QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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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 "qgscolorscheme.h"
18#include "qgscolorschemeregistry.h"
19#include "qgssymbollayerutils.h"
20#include "qgsapplication.h"
21#include "qgssettings.h"
22#include "qgsscreenhelper.h"
23#include "qgsguiutils.h"
24
25#include <QButtonGroup>
26#include <QHeaderView>
27#include <QPushButton>
28#include <QMenu>
29#include <QToolButton>
30#include <QFileDialog>
31#include <QMessageBox>
32#include <QMouseEvent>
33#include <QScreen>
34#include <QInputDialog>
35#include <QVBoxLayout>
36#include <QRegularExpression>
37
38QgsCompoundColorWidget::QgsCompoundColorWidget( QWidget *parent, const QColor &color, Layout widgetLayout )
39 : QgsPanelWidget( parent )
40{
41 setupUi( this );
42
43 mScreenHelper = new QgsScreenHelper( this );
44
45 mRgbRadios =
46 {
47 { mHueRadio, QgsColorWidget::ColorComponent::Hue },
48 { mSaturationRadio, QgsColorWidget::ColorComponent::Saturation },
49 { mValueRadio, QgsColorWidget::ColorComponent::Value },
50 { mRedRadio, QgsColorWidget::ColorComponent::Red },
51 { mGreenRadio, QgsColorWidget::ColorComponent::Green },
52 { mBlueRadio, QgsColorWidget::ColorComponent::Blue }
53 };
54
55 mCmykRadios =
56 {
57 { mCyanRadio, QgsColorWidget::ColorComponent::Cyan },
58 { mMagentaRadio, QgsColorWidget::ColorComponent::Magenta },
59 { mYellowRadio, QgsColorWidget::ColorComponent::Yellow },
60 { mBlackRadio, QgsColorWidget::ColorComponent::Black }
61 };
62
63 mRgbGroup = new QButtonGroup( this );
64 int i = 0;
65 for ( auto colorRadio : mRgbRadios )
66 mRgbGroup->addButton( colorRadio.first, i++ );
67
68 mCmykGroup = new QButtonGroup( this );
69 i = 0;
70 for ( auto colorRadio : mCmykRadios )
71 mCmykGroup->addButton( colorRadio.first, i++ );
72
73 connect( mRgbGroup, &QButtonGroup::idToggled, this, &QgsCompoundColorWidget::onColorButtonGroupToggled );
74 connect( mCmykGroup, &QButtonGroup::idToggled, this, &QgsCompoundColorWidget::onColorButtonGroupToggled );
75 connect( mAddColorToSchemeButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mAddColorToSchemeButton_clicked );
76 connect( mAddCustomColorButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mAddCustomColorButton_clicked );
77 connect( mSampleButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mSampleButton_clicked );
78 connect( mTabWidget, &QTabWidget::currentChanged, this, &QgsCompoundColorWidget::mTabWidget_currentChanged );
79 connect( mActionShowInButtons, &QAction::toggled, this, &QgsCompoundColorWidget::mActionShowInButtons_toggled );
80
81 mColorModel->addItem( tr( "RGB" ), QColor::Spec::Rgb );
82 mColorModel->addItem( tr( "CMYK" ), QColor::Spec::Cmyk );
83 connect( mColorModel, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, [this]( int )
84 {
85 const QColor::Spec spec = static_cast< QColor::Spec >( mColorModel->currentData().toInt() );
86 if ( spec == QColor::Spec::Cmyk )
87 setColor( this->color().toCmyk() );
88 else
89 setColor( this->color().toRgb() );
90
91 updateComponent();
92 } );
93
94 if ( widgetLayout == LayoutVertical )
95 {
96 // shuffle stuff around
97 QVBoxLayout *newLayout = new QVBoxLayout();
98 newLayout->setContentsMargins( 0, 0, 0, 0 );
99 newLayout->addWidget( mTabWidget );
100 newLayout->addWidget( mSlidersWidget );
101 newLayout->addWidget( mPreviewWidget );
102 newLayout->addWidget( mSwatchesWidget );
103 delete layout();
104 setLayout( newLayout );
105 }
106
107 const QgsSettings settings;
108
109 mSchemeList->header()->hide();
110 mSchemeList->setColumnWidth( 0, static_cast< int >( Qgis::UI_SCALE_FACTOR * fontMetrics().horizontalAdvance( 'X' ) * 6 ) );
111
112 //get schemes with ShowInColorDialog set
113 refreshSchemeComboBox();
114 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
115
116 //choose a reasonable starting scheme
117 int activeScheme = settings.value( QStringLiteral( "Windows/ColorDialog/activeScheme" ), 0 ).toInt();
118 activeScheme = activeScheme >= mSchemeComboBox->count() ? 0 : activeScheme;
119
120 mSchemeList->setScheme( schemeList.at( activeScheme ) );
121
122 mSchemeComboBox->setCurrentIndex( activeScheme );
123 updateActionsForCurrentScheme();
124
125 //listen out for selection changes in list, so we can enable/disable the copy colors option
126 connect( mSchemeList->selectionModel(), &QItemSelectionModel::selectionChanged, this, &QgsCompoundColorWidget::listSelectionChanged );
127 //copy action defaults to disabled
128 mActionCopyColors->setEnabled( false );
129
130 connect( mActionCopyColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::copyColors );
131 connect( mActionPasteColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::pasteColors );
132 connect( mActionExportColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::showExportColorsDialog );
133 connect( mActionImportColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::showImportColorsDialog );
134 connect( mActionImportPalette, &QAction::triggered, this, &QgsCompoundColorWidget::importPalette );
