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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 TOOLS_MEMORY_WATCHER_HOTKEY_H_
#define TOOLS_MEMORY_WATCHER_HOTKEY_H_
#include <atlbase.h>
#include <atlwin.h>
#include "base/logging.h"
// HotKey handler.
// Programs wishing to register a hotkey can use this.
class HotKeyHandler : public CWindowImpl<HotKeyHandler> {
public:
HotKeyHandler(UINT modifiers, UINT vk)
: m_modifiers(modifiers),
m_vkey(vk) {
Start();
}
~HotKeyHandler() { Stop(); }
BEGIN_MSG_MAP(HotKeyHandler)
MESSAGE_HANDLER(WM_HOTKEY, OnHotKey)
END_MSG_MAP()
private:
static const int hotkey_id = 0x0000baba;
bool Start() {
if (NULL == Create(NULL, NULL, NULL, WS_POPUP))
return false;
return RegisterHotKey(m_hWnd, hotkey_id, m_modifiers, m_vkey) == TRUE;
}
void Stop() {
UnregisterHotKey(m_hWnd, hotkey_id);
DestroyWindow();
}
// Handle the registered Hotkey being pressed.
virtual LRESULT OnHotKey(UINT /*uMsg*/, WPARAM /*wParam*/,
LPARAM /*lParam*/, BOOL& bHandled) = 0;
UINT m_modifiers;
UINT m_vkey;
};
#endif // TOOLS_MEMORY_WATCHER_HOTKEY_H_
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