mmswindow.cpp

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/***************************************************************************
 *   Copyright (C) 2005-2007 Stefan Schwarzer, Jens Schneider,             *
 *                           Matthias Hardt, Guido Madaus                  *
 *                                                                         *
 *   Copyright (C) 2007-2008 BerLinux Solutions GbR                        *
 *                           Stefan Schwarzer & Guido Madaus               *
 *                                                                         *
 *   Copyright (C) 2009-2013 BerLinux Solutions GmbH                       *
 *                                                                         *
 *   Authors:                                                              *
 *      Stefan Schwarzer   <stefan.schwarzer@diskohq.org>,                 *
 *      Matthias Hardt     <matthias.hardt@diskohq.org>,                   *
 *      Jens Schneider     <jens.schneider@diskohq.org>,                   *
 *      Guido Madaus       <guido.madaus@diskohq.org>,                     *
 *      Patrick Helterhoff <patrick.helterhoff@diskohq.org>,               *
 *      René Bählkow       <rene.baehlkow@diskohq.org>                     *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License version 2.1 as published by the Free Software Foundation.     *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
 **************************************************************************/

#include "mmsgui/mmswindow.h"
#include "mmsgui/mmschildwindow.h"
#include "mmsgui/mmswidgets.h"
#include "mmsgui/mmsborder.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>

//#define DEBUG_LOCK_OUTPUT
#ifdef DEBUG_LOCK_OUTPUT
#include <sys/syscall.h>
#define PRINT_LOCK(msg...) printf("%s %s - %d (%lu)\n", ((string)(msg)).c_str(),__FUNCTION__,__LINE__,(pid_t) syscall (SYS_gettid))
#else
#define PRINT_LOCK(msg...)
#endif


#include "mmscore/mmsinit.h"


/* static variables */
IMMSWindowManager   *MMSWindow::windowmanager = NULL;

MMSImageManager     *MMSWindow::im1 = NULL;
MMSFBLayer          *MMSWindow::im1_layer = NULL;
MMSImageManager     *MMSWindow::im2 = NULL;
MMSFBLayer          *MMSWindow::im2_layer = NULL;
MMSFontManager      *MMSWindow::fm = NULL;

MMSFBWindow *MMSWindow::fullscreen_root_window          = NULL;
int         MMSWindow::fullscreen_root_window_use_count = 0;
MMSFBWindow *MMSWindow::fullscreen_main_window          = NULL;
int         MMSWindow::fullscreen_main_window_use_count = 0;

// helper macros for horizontal stretchmode
#define MMSFBWINDOW_CALC_STRETCH_W(w)               ((w->stretchLeft-25600)+(w->stretchRight-25600)+25600)
#define MMSFBWINDOW_CALC_STRETCH_LEFT(x,w)          ((w->stretchLeft!=25600)?((((x)*w->stretchLeft*100+12800)/2560000)&~0x01):(x))
#define MMSFBWINDOW_CALC_STRETCH_WIDTH(x,w)         ((MMSFBWINDOW_CALC_STRETCH_W(w)!=25600)?((((x)*MMSFBWINDOW_CALC_STRETCH_W(w)*100+12800)/2560000)&~0x01):(x))
#define MMSFBWINDOW_CALC_STRETCH_WIDTH_REV(x,w)     ((MMSFBWINDOW_CALC_STRETCH_W(w)!=25600)?((((x)*25600+12800)/MMSFBWINDOW_CALC_STRETCH_W(w))&~0x01):(x))

// helper macros for vertical stretchmode
#define MMSFBWINDOW_CALC_STRETCH_H(w)               ((w->stretchUp-25600)+(w->stretchDown-25600)+25600)
#define MMSFBWINDOW_CALC_STRETCH_UP(x,w)            ((w->stretchUp!=25600)?((((x)*w->stretchUp*100+12800)/2560000)&~0x01):(x))
#define MMSFBWINDOW_CALC_STRETCH_HEIGHT(x,w)        ((MMSFBWINDOW_CALC_STRETCH_H(w)!=25600)?((((x)*MMSFBWINDOW_CALC_STRETCH_H(w)*100+12800)/2560000)&~0x01):(x))
#define MMSFBWINDOW_CALC_STRETCH_HEIGHT_REV(x,w)    ((MMSFBWINDOW_CALC_STRETCH_H(w)!=25600)?((((x)*25600+12800)/MMSFBWINDOW_CALC_STRETCH_H(w))&~0x01):(x))


#define MMSWINDOW_ANIM_MAX_OFFSET   30

MMSWindow::MMSWindow() {

    this->TID = 0;
    this->Lock_cnt = 0;

    this->baseWindowClass = NULL;
    this->windowClass = NULL;
    this->initialized = false;
    this->precalcnav = false;
    this->parent = NULL;
    this->toplevel_parent = NULL;
//this->im = NULL;
//    this->fm = NULL;
    this->window = NULL;
    this->layer = NULL;
    this->surface = NULL;
    this->flags = MMSW_NONE;
    this->bgimage = NULL;
    this->bgimage_from_external = false;
    for (int i=0;i<MMSBORDER_IMAGE_NUM_SIZE;i++)
        this->borderimages[i] = NULL;
    bordergeomset = false;

    this->draw_setgeom = true;

    this->dxpix = 0;
    this->dypix = 0;
    this->geom.x = 0;
    this->geom.y = 0;
    this->geom.w = 0;
    this->geom.h = 0;

    this->focusedChildWin = 0;

    this->upArrowWidget    = NULL;
    this->downArrowWidget  = NULL;
    this->leftArrowWidget  = NULL;
    this->rightArrowWidget = NULL;

    this->initialArrowsDrawn = false;

    // init stretch mode, per default the windows will not be stretched by the window manager
    this->stretchmode = false;
    this->stretchLeft = 0;
    this->stretchUp = 0;
    this->stretchRight = 0;
    this->stretchDown = 0;

    this->always_on_top_index = 0;

    this->need_redraw = false;

    this->zbaselevel = 0;


    // initialize the callbacks
    onBeforeShow        = new sigc::signal<bool, MMSWindow*>::accumulated<bool_accumulator>;
    onAfterShow         = new sigc::signal<void, MMSWindow*, bool>;
    onBeforeHide        = new sigc::signal<bool, MMSWindow*, bool>::accumulated<bool_accumulator>;
    onHide              = new sigc::signal<void, MMSWindow*, bool>;
    onHandleInput       = new sigc::signal<bool, MMSWindow*, MMSInputEvent*>::accumulated<neg_bool_accumulator>;
    onBeforeHandleInput = new sigc::signal<bool, MMSWindow*, MMSInputEvent*>::accumulated<neg_bool_accumulator>;
    onDraw              = new sigc::signal<bool, MMSFBSurface*, bool>::accumulated<neg_bool_accumulator>;

    // initialize the animation callbacks
    this->onBeforeAnimation_connection  = this->pulser.onBeforeAnimation.connect(sigc::mem_fun(this, &MMSWindow::onBeforeAnimation));
    this->onAnimation_connection        = this->pulser.onAnimation.connect(sigc::mem_fun(this, &MMSWindow::onAnimation));
    this->onAfterAnimation_connection   = this->pulser.onAfterAnimation.connect(sigc::mem_fun(this, &MMSWindow::onAfterAnimation));
}

MMSWindow::~MMSWindow() {
    // wait until show/hide actions are finished
    PRINT_LOCK("mmsfb unlock");
    bool rc = mmsfb->unlock();

    while(this->action->getAction() != MMSWACTION_NONE)
        msleep(100);

    if(rc)
        mmsfb->lock();

    // hide the window if shown
    instantHide();

    // delete the callbacks
    if (onBeforeShow) delete onBeforeShow;
    if (onAfterShow) delete onAfterShow;
    if (onBeforeHide) delete onBeforeHide;
    if (onHide) delete onHide;
    if (onHandleInput) delete onHandleInput;
    if (onBeforeHandleInput) delete onBeforeHandleInput;
    if (onDraw) delete onDraw;

    // disconnect callbacks from pulser
    this->onBeforeAnimation_connection.disconnect();
    this->onAnimation_connection.disconnect();
    this->onAfterAnimation_connection.disconnect();

    // delete images, ...
    release();

    if (this->type != MMSWINDOWTYPE_CHILDWINDOW) {
        // remove normal window
        if (this->windowmanager)
            this->windowmanager->removeWindow(this);
    }
    else {
        // remove child window from parent
        if (this->parent)
            this->parent->removeChildWindow(this);
    }

    // delete children
    // i have to delete only the first widget because all others are children from it and will be implicitly deleted
    if (children.size()>0)
        delete children.at(0);

    // delete childwins
    for (unsigned int i = 0; i < childwins.size(); i++)
        delete childwins.at(i).window;

    // delete the rest :)
    delete this->action;
//delete this->im;
//delete this->fm;

    if (!((this->flags & MMSW_VIDEO)&&(!(this->flags & MMSW_USEGRAPHICSLAYER)))) {
        // surface is NOT the video layer surface
        // so delete the window/surface memory
        if (this->window) {
            // delete the mmsfbwindow/surface
            bool os;
            getOwnSurface(os);
            if (os) {
                // own surface, so delete complete window
                delete this->window;
            }
            else {
                // delete sub-surface and decrease use counter
                if (this->surface)
                    delete this->surface;
                if (this->type == MMSWINDOWTYPE_ROOTWINDOW) {
                    if (this->fullscreen_root_window_use_count > 0)
                        this->fullscreen_root_window_use_count--;
                    if (this->fullscreen_root_window_use_count == 0)
                        if (this->fullscreen_root_window) {
                            // delete the fullscreen window for root window type because not used anymore
                            delete this->fullscreen_root_window;
                            this->fullscreen_root_window = NULL;
                        }
                }
                if (this->type == MMSWINDOWTYPE_MAINWINDOW) {
                    if (this->fullscreen_main_window_use_count > 0)
                        this->fullscreen_main_window_use_count--;
                    if (this->fullscreen_main_window_use_count == 0)
                        if (this->fullscreen_main_window) {
                            // delete the fullscreen window for main window type because not used anymore
                            delete this->fullscreen_main_window;
                            this->fullscreen_main_window = NULL;
                        }
                }
            }
        }
        else {
            // delete surface (e.g. child window surface)
            if (this->surface)
                delete this->surface;
        }
    }
}

MMSWINDOWTYPE MMSWindow::getType() {
    return this->type;
}

bool MMSWindow::create(string dx, string dy, string w, string h, MMSALIGNMENT alignment, MMSWINDOW_FLAGS flags,
                       bool *own_surface, bool *backbuffer) {
    /* save flags */
    this->flags = flags;

    /* set theme values */
    if (dx != "")
        setDx(dx, false, false);
    if (dy != "")
        setDy(dy, false, false);
    if (w != "")
        setWidth(w, false, false);
    if (h != "")
        setHeight(h, false, false);
    if (alignment != MMSALIGNMENT_NOTSET)
        setAlignment(alignment, false, false);
    if (own_surface)
        setOwnSurface(*own_surface);
    if (backbuffer)
        setBackBuffer(*backbuffer);

    this->action = new MMSWindowAction(this);
    this->firstfocusset = false;
    this->focusedwidget=NULL;

    this->navigateUpWindow    = NULL;
    this->navigateDownWindow  = NULL;
    this->navigateLeftWindow  = NULL;
    this->navigateRightWindow = NULL;

    this->buttonpress_widget = NULL;
    this->buttonpress_childwin = NULL;

    if (!this->parent) {
        /* normal parent window, check the flags and get the right layer */
        if ((mmsfbmanager.getLayerCount()<2)&&(this->flags & MMSW_VIDEO)) {
            DEBUGMSG("MMSGUI", "use video window on graphics layer");
            this->flags = (MMSWINDOW_FLAGS)(this->flags | MMSW_USEGRAPHICSLAYER);
        }

        if ((this->flags & MMSW_VIDEO)&&(!(this->flags & MMSW_USEGRAPHICSLAYER))) {
            DEBUGMSG("MMSGUI", "get the video layer");
            this->layer = mmsfbmanager.getVideoLayer();
        } else {
            DEBUGMSG("MMSGUI", "get the grapics layer");
            this->layer = mmsfbmanager.getGraphicsLayer();
        }
    }
    else {
        /* child window, use the flags and the layer from my parent */
        DEBUGMSG("MMSGUI", "use layer from parent window");
        this->flags = this->parent->flags;
        this->layer = this->parent->layer;

        // searching the right toplevel parent
        this->toplevel_parent = this->getParent(true);
    }

    DEBUGMSG("MMSGUI", "got flags: ");
    if (this->flags) {
        if (this->flags & MMSW_VIDEO)
            DEBUGMSG("MMSGUI", " MMSW_VIDEO");
        if(this->flags & MMSW_USEGRAPHICSLAYER)
            DEBUGMSG("MMSGUI", " MMSW_USEGRAPHICSLAYER");
    }
    else
        DEBUGMSG("MMSGUI", " MMSW_NONE");

    // create static image manager
    if (!this->im1_layer) {
        this->im1 = new MMSImageManager(this->layer);
        this->im1_layer = this->layer;
        this->im = this->im1;
    }
    else {
        if (this->im1_layer == this->layer) {
            this->im = this->im1;
        }
        else {
            if (this->im2_layer == this->layer) {
                this->im = this->im2;
            }
            else {
                this->im2 = new MMSImageManager(this->layer);
                this->im2_layer = this->layer;
                this->im = this->im2;
            }
        }
    }

    // create static font manager
    if (!this->fm)
        this->fm = new MMSFontManager();

    // set some attributes
    this->shown=false;
    this->willshow=false;
    this->willhide=false;

    buffered_shown = false;

    // set zbaselevel dependent on window type
    switch (getType()) {
    case MMSWINDOWTYPE_POPUPWINDOW:
        this->zbaselevel = 100;
        break;
    case MMSWINDOWTYPE_MAINWINDOW:
        this->zbaselevel = 200;
        break;
    case MMSWINDOWTYPE_ROOTWINDOW:
        this->zbaselevel = 300;
        break;
    default:
        this->zbaselevel = 0;
        break;
    }

    // resize/create the window
    if (this->windowmanager)
        resize();

    bool initial_load = false;
    getInitialLoad(initial_load);
    if (initial_load) {
        // init window (e.g. load images, fonts, ...)
        init();
    }

    return true;
}

bool MMSWindow::create(string w, string h, MMSALIGNMENT alignment, MMSWINDOW_FLAGS flags, bool *own_surface,
                       bool *backbuffer) {
    return create("", "", w, h, alignment, flags, own_surface, backbuffer);
}



bool MMSWindow::resize(bool refresh) {
    int wdesc_posx, wdesc_posy, wdesc_width, wdesc_height;
    string dx, dy, width, height;


    DEBUGMSG("MMSGUI", "resize... flags: " + iToStr(this->flags));

    if (this->layer == NULL) {
        DEBUGMSG("MMSGUI", "have no layer... returning");
        return false;
    }

    if (!this->parent) {
        /* normal parent window */

        /* check if we have a video window and should use the video layer */
        if ((this->flags & MMSW_VIDEO)&&(!(this->flags & MMSW_USEGRAPHICSLAYER))) {
            if (!this->surface) {
                DEBUGMSG("MMSGUI", "have a video window, use the layer surface");
                this->layer->getSurface(&this->surface);
                DEBUGMSG("MMSGUI", "after layer->getSurface() (surface = 0x%x)", this->surface);
                if (this->windowmanager)
                    this->windowmanager->addWindow(this);

                this->geom.x = 0;
                this->geom.y = 0;
                this->layer->getResolution(&this->geom.w, &this->geom.h);
                this->innerGeom = this->geom;
                DEBUGMSG("MMSGUI", "resolution: %d x %d", this->geom.w, this->geom.h);
            }
            else
                DEBUGMSG("MMSGUI", "cannot resize the layer surface");

            return true;
        }

        if (!this->windowmanager) {
            DEBUGMSG("MMSGUI", "have no windowmanager... returning");
            return false;
        }

        /* get the screen width and height */
        this->layer->getResolution(&this->vrect.w, &this->vrect.h);
        DEBUGMSG("MMSGUI", "got screen %dx%d", this->vrect.w, this->vrect.h);

        if (this->flags & MMSW_VIDEO) {
            /* for video windows use full screen */
            this->vrect.x = 0;
            this->vrect.y = 0;
        }
        else
            /* other windows uses visible rectangle settings from windowmanager */
            this->vrect = this->windowmanager->getVRect();

        DEBUGMSG("MMSGUI", "use screen area %d, %d, %d, %d", this->vrect.x, this->vrect.x, this->vrect.w, this->vrect.h);
    }
    else {
        /* child window */

        /* get the parent width and height */
        this->vrect.x = (this->parent->geom.w - this->parent->innerGeom.w) / 2;
        this->vrect.y = (this->parent->geom.h - this->parent->innerGeom.h) / 2;
        this->vrect.w = this->parent->innerGeom.w;
        this->vrect.h = this->parent->innerGeom.h;
//        logger.writeLog("got inner size from parent " + iToStr(vrect.w) + "x" + iToStr(vrect.h));
    }

    /* calculate the window position */
    /* first try with xpos */
    if (!getDx(dx)) dx = "";
    if (getPixelFromSizeHint(&wdesc_posx, dx, vrect.w, 0) == false) {
        if (getPixelFromSizeHint(&wdesc_posx, dx, 10000, 0) == false) {
            DEBUGMSG("MMSGUI", "window dx %s is wrong, using 0px", dx.c_str());
            myWindowClass.setDx("0px");
            wdesc_posx = 0;
        }
    }
    /* ypos */
    if (!getDy(dy)) dy = "";
    if (getPixelFromSizeHint(&wdesc_posy, dy, vrect.h, wdesc_posx) == false) {
        if (getPixelFromSizeHint(&wdesc_posy, dy, 10000, wdesc_posx) == false) {
            DEBUGMSG("MMSGUI", "window dy %s is wrong, using 0px", dy.c_str());
            myWindowClass.setDy("0px");
            wdesc_posy = 0;
        }
    }
    /* second try with xpos (because of "<factor>$") */
    if (!getDx(dx)) dx = "";
    if (getPixelFromSizeHint(&wdesc_posx, dx, vrect.w, wdesc_posy) == false) {
        if (getPixelFromSizeHint(&wdesc_posx, dx, 10000, wdesc_posy) == false) {
            DEBUGMSG("MMSGUI", "window dx %s is wrong, using 0px", dx.c_str());
            myWindowClass.setDx("0px");
            wdesc_posx = 0;
        }
    }

    /* save the real dx / dy */
    this->dxpix = wdesc_posx;
    this->dypix = wdesc_posy;

    DEBUGMSG("MMSGUI", "dx: %d, dy: %d", this->dxpix, this->dypix);

    /* calculate the window size */
    if (!getWidth(width)) width = "";
    if (getPixelFromSizeHint(&wdesc_width, width, vrect.w, 0) == false) {
        if (getPixelFromSizeHint(&wdesc_width, width, 10000, 0) == false) {
            DEBUGMSG("MMSGUI", "window width %s is wrong, using %d px", width.c_str(), vrect.w);
            myWindowClass.setWidth(iToStr(vrect.w) + "px");
            wdesc_width = vrect.w;
        }
    }
    if (!getHeight(height)) height = "";
    if (getPixelFromSizeHint(&wdesc_height, height, vrect.h, 0) == false) {
        if (getPixelFromSizeHint(&wdesc_height, height, 10000, 0) == false) {
            DEBUGMSG("MMSGUI", "window height %s is wrong, using %d px", height.c_str(), vrect.h);
            myWindowClass.setHeight(iToStr(vrect.h) + "px");
            wdesc_height = vrect.h;
        }
    }

    DEBUGMSG("MMSGUI", "window resolution: %d x %d", wdesc_width, wdesc_height);

    if ((wdesc_width == 0)&&(wdesc_height == 0)) {
        /* bad values */
        DEBUGMSG("MMSGUI", "window width " + width + " is wrong, using " + iToStr(vrect.w) + "px");
        myWindowClass.setWidth(iToStr(vrect.w) + "px");
        wdesc_width = vrect.w;
        DEBUGMSG("MMSGUI", "window height " + height + " is wrong, using " + iToStr(vrect.h) + "px");
        myWindowClass.setHeight(iToStr(vrect.h) + "px");
        wdesc_height = vrect.h;
    }
    else {
        if (wdesc_width == 0) {
            /* it seems that width should be a factor of height */
            getPixelFromSizeHint(&wdesc_width, width, vrect.w, wdesc_height);
        }
        else {
            /* it seems that height should be a factor of width */
            getPixelFromSizeHint(&wdesc_height, height, vrect.h, wdesc_width);
        }
    }

    /* adjust a little bit */
    unsigned int margin;
    if (!getMargin(margin))
        margin = 0;
    wdesc_posx+= vrect.x;
    wdesc_posy+= vrect.y;
    wdesc_width-= margin*2;
    wdesc_height-= margin*2;

    /* work with alignment */
    MMSALIGNMENT alignment;
    if (!getAlignment(alignment)) alignment = MMSALIGNMENT_CENTER;
    switch (alignment) {
        case MMSALIGNMENT_CENTER:
            wdesc_posx+= (vrect.w - wdesc_width) / 2;
            wdesc_posy+= (vrect.h - wdesc_height) / 2;
            break;
        case MMSALIGNMENT_LEFT:
            wdesc_posy+= (vrect.h - wdesc_height) / 2;
            break;
        case MMSALIGNMENT_RIGHT:
            wdesc_posx+= (vrect.w - wdesc_width);
            wdesc_posy+= (vrect.h - wdesc_height) / 2;
            break;
        case MMSALIGNMENT_TOP_CENTER:
            wdesc_posx+= (vrect.w - wdesc_width) / 2;
            break;
        case MMSALIGNMENT_TOP_LEFT:
            break;
        case MMSALIGNMENT_TOP_RIGHT:
            wdesc_posx+= (vrect.w - wdesc_width);
            break;
        case MMSALIGNMENT_BOTTOM_CENTER:
            wdesc_posx+= (vrect.w - wdesc_width) / 2;
            wdesc_posy+= (vrect.h - wdesc_height);
            break;
        case MMSALIGNMENT_BOTTOM_LEFT:
            wdesc_posy+= (vrect.h - wdesc_height);
            break;
        case MMSALIGNMENT_BOTTOM_RIGHT:
            wdesc_posx+= (vrect.w - wdesc_width);
            wdesc_posy+= (vrect.h - wdesc_height);
            break;
        default:
            break;
    }

