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39
40
41 #include "qguiapplication.h"
42
43 #include <private/qobject_p.h>
44 #include "qkeymapper_p.h"
45
46 #include <private/qguiapplication_p.h>
47 #include <qpa/qplatformintegration.h>
48
49 QT_BEGIN_NAMESPACE
50
51 /*!
52 \class QKeyMapper
53 \since 4.2
54 \internal
55
56 \sa QObject
57 */
58
59 /*!
60 Constructs a new key mapper.
61 */
QKeyMapper()62 QKeyMapper::QKeyMapper()
63 : QObject(*new QKeyMapperPrivate, nullptr)
64 {
65 }
66
67 /*!
68 Destroys the key mapper.
69 */
~QKeyMapper()70 QKeyMapper::~QKeyMapper()
71 {
72 }
73
possibleKeys(QKeyEvent * e)74 QList<int> QKeyMapper::possibleKeys(QKeyEvent *e)
75 {
76 QList<int> result;
77
78 if (!e->nativeScanCode()) {
79 if (e->key() && (e->key() != Qt::Key_unknown))
80 result << int(e->key() + e->modifiers());
81 else if (!e->text().isEmpty())
82 result << int(e->text().at(0).unicode() + e->modifiers());
83 return result;
84 }
85
86 return instance()->d_func()->possibleKeys(e);
87 }
88
89 extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // in qapplication_*.cpp
changeKeyboard()90 void QKeyMapper::changeKeyboard()
91 {
92 instance()->d_func()->clearMappings();
93
94 // ## TODO: Support KeyboardLayoutChange on QPA
95 #if 0
96 // inform all toplevel widgets of the change
97 QEvent e(QEvent::KeyboardLayoutChange);
98 QWidgetList list = QApplication::topLevelWidgets();
99 for (int i = 0; i < list.size(); ++i) {
100 QWidget *w = list.at(i);
101 qt_sendSpontaneousEvent(w, &e);
102 }
103 #endif
104 }
105
Q_GLOBAL_STATIC(QKeyMapper,keymapper)106 Q_GLOBAL_STATIC(QKeyMapper, keymapper)
107 /*!
108 Returns the pointer to the single instance of QKeyMapper in the application.
109 If none yet exists, the function ensures that one is created.
110 */
111 QKeyMapper *QKeyMapper::instance()
112 {
113 return keymapper();
114 }
115
qt_keymapper_private()116 QKeyMapperPrivate *qt_keymapper_private()
117 {
118 return QKeyMapper::instance()->d_func();
119 }
120
QKeyMapperPrivate()121 QKeyMapperPrivate::QKeyMapperPrivate()
122 {
123 keyboardInputLocale = QLocale::system();
124 keyboardInputDirection = keyboardInputLocale.textDirection();
125 }
126
~QKeyMapperPrivate()127 QKeyMapperPrivate::~QKeyMapperPrivate()
128 {
129 // clearMappings();
130 }
131
clearMappings()132 void QKeyMapperPrivate::clearMappings()
133 {
134 }
135
possibleKeys(QKeyEvent * e)136 QList<int> QKeyMapperPrivate::possibleKeys(QKeyEvent *e)
137 {
138 QList<int> result = QGuiApplicationPrivate::platformIntegration()->possibleKeys(e);
139 if (!result.isEmpty())
140 return result;
141
142 if (e->key() && (e->key() != Qt::Key_unknown))
143 result << int(e->key() + e->modifiers());
144 else if (!e->text().isEmpty())
145 result << int(e->text().at(0).unicode() + e->modifiers());
146 return result;
147 }
148
149 QT_END_NAMESPACE
150