void EditorUtil::EnumEditor(QPlainTextEdit *ed, EnumEditorProc proc, void *param)
{
if (!ed) {
return;
}
QTextCursor cur = ed->textCursor();
cur.beginEditBlock();
if (cur.hasSelection()) {
QTextBlock begin = ed->document()->findBlock(cur.selectionStart());
QTextBlock end = ed->document()->findBlock(cur.selectionEnd());
if (end.position() == cur.selectionEnd()) {
end = end.previous();
}
QTextBlock block = begin;
do {
if (block.text().length() > 0) {
proc(cur,block,param);
}
block = block.next();
} while(block.isValid() && block.position() <= end.position());
} else {
QTextBlock block = cur.block();
proc(cur,block,param);
}
cur.endEditBlock();
ed->setTextCursor(cur);
}
bool AutoCompleter::autoBackspace(QTextCursor &cursor)
{
m_allowSkippingOfBlockEnd = false;
if (!m_autoParenthesesEnabled)
return false;
int pos = cursor.position();
if (pos == 0)
return false;
QTextCursor c = cursor;
c.setPosition(pos - 1);
QTextDocument *doc = cursor.document();
const QChar lookAhead = doc->characterAt(pos);
const QChar lookBehind = doc->characterAt(pos - 1);
const QChar lookFurtherBehind = doc->characterAt(pos - 2);
const QChar character = lookBehind;
if (character == QLatin1Char('(') || character == QLatin1Char('[')) {
QTextCursor tmp = cursor;
TextBlockUserData::findPreviousBlockOpenParenthesis(&tmp);
int blockStart = tmp.isNull() ? 0 : tmp.position();
tmp = cursor;
TextBlockUserData::findNextBlockClosingParenthesis(&tmp);
int blockEnd = tmp.isNull() ? (cursor.document()->characterCount()-1) : tmp.position();
QChar openChar = character;
QChar closeChar = (character == QLatin1Char('(')) ? QLatin1Char(')') : QLatin1Char(']');
int errors = 0;
int stillopen = 0;
countBrackets(cursor, blockStart, blockEnd, openChar, closeChar, &errors, &stillopen);
int errorsBeforeDeletion = errors + stillopen;
errors = 0;
stillopen = 0;
countBrackets(cursor, blockStart, pos - 1, openChar, closeChar, &errors, &stillopen);
countBrackets(cursor, pos, blockEnd, openChar, closeChar, &errors, &stillopen);
int errorsAfterDeletion = errors + stillopen;
if (errorsAfterDeletion < errorsBeforeDeletion)
return false; // insertion fixes parentheses or bracket errors, do not auto complete
}
// ### this code needs to be generalized
if ((lookBehind == QLatin1Char('(') && lookAhead == QLatin1Char(')'))
|| (lookBehind == QLatin1Char('[') && lookAhead == QLatin1Char(']'))
|| (lookBehind == QLatin1Char('"') && lookAhead == QLatin1Char('"')
&& lookFurtherBehind != QLatin1Char('\\'))
|| (lookBehind == QLatin1Char('\'') && lookAhead == QLatin1Char('\'')
&& lookFurtherBehind != QLatin1Char('\\'))) {
if (! isInComment(c)) {
cursor.beginEditBlock();
cursor.deleteChar();
cursor.deletePreviousChar();
cursor.endEditBlock();
return true;
}
}
return false;
}
void ChatView::doTrackBar()
{
// save position, because our manipulations could change it
int scrollbarValue = verticalScrollBar()->value();
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
PsiRichText::Selection selection = PsiRichText::saveSelection(this, cursor);
//removeTrackBar(cursor);
if (oldTrackBarPosition) {
cursor.setPosition(oldTrackBarPosition, QTextCursor::KeepAnchor);
QTextBlockFormat blockFormat = cursor.blockFormat();
blockFormat.clearProperty(QTextFormat::BlockTrailingHorizontalRulerWidth);
cursor.clearSelection();
cursor.setBlockFormat(blockFormat);
}
//addTrackBar(cursor);
cursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
oldTrackBarPosition = cursor.position();
