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tdelibs/kdecore/kwinmodule.cpp

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/*
$Id$
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 <tqwidget.h>
#ifdef Q_WS_X11 //FIXME
#include "kwinmodule.h"
#include "kwin.h"
#include <X11/Xatom.h>
#include "kapplication.h"
#include "kdebug.h"
#include <tqtl.h>
#include <tqptrlist.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 TQWidget, public NETRootInfo4
{
public:
KWinModulePrivate(int _what)
: TQWidget(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()
{
}
TQPtrList<KWinModule> modules;
TQValueList<WId> windows;
TQValueList<WId> stackingOrder;
TQValueList<WId> systemTrayWindows;
struct StrutData
{
StrutData( WId window_, const NETStrut& strut_, int desktop_ )
: window( window_ ), strut( strut_ ), desktop( desktop_ ) {};
StrutData() {}; // for TQValueList to be happy
WId window;
NETStrut strut;
int desktop;
};
TQValueList<StrutData> strutWindows;
TQValueList<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 );
TQSize numberOfViewports(int desktop) const;
TQPoint currentViewport(int desktop) const;
};
KWinModule::KWinModule( TQObject* parent )
: TQObject( parent, "kwin_module" )
{
init(INFO_ALL);
}
KWinModule::KWinModule( TQObject* parent, int what )
: TQObject( 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)
{
TQPtrList<KWinModule> modules = static_d->modules;
delete static_d;
static_d = new KWinModulePrivate(what);
static_d->modules = modules;
for ( TQPtrListIterator<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 TQValueList<WId>& KWinModule::windows() const
{
return d->windows;
}
const TQValueList<WId>& KWinModule::stackingOrder() const
{
return d->stackingOrder;
}
bool KWinModule::hasWId(WId w) const
{
return d->windows.findIndex( w ) != -1;
}
const TQValueList<WId>& KWinModule::systemTrayWindows() const
{
return d->systemTrayWindows;
}
TQSize KWinModulePrivate::numberOfViewports(int desktop) const
{
NETSize netdesktop = desktopGeometry(desktop);
TQSize s(netdesktop.width / TQApplication::desktop()->width(),
netdesktop.height / TQApplication::desktop()->height());
// workaround some kwin bugs
if (s.width() < 1) s.setWidth(1);
if (s.height() < 1) s.setHeight(1);
return s;
}
TQPoint KWinModulePrivate::currentViewport(int desktop) const
{
NETPoint netviewport = desktopViewport(desktop);
return TQPoint(1+(netviewport.x / TQApplication::desktop()->width()),
1+(netviewport.y / TQApplication::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 ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->currentDesktopChanged( currentDesktop() );
if (( m[ PROTOCOLS ] & ActiveWindow ) && activeWindow() != old_active_window )
for ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->activeWindowChanged( activeWindow() );
if ( m[ PROTOCOLS ] & DesktopViewport ) {
for ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->currentDesktopViewportChanged(currentDesktop(),
currentViewport(currentDesktop()));
}
if ( m[ PROTOCOLS ] & DesktopGeometry ) {
for ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->desktopGeometryChanged(currentDesktop());
}
if ( m[ PROTOCOLS ] & DesktopNames )
for ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->desktopNamesChanged();
if (( m[ PROTOCOLS ] & NumberOfDesktops ) && numberOfDesktops() != old_number_of_desktops )
for ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->numberOfDesktopsChanged( numberOfDesktops() );
if ( m[ PROTOCOLS ] & WorkArea )
for ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->workAreaChanged();
if ( m[ PROTOCOLS ] & ClientListStacking ) {
updateStackingOrder();
for ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->stackingOrderChanged();
}
if(( m[ PROTOCOLS2 ] & WM2ShowingDesktop ) && showingDesktop() != old_showing_desktop ) {
for ( TQPtrListIterator<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 ( TQPtrListIterator<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( TQValueList< 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) && !TQWidget::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 ( TQPtrListIterator<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 ( TQPtrListIterator<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 ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->systemTrayWindowAdded( w );
}
void KWinModulePrivate::removeSystemTrayWin(Window w)
{
systemTrayWindows.remove( w );
for ( TQPtrListIterator<KWinModule> mit( modules ); mit.current(); ++mit )
emit (*mit)->systemTrayWindowRemoved( w );
}
int KWinModule::currentDesktop() const
{
return d->currentDesktop();
}
int KWinModule::numberOfDesktops() const
{
return d->numberOfDesktops();
}
TQSize KWinModule::numberOfViewports(int desktop) const
{
return d->numberOfViewports(desktop);
}
TQPoint KWinModule::currentViewport(int desktop) const
{
return d->currentViewport(desktop);
}
WId KWinModule::activeWindow() const
{
return d->activeWindow();
}
bool KWinModule::showingDesktop() const
{
return d->showingDesktop();
}
TQRect KWinModule::workArea( int desktop ) const
{
int desk = (desktop > 0 && desktop <= (int) d->numberOfDesktops() ) ? desktop : currentDesktop();
if ( desk <= 0 )
return TQApplication::desktop()->geometry();
NETRect r = d->workArea( desk );
if( r.size.width <= 0 || r.size.height <= 0 ) // not set
return TQApplication::desktop()->geometry();
return TQRect( r.pos.x, r.pos.y, r.size.width, r.size.height );
}
TQRect KWinModule::workArea( const TQValueList<WId>& exclude, int desktop ) const
{
TQRect all = TQApplication::desktop()->geometry();
TQRect a = all;
if (desktop == -1)
desktop = d->currentDesktop();
TQValueList<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;
TQValueList< 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
TQRect 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, TQT_SIGNAL(strutChanged())) == 0 )
d->strutSignalConnected = true;
TQObject::connectNotify( signal );
}
TQString KWinModule::desktopName( int desktop ) const
{
const char* name = d->desktopName( (desktop > 0 && desktop <= (int) d->numberOfDesktops() ) ? desktop : currentDesktop() );
if ( name && name[0] )
return TQString::fromUtf8( name );
return i18n("Desktop %1").arg( desktop );
}
void KWinModule::setDesktopName( int desktop, const TQString& name )
{
if (desktop <= 0 || desktop > (int) d->numberOfDesktops() )
desktop = currentDesktop();
d->setDesktopName( desktop, name.utf8().data() );
}
void KWinModule::doNotManage( const TQString& title )
{
if ( !kapp->dcopClient()->isAttached() )
kapp->dcopClient()->attach();
TQByteArray data, replyData;
TQCString replyType;
TQDataStream arg(data, IO_WriteOnly);
arg << title;
kapp->dcopClient()->call("kwin", "", "doNotManage(TQString)",
data, replyType, replyData);
}
#include "kwinmodule.moc"
#endif