Tooltip for path entry

The current path entry can be partially obscured if the vertical divider
is pushed too far to the left.
This commit shows the current path as the tooltip.

diff --git a/src/layout.c b/src/layout.c
index 7e44358..f1e27e1 100644 (file)
--- a/src/layout.c
+++ b/src/layout.c
@@ -287,6 +287,24 @@ static void layout_path_entry_tab_append_cb(const gchar *path, gpointer data, gi
        gtk_widget_set_sensitive(lw->back_button, (n > 1));
 }
 
+static gboolean path_entry_tooltip_cb(GtkWidget *widget, gpointer data)
+{
+       LayoutWindow *lw = data;
+       GList *box_child_list;
+       GtkComboBox *path_entry;
+       gchar *current_path;
+
+       box_child_list = gtk_container_get_children(GTK_CONTAINER(widget));
+       path_entry = box_child_list->data;
+       current_path = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(path_entry));
+       gtk_widget_set_tooltip_text(GTK_WIDGET(widget), current_path);
+
+       g_free(current_path);
+       g_list_free(box_child_list);
+
+       return FALSE;
+}
+
 static GtkWidget *layout_tool_setup(LayoutWindow *lw)
 {
        GtkWidget *box;
@@ -311,6 +329,8 @@ static GtkWidget *layout_tool_setup(LayoutWindow *lw)
        tab_completion_add_append_func(lw->path_entry, layout_path_entry_tab_append_cb, lw);
        gtk_box_pack_start(GTK_BOX(box), tabcomp, FALSE, FALSE, 0);
        gtk_widget_show(tabcomp);
+       gtk_widget_set_has_tooltip(GTK_WIDGET(tabcomp), TRUE);
+       g_signal_connect(G_OBJECT(tabcomp), "query_tooltip", G_CALLBACK(path_entry_tooltip_cb), lw);
 
 #if GTK_CHECK_VERSION(3,20,0)
        g_signal_connect(G_OBJECT(gtk_widget_get_parent(gtk_widget_get_parent(lw->path_entry))), "changed",