void TabSettings::reindentLine(QTextBlock block, int delta) const
{
const QString text = block.text();
const int oldBlockLength = text.size();
int oldIndent = indentationColumn(text);
int newIndent = qMax(oldIndent + delta, 0);
if (oldIndent == newIndent)
return;
QString indentString;
if (m_tabPolicy == TabsOnlyTabPolicy && m_tabSize == m_indentSize) {
// user likes tabs for spaces and uses tabs for indentation, preserve padding
int padding = qMin(maximumPadding(text), newIndent);
indentString = indentationString(0, newIndent - padding, block);
indentString += QString(padding, QLatin1Char(' '));
} else {
indentString = indentationString(0, newIndent, block);
}
if (oldBlockLength == indentString.length() && text == indentString)
return;
QTextCursor cursor(block);
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, firstNonSpace(text));
cursor.removeSelectedText();
cursor.insertText(indentString);
cursor.endEditBlock();
}
void TabSettings::reindentLine(QTextBlock block, int delta) const
{
const QString text = block.text();
const int oldBlockLength = text.size();
int oldIndent = indentationColumn(text);
int newIndent = qMax(oldIndent + delta, 0);
if (oldIndent == newIndent)
return;
const QString indentString = indentationString(0, newIndent);
newIndent = indentString.length();
if (oldBlockLength == indentString.length() && text == indentString)
return;
QTextCursor cursor(block);
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, firstNonSpace(text));
cursor.removeSelectedText();
cursor.insertText(indentString);
cursor.endEditBlock();
}
void CodeEditer::indentLine(QTextBlock block, int newIndent) const
{
const QString text = block.text();
const int oldBlockLength = text.size();
// Quickly check whether indenting is required.
if (oldBlockLength == 0 && newIndent == 0)
return;
const QString indentString = indentationString(0, newIndent);
newIndent = indentString.length();
if (oldBlockLength == indentString.length() && text == indentString)
return;
if (oldBlockLength > indentString.length() &&
text.startsWith(indentString) &&
!text.at(indentString.length()).isSpace()) {
return;
}
QTextCursor cursor(block);
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, firstNonSpace(text));
cursor.removeSelectedText();
cursor.insertText(indentString);
cursor.endEditBlock();
}
void TabSettings::indentLine(QTextBlock block, int newIndent, int padding) const
{
const QString text = block.text();
const int oldBlockLength = text.size();
if (m_continuationAlignBehavior == NoContinuationAlign) {
newIndent -= padding;
padding = 0;
} else if (m_continuationAlignBehavior == ContinuationAlignWithIndent) {
padding = 0;
}
// Quickly check whether indenting is required.
// fixme: after changing "use spaces for tabs" the change was not reflected
// because of the following optimisation. Commenting it out for now.
// if (indentationColumn(text) == newIndent)
// return;
QString indentString;
if (m_tabPolicy == TabsOnlyTabPolicy) {
// user likes tabs for spaces and uses tabs for indentation, preserve padding
indentString = indentationString(0, newIndent - padding, block);
indentString += QString(padding, QLatin1Char(' '));
} else {
indentString = indentationString(0, newIndent, block);
}
if (oldBlockLength == indentString.length() && text == indentString)
return;
QTextCursor cursor(block);
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, firstNonSpace(text));
cursor.removeSelectedText();
cursor.insertText(indentString);
cursor.endEditBlock();
}
void TabSettings::indentLine(QTextBlock block, int newIndent) const
{
const QString text = block.text();
const int oldBlockLength = text.size();
// Quickly check whether indenting is required.
if (indentationColumn(text) == newIndent)
return;
const QString indentString = indentationString(0, newIndent, block);
newIndent = indentString.length();
if (oldBlockLength == indentString.length() && text == indentString)
return;
QTextCursor cursor(block);
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, firstNonSpace(text));
cursor.removeSelectedText();
cursor.insertText(indentString);
cursor.endEditBlock();
}