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| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| |
| #include "qguiapplication.h" |
| |
| #include <private/qobject_p.h> |
| #include "qkeymapper_p.h" |
| |
| #include <private/qguiapplication_p.h> |
| #include <qpa/qplatformintegration.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| /*! |
| \class QKeyMapper |
| \since 4.2 |
| \internal |
| |
| \sa QObject |
| */ |
| |
| /*! |
| Constructs a new key mapper. |
| */ |
| QKeyMapper::QKeyMapper() |
| : QObject(*new QKeyMapperPrivate, nullptr) |
| { |
| } |
| |
| /*! |
| Destroys the key mapper. |
| */ |
| QKeyMapper::~QKeyMapper() |
| { |
| } |
| |
| QList<int> QKeyMapper::possibleKeys(QKeyEvent *e) |
| { |
| QList<int> result; |
| |
| if (!e->nativeScanCode()) { |
| if (e->key() && (e->key() != Qt::Key_unknown)) |
| result << int(e->key() + e->modifiers()); |
| else if (!e->text().isEmpty()) |
| result << int(e->text().at(0).unicode() + e->modifiers()); |
| return result; |
| } |
| |
| return instance()->d_func()->possibleKeys(e); |
| } |
| |
| extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // in qapplication_*.cpp |
| void QKeyMapper::changeKeyboard() |
| { |
| instance()->d_func()->clearMappings(); |
| |
| // ## TODO: Support KeyboardLayoutChange on QPA |
| #if 0 |
| // inform all toplevel widgets of the change |
| QEvent e(QEvent::KeyboardLayoutChange); |
| QWidgetList list = QApplication::topLevelWidgets(); |
| for (int i = 0; i < list.size(); ++i) { |
| QWidget *w = list.at(i); |
| qt_sendSpontaneousEvent(w, &e); |
| } |
| #endif |
| } |
| |
| Q_GLOBAL_STATIC(QKeyMapper, keymapper) |
| /*! |
| Returns the pointer to the single instance of QKeyMapper in the application. |
| If none yet exists, the function ensures that one is created. |
| */ |
| QKeyMapper *QKeyMapper::instance() |
| { |
| return keymapper(); |
| } |
| |
| QKeyMapperPrivate *qt_keymapper_private() |
| { |
| return QKeyMapper::instance()->d_func(); |
| } |
| |
| QKeyMapperPrivate::QKeyMapperPrivate() |
| { |
| keyboardInputLocale = QLocale::system(); |
| keyboardInputDirection = keyboardInputLocale.textDirection(); |
| } |
| |
| QKeyMapperPrivate::~QKeyMapperPrivate() |
| { |
| // clearMappings(); |
| } |
| |
| void QKeyMapperPrivate::clearMappings() |
| { |
| } |
| |
| QList<int> QKeyMapperPrivate::possibleKeys(QKeyEvent *e) |
| { |
| QList<int> result = QGuiApplicationPrivate::platformIntegration()->possibleKeys(e); |
| if (!result.isEmpty()) |
| return result; |
| |
| if (e->key() && (e->key() != Qt::Key_unknown)) |
| result << int(e->key() + e->modifiers()); |
| else if (!e->text().isEmpty()) |
| result << int(e->text().at(0).unicode() + e->modifiers()); |
| return result; |
| } |
| |
| QT_END_NAMESPACE |