Qt 4: use QTreeWidget::selectedItems() instead of...

Qt 4: use QTreeWidget::selectedItems() instead of QTreeWidget::isItemSelected() because the latter does not work when called on the QTreeWidget::itemSelectionChanged() signal in Qt 4.4.0

kid3/kid3/filelistitem.cpp

@@ -556,16 +556,3 @@ void FileListItem::setDirName(const QString& dirName)
 		setOpen(false);
 	}
 }
-
-#if QT_VERSION >= 0x040000
-/**
- * Check if QTreeWidgetItem is selected.
- *
- * @return true if selected.
- */
-bool FileListItem::isSelected() const
-{
-	const QTreeWidget* tree = treeWidget();
-	return tree && tree->isItemSelected(this);
-}
-#endif

kid3/kid3/filelistitem.h

@@ -164,13 +164,6 @@ public:
 	bool isInSelection() { return m_selected; }
 
 #if QT_VERSION >= 0x040000
-	/**
-	 * Check if QTreeWidgetItem is selected.
-	 *
-	 * @return true if selected.
-	 */
-	bool isSelected() const;
-
 	/**
 	 * Check if directory is open.
 	 * @return true if open.

kid3/kid3/kid3.cpp

@@ -2721,8 +2721,18 @@ void Kid3App::updateGuiControls()
 	int num_files_selected = 0;
 	bool tagV1Supported = false;
 
+#if QT_VERSION >= 0x040000
+	QList<QTreeWidgetItem*> selItems = m_view->getFileList()->selectedItems();
+#endif
+
 	while (mp3file != 0) {
-		if (mp3file->isSelected()) {
+		if (
+#if QT_VERSION >= 0x040000
+			selItems.contains(mp3file)
+#else
+			mp3file->isSelected()
+#endif
+			) {
 			mp3file->setInSelection(true);
 			TaggedFile* taggedFile = mp3file->getFile();
 			if (taggedFile) {