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[Emacs-diffs] /srv/bzr/emacs/trunk r102359: Apply XAtom revork patches f


From: Jan D.
Subject: [Emacs-diffs] /srv/bzr/emacs/trunk r102359: Apply XAtom revork patches from Julien Danjou.
Date: Fri, 12 Nov 2010 10:31:44 +0100
User-agent: Bazaar (2.0.3)

------------------------------------------------------------
revno: 102359
committer: Jan D. <address@hidden>
branch nick: trunk
timestamp: Fri 2010-11-12 10:31:44 +0100
message:
  Apply XAtom revork patches from Julien Danjou.
  
  * xsettings.c (init_xsettings): Use already fetch atoms.
  
  * xsmfns.c (create_client_leader_window): Use SM_CLIENT_ID atom
  from dpyinfo.
  
  * xselect.c (Fx_send_client_event): Split and create
  x_send_client_event.
  
  * lisp.h: Do not EXFUN Fx_send_client_event.
  
  * xterm.c (x_set_frame_alpha): Use _NET_WM_WINDOW_OPACITY atom
  from dpyinfo.
  (wm_supports): Use atoms from dpyinfo.
  (do_ewmh_fullscreen): Use atoms from dpyinfo.
  (x_ewmh_activate_frame): Use atoms from dpyinfo.
  (xembed_set_info): Use atoms from dpyinfo.
  (x_term_init): Fetch _XEMBED_INFO, _NET_SUPPORTED,
  _NET_SUPPORTING_WM_CHECK, _NET_WM_WINDOW_OPACITY and
  _NET_ACTIVE_WINDOW, XSETTINGS  atoms.
  Get all atoms in one round-trip.
  (set_wm_state): Use x_send_client_event rather than
  Fx_send_client_event, using Atom directly.
  (x_ewmh_activate_frame): Ditto.
  (x_set_sticky): Pass atoms to set_wm_state.
  (do_ewmh_fullscreen): Ditto.
  
  
  * xterm.h (x_display_info): Add Xatom_net_supported,
  Xatom_net_supporting_wm_check, Xatom_net_active_window,
  Xatom_net_wm_window_opacity, Xatom_XEMBED_INFO, SM_CLIENT_ID.
  
  * xfns.c (Fx_show_tip): Fix typo in docstring.
modified:
  src/ChangeLog
  src/lisp.h
  src/xselect.c
  src/xsettings.c
  src/xsmfns.c
  src/xterm.c
  src/xterm.h
=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2010-11-12 08:46:21 +0000
+++ b/src/ChangeLog     2010-11-12 09:31:44 +0000
@@ -1,5 +1,36 @@
 2010-11-11  Julien Danjou  <address@hidden>
 
+       * xsettings.c (init_xsettings): Use already fetch atoms.
+
+       * xsmfns.c (create_client_leader_window): Use SM_CLIENT_ID atom
+       from dpyinfo.
+
+       * xselect.c (Fx_send_client_event): Split and create
+       x_send_client_event.
+
+       * lisp.h: Do not EXFUN Fx_send_client_event.
+
+       * xterm.c (x_set_frame_alpha): Use _NET_WM_WINDOW_OPACITY atom
+       from dpyinfo.
+       (wm_supports): Use atoms from dpyinfo.
+       (do_ewmh_fullscreen): Use atoms from dpyinfo.
+       (x_ewmh_activate_frame): Use atoms from dpyinfo.
+       (xembed_set_info): Use atoms from dpyinfo.
+       (x_term_init): Fetch _XEMBED_INFO, _NET_SUPPORTED,
+       _NET_SUPPORTING_WM_CHECK, _NET_WM_WINDOW_OPACITY and
+       _NET_ACTIVE_WINDOW, XSETTINGS  atoms.
+       Get all atoms in one round-trip.
+       (set_wm_state): Use x_send_client_event rather than
+       Fx_send_client_event, using Atom directly.
+       (x_ewmh_activate_frame): Ditto.
+       (x_set_sticky): Pass atoms to set_wm_state.
+       (do_ewmh_fullscreen): Ditto.
+
+
+       * xterm.h (x_display_info): Add Xatom_net_supported,
+       Xatom_net_supporting_wm_check, Xatom_net_active_window,
+       Xatom_net_wm_window_opacity, Xatom_XEMBED_INFO, SM_CLIENT_ID.
+
        * xfns.c (Fx_show_tip): Fix typo in docstring.
 
