QGIS API Documentation 3.99.0-Master (2fe06baccd8)
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qgsrichtexteditor.cpp
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1/****************************************************************************
2**
3** Copyright (C) 2013 Jiří Procházka (Hobrasoft)
4** Contact: http://www.hobrasoft.cz/
5**
6** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
7** Contact: http://www.qt-project.org/legal
8**
9** This library is free software; you can redistribute it and/or
10** modify it under the terms of the GNU Lesser General Public
11** License as published by the Free Software Foundation; either
12** version 2.1 of the License, or (at your option) any later version.
13**
14** $QT_BEGIN_LICENSE:LGPL$
15** GNU Lesser General Public License Usage
16** This file is under the terms of the GNU Lesser General Public License
17** version 2.1 as published by the Free Software Foundation and appearing
18** in the file LICENSE.LGPL included in the packaging of this file.
19** Please review the following information to ensure the
20** GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Digia gives you certain additional
24** rights. These rights are described in the Digia Qt LGPL Exception
25** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
26**
27** $QT_END_LICENSE$
28**
29****************************************************************************/
30
31#include "qgsrichtexteditor.h"
32
33#include "qgscodeeditor.h"
34#include "qgscodeeditorhtml.h"
35#include "qgscodeeditorwidget.h"
36#include "qgscolorbutton.h"
37#include "qgsguiutils.h"
38
39#include <QApplication>
40#include <QClipboard>
41#include <QComboBox>
42#include <QFileDialog>
43#include <QFontDatabase>
44#include <QImageReader>
45#include <QInputDialog>
46#include <QMenu>
47#include <QMimeData>
48#include <QSettings>
49#include <QTextList>
50#include <QToolButton>
51#include <QUrl>
52#include <QtDebug>
53
54#include "moc_qgsrichtexteditor.cpp"
55
56QgsRichTextEditor::QgsRichTextEditor( QWidget *parent )
57 : QWidget( parent )
58{
59 setupUi( this );
60
61 mMonospaceFontFamily = QgsCodeEditor::getMonospaceFont().family();
62
63 QVBoxLayout *sourceLayout = new QVBoxLayout();
64 sourceLayout->setContentsMargins( 0, 0, 0, 0 );
65 mSourceEdit = new QgsCodeEditorHTML();
66 QgsCodeEditorWidget *codeEditorWidget = new QgsCodeEditorWidget( mSourceEdit );
67 sourceLayout->addWidget( codeEditorWidget );
68 mPageSourceEdit->setLayout( sourceLayout );
69
70 mToolBar->setIconSize( QgsGuiUtils::iconSize( false ) );
71
72 connect( mTextEdit, &QTextEdit::currentCharFormatChanged, this, &QgsRichTextEditor::slotCurrentCharFormatChanged );
73 connect( mTextEdit, &QTextEdit::cursorPositionChanged, this, &QgsRichTextEditor::slotCursorPositionChanged );
74
75 // undo & redo
76 mActionUndo->setShortcut( QKeySequence::Undo );
77 mActionRedo->setShortcut( QKeySequence::Redo );
78
79 connect( mTextEdit->document(), &QTextDocument::undoAvailable, mActionUndo, &QAction::setEnabled );
80 connect( mTextEdit->document(), &QTextDocument::redoAvailable, mActionRedo, &QAction::setEnabled );
81
82 mActionUndo->setEnabled( mTextEdit->document()->isUndoAvailable() );
83 mActionRedo->setEnabled( mTextEdit->document()->isRedoAvailable() );
84
85 connect( mActionUndo, &QAction::triggered, mTextEdit, &QTextEdit::undo );
86 connect( mActionRedo, &QAction::triggered, mTextEdit, &QTextEdit::redo );
87
88 // cut, copy & paste
89 mActionCut->setShortcut( QKeySequence::Cut );
90 mActionCopy->setShortcut( QKeySequence::Copy );
