void ScCodeEditor::moveToNextToken( QTextCursor & cursor, QTextCursor::MoveMode mode )
{
if (cursor.atBlockEnd()) {
cursor.movePosition( QTextCursor::NextCharacter, mode );
return;
}
QTextBlock block( cursor.block() );
QString blockText = block.text();
int positionInBlock = cursor.position() - block.position();
// go to end of token or end of word
TokenIterator tokenIt( block, positionInBlock );
if (tokenIt.isValid())
positionInBlock = tokenIt->positionInBlock + tokenIt->length;
else {
int pos = positionInBlock;
if (blockText[pos].isLetterOrNumber()) {
++pos;
while (pos < blockText.size() && blockText[pos].isLetterOrNumber())
++pos;
} else {
++pos;
}
positionInBlock = pos;
}
// skip whitespace
while (positionInBlock < blockText.size() && blockText[positionInBlock].isSpace())
++positionInBlock;
cursor.setPosition( positionInBlock + block.position(), mode );
}
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;
}
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 GenericCodeEditor::handleKeyRightParentheses(QKeyEvent *event, QTextCursor &textCursor)
{
if( !textCursor.atBlockEnd() ) {
QTextCursor nextCharCursor( textCursor );
nextCharCursor.movePosition( QTextCursor::NextCharacter, QTextCursor::KeepAnchor );
if( nextCharCursor.selectedText() == event->text() ) {
// don't insert, just move
moveCursor( QTextCursor::NextCharacter );
return;
}
}
QPlainTextEdit::keyPressEvent( event );
}
bool TabSettings::tabShouldIndent(const QTextDocument *document, QTextCursor cursor, int *suggestedPosition) const
{
if (m_tabKeyBehavior == TabNeverIndents)
return false;
QTextCursor tc = cursor;
if (suggestedPosition)
*suggestedPosition = tc.position(); // At least suggest original position
tc.movePosition(QTextCursor::StartOfLine);
if (tc.atBlockEnd()) // cursor was on a blank line
return true;
if (document->characterAt(tc.position()).isSpace()) {
tc.movePosition(QTextCursor::WordRight);
if (tc.columnNumber() >= cursor.columnNumber()) {
if (suggestedPosition)
*suggestedPosition = tc.position(); // Suggest position after whitespace
if (m_tabKeyBehavior == TabLeadingWhitespaceIndents)
return true;
}
}
return (m_tabKeyBehavior == TabAlwaysIndents);
}
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;
}
/**
* @brief Removes tabulation(s) at the cursor position.
*/
void TextEditorWidget::remove_tab () {
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
// Check all selected lines.
if (cursor.hasSelection()) {
// Get the end block number dans set position to start.
int start_pos = cursor.selectionStart();
cursor.setPosition(cursor.selectionEnd());
int block_number = cursor.blockNumber();
cursor.setPosition(start_pos);
// Loop on each blocks.
while (cursor.blockNumber() <= block_number) {
cursor.movePosition(QTextCursor::StartOfLine);
int last_pos = cursor.position();
// Remove first space(s) character(s) of this line.
if (replace_tab_by_spaces) {
// get the number of spaces to remove.
do {
cursor.movePosition(
QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
} while (cursor.selectedText().endsWith(" ") && !cursor.atBlockEnd() &&
cursor.selectedText().length() <= tab_length);
int length = cursor.selectedText().length() - 1;
// select and remove the space(s).
if (length > 0) {
cursor.movePosition(QTextCursor::StartOfLine);
cursor.movePosition(
QTextCursor::NextCharacter, QTextCursor::KeepAnchor, length);
cursor.removeSelectedText();
}
}
// Remove the first tab character of this line.
else {
cursor.movePosition(
QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
if (cursor.selectedText() == "\t") {
cursor.removeSelectedText();
}
}
cursor.setPosition(last_pos);
cursor.movePosition(QTextCursor::NextBlock);
}
}
else {
// Remove previous space(s) character(s).
if (replace_tab_by_spaces) {
int pos = cursor.position();
// get space count before the cursor.
do {
cursor.movePosition(
QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
} while (cursor.selectedText().startsWith(" "));
int space_count = cursor.selectedText().length() - 1;
// select and remove previous space(s).
if (space_count > 0) {
int length = space_count;
if (space_count > tab_length) {
length = space_count % tab_length;
if (length == 0) {
length = tab_length;
}
}
cursor.setPosition(pos);
cursor.movePosition(
QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor, length);
cursor.removeSelectedText();
}
}
// Remove previous tab character.
else {
cursor.movePosition(
QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
if (cursor.selectedText() == "\t") {
cursor.removeSelectedText();
}
}
}
cursor.endEditBlock();
}