    // use even pos/size because of pixelformats like YV12
    wdesc_posx   &= 0xfffffffe;
    wdesc_posy   &= 0xfffffffe;
    wdesc_width  &= 0xfffffffe;
    wdesc_height &= 0xfffffffe;

    int oldx = this->geom.x;
    int oldy = this->geom.y;
    this->geom.x = wdesc_posx;
    this->geom.y = wdesc_posy;
    int oldw = this->geom.w;
    int oldh = this->geom.h;
    this->geom.w = wdesc_width;
    this->geom.h = wdesc_height;
    unsigned int borderMargin;
    if (!getBorderMargin(borderMargin))
        borderMargin = 0;
    unsigned int borderThickness;
    if (!getBorderThickness(borderThickness))
        borderThickness = 0;
    unsigned int dz = borderMargin + borderThickness;
    innerGeom.x = dz;
    innerGeom.y = dz;
    innerGeom.w = this->geom.w - 2*dz;
    innerGeom.h = this->geom.h - 2*dz;


    if (!this->parent) {
        // normal parent window
        if (!this->window) {
            // create window

            // own surface?
            bool os;
            getOwnSurface(os);

            if (!(this->flags & MMSW_VIDEO)) {
                // no video window, use alpha
                if ((os) || ((this->type == MMSWINDOWTYPE_ROOTWINDOW) && (!this->fullscreen_root_window))
                         || ((this->type == MMSWINDOWTYPE_MAINWINDOW) && (!this->fullscreen_main_window))) {

                    if ((!os) && ((this->type == MMSWINDOWTYPE_ROOTWINDOW) || (this->type == MMSWINDOWTYPE_MAINWINDOW))) {
                        // create full screen window
                        wdesc_posx = 0;
                        wdesc_posy = 0;
                        this->layer->getResolution(&wdesc_width, &wdesc_height);
                    }

                    // window should have own surface, backbuffer requested?
                    bool backbuffer = false;
                    getBackBuffer(backbuffer);
                    if (backbuffer) {
                        DEBUGMSG("MMSGUI", "creating window (" + iToStr(wdesc_posx) + ","
                                                            + iToStr(wdesc_posy) + ","
                                                            + iToStr(wdesc_width) + ","
                                                            + iToStr(wdesc_height)
                                                            + ") with alphachannel and backbuffer");
                        this->layer->createWindow(&(this->window),
                                                  wdesc_posx, wdesc_posy, wdesc_width, wdesc_height,
                                                  MMSFB_PF_NONE, true, 1);
                    }
                    else {
                        DEBUGMSG("MMSGUI", "creating window (" + iToStr(wdesc_posx) + ","
                                                            + iToStr(wdesc_posy) + ","
                                                            + iToStr(wdesc_width) + ","
                                                            + iToStr(wdesc_height)
                                                            + ") with alphachannel, no backbuffer");
                        this->layer->createWindow(&(this->window),
                                                  wdesc_posx, wdesc_posy, wdesc_width, wdesc_height,
                                                  MMSFB_PF_NONE, true, 0);
                    }

                    DEBUGMSG("MMSGUI", "window created (0x%x)", this->window);

                    // window should not be visible at this time
                    this->window->setOpacity(0);
                }

                if (!os) {
                    if (this->type == MMSWINDOWTYPE_ROOTWINDOW) {
                        if (!this->fullscreen_root_window)
                            this->fullscreen_root_window = this->window;
                        else
                            this->window = this->fullscreen_root_window;
                        this->fullscreen_root_window_use_count++;
                    }
                    else
                    if (this->type == MMSWINDOWTYPE_MAINWINDOW) {
                        if (!this->fullscreen_main_window)
                            this->fullscreen_main_window = this->window;
                        else
                            this->window = this->fullscreen_main_window;
                        this->fullscreen_main_window_use_count++;
                    }
                }
            }
            else {
                // video window, do not use alpha
                bool backbuffer = false;
                getBackBuffer(backbuffer);
                if (backbuffer) {
                    DEBUGMSG("MMSGUI", "creating video window (" + iToStr(wdesc_posx) + ","
                                                              + iToStr(wdesc_posy) + ","
                                                              + iToStr(wdesc_width) + ","
                                                              + iToStr(wdesc_height)
                                                              + ") with backbuffer, no alphachannel");
                    this->layer->createWindow(&(this->window),
                                              wdesc_posx, wdesc_posy, wdesc_width, wdesc_height,
                                              MMSFB_PF_NONE, false, 1);
                }
                else {
                    DEBUGMSG("MMSGUI", "creating video window (" + iToStr(wdesc_posx) + ","
                                                              + iToStr(wdesc_posy) + ","
                                                              + iToStr(wdesc_width) + ","
                                                              + iToStr(wdesc_height)
                                                              + "), no alphachannel, no backbuffer");
                    this->layer->createWindow(&(this->window),
                                              wdesc_posx, wdesc_posy, wdesc_width, wdesc_height,
                                              MMSFB_PF_NONE, false, 0);
                }

                DEBUGMSG("MMSGUI", "video window created (0x%x)", this->window);

                // window should not be visible at this time
                this->window->setOpacity(0);

                // video windows should have own surfaces
                setOwnSurface(true);
            }

            // get window surface
            this->window->getSurface(&(this->surface));

            if ((this->window == this->fullscreen_root_window) || (this->window == this->fullscreen_main_window)) {
                // get subsurface
                DEBUGMSG("MMSGUI", "window has no own surface, get subsurface of shared full screen window");
                this->surface = this->surface->getSubSurface(&this->geom);
            }


            // normal window
            DEBUGMSG("MMSGUI", "setting blitting flags for window");
            this->surface->lock();
            this->surface->setBlittingFlags(MMSFB_BLIT_BLEND_ALPHACHANNEL);
            this->surface->unlock();

            /* set the window to bottom */
//            this->window->lowerToBottom();

            // add window to managers list
            if (this->windowmanager) {
                DEBUGMSG("MMSGUI", "adding window to window manager");
                this->windowmanager->addWindow(this);
            }
        }
        else {
            // change the window (new size/pos)
            bool os;
            getOwnSurface(os);
            if (os) {
                // own surface
                int px,py;
                this->window->getPosition(&px, &py);
                if ((this->geom.x != px)||(this->geom.y != py)) {
                    DEBUGMSG("MMSGUI", "repositioning window (" + iToStr(this->geom.x) + "," + iToStr(this->geom.y) + ")");
                    this->window->moveTo(this->geom.x, this->geom.y);
                }
                int w,h;
                this->window->getSize(&w, &h);
                if ((this->geom.w != w)||(this->geom.h != h)) {
                    DEBUGMSG("MMSGUI", "resizing window (" + iToStr(this->geom.w) + "x" + iToStr(this->geom.h) + ")");
                    this->window->resize(this->geom.w, this->geom.h);
                }
            }
            else {
                // working with subsurface
                DEBUGMSG("MMSGUI", "re-positioning/-sizing window subsurface (" + iToStr(this->geom.x) + "," + iToStr(this->geom.y) + ","
                                                                        + iToStr(this->geom.w) + "," + iToStr(this->geom.h) + ")");
                this->surface->lock();
                this->surface->setSubSurface(&this->geom);
                this->surface->unlock();
            }
        }
    }
    else {
        /* child window */
        if (!this->surface) {
            /* create surface for child window */
            /* get layers pixelformat */
            MMSFBSurfacePixelFormat pixelformat;
            this->layer->getPixelFormat(&pixelformat);

            bool os;
            getOwnSurface(os);
            if (os) {
                bool backbuffer = false;
                getBackBuffer(backbuffer);
                if (backbuffer) {
                    DEBUGMSG("MMSGUI", "creating surface for child window (" + iToStr(wdesc_posx) + ","
                                                                          + iToStr(wdesc_posy) + ","
                                                                          + iToStr(wdesc_width) + ","
                                                                          + iToStr(wdesc_height)
                                                                          + ") with pixelformat " + getMMSFBPixelFormatString(pixelformat)
                                                                          + " (alphachannel and backbuffer)");

                    this->layer->createSurface(&(this->surface),
                                              wdesc_width, wdesc_height, MMSFB_PF_NONE, 1);
                }
                else {
                    DEBUGMSG("MMSGUI", "creating surface for child window (" + iToStr(wdesc_posx) + ","
                                                                          + iToStr(wdesc_posy) + ","
                                                                          + iToStr(wdesc_width) + ","
                                                                          + iToStr(wdesc_height)
                                                                          + ") with pixelformat " + getMMSFBPixelFormatString(pixelformat)
                                                                          + " (alphachannel, no backbuffer)");

                    this->layer->createSurface(&(this->surface),
                                              wdesc_width, wdesc_height, MMSFB_PF_NONE, 0);
                }
            }
            else {
                DEBUGMSG("MMSGUI", "creating sub surface for child window (" + iToStr(wdesc_posx) + ","
                                                                          + iToStr(wdesc_posy) + ","
                                                                          + iToStr(wdesc_width) + ","
                                                                          + iToStr(wdesc_height)
                                                                          + ") with pixelformat " + getMMSFBPixelFormatString(pixelformat)
                                                                          + " (use alpha)");

                MMSFBRectangle rect;

                rect.x = wdesc_posx;
                rect.y = wdesc_posy;
                rect.w = wdesc_width;
                rect.h = wdesc_height;
                this->surface = this->parent->surface->getSubSurface(&rect);
            }

            this->surface->lock();
            this->surface->setBlittingFlags(MMSFB_BLIT_BLEND_ALPHACHANNEL);
            this->surface->unlock();

            /* set the window to bottom */
//            this->window->lowerToBottom();

            /* add window to parents childwins list */
//printf("%x->resize(), this->%x->addChildwindow(%x)\n", this, this->parent, this);
            this->parent->addChildWindow(this);
        }
        else {
            /* change the surface (new size/pos) */
            if   ((this->geom.x != oldx)||(this->geom.y != oldy)
                ||(this->geom.w != oldw)||(this->geom.h != oldh)) {
                DEBUGMSG("MMSGUI", "re-positioning/-sizing child window (" + iToStr(this->geom.x) + "," + iToStr(this->geom.y) + ","
                                                                        + iToStr(this->geom.w) + "," + iToStr(this->geom.h) + ")");
                this->parent->setChildWindowRegion(this, refresh);
            }
        }
    }

    DEBUGMSG("MMSGUI", "resizing done");

    return true;
}


void MMSWindow::lock() {
    // which window is to lock?
    MMSWindow *tolock = this;
    if (this->toplevel_parent)
        tolock = this->toplevel_parent;
    else
    if (this->parent)
        tolock = this->parent;

    if (tolock->surface)
        tolock->surface->lock();

/*    if (tolock->Lock.trylock() == 0) {
        // I have got the lock the first time
        tolock->TID = pthread_self();
        tolock->Lock_cnt = 1;
    }
    else {
        if ((tolock->TID == pthread_self())&&(tolock->Lock_cnt > 0)) {
            // I am the thread which has already locked this window
            tolock->Lock_cnt++;
        }
        else {
            // another thread has already locked this window, waiting for...
            tolock->Lock.lock();
            tolock->TID = pthread_self();
            tolock->Lock_cnt = 1;
        }
    }
    */

/*
    if (this->Lock.trylock() == 0) {
        // I have got the lock the first time
        this->TID = pthread_self();
        this->Lock_cnt = 1;
    }
    else {
        if ((this->TID == pthread_self())&&(this->Lock_cnt > 0)) {
            // I am the thread which has already locked this window
            this->Lock_cnt++;
        }
        else {
            // another thread has already locked this window, waiting for...
            this->Lock.lock();
            this->TID = pthread_self();
            this->Lock_cnt = 1;
        }
    }
    */
}

void MMSWindow::unlock() {
    // which window is to lock?
    MMSWindow *tolock = this;
    if (this->toplevel_parent)
        tolock = this->toplevel_parent;
    else
    if (this->parent)
        tolock = this->parent;

    if (tolock->surface)
        tolock->surface->unlock();

/*  if (tolock->TID != pthread_self())
        return;
    if(tolock->Lock_cnt==0)
        return;
    tolock->Lock_cnt--;
    if (tolock->Lock_cnt == 0)
        tolock->Lock.unlock();
*/

/*
    if (this->TID != pthread_self())
        return;
    if(this->Lock_cnt==0)
        return;
    this->Lock_cnt--;
    if (this->Lock_cnt == 0)
        this->Lock.unlock();
*/
}


string MMSWindow::getName() {
    return this->name;
}

void MMSWindow::setName(string name) {
    this->name = name;
}

MMSWindow* MMSWindow::findWindow(string name) {
    MMSWindow *window;

    if (name == "") {
        // empty name
        return NULL;
    }

    if (name == this->name) {
        // it's me
        return this;
    }

    // first, my own childwins
    for (unsigned int i = 0; i < childwins.size(); i++)
        if (childwins.at(i).window->getName() == name)
            return childwins.at(i).window;

    // second, call search method of my childwins
    for (unsigned int i = 0; i < childwins.size(); i++)
        if ((window = childwins.at(i).window->findWindow(name)))
            return window;

    return NULL;
}

MMSWindow* MMSWindow::getLastWindow() {
    if (this->childwins.size() > 0)
        return this->childwins.at(this->childwins.size()-1).window;
    return NULL;
}

bool MMSWindow::addChildWindow(MMSWindow *childwin) {
    if (childwin->getType()!=MMSWINDOWTYPE_CHILDWINDOW)
        return false;

    // per default childwins are not focused
    CHILDWINS cw;
    cw.window = childwin;
    cw.region.x1 = childwin->geom.x;
    cw.region.y1 = childwin->geom.y;
    cw.region.x2 = childwin->geom.x + childwin->geom.w - 1         ;//+20;
    cw.region.y2 = childwin->geom.y + childwin->geom.h - 1         ;//+20;
    cw.opacity = 0;
    cw.oldopacity = 0;
    cw.focusedWidget = 0;
    cw.special_blit = false;

    // insert child window into stack
    lock();
    bool aot = false;
    childwin->getAlwaysOnTop(aot);
    if (!aot) {
        // normal stack position, insert window before windows with "always on top" flag
        this->childwins.insert(this->childwins.begin() + this->always_on_top_index, cw);
        this->always_on_top_index++;
    }
    else {
        // window with "always on top" flag, add it to the end of list
        this->childwins.push_back(cw);
    }
    unlock();

    return true;
}



bool MMSWindow::removeChildWindow(MMSWindow *childwin) {
    if (childwin->getType()!=MMSWINDOWTYPE_CHILDWINDOW)
        return false;

    // remove child window from stack
    lock();
    for (unsigned int i = 0; i < this->childwins.size(); i++) {
        if (childwins.at(i).window == childwin) {
            // remove window from stack
            this->childwins.erase(this->childwins.begin()+i);
            bool aot = false;
            childwin->getAlwaysOnTop(aot);
            if (!aot) {
                // normal stack position, decrease the index for "always on top" windows
                this->always_on_top_index--;
            }

            int childwinsize = this->childwins.size()-1;
            if (((int)this->focusedChildWin > childwinsize) && (childwinsize >= 0))
                this->focusedChildWin = childwinsize;

            unlock();
            return true;
        }
    }
    unlock();

    return false;
}


bool MMSWindow::setChildWindowOpacity(MMSWindow *childwin, unsigned char opacity, bool refresh) {
    if (childwin->getType()!=MMSWINDOWTYPE_CHILDWINDOW)
        return false;

    // find child window and set the opacity
    lock();
    for (unsigned int i = 0; i < this->childwins.size(); i++) {
        if (this->childwins.at(i).window == childwin) {
            this->childwins.at(i).oldopacity = this->childwins.at(i).opacity;
            this->childwins.at(i).opacity = opacity;
            if (refresh) {
                PRINT_LOCK("call flipWindow");
                flipWindow(childwin, NULL, MMSFB_FLIP_NONE, false, true);
                PRINT_LOCK("end flipWindow");
            }
            unlock();
            return true;
        }
    }
    unlock();
    return false;
}

bool MMSWindow::setChildWindowRegion(MMSWindow *childwin, bool refresh) {

    if (childwin->getType()!=MMSWINDOWTYPE_CHILDWINDOW)
        return false;

    lock();
    for (unsigned int i = 0; i < this->childwins.size(); i++) {
        if (this->childwins.at(i).window == childwin) {
            // get old region
            MMSFBRegion *currregion = &this->childwins.at(i).region;
            MMSFBRegion oldregion = *currregion;

            if   ((oldregion.x1 != childwin->geom.x)
                ||(oldregion.y1 != childwin->geom.y)
                ||(oldregion.x2 - oldregion.x1 + 1 != childwin->geom.w)
                ||(oldregion.y2 - oldregion.y1 + 1 != childwin->geom.h)
                ||(childwin->stretchmode)) {

                // calc new pos
                currregion->x1 = childwin->geom.x;
                currregion->y1 = childwin->geom.y;
                currregion->x2 = childwin->geom.x + childwin->geom.w - 1;
                currregion->y2 = childwin->geom.y + childwin->geom.h - 1;

                if (childwin->stretchmode) {
                    currregion->x1 = childwin->geom.x - (MMSFBWINDOW_CALC_STRETCH_LEFT(childwin->geom.w, childwin) - childwin->geom.w);
                    currregion->y1 = childwin->geom.y - (MMSFBWINDOW_CALC_STRETCH_UP(childwin->geom.h, childwin) - childwin->geom.h);
                    currregion->x2 = currregion->x1 + MMSFBWINDOW_CALC_STRETCH_WIDTH(childwin->geom.w, childwin) - 1;
                    currregion->y2 = currregion->y1 + MMSFBWINDOW_CALC_STRETCH_HEIGHT(childwin->geom.h, childwin) - 1;
                }

                bool os;
                childwin->getOwnSurface(os);
                if (os) {
                    if   ((oldregion.x2 - oldregion.x1 + 1 != childwin->geom.w)
                        ||(oldregion.y2 - oldregion.y1 + 1 != childwin->geom.h)) {
                        // resize surface
                        childwin->surface->lock();
                        childwin->surface->resize(childwin->geom.w, childwin->geom.h);
                        childwin->surface->unlock();

                        // call resize recursive for new regions of my child windows
                        for (unsigned int j = 0; j < childwin->childwins.size(); j++) {
                            childwin->childwins.at(j).window->resize(false);
                        }
                    }
                }
                else {
                    // working with sub surface
                    childwin->surface->lock();
                    childwin->surface->setSubSurface(&(childwin->geom));
                    childwin->surface->unlock();

                    // call resize recursive for new regions of my child windows
                    for (unsigned int j = 0; j < childwin->childwins.size(); j++) {
                        childwin->childwins.at(j).window->resize(false);
                    }
                }

                // recursive calls should stop here
                if (!refresh) {
                    unlock();
                    return true;
                }

                // draw at new pos
                PRINT_LOCK("call flipWindow");
                flipWindow(childwin, NULL, MMSFB_FLIP_NONE, false, false);
                PRINT_LOCK("end flipWindow");

                // redraw the old rects
                if (oldregion.y1 < currregion->y1) {
                    // redraw above
                    MMSFBRegion region;
                    region = oldregion;
                    if (region.y2 >= currregion->y1)
                        region.y2 = currregion->y1 - 1;

                    region.x1-= currregion->x1;
                    region.x2-= currregion->x1;
                    region.y1-=currregion->y1;
                    region.y2-=currregion->y1;
                    PRINT_LOCK("call flipWindow");
                    flipWindow(childwin, &region, MMSFB_FLIP_NONE, false, false);
                    PRINT_LOCK("end flipWindow");
                }
                if (oldregion.y2 > currregion->y2) {
                    // redraw below
                    MMSFBRegion region;
                    region = oldregion;
                    if (region.y1 <= currregion->y2)
                        region.y1 = currregion->y2 + 1;

                    region.x1-= currregion->x1;
                    region.x2-= currregion->x1;
                    region.y1-=currregion->y1;
                    region.y2-=currregion->y1;
                    PRINT_LOCK("call flipWindow");
                    flipWindow(childwin, &region, MMSFB_FLIP_NONE, false, false);
                    PRINT_LOCK("end flipWindow");
                }
                if (oldregion.x1 < currregion->x1) {
                    // redraw left side
                    MMSFBRegion region;
                    region = oldregion;
                    if  ((region.y2 >= currregion->y1)
                       &&(region.y1 <= currregion->y2)) {
                        if (region.x2 >= currregion->x1)
                            region.x2 = currregion->x1 - 1;

                        region.y1 = 0;
                        region.y2 = currregion->y2 - currregion->y1;
                        region.x1-=currregion->x1;
                        region.x2-=currregion->x1;
                        PRINT_LOCK("call flipWindow");
                        flipWindow(childwin, &region, MMSFB_FLIP_NONE, false, false);
                        PRINT_LOCK("end flipWindow");
                    }
                }
                if (oldregion.x2 > currregion->x2) {
                    // redraw right side
                    MMSFBRegion region;
                    region = oldregion;
                    if  ((region.y2 >= currregion->y1)
                       &&(region.y1 <= currregion->y2)) {
                        if (region.x1 <= currregion->x2)
                            region.x1 = currregion->x2 + 1;

                        region.y1 = 0;
                        region.y2 = currregion->y2 - currregion->y1;
                        region.x1-=currregion->x1;
                        region.x2-=currregion->x1;
                        PRINT_LOCK("call flipWindow");
                        flipWindow(childwin, &region, MMSFB_FLIP_NONE, false, false);
                        PRINT_LOCK("end flipWindow");
                    }
                }
            }

            unlock();
            return true;
        }
    }

    unlock();
    return false;
}

bool MMSWindow::moveChildWindow(MMSWindow *childwin, int x, int y, bool refresh) {

    if (childwin->getType()!=MMSWINDOWTYPE_CHILDWINDOW)
        return false;

    childwin->geom.x = x;
    childwin->geom.y = y;

    return setChildWindowRegion(childwin, refresh);
}

void MMSWindow::drawChildWindows(MMSFBSurface *dst_surface, MMSFBRegion *region, int offsX, int offsY) {
    MMSFBRegion       pw_region;

    if (region == NULL) {
        // complete surface
        pw_region.x1 = 0;
        pw_region.y1 = 0;
        pw_region.x2 = this->geom.w - 1;
        pw_region.y2 = this->geom.h - 1;
    }
    else {
        // only a region
        pw_region = *region;
    }

//printf("   *MMSWindow::drawChildWindows() - %s, %d,%d,%d,%d\n", name.c_str(),pw_region.x1,pw_region.y1,pw_region.x2,pw_region.y2);

    // draw all affected child windows
    for (unsigned int i = 0; i < this->childwins.size(); i++) {
        CHILDWINS *cw = &(this->childwins.at(i));
        MMSFBRegion *myregion = &(cw->region);

        // window pointer set?
        if (!cw->window)
            continue;

        // if the window has no opacity then continue
        if (!cw->opacity)
            continue;

        if (!((myregion->x2 < pw_region.x1)||(myregion->y2 < pw_region.y1)
            ||(myregion->x1 > pw_region.x2)||(myregion->y1 > pw_region.y2))) {

