Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 426 insertions, 0 deletions

diff --git a/ksplashml/wndmain.cpp b/ksplashml/wndmain.cpp
new file mode 100644
index 000000000..b5cc45c12
--- /dev/null
+++ b/ksplashml/wndmain.cpp
@@ -0,0 +1,426 @@
+/***************************************************************************
+ *   Copyright Brian Ledbetter 2001-2003 <[email protected]>             *
+ *   Copyright Ravikiran Rajagopal 2003 <[email protected]>                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License (version 2) as   *
+ *   published by the Free Software Foundation. (The original KSplash/ML   *
+ *   codebase (upto version 0.95.3) is BSD-licensed.)                      *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <unistd.h>
+
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kcursor.h>
+#include <kdebug.h>
+#include <kiconloader.h>
+#include <klibloader.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kstandarddirs.h>
+#include <ktrader.h>
+#include <kwin.h>
+#include <dcopclient.h>
+
+#include <qdir.h>
+#include <qpixmap.h>
+#include <qtimer.h>
+
+#include "objkstheme.h"
+#include "wndmain.h"
+#include "wndmain.moc"
+
+#include "themeengine.h"
+#include "themelegacy.h"
+
+// KSplash::KSplash(): This is a hidden object. Its sole purpose
+// is to manage the other objects, which are presented on the screen.
+KSplash::KSplash(const char *name)
+    : DCOPObject( name ),  QWidget( 0, name, WStyle_Customize|WStyle_NoBorder|WX11BypassWM ),
+      mState( 0 ), mMaxProgress( 0 ), mStep( 0 )
+{
+  hide(); // We never show this object.
+  mThemeLibName = QString::null;
+  mSessMgrCalled = false;
+  mTimeToGo = false;
+
+  KConfig * config = kapp->config();
+  slotReadProperties(config);
+
+  prepareSplashScreen();
+  prepareIconList();
+
+  mCurrentAction = mActionList.first();
+
+  config->setGroup( "General" );
+  if ( config->readBoolEntry( "CloseOnClick", TRUE ) )
+    mThemeEngine->installEventFilter( this );
+
+  connect( mThemeEngine, SIGNAL(destroyed()), this, SLOT(close()) );
+  connect( this, SIGNAL(stepsChanged(int)), SLOT(slotUpdateSteps(int)) );
+  connect( this, SIGNAL(progressChanged(int)), SLOT(slotUpdateProgress(int)) );
+
+  if( mKsTheme->testing() )
+  {
+    slotUpdateSteps(7);
+    QTimer::singleShot( 1000, this, SLOT(slotExec()));
+  }
+  else
+    QTimer::singleShot( 100, this, SLOT(initDcop()));
+
+  // Make sure we don't stay up forever.
+  if (!mKsTheme->managedMode())
+  {
+    close_timer = new QTimer( this );
+    connect( close_timer, SIGNAL( timeout() ), this, SLOT( close() ) );
+    close_timer->start( 60000, TRUE );
+  }
+}
+
+KSplash::~KSplash()
+{
+  delete mThemeEngine;
+  delete mKsTheme;
+  delete close_timer;
+  if (!mThemeLibName.isEmpty())
+    KLibLoader::self()->unloadLibrary( mThemeLibName.latin1() );
+}
+
+void KSplash::slotReadProperties( KConfig *config )
+{
+  KCmdLineArgs *arg = KCmdLineArgs::parsedArgs();
+  mTheme = arg->getOption("theme");
+  if (mTheme.isEmpty())
+  {
+    config->setGroup( "KSplash" );
+    mTheme = config->readEntry( "Theme", "Default" );
+  }
+  loadTheme( mTheme ); // Guaranteed to return a valid theme.
+}
+
+void KSplash::prepareIconList()
+{
+  // Managed mode icons are specified via DCOP.