 2010-11-11  Stefan Monnier  <address@hidden>

=== modified file 'src/lisp.h'
--- a/src/lisp.h        2010-10-31 18:50:02 +0000
+++ b/src/lisp.h        2010-11-12 09:31:44 +0000
@@ -3600,7 +3600,6 @@
 extern void syms_of_xsmfns (void);
 
 /* Defined in xselect.c */
-EXFUN (Fx_send_client_event, 6);
 extern void syms_of_xselect (void);
 
 /* Defined in xterm.c */

=== modified file 'src/xselect.c'
--- a/src/xselect.c     2010-09-02 09:47:08 +0000
+++ b/src/xselect.c     2010-11-12 09:31:44 +0000
@@ -2527,6 +2527,18 @@
   (Lisp_Object display, Lisp_Object dest, Lisp_Object from, Lisp_Object 
message_type, Lisp_Object format, Lisp_Object values)
 {
   struct x_display_info *dpyinfo = check_x_display_info (display);
+
+  x_send_client_event(display, dest, from,
+                      XInternAtom (dpyinfo->display, SDATA (message_type), 
False),
+                      format, values);
+
+  return Qnil;
+}
+
+void
+x_send_client_event (Lisp_Object display, Lisp_Object dest, Lisp_Object from, 
Atom message_type, Lisp_Object format, Lisp_Object values)
+{
+  struct x_display_info *dpyinfo = check_x_display_info (display);
   Window wdest;
   XEvent event;
   Lisp_Object cons;
@@ -2584,8 +2596,7 @@
 
   BLOCK_INPUT;
 
-  event.xclient.message_type
-    = XInternAtom (dpyinfo->display, SDATA (message_type), False);
+  event.xclient.message_type = message_type;
   event.xclient.display = dpyinfo->display;
 
   /* Some clients (metacity for example) expects sending window to be here
@@ -2610,8 +2621,6 @@
   }
   x_uncatch_errors ();
   UNBLOCK_INPUT;
-
-  return Qnil;
 }
 
 

=== modified file 'src/xsettings.c'
--- a/src/xsettings.c   2010-07-28 17:34:51 +0000
+++ b/src/xsettings.c   2010-11-12 09:31:44 +0000
@@ -656,18 +656,10 @@
 static void
 init_xsettings (struct x_display_info *dpyinfo)
 {
-  char sel[64];
   Display *dpy = dpyinfo->display;
 
   BLOCK_INPUT;
 
-  sprintf (sel, "_XSETTINGS_S%d", XScreenNumberOfScreen (dpyinfo->screen));
-  dpyinfo->Xatom_xsettings_sel = XInternAtom (dpy, sel, False);
-  dpyinfo->Xatom_xsettings_prop = XInternAtom (dpy,
-                                               "_XSETTINGS_SETTINGS",
-                                               False);
-  dpyinfo->Xatom_xsettings_mgr = XInternAtom (dpy, "MANAGER", False);
-
   /* Select events so we can detect client messages sent when selection
      owner changes.  */
   XSelectInput (dpy, dpyinfo->root_window, StructureNotifyMask);

=== modified file 'src/xsmfns.c'
--- a/src/xsmfns.c      2010-08-11 12:34:46 +0000
+++ b/src/xsmfns.c      2010-11-12 09:31:44 +0000
@@ -410,8 +410,8 @@
   XSetClassHint (dpyinfo->display, w, &class_hints);
   XStoreName (dpyinfo->display, w, class_hints.res_name);
 
-  sm_id = XInternAtom (dpyinfo->display, "SM_CLIENT_ID", False);
-  XChangeProperty (dpyinfo->display, w, sm_id, XA_STRING, 8, PropModeReplace,
+  XChangeProperty (dpyinfo->display, w, dpyinfo->Xatom_SM_CLIENT_ID,
+                   XA_STRING, 8, PropModeReplace,
                    (unsigned char *)client_id, strlen (client_id));
 
   dpyinfo->client_leader_window = w;

