git.maemo.org Git - qtmeetings/blob - src/UserInterface/Components/BorderedBarWidget.cpp

   1 #include <QPainter>
   2 #include "BorderedBarWidget.h"
   3
   4 BorderedBarWidget::BorderedBarWidget( QWidget *aParent ) :
   5         QWidget( aParent ){
   6         iCenterLabel = new QLabel(this);
   7         iCenterLabel->setAlignment( Qt::AlignCenter );
   8         iLeftLabel = new QLabel(this);
   9         iLeftLabel->setAlignment( Qt::AlignLeading | Qt::AlignVCenter);
  10         iRightLabel = new QLabel(this);
  11         iRightLabel->setAlignment( Qt::AlignTrailing | Qt::AlignVCenter);
  12 }
  13
  14 BorderedBarWidget::~BorderedBarWidget() {
  15         delete iCenterLabel;
  16         delete iLeftLabel;
  17         delete iRightLabel;
  18 }
  19
  20 QColor BorderedBarWidget::backgroundColor()
  21 {
  22         return iPalette.color( QPalette::Window );;
  23 }
  24
  25 QColor BorderedBarWidget::faceColor()
  26 {
  27         return iPalette.color( QPalette::WindowText );;
  28 }
  29
  30 int BorderedBarWidget::borderWidth()
  31 {
  32         return iBorderWidth;
  33 }
  34
  35 QString BorderedBarWidget::text( TextPosition aPos )
  36 {
  37         if ( aPos == CenterAlign )
  38                 return iCenterLabel->text();
  39         else if ( aPos == LeftAlign )
  40                 return iLeftLabel->text();
  41         else if ( aPos == RightAlign )
  42                 return iRightLabel->text();
  43         return "";
  44 }
  45
  46 void BorderedBarWidget::setBackgroundColor( QColor aColor )
  47 {
  48         iPalette.setColor( QPalette::Window, aColor );
  49         iCenterLabel->setPalette( iPalette );
  50         iLeftLabel->setPalette( iPalette );
  51         iRightLabel->setPalette( iPalette );
  52 }
  53
  54 void BorderedBarWidget::setFaceColor( QColor aColor )
  55 {
  56         iPalette.setColor( QPalette::WindowText, aColor );
  57         iCenterLabel->setPalette( iPalette );
  58         iLeftLabel->setPalette( iPalette );
  59         iRightLabel->setPalette( iPalette );
  60 }
  61
  62 void BorderedBarWidget::setBorderWidth( int aWidth )
  63 {
  64         iBorderWidth = aWidth;
  65         iRightLabel->setMargin( 2*iBorderWidth );
  66         iLeftLabel->setMargin( 2*iBorderWidth );
  67 }
  68
  69 void BorderedBarWidget::setText( QString aText, TextPosition aPos )
  70 {
  71         if ( aPos == CenterAlign )
  72                 iCenterLabel->setText( aText );
  73         else if ( aPos == LeftAlign )
  74                 iLeftLabel->setText( aText );
  75         else if ( aPos == RightAlign )
  76                 iRightLabel->setText( aText );
  77 }
  78
  79 void BorderedBarWidget::setPixmap( QPixmap aPixmap, TextPosition aPos )
  80 {
  81         if ( aPos == CenterAlign )
  82                 iCenterLabel->setPixmap( aPixmap );
  83         else if ( aPos == LeftAlign )
  84                 iLeftLabel->setPixmap( aPixmap );
  85         else if ( aPos == RightAlign )
  86                 iRightLabel->setPixmap( aPixmap );
  87 }
  88
  89 void BorderedBarWidget::paintEvent(QPaintEvent *)
  90 {
  91         drawBorder();
  92         iCenterLabel->setGeometry( rect() );
  93         iLeftLabel->setGeometry( rect() );
  94         iRightLabel->setGeometry( rect() );
  95 }
  96
  97 void BorderedBarWidget::drawCorner( QPainter &aPainter, QPoint &aCenter )
  98 {
  99         QRadialGradient radialGrad(QPointF(aCenter), iBorderWidth);
 100         radialGrad.setColorAt(0, iPalette.color( QPalette::WindowText));
 101         radialGrad.setColorAt(1, iPalette.color( QPalette::Window));
 102     aPainter.setBrush(radialGrad);
 103         aPainter.drawEllipse(QPoint(aCenter), iBorderWidth, iBorderWidth);
 104 }
 105
 106 void BorderedBarWidget::drawSide( QPainter &aPainter, QPoint aStartPoint, QPoint aEndPoint )
 107 {
 108         QPoint d = aEndPoint - aStartPoint;
 109         QPoint gradEnd = aStartPoint;
 110         if ( abs( d.x() ) < abs( d.y() ) )
 111                 gradEnd.setX( aEndPoint.x()+1 );
 112         else
 113                 gradEnd.setY( aEndPoint.y()+1 );
 114
 115         QLinearGradient linearGradTop(aStartPoint, gradEnd);
 116         linearGradTop.setColorAt(0, iPalette.color( QPalette::Window));
 117         linearGradTop.setColorAt(1, iPalette.color( QPalette::WindowText));
 118     aPainter.setBrush(linearGradTop);
 119         aPainter.drawRect( QRect(aStartPoint,aEndPoint) );
 120 }
 121
 122 void BorderedBarWidget::drawBorder()
 123 {
 124         QPainter painter(this);
 125     painter.setPen(Qt::NoPen);
 126         painter.setRenderHint(QPainter::Antialiasing, true);
 127
 128         /*top left corner*/
 129         QPoint center(iBorderWidth,iBorderWidth);
 130         drawCorner( painter, center );
 131
 132         /*top right corner*/
 133         center.setX( this->rect().right()-iBorderWidth );
 134         center.setY( iBorderWidth );
 135         drawCorner( painter, center );
 136
 137         /*bottom left corner*/
 138         center.setX( iBorderWidth );
 139         center.setY( this->rect().bottom()-iBorderWidth );
 140         drawCorner( painter, center );
 141
 142         /*bottom right corner*/
 143         center.setX( this->rect().right()-iBorderWidth );
 144         center.setY( this->rect().bottom()-iBorderWidth );
 145         drawCorner( painter, center );
 146
 147         /*top*/
 148         drawSide( painter, QPoint(iBorderWidth,0), QPoint(this->rect().right()-(iBorderWidth+1),(iBorderWidth-1)) );
 149
 150         /*right*/
 151         drawSide( painter, QPoint(this->rect().right(),this->rect().bottom()-iBorderWidth), QPoint(this->rect().right()-(iBorderWidth+1),iBorderWidth-1) );
 152
 153         /*bottom*/
 154         drawSide( painter, QPoint(this->rect().right()-iBorderWidth, this->rect().bottom()), QPoint((iBorderWidth-1),this->rect().bottom()-(iBorderWidth+1)) );
 155
 156         /*left*/
 157         drawSide( painter, QPoint(0,iBorderWidth), QPoint((iBorderWidth-1), this->rect().bottom()-(iBorderWidth+1)) );
 158
 159         /*inside*/
 160         QBrush brush( iPalette.color( QPalette::Window ) );
 161         painter.setBrush(brush);
 162         QRect inside(iBorderWidth,iBorderWidth,this->rect().right()-2*iBorderWidth,this->rect().bottom()-2*iBorderWidth);
 163         painter.drawRoundRect(inside,iBorderWidth,iBorderWidth);
 164
 165 }