135 connect( mActionRemovePalette, &QAction::triggered, this, &QgsCompoundColorWidget::removePalette );
136 connect( mActionNewPalette, &QAction::triggered, this, &QgsCompoundColorWidget::newPalette );
137 connect( mRemoveColorsFromSchemeButton, &QAbstractButton::clicked, mSchemeList, &QgsColorSchemeList::removeSelection );
138
139 QMenu *schemeMenu = new QMenu( mSchemeToolButton );
140 schemeMenu->addAction( mActionCopyColors );
141 schemeMenu->addAction( mActionPasteColors );
142 schemeMenu->addSeparator();
143 schemeMenu->addAction( mActionImportColors );
144 schemeMenu->addAction( mActionExportColors );
145 schemeMenu->addSeparator();
146 schemeMenu->addAction( mActionNewPalette );
147 schemeMenu->addAction( mActionImportPalette );
148 schemeMenu->addAction( mActionRemovePalette );
149 schemeMenu->addAction( mActionShowInButtons );
150 mSchemeToolButton->setMenu( schemeMenu );
151
152 connect( mSchemeComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCompoundColorWidget::schemeIndexChanged );
153 connect( mSchemeList, &QgsColorSchemeList::colorSelected, this, &QgsCompoundColorWidget::_setColor );
154
155 mOldColorLabel->hide();
156
157 mVerticalRamp->setOrientation( QgsColorRampWidget::Vertical );
158 mVerticalRamp->setInteriorMargin( 2 );
159 mVerticalRamp->setShowFrame( true );
160
161 mRedSlider->setComponent( QgsColorWidget::Red );
162 mGreenSlider->setComponent( QgsColorWidget::Green );
163 mBlueSlider->setComponent( QgsColorWidget::Blue );
164 mHueSlider->setComponent( QgsColorWidget::Hue );
165 mSaturationSlider->setComponent( QgsColorWidget::Saturation );
166 mValueSlider->setComponent( QgsColorWidget::Value );
167 mAlphaSlider->setComponent( QgsColorWidget::Alpha );
168 mCyanSlider->setComponent( QgsColorWidget::Cyan );
169 mMagentaSlider->setComponent( QgsColorWidget::Magenta );
170 mYellowSlider->setComponent( QgsColorWidget::Yellow );
171 mBlackSlider->setComponent( QgsColorWidget::Black );
172
173 mSwatchButton1->setShowMenu( false );
174 mSwatchButton1->setBehavior( QgsColorButton::SignalOnly );
175 mSwatchButton2->setShowMenu( false );
176 mSwatchButton2->setBehavior( QgsColorButton::SignalOnly );
177 mSwatchButton3->setShowMenu( false );
178 mSwatchButton3->setBehavior( QgsColorButton::SignalOnly );
179 mSwatchButton4->setShowMenu( false );
180 mSwatchButton4->setBehavior( QgsColorButton::SignalOnly );
181 mSwatchButton5->setShowMenu( false );
182 mSwatchButton5->setBehavior( QgsColorButton::SignalOnly );
183 mSwatchButton6->setShowMenu( false );
184 mSwatchButton6->setBehavior( QgsColorButton::SignalOnly );
185 mSwatchButton7->setShowMenu( false );
186 mSwatchButton7->setBehavior( QgsColorButton::SignalOnly );
187 mSwatchButton8->setShowMenu( false );
188 mSwatchButton8->setBehavior( QgsColorButton::SignalOnly );
189 mSwatchButton9->setShowMenu( false );
190 mSwatchButton9->setBehavior( QgsColorButton::SignalOnly );
191 mSwatchButton10->setShowMenu( false );
192 mSwatchButton10->setBehavior( QgsColorButton::SignalOnly );
193 mSwatchButton11->setShowMenu( false );
194 mSwatchButton11->setBehavior( QgsColorButton::SignalOnly );
195 mSwatchButton12->setShowMenu( false );
196 mSwatchButton12->setBehavior( QgsColorButton::SignalOnly );
197 mSwatchButton13->setShowMenu( false );
198 mSwatchButton13->setBehavior( QgsColorButton::SignalOnly );
199 mSwatchButton14->setShowMenu( false );
200 mSwatchButton14->setBehavior( QgsColorButton::SignalOnly );
201 mSwatchButton15->setShowMenu( false );
202 mSwatchButton15->setBehavior( QgsColorButton::SignalOnly );
203 mSwatchButton16->setShowMenu( false );
204 mSwatchButton16->setBehavior( QgsColorButton::SignalOnly );
205 //restore custom colors
206 mSwatchButton1->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor1" ), QVariant( QColor() ) ).value<QColor>() );
207 mSwatchButton2->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor2" ), QVariant( QColor() ) ).value<QColor>() );
208 mSwatchButton3->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor3" ), QVariant( QColor() ) ).value<QColor>() );
209 mSwatchButton4->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor4" ), QVariant( QColor() ) ).value<QColor>() );
210 mSwatchButton5->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor5" ), QVariant( QColor() ) ).value<QColor>() );
211 mSwatchButton6->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor6" ), QVariant( QColor() ) ).value<QColor>() );
212 mSwatchButton7->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor7" ), QVariant( QColor() ) ).value<QColor>() );
213 mSwatchButton8->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor8" ), QVariant( QColor() ) ).value<QColor>() );
214 mSwatchButton9->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor9" ), QVariant( QColor() ) ).value<QColor>() );
215 mSwatchButton10->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor10" ), QVariant( QColor() ) ).value<QColor>() );
216 mSwatchButton11->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor11" ), QVariant( QColor() ) ).value<QColor>() );
217 mSwatchButton12->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor12" ), QVariant( QColor() ) ).value<QColor>() );