91 mActionPaste->setShortcut( QKeySequence::Paste );
92
93 mActionCut->setEnabled( false );
94 mActionCopy->setEnabled( false );
95
96 connect( mActionCut, &QAction::triggered, mTextEdit, &QTextEdit::cut );
97 connect( mActionCopy, &QAction::triggered, mTextEdit, &QTextEdit::copy );
98 connect( mActionPaste, &QAction::triggered, mTextEdit, &QTextEdit::paste );
99
100 connect( mTextEdit, &QTextEdit::copyAvailable, mActionCut, &QAction::setEnabled );
101 connect( mTextEdit, &QTextEdit::copyAvailable, mActionCopy, &QAction::setEnabled );
102
103#ifndef QT_NO_CLIPBOARD
104 connect( QApplication::clipboard(), &QClipboard::dataChanged, this, &QgsRichTextEditor::slotClipboardDataChanged );
105#endif
106
107 // link
108 mActionInsertLink->setShortcut( QKeySequence( QStringLiteral( "CTRL+L" ) ) );
109 connect( mActionInsertLink, &QAction::triggered, this, &QgsRichTextEditor::textLink );
110
111 // bold, italic & underline
112 mActionBold->setShortcut( QKeySequence( QStringLiteral( "CTRL+B" ) ) );
113 mActionItalic->setShortcut( QKeySequence( QStringLiteral( "CTRL+I" ) ) );
114 mActionUnderline->setShortcut( QKeySequence( QStringLiteral( "CTRL+U" ) ) );
115
116 connect( mActionBold, &QAction::triggered, this, &QgsRichTextEditor::textBold );
117 connect( mActionItalic, &QAction::triggered, this, &QgsRichTextEditor::textItalic );
118 connect( mActionUnderline, &QAction::triggered, this, &QgsRichTextEditor::textUnderline );
119 connect( mActionStrikeOut, &QAction::triggered, this, &QgsRichTextEditor::textStrikeout );
120
121 // lists
122 mActionBulletList->setShortcut( QKeySequence( QStringLiteral( "CTRL+-" ) ) );
123 mActionOrderedList->setShortcut( QKeySequence( QStringLiteral( "CTRL+=" ) ) );
124 connect( mActionBulletList, &QAction::triggered, this, &QgsRichTextEditor::listBullet );
125 connect( mActionOrderedList, &QAction::triggered, this, &QgsRichTextEditor::listOrdered );
126
127 // indentation
128 mActionDecreaseIndent->setShortcut( QKeySequence( QStringLiteral( "CTRL+," ) ) );
129 mActionIncreaseIndent->setShortcut( QKeySequence( QStringLiteral( "CTRL+." ) ) );
130 connect( mActionIncreaseIndent, &QAction::triggered, this, &QgsRichTextEditor::increaseIndentation );
131 connect( mActionDecreaseIndent, &QAction::triggered, this, &QgsRichTextEditor::decreaseIndentation );
132
133 connect( mActionEditSource, &QAction::toggled, this, &QgsRichTextEditor::editSource );
134
135 // images
136 connect( mActionInsertImage, &QAction::triggered, this, &QgsRichTextEditor::insertImage );
137
138 setMode( Mode::QTextDocument );
139
140 fontChanged( mTextEdit->font() );
141
142 connect( mTextEdit, &QTextEdit::textChanged, this, &QgsRichTextEditor::textChanged );
143 connect( mSourceEdit, &QgsCodeEditorHTML::textChanged, this, &QgsRichTextEditor::textChanged );
144}
145
146void QgsRichTextEditor::setMode( Mode mode )
147{
148 mMode = mode;
149
150 delete mFontSizeCombo;
151 mFontSizeCombo = nullptr;
152 delete mParagraphStyleCombo;
153 mParagraphStyleCombo = nullptr;
154 delete mForeColorButton;
155 mForeColorButton = nullptr;
156 delete mBackColorButton;
157 mBackColorButton = nullptr;
158
159 mToolBar->clear();
160
161 // paragraph formatting
162 mParagraphStyleCombo = new QComboBox();
163 mParagraphStyleCombo->addItem( tr( "Standard" ), ParagraphStandard );
164 mParagraphStyleCombo->addItem( tr( "Heading 1" ), ParagraphHeading1 );
165 mParagraphStyleCombo->addItem( tr( "Heading 2" ), ParagraphHeading2 );
166 mParagraphStyleCombo->addItem( tr( "Heading 3" ), ParagraphHeading3 );
