QGIS API Documentation 4.1.0-Master (60fea48833c)
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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
18#include "qgsapplication.h"
19#include "qgscolorscheme.h"
20#include "qgscolorschemeregistry.h"
21#include "qgsguiutils.h"
22#include "qgsscreenhelper.h"
23#include "qgssettings.h"
24#include "qgssymbollayerutils.h"
25
26#include <QButtonGroup>
27#include <QFileDialog>
28#include <QHeaderView>
29#include <QInputDialog>
30#include <QMenu>
31#include <QMessageBox>
32#include <QMouseEvent>
33#include <QPushButton>
34#include <QRegularExpression>
35#include <QScreen>
36#include <QString>
37#include <QToolButton>
38#include <QVBoxLayout>
39
40#include "moc_qgscompoundcolorwidget.cpp"
41
42using namespace Qt::StringLiterals;
43
44QgsCompoundColorWidget::QgsCompoundColorWidget( QWidget *parent, const QColor &color, Layout widgetLayout )
45 : QgsPanelWidget( parent )
46{
47 setupUi( this );
48
49 mScreenHelper = new QgsScreenHelper( this );
50
51 mRgbRadios = {
52 { mHueRadio, QgsColorWidget::ColorComponent::Hue },
53 { mSaturationRadio, QgsColorWidget::ColorComponent::Saturation },
54 { mValueRadio, QgsColorWidget::ColorComponent::Value },
55 { mRedRadio, QgsColorWidget::ColorComponent::Red },
56 { mGreenRadio, QgsColorWidget::ColorComponent::Green },
57 { mBlueRadio, QgsColorWidget::ColorComponent::Blue }
58 };
59
60 mCmykRadios
61 = { { mCyanRadio, QgsColorWidget::ColorComponent::Cyan }, { mMagentaRadio, QgsColorWidget::ColorComponent::Magenta }, { mYellowRadio, QgsColorWidget::ColorComponent::Yellow }, { mBlackRadio, QgsColorWidget::ColorComponent::Black } };
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 const QColor::Spec spec = static_cast<QColor::Spec>( mColorModel->currentData().toInt() );
85 if ( spec == QColor::Spec::Cmyk )
86 setColor( this->color().toCmyk() );
87 else
88 setColor( this->color().toRgb() );
89
90 updateComponent();
91 } );
92
93 if ( widgetLayout == LayoutVertical )
94 {
95 // shuffle stuff around
96 QVBoxLayout *newLayout = new QVBoxLayout();
97 newLayout->setContentsMargins( 0, 0, 0, 0 );
98 newLayout->addWidget( mTabWidget );
99 newLayout->addWidget( mSlidersWidget );
100 newLayout->addWidget( mPreviewWidget );
101 newLayout->addWidget( mSwatchesWidget );
102 delete layout();
103 setLayout( newLayout );
104 }
105
106 const QgsSettings settings;
107
108 mSchemeList->header()->hide();
109 mSchemeList->setColumnWidth( 0, static_cast<int>( Qgis::UI_SCALE_FACTOR * fontMetrics().horizontalAdvance( 'X' ) * 6 ) );
110
111 //get schemes with ShowInColorDialog set
112 refreshSchemeComboBox();
113 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
114
115 //choose a reasonable starting scheme
116 int activeScheme = settings.value( u"Windows/ColorDialog/activeScheme"_s, 0 ).toInt();
117 activeScheme = activeScheme >= mSchemeComboBox->count() ? 0 : activeScheme;
118
119 mSchemeList->setScheme( schemeList.at( activeScheme ) );
120
121 mSchemeComboBox->setCurrentIndex( activeScheme );
122 updateActionsForCurrentScheme();
123
124 //listen out for selection changes in list, so we can enable/disable the copy colors option
125 connect( mSchemeList->selectionModel(), &QItemSelectionModel::selectionChanged, this, &QgsCompoundColorWidget::listSelectionChanged );
126 //copy action defaults to disabled
127 mActionCopyColors->setEnabled( false );
128
129 connect( mActionCopyColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::copyColors );
130 connect( mActionPasteColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::pasteColors );
131 connect( mActionExportColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::showExportColorsDialog );
132 connect( mActionImportColors, &QAction::triggered, mSchemeList, &QgsColorSchemeList::showImportColorsDialog );
133 connect( mActionImportPalette, &QAction::triggered, this, &QgsCompoundColorWidget::importPalette );
134 connect( mActionRemovePalette, &QAction::triggered, this, &QgsCompoundColorWidget::removePalette );
135 connect( mActionNewPalette, &QAction::triggered, this, &QgsCompoundColorWidget::newPalette );
136 connect( mRemoveColorsFromSchemeButton, &QAbstractButton::clicked, mSchemeList, &QgsColorSchemeList::removeSelection );
137
138 QMenu *schemeMenu = new QMenu( mSchemeToolButton );
139 schemeMenu->addAction( mActionCopyColors );
140 schemeMenu->addAction( mActionPasteColors );
141 schemeMenu->addSeparator();
142 schemeMenu->addAction( mActionImportColors );
143 schemeMenu->addAction( mActionExportColors );
144 schemeMenu->addSeparator();
145 schemeMenu->addAction( mActionNewPalette );
146 schemeMenu->addAction( mActionImportPalette );
147 schemeMenu->addAction( mActionRemovePalette );
148 schemeMenu->addAction( mActionShowInButtons );
149 mSchemeToolButton->setMenu( schemeMenu );
150
151 connect( mSchemeComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCompoundColorWidget::schemeIndexChanged );
152 connect( mSchemeList, &QgsColorSchemeList::colorSelected, this, &QgsCompoundColorWidget::_setColor );
153
154 mOldColorLabel->hide();
155
156 mVerticalRamp->setOrientation( QgsColorRampWidget::Vertical );
157 mVerticalRamp->setInteriorMargin( 2 );
158 mVerticalRamp->setShowFrame( true );
159
160 mRedSlider->setComponent( QgsColorWidget::Red );
161 mGreenSlider->setComponent( QgsColorWidget::Green );
162 mBlueSlider->setComponent( QgsColorWidget::Blue );
163 mHueSlider->setComponent( QgsColorWidget::Hue );
