diff options
| -rw-r--r-- | pluma/dialogs/pluma-preferences-dialog.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/pluma/dialogs/pluma-preferences-dialog.c b/pluma/dialogs/pluma-preferences-dialog.c index 2712b59d..7d4da4aa 100644 --- a/pluma/dialogs/pluma-preferences-dialog.c +++ b/pluma/dialogs/pluma-preferences-dialog.c @@ -141,6 +141,8 @@ struct _PlumaPreferencesDialogPrivate G_DEFINE_TYPE_WITH_PRIVATE (PlumaPreferencesDialog, pluma_preferences_dialog, GTK_TYPE_DIALOG) +static gboolean pluma_preferences_dialog_page_scroll_event_cb (GtkWidget *notebook, + GdkEventScroll *event); static void pluma_preferences_dialog_class_init (PlumaPreferencesDialogClass *klass) @@ -1367,6 +1369,12 @@ pluma_preferences_dialog_init (PlumaPreferencesDialog *dlg) g_object_unref (dlg->priv->notebook); gtk_container_set_border_width (GTK_CONTAINER (dlg->priv->notebook), 5); + gtk_widget_add_events (dlg->priv->notebook, GDK_SCROLL_MASK); + g_signal_connect (dlg->priv->notebook, + "scroll-event", + G_CALLBACK (pluma_preferences_dialog_page_scroll_event_cb), + NULL); + setup_editor_page (dlg); setup_view_page (dlg); setup_font_colors_page (dlg); @@ -1397,3 +1405,47 @@ pluma_show_preferences_dialog (PlumaWindow *parent) gtk_window_present (GTK_WINDOW (preferences_dialog)); } + +static gboolean +pluma_preferences_dialog_page_scroll_event_cb (GtkWidget *widget, + GdkEventScroll *event) + +{ + 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: + break; + } + + return TRUE; +} |