QGIS API Documentation 3.41.0-Master (cea29feecf2)
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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 { 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 { mCyanRadio, QgsColorWidget::ColorComponent::Cyan },
57 { mMagentaRadio, QgsColorWidget::ColorComponent::Magenta },
58 { mYellowRadio, QgsColorWidget::ColorComponent::Yellow },
59 { mBlackRadio, QgsColorWidget::ColorComponent::Black }
60 };
61
62 mRgbGroup = new QButtonGroup( this );
63 int i = 0;
64 for ( auto colorRadio : mRgbRadios )
65 mRgbGroup->addButton( colorRadio.first, i++ );
66
67 mCmykGroup = new QButtonGroup( this );
68 i = 0;
69 for ( auto colorRadio : mCmykRadios )
70 mCmykGroup->addButton( colorRadio.first, i++ );
71
72 connect( mRgbGroup, &QButtonGroup::idToggled, this, &QgsCompoundColorWidget::onColorButtonGroupToggled );
73 connect( mCmykGroup, &QButtonGroup::idToggled, this, &QgsCompoundColorWidget::onColorButtonGroupToggled );
74 connect( mAddColorToSchemeButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mAddColorToSchemeButton_clicked );
75 connect( mAddCustomColorButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mAddCustomColorButton_clicked );
76 connect( mSampleButton, &QPushButton::clicked, this, &QgsCompoundColorWidget::mSampleButton_clicked );
77 connect( mTabWidget, &QTabWidget::currentChanged, this, &QgsCompoundColorWidget::mTabWidget_currentChanged );
78 connect( mActionShowInButtons, &QAction::toggled, this, &QgsCompoundColorWidget::mActionShowInButtons_toggled );
79
80 mColorModel->addItem( tr( "RGB" ), QColor::Spec::Rgb );
81 mColorModel->addItem( tr( "CMYK" ), QColor::Spec::Cmyk );
82 connect( mColorModel, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, [this]( int ) {
83 const QColor::Spec spec = static_cast<QColor::Spec>( mColorModel->currentData().toInt() );
84 if ( spec == QColor::Spec::Cmyk )
85 setColor( this->color().toCmyk() );
86 else
87 setColor( this->color().toRgb() );
88
89 updateComponent();
90 } );
91
92 if ( widgetLayout == LayoutVertical )
93 {
94 // shuffle stuff around
95 QVBoxLayout *newLayout = new QVBoxLayout();
96 newLayout->setContentsMargins( 0, 0, 0, 0 );
97 newLayout->addWidget( mTabWidget );
98 newLayout->addWidget( mSlidersWidget );
99 newLayout->addWidget( mPreviewWidget );
100 newLayout->addWidget( mSwatchesWidget );
101 delete layout();
102 setLayout( newLayout );
103 }
104
105 const QgsSettings settings;
106
107 mSchemeList->header()->hide();
108 mSchemeList->setColumnWidth( 0, static_cast<int>( Qgis::UI_SCALE_FACTOR * fontMetrics().horizontalAdvance( 'X' ) * 6 ) );
109
110 //get schemes with ShowInColorDialog set
111 refreshSchemeComboBox();
112 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
113
114 //choose a reasonable starting scheme
115 int activeScheme = settings.value( QStringLiteral( "Windows/ColorDialog/activeScheme" ), 0 ).toInt();
116 activeScheme = activeScheme >= mSchemeComboBox->count() ? 0 : activeScheme;
117
118 mSchemeList->setScheme( schemeList.at( activeScheme ) );
119
120 mSchemeComboBox->setCurrentIndex( activeScheme );
121 updateActionsForCurrentScheme();
122
123 //listen out for selection changes in list, so we can enable/disable the copy colors option
124 connect( mSchemeList->selectionModel(), &QItemSelectionModel::selectionChanged, this, &QgsCompoundColorWidget::listSelectionChanged );
125 //copy action defaults to disabled
126 mActionCopyColors->setEnabled( false );
127
128 connect( mActionCopyColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::copyColors );
129 connect( mActionPasteColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::pasteColors );
130 connect( mActionExportColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::showExportColorsDialog );
131 connect( mActionImportColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::showImportColorsDialog );
132 connect( mActionImportPalette, &QAction::triggered, this, &QgsCompoundColorWidget::importPalette );
133 connect( mActionRemovePalette, &QAction::triggered, this, &QgsCompoundColorWidget::removePalette );
134 connect( mActionNewPalette, &QAction::triggered, this, &QgsCompoundColorWidget::newPalette );
135 connect( mRemoveColorsFromSchemeButton, &QAbstractButton::clicked, mSchemeList, &QgsColorSchemeList::removeSelection );
136
137 QMenu *schemeMenu = new QMenu( mSchemeToolButton );
138 schemeMenu->addAction( mActionCopyColors );
139 schemeMenu->addAction( mActionPasteColors );
140 schemeMenu->addSeparator();
141 schemeMenu->addAction( mActionImportColors );
142 schemeMenu->addAction( mActionExportColors );
143 schemeMenu->addSeparator();
144 schemeMenu->addAction( mActionNewPalette );
145 schemeMenu->addAction( mActionImportPalette );
146 schemeMenu->addAction( mActionRemovePalette );
147 schemeMenu->addAction( mActionShowInButtons );
148 mSchemeToolButton->setMenu( schemeMenu );
149
150 connect( mSchemeComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCompoundColorWidget::schemeIndexChanged );
151 connect( mSchemeList, &QgsColorSchemeList::colorSelected, this, &QgsCompoundColorWidget::_setColor );
