port C++ code to Qt5

src/Mod/Part/Gui/DlgFilletEdges.cpp

@@ -280,9 +280,15 @@ DlgFilletEdges::DlgFilletEdges(FilletType type, Part::FilletBase* fillet, QWidge
     ui->treeView->setModel(model);
 
     QHeaderView* header = ui->treeView->header();
+#if QT_VERSION >= 0x050000
+    header->setSectionResizeMode(0, QHeaderView::Stretch);
+    header->setDefaultAlignment(Qt::AlignLeft);
+    header->setSectionsMovable(false);
+#else
     header->setResizeMode(0, QHeaderView::Stretch);
     header->setDefaultAlignment(Qt::AlignLeft);
     header->setMovable(false);
+#endif
     on_filletType_activated(0);
     findShapes();
 }

src/Mod/Spreadsheet/Gui/SheetTableView.h

@@ -36,7 +36,11 @@ class SheetViewHeader : public QHeaderView {
     Q_OBJECT
 public:
     SheetViewHeader(Qt::Orientation o) : QHeaderView(o) {
+#if QT_VERSION >= 0x050000
+        setSectionsClickable(true);
+#else
         setClickable(true);
+#endif
     }
 Q_SIGNALS:
     void resizeFinished();

src/Mod/TechDraw/Gui/TemplateTextField.cpp

@@ -63,7 +63,11 @@ void TemplateTextField::execDialog()
     if(uiCode == QDialog::Accepted) {
        if (tmplte) {
            newContent = ui->getFieldContent();
-           QString qsClean = Qt::escape(newContent);                            //Qt5 note: this becomes qsNewContent.toHtmlEscaped();
+#if QT_VERSION >= 0x050000
+           QString qsClean = newContent.toHtmlEscaped();
+#else
+           QString qsClean = Qt::escape(newContent);
+#endif
            std::string utf8Content = qsClean.toUtf8().constData();
            tmplte->EditableTexts.setValue(fieldNameStr, utf8Content);
        }

src/Mod/Web/Gui/BrowserView.h

@@ -28,7 +28,7 @@
 #include <Gui/MDIView.h>
 #include <Gui/Window.h>
 
-# if QT_VERSION >= 0x040400
+#if QT_VERSION >= 0x040400
 #include <QWebView>
 #endif