diff --git a/src/dolphin.cpp b/src/dolphin.cpp
index 2006089..2f80aac 100644
--- a/src/dolphin.cpp
+++ b/src/dolphin.cpp
@@ -395,7 +395,7 @@ void Dolphin::createFolder()
 
     // TODO: provide message type hint
     if (ok) {
-        statusBar->setMessage(i18n("Created folder %1.").tqarg(url.path()),
+        statusBar->setMessage(i18n("Created folder %1.").arg(url.path()),
                               DolphinStatusBar::OperationCompleted);
 
         DolphinCommand command(DolphinCommand::CreateFolder, KURL::List(), url);
@@ -405,11 +405,11 @@ void Dolphin::createFolder()
         // Creating of the folder has been failed. Check whether the creating
         // has been failed because a folder with the same name exists...
         if (KIO::NetAccess::exists(url, true, this)) {
-            statusBar->setMessage(i18n("A folder named %1 already exists.").tqarg(url.path()),
+            statusBar->setMessage(i18n("A folder named %1 already exists.").arg(url.path()),
                                   DolphinStatusBar::Error);
         }
         else {
-            statusBar->setMessage(i18n("Creating of folder %1 failed.").tqarg(url.path()),
+            statusBar->setMessage(i18n("Creating of folder %1 failed.").arg(url.path()),
                                   DolphinStatusBar::Error);
         }
 
@@ -490,7 +490,7 @@ void Dolphin::createFile()
     const TQString destPath(viewURL.prettyURL() + "/" + KIO::encodeFileName(name));
     const KURL destURL(destPath);
     if (KIO::NetAccess::exists(destURL, false, this)) {
-        statusBar->setMessage(i18n("A file named %1 already exists.").tqarg(name),
+        statusBar->setMessage(i18n("A file named %1 already exists.").arg(name),
                               DolphinStatusBar::Error);
         return;
     }
@@ -500,7 +500,7 @@ void Dolphin::createFile()
     KIO::CopyJob* job = KIO::copyAs(sourceURL, destURL);
     job->setDefaultPermissions(true);
     if (KIO::NetAccess::synchronousRun(job, this)) {
-        statusBar->setMessage(i18n("Created file %1.").tqarg(name),
+        statusBar->setMessage(i18n("Created file %1.").arg(name),
                               DolphinStatusBar::OperationCompleted);
 
         KURL::List list;
@@ -510,7 +510,7 @@ void Dolphin::createFile()
 
     }
     else {
-        statusBar->setMessage(i18n("Creating of file %1 failed.").tqarg(name),
+        statusBar->setMessage(i18n("Creating of file %1 failed.").arg(name),
                               DolphinStatusBar::Error);
     }
 }
@@ -539,11 +539,11 @@ void Dolphin::deleteItems()
 
     TQString text;
     if (itemCount > 1) {
-        text = i18n("Do you really want to delete the %1 selected items?").tqarg(itemCount);
+        text = i18n("Do you really want to delete the %1 selected items?").arg(itemCount);
     }
     else {
         const KURL& url = list.first();
-        text = i18n("Do you really want to delete '%1'?").tqarg(url.fileName());
+        text = i18n("Do you really want to delete '%1'?").arg(url.fileName());
     }
 
     const bool del = KMessageBox::warningContinueCancel(this,
@@ -715,7 +715,7 @@ void Dolphin::updatePasteAction()
             pasteAction->setText(i18n("Paste 1 File"));
         }
         else {
-            pasteAction->setText(i18n("Paste %1 Files").tqarg(count));
+            pasteAction->setText(i18n("Paste %1 Files").arg(count));
         }
     }
     else {
diff --git a/src/dolphindetailsview.cpp b/src/dolphindetailsview.cpp
index 816deb1..2442397 100644
--- a/src/dolphindetailsview.cpp
+++ b/src/dolphindetailsview.cpp
@@ -489,7 +489,7 @@ void DolphinDetailsView::slotActivationUpdate()
     update();
 
