blob: 6140d36442f1fa8de63539d4c1d20c508644497c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// Copyright (c) 2006-2008 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 VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
#define VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
#pragma once
#include "build/build_config.h"
#if defined(OS_LINUX)
#include <gdk/gdk.h>
#endif
#include <set>
#include "base/message_loop.h"
namespace views {
// This class delegates the key messages to the associated FocusManager class
// for the window that is receiving these messages for accelerator processing.
class AcceleratorHandler : public MessageLoopForUI::Dispatcher {
public:
AcceleratorHandler();
// Dispatcher method. This returns true if an accelerator was processed by the
// focus manager
#if defined(OS_WIN)
virtual bool Dispatch(const MSG& msg);
#else
virtual bool Dispatch(GdkEvent* event);
#endif
private:
#if defined(OS_WIN)
// The keys currently pressed and consumed by the FocusManager.
std::set<WPARAM> pressed_keys_;
#else // OS_LINUX
// The set of hardware keycodes that are currently pressed. We use this
// to keep track of whether or not a key is being pressed in isolation
// or not. We must use hardware keycodes because higher-level keycodes
// may change between press and release depending on what modifier keys
// are pressed in the interim.
std::set<int> pressed_hardware_keys_;
// The set of vkey codes that were consumed by the FocusManager.
std::set<int> consumed_vkeys_;
// True if only the menu key (Alt key) was pressed, and no other keys.
bool only_menu_pressed_;
#endif
DISALLOW_COPY_AND_ASSIGN(AcceleratorHandler);
};
} // namespace views
#endif // VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
|
