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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include "chrome/common/owned_widget_gtk.h"
// Creates a link button that shows |text| in blue and underlined. The cursor
// changes to a hand when over the link.
// TODO(estade): the link should turn red during the user's click.
class LinkButtonGtk {
public:
explicit LinkButtonGtk(const char* text);
virtual ~LinkButtonGtk();
GtkWidget* widget() { return widget_.get(); }
private:
// Called when the pointer enters or leaves the button.
static gboolean OnEnter(GtkWidget* widget, LinkButtonGtk* link_button);
static gboolean OnLeave(GtkWidget* widget, LinkButtonGtk* link_button);
// Called when the pointer moves over the link button's gdk window.
static gboolean OnMotionNotify(GtkWidget* widget,
GdkEventMotion* event,
LinkButtonGtk* link_button);
// Called when the widget is exposed.
static gboolean OnExpose(GtkWidget* widget,
GdkEventExpose* event,
LinkButtonGtk* link_button);
// The button widget.
OwnedWidgetGtk widget_;
// The text widget.
GtkWidget* label_;
// We keep this hand cursor so we don't have to recreate it every time the
// user mouses over the link.
GdkCursor* hand_cursor_;
// Text markup for the link. We use the red one when the link is being
// clicked.
gchar* blue_markup;
gchar* red_markup;
// The current state of the text.
bool is_blue_;
};
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