152
153 mOldColorLabel->hide();
154
155 mVerticalRamp->setOrientation( QgsColorRampWidget::Vertical );
156 mVerticalRamp->setInteriorMargin( 2 );
157 mVerticalRamp->setShowFrame( true );
158
159 mRedSlider->setComponent( QgsColorWidget::Red );
160 mGreenSlider->setComponent( QgsColorWidget::Green );
161 mBlueSlider->setComponent( QgsColorWidget::Blue );
162 mHueSlider->setComponent( QgsColorWidget::Hue );
163 mSaturationSlider->setComponent( QgsColorWidget::Saturation );
164 mValueSlider->setComponent( QgsColorWidget::Value );
165 mAlphaSlider->setComponent( QgsColorWidget::Alpha );
166 mCyanSlider->setComponent( QgsColorWidget::Cyan );
167 mMagentaSlider->setComponent( QgsColorWidget::Magenta );
168 mYellowSlider->setComponent( QgsColorWidget::Yellow );
169 mBlackSlider->setComponent( QgsColorWidget::Black );
170
171 mSwatchButton1->setShowMenu( false );
172 mSwatchButton1->setBehavior( QgsColorButton::SignalOnly );
173 mSwatchButton2->setShowMenu( false );
174 mSwatchButton2->setBehavior( QgsColorButton::SignalOnly );
175 mSwatchButton3->setShowMenu( false );
176 mSwatchButton3->setBehavior( QgsColorButton::SignalOnly );
177 mSwatchButton4->setShowMenu( false );
178 mSwatchButton4->setBehavior( QgsColorButton::SignalOnly );
179 mSwatchButton5->setShowMenu( false );
180 mSwatchButton5->setBehavior( QgsColorButton::SignalOnly );
181 mSwatchButton6->setShowMenu( false );
182 mSwatchButton6->setBehavior( QgsColorButton::SignalOnly );
183 mSwatchButton7->setShowMenu( false );
184 mSwatchButton7->setBehavior( QgsColorButton::SignalOnly );
185 mSwatchButton8->setShowMenu( false );
186 mSwatchButton8->setBehavior( QgsColorButton::SignalOnly );
187 mSwatchButton9->setShowMenu( false );
188 mSwatchButton9->setBehavior( QgsColorButton::SignalOnly );
189 mSwatchButton10->setShowMenu( false );
190 mSwatchButton10->setBehavior( QgsColorButton::SignalOnly );
191 mSwatchButton11->setShowMenu( false );
192 mSwatchButton11->setBehavior( QgsColorButton::SignalOnly );
193 mSwatchButton12->setShowMenu( false );
194 mSwatchButton12->setBehavior( QgsColorButton::SignalOnly );
195 mSwatchButton13->setShowMenu( false );
196 mSwatchButton13->setBehavior( QgsColorButton::SignalOnly );
197 mSwatchButton14->setShowMenu( false );
198 mSwatchButton14->setBehavior( QgsColorButton::SignalOnly );
199 mSwatchButton15->setShowMenu( false );
200 mSwatchButton15->setBehavior( QgsColorButton::SignalOnly );
201 mSwatchButton16->setShowMenu( false );
202 mSwatchButton16->setBehavior( QgsColorButton::SignalOnly );
203 //restore custom colors
204 mSwatchButton1->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor1" ), QVariant( QColor() ) ).value<QColor>() );
205 mSwatchButton2->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor2" ), QVariant( QColor() ) ).value<QColor>() );
206 mSwatchButton3->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor3" ), QVariant( QColor() ) ).value<QColor>() );
207 mSwatchButton4->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor4" ), QVariant( QColor() ) ).value<QColor>() );
208 mSwatchButton5->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor5" ), QVariant( QColor() ) ).value<QColor>() );
209 mSwatchButton6->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor6" ), QVariant( QColor() ) ).value<QColor>() );
210 mSwatchButton7->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor7" ), QVariant( QColor() ) ).value<QColor>() );
211 mSwatchButton8->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor8" ), QVariant( QColor() ) ).value<QColor>() );
212 mSwatchButton9->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor9" ), QVariant( QColor() ) ).value<QColor>() );
213 mSwatchButton10->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor10" ), QVariant( QColor() ) ).value<QColor>() );
214 mSwatchButton11->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor11" ), QVariant( QColor() ) ).value<QColor>() );
215 mSwatchButton12->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor12" ), QVariant( QColor() ) ).value<QColor>() );
216 mSwatchButton13->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor13" ), QVariant( QColor() ) ).value<QColor>() );
217 mSwatchButton14->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor14" ), QVariant( QColor() ) ).value<QColor>() );
218 mSwatchButton15->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor15" ), QVariant( QColor() ) ).value<QColor>() );
219 mSwatchButton16->setColor( settings.value( QStringLiteral( "Windows/ColorDialog/customColor16" ), QVariant( QColor() ) ).value<QColor>() );
220
221 //restore sample radius
222 mSpinBoxRadius->setValue( settings.value( QStringLiteral( "Windows/ColorDialog/sampleRadius" ), 1 ).toInt() );
223 mSamplePreview->setColor( QColor() );
224
225 // hidpi friendly sizes
226 const int swatchWidth = static_cast<int>( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.9 * mSwatchButton1->fontMetrics().height(), 38.0 ) ) );
227 const int swatchHeight = static_cast<int>( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.5 * mSwatchButton1->fontMetrics().height(), 30.0 ) ) );
