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);
}
/**
* Duplicates the current line and inserts the copy below the line
*/
void HaiQTextEdit::duplicate_line() {
QTextCursor cursor = textCursor();
int pos(cursor.position());
cursor.beginEditBlock();
cursor.clearSelection();
cursor.movePosition(QTextCursor::EndOfLine);
cursor.select(QTextCursor::LineUnderCursor);
QTextDocumentFragment text( cursor.selection() );
cursor.clearSelection();
cursor.insertText( QString(QChar::LineSeparator) );
cursor.insertFragment( text );
cursor.setPosition(pos);
cursor.endEditBlock();
}
void Label::setTextInteraction(bool on, bool selectAll)
{
if(on && textInteractionFlags() == Qt::NoTextInteraction)
{
// switch on editor mode:
qDebug() << textInteractionFlags();
setTextInteractionFlags(Qt::TextEditorInteraction);
qDebug() << textInteractionFlags();
// manually do what a mouse click would do else:
setFocus(Qt::MouseFocusReason); // this gives the item keyboard focus
setSelected(true); // this ensures that itemChange() gets called when we click out of the item
if(selectAll) // option to select the whole text (e.g. after creation of the TextItem)
{
QTextCursor c = textCursor();
c.select(QTextCursor::Document);
setTextCursor(c);
}
}
else if(!on && textInteractionFlags() == Qt::TextEditorInteraction)
{
// turn off editor mode:
setTextInteractionFlags(Qt::NoTextInteraction);
// deselect text (else it keeps gray shade):
QTextCursor c = this->textCursor();
c.clearSelection();
this->setTextCursor(c);
clearFocus();
}
}
/**
* Returns HTML markup for selected text. If no text is selected, returns
* HTML markup for all text.
*/
QString PsiTextView::getHtml() const
{
PsiTextView *ptv = (PsiTextView *)this;
QTextCursor cursor = ptv->textCursor();
int position = ptv->verticalScrollBar()->value();
bool unselectAll = false;
if (!hasSelectedText()) {
ptv->selectAll();
unselectAll = true;
}
QMimeData *mime = createMimeDataFromSelection();
QString result = mime->html();
delete mime;
// we need to restore original position if selectAll()
// was called, because setTextCursor() (which is necessary
// to clear selection) will move vertical scroll bar
if (unselectAll) {
cursor.clearSelection();
ptv->setTextCursor(cursor);
ptv->verticalScrollBar()->setValue(position);
}
return result;
}
void
FormText::clearSelection()
{
QTextCursor c = textCursor();
c.clearSelection();
setTextCursor( c );
}
/*
* Helper method to position the text cursor always in the end of doc
*/
void OutputDialog::positionTextEditCursorAtEnd()
{
QTextCursor tc = m_textBrowser->textCursor();
tc.clearSelection();
tc.movePosition(QTextCursor::End);
m_textBrowser->setTextCursor(tc);
}
void ElementTitle::focusOutEvent(QFocusEvent *event)
{
QGraphicsTextItem::focusOutEvent(event);
QString htmlNormalizedText = toHtml().remove("\n", Qt::CaseInsensitive);
setTextInteractionFlags(Qt::NoTextInteraction);
parentItem()->setSelected(true);
// Clear selection
QTextCursor cursor = textCursor();
cursor.clearSelection();
setTextCursor(cursor);
unsetCursor();
if (mReadOnly)
return;
if (mOldText != toPlainText()) {
QString value = toPlainText();
if (mBinding == "name")
static_cast<NodeElement*>(parentItem())->setName(value);
else
static_cast<NodeElement*>(parentItem())->setLogicalProperty(mBinding, value);
}
setHtml(htmlNormalizedText);
}
int QScriptDebuggerCodeView::find(const QString &exp, int options)
