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, 484 insertions, 0 deletions

diff --git a/ksplashml/kcmksplash/installer.cpp b/ksplashml/kcmksplash/installer.cpp
new file mode 100644
index 000000000..a2850ecfa
--- /dev/null
+++ b/ksplashml/kcmksplash/installer.cpp
@@ -0,0 +1,484 @@
+/***************************************************************************
+ *   Copyright Ravikiran Rajagopal 2003                                    *
+ *   [email protected]                                            *
+ *   Copyright (c) 1998 Stefan Taferner <[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.                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <qdir.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qtextedit.h>
+
+#include "installer.h"
+
+#include <kdebug.h>
+#include <kfiledialog.h>
+#include <kglobalsettings.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kprocess.h>
+#include <kpushbutton.h>
+#include <kstandarddirs.h>
+#include <ktar.h>
+#include <ktrader.h>
+#include <kurldrag.h>
+#include <kio/netaccess.h>
+
+ThemeListBox::ThemeListBox(QWidget *parent)
+  : KListBox(parent)
+{
+   setAcceptDrops(true);
+   connect(this, SIGNAL(mouseButtonPressed(int, QListBoxItem *, const QPoint &)),
+           this, SLOT(slotMouseButtonPressed(int, QListBoxItem *, const QPoint &)));
+}
+
+void ThemeListBox::dragEnterEvent(QDragEnterEvent* event)
+{
+   event->accept((event->source() != this) && KURLDrag::canDecode(event));
+}
+
+void ThemeListBox::dropEvent(QDropEvent* event)
+{
+   KURL::List urls;
+   if (KURLDrag::decode(event, urls))
+   {
+      emit filesDropped(urls);
+   }
+}
+
+void ThemeListBox::slotMouseButtonPressed(int button, QListBoxItem *item, const QPoint &p)
+{
+   if ((button & LeftButton) == 0) return;
+   mOldPos = p;
+   mDragFile = QString::null;
+   int cur = index(item);
+   if (cur >= 0)
+      mDragFile = text2path[text(cur)];
+}
+
+void ThemeListBox::mouseMoveEvent(QMouseEvent *e)
+{
+   if (((e->state() & LeftButton) != 0) && !mDragFile.isEmpty())
+   {
+      int delay = KGlobalSettings::dndEventDelay();
+      QPoint newPos = e->globalPos();
+      if(newPos.x() > mOldPos.x()+delay || newPos.x() < mOldPos.x()-delay ||
+         newPos.y() > mOldPos.y()+delay || newPos.y() < mOldPos.y()-delay)
+      {
+         KURL url;
+         url.setPath(mDragFile);
+         KURL::List urls;
+         urls.append(url);
+         KURLDrag *d = new KURLDrag(urls, this);
+         d->dragCopy();
+      }
+   }
+   KListBox::mouseMoveEvent(e);
+}
+
+//-----------------------------------------------------------------------------
+SplashInstaller::SplashInstaller (QWidget *aParent, const char *aName, bool aInit)
+  : QWidget(aParent, aName), mGui(!aInit)
+{
+  KGlobal::dirs()->addResourceType("ksplashthemes", KStandardDirs::kde_default("data") + "ksplash/Themes");
+
+  if (!mGui)
+    return;
+
+  QHBoxLayout* hbox = new QHBoxLayout( this, 0, KDialog::spacingHint() );
+
+  QVBoxLayout* leftbox = new QVBoxLayout( hbox, KDialog::spacingHint() );
+  hbox->setStretchFactor( leftbox, 1 );
+
+  mThemesList = new ThemeListBox(this);
+  mThemesList->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Expanding );
+  connect(mThemesList, SIGNAL(highlighted(int)), SLOT(slotSetTheme(int)));
+  connect(mThemesList, SIGNAL(filesDropped(const KURL::List&)), SLOT(slotFilesDropped(const KURL::List&)));
+  leftbox->addWidget(mThemesList);
+
+  mBtnAdd = new KPushButton( i18n("Add..."), this );
+  leftbox->addWidget( mBtnAdd );
+  connect(mBtnAdd, SIGNAL(clicked()), SLOT(slotAdd()));
+
+  mBtnRemove = new KPushButton( i18n("Remove"), this );
+  leftbox->addWidget( mBtnRemove );
+  connect(mBtnRemove, SIGNAL(clicked()), SLOT(slotRemove()));
+
+  mBtnTest = new KPushButton( i18n("Test"), this );
+  leftbox->addWidget( mBtnTest );
+  connect(mBtnTest, SIGNAL(clicked()), SLOT(slotTest()));
+