228 mSwatchButton1->setMinimumSize( swatchWidth, swatchHeight );
229 mSwatchButton1->setMaximumSize( swatchWidth, swatchHeight );
230 mSwatchButton2->setMinimumSize( swatchWidth, swatchHeight );
231 mSwatchButton2->setMaximumSize( swatchWidth, swatchHeight );
232 mSwatchButton3->setMinimumSize( swatchWidth, swatchHeight );
233 mSwatchButton3->setMaximumSize( swatchWidth, swatchHeight );
234 mSwatchButton4->setMinimumSize( swatchWidth, swatchHeight );
235 mSwatchButton4->setMaximumSize( swatchWidth, swatchHeight );
236 mSwatchButton5->setMinimumSize( swatchWidth, swatchHeight );
237 mSwatchButton5->setMaximumSize( swatchWidth, swatchHeight );
238 mSwatchButton6->setMinimumSize( swatchWidth, swatchHeight );
239 mSwatchButton6->setMaximumSize( swatchWidth, swatchHeight );
240 mSwatchButton7->setMinimumSize( swatchWidth, swatchHeight );
241 mSwatchButton7->setMaximumSize( swatchWidth, swatchHeight );
242 mSwatchButton8->setMinimumSize( swatchWidth, swatchHeight );
243 mSwatchButton8->setMaximumSize( swatchWidth, swatchHeight );
244 mSwatchButton9->setMinimumSize( swatchWidth, swatchHeight );
245 mSwatchButton9->setMaximumSize( swatchWidth, swatchHeight );
246 mSwatchButton10->setMinimumSize( swatchWidth, swatchHeight );
247 mSwatchButton10->setMaximumSize( swatchWidth, swatchHeight );
248 mSwatchButton11->setMinimumSize( swatchWidth, swatchHeight );
249 mSwatchButton11->setMaximumSize( swatchWidth, swatchHeight );
250 mSwatchButton12->setMinimumSize( swatchWidth, swatchHeight );
251 mSwatchButton12->setMaximumSize( swatchWidth, swatchHeight );
252 mSwatchButton13->setMinimumSize( swatchWidth, swatchHeight );
253 mSwatchButton13->setMaximumSize( swatchWidth, swatchHeight );
254 mSwatchButton14->setMinimumSize( swatchWidth, swatchHeight );
255 mSwatchButton14->setMaximumSize( swatchWidth, swatchHeight );
256 mSwatchButton15->setMinimumSize( swatchWidth, swatchHeight );
257 mSwatchButton15->setMaximumSize( swatchWidth, swatchHeight );
258 mSwatchButton16->setMinimumSize( swatchWidth, swatchHeight );
259 mSwatchButton16->setMaximumSize( swatchWidth, swatchHeight );
260 const int previewHeight = static_cast<int>( std::round( std::max( Qgis::UI_SCALE_FACTOR * 2.0 * mSwatchButton1->fontMetrics().height(), 40.0 ) ) );
261 mColorPreview->setMinimumSize( 0, previewHeight );
262 mPreviewWidget->setMaximumHeight( previewHeight * 2 );
263 const int swatchAddSize = static_cast<int>( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.4 * mSwatchButton1->fontMetrics().height(), 28.0 ) ) );
264 mAddCustomColorButton->setMinimumWidth( swatchAddSize );
265 mAddCustomColorButton->setMaximumWidth( swatchAddSize );
266
267 const int iconSize = QgsGuiUtils::scaleIconSize( 16 );
268 mTabWidget->setIconSize( QSize( iconSize, iconSize ) );
269
270 setColor( color );
271
272 // restore active Rgb/Cmyk component radio button
273 const int activeRgbRadio = settings.value( QStringLiteral( "Windows/ColorDialog/activeComponent" ), 2 ).toInt();
274 if ( QAbstractButton *rgbRadio = mRgbGroup->button( activeRgbRadio ) )
275 rgbRadio->setChecked( true );
276
277 const int activeCmykRadio = settings.value( QStringLiteral( "Windows/ColorDialog/activeCmykComponent" ), 0 ).toInt();
278 if ( QAbstractButton *cmykRadio = mCmykGroup->button( activeCmykRadio ) )
279 cmykRadio->setChecked( true );
280
281 const int currentTab = settings.value( QStringLiteral( "Windows/ColorDialog/activeTab" ), 0 ).toInt();
282 mTabWidget->setCurrentIndex( currentTab );
283
284 //setup connections
285 connect( mColorBox, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
286 connect( mColorWheel, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
287 connect( mColorText, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
288 connect( mVerticalRamp, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
289 connect( mRedSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
290 connect( mGreenSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
291 connect( mBlueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
292 connect( mHueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
293 connect( mValueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
294 connect( mCyanSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
295 connect( mMagentaSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
296 connect( mYellowSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
297 connect( mBlackSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
298 connect( mSaturationSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
299 connect( mAlphaSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
300 connect( mColorPreview, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
301 connect( mSwatchButton1, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
302 connect( mSwatchButton2, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
303 connect( mSwatchButton3, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
304 connect( mSwatchButton4, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
305 connect( mSwatchButton5, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