218 mSwatchButton13->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor13" ), QVariant( QColor() ) ).value<QColor>() );
219 mSwatchButton14->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor14" ), QVariant( QColor() ) ).value<QColor>() );
220 mSwatchButton15->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor15" ), QVariant( QColor() ) ).value<QColor>() );
221 mSwatchButton16->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor16" ), QVariant( QColor() ) ).value<QColor>() );
222
223 //restore sample radius
224 mSpinBoxRadius->setValue( settings.value( QStringLiteral( "Windows/ColorDialog/sampleRadius" ), 1 ).toInt() );
225 mSamplePreview->setColor( QColor() );
226
227 // hidpi friendly sizes
228 const int swatchWidth = static_cast< int >( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.9 * mSwatchButton1->fontMetrics().height(), 38.0 ) ) );
229 const int swatchHeight = static_cast< int >( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.5 * mSwatchButton1->fontMetrics().height(), 30.0 ) ) );
230 mSwatchButton1->setMinimumSize( swatchWidth, swatchHeight );
231 mSwatchButton1->setMaximumSize( swatchWidth, swatchHeight );
232 mSwatchButton2->setMinimumSize( swatchWidth, swatchHeight );
233 mSwatchButton2->setMaximumSize( swatchWidth, swatchHeight );
234 mSwatchButton3->setMinimumSize( swatchWidth, swatchHeight );
235 mSwatchButton3->setMaximumSize( swatchWidth, swatchHeight );
236 mSwatchButton4->setMinimumSize( swatchWidth, swatchHeight );
237 mSwatchButton4->setMaximumSize( swatchWidth, swatchHeight );
238 mSwatchButton5->setMinimumSize( swatchWidth, swatchHeight );
239 mSwatchButton5->setMaximumSize( swatchWidth, swatchHeight );
240 mSwatchButton6->setMinimumSize( swatchWidth, swatchHeight );
241 mSwatchButton6->setMaximumSize( swatchWidth, swatchHeight );
242 mSwatchButton7->setMinimumSize( swatchWidth, swatchHeight );
243 mSwatchButton7->setMaximumSize( swatchWidth, swatchHeight );
244 mSwatchButton8->setMinimumSize( swatchWidth, swatchHeight );
245 mSwatchButton8->setMaximumSize( swatchWidth, swatchHeight );
246 mSwatchButton9->setMinimumSize( swatchWidth, swatchHeight );
247 mSwatchButton9->setMaximumSize( swatchWidth, swatchHeight );
248 mSwatchButton10->setMinimumSize( swatchWidth, swatchHeight );
249 mSwatchButton10->setMaximumSize( swatchWidth, swatchHeight );
250 mSwatchButton11->setMinimumSize( swatchWidth, swatchHeight );
251 mSwatchButton11->setMaximumSize( swatchWidth, swatchHeight );
252 mSwatchButton12->setMinimumSize( swatchWidth, swatchHeight );
253 mSwatchButton12->setMaximumSize( swatchWidth, swatchHeight );
254 mSwatchButton13->setMinimumSize( swatchWidth, swatchHeight );
255 mSwatchButton13->setMaximumSize( swatchWidth, swatchHeight );
256 mSwatchButton14->setMinimumSize( swatchWidth, swatchHeight );
257 mSwatchButton14->setMaximumSize( swatchWidth, swatchHeight );
258 mSwatchButton15->setMinimumSize( swatchWidth, swatchHeight );
259 mSwatchButton15->setMaximumSize( swatchWidth, swatchHeight );
260 mSwatchButton16->setMinimumSize( swatchWidth, swatchHeight );
261 mSwatchButton16->setMaximumSize( swatchWidth, swatchHeight );
262 const int previewHeight = static_cast< int >( std::round( std::max( Qgis::UI_SCALE_FACTOR * 2.0 * mSwatchButton1->fontMetrics().height(), 40.0 ) ) );
263 mColorPreview->setMinimumSize( 0, previewHeight );
264 mPreviewWidget->setMaximumHeight( previewHeight * 2 );
265 const int swatchAddSize = static_cast< int >( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.4 * mSwatchButton1->fontMetrics().height(), 28.0 ) ) );
266 mAddCustomColorButton->setMinimumWidth( swatchAddSize );
267 mAddCustomColorButton->setMaximumWidth( swatchAddSize );
268
269 const int iconSize = QgsGuiUtils::scaleIconSize( 16 );
270 mTabWidget->setIconSize( QSize( iconSize, iconSize ) );
271
272 setColor( color );
273
274 // restore active Rgb/Cmyk component radio button
275 const int activeRgbRadio = settings.value( QStringLiteral( "Windows/ColorDialog/activeComponent" ), 2 ).toInt();
276 if ( QAbstractButton *rgbRadio = mRgbGroup->button( activeRgbRadio ) )
277 rgbRadio->setChecked( true );
278
279 const int activeCmykRadio = settings.value( QStringLiteral( "Windows/ColorDialog/activeCmykComponent" ), 0 ).toInt();
280 if ( QAbstractButton *cmykRadio = mCmykGroup->button( activeCmykRadio ) )
281 cmykRadio->setChecked( true );
282
283 const int currentTab = settings.value( QStringLiteral( "Windows/ColorDialog/activeTab" ), 0 ).toInt();
284 mTabWidget->setCurrentIndex( currentTab );
285
286 //setup connections
287 connect( mColorBox, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
288 connect( mColorWheel, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
289 connect( mColorText, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
290 connect( mVerticalRamp, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
291 connect( mRedSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
292 connect( mGreenSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
