void QSAEditor::keyPressEvent(QKeyEvent *e)
{
QTextCursor cursor = textCursor();
const QChar leftChar = charFromCursor(cursor, QTextCursor::PreviousCharacter);
if (e->key() == Qt::Key_Tab) {
QString leftText = cursor.block().text().left(cursor.position() - cursor.block().position());
if (cursor.hasSelection() || leftText.simplified().isEmpty()) {
indent(document(), cursor);
e->accept();
return;
}
}
if ((e->key() == Qt::Key_Period
&& (cursor.atBlockStart() || leftChar != QLatin1Char('.'))
)
|| (e->key() == Qt::Key_Greater
&& !cursor.atBlockStart()
&& leftChar == QLatin1Char('-'))
) {
doObjectCompletion();
}
QTextEdit::keyPressEvent(e);
}
QString ScriptEditorWidget::textUnderCursor() const
{
QString szWord;
QTextCursor tc = textCursor();
if(tc.atBlockStart())
return QString();
tc.clearSelection();
tc.movePosition(QTextCursor::StartOfWord,QTextCursor::KeepAnchor);
if(tc.atBlockStart())
{
szWord.append(tc.selectedText());
tc.movePosition(QTextCursor::EndOfWord,QTextCursor::KeepAnchor);
szWord.append(tc.selectedText());
if(tc.atBlockEnd()){
return szWord;
}
tc.movePosition(QTextCursor::NextCharacter,QTextCursor::KeepAnchor);
szWord.append(tc.selectedText());
if(szWord.right(1)!=".")
szWord.chop(1);
return szWord;
}
tc.movePosition(QTextCursor::PreviousCharacter,QTextCursor::KeepAnchor);
szWord=tc.selectedText();
if(szWord.left(1)==".")
{
tc.movePosition(QTextCursor::StartOfWord);
tc.movePosition(QTextCursor::PreviousCharacter);
tc.movePosition(QTextCursor::PreviousWord);
tc.movePosition(QTextCursor::EndOfWord,QTextCursor::KeepAnchor,1);
szWord.prepend(tc.selectedText());
} else szWord.remove(0,1);
return szWord;
}
void GenericCodeEditor::moveLineUpDown(bool up)
{
// directly taken from qtcreator
// Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
// GNU Lesser General Public License
QTextCursor cursor = textCursor();
QTextCursor move = cursor;
move.setVisualNavigation(false); // this opens folded items instead of destroying them
move.beginEditBlock();
bool hasSelection = cursor.hasSelection();
if (cursor.hasSelection()) {
move.setPosition(cursor.selectionStart());
move.movePosition(QTextCursor::StartOfBlock);
move.setPosition(cursor.selectionEnd(), QTextCursor::KeepAnchor);
move.movePosition(move.atBlockStart() ? QTextCursor::Left: QTextCursor::EndOfBlock,
QTextCursor::KeepAnchor);
} else {
move.movePosition(QTextCursor::StartOfBlock);
move.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
}
QString text = move.selectedText();
move.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
move.removeSelectedText();
if (up) {
move.movePosition(QTextCursor::PreviousBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.movePosition(QTextCursor::EndOfBlock);
if (move.atBlockStart()) { // empty block
move.movePosition(QTextCursor::NextBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.insertBlock();
}
}
int start = move.position();
move.clearSelection();
move.insertText(text);
int end = move.position();
if (hasSelection) {
move.setPosition(start);
move.setPosition(end, QTextCursor::KeepAnchor);
}
move.endEditBlock();
setTextCursor(move);
}
void GenericCodeEditor::copyUpDown(bool up)
{
// directly taken from qtcreator
// Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
// GNU Lesser General Public License
QTextCursor cursor = textCursor();
QTextCursor move = cursor;
move.beginEditBlock();
bool hasSelection = cursor.hasSelection();
if (hasSelection) {
move.setPosition(cursor.selectionStart());
move.movePosition(QTextCursor::StartOfBlock);
move.setPosition(cursor.selectionEnd(), QTextCursor::KeepAnchor);
move.movePosition(move.atBlockStart() ? QTextCursor::Left: QTextCursor::EndOfBlock,
QTextCursor::KeepAnchor);
} else {
move.movePosition(QTextCursor::StartOfBlock);
move.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
}
QString text = move.selectedText();
if (up) {
move.setPosition(cursor.selectionStart());
move.movePosition(QTextCursor::StartOfBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.movePosition(QTextCursor::EndOfBlock);
if (move.atBlockStart()) {
move.movePosition(QTextCursor::NextBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.insertBlock();
}
}
int start = move.position();
move.clearSelection();
move.insertText(text);
int end = move.position();
move.setPosition(start);
move.setPosition(end, QTextCursor::KeepAnchor);
move.endEditBlock();
setTextCursor(move);
}
QString CvsEditorWidget::changeUnderCursor(const QTextCursor &c) const
{
// Try to match "1.1" strictly:
// 1) Annotation: Check for a revision number at the beginning of the line.