164 mSaturationSlider->setComponent( QgsColorWidget::Saturation );
165 mValueSlider->setComponent( QgsColorWidget::Value );
166 mAlphaSlider->setComponent( QgsColorWidget::Alpha );
167 mCyanSlider->setComponent( QgsColorWidget::Cyan );
168 mMagentaSlider->setComponent( QgsColorWidget::Magenta );
169 mYellowSlider->setComponent( QgsColorWidget::Yellow );
170 mBlackSlider->setComponent( QgsColorWidget::Black );
171
172 mSwatchButton1->setShowMenu( false );
173 mSwatchButton1->setBehavior( QgsColorButton::SignalOnly );
174 mSwatchButton2->setShowMenu( false );
175 mSwatchButton2->setBehavior( QgsColorButton::SignalOnly );
176 mSwatchButton3->setShowMenu( false );
177 mSwatchButton3->setBehavior( QgsColorButton::SignalOnly );
178 mSwatchButton4->setShowMenu( false );
179 mSwatchButton4->setBehavior( QgsColorButton::SignalOnly );
180 mSwatchButton5->setShowMenu( false );
181 mSwatchButton5->setBehavior( QgsColorButton::SignalOnly );
182 mSwatchButton6->setShowMenu( false );
183 mSwatchButton6->setBehavior( QgsColorButton::SignalOnly );
184 mSwatchButton7->setShowMenu( false );
185 mSwatchButton7->setBehavior( QgsColorButton::SignalOnly );
186 mSwatchButton8->setShowMenu( false );
187 mSwatchButton8->setBehavior( QgsColorButton::SignalOnly );
188 mSwatchButton9->setShowMenu( false );
189 mSwatchButton9->setBehavior( QgsColorButton::SignalOnly );
190 mSwatchButton10->setShowMenu( false );
191 mSwatchButton10->setBehavior( QgsColorButton::SignalOnly );
192 mSwatchButton11->setShowMenu( false );
193 mSwatchButton11->setBehavior( QgsColorButton::SignalOnly );
194 mSwatchButton12->setShowMenu( false );
195 mSwatchButton12->setBehavior( QgsColorButton::SignalOnly );
196 mSwatchButton13->setShowMenu( false );
197 mSwatchButton13->setBehavior( QgsColorButton::SignalOnly );
198 mSwatchButton14->setShowMenu( false );
199 mSwatchButton14->setBehavior( QgsColorButton::SignalOnly );
200 mSwatchButton15->setShowMenu( false );
201 mSwatchButton15->setBehavior( QgsColorButton::SignalOnly );
202 mSwatchButton16->setShowMenu( false );
203 mSwatchButton16->setBehavior( QgsColorButton::SignalOnly );
204 //restore custom colors
205 mSwatchButton1->setColor( settings.value( u"Windows/ColorDialog/customColor1"_s, QVariant( QColor() ) ).value<QColor>() );
206 mSwatchButton2->setColor( settings.value( u"Windows/ColorDialog/customColor2"_s, QVariant( QColor() ) ).value<QColor>() );
207 mSwatchButton3->setColor( settings.value( u"Windows/ColorDialog/customColor3"_s, QVariant( QColor() ) ).value<QColor>() );
208 mSwatchButton4->setColor( settings.value( u"Windows/ColorDialog/customColor4"_s, QVariant( QColor() ) ).value<QColor>() );
209 mSwatchButton5->setColor( settings.value( u"Windows/ColorDialog/customColor5"_s, QVariant( QColor() ) ).value<QColor>() );
210 mSwatchButton6->setColor( settings.value( u"Windows/ColorDialog/customColor6"_s, QVariant( QColor() ) ).value<QColor>() );
211 mSwatchButton7->setColor( settings.value( u"Windows/ColorDialog/customColor7"_s, QVariant( QColor() ) ).value<QColor>() );
212 mSwatchButton8->setColor( settings.value( u"Windows/ColorDialog/customColor8"_s, QVariant( QColor() ) ).value<QColor>() );
213 mSwatchButton9->setColor( settings.value( u"Windows/ColorDialog/customColor9"_s, QVariant( QColor() ) ).value<QColor>() );
214 mSwatchButton10->setColor( settings.value( u"Windows/ColorDialog/customColor10"_s, QVariant( QColor() ) ).value<QColor>() );
215 mSwatchButton11->setColor( settings.value( u"Windows/ColorDialog/customColor11"_s, QVariant( QColor() ) ).value<QColor>() );
216 mSwatchButton12->setColor( settings.value( u"Windows/ColorDialog/customColor12"_s, QVariant( QColor() ) ).value<QColor>() );
217 mSwatchButton13->setColor( settings.value( u"Windows/ColorDialog/customColor13"_s, QVariant( QColor() ) ).value<QColor>() );
218 mSwatchButton14->setColor( settings.value( u"Windows/ColorDialog/customColor14"_s, QVariant( QColor() ) ).value<QColor>() );
219 mSwatchButton15->setColor( settings.value( u"Windows/ColorDialog/customColor15"_s, QVariant( QColor() ) ).value<QColor>() );
220 mSwatchButton16->setColor( settings.value( u"Windows/ColorDialog/customColor16"_s, QVariant( QColor() ) ).value<QColor>() );
221
222 //restore sample radius
223 mSpinBoxRadius->setValue( settings.value( u"Windows/ColorDialog/sampleRadius"_s, 1 ).toInt() );
224 mSamplePreview->setColor( QColor() );
225
226 // hidpi friendly sizes
227 const int swatchWidth = static_cast<int>( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.9 * mSwatchButton1->fontMetrics().height(), 38.0 ) ) );
228 const int swatchHeight = static_cast<int>( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.5 * mSwatchButton1->fontMetrics().height(), 30.0 ) ) );
229 mSwatchButton1->setMinimumSize( swatchWidth, swatchHeight );
230 mSwatchButton1->setMaximumSize( swatchWidth, swatchHeight );
231 mSwatchButton2->setMinimumSize( swatchWidth, swatchHeight );
232 mSwatchButton2->setMaximumSize( swatchWidth, swatchHeight );
233 mSwatchButton3->setMinimumSize( swatchWidth, swatchHeight );
234 mSwatchButton3->setMaximumSize( swatchWidth, swatchHeight );
235 mSwatchButton4->setMinimumSize( swatchWidth, swatchHeight );
236 mSwatchButton4->setMaximumSize( swatchWidth, swatchHeight );
237 mSwatchButton5->setMinimumSize( swatchWidth, swatchHeight );
238 mSwatchButton5->setMaximumSize( swatchWidth, swatchHeight );
239 mSwatchButton6->setMinimumSize( swatchWidth, swatchHeight );
