QGIS API Documentation 3.41.0-Master (3440c17df1d)
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qgscompoundcolorwidget.cpp
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1/***************************************************************************
2 qgscompoundcolorwidget.cpp
3 --------------------------
4 begin : April 2016
5 copyright : (C) 2016 by Nyall Dawson
6 email : nyall dot dawson at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#include "qgscompoundcolorwidget.h"
17#include "moc_qgscompoundcolorwidget.cpp"
18#include "qgscolorscheme.h"
19#include "qgscolorschemeregistry.h"
20#include "qgssymbollayerutils.h"
21#include "qgsapplication.h"
22#include "qgssettings.h"
23#include "qgsscreenhelper.h"
24#include "qgsguiutils.h"
25
26#include <QButtonGroup>
27#include <QHeaderView>
28#include <QPushButton>
29#include <QMenu>
30#include <QToolButton>
31#include <QFileDialog>
32#include <QMessageBox>
33#include <QMouseEvent>
34#include <QScreen>
35#include <QInputDialog>
36#include <QVBoxLayout>
37#include <QRegularExpression>
38
39QgsCompoundColorWidget::QgsCompoundColorWidget( QWidget *parent, const QColor &color, Layout widgetLayout )
40 : QgsPanelWidget( parent )
41{
42 setupUi( this );
43
44 mScreenHelper = new QgsScreenHelper( this );
45
46 mRgbRadios =
47 {
48 { mHueRadio, QgsColorWidget::ColorComponent::Hue },
49 { mSaturationRadio, QgsColorWidget::ColorComponent::Saturation },
50 { mValueRadio, QgsColorWidget::ColorComponent::Value },
51 { mRedRadio, QgsColorWidget::ColorComponent::Red },
52 { mGreenRadio, QgsColorWidget::ColorComponent::Green },
53 { mBlueRadio, QgsColorWidget::ColorComponent::Blue }
54 };
55
56 mCmykRadios =
57 {
58 { mCyanRadio, QgsColorWidget::ColorComponent::Cyan },
59 { mMagentaRadio, QgsColorWidget::ColorComponent::Magenta },
60 { mYellowRadio, QgsColorWidget::ColorComponent::Yellow },
61 { mBlackRadio, QgsColorWidget::ColorComponent::Black }
62 };
63
64 mRgbGroup = new QButtonGroup( this );
65 int i = 0;
66 for ( auto colorRadio : mRgbRadios )
67 mRgbGroup->addButton( colorRadio.first, i++ );
68
69 mCmykGroup = new QButtonGroup( this );
70 i = 0;
71 for ( auto colorRadio : mCmykRadios )
72 mCmykGroup->addButton( colorRadio.first, i++ );
73
74 connect( mRgbGroup, &QButtonGroup::idToggled, this, &QgsCompoundColorWidget::onColorButtonGroupToggled );
75 connect( mCmykGroup, &QButtonGroup::idToggled, this, &QgsCompoundColorWidget::onColorButtonGroupToggled );
76 connect( mAddColorToSchemeButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mAddColorToSchemeButton_clicked );
77 connect( mAddCustomColorButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mAddCustomColorButton_clicked );
78 connect( mSampleButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mSampleButton_clicked );
79 connect( mTabWidget, &QTabWidget::currentChanged, this, &QgsCompoundColorWidget::mTabWidget_currentChanged );
80 connect( mActionShowInButtons, &QAction::toggled, this, &QgsCompoundColorWidget::mActionShowInButtons_toggled );
81
82 mColorModel->addItem( tr( "RGB" ), QColor::Spec::Rgb );
83 mColorModel->addItem( tr( "CMYK" ), QColor::Spec::Cmyk );
84 connect( mColorModel, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, [this]( int )
85 {
86 const QColor::Spec spec = static_cast< QColor::Spec >( mColorModel->currentData().toInt() );
87 if ( spec == QColor::Spec::Cmyk )
88 setColor( this->color().toCmyk() );
89 else
90 setColor( this->color().toRgb() );
91
92 updateComponent();
93 } );
94
95 if ( widgetLayout == LayoutVertical )
96 {
97 // shuffle stuff around
98 QVBoxLayout *newLayout = new QVBoxLayout();
99 newLayout->setContentsMargins( 0, 0, 0, 0 );
100 newLayout->addWidget( mTabWidget );
101 newLayout->addWidget( mSlidersWidget );
102 newLayout->addWidget( mPreviewWidget );
103 newLayout->addWidget( mSwatchesWidget );
104 delete layout();
105 setLayout( newLayout );
106 }
107
108 const QgsSettings settings;
109
110 mSchemeList->header()->hide();
111 mSchemeList->setColumnWidth( 0, static_cast< int >( Qgis::UI_SCALE_FACTOR * fontMetrics().horizontalAdvance( 'X' ) * 6 ) );
112
113 //get schemes with ShowInColorDialog set
114 refreshSchemeComboBox();
115 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
116
117 //choose a reasonable starting scheme
118 int activeScheme = settings.value( QStringLiteral( "Windows/ColorDialog/activeScheme" ), 0 ).toInt();
119 activeScheme = activeScheme >= mSchemeComboBox->count() ? 0 : activeScheme;
120
121 mSchemeList->setScheme( schemeList.at( activeScheme ) );
122
123 mSchemeComboBox->setCurrentIndex( activeScheme );
124 updateActionsForCurrentScheme();
125
126 //listen out for selection changes in list, so we can enable/disable the copy colors option
127 connect( mSchemeList->selectionModel(), &QItemSelectionModel::selectionChanged, this, &QgsCompoundColorWidget::listSelectionChanged );
128 //copy action defaults to disabled
129 mActionCopyColors->setEnabled( false );
130
131 connect( mActionCopyColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::copyColors );
132 connect( mActionPasteColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::pasteColors );
133 connect( mActionExportColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::showExportColorsDialog );
134 connect( mActionImportColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::showImportColorsDialog );
135 connect( mActionImportPalette, &QAction::triggered, this, &QgsCompoundColorWidget::importPalette );
136 connect( mActionRemovePalette, &QAction::triggered, this, &QgsCompoundColorWidget::removePalette );
137 connect( mActionNewPalette, &QAction::triggered, this, &QgsCompoundColorWidget::newPalette );
138 connect( mRemoveColorsFromSchemeButton, &QAbstractButton::clicked, mSchemeList, &QgsColorSchemeList::removeSelection );
139
140 QMenu *schemeMenu = new QMenu( mSchemeToolButton );
141 schemeMenu->addAction( mActionCopyColors );
142 schemeMenu->addAction( mActionPasteColors );
143 schemeMenu->addSeparator();
144 schemeMenu->addAction( mActionImportColors );
145 schemeMenu->addAction( mActionExportColors );
146 schemeMenu->addSeparator();
147 schemeMenu->addAction( mActionNewPalette );
148 schemeMenu->addAction( mActionImportPalette );
