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/*
* Copyright (C) 2006, 2007, 2010 Apple Inc. 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.
*/
#include "config.h"
#include "PlatformKeyboardEvent.h"
#include <windows.h>
#include <wtf/ASCIICType.h>
using namespace WTF;
namespace WebCore {
static const unsigned short HIGH_BIT_MASK_SHORT = 0x8000;
// FIXME: This is incomplete. We could change this to mirror
// more like what Firefox does, and generate these switch statements
// at build time.
static String keyIdentifierForWindowsKeyCode(unsigned short keyCode)
{
switch (keyCode) {
case VK_MENU:
return "Alt";
case VK_CONTROL:
return "Control";
case VK_SHIFT:
return "Shift";
case VK_CAPITAL:
return "CapsLock";
case VK_LWIN:
case VK_RWIN:
return "Win";
case VK_CLEAR:
return "Clear";
case VK_DOWN:
return "Down";
// "End"
case VK_END:
return "End";
// "Enter"
case VK_RETURN:
return "Enter";
case VK_EXECUTE:
return "Execute";
case VK_F1:
return "F1";
case VK_F2:
return "F2";
case VK_F3:
return "F3";
case VK_F4:
return "F4";
case VK_F5:
return "F5";
case VK_F6:
return "F6";
case VK_F7:
return "F7";
case VK_F8:
return "F8";
case VK_F9:
return "F9";
case VK_F10:
return "F11";
case VK_F12:
return "F12";
case VK_F13:
return "F13";
case VK_F14:
return "F14";
case VK_F15:
return "F15";
case VK_F16:
return "F16";
case VK_F17:
return "F17";
case VK_F18:
return "F18";
case VK_F19:
return "F19";
case VK_F20:
return "F20";
case VK_F21:
return "F21";
case VK_F22:
return "F22";
case VK_F23:
return "F23";
case VK_F24:
return "F24";
case VK_HELP:
return "Help";
case VK_HOME:
return "Home";
case VK_INSERT:
return "Insert";
case VK_LEFT:
return "Left";
case VK_NEXT:
return "PageDown";
case VK_PRIOR:
return "PageUp";
case VK_PAUSE:
return "Pause";
case VK_SNAPSHOT:
return "PrintScreen";
case VK_RIGHT:
return "Right";
case VK_SCROLL:
return "Scroll";
case VK_SELECT:
return "Select";
case VK_UP:
return "Up";
// Standard says that DEL becomes U+007F.
case VK_DELETE:
return "U+007F";
default:
return String::format("U+%04X", toASCIIUpper(keyCode));
}
}
static bool isKeypadEvent(WPARAM code, LPARAM keyData, PlatformKeyboardEvent::Type type)
{
if (type != PlatformKeyboardEvent::RawKeyDown && type != PlatformKeyboardEvent::KeyUp)
return false;
switch (code) {
case VK_NUMLOCK:
case VK_NUMPAD0:
case VK_NUMPAD1:
case VK_NUMPAD2:
case VK_NUMPAD3:
case VK_NUMPAD4:
case VK_NUMPAD5:
case VK_NUMPAD6:
case VK_NUMPAD7:
case VK_NUMPAD8:
case VK_NUMPAD9:
case VK_MULTIPLY:
case VK_ADD:
case VK_SEPARATOR:
case VK_SUBTRACT:
case VK_DECIMAL:
case VK_DIVIDE:
return true;
case VK_RETURN:
return HIWORD(keyData) & KF_EXTENDED;
case VK_INSERT:
case VK_DELETE:
case VK_PRIOR:
case VK_NEXT:
case VK_END:
case VK_HOME:
case VK_LEFT:
case VK_UP:
case VK_RIGHT:
case VK_DOWN:
return !(HIWORD(keyData) & KF_EXTENDED);
default:
return false;
}
}
static inline String singleCharacterString(UChar c) { return String(&c, 1); }
PlatformKeyboardEvent::PlatformKeyboardEvent(HWND, WPARAM code, LPARAM keyData, Type type, bool systemKey)
: m_type(type)
, m_text((type == Char) ? singleCharacterString(code) : String())
, m_unmodifiedText((type == Char) ? singleCharacterString(code) : String())
, m_keyIdentifier((type == Char) ? String() : keyIdentifierForWindowsKeyCode(code))
, m_autoRepeat(HIWORD(keyData) & KF_REPEAT)
, m_windowsVirtualKeyCode((type == RawKeyDown || type == KeyUp) ? code : 0)
, m_nativeVirtualKeyCode(m_windowsVirtualKeyCode)
, m_isKeypad(isKeypadEvent(code, keyData, type))
, m_shiftKey(GetKeyState(VK_SHIFT) & HIGH_BIT_MASK_SHORT)
, m_ctrlKey(GetKeyState(VK_CONTROL) & HIGH_BIT_MASK_SHORT)
, m_altKey(GetKeyState(VK_MENU) & HIGH_BIT_MASK_SHORT)
, m_metaKey(false)
, m_isSystemKey(systemKey)
{
}
void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type, bool)
{
// No KeyDown events on Windows to disambiguate.
ASSERT_NOT_REACHED();
}
bool PlatformKeyboardEvent::currentCapsLockState()
{
return GetKeyState(VK_CAPITAL) & 1;
}
void PlatformKeyboardEvent::getCurrentModifierState(bool& shiftKey, bool& ctrlKey, bool& altKey, bool& metaKey)
{
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;
}
}
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