| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2012 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| 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 St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| /* Qtopia based framebuffer implementation */ |
| |
| #include <unistd.h> |
| |
| #include <qapplication.h> |
| #include <qpe/qpeapplication.h> |
| |
| #include "SDL_timer.h" |
| |
| #include "SDL_QWin.h" |
| |
| extern "C" { |
| |
| #include "../SDL_sysvideo.h" |
| #include "../../events/SDL_events_c.h" |
| #include "SDL_sysevents_c.h" |
| #include "SDL_sysmouse_c.h" |
| #include "SDL_syswm_c.h" |
| #include "SDL_lowvideo.h" |
| |
| //#define QTOPIA_DEBUG |
| #define QT_HIDDEN_SIZE 32 /* starting hidden window size */ |
| |
| /* Name of the environment variable used to invert the screen rotation or not: |
| Possible values: |
| !=0 : Screen is 270° rotated |
| 0: Screen is 90° rotated*/ |
| #define SDL_QT_ROTATION_ENV_NAME "SDL_QT_INVERT_ROTATION" |
| |
| /* Initialization/Query functions */ |
| static int QT_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| static SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| static SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| static void QT_UpdateMouse(_THIS); |
| static int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); |
| static void QT_VideoQuit(_THIS); |
| |
| /* Hardware surface functions */ |
| static int QT_AllocHWSurface(_THIS, SDL_Surface *surface); |
| static int QT_LockHWSurface(_THIS, SDL_Surface *surface); |
| static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| static void QT_FreeHWSurface(_THIS, SDL_Surface *surface); |
| |
| static int QT_ToggleFullScreen(_THIS, int fullscreen); |
| |
| static int QT_IconifyWindow(_THIS); |
| static SDL_GrabMode QT_GrabInput(_THIS, SDL_GrabMode mode); |
| |
| /* FB driver bootstrap functions */ |
| |
| static int QT_Available(void) |
| { |
| return(1); |
| } |
| |
| static void QT_DeleteDevice(SDL_VideoDevice *device) |
| { |
| SDL_free(device->hidden); |
| SDL_free(device); |
| } |
| |
| static SDL_VideoDevice *QT_CreateDevice(int devindex) |
| { |
| SDL_VideoDevice *device; |
| |
| /* Initialize all variables that we clean on shutdown */ |
| device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| if ( device ) { |
| SDL_memset(device, 0, (sizeof *device)); |
| device->hidden = (struct SDL_PrivateVideoData *) |
| SDL_malloc((sizeof *device->hidden)); |
| } |
| if ( (device == NULL) || (device->hidden == NULL) ) { |
| SDL_OutOfMemory(); |
| if ( device ) { |
| SDL_free(device); |
| } |
| return(0); |
| } |
| SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| |
| /* Set the function pointers */ |
| device->VideoInit = QT_VideoInit; |
| device->ListModes = QT_ListModes; |
| device->SetVideoMode = QT_SetVideoMode; |
| device->UpdateMouse = QT_UpdateMouse; |
| device->SetColors = QT_SetColors; |
| device->UpdateRects = NULL; |
| device->VideoQuit = QT_VideoQuit; |
| device->AllocHWSurface = QT_AllocHWSurface; |
| device->CheckHWBlit = NULL; |
| device->FillHWRect = NULL; |
| device->SetHWColorKey = NULL; |
| device->SetHWAlpha = NULL; |
| device->LockHWSurface = QT_LockHWSurface; |
| device->UnlockHWSurface = QT_UnlockHWSurface; |
| device->FlipHWSurface = NULL; |
| device->FreeHWSurface = QT_FreeHWSurface; |
| device->SetIcon = NULL; |
| device->SetCaption = QT_SetWMCaption; |
| device->IconifyWindow = QT_IconifyWindow; |
| device->GrabInput = QT_GrabInput; |
| device->GetWMInfo = NULL; |
| device->FreeWMCursor = QT_FreeWMCursor; |
| device->CreateWMCursor = QT_CreateWMCursor; |
| device->ShowWMCursor = QT_ShowWMCursor; |
| device->WarpWMCursor = QT_WarpWMCursor; |
| device->InitOSKeymap = QT_InitOSKeymap; |
| device->PumpEvents = QT_PumpEvents; |
| |
| device->free = QT_DeleteDevice; |
