Entry menu items

1 files changed, 232 insertions, 0 deletions

diff --git a/src/idoentrymenuitem.c b/src/idoentrymenuitem.c
new file mode 100644
index 0000000..1d5bd54
--- /dev/null
+++ b/src/idoentrymenuitem.c
@@ -0,0 +1,232 @@
+/*
+ * Copyright (C) 2010 Canonical, Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors:
+ *    Cody Russell <crussell@canonical.com>
+ */
+
+#include "idoentrymenuitem.h"
+
+static void     ido_entry_menu_item_select            (GtkItem        *item);
+static void     ido_entry_menu_item_deselect          (GtkItem        *item);
+static gboolean ido_entry_menu_item_button_release    (GtkWidget      *widget,
+                                                       GdkEventButton *event);
+static gboolean ido_entry_menu_item_key_press         (GtkWidget      *widget,
+                                                       GdkEventKey    *event,
+                                                       gpointer        data);
+static gboolean ido_entry_menu_item_button_press      (GtkWidget      *widget,
+                                                       GdkEventButton *event);
+static void     ido_entry_menu_item_send_focus_change (GtkWidget *widget,
+                                                       gboolean   in);
+static void     entry_realized_cb                     (GtkWidget        *widget,
+                                                       IdoEntryMenuItem *item);
+static void     entry_move_focus_cb                   (GtkWidget        *widget,
+                                                       GtkDirectionType  direction,
+                                                       IdoEntryMenuItem *item);
+
+struct _IdoEntryMenuItemPrivate
+{
+  GtkWidget       *entry;
+  gboolean         selected;
+};
+
+G_DEFINE_TYPE (IdoEntryMenuItem, ido_entry_menu_item, GTK_TYPE_MENU_ITEM)
+
+#define IDO_ENTRY_MENU_ITEM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), IDO_TYPE_ENTRY_MENU_ITEM, IdoEntryMenuItemPrivate))
+
+static void
+ido_entry_menu_item_class_init (IdoEntryMenuItemClass *klass)
+{
+  GObjectClass     *gobject_class;
+  GtkWidgetClass   *widget_class;
+  GtkMenuItemClass *menu_item_class;
+  GtkItemClass     *item_class;
+
+  gobject_class = G_OBJECT_CLASS (klass);
+  widget_class = GTK_WIDGET_CLASS (klass);
+  menu_item_class = GTK_MENU_ITEM_CLASS (klass);
+  item_class = GTK_ITEM_CLASS (klass);
+
+  widget_class->button_release_event = ido_entry_menu_item_button_release;
+  widget_class->button_press_event = ido_entry_menu_item_button_press;
+
+  item_class->select = ido_entry_menu_item_select;
+  item_class->deselect = ido_entry_menu_item_deselect;
+
+  menu_item_class->hide_on_activate = FALSE;
+
+  g_type_class_add_private (gobject_class, sizeof (IdoEntryMenuItemPrivate));
+}
+
+static void
+ido_entry_menu_item_init (IdoEntryMenuItem *item)
+{
+  IdoEntryMenuItemPrivate *priv;
+
+  priv = item->priv = IDO_ENTRY_MENU_ITEM_GET_PRIVATE (item);
+
+  priv->entry = gtk_entry_new ();
+  g_signal_connect (priv->entry,
+                    "realize",
+                    G_CALLBACK (entry_realized_cb),
+                    item);
+  g_signal_connect (priv->entry,
+                    "move-focus",
+                    G_CALLBACK (entry_move_focus_cb),
+                    item);
+
+  gtk_widget_set_size_request (priv->entry, 100, -1);
