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Diffstat (limited to 'kdecore/kwinmodule.cpp')
| -rw-r--r-- | kdecore/kwinmodule.cpp | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/kdecore/kwinmodule.cpp b/kdecore/kwinmodule.cpp new file mode 100644 index 000000000..9e3532b0f --- /dev/null +++ b/kdecore/kwinmodule.cpp @@ -0,0 +1,480 @@ +/* + $Id$ + + This file is part of the KDE libraries + Copyright (C) 1999 Matthias Ettrich (ettrich@kde.org) + + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include <qwidget.h> +#ifdef Q_WS_X11 //FIXME +#include "kwinmodule.h" +#include "kwin.h" +#include <X11/Xatom.h> +#include "kapplication.h" +#include "kdebug.h" +#include <qtl.h> +#include <qptrlist.h> +#include <klocale.h> +#include <dcopclient.h> +#include "netwm.h" + +static KWinModulePrivate* static_d = 0; + +static unsigned long windows_properties[ 2 ] = { NET::ClientList | NET::ClientListStacking | + NET::NumberOfDesktops | + NET::DesktopGeometry | + NET::DesktopViewport | + NET::CurrentDesktop | + NET::DesktopNames | + NET::ActiveWindow | + NET::WorkArea | + NET::KDESystemTrayWindows, + NET::WM2ShowingDesktop }; + +static unsigned long desktop_properties[ 2 ] = { + NET::NumberOfDesktops | + NET::DesktopGeometry | + NET::DesktopViewport | + NET::CurrentDesktop | + NET::DesktopNames | + NET::ActiveWindow | + NET::WorkArea | + NET::KDESystemTrayWindows, + NET::WM2ShowingDesktop }; + +class KWinModulePrivate : public QWidget, public NETRootInfo4 +{ +public: + KWinModulePrivate(int _what) + : QWidget(0,0), NETRootInfo4( qt_xdisplay(), + _what >= KWinModule::INFO_WINDOWS ? + windows_properties : desktop_properties, + 2, + -1, false + ), + strutSignalConnected( false ), + what( _what ) + { + kapp->installX11EventFilter( this ); + (void ) kapp->desktop(); //trigger desktop widget creation to select root window events + activate(); + updateStackingOrder(); + } + ~KWinModulePrivate() + { + } + QPtrList<KWinModule> modules; + + QValueList<WId> windows; + QValueList<WId> stackingOrder; + QValueList<WId> systemTrayWindows; + + struct StrutData + { + StrutData( WId window_, const NETStrut& strut_, int desktop_ ) + : window( window_ ), strut( strut_ ), desktop( desktop_ ) {}; + StrutData() {}; // for QValueList to be happy + WId window; + NETStrut strut; + int desktop; + }; + QValueList<StrutData> strutWindows; + QValueList<WId> possibleStrutWindows; + bool strutSignalConnected; + int what; + + void addClient(Window); + void removeClient(Window); + void addSystemTrayWin(Window); + void removeSystemTrayWin(Window); + + bool x11Event( XEvent * ev ); + + void updateStackingOrder(); + bool removeStrutWindow( WId ); + + QSize numberOfViewports(int desktop) const; + QPoint currentViewport(int desktop) const; +}; + +KWinModule::KWinModule( QObject* parent ) + : QObject( parent, "kwin_module" ) +{ + init(INFO_ALL); +} + +KWinModule::KWinModule( QObject* parent, int what ) + : QObject( parent, "kwin_module" ) +{ + init(what); +} + +void KWinModule::init(int what) +{ + if (what >= INFO_WINDOWS) + what = INFO_WINDOWS; + else + what = INFO_DESKTOP; + + if ( !static_d ) + { + static_d = new KWinModulePrivate(what); + } + else if (static_d->what < what) + { + QPtrList<KWinModule> modules = static_d->modules; + delete static_d; + static_d = new KWinModulePrivate(what); + static_d->modules = modules; + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + (*mit)->d = static_d; + } + + d = static_d; + d->modules.append( this ); +} + +KWinModule::~KWinModule() +{ + d->modules.removeRef( this ); + if ( d->modules.isEmpty() ) { + delete d; + static_d = 0; + } +} + +const QValueList<WId>& KWinModule::windows() const +{ + return d->windows; +} + +const QValueList<WId>& KWinModule::stackingOrder() const +{ + return d->stackingOrder; +} + + +bool KWinModule::hasWId(WId w) const +{ + return d->windows.findIndex( w ) != -1; +} + +const QValueList<WId>& KWinModule::systemTrayWindows() const +{ + return d->systemTrayWindows; +} + +QSize KWinModulePrivate::numberOfViewports(int desktop) const +{ + NETSize netdesktop = desktopGeometry(desktop); + QSize s(netdesktop.width / QApplication::desktop()->width(), + netdesktop.height / QApplication::desktop()->height()); + + // workaround some kwin bugs + if (s.width() < 1) s.setWidth(1); + if (s.height() < 1) s.setHeight(1); + return s; +} + +QPoint KWinModulePrivate::currentViewport(int desktop) const +{ + NETPoint netviewport = desktopViewport(desktop); + + return QPoint(1+(netviewport.x / QApplication::desktop()->width()), + 1+(netviewport.y / QApplication::desktop()->height())); +} + +bool KWinModulePrivate::x11Event( XEvent * ev ) +{ + if ( ev->xany.window == qt_xrootwin() ) { + int old_current_desktop = currentDesktop(); + WId old_active_window = activeWindow(); + int old_number_of_desktops = numberOfDesktops(); + bool old_showing_desktop = showingDesktop(); + unsigned long m[ 5 ]; + NETRootInfo::event( ev, m, 5 ); + + if (( m[ PROTOCOLS ] & CurrentDesktop ) && currentDesktop() != old_current_desktop ) + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->currentDesktopChanged( currentDesktop() ); + if (( m[ PROTOCOLS ] & ActiveWindow ) && activeWindow() != old_active_window ) + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->activeWindowChanged( activeWindow() ); + if ( m[ PROTOCOLS ] & DesktopViewport ) { + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->currentDesktopViewportChanged(currentDesktop(), + currentViewport(currentDesktop())); + } + if ( m[ PROTOCOLS ] & DesktopGeometry ) { + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->desktopGeometryChanged(currentDesktop()); + } + if ( m[ PROTOCOLS ] & DesktopNames ) + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->desktopNamesChanged(); + if (( m[ PROTOCOLS ] & NumberOfDesktops ) && numberOfDesktops() != old_number_of_desktops ) + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->numberOfDesktopsChanged( numberOfDesktops() ); + if ( m[ PROTOCOLS ] & WorkArea ) + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->workAreaChanged(); + if ( m[ PROTOCOLS ] & ClientListStacking ) { + updateStackingOrder(); + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->stackingOrderChanged(); + } + if(( m[ PROTOCOLS2 ] & WM2ShowingDesktop ) && showingDesktop() != old_showing_desktop ) { + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->showingDesktopChanged( showingDesktop()); + } + } else if ( windows.findIndex( ev->xany.window ) != -1 ){ + NETWinInfo ni( qt_xdisplay(), ev->xany.window, qt_xrootwin(), 0 ); + unsigned long dirty[ 2 ]; + ni.event( ev, dirty, 2 ); + if ( ev->type ==PropertyNotify ) { + if( ev->xproperty.atom == XA_WM_HINTS ) + dirty[ NETWinInfo::PROTOCOLS ] |= NET::WMIcon; // support for old icons + else if( ev->xproperty.atom == XA_WM_NAME ) + dirty[ NETWinInfo::PROTOCOLS ] |= NET::WMName; // support