QGIS API Documentation 3.37.0-Master (fdefdf9c27f)
qgsellipsesymbollayerwidget.cpp
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1/***************************************************************************
2 qgsellipsesymbollayerwidget.cpp
3 ---------------------
4 begin : June 2011
5 copyright : (C) 2011 by Marco Hugentobler
6 email : marco dot hugentobler at sourcepole dot ch
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 ***************************************************************************/
17#include "qgsvectorlayer.h"
18#include "qgssymbollayerutils.h"
19#include <QColorDialog>
20
22 : QgsSymbolLayerWidget( parent, vl )
23
24{
25 setupUi( this );
26 connect( mShapeListWidget, &QListWidget::itemSelectionChanged, this, &QgsEllipseSymbolLayerWidget::mShapeListWidget_itemSelectionChanged );
27 connect( mWidthSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsEllipseSymbolLayerWidget::mWidthSpinBox_valueChanged );
28 connect( mHeightSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsEllipseSymbolLayerWidget::mHeightSpinBox_valueChanged );
29 connect( mRotationSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsEllipseSymbolLayerWidget::mRotationSpinBox_valueChanged );
30 connect( mStrokeStyleComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsEllipseSymbolLayerWidget::mStrokeStyleComboBox_currentIndexChanged );
31 connect( mStrokeWidthSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsEllipseSymbolLayerWidget::mStrokeWidthSpinBox_valueChanged );
32 connect( btnChangeColorStroke, &QgsColorButton::colorChanged, this, &QgsEllipseSymbolLayerWidget::btnChangeColorStroke_colorChanged );
33 connect( btnChangeColorFill, &QgsColorButton::colorChanged, this, &QgsEllipseSymbolLayerWidget::btnChangeColorFill_colorChanged );
34 connect( mSymbolWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsEllipseSymbolLayerWidget::mSymbolWidthUnitWidget_changed );
35 connect( mStrokeWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsEllipseSymbolLayerWidget::mStrokeWidthUnitWidget_changed );
36 connect( mSymbolHeightUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsEllipseSymbolLayerWidget::mSymbolHeightUnitWidget_changed );
37 connect( mOffsetUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsEllipseSymbolLayerWidget::mOffsetUnitWidget_changed );
38 connect( mHorizontalAnchorComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsEllipseSymbolLayerWidget::mHorizontalAnchorComboBox_currentIndexChanged );
39 connect( mVerticalAnchorComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsEllipseSymbolLayerWidget::mVerticalAnchorComboBox_currentIndexChanged );
40
49
50 btnChangeColorFill->setAllowOpacity( true );
51 btnChangeColorFill->setColorDialogTitle( tr( "Select Fill Color" ) );
52 btnChangeColorFill->setContext( QStringLiteral( "symbology" ) );
53 btnChangeColorFill->setShowNoColor( true );
54 btnChangeColorFill->setNoColorString( tr( "Transparent Fill" ) );
55 btnChangeColorStroke->setAllowOpacity( true );
56 btnChangeColorStroke->setColorDialogTitle( tr( "Select Stroke Color" ) );
57 btnChangeColorStroke->setContext( QStringLiteral( "symbology" ) );
58 btnChangeColorStroke->setShowNoColor( true );
