Clementine-audio-player-Mac.../3rdparty/qxt/qxtglobalshortcut_mac.cpp

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2009-12-30 17:24:55 +01:00
/****************************************************************************
**
** Copyright (C) Qxt Foundation. Some rights reserved.
**
** This file is part of the QxtGui module of the Qxt library.
**
** This library is free software; you can redistribute it and/or modify it
** under the terms of the Common Public License, version 1.0, as published
** by IBM, and/or under the terms of the GNU Lesser General Public License,
** version 2.1, as published by the Free Software Foundation.
**
** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
** FITNESS FOR A PARTICULAR PURPOSE.
**
** You should have received a copy of the CPL and the LGPL along with this
** file. See the LICENSE file and the cpl1.0.txt/lgpl-2.1.txt files
** included with the source distribution for more information.
** If you did not receive a copy of the licenses, contact the Qxt Foundation.
**
** <http://libqxt.org> <foundation@libqxt.org>
**
****************************************************************************/
#include <Carbon/Carbon.h>
#include "qxtglobalshortcut_p.h"
#include <QMap>
#include <QHash>
#include <QtDebug>
#include <QApplication>
typedef QPair<uint, uint> Identifier;
static QMap<quint32, EventHotKeyRef> keyRefs;
static QHash<Identifier, quint32> keyIDs;
static quint32 hotKeySerial = 0;
static bool qxt_mac_handler_installed = false;
OSStatus qxt_mac_handle_hot_key(EventHandlerCallRef nextHandler, EventRef event, void* data)
{
// pass event to the app event filter
Q_UNUSED(data);
qApp->macEventFilter(nextHandler, event);
return noErr;
}
bool QxtGlobalShortcutPrivate::eventFilter(void* message)
//bool QxtGlobalShortcutPrivate::macEventFilter(EventHandlerCallRef caller, EventRef event)
{
EventRef event = (EventRef) message;
if (GetEventClass(event) == kEventClassKeyboard && GetEventKind(event) == kEventHotKeyPressed)
{
EventHotKeyID keyID;
GetEventParameter(event, kEventParamDirectObject, typeEventHotKeyID, NULL, sizeof(keyID), NULL, &keyID);
Identifier id = keyIDs.key(keyID.id);
activateShortcut(id.second, id.first);
}
return false;
}
quint32 QxtGlobalShortcutPrivate::nativeModifiers(Qt::KeyboardModifiers modifiers)
{
quint32 native = 0;
if (modifiers & Qt::ShiftModifier)
native |= shiftKeyBit;
if (modifiers & Qt::ControlModifier)
native |= cmdKey;
if (modifiers & Qt::AltModifier)
native |= optionKey;
if (modifiers & Qt::MetaModifier)
native |= controlKey;
if (modifiers & Qt::KeypadModifier)
native |= kEventKeyModifierNumLockMask;
return native;
}
quint32 QxtGlobalShortcutPrivate::nativeKeycode(Qt::Key key)
{
UTF16Char ch;
// Constants found in NSEvent.h from AppKit.framework
if (key == Qt::Key_Up) ch = 0xF700;
else if (key == Qt::Key_Down) ch = 0xF701;
else if (key == Qt::Key_Left) ch = 0xF702;
else if (key == Qt::Key_Right) ch = 0xF703;
else if (key >= Qt::Key_F1 && key <= Qt::Key_F35)
ch = key - Qt::Key_F1 + 0xF704;
else if (key == Qt::Key_Insert) ch = 0xF727;
else if (key == Qt::Key_Delete) ch = 0xF728;
else if (key == Qt::Key_Home) ch = 0xF729;
else if (key == Qt::Key_End) ch = 0xF72B;
else if (key == Qt::Key_PageUp) ch = 0xF72C;
else if (key == Qt::Key_PageDown) ch = 0xF72D;
else if (key == Qt::Key_Print) ch = 0xF72E;
else if (key == Qt::Key_ScrollLock) ch = 0xF72F;
else if (key == Qt::Key_Pause) ch = 0xF730;
else if (key == Qt::Key_SysReq) ch = 0xF731;