293 connect( mBlueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
294 connect( mHueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
295 connect( mValueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
296 connect( mCyanSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
297 connect( mMagentaSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
298 connect( mYellowSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
299 connect( mBlackSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
300 connect( mSaturationSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
301 connect( mAlphaSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
302 connect( mColorPreview, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
303 connect( mSwatchButton1, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
304 connect( mSwatchButton2, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
305 connect( mSwatchButton3, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
306 connect( mSwatchButton4, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
307 connect( mSwatchButton5, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
308 connect( mSwatchButton6, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
309 connect( mSwatchButton7, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
310 connect( mSwatchButton8, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
311 connect( mSwatchButton9, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
312 connect( mSwatchButton10, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
313 connect( mSwatchButton11, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
314 connect( mSwatchButton12, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
315 connect( mSwatchButton13, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
316 connect( mSwatchButton14, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
317 connect( mSwatchButton15, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
318 connect( mSwatchButton16, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
319}
320
328
329QColor QgsCompoundColorWidget::color() const
330{
331 //all widgets should have the same color, so it shouldn't matter
332 //which we fetch it from
333 return mColorPreview->color();
334}
335
336void QgsCompoundColorWidget::setAllowOpacity( const bool allowOpacity )
337{
338 mAllowAlpha = allowOpacity;
339 mAlphaLabel->setVisible( allowOpacity );
340 mAlphaSlider->setVisible( allowOpacity );
341 mColorText->setAllowOpacity( allowOpacity );
342 if ( !allowOpacity )
343 {
344 mAlphaLayout->setContentsMargins( 0, 0, 0, 0 );
345 mAlphaLayout->setSpacing( 0 );
346 }
347}
348
349void QgsCompoundColorWidget::setColorModelEditable( bool colorModelEditable )
350{
351 mColorModel->setVisible( colorModelEditable );
352}
353
354void QgsCompoundColorWidget::refreshSchemeComboBox()
355{
356 mSchemeComboBox->blockSignals( true );
357 mSchemeComboBox->clear();
358 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
359 QList<QgsColorScheme *>::const_iterator schemeIt = schemeList.constBegin();
360 for ( ; schemeIt != schemeList.constEnd(); ++schemeIt )
361 {
362 mSchemeComboBox->addItem( ( *schemeIt )->schemeName() );
363 }
364 mSchemeComboBox->blockSignals( false );
365}
366
367
368QgsUserColorScheme *QgsCompoundColorWidget::importUserPaletteFromFile( QWidget *parent )
369{
370 QgsSettings s;
371 const QString lastDir = s.value( QStringLiteral( "/UI/lastGplPaletteDir" ), QDir::homePath() ).toString();
372 const QString filePath = QFileDialog::getOpenFileName( parent, tr( "Select Palette File" ), lastDir, QStringLiteral( "GPL (*.gpl);;All files (*.*)" ) );
373 if ( parent )
374 parent->activateWindow();
375 if ( filePath.isEmpty() )
376 {
377 return nullptr;
378 }
379
380 //check if file exists
381 const QFileInfo fileInfo( filePath );
382 if ( !fileInfo.exists() || !fileInfo.isReadable() )
383 {
384 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "Error, file does not exist or is not readable." ) );
385 return nullptr;
386 }
387
388 s.setValue( QStringLiteral( "/UI/lastGplPaletteDir" ), fileInfo.absolutePath() );
389 QFile file( filePath );
390
391 QgsNamedColorList importedColors;
392 bool ok = false;
393 QString paletteName;
394 importedColors = QgsSymbolLayerUtils::importColorsFromGpl( file, ok, paletteName );
395 if ( !ok )
396 {
397 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "Palette file is not readable." ) );
398 return nullptr;
399 }
400
401 if ( importedColors.length() == 0 )
402 {
403 //no imported colors
404 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "No colors found in palette file." ) );
405 return nullptr;
406 }
407
408 //TODO - handle conflicting file names, name for new palette
409 QgsUserColorScheme *importedScheme = new QgsUserColorScheme( fileInfo.fileName() );
410 importedScheme->setName( paletteName );
411 importedScheme->setColors( importedColors );
412
413 QgsApplication::colorSchemeRegistry()->addColorScheme( importedScheme );
414 return importedScheme;
415}
416
417void QgsCompoundColorWidget::importPalette()
418{
419 if ( importUserPaletteFromFile( this ) )