QTextBlockFormat blockFormat = cursor.blockFormat();
blockFormat.setProperty(QTextFormat::BlockTrailingHorizontalRulerWidth, QVariant(true));
cursor.clearSelection();
cursor.setBlockFormat(blockFormat);
PsiRichText::restoreSelection(this, cursor, selection);
cursor.endEditBlock();
setTextCursor(cursor);
verticalScrollBar()->setValue(scrollbarValue);
}
//段落标号、编号
void MyChild::setStyle(int style)
{
QTextCursor cursor = this->textCursor();
if (style != 0) {
QTextListFormat::Style stylename = QTextListFormat::ListDisc;
switch (style) {
default:
case 1:
stylename = QTextListFormat::ListDisc;
break;
case 2:
stylename = QTextListFormat::ListCircle;
break;
case 3:
stylename = QTextListFormat::ListSquare;
break;
case 4:
stylename = QTextListFormat::ListDecimal;
break;
case 5:
stylename = QTextListFormat::ListLowerAlpha;
break;
case 6:
stylename = QTextListFormat::ListUpperAlpha;
break;
case 7:
stylename = QTextListFormat::ListLowerRoman;
break;
case 8:
stylename = QTextListFormat::ListUpperRoman;
break;
}
cursor.beginEditBlock();
QTextBlockFormat blockFmt = cursor.blockFormat();
QTextListFormat listFmt;
if (cursor.currentList()) {
listFmt = cursor.currentList()->format();
} else {
listFmt.setIndent(blockFmt.indent() + 1);
blockFmt.setIndent(0);
cursor.setBlockFormat(blockFmt);
}
listFmt.setStyle(stylename);
cursor.createList(listFmt);
cursor.endEditBlock();
} else {
QTextBlockFormat bfmt;
bfmt.setObjectIndex(-1);
cursor.mergeBlockFormat(bfmt);
}
}
static void addDeclaration(const Snapshot &snapshot,
const QString &fileName,
const Class *cl,
const QString &functionName)
{
const QString declaration = "void " + functionName + ";\n";
CppTools::CppRefactoringChanges refactoring(snapshot);
CppTools::InsertionPointLocator find(refactoring);
const CppTools::InsertionLocation loc = find.methodDeclarationInClass(
fileName, cl, CppTools::InsertionPointLocator::PrivateSlot);
//
//! \todo change this to use the Refactoring changes.
//
if (BaseTextEditor *editor = editorAt(fileName, loc.line(), loc.column() - 1)) {
QTextCursor tc = editor->textCursor();
int pos = tc.position();
tc.beginEditBlock();
tc.insertText(loc.prefix() + declaration + loc.suffix());
tc.setPosition(pos, QTextCursor::KeepAnchor);
editor->textDocument()->autoIndent(tc);
tc.endEditBlock();
}
}
void GraphicTextDialog::textStyle(int styleIndex)
{
QTextCursor cursor = textEdit->textCursor();
if(styleIndex != 0) {
QTextListFormat::Style style = QTextListFormat::ListDisc;
switch (styleIndex) {
default:
case 1:
style = QTextListFormat::ListDisc;
break;
case 2:
style = QTextListFormat::ListCircle;
break;
case 3:
style = QTextListFormat::ListSquare;
break;
case 4:
style = QTextListFormat::ListDecimal;
break;
case 5:
style = QTextListFormat::ListLowerAlpha;
break;
case 6:
style = QTextListFormat::ListUpperAlpha;
break;
}
cursor.beginEditBlock();
QTextBlockFormat blockFmt = cursor.blockFormat();
QTextListFormat listFmt;
if(cursor.currentList()) {
listFmt = cursor.currentList()->format();
} else {
listFmt.setIndent(blockFmt.indent() + 1);
blockFmt.setIndent(0);
cursor.setBlockFormat(blockFmt);
}
listFmt.setStyle(style);
cursor.createList(listFmt);
cursor.endEditBlock();
} else {
// ####
QTextBlockFormat bfmt;
bfmt.setObjectIndex(-1);
cursor.mergeBlockFormat(bfmt);
}
}
void CppQtStyleIndenter::indent(QTextDocument *doc,
const QTextCursor &cursor,
const QChar &typedChar,
const TextEditor::TabSettings &tabSettings)
{
if (cursor.hasSelection()) {
QTextBlock block = doc->findBlock(cursor.selectionStart());
