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| author | Laurent Napias <[email protected]> | 2019-07-08 21:19:54 +0200 |
|---|---|---|
| committer | lukefromdc <[email protected]> | 2019-07-09 18:04:34 +0000 |
| commit | 6a4266535f537c7bbc7964245cb0d5f4fa1311db (patch) | |
| tree | cae7eb3fcd43628fb1fcd313af2225e48b478cb4 | |
| parent | 1fd43b26ae8af38494c0ff91d366493ce037bb32 (diff) | |
| download | mate-panel-6a4266535f537c7bbc7964245cb0d5f4fa1311db.tar.bz2 mate-panel-6a4266535f537c7bbc7964245cb0d5f4fa1311db.tar.xz | |
[clock-applet] Add scroll interface tabs with mouse wheel
| -rw-r--r-- | applets/clock/clock.c | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/applets/clock/clock.c b/applets/clock/clock.c index b752099a..7a4ba290 100644 --- a/applets/clock/clock.c +++ b/applets/clock/clock.c @@ -3245,13 +3245,82 @@ ensure_prefs_window_is_created (ClockData *cd) fill_prefs_window (cd); } +static gboolean +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 display_properties_dialog (ClockData *cd, gboolean start_in_locations_page) { ensure_prefs_window_is_created (cd); + GtkWidget *notebook = _clock_get_widget (cd, "notebook"); + gtk_widget_add_events (notebook, GDK_SCROLL_MASK); + g_signal_connect (GTK_NOTEBOOK (notebook), "scroll-event", + G_CALLBACK (dialog_page_scroll_event_cb), GTK_WINDOW (cd->prefs_window)); + + if (start_in_locations_page) { - GtkWidget *notebook = _clock_get_widget (cd, "notebook"); gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), 1); } |