kwin/effects.cpp
Lucas Murray d515abb82c Added screenNumber() and addRepaint(QRegion) to effects API
svn path=/trunk/KDE/kdebase/workspace/; revision=822215
2008-06-19 14:16:21 +00:00

1317 lines
36 KiB
C++

/********************************************************************
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 "effects.h"
#include "deleted.h"
#include "client.h"
#include "group.h"
#include "scene_xrender.h"
#include "scene_opengl.h"
#include "unmanaged.h"
#include "workspace.h"
#include "kwinglutils.h"
#include <QFile>
#include "kdebug.h"
#include "klibloader.h"
#include "kdesktopfile.h"
#include "kconfiggroup.h"
#include "kstandarddirs.h"
#include <kservice.h>
#include <kservicetypetrader.h>
#include <kplugininfo.h>
#include <assert.h>
namespace KWin
{
EffectsHandlerImpl::EffectsHandlerImpl(CompositingType type)
: EffectsHandler(type)
, keyboard_grab_effect( NULL )
, fullscreen_effect( 0 )
{
reconfigure();
}
EffectsHandlerImpl::~EffectsHandlerImpl()
{
if( keyboard_grab_effect != NULL )
ungrabKeyboard();
foreach( const EffectPair &ep, loaded_effects )
unloadEffect( ep.first );
foreach( const InputWindowPair &pos, input_windows )
XDestroyWindow( display(), pos.second );
}
void EffectsHandlerImpl::reconfigure()
{
KSharedConfig::Ptr _config = KGlobal::config();
KConfigGroup conf(_config, "Plugins");
KService::List offers = KServiceTypeTrader::self()->query("KWin/Effect");
QStringList effectsToBeLoaded;
// First unload necessary effects
foreach( const KService::Ptr &service, offers )
{
KPluginInfo plugininfo( service );
plugininfo.load( conf );
bool isloaded = isEffectLoaded( plugininfo.pluginName() );
bool shouldbeloaded = plugininfo.isPluginEnabled();
if( !shouldbeloaded && isloaded )
unloadEffect( plugininfo.pluginName() );
if( shouldbeloaded )
effectsToBeLoaded.append( plugininfo.pluginName() );
}
// Then load those that should be loaded
foreach( const QString &effectName, effectsToBeLoaded )
{
if( !isEffectLoaded( effectName ))
{
loadEffect( effectName );
}
}
}
// the idea is that effects call this function again which calls the next one
void EffectsHandlerImpl::prePaintScreen( ScreenPrePaintData& data, int time )
{
if( current_paint_screen < loaded_effects.size())
{
loaded_effects[current_paint_screen++].second->prePaintScreen( data, time );
--current_paint_screen;
}
// no special final code
}
void EffectsHandlerImpl::paintScreen( int mask, QRegion region, ScreenPaintData& data )
{
if( current_paint_screen < loaded_effects.size())
{
loaded_effects[current_paint_screen++].second->paintScreen( mask, region, data );
--current_paint_screen;
}
else
scene->finalPaintScreen( mask, region, data );
}
void EffectsHandlerImpl::postPaintScreen()
{
if( current_paint_screen < loaded_effects.size())
{
loaded_effects[current_paint_screen++].second->postPaintScreen();
--current_paint_screen;
}
// no special final code
}
void EffectsHandlerImpl::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
{
if( current_paint_window < loaded_effects.size())
{
loaded_effects[current_paint_window++].second->prePaintWindow( w, data, time );
--current_paint_window;
}
// no special final code
}
void EffectsHandlerImpl::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
if( current_paint_window < loaded_effects.size())
{
loaded_effects[current_paint_window++].second->paintWindow( w, mask, region, data );
--current_paint_window;
}
else
scene->finalPaintWindow( static_cast<EffectWindowImpl*>( w ), mask, region, data );
}
void EffectsHandlerImpl::postPaintWindow( EffectWindow* w )
{
if( current_paint_window < loaded_effects.size())
{
loaded_effects[current_paint_window++].second->postPaintWindow( w );
--current_paint_window;
}
// no special final code
}
void EffectsHandlerImpl::drawWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
if( current_draw_window < loaded_effects.size())
{
loaded_effects[current_draw_window++].second->drawWindow( w, mask, region, data );
--current_draw_window;
}
else
scene->finalDrawWindow( static_cast<EffectWindowImpl*>( w ), mask, region, data );
