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 #ifdef Q_WS_X11
  26 #include <QX11Info>
  27 #endif
  28 #include <QBitmap>
  29
  30 #include <KDebug>
  31 #include <KWindowSystem>
  32 #include <KPluginInfo>
  33 #ifdef Q_WS_X11
  34 #include <NETRootInfo>
  35 #endif
  36
  37 #include "kworkspace/kdisplaymanager.h"
  38
  39 #include <Plasma/AbstractRunner>
  40 #include <Plasma/FrameSvg>
  41 #include <Plasma/RunnerManager>
  42 #include <Plasma/Theme>
  43
  44 #include "configdialog.h"
  45 #include "krunnerapp.h"
  46
  47 #ifdef Q_WS_X11
  48 #include <X11/Xlib.h>
  49 #endif
  50
  51 KRunnerDialog::KRunnerDialog(Plasma::RunnerManager *runnerManager, QWidget *parent, Qt::WindowFlags f )
  52     : KDialog(parent, f),
  53       m_runnerManager(runnerManager),
  54       m_configDialog(0)
  55 {
  56     setButtons(0);
  57     setWindowTitle( i18n("Run Command") );
  58     setWindowIcon(KIcon("system-run"));
  59
  60     QPalette pal = palette();
  61     pal.setColor(backgroundRole(), Qt::transparent);
  62     setPalette(pal);
  63
  64     m_background = new Plasma::FrameSvg(this);
  65     m_iconSvg = new Plasma::Svg(this);
  66
  67     {
  68         // lock because setImagePath uses KSycoca
  69         QMutexLocker lock(Plasma::AbstractRunner::bigLock());
  70         m_iconSvg->setImagePath("widgets/configuration-icons");
  71         m_background->setImagePath("dialogs/krunner");
  72     }
  73
  74     m_background->setEnabledBorders(Plasma::FrameSvg::AllBorders);
  75     m_iconSvg->setContainsMultipleImages(true);
  76     m_iconSvg->resize(KIconLoader::SizeSmall, KIconLoader::SizeSmall);
  77
  78     connect(m_background, SIGNAL(repaintNeeded()), this, SLOT(update()));
  79
  80     connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(themeUpdated()));
  81     themeUpdated();
  82 }
  83
  84 KRunnerDialog::~KRunnerDialog()
  85 {
  86 }
  87
  88 void KRunnerDialog::setStaticQueryMode(bool staticQuery)
  89 {
  90     Q_UNUSED(staticQuery)
  91 }
  92
  93 void KRunnerDialog::switchUser()
  94 {
  95     KService::Ptr service = KService::serviceByStorageId("plasma-runner-sessions.desktop");
  96     KPluginInfo info(service);
  97
  98     if (info.isValid()) {
  99         SessList sessions;
 100         KDisplayManager dm;
 101         dm.localSessions(sessions);
 102
 103         if (sessions.isEmpty()) {
 104             // no sessions to switch between, let's just start up another session directly
 105             Plasma::AbstractRunner *sessionRunner = m_runnerManager->runner(info.pluginName());
 106             if (sessionRunner) {
 107                 Plasma::QueryMatch switcher(sessionRunner);
 108                 sessionRunner->run(*m_runnerManager->searchContext(), switcher);
 109             }
 110         } else {
 111             display(QString());
 112             //TODO: create a "single runner" mode
 113             //m_header->setText(i18n("Switch users"));
 114             //m_header->setPixmap("system-switch-user");
 115
 116             //TODO: ugh, magic strings. See sessions/sessionrunner.cpp
 117             setStaticQueryMode(true);
 118             m_runnerManager->launchQuery("SESSIONS", info.pluginName());
 119         }
 120     }
 121 }
 122
 123 void KRunnerDialog::showConfigDialog()
 124 {
 125     if (!m_configDialog) {
 126         m_configDialog = new KRunnerConfigDialog(m_runnerManager);
 127         connect(m_configDialog, SIGNAL(finished()), this, SLOT(configCompleted()));
 128     }
 129
 130     KWindowSystem::setOnDesktop(m_configDialog->winId(), KWindowSystem::currentDesktop());
 131     KWindowSystem::activateWindow(m_configDialog->winId());
 132     m_configDialog->show();
 133 }
 134
 135 void KRunnerDialog::configCompleted()
 136 {
 137     m_configDialog->deleteLater();
 138     m_configDialog = 0;
 139 }
 140
 141 void KRunnerDialog::themeUpdated()
 142 {
 143     int margin = marginHint();
 144     const int topHeight = qMax(0, int(m_background->marginSize(Plasma::TopMargin)) - margin);
 145     const int leftWidth = qMax(0, int(m_background->marginSize(Plasma::LeftMargin)) - margin);
 146     const int rightWidth = qMax(0, int(m_background->marginSize(Plasma::RightMargin)) - margin);
 147     const int bottomHeight = qMax(0, int(m_background->marginSize(Plasma::BottomMargin)) - margin);
 148
 149     setContentsMargins(leftWidth, topHeight, rightWidth, bottomHeight);
 150 }
 151
 152 void KRunnerDialog::paintEvent(QPaintEvent *e)
 153 {
 154     QPainter p(this);
 155     p.setRenderHint(QPainter::Antialiasing);
 156     p.setClipRect(e->rect());
 157     //kDebug() << "clip rect set to: " << e->rect();
 158
 159     m_background->paintFrame(&p);
 160 }
 161
 162 bool KRunnerDialog::event(QEvent *event)
 163 {
 164     if (event->type() == QEvent::Paint) {
 165         QPainter p(this);
 166         p.setCompositionMode(QPainter::CompositionMode_Source);
 167         p.fillRect(rect(), Qt::transparent);
 168     }
 169
 170     return KDialog::event(event);
 171 }
 172
 173 void KRunnerDialog::resizeEvent(QResizeEvent *e)
 174 {
 175     m_background->resizeFrame(e->size());
 176 #ifdef Q_WS_X11
 177     /*FIXME for 4.3: now the clip mask always has to be on for disabling the KWin shadow,
 178     in the future something better has to be done, and enable the mask only when compositing is active
 179     if (!QX11Info::isCompositingManagerRunning()) {
 180         setMask(m_background->mask());
 181     }
 182     */
 183     setMask(m_background->mask());
 184 #else
 185     setMask(m_background->mask());
 186 #endif
 187     KDialog::resizeEvent(e);
 188 }
 189
 190 void KRunnerDialog::mousePressEvent(QMouseEvent *e)
 191 {
 192 #ifdef Q_WS_X11
 193     // We have to release the mouse grab before initiating the move operation.
 194     // Ideally we would call releaseMouse() to do this, but when we only have an
 195     // implicit passive grab, Qt is unaware of it, and will refuse to release it.
 196     XUngrabPointer(x11Info().display(), CurrentTime);
 197
 198     // Ask the window manager to start an interactive move operation.
 199     NETRootInfo rootInfo(x11Info().display(), NET::WMMoveResize);
 200     rootInfo.moveResizeRequest(winId(), e->globalX(), e->globalY(), NET::Move);
 201
 202     e->accept();
 203 #endif
 204 }
 205
 206 #include "krunnerdialog.moc"