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// Copyright (c) 2006-2008 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 CHROME_VIEWS_SINGLE_SPLIT_VIEW_H_
#define CHROME_VIEWS_SINGLE_SPLIT_VIEW_H_
#include "chrome/views/view.h"
namespace views {
// SingleSplitView lays out two views horizontally. A splitter exists between
// the two views that the user can drag around to resize the views.
class SingleSplitView : public views::View {
public:
SingleSplitView(View* leading, View* trailing);
virtual void Layout();
// SingleSplitView's preferred size is the sum of the preferred widths
// and the max of the heights.
virtual gfx::Size GetPreferredSize();
// Overriden to return a resize cursor when over the divider.
virtual HCURSOR GetCursorForPoint(Event::EventType event_type, int x, int y);
void set_divider_x(int divider_x) { divider_x_ = divider_x; }
int divider_x() { return divider_x_; }
protected:
virtual bool OnMousePressed(const MouseEvent& event);
virtual bool OnMouseDragged(const MouseEvent& event);
virtual void OnMouseReleased(const MouseEvent& event, bool canceled);
private:
// Returns true if |x| is over the divider.
bool IsPointInDivider(int x);
// Used to track drag info.
struct DragInfo {
// The initial coordinate of the mouse when the user started the drag.
int initial_mouse_x;
// The initial position of the divider when the user started the drag.
int initial_divider_x;
};
DragInfo drag_info_;
// Position of the divider.
int divider_x_;
DISALLOW_COPY_AND_ASSIGN(SingleSplitView);
};
} // namespace views
#endif // CHROME_VIEWS_SINGLE_SPLIT_VIEW_H_
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