}
// start another painting pass
void EffectsHandlerImpl::startPaint()
{
assert( current_paint_screen == 0 );
assert( current_paint_window == 0 );
assert( current_draw_window == 0 );
assert( current_transform == 0 );
}
void EffectsHandlerImpl::windowUserMovedResized( EffectWindow* c, bool first, bool last )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowUserMovedResized( c, first, last );
}
void EffectsHandlerImpl::windowOpacityChanged( EffectWindow* c, double old_opacity )
{
if( static_cast<EffectWindowImpl*>(c)->window()->opacity() == old_opacity )
return;
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowOpacityChanged( c, old_opacity );
}
void EffectsHandlerImpl::windowAdded( EffectWindow* c )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowAdded( c );
}
void EffectsHandlerImpl::windowDeleted( EffectWindow* c )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowDeleted( c );
elevated_windows.removeAll( c );
}
void EffectsHandlerImpl::windowClosed( EffectWindow* c )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowClosed( c );
}
void EffectsHandlerImpl::windowActivated( EffectWindow* c )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowActivated( c );
}
void EffectsHandlerImpl::windowMinimized( EffectWindow* c )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowMinimized( c );
}
void EffectsHandlerImpl::windowUnminimized( EffectWindow* c )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowUnminimized( c );
}
void EffectsHandlerImpl::desktopChanged( int old )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->desktopChanged( old );
}
void EffectsHandlerImpl::windowDamaged( EffectWindow* w, const QRect& r )
{
if( w == NULL )
return;
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowDamaged( w, r );
}
void EffectsHandlerImpl::windowGeometryShapeChanged( EffectWindow* w, const QRect& old )
{
if( w == NULL ) // during late cleanup effectWindow() may be already NULL
return; // in some functions that may still call this
foreach( const EffectPair &ep, loaded_effects )
ep.second->windowGeometryShapeChanged( w, old );
}
void EffectsHandlerImpl::tabBoxAdded( int mode )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->tabBoxAdded( mode );
}
void EffectsHandlerImpl::tabBoxClosed()
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->tabBoxClosed();
}
void EffectsHandlerImpl::tabBoxUpdated()
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->tabBoxUpdated();
}
void EffectsHandlerImpl::setActiveFullScreenEffect( Effect* e )
{
fullscreen_effect = e;
}
Effect* EffectsHandlerImpl::activeFullScreenEffect() const
{
return fullscreen_effect;
}
bool EffectsHandlerImpl::borderActivated( ElectricBorder border )
{
bool ret = false;
foreach( const EffectPair &ep, loaded_effects )
if( ep.second->borderActivated( border ))
ret = true; // bail out or tell all?
return ret;
}
void EffectsHandlerImpl::mouseChanged( const QPoint& pos, const QPoint& oldpos,
Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers )
{
foreach( const EffectPair &ep, loaded_effects )
ep.second->mouseChanged( pos, oldpos, buttons, oldbuttons, modifiers, oldmodifiers );
}
bool EffectsHandlerImpl::grabKeyboard( Effect* effect )
{
if( keyboard_grab_effect != NULL )
return false;
bool ret = grabXKeyboard();
if( !ret )
return false;
keyboard_grab_effect = effect;
return true;
}
void EffectsHandlerImpl::ungrabKeyboard()
{
assert( keyboard_grab_effect != NULL );
ungrabXKeyboard();
keyboard_grab_effect = NULL;
}
void EffectsHandlerImpl::grabbedKeyboardEvent( QKeyEvent* e )
{
if( keyboard_grab_effect != NULL )
keyboard_grab_effect->grabbedKeyboardEvent( e );
}
bool EffectsHandlerImpl::hasKeyboardGrab() const
{
return keyboard_grab_effect != NULL;
}
void EffectsHandlerImpl::propertyNotify( EffectWindow* c, long atom )
{
if( !registered_atoms.contains( atom ))
return;
foreach( const EffectPair &ep, loaded_effects )
ep.second->propertyNotify( c, atom );
}
void EffectsHandlerImpl::registerPropertyType( long atom, bool reg )
