workspace/krunner/krunnerdialog.cpp

   1 /*
   2  *   Copyright (C) 2006 Aaron Seigo <aseigo@kde.org>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License version 2 as
   6  *   published by the Free Software Foundation
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details
  12  *
  13  *   You should have received a copy of the GNU Library General Public
  14  *   License along with this program; if not, write to the
  15  *   Free Software Foundation, Inc.,
  16  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #include "krunnerdialog.h"
  20
  21 #include <QPainter>
  22 #include <QSvgRenderer>
  23 #include <QResizeEvent>
  24 #include <QMouseEvent>
  25 #include <QX11Info>
  26
  27 #include <KDebug>
  28 #include <NETRootInfo>
  29
  30 #include <plasma/svgpanel.h>
  31 #include <plasma/theme.h>
  32
  33 #include "krunnerapp.h"
  34
  35 #include <X11/Xlib.h>
  36
  37 KRunnerDialog::KRunnerDialog( QWidget * parent, Qt::WindowFlags f )
  38     : KDialog(parent, f)
  39 {
  40     setButtons(0);
  41     m_background = new Plasma::SvgPanel("dialogs/background", this);
  42     m_background->setBorderFlags(Plasma::SvgPanel::DrawAllBorders);
  43
  44     connect(m_background, SIGNAL(repaintNeeded()), this, SLOT(update()));
  45
  46     connect(Plasma::Theme::self(), SIGNAL(changed()), this, SLOT(themeUpdated()));
  47     themeUpdated();
  48 }
  49
  50 KRunnerDialog::~KRunnerDialog()
  51 {
  52 }
  53
  54 void KRunnerDialog::themeUpdated()
  55 {
  56     const int topHeight = m_background->marginSize(Plasma::TopMargin);
  57     const int leftWidth = m_background->marginSize(Plasma::LeftMargin);
  58     const int rightWidth = m_background->marginSize(Plasma::RightMargin);
  59     const int bottomHeight = m_background->marginSize(Plasma::BottomMargin);
  60     setContentsMargins(leftWidth, topHeight, rightWidth, bottomHeight);
  61 }
  62
  63 void KRunnerDialog::paintEvent(QPaintEvent *e)
  64 {
  65     QPainter p(this);
  66     p.setRenderHint(QPainter::Antialiasing);
  67     p.setClipRect(e->rect());
  68     //kDebug() << "clip rect set to: " << e->rect();
  69
  70     if (KRunnerApp::self()->hasCompositeManager()) {
  71         //kDebug() << "gots us a compmgr!";
  72         p.setCompositionMode(QPainter::CompositionMode_Source );
  73         p.fillRect(rect(), Qt::transparent);
  74     }
  75
  76     m_background->paint(&p, e->rect());
  77 }
  78
  79 void KRunnerDialog::resizeEvent(QResizeEvent *e)
  80 {
  81     m_background->resize(e->size());
  82     KDialog::resizeEvent(e);
  83 }
  84
  85 void KRunnerDialog::mousePressEvent(QMouseEvent *e)
  86 {
  87     // We have to release the mouse grab before initiating the move operation.
  88     // Ideally we would call releaseMouse() to do this, but when we only have an
  89     // implicit passive grab, Qt is unaware of it, and will refuse to release it.
  90     XUngrabPointer(x11Info().display(), CurrentTime);
  91
  92     // Ask the window manager to start an interactive move operation.
  93     NETRootInfo rootInfo(x11Info().display(), NET::WMMoveResize);
  94     rootInfo.moveResizeRequest(winId(), e->globalX(), e->globalY(), NET::Move);
  95
  96     e->accept();
  97 }
  98
  99 #include "krunnerdialog.moc"