summaryrefslogtreecommitdiffstats
path: root/src/gui/widgets/qtextedit.h
blob: 9e10e077c647735ed48b472b00aaec408ffed897 (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
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QTEXTEDIT_H
#define QTEXTEDIT_H

#include <QtGui/qabstractscrollarea.h>
#include <QtGui/qtextdocument.h>
#include <QtGui/qtextoption.h>
#include <QtGui/qtextcursor.h>
#include <QtGui/qtextformat.h>

#ifndef QT_NO_TEXTEDIT

#ifdef QT3_SUPPORT
#include <QtGui/qtextobject.h>
#include <QtGui/qtextlayout.h>
#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QStyleSheet;
class QTextDocument;
class QMenu;
class QTextEditPrivate;
class QMimeData;

class Q_GUI_EXPORT QTextEdit : public QAbstractScrollArea
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QTextEdit)
    Q_FLAGS(AutoFormatting)
    Q_ENUMS(LineWrapMode)
    Q_PROPERTY(AutoFormatting autoFormatting READ autoFormatting WRITE setAutoFormatting)
    Q_PROPERTY(bool tabChangesFocus READ tabChangesFocus WRITE setTabChangesFocus)
    Q_PROPERTY(QString documentTitle READ documentTitle WRITE setDocumentTitle)
    Q_PROPERTY(bool undoRedoEnabled READ isUndoRedoEnabled WRITE setUndoRedoEnabled)
    Q_PROPERTY(LineWrapMode lineWrapMode READ lineWrapMode WRITE setLineWrapMode)
    QDOC_PROPERTY(QTextOption::WrapMode wordWrapMode READ wordWrapMode WRITE setWordWrapMode)
    Q_PROPERTY(int lineWrapColumnOrWidth READ lineWrapColumnOrWidth WRITE setLineWrapColumnOrWidth)
    Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
#ifndef QT_NO_TEXTHTMLPARSER
    Q_PROPERTY(QString html READ toHtml WRITE setHtml NOTIFY textChanged USER true)
#endif
    Q_PROPERTY(QString plainText READ toPlainText WRITE setPlainText DESIGNABLE false)
    Q_PROPERTY(bool overwriteMode READ overwriteMode WRITE setOverwriteMode)
    Q_PROPERTY(int tabStopWidth READ tabStopWidth WRITE setTabStopWidth)
    Q_PROPERTY(bool acceptRichText READ acceptRichText WRITE setAcceptRichText)
    Q_PROPERTY(int cursorWidth READ cursorWidth WRITE setCursorWidth)
    Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags)
public:
    enum LineWrapMode {
        NoWrap,
        WidgetWidth,
        FixedPixelWidth,
        FixedColumnWidth
    };

    enum AutoFormattingFlag {
        AutoNone = 0,
        AutoBulletList = 0x00000001,
        AutoAll = 0xffffffff
    };

    Q_DECLARE_FLAGS(AutoFormatting, AutoFormattingFlag)

#if defined(QT3_SUPPORT)
    enum CursorAction {
        MoveBackward,
        MoveForward,
        MoveWordBackward,
        MoveWordForward,
        MoveUp,
        MoveDown,
        MoveLineStart,
        MoveLineEnd,
        MoveHome,
        MoveEnd,
        MovePageUp,
        MovePageDown
#if !defined(Q_MOC_RUN)
        ,
        MovePgUp = MovePageUp,
        MovePgDown = MovePageDown
#endif
    };
#endif

    explicit QTextEdit(QWidget *parent = 0);
    explicit QTextEdit(const QString &text, QWidget *parent = 0);
    virtual ~QTextEdit();

    void setDocument(QTextDocument *document);
    QTextDocument *document() const;

    void setTextCursor(const QTextCursor &cursor);
    QTextCursor textCursor() const;

    bool isReadOnly() const;
    void setReadOnly(bool ro);

    void setTextInteractionFlags(Qt::TextInteractionFlags flags);
    Qt::TextInteractionFlags textInteractionFlags() const;

    qreal fontPointSize() const;
    QString fontFamily() const;
    int fontWeight() const;
    bool fontUnderline() const;
    bool fontItalic() const;
    QColor textColor() const;
    QColor textBackgroundColor() const;
    QFont currentFont() const;
    Qt::Alignment alignment() const;

    void mergeCurrentCharFormat(const QTextCharFormat &modifier);

    void setCurrentCharFormat(const QTextCharFormat &format);
    QTextCharFormat currentCharFormat() const;