{
if( reg )
++registered_atoms[ atom ]; // initialized to 0 if not present yet
else
{
if( --registered_atoms[ atom ] == 0 )
registered_atoms.remove( atom );
}
}
void EffectsHandlerImpl::activateWindow( EffectWindow* c )
{
if( Client* cl = dynamic_cast< Client* >( static_cast<EffectWindowImpl*>(c)->window()))
Workspace::self()->activateClient( cl, true );
}
EffectWindow* EffectsHandlerImpl::activeWindow() const
{
return Workspace::self()->activeClient() ? Workspace::self()->activeClient()->effectWindow() : NULL;
}
void EffectsHandlerImpl::moveWindow( EffectWindow* w, const QPoint& pos )
{
Client* cl = dynamic_cast< Client* >( static_cast<EffectWindowImpl*>(w)->window());
if( cl && cl->isMovable())
cl->move( pos );
}
void EffectsHandlerImpl::windowToDesktop( EffectWindow* w, int desktop )
{
Client* cl = dynamic_cast< Client* >( static_cast<EffectWindowImpl*>(w)->window());
if( cl && !cl->isDesktop() && !cl->isDock() && !cl->isTopMenu())
Workspace::self()->sendClientToDesktop( cl, desktop, true );
}
int EffectsHandlerImpl::currentDesktop() const
{
return Workspace::self()->currentDesktop();
}
int EffectsHandlerImpl::numberOfDesktops() const
{
return Workspace::self()->numberOfDesktops();
}
void EffectsHandlerImpl::setCurrentDesktop( int desktop )
{
Workspace::self()->setCurrentDesktop( desktop );
}
QString EffectsHandlerImpl::desktopName( int desktop ) const
{
return Workspace::self()->desktopName( desktop );
}
void EffectsHandlerImpl::calcDesktopLayout(int* x, int* y, Qt::Orientation* orientation) const
{
Workspace::self()->calcDesktopLayout( x, y, orientation );
}
bool EffectsHandlerImpl::optionRollOverDesktops() const
{
return options->rollOverDesktops;
}
int EffectsHandlerImpl::desktopToLeft( int desktop, bool wrap ) const
{
return Workspace::self()->desktopToLeft( desktop, wrap );
}
int EffectsHandlerImpl::desktopToRight( int desktop, bool wrap ) const
{
return Workspace::self()->desktopToRight( desktop, wrap );
}
int EffectsHandlerImpl::desktopUp( int desktop, bool wrap ) const
{
return Workspace::self()->desktopUp( desktop, wrap );
}
int EffectsHandlerImpl::desktopDown( int desktop, bool wrap ) const
{
return Workspace::self()->desktopDown( desktop, wrap );
}
int EffectsHandlerImpl::displayWidth() const
{
return KWin::displayWidth();
}
int EffectsHandlerImpl::displayHeight() const
{
return KWin::displayWidth();
}
EffectWindow* EffectsHandlerImpl::findWindow( WId id ) const
{
if( Client* w = Workspace::self()->findClient( WindowMatchPredicate( id )))
return w->effectWindow();
if( Unmanaged* w = Workspace::self()->findUnmanaged( WindowMatchPredicate( id )))
return w->effectWindow();
return NULL;
}
EffectWindowList EffectsHandlerImpl::stackingOrder() const
{
ClientList list = Workspace::self()->stackingOrder();
EffectWindowList ret;
foreach( Client* c, list )
ret.append( effectWindow( c ));
return ret;
}
void EffectsHandlerImpl::setElevatedWindow( EffectWindow* w, bool set )
{
elevated_windows.removeAll( w );
if( set )
elevated_windows.append( w );
}
void EffectsHandlerImpl::setTabBoxWindow(EffectWindow* w)
{
if( Client* c = dynamic_cast< Client* >( static_cast< EffectWindowImpl* >( w )->window()))
Workspace::self()->setTabBoxClient( c );
}
void EffectsHandlerImpl::setTabBoxDesktop(int desktop)
{
Workspace::self()->setTabBoxDesktop( desktop );
}
EffectWindowList EffectsHandlerImpl::currentTabBoxWindowList() const
{
EffectWindowList ret;
ClientList clients = Workspace::self()->currentTabBoxClientList();
foreach( Client* c, clients )
ret.append( c->effectWindow());
return ret;
}
void EffectsHandlerImpl::refTabBox()
{
Workspace::self()->refTabBox();
}
void EffectsHandlerImpl::unrefTabBox()
{
Workspace::self()->unrefTabBox();
}
void EffectsHandlerImpl::closeTabBox()
{
Workspace::self()->closeTabBox();
}
QList< int > EffectsHandlerImpl::currentTabBoxDesktopList() const
{
return Workspace::self()->currentTabBoxDesktopList();
}
int EffectsHandlerImpl::currentTabBoxDesktop() const
{
return Workspace::self()->currentTabBoxDesktop();
}