149 schemeMenu->addAction( mActionRemovePalette );
150 schemeMenu->addAction( mActionShowInButtons );
151 mSchemeToolButton->setMenu( schemeMenu );
152
153 connect( mSchemeComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCompoundColorWidget::schemeIndexChanged );
154 connect( mSchemeList, &QgsColorSchemeList::colorSelected, this, &QgsCompoundColorWidget::_setColor );
155
156 mOldColorLabel->hide();
157
158 mVerticalRamp->setOrientation( QgsColorRampWidget::Vertical );
159 mVerticalRamp->setInteriorMargin( 2 );
160 mVerticalRamp->setShowFrame( true );
161
162 mRedSlider->setComponent( QgsColorWidget::Red );
163 mGreenSlider->setComponent( QgsColorWidget::Green );
164 mBlueSlider->setComponent( QgsColorWidget::Blue );
165 mHueSlider->setComponent( QgsColorWidget::Hue );
166 mSaturationSlider->setComponent( QgsColorWidget::Saturation );
167 mValueSlider->setComponent( QgsColorWidget::Value );
168 mAlphaSlider->setComponent( QgsColorWidget::Alpha );
169 mCyanSlider->setComponent( QgsColorWidget::Cyan );
170 mMagentaSlider->setComponent( QgsColorWidget::Magenta );
171 mYellowSlider->setComponent( QgsColorWidget::Yellow );
172 mBlackSlider->setComponent( QgsColorWidget::Black );
173
174 mSwatchButton1->setShowMenu( false );
175 mSwatchButton1->setBehavior( QgsColorButton::SignalOnly );
176 mSwatchButton2->setShowMenu( false );
177 mSwatchButton2->setBehavior( QgsColorButton::SignalOnly );
178 mSwatchButton3->setShowMenu( false );
179 mSwatchButton3->setBehavior( QgsColorButton::SignalOnly );
180 mSwatchButton4->setShowMenu( false );
181 mSwatchButton4->setBehavior( QgsColorButton::SignalOnly );
182 mSwatchButton5->setShowMenu( false );
183 mSwatchButton5->setBehavior( QgsColorButton::SignalOnly );
184 mSwatchButton6->setShowMenu( false );
185 mSwatchButton6->setBehavior( QgsColorButton::SignalOnly );
186 mSwatchButton7->setShowMenu( false );
187 mSwatchButton7->setBehavior( QgsColorButton::SignalOnly );
188 mSwatchButton8->setShowMenu( false );
189 mSwatchButton8->setBehavior( QgsColorButton::SignalOnly );
190 mSwatchButton9->setShowMenu( false );
191 mSwatchButton9->setBehavior( QgsColorButton::SignalOnly );
192 mSwatchButton10->setShowMenu( false );
193 mSwatchButton10->setBehavior( QgsColorButton::SignalOnly );
194 mSwatchButton11->setShowMenu( false );
195 mSwatchButton11->setBehavior( QgsColorButton::SignalOnly );
196 mSwatchButton12->setShowMenu( false );
197 mSwatchButton12->setBehavior( QgsColorButton::SignalOnly );
198 mSwatchButton13->setShowMenu( false );
199 mSwatchButton13->setBehavior( QgsColorButton::SignalOnly );
200 mSwatchButton14->setShowMenu( false );
201 mSwatchButton14->setBehavior( QgsColorButton::SignalOnly );
202 mSwatchButton15->setShowMenu( false );
203 mSwatchButton15->setBehavior( QgsColorButton::SignalOnly );
204 mSwatchButton16->setShowMenu( false );
205 mSwatchButton16->setBehavior( QgsColorButton::SignalOnly );
206 //restore custom colors
207 mSwatchButton1->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor1" ), QVariant( QColor() ) ).value<QColor>() );
208 mSwatchButton2->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor2" ), QVariant( QColor() ) ).value<QColor>() );
209 mSwatchButton3->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor3" ), QVariant( QColor() ) ).value<QColor>() );
210 mSwatchButton4->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor4" ), QVariant( QColor() ) ).value<QColor>() );
211 mSwatchButton5->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor5" ), QVariant( QColor() ) ).value<QColor>() );
212 mSwatchButton6->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor6" ), QVariant( QColor() ) ).value<QColor>() );
213 mSwatchButton7->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor7" ), QVariant( QColor() ) ).value<QColor>() );
214 mSwatchButton8->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor8" ), QVariant( QColor() ) ).value<QColor>() );
215 mSwatchButton9->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor9" ), QVariant( QColor() ) ).value<QColor>() );
216 mSwatchButton10->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor10" ), QVariant( QColor() ) ).value<QColor>() );
217 mSwatchButton11->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor11" ), QVariant( QColor() ) ).value<QColor>() );
218 mSwatchButton12->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor12" ), QVariant( QColor() ) ).value<QColor>() );
219 mSwatchButton13->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor13" ), QVariant( QColor() ) ).value<QColor>() );
220 mSwatchButton14->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor14" ), QVariant( QColor() ) ).value<QColor>() );
221 mSwatchButton15->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor15" ), QVariant( QColor() ) ).value<QColor>() );
222 mSwatchButton16->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor16" ), QVariant( QColor() ) ).value<QColor>() );
223
224 //restore sample radius
225 mSpinBoxRadius->setValue( settings.value( QStringLiteral( "Windows/ColorDialog/sampleRadius" ), 1 ).toInt() );
226 mSamplePreview->setColor( QColor() );
227
228 // hidpi friendly sizes
229 const int swatchWidth = static_cast< int >( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.9 * mSwatchButton1->fontMetrics().height(), 38.0 ) ) );
230 const int swatchHeight = static_cast< int >( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.5 * mSwatchButton1->fontMetrics().height(), 30.0 ) ) );
231 mSwatchButton1->setMinimumSize( swatchWidth, swatchHeight );
232 mSwatchButton1->setMaximumSize( swatchWidth, swatchHeight );
233 mSwatchButton2->setMinimumSize( swatchWidth, swatchHeight );
234 mSwatchButton2->setMaximumSize( swatchWidth, swatchHeight );
235 mSwatchButton3->setMinimumSize( swatchWidth, swatchHeight );
236 mSwatchButton3->setMaximumSize( swatchWidth, swatchHeight );
237 mSwatchButton4->setMinimumSize( swatchWidth, swatchHeight );
238 mSwatchButton4->setMaximumSize( swatchWidth, swatchHeight );
239 mSwatchButton5->setMinimumSize( swatchWidth, swatchHeight );
240 mSwatchButton5->setMaximumSize( swatchWidth, swatchHeight );
241 mSwatchButton6->setMinimumSize( swatchWidth, swatchHeight );