// Note that "cursor.select(QTextCursor::WordUnderCursor)" will
// only select the part up until the dot.
// Check if we are at the beginning of a line within a reasonable offset.
// 2) Log: check for lines like "revision 1.1", cursor past "revision"
switch (contentType()) {
case VcsBase::OtherContent:
case VcsBase::DiffOutput:
break;
case VcsBase::AnnotateOutput: {
const QTextBlock block = c.block();
if (c.atBlockStart() || (c.position() - block.position() < 3)) {
const QString line = block.text();
if (m_revisionAnnotationPattern.exactMatch(line))
return m_revisionAnnotationPattern.cap(1);
}
}
break;
case VcsBase::LogOutput: {
const QTextBlock block = c.block();
if (c.position() - block.position() > 8 && m_revisionLogPattern.exactMatch(block.text()))
return m_revisionLogPattern.cap(1);
}
break;
}
return QString();
}
void TextProcessor::textChangeEvent() {
if (autoInsertion_)
return;
QTextCursor c = edit_->textCursor();
if (c.atBlockStart()) {
QTextBlock bl = c.block();
QTextBlock prevBl = bl.previous();
if (bl.isValid() && prevBl.isValid()) {
// ensure that cursor was moved from the previous row
if (lastRow_ - 1 != preLastRow_)
return;
QString text = bl.text();
QString prevText = prevBl.text();
if (/*text.isEmpty() &&*/ !prevText.isEmpty()) {
int lineBeginIndex = prevText.indexOf(QRegExp("[^ \t]"));
QString lineBegin = prevText.left(lineBeginIndex);
autoInsertion_ = true;
while (bl.text().startsWith('\t') || bl.text().startsWith(' ')) {
c.deleteChar();
}
c.insertText(lineBegin);
autoInsertion_ = false;
}
}
}
}
void ScCodeEditor::moveToPreviousToken( QTextCursor & cursor, QTextCursor::MoveMode mode )
{
if (cursor.atBlockStart()) {
cursor.movePosition( QTextCursor::PreviousCharacter, mode );
return;
}
QTextBlock block( cursor.block() );
QString blockText = block.text();
int positionInBlock = cursor.position() - block.position() - 1;
// skip whitespace
while (positionInBlock > 0 && blockText[positionInBlock].isSpace())
--positionInBlock;
cursor.setPosition(positionInBlock + block.position(), mode);
if (positionInBlock == 0)
return;
// go to beginning of token or beginning of word
TokenIterator tokenIt( block, positionInBlock );
if (tokenIt.isValid()) {
cursor.setPosition( tokenIt.position(), mode );
} else {
int pos = positionInBlock;
if (blockText[pos].isLetterOrNumber()) {
while (pos > 0 && blockText[pos-1].isLetterOrNumber())
--pos;
}
cursor.setPosition( pos + block.position(), mode );
}
}
static bool isBlockOnlySelection(QTextCursor cursor)
{
Q_ASSERT(cursor.hasSelection());
QTextCursor begin(cursor);
begin.setPosition(begin.anchor());
if (begin.atBlockStart() && (cursor.atBlockStart() || cursor.atBlockEnd()))
return true;
else
return false;
}
void Dialog_line::test2(){
QTextCursor cursor = ui->textEdit->textCursor();
cursor.atBlockStart();
cursor.setPosition(ui->textEdit->toPlainText().length());
//cursor.movePosition(ui->textEdit->toPlainText().length());
ui->textEdit->setTextCursor(cursor);
string str = ui->textEdit->toPlainText().toStdString();
str.erase(std::remove(str.begin(), str.end(), '\n'), str.end());
(parent_window.*m_func)(str);
}
void SyntaxTextEditor::indentText(QTextDocument *doc, QTextCursor cur, bool bIndent)
{
cur.beginEditBlock();
if (!cur.hasSelection()) {
indentCursor(cur,bIndent);
} else {
QTextBlock block = doc->findBlock(cur.selectionStart());
QTextBlock end = doc->findBlock(cur.selectionEnd());
if (!cur.atBlockStart()) {
end = end.next();
}
do {
indentBlock(block,bIndent);
block = block.next();
} while (block.isValid() && block != end);
}
cur.endEditBlock();
}
QString TikzEditor::textUnderCursor() const
{
QTextCursor cursor = textCursor();
const int oldPos = cursor.position();
// cursor.select(QTextCursor::WordUnderCursor);
// const int newPos = cursor.selectionStart();
int newPos;
for (newPos = oldPos; newPos > 0;) // move the cursor to the beginning of the word