EffectWindow* EffectsHandlerImpl::currentTabBoxWindow() const
{
if( Client* c = Workspace::self()->currentTabBoxClient())
return c->effectWindow();
return NULL;
}
void EffectsHandlerImpl::pushRenderTarget(GLRenderTarget* target)
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
target->enable();
render_targets.push(target);
#endif
}
GLRenderTarget* EffectsHandlerImpl::popRenderTarget()
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
GLRenderTarget* ret = render_targets.pop();
ret->disable();
if( !render_targets.isEmpty() )
render_targets.top()->enable();
return ret;
#else
return 0;
#endif
}
void EffectsHandlerImpl::addRepaintFull()
{
Workspace::self()->addRepaintFull();
}
void EffectsHandlerImpl::addRepaint( const QRect& r )
{
Workspace::self()->addRepaint( r );
}
void EffectsHandlerImpl::addRepaint( const QRegion& r )
{
Workspace::self()->addRepaint( r );
}
void EffectsHandlerImpl::addRepaint( int x, int y, int w, int h )
{
Workspace::self()->addRepaint( x, y, w, h );
}
int EffectsHandlerImpl::activeScreen() const
{
return Workspace::self()->activeScreen();
}
int EffectsHandlerImpl::numScreens() const
{
return Workspace::self()->numScreens();
}
int EffectsHandlerImpl::screenNumber( const QPoint& pos ) const
{
return Workspace::self()->screenNumber( pos );
}
QRect EffectsHandlerImpl::clientArea( clientAreaOption opt, int screen, int desktop ) const
{
return Workspace::self()->clientArea( opt, screen, desktop );
}
QRect EffectsHandlerImpl::clientArea( clientAreaOption opt, const EffectWindow* c ) const
{
const Toplevel* t = static_cast< const EffectWindowImpl* >(c)->window();
if( const Client* cl = dynamic_cast< const Client* >( t ))
return Workspace::self()->clientArea( opt, cl );
else
return Workspace::self()->clientArea( opt, t->geometry().center(), Workspace::self()->currentDesktop());
}
QRect EffectsHandlerImpl::clientArea( clientAreaOption opt, const QPoint& p, int desktop ) const
{
return Workspace::self()->clientArea( opt, p, desktop );
}
Window EffectsHandlerImpl::createInputWindow( Effect* e, int x, int y, int w, int h, const QCursor& cursor )
{
XSetWindowAttributes attrs;
attrs.override_redirect = True;
Window win = XCreateWindow( display(), rootWindow(), x, y, w, h, 0, 0, InputOnly, CopyFromParent,
CWOverrideRedirect, &attrs );
// TODO keeping on top?
// TODO enter/leave notify?
XSelectInput( display(), win, ButtonPressMask | ButtonReleaseMask | PointerMotionMask );
XDefineCursor( display(), win, cursor.handle());
XMapWindow( display(), win );
input_windows.append( qMakePair( e, win ));
return win;
}
void EffectsHandlerImpl::destroyInputWindow( Window w )
{
foreach( const InputWindowPair &pos, input_windows )
{
if( pos.second == w )
{
input_windows.removeAll( pos );
XDestroyWindow( display(), w );
return;
}
}
assert( false );
}
bool EffectsHandlerImpl::checkInputWindowEvent( XEvent* e )
{
if( e->type != ButtonPress && e->type != ButtonRelease && e->type != MotionNotify )
return false;
foreach( const InputWindowPair &pos, input_windows )
{
if( pos.second == e->xany.window )
{
switch( e->type )
{
case ButtonPress:
{
XButtonEvent* e2 = &e->xbutton;
Qt::MouseButton button = x11ToQtMouseButton( e2->button );
Qt::MouseButtons buttons = x11ToQtMouseButtons( e2->state ) | button;
QMouseEvent ev( QEvent::MouseButtonPress,
QPoint( e2->x, e2->y ), QPoint( e2->x_root, e2->y_root ),
button, buttons, x11ToQtKeyboardModifiers( e2->state ));
pos.first->windowInputMouseEvent( pos.second, &ev );
break; // --->
}
case ButtonRelease:
{
XButtonEvent* e2 = &e->xbutton;
Qt::MouseButton button = x11ToQtMouseButton( e2->button );
Qt::MouseButtons buttons = x11ToQtMouseButtons( e2->state ) & ~button;
QMouseEvent ev( QEvent::MouseButtonRelease,
QPoint( e2->x, e2->y ), QPoint( e2->x_root, e2->y_root ),
button, buttons, x11ToQtKeyboardModifiers( e2->state ));
pos.first->windowInputMouseEvent( pos.second, &ev );
break; // --->
}
case MotionNotify:
{
XMotionEvent* e2 = &e->xmotion;
QMouseEvent ev( QEvent::MouseMove, QPoint( e2->x, e2->y ), QPoint( e2->x_root, e2->y_root ),
