QGIS API Documentation 3.41.0-Master (45a0abf3bec)
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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#include "moc_qgsrichtexteditor.cpp"
33#include "qgsguiutils.h"
34#include "qgscolorbutton.h"
35#include "qgscodeeditor.h"
36#include "qgscodeeditorhtml.h"
37#include "qgscodeeditorwidget.h"
38
39#include <QMimeData>
40#include <QApplication>
41#include <QClipboard>
42#include <QFontDatabase>
43#include <QInputDialog>
44#include <QTextList>
45#include <QtDebug>
46#include <QFileDialog>
47#include <QImageReader>
48#include <QSettings>
49#include <QUrl>
50#include <QMenu>
51#include <QComboBox>
52#include <QToolButton>
53
54QgsRichTextEditor::QgsRichTextEditor( QWidget *parent )
55 : QWidget( parent )
56{
57 setupUi( this );
58
59 mMonospaceFontFamily = QgsCodeEditor::getMonospaceFont().family();
60
61 QVBoxLayout *sourceLayout = new QVBoxLayout();
62 sourceLayout->setContentsMargins( 0, 0, 0, 0 );
63 mSourceEdit = new QgsCodeEditorHTML();
64 QgsCodeEditorWidget *codeEditorWidget = new QgsCodeEditorWidget( mSourceEdit );
65 sourceLayout->addWidget( codeEditorWidget );
66 mPageSourceEdit->setLayout( sourceLayout );
67
68 mToolBar->setIconSize( QgsGuiUtils::iconSize( false ) );
69
70 connect( mTextEdit, &QTextEdit::currentCharFormatChanged, this, &QgsRichTextEditor::slotCurrentCharFormatChanged );
71 connect( mTextEdit, &QTextEdit::cursorPositionChanged, this, &QgsRichTextEditor::slotCursorPositionChanged );
72
73 // undo & redo
74 mActionUndo->setShortcut( QKeySequence::Undo );
75 mActionRedo->setShortcut( QKeySequence::Redo );
76
77 connect( mTextEdit->document(), &QTextDocument::undoAvailable, mActionUndo, &QAction::setEnabled );
78 connect( mTextEdit->document(), &QTextDocument::redoAvailable, mActionRedo, &QAction::setEnabled );
79
80 mActionUndo->setEnabled( mTextEdit->document()->isUndoAvailable() );
81 mActionRedo->setEnabled( mTextEdit->document()->isRedoAvailable() );
82
83 connect( mActionUndo, &QAction::triggered, mTextEdit, &QTextEdit::undo );
84 connect( mActionRedo, &QAction::triggered, mTextEdit, &QTextEdit::redo );
85
86 // cut, copy & paste
87 mActionCut->setShortcut( QKeySequence::Cut );
88 mActionCopy->setShortcut( QKeySequence::Copy );
89 mActionPaste->setShortcut( QKeySequence::Paste );
90
91 mActionCut->setEnabled( false );
92 mActionCopy->setEnabled( false );
93
94 connect( mActionCut, &QAction::triggered, mTextEdit, &QTextEdit::cut );
95 connect( mActionCopy, &QAction::triggered, mTextEdit, &QTextEdit::copy );
96 connect( mActionPaste, &QAction::triggered, mTextEdit, &QTextEdit::paste );
97
98 connect( mTextEdit, &QTextEdit::copyAvailable, mActionCut, &QAction::setEnabled );
99 connect( mTextEdit, &QTextEdit::copyAvailable, mActionCopy, &QAction::setEnabled );
100
101#ifndef QT_NO_CLIPBOARD
102 connect( QApplication::clipboard(), &QClipboard::dataChanged, this, &QgsRichTextEditor::slotClipboardDataChanged );
103#endif
104
105 // link
106 mActionInsertLink->setShortcut( QKeySequence( QStringLiteral( "CTRL+L" ) ) );
107 connect( mActionInsertLink, &QAction::triggered, this, &QgsRichTextEditor::textLink );
108
109 // bold, italic & underline
110 mActionBold->setShortcut( QKeySequence( QStringLiteral( "CTRL+B" ) ) );
111 mActionItalic->setShortcut( QKeySequence( QStringLiteral( "CTRL+I" ) ) );
112 mActionUnderline->setShortcut( QKeySequence( QStringLiteral( "CTRL+U" ) ) );
113
114 connect( mActionBold, &QAction::triggered, this, &QgsRichTextEditor::textBold );
115 connect( mActionItalic, &QAction::triggered, this, &QgsRichTextEditor::textItalic );
