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// Copyright (c) 2012 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 UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_
#define UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_
#include <string>
#include "base/compiler_specific.h"
#include "base/string16.h"
#include "ui/views/controls/button/text_button.h"
namespace views {
// A border with zero left inset.
class VIEWS_EXPORT CheckboxNativeThemeBorder
: public TextButtonNativeThemeBorder {
public:
explicit CheckboxNativeThemeBorder(views::NativeThemeDelegate* delegate)
: TextButtonNativeThemeBorder(delegate) {}
virtual ~CheckboxNativeThemeBorder() {}
// The insets apply to the whole view (checkbox + text), not just the square
// with the checkmark in it. The insets do not visibly affect the checkbox,
// except to ensure that there is enough padding between this and other
// elements.
virtual gfx::Insets GetInsets() const OVERRIDE;
// Use the |custom_insets_| provided instead of those from the theme.
void SetCustomInsets(const gfx::Insets& custom_insets);
// Use the default insets and ignore any |custom_insets_| that may be set.
void UseDefaultInsets();
private:
// Only used if |use_custom_insets_| is true.
gfx::Insets custom_insets_;
// Whether |custom_insets_| should be used in |GetInsets()|.
bool use_custom_insets_;
DISALLOW_COPY_AND_ASSIGN(CheckboxNativeThemeBorder);
};
// A native themed class representing a checkbox. This class does not use
// platform specific objects to replicate the native platforms looks and feel.
class VIEWS_EXPORT Checkbox : public TextButtonBase {
public:
static const char kViewClassName[];
explicit Checkbox(const string16& label);
virtual ~Checkbox();
// Sets a listener for this checkbox. Checkboxes aren't required to have them
// since their state can be read independently of them being toggled.
void set_listener(ButtonListener* listener) { listener_ = listener; }
// Sets/Gets whether or not the checkbox is checked.
virtual void SetChecked(bool checked);
bool checked() const { return checked_; }
protected:
// Overridden from View:
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual std::string GetClassName() const OVERRIDE;
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
virtual void OnPaintFocusBorder(gfx::Canvas* canvas) OVERRIDE;
private:
// Overridden from Button:
virtual void NotifyClick(const ui::Event& event) OVERRIDE;
// Overridden from TextButtonBase:
virtual ui::NativeTheme::Part GetThemePart() const OVERRIDE;
virtual gfx::Rect GetThemePaintRect() const OVERRIDE;
virtual void GetExtraParams(
ui::NativeTheme::ExtraParams* params) const OVERRIDE;
virtual gfx::Rect GetTextBounds() const OVERRIDE;
// True if the checkbox is checked.
bool checked_;
DISALLOW_COPY_AND_ASSIGN(Checkbox);
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_
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