Qt::NoButton, x11ToQtMouseButtons( e2->state ), x11ToQtKeyboardModifiers( e2->state ));
pos.first->windowInputMouseEvent( pos.second, &ev );
break; // --->
}
}
return true; // eat event
}
}
return false;
}
void EffectsHandlerImpl::checkInputWindowStacking()
{
if( input_windows.count() == 0 )
return;
Window* wins = new Window[ input_windows.count() ];
int pos = 0;
foreach( const InputWindowPair &it, input_windows )
wins[ pos++ ] = it.second;
XRaiseWindow( display(), wins[ 0 ] );
XRestackWindows( display(), wins, pos );
delete[] wins;
}
QPoint EffectsHandlerImpl::cursorPos() const
{
return Workspace::self()->cursorPos();
}
void EffectsHandlerImpl::checkElectricBorder(const QPoint &pos, Time time)
{
Workspace::self()->checkElectricBorder( pos, time );
}
void EffectsHandlerImpl::reserveElectricBorder( ElectricBorder border )
{
Workspace::self()->reserveElectricBorder( border );
}
void EffectsHandlerImpl::unreserveElectricBorder( ElectricBorder border )
{
Workspace::self()->unreserveElectricBorder( border );
}
void EffectsHandlerImpl::reserveElectricBorderSwitching( bool reserve )
{
Workspace::self()->reserveElectricBorderSwitching( reserve );
}
unsigned long EffectsHandlerImpl::xrenderBufferPicture()
{
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( SceneXrender* s = dynamic_cast< SceneXrender* >( scene ))
return s->bufferPicture();
#endif
return None;
}
KLibrary* EffectsHandlerImpl::findEffectLibrary( KService* service )
{
QString libname = service->library();
KLibrary* library = KLibLoader::self()->library(libname);
if( !library )
{
kError( 1212 ) << "couldn't open library for effect '" <<
service->name() << "'" << endl;
return 0;
}
return library;
}
void EffectsHandlerImpl::toggleEffect( const QString& name )
{
if( isEffectLoaded( name ))
unloadEffect( name );
else
loadEffect( name );
}
QStringList EffectsHandlerImpl::loadedEffects() const
{
QStringList listModules;
for(QVector< EffectPair >::const_iterator it = loaded_effects.constBegin(); it != loaded_effects.constEnd(); ++it)
{
listModules <<(*it).first;
}
return listModules;
}
QStringList EffectsHandlerImpl::listOfEffects() const
{
KService::List offers = KServiceTypeTrader::self()->query("KWin/Effect");
QStringList listOfModules;
// First unload necessary effects
foreach( const KService::Ptr &service, offers )
{
KPluginInfo plugininfo( service );
listOfModules<<plugininfo.pluginName();
}
return listOfModules;
}
bool EffectsHandlerImpl::loadEffect( const QString& name )
{
Workspace::self()->addRepaintFull();
assert( current_paint_screen == 0 );
assert( current_paint_window == 0 );
assert( current_draw_window == 0 );
assert( current_transform == 0 );
if( !name.startsWith("kwin4_effect_") )
kWarning( 1212 ) << "Effect names usually have kwin4_effect_ prefix" ;
// Make sure a single effect won't be loaded multiple times
for(QVector< EffectPair >::const_iterator it = loaded_effects.constBegin(); it != loaded_effects.constEnd(); ++it)
{
if( (*it).first == name )
{
kDebug( 1212 ) << "EffectsHandler::loadEffect : Effect already loaded : " << name;
return true;
}
}
kDebug( 1212 ) << "Trying to load " << name;
QString internalname = name.toLower();
QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(internalname);
KService::List offers = KServiceTypeTrader::self()->query("KWin/Effect", constraint);
if(offers.isEmpty())
{
kError( 1212 ) << "Couldn't find effect " << name << endl;
return false;
}
KService::Ptr service = offers.first();
KLibrary* library = findEffectLibrary( service.data() );
if( !library )
{
return false;
}
QString version_symbol = "effect_version_" + name;
KLibrary::void_function_ptr version_func = library->resolveFunction(version_symbol.toAscii());
if( version_func == NULL )
{
kWarning( 1212 ) << "Effect " << name << " does not provide required API version, ignoring.";
return false;
}
typedef int (*t_versionfunc)();
int version = reinterpret_cast< t_versionfunc >( version_func )(); // call it
// Version must be the same or less, but major must be the same.
