void Journal::on_calendarWidget_activated(const QDate &date)
{
ui->textEdit->setText(notes);
QString searchString;
searchString=date.toString();
QTextDocument *document = ui->textEdit->document();
bool found=false;
QTextCursor highlightCursor(document);
QTextCursor cursor(document);
cursor.beginEditBlock();
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setForeground(Qt::red);
while (!highlightCursor.isNull() && !highlightCursor.atEnd()) {
highlightCursor = document->find(searchString, highlightCursor, QTextDocument::FindWholeWords);
if (!highlightCursor.isNull()) {
found = true;
highlightCursor.movePosition(QTextCursor::WordRight,
QTextCursor::KeepAnchor);
highlightCursor.mergeCharFormat(colorFormat);
}
}
cursor.endEditBlock();
}
/*!
* Clear highlight of the found text.
*/
void TextEdit::clearFind()
{
QTextDocument *document = this->document();
QTextCursor highlightCursor(document);
QTextCharFormat plainFormat(highlightCursor.charFormat());
plainFormat.setBackground(Qt::white);
plainFormat.setForeground(Qt::black);
highlightCursor.movePosition(QTextCursor::Start, QTextCursor::MoveAnchor);
highlightCursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
highlightCursor.setCharFormat(plainFormat);
}
void CodeEdit::searchText(const QString &text, bool caseSenstive)
{
m_searchText = text;
//ui->results->setVisible(!m_searchText.isEmpty());
// TODO is this correct?
document->undo();
m_startPositions.clear();
if (m_searchText.isEmpty())
{
updateResultLabel(-1);
return;
}
QTextCursor highlightCursor(document);
QTextCursor cursor(document);
cursor.beginEditBlock();
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setForeground(Qt::red);
while (!highlightCursor.isNull() && !highlightCursor.atEnd())
{
highlightCursor = document->find(m_searchText, highlightCursor, caseSenstive ? QTextDocument::FindCaseSensitively : QTextDocument::FindFlags());
if (!highlightCursor.isNull())
{
highlightCursor.mergeCharFormat(colorFormat);
m_startPositions.append(highlightCursor.position() - m_searchText.length());
}
}
cursor.endEditBlock();
if (!m_startPositions.isEmpty())
{
markSearchResult(0);
}
else
{
updateResultLabel(-1);
}
//ui->results->setVisible(!m_startPositions.isEmpty());
}
//! [6] //! [7]
void TextFinder::on_findButton_clicked()
{
QString searchString = ui_lineEdit->text();
QTextDocument *document = ui_textEdit->document();
bool found = false;
if (isFirstTime == false)
document->undo();
if (searchString.isEmpty()) {
QMessageBox::information(this, tr("Empty Search Field"),
"The search field is empty. Please enter a word and click Find.");
} else {
QTextCursor highlightCursor(document);
QTextCursor cursor(document);
cursor.beginEditBlock();
//! [6]
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setForeground(Qt::red);
while (!highlightCursor.isNull() && !highlightCursor.atEnd()) {
highlightCursor = document->find(searchString, highlightCursor, QTextDocument::FindWholeWords);
if (!highlightCursor.isNull()) {
found = true;
highlightCursor.movePosition(QTextCursor::WordRight,
QTextCursor::KeepAnchor);
highlightCursor.mergeCharFormat(colorFormat);
}
}
//! [8]
cursor.endEditBlock();
//! [7] //! [9]
isFirstTime = false;
if (found == false) {
QMessageBox::information(this, tr("Word Not Found"),
"Sorry, the word cannot be found.");
}
}
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit();
QTextCursor cursor(editor->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextCharFormat plainFormat(cursor.charFormat());
QTextCharFormat headingFormat = plainFormat;
headingFormat.setFontWeight(QFont::Bold);
headingFormat.setFontPointSize(16);
QTextCharFormat emphasisFormat = plainFormat;
emphasisFormat.setFontItalic(true);
QTextCharFormat qtFormat = plainFormat;
qtFormat.setForeground(QColor("#990000"));