+  QVBoxLayout* rightbox = new QVBoxLayout( hbox, KDialog::spacingHint() );
+  hbox->setStretchFactor( rightbox, 3 );
+
+  mPreview = new QLabel(this);
+  mPreview->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
+  mPreview->setFrameStyle(QFrame::Panel|QFrame::Sunken);
+  mPreview->setMinimumSize(QSize(320,240));
+  mPreview->setAlignment(Qt::AlignHCenter|Qt::AlignVCenter);
+  rightbox->addWidget(mPreview);
+  rightbox->setStretchFactor( mPreview, 3 );
+
+  mText = new QTextEdit(this);
+  mText->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred );
+  mText->setMinimumSize(mText->sizeHint());
+  mText->setReadOnly(true);
+  rightbox->addWidget(mText);
+  rightbox->setStretchFactor( mText, 1 );
+
+  readThemesList();
+  load();
+}
+
+
+//-----------------------------------------------------------------------------
+SplashInstaller::~SplashInstaller()
+{
+}
+
+int SplashInstaller::addTheme(const QString &path, const QString &name)
+{
+  //kdDebug() << "SplashInstaller::addTheme: " << path << " " << name << endl;
+  QString tmp(i18n( name.utf8() ));
+  int i = mThemesList->count();
+  while((i > 0) && (mThemesList->text(i-1) > tmp))
+    i--;
+  if ((i > 0) && (mThemesList->text(i-1) == tmp))
+    return i-1;
+  mThemesList->insertItem(tmp, i);
+  mThemesList->text2path.insert( tmp, path+"/"+name );
+  return i;
+}
+
+// Copy theme package into themes directory
+void SplashInstaller::addNewTheme(const KURL &srcURL)
+{
+  QString dir = KGlobal::dirs()->saveLocation("ksplashthemes");
+  KURL url;
+  QString filename = srcURL.fileName();
+  int i = filename.findRev('.');
+  // Convert extension to lower case.
+  if (i >= 0)
+     filename = filename.left(i)+filename.mid(i).lower();
+  url.setPath(locateLocal("tmp",filename));
+
+  // Remove file from temporary directory if it aleady exists - usually the result of a failed install.
+  if ( KIO::NetAccess::exists( url, true, 0 ) )
+    KIO::NetAccess::del( url, 0 );
+
+  bool rc = KIO::NetAccess::copy(srcURL, url, 0);
+  if (!rc)
+  {
+    kdWarning() << "Failed to copy theme " << srcURL.fileName()
+        << " into temporary directory " << url.path() << endl;
+    return;
+  }
+
+  // Extract into theme directory: we may have multiple themes in one tarball!
+  KTar tarFile(url.path());
+  if (!tarFile.open(IO_ReadOnly))
+  {
+    kdDebug() << "Unable to open archive: " << url.path() << endl;
+    return;
+  }
+  KArchiveDirectory const *ad = tarFile.directory();
+  // Find first directory entry.
+  QStringList entries = ad->entries();
+  QString themeName( entries.first() );
+#if 0
+  // The isDirectory() call always returns false; why?
+  for ( QStringList::Iterator it = entries.begin(); it != entries.end(); ++it )
+  {
+    if ( ad->entry( *it )->isDirectory() )
+    {
+      themeName = *it;
+      break;
+    }
+  }
+#endif
+  // TODO: Make sure we put the entries into a subdirectory if the tarball does not.
+  // TODO: Warn the user if we overwrite something.
+  ad->copyTo(locateLocal("ksplashthemes","/"));
+  tarFile.close();
+  KIO::NetAccess::del( url, 0 );
+
+  // TODO: Update only the entries from this installation.
+  readThemesList();
+  mThemesList->setCurrentItem(findTheme(themeName));
+  mThemesList->setSelected(mThemesList->currentItem(), true);
+}
+
+//-----------------------------------------------------------------------------
+void SplashInstaller::readThemesList()
+{
+  mThemesList->clear();
+
+  // Read local themes
+  QStringList entryList = KGlobal::dirs()->resourceDirs("ksplashthemes");
+  //kdDebug() << "readThemesList: " << entryList << endl;
+  QDir dir;
+  QStringList subdirs;
+  QStringList::ConstIterator name;
+  for(name = entryList.begin(); name != entryList.end(); name++)
+  {
+    dir = *name;
+    if (!dir.exists())
+      continue;
+    subdirs = dir.entryList( QDir::Dirs );
+    // kdDebug() << "readThemesList: " << subdirs << endl;
+    // TODO: Make sure it contains a *.rc file.
