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| author | Laurent Napias <[email protected]> | 2019-06-30 22:09:50 +0200 |
|---|---|---|
| committer | raveit65 <[email protected]> | 2019-07-06 19:54:21 +0200 |
| commit | 14ee1dca6c4f7f20d085e47e467ba3bd0b228743 (patch) | |
| tree | db9021fcb07feaa4c27d13581cb1b719f26c2062 /mate-dictionary/src | |
| parent | 06bfd4db59f0e13cb8e994740df80ef311446466 (diff) | |
| download | mate-utils-14ee1dca6c4f7f20d085e47e467ba3bd0b228743.tar.bz2 mate-utils-14ee1dca6c4f7f20d085e47e467ba3bd0b228743.tar.xz | |
Add scroll tabs with mouse wheel
Diffstat (limited to 'mate-dictionary/src')
| -rw-r--r-- | mate-dictionary/src/gdict-pref-dialog.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/mate-dictionary/src/gdict-pref-dialog.c b/mate-dictionary/src/gdict-pref-dialog.c index e94ffc44..295cce46 100644 --- a/mate-dictionary/src/gdict-pref-dialog.c +++ b/mate-dictionary/src/gdict-pref-dialog.c @@ -577,6 +577,66 @@ gdict_pref_dialog_get_property (GObject *object, } } +static gboolean +gdict_dialog_page_scroll_event_cb (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; +} + static void gdict_pref_dialog_class_init (GdictPrefDialogClass *klass) { @@ -635,6 +695,10 @@ gdict_pref_dialog_init (GdictPrefDialog *dialog) /* keep all the interesting widgets around */ dialog->notebook = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "preferences_notebook")); + gtk_widget_add_events (dialog->notebook, GDK_SCROLL_MASK); + g_signal_connect (dialog->notebook, "scroll-event", + G_CALLBACK (gdict_dialog_page_scroll_event_cb), GTK_WINDOW (dialog)); + dialog->sources_view = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "sources_treeview")); build_sources_view (dialog); |