            // the window is affected
            // calc source and destination
            MMSFBRectangle src_rect;
            int dst_x = pw_region.x1;
            int dst_y = pw_region.y1;

            src_rect.x = pw_region.x1 - myregion->x1;
            if (src_rect.x < 0) {
                dst_x-= src_rect.x;
                src_rect.x = 0;
            }

            src_rect.y = pw_region.y1 - myregion->y1;
            if (src_rect.y < 0) {
                dst_y-= src_rect.y;
                src_rect.y = 0;
            }

            src_rect.w = myregion->x2 - myregion->x1 + 1 - src_rect.x;
            if (myregion->x2 > pw_region.x2)
                src_rect.w-= myregion->x2 - pw_region.x2;

            src_rect.h = myregion->y2 - myregion->y1 + 1 - src_rect.y;
            if (myregion->y2 > pw_region.y2)
                src_rect.h-= myregion->y2 - pw_region.y2;

            if (cw->window->stretchmode) {
                src_rect.x = MMSFBWINDOW_CALC_STRETCH_WIDTH_REV(src_rect.x, cw->window);
                src_rect.y = MMSFBWINDOW_CALC_STRETCH_HEIGHT_REV(src_rect.y, cw->window);
                src_rect.w = MMSFBWINDOW_CALC_STRETCH_WIDTH_REV(src_rect.w , cw->window);
                src_rect.h = MMSFBWINDOW_CALC_STRETCH_HEIGHT_REV(src_rect.h, cw->window);
            }

            // own surface?
            bool os = true;
            cw->window->getOwnSurface(os);

            if (os) {
                // own surface
                // for this we support the opacity attribute and the stretch feature

                // check if we have to do the "special blit"
                // "special blit" means that we have to call draw() for the window and it's childwindows
                // origin is the need_redraw flag which is set for example by targetLangChanged()
                bool special_blit = cw->window->need_redraw;

                if (!special_blit) {
                    if (cw->opacity < 255) {
                        // opacity calculation requested
                        // check if at least one child window with opacity > 0 does exists
                        for (unsigned int c = 0; c < cw->window->childwins.size(); c++) {
                            if (cw->window->childwins.at(c).opacity) {
                                // childwindow is shown
                                special_blit = true;
                                break;
                            }
                        }
                    }
                    else
                    if (cw->window->stretchmode) {
                        // should be stretched
                        // check if at least one child window with opacity > 0 does exists
                        for (unsigned int c = 0; c < cw->window->childwins.size(); c++) {
                            if (cw->window->childwins.at(c).opacity) {
                                // childwindow is shown
                                special_blit = true;
                                break;
                            }
                        }
                    }
                }

                if (!special_blit) {
                    // now we have to find childwindows with own_surface="false"
                    for (unsigned int c = 0; c < cw->window->childwins.size(); c++) {
                        if (cw->window->childwins.at(c).opacity) {
                            // childwindow is shown
                            bool os = true;
                            cw->window->childwins.at(c).window->getOwnSurface(os);
                            if (!os) {
                                // childwindow has no own surface
                                special_blit = true;
                                break;
                            }
                        }
                    }
                }

                if ((!special_blit) && (cw->special_blit)) {
                    // currently special blit is not requested
                    // but the blit beforehand has "destroy" the window surface
                    // so we have to redraw the window
                    // note: drawing proceeds on the surface of parent window
                    // note: draw() has to clear the window surface!
                    cw->window->draw(false, &src_rect, true);
                }
                cw->special_blit = special_blit;

                dst_surface->lock();
                cw->window->surface->lock();

                if (special_blit) {
                    // special mode
                    // we MUST draw (the background) to the surface of this window
                    // then we MUST draw the window stack if the child windows to the surface of this window
                    // afterwards we MUST blit/stretch the result to the dst_surface

                    // direct draw
                    // note: drawing proceeds on the surface of parent window
                    // note: draw() has to clear the window surface!
                    cw->window->draw(false, &src_rect, true);

                    // draw the children of this child, let child windows draw to my surface
                    MMSFBRegion reg;
                    reg.x1 = src_rect.x;
                    reg.y1 = src_rect.y;
                    reg.x2 = src_rect.x + src_rect.w - 1;
                    reg.y2 = src_rect.y + src_rect.h - 1;
                    if(cw->window) {
                        cw->window->drawChildWindows(cw->window->surface, &reg,
                                                     reg.x1, reg.y1);
                    }

                    if (cw->opacity < 255) {
                        // set the blitting flags and color
                        dst_surface->setBlittingFlags((MMSFBBlittingFlags) (MMSFB_BLIT_BLEND_ALPHACHANNEL|MMSFB_BLIT_BLEND_COLORALPHA));
                        dst_surface->setColor(0, 0, 0, cw->opacity);
                    }
                    else {
                        // set the blitting flags
                        dst_surface->setBlittingFlags((MMSFBBlittingFlags) MMSFB_BLIT_BLEND_ALPHACHANNEL);
                    }

                    // blit window front buffer to destination surface
                    if (!cw->window->stretchmode) {
                        // normal blit if stretch mode is off
//DO WE NEED THE OFFSET???
//                      dst_surface->blit(cw->window->surface, &src_rect, dst_x + offsX, dst_y + offsY);

                        dst_surface->blit(cw->window->surface, &src_rect, dst_x, dst_y);
                    }
                    else {
                        // stretch the window to the parent surface
//DO WE NEED THE OFFSET???
/*                      MMSFBRectangle dr = MMSFBRectangle(
                                                dst_x + offsX,
                                                dst_y + offsY,
                                                MMSFBWINDOW_CALC_STRETCH_WIDTH(src_rect.w, cw->window),
                                                MMSFBWINDOW_CALC_STRETCH_HEIGHT(src_rect.h, cw->window));*/
                        MMSFBRectangle dr = MMSFBRectangle(
                                                dst_x,
                                                dst_y,
                                                MMSFBWINDOW_CALC_STRETCH_WIDTH(src_rect.w, cw->window),
                                                MMSFBWINDOW_CALC_STRETCH_HEIGHT(src_rect.h, cw->window));
                        dst_surface->stretchBlit(cw->window->surface, &src_rect, &dr);
                    }
                }
                else {
                    // we can blit the surface of this window directly to the dst_surface
                    if (cw->opacity < 255) {
                        // set the blitting flags and color
                        dst_surface->setBlittingFlags((MMSFBBlittingFlags) (MMSFB_BLIT_BLEND_ALPHACHANNEL|MMSFB_BLIT_BLEND_COLORALPHA));
                        dst_surface->setColor(0, 0, 0, cw->opacity);
                    }
                    else {
                        // set the blitting flags
                        dst_surface->setBlittingFlags((MMSFBBlittingFlags) MMSFB_BLIT_BLEND_ALPHACHANNEL);
                    }

                    // blit window front buffer to destination surface
                    if (!cw->window->stretchmode) {
                        // normal blit if stretch mode is off
                        dst_surface->blit(cw->window->surface, &src_rect, dst_x + offsX, dst_y + offsY);
                    }
                    else {
                        // stretch the window to the parent surface
                        MMSFBRectangle dr = MMSFBRectangle(
                                                dst_x + offsX,
                                                dst_y + offsY,
                                                MMSFBWINDOW_CALC_STRETCH_WIDTH(src_rect.w, cw->window),
                                                MMSFBWINDOW_CALC_STRETCH_HEIGHT(src_rect.h, cw->window));
                        dst_surface->stretchBlit(cw->window->surface, &src_rect, &dr);
                    }

                    // draw the children of this child, let child windows draw to the surface of my parent
                    MMSFBRegion reg;
                    reg.x1 = src_rect.x;
                    reg.y1 = src_rect.y;
                    reg.x2 = src_rect.x + src_rect.w - 1;
                    reg.y2 = src_rect.y + src_rect.h - 1;
                    if(cw->window) {
                        cw->window->drawChildWindows(dst_surface, &reg,
                                                     dst_x + offsX - reg.x1, dst_y + offsY - reg.y1);
                    }
                }

                cw->window->surface->unlock();
                dst_surface->unlock();
            }
            else {
                // no own surface
                // for this we DO NOT support the stretch feature!!!
                if (cw->window->stretchmode) {
                    printf("DISKO: Cannot stretch the window '%s' which has no own surface!\n",
                            cw->window->name.c_str());
                }

                // direct draw
                // note: drawing proceeds on the surface of parent window
                cw->window->draw(false, &src_rect, false, cw->opacity);

                // draw the children of this child, let child windows draw to the surface of my parent
                MMSFBRegion reg;
                reg.x1 = src_rect.x;
                reg.y1 = src_rect.y;
                reg.x2 = src_rect.x + src_rect.w - 1;
                reg.y2 = src_rect.y + src_rect.h - 1;
                if(cw->window) {
                    cw->window->drawChildWindows(dst_surface, &reg,
                                                 dst_x + offsX - reg.x1, dst_y + offsY - reg.y1);
                }
            }
        }
    }
}



bool MMSWindow::flipWindow(MMSWindow *win, MMSFBRegion *region, MMSFBFlipFlags flags,
                           bool flipChildSurface, bool locked) {
    MMSFBSurface    *pw_surface;
    MMSFBRegion       pw_region;

    // stop parallel processing
    if (!locked)
//PUP        flipLock.lock();
        lock();

    if (!win) win = this;
    if (win->getType()!=MMSWINDOWTYPE_CHILDWINDOW) {
        // normal parent window
        pw_surface = win->surface;
        if (region == NULL) {
            // complete surface
            pw_region.x1 = 0;
            pw_region.y1 = 0;
            pw_region.x2 = win->geom.w - 1;
            pw_region.y2 = win->geom.h - 1;
        }
        else {
            // only a region
            pw_region = *region;
        }
    }
    else {
        // child window
        int z = -1;
        for (unsigned int i = 0; i < this->childwins.size(); i++) {
            if (this->childwins.at(i).window == win) {
                // child window found, flip it
                if (flipChildSurface) {
                    bool os;
                    win->getOwnSurface(os);
                    if (os) {
                        // the child window has an own surface which we have to flip
                        // if the child window has NO own surface, the window will be redrawed by the parent automatically
                        win->surface->lock();
                        PRINT_LOCK("call flip");
                        win->surface->flip(region);
                        PRINT_LOCK("end flip");
                        win->surface->unlock();
                    }
                }

                // return if parent window is not shown
                if ((win->parent->isShown()==false)&&(win->parent->willshow==false)) {
                    // unlock
                    if (!locked)
//PUP                        flipLock.unlock();
                        unlock();
                    return true;
                }

                // return if opacity is zero
                if ((this->childwins.at(i).opacity==0)&&(this->childwins.at(i).oldopacity==0)) {
                    // unlock
                    if (!locked)
//PUP                        flipLock.unlock();
                        unlock();
                    return true;
                }

                // return if the child window is out of the visible parent region
                if   ((win->geom.x >= win->parent->geom.w) || (win->geom.y >= win->parent->geom.h)
                    ||(win->geom.x + win->geom.w <= 0) || (win->geom.y + win->geom.h <= 0)) {
                    // unlock
                    if (!locked)
//PUP                        flipLock.unlock();
                        unlock();
                    return true;
                }

                this->childwins.at(i).oldopacity = this->childwins.at(i).opacity;

                // get parents surface and break loop
                pw_surface = win->parent->surface;
                z = i;
                break;
            }
        }

        // window found?
        if (z < 0) {
            // not found
            if (!locked)
//PUP                flipLock.unlock();
                unlock();

            return false;
        }

        // calculate the affected region on the parent surface
        MMSFBRegion *myregion = &(this->childwins.at(z).region);
        if (region == NULL) {
            // complete surface
            pw_region = *myregion;
        }
        else {
            // only a region
            pw_region.x1 = myregion->x1 + region->x1;
            pw_region.y1 = myregion->y1 + region->y1;
            pw_region.x2 = myregion->x1 + region->x2;
            pw_region.y2 = myregion->y1 + region->y2;
        }

        // redraw the region within parent window
        MMSFBRectangle rect;
        rect.x = pw_region.x1;
        rect.y = pw_region.y1;
        rect.w = pw_region.x2 - pw_region.x1 + 1;
        rect.h = pw_region.y2 - pw_region.y1 + 1;


        if (this->parent == NULL) {
            // i am the top level parent
            this->draw(true, &rect);
        } else {
            // i am also a child, call recursive to the top level parent
            PRINT_LOCK("call flipWindow");
            bool ret = this->parent->flipWindow(win->parent, &pw_region, flags, false, false);
            PRINT_LOCK("end flipWindow");

            // unlock
            if (!locked)
//PUP                flipLock.unlock();
                unlock();

            // stop here, because the drawing of child windows is initiated by the top level parent window
            return ret;
        }

    }

    // here we are a top level parent window
    // child windows are not allowed here!!!

    // lock
//PUP    pw_surface->lock();
//    lock();


    // draw all affected child windows
    drawChildWindows(pw_surface, &pw_region);

    // do the flip
    pw_surface->lock();
    pw_surface->flip(&pw_region);
    pw_surface->unlock();

    // unlock
//PUP    pw_surface->unlock();
//    unlock();

    // unlock
    if (!locked)
//PUP        flipLock.unlock();
        unlock();

    return false;
}


void MMSWindow::removeFocusFromChildWindow() {
    /* check something */
    if (!this->parent) return;
    if (this->parent->focusedChildWin >= this->parent->childwins.size()) return;
    if (this->parent->childwins.at(this->parent->focusedChildWin).window != this) return;

    // searching for other childwin to get the focus
    // first we are searching for focusable widgets
    // if nothing found, we use a shown window and set the input focus to it
    for (int retry = 0; retry <= 1; retry++) {
        for (int i = (int)this->parent->childwins.size()-1; i >= 0; i--) {
            if (i == (int)this->parent->focusedChildWin) continue;
            MMSWindow *w = this->parent->childwins.at(i).window;
            if (!w->isShown()) continue;

            if (!retry) {
                // first time: check if there are focusable widgets
                if (!w->getNumberOfFocusableWidgets())
                    if (!w->getNumberOfFocusableChildWins())
                        continue;
            }

            // okay, i have the focus, remove it
            this->parent->removeChildWinFocus();

            // set the new focused childwin
            this->parent->focusedChildWin = i;
            this->parent->restoreChildWinFocus();
            return;
        }
    }

//TODO: it must be possible, that there is no focused childwin (-1)
}


void MMSWindow::loadArrowWidgets() {
    /* searching root parent */
    MMSWindow *tmp = this;
    while (tmp->parent) tmp = tmp->parent;

    bool    b;
    string  s;

    /* connect arrow widgets */
    if (!this->upArrowWidget)
        if (getUpArrow(s))
            if (s != "")
                if ((this->upArrowWidget = tmp->findWidget(s))) {
                    if (!this->upArrowWidget->getSelectable(b))
                        this->upArrowWidget = NULL;
                    else
                        if (!b)
                            this->upArrowWidget = NULL;
                }

    if (!this->downArrowWidget)
        if (getDownArrow(s))
            if (s != "")
                if ((this->downArrowWidget = tmp->findWidget(s))) {
                    if (!this->downArrowWidget->getSelectable(b))
                        this->downArrowWidget = NULL;
                    else
                        if (!b)
                            this->downArrowWidget = NULL;
                }

    if (!this->leftArrowWidget)
        if (getLeftArrow(s))
            if (s != "")
                if ((this->leftArrowWidget = tmp->findWidget(s))) {
                    if (!this->leftArrowWidget->getSelectable(b))
                        this->leftArrowWidget = NULL;
                    else
                        if (!b)
                            this->leftArrowWidget = NULL;
                }

    if (!this->rightArrowWidget)
        if (getRightArrow(s))
            if (s != "")
                if ((this->rightArrowWidget = tmp->findWidget(s))) {
                    if (!this->rightArrowWidget->getSelectable(b))
                        this->rightArrowWidget = NULL;
                    else
                        if (!b)
                            this->rightArrowWidget = NULL;
                }
}


void MMSWindow::getArrowWidgetStatus(ARROW_WIDGET_STATUS *setarrows) {

    if (this->focusedwidget) {
        /* for my widgets */
        setarrows->up=(this->focusedwidget->canNavigateUp());
        setarrows->down=(this->focusedwidget->canNavigateDown());
        setarrows->left=(this->focusedwidget->canNavigateLeft());
        setarrows->right=(this->focusedwidget->canNavigateRight());

        /* check my window navigation */
        if (!setarrows->up)
            setarrows->up=(getNavigateUpWindow());
        if (!setarrows->down)
            setarrows->down=(getNavigateDownWindow());
        if (!setarrows->left)
            setarrows->left=(getNavigateLeftWindow());
        if (!setarrows->right)
            setarrows->right=(getNavigateRightWindow());
    }
    else {
        /* for my focused child window */
        if (!childwins.empty()) {
            try {
                MMSWindow *fWin = childwins.at(this->focusedChildWin).window;

                /* get all the states (my own and all children) */
                fWin->getArrowWidgetStatus(setarrows);
            } catch (std::exception&) {
                return;
            }

            /* check my window navigation */
            if (!setarrows->up)
                setarrows->up=(getNavigateUpWindow());
            if (!setarrows->down)
                setarrows->down=(getNavigateDownWindow());
            if (!setarrows->left)
                setarrows->left=(getNavigateLeftWindow());
            if (!setarrows->right)
                setarrows->right=(getNavigateRightWindow());

        }
    }
}

void MMSWindow::switchArrowWidgets() {
    preCalcNaviLock.lock();

    /* connect arrow widgets */
    loadArrowWidgets();

    /* get the new state of the arrows */
    ARROW_WIDGET_STATUS setarrows;
    memset(&setarrows, 0, sizeof(ARROW_WIDGET_STATUS));

    /* get all the states (my own and all children) */
    getArrowWidgetStatus(&setarrows);

    /* switch arrow widgets */
    if (this->upArrowWidget) {
        if (setarrows.up)
            this->upArrowWidget->setSelected(true);
        else
            this->upArrowWidget->setSelected(false);
    }

    if (this->downArrowWidget) {
        if (setarrows.down)
            this->downArrowWidget->setSelected(true);
        else
            this->downArrowWidget->setSelected(false);
    }

    if (this->leftArrowWidget) {
        if (setarrows.left)
            this->leftArrowWidget->setSelected(true);
        else
            this->leftArrowWidget->setSelected(false);
    }

    if (this->rightArrowWidget) {
        if (setarrows.right)
            this->rightArrowWidget->setSelected(true);
        else
            this->rightArrowWidget->setSelected(false);
    }

    /* recursive to my parents */
    if (this->parent)
        this->parent->switchArrowWidgets();

    preCalcNaviLock.unlock();
}


bool MMSWindow::flip(void) {
    if (getType()==MMSWINDOWTYPE_CHILDWINDOW) {
        PRINT_LOCK("call flipWindow");
        this->parent->flipWindow(this);
        PRINT_LOCK("end flipWindow");
    }
    else {
        this->surface->lock();
        PRINT_LOCK("call flip");
        this->surface->flip();
        PRINT_LOCK("end flip");
        this->surface->unlock();
    }
    return true;
}

MMSFBLayer *MMSWindow::getLayer() {
    return this->layer;
}

MMSFBSurface *MMSWindow::getSurface() {
    return this->surface;
}

MMSWindow *MMSWindow::getParent(bool toplevel) {
    if (!toplevel)
        return this->parent;
    if (!this->parent)
        return NULL;
    MMSWindow *pw = this->parent->getParent(toplevel);
    if (pw)
        return pw;
    return this->parent;
}


void MMSWindow::recalculateChildren() {
    if(!this->children.empty()) {
        this->children.at(0)->setGeometry(this->innerGeom);
    }

    /* pre-calculate the navigation */
    preCalcNavigation();
}



bool MMSWindow::initnav() {

    // get my four windows to which I have to navigate
    if (this->parent) {
        string s;
        if (getNavigateUp(s))
            this->navigateUpWindow = this->parent->findWindow(s);
        if (getNavigateDown(s))
            this->navigateDownWindow = this->parent->findWindow(s);
        if (getNavigateRight(s))
            this->navigateRightWindow = this->parent->findWindow(s);
        if (getNavigateLeft(s))
            this->navigateLeftWindow = this->parent->findWindow(s);
    }

    // pre-calculate the navigation
    preCalcNavigation();

    return true;
}

bool MMSWindow::init() {

    if (this->initialized) {
        // already initialized
        return true;
    }

    // load images
    string path, name;

    if (!this->bgimage_from_external) {
        if (!getBgImagePath(path)) path = "";
        if (!getBgImageName(name)) name = "";
        this->bgimage = this->im->getImage(path, name);
    }

    if (!getBorderImagePath(path)) path = "";
    for (int i=0;i<MMSBORDER_IMAGE_NUM_SIZE;i++) {
        if (!getBorderImageNames((MMSBORDER_IMAGE_NUM)i, name)) name = "";
        this->borderimages[i] = this->im->getImage(path, name);
    }

    this->initialized = true;
    return true;
}

bool MMSWindow::release() {

    if (!this->initialized) {
        // not initialized
        return true;
    }

    // release all images
    if (!this->bgimage_from_external) {
        this->im->releaseImage(this->bgimage);
        this->bgimage = NULL;
    }

    for (int i=0;i<MMSBORDER_IMAGE_NUM_SIZE;i++) {
        this->im->releaseImage(this->borderimages[i]);
        this->borderimages[i] = NULL;
    }

    this->initialized = false;
    return true;
}


void MMSWindow::draw(bool toRedrawOnly, MMSFBRectangle *rect2update, bool clear, unsigned char opacity) {

    // reset "need redraw" flag
    this->need_redraw = false;

    // init window (e.g. load images, fonts, ...)
    init();

    // lock
    lock();
    this->surface->lock();

    if (rect2update) {
        /* use a small rectangle */
        MMSFBRegion clip;
        clip.x1 = rect2update->x;
        clip.y1 = rect2update->y;
        clip.x2 = rect2update->x + rect2update->w - 1;
        clip.y2 = rect2update->y + rect2update->h - 1;
        this->surface->setClip(&clip);
    }

    if (!this->onDraw->emit(this->surface, clear)) {
        // nothing drawn by callback(s), so we have to do it

        // draw background
        MMSFBColor bgcolor;
        getBgColor(bgcolor);
        if (this->bgimage) {
            this->bgimage->lock();
            // clear all or a part of the surface
            if (clear) {
                if ((bgcolor.a && bgcolor.a != 255) || opacity != 255 || !this->bgimage->isOpaque()) {
                    this->surface->clear();
                }
            }

            // prepare for blitting
            this->surface->setBlittingFlagsByBrightnessAlphaAndOpacityAndSource(
                                    255, (bgcolor.a)?bgcolor.a:255, opacity, this->bgimage);

            // draw background with bgimage
            this->surface->stretchBlit(this->bgimage, NULL, &(this->innerGeom));
            this->bgimage->unlock();
        }
        else
        if (bgcolor.a) {
            // clear all or a part of the surface
            if (clear) {
                if (bgcolor.a != 255 || opacity != 255) {
                    this->surface->clear();
                }
            }

            // prepare for drawing
            this->surface->setDrawingColorAndFlagsByBrightnessAndOpacity(bgcolor, 255, opacity);