for old name + else if( ev->xproperty.atom == XA_WM_ICON_NAME ) + dirty[ NETWinInfo::PROTOCOLS ] |= NET::WMIconName; // support for old iconic name + } + if ( (dirty[ NETWinInfo::PROTOCOLS ] & NET::WMStrut) != 0 ) { + removeStrutWindow( ev->xany.window ); + if ( possibleStrutWindows.findIndex( ev->xany.window ) == -1 ) + possibleStrutWindows.append( ev->xany.window ); + } + if ( dirty[ NETWinInfo::PROTOCOLS ] || dirty[ NETWinInfo::PROTOCOLS2 ] ) { + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) { + emit (*mit)->windowChanged( ev->xany.window ); + emit (*mit)->windowChanged( ev->xany.window, dirty ); + emit (*mit)->windowChanged( ev->xany.window, dirty[ NETWinInfo::PROTOCOLS ] ); + if ( (dirty[ NETWinInfo::PROTOCOLS ] & NET::WMStrut) != 0 ) + emit (*mit)->strutChanged(); + } + } + } + + return false; +} + +bool KWinModulePrivate::removeStrutWindow( WId w ) +{ + for( QValueList< StrutData >::Iterator it = strutWindows.begin(); + it != strutWindows.end(); + ++it ) + if( (*it).window == w ) { + strutWindows.remove( it ); + return true; + } + return false; +} + +void KWinModulePrivate::updateStackingOrder() +{ + stackingOrder.clear(); + for ( int i = 0; i < clientListStackingCount(); i++ ) + stackingOrder.append( clientListStacking()[i] ); +} + +void KWinModulePrivate::addClient(Window w) +{ + if ( (what >= KWinModule::INFO_WINDOWS) && !QWidget::find( w ) ) + XSelectInput( qt_xdisplay(), w, PropertyChangeMask | StructureNotifyMask ); + bool emit_strutChanged = false; + if( strutSignalConnected && modules.count() > 0 ) { + NETWinInfo info( qt_xdisplay(), w, qt_xrootwin(), NET::WMStrut | NET::WMDesktop ); + NETStrut strut = info.strut(); + if ( strut.left || strut.top || strut.right || strut.bottom ) { + strutWindows.append( StrutData( w, strut, info.desktop())); + emit_strutChanged = true; + } + } else + possibleStrutWindows.append( w ); + windows.append( w ); + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) { + emit (*mit)->windowAdded( w ); + if ( emit_strutChanged ) + emit (*mit)->strutChanged(); + } +} + +void KWinModulePrivate::removeClient(Window w) +{ + bool emit_strutChanged = removeStrutWindow( w ); + if( strutSignalConnected && possibleStrutWindows.findIndex( w ) != -1 && modules.count() > 0 ) { + NETWinInfo info( qt_xdisplay(), w, qt_xrootwin(), NET::WMStrut ); + NETStrut strut = info.strut(); + if ( strut.left || strut.top || strut.right || strut.bottom ) { + emit_strutChanged = true; + } + } + possibleStrutWindows.remove( w ); + windows.remove( w ); + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) { + emit (*mit)->windowRemoved( w ); + if ( emit_strutChanged ) + emit (*mit)->strutChanged(); + } +} + +void KWinModulePrivate::addSystemTrayWin(Window w) +{ + systemTrayWindows.append( w ); + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->systemTrayWindowAdded( w ); +} + +void KWinModulePrivate::removeSystemTrayWin(Window w) +{ + systemTrayWindows.remove( w ); + for ( QPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit ) + emit (*mit)->systemTrayWindowRemoved( w ); +} + +int KWinModule::currentDesktop() const +{ + return d->currentDesktop(); +} + +int KWinModule::numberOfDesktops() const +{ + return d->numberOfDesktops(); +} + +QSize KWinModule::numberOfViewports(int desktop) const +{ + return d->numberOfViewports(desktop); +} + +QPoint KWinModule::currentViewport(int desktop) const +{ + return