116 connect( mActionUnderline, &QAction::triggered, this, &QgsRichTextEditor::textUnderline );
117 connect( mActionStrikeOut, &QAction::triggered, this, &QgsRichTextEditor::textStrikeout );
118
119 // lists
120 mActionBulletList->setShortcut( QKeySequence( QStringLiteral( "CTRL+-" ) ) );
121 mActionOrderedList->setShortcut( QKeySequence( QStringLiteral( "CTRL+=" ) ) );
122 connect( mActionBulletList, &QAction::triggered, this, &QgsRichTextEditor::listBullet );
123 connect( mActionOrderedList, &QAction::triggered, this, &QgsRichTextEditor::listOrdered );
124
125 // indentation
126 mActionDecreaseIndent->setShortcut( QKeySequence( QStringLiteral( "CTRL+," ) ) );
127 mActionIncreaseIndent->setShortcut( QKeySequence( QStringLiteral( "CTRL+." ) ) );
128 connect( mActionIncreaseIndent, &QAction::triggered, this, &QgsRichTextEditor::increaseIndentation );
129 connect( mActionDecreaseIndent, &QAction::triggered, this, &QgsRichTextEditor::decreaseIndentation );
130
131 connect( mActionEditSource, &QAction::toggled, this, &QgsRichTextEditor::editSource );
132
133 // images
134 connect( mActionInsertImage, &QAction::triggered, this, &QgsRichTextEditor::insertImage );
135
136 setMode( Mode::QTextDocument );
137
138 fontChanged( mTextEdit->font() );
139
140 connect( mTextEdit, &QTextEdit::textChanged, this, &QgsRichTextEditor::textChanged );
141 connect( mSourceEdit, &QgsCodeEditorHTML::textChanged, this, &QgsRichTextEditor::textChanged );
142}
143
144void QgsRichTextEditor::setMode( Mode mode )
145{
146 mMode = mode;
147
148 delete mFontSizeCombo;
149 mFontSizeCombo = nullptr;
150 delete mParagraphStyleCombo;
151 mParagraphStyleCombo = nullptr;
152 delete mForeColorButton;
153 mForeColorButton = nullptr;
154 delete mBackColorButton;
155 mBackColorButton = nullptr;
156
157 mToolBar->clear();
158
159 // paragraph formatting
160 mParagraphStyleCombo = new QComboBox();
161 mParagraphStyleCombo->addItem( tr( "Standard" ), ParagraphStandard );
162 mParagraphStyleCombo->addItem( tr( "Heading 1" ), ParagraphHeading1 );
163 mParagraphStyleCombo->addItem( tr( "Heading 2" ), ParagraphHeading2 );
164 mParagraphStyleCombo->addItem( tr( "Heading 3" ), ParagraphHeading3 );
165 mParagraphStyleCombo->addItem( tr( "Heading 4" ), ParagraphHeading4 );
166 mParagraphStyleCombo->addItem( tr( "Monospace" ), ParagraphMonospace );
167
168 connect( mParagraphStyleCombo, qOverload< int >( &QComboBox::activated ), this, &QgsRichTextEditor::textStyle );
169 if ( mode == Mode::QTextDocument )
170 {
171 mToolBar->addWidget( mParagraphStyleCombo );
172 }
173
174 mToolBar->addAction( mActionUndo );
175 mToolBar->addAction( mActionRedo );
176 mToolBar->addAction( mActionCut );
177 mToolBar->addAction( mActionCopy );
178 mToolBar->addAction( mActionPaste );
179
180 // font size
181 mFontSizeCombo = new QComboBox();
182 mFontSizeCombo->setEditable( true );
183
184 const QList< int > sizes = QFontDatabase::standardSizes();
185 for ( const int size : sizes )
186 mFontSizeCombo->addItem( QString::number( size ), size );
187
188 mFontSizeCombo->setCurrentIndex( mFontSizeCombo->findData( QApplication::font().pointSize() ) );
189 connect( mFontSizeCombo, &QComboBox::textActivated, this, &QgsRichTextEditor::textSize );
190
191 if ( mode != Mode::PlainText )
192 {
193 mToolBar->addSeparator();
194 mToolBar->addWidget( mFontSizeCombo );
195 mToolBar->addAction( mActionBold );
196 mToolBar->addAction( mActionItalic );
197 mToolBar->addAction( mActionUnderline );
198 mToolBar->addAction( mActionStrikeOut );
199
200 mToolBar->addSeparator();
201 }
202
203 // text foreground color