242 mSwatchButton6->setMaximumSize( swatchWidth, swatchHeight );
243 mSwatchButton7->setMinimumSize( swatchWidth, swatchHeight );
244 mSwatchButton7->setMaximumSize( swatchWidth, swatchHeight );
245 mSwatchButton8->setMinimumSize( swatchWidth, swatchHeight );
246 mSwatchButton8->setMaximumSize( swatchWidth, swatchHeight );
247 mSwatchButton9->setMinimumSize( swatchWidth, swatchHeight );
248 mSwatchButton9->setMaximumSize( swatchWidth, swatchHeight );
249 mSwatchButton10->setMinimumSize( swatchWidth, swatchHeight );
250 mSwatchButton10->setMaximumSize( swatchWidth, swatchHeight );
251 mSwatchButton11->setMinimumSize( swatchWidth, swatchHeight );
252 mSwatchButton11->setMaximumSize( swatchWidth, swatchHeight );
253 mSwatchButton12->setMinimumSize( swatchWidth, swatchHeight );
254 mSwatchButton12->setMaximumSize( swatchWidth, swatchHeight );
255 mSwatchButton13->setMinimumSize( swatchWidth, swatchHeight );
256 mSwatchButton13->setMaximumSize( swatchWidth, swatchHeight );
257 mSwatchButton14->setMinimumSize( swatchWidth, swatchHeight );
258 mSwatchButton14->setMaximumSize( swatchWidth, swatchHeight );
259 mSwatchButton15->setMinimumSize( swatchWidth, swatchHeight );
260 mSwatchButton15->setMaximumSize( swatchWidth, swatchHeight );
261 mSwatchButton16->setMinimumSize( swatchWidth, swatchHeight );
262 mSwatchButton16->setMaximumSize( swatchWidth, swatchHeight );
263 const int previewHeight = static_cast< int >( std::round( std::max( Qgis::UI_SCALE_FACTOR * 2.0 * mSwatchButton1->fontMetrics().height(), 40.0 ) ) );
264 mColorPreview->setMinimumSize( 0, previewHeight );
265 mPreviewWidget->setMaximumHeight( previewHeight * 2 );
266 const int swatchAddSize = static_cast< int >( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.4 * mSwatchButton1->fontMetrics().height(), 28.0 ) ) );
267 mAddCustomColorButton->setMinimumWidth( swatchAddSize );
268 mAddCustomColorButton->setMaximumWidth( swatchAddSize );
269
270 const int iconSize = QgsGuiUtils::scaleIconSize( 16 );
271 mTabWidget->setIconSize( QSize( iconSize, iconSize ) );
272
273 setColor( color );
274
275 // restore active Rgb/Cmyk component radio button
276 const int activeRgbRadio = settings.value( QStringLiteral( "Windows/ColorDialog/activeComponent" ), 2 ).toInt();
277 if ( QAbstractButton *rgbRadio = mRgbGroup->button( activeRgbRadio ) )
278 rgbRadio->setChecked( true );
279
280 const int activeCmykRadio = settings.value( QStringLiteral( "Windows/ColorDialog/activeCmykComponent" ), 0 ).toInt();
281 if ( QAbstractButton *cmykRadio = mCmykGroup->button( activeCmykRadio ) )
282 cmykRadio->setChecked( true );
283
284 const int currentTab = settings.value( QStringLiteral( "Windows/ColorDialog/activeTab" ), 0 ).toInt();
285 mTabWidget->setCurrentIndex( currentTab );
286
287 //setup connections
288 connect( mColorBox, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
289 connect( mColorWheel, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
290 connect( mColorText, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
291 connect( mVerticalRamp, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
292 connect( mRedSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
293 connect( mGreenSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
294 connect( mBlueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
295 connect( mHueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
296 connect( mValueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
297 connect( mCyanSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
298 connect( mMagentaSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
299 connect( mYellowSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
300 connect( mBlackSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
301 connect( mSaturationSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
302 connect( mAlphaSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
303 connect( mColorPreview, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
304 connect( mSwatchButton1, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
305 connect( mSwatchButton2, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
306 connect( mSwatchButton3, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
307 connect( mSwatchButton4, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
308 connect( mSwatchButton5, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
309 connect( mSwatchButton6, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
310 connect( mSwatchButton7, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
311 connect( mSwatchButton8, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
312 connect( mSwatchButton9, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
313 connect( mSwatchButton10, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
314 connect( mSwatchButton11, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
315 connect( mSwatchButton12, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
316 connect( mSwatchButton13, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
317 connect( mSwatchButton14, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
318 connect( mSwatchButton15, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
319 connect( mSwatchButton16, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
320}
321
329
330QColor QgsCompoundColorWidget::color() const
331{
332 //all widgets should have the same color, so it shouldn't matter
333 //which we fetch it from
334 return mColorPreview->color();
335}
336
337void QgsCompoundColorWidget::setAllowOpacity( const bool allowOpacity )
338{
339 mAllowAlpha = allowOpacity;
340 mAlphaLabel->setVisible( allowOpacity );
341 mAlphaSlider->setVisible( allowOpacity );
342 mColorText->setAllowOpacity( allowOpacity );
343 if ( !allowOpacity )
344 {
345 mAlphaLayout->setContentsMargins( 0, 0, 0, 0 );
346 mAlphaLayout->setSpacing( 0 );
347 }
348}
349
350void QgsCompoundColorWidget::setColorModelEditable( bool colorModelEditable )
351{
352 mColorModel->setVisible( colorModelEditable );
353}
354
355void QgsCompoundColorWidget::refreshSchemeComboBox()
356{
357 mSchemeComboBox->blockSignals( true );
358 mSchemeComboBox->clear();