=== modified file 'src/xterm.c'
--- a/src/xterm.c       2010-11-09 20:07:10 +0000
+++ b/src/xterm.c       2010-11-12 09:31:44 +0000
@@ -442,7 +442,6 @@
 }
 
 #define OPAQUE  0xffffffff
-#define OPACITY "_NET_WM_WINDOW_OPACITY"
 
 void
 x_set_frame_alpha (struct frame *f)
@@ -486,7 +485,7 @@
     unsigned long n, left;
 
     x_catch_errors (dpy);
-    rc = XGetWindowProperty (dpy, win, XInternAtom(dpy, OPACITY, False),
+    rc = XGetWindowProperty (dpy, win, dpyinfo->Xatom_net_wm_window_opacity,
                             0L, 1L, False, XA_CARDINAL,
                             &actual, &format, &n, &left,
                             &data);
@@ -504,7 +503,7 @@
   }
 
   x_catch_errors (dpy);
-  XChangeProperty (dpy, win, XInternAtom (dpy, OPACITY, False),
+  XChangeProperty (dpy, win, dpyinfo->Xatom_net_wm_window_opacity,
                   XA_CARDINAL, 32, PropModeReplace,
                   (unsigned char *) &opac, 1L);
   x_uncatch_errors ();
@@ -8285,12 +8284,11 @@
    http://freedesktop.org/wiki/Specifications/wm-spec.  */
 
 static int
-wm_supports (struct frame *f, const char *atomname)
+wm_supports (struct frame *f, Atom want_atom)
 {
   Atom actual_type;
   unsigned long actual_size, bytes_remaining;
   int i, rc, actual_format;
-  Atom prop_atom;
   Window wmcheck_window;
   struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
   Window target_window = dpyinfo->root_window;
@@ -8298,15 +8296,13 @@
   Display *dpy = FRAME_X_DISPLAY (f);
   unsigned char *tmp_data = NULL;
   Atom target_type = XA_WINDOW;
-  Atom want_atom;
 
   BLOCK_INPUT;
 
-  prop_atom = XInternAtom (dpy, "_NET_SUPPORTING_WM_CHECK", False);
-
   x_catch_errors (dpy);
   rc = XGetWindowProperty (dpy, target_window,
-                           prop_atom, 0, max_len, False, target_type,
+                           dpyinfo->Xatom_net_supporting_wm_check,
+                           0, max_len, False, target_type,
                            &actual_type, &actual_format, &actual_size,
                            &bytes_remaining, &tmp_data);
 
@@ -8341,10 +8337,10 @@
       dpyinfo->net_supported_window = 0;
 
       target_type = XA_ATOM;
-      prop_atom = XInternAtom (dpy, "_NET_SUPPORTED", False);
       tmp_data = NULL;
       rc = XGetWindowProperty (dpy, target_window,
-                               prop_atom, 0, max_len, False, target_type,
+                               dpyinfo->Xatom_net_supported,
+                               0, max_len, False, target_type,
                                &actual_type, &actual_format, &actual_size,
                                &bytes_remaining, &tmp_data);
 
@@ -8362,7 +8358,6 @@
     }
 
   rc = 0;
-  want_atom = XInternAtom (dpy, atomname, False);
 
   for (i = 0; rc == 0 && i < dpyinfo->nr_net_supported_atoms; ++i)
     rc = dpyinfo->net_supported_atoms[i] == want_atom;
@@ -8374,31 +8369,31 @@
 }
 
 static void
-set_wm_state (Lisp_Object frame, int add, const char *what, const char *what2)
+set_wm_state (Lisp_Object frame, int add, Atom atom, Atom value)
 {
-  const char *atom = "_NET_WM_STATE";
-  Fx_send_client_event (frame, make_number (0), frame,
-                        make_unibyte_string (atom, strlen (atom)),
-                        make_number (32),
-                        /* 1 = add, 0 = remove */
+  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (frame));
+
+  x_send_client_event (frame, make_number (0), frame,
+                       dpyinfo->Xatom_net_wm_state,
+                       make_number (32),
+                       /* 1 = add, 0 = remove */
+                       Fcons
+                       (make_number (add ? 1 : 0),
                         Fcons
-                        (make_number (add ? 1 : 0),
-                         Fcons
-                         (make_unibyte_string (what, strlen (what)),
-                          what2 != 0
-                          ? Fcons (make_unibyte_string (what2, strlen (what2)),
-                                   Qnil)
-                          : Qnil)));
+                        (atom,
+                         value != 0 ? value : Qnil)));
 }
 
 void
 x_set_sticky (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
 {
   Lisp_Object frame;
+  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
 