240 mSwatchButton6->setMaximumSize( swatchWidth, swatchHeight );
241 mSwatchButton7->setMinimumSize( swatchWidth, swatchHeight );
242 mSwatchButton7->setMaximumSize( swatchWidth, swatchHeight );
243 mSwatchButton8->setMinimumSize( swatchWidth, swatchHeight );
244 mSwatchButton8->setMaximumSize( swatchWidth, swatchHeight );
245 mSwatchButton9->setMinimumSize( swatchWidth, swatchHeight );
246 mSwatchButton9->setMaximumSize( swatchWidth, swatchHeight );
247 mSwatchButton10->setMinimumSize( swatchWidth, swatchHeight );
248 mSwatchButton10->setMaximumSize( swatchWidth, swatchHeight );
249 mSwatchButton11->setMinimumSize( swatchWidth, swatchHeight );
250 mSwatchButton11->setMaximumSize( swatchWidth, swatchHeight );
251 mSwatchButton12->setMinimumSize( swatchWidth, swatchHeight );
252 mSwatchButton12->setMaximumSize( swatchWidth, swatchHeight );
253 mSwatchButton13->setMinimumSize( swatchWidth, swatchHeight );
254 mSwatchButton13->setMaximumSize( swatchWidth, swatchHeight );
255 mSwatchButton14->setMinimumSize( swatchWidth, swatchHeight );
256 mSwatchButton14->setMaximumSize( swatchWidth, swatchHeight );
257 mSwatchButton15->setMinimumSize( swatchWidth, swatchHeight );
258 mSwatchButton15->setMaximumSize( swatchWidth, swatchHeight );
259 mSwatchButton16->setMinimumSize( swatchWidth, swatchHeight );
260 mSwatchButton16->setMaximumSize( swatchWidth, swatchHeight );
261 const int previewHeight = static_cast<int>( std::round( std::max( Qgis::UI_SCALE_FACTOR * 2.0 * mSwatchButton1->fontMetrics().height(), 40.0 ) ) );
262 mColorPreview->setMinimumSize( 0, previewHeight );
263 mPreviewWidget->setMaximumHeight( previewHeight * 2 );
264 const int swatchAddSize = static_cast<int>( std::round( std::max( Qgis::UI_SCALE_FACTOR * 1.4 * mSwatchButton1->fontMetrics().height(), 28.0 ) ) );
265 mAddCustomColorButton->setMinimumWidth( swatchAddSize );
266 mAddCustomColorButton->setMaximumWidth( swatchAddSize );
267
268 const int iconSize = QgsGuiUtils::scaleIconSize( 16 );
269 mTabWidget->setIconSize( QSize( iconSize, iconSize ) );
270
271 setColor( color );
272
273 // restore active Rgb/Cmyk component radio button
274 const int activeRgbRadio = settings.value( u"Windows/ColorDialog/activeComponent"_s, 2 ).toInt();
275 if ( QAbstractButton *rgbRadio = mRgbGroup->button( activeRgbRadio ) )
276 rgbRadio->setChecked( true );
277
278 const int activeCmykRadio = settings.value( u"Windows/ColorDialog/activeCmykComponent"_s, 0 ).toInt();
279 if ( QAbstractButton *cmykRadio = mCmykGroup->button( activeCmykRadio ) )
280 cmykRadio->setChecked( true );
281
282 const int currentTab = settings.value( u"Windows/ColorDialog/activeTab"_s, 0 ).toInt();
283 mTabWidget->setCurrentIndex( currentTab );
284
285 //setup connections
286 connect( mColorBox, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
287 connect( mColorWheel, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
288 connect( mColorText, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
289 connect( mVerticalRamp, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
290 connect( mRedSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
291 connect( mGreenSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
292 connect( mBlueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
293 connect( mHueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
294 connect( mValueSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
295 connect( mCyanSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
296 connect( mMagentaSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
297 connect( mYellowSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
298 connect( mBlackSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
299 connect( mSaturationSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
300 connect( mAlphaSlider, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
301 connect( mColorPreview, &QgsColorWidget::colorChanged, this, &QgsCompoundColorWidget::_setColor );
302 connect( mSwatchButton1, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
303 connect( mSwatchButton2, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
304 connect( mSwatchButton3, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
305 connect( mSwatchButton4, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
306 connect( mSwatchButton5, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
307 connect( mSwatchButton6, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
308 connect( mSwatchButton7, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
309 connect( mSwatchButton8, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
310 connect( mSwatchButton9, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
311 connect( mSwatchButton10, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
312 connect( mSwatchButton11, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
313 connect( mSwatchButton12, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
314 connect( mSwatchButton13, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
315 connect( mSwatchButton14, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
316 connect( mSwatchButton15, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
317 connect( mSwatchButton16, &QgsColorButton::colorClicked, this, &QgsCompoundColorWidget::_setColor );
318}
319
327
328QColor QgsCompoundColorWidget::color() const
329{
330 //all widgets should have the same color, so it shouldn't matter
