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kwin/toplevel.cpp
Luboš Luňák 3b2b091c34 Make a clear distinction between types we support only for compositing 
and types that are actually supported when managing windows.


svn path=/trunk/KDE/kdebase/workspace/; revision=746036
2007-12-07 15:53:43 +00:00

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "toplevel.h"
#include <kxerrorhandler.h>
#include "atoms.h"
#include "client.h"
#include "effects.h"
namespace KWin
{
Toplevel::Toplevel( Workspace* ws )
: vis( NULL )
, info( NULL )
, ready_for_painting( true )
, client( None )
, frame( None )
, wspace( ws )
, window_pix( None )
#ifdef HAVE_XDAMAGE
, damage_handle( None )
#endif
, is_shape( false )
, effect_window( NULL )
, wmClientLeaderWin( 0 )
{
}
Toplevel::~Toplevel()
{
#ifdef HAVE_XDAMAGE
assert( damage_handle == None );
#endif
discardWindowPixmap();
delete info;
}
kdbgstream& operator<<( kdbgstream& stream, const Toplevel* cl )
{
if( cl == NULL )
return stream << "\'NULL\'";
cl->debug( stream );
return stream;
}
kdbgstream& operator<<( kdbgstream& stream, const ToplevelList& list )
{
stream << "LIST:(";
bool first = true;
for( ToplevelList::ConstIterator it = list.begin();
it != list.end();
++it )
{
if( !first )
stream << ":";
first = false;
stream << *it;
}
stream << ")";
return stream;
}
kdbgstream& operator<<( kdbgstream& stream, const ConstToplevelList& list )
{
stream << "LIST:(";
bool first = true;
for( ConstToplevelList::ConstIterator it = list.begin();
it != list.end();
++it )
{
if( !first )
stream << ":";
first = false;
stream << *it;
}
stream << ")";
return stream;
}
void Toplevel::detectShape( Window id )
{
is_shape = Extensions::hasShape( id );
}
// used only by Deleted::copy()
void Toplevel::copyToDeleted( Toplevel* c )
{
geom = c->geom;
vis = c->vis;
bit_depth = c->bit_depth;
info = c->info;
client = c->client;
frame = c->frame;
wspace = c->wspace;
window_pix = c->window_pix;
ready_for_painting = c->ready_for_painting;
#ifdef HAVE_XDAMAGE
damage_handle = None;
#endif
damage_region = c->damage_region;
repaints_region = c->repaints_region;
is_shape = c->is_shape;
effect_window = c->effect_window;
if( effect_window != NULL )
effect_window->setWindow( this );
resource_name = c->resourceName();
resource_class = c->resourceClass();
client_machine = c->wmClientMachine( false );
wmClientLeaderWin = c->wmClientLeader();
window_role = c->windowRole();
// this needs to be done already here, otherwise 'c' could very likely
// call discardWindowPixmap() in something called during cleanup
c->window_pix = None;
}
// before being deleted, remove references to everything that's now
// owner by Deleted
void Toplevel::disownDataPassedToDeleted()
{
info = NULL;
}
NET::WindowType Toplevel::windowType( bool direct, int supported_types ) const
{
if( supported_types == 0 )
supported_types = dynamic_cast< const Client* >( this ) != NULL
? SUPPORTED_MANAGED_WINDOW_TYPES_MASK : SUPPORTED_UNMANAGED_WINDOW_TYPES_MASK;
NET::WindowType wt = info->windowType( supported_types );
if( direct )
return wt;
const Client* cl = dynamic_cast< const Client* >( this );
#warning TODO
// NET::WindowType wt2 = rules()->checkType( wt );
NET::WindowType wt2 = wt;
if( wt != wt2 )
{
wt = wt2;
info->setWindowType( wt ); // force hint change
}
// hacks here
if( wt == NET::Menu && cl != NULL )
{
// ugly hack to support the times when NET::Menu meant NET::TopMenu
// if it's as wide as the screen, not very high and has its upper-left
// corner a bit above the screen's upper-left cornet, it's a topmenu
if( x() == 0 && y() < 0 && y() > -10 && height() < 100
&& abs( width() - workspace()->clientArea( FullArea, cl ).width()) < 10 )
wt = NET::TopMenu;
}
// TODO change this to rule
const char* const oo_prefix = "openoffice.org"; // QByteArray has no startsWith()
// oo_prefix is lowercase, because resourceClass() is forced to be lowercase
if( qstrncmp( resourceClass(), oo_prefix, strlen( oo_prefix )) == 0 && wt == NET::Dialog )
wt = NET::Normal; // see bug #66065
if( wt == NET::Unknown && cl != NULL ) // this is more or less suggested in NETWM spec
wt = cl->isTransient() ? NET::Dialog : NET::Normal;
return wt;
}
void Toplevel::getWindowRole()
{
window_role = getStringProperty( window(), atoms->wm_window_role).toLower();
}
/*!
