vid_sdl: also upload a smooth netwm icon if possible, by fetching the X11 window...

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@10423 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=9e2a4e3392ee64e45881cddd18856a5472abda28

diff --git a/vid_sdl.c b/vid_sdl.c
index eda8c6a0f479f7b20045da15fb9ceddb1adac6e7..2c666495c5b1205e328f9a3c0b1ac12a03116b06 100644 (file)
--- a/vid_sdl.c
+++ b/vid_sdl.c
@@ -18,6 +18,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 #undef WIN32_LEAN_AND_MEAN  //hush a warning, SDL.h redefines this
 #include <SDL.h>
+#include <SDL_syswm.h>
 #include <stdio.h>
 
 #include "quakedef.h"
@@ -558,7 +559,7 @@ static void VID_SetIcon(void)
        // only use non-XPM icon support in SDL v1.3 and higher
        // SDL v1.2 does not support "smooth" transparency, and thus is better
        // off the xpm way
-       if(version->major >= 2 || version->major == 1 && version->minor >= 3)
+       if(version->major >= 2 || (version->major == 1 && version->minor >= 3))
        {
                data = (char *) loadimagepixelsbgra("darkplaces-icon", false, false, false, NULL);
                if(data)
@@ -589,6 +590,51 @@ static void VID_SetIcon(void)
                        icon->pixels = data;
                }
        }
+#if SDL_VIDEO_DRIVER_X11 && !SDL_VIDEO_DRIVER_QUARTZ
+       // ugly hack to upload a good icon on X11 too
+       else
+       {
+               SDL_SysWMinfo info;
+               SDL_VERSION(&info.version);
+               if(SDL_GetWMInfo(&info) == 1 && info.subsystem == SDL_SYSWM_X11)
+               {
+                       data = (char *) loadimagepixelsbgra("darkplaces-icon", false, false, false, NULL);
+                       if(data)
+                       {
+                               // use _NET_WM_ICON too
+                               static long netwm_icon[MAX_NETWM_ICON];
+                               int pos = 0;
+                               int i = 1;
+
+                               while(data)
+                               {
+                                       if(pos + 2 * image_width * image_height < MAX_NETWM_ICON)
+                                       {
+                                               netwm_icon[pos++] = image_width;
+                                               netwm_icon[pos++] = image_height;
+                                               for(i = 0; i < image_height; ++i)
+                                                       for(j = 0; j < image_width; ++j)
+                                                               netwm_icon[pos++] = BuffLittleLong((unsigned char *) &data[(i*image_width+j)*4]);
+                                       }
+                                       else
+                                       {
+                                               Con_Printf("Skipping NETWM icon #%d because there is no space left\n", i);
+                                       }
+                                       ++i;
+                                       Mem_Free(data);
+                                       data = (char *) loadimagepixelsbgra(va("darkplaces-icon%d", i), false, false, false, NULL);
+                               }
+
+                               info.info.x11.lock_func();
+                               {
+                                       Atom net_wm_icon = XInternAtom(info.info.x11.display, "_NET_WM_ICON", false);
+                                       XChangeProperty(info.info.x11.display, info.info.x11.wmwindow, net_wm_icon, XA_CARDINAL, 32, PropModeReplace, (const unsigned char *) netwm_icon, pos);
+                               }
+                               info.info.x11.unlock_func();
+                       }
+               }
+       }
+#endif
 
        // we only get here if non-XPM icon was missing, or SDL version is not
        // sufficient for transparent non-XPM icons