   XSETFRAME (frame, f);
+
   set_wm_state (frame, NILP (new_value) ? 0 : 1,
-                "_NET_WM_STATE_STICKY", NULL);
+                dpyinfo->Xatom_net_wm_state_sticky, None);
 }
 
 /* Return the current _NET_WM_STATE.
@@ -8457,7 +8452,7 @@
           else
             *size_state = FULLSCREEN_HEIGHT;
         }
-      else if (a == dpyinfo->Xatom_net_wm_state_fullscreen_atom)
+      else if (a == dpyinfo->Xatom_net_wm_state_fullscreen)
         *size_state = FULLSCREEN_BOTH;
       else if (a == dpyinfo->Xatom_net_wm_state_sticky)
         *sticky = 1;
@@ -8472,7 +8467,8 @@
 static int
 do_ewmh_fullscreen (struct frame *f)
 {
-  int have_net_atom = wm_supports (f, "_NET_WM_STATE");
+  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+  int have_net_atom = wm_supports (f, dpyinfo->Xatom_net_wm_state);
   Lisp_Object lval = get_frame_param (f, Qfullscreen);
   int cur, dummy;
 
@@ -8481,14 +8477,11 @@
   /* Some window managers don't say they support _NET_WM_STATE, but they do say
      they support _NET_WM_STATE_FULLSCREEN.  Try that also.  */
   if (!have_net_atom)
-      have_net_atom = wm_supports (f, "_NET_WM_STATE_FULLSCREEN");
+    have_net_atom = wm_supports (f, dpyinfo->Xatom_net_wm_state_fullscreen);
 
   if (have_net_atom && cur != f->want_fullscreen)
     {
       Lisp_Object frame;
-      const char *fs = "_NET_WM_STATE_FULLSCREEN";
-      const char *fw = "_NET_WM_STATE_MAXIMIZED_HORZ";
-      const char *fh = "_NET_WM_STATE_MAXIMIZED_VERT";
 
       XSETFRAME (frame, f);
 
@@ -8500,33 +8493,38 @@
         case FULLSCREEN_BOTH:
           if (cur == FULLSCREEN_WIDTH || cur == FULLSCREEN_MAXIMIZED
               || cur == FULLSCREEN_HEIGHT)
-            set_wm_state (frame, 0, fw, fh);
-          set_wm_state (frame, 1, fs, NULL);
+            set_wm_state (frame, 0, dpyinfo->Xatom_net_wm_state_maximized_horz,
+                          dpyinfo->Xatom_net_wm_state_maximized_vert);
+          set_wm_state (frame, 1, dpyinfo->Xatom_net_wm_state_fullscreen, 
None);
           break;
         case FULLSCREEN_WIDTH:
           if (cur == FULLSCREEN_BOTH || cur == FULLSCREEN_HEIGHT
               || cur == FULLSCREEN_MAXIMIZED)
-            set_wm_state (frame, 0, fs, fh);
+            set_wm_state (frame, 0, dpyinfo->Xatom_net_wm_state_fullscreen,
+                          dpyinfo->Xatom_net_wm_state_maximized_vert);
           if (cur != FULLSCREEN_MAXIMIZED)
-            set_wm_state (frame, 1, fw, NULL);
+            set_wm_state (frame, 1, 
dpyinfo->Xatom_net_wm_state_maximized_horz, None);
           break;
         case FULLSCREEN_HEIGHT:
           if (cur == FULLSCREEN_BOTH || cur == FULLSCREEN_WIDTH
               || cur == FULLSCREEN_MAXIMIZED)
-            set_wm_state (frame, 0, fs, fw);
+            set_wm_state (frame, 0, dpyinfo->Xatom_net_wm_state_fullscreen,
+                          dpyinfo->Xatom_net_wm_state_maximized_horz);
           if (cur != FULLSCREEN_MAXIMIZED)
-            set_wm_state (frame, 1, fh, NULL);
+            set_wm_state (frame, 1, 
dpyinfo->Xatom_net_wm_state_maximized_vert, None);
           break;
         case FULLSCREEN_MAXIMIZED:
           if (cur == FULLSCREEN_BOTH)
-            set_wm_state (frame, 0, fs, NULL);
-          set_wm_state (frame, 1, fw, fh);
+            set_wm_state (frame, 0, dpyinfo->Xatom_net_wm_state_fullscreen, 
None);
+          set_wm_state (frame, 1, dpyinfo->Xatom_net_wm_state_maximized_horz,
+                        dpyinfo->Xatom_net_wm_state_maximized_vert);
           break;
         case FULLSCREEN_NONE:
           if (cur == FULLSCREEN_BOTH)
-            set_wm_state (frame, 0, fs, NULL);
+            set_wm_state (frame, 0, dpyinfo->Xatom_net_wm_state_fullscreen, 
None);
           else
-            set_wm_state (frame, 0, fw, fh);
+            set_wm_state (frame, 0, dpyinfo->Xatom_net_wm_state_maximized_horz,
+                          dpyinfo->Xatom_net_wm_state_maximized_vert);
         }
 
