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// Copyright (c) 2009 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 TOOLS_MEMORY_WATCHER_HOTKEY_H_
#define TOOLS_MEMORY_WATCHER_HOTKEY_H_
#include "ui/base/win/window_impl.h"
#include "ui/gfx/rect.h"
// HotKey handler.
// Programs wishing to register a hotkey can use this.
class HotKeyHandler : public ui::WindowImpl {
public:
HotKeyHandler(UINT modifiers, UINT vk)
: modifiers_(modifiers),
vkey_(vk) {
Start();
}
~HotKeyHandler() { Stop(); }
BEGIN_MSG_MAP_EX(HotKeyHandler)
MESSAGE_HANDLER(WM_HOTKEY, OnHotKey)
END_MSG_MAP()
private:
static const int hotkey_id = 0x0000baba;
bool Start() {
set_window_style(WS_POPUP);
Init(NULL, gfx::Rect());
return RegisterHotKey(hwnd(), hotkey_id, modifiers_, vkey_) == TRUE;
}
void Stop() {
UnregisterHotKey(hwnd(), hotkey_id);
DestroyWindow(hwnd());
}
// Handle the registered Hotkey being pressed.
virtual LRESULT OnHotKey(UINT /*uMsg*/, WPARAM /*wParam*/,
LPARAM /*lParam*/, BOOL& bHandled) = 0;
UINT modifiers_;
UINT vkey_;
};
#endif // TOOLS_MEMORY_WATCHER_HOTKEY_H_
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