1 files changed, 54 insertions, 0 deletions

diff --git a/mainwin.cc b/mainwin.cc
index 61da379..79012c7 100644
--- a/mainwin.cc
+++ b/mainwin.cc
@@ -351,18 +351,72 @@ void MainWindow::actionReload()
 
 void MainWindow::editIndent()
 {
+	QTextCursor cursor = editor->textCursor();
+	int p1 = cursor.selectionStart();
+	QString txt = cursor.selectedText();
+
+	txt.replace(QString(QChar(8233)), QString(QChar(8233)) + QString("\t"));
+	if (txt.endsWith(QString(QChar(8233)) + QString("\t")))
+		txt.chop(1);
+	txt = QString("\t") + txt;
+
+	cursor.insertText(txt);
+	int p2 = cursor.position();
+	cursor.setPosition(p1, QTextCursor::MoveAnchor);
+	cursor.setPosition(p2, QTextCursor::KeepAnchor);
+	editor->setTextCursor(cursor);
 }
 
 void MainWindow::editUnindent()
 {
+	QTextCursor cursor = editor->textCursor();
+	int p1 = cursor.selectionStart();
+	QString txt = cursor.selectedText();
+
+	txt.replace(QString(QChar(8233)) + QString("\t"), QString(QChar(8233)));
+	if (txt.startsWith(QString("\t")))
+		txt.remove(0, 1);
+
+	cursor.insertText(txt);
+	int p2 = cursor.position();
+	cursor.setPosition(p1, QTextCursor::MoveAnchor);
+	cursor.setPosition(p2, QTextCursor::KeepAnchor);
+	editor->setTextCursor(cursor);
 }
 
 void MainWindow::editComment()
 {
+	QTextCursor cursor = editor->textCursor();
+	int p1 = cursor.selectionStart();
+	QString txt = cursor.selectedText();
+
+	txt.replace(QString(QChar(8233)), QString(QChar(8233)) + QString("//"));
+	if (txt.endsWith(QString(QChar(8233)) + QString("//")))
+		txt.chop(2);
+	txt = QString("//") + txt;
+
+	cursor.insertText(txt);
+	int p2 = cursor.position();
+	cursor.setPosition(p1, QTextCursor::MoveAnchor);
+	cursor.setPosition(p2, QTextCursor::KeepAnchor);
+	editor->setTextCursor(cursor);
 }
 
 void MainWindow::editUncomment()
 {
+	QTextCursor cursor = editor->textCursor();
+	int p1 = cursor.selectionStart();
+	QString txt = cursor.selectedText();
+
+	txt.replace(QString(QChar(8233)) + QString("//"), QString(QChar(8233)));
+	if (txt.startsWith(QString("//")))
+		txt.remove(0, 2);
+
+	cursor.insertText(txt);
+	int p2 = cursor.position();
+	cursor.setPosition(p1, QTextCursor::MoveAnchor);
+	cursor.setPosition(p2, QTextCursor::KeepAnchor);
+	editor->setTextCursor(cursor);
 }
 
 void MainWindow::actionReloadCompile()