            // draw window background
            this->surface->fillRectangle(this->innerGeom.x, this->innerGeom.y, this->innerGeom.w, this->innerGeom.h);
        }
        else {
            // clear all or a part of the surface
            if (clear) {
                this->surface->clear();
            }
        }

        // draw children
        bool backgroundFilled = true;
        if(!this->children.empty()) {
            if (opacity != 255) {
                printf("DISKO: Window %s drawn with opacity %d, but widgets will be drawn with full opacity!\n",
                        name.c_str(), opacity);
            }

            if (this->draw_setgeom) {
//printf(">>>>>>>>>>>>>>>AAAAAAAAAAAAAA>>>>>>>>>>>>>>>\n");

                if (!this->children.at(0)->content_size_initialized) {
                    // first time, init content size an geometry
                    this->children.at(0)->setGeometry(this->innerGeom);
                    this->children.at(0)->initContentSize();
                }

                this->children.at(0)->setGeometry(this->innerGeom);

//printf("<<<<<<<<<<<<<<<AAAAAAAAAAAAAA>>>>>>>>>>>>>>>\n");
                this->draw_setgeom = false;
            }
            this->children.at(0)->drawchildren(toRedrawOnly, &backgroundFilled, rect2update);
        }
    }

    // reset the clip
    this->surface->setClip(NULL);

    this->surface->unlock();
    // unlock
//PUP    this->surface->unlock();
    unlock();

    // draw border
    if (!toRedrawOnly)
        drawMyBorder(opacity);
}

void MMSWindow::drawMyBorder(unsigned char opacity) {
    unsigned int borderThickness;
    if (!getBorderThickness(borderThickness))
        borderThickness = 0;
    bool borderRCorners;
    if (!getBorderRCorners(borderRCorners))
        borderRCorners = false;
    MMSFBColor c;

    getBorderColor(c);
    drawBorder(borderThickness, borderRCorners, this->borderimages,
               this->bordergeom, &(this->bordergeomset), this->surface,
               0, 0, this->geom.w, this->geom.h, c, this->im, 255, opacity);
}


bool MMSWindow::show() {

    PRINT_LOCK("mmsfb unlock");
    bool rc = mmsfb->unlock();
    // the window will be hidden in a few seconds (hideAction thread is running), wait for it
    while (this->willhide)
        msleep(100);

    while(1) {
        // check if the window is shown
        if(this->shown) {
            // call onAfterShow callback with already shown flag
            this->onAfterShow->emit(this, true);
            return true;
        }

        // check if the window will already be shown
        if (this->willshow) {
            msleep(100);
            continue;
        }
        break;
    }

    if(rc)
        mmsfb->lock();

    // start the show process
    this->willshow = true;

    // call onBeforeShow callback
    if (!this->onBeforeShow->emit(this)) {
        // a callback returns false, break the show process
        this->willshow = false;
        return false;
    }


    switch (getType()) {
    case MMSWINDOWTYPE_MAINWINDOW:
        // hide all main and popup windows
        // root windows will be hidden during the show animation, see beforeShowAction()
        if (this->windowmanager) {
            this->windowmanager->hideAllPopupWindows(true);
            this->windowmanager->hideAllMainWindows();
        }
        break;
    case MMSWINDOWTYPE_CHILDWINDOW:
        if (this->parent) {
            if (!this->parent->isShown(true)) {
                // not really visible, break the show process
                this->buffered_shown = true;
                this->setFirstFocus();
                this->shown = true;
                this->willshow = false;
                this->onAfterShow->emit(this, false);
                return true;
            }
        }
        break;
    default:
        break;
    }



/*    if (this->action->isRunning())
        this->action->cancelBroadcast.emit(this->getType());
    this->action->setAction(MMSWACTION_SHOW);
    this->action->start();*/

    //////////

    // do the animation in a separate thread...
    this->pulser.setStepsPerSecond(MMSWINDOW_ANIM_MAX_OFFSET * 4);
    this->pulser.setMaxOffset(MMSWINDOW_ANIM_MAX_OFFSET, MMSPULSER_SEQ_LOG_SOFT_END, MMSWINDOW_ANIM_MAX_OFFSET / 2);
    this->pulser_mode = MMSWINDOW_PULSER_MODE_SHOW;
    this->pulser.start(false, true);


    ////////////


    return true;
}


/////////////////////
void MMSWindow::showBufferedShown() {
    unsigned int cws = childwins.size();
    if (!cws) {
        /* pre-calculate the navigation */
/*        if (this->parent) {
            this->parent->preCalcNavigation();
            this->switchArrowWidgets();
        }*/
    }

//printf("show4-0 - %s\n", name.c_str());

    lock();

    for (unsigned int i = 0; i < childwins.size(); i++) {
        MMSWindow *w = childwins.at(i).window;

        if (w->shown) {
            if (!w->buffered_shown) {
                // it is not the first time, so one draw is enough
                // do it only for child windows with own surfaces
                bool os;
                w->getOwnSurface(os);
                if (os) {
                    w->draw();
                    PRINT_LOCK("call flipWindow");
                    w->parent->flipWindow(w);
                    PRINT_LOCK("end flipWindow");
                }
            }
            else {
                // buffered shown, first time called
                w->draw();
                w->draw();

                if (!w->precalcnav) {
                    // init window (e.g. pre-calc navigation ...)
                    w->initnav();
                    w->precalcnav = true;
                }

                if (!w->initialArrowsDrawn) {
                    // set the arrow widgets
                    w->initialArrowsDrawn = true;
                    w->switchArrowWidgets();
                }

                // flip only child windows with own surfaces
                bool os;
                w->getOwnSurface(os);
                if (os) {
                    PRINT_LOCK("call flipWindow");
                    w->parent->flipWindow(w);
                    PRINT_LOCK("end flipWindow");
                }

                if ((w->parent)||((!w->parent)&&(w->window))) {
                    unsigned int opacity;
                    if (!w->getOpacity(opacity)) opacity = 255;

                    // set final opacity
                    w->parent->setChildWindowOpacity(w, opacity);
                }

                // first time finished
                w->buffered_shown = false;

                // go recursive to the child windows
                w->showBufferedShown();
            }
        }
    }

    unlock();
}



bool MMSWindow::raiseToTop(int zlevel) {

    lock();

    if (!this->parent) {
        // normal parent window, set the window to top
        if (this->window) {
            // raise MMSFBWindow to top (zbaselevel + zlevel)
            bool ret = this->window->raiseToTop(this->zbaselevel + zlevel);
            unlock();
            return ret;
        }
        unlock();
        return false;
    }

    // child window, change the childwins vector
    for (unsigned int i = 0; i < this->parent->childwins.size(); i++) {
        if (this->parent->childwins.at(i).window == this) {
            // child window found, move it to the end of the vector
            if (i + 1 < this->parent->childwins.size()) {
                // not at the end, moving it
                CHILDWINS cw = this->parent->childwins.at(i);
                this->parent->childwins.erase(this->parent->childwins.begin()+i);
                bool aot = false;
                this->getAlwaysOnTop(aot);
                if (!aot) {
                    // normal stack position, move window before windows with "always on top" flag
                    this->parent->childwins.insert(this->parent->childwins.begin() + this->parent->always_on_top_index - 1, cw);

                    if (i < this->parent->always_on_top_index) {
                        // window is already in the "normal" area
                        if (this->parent->focusedChildWin == i) {
                            // focused child window is raised
                            this->parent->focusedChildWin = this->parent->always_on_top_index - 1;
                        }
                        else {
                            if (this->parent->focusedChildWin < this->parent->always_on_top_index) {
                                if (this->parent->focusedChildWin > i) {
                                    // the focused window will not be changed here!!!
                                    this->parent->focusedChildWin--;
                                }
                            }
                        }
                    }
                    else {
                        // window is switched to "normal" area
                        this->parent->always_on_top_index++;
                        if (this->parent->focusedChildWin == i) {
                            // focused child window is raised
                            this->parent->focusedChildWin = this->parent->always_on_top_index - 1;
                        }
                        else {
                            if (this->parent->focusedChildWin >= this->parent->always_on_top_index) {
                                if (this->parent->focusedChildWin < i) {
                                    // the focused window will not be changed here!!!
                                    this->parent->focusedChildWin++;
                                }
                            }
                        }
                    }

                    // index to the child window
                    i = this->parent->always_on_top_index - 1;
                }
                else {
                    // window with "always on top" flag, move it to the end of list
                    this->parent->childwins.push_back(cw);

                    if (i >= this->parent->always_on_top_index) {
                        // window is already in the "always on top" area
                        if (this->parent->focusedChildWin == i) {
                            // focused child window is raised
                            this->parent->focusedChildWin = this->parent->childwins.size() - 1;
                        }
                        else {
                            if (this->parent->focusedChildWin > i) {
                                // the focused window will not be changed here!!!
                                this->parent->focusedChildWin--;
                            }
                        }
                    }
                    else {
                        // window is switched to "always on top" area
                        this->parent->always_on_top_index--;
                        if (this->parent->focusedChildWin == i) {
                            // focused child window is raised
                            this->parent->focusedChildWin = this->parent->childwins.size() - 1;
                        }
                        else {
                            if (this->parent->focusedChildWin > i) {
                                // the focused window will not be changed here!!!
                                this->parent->focusedChildWin--;
                            }
                        }
                    }

                    // index to the child window
                    i = this->parent->childwins.size() - 1;
                }

                // redraw the window stack if child window and parent is shown
                if ((this->parent->childwins.at(i).window->shown)&&(this->parent->shown)) {
                    PRINT_LOCK("call flipWindow");
                    this->parent->flipWindow(this->parent->childwins.at(i).window, NULL, MMSFB_FLIP_NONE, false, true);
                    PRINT_LOCK("end flipWindow");
                }

            }

            unlock();
            return true;
        }
    }
    unlock();
    return false;
}

bool MMSWindow::lowerToBottom() {
    if (!this->parent) {
        // normal parent window, set the window to bottom
        if (this->window) {
            return this->window->lowerToBottom();
        }
        return false;
    }

    // child window, change the childwins vector
    lock();
    for (unsigned int i = 0; i < this->parent->childwins.size(); i++) {
        if (this->parent->childwins.at(i).window == this) {
            // child window found, move it to the beginning of the vector
            if (i > 0) {
                // not at the beginning, moving it
                CHILDWINS cw = this->parent->childwins.at(i);
                this->parent->childwins.erase(this->parent->childwins.begin()+i);

                bool aot = false;
                this->getAlwaysOnTop(aot);
                if (!aot) {
                    // normal stack position, move window to the beginning of the list
                    this->parent->childwins.insert(this->parent->childwins.begin(), cw);

                    if (this->parent->focusedChildWin < i) {
                        // the focused window will not be changed here!!!
                        this->parent->focusedChildWin++;
                    }

                    // index to the child window
                    i = 0;
                }
                else {
                    // window with "always on top" flag, move window before all windows with "always on top" flag
                    this->parent->childwins.insert(this->parent->childwins.begin() + this->parent->always_on_top_index, cw);

                    if (this->parent->focusedChildWin >= this->parent->always_on_top_index) {
                        if (this->parent->focusedChildWin < i) {
                            // the focused window will not be changed here!!!
                            this->parent->focusedChildWin++;
                        }
                    }

                    // index to the child window
                    i = this->parent->always_on_top_index;
                }

                // redraw the window stack if child window and parent is shown
                if ((this->parent->childwins.at(i).window->shown)&&(this->parent->shown)) {
                    PRINT_LOCK("call flipWindow");
                    this->parent->flipWindow(this->parent->childwins.at(i).window, NULL, MMSFB_FLIP_NONE, false, true);
                    PRINT_LOCK("end flipWindow");
                }
            }

            unlock();
            return true;
        }
    }
    unlock();
    return false;
}

bool MMSWindow::moveTo(int x, int y, bool refresh) {
    x&= ~0x01;
    y&= ~0x01;
    if (!this->parent) {
        bool os;
        getOwnSurface(os);
        if (os) {
            // own surface
            this->window->moveTo(x, y);
        }
        else {
            // root, main, popup window with shared surface
            static bool firsttime = true;
            if (firsttime) {
                printf("DISKO: Moving window (%s) with own_surface=\"false\" is not recommended.\n",
                        (this->name=="")?"noname":this->name.c_str());
                firsttime = false;
            }

            this->surface->lock();
            // clear
            this->surface->clear();
            PRINT_LOCK("call flip");
            this->surface->flip();
            PRINT_LOCK("end flip");

            // move subsurface
            this->surface->moveTo(x, y);
            this->surface->unlock();

            // move visible rectangle
            MMSFBRectangle vrect;
            if (this->window->getVisibleRectangle(&vrect)) {
                vrect.x = x;
                vrect.y = y;
                this->window->setVisibleRectangle(&vrect);
            }

            // refresh (redraw) window
            this->refresh();
        }
    }
    else {
        // this is a child window
        this->parent->moveChildWindow(this, x, y, refresh);
    }

    return true;
}


bool MMSWindow::stretch(double left, double up, double right, double down) {
    bool ret = true;

    // TODO: currently we work for child windows only
    if (!parent) return false;

    // reset stretch mode
    this->stretchmode = false;
    this->stretchLeft = (int)(left * 256);
    this->stretchUp   = (int)(up * 256);
    this->stretchRight= (int)(right * 256);
    this->stretchDown = (int)(down * 256);

    if ((left != 100)||(right != 100)||(up != 100)||(down != 100)) {
        if ((((left-100)+(right-100)+100) > 0) && (((up-100)+(down-100)+100) > 0)) {
            // values accepted
            this->stretchmode = true;
        }
        else {
            // wrong inputs
            ret = false;
        }
    }

    // re-calculate the window region and return
    parent->setChildWindowRegion(this, true);
    return ret;
}

bool MMSWindow::onBeforeAnimation(MMSPulser *pulser) {
    bool rc = false;
    mmsfb->lock();
    switch (this->pulser_mode) {
    case MMSWINDOW_PULSER_MODE_SHOW:
        PRINT_LOCK("enter beforeShowAction");
        rc = beforeShowAction(pulser);
        PRINT_LOCK("leave beforeShowAction");
        PRINT_LOCK("mmsfb unlock");
        mmsfb->unlock();
        return rc;
    case MMSWINDOW_PULSER_MODE_HIDE:
        rc = beforeHideAction(pulser);
        PRINT_LOCK("mmsfb unlock");
        mmsfb->unlock();
        return rc;
    }

    PRINT_LOCK("mmsfb unlock");
    mmsfb->unlock();

    return false;
}

bool MMSWindow::onAnimation(MMSPulser *pulser) {
    mmsfb->lock();
    bool rc = false;
    switch (this->pulser_mode) {
    case MMSWINDOW_PULSER_MODE_SHOW:
        PRINT_LOCK("enter showAction");
        rc = showAction(pulser);
        PRINT_LOCK("leave showAction");
        PRINT_LOCK("mmsfb unlock");
        mmsfb->unlock();
        return rc;
    case MMSWINDOW_PULSER_MODE_HIDE:
        rc = hideAction(pulser);
        PRINT_LOCK("mmsfb unlock");
        mmsfb->unlock();
        return rc;
    }
    PRINT_LOCK("mmsfb unlock");
    mmsfb->unlock();
    return false;
}

void MMSWindow::onAfterAnimation(MMSPulser *pulser) {
    mmsfb->lock();

    switch (this->pulser_mode) {
    case MMSWINDOW_PULSER_MODE_SHOW:
        PRINT_LOCK("enter afterShowAction");
        afterShowAction(pulser);
        PRINT_LOCK("leave afterShowAction");
        break;
    case MMSWINDOW_PULSER_MODE_HIDE:
        afterHideAction(pulser);
        break;
    }

    PRINT_LOCK("mmsfb unlock");
    mmsfb->unlock();
}

bool MMSWindow::beforeShowAction(MMSPulser *pulser) {
    if(shown==true) {
        // call onAfterShow callback with already shown flag
        this->onAfterShow->emit(this, true);
        this->willshow=false;
        return false;
    }

    // set the first focused widget, if not set and if window can get the focus
    this->setFirstFocus();

    if (getType() == MMSWINDOWTYPE_CHILDWINDOW) {
        if ((int)this->parent->focusedChildWin >= 0) {
            MMSWindow *fw = this->parent->childwins.at(this->parent->focusedChildWin).window;
            if ((fw != this) && (!fw->isShown())) {
                // focused child window is not shown!
                // so set focus to this window
                setFocus();
            }
        }
    }

    PRINT_LOCK("try to lock beforeshow");
    // lock during draw
    lock();
    PRINT_LOCK("got lock beforeshow");

    // optimized shown
    showBufferedShown();

    // check if all of its parents are shown
    bool really_shown = true;
    if (this->parent)
        really_shown = this->parent->isShown(true);


    if (getType() == MMSWINDOWTYPE_ROOTWINDOW) {
        // hide the current root window
        if (this->windowmanager) {
            this->windowmanager->hideAllRootWindows(true);
            this->windowmanager->lowerToBottom(this);
        }
        else {
            lowerToBottom();
        }
    }
    else {
        // bring all other windows in foreground
        if (!this->parent) {
            // normal parent window (main or popup)
            if (this->windowmanager) {
                PRINT_LOCK("call raiseToTop");
                this->windowmanager->raiseToTop(this);
            }
            else {
                PRINT_LOCK("call raiseToTop");
                raiseToTop();
            }
        }
        else {
            // change the z-order of child windows?
            bool staticzorder = false;
            this->parent->getStaticZOrder(staticzorder);
            if (!staticzorder) {
                PRINT_LOCK("call raiseToTop");
                raiseToTop();
            }
        }
    }

    if ((getType() == MMSWINDOWTYPE_ROOTWINDOW) || (getType() == MMSWINDOWTYPE_MAINWINDOW)) {
        bool os;
        getOwnSurface(os);
        if (!os) {
            if (this->window) {
                // we are working with a subsurface of a fullscreen window
                this->window->setVisibleRectangle(&this->geom);
            }
        }
    }

    // draw complete window two times!!! *********************************
    // two times are needed because if window is not shown (shown=false) *
    // refreshFromChild does not work!!! -> but the second call to draw  *
    // uses the current settings from all childs                         *
    draw();
    draw();
    //********************************************************************

    if (!this->precalcnav) {
        // init window (e.g. pre-calc navigation ...)
        initnav();
        this->precalcnav = true;
    }

    if (!this->initialArrowsDrawn) {
        // set the arrow widgets
        this->initialArrowsDrawn = true;
        switchArrowWidgets();
    }

    // make it visible
    if (!this->parent) {
        PRINT_LOCK("call flipWindow");
        flipWindow(this);
        PRINT_LOCK("end flipWindow");
    }
    else {
        PRINT_LOCK("call flipWindow");
        this->parent->flipWindow(this);
        PRINT_LOCK("end flipWindow");
    }

    // drawing finished, unlock
    unlock();

    if (this->window) {
        // show window (normally the opacity is 0 here)
        this->window->show();
    }

    // window is shown (important to set it before animation!!!)
    shown=true;

    // per default only main or root windows can get inputs
    // popup windows can get inputs if the modal mode is set
    // child windows get the inputs from the parent main, root or popup window
    if (this->windowmanager) {
        switch (getType()) {
            case MMSWINDOWTYPE_MAINWINDOW:
            case MMSWINDOWTYPE_ROOTWINDOW:
                this->windowmanager->setToplevelWindow(this);
                break;
            case MMSWINDOWTYPE_POPUPWINDOW: {
                bool modal;
                if (getModal(modal)) {
                    if (modal)
                        this->windowmanager->setToplevelWindow(this);
                }
                break;
            }
            default:
                break;
        }
    }

    // check if window or parent are correctly initialized
    if (!((this->parent)||((!this->parent)&&(this->window)))) {
        // no, do not start the animation
        afterShowAction(NULL);
        return false;
    }

    // init animation values
    if (!getOpacity(this->anim_opacity)) this->anim_opacity = 255;
    this->anim_rect = getGeometry();
    if (!getFadeIn(this->anim_fade)) this->anim_fade = false;
    if (!getMoveIn(this->anim_move)) this->anim_move = MMSDIRECTION_NOTSET;

    if ((!really_shown)||((!this->anim_fade)&&(this->anim_move==MMSDIRECTION_NOTSET))) {
        // nothing to animate, set values which are valid after the animation
        afterShowAction(pulser);
        return false;
    }

    // calculate the steps
    int steps = MMSWINDOW_ANIM_MAX_OFFSET;
    switch (this->anim_move) {
        case MMSDIRECTION_LEFT:
            this->anim_move_step = (vrect.w - this->anim_rect.x + vrect.x) / (steps+1);
            break;
        case MMSDIRECTION_RIGHT:
            this->anim_move_step = (this->anim_rect.w - vrect.x + this->anim_rect.x) / (steps+1);
            break;
        case MMSDIRECTION_UP:
            this->anim_move_step = (vrect.h - this->anim_rect.y + vrect.y) / (steps+1);
            break;
        case MMSDIRECTION_DOWN:
            this->anim_move_step = (this->anim_rect.h - vrect.y + this->anim_rect.y) / (steps+1);
            break;
        default:
            break;
    }

    if (this->anim_fade)
        this->anim_opacity_step = this->anim_opacity / (steps+1);

    return true;
}


bool MMSWindow::showAction(MMSPulser *pulser) {

    PRINT_LOCK("enter ShowAction");

    // do the animation
    double offs = MMSWINDOW_ANIM_MAX_OFFSET - pulser->getOffset();

//printf("111111111111111 %f %d\n", offs, pulser->getOnAnimationCounter());

    // move it
    switch (this->anim_move) {
        case MMSDIRECTION_LEFT:
            moveTo((int)(this->anim_rect.x + offs * this->anim_move_step) & ~0x01, this->anim_rect.y);
            break;
        case MMSDIRECTION_RIGHT:
            moveTo((int)(this->anim_rect.x - offs * this->anim_move_step) & ~0x01, this->anim_rect.y);
            break;
        case MMSDIRECTION_UP:
            moveTo(this->anim_rect.x, (int)(this->anim_rect.y + offs * this->anim_move_step) & ~0x01);
            break;
        case MMSDIRECTION_DOWN:
            moveTo(this->anim_rect.x, (int)(this->anim_rect.y - offs * this->anim_move_step) & ~0x01);
            break;
        default:
            break;
    }

    if (this->anim_fade) {
        // fade it
        if (!parent)
            this->window->setOpacity(this->anim_opacity - offs * this->anim_opacity_step);
        else
            this->parent->setChildWindowOpacity(this, this->anim_opacity - offs * this->anim_opacity_step);
    }
    else
    if (pulser->getOnAnimationCounter() == 0) {
        // no fade animation and called for the first time, set the opacity
        if (!parent)
            this->window->setOpacity(this->anim_opacity);
        else
            this->parent->setChildWindowOpacity(this, this->anim_opacity);
    }