59 btnChangeColorStroke->setNoColorString( tr( "Transparent Stroke" ) );
60
61 mFillColorDDBtn->registerLinkedWidget( btnChangeColorFill );
62 mStrokeColorDDBtn->registerLinkedWidget( btnChangeColorStroke );
63
64 spinOffsetX->setClearValue( 0.0 );
65 spinOffsetY->setClearValue( 0.0 );
66 mRotationSpinBox->setClearValue( 0.0 );
67
68 int size = mShapeListWidget->iconSize().width();
69 size = std::max( 30, static_cast< int >( std::round( Qgis::UI_SCALE_FACTOR * fontMetrics().horizontalAdvance( 'X' ) * 3 ) ) );
70 mShapeListWidget->setGridSize( QSize( size * 1.2, size * 1.2 ) );
71 mShapeListWidget->setIconSize( QSize( size, size ) );
72
73 const double markerSize = size * 0.8;
74 const auto shapes = QgsEllipseSymbolLayer::availableShapes();
75 for ( const QgsEllipseSymbolLayer::Shape shape : shapes )
76 {
80 lyr->setShape( shape );
81 lyr->setStrokeColor( QColor( 0, 0, 0 ) );
82 lyr->setFillColor( QColor( 200, 200, 200 ) );
83 lyr->setSymbolWidth( markerSize );
84 lyr->setSymbolHeight( markerSize * 0.75 );
86 QListWidgetItem *item = new QListWidgetItem( icon, QString(), mShapeListWidget );
87 item->setData( Qt::UserRole, static_cast< int >( shape ) );
88 item->setToolTip( QgsEllipseSymbolLayer::encodeShape( shape ) );
89 delete lyr;
90 }
91 // show at least 2 rows (only 1 row is required, but looks too cramped)
92 mShapeListWidget->setMinimumHeight( mShapeListWidget->gridSize().height() * 2.1 );
93
94 connect( spinOffsetX, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, &QgsEllipseSymbolLayerWidget::setOffset );
95 connect( spinOffsetY, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, &QgsEllipseSymbolLayerWidget::setOffset );
96 connect( cboJoinStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsEllipseSymbolLayerWidget::penJoinStyleChanged );
97 connect( cboCapStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsEllipseSymbolLayerWidget::penCapStyleChanged );
98}
99
101{
102 if ( !layer || layer->layerType() != QLatin1String( "EllipseMarker" ) )
103 {
104 return;
105 }
106
107 mLayer = static_cast<QgsEllipseSymbolLayer *>( layer );
108 mWidthSpinBox->setValue( mLayer->symbolWidth() );
109 mHeightSpinBox->setValue( mLayer->symbolHeight() );
110 mRotationSpinBox->setValue( mLayer->angle() );
111 mStrokeStyleComboBox->setPenStyle( mLayer->strokeStyle() );
112 mStrokeWidthSpinBox->setValue( mLayer->strokeWidth() );
113 btnChangeColorStroke->setColor( mLayer->strokeColor() );
114 btnChangeColorFill->setColor( mLayer->fillColor() );
115
117 for ( int i = 0; i < mShapeListWidget->count(); ++i )
118 {
119 if ( static_cast< QgsEllipseSymbolLayer::Shape >( mShapeListWidget->item( i )->data( Qt::UserRole ).toInt() ) == shape )
120 {
121 mShapeListWidget->setCurrentRow( i );
122 break;
123 }
124 }
125 btnChangeColorFill->setEnabled( QgsEllipseSymbolLayer::shapeIsFilled( mLayer->shape() ) );
126
127 //set combo entries to current values
128 blockComboSignals( true );
129 mSymbolWidthUnitWidget->setUnit( mLayer->symbolWidthUnit() );
130 mSymbolWidthUnitWidget->setMapUnitScale( mLayer->symbolWidthMapUnitScale() );
131 mStrokeWidthUnitWidget->setUnit( mLayer->strokeWidthUnit() );
132 mStrokeWidthUnitWidget->setMapUnitScale( mLayer->strokeWidthMapUnitScale() );