359 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
360 QList<QgsColorScheme *>::const_iterator schemeIt = schemeList.constBegin();
361 for ( ; schemeIt != schemeList.constEnd(); ++schemeIt )
362 {
363 mSchemeComboBox->addItem( ( *schemeIt )->schemeName() );
364 }
365 mSchemeComboBox->blockSignals( false );
366}
367
368
369QgsUserColorScheme *QgsCompoundColorWidget::importUserPaletteFromFile( QWidget *parent )
370{
371 QgsSettings s;
372 const QString lastDir = s.value( QStringLiteral( "/UI/lastGplPaletteDir" ), QDir::homePath() ).toString();
373 const QString filePath = QFileDialog::getOpenFileName( parent, tr( "Select Palette File" ), lastDir, QStringLiteral( "GPL (*.gpl);;All files (*.*)" ) );
374 if ( parent )
375 parent->activateWindow();
376 if ( filePath.isEmpty() )
377 {
378 return nullptr;
379 }
380
381 //check if file exists
382 const QFileInfo fileInfo( filePath );
383 if ( !fileInfo.exists() || !fileInfo.isReadable() )
384 {
385 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "Error, file does not exist or is not readable." ) );
386 return nullptr;
387 }
388
389 s.setValue( QStringLiteral( "/UI/lastGplPaletteDir" ), fileInfo.absolutePath() );
390 QFile file( filePath );
391
392 QgsNamedColorList importedColors;
393 bool ok = false;
394 QString paletteName;
395 importedColors = QgsSymbolLayerUtils::importColorsFromGpl( file, ok, paletteName );
396 if ( !ok )
397 {
398 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "Palette file is not readable." ) );
399 return nullptr;
400 }
401
402 if ( importedColors.length() == 0 )
403 {
404 //no imported colors
405 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "No colors found in palette file." ) );
406 return nullptr;
407 }
408
409 //TODO - handle conflicting file names, name for new palette
410 QgsUserColorScheme *importedScheme = new QgsUserColorScheme( fileInfo.fileName() );
411 importedScheme->setName( paletteName );
412 importedScheme->setColors( importedColors );
413
414 QgsApplication::colorSchemeRegistry()->addColorScheme( importedScheme );
415 return importedScheme;
416}
417
418void QgsCompoundColorWidget::importPalette()
419{
420 if ( importUserPaletteFromFile( this ) )
421 {
422 //refresh combobox
423 refreshSchemeComboBox();
424 mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
425 }
426}
427
428
429bool QgsCompoundColorWidget::removeUserPalette( QgsUserColorScheme *scheme, QWidget *parent )
430{
431 if ( QMessageBox::question( parent, tr( "Remove Color Palette" ),
432 tr( "Are you sure you want to remove %1?" ).arg( scheme->schemeName() ),
433 QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) != QMessageBox::Yes )
434 {
435 //user canceled
436 return false;
437 }
438
439 //remove palette and associated gpl file
440 if ( !scheme->erase() )
441 {
442 //something went wrong
443 return false;
444 }
445
446 //remove scheme from registry
447 QgsApplication::colorSchemeRegistry()->removeColorScheme( scheme );
448 return true;
449}
450
451void QgsCompoundColorWidget::removePalette()
452{
453 //get current scheme
454 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
455 int prevIndex = mSchemeComboBox->currentIndex();
456 if ( prevIndex >= schemeList.length() )
457 {
458 return;
459 }
460
461 //make user scheme is a user removable scheme
462 QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( schemeList.at( prevIndex ) );
463 if ( !userScheme )
464 {
465 return;
466 }
467
468 if ( removeUserPalette( userScheme, this ) )
469 {
470 refreshSchemeComboBox();
471 prevIndex = std::max( std::min( prevIndex, mSchemeComboBox->count() - 1 ), 0 );
472 mSchemeComboBox->setCurrentIndex( prevIndex );
473 }
474}
475
476QgsUserColorScheme *QgsCompoundColorWidget::createNewUserPalette( QWidget *parent )
477{
478 bool ok = false;
479 const QString name = QInputDialog::getText( parent, tr( "Create New Palette" ), tr( "Enter a name for the new palette:" ),
480 QLineEdit::Normal, tr( "New palette" ), &ok );
481
482 if ( !ok || name.isEmpty() )
483 {
484 //user canceled
485 return nullptr;
486 }
487
488 //generate file name for new palette
489 const QDir palettePath( gplFilePath() );
490 const thread_local QRegularExpression badChars( "[,^@={}\\[\\]~!?:&*\"|#%<>$\"'();`' /\\\\]" );
491 QString filename = name.simplified().toLower().replace( badChars, QStringLiteral( "_" ) );
492 if ( filename.isEmpty() )
493 {
494 filename = tr( "new_palette" );
495 }
496 QFileInfo destFileInfo( palettePath.filePath( filename + ".gpl" ) );
497 int fileNumber = 1;
498 while ( destFileInfo.exists() )
499 {
500 //try to generate a unique file name
501 destFileInfo = QFileInfo( palettePath.filePath( filename + QStringLiteral( "%1.gpl" ).arg( fileNumber ) ) );
502 fileNumber++;
503 }
504
505 QgsUserColorScheme *newScheme = new QgsUserColorScheme( destFileInfo.fileName() );
506 newScheme->setName( name );
507
508 QgsApplication::colorSchemeRegistry()->addColorScheme( newScheme );
509 return newScheme;
510}
511
512void QgsCompoundColorWidget::newPalette()
513{
514 if ( createNewUserPalette( this ) )
515 {
516 //refresh combobox and set new scheme as active
517 refreshSchemeComboBox();
518 mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
519 }
520}
521
522QString QgsCompoundColorWidget::gplFilePath()
523{
524 QString palettesDir = QgsApplication::qgisSettingsDirPath() + "palettes";
525
526 const QDir localDir;
527 if ( !localDir.mkpath( palettesDir ) )
528 {
529 return QString();
530 }
531
532 return palettesDir;
533}
534
535void QgsCompoundColorWidget::schemeIndexChanged( int index )
536{
537 //save changes to scheme
538 if ( mSchemeList->isDirty() )
539 {
540 mSchemeList->saveColorsToScheme();
541 }
542
543 //get schemes with ShowInColorDialog set
544 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
545 if ( index >= schemeList.length() )
546 {
547 return;
548 }
549
550 QgsColorScheme *scheme = schemeList.at( index );
551 mSchemeList->setScheme( scheme );
552
553 updateActionsForCurrentScheme();
554
555 //copy action defaults to disabled
556 mActionCopyColors->setEnabled( false );
557}
558
559void QgsCompoundColorWidget::listSelectionChanged( const QItemSelection &selected, const QItemSelection &deselected )
560{
561 Q_UNUSED( deselected )