167 mParagraphStyleCombo->addItem( tr( "Heading 4" ), ParagraphHeading4 );
168 mParagraphStyleCombo->addItem( tr( "Monospace" ), ParagraphMonospace );
169
170 connect( mParagraphStyleCombo, qOverload<int>( &QComboBox::activated ), this, &QgsRichTextEditor::textStyle );
171 if ( mode == Mode::QTextDocument )
172 {
173 mToolBar->addWidget( mParagraphStyleCombo );
174 }
175
176 mToolBar->addAction( mActionUndo );
177 mToolBar->addAction( mActionRedo );
178 mToolBar->addAction( mActionCut );
179 mToolBar->addAction( mActionCopy );
180 mToolBar->addAction( mActionPaste );
181
182 // font size
183 mFontSizeCombo = new QComboBox();
184 mFontSizeCombo->setEditable( true );
185
186 const QList<int> sizes = QFontDatabase::standardSizes();
187 for ( const int size : sizes )
188 mFontSizeCombo->addItem( QString::number( size ), size );
189
190 mFontSizeCombo->setCurrentIndex( mFontSizeCombo->findData( QApplication::font().pointSize() ) );
191 connect( mFontSizeCombo, &QComboBox::textActivated, this, &QgsRichTextEditor::textSize );
192
193 if ( mode != Mode::PlainText )
194 {
195 mToolBar->addSeparator();
196 mToolBar->addWidget( mFontSizeCombo );
197 mToolBar->addAction( mActionBold );
198 mToolBar->addAction( mActionItalic );
199 mToolBar->addAction( mActionUnderline );
200 mToolBar->addAction( mActionStrikeOut );
201
202 mToolBar->addSeparator();
203 }
204
205 // text foreground color
206 mForeColorButton = new QgsColorButton();
207 mForeColorButton->setAllowOpacity( false );
208 mForeColorButton->setColorDialogTitle( tr( "Foreground Color" ) );
209 mForeColorButton->setColor( palette().windowText().color() );
210 mForeColorButton->setShowNoColor( false );
211 mForeColorButton->setToolTip( tr( "Foreground color" ) );
212 mForeColorButton->setMinimumWidth( QFontMetrics( font() ).horizontalAdvance( QStringLiteral( "x" ) ) * 10 );
213 mForeColorButton->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed );
214
215 connect( mForeColorButton, &QgsColorButton::colorChanged, this, &QgsRichTextEditor::textFgColor );
216
217 if ( mode != Mode::PlainText )
218 {
219 mToolBar->addWidget( mForeColorButton );
220 }
221
222 // text background color
223 mBackColorButton = new QgsColorButton();
224 mBackColorButton->setAllowOpacity( false );
225 mBackColorButton->setColorDialogTitle( tr( "Background Color" ) );
226 mBackColorButton->setToolTip( tr( "Background color" ) );
227 mBackColorButton->setShowNull( true, tr( "No Background Color" ) );
228 mBackColorButton->setToNull();
229 mBackColorButton->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed );
230 mBackColorButton->setMinimumWidth( QFontMetrics( font() ).horizontalAdvance( QStringLiteral( "x" ) ) * 10 );
231 connect( mBackColorButton, &QgsColorButton::colorChanged, this, &QgsRichTextEditor::textBgColor );
232
233 if ( mode == Mode::QTextDocument )
234 {
235 mToolBar->addWidget( mBackColorButton );
236 mToolBar->addAction( mActionBulletList );
237 mToolBar->addAction( mActionOrderedList );
238 mToolBar->addAction( mActionDecreaseIndent );
239 mToolBar->addAction( mActionIncreaseIndent );
240 mToolBar->addSeparator();
241 mToolBar->addAction( mActionInsertLink );
242 mToolBar->addAction( mActionInsertImage );
243 }
244 if ( mode != Mode::PlainText )
245 {
246 mToolBar->addAction( mActionEditSource );
247 }
248
249 QMenu *menu = new QMenu( this );
250 if ( mode != Mode::PlainText )
251 {
252 QAction *removeFormat = new QAction( tr( "Remove Character Formatting" ), menu );
253 removeFormat->setShortcut( QKeySequence( QStringLiteral( "CTRL+M" ) ) );
