| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | |
| 5 | #include "qguiapplication.h" |
| 6 | |
| 7 | #include <private/qobject_p.h> |
| 8 | #include "qkeymapper_p.h" |
| 9 | |
| 10 | #include <private/qguiapplication_p.h> |
| 11 | #include <qpa/qplatformintegration.h> |
| 12 | |
| 13 | QT_BEGIN_NAMESPACE |
| 14 | |
| 15 | /*! |
| 16 | \class QKeyMapper |
| 17 | \since 4.2 |
| 18 | \internal |
| 19 | |
| 20 | \sa QObject |
| 21 | */ |
| 22 | |
| 23 | /*! |
| 24 | Constructs a new key mapper. |
| 25 | */ |
| 26 | QKeyMapper::QKeyMapper() |
| 27 | : QObject(*new QKeyMapperPrivate, nullptr) |
| 28 | { |
| 29 | } |
| 30 | |
| 31 | /*! |
| 32 | Destroys the key mapper. |
| 33 | */ |
| 34 | QKeyMapper::~QKeyMapper() |
| 35 | { |
| 36 | } |
| 37 | |
| 38 | static QList<int> extractKeyFromEvent(QKeyEvent *e) |
| 39 | { |
| 40 | QList<int> result; |
| 41 | if (e->key() && (e->key() != Qt::Key_unknown)) |
| 42 | result << e->keyCombination().toCombined(); |
| 43 | else if (!e->text().isEmpty()) |
| 44 | result << int(e->text().at(i: 0).unicode() + (int)e->modifiers()); |
| 45 | return result; |
| 46 | } |
| 47 | |
| 48 | QList<int> QKeyMapper::possibleKeys(QKeyEvent *e) |
| 49 | { |
| 50 | return instance()->d_func()->possibleKeys(e); |
| 51 | } |
| 52 | |
| 53 | extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // in qapplication_*.cpp |
| 54 | void QKeyMapper::changeKeyboard() |
| 55 | { |
| 56 | // ## TODO: Support KeyboardLayoutChange on QPA |
| 57 | #if 0 |
| 58 | // inform all toplevel widgets of the change |
| 59 | QEvent e(QEvent::KeyboardLayoutChange); |
| 60 | QWidgetList list = QApplication::topLevelWidgets(); |
| 61 | for (int i = 0; i < list.size(); ++i) { |
| 62 | QWidget *w = list.at(i); |
| 63 | qt_sendSpontaneousEvent(w, &e); |
| 64 | } |
| 65 | #endif |
| 66 | } |
| 67 | |
| 68 | Q_GLOBAL_STATIC(QKeyMapper, keymapper) |
| 69 | /*! |
| 70 | Returns the pointer to the single instance of QKeyMapper in the application. |
| 71 | If none yet exists, the function ensures that one is created. |
| 72 | */ |
| 73 | QKeyMapper *QKeyMapper::instance() |
| 74 | { |
| 75 | return keymapper(); |
| 76 | } |
| 77 | |
| 78 | QKeyMapperPrivate *qt_keymapper_private() |
| 79 | { |
| 80 | return QKeyMapper::instance()->d_func(); |
| 81 | } |
| 82 | |
| 83 | QKeyMapperPrivate::QKeyMapperPrivate() |
| 84 | { |
| 85 | keyboardInputLocale = QLocale::system(); |
| 86 | keyboardInputDirection = keyboardInputLocale.textDirection(); |
| 87 | } |
| 88 | |
| 89 | QKeyMapperPrivate::~QKeyMapperPrivate() |
| 90 | { |
| 91 | } |
| 92 | |
| 93 | QList<int> QKeyMapperPrivate::possibleKeys(QKeyEvent *e) |
| 94 | { |
| 95 | QList<int> result = QGuiApplicationPrivate::platformIntegration()->possibleKeys(e); |
| 96 | if (!result.isEmpty()) |
| 97 | return result; |
| 98 | |
| 99 | return extractKeyFromEvent(e); |
| 100 | } |
| 101 | |
| 102 | void *QKeyMapper::resolveInterface(const char *name, int revision) const |
| 103 | { |
| 104 | Q_UNUSED(name); Q_UNUSED(revision); |
| 105 | using namespace QNativeInterface::Private; |
| 106 | |
| 107 | #if QT_CONFIG(evdev) |
| 108 | QT_NATIVE_INTERFACE_RETURN_IF(QEvdevKeyMapper, QGuiApplicationPrivate::platformIntegration()); |
| 109 | #endif |
| 110 | |
| 111 | return nullptr; |
| 112 | } |
| 113 | |
| 114 | QT_END_NAMESPACE |
| 115 | |
| 116 | #include "moc_qkeymapper_p.cpp" |
| 117 |