src/video/directfb/SDL_DirectFB_window.c
author Bob Pendleton <bob@pendleton.com>
Fri, 09 Jan 2009 20:43:30 +0000
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2009 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include "SDL_syswm.h"
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#include "../SDL_sysvideo.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "SDL_DirectFB_video.h"
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int
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DirectFB_CreateWindow(_THIS, SDL_Window * window)
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{
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    SDL_DFB_DEVICEDATA(_this);
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    SDL_DFB_DISPLAYDATA(_this, window);
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    DFB_WindowData *windata;
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    DFBWindowOptions wopts;
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    DFBWindowDescription desc;
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    int ret, x, y;
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    SDL_DFB_DEBUG("Trace x %d y %d w %d h %d\n", window->x, window->y,
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                  window->w, window->h);
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    window->driverdata = NULL;
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    SDL_DFB_CALLOC(window->driverdata, 1, sizeof(DFB_WindowData));
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    windata = (DFB_WindowData *) window->driverdata;
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    SDL_DFB_CHECKERR(devdata->
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                     dfb->SetCooperativeLevel(devdata->dfb, DFSCL_NORMAL));
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    SDL_DFB_CHECKERR(dispdata->
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                     layer->SetCooperativeLevel(dispdata->layer,
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                                                DLSCL_ADMINISTRATIVE));
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    /* Fill the window description. */
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    if (window->x == SDL_WINDOWPOS_CENTERED) {
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        x = (dispdata->cw - window->w) / 2;
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    } else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
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        x = 0;
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    } else {
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        x = window->x;
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    }
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    if (window->y == SDL_WINDOWPOS_CENTERED) {
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        y = (dispdata->ch - window->h) / 2;
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    } else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
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        y = 0;
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    } else {
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        y = window->y;
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    }
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    if (window->flags & SDL_WINDOW_FULLSCREEN) {
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        x = 0;
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        y = 0;
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    }
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    desc.flags = DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_PIXELFORMAT;
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    /*| DWDESC_CAPS | DWDESC_SURFACE_CAPS */
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#if (DIRECTFB_MAJOR_VERSION == 1) && (DIRECTFB_MINOR_VERSION >= 0)
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    /* Needed for 1.2 */
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    desc.flags |= DWDESC_POSX | DWDESC_POSY | DWDESC_SURFACE_CAPS;
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    desc.posx = x;
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    desc.posy = y;
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#else
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    if (!(window->flags & SDL_WINDOW_FULLSCREEN)
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        && window->x != SDL_WINDOWPOS_UNDEFINED
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        && window->y != SDL_WINDOWPOS_UNDEFINED) {
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        desc.flags |= DWDESC_POSX | DWDESC_POSY;
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        desc.posx = x;
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        desc.posy = y;
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    }
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#endif
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    desc.width = window->w;
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    desc.height = window->h;
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    desc.pixelformat = dispdata->pixelformat;
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#if 0
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    desc.caps = 0;
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    desc.surface_caps =
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        DSCAPS_DOUBLE | DSCAPS_TRIPLE | DSCAPS_PREMULTIPLIED |
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        DSCAPS_VIDEOONLY;
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#endif
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    desc.surface_caps = DSCAPS_PREMULTIPLIED;
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    /* DSCAPS_VIDEOONLY has negative impact on performance */
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    /* Create the window. */
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    SDL_DFB_CHECKERR(dispdata->
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                     layer->CreateWindow(dispdata->layer, &desc,
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                                         &windata->window));
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    windata->window->GetOptions(windata->window, &wopts);
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#if (DIRECTFB_MAJOR_VERSION == 1) && (DIRECTFB_MINOR_VERSION >= 0)
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    if (window->flags & SDL_WINDOW_RESIZABLE)
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        wopts |= DWOP_SCALE;
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    else
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        wopts |= DWOP_KEEP_SIZE;
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#else
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    wopts |= DWOP_KEEP_SIZE;    /* if not we will crash ... */
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#endif
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    if (window->flags & SDL_WINDOW_FULLSCREEN)
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        wopts |= DWOP_KEEP_POSITION | DWOP_KEEP_STACKING | DWOP_KEEP_SIZE;
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    windata->window->SetOptions(windata->window, wopts);
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    /* Get the window's surface. */
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    SDL_DFB_CHECKERR(windata->
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                     window->GetSurface(windata->window, &windata->surface));
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    windata->window->SetOpacity(windata->window, 0xFF);
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    SDL_DFB_CHECKERR(windata->window->CreateEventBuffer(windata->window,
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                                                        &(windata->
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                                                          eventbuffer)));
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    SDL_DFB_CHECKERR(windata->
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                     window->EnableEvents(windata->window, DWET_ALL));
2737
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    if (window->flags & SDL_WINDOW_FULLSCREEN)
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        windata->window->SetStackingClass(windata->window, DWSC_UPPER);
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    /* Make it the top most window. */
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    windata->window->RaiseToTop(windata->window);
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   136
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    windata->window->GetID(windata->window, &windata->windowID);
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   138
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    windata->window->GetSize(windata->window, &window->w, &window->h);
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   140
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    /* remember parent */
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    windata->id = window->id;
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   143
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    /* Add to list ... */
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   145
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    windata->next = devdata->firstwin;
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    windata->opacity = 0xFF;
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    devdata->firstwin = windata;
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   149
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    return 0;
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  error:
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    SDL_DFB_RELEASE(windata->window);
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    SDL_DFB_RELEASE(windata->surface);
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    return -1;
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}
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int
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DirectFB_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
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{
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    SDL_Unsupported();
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    return -1;
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}
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void
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DirectFB_SetWindowTitle(_THIS, SDL_Window * window)
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{
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    SDL_Unsupported();
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}
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void
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DirectFB_SetWindowPosition(_THIS, SDL_Window * window)
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{
