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qgscolorwidget.cpp
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1 /***************************************************************************
2  qgscolorwidget.cpp
3  --------------------------------------
4  Date : 5.1.2014
5  Copyright : (C) 2014 Matthias Kuhn
6  Email : matthias dot kuhn at gmx 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  ***************************************************************************/
15 
16 #include "qgscolorwidget.h"
17 
18 QgsColorWidget::QgsColorWidget( QgsVectorLayer* vl, int fieldIdx, QWidget* editor, QWidget* parent ) :
19  QgsEditorWidgetWrapper( vl, fieldIdx, editor, parent )
20 {
21 }
22 
23 
25 {
26  QVariant v;
27 
28  if ( mColorButton )
29  v = mColorButton->color();
30 
31  return v;
32 }
33 
34 QWidget*QgsColorWidget::createWidget( QWidget* parent )
35 {
36  return new QgsColorButton( parent );
37 }
38 
39 void QgsColorWidget::initWidget( QWidget* editor )
40 {
41  mColorButton = qobject_cast<QgsColorButton*>( editor );
42 
43  connect( mColorButton, SIGNAL( colorChanged( QColor ) ), this, SLOT( valueChanged() ) );
44 }
45 
46 void QgsColorWidget::setValue( const QVariant& value )
47 {
48  if ( mColorButton )
49  mColorButton->setColor( QColor( value.toString() ) );
50 }
void setValue(const QVariant &value)
void valueChanged()
Will call the value() method to determine the emitted value.
Manages an editor widget Widget and wrapper share the same parent.
QVariant value()
Will be used to access the widget's value.
A cross platform button subclass for selecting colors. Will open a color chooser dialog when clicked...
QWidget * createWidget(QWidget *parent)
This method should create a new widget with the provided parent.
QgsColorButton * mColorButton
void initWidget(QWidget *editor)
This method should initialize the editor widget with runtime data.
void setColor(const QColor &color)
Specify the current color.
QgsColorWidget(QgsVectorLayer *vl, int fieldIdx, QWidget *editor=0, QWidget *parent=0)
Represents a vector layer which manages a vector based data sets.