| device->ToggleFullScreen = QT_ToggleFullScreen; |
| |
| /* Set the driver flags */ |
| device->handles_any_size = 0; |
| |
| return device; |
| } |
| |
| VideoBootStrap Qtopia_bootstrap = { |
| "qtopia", "Qtopia / QPE graphics", |
| QT_Available, QT_CreateDevice |
| }; |
| |
| /* Function to sort the display_list */ |
| static int CompareModes(const void *A, const void *B) |
| { |
| #if 0 |
| const display_mode *a = (display_mode *)A; |
| const display_mode *b = (display_mode *)B; |
| |
| if ( a->space == b->space ) { |
| return((b->virtual_width*b->virtual_height)- |
| (a->virtual_width*a->virtual_height)); |
| } else { |
| return(ColorSpaceToBitsPerPixel(b->space)- |
| ColorSpaceToBitsPerPixel(a->space)); |
| } |
| #endif |
| return 0; |
| } |
| |
| /* Yes, this isn't the fastest it could be, but it works nicely */ |
| static int QT_AddMode(_THIS, int index, unsigned int w, unsigned int h) |
| { |
| SDL_Rect *mode; |
| int i; |
| int next_mode; |
| |
| /* Check to see if we already have this mode */ |
| if ( SDL_nummodes[index] > 0 ) { |
| for ( i=SDL_nummodes[index]-1; i >= 0; --i ) { |
| mode = SDL_modelist[index][i]; |
| if ( (mode->w == w) && (mode->h == h) ) { |
| return(0); |
| } |
| } |
| } |
| |
| /* Set up the new video mode rectangle */ |
| mode = (SDL_Rect *)SDL_malloc(sizeof *mode); |
| if ( mode == NULL ) { |
| SDL_OutOfMemory(); |
| return(-1); |
| } |
| mode->x = 0; |
| mode->y = 0; |
| mode->w = w; |
| mode->h = h; |
| #ifdef QTOPIA_DEBUG |
| fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1); |
| #endif |
| |
| /* Allocate the new list of modes, and fill in the new mode */ |
| next_mode = SDL_nummodes[index]; |
| SDL_modelist[index] = (SDL_Rect **) |
| SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); |
| if ( SDL_modelist[index] == NULL ) { |
| SDL_OutOfMemory(); |
| SDL_nummodes[index] = 0; |
| SDL_free(mode); |
| return(-1); |
| } |
| SDL_modelist[index][next_mode] = mode; |
| SDL_modelist[index][next_mode+1] = NULL; |
| SDL_nummodes[index]++; |
| |
| return(0); |
| } |
| |
| int QT_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| { |
| /* Initialize the QPE Application */ |
| /* Determine the screen depth */ |
| vformat->BitsPerPixel = QPixmap::defaultDepth(); |
| |
| // For now we hardcode the current depth because anything else |
| // might as well be emulated by SDL rather than by Qtopia. |
| |
| QSize desktop_size = qApp->desktop()->size(); |
| QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1, |
| desktop_size.width(), desktop_size.height()); |
| QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1, |
| desktop_size.height(), desktop_size.width()); |
| |
| /* Determine the current screen size */ |
| _this->info.current_w = desktop_size.width(); |
| _this->info.current_h = desktop_size.height(); |
| |
| /* Create the window / widget */ |
| SDL_Win = new SDL_QWin(QSize(QT_HIDDEN_SIZE, QT_HIDDEN_SIZE)); |
| ((QPEApplication*)qApp)->showMainWidget(SDL_Win); |
| /* Fill in some window manager capabilities */ |
| _this->info.wm_available = 0; |
| |
| /* We're done! */ |
| return(0); |
| } |
| |
| /* We support any dimension at our bit-depth */ |
| SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| { |
| SDL_Rect **modes; |
| |
| modes = ((SDL_Rect **)0); |
| if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { |
| modes = SDL_modelist[((format->BitsPerPixel+7)/8)-1]; |
| } else { |
| if ( format->BitsPerPixel == |
| _this->screen->format->BitsPerPixel ) { |
| modes = ((SDL_Rect **)-1); |
| } |
| } |
| return(modes); |
| } |
| |
| /* Various screen update functions available */ |
| static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); |
| |
| |
| static int QT_SetFullScreen(_THIS, SDL_Surface *screen, int fullscreen) |
| { |
| return -1; |
| } |
| |
