/[rdesktop]/sourceforge.net/trunk/rdesktop/xwin.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Diff of /sourceforge.net/trunk/rdesktop/xwin.c

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revision 564 by jsorg71, Fri Jan 16 23:15:33 2004 UTC revision 566 by stargo, Mon Jan 19 23:45:26 2004 UTC
# Line 43  static Screen *g_screen; Line 43  static Screen *g_screen;
43  Window g_wnd;  Window g_wnd;
44  BOOL g_enable_compose = False;  BOOL g_enable_compose = False;
45  static GC g_gc;  static GC g_gc;
46    static BOOL g_gc_initialized = False;
47  static Visual *g_visual;  static Visual *g_visual;
48  static int g_depth;  static int g_depth;
49  static int g_bpp;  static int g_bpp;
# Line 64  static int g_red_shift_l, g_blue_shift_l Line 65  static int g_red_shift_l, g_blue_shift_l
65  /* software backing store */  /* software backing store */
66  static BOOL g_ownbackstore;  static BOOL g_ownbackstore;
67  static Pixmap g_backstore;  static Pixmap g_backstore;
68    static BOOL g_backstore_initialized = False;
69    
70  /* Moving in single app mode */  /* Moving in single app mode */
71  static BOOL g_moving_wnd;  static BOOL g_moving_wnd;
# Line 699  ui_init(void) Line 701  ui_init(void)
701          XVisualInfo vi;          XVisualInfo vi;
702          XPixmapFormatValues *pfm;          XPixmapFormatValues *pfm;
703          uint16 test;          uint16 test;
704          int i, screen_num;          int i, screen_num, nvisuals;
705            XVisualInfo *vmatches = NULL;
706            XVisualInfo template;
707            Bool TrueColorVisual = False;
708    
709          g_display = XOpenDisplay(NULL);          g_display = XOpenDisplay(NULL);
710          if (g_display == NULL)          if (g_display == NULL)
# Line 713  ui_init(void) Line 718  ui_init(void)
718          g_screen = ScreenOfDisplay(g_display, screen_num);          g_screen = ScreenOfDisplay(g_display, screen_num);
719          g_depth = DefaultDepthOfScreen(g_screen);          g_depth = DefaultDepthOfScreen(g_screen);
720    
721          if (g_server_bpp == 8)          /* Search for best TrueColor depth */
722            template.class = TrueColor;
723            vmatches = XGetVisualInfo(g_display, VisualClassMask, &template, &nvisuals);
724    
725            nvisuals--;
726            while (nvisuals >= 0)
727            {
728                    if ((vmatches + nvisuals)->depth > g_depth)
729                    {
730                            g_depth = (vmatches + nvisuals)->depth;
731                    }
732                    nvisuals--;
733                    TrueColorVisual = True;
734            }
735    
736            if ((g_server_bpp == 8) && ((! TrueColorVisual) || (g_depth <= 8)))
737          {          {
738                  /* we use a colourmap, so any visual should do */                  /* we use a colourmap, so the default visual should do */
739                  g_visual = DefaultVisualOfScreen(g_screen);                  g_visual = DefaultVisualOfScreen(g_screen);
740                    g_depth = DefaultDepthOfScreen(g_screen);
741    
742                    /* Do not allocate colours on a TrueColor visual */
743                    if (g_visual->class == TrueColor)
744                    {
745                            g_owncolmap = False;
746                    }
747          }          }
748          else          else
749          {          {
# Line 758  ui_init(void) Line 785  ui_init(void)
785    
786          if (!g_owncolmap)          if (!g_owncolmap)
787          {          {
788                  g_xcolmap = DefaultColormapOfScreen(g_screen);                  g_xcolmap = XCreateColormap(g_display,RootWindowOfScreen(g_screen),g_visual,AllocNone);
789                  if (g_depth <= 8)                  if (g_depth <= 8)
790                          warning("Screen depth is 8 bits or lower: you may want to use -C for a private colourmap\n");                          warning("Screen depth is 8 bits or lower: you may want to use -C for a private colourmap\n");
791          }          }
792    
         g_gc = XCreateGC(g_display, RootWindowOfScreen(g_screen), 0, NULL);  
   
793          if (DoesBackingStore(g_screen) != Always)          if (DoesBackingStore(g_screen) != Always)
794                  g_ownbackstore = True;                  g_ownbackstore = True;
795    
# Line 807  ui_init(void) Line 832  ui_init(void)
832          /* make sure width is a multiple of 4 */          /* make sure width is a multiple of 4 */
833          g_width = (g_width + 3) & ~3;          g_width = (g_width + 3) & ~3;
834    
         if (g_ownbackstore)  
         {  
                 g_backstore =  
                         XCreatePixmap(g_display, RootWindowOfScreen(g_screen), g_width, g_height,  
                                       g_depth);  
   
                 /* clear to prevent rubbish being exposed at startup */  
                 XSetForeground(g_display, g_gc, BlackPixelOfScreen(g_screen));  
                 XFillRectangle(g_display, g_backstore, g_gc, 0, 0, g_width, g_height);  
         }  
   
835          g_mod_map = XGetModifierMapping(g_display);          g_mod_map = XGetModifierMapping(g_display);
836    
837          xkeymap_init();          xkeymap_init();
# Line 864  ui_create_window(void) Line 878  ui_create_window(void)
878          wndheight = g_fullscreen ? HeightOfScreen(g_screen) : g_height;          wndheight = g_fullscreen ? HeightOfScreen(g_screen) : g_height;
879    
880          attribs.background_pixel = BlackPixelOfScreen(g_screen);          attribs.background_pixel = BlackPixelOfScreen(g_screen);
881            attribs.border_pixel = WhitePixelOfScreen(g_screen);
882          attribs.backing_store = g_ownbackstore ? NotUseful : Always;          attribs.backing_store = g_ownbackstore ? NotUseful : Always;
883          attribs.override_redirect = g_fullscreen;          attribs.override_redirect = g_fullscreen;
884            attribs.colormap = g_xcolmap;
885    
886          g_wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), 0, 0, wndwidth, wndheight,          g_wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), 0, 0, wndwidth, wndheight,
887                                0, CopyFromParent, InputOutput, CopyFromParent,                                0, g_depth, InputOutput, g_visual,
888                                CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs);                                CWBackPixel | CWBackingStore | CWOverrideRedirect |
889                                  CWColormap | CWBorderPixel, &attribs);
890    
891            if ( ! g_gc_initialized )
892            {
893                    g_gc = XCreateGC(g_display, g_wnd, 0, NULL);
894                    g_gc_initialized = True;
895            }
896    
897            if ((g_ownbackstore) && (! g_backstore_initialized))
898            {
899                    g_backstore =
900                            XCreatePixmap(g_display, g_wnd, g_width, g_height,
901                                          g_depth);
902    
903                    /* clear to prevent rubbish being exposed at startup */
904                    XSetForeground(g_display, g_gc, BlackPixelOfScreen(g_screen));
905                    XFillRectangle(g_display, g_backstore, g_gc, 0, 0, g_width, g_height);
906                    g_backstore_initialized = True;
907            }
908    
909          XStoreName(g_display, g_wnd, g_title);          XStoreName(g_display, g_wnd, g_title);
910    
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