562 mActionCopyColors->setEnabled( selected.length() > 0 );
563}
564
565void QgsCompoundColorWidget::mAddCustomColorButton_clicked()
566{
567 switch ( mLastCustomColorIndex )
568 {
569 case 0:
570 mSwatchButton1->setColor( mColorPreview->color() );
571 break;
572 case 1:
573 mSwatchButton2->setColor( mColorPreview->color() );
574 break;
575 case 2:
576 mSwatchButton3->setColor( mColorPreview->color() );
577 break;
578 case 3:
579 mSwatchButton4->setColor( mColorPreview->color() );
580 break;
581 case 4:
582 mSwatchButton5->setColor( mColorPreview->color() );
583 break;
584 case 5:
585 mSwatchButton6->setColor( mColorPreview->color() );
586 break;
587 case 6:
588 mSwatchButton7->setColor( mColorPreview->color() );
589 break;
590 case 7:
591 mSwatchButton8->setColor( mColorPreview->color() );
592 break;
593 case 8:
594 mSwatchButton9->setColor( mColorPreview->color() );
595 break;
596 case 9:
597 mSwatchButton10->setColor( mColorPreview->color() );
598 break;
599 case 10:
600 mSwatchButton11->setColor( mColorPreview->color() );
601 break;
602 case 11:
603 mSwatchButton12->setColor( mColorPreview->color() );
604 break;
605 case 12:
606 mSwatchButton13->setColor( mColorPreview->color() );
607 break;
608 case 13:
609 mSwatchButton14->setColor( mColorPreview->color() );
610 break;
611 case 14:
612 mSwatchButton15->setColor( mColorPreview->color() );
613 break;
614 case 15:
615 mSwatchButton16->setColor( mColorPreview->color() );
616 break;
617 }
618 mLastCustomColorIndex++;
619 if ( mLastCustomColorIndex >= 16 )
620 {
621 mLastCustomColorIndex = 0;
622 }
623}
624
625void QgsCompoundColorWidget::mSampleButton_clicked()
626{
627 //activate picker color
628 setCursor( QgsApplication::getThemeCursor( QgsApplication::Cursor::Sampler ) );
629 grabMouse();
630 grabKeyboard();
631 mPickingColor = true;
632 setMouseTracking( true );
633}
634
635void QgsCompoundColorWidget::mTabWidget_currentChanged( int index )
636{
637 //disable radio buttons if not using the first tab, as they have no meaning for other tabs
638 const bool enabled = index == 0;
639 const QList<QRadioButton *> colorRadios{ mHueRadio, mSaturationRadio, mValueRadio, mRedRadio, mGreenRadio, mBlueRadio, mCyanRadio, mMagentaRadio, mYellowRadio, mBlackRadio };
640 for ( QRadioButton *colorRadio : colorRadios )
641 colorRadio->setEnabled( enabled );
642}
643
644void QgsCompoundColorWidget::mActionShowInButtons_toggled( bool state )
645{
646 QgsUserColorScheme *scheme = dynamic_cast< QgsUserColorScheme * >( mSchemeList->scheme() );
647 if ( scheme )
648 {
649 scheme->setShowSchemeInMenu( state );
650 }
651}
652
653QScreen *QgsCompoundColorWidget::findScreenAt( QPoint pos )
654{
655 const QList< QScreen * > screens = QGuiApplication::screens();
656 for ( QScreen *screen : screens )
657 {
658 if ( screen->geometry().contains( pos ) )
659 {
660 return screen;
661 }
662 }
663 return nullptr;
664}
665
666void QgsCompoundColorWidget::saveSettings()
667{
668 //save changes to scheme
669 if ( mSchemeList->isDirty() )
670 {
671 mSchemeList->saveColorsToScheme();
672 }
673
674 QgsSettings settings;
675
676 // record active component
677 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeComponent" ), mRgbGroup->checkedId() );
678 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeCmykComponent" ), mCmykGroup->checkedId() );
679
680 //record current scheme
681 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeScheme" ), mSchemeComboBox->currentIndex() );
682
683 //record current tab
684 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeTab" ), mTabWidget->currentIndex() );
685
686 //record custom colors
687 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor1" ), QVariant( mSwatchButton1->color() ) );
688 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor2" ), QVariant( mSwatchButton2->color() ) );
689 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor3" ), QVariant( mSwatchButton3->color() ) );
690 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor4" ), QVariant( mSwatchButton4->color() ) );
691 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor5" ), QVariant( mSwatchButton5->color() ) );
692 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor6" ), QVariant( mSwatchButton6->color() ) );
693 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor7" ), QVariant( mSwatchButton7->color() ) );
694 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor8" ), QVariant( mSwatchButton8->color() ) );
695 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor9" ), QVariant( mSwatchButton9->color() ) );
696 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor10" ), QVariant( mSwatchButton10->color() ) );
697 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor11" ), QVariant( mSwatchButton11->color() ) );
698 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor12" ), QVariant( mSwatchButton12->color() ) );
699 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor13" ), QVariant( mSwatchButton13->color() ) );
700 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor14" ), QVariant( mSwatchButton14->color() ) );
701 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor15" ), QVariant( mSwatchButton15->color() ) );
702 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor16" ), QVariant( mSwatchButton16->color() ) );
703
704 //sample radius
705 settings.setValue( QStringLiteral( "Windows/ColorDialog/sampleRadius" ), mSpinBoxRadius->value() );
706}
707
708void QgsCompoundColorWidget::stopPicking( QPoint eventPos, const bool takeSample )
709{
710 //release mouse and keyboard, and reset cursor
711 releaseMouse();
712 releaseKeyboard();
713 unsetCursor();
714 setMouseTracking( false );
715 mPickingColor = false;
716
717 if ( !takeSample )
718 {
719 //not sampling color, nothing more to do
720 return;
721 }
722
723 //grab snapshot of pixel under mouse cursor
724 const QColor snappedColor = sampleColor( eventPos );
725 mSamplePreview->setColor( snappedColor );
726 mColorPreview->setColor( snappedColor, true );
727}
728
729void QgsCompoundColorWidget::setColor( const QColor &color )
730{
731 const QColor::Spec colorSpec = color.spec() == QColor::Cmyk ? QColor::Cmyk : QColor::Rgb;
