[mutter] prefs: add get_/set_ignore_request_hide_titlebar ()

[Rico Tzschichholz <ricotz src gnome org>]

commit 78c966321a23b5c47e7800fb5613cf5a5d5e9ab8
Author: Rico Tzschichholz <ricotz t-online de>
Date:   Sun Jul 1 19:25:08 2012 +0200

    prefs: add get_/set_ignore_request_hide_titlebar ()
    
    Enables the possibility to ignore GTK_HIDE_TITLEBAR_WHEN_MAXIMIZED
    to prevent hiding the titlebar of applications even if they
    requested so.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=678947

 src/core/prefs.c        |   13 +++++++++++++
 src/core/window-props.c |    2 +-
 src/meta/prefs.h        |    3 +++
 3 files changed, 17 insertions(+), 1 deletions(-)
---
diff --git a/src/core/prefs.c b/src/core/prefs.c
index 3f3050d..bbd3484 100644
--- a/src/core/prefs.c
+++ b/src/core/prefs.c
@@ -96,6 +96,7 @@ static int   draggable_border_width = 10;
 static gboolean resize_with_right_button = FALSE;
 static gboolean edge_tiling = FALSE;
 static gboolean force_fullscreen = TRUE;
+static gboolean ignore_request_hide_titlebar = FALSE;
 
 static GDesktopVisualBellType visual_bell_type = G_DESKTOP_VISUAL_BELL_FULLSCREEN_FLASH;
 static MetaButtonLayout button_layout;
@@ -2149,3 +2150,15 @@ meta_prefs_set_force_fullscreen (gboolean whether)
 {
   force_fullscreen = whether;
 }
+
+gboolean
+meta_prefs_get_ignore_request_hide_titlebar (void)
+{
+  return ignore_request_hide_titlebar;
+}
+
+void
+meta_prefs_set_ignore_request_hide_titlebar (gboolean whether)
+{
+  ignore_request_hide_titlebar = whether;
+}
diff --git a/src/core/window-props.c b/src/core/window-props.c
index 1f5f045..e08c89c 100644
--- a/src/core/window-props.c
+++ b/src/core/window-props.c
@@ -1600,7 +1600,7 @@ reload_gtk_hide_titlebar_when_maximized (MetaWindow    *window,
   gboolean requested_value = FALSE;
   gboolean current_value = window->hide_titlebar_when_maximized;
 
-  if (value->type != META_PROP_VALUE_INVALID)
+  if (!meta_prefs_get_ignore_request_hide_titlebar () && value->type != META_PROP_VALUE_INVALID)
     {
       requested_value = ((int) value->v.cardinal == 1);
       meta_verbose ("Request to hide titlebar for window %s.\n", window->desc);
diff --git a/src/meta/prefs.h b/src/meta/prefs.h
index e72690a..156f728 100644
--- a/src/meta/prefs.h
+++ b/src/meta/prefs.h
@@ -131,6 +131,9 @@ void     meta_prefs_set_no_tab_popup (gboolean whether);
 
 int      meta_prefs_get_draggable_border_width (void);
 
+gboolean meta_prefs_get_ignore_request_hide_titlebar (void);
+void     meta_prefs_set_ignore_request_hide_titlebar (gboolean whether);
+
 /* XXX FIXME This should be x-macroed, but isn't yet because it would be
  * difficult (or perhaps impossible) to add the suffixes using the current
  * system.  It needs some more thought, perhaps after the current system