254 connect( removeFormat, &QAction::triggered, this, &QgsRichTextEditor::textRemoveFormat );
255 mTextEdit->addAction( removeFormat );
256
257 QAction *removeAllFormat = new QAction( tr( "Remove all Formatting" ), menu );
258 connect( removeAllFormat, &QAction::triggered, this, &QgsRichTextEditor::textRemoveAllFormat );
259 mTextEdit->addAction( removeAllFormat );
260 menu->addAction( removeAllFormat );
261 menu->addAction( removeFormat );
262 }
263
264 QAction *clearText = new QAction( tr( "Clear all Content" ), menu );
265 connect( clearText, &QAction::triggered, this, &QgsRichTextEditor::clearSource );
266 mTextEdit->addAction( clearText );
267
268 menu->addAction( clearText );
269
270 QToolButton *menuButton = new QToolButton( mToolBar );
271 menuButton->setMenu( menu );
272 menuButton->setPopupMode( QToolButton::InstantPopup );
273 menuButton->setToolTip( tr( "Advanced Options" ) );
274 menuButton->setText( QStringLiteral( "…" ) );
275
276 QWidget *spacer = new QWidget();
277 spacer->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
278 mToolBar->addWidget( spacer );
279 mToolBar->addWidget( menuButton );
280
281 if ( mode == Mode::PlainText )
282 {
283 editSource( false );
284 }
285}
286
287QString QgsRichTextEditor::toPlainText() const
288{
289 switch ( mStackedWidget->currentIndex() )
290 {
291 case 0:
292 return mTextEdit->toPlainText();
293
294 case 1:
295 // go via text edit to remove html from text...
296 mTextEdit->setText( mSourceEdit->text() );
297 return mTextEdit->toPlainText();
298
299 default:
300 break;
301 }
302 return QString();
303}
304
305QString QgsRichTextEditor::toHtml() const
306{
307 switch ( mStackedWidget->currentIndex() )
308 {
309 case 0:
310 return mTextEdit->toHtml();
311
312 case 1:
313 return mSourceEdit->text();
314
315 default:
316 break;
317 }
318 return QString();
319}
320
321void QgsRichTextEditor::editSource( bool enabled )
322{
323 if ( enabled && mStackedWidget->currentIndex() == 0 )
324 {
325 mSourceEdit->setText( mTextEdit->toHtml() );
326 mStackedWidget->setCurrentIndex( 1 );
327 }
328 else if ( !enabled && mStackedWidget->currentIndex() == 1 )
329 {
330 mTextEdit->setHtml( mSourceEdit->text() );
331 mStackedWidget->setCurrentIndex( 0 );
332 mSourceEdit->clear();
333 }
334
335 // disable formatting actions when in html edit mode
336 mFontSizeCombo->setEnabled( !enabled );
337 mParagraphStyleCombo->setEnabled( !enabled );
338 mForeColorButton->setEnabled( !enabled );
339 mBackColorButton->setEnabled( !enabled );
340 mActionUndo->setEnabled( !enabled );
341 mActionRedo->setEnabled( !enabled );
342 mActionCut->setEnabled( !enabled );
343 mActionCopy->setEnabled( !enabled );
344 mActionPaste->setEnabled( !enabled );
345 mActionInsertLink->setEnabled( !enabled );
346 mActionBold->setEnabled( !enabled );
347 mActionItalic->setEnabled( !enabled );
348 mActionUnderline->setEnabled( !enabled );
349 mActionStrikeOut->setEnabled( !enabled );
350 mActionBulletList->setEnabled( !enabled );
351 mActionOrderedList->setEnabled( !enabled );
352 mActionDecreaseIndent->setEnabled( !enabled );
353 mActionIncreaseIndent->setEnabled( !enabled );
354 mActionInsertImage->setEnabled( !enabled );
355}
356
357void QgsRichTextEditor::clearSource()
358{
359 mTextEdit->clear();
360}
361
362void QgsRichTextEditor::textRemoveFormat()
363{
364 QTextCharFormat format;
365 format.setFontWeight( QFont::Normal );
366 format.setFontUnderline( false );
367 format.setFontStrikeOut( false );
368 format.setFontItalic( false );
369 format.setFontPointSize( 9 );
370
371 mActionBold->setChecked( false );