133 mSymbolHeightUnitWidget->setUnit( mLayer->symbolHeightUnit() );
134 mSymbolHeightUnitWidget->setMapUnitScale( mLayer->symbolHeightMapUnitScale() );
135 mOffsetUnitWidget->setUnit( mLayer->offsetUnit() );
136 mOffsetUnitWidget->setMapUnitScale( mLayer->offsetMapUnitScale() );
137 const QPointF offsetPt = mLayer->offset();
138 spinOffsetX->setValue( offsetPt.x() );
139 spinOffsetY->setValue( offsetPt.y() );
140 mHorizontalAnchorComboBox->setCurrentIndex( mLayer->horizontalAnchorPoint() );
141 mVerticalAnchorComboBox->setCurrentIndex( mLayer->verticalAnchorPoint() );
142 cboJoinStyle->setPenJoinStyle( mLayer->penJoinStyle() );
143 cboCapStyle->setPenCapStyle( mLayer->penCapStyle() );
144 blockComboSignals( false );
145
159
160}
161
163{
164 return mLayer;
165}
166
167void QgsEllipseSymbolLayerWidget::mShapeListWidget_itemSelectionChanged()
168{
169 if ( mLayer )
170 {
171 mLayer->setShape( static_cast< QgsEllipseSymbolLayer::Shape>( mShapeListWidget->currentItem()->data( Qt::UserRole ).toInt() ) );
172 btnChangeColorFill->setEnabled( QgsEllipseSymbolLayer::shapeIsFilled( mLayer->shape() ) );
173 emit changed();
174 }
175}
176
177void QgsEllipseSymbolLayerWidget::mWidthSpinBox_valueChanged( double d )
178{
179 if ( mLayer )
180 {
182 emit changed();
183 }
184}
185
186void QgsEllipseSymbolLayerWidget::mHeightSpinBox_valueChanged( double d )
187{
188 if ( mLayer )
189 {
191 emit changed();
192 }
193}
194
195void QgsEllipseSymbolLayerWidget::mRotationSpinBox_valueChanged( double d )
196{
197 if ( mLayer )
198 {
199 mLayer->setAngle( d );
200 emit changed();
201 }
202}
203
204void QgsEllipseSymbolLayerWidget::mStrokeStyleComboBox_currentIndexChanged( int index )
205{
206 Q_UNUSED( index )
207
208 if ( mLayer )
209 {
210 mLayer->setStrokeStyle( mStrokeStyleComboBox->penStyle() );
211 emit changed();
212 }
213}
214
215void QgsEllipseSymbolLayerWidget::mStrokeWidthSpinBox_valueChanged( double d )
216{
217 if ( mLayer )
218 {
220 emit changed();
221 }
222}
223
224void QgsEllipseSymbolLayerWidget::btnChangeColorStroke_colorChanged( const QColor &newColor )
225{
226 if ( !mLayer )
227 {
228 return;
229 }
230
231 mLayer->setStrokeColor( newColor );
232 emit changed();
233}
234
235void QgsEllipseSymbolLayerWidget::btnChangeColorFill_colorChanged( const QColor &newColor )
236{
237 if ( !mLayer )
238 {
239 return;
240 }
241
242 mLayer->setFillColor( newColor );
243 emit changed();
244}
245
246void QgsEllipseSymbolLayerWidget::mSymbolWidthUnitWidget_changed()
247{
248 if ( mLayer )
249 {
250 mLayer->setSymbolWidthUnit( mSymbolWidthUnitWidget->unit() );
251 mLayer->setSymbolWidthMapUnitScale( mSymbolWidthUnitWidget->getMapUnitScale() );
252 emit changed();
253 }
254}
255
256void QgsEllipseSymbolLayerWidget::mStrokeWidthUnitWidget_changed()
257{
258 if ( mLayer )
259 {
260 mLayer->setStrokeWidthUnit( mStrokeWidthUnitWidget->unit() );
261 mLayer->setStrokeWidthMapUnitScale( mStrokeWidthUnitWidget->getMapUnitScale() );
262 emit changed();
263 }
264}
265
266void QgsEllipseSymbolLayerWidget::mSymbolHeightUnitWidget_changed()
267{
268 if ( mLayer )
269 {
270 mLayer->setSymbolHeightUnit( mSymbolHeightUnitWidget->unit() );
271 mLayer->setSymbolHeightMapUnitScale( mSymbolHeightUnitWidget->getMapUnitScale() );