420 {
421 //refresh combobox
422 refreshSchemeComboBox();
423 mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
424 }
425}
426
427
428bool QgsCompoundColorWidget::removeUserPalette( QgsUserColorScheme *scheme, QWidget *parent )
429{
430 if ( QMessageBox::question( parent, tr( "Remove Color Palette" ),
431 tr( "Are you sure you want to remove %1?" ).arg( scheme->schemeName() ),
432 QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) != QMessageBox::Yes )
433 {
434 //user canceled
435 return false;
436 }
437
438 //remove palette and associated gpl file
439 if ( !scheme->erase() )
440 {
441 //something went wrong
442 return false;
443 }
444
445 //remove scheme from registry
446 QgsApplication::colorSchemeRegistry()->removeColorScheme( scheme );
447 return true;
448}
449
450void QgsCompoundColorWidget::removePalette()
451{
452 //get current scheme
453 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
454 int prevIndex = mSchemeComboBox->currentIndex();
455 if ( prevIndex >= schemeList.length() )
456 {
457 return;
458 }
459
460 //make user scheme is a user removable scheme
461 QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( schemeList.at( prevIndex ) );
462 if ( !userScheme )
463 {
464 return;
465 }
466
467 if ( removeUserPalette( userScheme, this ) )
468 {
469 refreshSchemeComboBox();
470 prevIndex = std::max( std::min( prevIndex, mSchemeComboBox->count() - 1 ), 0 );
471 mSchemeComboBox->setCurrentIndex( prevIndex );
472 }
473}
474
475QgsUserColorScheme *QgsCompoundColorWidget::createNewUserPalette( QWidget *parent )
476{
477 bool ok = false;
478 const QString name = QInputDialog::getText( parent, tr( "Create New Palette" ), tr( "Enter a name for the new palette:" ),
479 QLineEdit::Normal, tr( "New palette" ), &ok );
480
481 if ( !ok || name.isEmpty() )
482 {
483 //user canceled
484 return nullptr;
485 }
486
487 //generate file name for new palette
488 const QDir palettePath( gplFilePath() );
489 const thread_local QRegularExpression badChars( "[,^@={}\\[\\]~!?:&*\"|#%<>$\"'();`' /\\\\]" );
490 QString filename = name.simplified().toLower().replace( badChars, QStringLiteral( "_" ) );
491 if ( filename.isEmpty() )
492 {
493 filename = tr( "new_palette" );
494 }
495 QFileInfo destFileInfo( palettePath.filePath( filename + ".gpl" ) );
496 int fileNumber = 1;
497 while ( destFileInfo.exists() )
498 {
499 //try to generate a unique file name
500 destFileInfo = QFileInfo( palettePath.filePath( filename + QStringLiteral( "%1.gpl" ).arg( fileNumber ) ) );
501 fileNumber++;
502 }
503
504 QgsUserColorScheme *newScheme = new QgsUserColorScheme( destFileInfo.fileName() );
505 newScheme->setName( name );
506
507 QgsApplication::colorSchemeRegistry()->addColorScheme( newScheme );
508 return newScheme;
509}
510
511void QgsCompoundColorWidget::newPalette()
512{
513 if ( createNewUserPalette( this ) )
514 {
515 //refresh combobox and set new scheme as active
516 refreshSchemeComboBox();
517 mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
518 }
519}
520
521QString QgsCompoundColorWidget::gplFilePath()
522{
523 QString palettesDir = QgsApplication::qgisSettingsDirPath() + "palettes";
524
525 const QDir localDir;
526 if ( !localDir.mkpath( palettesDir ) )
527 {
528 return QString();
529 }
530
531 return palettesDir;
532}
533
534void QgsCompoundColorWidget::schemeIndexChanged( int index )
535{
536 //save changes to scheme
537 if ( mSchemeList->isDirty() )
538 {
539 mSchemeList->saveColorsToScheme();
540 }
541
542 //get schemes with ShowInColorDialog set
543 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
544 if ( index >= schemeList.length() )
545 {
546 return;
547 }
548
549 QgsColorScheme *scheme = schemeList.at( index );
550 mSchemeList->setScheme( scheme );
551
552 updateActionsForCurrentScheme();
553
554 //copy action defaults to disabled
555 mActionCopyColors->setEnabled( false );
556}
557
558void QgsCompoundColorWidget::listSelectionChanged( const QItemSelection &selected, const QItemSelection &deselected )
559{
560 Q_UNUSED( deselected )
561 mActionCopyColors->setEnabled( selected.length() > 0 );
562}
563
564void QgsCompoundColorWidget::mAddCustomColorButton_clicked()
565{
566 switch ( mLastCustomColorIndex )
567 {
568 case 0:
569 mSwatchButton1->setColor( mColorPreview->color() );
570 break;
571 case 1:
572 mSwatchButton2->setColor( mColorPreview->color() );
573 break;
574 case 2:
575 mSwatchButton3->setColor( mColorPreview->color() );
576 break;
577 case 3:
578 mSwatchButton4->setColor( mColorPreview->color() );
579 break;
580 case 4:
581 mSwatchButton5->setColor( mColorPreview->color() );
582 break;
583 case 5:
584 mSwatchButton6->setColor( mColorPreview->color() );
585 break;
586 case 6:
587 mSwatchButton7->setColor( mColorPreview->color() );
588 break;
589 case 7:
590 mSwatchButton8->setColor( mColorPreview->color() );
591 break;
592 case 8:
593 mSwatchButton9->setColor( mColorPreview->color() );
594 break;
595 case 9:
596 mSwatchButton10->setColor( mColorPreview->color() );
597 break;
598 case 10:
599 mSwatchButton11->setColor( mColorPreview->color() );