+  if( mKsTheme->managedMode() )
+    return;
+
+  slotInsertAction( mKsTheme->icon( 1 ), mKsTheme->text( 1 ) );
+
+  mCurrentAction = mActionList.first();
+  slotSetText( mCurrentAction->ItemText );
+  slotSetPixmap( mCurrentAction->ItemPixmap );
+  emit progressChanged( mStep );
+
+  for (int indx = 2; indx <= 8; indx++)
+    slotInsertAction( mKsTheme->icon( indx ), mKsTheme->text( indx ) );
+}
+
+void KSplash::prepareSplashScreen()
+{
+  mThemeEngine->show();
+}
+
+void KSplash::slotInsertAction( const QString& pix, const QString& msg )
+{
+  Action *a = new Action;
+  a->ItemText = msg;
+  a->ItemPixmap = pix;
+  mActionList.append( a );
+}
+
+void KSplash::slotExec()
+{
+  QTimer::singleShot( 200, this, SLOT(nextIcon()));
+}
+
+void KSplash::nextIcon()
+{
+  if( !mCurrentAction || mTimeToGo )
+  {
+    QTimer::singleShot( 1000, this, SLOT(close()));
+    return;
+  }
+
+  mCurrentAction = mActionList.next();
+
+  if( mCurrentAction )
+  {
+    slotSetText( mCurrentAction->ItemText );
+    slotSetPixmap( mCurrentAction->ItemPixmap );
+    emit progressChanged( ++mStep );
+  }
+
+  if( mKsTheme->testing() )
+    QTimer::singleShot( 1000, this, SLOT(nextIcon()));
+}
+
+void KSplash::initDcop()
+{
+  disconnect( kapp->dcopClient(), SIGNAL( attachFailed(const QString&) ), kapp, SLOT( dcopFailure(const QString&) ) );
+
+  if ( kapp->dcopClient()->isAttached() )
+    return;
+
+  if ( kapp->dcopClient()->attach() )
+  {
+    if(!mKsTheme->managedMode())
+      upAndRunning( "dcop" );
+    kapp->dcopClient()->registerAs( "ksplash", false );
+    kapp->dcopClient()->setDefaultObject( objId() );
+  }
+  else
+  {
+    QTimer::singleShot( 100, this, SLOT(initDcop()) );
+  }
+}
+
+void KSplash::updateState( unsigned int state )
+{
+// The whole state updating in ksplashml is simply weird,
+// nextIcon() and also the themes naively assume all states
+// will come, and will come in the expected order, which
+// is not guaranteed, and can happen easily with faster machines.
+// And upAndRunning() even is written to handle it gracefully.
+  while( state > mState )
+  {
+    ++mState;
+    nextIcon();
+  }
+}
+
+// For KDE startup only.
+void KSplash::upAndRunning( QString s )
+{
+// This code is written to match ksmserver. Touch it without knowing
+// what you are doing and prepare to bite the dust.
+  bool update = true;
+  static bool firstTime = true;
+
+  if (firstTime)
+  {
+    emit stepsChanged(7);
+    firstTime = false;
+  }
+  if ( close_timer->isActive() )
+    close_timer->start( 60000, TRUE );
+
+  if( s == "dcop" )
+  {
+    if( mState > 1 ) return;
+    updateState( 1 );
+    mStep = 1;
+  }
+  else if( s == "kded" )
+  {
+    if( mState > 2 ) return;
+    updateState( 2 );
+    mStep = 2;
+  }
+  else if( s == "kcminit" )
+    ; // No icon
+  else if( s == "ksmserver" )
+  {
+    if( mState > 3 ) return;
+    updateState( 3 );
+    mStep = 3;
+  }
+  else if( s == "wm started" )
+  {
+    if( mState > 4 ) return;
+    updateState( 4 );
+    mStep = 4;
+  }
+  else if( s == "kdesktop" )
+  {
+    if( mState > 5 ) return;
+    updateState( 5 );
+    mStep = 5;
+  }
+  else if( s == "kicker" || s == "session ready" )
+  {
+    updateState( 7 );
+    mStep = 9;
+    //if(!mSessMgrCalled) emit nextIcon();
+    mTimeToGo = true;
+    close_timer->stop();
+    QTimer::singleShot( 1000, this, SLOT(close()));
+  }
+  else
+  {
+    kdDebug() << "KSplash::upAndRunning(): bad s: " << s << endl;
+    update = false;
+  }
+}
+
+// For KDE startup only.
+void KSplash::setMaxProgress(int max)
+{
+  if( max < 1 )
+      max = 1;
+  if( mThemeEngine && mState >= 6 ) // show the progressbar only after kicker is ready
+    mThemeEngine->slotUpdateSteps( max );
+  mMaxProgress = max;
+}
+
+// For KDE startup only.
+void KSplash::setProgress(int step)
+{
+  if( mThemeEngine )
+    mThemeEngine->slotUpdateProgress( mMaxProgress - step );
+}
+
+
+/*
+ * When a program starts, it sends a generic signal to KSplash indicating
+ * (a) which icon is to be displayed to the user //OR// a generic token-name
+ * indicating that KSplash can load a pre-configured icon, (b) the textual
+ * name of the process being started, and (c) a description of what the
+ * process is handling. Some examples:
+ *
+ * programStarted( QString("desktop"), QString("kdesktop"), QString("Preparing your desktop..."));
+ */
+void KSplash::programStarted( QString icon, QString name, QString desc )
+{
+  if (mTimeToGo)
+    return;
+  // No isEmpty() here: empty strings are handled by the plugins and can be passed to update the counter.