     // TODO: there must be a simpler way to say
-    // "update all tqchildren"
+    // "update all children"
     const TQObjectList list = childrenListObject();
     if (list.isEmpty()) {
         return;
@@ -713,7 +713,7 @@ void DolphinDetailsView::DolphinListViewItem::paintCell(TQPainter* painter,
                                                         const TQColorGroup& colorGroup,
                                                         int column,
                                                         int cellWidth,
-                                                        int tqalignment)
+                                                        int alignment)
 {
     const TQListView* view = listView();
     const bool isActive = TQT_BASE_OBJECT(view->parent()) == TQT_BASE_OBJECT(Dolphin::mainWin().activeView());
@@ -725,26 +725,26 @@ void DolphinDetailsView::DolphinListViewItem::paintCell(TQPainter* painter,
         const TQColor highlightColor(isActive ? backgroundColor(column) : view->colorGroup().background());
         defaultColorGroup.setColor(TQColorGroup::Highlight , highlightColor);
         defaultColorGroup.setColor(TQColorGroup::HighlightedText, colorGroup.color(TQColorGroup::Text));
-        KFileListViewItem::paintCell(painter, defaultColorGroup, column, cellWidth, tqalignment);
+        KFileListViewItem::paintCell(painter, defaultColorGroup, column, cellWidth, alignment);
 
         if (column == 0) {
             // draw the selection only on the first column
             TQListView* parent = listView();
             const int itemWidth = width(parent->fontMetrics(), parent, 0);
             if (isActive) {
-                KFileListViewItem::paintCell(painter, colorGroup, column, itemWidth, tqalignment);
+                KFileListViewItem::paintCell(painter, colorGroup, column, itemWidth, alignment);
             }
             else {
-                TQListViewItem::paintCell(painter, colorGroup, column, itemWidth, tqalignment);
+                TQListViewItem::paintCell(painter, colorGroup, column, itemWidth, alignment);
             }
         }
     }
     else {
         if (isActive) {
-            KFileListViewItem::paintCell(painter, colorGroup, column, cellWidth, tqalignment);
+            KFileListViewItem::paintCell(painter, colorGroup, column, cellWidth, alignment);
         }
         else {
-            TQListViewItem::paintCell(painter, colorGroup, column, cellWidth, tqalignment);
+            TQListViewItem::paintCell(painter, colorGroup, column, cellWidth, alignment);
         }
     }
 
diff --git a/src/dolphindetailsview.h b/src/dolphindetailsview.h
index f159303..8027f06 100644
--- a/src/dolphindetailsview.h
+++ b/src/dolphindetailsview.h
@@ -193,7 +193,7 @@ private:
                                const TQColorGroup& colorGroup,
                                int column,
                                int cellWidth,
-                               int tqalignment);
+                               int alignment);
 
         virtual void paintFocus(TQPainter* painter,
                                 const TQColorGroup& colorGroup,
diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp
index 18b1c4e..1a09dd3 100644
--- a/src/dolphiniconsview.cpp
+++ b/src/dolphiniconsview.cpp
@@ -447,7 +447,7 @@ void DolphinIconsView::slotActivationUpdate()
     update();
 
     // TODO: there must be a simpler way to say
-    // "update all tqchildren"
+    // "update all children"
     const TQObjectList list = childrenListObject();
     if (list.isEmpty()) {
         return;
diff --git a/src/dolphinview.cpp b/src/dolphinview.cpp
index 647b6fa..05e0d53 100644
--- a/src/dolphinview.cpp
+++ b/src/dolphinview.cpp
@@ -248,7 +248,7 @@ void DolphinView::renameSelectedItems()
                     if (destExists) {
                         delete progressIndicator;
                         progressIndicator = 0;
-                        view->statusBar()->setMessage(i18n("Renaming failed (item '%1' already exists).").tqarg(name),
+                        view->statusBar()->setMessage(i18n("Renaming failed (item '%1' already exists).").arg(name),
                                                       DolphinStatusBar::Error);
                         break;
                     }
@@ -575,14 +575,14 @@ void DolphinView::rename(const KURL& source, const TQString& newName)
     }
 
     if (ok) {
-        m_statusBar->setMessage(i18n("Renamed file '%1' to '%2'.").tqarg(source.fileName(), dest.fileName()),
+        m_statusBar->setMessage(i18n("Renamed file '%1' to '%2'.").arg(source.fileName(), dest.fileName()),
                                 DolphinStatusBar::OperationCompleted);
 