306 connect( mSwatchButton6, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
307 connect( mSwatchButton7, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
308 connect( mSwatchButton8, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
309 connect( mSwatchButton9, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
310 connect( mSwatchButton10, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
311 connect( mSwatchButton11, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
312 connect( mSwatchButton12, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
313 connect( mSwatchButton13, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
314 connect( mSwatchButton14, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
315 connect( mSwatchButton15, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
316 connect( mSwatchButton16, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
317}
318
326
327QColor QgsCompoundColorWidget::color() const
328{
329 //all widgets should have the same color, so it shouldn't matter
330 //which we fetch it from
331 return mColorPreview->color();
332}
333
334void QgsCompoundColorWidget::setAllowOpacity( const bool allowOpacity )
335{
336 mAllowAlpha = allowOpacity;
337 mAlphaLabel->setVisible( allowOpacity );
338 mAlphaSlider->setVisible( allowOpacity );
339 mColorText->setAllowOpacity( allowOpacity );
340 if ( !allowOpacity )
341 {
342 mAlphaLayout->setContentsMargins( 0, 0, 0, 0 );
343 mAlphaLayout->setSpacing( 0 );
344 }
345}
346
347void QgsCompoundColorWidget::setColorModelEditable( bool colorModelEditable )
348{
349 mColorModel->setVisible( colorModelEditable );
350}
351
352void QgsCompoundColorWidget::refreshSchemeComboBox()
353{
354 mSchemeComboBox->blockSignals( true );
355 mSchemeComboBox->clear();
356 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
357 QList<QgsColorScheme *>::const_iterator schemeIt = schemeList.constBegin();
358 for ( ; schemeIt != schemeList.constEnd(); ++schemeIt )
359 {
360 mSchemeComboBox->addItem( ( *schemeIt )->schemeName() );
361 }
362 mSchemeComboBox->blockSignals( false );
363}
364
365
366QgsUserColorScheme *QgsCompoundColorWidget::importUserPaletteFromFile( QWidget *parent )
367{
368 QgsSettings s;
369 const QString lastDir = s.value( QStringLiteral( "/UI/lastGplPaletteDir" ), QDir::homePath() ).toString();
370 const QString filePath = QFileDialog::getOpenFileName( parent, tr( "Select Palette File" ), lastDir, QStringLiteral( "GPL (*.gpl);;All files (*.*)" ) );
371 if ( parent )
372 parent->activateWindow();
373 if ( filePath.isEmpty() )
374 {
375 return nullptr;
376 }
377
378 //check if file exists
379 const QFileInfo fileInfo( filePath );
380 if ( !fileInfo.exists() || !fileInfo.isReadable() )
381 {
382 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "Error, file does not exist or is not readable." ) );
383 return nullptr;
384 }
385
386 s.setValue( QStringLiteral( "/UI/lastGplPaletteDir" ), fileInfo.absolutePath() );
387 QFile file( filePath );
388
389 QgsNamedColorList importedColors;
390 bool ok = false;
391 QString paletteName;
392 importedColors = QgsSymbolLayerUtils::importColorsFromGpl( file, ok, paletteName );
393 if ( !ok )
394 {
395 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "Palette file is not readable." ) );
396 return nullptr;
397 }
398
399 if ( importedColors.length() == 0 )
400 {
401 //no imported colors
402 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "No colors found in palette file." ) );
403 return nullptr;
404 }
405
406 //TODO - handle conflicting file names, name for new palette
407 QgsUserColorScheme *importedScheme = new QgsUserColorScheme( fileInfo.fileName() );
408 importedScheme->setName( paletteName );
409 importedScheme->setColors( importedColors );
410
411 QgsApplication::colorSchemeRegistry()->addColorScheme( importedScheme );
412 return importedScheme;
413}
414
415void QgsCompoundColorWidget::importPalette()
416{
417 if ( importUserPaletteFromFile( this ) )
418 {
419 //refresh combobox
420 refreshSchemeComboBox();
421 mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
422 }
423}
424
425
426bool QgsCompoundColorWidget::removeUserPalette( QgsUserColorScheme *scheme, QWidget *parent )
427{
428 if ( QMessageBox::question( parent, tr( "Remove Color Palette" ), tr( "Are you sure you want to remove %1?" ).arg( scheme->schemeName() ), QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) != QMessageBox::Yes )
429 {
430 //user canceled
431 return false;
432 }
433
434 //remove palette and associated gpl file
435 if ( !scheme->erase() )
436 {
437 //something went wrong
438 return false;
439 }
440
441 //remove scheme from registry
442 QgsApplication::colorSchemeRegistry()->removeColorScheme( scheme );
443 return true;
444}
445
446void QgsCompoundColorWidget::removePalette()
447{
448 //get current scheme
449 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
450 int prevIndex = mSchemeComboBox->currentIndex();
451 if ( prevIndex >= schemeList.length() )
452 {
453 return;
454 }
455
456 //make user scheme is a user removable scheme