// With major 0 minor must match exactly.
if( version > KWIN_EFFECT_API_VERSION
|| ( version >> 8 ) != KWIN_EFFECT_API_VERSION_MAJOR
|| ( KWIN_EFFECT_API_VERSION_MAJOR == 0 && version != KWIN_EFFECT_API_VERSION ))
{
kWarning( 1212 ) << "Effect " << name << " requires unsupported API version " << version;
return false;
}
QString supported_symbol = "effect_supported_" + name;
KLibrary::void_function_ptr supported_func = library->resolveFunction(supported_symbol.toAscii().data());
QString create_symbol = "effect_create_" + name;
KLibrary::void_function_ptr create_func = library->resolveFunction(create_symbol.toAscii().data());
if( supported_func )
{
typedef bool (*t_supportedfunc)();
t_supportedfunc supported = reinterpret_cast<t_supportedfunc>(supported_func);
if(!supported())
{
kWarning( 1212 ) << "EffectsHandler::loadEffect : Effect " << name << " is not supported" ;
library->unload();
return false;
}
}
if(!create_func)
{
kError( 1212 ) << "EffectsHandler::loadEffect : effect_create function not found" << endl;
library->unload();
return false;
}
typedef Effect* (*t_createfunc)();
t_createfunc create = reinterpret_cast<t_createfunc>(create_func);
// Make sure all depenedencies have been loaded
// TODO: detect circular deps
KPluginInfo plugininfo( service );
QStringList dependencies = plugininfo.dependencies();
foreach( const QString &depName, dependencies )
{
if( !loadEffect(depName))
{
kError() << "EffectsHandler::loadEffect : Couldn't load dependencies for effect " << name << endl;
library->unload();
return false;
}
}
Effect* e = create();
effect_order.insert( service->property( "X-KDE-Ordering" ).toInt(), EffectPair( name, e ));
effectsChanged();
effect_libraries[ name ] = library;
return true;
}
void EffectsHandlerImpl::unloadEffect( const QString& name )
{
Workspace::self()->addRepaintFull();
assert( current_paint_screen == 0 );
assert( current_paint_window == 0 );
assert( current_draw_window == 0 );
assert( current_transform == 0 );
for( QMap< int, EffectPair >::iterator it = effect_order.begin(); it != effect_order.end(); ++it)
{
if ( it.value().first == name )
{
kDebug( 1212 ) << "EffectsHandler::unloadEffect : Unloading Effect : " << name;
if( activeFullScreenEffect() == it.value().second )
{
setActiveFullScreenEffect( 0 );
}
delete it.value().second;
effect_order.erase(it);
effectsChanged();
effect_libraries[ name ]->unload();
return;
}
}
kDebug( 1212 ) << "EffectsHandler::unloadEffect : Effect not loaded : " << name;
}
void EffectsHandlerImpl::reloadEffect( const QString& name )
{
if( isEffectLoaded( name ))
{
unloadEffect( name );
loadEffect( name );
}
}
bool EffectsHandlerImpl::isEffectLoaded( const QString& name )
{
for( QVector< EffectPair >::iterator it = loaded_effects.begin(); it != loaded_effects.end(); ++it)
if ( (*it).first == name )
return true;
return false;
}
void EffectsHandlerImpl::effectsChanged()
{
loaded_effects.clear();
// kDebug(1212) << "Recreating effects' list:";
foreach( const EffectPair &effect, effect_order )
{
// kDebug(1212) << effect.first;
loaded_effects.append( effect );
}
}
//****************************************
// EffectWindowImpl
//****************************************
EffectWindowImpl::EffectWindowImpl() : EffectWindow()
, toplevel( NULL )
, sw( NULL )
{
}
EffectWindowImpl::~EffectWindowImpl()
{
}
bool EffectWindowImpl::isPaintingEnabled()
{
return sceneWindow()->isPaintingEnabled();
}