372 mActionUnderline->setChecked( false );
373 mActionItalic->setChecked( false );
374 mActionStrikeOut->setChecked( false );
375 mFontSizeCombo->setCurrentIndex( mFontSizeCombo->findData( 9 ) );
376
377 format.clearBackground();
378
379 mergeFormatOnWordOrSelection( format );
380}
381
382void QgsRichTextEditor::textRemoveAllFormat()
383{
384 mActionBold->setChecked( false );
385 mActionUnderline->setChecked( false );
386 mActionItalic->setChecked( false );
387 mActionStrikeOut->setChecked( false );
388 mFontSizeCombo->setCurrentIndex( mFontSizeCombo->findData( 9 ) );
389 const QString text = mTextEdit->toPlainText();
390 mTextEdit->setPlainText( text );
391}
392
393void QgsRichTextEditor::textBold()
394{
395 QTextCharFormat format;
396 format.setFontWeight( mActionBold->isChecked() ? QFont::Bold : QFont::Normal );
397 mergeFormatOnWordOrSelection( format );
398}
399
400void QgsRichTextEditor::focusInEvent( QFocusEvent * )
401{
402 mTextEdit->setFocus( Qt::TabFocusReason );
403}
404
405void QgsRichTextEditor::textUnderline()
406{
407 QTextCharFormat format;
408 format.setFontUnderline( mActionUnderline->isChecked() );
409 mergeFormatOnWordOrSelection( format );
410}
411
412void QgsRichTextEditor::textItalic()
413{
414 QTextCharFormat format;
415 format.setFontItalic( mActionItalic->isChecked() );
416 mergeFormatOnWordOrSelection( format );
417}
418
419void QgsRichTextEditor::textStrikeout()
420{
421 QTextCharFormat format;
422 format.setFontStrikeOut( mActionStrikeOut->isChecked() );
423 mergeFormatOnWordOrSelection( format );
424}
425
426void QgsRichTextEditor::textSize( const QString &p )
427{
428 const qreal pointSize = p.toDouble();
429 if ( p.toFloat() > 0 )
430 {
431 QTextCharFormat format;
432 format.setFontPointSize( pointSize );
433 mergeFormatOnWordOrSelection( format );
434 }
435}
436
437void QgsRichTextEditor::textLink( bool checked )
438{
439 bool unlink = false;
440 QTextCharFormat format;
441 if ( checked )
442 {
443 const QString url = mTextEdit->currentCharFormat().anchorHref();
444 bool ok;
445 const QString newUrl = QInputDialog::getText( this, tr( "Create a Link" ), tr( "Link URL:" ), QLineEdit::Normal, url, &ok );
446 if ( ok )
447 {
448 format.setAnchor( true );
449 format.setAnchorHref( newUrl );
450 format.setForeground( palette().color( QPalette::Link ) );
451 format.setFontUnderline( true );
452 }
453 else
454 {
455 unlink = true;
456 }
457 }
458 else
459 {
460 unlink = true;
461 }
462 if ( unlink )
463 {
464 format.setAnchor( false );
465 format.setForeground( palette().color( QPalette::Text ) );
466 format.setFontUnderline( false );
467 }
468 mergeFormatOnWordOrSelection( format );
469}
470
471void QgsRichTextEditor::textStyle( int index )
472{
473 QTextCursor cursor = mTextEdit->textCursor();
474 cursor.beginEditBlock();
475
476 // standard
477 if ( !cursor.hasSelection() )
478 {
479 cursor.select( QTextCursor::BlockUnderCursor );
480 }
481 QTextCharFormat format;
482 cursor.setCharFormat( format );
483 mTextEdit->setCurrentCharFormat( format );
484
485 const ParagraphItems style = static_cast<ParagraphItems>( mParagraphStyleCombo->itemData( index ).toInt() );
486
487 switch ( style )
488 {
489 case QgsRichTextEditor::ParagraphStandard:
490 break;
491
492 case QgsRichTextEditor::ParagraphHeading1:
493 format.setFontPointSize( mFontSizeH1 );
494 format.setFontWeight( QFont::Bold );
495 break;
496
497 case QgsRichTextEditor::ParagraphHeading2:
498 format.setFontPointSize( mFontSizeH2 );
499 format.setFontWeight( QFont::Bold );
500 format.setFontItalic( true );