457 QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( schemeList.at( prevIndex ) );
458 if ( !userScheme )
459 {
460 return;
461 }
462
463 if ( removeUserPalette( userScheme, this ) )
464 {
465 refreshSchemeComboBox();
466 prevIndex = std::max( std::min( prevIndex, mSchemeComboBox->count() - 1 ), 0 );
467 mSchemeComboBox->setCurrentIndex( prevIndex );
468 }
469}
470
471QgsUserColorScheme *QgsCompoundColorWidget::createNewUserPalette( QWidget *parent )
472{
473 bool ok = false;
474 const QString name = QInputDialog::getText( parent, tr( "Create New Palette" ), tr( "Enter a name for the new palette:" ), QLineEdit::Normal, tr( "New palette" ), &ok );
475
476 if ( !ok || name.isEmpty() )
477 {
478 //user canceled
479 return nullptr;
480 }
481
482 //generate file name for new palette
483 const QDir palettePath( gplFilePath() );
484 const thread_local QRegularExpression badChars( "[,^@={}\\[\\]~!?:&*\"|#%<>$\"'();`' /\\\\]" );
485 QString filename = name.simplified().toLower().replace( badChars, QStringLiteral( "_" ) );
486 if ( filename.isEmpty() )
487 {
488 filename = tr( "new_palette" );
489 }
490 QFileInfo destFileInfo( palettePath.filePath( filename + ".gpl" ) );
491 int fileNumber = 1;
492 while ( destFileInfo.exists() )
493 {
494 //try to generate a unique file name
495 destFileInfo = QFileInfo( palettePath.filePath( filename + QStringLiteral( "%1.gpl" ).arg( fileNumber ) ) );
496 fileNumber++;
497 }
498
499 QgsUserColorScheme *newScheme = new QgsUserColorScheme( destFileInfo.fileName() );
500 newScheme->setName( name );
501
502 QgsApplication::colorSchemeRegistry()->addColorScheme( newScheme );
503 return newScheme;
504}
505
506void QgsCompoundColorWidget::newPalette()
507{
508 if ( createNewUserPalette( this ) )
509 {
510 //refresh combobox and set new scheme as active
511 refreshSchemeComboBox();
512 mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
513 }
514}
515
516QString QgsCompoundColorWidget::gplFilePath()
517{
518 QString palettesDir = QgsApplication::qgisSettingsDirPath() + "palettes";
519
520 const QDir localDir;
521 if ( !localDir.mkpath( palettesDir ) )
522 {
523 return QString();
524 }
525
526 return palettesDir;
527}
528
529void QgsCompoundColorWidget::schemeIndexChanged( int index )
530{
531 //save changes to scheme
532 if ( mSchemeList->isDirty() )
533 {
534 mSchemeList->saveColorsToScheme();
535 }
536
537 //get schemes with ShowInColorDialog set
538 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
539 if ( index >= schemeList.length() )
540 {
541 return;
542 }
543
544 QgsColorScheme *scheme = schemeList.at( index );
545 mSchemeList->setScheme( scheme );
546
547 updateActionsForCurrentScheme();
548
549 //copy action defaults to disabled
550 mActionCopyColors->setEnabled( false );
551}
552
553void QgsCompoundColorWidget::listSelectionChanged( const QItemSelection &selected, const QItemSelection &deselected )
554{
555 Q_UNUSED( deselected )
556 mActionCopyColors->setEnabled( selected.length() > 0 );
557}
558
559void QgsCompoundColorWidget::mAddCustomColorButton_clicked()
560{
561 switch ( mLastCustomColorIndex )
562 {
563 case 0:
564 mSwatchButton1->setColor( mColorPreview->color() );
565 break;
566 case 1:
567 mSwatchButton2->setColor( mColorPreview->color() );
568 break;
569 case 2:
570 mSwatchButton3->setColor( mColorPreview->color() );
571 break;
572 case 3:
573 mSwatchButton4->setColor( mColorPreview->color() );
574 break;
575 case 4:
576 mSwatchButton5->setColor( mColorPreview->color() );
577 break;
578 case 5:
579 mSwatchButton6->setColor( mColorPreview->color() );
580 break;
581 case 6:
582 mSwatchButton7->setColor( mColorPreview->color() );
583 break;
584 case 7:
585 mSwatchButton8->setColor( mColorPreview->color() );
586 break;
587 case 8:
588 mSwatchButton9->setColor( mColorPreview->color() );
589 break;
590 case 9:
591 mSwatchButton10->setColor( mColorPreview->color() );
592 break;
593 case 10:
594 mSwatchButton11->setColor( mColorPreview->color() );
595 break;
596 case 11:
597 mSwatchButton12->setColor( mColorPreview->color() );
598 break;
599 case 12:
600 mSwatchButton13->setColor( mColorPreview->color() );
601 break;
602 case 13:
603 mSwatchButton14->setColor( mColorPreview->color() );
604 break;
605 case 14:
606 mSwatchButton15->setColor( mColorPreview->color() );
607 break;
608 case 15:
609 mSwatchButton16->setColor( mColorPreview->color() );
610 break;
611 }
612 mLastCustomColorIndex++;
613 if ( mLastCustomColorIndex >= 16 )
614 {
615 mLastCustomColorIndex = 0;
616 }
617}
618
619void QgsCompoundColorWidget::mSampleButton_clicked()
620{
621 //activate picker color
622 setCursor( QgsApplication::getThemeCursor( QgsApplication::Cursor::Sampler ) );
623 grabMouse();
624 grabKeyboard();
625 mPickingColor = true;
626 setMouseTracking( true );
627}
628
629void QgsCompoundColorWidget::mTabWidget_currentChanged( int index )
630{
631 //disable radio buttons if not using the first tab, as they have no meaning for other tabs
632 const bool enabled = index == 0;
633 const QList<QRadioButton *> colorRadios { mHueRadio, mSaturationRadio, mValueRadio, mRedRadio, mGreenRadio, mBlueRadio, mCyanRadio, mMagentaRadio, mYellowRadio, mBlackRadio };
