GUI: Fix editor line focus with wrapped lines.

src/gui/windows/editor/srceditor.cpp

@@ -101,12 +101,12 @@ bool SrcEditor::saveFile(QString filename) {
 }
 
 void SrcEditor::setCursorToLine(int ln) {
-    QTextCursor cursor(document()->findBlockByLineNumber(ln - 1));
+    QTextCursor cursor(document()->findBlockByNumber(ln - 1));
     setTextCursor(cursor);
 }
 
 void SrcEditor::setCursorTo(int ln, int col) {
-    QTextCursor cursor(document()->findBlockByLineNumber(ln - 1));
+    QTextCursor cursor(document()->findBlockByNumber(ln - 1));
     cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::MoveAnchor, col - 1);
     setTextCursor(cursor);
 }
@@ -267,24 +267,14 @@ void SrcEditor::updateLineNumberArea(const QRect &rect, int dy) {
 
     if (rect.contains(viewport()->rect())) updateMargins(0);
 }
-
 void SrcEditor::resizeEvent(QResizeEvent *event) {
     QPlainTextEdit::resizeEvent(event);
 
     QRect cr = contentsRect();
     line_number_area->setGeometry(
         QRect(cr.left(), cr.top(), line_number_area->sizeHint().width(), cr.height()));
 }
-
 void SrcEditor::setShowLineNumbers(bool show) {
     line_number_area->set(show);
     updateMargins(0);
 }
-
-void SrcEditor::insertFromMimeData(const QMimeData *source) {
-    if (source->hasText()) { insertPlainText(source->text()); }
-}
-
-bool SrcEditor::canInsertFromMimeData(const QMimeData *source) const {
-    return source->hasText();
-}