From 82d5482838be53450248b563b08ec0b65014da47 Mon Sep 17 00:00:00 2001
From: David Nusinow <dnusinow@debian.org>
Date: Wed, 27 Feb 2008 21:42:01 -0500
Subject: [PATCH] Implement WM_CLASS hints in Xephyr (bug #10016)

---
 hw/kdrive/ephyr/ephyr.h     |    1 +
 hw/kdrive/ephyr/ephyrinit.c |   19 +++++++++++++++++++
 hw/kdrive/ephyr/hostx.c     |   27 +++++++++++++++++++++++++++
 hw/kdrive/ephyr/hostx.h     |    3 +++
 4 files changed, 50 insertions(+), 0 deletions(-)

diff --git a/hw/kdrive/ephyr/ephyr.h b/hw/kdrive/ephyr/ephyr.h
index 8ed7e23..5d58a21 100644
--- a/hw/kdrive/ephyr/ephyr.h
+++ b/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"
diff --git a/hw/kdrive/ephyr/ephyrinit.c b/hw/kdrive/ephyr/ephyrinit.c
index 6196996..47ddb3d 100644
--- a/hw/kdrive/ephyr/ephyrinit.c
+++ b/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]);
diff --git a/hw/kdrive/ephyr/hostx.c b/hw/kdrive/ephyr/hostx.c
index ae1bb4b..194893b 100644
--- a/hw/kdrive/ephyr/hostx.c
+++ b/hw/kdrive/ephyr/hostx.c
@@ -74,6 +74,7 @@ struct EphyrHostScreen
 
   void           *info;   /* Pointer to the screen this is associated with */
   int             mynum;  /* Screen number */
+  XClassHint     *class_hint;
 };
 
 struct EphyrHostXVars
@@ -107,6 +108,9 @@ extern EphyrKeySyms   ephyrKeySyms;
 
 extern int            monitorResolution;
 
+char           *ephyrResName = NULL;
+int             ephyrResNameFromCmd = 0;
+
 static void
 hostx_set_fullscreen_hint(void);
 
@@ -296,6 +300,13 @@ hostx_handle_signal (int signum)
               HostXWantDamageDebug);
 }
 
+void
+hostx_use_resname (char *name, int fromcmd)
+{
+  ephyrResName = name;
+  ephyrResNameFromCmd = fromcmd;
+}
+
 int
 hostx_init (void)
 {
@@ -304,6 +315,7 @@ hostx_init (void)
   Pixmap                cursor_pxm;
   XColor                col;
   int                   index;
+  char                  *tmpstr;
 
   attr.event_mask =
     ButtonPressMask
@@ -389,6 +401,21 @@ hostx_init (void)
 
               hostx_set_fullscreen_hint();
             }
+
+          host_screen->class_hint = XAllocClassHint();
+          if (host_screen->class_hint) 
+            {
+              tmpstr = getenv("RESOURCE_NAME");
+              if (tmpstr && (!ephyrResNameFromCmd))
+                ephyrResName = tmpstr;
+              host_screen->class_hint->res_name = ephyrResName;
+              host_screen->class_hint->res_class = "Xephyr";
+              XSetClassHint(hostx_get_display(), host_screen->win, host_screen->class_hint);
+              XFree(host_screen->class_hint);
+              host_screen->class_hint = NULL;
+
+            }
+
         }
     }
 
diff --git a/hw/kdrive/ephyr/hostx.h b/hw/kdrive/ephyr/hostx.h
index f72cfe7..4c8ea9c 100644
--- a/hw/kdrive/ephyr/hostx.h
+++ b/hw/kdrive/ephyr/hostx.h
@@ -144,6 +144,9 @@ 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);
 
-- 
1.5.4.3