else if (key == Qt::Key_Stop) ch = 0xF734;
else if (key == Qt::Key_Menu) ch = 0xF735;
else if (key == Qt::Key_Select) ch = 0xF741;
else if (key == Qt::Key_Execute) ch = 0xF742;
else if (key == Qt::Key_Help) ch = 0xF746;
else if (key == Qt::Key_Mode_switch) ch = 0xF747;
else if (key == Qt::Key_Escape) ch = 27;
else if (key == Qt::Key_Return) ch = 13;
else if (key == Qt::Key_Enter) ch = 3;
else if (key == Qt::Key_Tab) ch = 9;
else ch = key;
KeyboardLayoutRef layout;
KeyboardLayoutKind layoutKind;
KLGetCurrentKeyboardLayout(&layout);
KLGetKeyboardLayoutProperty(layout, kKLKind, const_cast<const void**>(reinterpret_cast<void**>(&layoutKind)));
if (layoutKind == kKLKCHRKind)
{ // no Unicode available
if (ch > 255) return 0;
char* data;
KLGetKeyboardLayoutProperty(layout, kKLKCHRData, const_cast<const void**>(reinterpret_cast<void**>(&data)));
int ct = *reinterpret_cast<short*>(data + 258);
for (int i = 0; i < ct; i++)
{
char* keyTable = data + 260 + 128 * i;
for (int j = 0; j < 128; j++)
{
if (keyTable[j] == ch) return j;
}
}
return 0;
}
char* data;
KLGetKeyboardLayoutProperty(layout, kKLuchrData, const_cast<const void**>(reinterpret_cast<void**>(&data)));
UCKeyboardLayout* header = reinterpret_cast<UCKeyboardLayout*>(data);
UCKeyboardTypeHeader* table = header->keyboardTypeList;
for (quint32 i=0; i < header->keyboardTypeCount; i++)
{
UCKeyStateRecordsIndex* stateRec = 0;
if (table[i].keyStateRecordsIndexOffset != 0)
{
stateRec = reinterpret_cast<UCKeyStateRecordsIndex*>(data + table[i].keyStateRecordsIndexOffset);
if (stateRec->keyStateRecordsIndexFormat != kUCKeyStateRecordsIndexFormat) stateRec = 0;
}
UCKeyToCharTableIndex* charTable = reinterpret_cast<UCKeyToCharTableIndex*>(data + table[i].keyToCharTableIndexOffset);
if (charTable->keyToCharTableIndexFormat != kUCKeyToCharTableIndexFormat) continue;
for (quint32 j=0; j < charTable->keyToCharTableCount; j++)
{
UCKeyOutput* keyToChar = reinterpret_cast<UCKeyOutput*>(data + charTable->keyToCharTableOffsets[j]);
for (quint32 k=0; k < charTable->keyToCharTableSize; k++)
{
if (keyToChar[k] & kUCKeyOutputTestForIndexMask)
{
long idx = keyToChar[k] & kUCKeyOutputGetIndexMask;
if (stateRec && idx < stateRec->keyStateRecordCount)
{
UCKeyStateRecord* rec = reinterpret_cast<UCKeyStateRecord*>(data + stateRec->keyStateRecordOffsets[idx]);
if (rec->stateZeroCharData == ch) return k;
}
}
else if (!(keyToChar[k] & kUCKeyOutputSequenceIndexMask) && keyToChar[k] < 0xFFFE)
{
if (keyToChar[k] == ch) return k;
}
} // for k
} // for j
} // for i
return 0;
}
bool QxtGlobalShortcutPrivate::registerShortcut(quint32 nativeKey, quint32 nativeMods)
{
if (!qxt_mac_handler_installed)
{
EventTypeSpec t;
t.eventClass = kEventClassKeyboard;
t.eventKind = kEventHotKeyPressed;
InstallApplicationEventHandler(&qxt_mac_handle_hot_key, 1, &t, NULL, NULL);
}
EventHotKeyID keyID;
keyID.signature = 'cute';
keyID.id = ++hotKeySerial;
EventHotKeyRef ref = 0;
bool rv = !RegisterEventHotKey(nativeKey, nativeMods, keyID, GetApplicationEventTarget(), 0, &ref);
if (rv)
{
keyIDs.insert(Identifier(nativeMods, nativeKey), keyID.id);
keyRefs.insert(keyID.id, ref);
}
qDebug() << ref;
return rv;
}
bool QxtGlobalShortcutPrivate::unregisterShortcut(quint32 nativeKey, quint32 nativeMods)
{
Identifier id(nativeMods, nativeKey);
if (!keyIDs.contains(id)) return false;
EventHotKeyRef ref = keyRefs.take(keyIDs[id]);
keyIDs.remove(id);
return !UnregisterEventHotKey(ref);
}