Add a way to set the heading of GtkAppChooserDialog

The application can probably set a better string than the default
we construct, like 'Select an application for "software" files'.

1 files changed, 67 insertions, 2 deletions

diff --git a/gtk/gtkappchooserdialog.c b/gtk/gtkappchooserdialog.c
index 1814a64367..a722d47206 100644
--- a/gtk/gtkappchooserdialog.c
+++ b/gtk/gtkappchooserdialog.c
@@ -62,6 +62,7 @@
 struct _GtkAppChooserDialogPrivate {
   char *content_type;
   GFile *gfile;
+  char *heading;
 
   GtkWidget *label;
   GtkWidget *button;
@@ -80,6 +81,7 @@ struct _GtkAppChooserDialogPrivate {
 enum {
   PROP_GFILE = 1,
   PROP_CONTENT_TYPE,
+  PROP_HEADING,
   N_PROPERTIES
 };
 
@@ -348,10 +350,13 @@ set_dialog_properties (GtkAppChooserDialog *self)
 
   font_desc = pango_font_description_new ();
   pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);
-  gtk_widget_modify_font (self->priv->label, font_desc);
+  gtk_widget_override_font (self->priv->label, font_desc);
   pango_font_description_free (font_desc);
 
-  gtk_label_set_markup (GTK_LABEL (self->priv->label), label);
+  if (self->priv->heading != NULL)
+    gtk_label_set_markup (GTK_LABEL (self->priv->label), self->priv->heading);
+  else
+    gtk_label_set_markup (GTK_LABEL (self->priv->label), label);
 
   default_text = g_strdup_printf ("<big><b>%s</b></big>\n%s",
                                   string,
@@ -621,6 +626,9 @@ gtk_app_chooser_dialog_set_property (GObject      *object,
       if (self->priv->content_type == NULL)
         self->priv->content_type = g_value_dup_string (value);
       break;
+    case PROP_HEADING:
+      gtk_app_chooser_dialog_set_heading (self, g_value_get_string (value));
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
@@ -644,6 +652,9 @@ gtk_app_chooser_dialog_get_property (GObject    *object,
     case PROP_CONTENT_TYPE:
       g_value_set_string (value, self->priv->content_type);
       break;
+    case PROP_HEADING:
+      g_value_set_string (value, self->priv->heading);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
@@ -687,6 +698,20 @@ gtk_app_chooser_dialog_class_init (GtkAppChooserDialogClass *klass)
                                G_PARAM_STATIC_STRINGS);
   g_object_class_install_property (gobject_class, PROP_GFILE, pspec);
 
+  /**
+   * GtkAppChooserDialog:heading:
+   *
+   * The text to show at the top of the dialog.
+   * The string may contain Pango markup.
+   */
+  pspec = g_param_spec_string ("heading",
+                               P_("Heading"),
+                               P_("The text to show at the top of the dialog"),
+                               NULL,
+                               G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+  g_object_class_install_property (gobject_class, PROP_HEADING, pspec);
+
+
   g_type_class_add_private (klass, sizeof (GtkAppChooserDialogPrivate));
 }
 
@@ -797,3 +822,43 @@ gtk_app_chooser_dialog_get_widget (GtkAppChooserDialog *self)
 
   return self->priv->app_chooser_widget;
 }
+
+/**
+ * gtk_app_chooser_dialog_set_heading:
+ * @self: a #GtkAppChooserDialog
+ * @heading: a string containing Pango markup
+ *
+ * Sets the text to display at the top of the dialog.
+ * If the heading is not set, the dialog displays a default text.
+ */
+void
+gtk_app_chooser_dialog_set_heading (GtkAppChooserDialog *self,
+                                    const gchar         *heading)
+{
+  g_return_if_fail (GTK_IS_APP_CHOOSER_DIALOG (self));
+
+  g_free (self->priv->heading);
+  self->priv->heading = g_strdup (heading);
+
+  if (self->priv->label && self->priv->heading)
+    gtk_label_set_markup (GTK_LABEL (self->priv->label), self->priv->heading);
+
+  g_object_notify (G_OBJECT (self), "heading");
+}
+
+/**
+ * gtk_app_chooser_dialog_get_heading:
+ * @self: a #GtkAppChooserDialog
+ *
+ * Returns the text to display at the top of the dialog.
+ *
+ * Returns: the text to display at the top of the dialog, or %NULL, in which
+ *     case a default text is displayed
+ */
+const gchar *
+gtk_app_chooser_dialog_get_heading (GtkAppChooserDialog *self)
+{
+  g_return_val_if_fail (GTK_IS_APP_CHOOSER_DIALOG (self), NULL);
+
+  return self->priv->heading;
+}