       f->want_fullscreen = FULLSCREEN_NONE;
@@ -8966,17 +8964,17 @@
   /* See Window Manager Specification/Extended Window Manager Hints at
      http://freedesktop.org/wiki/Specifications/wm-spec  */
 
-  const char *atom = "_NET_ACTIVE_WINDOW";
-  if (f->async_visible && wm_supports (f, atom))
+  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+  if (f->async_visible && wm_supports (f, dpyinfo->Xatom_net_active_window))
     {
       Lisp_Object frame;
       XSETFRAME (frame, f);
-      Fx_send_client_event (frame, make_number (0), frame,
-                            make_unibyte_string (atom, strlen (atom)),
-                            make_number (32),
-                            Fcons (make_number (1),
-                                   Fcons (make_number (last_user_time),
-                                          Qnil)));
+      x_send_client_event (frame, make_number (0), frame,
+                           dpyinfo->Xatom_net_active_window,
+                           make_number (32),
+                           Fcons (make_number (1),
+                                  Fcons (make_number (last_user_time),
+                                         Qnil)));
     }
 }
 
@@ -8996,13 +8994,13 @@
 {
   Atom atom;
   unsigned long data[2];
-
-  atom = XInternAtom (FRAME_X_DISPLAY (f), "_XEMBED_INFO", False);
+  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
 
   data[0] = XEMBED_VERSION;
   data[1] = flags;
 
-  XChangeProperty (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), atom, atom,
+  XChangeProperty (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
+                   dpyinfo->Xatom_XEMBED_INFO, dpyinfo->Xatom_XEMBED_INFO,
                   32, PropModeReplace, (unsigned char *) data, 2);
 }
 
@@ -10196,90 +10194,97 @@
       dpyinfo->resx = (mm < 1) ? 100 : pixels * 25.4 / mm;
     }
 
