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// Copyright (c) 2010 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.
#ifndef VIEWS_WIDGET_TOOLTIP_WINDOW_GTK_H_
#define VIEWS_WIDGET_TOOLTIP_WINDOW_GTK_H_
#pragma once
#include <string>
#include "app/gtk_integers.h"
#include "app/gtk_signal.h"
#include "base/basictypes.h"
typedef struct _GdkEventExpose GdkEventExpose;
typedef struct _GtkLabel GtkLabel;
typedef struct _GtkWidget GtkWidget;
typedef struct _GtkStyle GtkStyle;
namespace views {
// TooltipWindowGtk provides a customized tooltip window and gives us a
// chance to apply RGBA colormap on it. This enables the GTK theme engine to
// draw tooltip with nice shadow and rounded corner on ChromeOS.
class TooltipWindowGtk {
public:
explicit TooltipWindowGtk(GtkWidget* widget);
~TooltipWindowGtk();
// Sets tooltip text to display.
void SetTooltipText(const std::wstring& text);
GtkLabel* label();
protected:
CHROMEGTK_CALLBACK_1(TooltipWindowGtk, gboolean, OnPaint, GdkEventExpose*);
CHROMEGTK_CALLBACK_1(TooltipWindowGtk, void, OnStyleSet, GtkStyle*);
private:
void Init();
// Underlying widget of this tooltip window.
GtkWidget* host_;
// GtkWindow of this tooltip window.
GtkWidget* window_;
// The alignment and label widgets contained of the tooltip window.
GtkWidget* alignment_;
GtkWidget* label_;
DISALLOW_COPY_AND_ASSIGN(TooltipWindowGtk);
};
} // namespace views
#endif // VIEWS_WIDGET_TOOLTIP_WINDOW_GTK_H_