{
Q_D(QScriptDebuggerCodeView);
QPlainTextEdit *ed = (QPlainTextEdit*)d->editor;
QTextCursor cursor = ed->textCursor();
if (options & 0x100) {
// start searching from the beginning of selection
if (cursor.hasSelection()) {
int len = cursor.selectedText().length();
cursor.clearSelection();
cursor.setPosition(cursor.position() - len);
ed->setTextCursor(cursor);
}
options &= ~0x100;
}
int ret = 0;
if (ed->find(exp, QTextDocument::FindFlags(options))) {
ret |= 0x1;
} else {
QTextCursor curse = cursor;
curse.movePosition(QTextCursor::Start);
ed->setTextCursor(curse);
if (ed->find(exp, QTextDocument::FindFlags(options)))
ret |= 0x1 | 0x2;
else
ed->setTextCursor(cursor);
}
return ret;
}
void TextEditEx::clearSelection()
{
QTextCursor cur = textCursor();
cur.clearSelection();
setTextCursor(cur);
prev_pos_ = -1;
}
QString ChatEdit::textEditToPlainText()
{
QTextDocument *doc = document();
QString result;
result.reserve(doc->characterCount());
QTextCursor begin(doc);
QTextCursor end;
QString specialChar = QChar(QChar::ObjectReplacementCharacter);
bool first = true;
while (!begin.atEnd()) {
end = doc->find(specialChar, begin, QTextDocument::FindCaseSensitively);
QString postValue;
bool atEnd = end.isNull();
if (atEnd) {
end = QTextCursor(doc);
QTextBlock block = doc->lastBlock();
end.setPosition(block.position() + block.length() - 1);
} else {
postValue = end.charFormat().toolTip();
}
begin.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor,
end.position() - begin.position() - (atEnd ? 0 : 1));
QString selectionText = begin.selection().toPlainText();
if (!first)
result += selectionText.midRef(1);
else
result += selectionText;
result += postValue;
begin = end;
end.clearSelection();
first = false;
}
return result;
}
void QConsoleWidget::dragEnterEvent(QDragEnterEvent *e){
TP::dragEnterEvent(e);
if(e->isAccepted()){/*调整选区为可编辑区域*/
QTextCursor tc = this->textCursor();
if (tc.hasSelection()) {
if (tc.selectionStart()>= this->promptEndPos_) {
return;
}
else {
if (tc.selectionEnd()<= this->promptEndPos_) {
tc.clearSelection();
this->setTextCursor(tc);
}
else {
auto se_ = tc.selectionEnd();
tc.setPosition(this->promptEndPos_);
tc.setPosition(se_,QTextCursor::KeepAnchor);
this->setTextCursor(tc);
}
}
}
}
}
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;
}
}
//! [5]
void GraphicsScene::editorLostFocus(GraphicsTextItem *item)
{
#if 0
QTextCursor cursor = item->textCursor();
cursor.clearSelection();
item->setTextCursor(cursor);
#endif
//QMessageBox::information(NULL, "info", QString(tr("GraphicsScene::editorLostFocus")));
// 失去焦点则马上生成带文字的视频
//
// 1, 判断是否修改过 umcomplete
//
// 2, 如果修改过内容则生成文字视频
if(item->getChanged())
{
//QMessageBox::information(NULL, "info", QString(tr("GraphicsScene::editorLostFocus item: %1")).arg((int)item));
//emit updatedTextSignal(item->textAttr(), item->toPlainText());
#if 1
QString qsAss = createTotalAssInfo();
emit updatedElementsTextSignal(qsAss, item->toPlainText());
#endif
}
#if 0
if (item->toPlainText().isEmpty()) {
removeItem(item);
item->deleteLater();
}
#endif
curtextItem = 0;
}
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 MenuMainScreen::setCurrentOption(QGraphicsSimpleTextItem *option) {
QBrush whiteBrush(Qt::white);
QBrush yellowBrush(Qt::yellow);
if (!!_currentOption)
_currentOption->setBrush(whiteBrush);
_currentOption = option;