331 //which we fetch it from
332 return mColorPreview->color();
333}
334
335void QgsCompoundColorWidget::setAllowOpacity( const bool allowOpacity )
336{
337 mAllowAlpha = allowOpacity;
338 mAlphaLabel->setVisible( allowOpacity );
339 mAlphaSlider->setVisible( allowOpacity );
340 mColorText->setAllowOpacity( allowOpacity );
341 if ( !allowOpacity )
342 {
343 mAlphaLayout->setContentsMargins( 0, 0, 0, 0 );
344 mAlphaLayout->setSpacing( 0 );
345 }
346}
347
348void QgsCompoundColorWidget::setColorModelEditable( bool colorModelEditable )
349{
350 mColorModel->setVisible( colorModelEditable );
351}
352
353void QgsCompoundColorWidget::refreshSchemeComboBox()
354{
355 mSchemeComboBox->blockSignals( true );
356 mSchemeComboBox->clear();
357 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
358 QList<QgsColorScheme *>::const_iterator schemeIt = schemeList.constBegin();
359 for ( ; schemeIt != schemeList.constEnd(); ++schemeIt )
360 {
361 mSchemeComboBox->addItem( ( *schemeIt )->schemeName() );
362 }
363 mSchemeComboBox->blockSignals( false );
364}
365
366
367QgsUserColorScheme *QgsCompoundColorWidget::importUserPaletteFromFile( QWidget *parent )
368{
369 QgsSettings s;
370 const QString lastDir = s.value( u"/UI/lastGplPaletteDir"_s, QDir::homePath() ).toString();
371 const QString filePath = QFileDialog::getOpenFileName( parent, tr( "Select Palette File" ), lastDir, u"GPL (*.gpl);;All files (*.*)"_s );
372 if ( parent )
373 parent->activateWindow();
374 if ( filePath.isEmpty() )
375 {
376 return nullptr;
377 }
378
379 //check if file exists
380 const QFileInfo fileInfo( filePath );
381 if ( !fileInfo.exists() || !fileInfo.isReadable() )
382 {
383 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "Error, file does not exist or is not readable." ) );
384 return nullptr;
385 }
386
387 s.setValue( u"/UI/lastGplPaletteDir"_s, fileInfo.absolutePath() );
388 QFile file( filePath );
389
390 QgsNamedColorList importedColors;
391 bool ok = false;
392 QString paletteName;
393 importedColors = QgsSymbolLayerUtils::importColorsFromGpl( file, ok, paletteName );
394 if ( !ok )
395 {
396 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "Palette file is not readable." ) );
397 return nullptr;
398 }
399
400 if ( importedColors.length() == 0 )
401 {
402 //no imported colors
403 QMessageBox::critical( nullptr, tr( "Import Color Palette" ), tr( "No colors found in palette file." ) );
404 return nullptr;
405 }
406
407 //TODO - handle conflicting file names, name for new palette
408 QgsUserColorScheme *importedScheme = new QgsUserColorScheme( fileInfo.fileName() );
409 importedScheme->setName( paletteName );
410 importedScheme->setColors( importedColors );
411
412 QgsApplication::colorSchemeRegistry()->addColorScheme( importedScheme );
413 return importedScheme;
414}
415
416void QgsCompoundColorWidget::importPalette()
417{
418 if ( importUserPaletteFromFile( this ) )
419 {
420 //refresh combobox
421 refreshSchemeComboBox();
422 mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
423 }
424}
425
426
427bool QgsCompoundColorWidget::removeUserPalette( QgsUserColorScheme *scheme, QWidget *parent )
428{
429 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 )
430 != QMessageBox::Yes )
431 {
432 //user canceled
433 return false;
434 }
435
436 //remove palette and associated gpl file
437 if ( !scheme->erase() )
438 {
439 //something went wrong
440 return false;
441 }
442
443 //remove scheme from registry
444 QgsApplication::colorSchemeRegistry()->removeColorScheme( scheme );
445 return true;
446}
447
448void QgsCompoundColorWidget::removePalette()
449{
450 //get current scheme
451 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
452 int prevIndex = mSchemeComboBox->currentIndex();
453 if ( prevIndex >= schemeList.length() )
454 {
455 return;
456 }
457
458 //make user scheme is a user removable scheme
459 QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( schemeList.at( prevIndex ) );
460 if ( !userScheme )
461 {
462 return;
463 }
464
465 if ( removeUserPalette( userScheme, this ) )
466 {
467 refreshSchemeComboBox();
468 prevIndex = std::max( std::min( prevIndex, mSchemeComboBox->count() - 1 ), 0 );
469 mSchemeComboBox->setCurrentIndex( prevIndex );
470 }
471}
472
473QgsUserColorScheme *QgsCompoundColorWidget::createNewUserPalette( QWidget *parent )
474{
475 bool ok = false;
476 const QString name = QInputDialog::getText( parent, tr( "Create New Palette" ), tr( "Enter a name for the new palette:" ), QLineEdit::Normal, tr( "New palette" ), &ok );
477
478 if ( !ok || name.isEmpty() )
479 {
480 //user canceled
481 return nullptr;
482 }
483
484 //generate file name for new palette
485 const QDir palettePath( gplFilePath() );
486 const thread_local QRegularExpression badChars( "[,^@={}\\[\\]~!?:&*\"|#%<>$\"'();`' /\\\\]" );
487 QString filename = name.simplified().toLower().replace( badChars, u"_"_s );
488 if ( filename.isEmpty() )
489 {
490 filename = tr( "new_palette" );
491 }
492 QFileInfo destFileInfo( palettePath.filePath( filename + ".gpl" ) );
493 int fileNumber = 1;
494 while ( destFileInfo.exists() )
495 {
496 //try to generate a unique file name
497 destFileInfo = QFileInfo( palettePath.filePath( filename + u"%1.gpl"_s.arg( fileNumber ) ) );
498 fileNumber++;
499 }
500
501 QgsUserColorScheme *newScheme = new QgsUserColorScheme( destFileInfo.fileName() );
502 newScheme->setName( name );
503
