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/*
* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
* Copyright (C) 2008, 2009 Google Inc.
*
* 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.
*/
#include "config.h"
#include "PlatformKeyboardEvent.h"
#if OS(WINDOWS)
#include <windows.h>
#elif OS(DARWIN)
#import <Carbon/Carbon.h>
#else
#include "NotImplemented.h"
#endif
namespace WebCore {
#if OS(WINDOWS)
static const unsigned short HIGH_BIT_MASK_SHORT = 0x8000;
#endif
void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type type, bool backwardCompatibilityMode)
{
#if OS(WINDOWS)
// No KeyDown events on Windows to disambiguate.
ASSERT_NOT_REACHED();
#else
// Can only change type from KeyDown to RawKeyDown or Char, as we lack information for other conversions.
ASSERT(m_type == PlatformEvent::KeyDown);
ASSERT(type == PlatformEvent::RawKeyDown || type == PlatformEvent::Char);
m_type = type;
if (backwardCompatibilityMode)
return;
if (type == RawKeyDown) {
m_text = String();
m_unmodifiedText = String();
} else {
m_keyIdentifier = String();
m_windowsVirtualKeyCode = 0;
#if OS(DARWIN)
if (m_text.length() == 1 && (m_text[0U] >= 0xF700 && m_text[0U] <= 0xF7FF)) {
// According to NSEvents.h, OpenStep reserves the range 0xF700-0xF8FF for function keys. However, some actual private use characters
// happen to be in this range, e.g. the Apple logo (Option+Shift+K).
// 0xF7FF is an arbitrary cut-off.
m_text = String();
m_unmodifiedText = String();
}
#endif
}
#endif
}
bool PlatformKeyboardEvent::currentCapsLockState()
{
#if OS(WINDOWS)
// FIXME: Does this even work inside the sandbox?
return GetKeyState(VK_CAPITAL) & 1;
#elif OS(DARWIN)
return GetCurrentKeyModifiers() & alphaLock;
#else
notImplemented();
return false;
#endif
}
void PlatformKeyboardEvent::getCurrentModifierState(bool& shiftKey, bool& ctrlKey, bool& altKey, bool& metaKey)
{
#if OS(WINDOWS)
shiftKey = GetKeyState(VK_SHIFT) & HIGH_BIT_MASK_SHORT;
ctrlKey = GetKeyState(VK_CONTROL) & HIGH_BIT_MASK_SHORT;
altKey = GetKeyState(VK_MENU) & HIGH_BIT_MASK_SHORT;
metaKey = false;
#elif OS(DARWIN)
UInt32 currentModifiers = GetCurrentKeyModifiers();
shiftKey = currentModifiers & ::shiftKey;
ctrlKey = currentModifiers & ::controlKey;
altKey = currentModifiers & ::optionKey;
metaKey = currentModifiers & ::cmdKey;
#else
shiftKey = false;
ctrlKey = false;
altKey = false;
metaKey = false;
notImplemented();
#endif
}
} // namespace WebCore
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