634 for ( QRadioButton *colorRadio : colorRadios )
635 colorRadio->setEnabled( enabled );
636}
637
638void QgsCompoundColorWidget::mActionShowInButtons_toggled( bool state )
639{
640 QgsUserColorScheme *scheme = dynamic_cast<QgsUserColorScheme *>( mSchemeList->scheme() );
641 if ( scheme )
642 {
643 scheme->setShowSchemeInMenu( state );
644 }
645}
646
647QScreen *QgsCompoundColorWidget::findScreenAt( QPoint pos )
648{
649 const QList<QScreen *> screens = QGuiApplication::screens();
650 for ( QScreen *screen : screens )
651 {
652 if ( screen->geometry().contains( pos ) )
653 {
654 return screen;
655 }
656 }
657 return nullptr;
658}
659
660void QgsCompoundColorWidget::saveSettings()
661{
662 //save changes to scheme
663 if ( mSchemeList->isDirty() )
664 {
665 mSchemeList->saveColorsToScheme();
666 }
667
668 QgsSettings settings;
669
670 // record active component
671 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeComponent" ), mRgbGroup->checkedId() );
672 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeCmykComponent" ), mCmykGroup->checkedId() );
673
674 //record current scheme
675 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeScheme" ), mSchemeComboBox->currentIndex() );
676
677 //record current tab
678 settings.setValue( QStringLiteral( "Windows/ColorDialog/activeTab" ), mTabWidget->currentIndex() );
679
680 //record custom colors
681 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor1" ), QVariant( mSwatchButton1->color() ) );
682 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor2" ), QVariant( mSwatchButton2->color() ) );
683 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor3" ), QVariant( mSwatchButton3->color() ) );
684 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor4" ), QVariant( mSwatchButton4->color() ) );
685 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor5" ), QVariant( mSwatchButton5->color() ) );
686 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor6" ), QVariant( mSwatchButton6->color() ) );
687 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor7" ), QVariant( mSwatchButton7->color() ) );
688 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor8" ), QVariant( mSwatchButton8->color() ) );
689 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor9" ), QVariant( mSwatchButton9->color() ) );
690 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor10" ), QVariant( mSwatchButton10->color() ) );
691 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor11" ), QVariant( mSwatchButton11->color() ) );
692 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor12" ), QVariant( mSwatchButton12->color() ) );
693 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor13" ), QVariant( mSwatchButton13->color() ) );
694 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor14" ), QVariant( mSwatchButton14->color() ) );
695 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor15" ), QVariant( mSwatchButton15->color() ) );
696 settings.setValue( QStringLiteral( "Windows/ColorDialog/customColor16" ), QVariant( mSwatchButton16->color() ) );
697
698 //sample radius
699 settings.setValue( QStringLiteral( "Windows/ColorDialog/sampleRadius" ), mSpinBoxRadius->value() );
700}
701
702void QgsCompoundColorWidget::stopPicking( QPoint eventPos, const bool takeSample )
703{
704 //release mouse and keyboard, and reset cursor
705 releaseMouse();
706 releaseKeyboard();
707 unsetCursor();
708 setMouseTracking( false );
709 mPickingColor = false;
710
711 if ( !takeSample )
712 {
713 //not sampling color, nothing more to do
714 return;
715 }
716
717 //grab snapshot of pixel under mouse cursor
718 const QColor snappedColor = sampleColor( eventPos );
719 mSamplePreview->setColor( snappedColor );
720 mColorPreview->setColor( snappedColor, true );
721}
722
723void QgsCompoundColorWidget::setColor( const QColor &color )
724{
725 const QColor::Spec colorSpec = color.spec() == QColor::Cmyk ? QColor::Cmyk : QColor::Rgb;
726 mColorModel->setCurrentIndex( mColorModel->findData( colorSpec ) );
727 mRGB->setVisible( colorSpec != QColor::Cmyk );
728 mCMYK->setVisible( colorSpec == QColor::Cmyk );
729 _setColor( color );
730}
731
732void QgsCompoundColorWidget::_setColor( const QColor &color )
733{
734 if ( !color.isValid() )
735 {
736 return;
737 }
738
739 QColor fixedColor = QColor( color );
740 if ( !mAllowAlpha )
741 {
742 //opacity disallowed, so don't permit transparent colors
743 fixedColor.setAlpha( 255 );
744 }
745
746 if ( mColorModel->currentIndex() && fixedColor.spec() != QColor::Cmyk )
747 {
748 fixedColor = fixedColor.toCmyk();
749 }
750
751 const QList<QgsColorWidget *> colorWidgets = this->findChildren<QgsColorWidget *>();
752 const auto constColorWidgets = colorWidgets;
753 for ( QgsColorWidget *widget : constColorWidgets )
754 {
755 if ( widget == mSamplePreview )
756 {
757 continue;
758 }
759 widget->blockSignals( true );
760 widget->setColor( fixedColor );
761 widget->blockSignals( false );
762 }
763
764
765 emit currentColorChanged( fixedColor );
766}
767