204 mForeColorButton = new QgsColorButton();
205 mForeColorButton->setAllowOpacity( false );
206 mForeColorButton->setColorDialogTitle( tr( "Foreground Color" ) );
207 mForeColorButton->setColor( palette().windowText().color() );
208 mForeColorButton->setShowNoColor( false );
209 mForeColorButton->setToolTip( tr( "Foreground color" ) );
210 mForeColorButton->setMinimumWidth( QFontMetrics( font() ).horizontalAdvance( QStringLiteral( "x" ) ) * 10 );
211 mForeColorButton->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed );
212
213 connect( mForeColorButton, &QgsColorButton::colorChanged, this, &QgsRichTextEditor::textFgColor );
214
215 if ( mode != Mode::PlainText )
216 {
217 mToolBar->addWidget( mForeColorButton );
218 }
219
220 // text background color
221 mBackColorButton = new QgsColorButton();
222 mBackColorButton->setAllowOpacity( false );
223 mBackColorButton->setColorDialogTitle( tr( "Background Color" ) );
224 mBackColorButton->setToolTip( tr( "Background color" ) );
225 mBackColorButton->setShowNull( true, tr( "No Background Color" ) );
226 mBackColorButton->setToNull();
227 mBackColorButton->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed );
228 mBackColorButton->setMinimumWidth( QFontMetrics( font() ).horizontalAdvance( QStringLiteral( "x" ) ) * 10 );
229 connect( mBackColorButton, &QgsColorButton::colorChanged, this, &QgsRichTextEditor::textBgColor );
230
231 if ( mode == Mode::QTextDocument )
232 {
233 mToolBar->addWidget( mBackColorButton );
234 mToolBar->addAction( mActionBulletList );
235 mToolBar->addAction( mActionOrderedList );
236 mToolBar->addAction( mActionDecreaseIndent );
237 mToolBar->addAction( mActionIncreaseIndent );
238 mToolBar->addSeparator();
239 mToolBar->addAction( mActionInsertLink );
240 mToolBar->addAction( mActionInsertImage );
241 }
242 if ( mode != Mode::PlainText )
243 {
244 mToolBar->addAction( mActionEditSource );
245 }
246
247 QMenu *menu = new QMenu( this );
248 if ( mode != Mode::PlainText )
249 {
250 QAction *removeFormat = new QAction( tr( "Remove Character Formatting" ), menu );
251 removeFormat->setShortcut( QKeySequence( QStringLiteral( "CTRL+M" ) ) );
252 connect( removeFormat, &QAction::triggered, this, &QgsRichTextEditor::textRemoveFormat );
253 mTextEdit->addAction( removeFormat );
254
255 QAction *removeAllFormat = new QAction( tr( "Remove all Formatting" ), menu );
256 connect( removeAllFormat, &QAction::triggered, this, &QgsRichTextEditor::textRemoveAllFormat );
257 mTextEdit->addAction( removeAllFormat );
258 menu->addAction( removeAllFormat );
259 menu->addAction( removeFormat );
260 }
261
262 QAction *clearText = new QAction( tr( "Clear all Content" ), menu );
263 connect( clearText, &QAction::triggered, this, &QgsRichTextEditor::clearSource );
264 mTextEdit->addAction( clearText );
265
266 menu->addAction( clearText );
267
268 QToolButton *menuButton = new QToolButton( mToolBar );
269 menuButton->setMenu( menu );
270 menuButton->setPopupMode( QToolButton::InstantPopup );
271 menuButton->setToolTip( tr( "Advanced Options" ) );
272 menuButton->setText( QStringLiteral( "…" ) );
273
274 QWidget *spacer = new QWidget();
275 spacer->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
276 mToolBar->addWidget( spacer );
277 mToolBar->addWidget( menuButton );
278
279 if ( mode == Mode::PlainText )
280 {
281 editSource( false );
282 }
283}
284
285QString QgsRichTextEditor::toPlainText() const
286{
287 switch ( mStackedWidget->currentIndex() )
288 {
289 case 0:
290 return mTextEdit->toPlainText();
291
292 case 1:
293 // go via text edit to remove html from text...
