QTextBlock ScCodeEditor::indent( const QTextBlock & block, int level )
{
QTextCursor cursor(block);
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.setPosition(cursor.position() + indentedStartOfLine(block), QTextCursor::KeepAnchor);
cursor.insertText(makeIndentationString(level));
// modification has invalidated the block, so return a new one
return cursor.block();
}
void ScCodeEditor::addSingleLineComment(QTextCursor cursor, int indentation)
{
QTextBlock currentBlock(cursor.block());
int blockIndentationLevel = indentationLevel(cursor);
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.setPosition(cursor.position() + indentedStartOfLine(currentBlock), QTextCursor::KeepAnchor);
QString commentString = makeIndentationString(indentation) + QString("// ")
+ makeIndentationString(blockIndentationLevel - indentation);
cursor.insertText(commentString);
cursor.movePosition(QTextCursor::StartOfBlock);
}
void ScCodeEditor::removeSingleLineComment(QTextCursor cursor)
{
QTextBlock currentBlock(cursor.block());
cursor.movePosition(QTextCursor::StartOfBlock);
const int startPosition = cursor.position();
const int indentPosition = indentedStartOfLine(currentBlock);
const int commentStartPosition = startPosition + indentPosition;
cursor.setPosition(commentStartPosition);
cursor.setPosition(commentStartPosition + 3, QTextCursor::KeepAnchor);
if (!cursor.selectedText().endsWith(QString("// "))) {
cursor.setPosition(commentStartPosition + 2, QTextCursor::KeepAnchor);
if (!cursor.selectedText().endsWith(QString("//")))
return;
}
cursor.insertText("");
}
void ScCodeEditor::keyPressEvent( QKeyEvent *e )
{
hideMouseCursor(e);
QTextCursor cursor( textCursor() );
bool cursorMoved = true;
if (e == QKeySequence::MoveToNextWord)
moveToNextToken( cursor, QTextCursor::MoveAnchor );
else if (e == QKeySequence::MoveToPreviousWord)
moveToPreviousToken( cursor, QTextCursor::MoveAnchor );
else if (e == QKeySequence::SelectNextWord)
moveToNextToken( cursor, QTextCursor::KeepAnchor );
else if (e == QKeySequence::SelectPreviousWord)
moveToPreviousToken( cursor, QTextCursor::KeepAnchor );
else
cursorMoved = false;
if (cursorMoved) {
setTextCursor( cursor );
return;
}
switch (e->key()) {
case Qt::Key_Home:
{
Qt::KeyboardModifiers mods(e->modifiers());
if (mods && mods != Qt::ShiftModifier) {
GenericCodeEditor::keyPressEvent(e);
return;
}
QTextCursor::MoveMode mode =
mods & Qt::ShiftModifier ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor;
QTextCursor c(textCursor());
QTextBlock b(c.block());
int pos = indentedStartOfLine(b);
pos += b.position();
if (c.position() == pos)
c.movePosition(QTextCursor::StartOfLine, mode);
else
c.setPosition(pos, mode);
setTextCursor(c);
return;
}
case Qt::Key_Backtab:
{
QTextCursor cursor = textCursor();
insertSpaceToNextTabStop( cursor );
ensureCursorVisible();
return;
}
case Qt::Key_Backspace:
if (mInsertMatchingTokens && !overwriteMode() && e->modifiers() == 0)
if (removeMatchingTokens())
break;
GenericCodeEditor::keyPressEvent(e);
break;
case Qt::Key_Enter:
case Qt::Key_Return:
{
QTextBlock cursorBlock = cursor.block();
int cursorPosInBlock = cursor.position() - cursorBlock.position();
TokenIterator nextToken = TokenIterator::rightOf(cursorBlock, cursorPosInBlock);
if ( nextToken.block() == cursorBlock && nextToken.type() == Token::ClosingBracket )
{
cursor.beginEditBlock();
cursor.insertBlock();
cursor.insertBlock();
cursor.endEditBlock();
cursor.movePosition( QTextCursor::PreviousBlock, QTextCursor::KeepAnchor );
indent(cursor, JoinEditBlock);
cursor.movePosition( QTextCursor::EndOfBlock );
}
else {
cursor.beginEditBlock();
cursor.insertBlock();
cursor.endEditBlock();
indent(cursor, JoinEditBlock);
}
cursor.setVerticalMovementX(-1);