{
cursor.setPosition(--newPos, QTextCursor::KeepAnchor);
if (cursor.selectedText().trimmed().isEmpty()) // if the current char is a whitespace, then we have reached the beginning of the word
{
cursor.clearSelection();
cursor.setPosition(++newPos, QTextCursor::MoveAnchor);
break;
}
else if (cursor.selectedText() == "\\" || cursor.atBlockStart()) // these characters also delimit the beginning of the word (the beginning of a TikZ command)
{
cursor.clearSelection();
break;
}
else if (cursor.selectedText() == "["
|| cursor.selectedText() == ",") // these characters also delimit the beginning of the word (the beginning of a TikZ option)
{
cursor.clearSelection();
cursor.setPosition(++newPos, QTextCursor::MoveAnchor);
break;
}
cursor.clearSelection();
}
// cursor.setPosition(newPos, QTextCursor::MoveAnchor);
cursor.setPosition(oldPos, QTextCursor::KeepAnchor);
QString word = cursor.selectedText();
// if (word.right(1) != word.trimmed().right(1))
// word = "";
return word;
}
void CodeEditor::keyPressEvent(QKeyEvent* event)
{
if (event->key() == Qt::Key_Return && event->modifiers() == Qt::SHIFT)
return;
if (event->key() == Qt::Key_E && event->modifiers() == Qt::CTRL) {
QTextBlock block = textCursor().block();
foldUnfold(block);
FULLRESIZE;
return;
}
if (event->key() == Qt::Key_Space && event->modifiers() == Qt::CTRL) {
performCompletion();
return;
}
if (event->key() == Qt::Key_Backspace && config->backUnindent) {
QTextCursor cursor = textCursor();
if (!cursor.hasSelection() && !cursor.atBlockStart() && cursor.block().text(). \
left(cursor.positionInBlock()). \
trimmed().isEmpty()) {
cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor,
qMin(config->indentSize, cursor.positionInBlock()));
cursor.removeSelectedText();
return;
}
}
if (event->key() == Qt::Key_Tab && config->tabIndents) {
QTextCursor cursor = textCursor();
if (cursor.hasSelection()) {
QTextBlock block = document()->findBlock(cursor.selectionStart());
int end = document()->findBlock(cursor.selectionEnd()).blockNumber();
if (end - block.blockNumber()) {
cursor.beginEditBlock();
do {
cursor.setPosition(block.position(), QTextCursor::MoveAnchor);
cursor.insertText(QString().fill(' ', config->indentSize));
} while ((block = block.next()).isValid() && block.blockNumber() <= end);
cursor.endEditBlock();
return;
}
} else if (textCursor().block().text(). \
left(textCursor().positionInBlock()). \
trimmed().isEmpty()) {
textCursor().insertText(QString().fill(' ', config->indentSize));
return;
}
}
if (event->key() == Qt::Key_Tab && config->spaceTabs) {
textCursor().insertText(QString().fill(' ', config->tabSize));
return;
}
if (completer->popup()->isVisible()) {
switch (event->key()) {
case Qt::Key_Up:
case Qt::Key_Down:
case Qt::Key_Enter:
case Qt::Key_Return:
case Qt::Key_Escape:
event->ignore();
return;
}
}
QPlainTextEdit::keyPressEvent(event);
if (completer->popup()->isVisible())
performCompletion();
if (event->key() == Qt::Key_Return && config->autoIndent) {
int state = textCursor().block().userState();
if (!(state & Error) && (state & Nested)) {
QString txt = textCursor().block().previous().text();
int i = 0;
while (txt[i].isSpace()) ++i;
int previousBlockState = textCursor().block().previous().userState();
if (!(previousBlockState & Error) && previousBlockState & Begin)
i += config->indentSize;
textCursor().insertText(QString().fill(' ', i));
}
}
}
void SoTextEdit::keyPressEvent(QKeyEvent *input)
{
QTextCursor cursor = textCursor();
QString text;
QStringList list;
QTextBlock block;
int position = 0;
// int position_in_block = 0;
int count;
if (input->modifiers() != Qt::NoModifier &&
input->modifiers() != Qt::ShiftModifier) {
input->ignore();
return;
}
switch (input->key()) {
case Qt::Key_Shift:
case Qt::Key_Control:
case Qt::Key_unknown:
input->ignore();
return;
