2 files changed, 63 insertions, 0 deletions
diff --git a/eel/eel-gtk-extensions.c b/eel/eel-gtk-extensions.c
index aa9410b7..3a98c7d2 100644
--- a/eel/eel-gtk-extensions.c
+++ b/eel/eel-gtk-extensions.c
@@ -506,3 +506,63 @@ eel_image_menu_item_new_from_pixbuf (GdkPixbuf *icon_pixbuf,
 
 return menuitem;
 }
+
+gboolean
+eel_dialog_page_scroll_event_callback (GtkWidget *widget, GdkEventScroll *event, GtkWindow *window)
+{
+ GtkNotebook *notebook = GTK_NOTEBOOK (widget);
+ GtkWidget *child, *event_widget, *action_widget;
+
+ child = gtk_notebook_get_nth_page (notebook, gtk_notebook_get_current_page (notebook));
+ if (child == NULL)
+ return FALSE;
+
+ event_widget = gtk_get_event_widget ((GdkEvent *) event);
+
+ /* Ignore scroll events from the content of the page */
+ if (event_widget == NULL ||
+ event_widget == child ||
+ gtk_widget_is_ancestor (event_widget, child))
+ return FALSE;
+
+ /* And also from the action widgets */
+ action_widget = gtk_notebook_get_action_widget (notebook, GTK_PACK_START);
+ if (event_widget == action_widget ||
+ (action_widget != NULL && gtk_widget_is_ancestor (event_widget, action_widget)))
+ return FALSE;
+ action_widget = gtk_notebook_get_action_widget (notebook, GTK_PACK_END);
+ if (event_widget == action_widget ||
+ (action_widget != NULL && gtk_widget_is_ancestor (event_widget, action_widget)))
+ return FALSE;
+
+ switch (event->direction) {
+ case GDK_SCROLL_RIGHT:
+ case GDK_SCROLL_DOWN:
+ gtk_notebook_next_page (notebook);
+ break;
+ case GDK_SCROLL_LEFT:
+ case GDK_SCROLL_UP:
+ gtk_notebook_prev_page (notebook);
+ break;
+ case GDK_SCROLL_SMOOTH:
+ switch (gtk_notebook_get_tab_pos (notebook)) {
+ case GTK_POS_LEFT:
+ case GTK_POS_RIGHT:
+ if (event->delta_y > 0)
+ gtk_notebook_next_page (notebook);
+ else if (event->delta_y < 0)
+ gtk_notebook_prev_page (notebook);
+ break;
+ case GTK_POS_TOP:
+ case GTK_POS_BOTTOM:
+ if (event->delta_x > 0)
+ gtk_notebook_next_page (notebook);
+ else if (event->delta_x < 0)
+ gtk_notebook_prev_page (notebook);
+ break;
+ }
+ break;
+ }
+
+ return TRUE;
+}
diff --git a/eel/eel-gtk-extensions.h b/eel/eel-gtk-extensions.h
index 45accfd7..bc02da69 100644
--- a/eel/eel-gtk-extensions.h
+++ b/eel/eel-gtk-extensions.h
@@ -74,4 +74,7 @@ GtkWidget * eel_image_menu_item_new_from_icon (const gch
 GtkWidget * eel_image_menu_item_new_from_pixbuf (GdkPixbuf *icon_pixbuf,
 const gchar *label_name);
 
+gboolean eel_dialog_page_scroll_event_callback (GtkWidget *widget,
+ GdkEventScroll *event,
+ GtkWindow *window);
 #endif /* EEL_GTK_EXTENSIONS_H */