501 break;
502
503 case QgsRichTextEditor::ParagraphHeading3:
504 format.setFontPointSize( mFontSizeH3 );
505 format.setFontWeight( QFont::Bold );
506 break;
507
508 case QgsRichTextEditor::ParagraphHeading4:
509 format.setFontPointSize( mFontSizeH4 );
510 format.setFontWeight( QFont::Bold );
511 format.setFontItalic( true );
512 break;
513
514 case QgsRichTextEditor::ParagraphMonospace:
515 {
516 format = cursor.charFormat();
517 format.setFontFamily( mMonospaceFontFamily );
518 format.setFontStyleHint( QFont::Monospace );
519 format.setFontFixedPitch( true );
520 break;
521 }
522 }
523
524 cursor.setCharFormat( format );
525 mTextEdit->setCurrentCharFormat( format );
526
527 cursor.endEditBlock();
528}
529
530void QgsRichTextEditor::textFgColor()
531{
532 QTextCharFormat format;
533 format.setForeground( mForeColorButton->color() );
534 mergeFormatOnWordOrSelection( format );
535}
536
537void QgsRichTextEditor::textBgColor()
538{
539 QTextCharFormat format;
540 const QColor col = mBackColorButton->color();
541 if ( col.isValid() )
542 {
543 format.setBackground( col );
544 }
545 else
546 {
547 format.clearBackground();
548 }
549 mergeFormatOnWordOrSelection( format );
550}
551
552void QgsRichTextEditor::listBullet( bool checked )
553{
554 if ( checked )
555 {
556 mActionOrderedList->setChecked( false );
557 }
558 list( checked, QTextListFormat::ListDisc );
559}
560
561void QgsRichTextEditor::listOrdered( bool checked )
562{
563 if ( checked )
564 {
565 mActionBulletList->setChecked( false );
566 }
567 list( checked, QTextListFormat::ListDecimal );
568}
569
570void QgsRichTextEditor::list( bool checked, QTextListFormat::Style style )
571{
572 QTextCursor cursor = mTextEdit->textCursor();
573 cursor.beginEditBlock();
574 if ( !checked )
575 {
576 const QTextBlockFormat originalFormat = cursor.blockFormat();
577 QTextBlockFormat format;
578 format.setIndent( originalFormat.indent() );
579 cursor.setBlockFormat( format );
580 }
581 else
582 {
583 QTextListFormat listFormat;
584 if ( cursor.currentList() )
585 {
586 listFormat = cursor.currentList()->format();
587 }
588 listFormat.setStyle( style );
589 cursor.createList( listFormat );
590 }
591 cursor.endEditBlock();
592}
593
594void QgsRichTextEditor::mergeFormatOnWordOrSelection( const QTextCharFormat &format )
595{
596 QTextCursor cursor = mTextEdit->textCursor();
597 if ( !cursor.hasSelection() )
598 {
599 cursor.select( QTextCursor::WordUnderCursor );
600 }
601 cursor.mergeCharFormat( format );
602 mTextEdit->mergeCurrentCharFormat( format );
603 mTextEdit->setFocus( Qt::TabFocusReason );
604}
605
606void QgsRichTextEditor::slotCursorPositionChanged()
607{
608 QTextList *l = mTextEdit->textCursor().currentList();
609 if ( mLastBlockList && ( l == mLastBlockList || ( l && mLastBlockList && l->format().style() == mLastBlockList->format().style() ) ) )
610 {
611 return;
612 }
613 mLastBlockList = l;
614 if ( l )
615 {
616 const QTextListFormat listFormat = l->format();
617 if ( listFormat.style() == QTextListFormat::ListDisc )
618 {
619 mActionBulletList->setChecked( true );
620 mActionOrderedList->setChecked( false );
621 }
622 else if ( listFormat.style() == QTextListFormat::ListDecimal )
623 {
624 mActionBulletList->setChecked( false );
625 mActionOrderedList->setChecked( true );
626 }
627 else
628 {
629 mActionBulletList->setChecked( false );
630 mActionOrderedList->setChecked( false );
631 }
632 }
633 else
634 {
635 mActionBulletList->setChecked( false );
636 mActionOrderedList->setChecked( false );
637 }
638}
639