294 mTextEdit->setText( mSourceEdit->text() );
295 return mTextEdit->toPlainText();
296
297 default:
298 break;
299 }
300 return QString();
301}
302
303QString QgsRichTextEditor::toHtml() const
304{
305 switch ( mStackedWidget->currentIndex() )
306 {
307 case 0:
308 return mTextEdit->toHtml();
309
310 case 1:
311 return mSourceEdit->text();
312
313 default:
314 break;
315 }
316 return QString();
317}
318
319void QgsRichTextEditor::editSource( bool enabled )
320{
321 if ( enabled )
322 {
323 mSourceEdit->setText( mTextEdit->toHtml() );
324 mStackedWidget->setCurrentIndex( 1 );
325 }
326 else
327 {
328 mTextEdit->setHtml( mSourceEdit->text() );
329 mStackedWidget->setCurrentIndex( 0 );
330 mSourceEdit->clear();
331 }
332
333 // disable formatting actions when in html edit mode
334 mFontSizeCombo->setEnabled( !enabled );
335 mParagraphStyleCombo->setEnabled( !enabled );
336 mForeColorButton->setEnabled( !enabled );
337 mBackColorButton->setEnabled( !enabled );
338 mActionUndo->setEnabled( !enabled );
339 mActionRedo->setEnabled( !enabled );
340 mActionCut->setEnabled( !enabled );
341 mActionCopy->setEnabled( !enabled );
342 mActionPaste->setEnabled( !enabled );
343 mActionInsertLink->setEnabled( !enabled );
344 mActionBold->setEnabled( !enabled );
345 mActionItalic->setEnabled( !enabled );
346 mActionUnderline->setEnabled( !enabled );
347 mActionStrikeOut->setEnabled( !enabled );
348 mActionBulletList->setEnabled( !enabled );
349 mActionOrderedList->setEnabled( !enabled );
350 mActionDecreaseIndent->setEnabled( !enabled );
351 mActionIncreaseIndent->setEnabled( !enabled );
352 mActionInsertImage->setEnabled( !enabled );
353}
354
355void QgsRichTextEditor::clearSource()
356{
357 mTextEdit->clear();
358}
359
360void QgsRichTextEditor::textRemoveFormat()
361{
362 QTextCharFormat format;
363 format.setFontWeight( QFont::Normal );
364 format.setFontUnderline( false );
365 format.setFontStrikeOut( false );
366 format.setFontItalic( false );
367 format.setFontPointSize( 9 );
368
369 mActionBold->setChecked( false );
370 mActionUnderline->setChecked( false );
371 mActionItalic->setChecked( false );
372 mActionStrikeOut->setChecked( false );
373 mFontSizeCombo->setCurrentIndex( mFontSizeCombo->findData( 9 ) );
374
375 format.clearBackground();
376
377 mergeFormatOnWordOrSelection( format );
378}
379
380void QgsRichTextEditor::textRemoveAllFormat()
381{
382 mActionBold->setChecked( false );
383 mActionUnderline->setChecked( false );
384 mActionItalic->setChecked( false );
385 mActionStrikeOut->setChecked( false );
386 mFontSizeCombo->setCurrentIndex( mFontSizeCombo->findData( 9 ) );
387 const QString text = mTextEdit->toPlainText();
388 mTextEdit->setPlainText( text );
389}
390
391void QgsRichTextEditor::textBold()
392{
393 QTextCharFormat format;
394 format.setFontWeight( mActionBold->isChecked() ? QFont::Bold : QFont::Normal );
395 mergeFormatOnWordOrSelection( format );
396}
397
398void QgsRichTextEditor::focusInEvent( QFocusEvent * )
399{
400 mTextEdit->setFocus( Qt::TabFocusReason );
401}
402
403void QgsRichTextEditor::textUnderline()
404{
405 QTextCharFormat format;
406 format.setFontUnderline( mActionUnderline->isChecked() );
407 mergeFormatOnWordOrSelection( format );
408}
409
410void QgsRichTextEditor::textItalic()