504 QgsApplication::colorSchemeRegistry()->addColorScheme( newScheme );
505 return newScheme;
506}
507
508void QgsCompoundColorWidget::newPalette()
509{
510 if ( createNewUserPalette( this ) )
511 {
512 //refresh combobox and set new scheme as active
513 refreshSchemeComboBox();
514 mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
515 }
516}
517
518QString QgsCompoundColorWidget::gplFilePath()
519{
520 QString palettesDir = QgsApplication::qgisSettingsDirPath() + "palettes";
521
522 const QDir localDir;
523 if ( !localDir.mkpath( palettesDir ) )
524 {
525 return QString();
526 }
527
528 return palettesDir;
529}
530
531void QgsCompoundColorWidget::schemeIndexChanged( int index )
532{
533 //save changes to scheme
534 if ( mSchemeList->isDirty() )
535 {
536 mSchemeList->saveColorsToScheme();
537 }
538
539 //get schemes with ShowInColorDialog set
540 const QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
541 if ( index >= schemeList.length() )
542 {
543 return;
544 }
545
546 QgsColorScheme *scheme = schemeList.at( index );
547 mSchemeList->setScheme( scheme );
548
549 updateActionsForCurrentScheme();
550
551 //copy action defaults to disabled
552 mActionCopyColors->setEnabled( false );
553}
554
555void QgsCompoundColorWidget::listSelectionChanged( const QItemSelection &selected, const QItemSelection &deselected )
556{
557 Q_UNUSED( deselected )
558 mActionCopyColors->setEnabled( selected.length() > 0 );
559}
560
561void QgsCompoundColorWidget::mAddCustomColorButton_clicked()
562{
563 switch ( mLastCustomColorIndex )
564 {
565 case 0:
566 mSwatchButton1->setColor( mColorPreview->color() );
567 break;
568 case 1:
569 mSwatchButton2->setColor( mColorPreview->color() );
570 break;
571 case 2:
572 mSwatchButton3->setColor( mColorPreview->color() );
573 break;
574 case 3:
575 mSwatchButton4->setColor( mColorPreview->color() );
576 break;
577 case 4:
578 mSwatchButton5->setColor( mColorPreview->color() );
579 break;
580 case 5:
581 mSwatchButton6->setColor( mColorPreview->color() );
582 break;
583 case 6:
584 mSwatchButton7->setColor( mColorPreview->color() );
585 break;
586 case 7:
587 mSwatchButton8->setColor( mColorPreview->color() );
588 break;
589 case 8:
590 mSwatchButton9->setColor( mColorPreview->color() );
591 break;
592 case 9:
593 mSwatchButton10->setColor( mColorPreview->color() );
594 break;
595 case 10:
596 mSwatchButton11->setColor( mColorPreview->color() );
597 break;
598 case 11:
599 mSwatchButton12->setColor( mColorPreview->color() );
600 break;
601 case 12:
602 mSwatchButton13->setColor( mColorPreview->color() );
603 break;
604 case 13:
605 mSwatchButton14->setColor( mColorPreview->color() );
606 break;
607 case 14:
608 mSwatchButton15->setColor( mColorPreview->color() );
609 break;
610 case 15:
611 mSwatchButton16->setColor( mColorPreview->color() );
612 break;
613 }
614 mLastCustomColorIndex++;
615 if ( mLastCustomColorIndex >= 16 )
616 {
617 mLastCustomColorIndex = 0;
618 }
619}
620
621void QgsCompoundColorWidget::mSampleButton_clicked()
622{
623 //activate picker color
624 setCursor( QgsApplication::getThemeCursor( QgsApplication::Cursor::Sampler ) );
625 grabMouse();
626 grabKeyboard();
627 mPickingColor = true;
628 setMouseTracking( true );
629}
630
631void QgsCompoundColorWidget::mTabWidget_currentChanged( int index )
632{
633 //disable radio buttons if not using the first tab, as they have no meaning for other tabs
634 const bool enabled = index == 0;
635 const QList<QRadioButton *> colorRadios { mHueRadio, mSaturationRadio, mValueRadio, mRedRadio, mGreenRadio, mBlueRadio, mCyanRadio, mMagentaRadio, mYellowRadio, mBlackRadio };
636 for ( QRadioButton *colorRadio : colorRadios )
637 colorRadio->setEnabled( enabled );
638}
639
640void QgsCompoundColorWidget::mActionShowInButtons_toggled( bool state )
641{
642 QgsUserColorScheme *scheme = dynamic_cast<QgsUserColorScheme *>( mSchemeList->scheme() );
643 if ( scheme )
644 {
645 scheme->setShowSchemeInMenu( state );
646 }
647}
648
649QScreen *QgsCompoundColorWidget::findScreenAt( QPoint pos )
650{
651 const QList<QScreen *> screens = QGuiApplication::screens();
652 for ( QScreen *screen : screens )
653 {
654 if ( screen->geometry().contains( pos ) )
655 {
656 return screen;
657 }
658 }
659 return nullptr;
660}
661
662void QgsCompoundColorWidget::saveSettings()
663{
664 //save changes to scheme
665 if ( mSchemeList->isDirty() )
666 {
667 mSchemeList->saveColorsToScheme();
668 }
669
670 QgsSettings settings;
671
672 // record active component
673 settings.setValue( u"Windows/ColorDialog/activeComponent"_s, mRgbGroup->checkedId() );
674 settings.setValue( u"Windows/ColorDialog/activeCmykComponent"_s, mCmykGroup->checkedId() );
675
676 //record current scheme
677 settings.setValue( u"Windows/ColorDialog/activeScheme"_s, mSchemeComboBox->currentIndex() );
678
679 //record current tab
680 settings.setValue( u"Windows/ColorDialog/activeTab"_s, mTabWidget->currentIndex() );
681
682 //record custom colors
683 settings.setValue( u"Windows/ColorDialog/customColor1"_s, QVariant( mSwatchButton1->color() ) );
684 settings.setValue( u"Windows/ColorDialog/customColor2"_s, QVariant( mSwatchButton2->color() ) );
685 settings.setValue( u"Windows/ColorDialog/customColor3"_s, QVariant( mSwatchButton3->color() ) );
686 settings.setValue( u"Windows/ColorDialog/customColor4"_s, QVariant( mSwatchButton4->color() ) );
687 settings.setValue( u"Windows/ColorDialog/customColor5"_s, QVariant( mSwatchButton5->color() ) );