640void QgsRichTextEditor::fontChanged( const QFont &f )
641{
642 mFontSizeCombo->setCurrentIndex( mFontSizeCombo->findData( f.pointSize() ) );
643 mActionBold->setChecked( f.bold() );
644 mActionItalic->setChecked( f.italic() );
645 mActionUnderline->setChecked( f.underline() );
646 mActionStrikeOut->setChecked( f.strikeOut() );
647 if ( f.bold() && f.pointSize() == mFontSizeH1 )
648 {
649 mParagraphStyleCombo->setCurrentIndex( ParagraphHeading1 );
650 }
651 else if ( f.bold() && f.pointSize() == mFontSizeH2 )
652 {
653 mParagraphStyleCombo->setCurrentIndex( ParagraphHeading2 );
654 }
655 else if ( f.bold() && f.pointSize() == mFontSizeH3 )
656 {
657 mParagraphStyleCombo->setCurrentIndex( ParagraphHeading3 );
658 }
659 else if ( f.bold() && f.pointSize() == mFontSizeH4 )
660 {
661 mParagraphStyleCombo->setCurrentIndex( ParagraphHeading4 );
662 }
663 else
664 {
665 if ( f.fixedPitch() && f.family() == mMonospaceFontFamily )
666 {
667 mParagraphStyleCombo->setCurrentIndex( ParagraphMonospace );
668 }
669 else
670 {
671 mParagraphStyleCombo->setCurrentIndex( ParagraphStandard );
672 }
673 }
674 if ( mTextEdit->textCursor().currentList() )
675 {
676 const QTextListFormat listFormat = mTextEdit->textCursor().currentList()->format();
677 if ( listFormat.style() == QTextListFormat::ListDisc )
678 {
679 mActionBulletList->setChecked( true );
680 mActionOrderedList->setChecked( false );
681 }
682 else if ( listFormat.style() == QTextListFormat::ListDecimal )
683 {
684 mActionBulletList->setChecked( false );
685 mActionOrderedList->setChecked( true );
686 }
687 else
688 {
689 mActionBulletList->setChecked( false );
690 mActionOrderedList->setChecked( false );
691 }
692 }
693 else
694 {
695 mActionBulletList->setChecked( false );
696 mActionOrderedList->setChecked( false );
697 }
698}
699
700void QgsRichTextEditor::fgColorChanged( const QColor &c )
701{
702 whileBlocking( mForeColorButton )->setColor( c );
703}
704
705void QgsRichTextEditor::bgColorChanged( const QColor &c )
706{
707 if ( c.isValid() )
708 whileBlocking( mBackColorButton )->setColor( c );
709 else
710 whileBlocking( mBackColorButton )->setToNull();
711}
712
713void QgsRichTextEditor::slotCurrentCharFormatChanged( const QTextCharFormat &format )
714{
715 fontChanged( format.font() );
716 bgColorChanged( ( format.background().isOpaque() ) ? format.background().color() : QColor() );
717 fgColorChanged( ( format.foreground().isOpaque() ) ? format.foreground().color() : palette().windowText().color() );
718 mActionInsertLink->setChecked( format.isAnchor() );
719}
720
721void QgsRichTextEditor::slotClipboardDataChanged()
722{
723#ifndef QT_NO_CLIPBOARD
724 if ( const QMimeData *md = QApplication::clipboard()->mimeData() )
725 mActionPaste->setEnabled( md->hasText() );
726#endif
727}
728
729void QgsRichTextEditor::increaseIndentation()
730{
731 indent( +1 );
732}
733
734void QgsRichTextEditor::decreaseIndentation()
735{
736 indent( -1 );
737}
738
739void QgsRichTextEditor::indent( int delta )
740{
741 QTextCursor cursor = mTextEdit->textCursor();
742 cursor.beginEditBlock();
743 QTextBlockFormat format = cursor.blockFormat();
744 const int indent = format.indent();
745 if ( indent + delta >= 0 )
746 {
747 format.setIndent( indent + delta );
748 }
749 cursor.setBlockFormat( format );
750 cursor.endEditBlock();
751}
752
753void QgsRichTextEditor::setText( const QString &text )
754{
755 if ( text.isEmpty() )
756 {
757 mTextEdit->setPlainText( text );
758 mSourceEdit->clear();
759 return;
760 }
761
762 const thread_local QRegularExpression sIsHtmlRx( QStringLiteral( "^\\s*<" ) );