    PRINT_LOCK("leave ShowAction");

    return true;
}

void MMSWindow::afterShowAction(MMSPulser *pulser) {
    PRINT_LOCK("enter afterShowAction");

    if (pulser) {
        // animation finished
        // set final position
        if (this->anim_move != MMSDIRECTION_NOTSET) {
            moveTo(this->anim_rect.x, this->anim_rect.y);
        }

        // set final opacity
        if (!this->parent) {
            this->window->setOpacity(this->anim_opacity);
        }
        else {
            this->parent->setChildWindowOpacity(this, this->anim_opacity);
        }
    }

    // do the rest...
    this->willshow=false;

    if (getType() == MMSWINDOWTYPE_CHILDWINDOW) {
        //TODO: if no focused childwin, then i should get the focused back

        // pre-calculate the navigation
        if (this->parent) {
            this->parent->preCalcNavigation();
            this->switchArrowWidgets();
        }
    }

    // call onAfterShow callback without already shown flag
    this->onAfterShow->emit(this, false);

    PRINT_LOCK("leave afterShowAction");
}

bool MMSWindow::beforeHideAction(MMSPulser *pulser) {
    if (shown==false) {
        this->willhide = false;
        return false;
    }

    // check if all of its parents are shown
    bool really_shown = this->isShown(true);

    if (!this->parent)
        if (this->windowmanager)
            this->windowmanager->removeWindowFromToplevel(this);

    if (getType() == MMSWINDOWTYPE_CHILDWINDOW) {
        // remove the focus from me
        removeFocusFromChildWindow();
    }

    // check if window or parent are correctly initialized
    if (!((this->parent)||((!this->parent)&&(this->window)))) {
        // no, check if i have the surface from layer
        if (this->surface) {
            this->surface->lock();
            // clear it
            this->surface->clear();
            PRINT_LOCK("call flip");
            this->surface->flip();
            PRINT_LOCK("end flip");
            this->surface->unlock();
        }
        afterHideAction(NULL);
        return false;
    }

    // init animation values
    if (!getOpacity(this->anim_opacity)) this->anim_opacity = 255;
    this->anim_rect = getGeometry();
    if (!getFadeOut(this->anim_fade)) this->anim_fade = false;
    if (!getMoveOut(this->anim_move)) this->anim_move = MMSDIRECTION_NOTSET;

    if ((!really_shown)||((!this->anim_fade)&&(this->anim_move==MMSDIRECTION_NOTSET))) {
        // nothing to animate, set values which are valid after the animation
        afterHideAction(pulser);
        return false;
    }

    // calculate the steps
    int steps = MMSWINDOW_ANIM_MAX_OFFSET;
    switch (this->anim_move) {
        case MMSDIRECTION_LEFT:
            this->anim_move_step = (this->anim_rect.w - vrect.x + this->anim_rect.x) / (steps+1);
            break;
        case MMSDIRECTION_RIGHT:
            this->anim_move_step = (vrect.w - this->anim_rect.x + vrect.x) / (steps+1);
            break;
        case MMSDIRECTION_UP:
            this->anim_move_step = (this->anim_rect.h - vrect.y + this->anim_rect.y) / (steps+1);
            break;
        case MMSDIRECTION_DOWN:
            this->anim_move_step = (vrect.h - this->anim_rect.y + vrect.y) / (steps+1);
            break;
        default:
            break;
    }

    if (this->anim_fade)
        this->anim_opacity_step = this->anim_opacity / (steps+1);

    return true;
}

bool MMSWindow::hideAction(MMSPulser *pulser) {

    // do the animation
    double offs = pulser->getOffset();

//printf("2222222222222 %f %d\n", offs, pulser->getOnAnimationCounter());


    // move it
    switch (this->anim_move) {
        case MMSDIRECTION_LEFT:
            moveTo((int)(this->anim_rect.x - offs * this->anim_move_step) & ~0x01, this->anim_rect.y);
            break;
        case MMSDIRECTION_RIGHT:
            moveTo((int)(this->anim_rect.x + offs * this->anim_move_step) & ~0x01, this->anim_rect.y);
            break;
        case MMSDIRECTION_UP:
            moveTo(this->anim_rect.x, (int)(this->anim_rect.y - offs * this->anim_move_step) & ~0x01);
            break;
        case MMSDIRECTION_DOWN:
            moveTo(this->anim_rect.x, (int)(this->anim_rect.y + offs * this->anim_move_step) & ~0x01);
            break;
        default:
            break;
    }

    if (this->anim_fade) {
        // fade it
        if (!parent)
            this->window->setOpacity(this->anim_opacity - offs * this->anim_opacity_step);
        else
            this->parent->setChildWindowOpacity(this, this->anim_opacity - offs * this->anim_opacity_step);
    }
    else
    if (pulser->getOnAnimationCounter() == 0) {
        // no fade animation and called for the first time, set the opacity
        if (!parent)
            this->window->setOpacity(this->anim_opacity);
        else
            this->parent->setChildWindowOpacity(this, this->anim_opacity);
    }

    return true;
}

void MMSWindow::afterHideAction(MMSPulser *pulser) {
    if (pulser) {
        // animation finished
        // set final opacity
        if (!this->parent) {
            this->window->setOpacity(0);
            this->window->hide();
        }
        else {
            this->parent->setChildWindowOpacity(this, 0);
        }

        // restore position
        if (this->anim_move != MMSDIRECTION_NOTSET) {
            moveTo(this->anim_rect.x, this->anim_rect.y);
        }
    }

    // do the rest...
    shown=false;
    willhide=false;

    if (getType() == MMSWINDOWTYPE_CHILDWINDOW) {
        // pre-calculate the navigation
        if (this->parent) {
            this->parent->preCalcNavigation();
            switchArrowWidgets();
        }
    }

    //TODO: release images...
    release();
}

bool MMSWindow::hide(bool goback, bool wait) {
    //give the other threads a chance to do their part
    PRINT_LOCK("mmsfb unlock");
    bool rc = mmsfb->unlock();
    /* the window will be shown in a few seconds (showAction thread is running), wait for it */
    while (this->willshow)
        msleep(100);

    while(1) {
        /* check if the window is shown */
        if(!this->shown)
            return true;
        /* check if the window will already be hidden */
        if (this->willhide) {
            msleep(100);
            continue;
        }
        break;
    }

    //back to locking if applicable
    if(rc)
        mmsfb->lock();

    /* starting hide process */
    this->willhide = true;

    /* call onBeforeHide callback */
    if (!this->onBeforeHide->emit(this, goback)) {
        /* a callback returns false, break the hide process */
        this->willhide = false;
        return false;
    }

/*
    if (this->action->isRunning())
        this->action->cancelBroadcast.emit(this->getType());
    this->action->setAction(MMSWACTION_HIDE);
    this->action->start();

    if (wait) {
        int c = 0;
        while ((this->action->getAction()==MMSWACTION_HIDE) && c < 20) { msleep(100); c++; }
    }
*/

    // do the animation in a separate thread...
    this->pulser.setStepsPerSecond(MMSWINDOW_ANIM_MAX_OFFSET * 4);
    this->pulser.setMaxOffset(MMSWINDOW_ANIM_MAX_OFFSET, MMSPULSER_SEQ_LOG_SOFT_START,  MMSWINDOW_ANIM_MAX_OFFSET / 2);
//  this->pulser.setMaxOffset(MMSWINDOW_ANIM_MAX_OFFSET, MMSPULSER_SEQ_LOG_SOFT_END,    MMSWINDOW_ANIM_MAX_OFFSET / 2);
//  this->pulser.setMaxOffset(MMSWINDOW_ANIM_MAX_OFFSET, MMSPULSER_SEQ_LINEAR);
//  this->pulser.setMaxOffset(MMSWINDOW_ANIM_MAX_OFFSET, MMSPULSER_SEQ_LINEAR_DESC);
//  this->pulser.setMaxOffset(MMSWINDOW_ANIM_MAX_OFFSET, MMSPULSER_SEQ_LOG_DESC_SOFT_START, MMSWINDOW_ANIM_MAX_OFFSET / 2);
//  this->pulser.setMaxOffset(MMSWINDOW_ANIM_MAX_OFFSET, MMSPULSER_SEQ_LOG_DESC_SOFT_END,   MMSWINDOW_ANIM_MAX_OFFSET / 2);
//  this->pulser.setMaxOffset(MMSWINDOW_ANIM_MAX_OFFSET, MMSPULSER_SEQ_LOG_SOFT_START_AND_END);
    this->pulser_mode = MMSWINDOW_PULSER_MODE_HIDE;
    this->pulser.start(!wait, true);


    // call onHide callback
    this->onHide->emit(this, goback);

    return true;
}

/*
bool MMSWindow::hideAction(bool *stopaction) {
    bool    saction = *stopaction;

    if(shown==false)
        return !saction;

    // check if all of its parents are shown
    bool really_shown = this->isShown(true);

    if (!this->parent)
        if (this->windowmanager)
            this->windowmanager->removeWindowFromToplevel(this);

    if (getType() == MMSWINDOWTYPE_CHILDWINDOW) {
        // remove the focus from me
        removeFocusFromChildWindow();
    }
/////////////////
    if ((this->parent)||((!this->parent)&&(this->window))) {
        unsigned int opacity;
        if (!getOpacity(opacity)) opacity = 255;
        MMSFBRectangle rect = getGeometry();

        bool fadeout;
        if (!getFadeOut(fadeout)) fadeout = false;
        MMSDIRECTION moveout;
        if (!getMoveOut(moveout)) moveout = MMSDIRECTION_NOTSET;

        if ((really_shown)&&((fadeout)||(moveout!=MMSDIRECTION_NOTSET))) {
            // little animation
            int steps = 3;
            unsigned int opacity_step;
            int move_step;

            switch (moveout) {
                case MMSDIRECTION_LEFT:
                    move_step = (rect.w-vrect.x+rect.x) / (steps+1);
                    break;
                case MMSDIRECTION_RIGHT:
                    move_step = (vrect.w-rect.x+vrect.x) / (steps+1);
                    break;
                case MMSDIRECTION_UP:
                    move_step = (rect.h-vrect.y+rect.y) / (steps+1);
                    break;
                case MMSDIRECTION_DOWN:
                    move_step = (vrect.h-rect.y+vrect.y) / (steps+1);
                    break;
                default:
                    break;
            }

            if (fadeout)
                opacity_step = opacity / (steps+1);

            for (int i = 1; i <= steps; i++) {

                // start time stamp
                unsigned int start_ts = getMTimeStamp();

                switch (moveout) {
                    case MMSDIRECTION_LEFT:
                        moveTo((rect.x - i * move_step) & ~0x01, rect.y);
                        break;
                    case MMSDIRECTION_RIGHT:
                        moveTo((rect.x + i * move_step) & ~0x01, rect.y);
                        break;
                    case MMSDIRECTION_UP:
                        moveTo(rect.x, (rect.y - i * move_step) & ~0x01);
                        break;
                    case MMSDIRECTION_DOWN:
                        moveTo(rect.x, (rect.y + i * move_step) & ~0x01);
                        break;
                    default:
                        break;
                }

                if (fadeout) {
                    if (!parent)
                        this->window->setOpacity(opacity - i * opacity_step);
                    else
                        this->parent->setChildWindowOpacity(this, opacity - i * opacity_step);
                }

                if (*stopaction) {
                    saction=true;
                    break;
                }

                // end time stamp
                unsigned int end_ts = getMTimeStamp();

                // sleeping a little...
                msleep(getFrameDelay(start_ts, end_ts));

            }
        }
///ddd
        if (!parent) {
            // set final opacity
            this->window->setOpacity(0);
            this->window->hide();
        }
        else {
            // set final opacity
            this->parent->setChildWindowOpacity(this, 0);
        }

        // restore position
        if (moveout!=MMSDIRECTION_NOTSET)
            moveTo(rect.x, rect.y);
    }
    else {
        // check if i have the surface from layer
        if (this->surface) {
            // clear it
            this->surface->clear();
            this->surface->flip();
        }
    }
///////////

    shown=false;
    willhide=false;

    if (getType() == MMSWINDOWTYPE_CHILDWINDOW) {
        // pre-calculate the navigation
        if (this->parent) {
            this->parent->preCalcNavigation();
            switchArrowWidgets();
        }
    }

    *stopaction=false;

    return !saction;
}*/

void MMSWindow::waitUntilShown() {
    //ensure that a show action can take place
    PRINT_LOCK("mmsfb unlock");
    bool rc = mmsfb->unlock();

    while ((!isShown())||(willshow))
        msleep(10);

    //ensure that a show action can take place
    if(rc)
        mmsfb->lock();
}

void MMSWindow::waitUntilHidden() {
    //ensure that a show action can take place
    PRINT_LOCK("mmsfb unlock");
    bool rc = mmsfb->unlock();

    while ((isShown())||(willhide))
        msleep(10);

    //ensure that a show action can take place
    if(rc)
        mmsfb->lock();
}

void MMSWindow::add(MMSWidget *child) {

    /* prevent duplicate items */
    for(unsigned int i = 0; i < this->children.size(); i++) {
        if(children.at(i)->getId() == child->getId())
            return;
    }

    /* add to the children vector */
    lock();
    this->children.push_back(child);
    unlock();
}

void MMSWindow::remove(MMSWidget *child) {
    /* remove from children vector */
    for(unsigned int i = 0; i < this->children.size(); i++) {
        if(children.at(i) == child) {
            this->children.erase(this->children.begin()+i);
            return;
        }
    }
}


void MMSWindow::refreshFromChild(MMSWidget *child, MMSFBRectangle *rect2update, bool check_shown) {
    MMSFBRegion     region;
    MMSFBRectangle  flip_rect;

    // use own surface?
    // note: os=false must ONLY be set, if this window is a child window!!!
    bool os = true;
    if (this->type == MMSWINDOWTYPE_CHILDWINDOW)
        getOwnSurface(os);

    if (check_shown) {
        // it makes sense that we skip all drawing requests here, if this window OR one of its parents are not shown
        if (!isShown(true)) {
            DEBUGMSG("MMSGUI", "MMSWindow->refreshFromChild() skipped because window is not shown");
            return;
        }
    }

    // lock drawing
//PUP    this->drawLock.lock();
    lock();


    // calculate region
    MMSFBRectangle rect;
    MMSWidget *c = child;
    if ((!c)&&(!children.empty()))
        c = children.at(0);
    if (c) {
        if (!rect2update) {
            rect = c->getGeometry();
            if (c->isDrawable()) {
                unsigned int childmargin;
                if (!c->getMargin(childmargin))
                    childmargin = 0;
                rect.x+=childmargin;
                rect.y+=childmargin;
                rect.w-=2*childmargin;
                rect.h-=2*childmargin;
            }
        }
        else
            rect = *rect2update;

        // check x/y
        if (rect.x < this->innerGeom.x) {
            rect.w-= this->innerGeom.x - rect.x;
            rect.x = this->innerGeom.x;
        }
        if (rect.y < this->innerGeom.y) {
            rect.h-= this->innerGeom.y - rect.y;
            rect.y = this->innerGeom.y;
        }

        // valid rectangle?
        if ((rect.w <= 0)||(rect.h <= 0)) {
            unlock();
            return;
        }

        // check width/height
        if (rect.x + rect.w > this->innerGeom.x + this->innerGeom.w)
            rect.w = this->innerGeom.w - rect.x;
        if (rect.y + rect.h > this->innerGeom.y + this->innerGeom.h)
            rect.h = this->innerGeom.h - rect.y;

        // valid rectangle?
        if ((rect.w <= 0)||(rect.h <= 0)) {
            unlock();
            return;
        }

        // save src rectangle for separate flip() call
        flip_rect = rect;

        if (stretchmode) {
            // adjust the destination rectangle
            rect.x = MMSFBWINDOW_CALC_STRETCH_WIDTH(rect.x, this);
            rect.y = MMSFBWINDOW_CALC_STRETCH_HEIGHT(rect.y, this);
            rect.w = MMSFBWINDOW_CALC_STRETCH_WIDTH(rect.w, this);
            rect.h = MMSFBWINDOW_CALC_STRETCH_HEIGHT(rect.h, this);
        }
    }
    else {
        // update complete inner geom
        rect = this->innerGeom;

        // save src rectangle for separate flip() call
        flip_rect = rect;
    }

    if(child) {
        // draw only childs of this child
        if (os)
            child->drawchildren();
    }
    else {
        // draw only some parts of the window
        if (os)
            draw(true, (rect2update)?&flip_rect:NULL);
    }

    // set region
    region.x1 = rect.x;
    region.x2 = rect.x+rect.w-1;
    region.y1 = rect.y;
    region.y2 = rect.y+rect.h-1;

//    logger.writeLog("flip the region (x1,y1,x2,y2) (" +
//        iToStr(region.x1) + "," + iToStr(region.y1) + "," + iToStr(region.x2) + "," + iToStr(region.y2) +")");

    if (!bordergeomset)
        // border geom is not set -> draw the border
        drawMyBorder();
    else {
        // draw the border if it is in the flipping region
        bool htdb = false;

        // check if border should be drawn
        if (!htdb)
            htdb = ((bordergeom[0].x + bordergeom[0].w > region.x1)
                  &&(bordergeom[0].y + bordergeom[0].h > region.y1));
        if (!htdb)
            htdb = (bordergeom[1].y + bordergeom[1].h > region.y1);
        if (!htdb)
            htdb = ((bordergeom[2].x <= region.x2)
                  &&(bordergeom[2].y + bordergeom[2].h > region.y1));
        if (!htdb)
            htdb = (bordergeom[3].x <= region.x2);
        if (!htdb)
            htdb = ((bordergeom[4].x <= region.x2)
                  &&(bordergeom[4].y <= region.y2));
        if (!htdb)
            htdb = (bordergeom[5].y <= region.y2);
        if (!htdb)
            htdb = ((bordergeom[6].x + bordergeom[6].w > region.x1)
                  &&(bordergeom[6].y <= region.y2));
        if (!htdb)
            htdb = (bordergeom[7].x + bordergeom[7].w > region.x1);

        if (htdb) {
            // I have to draw the border
            DEBUGMSG("MMSGUI", "draw window border");
            drawMyBorder();
        }
    }

    // flip region
    if (!this->parent) {
        PRINT_LOCK("call flipWindow");
        flipWindow(this, &region, MMSFB_FLIP_ONSYNC);
        PRINT_LOCK("end flipWindow");
    }
    else {
        if (!stretchmode) {
            // normal flip
            PRINT_LOCK("call flipWindow");
            this->parent->flipWindow(this, &region, MMSFB_FLIP_ONSYNC);
            PRINT_LOCK("end flipWindow");
        }
        else {
            // flip src region and call flipWindow with stretched region
            MMSFBRegion rg;
            rg.x1 = flip_rect.x;
            rg.x2 = flip_rect.x + flip_rect.w-1;
            rg.y1 = flip_rect.y;
            rg.y2 = flip_rect.y + flip_rect.h-1;
            this->surface->lock();
            PRINT_LOCK("call flip");
            this->surface->flip(&rg);
            PRINT_LOCK("end flip");
            this->surface->unlock();
            PRINT_LOCK("call flipWindow");
            this->parent->flipWindow(this, &region, MMSFB_FLIP_ONSYNC, false);
            PRINT_LOCK("end flipWindow");
        }
    }

    // unlock drawing
//PUP    this->drawLock.unlock();
    unlock();
}

void MMSWindow::refresh(MMSFBRegion *region) {

    if (!isShown(true)) {
        // drawing skipped because window is or it's parents are not shown
        return;
    }

    // lock drawing
//PUP    this->drawLock.lock();
    lock();

    // draw window
    setWidgetGeometryOnNextDraw();
    if (region) {
        // draw a region
        MMSFBRectangle rect2update;
        rect2update.x = region->x1;
        rect2update.y = region->y1;
        rect2update.w = region->x2 - region->x1 + 1;
        rect2update.h = region->y2 - region->y1 + 1;
        draw(false, &rect2update);
    }
    else {
        // draw whole window
        draw();
    }

    // make it visible
    if (!this->parent) {
        PRINT_LOCK("call flipWindow");
        flipWindow(this, region);
        PRINT_LOCK("end flipWindow");
    }
    else {
        PRINT_LOCK("call flipWindow");
        this->parent->flipWindow(this, region);
        PRINT_LOCK("end flipWindow");
    }

    // unlock drawing
//PUP    this->drawLock.unlock();
    unlock();
}


void MMSWindow::setFocusedWidget(MMSWidget *child, bool set, bool switchfocus, bool refresh) {
//printf("XXX: setFocusedWidget for window %s %x set = %d, switchfocus = %d\n", name.c_str(), this, set, switchfocus);
    if (set) {
        if (switchfocus) {
 //         printf(">>> %x, %x\n", this->focusedwidget, child);
            if (child != this->focusedwidget) {
                if (this->focusedwidget)
                    this->focusedwidget->setFocus(false, refresh);
            }
            if (child) {
                if (!child->isFocused()) {
                    child->setFocus(true, refresh);
                }
            }
        }
        this->focusedwidget = child;
        this->firstfocusset = true;
    }
    else {
        if (child)
            if (child->isFocused()) {
                if (switchfocus) {
//                  child->focused = false; ////////////////////////
                    child->setFocus(false, refresh);
                }
                this->focusedwidget = NULL;
                this->firstfocusset = false;
            }
    }

    switchArrowWidgets();
}

bool MMSWindow::setFirstFocus(bool cw) {
//printf("XXX: setFirstFocus1 to %s %x\n", name.c_str(), this);


    // per default only main or root windows can get inputs
    // popup windows can get inputs if the modal mode is set
    // child windows get the inputs from the parent main, root or popup window
    switch (getType()) {
        case MMSWINDOWTYPE_MAINWINDOW:
        case MMSWINDOWTYPE_ROOTWINDOW:
            break;
        case MMSWINDOWTYPE_POPUPWINDOW: {
            bool modal;
            if (getModal(modal)) {
                if (modal)
                    this->windowmanager->setToplevelWindow(this);
            }
            break;
        }
        case MMSWINDOWTYPE_CHILDWINDOW:
            if (!cw) return false;
//printf ("parent->focusedChildWin %d\n", parent->focusedChildWin);
//printf ("parent->focusedwidget %d\n", this->focusedwidget);
            break;
        default:
            return false;
    }

//printf("XXX: setFirstFocus2 to %s\n", name.c_str());
    DEBUGMSG("MMSGUI", "MMSWindow: setFirstFocus to " + getName());

    if (this->firstfocusset) {
//printf("XXX: setFirstFocus2.2 to %s\n", name.c_str());
        DEBUGMSG("MMSGUI", "MMSWindow: focus already set");
        return true;
    }
    this->firstfocusset = true;
    bool b;

//printf("XXX: setFirstFocus3 to %s\n", name.c_str());

    if(this->children.empty()) {
        bool found = false;

        for (unsigned int j = 0; j < this->childwins.size(); j++) {
            MMSWindow *w = this->childwins.at(j).window;
            if (!w->shown && !w->willshow) {
//printf("XXX: setFirstFocus3.1 to %s -> childwin %s %d %d %d\n", name.c_str(), w->name.c_str(), w->buffered_shown, w->shown, w->willshow);
                continue;
            }

