Change the Escape key binding to only close if the dialog contains a

Fri Dec 13 18:57:20 2002  Owen Taylor  <otaylor@redhat.com>

        * gtk/gtkdialog.c: Change the Escape key binding to only close
        if the dialog contains a cancel button.  (Patch from
        James Willcox, #74221)

1 files changed, 39 insertions, 10 deletions

diff --git a/gtk/gtkdialog.c b/gtk/gtkdialog.c
index a2379aa196..c70b1541b4 100644
--- a/gtk/gtkdialog.c
+++ b/gtk/gtkdialog.c
@@ -35,6 +35,13 @@
 #include "gtkintl.h"
 #include "gtkbindings.h"
 
+typedef struct _ResponseData ResponseData;
+
+struct _ResponseData
+{
+  gint response_id;
+};
+
 static void gtk_dialog_class_init (GtkDialogClass *klass);
 static void gtk_dialog_init       (GtkDialog      *dialog);
 
@@ -60,6 +67,8 @@ static void gtk_dialog_map               (GtkWidget        *widget);
 
 static void gtk_dialog_close             (GtkDialog        *dialog);
 
+static ResponseData* get_response_data   (GtkWidget        *widget);
+
 enum {
   PROP_0,
   PROP_HAS_SEPARATOR
@@ -345,15 +354,42 @@ gtk_dialog_style_set (GtkWidget *widget,
   update_spacings (GTK_DIALOG (widget));
 }
 
+static gboolean
+dialog_has_cancel (GtkDialog *dialog)
+{
+  GList *children, *tmp_list;
+  gboolean ret = FALSE;
+      
+  children = gtk_container_get_children (GTK_CONTAINER (dialog->action_area));
+
+  for (tmp_list = children; tmp_list; tmp_list = tmp_list->next)
+    {
+      ResponseData *rd = get_response_data (tmp_list->data);
+      
+      if (rd && rd->response_id == GTK_RESPONSE_CANCEL)
+	{
+	  ret = TRUE;
+	  break;
+	}
+    }
+
+  g_list_free (children);
+
+  return ret;
+}
+
 static void
 gtk_dialog_close (GtkDialog *dialog)
 {
   /* Synthesize delete_event to close dialog. */
   
-  GdkEvent *event = gdk_event_new (GDK_DELETE);
-  GtkWidget *widget;
+  GtkWidget *widget = GTK_WIDGET (dialog);
+  GdkEvent *event;
 
-  widget = GTK_WIDGET (dialog);
+  if (!dialog_has_cancel (dialog))
+    return;
+
+  event = gdk_event_new (GDK_DELETE);
   
   event->any.window = g_object_ref (widget->window);
   event->any.send_event = TRUE;
@@ -459,13 +495,6 @@ gtk_dialog_new_with_buttons (const gchar    *title,
   return GTK_WIDGET (dialog);
 }
 
-typedef struct _ResponseData ResponseData;
-
-struct _ResponseData
-{
-  gint response_id;
-};
-
 static ResponseData*
 get_response_data (GtkWidget *widget)
 {