49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef TOOLS_MEMORY_WATCHER_HOTKEY_H_
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#define TOOLS_MEMORY_WATCHER_HOTKEY_H_
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#include "ui/base/win/window_impl.h"
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#include "ui/gfx/rect.h"
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// HotKey handler.
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// Programs wishing to register a hotkey can use this.
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class HotKeyHandler : public ui::WindowImpl {
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public:
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HotKeyHandler(UINT modifiers, UINT vk)
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: modifiers_(modifiers),
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vkey_(vk) {
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Start();
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}
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~HotKeyHandler() { Stop(); }
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BEGIN_MSG_MAP_EX(HotKeyHandler)
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MESSAGE_HANDLER(WM_HOTKEY, OnHotKey)
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END_MSG_MAP()
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private:
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static const int hotkey_id = 0x0000baba;
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bool Start() {
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set_window_style(WS_POPUP);
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Init(NULL, gfx::Rect());
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return RegisterHotKey(hwnd(), hotkey_id, modifiers_, vkey_) == TRUE;
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}
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void Stop() {
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UnregisterHotKey(hwnd(), hotkey_id);
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DestroyWindow(hwnd());
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}
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// Handle the registered Hotkey being pressed.
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virtual LRESULT OnHotKey(UINT /*uMsg*/, WPARAM /*wParam*/,
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LPARAM /*lParam*/, BOOL& bHandled) = 0;
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UINT modifiers_;
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UINT vkey_;
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};
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#endif // TOOLS_MEMORY_WATCHER_HOTKEY_H_
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