electron/shell/browser/ui/views/submenu_button.h

68 lines
1.9 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ELECTRON_SHELL_BROWSER_UI_VIEWS_SUBMENU_BUTTON_H_
#define ELECTRON_SHELL_BROWSER_UI_VIEWS_SUBMENU_BUTTON_H_
#include <string>
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/views/controls/button/menu_button.h"
namespace ui {
struct AXNodeData;
}
namespace electron {
// Special button that used by menu bar to show submenus.
class SubmenuButton : public views::MenuButton {
METADATA_HEADER(SubmenuButton, views::MenuButton)
public:
SubmenuButton(PressedCallback callback,
const std::u16string& title,
const SkColor& background_color);
~SubmenuButton() override;
// disable copy
SubmenuButton(const SubmenuButton&) = delete;
SubmenuButton& operator=(const SubmenuButton&) = delete;
void SetAcceleratorVisibility(bool visible);
void SetUnderlineColor(SkColor color);
char16_t accelerator() const { return accelerator_; }
// views::MenuButton:
void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
void PaintButtonContents(gfx::Canvas* canvas) override;
private:
bool GetUnderlinePosition(const std::u16string& text,
char16_t* accelerator,
int* start,
int* end) const;
void GetCharacterPosition(const std::u16string& text,
int index,
int* pos) const;
char16_t accelerator_ = 0;
bool show_underline_ = false;
int underline_start_ = 0;
int underline_end_ = 0;
int text_width_ = 0;
int text_height_ = 0;
SkColor underline_color_ = SK_ColorBLACK;
SkColor background_color_;
};
} // namespace electron
#endif // ELECTRON_SHELL_BROWSER_UI_VIEWS_SUBMENU_BUTTON_H_