//printf("XXX: setFirstFocus4 to %s -> childwin %s\n", name.c_str(), w->name.c_str());

            if (w->getNumberOfFocusableWidgets()) {
//printf("XXX: setFirstFocus5 to %s -> childwin %s %d\n", name.c_str(), w->name.c_str(), j);
                /* widgets found which can be focused */
                this->focusedChildWin = j;
                found = true;
                if (!w->firstfocusset) {
//printf("XXX: setFirstFocus6 to %s -> childwin %s\n", name.c_str(), w->name.c_str());
                    for(unsigned int i=0;i<w->children.size();i++) {
                        if(w->children.at(i)->getFocusable(b))
                            if (b) {
                                DEBUGMSG("MMSGUI", "MMSWindow: set focus to child nr " + iToStr(i));
                                string inputmode = "";
                                w->children.at(i)->getInputModeEx(inputmode);
                                if (strToUpr(inputmode) != "CLICK") {
//printf("XXX: setFirstFocus7 to %s -> childwin %s\n", name.c_str(), w->name.c_str());
                                    w->children.at(i)->setFocus(true, false);
                                }
                                else {
                                    w->children.at(i)->setFocus(false, false);
                                }
                                w->firstfocusset = true;
                                this->childwins.at(j).focusedWidget = i;
                                return true;
                            }
                    }
                }
                break;
            }
            else
            if (w->getNumberOfFocusableChildWins()) {
                /* child windows found which have focusable widgets */
                this->focusedChildWin = j;
                found = true;
                if (!w->firstfocusset) {
                    for(unsigned int i=0;i<w->childwins.size();i++) {
                        if (w->childwins.at(i).window->setFirstFocus(true))
                            return true;
                    }
                }
                break;
            }
        }

        if (found) {
            static bool again = false;

            if (!again) {
                DEBUGMSG("MMSGUI", "MMSWindow::setFirstFocus() found first focus");
                if (getenv( "MMS_EXIT_ON_FIRST_FOCUS" ))
                    exit(0);

                again = true;
            }
            return true;
        }

        DEBUGMSG("MMSGUI", "MMSWindow: no children to focus for window " + getName());
        return false;
    }


    for(unsigned int i=0;i<this->children.size();i++) {
        if(this->children.at(i)->getFocusable(b))
            if (b) {
                DEBUGMSG("MMSGUI", "MMSWindow: set focus to child nr " + iToStr(i));
                string inputmode = "";
                this->children.at(i)->getInputModeEx(inputmode);
                if (strToUpr(inputmode) != "CLICK")
                    this->children.at(i)->setFocus(true);
                return true;
            }
    }

    DEBUGMSG("MMSGUI", "MMSWindow: no children to focus for window " + getName());
    return false;
}



#define MAXDGCODE   999999

/* a lower return value is better than an higher value */
double MMSWindow::calculateDistGradCode_Up(MMSFBRectangle currPos, MMSFBRectangle candPos) {

    MMSFB_BREAK();

    /* check if candidate is over the current widget */
    if (candPos.y >= currPos.y)
        /* no */
        return MAXDGCODE;

    /* create some vector points */
    double w1 = (double)candPos.x;                          // left border to left border
           w1-= (double)currPos.x;
    double w2 = (double)candPos.x + (double)candPos.w - 1;  // right border to right border
           w2-= (double)currPos.x + (double)currPos.w - 1;
    double w3 = (double)candPos.x + ((double)candPos.w / 2);// middle to middle
           w3-= (double)currPos.x + ((double)currPos.w / 2);
    double h  = (double)candPos.y + ((double)candPos.h / 2);// height
           h -= (double)currPos.y + ((double)currPos.h / 2);

    /* if the candidate is direct over the current widget and candidate width is equal or greater */
    if ((w1 - (double)currPos.w / 2 <= 0) && (w2 + (double)currPos.w / 2 >= 0)) {
        /* then set the gradient of the middle vector to zero */
        w3 = 0;

        /* set smallest possible height */
        h = 0 - ((double)currPos.y - ((double)candPos.y + (double)candPos.h - 1));
    }

    /* check if correct quadrant */
    if (h >= 0)
        return MAXDGCODE;

    /* get absolute values */
    w1 = fabs(w1);
    w2 = fabs(w2);
    w3 = fabs(w3);
    h  = fabs(h);

    /* temporary storage for distance */
    double dist;

    /* temporary result storage */
    double dgcode1, dgcode2;

    /* work with left vector */
    dist = sqrt(w1*w1 + h*h);
    if (w1 <= h) {
        /* calc the gradient and the result code */
        double grad = w1 / h;
        dgcode1 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode1 = MAXDGCODE-MAXDGCODE/2+dist;

    /* work with right vector */
    dist = sqrt(w2*w2 + h*h);
    if (w2 <= h) {
        /* calc the gradient and the result code */
        double grad = w2 / h;
        dgcode2 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode2 = MAXDGCODE-MAXDGCODE/2+dist;

    /* take the smallest value */
    if (dgcode1 > dgcode2)
        dgcode1 = dgcode2;

    /* work with middle vector */
    dist = sqrt(w3*w3 + h*h);
    if (w3 <= h) {
        /* calc the gradient and the result code */
        double grad = w3 / h;
        dgcode2 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode2 = MAXDGCODE-MAXDGCODE/2+dist;

    /* return with the smallest value */
    if (dgcode1 < dgcode2)
        return dgcode1;

    /* return the result */
    return dgcode2;
}


/* a lower return value is better than an higher value */
double MMSWindow::calculateDistGradCode_Down(MMSFBRectangle currPos, MMSFBRectangle candPos) {

    /* check if candidate is under the current widget */
    if (candPos.y + candPos.h - 1 <= currPos.y + currPos.h - 1)
        /* no */
        return MAXDGCODE;

    /* create some vector points */
    double w1 = (double)candPos.x;                          // left border to left border
           w1-= (double)currPos.x;
    double w2 = (double)candPos.x + (double)candPos.w - 1;  // right border to right border
           w2-= (double)currPos.x + (double)currPos.w - 1;
    double w3 = (double)candPos.x + ((double)candPos.w / 2);// middle to middle
           w3-= (double)currPos.x + ((double)currPos.w / 2);
    double h  = (double)candPos.y + ((double)candPos.h / 2);// height
           h -= (double)currPos.y + ((double)currPos.h / 2);

    /* if the candidate is direct under the current widget and candidate width is equal or greater */
    if ((w1 - (double)currPos.w / 2 <= 0) && (w2 + (double)currPos.w / 2 >= 0)) {
        /* then set the gradient of the middle vector to zero */
        w3 = 0;

        /* set smallest possible height */
        h = (double)candPos.y - ((double)currPos.y + (double)currPos.h - 1);
    }

    /* check if correct quadrant */
    if (h <= 0)
        return MAXDGCODE;

    /* get absolute values */
    w1 = fabs(w1);
    w2 = fabs(w2);
    w3 = fabs(w3);
    h  = fabs(h);

    /* temporary storage for distance */
    double dist;

    /* temporary result storage */
    double dgcode1, dgcode2;

    /* work with left vector */
    dist = sqrt(w1*w1 + h*h);
    if (w1 <= h) {
        /* calc the gradient and the result code */
        double grad = w1 / h;
        dgcode1 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode1 = MAXDGCODE-MAXDGCODE/2+dist;

    /* work with right vector */
    dist = sqrt(w2*w2 + h*h);
    if (w2 <= h) {
        /* calc the gradient and the result code */
        double grad = w2 / h;
        dgcode2 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode2 = MAXDGCODE-MAXDGCODE/2+dist;

    /* take the smallest value */
    if (dgcode1 > dgcode2)
        dgcode1 = dgcode2;

    /* work with middle vector */
    dist = sqrt(w3*w3 + h*h);
    if (w3 <= h) {
        /* calc the gradient and the result code */
        double grad = w3 / h;
        dgcode2 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode2 = MAXDGCODE-MAXDGCODE/2+dist;

    /* return with the smallest value */
    if (dgcode1 < dgcode2)
        return dgcode1;

    /* return the result */
    return dgcode2;
}


/* a lower return value is better than an higher value */
double MMSWindow::calculateDistGradCode_Left(MMSFBRectangle currPos, MMSFBRectangle candPos) {

    /* check if candidate is left of the current widget */
    if (candPos.x >= currPos.x)
        return MAXDGCODE;

    /* create some vector points */
    double h1 = (double)candPos.y;                          // top border to top border
           h1-= (double)currPos.y;
    double h2 = (double)candPos.y + (double)candPos.h - 1;  // bottom border to bottom border
           h2-= (double)currPos.y + (double)currPos.h - 1;
    double h3 = (double)candPos.y + ((double)candPos.h / 2);// middle to middle
           h3-= (double)currPos.y + ((double)currPos.h / 2);
    double w  = (double)candPos.x + ((double)candPos.w / 2);// width
           w -= (double)currPos.x + ((double)currPos.w / 2);

    /* if the candidate is direct left of the current widget and candidate width is equal or greater */
    if ((h1 - (double)currPos.h / 2 <= 0) && (h2 + (double)currPos.h / 2 >= 0)) {
        /* then set the gradient of the middle vector to zero */
        h3 = 0;

        /* set smallest possible width */
        w = 0-((double)currPos.x - ((double)candPos.x + (double)candPos.w - 1));
    }

    /* check if correct quadrant */
    if (w >= 0)
        return MAXDGCODE;

    /* get absolute values */
    h1 = fabs(h1);
    h2 = fabs(h2);
    h3 = fabs(h3);
    w  = fabs(w);

    /* temporary storage for distance */
    double dist;

    /* temporary result storage */
    double dgcode1, dgcode2;

    /* work with top vector */
    dist = sqrt(h1*h1 + w*w);
    if (h1 <= w) {
        /* calc the gradient and the result code */
        double grad = h1 / w;
        dgcode1 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode1 = MAXDGCODE-MAXDGCODE/2+dist;

    /* work with bottom vector */
    dist = sqrt(h2*h2 + w*w);
    if (h2 <= w) {
        /* calc the gradient and the result code */
        double grad = h2 / w;
        dgcode2 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode2 = MAXDGCODE-MAXDGCODE/2+dist;

    /* take the smallest value */
    if (dgcode1 > dgcode2)
        dgcode1 = dgcode2;

    /* work with middle vector */
    dist = sqrt(h3*h3 + w*w);
    if (h3 <= w) {
        /* calc the gradient and the result code */
        double grad = h3 / w;
        dgcode2 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode2 = MAXDGCODE-MAXDGCODE/2+dist;

    /* return with the smallest value */
    if (dgcode1 < dgcode2)
        return dgcode1;

    /* return the result */
    return dgcode2;
}


/* a lower return value is better than an higher value */
double MMSWindow::calculateDistGradCode_Right(MMSFBRectangle currPos, MMSFBRectangle candPos) {

    /* check if candidate is right of the current widget */
    if (candPos.x + candPos.w - 1 <= currPos.x + currPos.w - 1)
        return MAXDGCODE;

    /* create some vector points */
    double h1 = (double)candPos.y;                          // top border to top border
           h1-= (double)currPos.y;
    double h2 = (double)candPos.y + (double)candPos.h - 1;  // bottom border to bottom border
           h2-= (double)currPos.y + (double)currPos.h - 1;
    double h3 = (double)candPos.y + ((double)candPos.h / 2);// middle to middle
           h3-= (double)currPos.y + ((double)currPos.h / 2);
    double w  = (double)candPos.x + ((double)candPos.w / 2);// width
           w -= (double)currPos.x + ((double)currPos.w / 2);

    /* if the candidate is direct right of the current widget and candidate width is equal or greater */
    if ((h1 - (double)currPos.h / 2 <= 0) && (h2 + (double)currPos.h / 2 >= 0)) {
        /* then set the gradient of the middle vector to zero */
        h3 = 0;

        /* set smallest possible width */
        w = (double)candPos.x - ((double)currPos.x + (double)currPos.w - 1);
    }

    /* check if correct quadrant */
    if (w <= 0)
        return MAXDGCODE;

    /* get absolute values */
    h1 = fabs(h1);
    h2 = fabs(h2);
    h3 = fabs(h3);
    w  = fabs(w);

    /* temporary storage for distance */
    double dist;

    /* temporary result storage */
    double dgcode1, dgcode2;

    /* work with top vector */
    dist = sqrt(h1*h1 + w*w);
    if (h1 <= w) {
        /* calc the gradient and the result code */
        double grad = h1 / w;
        dgcode1 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode1 = MAXDGCODE-MAXDGCODE/2+dist;

    /* work with bottom vector */
    dist = sqrt(h2*h2 + w*w);
    if (h2 <= w) {
        /* calc the gradient and the result code */
        double grad = h2 / w;
        dgcode2 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode2 = MAXDGCODE-MAXDGCODE/2+dist;

    /* take the smallest value */
    if (dgcode1 > dgcode2)
        dgcode1 = dgcode2;

    /* work with middle vector */
    dist = sqrt(h3*h3 + w*w);
    if (h3 <= w) {
        /* calc the gradient and the result code */
        double grad = h3 / w;
        dgcode2 = dist / (1 - grad);
    }
    else
        /* the grad is higher than 1 and will be ignored */
        dgcode2 = MAXDGCODE-MAXDGCODE/2+dist;

    /* return with the smallest value */
    if (dgcode1 < dgcode2)
        return dgcode1;

    /* return the result */
    return dgcode2;
}


bool MMSWindow::handleNavigationForWidgets(MMSInputEvent *inputevent) {
    MMSWidget *candidate = NULL;

    /* if no focused widget then return */
    if (!this->focusedwidget)
        return false;

    if (inputevent->type == MMSINPUTEVENTTYPE_KEYPRESS) {
        /* keyboard inputs */

        /* check if widget names for navigation are set to the focused widget */
        switch (inputevent->key) {
            case MMSKEY_CURSOR_DOWN:
                candidate = this->focusedwidget->getNavigateDownWidget();
                break;
            case MMSKEY_CURSOR_UP:
                candidate = this->focusedwidget->getNavigateUpWidget();
                break;
            case MMSKEY_CURSOR_RIGHT:
                candidate = this->focusedwidget->getNavigateRightWidget();
                break;
            case MMSKEY_CURSOR_LEFT:
                candidate = this->focusedwidget->getNavigateLeftWidget();
                break;

            default:
                break;
        }
    }
    else {
        /* other inputs */
    }

    if (candidate) {
        /* i found a new widget */
        if (candidate->getId() != this->focusedwidget->getId()) {
            /* different from current focus */
            this->focusedwidget->setFocus(false);
            candidate->setFocus(true, true, inputevent);
            return true;
        }
    }

    return false;
}



void MMSWindow::removeChildWinFocus() {
    if (this->childwins.size() > this->focusedChildWin) {

        /* get the focused childwin */
        MMSWindow *fWin = this->childwins.at(this->focusedChildWin).window;

        if (!fWin->children.empty()) {
            /* save focused widget from current window and remove the focus */
            for(unsigned int i=0;i<fWin->children.size();i++) {
                if(fWin->children.at(i)->isFocused()) {
                    try {
                        childwins.at(this->focusedChildWin).focusedWidget = i;
                    } catch (std::exception&) {
                    }
                    fWin->children.at(i)->setFocus(false);

                    /* set the arrow widgets */
                    fWin->switchArrowWidgets();

                    break;
                }
            }
        }
        else {
            /* recursive to my focused childwin */
            fWin->removeChildWinFocus();
        }
    }
}

bool MMSWindow::restoreChildWinFocus(MMSInputEvent *inputevent) {

    if (this->childwins.size() > this->focusedChildWin) {

        /* get the focused childwin */
        MMSWindow *fWin = this->childwins.at(this->focusedChildWin).window;

        /* check if something to focus */
        if (!fWin->getNumberOfFocusableWidgets())
            if (!fWin->getNumberOfFocusableChildWins())
                return false;

        if (!fWin->children.empty()) {
            /* restore focused widget to candidate window */
            bool b;
            if (!fWin->children.at(this->childwins.at(this->focusedChildWin).focusedWidget)->getFocusable(b))
                b = false;

            if (b) {
                string inputmode = "";
                fWin->children.at(this->childwins.at(this->focusedChildWin).focusedWidget)->getInputModeEx(inputmode);
                if (strToUpr(inputmode) != "CLICK") {
                    fWin->children.at(this->childwins.at(this->focusedChildWin).focusedWidget)->setFocus(true, true, inputevent);
                }
            }
            else {
                /* last focusable widget is not focusable anymore, search other widget to focus */
                for(unsigned int i=0;i<fWin->children.size();i++) {
                    if(fWin->children.at(i)->getFocusable(b))
                        if (b) {
                            this->childwins.at(this->focusedChildWin).focusedWidget = i;

                            string inputmode = "";
                            fWin->children.at(i)->getInputModeEx(inputmode);
                            if (strToUpr(inputmode) != "CLICK") {
                                fWin->children.at(i)->setFocus(true, true, inputevent);
                            }

                            break;
                        }
                }
            }

            /* set the arrow widgets */
            fWin->switchArrowWidgets();
        }
        else {
            /* recursive to my focused childwin */
            if (!fWin->restoreChildWinFocus(inputevent)) {

                /* nothing to focus, searching for other childwin */
                for(unsigned int i = 0; i < fWin->childwins.size(); i++) {
                    if (i == fWin->focusedChildWin)
                        continue;

                    /* found */
                    fWin->focusedChildWin = i;

                    /* next try */
                    if (fWin->restoreChildWinFocus(inputevent))
                        /* okay */
                        return true;
                    else
                        /* try with next */
                        continue;
                }

                /* no childwin found, reset the focus to the first childwin */
                fWin->focusedChildWin = 0;
                return false;
            }
        }
    }

    return true;
}


void MMSWindow::setFocus() {

//printf("MMSWindow::setFocus %08x, %s\n", this, name.c_str());

    // i do only work for child windows
    if (!this->parent) return;

    // check if focusable
    bool focusable = false;
    getFocusable(focusable);
    if (!focusable) return;

    // searching me
    int me = -1;
    for (unsigned int i = 0; i < this->parent->childwins.size(); i++)
        if (this->parent->childwins.at(i).window == this) {
            me = i;
            break;
        }

//printf("setFocus2 %s\n", name.c_str());

    // found within parents list?
    if (me < 0) return;

//printf("setFocus3 %s, %d, %d, parent = %s\n", name.c_str(), this->parent->focusedChildWin, me, this->parent->name.c_str());

    // check if shown
    if (!this->isShown() && !this->willshow) {
        this->show();
        this->waitUntilShown();
    }

    // currently focused child window?
    if ((int)this->parent->focusedChildWin == me) return;

//printf("setFocus4 %s\n", name.c_str());

    // save focused widget from current window and remove the focus
    this->parent->removeChildWinFocus();

    // i am the new focused window
    this->parent->focusedChildWin = me;

    // restore focused widget to candidate window
    this->parent->restoreChildWinFocus();

    // change the z-order of child windows?
    bool staticzorder = false;
    this->parent->getStaticZOrder(staticzorder);
    if (!staticzorder) {
        PRINT_LOCK("call raiseToTop");
        raiseToTop();
    }
}

bool MMSWindow::getFocus(bool checkparents) {
    // check if i am a child window
    if (!this->parent) {
        if (windowmanager->getToplevelWindow() == this)
            return true;
        else
            return false;
    }

    // search me
    int me = -1;
    for (unsigned int i = 0; i < this->parent->childwins.size(); i++)
        if (this->parent->childwins.at(i).window == this) {
            me = i;
            break;
        }

    // i have found me within my parents list
    if (me < 0) return false;

    // i am the currently focused child window?
    if ((int)this->parent->focusedChildWin == me) {
        if (checkparents)
            return this->parent->getFocus(checkparents);
        else
            return true;
    }
    else
        return false;
}

bool MMSWindow::handleNavigationForChildWins(MMSInputEvent *inputevent) {
    MMSWindow *candidate = NULL;
    int cand=-1;

    /* check if I have child windows */
    if (!(this->childwins.size() > this->focusedChildWin))
        return false;

    /* get access to the focused child window */
    MMSWindow *fWin = this->childwins.at(this->focusedChildWin).window;

    if (inputevent->type == MMSINPUTEVENTTYPE_KEYPRESS) {
        /* keyboard inputs */

        /* check if window names for navigation are set to the focused child window */
        switch (inputevent->key) {
            case MMSKEY_CURSOR_DOWN:
                candidate = fWin->getNavigateDownWindow();
                break;
            case MMSKEY_CURSOR_UP:
                candidate = fWin->getNavigateUpWindow();
                break;
            case MMSKEY_CURSOR_RIGHT:
                candidate = fWin->getNavigateRightWindow();
                break;
            case MMSKEY_CURSOR_LEFT:
                candidate = fWin->getNavigateLeftWindow();
                break;

            default:
                break;
        }
    }
    else {
        /* other inputs */

    }

    if (candidate) {
        /* check if candidate has something to focus */
        if (!candidate->getNumberOfFocusableWidgets())
            if (!candidate->getNumberOfFocusableChildWins())
                return false;

        /* i found a new window */
        if (candidate != fWin) {
            /* different from current focus */
            for(unsigned int i = 0; i < this->childwins.size(); i++) {
                if (childwins.at(i).window == candidate) {
                    cand = i;
                    break;
                }
            }
            if (cand < 0)
                return false;

            /* save focused widget from current window and remove the focus */
            removeChildWinFocus();

            /* new focused window */
            this->focusedChildWin = cand;

            /* restore focused widget to candidate window */
            restoreChildWinFocus(inputevent);

            return true;
        }
    }

    return false;
}


void MMSWindow::preCalcNavigation() {

    preCalcNaviLock.lock();

    if (!this->children.empty()) {
        /* for each focusable widget */
        for(unsigned int k = 0; k < this->children.size(); k++) {
            /* simulate that this widget has the focus */
            MMSWidget *fwidget = children.at(k);
            bool    b;
            string  s;

            if (!fwidget->getFocusable(b))
                continue;
            if (!b)
                continue;

            /* for up, down, left right keys */
            for(unsigned int j = 0; j < 4; j++) {
                MMSKeySymbol key = MMSKEY_NULL;
                switch (j) {
                    case 0:
                        key = MMSKEY_CURSOR_UP;
                        break;
                    case 1:
                        key = MMSKEY_CURSOR_DOWN;
                        break;
                    case 2:
                        key = MMSKEY_CURSOR_LEFT;
                        break;
                    case 3:
                        key = MMSKEY_CURSOR_RIGHT;
                        break;
                }

                /* searching for next widget to become the focus */
                MMSFBRectangle fGeom = fwidget->getGeometry();
                MMSWidget *candidate = NULL;
                double dgcode = MAXDGCODE;

                for(unsigned int i = 0; i < this->children.size(); i++) {
                    /* get widget */
                    MMSWidget *widget = children.at(i);