732 mColorModel->setCurrentIndex( mColorModel->findData( colorSpec ) );
733 mRGB->setVisible( colorSpec != QColor::Cmyk );
734 mCMYK->setVisible( colorSpec == QColor::Cmyk );
735 _setColor( color );
736}
737
738void QgsCompoundColorWidget::_setColor( const QColor &color )
739{
740 if ( !color.isValid() )
741 {
742 return;
743 }
744
745 QColor fixedColor = QColor( color );
746 if ( !mAllowAlpha )
747 {
748 //opacity disallowed, so don't permit transparent colors
749 fixedColor.setAlpha( 255 );
750 }
751
752 if ( mColorModel->currentIndex() && fixedColor.spec() != QColor::Cmyk )
753 {
754 fixedColor = fixedColor.toCmyk();
755 }
756
757 const QList<QgsColorWidget *> colorWidgets = this->findChildren<QgsColorWidget *>();
758 const auto constColorWidgets = colorWidgets;
759 for ( QgsColorWidget *widget : constColorWidgets )
760 {
761 if ( widget == mSamplePreview )
762 {
763 continue;
764 }
765 widget->blockSignals( true );
766 widget->setColor( fixedColor );
767 widget->blockSignals( false );
768 }
769
770
771 emit currentColorChanged( fixedColor );
772}
773
774void QgsCompoundColorWidget::setPreviousColor( const QColor &color )
775{
776 mOldColorLabel->setVisible( color.isValid() );
777 mColorPreview->setColor2( color );
778}
779
780void QgsCompoundColorWidget::hideEvent( QHideEvent *e )
781{
782 saveSettings();
783 QWidget::hideEvent( e );
784}
785
786void QgsCompoundColorWidget::mousePressEvent( QMouseEvent *e )
787{
788 if ( mPickingColor )
789 {
790 //don't show dialog if in color picker mode
791 e->accept();
792 return;
793 }
794
795 QWidget::mousePressEvent( e );
796}
797
798QColor QgsCompoundColorWidget::averageColor( const QImage &image ) const
799{
800 QRgb tmpRgb;
801 int colorCount = 0;
802 int sumRed = 0;
803 int sumBlue = 0;
804 int sumGreen = 0;
805 //scan through image and sum rgb components
806 for ( int heightIndex = 0; heightIndex < image.height(); ++heightIndex )
807 {
808 const QRgb *scanLine = reinterpret_cast< const QRgb * >( image.constScanLine( heightIndex ) );
809 for ( int widthIndex = 0; widthIndex < image.width(); ++widthIndex )
810 {
811 tmpRgb = scanLine[widthIndex];
812 sumRed += qRed( tmpRgb );
813 sumBlue += qBlue( tmpRgb );
814 sumGreen += qGreen( tmpRgb );
815 colorCount++;
816 }
817 }
818 //calculate average components as floats
819 const double avgRed = static_cast<double>( sumRed ) / ( 255.0 * colorCount );
820 const double avgGreen = static_cast<double>( sumGreen ) / ( 255.0 * colorCount );
821 const double avgBlue = static_cast<double>( sumBlue ) / ( 255.0 * colorCount );
822
823 //create a new color representing the average
824 return QColor::fromRgbF( avgRed, avgGreen, avgBlue );
825}
826
827QColor QgsCompoundColorWidget::sampleColor( QPoint point ) const
828{
829 const int sampleRadius = mSpinBoxRadius->value() - 1;
830 QScreen *screen = findScreenAt( point );
831 if ( ! screen )
832 {
833 return QColor();
834 }
835
836 const int x = point.x() - screen->geometry().left();
837 const int y = point.y() - screen->geometry().top();
838 const QPixmap snappedPixmap = screen->grabWindow( 0,
839 x - sampleRadius,
840 y - sampleRadius,
841 1 + sampleRadius * 2,
842 1 + sampleRadius * 2 );
843 const QImage snappedImage = snappedPixmap.toImage();
844 //scan all pixels and take average color
845 return averageColor( snappedImage );
846}
847
848void QgsCompoundColorWidget::mouseMoveEvent( QMouseEvent *e )
849{
850 if ( mPickingColor )
851 {
852 //currently in color picker mode
853 //sample color under cursor update preview widget to give feedback to user
854 const QColor hoverColor = sampleColor( e->globalPos() );
855 mSamplePreview->setColor( hoverColor );
856
857 e->accept();
858 return;
859 }
860
861 QWidget::mouseMoveEvent( e );
862}
863
864void QgsCompoundColorWidget::mouseReleaseEvent( QMouseEvent *e )
865{
866 if ( mPickingColor )
867 {
868 //end color picking operation by sampling the color under cursor
869 stopPicking( e->globalPos() );
870 e->accept();
871 return;
872 }
873
874 QWidget::mouseReleaseEvent( e );
875}
876
877void QgsCompoundColorWidget::keyPressEvent( QKeyEvent *e )
878{
879 if ( !mPickingColor )
880 {
881 //if not picking a color, use default tool button behavior
882 QgsPanelWidget::keyPressEvent( e );
883 return;
884 }
885
886 //cancel picking, sampling the color if space was pressed
887 stopPicking( QCursor::pos(), e->key() == Qt::Key_Space );
888}
889
890
891void QgsCompoundColorWidget::updateComponent()
892{
893 const bool isCmyk = mColorModel->currentData().toInt() == QColor::Spec::Cmyk;
894 const auto radios = isCmyk ? mCmykRadios : mRgbRadios;
895 const QButtonGroup *group = isCmyk ? mCmykGroup : mRgbGroup;
896
897 const int id = group->checkedId();
898 if ( id >= 0 && id < radios.count() )
899 {
900 const QgsColorWidget::ColorComponent component = radios.at( group->checkedId() ).second;
901 mColorBox->setComponent( component );
902 mVerticalRamp->setComponent( component );
903 }
904}
905
906void QgsCompoundColorWidget::onColorButtonGroupToggled( int, bool checked )
907{
908 if ( checked )
909 updateComponent();
910}
911
912void QgsCompoundColorWidget::mAddColorToSchemeButton_clicked()
913{
914 mSchemeList->addColor( mColorPreview->color(), QgsSymbolLayerUtils::colorToName( mColorPreview->color() ) );
915}
916
917void QgsCompoundColorWidget::updateActionsForCurrentScheme()
918{
919 QgsColorScheme *scheme = mSchemeList->scheme();
920
921 mActionImportColors->setEnabled( scheme->isEditable() );
922 mActionPasteColors->setEnabled( scheme->isEditable() );
923 mAddColorToSchemeButton->setEnabled( scheme->isEditable() );
924 mRemoveColorsFromSchemeButton->setEnabled( scheme->isEditable() );
925
926 QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( scheme );
927 mActionRemovePalette->setEnabled( static_cast< bool >( userScheme ) );
928 if ( userScheme )
929 {
930 mActionShowInButtons->setEnabled( true );
931 whileBlocking( mActionShowInButtons )->setChecked( userScheme->flags() & QgsColorScheme::ShowInColorButtonMenu );
932 }
933 else
934 {
935 whileBlocking( mActionShowInButtons )->setChecked( false );
936 mActionShowInButtons->setEnabled( false );
937 }
938}
Qgis::UI_SCALE_FACTOR
static const double UI_SCALE_FACTOR
UI scaling factor.