600 break;
601 case 11:
602 mSwatchButton12->setColor( mColorPreview->color() );
603 break;
604 case 12:
605 mSwatchButton13->setColor( mColorPreview->color() );
606 break;
607 case 13:
608 mSwatchButton14->setColor( mColorPreview->color() );
609 break;
610 case 14:
611 mSwatchButton15->setColor( mColorPreview->color() );
612 break;
613 case 15:
614 mSwatchButton16->setColor( mColorPreview->color() );
615 break;
616 }
617 mLastCustomColorIndex++;
618 if ( mLastCustomColorIndex >= 16 )
619 {
620 mLastCustomColorIndex = 0;
621 }
622}
623
624void QgsCompoundColorWidget::mSampleButton_clicked()
625{
626 //activate picker color
627 setCursor( QgsApplication::getThemeCursor( QgsApplication::Cursor::Sampler ) );
628 grabMouse();
629 grabKeyboard();
630 mPickingColor = true;
631 setMouseTracking( true );
632}
633
634void QgsCompoundColorWidget::mTabWidget_currentChanged( int index )
635{
636 //disable radio buttons if not using the first tab, as they have no meaning for other tabs
637 const bool enabled = index == 0;
638 const QList<QRadioButton *> colorRadios{ mHueRadio, mSaturationRadio, mValueRadio, mRedRadio, mGreenRadio, mBlueRadio, mCyanRadio, mMagentaRadio, mYellowRadio, mBlackRadio };
639 for ( QRadioButton *colorRadio : colorRadios )
640 colorRadio->setEnabled( enabled );
641}
642
643void QgsCompoundColorWidget::mActionShowInButtons_toggled( bool state )
644{
645 QgsUserColorScheme *scheme = dynamic_cast< QgsUserColorScheme * >( mSchemeList->scheme() );
646 if ( scheme )
647 {
648 scheme->setShowSchemeInMenu( state );
649 }
650}
651
652QScreen *QgsCompoundColorWidget::findScreenAt( QPoint pos )
653{
654 const QList< QScreen * > screens = QGuiApplication::screens();
655 for ( QScreen *screen : screens )
656 {
657 if ( screen->geometry().contains( pos ) )
658 {
659 return screen;
660 }
661 }
662 return nullptr;
663}
664
665void QgsCompoundColorWidget::saveSettings()
666{
667 //save changes to scheme
668 if ( mSchemeList->isDirty() )
669 {
670 mSchemeList->saveColorsToScheme();
671 }
672
673 QgsSettings settings;
674
675 // record active component
676 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeComponent" ), mRgbGroup->checkedId() );
677 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeCmykComponent" ), mCmykGroup->checkedId() );
678
679 //record current scheme
680 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeScheme" ), mSchemeComboBox->currentIndex() );
681
682 //record current tab
683 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeTab" ), mTabWidget->currentIndex() );
684
685 //record custom colors
686 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor1" ), QVariant( mSwatchButton1->color() ) );
687 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor2" ), QVariant( mSwatchButton2->color() ) );
688 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor3" ), QVariant( mSwatchButton3->color() ) );
689 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor4" ), QVariant( mSwatchButton4->color() ) );
690 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor5" ), QVariant( mSwatchButton5->color() ) );
691 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor6" ), QVariant( mSwatchButton6->color() ) );
692 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor7" ), QVariant( mSwatchButton7->color() ) );
693 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor8" ), QVariant( mSwatchButton8->color() ) );
694 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor9" ), QVariant( mSwatchButton9->color() ) );
695 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor10" ), QVariant( mSwatchButton10->color() ) );
696 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor11" ), QVariant( mSwatchButton11->color() ) );
697 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor12" ), QVariant( mSwatchButton12->color() ) );
698 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor13" ), QVariant( mSwatchButton13->color() ) );
699 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor14" ), QVariant( mSwatchButton14->color() ) );
700 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor15" ), QVariant( mSwatchButton15->color() ) );
701 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor16" ), QVariant( mSwatchButton16->color() ) );
702
703 //sample radius
704 settings.setValue( QStringLiteral( "Windows/ColorDialog/sampleRadius" ), mSpinBoxRadius->value() );
705}
706
707void QgsCompoundColorWidget::stopPicking( QPoint eventPos, const bool takeSample )
708{
709 //release mouse and keyboard, and reset cursor
710 releaseMouse();
711 releaseKeyboard();
712 unsetCursor();
713 setMouseTracking( false );
714 mPickingColor = false;
715
716 if ( !takeSample )
717 {
718 //not sampling color, nothing more to do
719 return;
720 }
721
722 //grab snapshot of pixel under mouse cursor
723 const QColor snappedColor = sampleColor( eventPos );
724 mSamplePreview->setColor( snappedColor );
725 mColorPreview->setColor( snappedColor, true );
726}
727
728void QgsCompoundColorWidget::setColor( const QColor &color )
729{
730 const QColor::Spec colorSpec = color.spec() == QColor::Cmyk ? QColor::Cmyk : QColor::Rgb;