    AutoFormatting autoFormatting() const;
    void setAutoFormatting(AutoFormatting features);

    bool tabChangesFocus() const;
    void setTabChangesFocus(bool b);

    inline void setDocumentTitle(const QString &title)
    { document()->setMetaInformation(QTextDocument::DocumentTitle, title); }
    inline QString documentTitle() const
    { return document()->metaInformation(QTextDocument::DocumentTitle); }

    inline bool isUndoRedoEnabled() const
    { return document()->isUndoRedoEnabled(); }
    inline void setUndoRedoEnabled(bool enable)
    { document()->setUndoRedoEnabled(enable); }

    LineWrapMode lineWrapMode() const;
    void setLineWrapMode(LineWrapMode mode);

    int lineWrapColumnOrWidth() const;
    void setLineWrapColumnOrWidth(int w);

    QTextOption::WrapMode wordWrapMode() const;
    void setWordWrapMode(QTextOption::WrapMode policy);

    bool find(const QString &exp, QTextDocument::FindFlags options = 0);

    inline QString toPlainText() const
    { return document()->toPlainText(); }
#ifndef QT_NO_TEXTHTMLPARSER
    inline QString toHtml() const
    { return document()->toHtml(); }
#endif

    void ensureCursorVisible();

    virtual QVariant loadResource(int type, const QUrl &name);
#ifndef QT_NO_CONTEXTMENU
    QMenu *createStandardContextMenu();
    QMenu *createStandardContextMenu(const QPoint &position);
#endif

    QTextCursor cursorForPosition(const QPoint &pos) const;
    QRect cursorRect(const QTextCursor &cursor) const;
    QRect cursorRect() const;

    QString anchorAt(const QPoint& pos) const;

    bool overwriteMode() const;
    void setOverwriteMode(bool overwrite);

    int tabStopWidth() const;
    void setTabStopWidth(int width);

    int cursorWidth() const;
    void setCursorWidth(int width);

    bool acceptRichText() const;
    void setAcceptRichText(bool accept);

    struct ExtraSelection
    {
        QTextCursor cursor;
        QTextCharFormat format;
    };
    void setExtraSelections(const QList<ExtraSelection> &selections);
    QList<ExtraSelection> extraSelections() const;

    void moveCursor(QTextCursor::MoveOperation operation, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);

    bool canPaste() const;

#ifndef QT_NO_PRINTER
    void print(QPrinter *printer) const;
#endif

public Q_SLOTS:
    void setFontPointSize(qreal s);
    void setFontFamily(const QString &fontFamily);
    void setFontWeight(int w);
    void setFontUnderline(bool b);
    void setFontItalic(bool b);
    void setTextColor(const QColor &c);
    void setTextBackgroundColor(const QColor &c);
    void setCurrentFont(const QFont &f);
    void setAlignment(Qt::Alignment a);

    void setPlainText(const QString &text);
#ifndef QT_NO_TEXTHTMLPARSER
    void setHtml(const QString &text);
#endif
    void setText(const QString &text);

#ifndef QT_NO_CLIPBOARD
    void cut();
    void copy();
    void paste();
#endif

    void undo();
    void redo();

    void clear();
    void selectAll();

    void insertPlainText(const QString &text);
#ifndef QT_NO_TEXTHTMLPARSER
    void insertHtml(const QString &text);
#endif // QT_NO_TEXTHTMLPARSER

    void append(const QString &text);

    void scrollToAnchor(const QString &name);

    void zoomIn(int range = 1);
    void zoomOut(int range = 1);

Q_SIGNALS:
    void textChanged();
    void undoAvailable(bool b);
    void redoAvailable(bool b);
    void currentCharFormatChanged(const QTextCharFormat &format);
    void copyAvailable(bool b);
    void selectionChanged();
    void cursorPositionChanged();

protected:
    virtual bool event(QEvent *e);
    virtual void timerEvent(QTimerEvent *e);
    virtual void keyPressEvent(QKeyEvent *e);
    virtual void keyReleaseEvent(QKeyEvent *e);
    virtual void resizeEvent(QResizeEvent *e);
    virtual void paintEvent(QPaintEvent *e);
    virtual void mousePressEvent(QMouseEvent *e);
    virtual void mouseMoveEvent(QMouseEvent *e);
    virtual void mouseReleaseEvent(QMouseEvent *e);
    virtual void mouseDoubleClickEvent(QMouseEvent *e);
    virtual bool focusNextPrevChild(bool next);
#ifndef QT_NO_CONTEXTMENU
    virtual void contextMenuEvent(QContextMenuEvent *e);
#endif
#ifndef QT_NO_DRAGANDDROP
    virtual void dragEnterEvent(QDragEnterEvent *e);
    virtual void dragLeaveEvent(QDragLeaveEvent *e);
    virtual void dragMoveEvent(QDragMoveEvent *e);
    virtual void dropEvent(QDropEvent *e);
#endif
    virtual void focusInEvent(QFocusEvent *e);
    virtual void focusOutEvent(QFocusEvent *e);
    virtual void showEvent(QShowEvent *);
    virtual void changeEvent(QEvent *e);
#ifndef QT_NO_WHEELEVENT
    virtual void wheelEvent(QWheelEvent *e);
#endif

    virtual QMimeData *createMimeDataFromSelection() const;
    virtual bool canInsertFromMimeData(const QMimeData *source) const;
    virtual void insertFromMimeData(const QMimeData *source);

    virtual void inputMethodEvent(QInputMethodEvent *);
    QVariant inputMethodQuery(Qt::InputMethodQuery property) const;