                    /* not for already focused widget */
                    if (i != k) {
                        /* its not the already focused one */
                        if (widget->getFocusable(b))
                            if (b) {
                                /* basically it can be focused */
                                MMSFBRectangle wGeom = widget->getGeometry();
                                double cand_dgcode = MAXDGCODE;

                                if (key == MMSKEY_CURSOR_DOWN)
                                    cand_dgcode = calculateDistGradCode_Down(fGeom, wGeom);
                                else
                                if (key == MMSKEY_CURSOR_UP)
                                    cand_dgcode = calculateDistGradCode_Up(fGeom, wGeom);
                                else
                                if (key == MMSKEY_CURSOR_RIGHT)
                                    cand_dgcode = calculateDistGradCode_Right(fGeom, wGeom);
                                else
                                if (key == MMSKEY_CURSOR_LEFT)
                                    cand_dgcode = calculateDistGradCode_Left(fGeom, wGeom);

                                /* new candidate? */
                                if (cand_dgcode < dgcode) {
                                    /* yes, make it to my new candidate */
                                    candidate = widget;
                                    dgcode = cand_dgcode;
                                }
                            }
                    }
                }

                if (candidate) {
                    /* i found a new widget */
                    if (key == MMSKEY_CURSOR_DOWN) {
                        if (!fwidget->getNavigateDown(s))
                            fwidget->setNavigateDownWidget(candidate);
                        else
                            if (s == "")
                                fwidget->setNavigateDownWidget(candidate);
                    } else
                    if (key == MMSKEY_CURSOR_UP) {
                        if (!fwidget->getNavigateUp(s))
                            fwidget->setNavigateUpWidget(candidate);
                        else
                            if (s == "")
                                fwidget->setNavigateUpWidget(candidate);
                    } else
                    if (key == MMSKEY_CURSOR_RIGHT) {
                        if (!fwidget->getNavigateRight(s))
                            fwidget->setNavigateRightWidget(candidate);
                        else
                            if (s == "")
                                fwidget->setNavigateRightWidget(candidate);
                    } else
                    if (key == MMSKEY_CURSOR_LEFT) {
                        if (!fwidget->getNavigateLeft(s))
                            fwidget->setNavigateLeftWidget(candidate);
                        else
                            if (s == "")
                                fwidget->setNavigateLeftWidget(candidate);
                    }
                }
            }
        }
    }
    else {
        /* no widgets, work for child windows */
        /* for each child window which have focusable widgets or child windows */
        for(unsigned int k = 0; k < this->childwins.size(); k++) {
            /* simulate that this window has the focus */
            MMSWindow *fWin = this->childwins.at(k).window;

            /* only for visible windows */
            if (!fWin->isShown())
                continue;

            /* search for shown parent */
            MMSWindow *p = this->parent;
            while (p) {
                if (!p->parent) {
                    p = NULL;
                    break;
                }
                if (!p->isShown())
                    break;
                p = p->parent;
            }
            if (p)
                continue;

            /* check if i have something to focus */
            if (!fWin->getNumberOfFocusableWidgets())
                if (!fWin->getNumberOfFocusableChildWins())
                    continue;

            /* for up, down, left right keys */
            for(unsigned int j = 0; j < 4; j++) {
                MMSKeySymbol key = MMSKEY_NULL;
                switch (j) {
                    case 0:
                        key = MMSKEY_CURSOR_UP;
                        break;
                    case 1:
                        key = MMSKEY_CURSOR_DOWN;
                        break;
                    case 2:
                        key = MMSKEY_CURSOR_LEFT;
                        break;
                    case 3:
                        key = MMSKEY_CURSOR_RIGHT;
                        break;
                }


                /* searching for child window to become the focus */
                MMSFBRectangle fGeom;
                fGeom.x = fWin->geom.x;
                fGeom.y = fWin->geom.y;
                fGeom.w = fWin->geom.w;
                fGeom.h = fWin->geom.h;
                MMSWindow *candidate = NULL;
                double dgcode = MAXDGCODE;

                for(unsigned int i = 0; i < this->childwins.size(); i++) {
                    /* get window */
                    MMSWindow *window = childwins.at(i).window;

                    /* only for visible windows */
                    if (!window->isShown())
                        continue;

                    /* not for already focused window */
                    if (i != k) {
                        /* its not the already focused one */
                        int fwd = window->getNumberOfFocusableWidgets();
                        int fwn = window->getNumberOfFocusableChildWins();
                        if ((fwd>0)||(fwn>0)) {
                            /* basically it can be focused */
                            MMSFBRectangle wGeom;
                            wGeom.x = window->geom.x;
                            wGeom.y = window->geom.y;
                            wGeom.w = window->geom.w;
                            wGeom.h = window->geom.h;
                            double cand_dgcode = MAXDGCODE;

                            if (key == MMSKEY_CURSOR_DOWN)
                                cand_dgcode = calculateDistGradCode_Down(fGeom, wGeom);
                            else
                            if (key == MMSKEY_CURSOR_UP)
                                cand_dgcode = calculateDistGradCode_Up(fGeom, wGeom);
                            else
                            if (key == MMSKEY_CURSOR_RIGHT)
                                cand_dgcode = calculateDistGradCode_Right(fGeom, wGeom);
                            else
                            if (key == MMSKEY_CURSOR_LEFT)
                                cand_dgcode = calculateDistGradCode_Left(fGeom, wGeom);

                            /* new candidate? */
                            if (cand_dgcode < dgcode) {
                                /* yes, make it to my new candidate */
                                candidate = window;
                                dgcode = cand_dgcode;

                                if (fwn>0) {
                                    preCalcNaviLock.unlock();
                                    window->preCalcNavigation();
                                    preCalcNaviLock.lock();
                                }
                            }
                        }
                    }
                }

                /* i found a new window */
                if (key == MMSKEY_CURSOR_DOWN) {
                    string s;
                    if (!fWin->getNavigateDown(s)) s = "";
                    if (s == "")
                        fWin->setNavigateDownWindow(candidate);
                } else
                if (key == MMSKEY_CURSOR_UP) {
                    string s;
                    if (!fWin->getNavigateUp(s)) s = "";
                    if (s == "")
                        fWin->setNavigateUpWindow(candidate);
                } else
                if (key == MMSKEY_CURSOR_RIGHT) {
                    string s;
                    if (!fWin->getNavigateRight(s)) s = "";
                    if (s == "")
                        fWin->setNavigateRightWindow(candidate);
                } else
                if (key == MMSKEY_CURSOR_LEFT) {
                    string s;
                    if (!fWin->getNavigateLeft(s)) s = "";
                    if (s == "")
                        fWin->setNavigateLeftWindow(candidate);
                }
            }
        }
    }

    preCalcNaviLock.unlock();
}


bool MMSWindow::handleInput(MMSInputEvent *inputevent) {
    bool ret = true;
    bool navigate = false;

    if (this->shown == false || this->willshow || this->willhide) {
        return false;
    }

/*
    printf("111111111111111111111> %08x %s\n", this, name.c_str());
    getWindowManager()->printStack();
    printf("111111111111111111111<\n");
*/
        //check childwindows
        if(this->childwins.empty()) {
            if(onBeforeHandleInput->emit(this,inputevent)) {
                return true;
            }
        } else {
            try {
                if(onBeforeHandleInput->emit(this->childwins.at(this->focusedChildWin).window,inputevent)) {
                    return true;
                }
            } catch(std::exception&) {
                return true;
            }
        }
/*
    printf("22222222222222222>\n");
    getWindowManager()->printStack();
    printf("22222222222222222<\n");
*/
        if (inputevent->type == MMSINPUTEVENTTYPE_KEYPRESS) {
            // keyboard inputs
            try {
                if(this->focusedwidget != NULL) {
                    this->focusedwidget->handleInput(inputevent);

                    switch(inputevent->key) {
                        case MMSKEY_CURSOR_DOWN:
                        case MMSKEY_CURSOR_LEFT:
                        case MMSKEY_CURSOR_RIGHT:
                        case MMSKEY_CURSOR_UP:
                            // set the arrow widgets
                            switchArrowWidgets();
                            break;
                        default:
                            break;
                    }

                    return true;
                }
                else
                if (this->childwins.size() > this->focusedChildWin) {
                    // get the focus to my focused child window
//                  logger.writeLog("try to execute input on childwindow");
                    if (!this->childwins.at(this->focusedChildWin).window->handleInput(inputevent)) {
                        // childwin cannot navigate further, so try to find the next childwin
                        bool modal = false;
                        ((MMSChildWindow*)this->childwins.at(this->focusedChildWin).window)->getModal(modal);
                        if (!modal)
                            // currently focused child window is NOT marked as modal, so try to change the focus
                            this->handleNavigationForChildWins(inputevent);

                        return false;
                    }

                    // set the arrow widgets
                    switchArrowWidgets();

                    return true;
                }
                else {
                    //throw MMSWidgetError(1,"navigate");
                     navigate=true;
                }

            } catch (MMSWidgetError &err) {
                if(err.getCode() == 1) {
                    printf("missed navigation exception 1\n");
                    navigate=true;
                }
            }
            if(navigate) {
                /* test if navigation must be done */
                ret = true;
                switch(inputevent->key) {
                    /* handle navigation */
                    case MMSKEY_CURSOR_DOWN:
                    case MMSKEY_CURSOR_LEFT:
                    case MMSKEY_CURSOR_RIGHT:
                    case MMSKEY_CURSOR_UP:
//                          logger.writeLog("widget threw a exception so try to navigate");
                        ret = this->handleNavigationForWidgets(inputevent);

                        /* set the arrow widgets */
                        switchArrowWidgets();

                        break;
                    default:
                        /* input is no navigation */
                        ret = false;
                        break;
                }

                /* call handle input callback */
                onHandleInput->emit(this, inputevent);
            }

        }
        else
        if (inputevent->type == MMSINPUTEVENTTYPE_KEYRELEASE) {
            /* call handle input callback */
            onHandleInput->emit(this, inputevent);
        }
        else
        if (inputevent->type == MMSINPUTEVENTTYPE_BUTTONPRESS) {
            // button pressed
            try {
                if (this->children.size()) {
                    // searching for the right widget to get the focus
                    int posx = inputevent->posx;
                    int posy = inputevent->posy;
                    bool b;
                    for (unsigned int j = 0; j < this->children.size(); j++) {
                        MMSWidget *w = this->children.at(j);
                        if (!w->getClickable(b))
                            continue;
                        if (!b)
                            continue;
                        if (!w->isActivated())
                            continue;

                        MMSFBRectangle rect = this->children.at(j)->getGeometry();
                        if ((posx >= rect.x)&&(posy >= rect.y)
                          &&(posx < rect.x + rect.w)&&(posy < rect.y + rect.h)) {
                            // this is the widget under the pointer
                            string inputmode = "";
                            w->getInputModeEx(inputmode);
                            if (strToUpr(inputmode) != "CLICK") {
                                // e.g. remote control
                                w->getFocusable(b);
                                if ((b)&&(w != this->focusedwidget)) {
                                    // set focus to this widget
                                    DEBUGMSG("MMSGUI", "try to change focus");

                                    // set focused widget
                                    setFocusedWidget(w, true, true, true);
                                }

                                DEBUGMSG("MMSGUI", "try to execute input on widget");
                                this->buttonpress_widget = w;
                                this->buttonpress_widget->handleInput(inputevent);
                            }
                            else {
                                // e.g. touch
                                w->getFocusable(b);
                                if (b) {
                                    if (w != this->focusedwidget) {
                                        // set focus to this widget
                                        DEBUGMSG("MMSGUI", "try to change focus");
                                    }

                                    // set focused widget
                                    // note, that we do not refresh the screen, because widget::handleInput() was
                                    // called which will do this task
                                    setFocusedWidget(w, true, true, false);
                                }

                                DEBUGMSG("MMSGUI", "try to execute input on widget");
                                this->buttonpress_widget = w;
                                this->buttonpress_widget->handleInput(inputevent);
                            }


                            // set the arrow widgets
                            switchArrowWidgets();

                            return true;
                        }
                    }

                    // no widget found
                    this->buttonpress_widget = NULL;

                    // call handle input callback
                    onHandleInput->emit(this, inputevent);
                    return true;
                    //throw MMSWidgetError(1,"no focusable widget found");
                }
                else
                if (this->childwins.size() > this->focusedChildWin) {
                    bool modal = false;
                    if (this->childwins.at(this->focusedChildWin).window->isShown())
                        this->childwins.at(this->focusedChildWin).window->getModal(modal);

                    if (!modal) {
                        /* searching for the right childwin to get the focus */
                        int posx = inputevent->posx;
                        int posy = inputevent->posy;
    //                  for (unsigned int j = 0; j < this->childwins.size(); j++) {
                        for (int j = (int)this->childwins.size()-1; j >= 0; j--) {
                            // get access to the window
                            MMSWindow *window = this->childwins.at(j).window;

                            // shown?
                            if (!window->isShown()) {
                                // no, ignoring it
                                continue;
                            }

                            // focusable?
                            bool focusable = false;
                            window->getFocusable(focusable);
                            if (!focusable) {
                                // no, ignoring it
                                continue;
                            }

                            // check if the window is under the pointer
                            MMSFBRectangle rect = window->getGeometry();
                            if ((posx >= rect.x)&&(posy >= rect.y)
                              &&(posx < rect.x + rect.w)&&(posy < rect.y + rect.h)) {
                                // this is the childwin under the pointer
                                if (!window->getFocus()) {
    //                              bool modal = false;
    //                              ((MMSChildWindow*)this->childwins.at(this->focusedChildWin).window)->getModal(modal);
    //                              if (modal)
                                        // currently focused child window is marked as modal, so do not change the focus
    //                                  continue;

                                    if (window->getNumberOfFocusableWidgets(true)>0)
                                    {
                                        /* set focus to this childwin */
                                        DEBUGMSG("MMSGUI", "try to change focus");
                                        window->setFocus();
                                    }
                                }

                                // normalize the pointer position
                                inputevent->posx-=rect.x;
                                inputevent->posy-=rect.y;

                                DEBUGMSG("MMSGUI", "try to execute input on childwin");
                                this->buttonpress_childwin = window;
                                window->handleInput(inputevent);

                                // set the arrow widgets
                                switchArrowWidgets();

                                return true;
                            }
                        }

                        // no childwin found
                        this->buttonpress_childwin = NULL;
                        throw MMSWidgetError(1,"no focusable childwin found");
                    }
                    else {
                        // modal window is active
                        //int posx = inputeventset->at(i).posx;
                        //int posy = inputeventset->at(i).posy;
                        MMSFBRectangle rect = this->childwins.at(this->focusedChildWin).window->getGeometry();

                        inputevent->posx-=rect.x;
                        inputevent->posy-=rect.y;

                        DEBUGMSG("MMSGUI", "try to execute input on childwin");
                        this->buttonpress_childwin = this->childwins.at(this->focusedChildWin).window;
                        this->childwins.at(this->focusedChildWin).window->handleInput(inputevent);

                        // set the arrow widgets
                        switchArrowWidgets();

                        return true;
                    }
                }
                else {
                    //throw MMSWidgetError(1,"navigate, buttonpress");
                    navigate=true;
                }

            } catch (MMSWidgetError &err) {
                if(err.getCode() == 1) {
                    printf("missed navigation exception 2\n");
                    navigate=true;
                }
            }
            if(navigate) {
                /* test if navigation must be done */
                ret = true;

                /* call handle input callback */
                onHandleInput->emit(this, inputevent);
            }

        }
        else
        if   ((inputevent->type == MMSINPUTEVENTTYPE_BUTTONRELEASE)
            ||(inputevent->type == MMSINPUTEVENTTYPE_AXISMOTION)) {
            /* button released */
            try {
                if (this->children.size()) {
                    // window with widgets
                    if (this->buttonpress_widget) {
                        DEBUGMSG("MMSGUI", "try to execute input on widget");
                        this->buttonpress_widget->handleInput(inputevent);

                        if (inputevent->type == MMSINPUTEVENTTYPE_BUTTONRELEASE)
                            this->buttonpress_widget = NULL;

                        // set the arrow widgets
                        switchArrowWidgets();

                        return true;
                    }
                    else {
                        return false;
                    }
                }
                else
                if (this->childwins.size() > this->focusedChildWin) {
                    // window with childwindows
                    if (this->buttonpress_childwin) {
                        /* normalize the pointer position */
                        MMSFBRectangle rect = this->buttonpress_childwin->getGeometry();
                        inputevent->posx-=rect.x;
                        inputevent->posy-=rect.y;

                        DEBUGMSG("MMSGUI", "try to execute input on childwin");
                        bool rc = this->buttonpress_childwin->handleInput(inputevent);

                        if (inputevent->type == MMSINPUTEVENTTYPE_BUTTONRELEASE)
                            this->buttonpress_childwin = NULL;

                        // set the arrow widgets
                        switchArrowWidgets();

                        return rc;
                    }
                    else {
                        return false;
                    }
                }
                else {
//                  throw MMSWidgetError(1,"navigate, buttonrelease");

                    // window without widgets and childwindows, e.g. video/flash windows

                    // call handle input callback
                    return onHandleInput->emit(this, inputevent);
                }

            } catch (MMSWidgetError &err) {
                if(err.getCode() == 1) {
                    /* test if navigation must be done */
                    ret = true;

                    /* call handle input callback */
                    onHandleInput->emit(this, inputevent);
                }
            }
        }

    return ret;
}

MMSFBRectangle MMSWindow::getGeometry() {
    return this->geom;
}

MMSFBRectangle MMSWindow::getRealGeometry() {
    /* childwin? */
    if (!this->parent)
        return this->geom;

    /* yes */
    MMSFBRectangle r1,r2;
    r1 = this->geom;
    r2 = this->parent->getRealGeometry();
    r1.x+=r2.x;
    r1.y+=r2.y;
    return r1;
}


MMSWidget *MMSWindow::getFocusedWidget() {
    return this->focusedwidget;
}

int MMSWindow::getNumberOfFocusableWidgets(bool cw) {
    int     cnt = 0;
    bool    b;

    if (!children.empty()) {
        for (unsigned int i = 0; i < children.size(); i++)
            if (children.at(i)->getFocusable(b))
                if (b)
                    cnt++;
    }
    else {
        if (cw) {
            for (unsigned int i = 0; i < childwins.size(); i++)
                cnt += childwins.at(i).window->getNumberOfFocusableWidgets(cw);
        }
    }

    return cnt;
}

int MMSWindow::getNumberOfFocusableChildWins() {
    int cnt = 0;

    for (unsigned int i = 0; i < childwins.size(); i++)
        if (childwins.at(i).window->getNumberOfFocusableWidgets()>0)
            cnt++;
        else
            cnt+=childwins.at(i).window->getNumberOfFocusableChildWins();

    return cnt;
}


void MMSWindow::setWindowManager(IMMSWindowManager *wm) {
    if (this->windowmanager != wm) {
        DEBUGMSG("MMSGUI", "windowmanager != wm");
        /* set new window manager */
        if (this->windowmanager != NULL) {
            DEBUGMSG("MMSGUI", "windowmanager != NULL");
            this->windowmanager = wm;
            /* and add the window to it */
            if (this->windowmanager) {
                DEBUGMSG("MMSGUI", "windowmanager->addWindow");
                this->windowmanager->addWindow(this);
            }
        }
        else {
            this->windowmanager = wm;
            DEBUGMSG("MMSGUI", "resize");
            this->resize();
        }
    }
}

bool MMSWindow::isShown(bool checkparents, bool checkopacity) {
    if (!this->shown) return false;
    if (this->buffered_shown) return false;
    if (checkopacity) {
        unsigned int opacity;
        this->getOpacity(opacity);
        if (!opacity) return false;
    }
    if ((checkparents)&&(this->parent)) return this->parent->isShown(true, checkopacity);
    return true;
}



bool MMSWindow::willHide() {
    return this->willhide;
}

void MMSWindow::instantShow() {
    unsigned int opacity;
    if (!getOpacity(opacity)) opacity = 255;

    if (!parent) {
        /* normal window */
        if (this->window) {
            this->window->show();
            this->window->setOpacity(opacity);
        }
    }
    else {
        /* child window */
        this->parent->setChildWindowOpacity(this, opacity);
    }
}

void MMSWindow::instantHide() {
    if (!parent) {
        // normal window
        if (this->windowmanager)
            this->windowmanager->removeWindowFromToplevel(this);
        if (isShown())
            if (this->window) {
                this->window->setOpacity(0);
                this->window->hide();
            }
    }
    else {
        // child window
        if (isShown()) {
            removeFocusFromChildWindow();
            this->parent->setChildWindowOpacity(this, 0);
        }
    }
}


void MMSWindow::setWidgetGeometryOnNextDraw() {
    this->draw_setgeom = true;
}

void MMSWindow::targetLangChanged(MMSLanguage lang, bool refresh) {
    // for all child windows
    for (unsigned int i = 0; i < this->childwins.size(); i++) {
        this->childwins.at(i).window->targetLangChanged(lang, false);
    }

    // for my own children (widgets)
    for (unsigned int i = 0; i < this->children.size(); i++)
        switch (this->children.at(i)->getType()) {
        case MMSWIDGETTYPE_LABEL:
            ((MMSLabelWidget *)this->children.at(i))->targetLangChanged(lang);
            break;
        case MMSWIDGETTYPE_TEXTBOX:
            ((MMSTextBoxWidget *)this->children.at(i))->targetLangChanged(lang);
            break;
        case MMSWIDGETTYPE_INPUT:
            ((MMSInputWidget *)this->children.at(i))->targetLangChanged(lang);
            break;
        default:
            break;
        }

    // window needs to be redrawn
    // this is especially required for child windows with own_surface="true"
    this->need_redraw = true;

    // refresh it
    if (refresh) {
        this->refresh();
    }
}

void MMSWindow::themeChanged(string &themeName, bool refresh) {
    // for all child windows
    for (unsigned int i = 0; i < this->childwins.size(); i++) {
        this->childwins.at(i).window->themeChanged(themeName, false);
    }

    // for my own children (widgets)
    for (unsigned int i = 0; i < this->children.size(); i++) {
        this->children.at(i)->themeChanged(themeName);
    }

    // delete images, ...
    release();

    // refresh it
    if (refresh)
        this->refresh();
}



MMSWidget* MMSWindow::findWidget(string name) {
    MMSWidget *widget;

    if (name == "") {
        // empty name
        return NULL;
    }

    // for all child windows
    for (unsigned int i = 0; i < childwins.size(); i++)
        if ((widget = childwins.at(i).window->findWidget(name)))
            return widget;

    // for my own children (widgets)
    for (unsigned int i = 0; i < children.size(); i++)
        if (children.at(i)->getName() == name)
            return children.at(i);

    return NULL;
}

MMSWidget* MMSWindow::findWidgetType(MMSWIDGETTYPE type) {
    MMSWidget *widget;