+    for (QStringList::Iterator l = subdirs.begin(); l != subdirs.end(); l++ )
+      if ( !(*l).startsWith(QString(".")) )
+      {
+        mThemesList->blockSignals( true ); // Don't activate any theme until all themes are loaded.
+        addTheme(dir.path(),*l);
+        mThemesList->blockSignals( false );
+      }
+  }
+}
+
+//-----------------------------------------------------------------------------
+void SplashInstaller::defaults()
+{
+   load( true );
+}
+
+void SplashInstaller::load()
+{
+   load( false );
+}
+
+void SplashInstaller::load( bool useDefaults )
+{
+  KConfig cnf("ksplashrc");
+  cnf.setReadDefaults( useDefaults );
+  cnf.setGroup("KSplash");
+  QString curTheme = cnf.readEntry("Theme","Default");
+  mThemesList->setCurrentItem(findTheme(curTheme));
+  emit changed( useDefaults );
+}
+
+//-----------------------------------------------------------------------------
+void SplashInstaller::save()
+{
+  KConfig cnf("ksplashrc");
+  cnf.setGroup("KSplash");
+  int cur = mThemesList->currentItem();
+  if (cur < 0)
+    return;
+  QString path = mThemesList->text(cur);
+  if ( mThemesList->text2path.contains( path ) )
+    path = mThemesList->text2path[path];
+  cur = path.findRev('/');
+  cnf.writeEntry("Theme", path.mid(cur+1) );
+  cnf.sync();
+  emit changed( false );
+}
+
+//-----------------------------------------------------------------------------
+void SplashInstaller::slotRemove()
+{
+  int cur = mThemesList->currentItem();
+  if (cur < 0)
+    return;
+
+  bool rc = false;
+  QString themeName = mThemesList->text(cur);
+  QString themeDir = mThemesList->text2path[themeName];
+  if (!themeDir.isEmpty())
+  {
+     KURL url;
+     url.setPath(themeDir);
+     if (KMessageBox::warningContinueCancel(this,i18n("Delete folder %1 and its contents?").arg(themeDir),"",KGuiItem(i18n("&Delete"),"editdelete"))==KMessageBox::Continue)
+       rc = KIO::NetAccess::del(url,this);
+     else
+       return;
+  }
+  if (!rc)
+  {
+    KMessageBox::sorry(this, i18n("Failed to remove theme '%1'").arg(themeName));
+    return;
+  }
+  //mThemesList->removeItem(cur);
+  readThemesList();
+  cur = ((unsigned int)cur >= mThemesList->count())?mThemesList->count()-1:cur;
+  mThemesList->setCurrentItem(cur);
+}
+
+
+//-----------------------------------------------------------------------------
+void SplashInstaller::slotSetTheme(int id)
+{
+  bool enabled;
+  QString path(QString::null);
+  QString infoTxt;
+
+  if (id < 0)
+  {
+    mPreview->setText(QString::null);
+    mText->setText(QString::null);
+    enabled = false;
+  }
+  else
+  {
+    QString error = i18n("(Could not load theme)");
+    path = mThemesList->text(id);
+    if ( mThemesList->text2path.contains( path ) )
+        path = mThemesList->text2path[path];
+    enabled = false;
+    KURL url;
+    QString themeName;
+    if (!path.isEmpty())
+    {
+      // Make sure the correct plugin is installed.
+      int i = path.findRev('/');
+      if (i >= 0)
+        themeName = path.mid(i+1);
+      url.setPath( path + "/Theme.rc" );
+      if (!KIO::NetAccess::exists(url, true, 0))
+      {
+        url.setPath( path + "/Theme.RC" );
+        if (!KIO::NetAccess::exists(url, true, 0))
+        {
+          url.setPath( path + "/theme.rc" );
+          if (!KIO::NetAccess::exists(url, true, 0))
+            url.setPath( path + "/" + themeName + ".rc" );
+        }
+      }
+      if (KIO::NetAccess::exists(url, true, 0))
+      {
+        KConfig cnf(url.path());
+        cnf.setGroup( QString("KSplash Theme: %1").arg(themeName) );
+
+        // Get theme information.
