/[rdesktop]/jpeg/rdesktop/trunk/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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revision 564 by jsorg71, Fri Jan 16 23:15:33 2004 UTC revision 580 by astrand, Fri Jan 23 08:35:52 2004 UTC
# Line 42  static int g_x_socket; Line 42  static int g_x_socket;
42  static Screen *g_screen;  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 = NULL;
46  static Visual *g_visual;  static Visual *g_visual;
47  static int g_depth;  static int g_depth;
48  static int g_bpp;  static int g_bpp;
# Line 50  static XIM g_IM; Line 50  static XIM g_IM;
50  static XIC g_IC;  static XIC g_IC;
51  static XModifierKeymap *g_mod_map;  static XModifierKeymap *g_mod_map;
52  static Cursor g_current_cursor;  static Cursor g_current_cursor;
53  static HCURSOR g_null_cursor;  static HCURSOR g_null_cursor = NULL;
54  static Atom g_protocol_atom, g_kill_atom;  static Atom g_protocol_atom, g_kill_atom;
55  static BOOL g_focused;  static BOOL g_focused;
56  static BOOL g_mouse_in_wnd;  static BOOL g_mouse_in_wnd;
# Line 63  static int g_red_shift_l, g_blue_shift_l Line 63  static int g_red_shift_l, g_blue_shift_l
63    
64  /* software backing store */  /* software backing store */
65  static BOOL g_ownbackstore;  static BOOL g_ownbackstore;
66  static Pixmap g_backstore;  static Pixmap g_backstore = NULL;
67    
68  /* Moving in single app mode */  /* Moving in single app mode */
69  static BOOL g_moving_wnd;  static BOOL g_moving_wnd;
# Line 699  ui_init(void) Line 699  ui_init(void)
699          XVisualInfo vi;          XVisualInfo vi;
700          XPixmapFormatValues *pfm;          XPixmapFormatValues *pfm;
701          uint16 test;          uint16 test;
702          int i, screen_num;          int i, screen_num, nvisuals;
703            XVisualInfo *vmatches = NULL;
704            XVisualInfo template;
705            Bool TrueColorVisual = False;
706    
707          g_display = XOpenDisplay(NULL);          g_display = XOpenDisplay(NULL);
708          if (g_display == NULL)          if (g_display == NULL)
# Line 713  ui_init(void) Line 716  ui_init(void)
716          g_screen = ScreenOfDisplay(g_display, screen_num);          g_screen = ScreenOfDisplay(g_display, screen_num);
717          g_depth = DefaultDepthOfScreen(g_screen);          g_depth = DefaultDepthOfScreen(g_screen);
718    
719          if (g_server_bpp == 8)          /* Search for best TrueColor depth */
720            template.class = TrueColor;
721            vmatches = XGetVisualInfo(g_display, VisualClassMask, &template, &nvisuals);
722    
723            nvisuals--;
724            while (nvisuals >= 0)
725          {          {
726                  /* we use a colourmap, so any visual should do */                  if ((vmatches + nvisuals)->depth > g_depth)
727                    {
728                            g_depth = (vmatches + nvisuals)->depth;
729                    }
730                    nvisuals--;
731                    TrueColorVisual = True;
732            }
733    
734            if ((g_server_bpp == 8) && ((!TrueColorVisual) || (g_depth <= 8)))
735            {
736                    /* we use a colourmap, so the default visual should do */
737                  g_visual = DefaultVisualOfScreen(g_screen);                  g_visual = DefaultVisualOfScreen(g_screen);
738                    g_depth = DefaultDepthOfScreen(g_screen);
739    
740                    /* Do not allocate colours on a TrueColor visual */
741                    if (g_visual->class == TrueColor)
742                    {
743                            g_owncolmap = False;
744                    }
745          }          }
746          else          else
747          {          {
# Line 758  ui_init(void) Line 783  ui_init(void)
783    
784          if (!g_owncolmap)          if (!g_owncolmap)
785          {          {
786                  g_xcolmap = DefaultColormapOfScreen(g_screen);                  g_xcolmap =
787                            XCreateColormap(g_display, RootWindowOfScreen(g_screen), g_visual,
788                                            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 838  ui_deinit(void) Line 852  ui_deinit(void)
852          if (g_IM != NULL)          if (g_IM != NULL)
853                  XCloseIM(g_IM);                  XCloseIM(g_IM);
854    
855            if (g_null_cursor != NULL)
856                    ui_destroy_cursor(g_null_cursor);
857    
858          XFreeModifiermap(g_mod_map);          XFreeModifiermap(g_mod_map);
859    
860          if (g_ownbackstore)          if (g_ownbackstore)
# Line 864  ui_create_window(void) Line 881  ui_create_window(void)
881          wndheight = g_fullscreen ? HeightOfScreen(g_screen) : g_height;          wndheight = g_fullscreen ? HeightOfScreen(g_screen) : g_height;
882    
883          attribs.background_pixel = BlackPixelOfScreen(g_screen);          attribs.background_pixel = BlackPixelOfScreen(g_screen);
884            attribs.border_pixel = WhitePixelOfScreen(g_screen);
885          attribs.backing_store = g_ownbackstore ? NotUseful : Always;          attribs.backing_store = g_ownbackstore ? NotUseful : Always;
886          attribs.override_redirect = g_fullscreen;          attribs.override_redirect = g_fullscreen;
887            attribs.colormap = g_xcolmap;
888    
889          g_wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), 0, 0, wndwidth, wndheight,          g_wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), 0, 0, wndwidth, wndheight,
890                                0, CopyFromParent, InputOutput, CopyFromParent,                                0, g_depth, InputOutput, g_visual,
891                                CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs);                                CWBackPixel | CWBackingStore | CWOverrideRedirect |
892                                  CWColormap | CWBorderPixel, &attribs);
893    
894            if (g_gc == NULL)
895                    g_gc = XCreateGC(g_display, g_wnd, 0, NULL);
896    
897            if ((g_ownbackstore) && (g_backstore == NULL))
898            {
899                    g_backstore = XCreatePixmap(g_display, g_wnd, g_width, g_height, g_depth);
900    
901                    /* clear to prevent rubbish being exposed at startup */
902                    XSetForeground(g_display, g_gc, BlackPixelOfScreen(g_screen));
903                    XFillRectangle(g_display, g_backstore, g_gc, 0, 0, g_width, g_height);
904            }
905    
906          XStoreName(g_display, g_wnd, g_title);          XStoreName(g_display, g_wnd, g_title);
907    
# Line 935  ui_create_window(void) Line 967  ui_create_window(void)
967          XSetWMProtocols(g_display, g_wnd, &g_kill_atom, 1);          XSetWMProtocols(g_display, g_wnd, &g_kill_atom, 1);
968    
969          /* create invisible 1x1 cursor to be used as null cursor */          /* create invisible 1x1 cursor to be used as null cursor */
970          g_null_cursor = ui_create_cursor(0, 0, 1, 1, null_pointer_mask, null_pointer_data);          if (g_null_cursor == NULL)
971                    g_null_cursor = ui_create_cursor(0, 0, 1, 1, null_pointer_mask, null_pointer_data);
972    
973          return True;          return True;
974  }  }
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