272 emit changed();
273 }
274}
275
276void QgsEllipseSymbolLayerWidget::mOffsetUnitWidget_changed()
277{
278 if ( mLayer )
279 {
280 mLayer->setOffsetUnit( mOffsetUnitWidget->unit() );
281 mLayer->setOffsetMapUnitScale( mOffsetUnitWidget->getMapUnitScale() );
282 emit changed();
283 }
284}
285
286void QgsEllipseSymbolLayerWidget::penJoinStyleChanged()
287{
288 mLayer->setPenJoinStyle( cboJoinStyle->penJoinStyle() );
289 emit changed();
290}
291
292void QgsEllipseSymbolLayerWidget::penCapStyleChanged()
293{
294 mLayer->setPenCapStyle( cboCapStyle->penCapStyle() );
295 emit changed();
296}
297
298void QgsEllipseSymbolLayerWidget::blockComboSignals( bool block )
299{
300 mSymbolWidthUnitWidget->blockSignals( block );
301 mStrokeWidthUnitWidget->blockSignals( block );
302 mSymbolHeightUnitWidget->blockSignals( block );
303 mHorizontalAnchorComboBox->blockSignals( block );
304 mVerticalAnchorComboBox->blockSignals( block );
305 mSymbolWidthUnitWidget->blockSignals( block );
306 mStrokeWidthUnitWidget->blockSignals( block );
307 mSymbolHeightUnitWidget->blockSignals( block );
308 mOffsetUnitWidget->blockSignals( block );
309 cboJoinStyle->blockSignals( block );
310 cboCapStyle->blockSignals( block );
311}
312
313void QgsEllipseSymbolLayerWidget::mHorizontalAnchorComboBox_currentIndexChanged( int index )
314{
315 if ( mLayer )
316 {
318 emit changed();
319 }
320}
321
322void QgsEllipseSymbolLayerWidget::mVerticalAnchorComboBox_currentIndexChanged( int index )
323{
324 if ( mLayer )
325 {
327 emit changed();
328 }
329}
330
331void QgsEllipseSymbolLayerWidget::setOffset()
332{
333 mLayer->setOffset( QPointF( spinOffsetX->value(), spinOffsetY->value() ) );
334 emit changed();
335}
336
337
@ Millimeters
Millimeters.
@ Points
Points (e.g., for font sizes)
@ MapUnits
Map units.
@ MetersInMapUnits
Meters value as Map units.
@ Hybrid
Hybrid symbol.
static const double UI_SCALE_FACTOR
UI scaling factor.
Definition: qgis.h:4927
void colorChanged(const QColor &color)
Emitted whenever a new color is set for the button.
The QgsSpinBox is a spin box with a clear button that will set the value to the defined clear value.
QgsEllipseSymbolLayerWidget(QgsVectorLayer *vl, QWidget *parent=nullptr)
Constructor for QgsEllipseSymbolLayerWidget.
void setSymbolLayer(QgsSymbolLayer *layer) override
QgsSymbolLayer * symbolLayer() override
A symbol layer for rendering objects with major and minor axis (e.g.
void setPenCapStyle(Qt::PenCapStyle style)
Sets the marker's stroke cap style (e.g., flat, round, etc).
void setSymbolHeightMapUnitScale(const QgsMapUnitScale &scale)
void setSymbolWidthMapUnitScale(const QgsMapUnitScale &scale)
Qgis::RenderUnit symbolWidthUnit() const
Returns the units for the symbol's width.
const QgsMapUnitScale & strokeWidthMapUnitScale() const
Qgis::RenderUnit strokeWidthUnit() const
Returns the units for the symbol's stroke width.
void setStrokeColor(const QColor &c) override
Sets the stroke color for the symbol layer.
void setStrokeStyle(Qt::PenStyle strokeStyle)
void setStrokeWidthUnit(Qgis::RenderUnit unit)
Sets the units for the symbol's stroke width.
Shape
Marker symbol shapes.
QColor fillColor() const override
Returns the fill color for the symbol layer.