768void QgsCompoundColorWidget::setPreviousColor( const QColor &color )
769{
770 mOldColorLabel->setVisible( color.isValid() );
771 mColorPreview->setColor2( color );
772}
773
774void QgsCompoundColorWidget::hideEvent( QHideEvent *e )
775{
776 saveSettings();
777 QWidget::hideEvent( e );
778}
779
780void QgsCompoundColorWidget::mousePressEvent( QMouseEvent *e )
781{
782 if ( mPickingColor )
783 {
784 //don't show dialog if in color picker mode
785 e->accept();
786 return;
787 }
788
789 QWidget::mousePressEvent( e );
790}
791
792QColor QgsCompoundColorWidget::averageColor( const QImage &image ) const
793{
794 QRgb tmpRgb;
795 int colorCount = 0;
796 int sumRed = 0;
797 int sumBlue = 0;
798 int sumGreen = 0;
799 //scan through image and sum rgb components
800 for ( int heightIndex = 0; heightIndex < image.height(); ++heightIndex )
801 {
802 const QRgb *scanLine = reinterpret_cast<const QRgb *>( image.constScanLine( heightIndex ) );
803 for ( int widthIndex = 0; widthIndex < image.width(); ++widthIndex )
804 {
805 tmpRgb = scanLine[widthIndex];
806 sumRed += qRed( tmpRgb );
807 sumBlue += qBlue( tmpRgb );
808 sumGreen += qGreen( tmpRgb );
809 colorCount++;
810 }
811 }
812 //calculate average components as floats
813 const double avgRed = static_cast<double>( sumRed ) / ( 255.0 * colorCount );
814 const double avgGreen = static_cast<double>( sumGreen ) / ( 255.0 * colorCount );
815 const double avgBlue = static_cast<double>( sumBlue ) / ( 255.0 * colorCount );
816
817 //create a new color representing the average
818 return QColor::fromRgbF( avgRed, avgGreen, avgBlue );
819}
820
821QColor QgsCompoundColorWidget::sampleColor( QPoint point ) const
822{
823 const int sampleRadius = mSpinBoxRadius->value() - 1;
824 QScreen *screen = findScreenAt( point );
825 if ( !screen )
826 {
827 return QColor();
828 }
829
830 const int x = point.x() - screen->geometry().left();
831 const int y = point.y() - screen->geometry().top();
832 const QPixmap snappedPixmap = screen->grabWindow( 0, x - sampleRadius, y - sampleRadius, 1 + sampleRadius * 2, 1 + sampleRadius * 2 );
833 const QImage snappedImage = snappedPixmap.toImage();
834 //scan all pixels and take average color
835 return averageColor( snappedImage );
836}
837
838void QgsCompoundColorWidget::mouseMoveEvent( QMouseEvent *e )
839{
840 if ( mPickingColor )
841 {
842 //currently in color picker mode
843 //sample color under cursor update preview widget to give feedback to user
844 const QColor hoverColor = sampleColor( e->globalPos() );
845 mSamplePreview->setColor( hoverColor );
846
847 e->accept();
848 return;
849 }
850
851 QWidget::mouseMoveEvent( e );
852}
853
854void QgsCompoundColorWidget::mouseReleaseEvent( QMouseEvent *e )
855{
856 if ( mPickingColor )
857 {
858 //end color picking operation by sampling the color under cursor
859 stopPicking( e->globalPos() );
860 e->accept();
861 return;
862 }
863
864 QWidget::mouseReleaseEvent( e );
865}
866
867void QgsCompoundColorWidget::keyPressEvent( QKeyEvent *e )
868{
869 if ( !mPickingColor )
870 {
871 //if not picking a color, use default tool button behavior
872 QgsPanelWidget::keyPressEvent( e );
873 return;
874 }
875
876 //cancel picking, sampling the color if space was pressed
877 stopPicking( QCursor::pos(), e->key() == Qt::Key_Space );
878}
879
880
881void QgsCompoundColorWidget::updateComponent()
882{
883 const bool isCmyk = mColorModel->currentData().toInt() == QColor::Spec::Cmyk;
884 const auto radios = isCmyk ? mCmykRadios : mRgbRadios;
885 const QButtonGroup *group = isCmyk ? mCmykGroup : mRgbGroup;
886
887 const int id = group->checkedId();
888 if ( id >= 0 && id < radios.count() )
889 {
890 const QgsColorWidget::ColorComponent component = radios.at( group->checkedId() ).second;
891 mColorBox->setComponent( component );
892 mVerticalRamp->setComponent( component );
893 }
894}
895
896void QgsCompoundColorWidget::onColorButtonGroupToggled( int, bool checked )
897{
898 if ( checked )
899 updateComponent();
900}
901
902void QgsCompoundColorWidget::mAddColorToSchemeButton_clicked()
903{
904 mSchemeList->addColor( mColorPreview->color(), QgsSymbolLayerUtils::colorToName( mColorPreview->color() ) );
905}
906
907void QgsCompoundColorWidget::updateActionsForCurrentScheme()
908{
909 QgsColorScheme *scheme = mSchemeList->scheme();
910
911 mActionImportColors->setEnabled( scheme->isEditable() );
912 mActionPasteColors->setEnabled( scheme->isEditable() );
913 mAddColorToSchemeButton->setEnabled( scheme->isEditable() );
914 mRemoveColorsFromSchemeButton->setEnabled( scheme->isEditable() );
915
916 QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( scheme );
917 mActionRemovePalette->setEnabled( static_cast<bool>( userScheme ) );
918 if ( userScheme )
919 {
920 mActionShowInButtons->setEnabled( true );
921 whileBlocking( mActionShowInButtons )->setChecked( userScheme->flags() & QgsColorScheme::ShowInColorButtonMenu );
922 }
923 else
924 {
925 whileBlocking( mActionShowInButtons )->setChecked( false );
926 mActionShowInButtons->setEnabled( false );
927 }
928}
Qgis::UI_SCALE_FACTOR
static const double UI_SCALE_FACTOR
UI scaling factor.