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    SDL_DFB_WINDOWDATA(window);
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    int x, y;
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    if (window->y == SDL_WINDOWPOS_UNDEFINED)
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        y = 0;
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    else
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        y = window->y;
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    if (window->x == SDL_WINDOWPOS_UNDEFINED)
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        x = 0;
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    else
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        x = window->x;
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   185
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    if (window->flags & SDL_WINDOW_FULLSCREEN) {
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        x = 0;
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        y = 0;
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    }
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   190
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    windata->window->MoveTo(windata->window, x, y);
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}
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void
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DirectFB_SetWindowSize(_THIS, SDL_Window * window)
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{
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    int ret;
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    SDL_DFB_WINDOWDATA(window);
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   199
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    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
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#if (DIRECTFB_MAJOR_VERSION == 1) && (DIRECTFB_MINOR_VERSION >= 0)
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        int cw;
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        int ch;
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   204
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        /* Make sure all events are disabled for this operation ! */
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        SDL_DFB_CHECKERR(windata->
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                         window->DisableEvents(windata->window, DWET_ALL));
2737
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   208
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   209
        SDL_DFB_CHECKERR(windata->window->GetSize(windata->window, &cw, &ch));
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   210
        if (cw != window->w || ch != window->h)
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            SDL_DFB_CHECKERR(windata->
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                             window->Resize(windata->window, window->w,
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                                            window->h));
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        SDL_DFB_CHECKERR(windata->
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   215
                         window->EnableEvents(windata->window, DWET_ALL));
2737
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   216
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   217
#else
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        SDL_DFB_CHECKERR(windata->
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                         window->Resize(windata->window, window->w,
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                                        window->h));
2737
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   221
#endif
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        SDL_DFB_CHECKERR(windata->window->GetSize(windata->window, &window->w, &window->h));    /* if a window manager should have decided otherwise */
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   223
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   224
        SDL_OnWindowResized(window);
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   225
    }
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   226
    return;
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   227
  error:
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   228
    windata->window->EnableEvents(windata->window, DWET_ALL);
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   229
    return;
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   230
}
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   231
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   232
void
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   233
DirectFB_ShowWindow(_THIS, SDL_Window * window)
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   234
{
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   235
    SDL_DFB_WINDOWDATA(window);
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   236
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   237
    windata->window->SetOpacity(windata->window, windata->opacity);
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   238
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   239
}
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   240
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   241
void
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   242
DirectFB_HideWindow(_THIS, SDL_Window * window)
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diff changeset
   243
{
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   244
    SDL_DFB_WINDOWDATA(window);
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   245
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   246
    windata->window->GetOpacity(windata->window, &windata->opacity);
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   247
    windata->window->SetOpacity(windata->window, 0);
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   248
}
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diff changeset
   249
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   250
void
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diff changeset
   251
DirectFB_RaiseWindow(_THIS, SDL_Window * window)
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   252
{
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   253
    SDL_DFB_WINDOWDATA(window);
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   254
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diff changeset
   255
    windata->window->RaiseToTop(windata->window);
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diff changeset
   256
    windata->window->RequestFocus(windata->window);
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diff changeset
   257
}
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void
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DirectFB_MaximizeWindow(_THIS, SDL_Window * window)
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{
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    /* FIXME: Size to Desktop ? */
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    SDL_Unsupported();
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}
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void
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DirectFB_MinimizeWindow(_THIS, SDL_Window * window)
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{
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    /* FIXME: Size to 32x32 ? */
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    SDL_Unsupported();
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}
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void
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DirectFB_RestoreWindow(_THIS, SDL_Window * window)
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{
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    SDL_Unsupported();
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}
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void
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DirectFB_SetWindowGrab(_THIS, SDL_Window * window)
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{
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    SDL_DFB_WINDOWDATA(window);
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    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
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        (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
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        windata->window->GrabPointer(windata->window);
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        windata->window->GrabKeyboard(windata->window);
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    } else {
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        windata->window->UngrabPointer(windata->window);
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        windata->window->UngrabKeyboard(windata->window);
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    }
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}
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void
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DirectFB_DestroyWindow(_THIS, SDL_Window * window)
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{
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    SDL_DFB_DEVICEDATA(_this);
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    SDL_DFB_WINDOWDATA(window);
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    DFB_WindowData *p;
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    SDL_DFB_DEBUG("Trace\n");
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    SDL_DFB_RELEASE(windata->eventbuffer);
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    SDL_DFB_RELEASE(windata->surface);
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    SDL_DFB_RELEASE(windata->window);
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    /* Remove from list ... */
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    p = devdata->firstwin;
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    while (p && p->next != windata)
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        p = p->next;
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    if (p)
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        p->next = windata->next;
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    else
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        devdata->firstwin = windata->next;
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    SDL_free(windata);
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    return;
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}
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   321
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SDL_bool
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   323
DirectFB_GetWindowWMInfo(_THIS, SDL_Window * window,
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                         struct SDL_SysWMinfo * info)
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{
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   326
    SDL_Unsupported();
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   327
    return SDL_FALSE;
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}