_currentOption->setBrush(yellowBrush);
if (option->text() == QString("Character"))
_textField->setPlainText("View more information about the selected character.");
else if (option->text() == QString("Equipment"))
_textField->setPlainText("View or change the equipment the selected character is wearing.");
else if (option->text() == QString("Abilities"))
_textField->setPlainText("View the abilities of the selected character.");
else if (option->text() == QString("Inventory"))
_textField->setPlainText("View the items collected by the party.");
else if (option->text() == QString("Exit"))
_textField->setPlainText("Exit the menu.");
QFont font("Times", 12, QFont::Bold);
_textField->setFont(font);
QTextBlockFormat format;
format.setAlignment(Qt::AlignLeft);
QTextCursor cursor = _textField->textCursor();
cursor.select(QTextCursor::Document);
cursor.mergeBlockFormat(format);
cursor.clearSelection();
_textField->setTextCursor(cursor);
}
void GenericWindow::copySelected() {
this->copy();
QTextCursor textCursor = this->textCursor();
textCursor.clearSelection();
this->setTextCursor(textCursor);
}
QVariant UBGraphicsTextItem::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (QGraphicsItem::ItemSelectedChange == change)
{
bool selected = value.toBool();
if (selected)
{
setTextInteractionFlags(Qt::TextEditorInteraction);
}
else
{
QTextCursor tc = textCursor();
tc.clearSelection();
setTextCursor(tc);
setTextInteractionFlags(Qt::NoTextInteraction);
}
}
QVariant newValue = value;
if(mDelegate)
newValue = mDelegate->itemChange(change, value);
return QGraphicsTextItem::itemChange(change, newValue);
}
/*!
* \author Anders Fernström
* \date 2006-04-21
*
* \brief Set the output style
*/
void InputCell::setOutputStyle()
{
// Set the correct style for the QTextEdit output_
output_->selectAll();
Stylesheet *sheet = Stylesheet::instance( "stylesheet.xml" );
CellStyle style = sheet->getStyle( "Output" );
if( style.name() != "null" )
{
output_->setAlignment( (Qt::AlignmentFlag)style.alignment() );
output_->mergeCurrentCharFormat( (*style.textCharFormat()) );
output_->document()->rootFrame()->setFrameFormat( (*style.textFrameFormat()) );
}
else
{
// 2006-01-30 AF, add message box
QString msg = "No Output style defened, please define a Output style in stylesheet.xml";
QMessageBox::warning( 0, "Warning", msg, "OK" );
}
QTextCursor cursor = output_->textCursor();
cursor.clearSelection();
output_->setTextCursor( cursor );
}
void Setting::setFontColorPer()
{
QFont pFont;
QColor pColor;
if(radioButtonProgFC->isChecked())
{
pFont =fontprog;
pColor =Qt::black;
}
else if(radioButtonQuranFC->isChecked())
{
pFont =fontchapter;
pColor =colorQ.currentColor();
}
else if(radioButtonTrFC->isChecked())
{
pFont =fontchapterTr;
pColor =colorTr.currentColor();
} else if(radioButtonBooksFC)
{
pFont =fontBook;
pColor =colorBook.currentColor();
}
QTextCharFormat fmt;
fmt.setForeground(pColor);
fmt.setFont(pFont);
textEditFontPerviwe->selectAll();
QTextCursor cursor = textEditFontPerviwe->textCursor();
cursor.mergeCharFormat(fmt);
textEditFontPerviwe->mergeCurrentCharFormat(fmt);
cursor.clearSelection();
textEditFontPerviwe->setTextCursor(cursor);
}
/**
* 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 MainWindow::copySelection()
{
QTextCursor cursor = editor->textCursor();
if (cursor.hasSelection()) {
selection = cursor.selection();
