[gnome-shell] Revert "Add an OSD for sticky modifiers"

[Matthias Clasen <matthiasc src gnome org>]

commit b4590da68620d2ba9cc4def7f63893dad3434295
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Apr 15 18:39:52 2013 -0400

    Revert "Add an OSD for sticky modifiers"
    
    This reverts commit 96994721ef38d330dae2ffc0101a83322b312117.

 js/Makefile.am             |  1 -
 js/ui/main.js              |  3 --
 js/ui/xkbHandler.js        | 72 ----------------------------------------------
 src/gnome-shell-plugin.c   | 32 ---------------------
 src/shell-global-private.h |  3 --
 src/shell-global.c         | 38 ------------------------
 6 files changed, 149 deletions(-)
---
diff --git a/js/Makefile.am b/js/Makefile.am
index b294dbe..62c8323 100644
--- a/js/Makefile.am
+++ b/js/Makefile.am
@@ -105,7 +105,6 @@ nobase_dist_js_DATA =       \
        ui/workspacesView.js    \
        ui/workspaceSwitcherPopup.js    \
        ui/xdndHandler.js       \
-       ui/xkbHandler.js        \
        ui/components/__init__.js               \
        ui/components/autorunManager.js         \
        ui/components/automountManager.js       \
diff --git a/js/ui/main.js b/js/ui/main.js
index 3ca0901..f438114 100644
--- a/js/ui/main.js
+++ b/js/ui/main.js
@@ -36,7 +36,6 @@ const ShellMountOperation = imports.ui.shellMountOperation;
 const WindowManager = imports.ui.windowManager;
 const Magnifier = imports.ui.magnifier;
 const XdndHandler = imports.ui.xdndHandler;
-const XkbHandler = imports.ui.xkbHandler;
 const Util = imports.misc.util;
 
 const OVERRIDES_SCHEMA = 'org.gnome.shell.overrides';
@@ -64,7 +63,6 @@ let modalActorFocusStack = [];
 let uiGroup = null;
 let magnifier = null;
 let xdndHandler = null;
-let xkbHandler = null;
 let keyboard = null;
 let layoutManager = null;
 let _startDate;
@@ -141,7 +139,6 @@ function _initializeUI() {
     uiGroup = layoutManager.uiGroup;
 
     xdndHandler = new XdndHandler.XdndHandler();
-    xkbHandler = new XkbHandler.XkbHandler();
     ctrlAltTabManager = new CtrlAltTab.CtrlAltTabManager();
     osdWindow = new OsdWindow.OsdWindow();
     overview = new Overview.Overview();
diff --git a/src/gnome-shell-plugin.c b/src/gnome-shell-plugin.c
index 96ac9cc..3470637 100644
--- a/src/gnome-shell-plugin.c
+++ b/src/gnome-shell-plugin.c
@@ -35,7 +35,6 @@
 #include <gjs/gjs.h>
 #include <meta/display.h>
 #include <meta/meta-plugin.h>
-#include <X11/XKBlib.h>
 
 #include "shell-global-private.h"
 #include "shell-perf-log.h"
@@ -102,9 +101,6 @@ struct _GnomeShellPlugin
   guint have_swap_event : 1;
   CoglContext *cogl_context;
 
-  int xkb_event_base;
-  XkbDescPtr xkb;
-
   ShellGlobal *global;
 };
 
@@ -191,10 +187,6 @@ gnome_shell_plugin_start (MetaPlugin *plugin)
   int status;
   GjsContext *gjs_context;
   ClutterBackend *backend;
-  MetaScreen *screen;
-  MetaDisplay *display;
-  Display *xdisplay;
-  int xkb_base_error_type, xkb_opcode;
 
   backend = clutter_get_default_backend ();
   shell_plugin->cogl_context = clutter_backend_get_cogl_context (backend);
@@ -207,26 +199,6 @@ gnome_shell_plugin_start (MetaPlugin *plugin)
                                "GL buffer swap complete event received (with timestamp of completion)",
                                "x");
 