const QTextBlock end = doc->findBlock(cursor.selectionEnd()).next();
CppTools::QtStyleCodeFormatter codeFormatter(tabSettings, codeStyleSettings());
codeFormatter.updateStateUntil(block);
QTextCursor tc = cursor;
tc.beginEditBlock();
do {
int indent;
int padding;
codeFormatter.indentFor(block, &indent, &padding);
tabSettings.indentLine(block, indent + padding, padding);
codeFormatter.updateLineStateChange(block);
block = block.next();
} while (block.isValid() && block != end);
tc.endEditBlock();
} else {
indentBlock(doc, cursor.block(), typedChar, tabSettings);
}
}
void StyleSheetEditorDialog::insertCssProperty(const QString &name, const QString &value)
{
if (!value.isEmpty()) {
QTextCursor cursor = m_editor->textCursor();
if (!name.isEmpty()) {
cursor.beginEditBlock();
cursor.removeSelectedText();
cursor.movePosition(QTextCursor::EndOfLine);
// Simple check to see if we're in a selector scope
const QTextDocument *doc = m_editor->document();
const QTextCursor closing = doc->find(QLatin1String("}"), cursor, QTextDocument::FindBackward);
const QTextCursor opening = doc->find(QLatin1String("{"), cursor, QTextDocument::FindBackward);
const bool inSelector = !opening.isNull() && (closing.isNull() ||
closing.position() < opening.position());
QString insertion;
if (m_editor->textCursor().block().length() != 1)
insertion += QLatin1Char('\n');
if (inSelector)
insertion += QLatin1Char('\t');
insertion += name;
insertion += QLatin1String(": ");
insertion += value;
insertion += QLatin1Char(';');
cursor.insertText(insertion);
cursor.endEditBlock();
} else {
cursor.insertText(value);
}
}
}
void MRichTextEdit::list(bool checked, QTextListFormat::Style style)
{
QTextCursor cursor = f_textedit->textCursor();
cursor.beginEditBlock();
if (!checked)
{
QTextBlockFormat obfmt = cursor.blockFormat();
QTextBlockFormat bfmt;
bfmt.setIndent(obfmt.indent());
cursor.setBlockFormat(bfmt);
}
else
{
QTextListFormat listFmt;
if (cursor.currentList())
{
listFmt = cursor.currentList()->format();
}
listFmt.setStyle(style);
cursor.createList(listFmt);
}
cursor.endEditBlock();
}
void CppCodeStylePreferencesWidget::updatePreview()
{
CppCodeStylePreferences *cppCodeStylePreferences = m_preferences
? m_preferences
: CppToolsSettings::instance()->cppCodeStyle();
const CppCodeStyleSettings ccss = cppCodeStylePreferences->currentCodeStyleSettings();
const TextEditor::TabSettings ts = cppCodeStylePreferences->currentTabSettings();
QtStyleCodeFormatter formatter(ts, ccss);
foreach (TextEditor::SnippetEditorWidget *preview, m_previews) {
preview->setTabSettings(ts);
preview->setCodeStyle(cppCodeStylePreferences);
QTextDocument *doc = preview->document();
formatter.invalidateCache(doc);
QTextBlock block = doc->firstBlock();
QTextCursor tc = preview->textCursor();
tc.beginEditBlock();
while (block.isValid()) {
preview->indenter()->indentBlock(doc, block, QChar::Null, ts);
block = block.next();
}
applyRefactorings(doc, preview, ccss);
tc.endEditBlock();
}
void TikzEditorView::editComment()
{
bool go = true;
QTextCursor textCursor = m_tikzEditor->textCursor();
if (textCursor.hasSelection())
{
textCursor.beginEditBlock();
const int start = textCursor.selectionStart();
int end = textCursor.selectionEnd();
textCursor.setPosition(start, QTextCursor::MoveAnchor);
textCursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
while (textCursor.position() < end && go)
{
textCursor.insertText("% ");
++end;
++end;