QgsEllipseSymbolLayer::Shape shape() const
Returns the shape for the rendered ellipse marker symbol.
void setFillColor(const QColor &c) override
Sets the fill color for the symbol layer.
void setShape(QgsEllipseSymbolLayer::Shape shape)
Sets the rendered ellipse marker shape.
static QList< QgsEllipseSymbolLayer::Shape > availableShapes()
Returns a list of all available shape types.
const QgsMapUnitScale & symbolHeightMapUnitScale() const
Qt::PenStyle strokeStyle() const
const QgsMapUnitScale & symbolWidthMapUnitScale() const
static QString encodeShape(QgsEllipseSymbolLayer::Shape shape)
Encodes a shape to its string representation.
void setStrokeWidthMapUnitScale(const QgsMapUnitScale &scale)
void setSymbolHeightUnit(Qgis::RenderUnit unit)
Sets the units for the symbol's height.
QColor strokeColor() const override
Returns the stroke color for the symbol layer.
void setPenJoinStyle(Qt::PenJoinStyle style)
Set stroke join style.
static bool shapeIsFilled(const QgsEllipseSymbolLayer::Shape &shape)
Returns true if a shape has a fill.
void setSymbolWidthUnit(Qgis::RenderUnit unit)
Sets the units for the symbol's width.
Qgis::RenderUnit symbolHeightUnit() const
Returns the units for the symbol's height.
Qt::PenJoinStyle penJoinStyle() const
Gets stroke join style.
Qt::PenCapStyle penCapStyle() const
Returns the marker's stroke cap style (e.g., flat, round, etc).
Struct for storing maximum and minimum scales for measurements in map units.
QPointF offset() const
Returns the marker's offset, which is the horizontal and vertical displacement which the rendered mar...
HorizontalAnchorPoint
Symbol horizontal anchor points.
void setOffsetUnit(Qgis::RenderUnit unit)
Sets the units for the symbol's offset.
void setAngle(double angle)
Sets the rotation angle for the marker.
void setVerticalAnchorPoint(VerticalAnchorPoint v)
Sets the vertical anchor point for positioning the symbol.
void setHorizontalAnchorPoint(HorizontalAnchorPoint h)
Sets the horizontal anchor point for positioning the symbol.
void setOffset(QPointF offset)
Sets the marker's offset, which is the horizontal and vertical displacement which the rendered marker...
const QgsMapUnitScale & offsetMapUnitScale() const
Returns the map unit scale for the symbol's offset.
Qgis::RenderUnit offsetUnit() const
Returns the units for the symbol's offset.
VerticalAnchorPoint verticalAnchorPoint() const
Returns the vertical anchor point for positioning the symbol.
HorizontalAnchorPoint horizontalAnchorPoint() const
Returns the horizontal anchor point for positioning the symbol.
VerticalAnchorPoint
Symbol vertical anchor points.
void setOffsetMapUnitScale(const QgsMapUnitScale &scale)
Sets the map unit scale for the symbol's offset.
double angle() const
Returns the rotation angle for the marker, in degrees clockwise from north.
Stores properties relating to a screen.
static QIcon symbolLayerPreviewIcon(const QgsSymbolLayer *layer, Qgis::RenderUnit u, QSize size, const QgsMapUnitScale &scale=QgsMapUnitScale(), Qgis::SymbolType parentSymbolType=Qgis::SymbolType::Hybrid, QgsMapLayer *mapLayer=nullptr, const QgsScreenProperties &screen=QgsScreenProperties())
Draws a symbol layer preview to an icon.
void registerDataDefinedButton(QgsPropertyOverrideButton *button, QgsSymbolLayer::Property key)
Registers a data defined override button.
void changed()
Should be emitted whenever configuration changes happened on this symbol layer configuration.
@ VerticalAnchor
Vertical anchor point.
@ HorizontalAnchor
Horizontal anchor point.
@ StrokeStyle
Stroke style (eg solid, dashed)
@ Name
Name, eg shape name for simple markers.
@ StrokeColor
Stroke color.
@ CapStyle
Line cap style.
@ JoinStyle
Line join style.
@ StrokeWidth
Stroke width.
@ Offset
Symbol offset.
@ Height
Symbol height.
virtual QString layerType() const =0
Returns a string that represents this layer type.
virtual void setColor(const QColor &color)
Sets the "representative" color for the symbol layer.
Represents a vector layer which manages a vector based data sets.