summaryrefslogtreecommitdiffstats
path: root/src/gui/inputmethod/qcoefepinputcontext_p.h
blob: a5425dc20f189224889ebd53d34c8a8fdbedb9d6 (plain)
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QCOEFEPINPUTCONTEXT_P_H
#define QCOEFEPINPUTCONTEXT_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#ifndef QT_NO_IM

#include "qinputcontext.h"
#include <qhash.h>
#include <qtimer.h>
#include <private/qcore_symbian_p.h>
#include <private/qt_s60_p.h>

#include <fepbase.h>
#include <aknedsts.h>
#include <eikccpu.h>
#include <eikedwin.h>
#include <aknedformaccessor.h>

class CAknExtendedInputCapabilities;

QT_BEGIN_NAMESPACE

class QCoeFepInputMaskHandler
{
public:
    QCoeFepInputMaskHandler(const QString &mask);
    ~QCoeFepInputMaskHandler();
    bool canPasteClipboard(const QString &text);
private:
    bool isValidInput(QChar key, QChar mask) const;
private:
    struct MaskInputData {
        enum Casemode { NoCaseMode, Upper, Lower };
        QChar maskChar;
        bool separator;
        Casemode caseMode;
    };
    int m_maxLength;
    QChar m_blank;
    MaskInputData *m_maskData;
};

class Q_AUTOTEST_EXPORT QCoeFepInputContext : public QInputContext,
                                              public MCoeFepAwareTextEditor,
                                              public MCoeFepAwareTextEditor_Extension1,
                                              public MObjectProvider,
                                              public MEikCcpuEditor

{
    Q_OBJECT

public:
    QCoeFepInputContext(QObject *parent = 0);
    ~QCoeFepInputContext();

    QString identifierName() { return QLatin1String("coefep"); }
    QString language();

    void reset();
    void update();

    bool filterEvent(const QEvent *event);
    bool symbianFilterEvent(QWidget *keyWidget, const QSymbianEvent *event);
    void mouseHandler( int x, QMouseEvent *event);
    bool isComposing() const { return !m_preeditString.isEmpty(); }

    void setFocusWidget(QWidget * w);
    void widgetDestroyed(QWidget *w);

    TCoeInputCapabilities inputCapabilities();

    void resetSplitViewWidget(bool keepInputWidget = false);
    void ensureFocusWidgetVisible(QWidget *widget);

protected:
    void timerEvent(QTimerEvent *timerEvent);

private:
    void commitCurrentString(bool cancelFepTransaction);
    void updateHints(bool mustUpdateInputCapabilities);
    void applyHints(Qt::InputMethodHints hints);
    void applyFormat(QList<QInputMethodEvent::Attribute> *attributes);
    void queueInputCapabilitiesChanged();
    bool needsInputPanel();
    void commitTemporaryPreeditString();
    bool isWidgetVisible(QWidget *widget, int offset = 0);
    bool isPartialKeyboardSupported();
    bool vietCharConversion(const QEvent *event);

private Q_SLOTS:
    void ensureInputCapabilitiesChanged();
    void translateInputWidget();
    void ensureWidgetVisibility();