731 mColorModel->setCurrentIndex( mColorModel->findData( colorSpec ) );
732 mRGB->setVisible( colorSpec != QColor::Cmyk );
733 mCMYK->setVisible( colorSpec == QColor::Cmyk );
734 _setColor( color );
735}
736
737void QgsCompoundColorWidget::_setColor( const QColor &color )
738{
739 if ( !color.isValid() )
740 {
741 return;
742 }
743
744 QColor fixedColor = QColor( color );
745 if ( !mAllowAlpha )
746 {
747 //opacity disallowed, so don't permit transparent colors
748 fixedColor.setAlpha( 255 );
749 }
750
751 if ( mColorModel->currentIndex() && fixedColor.spec() != QColor::Cmyk )
752 {
753 fixedColor = fixedColor.toCmyk();
754 }
755
756 const QList<QgsColorWidget *> colorWidgets = this->findChildren<QgsColorWidget *>();
757 const auto constColorWidgets = colorWidgets;
758 for ( QgsColorWidget *widget : constColorWidgets )
759 {
760 if ( widget == mSamplePreview )
761 {
762 continue;
763 }
764 widget->blockSignals( true );
765 widget->setColor( fixedColor );
766 widget->blockSignals( false );
767 }
768
769
770 emit currentColorChanged( fixedColor );
771}
772
773void QgsCompoundColorWidget::setPreviousColor( const QColor &color )
774{
775 mOldColorLabel->setVisible( color.isValid() );
776 mColorPreview->setColor2( color );
777}
778
779void QgsCompoundColorWidget::hideEvent( QHideEvent *e )
780{
781 saveSettings();
782 QWidget::hideEvent( e );
783}
784
785void QgsCompoundColorWidget::mousePressEvent( QMouseEvent *e )
786{
787 if ( mPickingColor )
788 {
789 //don't show dialog if in color picker mode
790 e->accept();
791 return;
792 }
793
794 QWidget::mousePressEvent( e );
795}
796
797QColor QgsCompoundColorWidget::averageColor( const QImage &image ) const
798{
799 QRgb tmpRgb;
800 int colorCount = 0;
801 int sumRed = 0;
802 int sumBlue = 0;
803 int sumGreen = 0;
804 //scan through image and sum rgb components
805 for ( int heightIndex = 0; heightIndex < image.height(); ++heightIndex )
806 {
807 const QRgb *scanLine = reinterpret_cast< const QRgb * >( image.constScanLine( heightIndex ) );
808 for ( int widthIndex = 0; widthIndex < image.width(); ++widthIndex )
809 {
810 tmpRgb = scanLine[widthIndex];
811 sumRed += qRed( tmpRgb );
812 sumBlue += qBlue( tmpRgb );
813 sumGreen += qGreen( tmpRgb );
814 colorCount++;
815 }
816 }
817 //calculate average components as floats
818 const double avgRed = static_cast<double>( sumRed ) / ( 255.0 * colorCount );
819 const double avgGreen = static_cast<double>( sumGreen ) / ( 255.0 * colorCount );
820 const double avgBlue = static_cast<double>( sumBlue ) / ( 255.0 * colorCount );
821
822 //create a new color representing the average
823 return QColor::fromRgbF( avgRed, avgGreen, avgBlue );
824}
825
826QColor QgsCompoundColorWidget::sampleColor( QPoint point ) const
827{
828 const int sampleRadius = mSpinBoxRadius->value() - 1;
829 QScreen *screen = findScreenAt( point );
830 if ( ! screen )
831 {
832 return QColor();
833 }
834
835 const int x = point.x() - screen->geometry().left();
836 const int y = point.y() - screen->geometry().top();
837 const QPixmap snappedPixmap = screen->grabWindow( 0,
838 x - sampleRadius,
839 y - sampleRadius,
840 1 + sampleRadius * 2,
841 1 + sampleRadius * 2 );
842 const QImage snappedImage = snappedPixmap.toImage();
843 //scan all pixels and take average color
844 return averageColor( snappedImage );
845}
846
847void QgsCompoundColorWidget::mouseMoveEvent( QMouseEvent *e )
848{
849 if ( mPickingColor )
850 {
851 //currently in color picker mode
852 //sample color under cursor update preview widget to give feedback to user
853 const QColor hoverColor = sampleColor( e->globalPos() );
854 mSamplePreview->setColor( hoverColor );
855
856 e->accept();
857 return;
858 }
859
860 QWidget::mouseMoveEvent( e );
861}
862
863void QgsCompoundColorWidget::mouseReleaseEvent( QMouseEvent *e )
864{
865 if ( mPickingColor )
866 {
867 //end color picking operation by sampling the color under cursor
868 stopPicking( e->globalPos() );
869 e->accept();
870 return;
871 }
872
873 QWidget::mouseReleaseEvent( e );
874}
875
876void QgsCompoundColorWidget::keyPressEvent( QKeyEvent *e )
877{
878 if ( !mPickingColor )
879 {
880 //if not picking a color, use default tool button behavior
881 QgsPanelWidget::keyPressEvent( e );
882 return;
883 }
884
885 //cancel picking, sampling the color if space was pressed
886 stopPicking( QCursor::pos(), e->key() == Qt::Key_Space );
887}
888
889
890void QgsCompoundColorWidget::updateComponent()
891{
892 const bool isCmyk = mColorModel->currentData().toInt() == QColor::Spec::Cmyk;
893 const auto radios = isCmyk ? mCmykRadios : mRgbRadios;
894 const QButtonGroup *group = isCmyk ? mCmykGroup : mRgbGroup;
895
896 const int id = group->checkedId();
897 if ( id >= 0 && id < radios.count() )
898 {
899 const QgsColorWidget::ColorComponent component = radios.at( group->checkedId() ).second;
900 mColorBox->setComponent( component );
901 mVerticalRamp->setComponent( component );
902 }
903}
904
905void QgsCompoundColorWidget::onColorButtonGroupToggled( int, bool checked )
906{
907 if ( checked )