d->currentViewport(desktop); +} + +WId KWinModule::activeWindow() const +{ + return d->activeWindow(); +} + +bool KWinModule::showingDesktop() const +{ + return d->showingDesktop(); +} + +QRect KWinModule::workArea( int desktop ) const +{ + int desk = (desktop > 0 && desktop <= (int) d->numberOfDesktops() ) ? desktop : currentDesktop(); + if ( desk <= 0 ) + return QApplication::desktop()->geometry(); + NETRect r = d->workArea( desk ); + if( r.size.width <= 0 || r.size.height <= 0 ) // not set + return QApplication::desktop()->geometry(); + return QRect( r.pos.x, r.pos.y, r.size.width, r.size.height ); +} + +QRect KWinModule::workArea( const QValueList<WId>& exclude, int desktop ) const +{ + QRect all = QApplication::desktop()->geometry(); + QRect a = all; + + if (desktop == -1) + desktop = d->currentDesktop(); + + QValueList<WId>::ConstIterator it1; + for( it1 = d->windows.begin(); it1 != d->windows.end(); ++it1 ) { + + if(exclude.findIndex(*it1) != -1) continue; + +// Kicker (very) extensively calls this function, causing hundreds of roundtrips just +// to repeatedly find out struts of all windows. Therefore strut values for strut +// windows are cached here. + NETStrut strut; + QValueList< KWinModulePrivate::StrutData >::Iterator it2 = d->strutWindows.begin(); + for( ; + it2 != d->strutWindows.end(); + ++it2 ) + if( (*it2).window == *it1 ) + break; + if( it2 != d->strutWindows.end()) { + if(!((*it2).desktop == desktop || (*it2).desktop == NETWinInfo::OnAllDesktops )) + continue; + strut = (*it2).strut; + } else if( d->possibleStrutWindows.findIndex( *it1 ) != -1 ) { + NETWinInfo info( qt_xdisplay(), (*it1), qt_xrootwin(), NET::WMStrut | NET::WMDesktop); + strut = info.strut(); + d->possibleStrutWindows.remove( *it1 ); + d->strutWindows.append( KWinModulePrivate::StrutData( *it1, info.strut(), info.desktop())); + if(!(info.desktop() == desktop || info.desktop() == NETWinInfo::OnAllDesktops)) + continue; + } else + continue; // not a strut window + + QRect r = all; + if ( strut.left > 0 ) + r.setLeft( r.left() + (int) strut.left ); + if ( strut.top > 0 ) + r.setTop( r.top() + (int) strut.top ); + if ( strut.right > 0 ) + r.setRight( r.right() - (int) strut.right ); + if ( strut.bottom > 0 ) + r.setBottom( r.bottom() - (int) strut.bottom ); + + a = a.intersect(r); + } + return a; +} + +void KWinModule::connectNotify( const char* signal ) +{ + if( !d->strutSignalConnected && qstrcmp( signal, SIGNAL(strutChanged())) == 0 ) + d->strutSignalConnected = true; + QObject::connectNotify( signal ); +} + +QString KWinModule::desktopName( int desktop ) const +{ + const char* name = d->desktopName( (desktop > 0 && desktop <= (int) d->numberOfDesktops() ) ? desktop : currentDesktop() ); + if ( name && name[0] ) + return QString::fromUtf8( name ); + return i18n("Desktop %1").arg( desktop ); +} + +void KWinModule::setDesktopName( int desktop, const QString& name ) +{ + if (desktop <= 0 || desktop > (int) d->numberOfDesktops() ) + desktop = currentDesktop(); + d->setDesktopName( desktop, name.utf8().data() ); +} + + +void KWinModule::doNotManage( const QString& title ) +{ + if ( !kapp->dcopClient()->isAttached() ) + kapp->dcopClient()->attach(); + QByteArray data, replyData; + QCString replyType; + QDataStream arg(data, IO_WriteOnly); + arg << title; + kapp->dcopClient()->call("kwin", "", "doNotManage(QString)", + data, replyType, replyData); +} + +#include "kwinmodule.moc" +#endif |