void EffectWindowImpl::enablePainting( int reason )
{
sceneWindow()->enablePainting( reason );
}
void EffectWindowImpl::disablePainting( int reason )
{
sceneWindow()->disablePainting( reason );
}
void EffectWindowImpl::addRepaint( const QRect& r )
{
toplevel->addRepaint( r );
}
void EffectWindowImpl::addRepaint( int x, int y, int w, int h )
{
toplevel->addRepaint( x, y, w, h );
}
void EffectWindowImpl::addRepaintFull()
{
toplevel->addRepaintFull();
}
int EffectWindowImpl::desktop() const
{
return toplevel->desktop();
}
bool EffectWindowImpl::isOnAllDesktops() const
{
return desktop() == NET::OnAllDesktops;
}
QString EffectWindowImpl::caption() const
{
if( Client* c = dynamic_cast<Client*>( toplevel ))
return c->caption();
else
return "";
}
QString EffectWindowImpl::windowClass() const
{
return toplevel->resourceName() + ' ' + toplevel->resourceClass();
}
QString EffectWindowImpl::windowRole() const
{
return toplevel->windowRole();
}
QPixmap EffectWindowImpl::icon() const
{
if( Client* c = dynamic_cast<Client*>( toplevel ))
return c->icon();
return QPixmap(); // TODO
}
const EffectWindowGroup* EffectWindowImpl::group() const
{
if( Client* c = dynamic_cast< Client* >( toplevel ))
return c->group()->effectGroup();
return NULL; // TODO
}
bool EffectWindowImpl::isMinimized() const
{
if( Client* c = dynamic_cast<Client*>( toplevel ))
return c->isMinimized();
else
return false;
}
double EffectWindowImpl::opacity() const
{
return toplevel->opacity();
}
bool EffectWindowImpl::isDeleted() const
{
return (dynamic_cast<Deleted*>( toplevel ) != 0);
}
void EffectWindowImpl::refWindow()
{
if( Deleted* d = dynamic_cast< Deleted* >( toplevel ))
return d->refWindow();
abort(); // TODO
}
void EffectWindowImpl::unrefWindow()
{
if( Deleted* d = dynamic_cast< Deleted* >( toplevel ))
return d->unrefWindow( true ); // delayed
abort(); // TODO
}
void EffectWindowImpl::setWindow( Toplevel* w )
{
toplevel = w;
}
void EffectWindowImpl::setSceneWindow( Scene::Window* w )
{
sw = w;
}
int EffectWindowImpl::x() const
{
return toplevel->x();
}
int EffectWindowImpl::y() const
{
return toplevel->y();
}
int EffectWindowImpl::width() const
{
return toplevel->width();
}
int EffectWindowImpl::height() const
{
return toplevel->height();
}
QRect EffectWindowImpl::geometry() const
{
return toplevel->geometry();
}
QRegion EffectWindowImpl::shape() const
{
return sw ? sw->shape() : geometry();
}
int EffectWindowImpl::screen() const
{
return toplevel->screen();
}
bool EffectWindowImpl::hasOwnShape() const
{
return toplevel->shape();
}
QSize EffectWindowImpl::size() const
{
return toplevel->size();
}
QPoint EffectWindowImpl::pos() const
{
return toplevel->pos();
}
QRect EffectWindowImpl::rect() const
{
return toplevel->rect();
}
QRect EffectWindowImpl::contentsRect() const
{
return QRect( toplevel->clientPos(), toplevel->clientSize());
}
QByteArray EffectWindowImpl::readProperty( long atom, long type, int format ) const
{
int len = 32768;
for(;;)
{
unsigned char* data;
Atom rtype;
int rformat;
unsigned long nitems, after;
if( XGetWindowProperty( QX11Info::display(), window()->window(),
atom, 0, len, False, AnyPropertyType,
&rtype, &rformat, &nitems, &after, &data ) == Success )
{
if( after > 0 )
{
XFree( data );
len *= 2;
continue;
}
if( long( rtype ) == type && rformat == format )
{
int bytelen = format == 8 ? nitems : format == 16 ? nitems * sizeof( short ) : nitems * sizeof( long );
