SDL_cgxwm.c
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:9k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 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
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_cgxwm.c,v 1.4 2002/04/22 21:38:04 wmay Exp $";
- #endif
- #include "SDL_version.h"
- #include "SDL_error.h"
- #include "SDL_timer.h"
- #include "SDL_video.h"
- #include "SDL_syswm.h"
- #include "SDL_events_c.h"
- #include "SDL_pixels_c.h"
- #include "SDL_cgxmodes_c.h"
- #include "SDL_cgxwm_c.h"
- /* This is necessary for working properly with Enlightenment, etc. */
- #define USE_ICON_WINDOW
- void CGX_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
- {
- #if 0
- SDL_Surface *sicon;
- XWMHints *wmhints;
- XImage *icon_image;
- Pixmap icon_pixmap;
- Pixmap mask_pixmap;
- #ifdef USE_ICON_WINDOW
- Window icon_window;
- #endif
- GC GC;
- XGCValues GCvalues;
- int i, b, dbpp;
- SDL_Rect bounds;
- Uint8 *LSBmask, *color_tried;
- Visual *dvis;
- /* Lock the event thread, in multi-threading environments */
- SDL_Lock_EventThread();
- /* The icon must use the default visual, depth and colormap of the
- screen, so it might need a conversion */
- dbpp = DefaultDepth(SDL_Display, SDL_Screen);
- switch(dbpp) {
- case 15:
- dbpp = 16; break;
- case 24:
- dbpp = 32; break;
- }
- dvis = DefaultVisual(SDL_Display, SDL_Screen);
- /* The Visual struct is supposed to be opaque but we cheat a little */
- sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
- dbpp,
- dvis->red_mask, dvis->green_mask,
- dvis->blue_mask, 0);
- if ( sicon == NULL ) {
- goto done;
- }
- /* If we already have allocated colours from the default colormap,
- copy them */
- if(SDL_Visual == dvis && SDL_XColorMap == SDL_DisplayColormap
- && this->screen->format->palette && sicon->format->palette) {
- memcpy(sicon->format->palette->colors,
- this->screen->format->palette->colors,
- this->screen->format->palette->ncolors * sizeof(SDL_Color));
- }
- bounds.x = 0;
- bounds.y = 0;
- bounds.w = icon->w;
- bounds.h = icon->h;
- if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 )
- goto done;
- /* Lock down the colors used in the colormap */
- color_tried = NULL;
- if ( sicon->format->BitsPerPixel == 8 ) {
- SDL_Palette *palette;
- Uint8 *p;
- XColor wanted;
- palette = sicon->format->palette;
- color_tried = malloc(palette->ncolors);
- if ( color_tried == NULL ) {
- goto done;
- }
- if ( SDL_iconcolors != NULL ) {
- free(SDL_iconcolors);
- }
- SDL_iconcolors = malloc(palette->ncolors
- * sizeof(*SDL_iconcolors));
- if ( SDL_iconcolors == NULL ) {
- free(color_tried);
- goto done;
- }
- memset(color_tried, 0, palette->ncolors);
- memset(SDL_iconcolors, 0,
- palette->ncolors * sizeof(*SDL_iconcolors));
- p = (Uint8 *)sicon->pixels;
- for ( i = sicon->w*sicon->h; i > 0; --i, ++p ) {
- if ( ! color_tried[*p] ) {
- wanted.pixel = *p;
- wanted.red = (palette->colors[*p].r<<8);
- wanted.green = (palette->colors[*p].g<<8);
- wanted.blue = (palette->colors[*p].b<<8);
- wanted.flags = (DoRed|DoGreen|DoBlue);
- if (XAllocColor(SDL_Display,
- SDL_DisplayColormap, &wanted)) {
- ++SDL_iconcolors[wanted.pixel];
- }
- color_tried[*p] = 1;
- }
- }
- }
- if ( color_tried != NULL ) {
- free(color_tried);
- }
- /* Translate mask data to LSB order and set the icon mask */
- i = (sicon->w/8)*sicon->h;
- LSBmask = (Uint8 *)malloc(i);
- if ( LSBmask == NULL ) {
- goto done;
- }
- memset(LSBmask, 0, i);
- while ( --i >= 0 ) {
- for ( b=0; b<8; ++b )
- LSBmask[i] |= (((mask[i]>>b)&0x01)<<(7-b));
- }
- mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow,
- LSBmask, sicon->w, sicon->h, 1L, 0L, 1);
- /* Transfer the image to an X11 pixmap */
- icon_image = XCreateImage(SDL_Display,
- DefaultVisual(SDL_Display, SDL_Screen),
- DefaultDepth(SDL_Display, SDL_Screen),
- ZPixmap, 0, (char *)sicon->pixels, sicon->w, sicon->h,
- ((sicon->format)->BytesPerPixel == 3) ? 32 :
- (sicon->format)->BytesPerPixel*8, 0);
- icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h,
- DefaultDepth(SDL_Display, SDL_Screen));
- GC = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues);
- XPutImage(SDL_Display, icon_pixmap, GC, icon_image,