-  dpyinfo->Xatom_wm_protocols
-    = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False);
-  dpyinfo->Xatom_wm_take_focus
-    = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False);
-  dpyinfo->Xatom_wm_save_yourself
-    = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False);
-  dpyinfo->Xatom_wm_delete_window
-    = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False);
-  dpyinfo->Xatom_wm_change_state
-    = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False);
-  dpyinfo->Xatom_wm_configure_denied
-    = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False);
-  dpyinfo->Xatom_wm_window_moved
-    = XInternAtom (dpyinfo->display, "WM_MOVED", False);
-  dpyinfo->Xatom_wm_client_leader
-    = XInternAtom (dpyinfo->display, "WM_CLIENT_LEADER", False);
-  dpyinfo->Xatom_editres
-    = XInternAtom (dpyinfo->display, "Editres", False);
-  dpyinfo->Xatom_CLIPBOARD
-    = XInternAtom (dpyinfo->display, "CLIPBOARD", False);
-  dpyinfo->Xatom_TIMESTAMP
-    = XInternAtom (dpyinfo->display, "TIMESTAMP", False);
-  dpyinfo->Xatom_TEXT
-    = XInternAtom (dpyinfo->display, "TEXT", False);
-  dpyinfo->Xatom_COMPOUND_TEXT
-    = XInternAtom (dpyinfo->display, "COMPOUND_TEXT", False);
-  dpyinfo->Xatom_UTF8_STRING
-    = XInternAtom (dpyinfo->display, "UTF8_STRING", False);
-  dpyinfo->Xatom_DELETE
-    = XInternAtom (dpyinfo->display, "DELETE", False);
-  dpyinfo->Xatom_MULTIPLE
-    = XInternAtom (dpyinfo->display, "MULTIPLE", False);
-  dpyinfo->Xatom_INCR
-    = XInternAtom (dpyinfo->display, "INCR", False);
-  dpyinfo->Xatom_EMACS_TMP
-    = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False);
-  dpyinfo->Xatom_TARGETS
-    = XInternAtom (dpyinfo->display, "TARGETS", False);
-  dpyinfo->Xatom_NULL
-    = XInternAtom (dpyinfo->display, "NULL", False);
-  dpyinfo->Xatom_ATOM_PAIR
-    = XInternAtom (dpyinfo->display, "ATOM_PAIR", False);
-  /* For properties of font.  */
-  dpyinfo->Xatom_PIXEL_SIZE
-    = XInternAtom (dpyinfo->display, "PIXEL_SIZE", False);
-  dpyinfo->Xatom_AVERAGE_WIDTH
-    = XInternAtom (dpyinfo->display, "AVERAGE_WIDTH", False);
-  dpyinfo->Xatom_MULE_BASELINE_OFFSET
-    = XInternAtom (dpyinfo->display, "_MULE_BASELINE_OFFSET", False);
-  dpyinfo->Xatom_MULE_RELATIVE_COMPOSE
-    = XInternAtom (dpyinfo->display, "_MULE_RELATIVE_COMPOSE", False);
-  dpyinfo->Xatom_MULE_DEFAULT_ASCENT
-    = XInternAtom (dpyinfo->display, "_MULE_DEFAULT_ASCENT", False);
-
-  /* Ghostscript support.  */
-  dpyinfo->Xatom_PAGE = XInternAtom (dpyinfo->display, "PAGE", False);
-  dpyinfo->Xatom_DONE = XInternAtom (dpyinfo->display, "DONE", False);
-
-  dpyinfo->Xatom_Scrollbar = XInternAtom (dpyinfo->display, "SCROLLBAR",
-                                         False);
-
-  dpyinfo->Xatom_XEMBED = XInternAtom (dpyinfo->display, "_XEMBED",
-                                      False);
-
-  dpyinfo->Xatom_net_wm_state
-    = XInternAtom (dpyinfo->display, "_NET_WM_STATE", False);
-  dpyinfo->Xatom_net_wm_state_fullscreen_atom
-    = XInternAtom (dpyinfo->display, "_NET_WM_STATE_FULLSCREEN", False);
-  dpyinfo->Xatom_net_wm_state_maximized_horz
-    = XInternAtom (dpyinfo->display, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
-  dpyinfo->Xatom_net_wm_state_maximized_vert
-    = XInternAtom (dpyinfo->display, "_NET_WM_STATE_MAXIMIZED_VERT", False);
-  dpyinfo->Xatom_net_wm_state_sticky
-    = XInternAtom (dpyinfo->display, "_NET_WM_STATE_STICKY", False);
-  dpyinfo->Xatom_net_window_type
-    = 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->Xatom_net_frame_extents  
-    = XInternAtom (dpyinfo->display, "_NET_FRAME_EXTENTS", False);
+  {
+    const struct
+    {
+      const char *name;
+      Atom *atom;
+    } atom_refs[] = {
+      { "WM_PROTOCOLS", &dpyinfo->Xatom_wm_protocols  },
+      { "WM_TAKE_FOCUS", &dpyinfo->Xatom_wm_take_focus },