QByteArray ret( reinterpret_cast< const char* >( data ), bytelen );
XFree( data );
return ret;
}
else // wrong format, type or something
{
XFree( data );
return QByteArray();
}
}
else // XGetWindowProperty() failed
return QByteArray();
}
}
bool EffectWindowImpl::isMovable() const
{
if( Client* c = dynamic_cast< Client* >( toplevel ))
return c->isMovable();
return false;
}
bool EffectWindowImpl::isUserMove() const
{
if( Client* c = dynamic_cast< Client* >( toplevel ))
return c->isMove();
return false;
}
bool EffectWindowImpl::isUserResize() const
{
if( Client* c = dynamic_cast< Client* >( toplevel ))
return c->isResize();
return false;
}
QRect EffectWindowImpl::iconGeometry() const
{
if( Client* c = dynamic_cast< Client* >( toplevel ))
return c->iconGeometry();
return QRect();
}
bool EffectWindowImpl::isDesktop() const
{
return toplevel->isDesktop();
}
bool EffectWindowImpl::isDock() const
{
return toplevel->isDock();
}
bool EffectWindowImpl::isToolbar() const
{
return toplevel->isToolbar();
}
bool EffectWindowImpl::isTopMenu() const
{
return toplevel->isTopMenu();
}
bool EffectWindowImpl::isMenu() const
{
return toplevel->isMenu();
}
bool EffectWindowImpl::isNormalWindow() const
{
return toplevel->isNormalWindow();
}
bool EffectWindowImpl::isSpecialWindow() const
{
if( Client* c = dynamic_cast<Client*>( toplevel ))
return c->isSpecialWindow();
else
return true;
}
bool EffectWindowImpl::isDialog() const
{
return toplevel->isDialog();
}
bool EffectWindowImpl::isSplash() const
{
return toplevel->isSplash();
}
bool EffectWindowImpl::isUtility() const
{
return toplevel->isUtility();
}
bool EffectWindowImpl::isDropdownMenu() const
{
return toplevel->isDropdownMenu();
}
bool EffectWindowImpl::isPopupMenu() const
{
return toplevel->isPopupMenu();
}
bool EffectWindowImpl::isTooltip() const
{
return toplevel->isTooltip();
}
bool EffectWindowImpl::isNotification() const
{
return toplevel->isNotification();
}
bool EffectWindowImpl::isComboBox() const
{
return toplevel->isComboBox();
}
bool EffectWindowImpl::isDNDIcon() const
{
return toplevel->isDNDIcon();
}
bool EffectWindowImpl::isManaged() const
{
return dynamic_cast< const Client* >( toplevel ) != NULL;
}
bool EffectWindowImpl::isModal() const
{
if( Client* c = dynamic_cast< Client* >( toplevel ))
return c->isModal();
return false;
}
EffectWindow* EffectWindowImpl::findModal()
{
if( Client* c = dynamic_cast< Client* >( toplevel ))
{
if( Client* c2 = c->findModal())
return c2->effectWindow();
}
return NULL;
}
EffectWindowList EffectWindowImpl::mainWindows() const
{
if( Client* c = dynamic_cast< Client* >( toplevel ))
{
EffectWindowList ret;
ClientList mainclients = c->mainClients();
foreach( Client* tmp, mainclients )
ret.append( tmp->effectWindow());
return ret;
}
return EffectWindowList();
}
WindowQuadList EffectWindowImpl::buildQuads() const
{
return sceneWindow()->buildQuads();
}
EffectWindow* effectWindow( Toplevel* w )
{
EffectWindowImpl* ret = w->effectWindow();
return ret;
}
EffectWindow* effectWindow( Scene::Window* w )
{
EffectWindowImpl* ret = w->window()->effectWindow();
ret->setSceneWindow( w );
return ret;
}
//****************************************
// EffectWindowGroupImpl
//****************************************
EffectWindowList EffectWindowGroupImpl::members() const
{
EffectWindowList ret;
foreach( Toplevel* c, group->members())
ret.append( c->effectWindow());
return ret;
}
} // namespace