Include popover for layout default button

In Preferences/Windows, for the Set Default Layout button include a
popover text to indicate to the user that the button has been
successfully pressed.

diff --git a/src/preferences.c b/src/preferences.c
index f270f6a..f09aa63 100644 (file)
--- a/src/preferences.c
+++ b/src/preferences.c
@@ -2331,6 +2331,37 @@ static void save_default_window_layout_cb(GtkWidget *widget, gpointer data)
        g_free(default_path);
 }
 
+#if GTK_CHECK_VERSION(3,22,0)
+static gboolean popover_cb(gpointer data)
+{
+       GtkPopover *popover = data;
+
+       gtk_popover_popdown(popover);
+
+       return FALSE;
+}
+
+static void default_layout_changed_cb(GtkWidget *button, GtkPopover *popover)
+{
+       gtk_popover_popup(popover);
+
+       g_timeout_add(2000, popover_cb, popover);
+}
+
+static GtkWidget *create_popover(GtkWidget *parent, GtkWidget *child, GtkPositionType pos)
+{
+       GtkWidget *popover;
+
+       popover = gtk_popover_new(parent);
+       gtk_popover_set_position(GTK_POPOVER (popover), pos);
+       gtk_container_add (GTK_CONTAINER(popover), child);
+       gtk_container_set_border_width(GTK_CONTAINER (popover), 6);
+       gtk_widget_show (child);
+
+       return popover;
+}
+#endif
+
 static void config_tab_windows(GtkWidget *notebook)
 {
        GtkWidget *hbox;
@@ -2369,6 +2400,14 @@ static void config_tab_windows(GtkWidget *notebook)
        pref_label_new(subgroup, _("Use current layout for default: "));
        button = pref_button_new(subgroup, NULL, _("Set"), FALSE, G_CALLBACK(save_default_window_layout_cb), NULL);
 
+#if GTK_CHECK_VERSION(3,22,0)
+       GtkWidget *popover;
+
+       popover = create_popover(button, gtk_label_new(_("Current window layout\nhas been set as default")), GTK_POS_TOP);
+       gtk_popover_set_modal(GTK_POPOVER (popover), FALSE);
+       g_signal_connect(button, "clicked", G_CALLBACK(default_layout_changed_cb), popover);
+#endif
+
        group = pref_group_new(vbox, FALSE, _("Size"), GTK_ORIENTATION_VERTICAL);
 
        pref_checkbox_new_int(group, _("Fit window to image when tools are hidden/floating"),