QTextCharFormat underlineFormat = plainFormat;
underlineFormat.setFontUnderline(true);
//! [0]
cursor.insertText(tr("Character formats"),
headingFormat);
cursor.insertBlock();
cursor.insertText(tr("Text can be displayed in a variety of "
"different character formats. "), plainFormat);
cursor.insertText(tr("We can emphasize text by "));
cursor.insertText(tr("making it italic"), emphasisFormat);
//! [0]
cursor.insertText(tr(", give it a "), plainFormat);
cursor.insertText(tr("different color "), qtFormat);
cursor.insertText(tr("to the default text color, "), plainFormat);
cursor.insertText(tr("underline it"), underlineFormat);
cursor.insertText(tr(", and use many other effects."), plainFormat);
editor->setWindowTitle(tr("Text Document Character Formats"));
editor->resize(320, 480);
editor->show();
return app.exec();
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit();
QTextCursor cursor(editor->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextCharFormat plainFormat(cursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setForeground(Qt::red);
cursor.insertText(tr("Text can be displayed in a variety of "
"different character "
"formats. "), plainFormat);
cursor.insertText(tr("We can emphasize text by making it "));
cursor.insertText(tr("italic, give it a different color "));
cursor.insertText(tr("to the default text color, underline it, "));
cursor.insertText(tr("and use many other effects."));
QString searchString = tr("text");
QTextDocument *document = editor->document();
//! [0]
QTextCursor newCursor(document);
while (!newCursor.isNull() && !newCursor.atEnd()) {
newCursor = document->find(searchString, newCursor);
if (!newCursor.isNull()) {
newCursor.movePosition(QTextCursor::WordRight,
QTextCursor::KeepAnchor);
newCursor.mergeCharFormat(colorFormat);
}
//! [0] //! [1]
}
//! [1]
editor->setWindowTitle(tr("Text Document Find"));
editor->resize(320, 480);
editor->show();
return app.exec();
}
void TextEdit::findButton(const QRegExp searchString)
{
QTextDocument *document = textEdit->document();
if (isFirstTime == false)
document->undo();
highLightRows.clear();
curHighlightRow = -1;
if (searchString.isEmpty())
{
return;
}
else
{
QTextCursor highlightCursor(document);
QTextCursor cursor(document);
cursor.beginEditBlock();
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setBackground(Qt::yellow);
//qDebug() << searchString.pattern().size();
while (!highlightCursor.isNull() && !highlightCursor.atEnd())
{
//highlightCursor = document->find(searchString, highlightCursor, QTextDocument::FindWholeWords);
highlightCursor = document->find(searchString, highlightCursor);
if (!highlightCursor.isNull())
{
//highlightCursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
//highlightCursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, searchString.pattern().size());
//highlightCursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
highlightCursor.movePosition(QTextCursor::NoMove, QTextCursor::KeepAnchor);
highlightCursor.mergeCharFormat(colorFormat);
if(!highLightRows.contains(highlightCursor.blockNumber()))
highLightRows.append(highlightCursor.blockNumber());
}
}
cursor.endEditBlock();
isFirstTime = false;
if(!highLightRows.isEmpty())
curHighlightRow = highLightRows[0];
select_cur_line();
}
}
//search function
void DocumentWidget::s_search()
{
QString searchString=m_searchLine->text();
QTextDocument *document=m_txt->document();
bool found = false;
if (isFirstTime == false)
document->undo();
if (searchString.isEmpty())
{
QMessageBox::information(this, tr("Empty Search Field"),
"Please enter a word.");
isFirstTime=true;
}
else
{
QTextCursor highlightCursor(document);
QTextCursor cursor(document);
cursor.beginEditBlock();
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setForeground(Qt::red);