    QTextEdit(QTextEditPrivate &dd, QWidget *parent);

    virtual void scrollContentsBy(int dx, int dy);

#ifdef QT3_SUPPORT
Q_SIGNALS:
    QT_MOC_COMPAT void currentFontChanged(const QFont &f);
    QT_MOC_COMPAT void currentColorChanged(const QColor &c);

public:
    QT3_SUPPORT_CONSTRUCTOR QTextEdit(QWidget *parent, const char *name);
    inline QT3_SUPPORT bool find(const QString &exp, bool cs, bool wo)
    {
        QTextDocument::FindFlags flags = 0;
        if (cs)
            flags |= QTextDocument::FindCaseSensitively;
        if (wo)
            flags |= QTextDocument::FindWholeWords;
        return find(exp, flags);
    }

    inline QT3_SUPPORT void sync() {}

    QT3_SUPPORT void moveCursor(CursorAction action, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
    QT3_SUPPORT void moveCursor(CursorAction action, bool select);

    enum KeyboardAction {
        ActionBackspace,
        ActionDelete,
        ActionReturn,
        ActionKill,
        ActionWordBackspace,
        ActionWordDelete
    };

    QT3_SUPPORT void doKeyboardAction(KeyboardAction action);

    QT3_SUPPORT QString text() const;
    QT3_SUPPORT void setTextFormat(Qt::TextFormat);
    QT3_SUPPORT Qt::TextFormat textFormat() const;

    inline QT3_SUPPORT void setBold(bool b) { setFontWeight(b ? QFont::Bold : QFont::Normal); }
    inline QT3_SUPPORT void setUnderline(bool b) { setFontUnderline(b); }
    inline QT3_SUPPORT void setItalic(bool i) { setFontItalic(i); }
    inline QT3_SUPPORT void setFamily(const QString &family) { setFontFamily(family); }
    inline QT3_SUPPORT void setPointSize(int size) { setFontPointSize(size); }

    inline QT3_SUPPORT bool italic() const { return fontItalic(); }
    inline QT3_SUPPORT bool bold() const { return fontWeight() >= QFont::Bold; }
    inline QT3_SUPPORT bool underline() const { return fontUnderline(); }
    inline QT3_SUPPORT QString family() const { return fontFamily(); }
    inline QT3_SUPPORT int pointSize() const { return (int)(fontPointSize()+0.5); }

    inline QT3_SUPPORT bool hasSelectedText() const
    { return textCursor().hasSelection(); }
    inline QT3_SUPPORT QString selectedText() const
    { return textCursor().selectedText(); }

    inline QT3_SUPPORT bool isUndoAvailable() const
    { return document()->isUndoAvailable(); }
    inline QT3_SUPPORT bool isRedoAvailable() const
    { return document()->isRedoAvailable(); }

    inline QT3_SUPPORT void insert(const QString &text)
    { insertPlainText(text); }

    inline QT3_SUPPORT bool isModified() const
    { return document()->isModified(); }

    inline QT3_SUPPORT QColor color() const
    { return textColor(); }

public Q_SLOTS:
    inline QT_MOC_COMPAT void setModified(bool m = true)
    { document()->setModified(m); }
public:
    inline QT3_SUPPORT void undo() const
    { document()->undo(); }
    inline QT3_SUPPORT void redo() const
    { document()->redo(); }

public Q_SLOTS:
    inline QT_MOC_COMPAT void setColor(const QColor &c)
    { setTextColor(c); }

#endif

private:
    Q_DISABLE_COPY(QTextEdit)
    Q_PRIVATE_SLOT(d_func(), void _q_repaintContents(const QRectF &r))
    Q_PRIVATE_SLOT(d_func(), void _q_currentCharFormatChanged(const QTextCharFormat &))
    Q_PRIVATE_SLOT(d_func(), void _q_adjustScrollbars())
    Q_PRIVATE_SLOT(d_func(), void _q_ensureVisible(const QRectF &))
    Q_PRIVATE_SLOT(d_func(), void _q_gestureTriggered())
    friend class QTextEditControl;
    friend class QTextDocument;
    friend class QTextControl;
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QTextEdit::AutoFormatting)

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_TEXTEDIT

#endif // QTEXTEDIT_H