763 if ( sIsHtmlRx.match( text ).hasMatch() )
764 {
765 mTextEdit->setHtml( text );
766 mSourceEdit->setText( text );
767 }
768 else
769 {
770 mTextEdit->setPlainText( text );
771 mSourceEdit->setText( text );
772 }
773}
774
775void QgsRichTextEditor::insertImage()
776{
777 const QSettings s;
778 const QString attdir = s.value( QStringLiteral( "general/filedialog-path" ) ).toString();
779 const QString file = QFileDialog::getOpenFileName( this, tr( "Select an image" ), attdir, tr( "JPEG (*.jpg);; GIF (*.gif);; PNG (*.png);; BMP (*.bmp);; All (*)" ) );
780 if ( file.isEmpty() )
781 return;
782
783 const QImage image = QImageReader( file ).read();
784
785 mTextEdit->dropImage( image, QFileInfo( file ).suffix().toUpper().toLocal8Bit().data() );
786}
QgsCodeEditorHTML
A HTML editor based on QScintilla2.
Definition qgscodeeditorhtml.h:33
QgsCodeEditorWidget
A widget which wraps a QgsCodeEditor in additional functionality.
Definition qgscodeeditorwidget.h:49
QgsCodeEditor::setText
void setText(const QString &text) override
Definition qgscodeeditor.cpp:974
QgsCodeEditor::getMonospaceFont
static QFont getMonospaceFont()
Returns the monospaced font to use for code editors.
Definition qgscodeeditor.cpp:1223
QgsColorButton
A cross platform button subclass for selecting colors.
Definition qgscolorbutton.h:39
QgsColorButton::colorChanged
void colorChanged(const QColor &color)
Emitted whenever a new color is set for the button.
QgsRichTextEditor::QgsRichTextEditor
QgsRichTextEditor(QWidget *parent=nullptr)
Constructor for QgsRichTextEditor, with the specified parent widget.
Definition qgsrichtexteditor.cpp:56
QgsRichTextEditor::toPlainText
QString toPlainText() const
Returns the widget's content as a plain text string.
Definition qgsrichtexteditor.cpp:287
QgsRichTextEditor::mode
Mode mode() const
Returns the widget's mode, which defines which formatting options are exposed in the widget.
Definition qgsrichtexteditor.h:89
QgsRichTextEditor::setMode
void setMode(Mode mode)
Sets the widget's mode, which defines which formatting options are exposed in the widget.
Definition qgsrichtexteditor.cpp:146
QgsRichTextEditor::Mode::QTextDocument
@ QTextDocument
Default mode, exposes the Qt supported HTML/CSS subset.
Definition qgsrichtexteditor.h:71
QgsRichTextEditor::Mode::PlainText
@ PlainText
Plain text mode.
Definition qgsrichtexteditor.h:73
QgsRichTextEditor::toHtml
QString toHtml() const
Returns the widget's content as a HTML string.
Definition qgsrichtexteditor.cpp:305
QgsRichTextEditor::textChanged
void textChanged()
Emitted when the text contents are changed.
QgsRichTextEditor::clearSource
void clearSource()
Clears the current text from the widget.
Definition qgsrichtexteditor.cpp:357
QgsRichTextEditor::focusInEvent
void focusInEvent(QFocusEvent *event) override
Definition qgsrichtexteditor.cpp:400
QgsRichTextEditor::setText
void setText(const QString &text)
Sets the text to show in the widget.
Definition qgsrichtexteditor.cpp:753
QgsGuiUtils::iconSize
QSize iconSize(bool dockableToolbar)
Returns the user-preferred size of a window's toolbar icons.
Definition qgsguiutils.cpp:265
c
As part of the API refactoring and improvements which landed in the Processing API was substantially reworked from the x version This was done in order to allow much of the underlying Processing framework to be ported into c
Definition porting_processing.dox:1
whileBlocking
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Definition qgis.h:6511
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