-  screen = meta_plugin_get_screen (META_PLUGIN (shell_plugin));
-  display = meta_screen_get_display (screen);
-  xdisplay = meta_display_get_xdisplay (display);
-  if (!XkbQueryExtension (xdisplay, &xkb_opcode,
-                          &shell_plugin->xkb_event_base,
-                          &xkb_base_error_type,
-                          NULL, NULL))
-    {
-      shell_plugin->xkb_event_base = -1;
-      g_message ("could not find XKB extension.");
-    }
-  else
-    {
-      shell_plugin->xkb = XkbGetMap (xdisplay,
-                                     XkbAllComponentsMask,
-                                     XkbUseCoreKbd);
-      XkbSelectEvents (xdisplay, XkbUseCoreKbd,
-                       XkbAllEventsMask, XkbAllEventsMask);
-    }
-
   shell_plugin->global = shell_global_get ();
   _shell_global_set_plugin (shell_plugin->global, META_PLUGIN (shell_plugin));
 
@@ -417,10 +389,6 @@ gnome_shell_plugin_xevent_filter (MetaPlugin *plugin,
   if (_shell_global_check_xdnd_event (shell_plugin->global, xev))
     return TRUE;
 
-  if (xev->type == shell_plugin->xkb_event_base &&
-      _shell_global_check_xkb_event (shell_plugin->global, xev))
-    return TRUE;
-
   return clutter_x11_handle_event (xev) != CLUTTER_X11_FILTER_CONTINUE;
 }
 
diff --git a/src/shell-global-private.h b/src/shell-global-private.h
index f681228..786719f 100644
--- a/src/shell-global-private.h
+++ b/src/shell-global-private.h
@@ -16,7 +16,4 @@ GjsContext *_shell_global_get_gjs_context (ShellGlobal  *global);
 gboolean _shell_global_check_xdnd_event (ShellGlobal  *global,
                                          XEvent       *xev);
 
-gboolean _shell_global_check_xkb_event  (ShellGlobal  *global,
-                                         XEvent       *xev);
-
 #endif /* __SHELL_GLOBAL_PRIVATE_H__ */
diff --git a/src/shell-global.c b/src/shell-global.c
index c80df4f..889e146 100644
--- a/src/shell-global.c
+++ b/src/shell-global.c
@@ -16,7 +16,6 @@
 #include <locale.h>
 
 #include <X11/extensions/Xfixes.h>
-#include <X11/XKBlib.h>
 #include <canberra.h>
 #include <canberra-gtk.h>
 #include <clutter/glx/clutter-glx.h>
@@ -123,7 +122,6 @@ enum
  XDND_POSITION_CHANGED,
  XDND_LEAVE,
  XDND_ENTER,
- XKB_STATE_CHANGED,
  NOTIFY_ERROR,
  LAST_SIGNAL
 };
@@ -340,15 +338,6 @@ shell_global_class_init (ShellGlobalClass *klass)
                     NULL, NULL, NULL,
                     G_TYPE_NONE, 0);
 
-  shell_global_signals[XKB_STATE_CHANGED] =
-      g_signal_new ("xkb-state-changed",
-                    G_TYPE_FROM_CLASS (klass),
-                    G_SIGNAL_RUN_LAST,
-                    0,
-                    NULL, NULL, NULL,
-                    G_TYPE_NONE, 2,
-                    G_TYPE_UINT, G_TYPE_UINT);
-
   shell_global_signals[NOTIFY_ERROR] =
       g_signal_new ("notify-error",
                     G_TYPE_FROM_CLASS (klass),
@@ -1790,30 +1779,3 @@ shell_global_get_session_mode (ShellGlobal *global)
 
   return global->session_mode;
 }
-
-static void
-notify_xkb_state (ShellGlobal         *global,
-                  XkbStateNotifyEvent *event)
-{
-  if (event->changed & (XkbModifierLatchMask | XkbModifierLockMask))
-    g_signal_emit_by_name (G_OBJECT (global), "xkb-state-changed",
-                           event->latched_mods, event->locked_mods);
-}
-
-gboolean
-_shell_global_check_xkb_event (ShellGlobal *global,
-                               XEvent      *event)
-{
-  XkbEvent *xkb_event = (XkbEvent *)event;
-
-  switch (xkb_event->any.xkb_type)
-    {
-    case XkbStateNotify:
-      notify_xkb_state (global, &xkb_event->state);
-      break;
-    default:
-      break;
-    }
-
-  return FALSE;
-}