| static int QT_ToggleFullScreen(_THIS, int fullscreen) |
| { |
| return -1; |
| } |
| |
| /* FIXME: check return values and cleanup here */ |
| SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current, |
| int width, int height, int bpp, Uint32 flags) |
| { |
| |
| QImage *qimage; |
| QSize desktop_size = qApp->desktop()->size(); |
| |
| |
| current->flags = 0; //SDL_FULLSCREEN; // We always run fullscreen. |
| |
| if(width <= desktop_size.width() |
| && height <= desktop_size.height()) { |
| current->w = desktop_size.width(); |
| current->h = desktop_size.height(); |
| } else if(width <= desktop_size.height() && height <= desktop_size.width()) { |
| // Landscape mode |
| char * envString = SDL_getenv(SDL_QT_ROTATION_ENV_NAME); |
| int envValue = envString ? atoi(envString) : 0; |
| screenRotation = envValue ? SDL_QT_ROTATION_270 : SDL_QT_ROTATION_90; |
| current->h = desktop_size.width(); |
| current->w = desktop_size.height(); |
| } else { |
| SDL_SetError("Unsupported resolution, %dx%d\n", width, height); |
| } |
| if ( flags & SDL_OPENGL ) { |
| SDL_SetError("OpenGL not supported"); |
| return(NULL); |
| } |
| /* Create the QImage framebuffer */ |
| qimage = new QImage(current->w, current->h, bpp); |
| if (qimage->isNull()) { |
| SDL_SetError("Couldn't create screen bitmap"); |
| delete qimage; |
| return(NULL); |
| } |
| current->pitch = qimage->bytesPerLine(); |
| current->pixels = (void *)qimage->bits(); |
| SDL_Win->setImage(qimage); |
| _this->UpdateRects = QT_NormalUpdate; |
| SDL_Win->setFullscreen(true); |
| /* We're done */ |
| return(current); |
| } |
| |
| /* Update the current mouse state and position */ |
| void QT_UpdateMouse(_THIS) |
| { |
| QPoint point(-1, -1); |
| if ( SDL_Win->isActiveWindow() ) { |
| point = SDL_Win->mousePos(); |
| } |
| |
| if ( (point.x() >= 0) && (point.x() < SDL_VideoSurface->w) && |
| (point.y() >= 0) && (point.y() < SDL_VideoSurface->h) ) { |
| SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); |
| SDL_PrivateMouseMotion(0, 0, |
| (Sint16)point.x(), (Sint16)point.y()); |
| } else { |
| SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); |
| } |
| } |
| |
| /* We don't actually allow hardware surfaces other than the main one */ |
| static int QT_AllocHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return(-1); |
| } |
| static void QT_FreeHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return; |
| } |
| static int QT_LockHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return(0); |
| } |
| static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return; |
| } |
| |
| static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) |
| { |
| if(SDL_Win->lockScreen()) { |
| for(int i=0; i<numrects; ++i ) { |
| QRect rect(rects[i].x, rects[i].y, |
| rects[i].w, rects[i].h); |
| SDL_Win->repaintRect(rect); |
| } |
| SDL_Win->unlockScreen(); |
| } |
| } |
| /* Is the system palette settable? */ |
| int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| { |
| return -1; |
| } |
| |
| void QT_VideoQuit(_THIS) |
| { |
| // This is dumb, but if I free this, the app doesn't exit correctly. |
| // Of course, this will leak memory if init video is done more than once. |
| // Sucks but such is life. |
| |
| // -- David Hedbor |
| // delete SDL_Win; |
| // SDL_Win = 0; |
| _this->screen->pixels = NULL; |
| QT_GrabInput(_this, SDL_GRAB_OFF); |
| } |
| |
| static int QT_IconifyWindow(_THIS) { |
| SDL_Win->hide(); |
| |
| return true; |
| } |
| |
| static SDL_GrabMode QT_GrabInput(_THIS, SDL_GrabMode mode) { |
| if(mode == SDL_GRAB_OFF) { |
| QPEApplication::grabKeyboard(); |
| qApp->processEvents(); |
| QPEApplication::ungrabKeyboard(); |
| } else { |
| QPEApplication::grabKeyboard(); |
| } |
| qApp->processEvents(); |
| return mode; |
| } |
| |
| }; /* Extern C */ |