688 settings.setValue( u"Windows/ColorDialog/customColor6"_s, QVariant( mSwatchButton6->color() ) );
689 settings.setValue( u"Windows/ColorDialog/customColor7"_s, QVariant( mSwatchButton7->color() ) );
690 settings.setValue( u"Windows/ColorDialog/customColor8"_s, QVariant( mSwatchButton8->color() ) );
691 settings.setValue( u"Windows/ColorDialog/customColor9"_s, QVariant( mSwatchButton9->color() ) );
692 settings.setValue( u"Windows/ColorDialog/customColor10"_s, QVariant( mSwatchButton10->color() ) );
693 settings.setValue( u"Windows/ColorDialog/customColor11"_s, QVariant( mSwatchButton11->color() ) );
694 settings.setValue( u"Windows/ColorDialog/customColor12"_s, QVariant( mSwatchButton12->color() ) );
695 settings.setValue( u"Windows/ColorDialog/customColor13"_s, QVariant( mSwatchButton13->color() ) );
696 settings.setValue( u"Windows/ColorDialog/customColor14"_s, QVariant( mSwatchButton14->color() ) );
697 settings.setValue( u"Windows/ColorDialog/customColor15"_s, QVariant( mSwatchButton15->color() ) );
698 settings.setValue( u"Windows/ColorDialog/customColor16"_s, QVariant( mSwatchButton16->color() ) );
699
700 //sample radius
701 settings.setValue( u"Windows/ColorDialog/sampleRadius"_s, mSpinBoxRadius->value() );
702}
703
704void QgsCompoundColorWidget::stopPicking( QPoint eventPos, const bool takeSample )
705{
706 //release mouse and keyboard, and reset cursor
707 releaseMouse();
708 releaseKeyboard();
709 unsetCursor();
710 setMouseTracking( false );
711 mPickingColor = false;
712
713 if ( !takeSample )
714 {
715 //not sampling color, nothing more to do
716 return;
717 }
718
719 //grab snapshot of pixel under mouse cursor
720 const QColor snappedColor = sampleColor( eventPos );
721 mSamplePreview->setColor( snappedColor );
722 mColorPreview->setColor( snappedColor, true );
723}
724
725void QgsCompoundColorWidget::setColor( const QColor &color )
726{
727 const QColor::Spec colorSpec = color.spec() == QColor::Cmyk ? QColor::Cmyk : QColor::Rgb;
728 mColorModel->setCurrentIndex( mColorModel->findData( colorSpec ) );
729 mRGB->setVisible( colorSpec != QColor::Cmyk );
730 mCMYK->setVisible( colorSpec == QColor::Cmyk );
731 _setColor( color );
732}
733
734void QgsCompoundColorWidget::_setColor( const QColor &color )
735{
736 if ( !color.isValid() )
737 {
738 return;
739 }
740
741 QColor fixedColor = QColor( color );
742 if ( !mAllowAlpha )
743 {
744 //opacity disallowed, so don't permit transparent colors
745 fixedColor.setAlpha( 255 );
746 }
747
748 if ( mColorModel->currentIndex() && fixedColor.spec() != QColor::Cmyk )
749 {
750 fixedColor = fixedColor.toCmyk();
751 }
752
753 const QList<QgsColorWidget *> colorWidgets = this->findChildren<QgsColorWidget *>();
754 const auto constColorWidgets = colorWidgets;
755 for ( QgsColorWidget *widget : constColorWidgets )
756 {
757 if ( widget == mSamplePreview )
758 {
759 continue;
760 }
761 widget->blockSignals( true );
762 widget->setColor( fixedColor );
763 widget->blockSignals( false );
764 }
765
766
767 emit currentColorChanged( fixedColor );
768}
769
770void QgsCompoundColorWidget::setPreviousColor( const QColor &color )
771{
772 mOldColorLabel->setVisible( color.isValid() );
773 mColorPreview->setColor2( color );
774}
775
776void QgsCompoundColorWidget::hideEvent( QHideEvent *e )
777{
778 saveSettings();
779 QWidget::hideEvent( e );
780}
781
782void QgsCompoundColorWidget::mousePressEvent( QMouseEvent *e )
783{
784 if ( mPickingColor )
785 {
786 //don't show dialog if in color picker mode
787 e->accept();
788 return;
789 }
790
791 QWidget::mousePressEvent( e );
792}
793
794QColor QgsCompoundColorWidget::averageColor( const QImage &image ) const
795{
796 QRgb tmpRgb;
797 int colorCount = 0;
798 int sumRed = 0;
799 int sumBlue = 0;
800 int sumGreen = 0;
801 //scan through image and sum rgb components
802 for ( int heightIndex = 0; heightIndex < image.height(); ++heightIndex )
803 {
804 const QRgb *scanLine = reinterpret_cast<const QRgb *>( image.constScanLine( heightIndex ) );
805 for ( int widthIndex = 0; widthIndex < image.width(); ++widthIndex )
806 {
807 tmpRgb = scanLine[widthIndex];
808 sumRed += qRed( tmpRgb );
809 sumBlue += qBlue( tmpRgb );
810 sumGreen += qGreen( tmpRgb );
811 colorCount++;
812 }
813 }
814 //calculate average components as floats
815 const double avgRed = static_cast<double>( sumRed ) / ( 255.0 * colorCount );
816 const double avgGreen = static_cast<double>( sumGreen ) / ( 255.0 * colorCount );
817 const double avgBlue = static_cast<double>( sumBlue ) / ( 255.0 * colorCount );
818
819 //create a new color representing the average
820 return QColor::fromRgbF( avgRed, avgGreen, avgBlue );
821}
822
823QColor QgsCompoundColorWidget::sampleColor( QPoint point ) const
824{
825 const int sampleRadius = mSpinBoxRadius->value() - 1;
826 QScreen *screen = findScreenAt( point );
827 if ( !screen )
828 {
829 return QColor();
830 }
831
832 const int x = point.x() - screen->geometry().left();
833 const int y = point.y() - screen->geometry().top();
834 const QPixmap snappedPixmap = screen->grabWindow( 0, x - sampleRadius, y - sampleRadius, 1 + sampleRadius * 2, 1 + sampleRadius * 2 );
835 const QImage snappedImage = snappedPixmap.toImage();
836 //scan all pixels and take average color
837 return averageColor( snappedImage );
838}
839
840void QgsCompoundColorWidget::mouseMoveEvent( QMouseEvent *e )
841{
842 if ( mPickingColor )
843 {
844 //currently in color picker mode