go = textCursor.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor);
}
textCursor.endEditBlock();
}
else
{
textCursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
textCursor.insertText("% ");
}
}
void TikzEditorView::editUncomment()
{
bool go = true;
QTextCursor textCursor = m_tikzEditor->textCursor();
if (textCursor.hasSelection())
{
textCursor.beginEditBlock();
const int start = textCursor.selectionStart();
int end = textCursor.selectionEnd() - 2;
textCursor.setPosition(start, QTextCursor::MoveAnchor);
textCursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
while (textCursor.position() < end && go)
{
textCursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, 2);
if (textCursor.selectedText() == QLatin1String("% "))
{
textCursor.removeSelectedText();
--end;
}
go = textCursor.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor);
}
textCursor.endEditBlock();
}
else
{
textCursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
textCursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, 2);
if (textCursor.selectedText() == QLatin1String("% "))
textCursor.removeSelectedText();
}
}
void QtChatWindow::tabComplete() {
if (!completer_) {
return;
}
QTextCursor cursor;
if (tabCompleteCursor_.hasSelection()) {
cursor = tabCompleteCursor_;
}
else {
cursor = input_->textCursor();
while(cursor.movePosition(QTextCursor::Left, QTextCursor::KeepAnchor) && cursor.document()->characterAt(cursor.position() - 1) != ' ') { }
}
QString root = cursor.selectedText();
if (root.isEmpty()) {
return;
}
QString suggestion = P2QSTRING(completer_->completeWord(Q2PSTRING(root)));
if (root == suggestion) {
return;
}
tabCompletion_ = true;
cursor.beginEditBlock();
cursor.removeSelectedText();
int oldPosition = cursor.position();
cursor.insertText(suggestion);
tabCompleteCursor_ = cursor;
tabCompleteCursor_.setPosition(oldPosition, QTextCursor::KeepAnchor);
cursor.endEditBlock();
tabCompletion_ = false;
}
void QtChatWindow::beginCorrection() {
boost::optional<AlertID> newCorrectingAlert;
if (correctionEnabled_ == Maybe) {
newCorrectingAlert = addAlert(Q2PSTRING(tr("This chat may not support message correction. If you send a correction anyway, it may appear as a duplicate message")));
}
else if (correctionEnabled_ == No) {
newCorrectingAlert = addAlert(Q2PSTRING(tr("This chat does not support message correction. If you send a correction anyway, it will appear as a duplicate message")));
}
if (newCorrectingAlert) {
if (correctingAlert_) {
removeAlert(*correctingAlert_);
}
correctingAlert_ = newCorrectingAlert;
}
QTextCursor cursor = input_->textCursor();
cursor.select(QTextCursor::Document);
cursor.beginEditBlock();
cursor.insertText(QString(lastSentMessage_));
cursor.endEditBlock();
isCorrection_ = true;
correctingLabel_->show();
input_->setStyleSheet(alertStyleSheet_);
labelsWidget_->setEnabled(false);
}
void ComposerTextEdit::slotPasteAsQuotation()
{
QString text = qApp->clipboard()->text();
if (text.isEmpty())
return;
QStringList lines = text.split(QLatin1Char('\n'));
for (QStringList::iterator it = lines.begin(); it != lines.end(); ++it) {
it->remove(QLatin1Char('\r'));
if (it->startsWith(QLatin1Char('>'))) {
*it = QLatin1Char('>') + *it;
} else {
*it = QLatin1String("> ") + *it;
}
}
text = lines.join(QStringLiteral("\n"));
if (!text.endsWith(QLatin1Char('\n'))) {
text += QLatin1Char('\n');
}
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
cursor.insertBlock();
cursor.insertText(text);
cursor.endEditBlock();
setTextCursor(cursor);
}