411{
412 QTextCharFormat format;
413 format.setFontItalic( mActionItalic->isChecked() );
414 mergeFormatOnWordOrSelection( format );
415}
416
417void QgsRichTextEditor::textStrikeout()
418{
419 QTextCharFormat format;
420 format.setFontStrikeOut( mActionStrikeOut->isChecked() );
421 mergeFormatOnWordOrSelection( format );
422}
423
424void QgsRichTextEditor::textSize( const QString &p )
425{
426 const qreal pointSize = p.toDouble();
427 if ( p.toFloat() > 0 )
428 {
429 QTextCharFormat format;
430 format.setFontPointSize( pointSize );
431 mergeFormatOnWordOrSelection( format );
432 }
433}
434
435void QgsRichTextEditor::textLink( bool checked )
436{
437 bool unlink = false;
438 QTextCharFormat format;
439 if ( checked )
440 {
441 const QString url = mTextEdit->currentCharFormat().anchorHref();
442 bool ok;
443 const QString newUrl = QInputDialog::getText( this, tr( "Create a Link" ),
444 tr( "Link URL:" ), QLineEdit::Normal,
445 url,
446 &ok );
447 if ( ok )
448 {
449 format.setAnchor( true );
450 format.setAnchorHref( newUrl );
451 format.setForeground( palette().color( QPalette::Link ) );
452 format.setFontUnderline( true );
453 }
454 else
455 {
456 unlink = true;
457 }
458 }
459 else
460 {
461 unlink = true;
462 }
463 if ( unlink )
464 {
465 format.setAnchor( false );
466 format.setForeground( palette().color( QPalette::Text ) );
467 format.setFontUnderline( false );
468 }
469 mergeFormatOnWordOrSelection( format );
470}
471
472void QgsRichTextEditor::textStyle( int )
473{
474 QTextCursor cursor = mTextEdit->textCursor();
475 cursor.beginEditBlock();
476
477 // standard
478 if ( !cursor.hasSelection() )
479 {
480 cursor.select( QTextCursor::BlockUnderCursor );
481 }
482 QTextCharFormat format;
483 cursor.setCharFormat( format );
484 mTextEdit->setCurrentCharFormat( format );
485
486 const ParagraphItems style = static_cast< ParagraphItems >( mParagraphStyleCombo->currentData().toInt() );
487
488 switch ( style )
489 {
490 case QgsRichTextEditor::ParagraphStandard:
491 break;
492
493 case QgsRichTextEditor::ParagraphHeading1:
494 format.setFontPointSize( mFontSizeH1 );
495 format.setFontWeight( QFont::Bold );
496 break;
497
498 case QgsRichTextEditor::ParagraphHeading2:
499 format.setFontPointSize( mFontSizeH2 );
500 format.setFontWeight( QFont::Bold );
501 format.setFontItalic( true );
502 break;
503
504 case QgsRichTextEditor::ParagraphHeading3:
505 format.setFontPointSize( mFontSizeH3 );
506 format.setFontWeight( QFont::Bold );
507 break;
508
509 case QgsRichTextEditor::ParagraphHeading4:
510 format.setFontPointSize( mFontSizeH4 );
511 format.setFontWeight( QFont::Bold );
512 format.setFontItalic( true );
513 break;
514
515 case QgsRichTextEditor::ParagraphMonospace:
516 {
517 format = cursor.charFormat();
518 format.setFontFamily( mMonospaceFontFamily );
519 format.setFontStyleHint( QFont::Monospace );
520 format.setFontFixedPitch( true );
521 break;
522 }
523 }
524
525 cursor.setCharFormat( format );
526 mTextEdit->setCurrentCharFormat( format );
527
528 cursor.endEditBlock();
529}
530
531void QgsRichTextEditor::textFgColor()
532{
533 QTextCharFormat format;
534 format.setForeground( mForeColorButton->color() );
535 mergeFormatOnWordOrSelection( format );
536}
537
538void QgsRichTextEditor::textBgColor()
