git-svn-id: svn://db.shs.com.ru/libs@469 a8b55f48-bf90-11e4-a774-851b48703e85

qad/widgets/qcodeedit.cpp

@@ -14,8 +14,10 @@
 #include "qad_types.h"
 #include "ui_qcodeedit.h"
 
+Q_DECLARE_METATYPE(QTextCursor)
 
 QCodeEdit::QCodeEdit(QWidget * parent): QWidget(parent) {
+	qRegisterMetaType<QTextCursor>();
 	ui = new Ui::QCodeEdit();
 	ui->setupUi(this);
 	ui->widgetSearch->hide();
@@ -150,6 +152,31 @@ QTextDocument * QCodeEdit::document() const {
 }
 
 
+void QCodeEdit::setDocument(QTextDocument * doc) {
+	if (document()) {
+		document()->setProperty("_cursor", QVariant::fromValue(textCursor()));
+		document()->setProperty("_vpos", textEdit()->verticalScrollBar()->value());
+	}
+	documentUnset();
+	if (!doc) {
+		ui->textCode->setDocument(0);
+		documentChanged(0);
+		return;
+	}
+	if (!qobject_cast<QPlainTextDocumentLayout*>(doc->documentLayout()))
+		doc->setDocumentLayout(new QPlainTextDocumentLayout(doc));
+	ui->textCode->setDocument(doc);
+	ui->textCode->setCursorWidth(qMax<int>(qRound(fontHeight() / 10.), 1));
+	if (doc->property("_cursor").isValid()) {
+		setTextCursor(doc->property("_cursor").value<QTextCursor>());
+		textEdit()->verticalScrollBar()->setValue(doc->property("_vpos").toInt());
+	}
+	documentChanged(doc);
+	doc->setDefaultFont(editorFont());
+	updateLines();
+}
+
+
 void QCodeEdit::setTextCursor(const QTextCursor & c) {
 	ui->textCode->setTextCursor(c);
 }