         DolphinCommand command(DolphinCommand::Rename, source, dest);
         UndoManager::instance().addCommand(command);
     }
     else {
-        m_statusBar->setMessage(i18n("Renaming of file '%1' to '%2' failed.").tqarg(source.fileName(), dest.fileName()),
+        m_statusBar->setMessage(i18n("Renaming of file '%1' to '%2' failed.").arg(source.fileName(), dest.fileName()),
                                 DolphinStatusBar::Error);
         reload();
     }
@@ -930,7 +930,7 @@ void DolphinView::startDirLister(const KURL& url, bool reload)
             m_statusBar->setMessage(i18n("The location is empty."), DolphinStatusBar::Error);
         }
         else {
-            m_statusBar->setMessage(i18n("The location '%1' is invalid.").tqarg(location),
+            m_statusBar->setMessage(i18n("The location '%1' is invalid.").arg(location),
                                     DolphinStatusBar::Error);
         }
         return;
@@ -993,7 +993,7 @@ TQString DolphinView::selectionStatusBarText() const
 
     if (fileCount > 0) {
         const TQString sizeText(KIO::convertSize(byteSize));
-        text += i18n("1 File selected (%1)", "%n Files selected (%1)", fileCount).tqarg(sizeText);
+        text += i18n("1 File selected (%1)", "%n Files selected (%1)", fileCount).arg(sizeText);
     }
 
     return text;
diff --git a/src/infosidebarpage.cpp b/src/infosidebarpage.cpp
index 3cdc23a..f01c254 100644
--- a/src/infosidebarpage.cpp
+++ b/src/infosidebarpage.cpp
@@ -74,7 +74,7 @@ InfoSidebarPage::InfoSidebarPage(TQWidget* parent) :
     // name
     m_name = new TQLabel(this);
     m_name->setTextFormat(TQt::RichText);
-    m_name->setAlignment(m_name->tqalignment() | TQt::AlignHCenter);
+    m_name->setAlignment(m_name->alignment() | TQt::AlignHCenter);
     TQFontMetrics fontMetrics(m_name->font());
     m_name->setMinimumHeight(fontMetrics.height() * 3);
     m_name->setSizePolicy(TQSizePolicy::MinimumExpanding, TQSizePolicy::Maximum);
@@ -406,7 +406,7 @@ void InfoSidebarPage::addInfoLine(const TQString& labelText, const TQString& inf
 void InfoSidebarPage::insertActions()
 {
     // delete all existing action widgets
-    // TODO: just use tqchildren() from TQObject...
+    // TODO: just use children() from TQObject...
     TQPtrListIterator<TQWidget> deleteIter(m_actionWidgets);
     TQWidget* widget = 0;
     while ((widget = deleteIter.current()) != 0) {
diff --git a/src/infosidebarpage.h b/src/infosidebarpage.h
index d9597b5..d62318f 100644
--- a/src/infosidebarpage.h
+++ b/src/infosidebarpage.h
@@ -155,10 +155,10 @@ private:
 
     int m_currInfoLineIdx;
     TQGrid* m_infoGrid;
-    TQPtrList<TQLabel> m_infoWidgets;       // TODO: use tqchildren() from TQObject instead
+    TQPtrList<TQLabel> m_infoWidgets;       // TODO: use children() from TQObject instead
 
     TQVBox* m_actionBox;
-    TQPtrList<TQWidget> m_actionWidgets;    // TODO: use tqchildren() from TQObject instead
+    TQPtrList<TQWidget> m_actionWidgets;    // TODO: use children() from TQObject instead
     TQValueVector<KDEDesktopMimeType::Service> m_actionsVector;
 };
 
diff --git a/src/itemeffectsmanager.cpp b/src/itemeffectsmanager.cpp
index f402f20..06cdc4b 100644
--- a/src/itemeffectsmanager.cpp
+++ b/src/itemeffectsmanager.cpp
@@ -182,7 +182,7 @@ TQString ItemEffectsManager::statusBarText(KFileItem* fileInfo) const
         // KFileItem::getStatusBar() returns "MyDocuments/ Folder" as
         // status bar text for a folder 'MyDocuments'. This is adjusted
         // to "MyDocuments (Folder)" in Dolphin.
-        return i18n("%1 (Folder)").tqarg(fileInfo->name());
+        return i18n("%1 (Folder)").arg(fileInfo->name());
     }
 
