diff options
Diffstat (limited to 'eel')
-rw-r--r-- | eel/eel-gtk-extensions.c | 60 | ||||
-rw-r--r-- | eel/eel-gtk-extensions.h | 3 |
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 */ |