case Qt::Key_BraceLeft:
cursor.insertText(input->text(), colorFormat(default_color));
std::cout << block_stack << std::endl;
return;
case Qt::Key_BraceRight:
cursor.insertText("}");
position = autoIndent(cursor);
cursor.setPosition(position);
setTextCursor(cursor);
return;
case Qt::Key_Return:
emit returnPressed();
position = cursor.position();
cursor.movePosition(QTextCursor::NoMove, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::KeepAnchor);
text = cursor.selectedText();
for (count = 0; count <= text.size(); count++) {
if (text[count] == QChar('{')) {
block_stack++;
} else if (text[count] == QChar('}')) {
block_stack--;
}
}
cursor.setPosition(position);
if (cursor.atBlockEnd()) {
cursor.insertText(input->text());
position++;
} else {
cursor.setPosition(position + 1, QTextCursor::MoveAnchor);
cursor.setPosition(position - 1, QTextCursor::KeepAnchor);
text = cursor.selectedText();
for (count = 0; count < exception->count(); count++) {
if (text[0] == (*exception)[count][0] ||
text[1] == (*exception)[count][0]) {
cursor.setPosition(position);
cursor.insertText(input->text());
position = autoIndent(cursor);
cursor.setPosition(position);
setTextCursor(cursor);
return;
}
}
cursor.setPosition(position, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
switch (checkType(text)) {
case t_TYPE:
cursor.insertText(text, colorFormat(type_color));
break;
case t_KEYWORD:
cursor.insertText(text, colorFormat(keyword_color));
break;
case t_DEFAULT:
cursor.insertText(text, colorFormat(default_color));
}
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
switch (checkType(text)) {
case t_TYPE:
cursor.insertText(text, colorFormat(type_color));
break;
case t_KEYWORD:
cursor.insertText(text, colorFormat(keyword_color));
break;
case t_DEFAULT:
cursor.insertText(text, colorFormat(default_color));
}
cursor.setPosition(position);
cursor.insertText(input->text());
position++;
}
position = autoIndent(cursor);
cursor.setPosition(position);
setTextCursor(cursor);
return;
case Qt::Key_Tab:
cout << "tab" << endl;
position = autoIndent(cursor);
cursor.setPosition(position);
setTextCursor(cursor);
std::cout << "block_stack" << block_stack << std::endl;
return;
case Qt::Key_Left:
if (cursor.atBlockStart()) {
cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor);
position = cursor.position();
cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::KeepAnchor);
text = cursor.selectedText();
count = 0;
while (count < text.size()) {
if (text[count] == QChar('{')) {
block_stack--;
} else if (text[count] == QChar('}')) {
block_stack++;
}
count++;
}
cursor.setPosition(position, QTextCursor::MoveAnchor);
} else {
cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor);
}
setTextCursor(cursor);
std::cout << block_stack << std::endl;
return;
case Qt::Key_Right:
if (cursor.atEnd()) {
return;
} else if (cursor.atBlockEnd()) {
cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
text = cursor.selectedText();
count = 0;
while (count < text.size()) {
if (text[count] == QChar('{')) {
block_stack++;
} else if (text[count] == QChar('}')) {
block_stack--;
}
count++;
}
}
cursor.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor);
setTextCursor(cursor);
std::cout << block_stack << std::endl;
return;
case Qt::Key_Down:
block = cursor.block();
if ((block.blockNumber() + 1 ) == blockCount()) {
return;
} else {
position = cursor.position();
cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
text = cursor.selectedText();
count = 0;
while (count < text.size()) {
if (text[count] == QChar('{')) {
block_stack++;
} else if (text[count] == QChar('}')) {
block_stack--;
}
count++;
}
cursor.setPosition(position);
cursor.movePosition(QTextCursor::Down, QTextCursor::MoveAnchor);
setTextCursor(cursor);
std::cout << block_stack << std::endl;
return;
}
case Qt::Key_Up:
block = cursor.block();