void SpellCheckerCore::replaceWordsInCurrentEditor(const WordList &wordsToReplace, const QString &replacementWord)
{
if(wordsToReplace.count() == 0) {
Q_ASSERT(wordsToReplace.count() != 0);
return;
}
if(d->currentEditor == NULL) {
Q_ASSERT(d->currentEditor != NULL);
return;
}
TextEditor::TextEditorWidget* editorWidget = qobject_cast<TextEditor::TextEditorWidget*>(d->currentEditor->widget());
if(editorWidget == NULL) {
Q_ASSERT(editorWidget != NULL);
return;
}
QTextCursor cursor = editorWidget->textCursor();
/* Iterate the words and replace all one by one */
foreach(const Word& wordToReplace, wordsToReplace) {
editorWidget->gotoLine(wordToReplace.lineNumber, wordToReplace.columnNumber - 1);
int wordStartPos = editorWidget->textCursor().position();
editorWidget->gotoLine(wordToReplace.lineNumber, wordToReplace.columnNumber + wordToReplace.length - 1);
int wordEndPos = editorWidget->textCursor().position();
cursor.beginEditBlock();
cursor.setPosition(wordStartPos);
cursor.setPosition(wordEndPos, QTextCursor::KeepAnchor);
cursor.removeSelectedText();
cursor.insertText(replacementWord);
cursor.endEditBlock();
}
bool Highlighter::capitalize( const QTextBlock &block,QTextCursor cursor ){
QString text=block.text();
QColor color;
int i=0,pos=cursor.position();
cursor.beginEditBlock();
for(;;){
QString t=parseToke( text,color );
if( t.isEmpty() ) break;
QString kw=_keyWords.value( t.toLower() );
if( !kw.isEmpty() && t!=kw ){
int i0=block.position()+i;
int i1=i0+t.length();
cursor.setPosition( i0 );
cursor.setPosition( i1,QTextCursor::KeepAnchor );
cursor.insertText( kw );
}
i+=t.length();
}
cursor.endEditBlock();
cursor.setPosition( pos );
return true;
}
void CodeEditor::deleteTab()
{
QString deletion = " ";
QTextCursor cursor = textCursor();
if (cursor.selectionEnd() - cursor.selectionStart() <= 0) {
//delete 4 spaces (tab)
cursor.movePosition(QTextCursor::Left, QTextCursor::KeepAnchor, deletion.length());
QString selected = cursor.selectedText();
if (selected.startsWith(deletion))
cursor.deletePreviousChar();
} else {
QTextBlock firstBlock = document()->findBlock(cursor.selectionStart());
QTextBlock lastBlock = document()->findBlock(cursor.selectionEnd() - 1);
cursor.setPosition(firstBlock.position());
cursor.beginEditBlock();
do {
if (cursor.block().text().startsWith(deletion)) {
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, deletion.length());
cursor.removeSelectedText();
}
} while (cursor.movePosition(QTextCursor::NextBlock) && cursor.position() <= lastBlock.position());
cursor.endEditBlock();
}
}
void QsvTextOperationsWidget::on_replaceOldText_returnPressed()
{
if (QApplication::keyboardModifiers().testFlag(Qt::ControlModifier) ||
QApplication::keyboardModifiers().testFlag(Qt::AltModifier) ||
QApplication::keyboardModifiers().testFlag(Qt::ShiftModifier) ) {
on_replaceAll_clicked();
showReplace();
return;
}
QTextCursor c = m_searchCursor;
QTextDocument *doc = getTextDocument();
if (!doc){
qDebug("%s:%d - no document found, using a wrong class? wrong parent?", __FILE__,__LINE__);
return;
}
c = doc->find( replaceFormUi->findText->text(), c, getReplaceFlags() );
if (c.isNull())
return;
int start = c.selectionStart();
int end = c.selectionEnd();
c.beginEditBlock();
c.deleteChar();
c.insertText( replaceFormUi->replaceText->text() );
c.setPosition(start,QTextCursor::KeepAnchor);
c.setPosition(end ,QTextCursor::MoveAnchor);
c.endEditBlock();
setTextCursor( c );
// is there any other apperance of this text?
