Kylin/Fluent/QHotkey/qhotkey.cpp
2024-09-01 00:33:29 +08:00

378 lines
9.3 KiB
C++

#include "qhotkey.h"
#include "qhotkey_p.h"
#include <QCoreApplication>
#include <QAbstractEventDispatcher>
#include <QMetaMethod>
#include <QThread>
#include <QDebug>
Q_LOGGING_CATEGORY(logQHotkey, "QHotkey")
void QHotkey::addGlobalMapping(const QKeySequence &shortcut, QHotkey::NativeShortcut nativeShortcut)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
const int key = shortcut[0].toCombined();
#else
const int key = shortcut[0];
#endif
QMetaObject::invokeMethod(QHotkeyPrivate::instance(), "addMappingInvoked", Qt::QueuedConnection,
Q_ARG(Qt::Key, Qt::Key(key & ~Qt::KeyboardModifierMask)),
Q_ARG(Qt::KeyboardModifiers, Qt::KeyboardModifiers(key & Qt::KeyboardModifierMask)),
Q_ARG(QHotkey::NativeShortcut, nativeShortcut));
}
bool QHotkey::isPlatformSupported()
{
return QHotkeyPrivate::isPlatformSupported();
}
QHotkey::QHotkey(QObject *parent) :
QObject(parent),
_keyCode(Qt::Key_unknown),
_modifiers(Qt::NoModifier),
_registered(false)
{}
QHotkey::QHotkey(const QKeySequence &shortcut, bool autoRegister, QObject *parent) :
QHotkey(parent)
{
setShortcut(shortcut, autoRegister);
}
QHotkey::QHotkey(Qt::Key keyCode, Qt::KeyboardModifiers modifiers, bool autoRegister, QObject *parent) :
QHotkey(parent)
{
setShortcut(keyCode, modifiers, autoRegister);
}
QHotkey::QHotkey(QHotkey::NativeShortcut shortcut, bool autoRegister, QObject *parent) :
QHotkey(parent)
{
setNativeShortcut(shortcut, autoRegister);
}
QHotkey::~QHotkey()
{
if(_registered)
QHotkeyPrivate::instance()->removeShortcut(this);
}
QKeySequence QHotkey::shortcut() const
{
if(_keyCode == Qt::Key_unknown)
return QKeySequence();
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return QKeySequence((_keyCode | _modifiers).toCombined());
#else
return QKeySequence(static_cast<int>(_keyCode | _modifiers));
#endif
}
Qt::Key QHotkey::keyCode() const
{
return _keyCode;
}
Qt::KeyboardModifiers QHotkey::modifiers() const
{
return _modifiers;
}
QHotkey::NativeShortcut QHotkey::currentNativeShortcut() const
{
return _nativeShortcut;
}
bool QHotkey::isRegistered() const
{
return _registered;
}
bool QHotkey::setShortcut(const QKeySequence &shortcut, bool autoRegister)
{
if(shortcut.isEmpty())
return resetShortcut();
if(shortcut.count() > 1) {
qCWarning(logQHotkey, "Keysequences with multiple shortcuts are not allowed! "
"Only the first shortcut will be used!");
}
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
const int key = shortcut[0].toCombined();
#else
const int key = shortcut[0];
#endif
return setShortcut(Qt::Key(key & ~Qt::KeyboardModifierMask),
Qt::KeyboardModifiers(key & Qt::KeyboardModifierMask),
autoRegister);
}
bool QHotkey::setShortcut(Qt::Key keyCode, Qt::KeyboardModifiers modifiers, bool autoRegister)
{
if(_registered) {
if(autoRegister) {
if(!QHotkeyPrivate::instance()->removeShortcut(this))
return false;
} else
return false;
}
if(keyCode == Qt::Key_unknown) {
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = NativeShortcut();
return true;
}
_keyCode = keyCode;
_modifiers = modifiers;
_nativeShortcut = QHotkeyPrivate::instance()->nativeShortcut(keyCode, modifiers);
if(_nativeShortcut.isValid()) {
if(autoRegister)
return QHotkeyPrivate::instance()->addShortcut(this);
return true;
}
qCWarning(logQHotkey) << "Unable to map shortcut to native keys. Key:" << keyCode << "Modifiers:" << modifiers;
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = NativeShortcut();
return false;
}
bool QHotkey::resetShortcut()
{
if(_registered &&
!QHotkeyPrivate::instance()->removeShortcut(this)) {
return false;
}
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = NativeShortcut();
return true;
}
bool QHotkey::setNativeShortcut(QHotkey::NativeShortcut nativeShortcut, bool autoRegister)
{
if(_registered) {
if(autoRegister) {
if(!QHotkeyPrivate::instance()->removeShortcut(this))
return false;
} else
return false;
}
if(nativeShortcut.isValid()) {
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = nativeShortcut;
if(autoRegister)
return QHotkeyPrivate::instance()->addShortcut(this);
return true;
}
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = NativeShortcut();
return true;
}
bool QHotkey::setRegistered(bool registered)
{
if(_registered && !registered)
return QHotkeyPrivate::instance()->removeShortcut(this);
if(!_registered && registered) {
if(!_nativeShortcut.isValid())
return false;
return QHotkeyPrivate::instance()->addShortcut(this);
}
return true;
}
// ---------- QHotkeyPrivate implementation ----------
QHotkeyPrivate::QHotkeyPrivate()
{
Q_ASSERT_X(qApp, Q_FUNC_INFO, "QHotkey requires QCoreApplication to be instantiated");
qApp->eventDispatcher()->installNativeEventFilter(this);
}
QHotkeyPrivate::~QHotkeyPrivate()
{
if(!shortcuts.isEmpty())
qCWarning(logQHotkey) << "QHotkeyPrivate destroyed with registered shortcuts!";
if(qApp && qApp->eventDispatcher())
qApp->eventDispatcher()->removeNativeEventFilter(this);
}
QHotkey::NativeShortcut QHotkeyPrivate::nativeShortcut(Qt::Key keycode, Qt::KeyboardModifiers modifiers)
{
Qt::ConnectionType conType = (QThread::currentThread() == thread() ?
