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140 lines
4.6 KiB
140 lines
4.6 KiB
/***************************************************************************
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* Copyright Brian Ledbetter 2001-2003 <brian@shadowcom.net> *
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* Copyright Ravikiran Rajagopal 2003 <ravi@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License (version 2) as *
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* published by the Free Software Foundation. (The original KSplash/ML *
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* codebase (upto version 0.95.3) is BSD-licensed.) *
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* *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <kapplication.h>
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#include <kcmdlineargs.h>
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#include <kconfig.h>
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#include <kdebug.h>
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#include <kglobal.h>
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#include <twin.h>
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#include <tqevent.h>
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#include <tqfile.h>
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#include <tqwidget.h>
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#include <X11/Xlib.h>
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#ifdef HAVE_XCURSOR
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# include <X11/Xlib.h>
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# include <X11/Xcursor/Xcursor.h>
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#endif
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#include "objkstheme.h"
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#include "themeengine.h"
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#include "themeengine.moc"
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struct ThemeEngine::ThemeEnginePrivate
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{
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TQValueList< Window > mSplashWindows;
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};
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ThemeEngine::ThemeEngine( TQWidget *, const char *, const TQStringList& args )
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: TQVBox( 0, "wndSplash", (WFlags)(WStyle_Customize|WX11BypassWM) ), d(0), mUseWM(false)
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{
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d = new ThemeEnginePrivate;
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kapp->installX11EventFilter( this );
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kapp->installEventFilter( this );
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(void)kapp->desktop();
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XWindowAttributes rootAttr;
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XGetWindowAttributes(tqt_xdisplay(), RootWindow(tqt_xdisplay(),
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tqt_xscreen()), &rootAttr);
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XSelectInput( tqt_xdisplay(), tqt_xrootwin(),
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SubstructureNotifyMask | rootAttr.your_event_mask );
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if (args.isEmpty())
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mTheme = new ObjKsTheme( "Default" );
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else
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mTheme = new ObjKsTheme( args.first() );
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if (args.first() == "Unified") {
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mUseWM = true;
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}
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mTheme->loadCmdLineArgs( KCmdLineArgs::parsedArgs() );
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}
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ThemeEngine::~ThemeEngine()
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{
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delete d;
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}
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/*
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This is perhaps a bit crude, but I'm not aware of any better way
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of fixing #85030 and keeping backwards compatibility if there
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are any 3rd party splashscreens. Check all toplevel windows,
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force them to be WX11BypassWM (so that ksplash can handle their stacking),
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and keep them on top, even above all windows handled by KWin.
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*/
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bool ThemeEngine::eventFilter( TQObject* o, TQEvent* e )
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{
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if( e->type() == TQEvent::Show && o->isWidgetType())
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addSplashWindow( TQT_TQWIDGET( o ));
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return false;
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}
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namespace
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{
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class HackWidget : public TQWidget { friend class ::ThemeEngine; };
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}
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void ThemeEngine::addSplashWindow( TQWidget* w )
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{
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if( !w->isTopLevel())
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return;
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if( d->mSplashWindows.contains( w->winId()))
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return;
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if( !w->testWFlags( WX11BypassWM ) && (mUseWM == false))
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{ // All toplevel widgets should be probably required to be WX11BypassWM
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// for KDE4 instead of this ugly hack.
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static_cast< HackWidget* >( w )->setWFlags( WX11BypassWM );
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XSetWindowAttributes attrs;
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attrs.override_redirect = True;
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XChangeWindowAttributes( tqt_xdisplay(), w->winId(), CWOverrideRedirect, &attrs );
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}
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d->mSplashWindows.prepend( w->winId());
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connect( w, TQT_SIGNAL( destroyed( TQObject* )), TQT_SLOT( splashWindowDestroyed( TQObject* )));
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w->raise();
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}
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void ThemeEngine::splashWindowDestroyed( TQObject* obj )
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{
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d->mSplashWindows.remove( TQT_TQWIDGET( obj )->winId());
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}
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bool ThemeEngine::x11Event( XEvent* e )
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{
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if( e->type != ConfigureNotify && e->type != MapNotify )
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return false;
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if( e->type == ConfigureNotify && e->xconfigure.event != tqt_xrootwin())
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return false;
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if( e->type == MapNotify && e->xmap.event != tqt_xrootwin())
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return false;
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if( d->mSplashWindows.count() == 0 )
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return false;
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// this restacking is written in a way so that
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// if the stacking positions actually don't change,
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// all restacking operations will be no-op,
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// and no ConfigureNotify will be generated,
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// thus avoiding possible infinite loops
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XRaiseWindow( tqt_xdisplay(), d->mSplashWindows.first()); // raise topmost
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// and stack others below it
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Window* stack = new Window[ d->mSplashWindows.count() ];
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int count = 0;
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for( TQValueList< Window >::ConstIterator it = d->mSplashWindows.begin();
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it != d->mSplashWindows.end();
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++it )
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stack[ count++ ] = *it;
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XRestackWindows( x11Display(), stack, count );
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delete[] stack;
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return false;
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}
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