845 //sample color under cursor update preview widget to give feedback to user
846 const QColor hoverColor = sampleColor( e->globalPos() );
847 mSamplePreview->setColor( hoverColor );
848
849 e->accept();
850 return;
851 }
852
853 QWidget::mouseMoveEvent( e );
854}
855
856void QgsCompoundColorWidget::mouseReleaseEvent( QMouseEvent *e )
857{
858 if ( mPickingColor )
859 {
860 //end color picking operation by sampling the color under cursor
861 stopPicking( e->globalPos() );
862 e->accept();
863 return;
864 }
865
866 QWidget::mouseReleaseEvent( e );
867}
868
869void QgsCompoundColorWidget::keyPressEvent( QKeyEvent *e )
870{
871 if ( !mPickingColor )
872 {
873 //if not picking a color, use default tool button behavior
874 QgsPanelWidget::keyPressEvent( e );
875 return;
876 }
877
878 //cancel picking, sampling the color if space was pressed
879 stopPicking( QCursor::pos(), e->key() == Qt::Key_Space );
880}
881
882
883void QgsCompoundColorWidget::updateComponent()
884{
885 const bool isCmyk = mColorModel->currentData().toInt() == QColor::Spec::Cmyk;
886 const auto radios = isCmyk ? mCmykRadios : mRgbRadios;
887 const QButtonGroup *group = isCmyk ? mCmykGroup : mRgbGroup;
888
889 const int id = group->checkedId();
890 if ( id >= 0 && id < radios.count() )
891 {
892 const QgsColorWidget::ColorComponent component = radios.at( group->checkedId() ).second;
893 mColorBox->setComponent( component );
894 mVerticalRamp->setComponent( component );
895 }
896}
897
898void QgsCompoundColorWidget::onColorButtonGroupToggled( int, bool checked )
899{
900 if ( checked )
901 updateComponent();
902}
903
904void QgsCompoundColorWidget::mAddColorToSchemeButton_clicked()
905{
906 mSchemeList->addColor( mColorPreview->color(), QgsSymbolLayerUtils::colorToName( mColorPreview->color() ) );
907}
908
909void QgsCompoundColorWidget::updateActionsForCurrentScheme()
910{
911 QgsColorScheme *scheme = mSchemeList->scheme();
912
913 mActionImportColors->setEnabled( scheme->isEditable() );
914 mActionPasteColors->setEnabled( scheme->isEditable() );
915 mAddColorToSchemeButton->setEnabled( scheme->isEditable() );
916 mRemoveColorsFromSchemeButton->setEnabled( scheme->isEditable() );
917
918 QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( scheme );
919 mActionRemovePalette->setEnabled( static_cast<bool>( userScheme ) );
920 if ( userScheme )
921 {
922 mActionShowInButtons->setEnabled( true );
923 whileBlocking( mActionShowInButtons )->setChecked( userScheme->flags() & QgsColorScheme::ShowInColorButtonMenu );
924 }
925 else
926 {
927 whileBlocking( mActionShowInButtons )->setChecked( false );
928 mActionShowInButtons->setEnabled( false );
929 }
930}
Qgis::UI_SCALE_FACTOR
static const double UI_SCALE_FACTOR
UI scaling factor.
Definition qgis.h:6591
QgsApplication::getThemeCursor
static QCursor getThemeCursor(Cursor cursor)
Helper to get a theme cursor.
Definition qgsapplication.cpp:949
QgsApplication::colorSchemeRegistry
static QgsColorSchemeRegistry * colorSchemeRegistry()
Returns the application's color scheme registry, used for managing color schemes.
Definition qgsapplication.cpp:2525
QgsApplication::qgisSettingsDirPath
static QString qgisSettingsDirPath()
Returns the path to the settings directory in user's home dir.
Definition qgsapplication.cpp:1264
QgsApplication::Sampler
@ Sampler
Color/Value picker.
Definition qgsapplication.h:435
QgsColorButton::SignalOnly
@ SignalOnly
Emit colorClicked signal only, no dialog.
Definition qgscolorbutton.h:68
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:577
QgsColorSchemeList::pasteColors
void pasteColors()
Pastes colors from clipboard to the list.
Definition qgscolorschemelist.cpp:106
QgsColorSchemeList::removeSelection
void removeSelection()
Removes any selected colors from the list.
Definition qgscolorschemelist.cpp:81
QgsColorSchemeList::copyColors
void copyColors()
Copies colors from the list to the clipboard.
Definition qgscolorschemelist.cpp:124
QgsColorSchemeList::showExportColorsDialog
void showExportColorsDialog()
Displays a file picker dialog allowing users to export colors from the list into a file.
Definition qgscolorschemelist.cpp:176
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:147
QgsColorSchemeRegistry::addColorScheme
void addColorScheme(QgsColorScheme *scheme)
Adds a color scheme to the registry.
Definition qgscolorschemeregistry.cpp:89
QgsColorSchemeRegistry::schemes
QList< QgsColorScheme * > schemes() const
Returns all color schemes in the registry.
Definition qgscolorschemeregistry.cpp:94
QgsColorSchemeRegistry::removeColorScheme
bool removeColorScheme(QgsColorScheme *scheme)
Removes all matching color schemes from the registry.
Definition qgscolorschemeregistry.cpp:175
QgsColorScheme::ShowInColorButtonMenu
@ ShowInColorButtonMenu
Show scheme in color button drop-down menu.
Definition qgscolorscheme.h:71
QgsColorScheme::ShowInColorDialog
@ ShowInColorDialog
Show scheme in color picker dialog.
Definition qgscolorscheme.h:70
QgsColorScheme::isEditable
virtual bool isEditable() const
Returns whether the color scheme is editable.
Definition qgscolorscheme.h:110
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:52
QgsColorWidget::Hue
@ Hue
Hue component of color (based on HSV model).
Definition qgscolorwidgets.h:57
QgsColorWidget::Alpha
@ Alpha
Alpha component (opacity) of color.
Definition qgscolorwidgets.h:60
QgsColorWidget::Green
@ Green
Green component of color.
