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

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#include <Carbon/Carbon.h>
/****************************************************************************
** Copyright (c) 2006 - 2011, the LibQxt project.
** See the Qxt AUTHORS file for a list of authors and copyright holders.
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * 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.
** * Neither the name of the LibQxt project nor the
** names of its contributors may be used to endorse or promote products
** derived from this software without specific prior written permission.
**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 <COPYRIGHT HOLDER> 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.
**
** <http://libqxt.org> <foundation@libqxt.org>
*****************************************************************************/
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#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)
{
Q_UNUSED(nextHandler);
Q_UNUSED(data);
if (GetEventClass(event) == kEventClassKeyboard && GetEventKind(event) == kEventHotKeyPressed)
{
EventHotKeyID keyID;
GetEventParameter(event, kEventParamDirectObject, typeEventHotKeyID, NULL, sizeof(keyID), NULL, &keyID);
Identifier id = keyIDs.key(keyID.id);
QxtGlobalShortcutPrivate::activateShortcut(id.second, id.first);
}
return noErr;
}
quint32 QxtGlobalShortcutPrivate::nativeModifiers(Qt::KeyboardModifiers modifiers)
{
quint32 native = 0;
if (modifiers & Qt::ShiftModifier)
native |= shiftKey;
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
switch (key)
{
case Qt::Key_Return:
return kVK_Return;
case Qt::Key_Enter:
return kVK_ANSI_KeypadEnter;
case Qt::Key_Tab:
return kVK_Tab;
case Qt::Key_Space:
return kVK_Space;
case Qt::Key_Backspace:
return kVK_Delete;
case Qt::Key_Control:
return kVK_Command;
case Qt::Key_Shift:
return kVK_Shift;
case Qt::Key_CapsLock:
return kVK_CapsLock;
case Qt::Key_Option:
return kVK_Option;
case Qt::Key_Meta:
return kVK_Control;
case Qt::Key_F17:
return kVK_F17;
case Qt::Key_VolumeUp:
return kVK_VolumeUp;
case Qt::Key_VolumeDown:
return kVK_VolumeDown;
case Qt::Key_F18:
return kVK_F18;
case Qt::Key_F19:
return kVK_F19;
case Qt::Key_F20:
return kVK_F20;
case Qt::Key_F5:
return kVK_F5;
case Qt::Key_F6:
return kVK_F6;
case Qt::Key_F7:
return kVK_F7;
case Qt::Key_F3:
return kVK_F3;
case Qt::Key_F8:
return kVK_F8;
case Qt::Key_F9:
return kVK_F9;
case Qt::Key_F11:
return kVK_F11;
case Qt::Key_F13:
return kVK_F13;
case Qt::Key_F16:
return kVK_F16;
case Qt::Key_F14:
return kVK_F14;
case Qt::Key_F10:
return kVK_F10;
case Qt::Key_F12:
return kVK_F12;
case Qt::Key_F15:
return kVK_F15;
case Qt::Key_Help:
return kVK_Help;
case Qt::Key_Home:
return kVK_Home;
case Qt::Key_PageUp:
return kVK_PageUp;
case Qt::Key_Delete:
return kVK_ForwardDelete;
case Qt::Key_F4:
return kVK_F4;
case Qt::Key_End:
return kVK_End;
case Qt::Key_F2:
return kVK_F2;
case Qt::Key_PageDown:
return kVK_PageDown;
case Qt::Key_F1:
return kVK_F1;
case Qt::Key_Left:
return kVK_LeftArrow;
case Qt::Key_Right:
return kVK_RightArrow;
case Qt::Key_Down:
return kVK_DownArrow;
case Qt::Key_Up:
return kVK_UpArrow;
default:
;
}
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;
CFDataRef currentLayoutData;
TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
if (currentKeyboard == NULL)
return 0;
currentLayoutData = (CFDataRef)TISGetInputSourceProperty(currentKeyboard, kTISPropertyUnicodeKeyLayoutData);
CFRelease(currentKeyboard);
if (currentLayoutData == NULL)
return 0;
UCKeyboardLayout* header = (UCKeyboardLayout*)CFDataGetBytePtr(currentLayoutData);
UCKeyboardTypeHeader* table = header->keyboardTypeList;
uint8_t *data = (uint8_t*)header;
// God, would a little documentation for this shit kill you...
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);
}
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);
}