[gedit/wip/3.14-osx: 69/69] [osx] Custom delegate to implement applicaitonShouldHandleReopen

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 5c6ab339a146bc24858ffb9a5c32bbcdec4c0229
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Tue Aug 26 18:39:54 2014 +0200

    [osx] Custom delegate to implement applicaitonShouldHandleReopen

 gedit/gedit-app-osx.c |   80 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 78 insertions(+), 2 deletions(-)
---
diff --git a/gedit/gedit-app-osx.c b/gedit/gedit-app-osx.c
index 6253edc..d634dd4 100644
--- a/gedit/gedit-app-osx.c
+++ b/gedit/gedit-app-osx.c
@@ -30,11 +30,80 @@
 #include "gedit-commands.h"
 #include "gedit-recent.h"
 
+ interface GeditAppOSXDelegate : NSObject
+{
+       GeditAppOSX *app;
+       id<NSApplicationDelegate> orig;
+}
+
+- (id)initWithApp:(GeditAppOSX *)theApp;
+- (void)release;
+
+- (id)forwardingTargetForSelector:(SEL)aSelector;
+- (BOOL)respondsToSelector:(SEL)aSelector;
+
+- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)flag;
+
+ end
+
+ implementation GeditAppOSXDelegate
+- (id)initWithApp:(GeditAppOSX *)theApp
+{
+       [super init];
+       app = theApp;
+
+       orig = [NSApp delegate];
+       [NSApp setDelegate:self];
+
+       return self;
+}
+
+- (void)release
+{
+       [NSApp setDelegate:orig];
+       [super release];
+}
+
+- (id)forwardingTargetForSelector:(SEL)aSelector
+{
+       return orig;
+}
+
+- (BOOL)respondsToSelector:(SEL)aSelector
+{
+    return [super respondsToSelector:aSelector] || [orig respondsToSelector:aSelector];
+}
+
+- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)flag
+{
+       GeditWindow *window = NULL;
+
+       window = GEDIT_WINDOW (gtk_application_get_active_window (GTK_APPLICATION (app)));
+
+       if (!flag || !window)
+       {
+               // Simply create a new window with an empty doc
+               window = gedit_app_create_window (GEDIT_APP (app), NULL);
+
+               gedit_debug_message (DEBUG_APP, "Show window");
+               gtk_widget_show (GTK_WIDGET (window));
+
+               gedit_window_create_tab (window, TRUE);
+       }
+
+       gtk_window_present (GTK_WINDOW (window));
+       return NO;
+}
+
+ end
+
 struct _GeditAppOSXPrivate
 {
        GeditMenuExtension *recent_files_menu;
        gulong recent_manager_changed_id;
 
+       GeditAppOSXDelegate *app_delegate;
+
        GList *recent_actions;
        GeditRecentConfiguration recent_config;
 };
@@ -72,6 +141,8 @@ gedit_app_osx_finalize (GObject *object)
 
        gedit_recent_configuration_destroy (&app_osx->priv->recent_config);
 
+       [app_osx->priv->app_delegate release];
+
        G_OBJECT_CLASS (gedit_app_osx_parent_class)->finalize (object);
 }
 
@@ -273,6 +344,7 @@ static void
 gedit_app_osx_startup (GApplication *application)
 {
        GeditAppOSX *app_osx;
+       id delegate;
 
        const gchar *replace_accels[] = {
                "<Primary><Alt>F",
@@ -281,12 +353,14 @@ gedit_app_osx_startup (GApplication *application)
 
        G_APPLICATION_CLASS (gedit_app_osx_parent_class)->startup (application);
 
+       app_osx = GEDIT_APP_OSX (application);
+
+       app_osx->priv->app_delegate = [[[GeditAppOSXDelegate alloc] initWithApp:app_osx] retain];
+
        gtk_application_set_accels_for_action (GTK_APPLICATION (application),
                                               "win.replace",
                                               replace_accels);
 
-       app_osx = GEDIT_APP_OSX (application);
-
        gedit_recent_configuration_init_default (&app_osx->priv->recent_config);
 
        app_osx->priv->recent_files_menu = _gedit_app_extend_menu (GEDIT_APP (application),
@@ -301,6 +375,8 @@ gedit_app_osx_startup (GApplication *application)
        recent_files_menu_populate (app_osx);
 
        g_application_hold (application);
+
+       delegate = [NSApp delegate];
 }
 
 static void