if (block.blockNumber() == 0) {
return;
} else {
cursor.movePosition(QTextCursor::Up, QTextCursor::MoveAnchor);
position = cursor.position();
cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
text = cursor.selectedText();
count = 0;
while (count < text.size()) {
if (text[count] == QChar('{')) {
block_stack--;
} else if (text[count] == QChar('}')) {
block_stack++;
}
count++;
}
cursor.setPosition(position);
setTextCursor(cursor);
std::cout << block_stack << std::endl;
return;
}
case Qt::Key_Space:
if (cursor.atBlockEnd()) {
cursor.insertText(input->text());
setTextCursor(cursor);
return;
} else {
position = cursor.position();
cursor.setPosition(position - 1, QTextCursor::MoveAnchor);
cursor.setPosition(position + 1, QTextCursor::KeepAnchor);
text = cursor.selectedText();
for (count = 0; count < exception->count(); count++) {
if (text[0] == (*exception)[count][0] ||
text[1] == (*exception)[count][0]) {
cursor.setPosition(position);
cursor.insertText(input->text());
setTextCursor(cursor);
return;
}
}
cursor.setPosition(position, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
switch (checkType(text)) {
case t_TYPE:
cursor.insertText(text, colorFormat(type_color));
break;
case t_KEYWORD:
cursor.insertText(text, colorFormat(keyword_color));
break;
case t_DEFAULT:
cursor.insertText(text, colorFormat(default_color));
}
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
switch (checkType(text)) {
case t_TYPE:
cursor.insertText(text, colorFormat(type_color));
break;
case t_KEYWORD:
cursor.insertText(text, colorFormat(keyword_color));
break;
case t_DEFAULT:
cursor.insertText(text, colorFormat(default_color));
}
cursor.setPosition(position);
cursor.insertText(input->text());
setTextCursor(cursor);
return;
}
case Qt::Key_Delete:
position = cursor.position();
cursor.deleteChar();
cursor.movePosition(QTextCursor::NoMove, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
text = cursor.selectedText();
cursor.setPosition(position);
for (count = 0; count < exception->count(); count++) {
if (text[0] == (*exception)[count][0]) {
cursor.setPosition(position - 1);
}
}
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
break;
case Qt::Key_Backspace:
if (cursor.atStart()) {
return;
} else if (cursor.atBlockStart()) {
position = cursor.position() - 1;
cursor.deletePreviousChar();
cursor.movePosition(QTextCursor::NoMove, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::KeepAnchor);
text = cursor.selectedText();
std::cout << "debug_text " << qPrintable(text) << std::endl;
count = 0;
while (count < text.size()) {
if (text[count] == QChar('{')) {
block_stack--;
} else if (text[count] == QChar('}')) {
block_stack++;
}
count++;
}
cursor.setPosition(position, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
} else {
position = cursor.position() - 1;
cursor.deletePreviousChar();
cursor.movePosition(QTextCursor::NoMove, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
text = cursor.selectedText();
for (count = 0; count < exception->count(); count++) {
if (text[0] == (*exception)[count][0]) {
cursor.setPosition(position - 1);
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
break;
}
}
if (count == exception->count()) {
cursor.setPosition(position);
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
}
}
std::cout << block_stack <<std::endl;
break;
default:
position = cursor.position() + 1;
cursor.insertText(input->text());
cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
text = cursor.selectedText();
}
qDebug() << text;
if (text.isEmpty()) {
return;
}
switch (checkType(text)) {
case t_TYPE:
cursor.insertText(text, colorFormat(type_color));
break;
case t_KEYWORD:
cursor.insertText(text, colorFormat(keyword_color));
break;
case t_DEFAULT:
cursor.insertText(text, colorFormat(default_color));
}
cursor.setPosition(position);
setTextCursor(cursor);
return;
}
