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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_VIEWS_CHECKBOX_H__
#define CHROME_VIEWS_CHECKBOX_H__
#include "base/gfx/rect.h"
#include "chrome/views/native_button.h"
namespace ChromeViews {
class Label;
////////////////////////////////////////////////////////////////////////////////
//
// CheckBox implements a check box button. It uses the standard windows control
// for the check item but not for the label. We have to do this because windows
// always wants to draw a background under the label. I tried to intercept
// WM_CTLCOLORSTATIC and return a NULL_BRUSH and setting the BkMode to
// transparent as well as other things. The background was always drawn as solid
// black.
//
// The label is implemented with a ChromeViews::Label
//
////////////////////////////////////////////////////////////////////////////////
class CheckBox : public NativeButton {
public:
static const char kViewClassName[];
static const int kFocusPaddingHorizontal;
static const int kFocusPaddingVertical;
explicit CheckBox(const std::wstring& label);
virtual ~CheckBox();
// Allows the label to wrap across multiple lines if |multi_line| is true.
// If false, the text is cropped.
void SetMultiLine(bool multi_line);
// Returns the x position of the text. This can also be used to indent
// subsequent dependent controls.
static int GetTextIndent();
virtual void SetIsSelected(bool f);
bool IsSelected() const;
virtual std::string GetClassName() const;
virtual void GetPreferredSize(CSize *out);
virtual void Layout();
virtual bool OnMousePressed(const MouseEvent& event);
virtual bool OnMouseDragged(const MouseEvent& event);
virtual void OnMouseReleased(const MouseEvent& event, bool canceled);
virtual void OnMouseEntered(const MouseEvent& event);
virtual void OnMouseMoved(const MouseEvent& event);
virtual void OnMouseExited(const MouseEvent& event);
virtual void Paint(ChromeCanvas* canvas);
// Overriden to forward to the label too.
virtual void SetEnabled(bool enabled);
protected:
virtual HWND CreateNativeControl(HWND parent_container);
virtual void ConfigureNativeButton(HWND hwnd);
virtual LRESULT OnCommand(UINT code, int id, HWND source);
Label* label_;
private:
void HighlightButton(bool f);
bool LabelHitTest(const MouseEvent& event);
void ComputeTextRect(gfx::Rect* out);
bool is_selected_;
DISALLOW_EVIL_CONSTRUCTORS(CheckBox);
};
}
#endif // CHROME_VIEWS_NATIVE_CHECKBOX_H__
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