Returns SM_CLIENT_ID property for a given window.
*/
QByteArray Toplevel::staticSessionId(WId w)
{
return getStringProperty(w, atoms->sm_client_id);
}
/*!
Returns WM_COMMAND property for a given window.
*/
QByteArray Toplevel::staticWmCommand(WId w)
{
return getStringProperty(w, XA_WM_COMMAND, ' ');
}
/*!
Returns WM_CLIENT_LEADER property for a given window.
*/
Window Toplevel::staticWmClientLeader(WId w)
{
Atom type;
int format, status;
unsigned long nitems = 0;
unsigned long extra = 0;
unsigned char *data = 0;
Window result = w;
KXErrorHandler err;
status = XGetWindowProperty( display(), w, atoms->wm_client_leader, 0, 10000,
false, XA_WINDOW, &type, &format,
&nitems, &extra, &data );
if (status == Success && !err.error( false ))
{
if (data && nitems > 0)
result = *((Window*) data);
XFree(data);
}
return result;
}
void Toplevel::getWmClientLeader()
{
wmClientLeaderWin = staticWmClientLeader(window());
}
/*!
Returns sessionId for this client,
taken either from its window or from the leader window.
*/
QByteArray Toplevel::sessionId()
{
QByteArray result = staticSessionId(window());
if (result.isEmpty() && wmClientLeaderWin && wmClientLeaderWin!=window())
result = staticSessionId(wmClientLeaderWin);
return result;
}
/*!
Returns command property for this client,
taken either from its window or from the leader window.
*/
QByteArray Toplevel::wmCommand()
{
QByteArray result = staticWmCommand(window());
if (result.isEmpty() && wmClientLeaderWin && wmClientLeaderWin!=window())
result = staticWmCommand(wmClientLeaderWin);
return result;
}
void Toplevel::getWmClientMachine()
{
client_machine = getStringProperty(window(), XA_WM_CLIENT_MACHINE);
if( client_machine.isEmpty() && wmClientLeaderWin && wmClientLeaderWin!=window())
client_machine = getStringProperty(wmClientLeaderWin, XA_WM_CLIENT_MACHINE);
if( client_machine.isEmpty())
client_machine = "localhost";
}
/*!
Returns client machine for this client,
taken either from its window or from the leader window.
*/
QByteArray Toplevel::wmClientMachine( bool use_localhost ) const
{
QByteArray result = client_machine;
if( use_localhost )
{ // special name for the local machine (localhost)
if( result != "localhost" && isLocalMachine( result ))
result = "localhost";
}
return result;
}
/*!
Returns client leader window for this client.
Returns the client window itself if no leader window is defined.
*/
Window Toplevel::wmClientLeader() const
{
if (wmClientLeaderWin)
return wmClientLeaderWin;
return window();
}
void Toplevel::getResourceClass()
{
XClassHint classHint;
if( XGetClassHint( display(), window(), &classHint ) )
{
// Qt3.2 and older had this all lowercase, Qt3.3 capitalized resource class.
// Force lowercase, so that workarounds listing resource classes still work.
resource_name = QByteArray( classHint.res_name ).toLower();
resource_class = QByteArray( classHint.res_class ).toLower();
XFree( classHint.res_name );
XFree( classHint.res_class );
}
else
{
resource_name = resource_class = QByteArray();
}
}
double Toplevel::opacity() const
{
if( info->opacity() == 0xffffffff )
return 1.0;
return info->opacity() * 1.0 / 0xffffffff;
}
void Toplevel::setOpacity( double new_opacity )
{
double old_opacity = opacity();
new_opacity = qBound( 0.0, new_opacity, 1.0 );
if( old_opacity == new_opacity )
return;
info->setOpacity( static_cast< unsigned long >( new_opacity * 0xffffffff ));
if( compositing())
{
addRepaintFull();
scene->windowOpacityChanged( this );
if( effects )
static_cast<EffectsHandlerImpl*>(effects)->windowOpacityChanged( effectWindow(), old_opacity );
}
}
} // namespace
#include "toplevel.moc"
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