     return fileInfo->getStatusBarInfo();
diff --git a/src/progressindicator.cpp b/src/progressindicator.cpp
index 9936df5..e61025c 100644
--- a/src/progressindicator.cpp
+++ b/src/progressindicator.cpp
@@ -72,7 +72,7 @@ void ProgressIndicator::execOperation()
             DolphinStatusBar* statusBar = Dolphin::mainWin().activeView()->statusBar();
             statusBar->setProgress((m_operationsIndex * 100) / m_operationsCount);
             kapp->processEvents();
-            statusBar->tqrepaint();
+            statusBar->repaint();
         }
     }
 }
diff --git a/src/statusbarspaceinfo.cpp b/src/statusbarspaceinfo.cpp
index 1dfe84d..16eb36b 100644
--- a/src/statusbarspaceinfo.cpp
+++ b/src/statusbarspaceinfo.cpp
@@ -90,7 +90,7 @@ void StatusBarSpaceInfo::paintEvent(TQPaintEvent* /* event */)
         painter.drawRect(TQRect(left, barTop + 2, right, barHeight - 2));
 
         text = i18n("%1 free")
-               .tqarg(KIO::convertSizeFromKB(m_kBAvailable));
+               .arg(KIO::convertSizeFromKB(m_kBAvailable));
     }
     else {
         if (m_gettingSize) {
diff --git a/src/undomanager.cpp b/src/undomanager.cpp
index 21b3364..0f4ac43 100644
--- a/src/undomanager.cpp
+++ b/src/undomanager.cpp
@@ -84,7 +84,7 @@ void UndoManager::addCommand(const DolphinCommand& command)
     }
 
     emit undoAvailable(true);
-    emit undoTextChanged(i18n("Undo: %1").tqarg(commandText(command)));
+    emit undoTextChanged(i18n("Undo: %1").arg(commandText(command)));
 
     // prevent an endless growing of the Undo history
     if (m_historyIndex > 10000) {
@@ -132,12 +132,12 @@ void UndoManager::undo()
             emit undoTextChanged(i18n("Undo"));
         }
         else {
-            emit undoTextChanged(i18n("Undo: %1").tqarg(commandText(m_history[m_historyIndex])));
+            emit undoTextChanged(i18n("Undo: %1").arg(commandText(m_history[m_historyIndex])));
         }
 
         if (m_historyIndex < static_cast<int>(m_history.count()) - 1) {
             emit redoAvailable(true);
-            emit redoTextChanged(i18n("Redo: %1").tqarg(commandText(command)));
+            emit redoTextChanged(i18n("Redo: %1").arg(commandText(command)));
         }
         else {
             emit redoAvailable(false);
@@ -244,11 +244,11 @@ void UndoManager::redo()
             emit redoTextChanged(i18n("Redo"));
         }
         else {
-            emit redoTextChanged(i18n("Redo: %1").tqarg(commandText(m_history[m_historyIndex + 1])));
+            emit redoTextChanged(i18n("Redo: %1").arg(commandText(m_history[m_historyIndex + 1])));
         }
 
         emit undoAvailable(true);
-        emit undoTextChanged(i18n("Undo: %1").tqarg(commandText(command)));
+        emit undoTextChanged(i18n("Undo: %1").arg(commandText(command)));
 
         Dolphin& dolphin = Dolphin::mainWin();
 
diff --git a/src/urlnavigatorbutton.cpp b/src/urlnavigatorbutton.cpp
index 4082ad7..64064bb 100644
--- a/src/urlnavigatorbutton.cpp
+++ b/src/urlnavigatorbutton.cpp
@@ -331,7 +331,7 @@ void URLNavigatorButton::listJobFinished(KIO::Job* job)
         ++it;
     }
 
-    int result = dirsMenu->exec(urlNavigator()->mapToGlobal(tqgeometry().bottomLeft()));
+    int result = dirsMenu->exec(urlNavigator()->mapToGlobal(geometry().bottomLeft()));
 
     if (result >= 0) {
         KURL url = urlNavigator()->url(m_index);