+  if (name.isNull() && icon.isNull() && desc.isNull())
+    return;
+
+  slotInsertAction( icon, desc );
+  mCurrentAction = mActionList.next();
+  slotSetText( desc );
+  slotSetPixmap( icon );
+  emit progressChanged( ++mStep );
+}
+
+void KSplash::setStartupItemCount( int count )
+{
+  emit stepsChanged( count );
+  emit progressChanged( mStep );
+}
+
+void KSplash::startupComplete()
+{
+  mTimeToGo = true;
+  QTimer::singleShot( 1000, this, SLOT(close()));
+}
+
+void KSplash::close()
+{
+  QWidget::close();
+}
+
+void KSplash::hide()
+{
+  QWidget::hide();
+}
+
+void KSplash::show()
+{
+  QWidget::show();
+}
+
+// Guaranteed to return a valid theme.
+void KSplash::loadTheme( const QString& theme )
+{
+  mKsTheme = new ObjKsTheme( theme );
+  // kdDebug() << "KSplash::loadTheme: " << theme << " : "<< mKsTheme->themeEngine() << endl;
+  mThemeEngine = _loadThemeEngine( mKsTheme->themeEngine(), theme );
+  if (!mThemeEngine)
+  {
+    mThemeEngine = new ThemeDefault( this, "", theme );
+    kdDebug() << "Standard theme loaded." << endl;
+  }
+  // The theme engine we get may not be the theme engine we requested.
+  delete mKsTheme;
+  mKsTheme = mThemeEngine->ksTheme();
+}
+
+ThemeEngine *KSplash::_loadThemeEngine( const QString& pluginName, const QString& theme )
+{
+  // Since we may be called before the DCOP server is active, we cannot use the KTrader framework for obtaining plugins. In its
+  // place, we use the following naive heuristic to locate plugins. If we are not in managed mode, and we are not in testing mode
+  // either, we assume that we have been called by startkde. In this case, we simply try to load the library whose name should
+  // conform to the following specification:
+  //       QString("ksplash") + pluginName.lower()
+  // The object should be called as follows:
+  //       QString("Theme") + pluginName
+  KLibFactory *factory = 0L;
+  QString libName;
+  QString objName;
+  // Replace this test by a "nodcop" command line option.
+  if ( /*!mKsTheme->managedMode() ||*/ !KCmdLineArgs::parsedArgs()->isSet( "dcop" ) )
+  {
+    libName = QString("ksplash%1").arg(pluginName.lower());
+    objName = QString("Theme%1").arg(pluginName);
+    // kdDebug() << "*KSplash::_loadThemeEngine: Loading " << objName << " from " << libName << endl;
+    // libname.latin1() instead of QFile::encodeName() because these are not user-modifiable files.
+    if ( (factory = KLibLoader::self()->factory ( libName.latin1() )) )
+      mThemeLibName = libName;
+  }
+  else
+  {
+    // Fancier way of locating plugins.
+    KService::List list= KTrader::self()->query("KSplash/Plugin", QString("[X-KSplash-PluginName] == '%1'").arg(pluginName));
+    KService::Ptr ptr;
+    if (!list.isEmpty())
+    {
+      ptr = list.first();
+      // libname.latin1() instead of QFile::encodeName() because these are not user-modifiable files.
+      if( (factory = KLibLoader::self()->factory( ptr->library().latin1() )) )
+      {
+        mThemeLibName = ptr->library();
+        objName = ptr->property("X-KSplash-ObjectName").toString();
+      }
+    }
+  }
+  if (factory)
+  {
+    QStringList themeTitle;
+    themeTitle << theme;
+    return static_cast<ThemeEngine *>(factory->create(this, "theme", objName.latin1(), themeTitle));
+  }
+  else
+    return 0L;
+}
+
+void KSplash::slotSetText( const QString& s )
+{
+  if( mThemeEngine )
+    mThemeEngine->slotSetText( s );
+}
+
+void KSplash::slotSetPixmap( const QString& px )
+{
+  if( mThemeEngine )
+    mThemeEngine->slotSetPixmap( px );
+}
+
+void KSplash::slotUpdateSteps( int )
+{
+// ??
+}
+
+void KSplash::slotUpdateProgress( int )
+{
+// ??
+}
+
+QPtrList<Action> KSplash::actionList()
+{
+  return mActionList;
+}
+
+bool KSplash::eventFilter( QObject *o, QEvent *e )
+{
+  if ( ( e->type() == QEvent::MouseButtonRelease ) && ( o == mThemeEngine ) )
+  {
+    QTimer::singleShot( 0, this, SLOT(close()));
+    return TRUE;
+  }
+  else
+    return FALSE;
+}