Qt::DirectConnection :
Qt::BlockingQueuedConnection);
QHotkey::NativeShortcut res;
if(!QMetaObject::invokeMethod(this, "nativeShortcutInvoked", conType,
Q_RETURN_ARG(QHotkey::NativeShortcut, res),
Q_ARG(Qt::Key, keycode),
Q_ARG(Qt::KeyboardModifiers, modifiers))) {
return QHotkey::NativeShortcut();
}
return res;
}
bool QHotkeyPrivate::addShortcut(QHotkey *hotkey)
{
if(hotkey->_registered)
return false;
Qt::ConnectionType conType = (QThread::currentThread() == thread() ?
Qt::DirectConnection :
Qt::BlockingQueuedConnection);
bool res = false;
if(!QMetaObject::invokeMethod(this, "addShortcutInvoked", conType,
Q_RETURN_ARG(bool, res),
Q_ARG(QHotkey*, hotkey))) {
return false;
}
if(res)
emit hotkey->registeredChanged(true);
return res;
}
bool QHotkeyPrivate::removeShortcut(QHotkey *hotkey)
{
if(!hotkey->_registered)
return false;
Qt::ConnectionType conType = (QThread::currentThread() == thread() ?
Qt::DirectConnection :
Qt::BlockingQueuedConnection);
bool res = false;
if(!QMetaObject::invokeMethod(this, "removeShortcutInvoked", conType,
Q_RETURN_ARG(bool, res),
Q_ARG(QHotkey*, hotkey))) {
return false;
}
if(res)
emit hotkey->registeredChanged(false);
return res;
}
void QHotkeyPrivate::activateShortcut(QHotkey::NativeShortcut shortcut)
{
QMetaMethod signal = QMetaMethod::fromSignal(&QHotkey::activated);
for(QHotkey *hkey : shortcuts.values(shortcut))
signal.invoke(hkey, Qt::QueuedConnection);
}
void QHotkeyPrivate::releaseShortcut(QHotkey::NativeShortcut shortcut)
{
QMetaMethod signal = QMetaMethod::fromSignal(&QHotkey::released);
for(QHotkey *hkey : shortcuts.values(shortcut))
signal.invoke(hkey, Qt::QueuedConnection);
}
void QHotkeyPrivate::addMappingInvoked(Qt::Key keycode, Qt::KeyboardModifiers modifiers, QHotkey::NativeShortcut nativeShortcut)
{
mapping.insert({keycode, modifiers}, nativeShortcut);
}
bool QHotkeyPrivate::addShortcutInvoked(QHotkey *hotkey)
{
QHotkey::NativeShortcut shortcut = hotkey->_nativeShortcut;
if(!shortcuts.contains(shortcut)) {
if(!registerShortcut(shortcut)) {
qCWarning(logQHotkey) << QHotkey::tr("Failed to register %1. Error: %2").arg(hotkey->shortcut().toString(), error);
return false;
}
}
shortcuts.insert(shortcut, hotkey);
hotkey->_registered = true;
return true;
}
bool QHotkeyPrivate::removeShortcutInvoked(QHotkey *hotkey)
{
QHotkey::NativeShortcut shortcut = hotkey->_nativeShortcut;
if(shortcuts.remove(shortcut, hotkey) == 0)
return false;
hotkey->_registered = false;
emit hotkey->registeredChanged(true);
if(shortcuts.count(shortcut) == 0) {
if (!unregisterShortcut(shortcut)) {
qCWarning(logQHotkey) << QHotkey::tr("Failed to unregister %1. Error: %2").arg(hotkey->shortcut().toString(), error);
return false;
}
return true;
}
return true;
}
QHotkey::NativeShortcut QHotkeyPrivate::nativeShortcutInvoked(Qt::Key keycode, Qt::KeyboardModifiers modifiers)
{
if(mapping.contains({keycode, modifiers}))
return mapping.value({keycode, modifiers});
bool ok1 = false;
auto k = nativeKeycode(keycode, ok1);
bool ok2 = false;
auto m = nativeModifiers(modifiers, ok2);
if(ok1 && ok2)
return {k, m};
return {};
}
QHotkey::NativeShortcut::NativeShortcut() :
key(),
modifier(),
valid(false)
{}
QHotkey::NativeShortcut::NativeShortcut(quint32 key, quint32 modifier) :
key(key),
modifier(modifier),
valid(true)
{}
bool QHotkey::NativeShortcut::isValid() const
{
return valid;
}
bool QHotkey::NativeShortcut::operator ==(QHotkey::NativeShortcut other) const
{
return (key == other.key) &&
(modifier == other.modifier) &&
valid == other.valid;
}
bool QHotkey::NativeShortcut::operator !=(QHotkey::NativeShortcut other) const
{
return (key != other.key) ||
(modifier != other.modifier) ||
valid != other.valid;
}
QHOTKEY_HASH_SEED qHash(QHotkey::NativeShortcut key)
{
return qHash(key.key) ^ qHash(key.modifier);
}
QHOTKEY_HASH_SEED qHash(QHotkey::NativeShortcut key, QHOTKEY_HASH_SEED seed)
{
return qHash(key.key, seed) ^ qHash(key.modifier, seed);
}