[nautilus] toolbar: port from gtk_menu_popup()

[Ernestas Kulik <ernestask src gnome org>]

commit 0782ed9f161ed236abe3ed27045cd50c581ae527
Author: Ernestas Kulik <ernestask src gnome org>
Date:   Sat Oct 22 15:13:35 2016 +0300

    toolbar: port from gtk_menu_popup()
    
    gtk_menu_popup() was deprecated in GTK+ 3.22. By replacing the call with
    one of the recommended ones, some code has also become redundant.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=773349

 src/nautilus-toolbar.c |  108 +++++++++++-------------------------------------
 1 files changed, 25 insertions(+), 83 deletions(-)
---
diff --git a/src/nautilus-toolbar.c b/src/nautilus-toolbar.c
index f6a26fd..215dc5a 100644
--- a/src/nautilus-toolbar.c
+++ b/src/nautilus-toolbar.c
@@ -184,78 +184,10 @@ fill_menu (NautilusWindow *window,
     }
 }
 
-/* adapted from gtk/gtkmenubutton.c */
-static void
-menu_position_func (GtkMenu   *menu,
-                    gint      *x,
-                    gint      *y,
-                    gboolean  *push_in,
-                    GtkWidget *widget)
-{
-    GtkWidget *toplevel;
-    GtkRequisition menu_req;
-    GdkRectangle monitor;
-    gint monitor_num;
-    GdkScreen *screen;
-    GdkWindow *window;
-    GtkAllocation allocation;
-
-    /* Set the dropdown menu hint on the toplevel, so the WM can omit the top side
-     * of the shadows.
-     */
-    toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menu));
-    gtk_window_set_type_hint (GTK_WINDOW (toplevel), GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU);
-
-    window = gtk_widget_get_window (widget);
-    screen = gtk_widget_get_screen (GTK_WIDGET (menu));
-    monitor_num = gdk_screen_get_monitor_at_window (screen, window);
-    if (monitor_num < 0)
-    {
-        monitor_num = 0;
-    }
-
-    gdk_screen_get_monitor_workarea (screen, monitor_num, &monitor);
-    gtk_widget_get_preferred_size (GTK_WIDGET (menu), &menu_req, NULL);
-    gtk_widget_get_allocation (widget, &allocation);
-    gdk_window_get_origin (window, x, y);
-
-    *x += allocation.x;
-    *y += allocation.y;
-
-    if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
-    {
-        *x -= MAX (menu_req.width - allocation.width, 0);
-    }
-    else
-    {
-        *x += MAX (allocation.width - menu_req.width, 0);
-    }
-
-    if ((*y + allocation.height + menu_req.height) <= monitor.y + monitor.height)
-    {
-        *y += allocation.height;
-    }
-    else if ((*y - menu_req.height) >= monitor.y)
-    {
-        *y -= menu_req.height;
-    }
-    else if (monitor.y + monitor.height - (*y + allocation.height) > *y)
-    {
-        *y += allocation.height;
-    }
-    else
-    {
-        *y -= menu_req.height;
-    }
-
-    *push_in = FALSE;
-}
-
 static void
 show_menu (NautilusToolbar *self,
            GtkWidget       *widget,
-           guint            button,
-           guint32          event_time)
+           const GdkEvent  *event)
 {
     NautilusWindow *window;
     GtkWidget *menu;
@@ -289,9 +221,10 @@ show_menu (NautilusToolbar *self,
     }
 
     gtk_menu_attach_to_widget (GTK_MENU (menu), GTK_WIDGET (window), NULL);
-    gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
-                    (GtkMenuPositionFunc) menu_position_func, widget,
-                    button, event_time);
+    gtk_menu_popup_at_widget (GTK_MENU (menu), widget,
+                              GDK_GRAVITY_SOUTH_WEST,
+                              GDK_GRAVITY_NORTH_WEST,
+                              event);
 }
 
 #define MENU_POPUP_TIMEOUT 1200
@@ -300,11 +233,13 @@ typedef struct
 {
     NautilusToolbar *self;
     GtkWidget *widget;
+    GdkEvent *event;
 } ScheduleMenuData;
 
 static void
 schedule_menu_data_free (ScheduleMenuData *data)
 {
+    gdk_event_free (data->event);
     g_slice_free (ScheduleMenuData, data);
 }
 
@@ -313,10 +248,12 @@ popup_menu_timeout_cb (gpointer user_data)
 {
     ScheduleMenuData *data = user_data;
 
-    show_menu (data->self, data->widget,
-               1, gtk_get_current_event_time ());
+    show_menu (data->self, data->widget, data->event);
 
-    return FALSE;
+    /* Need to also reset the ID here. */
+    unschedule_menu_popup_timeout (data->self);
+
+    return G_SOURCE_REMOVE;
 }
 
 static void
@@ -331,7 +268,8 @@ unschedule_menu_popup_timeout (NautilusToolbar *self)
 
 static void
 schedule_menu_popup_timeout (NautilusToolbar *self,
-                             GtkWidget       *widget)
+                             GtkWidget       *widget,
+                             GdkEvent        *event)
 {
     ScheduleMenuData *data;
 
@@ -341,28 +279,32 @@ schedule_menu_popup_timeout (NautilusToolbar *self,
     data = g_slice_new0 (ScheduleMenuData);
     data->self = self;
     data->widget = widget;
+    data->event = gdk_event_copy (event);
 
     self->popup_timeout_id = g_timeout_add_full (G_PRIORITY_DEFAULT, MENU_POPUP_TIMEOUT,
                                                  popup_menu_timeout_cb, data,
                                                  (GDestroyNotify) schedule_menu_data_free);
 }
 static gboolean
-navigation_button_press_cb (GtkButton      *button,
-                            GdkEventButton *event,
-                            gpointer        user_data)
+navigation_button_press_cb (GtkButton *button,
+                            GdkEvent  *event,
+                            gpointer   user_data)
 {
     NautilusToolbar *self = user_data;
+    GdkEventButton *button_event;
+
+    button_event = (GdkEventButton *)event;
 
-    if (event->button == 3)
+    if (button_event->button == 3)
     {
         /* right click */
-        show_menu (self, GTK_WIDGET (button), event->button, event->time);
+        show_menu (self, GTK_WIDGET (button), event);
         return TRUE;
     }
 
-    if (event->button == 1)
+    if (button_event->button == 1)
     {
-        schedule_menu_popup_timeout (self, GTK_WIDGET (button));
+        schedule_menu_popup_timeout (self, GTK_WIDGET (button), event);
     }
 
     return FALSE;