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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_BOX_LAYOUT_H_
#define VIEWS_BOX_LAYOUT_H_
#pragma once
#include "base/basictypes.h"
#include "views/layout_manager.h"
namespace views {
// A Layout manager that arranges child views vertically or horizontally in a
// side-by-side fashion with spacing around and between the child views. The
// child views are always sized according to their preferred size. If the
// host's bounds provide insufficient space, child views will be clamped.
// Excess space will not be distributed.
class BoxLayout : public LayoutManager {
public:
enum Orientation {
kHorizontal,
kVertical,
};
// Use |inside_border_horizontal_spacing| and
// |inside_border_vertical_spacing| to add additional space between the child
// view area and the host view border. |between_child_spacing| controls the
// space in between child views.
BoxLayout(Orientation orientation,
int inside_border_horizontal_spacing,
int inside_border_vertical_spacing,
int between_child_spacing);
virtual ~BoxLayout() {}
// Overridden from views::LayoutManager:
virtual void Layout(View* host);
virtual gfx::Size GetPreferredSize(View* host);
private:
const Orientation orientation_;
// Spacing between child views and host view border.
const int inside_border_horizontal_spacing_;
const int inside_border_vertical_spacing_;
// Spacing to put in between child views.
const int between_child_spacing_;
DISALLOW_IMPLICIT_CONSTRUCTORS(BoxLayout);
};
} // namespace views
#endif // VIEWS_BOX_LAYOUT_H_
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