Definition qgis.h:5733
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:64
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:566
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:47
QgsColorWidget::Hue
@ Hue
Hue component of color (based on HSV model)
Definition qgscolorwidgets.h:52
QgsColorWidget::Alpha
@ Alpha
Alpha component (opacity) of color.
Definition qgscolorwidgets.h:55
QgsColorWidget::Green
@ Green
Green component of color.
Definition qgscolorwidgets.h:50
QgsColorWidget::Red
@ Red
Red component of color.
Definition qgscolorwidgets.h:49
QgsColorWidget::Saturation
@ Saturation
Saturation component of color (based on HSV model)
Definition qgscolorwidgets.h:53
QgsColorWidget::Magenta
@ Magenta
Magenta component (based on CMYK model) of color.
Definition qgscolorwidgets.h:57
QgsColorWidget::Yellow
@ Yellow
Yellow component (based on CMYK model) of color.
Definition qgscolorwidgets.h:58
QgsColorWidget::Black
@ Black
Black component (based on CMYK model) of color.
Definition qgscolorwidgets.h:59
QgsColorWidget::Cyan
@ Cyan
Cyan component (based on CMYK model) of color.
Definition qgscolorwidgets.h:56
QgsColorWidget::Blue
@ Blue
Blue component of color.
Definition qgscolorwidgets.h:51
QgsColorWidget::Value
@ Value
Value component of color (based on HSV model)
Definition qgscolorwidgets.h:54
QgsCompoundColorWidget::LayoutVertical
@ LayoutVertical
Use a narrower, vertically stacked layout.
Definition qgscompoundcolorwidget.h:43
QgsCompoundColorWidget::currentColorChanged
void currentColorChanged(const QColor &color)
Emitted when the dialog's color changes.
QgsCompoundColorWidget::hideEvent
void hideEvent(QHideEvent *e) override
Definition qgscompoundcolorwidget.cpp:774
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:780
QgsCompoundColorWidget::setColorModelEditable
void setColorModelEditable(bool colorModelEditable)
Sets whether color model is editable or not.
Definition qgscompoundcolorwidget.cpp:347
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:366
QgsCompoundColorWidget::setPreviousColor
void setPreviousColor(const QColor &color)
Sets the color to show in an optional "previous color" section.
Definition qgscompoundcolorwidget.cpp:768
QgsCompoundColorWidget::removeUserPalette
static bool removeUserPalette(QgsUserColorScheme *scheme, QWidget *parent)
Triggers a user prompt for removing an existing user color scheme.
Definition qgscompoundcolorwidget.cpp:426
QgsCompoundColorWidget::createNewUserPalette
static QgsUserColorScheme * createNewUserPalette(QWidget *parent)
Triggers a user prompt for creating a new user color scheme.
Definition qgscompoundcolorwidget.cpp:471
QgsCompoundColorWidget::mouseMoveEvent
void mouseMoveEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:838
QgsCompoundColorWidget::setAllowOpacity
void setAllowOpacity(bool allowOpacity)
Sets whether opacity modification (transparency) is permitted for the color dialog.
Definition qgscompoundcolorwidget.cpp:334
QgsCompoundColorWidget::setColor
void setColor(const QColor &color)
Sets the current color for the dialog.
Definition qgscompoundcolorwidget.cpp:723
QgsCompoundColorWidget::keyPressEvent
void keyPressEvent(QKeyEvent *e) override
Definition qgscompoundcolorwidget.cpp:867
QgsCompoundColorWidget::color
QColor color() const
Returns the current color for the dialog.
Definition qgscompoundcolorwidget.cpp:327
QgsCompoundColorWidget::mouseReleaseEvent
void mouseReleaseEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:854
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:3819
QgsSymbolLayerUtils::colorToName
static QString colorToName(const QColor &color)
Returns a friendly display name for a color.
Definition qgssymbollayerutils.cpp:3511
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:261
whileBlocking
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Definition qgis.h:5928
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