539{
540 QTextCharFormat format;
541 const QColor col = mBackColorButton->color();
542 if ( col.isValid() )
543 {
544 format.setBackground( col );
545 }
546 else
547 {
548 format.clearBackground();
549 }
550 mergeFormatOnWordOrSelection( format );
551}
552
553void QgsRichTextEditor::listBullet( bool checked )
554{
555 if ( checked )
556 {
557 mActionOrderedList->setChecked( false );
558 }
559 list( checked, QTextListFormat::ListDisc );
560}
561
562void QgsRichTextEditor::listOrdered( bool checked )
563{
564 if ( checked )
565 {
566 mActionBulletList->setChecked( false );
567 }
568 list( checked, QTextListFormat::ListDecimal );
569}
570
571void QgsRichTextEditor::list( bool checked, QTextListFormat::Style style )
572{
573 QTextCursor cursor = mTextEdit->textCursor();
574 cursor.beginEditBlock();
575 if ( !checked )
576 {
577 const QTextBlockFormat originalFormat = cursor.blockFormat();
578 QTextBlockFormat format;
579 format.setIndent( originalFormat.indent() );
580 cursor.setBlockFormat( format );
581 }
582 else
583 {
584 QTextListFormat listFormat;
585 if ( cursor.currentList() )
586 {
587 listFormat = cursor.currentList()->format();
588 }
589 listFormat.setStyle( style );
590 cursor.createList( listFormat );
591 }
592 cursor.endEditBlock();
593}
594
595void QgsRichTextEditor::mergeFormatOnWordOrSelection( const QTextCharFormat &format )
596{
597 QTextCursor cursor = mTextEdit->textCursor();
598 if ( !cursor.hasSelection() )
599 {
600 cursor.select( QTextCursor::WordUnderCursor );
601 }
602 cursor.mergeCharFormat( format );
603 mTextEdit->mergeCurrentCharFormat( format );
604 mTextEdit->setFocus( Qt::TabFocusReason );
605}
606
607void QgsRichTextEditor::slotCursorPositionChanged()
608{
609 QTextList *l = mTextEdit->textCursor().currentList();
610 if ( mLastBlockList && ( l == mLastBlockList || ( l && mLastBlockList
611 && l->format().style() == mLastBlockList->format().style() ) ) )
612 {
613 return;
614 }
615 mLastBlockList = l;
616 if ( l )
617 {
618 const QTextListFormat listFormat = l->format();
619 if ( listFormat.style() == QTextListFormat::ListDisc )
620 {
621 mActionBulletList->setChecked( true );
622 mActionOrderedList->setChecked( false );
623 }
624 else if ( listFormat.style() == QTextListFormat::ListDecimal )
625 {
626 mActionBulletList->setChecked( false );
627 mActionOrderedList->setChecked( true );
628 }
629 else
630 {
631 mActionBulletList->setChecked( false );
632 mActionOrderedList->setChecked( false );
633 }
634 }
635 else
636 {
637 mActionBulletList->setChecked( false );
638 mActionOrderedList->setChecked( false );
639 }
640}
641
642void QgsRichTextEditor::fontChanged( const QFont &f )
643{
644 mFontSizeCombo->setCurrentIndex( mFontSizeCombo->findData( f.pointSize() ) );
645 mActionBold->setChecked( f.bold() );
646 mActionItalic->setChecked( f.italic() );
647 mActionUnderline->setChecked( f.underline() );
648 mActionStrikeOut->setChecked( f.strikeOut() );
649 if ( f.pointSize() == mFontSizeH1 )
650 {
651 mParagraphStyleCombo->setCurrentIndex( ParagraphHeading1 );
652 }
653 else if ( f.pointSize() == mFontSizeH2 )
654 {
655 mParagraphStyleCombo->setCurrentIndex( ParagraphHeading2 );
656 }
657 else if ( f.pointSize() == mFontSizeH3 )
658 {
659 mParagraphStyleCombo->setCurrentIndex( ParagraphHeading3 );