+
+  gtk_container_add (GTK_CONTAINER (item), priv->entry);
+
+  gtk_widget_show (priv->entry);
+}
+
+static gboolean
+ido_entry_menu_item_button_release (GtkWidget      *widget,
+                                    GdkEventButton *event)
+{
+  return TRUE;
+}
+
+static gboolean
+ido_entry_menu_item_key_press (GtkWidget     *widget,
+                               GdkEventKey   *event,
+                               gpointer       data)
+{
+  IdoEntryMenuItem *menuitem = (IdoEntryMenuItem *)data;
+
+  if (menuitem->priv->selected)
+    {
+      gtk_widget_event (menuitem->priv->entry,
+                        (GdkEvent *)event);
+    }
+
+  return FALSE;
+}
+
+static void
+ido_entry_menu_item_send_focus_change (GtkWidget *widget,
+                   gboolean   in)
+{
+  GdkEvent *event = gdk_event_new (GDK_FOCUS_CHANGE);
+
+  g_object_ref (widget);
+
+  if (in)
+    {
+      GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
+    }
+  else
+    {
+      GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
+    }
+
+  event->focus_change.type = GDK_FOCUS_CHANGE;
+  event->focus_change.window = g_object_ref (widget->window);
+  event->focus_change.in = in;
+
+  gtk_widget_event (widget, event);
+
+  g_object_notify (G_OBJECT (widget), "has-focus");
+
+  g_object_unref (widget);
+  gdk_event_free (event);
+}
+
+static gboolean
+ido_entry_menu_item_button_press (GtkWidget      *widget,
+                                  GdkEventButton *event)
+{
+  GtkWidget *entry;
+
+  entry = IDO_ENTRY_MENU_ITEM (widget)->priv->entry;
+
+  if (entry->window != NULL)
+    {
+      gdk_window_raise (entry->window);
+    }
+
+  if (!GTK_WIDGET_HAS_FOCUS (entry))
+    {
+      gtk_widget_grab_focus (entry);
+    }
+
+  return FALSE;
+}
+
+static void
+ido_entry_menu_item_select (GtkItem *item)
+{
+  IDO_ENTRY_MENU_ITEM (item)->priv->selected = TRUE;
+
+  ido_entry_menu_item_send_focus_change (GTK_WIDGET (IDO_ENTRY_MENU_ITEM (item)->priv->entry), TRUE);
+}
+
+static void
+ido_entry_menu_item_deselect (GtkItem *item)
+{
+  IDO_ENTRY_MENU_ITEM (item)->priv->selected = FALSE;
+
+  ido_entry_menu_item_send_focus_change (GTK_WIDGET (IDO_ENTRY_MENU_ITEM (item)->priv->entry), FALSE);
+}
+
+
+static void
+entry_realized_cb (GtkWidget        *widget,
+                   IdoEntryMenuItem *item)
+{
+  if (widget->window != NULL)
+    {
+      gdk_window_raise (widget->window);
+    }
+
+  g_signal_connect (GTK_WIDGET (item)->parent,
+                    "key-press-event",
+                    G_CALLBACK (ido_entry_menu_item_key_press),
+                    item);
+
+  ido_entry_menu_item_send_focus_change (widget, TRUE);
+}
+
+static void
+entry_move_focus_cb (GtkWidget        *widget,
+                     GtkDirectionType  direction,
+                     IdoEntryMenuItem *item)
+{
+  ido_entry_menu_item_send_focus_change (GTK_WIDGET (IDO_ENTRY_MENU_ITEM (item)->priv->entry), FALSE);
+
+  g_signal_emit_by_name (item,
+                         "move-focus",
+                         GTK_DIR_TAB_FORWARD);
+}
+
+/* Public API */
+GtkWidget *
+ido_entry_menu_item_new (void)
+{
+  return g_object_new (IDO_TYPE_ENTRY_MENU_ITEM, NULL);
+}
+
+GtkWidget *
+ido_entry_menu_item_get_entry (IdoEntryMenuItem *item)
+{
+  g_return_val_if_fail (IDO_IS_ENTRY_MENU_ITEM (item), NULL);
+
+  return item->priv->entry;
+}