- 0, 0, 0, 0, sicon->w, sicon->h);
- XFreeGC(SDL_Display, GC);
- XDestroyImage(icon_image);
- free(LSBmask);
- sicon->pixels = NULL;
- #ifdef USE_ICON_WINDOW
- /* Create an icon window and set the pixmap as its background */
- icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root,
- 0, 0, sicon->w, sicon->h, 0,
- CopyFromParent, CopyFromParent);
- XSetWindowBackgroundPixmap(SDL_Display, icon_window, icon_pixmap);
- XClearWindow(SDL_Display, icon_window);
- #endif
- /* Set the window icon to the icon pixmap (and icon window) */
- wmhints = XAllocWMHints();
- wmhints->flags = (IconPixmapHint | IconMaskHint);
- wmhints->icon_pixmap = icon_pixmap;
- wmhints->icon_mask = mask_pixmap;
- #ifdef USE_ICON_WINDOW
- wmhints->flags |= IconWindowHint;
- wmhints->icon_window = icon_window;
- #endif
- XSetWMHints(SDL_Display, WMwindow, wmhints);
- XFree(wmhints);
- XSync(SDL_Display, False);
- done:
- SDL_Unlock_EventThread();
- if ( sicon != NULL ) {
- SDL_FreeSurface(sicon);
- }
- #endif
- return;
- }
- void CGX_SetCaption(_THIS, const char *title, const char *icon)
- {
- if(SDL_Window)
- SetWindowTitles(SDL_Window,(char *)title,NULL);
- }
- /* Iconify the window */
- int CGX_IconifyWindow(_THIS)
- {
- #if 0
- int result;
- SDL_Lock_EventThread();
- result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen);
- XSync(SDL_Display, False);
- SDL_Unlock_EventThread();
- return(result);
- #else
- return 0;
- #endif
- }
- #if 0
- SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode)
- {
- int numtries, result;
- if ( this->screen == NULL ) {
- return(SDL_GRAB_OFF);
- }
- if ( ! SDL_Window ) {
- return(mode); /* Will be set later on mode switch */
- }
- if ( mode == SDL_GRAB_OFF ) {
- XUngrabPointer(SDL_Display, CurrentTime);
- if ( this->screen->flags & SDL_FULLSCREEN ) {
- /* Rebind the mouse to the fullscreen window */
- for ( numtries = 0; numtries < 10; ++numtries ) {
- result = XGrabPointer(SDL_Display, FSwindow,
- True, 0,
- GrabModeAsync, GrabModeAsync,
- FSwindow, None, CurrentTime);
- if ( result == AlreadyGrabbed ) {
- break;
- }
- SDL_Delay(100);
- }
- }
- #ifdef GRAB_FULLSCREEN
- if ( !(this->screen->flags & SDL_FULLSCREEN) )
- #endif
- XUngrabKeyboard(SDL_Display, CurrentTime);
- } else {
- if ( this->screen->flags & SDL_FULLSCREEN ) {
- /* Unbind the mouse from the fullscreen window */
- XUngrabPointer(SDL_Display, CurrentTime);
- }
- /* Try to grab the mouse */
- for ( numtries = 0; numtries < 10; ++numtries ) {
- result = XGrabPointer(SDL_Display, SDL_Window, True, 0,
- GrabModeAsync, GrabModeAsync,
- SDL_Window, None, CurrentTime);
- if ( result != AlreadyGrabbed ) {
- break;
- }
- SDL_Delay(100);
- }
- #ifdef GRAB_FULLSCREEN
- if ( !(this->screen->flags & SDL_FULLSCREEN) )
- #endif
- XGrabKeyboard(SDL_Display, WMwindow, True,
- GrabModeAsync, GrabModeAsync, CurrentTime);
- }
- XSync(SDL_Display, False);
- return(mode);
- }
- SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode)
- {
- SDL_Lock_EventThread();
- mode = X11_GrabInputNoLock(this, mode);
- SDL_Unlock_EventThread();
- return(mode);
- }
- /* If 'info' is the right version, this function fills it and returns 1.
- Otherwise, in case of a version mismatch, it returns -1.
- */
- static void lock_display(void)
- {
- SDL_Lock_EventThread();
- }
- static void unlock_display(void)
- {
- /* Make sure any X11 transactions are completed */
- SDL_VideoDevice *this = current_video;
- XSync(SDL_Display, False);
- SDL_Unlock_EventThread();
- }
- #endif
- int CGX_GetWMInfo(_THIS, SDL_SysWMinfo *info)
- {
- if ( info->version.major <= SDL_MAJOR_VERSION ) {
- #if 0
- info->subsystem = SDL_SYSWM_X11;
- info->info.x11.display = SDL_Display;
- info->info.x11.window = SDL_Window;
- if ( SDL_VERSIONNUM(info->version.major,
- info->version.minor,
- info->version.patch) >= 1002 ) {
- info->info.x11.fswindow = FSwindow;
- info->info.x11.wmwindow = WMwindow;
- }
- info->info.x11.lock_func = lock_display;
- info->info.x11.unlock_func = unlock_display;
- #endif
- return(1);
- } else {
- SDL_SetError("Application not compiled with SDL %d.%dn",
- SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
- return(-1);
- }
- }