1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Virtual Keyboard module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef INPUTENGINE_H
#define INPUTENGINE_H
#include <QObject>
#include <QPointer>
namespace QtVirtualKeyboard {
class InputContext;
class SelectionListModel;
class AbstractInputMethod;
class InputEnginePrivate;
class Trace;
class InputEngine : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(InputEngine)
Q_DECLARE_PRIVATE(InputEngine)
Q_FLAGS(ReselectFlags)
Q_PROPERTY(Qt::Key activeKey READ activeKey NOTIFY activeKeyChanged)
Q_PROPERTY(Qt::Key previousKey READ previousKey NOTIFY previousKeyChanged)
Q_PROPERTY(QtVirtualKeyboard::AbstractInputMethod *inputMethod READ inputMethod WRITE setInputMethod NOTIFY inputMethodChanged)
Q_PROPERTY(QList<int> inputModes READ inputModes NOTIFY inputModesChanged)
Q_PROPERTY(InputMode inputMode READ inputMode WRITE setInputMode NOTIFY inputModeChanged)
Q_PROPERTY(QList<int> patternRecognitionModes READ patternRecognitionModes NOTIFY patternRecognitionModesChanged)
Q_PROPERTY(QtVirtualKeyboard::SelectionListModel *wordCandidateListModel READ wordCandidateListModel NOTIFY wordCandidateListModelChanged)
Q_PROPERTY(bool wordCandidateListVisibleHint READ wordCandidateListVisibleHint NOTIFY wordCandidateListVisibleHintChanged)
explicit InputEngine(InputContext *parent = 0);
public:
enum TextCase {
Lower,
Upper
};
enum InputMode {
Latin,
Numeric,
Dialable,
Pinyin,
Cangjie,
Zhuyin,
Hangul,
Hiragana,
Katakana,
FullwidthLatin
};
enum PatternRecognitionMode {
PatternRecognitionDisabled,
HandwritingRecoginition
};
enum ReselectFlag {
WordBeforeCursor = 0x1,
WordAfterCursor = 0x2,
WordAtCursor = WordBeforeCursor | WordAfterCursor
};
Q_ENUM(TextCase)
Q_ENUM(InputMode)
Q_ENUM(PatternRecognitionMode)
Q_DECLARE_FLAGS(ReselectFlags, ReselectFlag)
public:
~InputEngine();
Q_INVOKABLE bool virtualKeyPress(Qt::Key key, const QString &text, Qt::KeyboardModifiers modifiers, bool repeat);
Q_INVOKABLE void virtualKeyCancel();
Q_INVOKABLE bool virtualKeyRelease(Qt::Key key, const QString &text, Qt::KeyboardModifiers modifiers);
Q_INVOKABLE bool virtualKeyClick(Qt::Key key, const QString &text, Qt::KeyboardModifiers modifiers);
InputContext *inputContext() const;
Qt::Key activeKey() const;
Qt::Key previousKey() const;
AbstractInputMethod *inputMethod() const;
void setInputMethod(AbstractInputMethod *inputMethod);
QList<int> inputModes() const;
InputMode inputMode() const;
void setInputMode(InputMode inputMode);
SelectionListModel *wordCandidateListModel() const;
bool wordCandidateListVisibleHint() const;
QList<int> patternRecognitionModes() const;
Q_INVOKABLE QtVirtualKeyboard::Trace *traceBegin(int traceId, QtVirtualKeyboard::InputEngine::PatternRecognitionMode patternRecognitionMode,
const QVariantMap &traceCaptureDeviceInfo, const QVariantMap &traceScreenInfo);
Q_INVOKABLE bool traceEnd(QtVirtualKeyboard::Trace *trace);
Q_INVOKABLE bool reselect(int cursorPosition, const ReselectFlags &reselectFlags);
signals:
void virtualKeyClicked(Qt::Key key, const QString &text, Qt::KeyboardModifiers modifiers, bool isAutoRepeat);
void activeKeyChanged(Qt::Key key);
void previousKeyChanged(Qt::Key key);
void inputMethodChanged();
void inputMethodReset();
void inputMethodUpdate();
void inputModesChanged();
void inputModeChanged();
void patternRecognitionModesChanged();
void wordCandidateListModelChanged();
void wordCandidateListVisibleHintChanged();
private slots:
void reset();
void update();
void shiftChanged();
void updateSelectionListModels();
protected:
void timerEvent(QTimerEvent *timerEvent);
private:
friend class InputContext;
};
} // namespace QtVirtualKeyboard
Q_DECLARE_METATYPE(QtVirtualKeyboard::InputEngine::TextCase)
Q_DECLARE_METATYPE(QtVirtualKeyboard::InputEngine::InputMode)
Q_DECLARE_OPERATORS_FOR_FLAGS(QtVirtualKeyboard::InputEngine::ReselectFlags)
#endif
|
