workspace/kwin/clients/ozone/snippet.cpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 // oxygenbutton.h
   3 // -------------------
   4 // Ozone window decoration for KDE. Buttons.
   5 // -------------------
   6 // Copyright (c) 2006, 2007 Riccardo Iaconelli <ruphy@fsfe.org>
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining a copy
   9 // of this software and associated documentation files (the "Software"), to
  10 // deal in the Software without restriction, including without limitation the
  11 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  12 // sell copies of the Software, and to permit persons to whom the Software is
  13 // furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24 // IN THE SOFTWARE.
  25 //////////////////////////////////////////////////////////////////////////////
  26
  27 class OxygenWidget : public QWidget
  28 {
  29 protected:
  30     virtual void paintEvent ( QPaintEvent * event );
  31 };
  32
  33 void OxygenWidget::paintEvent ( QPaintEvent * )
  34 {
  35     QPainter painter(this);
  36
  37     QRadialGradient grad1(QPointF(5.0, 5.0),5.0);
  38     grad1.setColorAt(0.9, QColor(0,0,0,100));
  39     grad1.setColorAt(1.0, QColor(0,0,0,0));
  40     QRadialGradient grad2(QPointF(5.0, 5.0),5.0);
  41     grad2.setColorAt(0.0, QColor(235,235,235));
  42     grad2.setColorAt(1.0, QColor(220,220,220));
  43     QRadialGradient grad3(QPointF(5.0, 3.75), 3.5,QPointF(5.0, 2.5));
  44     grad3.setColorAt(0, QColor(255,255,255,50));
  45     grad3.setColorAt(1, QColor(255,255,255,0));
  46     QRadialGradient grad4(QPointF(5.0, 3.3), 3.5, QPointF(5.0, 2.1));
  47     grad4.setColorAt(0, QColor(255,255,255,50));
  48     grad4.setColorAt(1, QColor(255,255,255,0));
  49     QBrush brush1(grad1);
  50     QBrush brush2(grad2);
  51     QBrush brush3(grad3);
  52     QBrush brush4(grad4);
  53
  54     painter.scale(1.6, 1.6);
  55     painter.setRenderHint(QPainter::Antialiasing,true);
  56
  57     QPainterPath path1;
  58     path1.addEllipse(0.0, 0.0, 10.0, 10.0);
  59     painter.fillPath(path1, brush1);
  60
  61     QPainterPath path2;
  62     path2.addEllipse(0.5, 0.5, 9.0, 9.0);
  63     painter.fillPath(path2, brush2);
  64
  65     QPainterPath path3;
  66     path3.addEllipse(1.5, 0.5, 7.0, 6.0);
  67     painter.fillPath(path3, brush3);
  68
  69     QPainterPath path4;
  70     path4.addEllipse(1.5, 0.5, 7.0, 6.0);
  71     painter.fillPath(path4, brush4);
  72 }