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1 /* | |
2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. | |
3 * Copyright (C) 2008, 2009 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 */ | |
26 | |
27 #include "config.h" | |
28 #include "core/platform/PlatformKeyboardEvent.h" | |
29 | |
30 #if OS(WIN) | |
31 #include <windows.h> | |
32 #elif OS(MACOSX) | |
33 #import <Carbon/Carbon.h> | |
34 #else | |
35 #include "platform/NotImplemented.h" | |
36 #endif | |
37 | |
38 namespace WebCore { | |
39 | |
40 #if OS(WIN) | |
41 static const unsigned short HIGH_BIT_MASK_SHORT = 0x8000; | |
42 #endif | |
43 | |
44 void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type type) | |
45 { | |
46 #if OS(WIN) | |
47 // No KeyDown events on Windows to disambiguate. | |
48 ASSERT_NOT_REACHED(); | |
49 #else | |
50 // Can only change type from KeyDown to RawKeyDown or Char, as we lack infor
mation for other conversions. | |
51 ASSERT(m_type == PlatformEvent::KeyDown); | |
52 ASSERT(type == PlatformEvent::RawKeyDown || type == PlatformEvent::Char); | |
53 m_type = type; | |
54 | |
55 if (type == RawKeyDown) { | |
56 m_text = String(); | |
57 m_unmodifiedText = String(); | |
58 } else { | |
59 m_keyIdentifier = String(); | |
60 m_windowsVirtualKeyCode = 0; | |
61 #if OS(MACOSX) | |
62 if (m_text.length() == 1 && (m_text[0U] >= 0xF700 && m_text[0U] <= 0xF7F
F)) { | |
63 // According to NSEvents.h, OpenStep reserves the range 0xF700-0xF8F
F for function keys. However, some actual private use characters | |
64 // happen to be in this range, e.g. the Apple logo (Option+Shift+K). | |
65 // 0xF7FF is an arbitrary cut-off. | |
66 m_text = String(); | |
67 m_unmodifiedText = String(); | |
68 } | |
69 #endif | |
70 } | |
71 #endif | |
72 } | |
73 | |
74 bool PlatformKeyboardEvent::currentCapsLockState() | |
75 { | |
76 #if OS(WIN) | |
77 // FIXME: Does this even work inside the sandbox? | |
78 return GetKeyState(VK_CAPITAL) & 1; | |
79 #elif OS(MACOSX) | |
80 return GetCurrentKeyModifiers() & alphaLock; | |
81 #else | |
82 notImplemented(); | |
83 return false; | |
84 #endif | |
85 } | |
86 | |
87 void PlatformKeyboardEvent::getCurrentModifierState(bool& shiftKey, bool& ctrlKe
y, bool& altKey, bool& metaKey) | |
88 { | |
89 #if OS(WIN) | |
90 shiftKey = GetKeyState(VK_SHIFT) & HIGH_BIT_MASK_SHORT; | |
91 ctrlKey = GetKeyState(VK_CONTROL) & HIGH_BIT_MASK_SHORT; | |
92 altKey = GetKeyState(VK_MENU) & HIGH_BIT_MASK_SHORT; | |
93 metaKey = false; | |
94 #elif OS(MACOSX) | |
95 UInt32 currentModifiers = GetCurrentKeyModifiers(); | |
96 shiftKey = currentModifiers & ::shiftKey; | |
97 ctrlKey = currentModifiers & ::controlKey; | |
98 altKey = currentModifiers & ::optionKey; | |
99 metaKey = currentModifiers & ::cmdKey; | |
100 #else | |
101 shiftKey = false; | |
102 ctrlKey = false; | |
103 altKey = false; | |
104 metaKey = false; | |
105 notImplemented(); | |
106 #endif | |
107 } | |
108 | |
109 } // namespace WebCore | |
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