void FakeVimProxy::requestSetBlockSelection(const QTextCursor &tc) {
QPlainTextEdit *ed = qobject_cast<QPlainTextEdit *>(m_widget);
if (!ed)
return;
QPalette pal = ed->parentWidget() != NULL ? ed->parentWidget()->palette()
: QApplication::palette();
m_blockSelection.clear();
m_clearSelection.clear();
QTextCursor cur = tc;
QTextEdit::ExtraSelection selection;
selection.format.setBackground( pal.color(QPalette::Base) );
selection.format.setForeground( pal.color(QPalette::Text) );
selection.cursor = cur;
m_clearSelection.append(selection);
selection.format.setBackground( pal.color(QPalette::Highlight) );
selection.format.setForeground( pal.color(QPalette::HighlightedText) );
int from = cur.positionInBlock();
int to = cur.anchor() - cur.document()->findBlock(cur.anchor()).position();
const int min = qMin(cur.position(), cur.anchor());
const int max = qMax(cur.position(), cur.anchor());
for ( QTextBlock block = cur.document()->findBlock(min);
block.isValid() && block.position() < max; block = block.next() ) {
cur.setPosition( block.position() + qMin(from, block.length()) );
cur.setPosition( block.position() + qMin(to, block.length()), QTextCursor::KeepAnchor );
selection.cursor = cur;
m_blockSelection.append(selection);
}
disconnect( ed, &QPlainTextEdit::selectionChanged,
this, &FakeVimProxy::updateBlockSelection );
ed->setTextCursor(tc);
connect( ed, &QPlainTextEdit::selectionChanged,
this, &FakeVimProxy::updateBlockSelection );
QPalette pal2 = ed->palette();
pal2.setColor(QPalette::Highlight, Qt::transparent);
pal2.setColor(QPalette::HighlightedText, Qt::transparent);
ed->setPalette(pal2);
updateExtraSelections();
}
void FakeVimProxy::requestDisableBlockSelection() {
QPlainTextEdit *ed = qobject_cast<QPlainTextEdit *>(m_widget);
if (!ed)
return;
QPalette pal = ed->parentWidget() != NULL ? ed->parentWidget()->palette()
: QApplication::palette();
m_blockSelection.clear();
m_clearSelection.clear();
ed->setPalette(pal);
disconnect( ed, &QPlainTextEdit::selectionChanged,
this, &FakeVimProxy::updateBlockSelection );
updateExtraSelections();
}