+      { "WM_SAVE_YOURSELF", &dpyinfo->Xatom_wm_save_yourself },
+      { "WM_DELETE_WINDOW", &dpyinfo->Xatom_wm_delete_window },
+      { "WM_CHANGE_STATE", &dpyinfo->Xatom_wm_change_state },
+      { "WM_CONFIGURE_DENIED", &dpyinfo->Xatom_wm_configure_denied },
+      { "WM_MOVED", &dpyinfo->Xatom_wm_window_moved },
+      { "WM_CLIENT_LEADER", &dpyinfo->Xatom_wm_client_leader },
+      { "Editres", &dpyinfo->Xatom_editres },
+      { "CLIPBOARD", &dpyinfo->Xatom_CLIPBOARD },
+      { "TIMESTAMP", &dpyinfo->Xatom_TIMESTAMP },
+      { "TEXT", &dpyinfo->Xatom_TEXT },
+      { "COMPOUND_TEXT", &dpyinfo->Xatom_COMPOUND_TEXT },
+      { "UTF8_STRING", &dpyinfo->Xatom_UTF8_STRING },
+      { "DELETE", &dpyinfo->Xatom_DELETE },
+      { "MULTIPLE", &dpyinfo->Xatom_MULTIPLE },
+      { "INCR", &dpyinfo->Xatom_INCR },
+      { "_EMACS_TMP_",  &dpyinfo->Xatom_EMACS_TMP },
+      { "TARGETS", &dpyinfo->Xatom_TARGETS },
+      { "NULL", &dpyinfo->Xatom_NULL },
+      { "ATOM_PAIR", &dpyinfo->Xatom_ATOM_PAIR },
+      { "_XEMBED_INFO", &dpyinfo->Xatom_XEMBED_INFO },
+      /* For properties of font.  */
+      { "PIXEL_SIZE", &dpyinfo->Xatom_PIXEL_SIZE },
+      { "AVERAGE_WIDTH", &dpyinfo->Xatom_AVERAGE_WIDTH },
+      { "_MULE_BASELINE_OFFSET", &dpyinfo->Xatom_MULE_BASELINE_OFFSET },
+      { "_MULE_RELATIVE_COMPOSE", &dpyinfo->Xatom_MULE_RELATIVE_COMPOSE },
+      { "_MULE_DEFAULT_ASCENT", &dpyinfo->Xatom_MULE_DEFAULT_ASCENT },
+      /* Ghostscript support.  */
+      { "DONE", &dpyinfo->Xatom_DONE },
+      { "PAGE", &dpyinfo->Xatom_PAGE },
+      { "SCROLLBAR", &dpyinfo->Xatom_Scrollbar },
+      { "_XEMBED", &dpyinfo->Xatom_XEMBED },
+      /* EWMH */
+      { "_NET_WM_STATE", &dpyinfo->Xatom_net_wm_state },
+      { "_NET_WM_STATE_FULLSCREEN", &dpyinfo->Xatom_net_wm_state_fullscreen },
+      { "_NET_WM_STATE_MAXIMIZED_HORZ",
+        &dpyinfo->Xatom_net_wm_state_maximized_horz },
+      { "_NET_WM_STATE_MAXIMIZED_VERT",
+        &dpyinfo->Xatom_net_wm_state_maximized_vert },
+      { "_NET_WM_STATE_STICKY", &dpyinfo->Xatom_net_wm_state_sticky },
+      { "_NET_WM_WINDOW_TYPE", &dpyinfo->Xatom_net_window_type },
+      { "_NET_WM_WINDOW_TYPE_TOOLTIP",
+        &dpyinfo->Xatom_net_window_type_tooltip },
+      { "_NET_WM_ICON_NAME", &dpyinfo->Xatom_net_wm_icon_name },
+      { "_NET_WM_NAME", &dpyinfo->Xatom_net_wm_name },
+      { "_NET_SUPPORTED",  &dpyinfo->Xatom_net_supported },
+      { "_NET_SUPPORTING_WM_CHECK", &dpyinfo->Xatom_net_supported },
+      { "_NET_WM_WINDOW_OPACITY", &dpyinfo->Xatom_net_wm_window_opacity },
+      { "_NET_ACTIVE_WINDOW", &dpyinfo->Xatom_net_active_window },
+      { "_NET_FRAME_EXTENTS", &dpyinfo->Xatom_net_frame_extents },
+      /* Session management */
+      { "SM_CLIENT_ID", &dpyinfo->Xatom_SM_CLIENT_ID },
+      { "_XSETTINGS_SETTINGS", &dpyinfo->Xatom_xsettings_prop },
+      { "MANAGER", &dpyinfo->Xatom_xsettings_mgr },
+    };
+
+    int i;
+    const int atom_count = sizeof (atom_refs) / sizeof (atom_refs[0]);
+    /* 1 for _XSETTINGS_SN  */
+    const int total_atom_count = 1 + atom_count;
+    Atom *atoms_return = xmalloc (sizeof (Atom) * total_atom_count);
+    char **atom_names = xmalloc (sizeof (char *) * total_atom_count);
+    char xsettings_atom_name[64];
+
+    for (i = 0; i < atom_count; i++)
+      atom_names[i] = (char *) atom_refs[i].name;
+
+    /* Build _XSETTINGS_SN atom name */
+    snprintf (xsettings_atom_name, sizeof (xsettings_atom_name),
+              "_XSETTINGS_S%d", XScreenNumberOfScreen (dpyinfo->screen));
+    atom_names[i] = xsettings_atom_name;
+
+    XInternAtoms (dpyinfo->display, atom_names, total_atom_count,
+                  False, atoms_return);
+
+    for (i = 0; i < atom_count; i++)
+      *atom_refs[i].atom = atoms_return[i];
+
+    /* Manual copy of last atom */
+    dpyinfo->Xatom_xsettings_sel = atoms_return[i];
+
+    xfree (atom_names);
+    xfree (atoms_return);
+  }
 
