workspace/plasma/applets/kickoff/ui/brandingbutton.cpp

   1 /*
   2     Copyright 2008 Aaron Seigo <aseigo@kde.org>
   3
   4     This library is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU Library General Public
   6     License as published by the Free Software Foundation; either
   7     version 2 of the License, or (at your option) any later version.
   8
   9     This library is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     Library General Public License for more details.
  13
  14     You should have received a copy of the GNU Library General Public License
  15     along with this library; see the file COPYING.LIB.  If not, write to
  16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17     Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include "brandingbutton.h"
  21
  22 #include <QtGui/QPainter>
  23
  24 #include <KConfigGroup>
  25 #include <KDebug>
  26 #include <KStandardDirs>
  27 #include <KRun>
  28
  29 #include <Plasma/Svg>
  30 #include <Plasma/Theme>
  31
  32 namespace Kickoff
  33 {
  34
  35 BrandingButton::BrandingButton(QWidget *parent)
  36         : QToolButton(parent),
  37         m_svg(new Plasma::Svg(this))
  38 {
  39     m_svg->setImagePath("widgets/branding");
  40     m_svg->resize();
  41     checkBranding();
  42     connect(m_svg, SIGNAL(repaintNeeded()), this, SLOT(checkBranding()));
  43     connect(this, SIGNAL(clicked()), SLOT(openHomepage()));
  44     setCursor(Qt::PointingHandCursor);
  45 }
  46
  47 QSize BrandingButton::minimumSizeHint() const
  48 {
  49     return sizeHint();
  50 }
  51
  52 QSize BrandingButton::sizeHint() const
  53 {
  54     return m_size;
  55 }
  56
  57 void BrandingButton::checkBranding()
  58 {
  59     m_doingBranding = m_svg->isValid() && m_svg->hasElement("brilliant");
  60
  61     if (!m_doingBranding) {
  62         m_size = QSize();
  63         return;
  64     }
  65
  66     m_size = m_svg->elementSize("brilliant");
  67 }
  68
  69 void BrandingButton::openHomepage()
  70 {
  71     //FIXME: 4.3 .. add a brandingConfig to Theme
  72     KUrl home("http://www.kde.org");
  73     QString themePath = KStandardDirs::locate("data", "desktoptheme/" +
  74                                               Plasma::Theme::defaultTheme()->themeName() +
  75                                               "/metadata.desktop");
  76     if (!themePath.isEmpty()) {
  77         KConfig c(themePath);
  78         KConfigGroup brandConfig(&c, "Branding");
  79         home = brandConfig.readEntry("homepage", home);
  80     }
  81
  82     new KRun(home, topLevelWidget(), false, false);
  83 }
  84
  85 void BrandingButton::paintEvent(QPaintEvent *event)
  86 {
  87     Q_UNUSED(event);
  88     if (!m_doingBranding) {
  89         //kDebug() << "bad branding svg!";
  90         return;
  91     }
  92
  93     QPainter p(this);
  94     QSize s = m_svg->elementSize("brilliant");
  95     QRect r = rect();
  96
  97     // center ourselves in the full rect
  98     if (r.width() > s.width()) {
  99         r.setX(r.x() + (r.width() - s.width()) / 2);
 100     }
 101
 102     if (r.height() > s.height()) {
 103         r.setY(r.y() + (r.height() - s.height()) / 2);
 104     }
 105
 106     m_svg->paint(&p, rect(), "brilliant");
 107 }
 108
 109 } // namespace KickOff
 110
 111 #include "brandingbutton.moc"
 112
 113