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/*
* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2008 Collabora, Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 PlatformKeyboardEvent_h
#define PlatformKeyboardEvent_h
#include "platform/PlatformEvent.h"
#include "platform/PlatformExport.h"
#include "wtf/text/WTFString.h"
namespace blink {
class PlatformKeyboardEvent : public PlatformEvent {
USING_FAST_MALLOC(PlatformKeyboardEvent);
public:
PlatformKeyboardEvent()
: PlatformEvent(PlatformEvent::KeyDown)
, m_windowsVirtualKeyCode(0)
, m_nativeVirtualKeyCode(0)
, m_isSystemKey(false)
{
}
PlatformKeyboardEvent(Type type, const String& text, const String& unmodifiedText, const String& keyIdentifier, const String& code, const String& key, int windowsVirtualKeyCode, int nativeVirtualKeyCode, bool isSystemKey, Modifiers modifiers, double timestamp)
: PlatformEvent(type, modifiers, timestamp)
, m_text(text)
, m_unmodifiedText(unmodifiedText)
, m_keyIdentifier(keyIdentifier)
, m_code(code)
, m_key(key)
, m_windowsVirtualKeyCode(windowsVirtualKeyCode)
, m_nativeVirtualKeyCode(nativeVirtualKeyCode)
, m_isSystemKey(isSystemKey)
{
}
PLATFORM_EXPORT void disambiguateKeyDownEvent(Type);
// Text as as generated by processing a virtual key code with a keyboard layout
// (in most cases, just a character code, but the layout can emit several
// characters in a single keypress event on some platforms).
// This may bear no resemblance to the ultimately inserted text if an input method
// processes the input.
// Will be null for KeyUp and RawKeyDown events.
String text() const { return m_text; }
// Text that would have been generated by the keyboard if no modifiers were pressed
// (except for Shift); useful for shortcut (accelerator) key handling.
// Otherwise, same as text().
String unmodifiedText() const { return m_unmodifiedText; }
String keyIdentifier() const { return m_keyIdentifier; }
String code() const { return m_code; }
String key() const { return m_key; }
// Most compatible Windows virtual key code associated with the event.
// Zero for Char events.
int windowsVirtualKeyCode() const { return m_windowsVirtualKeyCode; }
int nativeVirtualKeyCode() const { return m_nativeVirtualKeyCode; }
bool isAutoRepeat() const { return modifiers() & IsAutoRepeat; }
bool isKeypad() const { return modifiers() & IsKeyPad; }
bool isSystemKey() const { return m_isSystemKey; }
PLATFORM_EXPORT static bool currentCapsLockState();
PLATFORM_EXPORT static Modifiers getCurrentModifierState();
protected:
String m_text;
String m_unmodifiedText;
String m_keyIdentifier;
String m_code;
String m_key;
int m_windowsVirtualKeyCode;
int m_nativeVirtualKeyCode;
bool m_isSystemKey;
private:
friend class Internals;
enum OverrideCapsLockState {
Default,
On,
Off
};
// Allows overriding the current caps lock state for testing purposes.
PLATFORM_EXPORT static void setCurrentCapsLockState(OverrideCapsLockState state) { s_overrideCapsLockState = state; }
PLATFORM_EXPORT static OverrideCapsLockState s_overrideCapsLockState;
};
} // namespace blink
#endif // PlatformKeyboardEvent_h
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