Definition qgis.h:5667
QgsApplication::getThemeCursor
static QCursor getThemeCursor(Cursor cursor)
Helper to get a theme cursor.
Definition qgsapplication.cpp:870
QgsApplication::colorSchemeRegistry
static QgsColorSchemeRegistry * colorSchemeRegistry()
Returns the application's color scheme registry, used for managing color schemes.
Definition qgsapplication.cpp:2455
QgsApplication::qgisSettingsDirPath
static QString qgisSettingsDirPath()
Returns the path to the settings directory in user's home dir.
Definition qgsapplication.cpp:1207
QgsApplication::Sampler
@ Sampler
Color/Value picker.
Definition qgsapplication.h:422
QgsColorButton::SignalOnly
@ SignalOnly
Emit colorClicked signal only, no dialog.
Definition qgscolorbutton.h:66
QgsColorButton::colorClicked
void colorClicked(const QColor &color)
Emitted when the button is clicked, if the button's behavior is set to SignalOnly.
QgsColorRampWidget::Vertical
@ Vertical
Vertical ramp.
Definition qgscolorwidgets.h:579
QgsColorSchemeList::pasteColors
void pasteColors()
Pastes colors from clipboard to the list.
Definition qgscolorschemelist.cpp:101
QgsColorSchemeList::removeSelection
void removeSelection()
Removes any selected colors from the list.
Definition qgscolorschemelist.cpp:76
QgsColorSchemeList::copyColors
void copyColors()
Copies colors from the list to the clipboard.
Definition qgscolorschemelist.cpp:119
QgsColorSchemeList::showExportColorsDialog
void showExportColorsDialog()
Displays a file picker dialog allowing users to export colors from the list into a file.
Definition qgscolorschemelist.cpp:171
QgsColorSchemeList::colorSelected
void colorSelected(const QColor &color)
Emitted when a color is selected from the list.
QgsColorSchemeList::showImportColorsDialog
void showImportColorsDialog()
Displays a file picker dialog allowing users to import colors into the list from a file.
Definition qgscolorschemelist.cpp:142
QgsColorSchemeRegistry::addColorScheme
void addColorScheme(QgsColorScheme *scheme)
Adds a color scheme to the registry.
Definition qgscolorschemeregistry.cpp:83
QgsColorSchemeRegistry::schemes
QList< QgsColorScheme * > schemes() const
Returns all color schemes in the registry.
Definition qgscolorschemeregistry.cpp:88
QgsColorSchemeRegistry::removeColorScheme
bool removeColorScheme(QgsColorScheme *scheme)
Removes all matching color schemes from the registry.
Definition qgscolorschemeregistry.cpp:169
QgsColorScheme
Abstract base class for color schemes.
Definition qgscolorscheme.h:45
QgsColorScheme::ShowInColorButtonMenu
@ ShowInColorButtonMenu
Show scheme in color button drop-down menu.
Definition qgscolorscheme.h:72
QgsColorScheme::ShowInColorDialog
@ ShowInColorDialog
Show scheme in color picker dialog.
Definition qgscolorscheme.h:71
QgsColorScheme::isEditable
virtual bool isEditable() const
Returns whether the color scheme is editable.
Definition qgscolorscheme.h:112
QgsColorWidget
A base class for interactive color widgets.
Definition qgscolorwidgets.h:39
QgsColorWidget::colorChanged
void colorChanged(const QColor &color)
Emitted when the widget's color changes.
QgsColorWidget::ColorComponent
ColorComponent
Specifies the color component which the widget alters.
Definition qgscolorwidgets.h:48
QgsColorWidget::Hue
@ Hue
Hue component of color (based on HSV model)
Definition qgscolorwidgets.h:53
QgsColorWidget::Alpha
@ Alpha
Alpha component (opacity) of color.
Definition qgscolorwidgets.h:56
QgsColorWidget::Green
@ Green
Green component of color.
Definition qgscolorwidgets.h:51
QgsColorWidget::Red
@ Red
Red component of color.
Definition qgscolorwidgets.h:50
QgsColorWidget::Saturation
@ Saturation
Saturation component of color (based on HSV model)
Definition qgscolorwidgets.h:54
QgsColorWidget::Magenta
@ Magenta
Magenta component (based on CMYK model) of color.
Definition qgscolorwidgets.h:58
QgsColorWidget::Yellow
@ Yellow
Yellow component (based on CMYK model) of color.
Definition qgscolorwidgets.h:59
QgsColorWidget::Black
@ Black
Black component (based on CMYK model) of color.
