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Diffstat (limited to 'kicker/kicker/core/showdesktop.cpp')
| -rw-r--r-- | kicker/kicker/core/showdesktop.cpp | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/kicker/kicker/core/showdesktop.cpp b/kicker/kicker/core/showdesktop.cpp new file mode 100644 index 000000000..5575b3b28 --- /dev/null +++ b/kicker/kicker/core/showdesktop.cpp @@ -0,0 +1,198 @@ +/***************************************************************** + +Copyright (c) 1996-2001,2002 the kicker authors. See file AUTHORS. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +******************************************************************/ + +// kicker.h needs to be up here due to compilation errors that result +// it's placed further on. >=( +#include "kicker.h" +#include "kickerSettings.h" + +#include <kwin.h> +#include <kwinmodule.h> +#include <netwm.h> + +#include "showdesktop.h" +#include "showdesktop.moc" + +ShowDesktop* ShowDesktop::the() +{ + static ShowDesktop showDesktop; + return &showDesktop; +} + +ShowDesktop::ShowDesktop() + : QObject(), + m_showingDesktop(false) +{ + // This feature is implemented in KWin. Keep old code in Kicker for the case + // KDE is running with another WM without the feature. + NETRootInfo i( qt_xdisplay(), NET::Supported ); + m_wmSupport = i.isSupported( NET::WM2ShowingDesktop ); + if( m_wmSupport ) + { + connect( Kicker::the()->kwinModule(), SIGNAL( showingDesktopChanged( bool )), + SLOT( showingDesktopChanged( bool ))); + showingDesktopChanged( m_showingDesktop = Kicker::the()->kwinModule()->showingDesktop()); + } +} + +void ShowDesktop::slotCurrentDesktopChanged(int) +{ + showDesktop( false ); +} + +void ShowDesktop::slotWindowAdded(WId w) +{ + if (!m_showingDesktop) + { + return; + } + + NETWinInfo inf(qt_xdisplay(), w, qt_xrootwin(), + NET::XAWMState | NET::WMWindowType); + NET::WindowType windowType = inf.windowType(NET::AllTypesMask); + + if ((windowType == NET::Normal || windowType == NET::Unknown) && + inf.mappingState() == NET::Visible) + { + KConfig kwincfg( "kwinrc", true ); // see in kwin + kwincfg.setGroup( "Windows" ); + if( kwincfg.readBoolEntry( "ShowDesktopIsMinimizeAll", false )) + { + m_iconifiedList.clear(); + m_showingDesktop = false; + emit desktopShown(false); + } + else + { + m_activeWindow = w; + showDesktop(false); + } + } +} + +void ShowDesktop::slotWindowChanged(WId w, unsigned int dirty) +{ + if (!m_showingDesktop) + { + return; + } + + if (dirty & NET::XAWMState) + { + NETWinInfo inf(qt_xdisplay(), w, qt_xrootwin(), + NET::XAWMState | NET::WMWindowType); + NET::WindowType windowType = inf.windowType(NET::AllTypesMask); + + if ((windowType == NET::Normal || windowType == NET::Unknown) && + inf.mappingState() == NET::Visible) + { + // a window was deiconified, abort the show desktop mode. + m_iconifiedList.clear(); + m_showingDesktop = false; + emit desktopShown(false); + } + } +} + +void ShowDesktop::showDesktop( bool b ) +{ + if (b == m_showingDesktop) + { + return; + } + + if( m_wmSupport ) + { + NETRootInfo i( qt_xdisplay(), 0 ); + i.setShowingDesktop( b ); + return; + } + + if (b) + { + m_activeWindow = Kicker::the()->kwinModule()->activeWindow(); + m_iconifiedList.clear(); + + const QValueList<WId> windows = Kicker::the()->kwinModule()->windows(); + for (QValueList<WId>::ConstIterator it = windows.begin(); + it != windows.end(); + ++it) + { + WId w = *it; + + NETWinInfo info( qt_xdisplay(), w, qt_xrootwin(), + NET::XAWMState | NET::WMDesktop ); + + if (info.mappingState() == NET::Visible && + (info.desktop() == NETWinInfo::OnAllDesktops || + info.desktop() == (int)Kicker::the()->kwinModule()->currentDesktop())) + { + m_iconifiedList.append( w ); + } + } + + // find first, hide later, otherwise transients may get minimized + // with the window they're transient for + for (QValueVector<WId>::Iterator it = m_iconifiedList.begin(); + it != m_iconifiedList.end(); + ++it) + { + KWin::iconifyWindow( *it, false ); + } + + // on desktop changes or when a window is deiconified, we abort the show desktop mode + connect(Kicker::the()->kwinModule(), SIGNAL(currentDesktopChanged(int)), + SLOT(slotCurrentDesktopChanged(int))); + connect(Kicker::the()->kwinModule(), SIGNAL(windowChanged(WId,unsigned int)), + SLOT(slotWindowChanged(WId,unsigned int))); + connect(Kicker::the()->kwinModule(), SIGNAL(windowAdded(WId)), + SLOT(slotWindowAdded(WId))); + } + else + { + disconnect(Kicker::the()->kwinModule(), SIGNAL(currentDesktopChanged(int)), + this, SLOT(slotCurrentDesktopChanged(int))); + disconnect(Kicker::the()->kwinModule(), SIGNAL(windowChanged(WId,unsigned int)), + this, SLOT(slotWindowChanged(WId,unsigned int))); + disconnect(Kicker::the()->kwinModule(), SIGNAL(windowAdded(WId)), + this, SLOT(slotWindowAdded(WId))); + + for (QValueVector<WId>::ConstIterator it = m_iconifiedList.begin(); + it != m_iconifiedList.end(); + ++it) + { + KWin::deIconifyWindow(*it, false); + } + + KWin::forceActiveWindow(m_activeWindow); + } + + m_showingDesktop = b; + emit desktopShown(m_showingDesktop); +} + +void ShowDesktop::showingDesktopChanged( bool showing ) +{ + m_showingDesktop = showing; + emit desktopShown(m_showingDesktop); +} |