cursor.clearSelection();
}
}
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
FormText::focusOutEvent( QFocusEvent * event )
{
QTextCursor c = textCursor();
c.clearSelection();
setTextCursor( c );
QGraphicsTextItem::focusOutEvent( event );
}
static QChar charFromCursor(QTextCursor cursor, QTextCursor::MoveOperation op)
{
cursor.clearSelection();
if (!cursor.movePosition(op, QTextCursor::KeepAnchor))
return QChar();
if (!cursor.hasSelection())
return QChar();
return cursor.selectedText().at(0);
}
// @Override
virtual void focusOutEvent ( QFocusEvent * event ) {
// qDebug() << "focusOutEvent";
// clear the current selection
// See also http://qt-project.org/forums/viewthread/7322
QTextCursor t = textCursor();
t.clearSelection();
setTextCursor(t);
QGraphicsTextItem::focusOutEvent(event);
}
QString LuaConsole::getCurrentCommand()
{
QTextCursor cursor = ui->plainTextEdit->textCursor();
cursor.setPosition(currentCommandStartPosition,
QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
QString command = cursor.selectedText();
cursor.clearSelection();
return command;
}
void ExprShortTextEdit::focusOutEvent(QFocusEvent* e) {
// setTextCursor(QTextCursor());
finishEdit();
QTextCursor newCursor = textCursor();
newCursor.clearSelection();
setTextCursor(newCursor);
setColor(false);
hideTip();
QTextEdit::focusOutEvent(e);
}
void CommentBlockView::focusOut()
{
m_textItem->setTextInteractionFlags(Qt::NoTextInteraction);
QTextCursor c = m_textItem->textCursor();
c.clearSelection();
m_textItem->setTextCursor(c);
clearFocus();
emit m_presenter.editFinished(m_textItem->toHtml());
}
void BaseEditor::findFirstOccurrance(const QString &text, QTextDocument::FindFlags qff,
bool isRE, bool init, bool isSetTextCusor)
{
if (!finded)
return;
QRegExp re(text);
QTextDocument *doc = document();
QTextCursor currentCursor = textCursor();
QTextCursor firstCursor;
QTextEdit::ExtraSelection es;
if(!init || prevFindCursor.isNull())
{
QTextCursor startCursor;
if(qff&QTextDocument::FindBackward && !prevFindCursor.isNull())
{
prevFindCursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor,
abs(prevFindCursor.selectionStart()-prevFindCursor.selectionEnd()));
}
if(prevFindCursor.isNull())
startCursor = currentCursor;
else
startCursor = prevFindCursor;
firstCursor = isRE ? doc->find(re, startCursor, qff):
doc->find(text, startCursor, qff);
} else {
firstCursor = isRE ? doc->find(re, prevFindCursor.selectionStart(), qff):
doc->find(text, prevFindCursor.selectionStart(), qff);
}
if(firstCursor.isNull())
{
QTextCursor wholeCursor(doc);
if(qff & QTextDocument::FindBackward)
wholeCursor.movePosition(QTextCursor::End);
firstCursor = isRE ? doc->find(re, wholeCursor, qff):
doc->find(text, wholeCursor, qff);
}
if(firstCursor.isNull())
{
prevFindCursor = firstCursor;
return;
}
es.cursor = firstCursor;
QTextCharFormat f;
f.setBackground(Qt::blue);
f.setForeground(Qt::white);
es.format = f;
currentFindSelection.clear();
currentFindSelection.append(es);
prevFindCursor = firstCursor;
firstCursor.clearSelection();
if(isSetTextCusor)
setTextCursor(firstCursor);
ensureCursorVisible();
updateExtraSelection();
}
//! [5]
void DiagramScene::editorLostFocus(DiagramTextItem *item)
{
QTextCursor cursor = item->textCursor();
cursor.clearSelection();
item->setTextCursor(cursor);
if (item->toPlainText().isEmpty()) {
removeItem(item);
item->deleteLater();
}
}