    /* for all child windows */
    for (unsigned int i = 0; i < childwins.size(); i++)
        if ((widget = childwins.at(i).window->findWidgetType(type)))
            return widget;

    /* first, my own children */
    for (unsigned int i = 0; i < children.size(); i++)
        if (children.at(i)->getType() == type)
            return children.at(i);

    /* second, call search method of my children */
    for (unsigned int i = 0; i < children.size(); i++)
        if ((widget = children.at(i)->findWidgetType(type)))
            return widget;

    return NULL;
}

MMSWidget* MMSWindow::findWidgetAndType(string name, MMSWIDGETTYPE type) {
    MMSWidget *widget;

    if ((widget = findWidget(name))) {
        // root widget found, find child widget with type
        if (widget->getType() == type) {
            // found root widget has the correct type
            return widget;
        }
        else {
            // find the type within root's children
            return widget->findWidgetType(type);
        }
    }

    return NULL;
}

MMSWidget* MMSWindow::operator[](string name) {
    MMSWidget *widget;

    if (name.empty()) {
        if (children.size() > 0)
            return children.at(0);
    }

    if ((widget = findWidget(name)))
        return widget;

    throw MMSWidgetError(1, "widget " + name + " not found");
}


MMSWindow *MMSWindow::getNavigateUpWindow() {
    return navigateUpWindow;
}

MMSWindow *MMSWindow::getNavigateDownWindow() {
    return navigateDownWindow;
}

MMSWindow *MMSWindow::getNavigateLeftWindow() {
    return navigateLeftWindow;
}

MMSWindow *MMSWindow::getNavigateRightWindow() {
    return navigateRightWindow;
}

void MMSWindow::setNavigateUpWindow(MMSWindow *upWindow) {
    navigateUpWindow = upWindow;
}

void MMSWindow::setNavigateDownWindow(MMSWindow *downWindow) {
    navigateDownWindow = downWindow;
}

void MMSWindow::setNavigateRightWindow(MMSWindow *rightWindow) {
    navigateRightWindow = rightWindow;
}

void MMSWindow::setNavigateLeftWindow(MMSWindow *leftWindow) {
    navigateLeftWindow = leftWindow;
}



unsigned int MMSWindow::printStack(char *buffer, int space) {
    char *ptr = buffer + space;
    int cnt;

    // name of window
    if (!this->name.empty())
        cnt = sprintf(ptr, "%s", this->name.c_str());
    else
        cnt = sprintf(ptr, "<noname>");
    if (cnt > 32 - space) cnt = 32 - space;
    ptr[cnt] = ' ';
    ptr+=33 - space;

    // this ptr
    cnt = sprintf(ptr, "%p", this);
    ptr[cnt] = ' ';
    ptr+=9;

    // shown/focused state
    if (this->isShown()) {
        if (!this->isShown(true, true)) {
            if (!this->getFocus(true))
                cnt = sprintf(ptr, "shown");
            else
                cnt = sprintf(ptr, "shown/focus");
        }
        else {
            if (!this->getFocus(true))
                cnt = sprintf(ptr, "visible");
            else
                cnt = sprintf(ptr, "visible/focus");
        }
    }
    else {
        if (!this->getFocus(true))
            cnt = sprintf(ptr, "hidden");
        else
            cnt = sprintf(ptr, "hidden/focus");
    }
    ptr[cnt] = ' ';
    ptr+=14;

    // opacity
    unsigned int opacity;
    getOpacity(opacity);
    cnt = sprintf(ptr, "%02x", opacity);
    ptr[cnt] = ' ';
    ptr+=8;

    // opacity
    bool ownsurface;
    getOwnSurface(ownsurface);
    cnt = sprintf(ptr, "%s", (ownsurface)?"true":"false");
    ptr[cnt] = ' ';
    ptr+=12;

    // line feed
    cnt = sprintf(ptr, "\n");
    ptr[cnt] = ' ';
    ptr+= cnt;

    // through child windows, from top to bottom
    for (unsigned int i = this->childwins.size(); i > 0; i--) {
        ptr += this->childwins.at(i-1).window->printStack(ptr, space + 1);
    }

    return (unsigned int)(ptr - buffer);
}


/***********************************************/
/* begin of theme access methods (get methods) */
/***********************************************/

#define GETWINDOW(x,y) \
    if (this->myWindowClass.is##x()) return myWindowClass.get##x(y); \
    else if ((windowClass)&&(windowClass->is##x())) return windowClass->get##x(y); \
    else return baseWindowClass->get##x(y);


bool MMSWindow::getAlignment(MMSALIGNMENT &alignment) {
    GETWINDOW(Alignment, alignment);
}

bool MMSWindow::getDx(string &dx) {
    GETWINDOW(Dx, dx);
}

int MMSWindow::getDxPix() {
    return this->dxpix;
}

bool MMSWindow::getDy(string &dy) {
    GETWINDOW(Dy, dy);
}

int MMSWindow::getDyPix() {
    return this->dypix;
}

bool MMSWindow::getWidth(string &width) {
    GETWINDOW(Width, width);
}

bool MMSWindow::getHeight(string &height) {
    GETWINDOW(Height, height);
}

bool MMSWindow::getBgColor(MMSFBColor &bgcolor) {
    GETWINDOW(BgColor, bgcolor);
}

bool MMSWindow::getBgImagePath(string &bgimagepath) {
    GETWINDOW(BgImagePath, bgimagepath);
}

bool MMSWindow::getBgImageName(string &bgimagename) {
    GETWINDOW(BgImageName, bgimagename);
}

bool MMSWindow::getOpacity(unsigned int &opacity) {
    GETWINDOW(Opacity, opacity);
}

bool MMSWindow::getFadeIn(bool &fadein) {
    GETWINDOW(FadeIn, fadein);
}

bool MMSWindow::getFadeOut(bool &fadeout) {
    GETWINDOW(FadeOut, fadeout);
}

bool MMSWindow::getDebug(bool &debug) {
    GETWINDOW(Debug, debug);
}

bool MMSWindow::getMargin(unsigned int &margin) {
    GETWINDOW(Margin, margin);
}

bool MMSWindow::getUpArrow(string &uparrow) {
    GETWINDOW(UpArrow, uparrow);
}

bool MMSWindow::getDownArrow(string &downarrow) {
    GETWINDOW(DownArrow, downarrow);
}

bool MMSWindow::getLeftArrow(string &leftarrow) {
    GETWINDOW(LeftArrow, leftarrow);
}

bool MMSWindow::getRightArrow(string &rightarrow) {
    GETWINDOW(RightArrow, rightarrow);
}

bool MMSWindow::getNavigateUp(string &navigateup) {
    GETWINDOW(NavigateUp, navigateup);
}

bool MMSWindow::getNavigateDown(string &navigatedown) {
    GETWINDOW(NavigateDown, navigatedown);
}

bool MMSWindow::getNavigateLeft(string &navigateleft) {
    GETWINDOW(NavigateLeft, navigateleft);
}

bool MMSWindow::getNavigateRight(string &navigateright) {
    GETWINDOW(NavigateRight, navigateright);
}

bool MMSWindow::getOwnSurface(bool &ownsurface) {
    GETWINDOW(OwnSurface, ownsurface);
}

bool MMSWindow::getMoveIn(MMSDIRECTION &movein) {
    GETWINDOW(MoveIn, movein);
}

bool MMSWindow::getMoveOut(MMSDIRECTION &moveout) {
    GETWINDOW(MoveOut, moveout);
}

bool MMSWindow::getModal(bool &modal) {
    GETWINDOW(Modal, modal);
}

bool MMSWindow::getStaticZOrder(bool &staticzorder) {
    GETWINDOW(StaticZOrder, staticzorder);
}

bool MMSWindow::getAlwaysOnTop(bool &alwaysontop) {
    GETWINDOW(AlwaysOnTop, alwaysontop);
}

bool MMSWindow::getFocusable(bool &focusable) {
    GETWINDOW(Focusable, focusable);
}

bool MMSWindow::getBackBuffer(bool &backbuffer) {
    GETWINDOW(BackBuffer, backbuffer);
}

bool MMSWindow::getInitialLoad(bool &initialload) {
    GETWINDOW(InitialLoad, initialload);
}


#define GETBORDER(x,y) \
    if (this->myWindowClass.border.is##x()) return myWindowClass.border.get##x(y); \
    else if ((windowClass)&&(windowClass->border.is##x())) return windowClass->border.get##x(y); \
    else return baseWindowClass->border.get##x(y);

#define GETBORDER_IMAGES(x,p,y) \
    if (this->myWindowClass.border.is##x()) return myWindowClass.border.get##x(p,y); \
    else if ((windowClass)&&(windowClass->border.is##x())) return windowClass->border.get##x(p,y); \
    else return baseWindowClass->border.get##x(p,y);


bool MMSWindow::getBorderColor(MMSFBColor &color) {
    GETBORDER(Color, color);
}

bool MMSWindow::getBorderImagePath(string &imagepath) {
    GETBORDER(ImagePath, imagepath);
}

bool MMSWindow::getBorderImageNames(MMSBORDER_IMAGE_NUM num, string &imagename) {
    GETBORDER_IMAGES(ImageNames, num, imagename);
}

bool MMSWindow::getBorderThickness(unsigned int &thickness) {
    GETBORDER(Thickness, thickness);
}

bool MMSWindow::getBorderMargin(unsigned int &margin) {
    GETBORDER(Margin, margin);
}

bool MMSWindow::getBorderRCorners(bool &rcorners) {
    GETBORDER(RCorners, rcorners);
}

/***********************************************/
/* begin of theme access methods (set methods) */
/***********************************************/

void MMSWindow::setAlignment(MMSALIGNMENT alignment, bool refresh, bool resize) {
    myWindowClass.setAlignment(alignment);
    if (resize)
        this->resize();
    if (refresh)
        this->refresh();
}

void MMSWindow::setDx(string dx, bool refresh, bool resize) {
    myWindowClass.setDx(dx);
    if (resize)
        this->resize();
    if (refresh)
        this->refresh();
}

void MMSWindow::setDxPix(int dx, bool refresh, bool resize) {
    string s = iToStr(dx) + "px";
    setDx(s, refresh, resize);
}

void MMSWindow::setDy(string dy, bool refresh, bool resize) {
    myWindowClass.setDy(dy);
    if (resize)
        this->resize();
    if (refresh)
        this->refresh();
}

void MMSWindow::setDyPix(int dy, bool refresh, bool resize) {
    string s = iToStr(dy) + "px";
    setDy(s, refresh, resize);
}

void MMSWindow::setWidth(string width, bool refresh, bool resize) {
    myWindowClass.setWidth(width);
    if (resize)
        this->resize();
    if (refresh)
        this->refresh();
}

void MMSWindow::setHeight(string height, bool refresh, bool resize) {
    myWindowClass.setHeight(height);
    if (resize)
        this->resize();
    if (refresh)
        this->refresh();
}

void MMSWindow::setBgColor(MMSFBColor bgcolor, bool refresh) {
    myWindowClass.setBgColor(bgcolor);
    if (refresh)
        this->refresh();
}

void MMSWindow::setBgImagePath(string bgimagepath, bool load, bool refresh) {
    myWindowClass.setBgImagePath(bgimagepath);
    if (!this->bgimage_from_external) {
        if (this->initialized) {
            if (load) {
                im->releaseImage(this->bgimage);
                string path, name;
                if (!getBgImagePath(path)) path = "";
                if (!getBgImageName(name)) name = "";
                this->bgimage = im->getImage(path, name);
            }
            if (refresh)
                this->refresh();
        }
    }
}

void MMSWindow::setBgImageName(string bgimagename, bool load, bool refresh) {
    myWindowClass.setBgImageName(bgimagename);
    if (!this->bgimage_from_external) {
        if (this->initialized) {
            if (load) {
                im->releaseImage(this->bgimage);
                string path, name;
                if (!getBgImagePath(path)) path = "";
                if (!getBgImageName(name)) name = "";
                this->bgimage = im->getImage(path, name);
            }
            if (refresh)
                this->refresh();
        }
    }
}


void MMSWindow::setBgImage(MMSFBSurface *bgimage, bool refresh) {
    if (!this->bgimage_from_external) {
        if (this->initialized) {
            im->releaseImage(this->bgimage);
            this->bgimage = NULL;
        }
    }

    // set external pointer to bgimage
    this->bgimage = bgimage;
    this->bgimage_from_external = true;

    if (refresh)
        this->refresh();
}


void MMSWindow::setOpacity(unsigned int opacity, bool refresh) {
    unsigned int op = 0;

    getOpacity(op);

    if (op == opacity)
        return;

    myWindowClass.setOpacity(opacity);

    if (!this->parent) {
        if (this->window)
            this->window->setOpacity(opacity);
    }
    else {
        this->parent->setChildWindowOpacity(this, opacity, refresh);
    }
}

void MMSWindow::setFadeIn(bool fadein) {
    myWindowClass.setFadeIn(fadein);
}

void MMSWindow::setFadeOut(bool fadeout) {
    myWindowClass.setFadeOut(fadeout);
}

void MMSWindow::setDebug(bool debug, bool refresh) {
    myWindowClass.setDebug(debug);
    if (refresh)
        this->refresh();
}

void MMSWindow::setMargin(unsigned int margin, bool refresh, bool resize) {
    myWindowClass.setMargin(margin);
    if (resize)
        this->resize();
    if (refresh)
        this->refresh();
}

void MMSWindow::setUpArrow(string uparrow, bool refresh) {
    myWindowClass.setUpArrow(uparrow);
    upArrowWidget = NULL;
    if (refresh)
        this->refresh();
}

void MMSWindow::setDownArrow(string downarrow, bool refresh) {
    myWindowClass.setDownArrow(downarrow);
    downArrowWidget = NULL;
    if (refresh)
        this->refresh();
}

void MMSWindow::setLeftArrow(string leftarrow, bool refresh) {
    myWindowClass.setLeftArrow(leftarrow);
    leftArrowWidget = NULL;
    if (refresh)
        this->refresh();
}

void MMSWindow::setRightArrow(string rightarrow, bool refresh) {
    myWindowClass.setRightArrow(rightarrow);
    rightArrowWidget = NULL;
    if (refresh)
        this->refresh();
}

void MMSWindow::setNavigateUp(string navigateup) {
    myWindowClass.setNavigateUp(navigateup);
    this->navigateUpWindow = NULL;
    if ((this->parent)&&(navigateup!=""))
        this->navigateUpWindow = this->parent->findWindow(navigateup);
}

void MMSWindow::setNavigateDown(string navigatedown) {
    myWindowClass.setNavigateDown(navigatedown);
    this->navigateDownWindow = NULL;
    if ((this->parent)&&(navigatedown!=""))
        this->navigateDownWindow = this->parent->findWindow(navigatedown);
}

void MMSWindow::setNavigateLeft(string navigateleft) {
    myWindowClass.setNavigateLeft(navigateleft);
    this->navigateLeftWindow = NULL;
    if ((this->parent)&&(navigateleft!=""))
        this->navigateLeftWindow = this->parent->findWindow(navigateleft);
}

void MMSWindow::setNavigateRight(string navigateright) {
    myWindowClass.setNavigateRight(navigateright);
    this->navigateRightWindow = NULL;
    if ((this->parent)&&(navigateright!=""))
        this->navigateRightWindow = this->parent->findWindow(navigateright);
}

void MMSWindow::setOwnSurface(bool ownsurface) {
    myWindowClass.setOwnSurface(ownsurface);
}

void MMSWindow::setMoveIn(MMSDIRECTION movein) {
    myWindowClass.setMoveIn(movein);
}

void MMSWindow::setMoveOut(MMSDIRECTION moveout) {
    myWindowClass.setMoveOut(moveout);
}

void MMSWindow::setModal(bool modal) {
    myWindowClass.setModal(modal);
}

void MMSWindow::setStaticZOrder(bool staticzorder) {
    myWindowClass.setStaticZOrder(staticzorder);
}

void MMSWindow::setAlwaysOnTop(bool alwaysontop) {
    // get current status
    bool aot = false;
    this->getAlwaysOnTop(aot);

    // status change?
    if (aot == alwaysontop)
        return;

    // set value
    lock();
    myWindowClass.setAlwaysOnTop(alwaysontop);

    // raise the window to the top of "normal" or "always on top" area in the childwins list
    PRINT_LOCK("call raiseToTop");
    raiseToTop();

    unlock();
}

void MMSWindow::setFocusable(bool focusable) {
    myWindowClass.setFocusable(focusable);
}

void MMSWindow::setBackBuffer(bool backbuffer) {
    myWindowClass.setBackBuffer(backbuffer);
}

void MMSWindow::setInitialLoad(bool initialload) {
    myWindowClass.setInitialLoad(initialload);
}

void MMSWindow::setBorderColor(MMSFBColor color, bool refresh) {
    myWindowClass.border.setColor(color);
    if (refresh)
        this->refresh();
}

void MMSWindow::setBorderImagePath(string imagepath, bool load, bool refresh) {
    myWindowClass.border.setImagePath(imagepath);
    if (this->initialized) {
        if (load) {
            string path, name;
            if (!getBorderImagePath(path)) path = "";
            for (int i=0;i<MMSBORDER_IMAGE_NUM_SIZE;i++) {
                im->releaseImage(this->borderimages[i]);
                if (!getBorderImageNames((MMSBORDER_IMAGE_NUM)i, name)) name = "";
                this->borderimages[i] = im->getImage(path, name);
            }
        }
        if (refresh)
            this->refresh();
    }
}

void MMSWindow::setBorderImageNames(string imagename_1, string imagename_2, string imagename_3, string imagename_4,
                                    string imagename_5, string imagename_6, string imagename_7, string imagename_8,
                                    bool load, bool refresh) {
    myWindowClass.border.setImageNames(imagename_1, imagename_2, imagename_3, imagename_4,
                                       imagename_5, imagename_6, imagename_7, imagename_8);
    if (this->initialized) {
        if (load) {
            string path, name;
            if (!getBorderImagePath(path)) path = "";
            for (int i=0;i<MMSBORDER_IMAGE_NUM_SIZE;i++) {
                im->releaseImage(this->borderimages[i]);
                if (!getBorderImageNames((MMSBORDER_IMAGE_NUM)i, name)) name = "";
                this->borderimages[i] = im->getImage(path, name);
            }
        }
        if (refresh)
            this->refresh();
    }
}

void MMSWindow::setBorderThickness(unsigned int thickness, bool refresh, bool resize) {
    myWindowClass.border.setThickness(thickness);
    if (resize)
        this->resize();
    if (refresh)
        this->refresh();
}

void MMSWindow::setBorderMargin(unsigned int margin, bool refresh, bool resize) {
    myWindowClass.border.setMargin(margin);
    if (resize)
        this->resize();
    if (refresh)
        this->refresh();
}

void MMSWindow::setBorderRCorners(bool rcorners, bool refresh) {
    myWindowClass.border.setRCorners(rcorners);
    if (refresh)
        this->refresh();
}

void MMSWindow::updateFromThemeClass(MMSWindowClass *themeClass) {

    MMSALIGNMENT    a;
    bool            b;
    MMSFBColor      c;
    MMSDIRECTION    d;
    string          s;
    unsigned int    u;

    if (themeClass->getAlignment(a))
        setAlignment(a, false, false);
    if (themeClass->getDx(s))
        setDx(s, false, false);
    if (themeClass->getDy(s))
        setDy(s, false, false);
    if (themeClass->getWidth(s))
        setWidth(s, false, false);
    if (themeClass->getHeight(s))
        setHeight(s, false, false);
    if (themeClass->getBgColor(c))
        setBgColor(c, false);
    if (themeClass->getBgImagePath(s))
        setBgImagePath(s, true, false);
    if (themeClass->getBgImageName(s))
        setBgImageName(s, true, false);
    if (themeClass->getOpacity(u))
        setOpacity(u, false);
    if (themeClass->getFadeIn(b))
        setFadeIn(b);
    if (themeClass->getFadeOut(b))
        setFadeOut(b);
    if (themeClass->getDebug(b))
        setDebug(b, false);
    if (themeClass->getMargin(u))
        setMargin(u, false, false);
    if (themeClass->getUpArrow(s))
        setUpArrow(s, false);
    if (themeClass->getDownArrow(s))
        setDownArrow(s, false);
    if (themeClass->getLeftArrow(s))
        setLeftArrow(s, false);
    if (themeClass->getRightArrow(s))
        setRightArrow(s, false);
    if (themeClass->getNavigateUp(s))
        setNavigateUp(s);
    if (themeClass->getNavigateDown(s))
        setNavigateDown(s);
    if (themeClass->getNavigateLeft(s))
        setNavigateLeft(s);
    if (themeClass->getNavigateRight(s))
        setNavigateRight(s);
    if (themeClass->getOwnSurface(b))
        setOwnSurface(b);
    if (themeClass->getMoveIn(d))
        setMoveIn(d);
    if (themeClass->getMoveOut(d))
        setMoveOut(d);
    if (themeClass->getModal(b))
        setModal(b);
    if (themeClass->getStaticZOrder(b))
        setStaticZOrder(b);
    if (themeClass->getAlwaysOnTop(b))
        setAlwaysOnTop(b);
    if (themeClass->getFocusable(b))
        setFocusable(b);
    if (themeClass->getBackBuffer(b))
        setBackBuffer(b);
    if (themeClass->getInitialLoad(b))
        setInitialLoad(b);
    if (themeClass->border.getColor(c))
        setBorderColor(c, false);
    if (themeClass->border.getImagePath(s))
        setBorderImagePath(s, true, false);
    if (themeClass->border.isImageNames()) {
        string s[8];
        themeClass->border.getImageNames(MMSBORDER_IMAGE_NUM_TOP_LEFT, s[0]);
        themeClass->border.getImageNames(MMSBORDER_IMAGE_NUM_TOP, s[1]);
        themeClass->border.getImageNames(MMSBORDER_IMAGE_NUM_TOP_RIGHT, s[2]);
        themeClass->border.getImageNames(MMSBORDER_IMAGE_NUM_RIGHT, s[3]);
        themeClass->border.getImageNames(MMSBORDER_IMAGE_NUM_BOTTOM_RIGHT, s[4]);
        themeClass->border.getImageNames(MMSBORDER_IMAGE_NUM_BOTTOM, s[5]);
        themeClass->border.getImageNames(MMSBORDER_IMAGE_NUM_BOTTOM_LEFT, s[6]);
        themeClass->border.getImageNames(MMSBORDER_IMAGE_NUM_LEFT, s[7]);
        setBorderImageNames(s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], true, false);
    }
    if (themeClass->border.getThickness(u))
        setBorderThickness(u, false, false);
    if (themeClass->border.getMargin(u))
        setBorderMargin(u, false, false);
    if (themeClass->border.getRCorners(b))
        setBorderRCorners(b, false);

    /* resize window and refresh */
    resize();
    refresh();
}

/***********************************************/
/* end of theme access methods                 */
/***********************************************/

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