QGIS API Documentation  3.6.0-Noosa (5873452)
qgsbrushstylecombobox.cpp
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1 /***************************************************************************
2  qgsbrushstylecombobox.cpp
3  ---------------------
4  begin : November 2009
5  copyright : (C) 2009 by Martin Dobias
6  email : wonder dot sk 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 "qgsbrushstylecombobox.h"
17 #include "qgsguiutils.h"
18 
19 #include <QList>
20 #include <QPair>
21 
22 #include <QBrush>
23 #include <QPainter>
24 #include <QPen>
25 
27  : QComboBox( parent )
28 {
29  QList < QPair<Qt::BrushStyle, QString> > styles;
30  styles << qMakePair( Qt::SolidPattern, tr( "Solid" ) )
31  << qMakePair( Qt::NoBrush, tr( "No Brush" ) )
32  << qMakePair( Qt::HorPattern, tr( "Horizontal" ) )
33  << qMakePair( Qt::VerPattern, tr( "Vertical" ) )
34  << qMakePair( Qt::CrossPattern, tr( "Cross" ) )
35  << qMakePair( Qt::BDiagPattern, tr( "BDiagonal" ) )
36  << qMakePair( Qt::FDiagPattern, tr( "FDiagonal" ) )
37  << qMakePair( Qt::DiagCrossPattern, tr( "Diagonal X" ) )
38  << qMakePair( Qt::Dense1Pattern, tr( "Dense 1" ) )
39  << qMakePair( Qt::Dense2Pattern, tr( "Dense 2" ) )
40  << qMakePair( Qt::Dense3Pattern, tr( "Dense 3" ) )
41  << qMakePair( Qt::Dense4Pattern, tr( "Dense 4" ) )
42  << qMakePair( Qt::Dense5Pattern, tr( "Dense 5" ) )
43  << qMakePair( Qt::Dense6Pattern, tr( "Dense 6" ) )
44  << qMakePair( Qt::Dense7Pattern, tr( "Dense 7" ) );
45 
46  int iconSize = QgsGuiUtils::scaleIconSize( 16 );
47  setIconSize( QSize( iconSize * 2, iconSize ) );
48 
49  for ( int i = 0; i < styles.count(); i++ )
50  {
51  Qt::BrushStyle style = styles.at( i ).first;
52  QString name = styles.at( i ).second;
53  addItem( iconForBrush( style ), name, QVariant( static_cast<int>( style ) ) );
54  }
55 
56  setCurrentIndex( 1 );
57 
58 }
59 
60 
61 Qt::BrushStyle QgsBrushStyleComboBox::brushStyle() const
62 {
63  return ( Qt::BrushStyle ) currentData().toInt();
64 }
65 
66 void QgsBrushStyleComboBox::setBrushStyle( Qt::BrushStyle style )
67 {
68  int idx = findData( QVariant( static_cast<int>( style ) ) );
69  setCurrentIndex( idx == -1 ? 0 : idx );
70 }
71 
72 QIcon QgsBrushStyleComboBox::iconForBrush( Qt::BrushStyle style )
73 {
74  QPixmap pix( iconSize() );
75  QPainter p;
76  pix.fill( Qt::transparent );
77 
78  p.begin( &pix );
79  QBrush brush( QColor( 100, 100, 100 ), style );
80  p.setBrush( brush );
81  QPen pen( Qt::NoPen );
82  p.setPen( pen );
83  p.drawRect( QRect( QPoint( 0, 0 ), iconSize() ) );
84  p.end();
85 
86  return QIcon( pix );
87 }
int scaleIconSize(int standardSize)
Scales an icon size to compensate for display pixel density, making the icon size hi-dpi friendly...
void setBrushStyle(Qt::BrushStyle style)
QIcon iconForBrush(Qt::BrushStyle style)
Qt::BrushStyle brushStyle() const
QgsBrushStyleComboBox(QWidget *parent=nullptr)