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* bug#6563: [PATCH] 24.0.50; Set EWMH WM NAME properties
@ 2010-07-04 17:18 James Cloos
  2010-07-05 10:31 ` Jan Djärv
  0 siblings, 1 reply; 2+ messages in thread
From: James Cloos @ 2010-07-04 17:18 UTC (permalink / raw)
  To: 6563

When compiled with gtk+, by calling gtk_window_set_title(), Emacs sets
both the WM_NAME, WM_ICON_NAME and the _NET_WM_NAME, _NET_WM_ICON_NAME
properties.

Many current window managers prefer the _NET properties, which are
defined to always be UTF8_STRING.  Some may even lack support for
COMPOUND_TEXT.

Like the _NET_* properties which Emacs already supports, _NET_WM_NAME
and _NET_WM_ICON_NAME are specified at:

  http://specs.freedesktop.org/wm-spec/wm-spec-latest.html

The patch adds support for the _NET_WM_NAME and _NET_WM_ICON_NAME
properties to the non-gtk+ builds.

=== modified file 'src/ChangeLog'
--- src/ChangeLog	2010-07-03 14:35:54 +0000
+++ src/ChangeLog	2010-07-04 17:09:04 +0000
@@ -1,3 +1,12 @@
+2010-07-04  James Cloos  <cloos@jhcloos.com
+
+	* xterm.c (x_term_init): Intern the _NET_WM_NAME and
+	_NET_WM_ICON_NAME atoms.
+
+	* xfns.c (x_set_name_internal): Set the EWMH _NET_WM_NAME
+	and _NET_WM_ICON_NAME properties, too, matching what is
+	done in the gtk+ case.
+
 2010-07-03  Eli Zaretskii  <eliz@gnu.org>
 
 	* msdos.c (IT_set_frame_parameters): Fix setting of colors in

=== modified file 'src/xfns.c'
--- src/xfns.c	2010-07-02 12:19:29 +0000
+++ src/xfns.c	2010-07-04 16:32:36 +0000
@@ -1613,8 +1613,8 @@
 	int bytes, stringp;
         int do_free_icon_value = 0, do_free_text_value = 0;
 	Lisp_Object coding_system;
-#ifdef USE_GTK
 	Lisp_Object encoded_name;
+	Lisp_Object encoded_icon_name;
 	struct gcpro gcpro1;
 
 	/* As ENCODE_UTF_8 may cause GC and relocation of string data,
@@ -1622,7 +1622,6 @@
 	GCPRO1 (name);
 	encoded_name = ENCODE_UTF_8 (name);
 	UNGCPRO;
-#endif
 
 	coding_system = Qcompound_text;
 	/* Note: Encoding strategy
@@ -1638,7 +1637,12 @@
 	   We may also be able to use "UTF8_STRING" in text.encoding
 	   in the future which can encode all Unicode characters.
 	   But, for the moment, there's no way to know that the
-	   current window manager supports it or not.  */
+	   current window manager supports it or not.
+
+	   Either way, we also set the _NET_WM_NAME and _NET_WM_ICON_NAME
+	   properties.  Per the EWMH specification, those two properties
+	   are always UTF8_STRING.  This matches what gtk_window_set_title()
+	   does in the USE_GTK case. */
 	text.value = x_encode_text (name, coding_system, 0, &bytes, &stringp,
 				    &do_free_text_value);
 	text.encoding = (stringp ? XA_STRING
@@ -1649,6 +1653,7 @@
 	if (!STRINGP (f->icon_name))
 	  {
 	    icon = text;
+	    encoded_icon_name = encoded_name;
 	  }
 	else
 	  {
@@ -1659,6 +1664,8 @@
 			     : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT);
 	    icon.format = 8;
 	    icon.nitems = bytes;
+
+	    encoded_icon_name = ENCODE_UTF_8 (f->icon_name);
 	  }
 
 #ifdef USE_GTK
@@ -1666,9 +1673,21 @@
                               (char *) SDATA (encoded_name));
 #else /* not USE_GTK */
 	XSetWMName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text);
+	XChangeProperty (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
+			 FRAME_X_DISPLAY_INFO (f)->Xatom_net_wm_name,
+			 FRAME_X_DISPLAY_INFO (f)->Xatom_UTF8_STRING,
+			 8, PropModeReplace,
+			 (char *) SDATA (encoded_name),
+			 SBYTES (encoded_name));
 #endif /* not USE_GTK */
 
 	XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &icon);
+	XChangeProperty (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
+			 FRAME_X_DISPLAY_INFO (f)->Xatom_net_wm_icon_name,
+			 FRAME_X_DISPLAY_INFO (f)->Xatom_UTF8_STRING,
+			 8, PropModeReplace,
+			 (char *) SDATA (encoded_icon_name),
+			 SBYTES (encoded_icon_name));
 
 	if (do_free_icon_value)
 	  xfree (icon.value);

=== modified file 'src/xterm.c'
--- src/xterm.c	2010-07-02 12:19:29 +0000
+++ src/xterm.c	2010-07-04 16:32:36 +0000
@@ -10493,6 +10493,10 @@
     = XInternAtom (dpyinfo->display, "_NET_WM_WINDOW_TYPE", False);
   dpyinfo->Xatom_net_window_type_tooltip
     = XInternAtom (dpyinfo->display, "_NET_WM_WINDOW_TYPE_TOOLTIP", False);
+  dpyinfo->Xatom_net_wm_icon_name
+    = XInternAtom (dpyinfo->display, "_NET_WM_ICON_NAME", False);
+  dpyinfo->Xatom_net_wm_name
+    = XInternAtom (dpyinfo->display, "_NET_WM_NAME", False);
   
   dpyinfo->cut_buffers_initialized = 0;
 






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2010-07-04 17:18 bug#6563: [PATCH] 24.0.50; Set EWMH WM NAME properties James Cloos
2010-07-05 10:31 ` Jan Djärv

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