Definition qgscolorwidgets.h:60
QgsColorWidget::Cyan
@ Cyan
Cyan component (based on CMYK model) of color.
Definition qgscolorwidgets.h:57
QgsColorWidget::Blue
@ Blue
Blue component of color.
Definition qgscolorwidgets.h:52
QgsColorWidget::Value
@ Value
Value component of color (based on HSV model)
Definition qgscolorwidgets.h:55
QgsCompoundColorWidget::LayoutVertical
@ LayoutVertical
Use a narrower, vertically stacked layout.
Definition qgscompoundcolorwidget.h:45
QgsCompoundColorWidget::currentColorChanged
void currentColorChanged(const QColor &color)
Emitted when the dialog's color changes.
QgsCompoundColorWidget::hideEvent
void hideEvent(QHideEvent *e) override
Definition qgscompoundcolorwidget.cpp:780
QgsCompoundColorWidget::QgsCompoundColorWidget
QgsCompoundColorWidget(QWidget *parent=nullptr, const QColor &color=QColor(), Layout layout=LayoutDefault)
Constructor for QgsCompoundColorWidget.
Definition qgscompoundcolorwidget.cpp:39
QgsCompoundColorWidget::mousePressEvent
void mousePressEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:786
QgsCompoundColorWidget::setColorModelEditable
void setColorModelEditable(bool colorModelEditable)
Sets whether color model is editable or not.
Definition qgscompoundcolorwidget.cpp:350
QgsCompoundColorWidget::importUserPaletteFromFile
static QgsUserColorScheme * importUserPaletteFromFile(QWidget *parent)
Triggers a user prompt for importing a new color scheme from an existing GPL file.
Definition qgscompoundcolorwidget.cpp:369
QgsCompoundColorWidget::setPreviousColor
void setPreviousColor(const QColor &color)
Sets the color to show in an optional "previous color" section.
Definition qgscompoundcolorwidget.cpp:774
QgsCompoundColorWidget::removeUserPalette
static bool removeUserPalette(QgsUserColorScheme *scheme, QWidget *parent)
Triggers a user prompt for removing an existing user color scheme.
Definition qgscompoundcolorwidget.cpp:429
QgsCompoundColorWidget::createNewUserPalette
static QgsUserColorScheme * createNewUserPalette(QWidget *parent)
Triggers a user prompt for creating a new user color scheme.
Definition qgscompoundcolorwidget.cpp:476
QgsCompoundColorWidget::mouseMoveEvent
void mouseMoveEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:848
QgsCompoundColorWidget::setAllowOpacity
void setAllowOpacity(bool allowOpacity)
Sets whether opacity modification (transparency) is permitted for the color dialog.
Definition qgscompoundcolorwidget.cpp:337
QgsCompoundColorWidget::setColor
void setColor(const QColor &color)
Sets the current color for the dialog.
Definition qgscompoundcolorwidget.cpp:729
QgsCompoundColorWidget::keyPressEvent
void keyPressEvent(QKeyEvent *e) override
Definition qgscompoundcolorwidget.cpp:877
QgsCompoundColorWidget::color
QColor color() const
Returns the current color for the dialog.
Definition qgscompoundcolorwidget.cpp:330
QgsCompoundColorWidget::mouseReleaseEvent
void mouseReleaseEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:864
QgsGplColorScheme::setColors
bool setColors(const QgsNamedColorList &colors, const QString &context=QString(), const QColor &baseColor=QColor()) override
Sets the colors for the scheme.
Definition qgscolorscheme.cpp:260
QgsPanelWidget
Base class for any widget that can be shown as a inline panel.
Definition qgspanelwidget.h:30
QgsPanelWidget::keyPressEvent
void keyPressEvent(QKeyEvent *event) override
Overridden key press event to handle the esc event on the widget.
Definition qgspanelwidget.cpp:118
QgsRecentColorScheme::addRecentColor
static void addRecentColor(const QColor &color)
Adds a color to the list of recent colors.
Definition qgscolorscheme.cpp:69
QgsScreenHelper
A utility class for dynamic handling of changes to screen properties.
Definition qgsscreenhelper.h:36
QgsSettings
This class is a composition of two QSettings instances:
Definition qgssettings.h:64
QgsSettings::value
QVariant value(const QString &key, const QVariant &defaultValue=QVariant(), Section section=NoSection) const
Returns the value for setting key.
Definition qgssettings.cpp:175
QgsSettings::setValue
void setValue(const QString &key, const QVariant &value, QgsSettings::Section section=QgsSettings::NoSection)
Sets the value of setting key to value.
Definition qgssettings.cpp:304
QgsSymbolLayerUtils::importColorsFromGpl
static QgsNamedColorList importColorsFromGpl(QFile &file, bool &ok, QString &name)
Imports colors from a gpl GIMP palette file.
Definition qgssymbollayerutils.cpp:3812
QgsSymbolLayerUtils::colorToName
static QString colorToName(const QColor &color)
Returns a friendly display name for a color.
Definition qgssymbollayerutils.cpp:3504
QgsUserColorScheme
A color scheme which stores its colors in a gpl palette file within the "palettes" subfolder off the ...
Definition qgscolorscheme.h:166
QgsUserColorScheme::schemeName
QString schemeName() const override
Gets the name for the color scheme.
Definition qgscolorscheme.cpp:330
QgsUserColorScheme::setName
void setName(const QString &name)
Sets the name for the scheme.
Definition qgscolorscheme.h:187
QgsUserColorScheme::flags
QgsColorScheme::SchemeFlags flags() const override
Returns the current flags for the color scheme.
Definition qgscolorscheme.cpp:340
QgsUserColorScheme::erase
bool erase()
Erases the associated gpl palette file from the users "palettes" folder.
Definition qgscolorscheme.cpp:355
QgsUserColorScheme::setShowSchemeInMenu
void setShowSchemeInMenu(bool show)
Sets whether a this scheme should be shown in color button menus.
Definition qgscolorscheme.cpp:373
QgsNamedColorList
QList< QPair< QColor, QString > > QgsNamedColorList
List of colors paired with a friendly display name identifying the color.
Definition qgscolorscheme.h:33
QgsGuiUtils::scaleIconSize
int scaleIconSize(int standardSize)
Scales an icon size to compensate for display pixel density, making the icon size hi-dpi friendly,...
Definition qgsguiutils.cpp:263
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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