setTextCursor(cursor);
break;
}
default:
if (!overwriteMode() && insertMatchingTokens(e->text()))
break;
GenericCodeEditor::keyPressEvent(e);
}
mAutoCompleter->keyPress(e);
}
void ScCodeEditor::keyPressEvent( QKeyEvent *e )
{
QTextCursor cursor( textCursor() );
bool cursorMoved = true;
if (e == QKeySequence::MoveToNextWord)
moveToNextToken( cursor, QTextCursor::MoveAnchor );
else if (e == QKeySequence::MoveToPreviousWord)
moveToPreviousToken( cursor, QTextCursor::MoveAnchor );
else if (e == QKeySequence::SelectNextWord)
moveToNextToken( cursor, QTextCursor::KeepAnchor );
else if (e == QKeySequence::SelectPreviousWord)
moveToPreviousToken( cursor, QTextCursor::KeepAnchor );
else
cursorMoved = false;
if (cursorMoved) {
setTextCursor( cursor );
return;
}
switch (e->key()) {
case Qt::Key_Home:
{
Qt::KeyboardModifiers mods(e->modifiers());
if (mods && mods != Qt::ShiftModifier) {
GenericCodeEditor::keyPressEvent(e);
return;
}
hideMouseCursor();
QTextCursor::MoveMode mode =
mods & Qt::ShiftModifier ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor;
QTextCursor c(textCursor());
QTextBlock b(c.block());
int pos = indentedStartOfLine(b);
pos += b.position();
if (c.position() == pos)
c.movePosition(QTextCursor::StartOfLine, mode);
else
c.setPosition(pos, mode);
setTextCursor(c);
return;
}
case Qt::Key_Backtab:
{
hideMouseCursor();
QTextCursor cursor = textCursor();
insertSpaceToNextTabStop( cursor );
ensureCursorVisible();
return;
}
default:
{
static const QString closingBrackets(")]}");
bool indentCurrentLine =
e->key() == Qt::Key_Enter ||
e->key() == Qt::Key_Return ||
( !e->text().isEmpty() && closingBrackets.contains(e->text()) );
if (indentCurrentLine)
cursor.beginEditBlock();
GenericCodeEditor::keyPressEvent(e);
if (indentCurrentLine) {
cursor.endEditBlock();
cursor.joinPreviousEditBlock();
indent();
cursor.endEditBlock();
}
}
}
mAutoCompleter->keyPress(e);
}
void ScCodeEditor::keyPressEvent( QKeyEvent *e )
{
QTextCursor cursor( textCursor() );
bool cursorMoved = true;
if (e == QKeySequence::MoveToNextWord)
moveToNextToken( cursor, QTextCursor::MoveAnchor );
else if (e == QKeySequence::MoveToPreviousWord)
moveToPreviousToken( cursor, QTextCursor::MoveAnchor );
else if (e == QKeySequence::SelectNextWord)
moveToNextToken( cursor, QTextCursor::KeepAnchor );
else if (e == QKeySequence::SelectPreviousWord)
moveToPreviousToken( cursor, QTextCursor::KeepAnchor );
else
cursorMoved = false;
if (cursorMoved) {
setTextCursor( cursor );
return;
}
switch (e->key()) {
case Qt::Key_Home:
{
Qt::KeyboardModifiers mods(e->modifiers());
if (mods && mods != Qt::ShiftModifier) {
GenericCodeEditor::keyPressEvent(e);
return;
}
hideMouseCursor();
QTextCursor::MoveMode mode =
mods & Qt::ShiftModifier ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor;
QTextCursor c(textCursor());
QTextBlock b(c.block());
int pos = indentedStartOfLine(b);
pos += b.position();
if (c.position() == pos)
c.movePosition(QTextCursor::StartOfLine, mode);
else
c.setPosition(pos, mode);
setTextCursor(c);
return;
}
case Qt::Key_Backtab:
{
hideMouseCursor();
QTextCursor cursor = textCursor();
insertSpaceToNextTabStop( cursor );
ensureCursorVisible();
return;
}
case Qt::Key_Enter:
case Qt::Key_Return:
case Qt::Key_BraceRight:
case Qt::Key_BracketRight:
case Qt::Key_ParenRight: {
hideMouseCursor();
// Wrap superclass' implementation into an edit block,
// so it can be joined with indentation later:
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
GenericCodeEditor::keyPressEvent(e);
cursor.endEditBlock();
cursor.joinPreviousEditBlock();
indent();
cursor.endEditBlock();
cursor.setVerticalMovementX(-1);
setTextCursor(cursor);
break;
}
default:
GenericCodeEditor::keyPressEvent(e);
}
mAutoCompleter->keyPress(e);
}