660 }
661 else if ( f.pointSize() == mFontSizeH4 )
662 {
663 mParagraphStyleCombo->setCurrentIndex( ParagraphHeading4 );
664 }
665 else
666 {
667 if ( f.fixedPitch() && f.family() == mMonospaceFontFamily )
668 {
669 mParagraphStyleCombo->setCurrentIndex( ParagraphMonospace );
670 }
671 else
672 {
673 mParagraphStyleCombo->setCurrentIndex( ParagraphStandard );
674 }
675 }
676 if ( mTextEdit->textCursor().currentList() )
677 {
678 const QTextListFormat listFormat = mTextEdit->textCursor().currentList()->format();
679 if ( listFormat.style() == QTextListFormat::ListDisc )
680 {
681 mActionBulletList->setChecked( true );
682 mActionOrderedList->setChecked( false );
683 }
684 else if ( listFormat.style() == QTextListFormat::ListDecimal )
685 {
686 mActionBulletList->setChecked( false );
687 mActionOrderedList->setChecked( true );
688 }
689 else
690 {
691 mActionBulletList->setChecked( false );
692 mActionOrderedList->setChecked( false );
693 }
694 }
695 else
696 {
697 mActionBulletList->setChecked( false );
698 mActionOrderedList->setChecked( false );
699 }
700}
701
702void QgsRichTextEditor::fgColorChanged( const QColor &c )
703{
704 whileBlocking( mForeColorButton )->setColor( c );
705}
706
707void QgsRichTextEditor::bgColorChanged( const QColor &c )
708{
709 if ( c.isValid() )
710 whileBlocking( mBackColorButton )->setColor( c );
711 else
712 whileBlocking( mBackColorButton )->setToNull();
713}
714
715void QgsRichTextEditor::slotCurrentCharFormatChanged( const QTextCharFormat &format )
716{
717 fontChanged( format.font() );
718 bgColorChanged( ( format.background().isOpaque() ) ? format.background().color() : QColor() );
719 fgColorChanged( ( format.foreground().isOpaque() ) ? format.foreground().color() : palette().windowText().color() );
720 mActionInsertLink->setChecked( format.isAnchor() );
721}
722
723void QgsRichTextEditor::slotClipboardDataChanged()
724{
725#ifndef QT_NO_CLIPBOARD
726 if ( const QMimeData *md = QApplication::clipboard()->mimeData() )
727 mActionPaste->setEnabled( md->hasText() );
728#endif
729}
730
731void QgsRichTextEditor::increaseIndentation()
732{
733 indent( +1 );
734}
735
736void QgsRichTextEditor::decreaseIndentation()
737{
738 indent( -1 );
739}
740
741void QgsRichTextEditor::indent( int delta )
742{
743 QTextCursor cursor = mTextEdit->textCursor();
744 cursor.beginEditBlock();
745 QTextBlockFormat format = cursor.blockFormat();
746 const int indent = format.indent();
747 if ( indent + delta >= 0 )
748 {
749 format.setIndent( indent + delta );
750 }
751 cursor.setBlockFormat( format );
752 cursor.endEditBlock();
753}
754
755void QgsRichTextEditor::setText( const QString &text )
756{
757 if ( text.isEmpty() )
758 {
759 setPlainText( text );
760 return;
761 }
762 if ( text[0] == '<' )
763 {
764 setHtml( text );
765 }
766 else
767 {
768 setPlainText( text );
769 }
770}
771
772void QgsRichTextEditor::insertImage()
773{
774 const QSettings s;
775 const QString attdir = s.value( QStringLiteral( "general/filedialog-path" ) ).toString();
776 const QString file = QFileDialog::getOpenFileName( this,
777 tr( "Select an image" ),
778 attdir,
779 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:32
QgsCodeEditorWidget
A widget which wraps a QgsCodeEditor in additional functionality.