908 updateComponent();
909}
910
911void QgsCompoundColorWidget::mAddColorToSchemeButton_clicked()
912{
913 mSchemeList->addColor( mColorPreview->color(), QgsSymbolLayerUtils::colorToName( mColorPreview->color() ) );
914}
915
916void QgsCompoundColorWidget::updateActionsForCurrentScheme()
917{
918 QgsColorScheme *scheme = mSchemeList->scheme();
919
920 mActionImportColors->setEnabled( scheme->isEditable() );
921 mActionPasteColors->setEnabled( scheme->isEditable() );
922 mAddColorToSchemeButton->setEnabled( scheme->isEditable() );
923 mRemoveColorsFromSchemeButton->setEnabled( scheme->isEditable() );
924
925 QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( scheme );
926 mActionRemovePalette->setEnabled( static_cast< bool >( userScheme ) );
927 if ( userScheme )
928 {
929 mActionShowInButtons->setEnabled( true );
930 whileBlocking( mActionShowInButtons )->setChecked( userScheme->flags() & QgsColorScheme::ShowInColorButtonMenu );
931 }
932 else
933 {
934 whileBlocking( mActionShowInButtons )->setChecked( false );
935 mActionShowInButtons->setEnabled( false );
936 }
937}
Qgis::UI_SCALE_FACTOR
static const double UI_SCALE_FACTOR
UI scaling factor.
Definition qgis.h:5627
QgsApplication::getThemeCursor
static QCursor getThemeCursor(Cursor cursor)
Helper to get a theme cursor.
Definition qgsapplication.cpp:869
QgsApplication::colorSchemeRegistry
static QgsColorSchemeRegistry * colorSchemeRegistry()
Returns the application's color scheme registry, used for managing color schemes.
Definition qgsapplication.cpp:2454
QgsApplication::qgisSettingsDirPath
static QString qgisSettingsDirPath()
Returns the path to the settings directory in user's home dir.
Definition qgsapplication.cpp:1206
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:100
QgsColorSchemeList::removeSelection
void removeSelection()
Removes any selected colors from the list.
Definition qgscolorschemelist.cpp:75
QgsColorSchemeList::copyColors
void copyColors()
Copies colors from the list to the clipboard.
Definition qgscolorschemelist.cpp:118
QgsColorSchemeList::showExportColorsDialog
void showExportColorsDialog()
Displays a file picker dialog allowing users to export colors from the list into a file.
Definition qgscolorschemelist.cpp:170
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:141
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:779
QgsCompoundColorWidget::QgsCompoundColorWidget
QgsCompoundColorWidget(QWidget *parent=nullptr, const QColor &color=QColor(), Layout layout=LayoutDefault)
Constructor for QgsCompoundColorWidget.
Definition qgscompoundcolorwidget.cpp:38
QgsCompoundColorWidget::mousePressEvent
void mousePressEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:785
QgsCompoundColorWidget::setColorModelEditable
void setColorModelEditable(bool colorModelEditable)
Sets whether color model is editable or not.
Definition qgscompoundcolorwidget.cpp:349
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:368
QgsCompoundColorWidget::setPreviousColor
void setPreviousColor(const QColor &color)
Sets the color to show in an optional "previous color" section.
Definition qgscompoundcolorwidget.cpp:773
QgsCompoundColorWidget::removeUserPalette
static bool removeUserPalette(QgsUserColorScheme *scheme, QWidget *parent)
Triggers a user prompt for removing an existing user color scheme.
Definition qgscompoundcolorwidget.cpp:428
QgsCompoundColorWidget::createNewUserPalette
static QgsUserColorScheme * createNewUserPalette(QWidget *parent)
Triggers a user prompt for creating a new user color scheme.
Definition qgscompoundcolorwidget.cpp:475
QgsCompoundColorWidget::mouseMoveEvent
void mouseMoveEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:847
QgsCompoundColorWidget::setAllowOpacity
void setAllowOpacity(bool allowOpacity)
Sets whether opacity modification (transparency) is permitted for the color dialog.
Definition qgscompoundcolorwidget.cpp:336
QgsCompoundColorWidget::setColor
void setColor(const QColor &color)
Sets the current color for the dialog.
Definition qgscompoundcolorwidget.cpp:728
QgsCompoundColorWidget::keyPressEvent
void keyPressEvent(QKeyEvent *e) override
Definition qgscompoundcolorwidget.cpp:876
QgsCompoundColorWidget::color
QColor color() const
Returns the current color for the dialog.
Definition qgscompoundcolorwidget.cpp:329
QgsCompoundColorWidget::mouseReleaseEvent
void mouseReleaseEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:863
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:117
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:174
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:303
QgsSymbolLayerUtils::importColorsFromGpl
static QgsNamedColorList importColorsFromGpl(QFile &file, bool &ok, QString &name)
Imports colors from a gpl GIMP palette file.
Definition qgssymbollayerutils.cpp:3798
QgsSymbolLayerUtils::colorToName
static QString colorToName(const QColor &color)
Returns a friendly display name for a color.
Definition qgssymbollayerutils.cpp:3490
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:5821
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