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1 /*
2  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
3  * Copyright (C) 2008 Collabora, Ltd.  All rights reserved.
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 #ifndef PlatformKeyboardEvent_h
28 #define PlatformKeyboardEvent_h
29 
30 #include "platform/PlatformEvent.h"
31 #include "platform/PlatformExport.h"
32 #include "wtf/text/WTFString.h"
33 
34 namespace WebCore {
35 
36 class PlatformKeyboardEvent : public PlatformEvent {
37     WTF_MAKE_FAST_ALLOCATED;
38 public:
PlatformKeyboardEvent()39     PlatformKeyboardEvent()
40         : PlatformEvent(PlatformEvent::KeyDown)
41         , m_windowsVirtualKeyCode(0)
42         , m_nativeVirtualKeyCode(0)
43         , m_macCharCode(0)
44         , m_autoRepeat(false)
45         , m_isKeypad(false)
46         , m_isSystemKey(false)
47     {
48     }
49 
PlatformKeyboardEvent(Type type,const String & text,const String & unmodifiedText,const String & keyIdentifier,int windowsVirtualKeyCode,int nativeVirtualKeyCode,int macCharCode,bool isAutoRepeat,bool isKeypad,bool isSystemKey,Modifiers modifiers,double timestamp)50     PlatformKeyboardEvent(Type type, const String& text, const String& unmodifiedText, const String& keyIdentifier, int windowsVirtualKeyCode, int nativeVirtualKeyCode, int macCharCode, bool isAutoRepeat, bool isKeypad, bool isSystemKey, Modifiers modifiers, double timestamp)
51         : PlatformEvent(type, modifiers, timestamp)
52         , m_text(text)
53         , m_unmodifiedText(unmodifiedText)
54         , m_keyIdentifier(keyIdentifier)
55         , m_windowsVirtualKeyCode(windowsVirtualKeyCode)
56         , m_nativeVirtualKeyCode(nativeVirtualKeyCode)
57         , m_macCharCode(macCharCode)
58         , m_autoRepeat(isAutoRepeat)
59         , m_isKeypad(isKeypad)
60         , m_isSystemKey(isSystemKey)
61     {
62     }
63 
64     PLATFORM_EXPORT void disambiguateKeyDownEvent(Type);
65 
66     // Text as as generated by processing a virtual key code with a keyboard layout
67     // (in most cases, just a character code, but the layout can emit several
68     // characters in a single keypress event on some platforms).
69     // This may bear no resemblance to the ultimately inserted text if an input method
70     // processes the input.
71     // Will be null for KeyUp and RawKeyDown events.
text()72     String text() const { return m_text; }
73 
74     // Text that would have been generated by the keyboard if no modifiers were pressed
75     // (except for Shift); useful for shortcut (accelerator) key handling.
76     // Otherwise, same as text().
unmodifiedText()77     String unmodifiedText() const { return m_unmodifiedText; }
78 
keyIdentifier()79     String keyIdentifier() const { return m_keyIdentifier; }
80 
81     // Most compatible Windows virtual key code associated with the event.
82     // Zero for Char events.
windowsVirtualKeyCode()83     int windowsVirtualKeyCode() const { return m_windowsVirtualKeyCode; }
84 
nativeVirtualKeyCode()85     int nativeVirtualKeyCode() const { return m_nativeVirtualKeyCode; }
macCharCode()86     int macCharCode() const { return m_macCharCode; }
87 
isAutoRepeat()88     bool isAutoRepeat() const { return m_autoRepeat; }
isKeypad()89     bool isKeypad() const { return m_isKeypad; }
isSystemKey()90     bool isSystemKey() const { return m_isSystemKey; }
91 
92     PLATFORM_EXPORT static bool currentCapsLockState();
93     PLATFORM_EXPORT static void getCurrentModifierState(bool& shiftKey, bool& ctrlKey, bool& altKey, bool& metaKey);
94 
95 protected:
96     String m_text;
97     String m_unmodifiedText;
98     String m_keyIdentifier;
99     int m_windowsVirtualKeyCode;
100     int m_nativeVirtualKeyCode;
101     int m_macCharCode;
102     bool m_autoRepeat;
103     bool m_isKeypad;
104     bool m_isSystemKey;
105 };
106 
107 } // namespace WebCore
108 
109 #endif // PlatformKeyboardEvent_h
110