From c6949a852235bedb44126c3c6f36e1fba4b71bce Mon Sep 17 00:00:00 2001
From: fujiwarat <takao.fujiwara1@gmail.com>
Date: Tue, 8 Feb 2011 18:21:50 +0900
Subject: [PATCH] Added the optional sync mode apps in IBusIMContext.

---
 client/gtk2/ibusimcontext.c |   27 +++++++++++++++++++++++++++
 configure.ac                |   11 +++++++++++
 2 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/client/gtk2/ibusimcontext.c b/client/gtk2/ibusimcontext.c
index bb5ae5c..a4e46cb 100644
--- a/client/gtk2/ibusimcontext.c
+++ b/client/gtk2/ibusimcontext.c
@@ -79,6 +79,7 @@ static const gchar *_no_snooper_apps = NO_SNOOPER_APPS;
 static gboolean _use_key_snooper = ENABLE_SNOOPER;
 static guint    _key_snooper_id = 0;
 
+static const gchar *_sync_mode_apps = SYNC_MODE_APPS;
 static gboolean _use_sync_mode = FALSE;
 
 static GtkIMContext *_focus_im_context = NULL;
@@ -477,6 +478,32 @@ ibus_im_context_class_init (IBusIMContextClass *class)
         g_strfreev (apps);
     }
 
+    /* env IBUS_SYNC_MODE_APPS for sync mode apps */
+    /* It seems MetaDisplay does not take the events from gdk_event_put()
+     * in async mode. So if gnome-shell + mutter are used,
+     * the key events are lost in async mode.
+     * gnome-shell search box, actually st_im_text_key_press_event(),
+     * does not call the parent filter_keypress() when the IM client
+     * returns TRUE. The class inherits ClutterActor which is not
+     * GtkWidget so the clutter does not call GTK snoopers.
+     * So ibus_im_context_filter_keypress() needs to return FALSE. */
+    if (!_use_sync_mode) {
+        /* enable sync mode if app is in _sync_mode_apps */
+        const gchar * prgname = g_get_prgname ();
+        if (g_getenv ("IBUS_SYNC_MODE_APPS")) {
+            _sync_mode_apps = g_getenv ("IBUS_SYNC_MODE_APPS");
+        }
+        gchar **p;
+        gchar ** apps = g_strsplit (_sync_mode_apps, ",", 0);
+        for (p = apps; *p != NULL; p++) {
+            if (g_regex_match_simple (*p, prgname, 0, 0)) {
+                _use_sync_mode = TRUE;
+                break;
+            }
+        }
+        g_strfreev (apps);
+    }
+
     /* init bus object */
     if (_bus == NULL) {
         ibus_set_display (gdk_display_get_name (gdk_display_get_default ()));
diff --git a/configure.ac b/configure.ac
index 1a1e663..81efe81 100644
--- a/configure.ac
+++ b/configure.ac
@@ -354,6 +354,16 @@ AC_ARG_WITH(no-snooper-apps,
 AC_DEFINE_UNQUOTED(NO_SNOOPER_APPS, "$NO_SNOOPER_APPS",
     [Does not enbale keyboard snooper in those applications])
 
+# option for sync mode applications.
+AC_ARG_WITH(sync-mode-apps,
+    AS_HELP_STRING([--with-sync-mode-apps[=regex1,regex2]],
+        [Enable sync mode in those applications (like: .*chrome.*,firefox.*)]),
+    [SYNC_MODE_APPS=$with_sync_mode_apps],
+    [SYNC_MODE_APPS=[mutter]]
+)
+AC_DEFINE_UNQUOTED(SYNC_MODE_APPS, "$SYNC_MODE_APPS",
+    [Enbale sync mode in those applications])
+
 # check iso-codes
 PKG_CHECK_MODULES(ISOCODES, [
     iso-codes
@@ -423,6 +433,7 @@ Build options:
   Build vala binding        $enable_vala
   Build document            $enable_gtk_doc
   Enable key snooper        $enable_key_snooper
+  Sync mode regexes         "$SYNC_MODE_APPS"
   No snooper regexes        "$NO_SNOOPER_APPS"
 ])
 
-- 
1.7.3.2