Definition qgscodeeditorwidget.h:49
QgsCodeEditor::getMonospaceFont
static QFont getMonospaceFont()
Returns the monospaced font to use for code editors.
Definition qgscodeeditor.cpp:1057
QgsColorButton
A cross platform button subclass for selecting colors.
Definition qgscolorbutton.h:35
QgsColorButton::colorChanged
void colorChanged(const QColor &color)
Emitted whenever a new color is set for the button.
QgsColorButton::setColorDialogTitle
void setColorDialogTitle(const QString &title)
Set the title for the color chooser dialog window.
Definition qgscolorbutton.cpp:778
QgsColorButton::setShowNull
void setShowNull(bool showNull, const QString &nullString=QString())
Sets whether a set to null (clear) option is shown in the button's drop-down menu.
Definition qgscolorbutton.cpp:808
QgsColorButton::setAllowOpacity
void setAllowOpacity(bool allowOpacity)
Sets whether opacity modification (transparency) is permitted for the color.
Definition qgscolorbutton.cpp:773
QgsColorButton::setShowNoColor
void setShowNoColor(const bool showNoColorOption)
Sets whether the "no color" option should be shown in the button's drop-down menu.
Definition qgscolorbutton.h:176
QgsColorButton::setToNull
void setToNull()
Sets color to null.
Definition qgscolorbutton.cpp:158
QgsColorButton::setColor
void setColor(const QColor &color)
Sets the current color for the button.
Definition qgscolorbutton.cpp:622
QgsRichTextEditor::QgsRichTextEditor
QgsRichTextEditor(QWidget *parent=nullptr)
Constructor for QgsRichTextEditor, with the specified parent widget.
Definition qgsrichtexteditor.cpp:54
QgsRichTextEditor::toPlainText
QString toPlainText() const
Returns the widget's content as a plain text string.
Definition qgsrichtexteditor.cpp:285
QgsRichTextEditor::mode
Mode mode() const
Returns the widget's mode, which defines which formatting options are exposed in the widget.
Definition qgsrichtexteditor.h:88
QgsRichTextEditor::setMode
void setMode(Mode mode)
Sets the widget's mode, which defines which formatting options are exposed in the widget.
Definition qgsrichtexteditor.cpp:144
QgsRichTextEditor::Mode::QTextDocument
@ QTextDocument
Default mode, exposes the Qt supported HTML/CSS subset.
QgsRichTextEditor::Mode::PlainText
@ PlainText
Plain text mode.
QgsRichTextEditor::toHtml
QString toHtml() const
Returns the widget's content as a HTML string.
Definition qgsrichtexteditor.cpp:303
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:355
QgsRichTextEditor::focusInEvent
void focusInEvent(QFocusEvent *event) override
Definition qgsrichtexteditor.cpp:398
QgsRichTextEditor::setText
void setText(const QString &text)
Sets the text to show in the widget.
Definition qgsrichtexteditor.cpp:755
QgsGuiUtils::iconSize
QSize iconSize(bool dockableToolbar)
Returns the user-preferred size of a window's toolbar icons.
Definition qgsguiutils.cpp:268
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:5862
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