Bug #10016: Implement WM_CLASS hints in Xephyr.

hw/kdrive/ephyr/ephyr.h

@@ -28,6 +28,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <signal.h>
+#include <libgen.h>
 
 #include "os.h"  		/* for OsSignal() */
 #include "kdrive.h"

hw/kdrive/ephyr/ephyrinit.c

@@ -109,6 +109,7 @@ ddxUseMsg (void)
   ErrorF("-nodri               do not use DRI\n");
 #endif
   ErrorF("-noxv                do not use XV\n");
+  ErrorF("-name [name]         define the name in the WM_CLASS property\n");
   ErrorF("\n");
 
   exit(1);
@@ -148,6 +149,11 @@ ddxProcessArgument (int argc, char **argv, int i)
 {
   EPHYR_DBG("mark argv[%d]='%s'", i, argv[i] );
 
+  if (i == 1)
+    {
+      hostx_use_resname(basename(argv[0]), 0);
+    }
+
   if (!strcmp (argv[i], "-parent"))
     {
       if(i+1 < argc)
@@ -223,6 +229,19 @@ ddxProcessArgument (int argc, char **argv, int i)
        EPHYR_LOG ("no XVideo enabled\n") ;
        return 1 ;
    }
+  else if (!strcmp (argv[i], "-name"))
+   {
+       if (i+1 < argc && argv[i+1][0] != '-')
+         {
+           hostx_use_resname(argv[i+1], 1);
+           return 2;
+         }
+       else
+         {
+           UseMsg();
+           return 0;
+         }
+   }
   else if (argv[i][0] == ':')
     {
       hostx_set_display_name(argv[i]);

hw/kdrive/ephyr/hostx.c

@@ -107,6 +107,9 @@ extern EphyrKeySyms   ephyrKeySyms;
 
 extern int            monitorResolution;
 
+char           *ephyrResName = NULL;
+int             ephyrResNameFromCmd = 0;
+
 static void
 hostx_set_fullscreen_hint(void);
 
@@ -296,6 +299,13 @@ hostx_handle_signal (int signum)
               HostXWantDamageDebug);
 }
 
+void
+hostx_use_resname (char *name, int fromcmd)
+{
+  ephyrResName = name;
+  ephyrResNameFromCmd = fromcmd;
+}
+
 int
 hostx_init (void)
 {
@@ -304,6 +314,8 @@ hostx_init (void)
   Pixmap                cursor_pxm;
   XColor                col;
   int                   index;
+  char                  *tmpstr;
+  XClassHint            *class_hint;
 
   attr.event_mask =
     ButtonPressMask
@@ -327,6 +339,8 @@ hostx_init (void)
   HostX.depth   = DefaultDepth(HostX.dpy, HostX.screen);
   HostX.visual  = DefaultVisual(HostX.dpy, HostX.screen);
 
+  class_hint = XAllocClassHint();
+
   for (index = 0 ; index < HostX.n_screens ; index++)
     {
       struct EphyrHostScreen *host_screen = &HostX.screens[index];
@@ -389,9 +403,23 @@ hostx_init (void)
 
               hostx_set_fullscreen_hint();
             }
+
+          if (class_hint) 
+            {
+              tmpstr = getenv("RESOURCE_NAME");
+              if (tmpstr && (!ephyrResNameFromCmd))
+                ephyrResName = tmpstr;
+              class_hint->res_name = ephyrResName;
+              class_hint->res_class = "Xephyr";
+              XSetClassHint(hostx_get_display(), host_screen->win, class_hint);
+
+            }
+
         }
     }
 
+  if (class_hint)
+      XFree(class_hint);
 
   XParseColor (HostX.dpy, DefaultColormap (HostX.dpy,HostX.screen),
                "red", &col);

hw/kdrive/ephyr/hostx.h

@@ -145,6 +145,9 @@ hostx_want_preexisting_window(EphyrScreenInfo screen);
 void
 hostx_use_preexisting_window(unsigned long win_id);
 
+void
+hostx_use_resname (char *name, int fromcmd);
+
 void 
 hostx_handle_signal(int signum);