m_searchCursor = c;
updateReplaceInput();
}
bool ScCodeEditor::removeMatchingTokens()
{
QTextCursor cursor = textCursor();
QTextDocument *document = cursor.document();
int cursorPosition = cursor.position();
if (cursorPosition == 0)
return false;
QChar previousChar = document->characterAt(cursorPosition-1);
QChar nextChar;
if (previousChar == '{')
nextChar = '}';
else if (previousChar == '[')
nextChar = ']';
else if (previousChar == '(')
nextChar = ')';
else if (previousChar == '\'' || previousChar == '"')
nextChar = previousChar;
else
return false;
if (document->characterAt(cursorPosition) != nextChar)
return false;
cursor.beginEditBlock();
cursor.deletePreviousChar();
cursor.deleteChar();
cursor.endEditBlock();
setTextCursor(cursor);
return true;
}
void MarkdownEdit::insert_head(const QString &tag, bool blockStart)
{
QTextCursor cur = m_ed->textCursor();
cur.beginEditBlock();
if (cur.hasSelection()) {
QTextBlock begin = m_ed->document()->findBlock(cur.selectionStart());
QTextBlock end = m_ed->document()->findBlock(cur.selectionEnd());
if (end.position() == cur.selectionEnd()) {
end = end.previous();
}
QTextBlock block = begin;
do {
if (block.text().length() > 0) {
if (blockStart) {
cur.setPosition(block.position());
} else {
QString text = block.text();
foreach(QChar c, text) {
if (!c.isSpace()) {
cur.setPosition(block.position()+text.indexOf(c));
break;
}
}
}
cur.insertText(tag);
}
block = block.next();
} while(block.isValid() && block.position() <= end.position());
} else {
static void addDeclaration(const Snapshot &snapshot,
const QString &fileName,
const Class *cl,
const QString &functionName)
{
QString declaration = QLatin1String("void ");
declaration += functionName;
declaration += QLatin1String(";\n");
CppTools::CppRefactoringChanges refactoring(snapshot);
CppTools::InsertionPointLocator find(&refactoring);
const CppTools::InsertionLocation loc = find.methodDeclarationInClass(
fileName, cl, CppTools::InsertionPointLocator::PrivateSlot);
//
//! \todo change this to use the Refactoring changes.