Definition qgscolorwidgets.h:55
QgsColorWidget::Red
@ Red
Red component of color.
Definition qgscolorwidgets.h:54
QgsColorWidget::Saturation
@ Saturation
Saturation component of color (based on HSV model).
Definition qgscolorwidgets.h:58
QgsColorWidget::Magenta
@ Magenta
Magenta component (based on CMYK model) of color.
Definition qgscolorwidgets.h:62
QgsColorWidget::Yellow
@ Yellow
Yellow component (based on CMYK model) of color.
Definition qgscolorwidgets.h:63
QgsColorWidget::Black
@ Black
Black component (based on CMYK model) of color.
Definition qgscolorwidgets.h:64
QgsColorWidget::Cyan
@ Cyan
Cyan component (based on CMYK model) of color.
Definition qgscolorwidgets.h:61
QgsColorWidget::Blue
@ Blue
Blue component of color.
Definition qgscolorwidgets.h:56
QgsColorWidget::Value
@ Value
Value component of color (based on HSV model).
Definition qgscolorwidgets.h:59
QgsCompoundColorWidget::LayoutVertical
@ LayoutVertical
Use a narrower, vertically stacked layout.
Definition qgscompoundcolorwidget.h:44
QgsCompoundColorWidget::currentColorChanged
void currentColorChanged(const QColor &color)
Emitted when the dialog's color changes.
QgsCompoundColorWidget::hideEvent
void hideEvent(QHideEvent *e) override
Definition qgscompoundcolorwidget.cpp:776
QgsCompoundColorWidget::QgsCompoundColorWidget
QgsCompoundColorWidget(QWidget *parent=nullptr, const QColor &color=QColor(), Layout layout=LayoutDefault)
Constructor for QgsCompoundColorWidget.
Definition qgscompoundcolorwidget.cpp:44
QgsCompoundColorWidget::mousePressEvent
void mousePressEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:782
QgsCompoundColorWidget::setColorModelEditable
void setColorModelEditable(bool colorModelEditable)
Sets whether color model is editable or not.
Definition qgscompoundcolorwidget.cpp:348
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:367
QgsCompoundColorWidget::setPreviousColor
void setPreviousColor(const QColor &color)
Sets the color to show in an optional "previous color" section.
Definition qgscompoundcolorwidget.cpp:770
QgsCompoundColorWidget::removeUserPalette
static bool removeUserPalette(QgsUserColorScheme *scheme, QWidget *parent)
Triggers a user prompt for removing an existing user color scheme.
Definition qgscompoundcolorwidget.cpp:427
QgsCompoundColorWidget::createNewUserPalette
static QgsUserColorScheme * createNewUserPalette(QWidget *parent)
Triggers a user prompt for creating a new user color scheme.
Definition qgscompoundcolorwidget.cpp:473
QgsCompoundColorWidget::mouseMoveEvent
void mouseMoveEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:840
QgsCompoundColorWidget::setAllowOpacity
void setAllowOpacity(bool allowOpacity)
Sets whether opacity modification (transparency) is permitted for the color dialog.
Definition qgscompoundcolorwidget.cpp:335
QgsCompoundColorWidget::setColor
void setColor(const QColor &color)
Sets the current color for the dialog.
Definition qgscompoundcolorwidget.cpp:725
QgsCompoundColorWidget::keyPressEvent
void keyPressEvent(QKeyEvent *e) override
Definition qgscompoundcolorwidget.cpp:869
QgsCompoundColorWidget::color
QColor color() const
Returns the current color for the dialog.
Definition qgscompoundcolorwidget.cpp:328
QgsCompoundColorWidget::mouseReleaseEvent
void mouseReleaseEvent(QMouseEvent *e) override
Definition qgscompoundcolorwidget.cpp:856
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:261
QgsPanelWidget::QgsPanelWidget
QgsPanelWidget(QWidget *parent=nullptr)
Base class for any widget that can be shown as an inline panel.
Definition qgspanelwidget.cpp:30
QgsPanelWidget::keyPressEvent
void keyPressEvent(QKeyEvent *event) override
Overridden key press event to handle the esc event on the widget.
Definition qgspanelwidget.cpp:122
QgsRecentColorScheme::addRecentColor
static void addRecentColor(const QColor &color)
Adds a color to the list of recent colors.
Definition qgscolorscheme.cpp:72
QgsScreenHelper
A utility class for dynamic handling of changes to screen properties.
Definition qgsscreenhelper.h:36
QgsSettings
Stores settings for use within QGIS.
Definition qgssettings.h:68
QgsSettings::value
QVariant value(const QString &key, const QVariant &defaultValue=QVariant(), Section section=NoSection) const
Returns the value for setting key.
Definition qgssettings.cpp:169
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:296
QgsSymbolLayerUtils::importColorsFromGpl
static QgsNamedColorList importColorsFromGpl(QFile &file, bool &ok, QString &name)
Imports colors from a gpl GIMP palette file.
Definition qgssymbollayerutils.cpp:3981
QgsSymbolLayerUtils::colorToName
static QString colorToName(const QColor &color)
Returns a friendly display name for a color.
Definition qgssymbollayerutils.cpp:3666
QgsUserColorScheme
A color scheme which stores its colors in a gpl palette file within the "palettes" subfolder off the ...
Definition qgscolorscheme.h:160
QgsUserColorScheme::schemeName
QString schemeName() const override
Gets the name for the color scheme.
Definition qgscolorscheme.cpp:331
QgsUserColorScheme::setName
void setName(const QString &name)
Sets the name for the scheme.
Definition qgscolorscheme.h:180
QgsUserColorScheme::flags
QgsColorScheme::SchemeFlags flags() const override
Returns the current flags for the color scheme.
Definition qgscolorscheme.cpp:341
QgsUserColorScheme::erase
bool erase()
Erases the associated gpl palette file from the users "palettes" folder.
Definition qgscolorscheme.cpp:356
QgsUserColorScheme::setShowSchemeInMenu
void setShowSchemeInMenu(bool show)
Sets whether a this scheme should be shown in color button menus.
Definition qgscolorscheme.cpp:374
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:264
whileBlocking
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Definition qgis.h:6880
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