    // From MCoeFepAwareTextEditor
public:
    void StartFepInlineEditL(const TDesC& aInitialInlineText, TInt aPositionOfInsertionPointInInlineText,
            TBool aCursorVisibility, const MFormCustomDraw* aCustomDraw,
            MFepInlineTextFormatRetriever& aInlineTextFormatRetriever,
            MFepPointerEventHandlerDuringInlineEdit& aPointerEventHandlerDuringInlineEdit);
    void UpdateFepInlineTextL(const TDesC& aNewInlineText, TInt aPositionOfInsertionPointInInlineText);
    void SetInlineEditingCursorVisibilityL(TBool aCursorVisibility);
    void CancelFepInlineEdit();
    TInt DocumentLengthForFep() const;
    TInt DocumentMaximumLengthForFep() const;
    void SetCursorSelectionForFepL(const TCursorSelection& aCursorSelection);
    void GetCursorSelectionForFep(TCursorSelection& aCursorSelection) const;
    void GetEditorContentForFep(TDes& aEditorContent, TInt aDocumentPosition, TInt aLengthToRetrieve) const;
    void GetFormatForFep(TCharFormat& aFormat, TInt aDocumentPosition) const;
    void GetScreenCoordinatesForFepL(TPoint& aLeftSideOfBaseLine, TInt& aHeight, TInt& aAscent,
            TInt aDocumentPosition) const;
private:
    void DoCommitFepInlineEditL();
    MCoeFepAwareTextEditor_Extension1* Extension1(TBool& aSetToTrue);
    void ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateEvent aEventType);
    void enableSymbianCcpuSupport();
    void changeCBA(bool showCopyAndOrPaste);
    void copyOrCutTextToClipboard(const char *operation);
    void getScreenCoordinatesForFepX(TPoint& aLeftSideOfBaseLine, TInt& aHeight, TInt& aAscent,
            TInt aDocumentPosition) const;

    //From MEikCcpuEditor interface
public:
    TBool CcpuIsFocused() const;
    TBool CcpuCanCut() const;
    void CcpuCutL();
    TBool CcpuCanCopy() const;
    void CcpuCopyL();
    TBool CcpuCanPaste() const;
    void CcpuPasteL();
    TBool CcpuCanUndo() const;
    void CcpuUndoL();

private slots:
    void copy();
    void paste();

    // From MCoeFepAwareTextEditor_Extension1
public:
    void SetStateTransferingOwnershipL(MCoeFepAwareTextEditor_Extension1::CState* aState, TUid aTypeSafetyUid);
    MCoeFepAwareTextEditor_Extension1::CState* State(TUid aTypeSafetyUid);

    // From MObjectProvider
public:
    TTypeUid::Ptr MopSupplyObject(TTypeUid id);
    MObjectProvider *MopNext();

private:
    QSymbianControl *m_parent;
    CAknEdwinState *m_fepState;
    QString m_preeditString;
    Qt::InputMethodHints m_lastImHints;
    TUint m_textCapabilities;
    bool m_inDestruction;
    bool m_pendingInputCapabilitiesChanged;
    bool m_pendingTransactionCancel;
    int m_cursorVisibility;
    int m_inlinePosition;
    MFepInlineTextFormatRetriever *m_formatRetriever;
    MFepPointerEventHandlerDuringInlineEdit *m_pointerHandler;
    QBasicTimer m_tempPreeditStringTimeout;
    bool m_hasTempPreeditString;
    QString m_cachedPreeditString;
    int m_cachedCursorAndAnchorPosition;

    int m_splitViewResizeBy;
    Qt::WindowStates m_splitViewPreviousWindowStates;
    QRectF m_transformation;
    QGraphicsItem *m_splitViewPreviousFocusItem; //can't use QPointer<> since QGraphicsItem is not a QObject.

    CAknCcpuSupport *m_ccpu;
    QAction *m_copyAction;
    QAction *m_pasteAction;
    QPointer<QWidget> m_lastFocusedEditor;
    QPointer<QObject> m_lastFocusedObject;

    CAknExtendedInputCapabilities *m_extendedInputCapabilities;

    QScopedPointer<CAknEdwinFormAccessor> m_formAccessor;
    QScopedPointer<CEikEdwin> m_dummyEditor;

    friend class tst_QInputContext;
};

Q_GUI_EXPORT void qt_s60_setPartialScreenInputMode(bool enable);
Q_GUI_EXPORT void qt_s60_setPartialScreenAutomaticTranslation(bool enable);
Q_GUI_EXPORT void qt_s60_setEditorFlags(int flags);

QT_END_NAMESPACE

#endif // QT_NO_IM

#endif // QCOEFEPINPUTCONTEXT_P_H