//
if (ITextEditor *editable = editableAt(fileName, loc.line(), loc.column() - 1)) {
BaseTextEditorWidget *editor = qobject_cast<BaseTextEditorWidget *>(editable->widget());
if (editor) {
QTextCursor tc = editor->textCursor();
int pos = tc.position();
tc.beginEditBlock();
tc.insertText(loc.prefix() + declaration + loc.suffix());
tc.setPosition(pos, QTextCursor::KeepAnchor);
editor->indentInsertedText(tc);
tc.endEditBlock();
}
}
}
void SqlTextEdit::increaseSelectionIndent()
{
QTextCursor cursor = textCursor();
int spos = cursor.anchor();
int epos = cursor.position();
if (spos > epos) std::swap(spos, epos);
cursor.setPosition(spos, QTextCursor::MoveAnchor);
int sblock = cursor.block().blockNumber();
cursor.setPosition(epos, QTextCursor::MoveAnchor);
int eblock = cursor.block().blockNumber();
cursor.setPosition(spos, QTextCursor::MoveAnchor);
const int diff = eblock - sblock;
cursor.beginEditBlock();
for (int i = 0; i <= diff; ++i)
{
cursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
cursor.insertText(" ");
cursor.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor);
}
cursor.endEditBlock();
cursor.setPosition(spos, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
while (cursor.block().blockNumber() < eblock)
cursor.movePosition(QTextCursor::NextBlock, QTextCursor::KeepAnchor);
cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
setTextCursor(cursor);
}
void KNoteEdit::textList()
{
QTextCursor c = textCursor();
c.beginEditBlock();
if ( m_textList->isChecked() ) {
QTextListFormat lf;
QTextBlockFormat bf = c.blockFormat();
lf.setIndent( bf.indent() + 1 );
bf.setIndent( 0 );
lf.setStyle( QTextListFormat::ListDisc );
c.setBlockFormat( bf );
c.createList( lf );
} else {
QTextBlockFormat bf;
bf.setObjectIndex( -1 );
c.setBlockFormat( bf );
}
c.endEditBlock();
}
void CodeEditor::deleteLine(){
QTextCursor selection = getSelectedLines();
selection.beginEditBlock();
selection.removeSelectedText();
selection.deleteChar();
selection.endEditBlock();
}
void LrcEditor::removeMark()
{
QTextCursor cursor = textCursor();
QString strText = cursor.block().text();
if (strText.isEmpty())
return ;
const QRegExp exp("^\\[\\d+:\\d+\\.\\d+\\]");
int index = exp.indexIn(strText);
// no time tags
if (index == -1)
return ;
strText.remove(index, exp.matchedLength());
cursor.beginEditBlock();
cursor.select(QTextCursor::LineUnderCursor);
cursor.removeSelectedText();
cursor.insertText(strText);
cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::MoveAnchor);
cursor.endEditBlock();
setTextCursor(cursor);
}
void GenericCodeEditor::handleKeyBackspace(QKeyEvent * event, QTextCursor & textCursor, bool & updateCursor)
{
if (event->modifiers() & Qt::META) {
textCursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::KeepAnchor);
textCursor.removeSelectedText();
} else {
if ( !overwriteMode()
|| (textCursor.positionInBlock() == 0)
|| textCursor.hasSelection() ) {
QPlainTextEdit::keyPressEvent(event);
} else {
// in overwrite mode, backspace should insert a space
textCursor.beginEditBlock();
textCursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
QString selectedText = textCursor.selectedText();
if (selectedText == QStringLiteral(" ") ||
selectedText == QStringLiteral("\t") ) {
textCursor.clearSelection();
} else {
textCursor.insertText(QString(QChar(' ')));
textCursor.movePosition(QTextCursor::PreviousCharacter);
}
textCursor.endEditBlock();
}
updateCursor = true;
}
}
void MainWindow::highlightListItems()
{
QTextCursor cursor = editor->textCursor();
QTextList *list = cursor.currentList();
if (!list)
return;
cursor.beginEditBlock();
//! [0]
for (int index = 0; index < list->count(); ++index) {
QTextBlock listItem = list->item(index);
//! [0]
QTextBlockFormat newBlockFormat = listItem.blockFormat();
newBlockFormat.setBackground(Qt::lightGray);
QTextCursor itemCursor = cursor;
itemCursor.setPosition(listItem.position());
//itemCursor.movePosition(QTextCursor::StartOfBlock);
itemCursor.movePosition(QTextCursor::EndOfBlock,
QTextCursor::KeepAnchor);
itemCursor.setBlockFormat(newBlockFormat);
/*
//! [1]
processListItem(listItem);
//! [1]
*/
//! [2]
}
//! [2]
cursor.endEditBlock();
}
/**
* Delete all chars from current cursor position to end of word
*/
void HaiQTextEdit::delete_end_of_word() {
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
cursor.clearSelection();
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
cursor.removeSelectedText();
cursor.endEditBlock();
}
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);
}