+        infoTxt = "<qt>";
+        if ( cnf.hasKey( "Name" ) )
+          infoTxt += i18n( "<b>Name:</b> %1<br>" ).arg( cnf.readEntry( "Name", i18n( "Unknown" ) ) );
+        if ( cnf.hasKey( "Description" ) )
+          infoTxt += i18n( "<b>Description:</b> %1<br>" ).arg( cnf.readEntry( "Description", i18n( "Unknown" ) ) );
+        if ( cnf.hasKey( "Version" ) )
+          infoTxt += i18n( "<b>Version:</b> %1<br>" ).arg( cnf.readEntry( "Version", i18n( "Unknown" ) ) );
+        if ( cnf.hasKey( "Author" ) )
+          infoTxt += i18n( "<b>Author:</b> %1<br>" ).arg( cnf.readEntry( "Author", i18n( "Unknown" ) ) );
+        if ( cnf.hasKey( "Homepage" ) )
+          infoTxt += i18n( "<b>Homepage:</b> %1<br>" ).arg( cnf.readEntry( "Homepage", i18n( "Unknown" ) ) );
+        infoTxt += "</qt>";
+
+        QString pluginName( cnf.readEntry( "Engine", "Default" ) ); // Perhaps no default is better?
+        if ((KTrader::self()->query("KSplash/Plugin", QString("[X-KSplash-PluginName] == '%1'").arg(pluginName))).isEmpty())
+        {
+          enabled = false;
+          error = i18n("This theme requires the plugin %1 which is not installed.").arg(pluginName);
+        }
+        else
+          enabled = true; // Hooray, there is at least one plugin which can handle this theme.
+      }
+      else
+      {
+        error = i18n("Could not load theme configuration file.");
+      }
+    }
+    mBtnTest->setEnabled(enabled && themeName != "None" );
+    mText->setText(infoTxt);
+    if (!enabled)
+    {
+      url.setPath( path + "/" + "Preview.png" );
+      if (KIO::NetAccess::exists(url, true, 0))
+        mPreview->setPixmap(QPixmap(url.path()));
+      else
+        mPreview->setText(i18n("(Could not load theme)"));
+      KMessageBox::sorry(this, error);
+    }
+    else
+    {
+      url.setPath( path + "/" + "Preview.png" );
+      if (KIO::NetAccess::exists(url, true, 0))
+        mPreview->setPixmap(QPixmap(url.path()));
+      else
+        mPreview->setText(i18n("No preview available."));
+      emit changed(true);
+    }
+  }
+  mBtnRemove->setEnabled( !path.isEmpty() && QFileInfo(path).isWritable());
+}
+
+
+//-----------------------------------------------------------------------------
+void SplashInstaller::slotAdd()
+{
+  static QString path;
+  if (path.isEmpty()) path = QDir::homeDirPath();
+
+  KFileDialog dlg(path, "*.tgz *.tar.gz *.tar.bz2|" + i18n( "KSplash Theme Files" ), 0, 0, true);
+  dlg.setCaption(i18n("Add Theme"));
+  if (!dlg.exec())
+    return;
+
+  path = dlg.baseURL().url();
+  addNewTheme(dlg.selectedURL());
+}
+
+//-----------------------------------------------------------------------------
+void SplashInstaller::slotFilesDropped(const KURL::List &urls)
+{
+  for(KURL::List::ConstIterator it = urls.begin();
+      it != urls.end();
+      ++it)
+      addNewTheme(*it);
+}
+
+//-----------------------------------------------------------------------------
+int SplashInstaller::findTheme( const QString &theme )
+{
+  // theme is untranslated, but the listbox contains translated items
+  QString tmp(i18n( theme.utf8() ));
+  int id = mThemesList->count()-1;
+
+  while (id >= 0)
+  {
+    if (mThemesList->text(id) == tmp)
+      return id;
+    id--;
+  }
+
+  return 0;
+}
+
+//-----------------------------------------------------------------------------
+void SplashInstaller::slotTest()
+{
+  int i = mThemesList->currentItem();
+  if (i < 0)
+    return;
+  QString themeName = mThemesList->text2path[mThemesList->text(i)];
+  int r = themeName.findRev('/');
+  if (r >= 0)
+    themeName = themeName.mid(r+1);
+
+  // special handling for none and simple splashscreens
+  if( themeName == "None" )
+    return;
+  if( themeName == "Simple" )
+  {
+    KProcess proc;
+    proc << "ksplashsimple" << "--test";
+    if (!proc.start(KProcess::Block))
+      KMessageBox::error(this,i18n("Unable to start ksplashsimple."));
+    return;
+  }
+  KProcess proc;
+  proc << "ksplash" << "--test" << "--theme" << themeName;
+  if (!proc.start(KProcess::Block))
+    KMessageBox::error(this,i18n("Unable to start ksplash."));
+}
+
+//-----------------------------------------------------------------------------
+#include "installer.moc"