   dpyinfo->x_dnd_atoms_size = 8;
   dpyinfo->x_dnd_atoms_length = 0;

=== modified file 'src/xterm.h'
--- a/src/xterm.h       2010-11-09 20:07:10 +0000
+++ b/src/xterm.h       2010-11-12 09:31:44 +0000
@@ -270,7 +270,7 @@
   Atom Xatom_Scrollbar;
 
   /* Atom used in XEmbed client messages.  */
-  Atom Xatom_XEMBED;
+  Atom Xatom_XEMBED, Xatom_XEMBED_INFO;;
  
   /* The frame (if any) which has the X window that has keyboard focus.
      Zero if none.  This is examined by Ffocus_frame in xfns.c.  Note
@@ -332,13 +332,15 @@
 
   /* Extended window manager hints, Atoms supported by the window manager and
      atoms for settig the window type.  */
+  Atom Xatom_net_supported, Xatom_net_supporting_wm_check;
   Atom *net_supported_atoms;
   int nr_net_supported_atoms;
   Window net_supported_window;
   Atom Xatom_net_window_type, Xatom_net_window_type_tooltip;
+  Atom Xatom_net_active_window;
 
   /* Atoms dealing with EWMH (i.e. _NET_...) */
-  Atom Xatom_net_wm_state, Xatom_net_wm_state_fullscreen_atom,
+  Atom Xatom_net_wm_state, Xatom_net_wm_state_fullscreen,
     Xatom_net_wm_state_maximized_horz, Xatom_net_wm_state_maximized_vert,
     Xatom_net_wm_state_sticky, Xatom_net_frame_extents;
 
@@ -348,6 +350,11 @@
 
   /* Frame name and icon name */
   Atom Xatom_net_wm_name, Xatom_net_wm_icon_name;
+  /* Frame opacity */
+  Atom Xatom_net_wm_window_opacity;
+
+  /* SM */
+  Atom Xatom_SM_CLIENT_ID;
 };
 
 #ifdef HAVE_X_I18N
@@ -1011,6 +1018,13 @@
 extern void x_handle_selection_event (struct input_event *);
 extern void x_clear_frame_selections (struct frame *);
 
+extern void x_send_client_event (Lisp_Object display,
+                                 Lisp_Object dest,
+                                 Lisp_Object from,
+                                 Atom message_type,
+                                 Lisp_Object format,
+                                 Lisp_Object values);
+
 extern int x_handle_dnd_message (struct frame *,
                                  XClientMessageEvent *,
                                  struct x_display_info *,


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