while (!highlightCursor.isNull() && !highlightCursor.atEnd()) {
highlightCursor = document->find(searchString, highlightCursor, QTextDocument::FindWholeWords);
if (!highlightCursor.isNull()) {
found = true;
highlightCursor.movePosition(QTextCursor::WordRight,
QTextCursor::KeepAnchor);
highlightCursor.mergeCharFormat(colorFormat);
}
}
cursor.endEditBlock();
isFirstTime = false;
if (found == false) {
QMessageBox::information(this, tr("Word Not Found"),
"Sorry, the word cannot be found.");
isFirstTime = true;
}
}
m_searchLine->clear();
}
void Notepad::on_searchEdit_returnPressed()
{
QString searchString = ui->searchEdit->text();
QTextDocument *document = ui->notepadTextEdit->document();
bool found = false;
if (isFirstTime == false)
document->undo();
if (!searchString.isEmpty()) {
QTextCursor highlightCursor(document);
QTextCursor cursor(document);
cursor.beginEditBlock();
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setForeground(Qt::red);
while (!highlightCursor.isNull() && !highlightCursor.atEnd()) {
highlightCursor = document->find(searchString, highlightCursor, QTextDocument::FindWholeWords);
if (!highlightCursor.isNull()) {
found = true;
highlightCursor.movePosition(QTextCursor::WordRight,
QTextCursor::KeepAnchor);
highlightCursor.mergeCharFormat(colorFormat);
}
}
cursor.endEditBlock();
isFirstTime = false;
/*
if (found == false) {
QMessageBox::information(this, tr("Word Not Found"),
"Sorry, the word cannot be found.");
}
*/
}
}
bool BaseEditor::findAllOccurrance(const QString &text, QTextDocument::FindFlags qff, bool isRE)
{
QTextDocument *doc = document();
findTextSelection.clear();
bool finded=false;
if(text.isEmpty())
{
prevFindCursor = QTextCursor();
return finded;
} else {
QTextEdit::ExtraSelection es;
QTextCursor highlightCursor(doc);
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setBackground(Qt::yellow);
es.format = colorFormat;
QRegExp re(text);
while(!highlightCursor.isNull() && !highlightCursor.atEnd())
{
highlightCursor = isRE ? doc->find(re, highlightCursor, qff) :
doc->find(text, highlightCursor, qff);
if(!highlightCursor.isNull())
{
finded = true;
es.cursor = highlightCursor;
findTextSelection.append(es);
}
}
if(!finded)
{
prevFindCursor = highlightCursor;
}
return finded;
}
}
void MainWindow::on_pb_search_clicked()
{
QTextDocument *document = textBrowser->document();
QString filter = m_search->text();
if (!filter.isEmpty()) {
QTextCursor highlightCursor(document);
QTextCursor cursor(document);
//***************开始***************
cursor.beginEditBlock();
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setBackground(m_Pallette->search_bg_color);
colorFormat.setForeground(m_Pallette->error_fg_color);
QFlag flag = 0;
if(cb_search_case->isChecked()){
flag = flag | QTextDocument::FindCaseSensitively;
}
if(cb_wholeWord->isChecked()){
flag = flag | QTextDocument::FindWholeWords;
}
while (!highlightCursor.isNull() && !highlightCursor.atEnd()) {
highlightCursor = document->find(filter, highlightCursor, flag);
if (!highlightCursor.isNull()) {
highlightCursor.mergeCharFormat(colorFormat);
}
}
cursor.endEditBlock();
//***************结束***************
}
}
void Notepad::on_searchEdit_textChanged(const QString &arg1)
{
QString searchString = ui->searchEdit->text();
QTextDocument *document = ui->notepadTextEdit->document();
bool found = false;
if (isFirstTime == false)
document->undo();
if (!searchString.isEmpty()) {
QTextCursor highlightCursor(document);
QTextCursor cursor(document);
cursor.beginEditBlock();
QTextCharFormat plainFormat(highlightCursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setForeground(Qt::red);
while (!highlightCursor.isNull() && !highlightCursor.atEnd()) {
highlightCursor = document->find(searchString, highlightCursor);
if (!highlightCursor.isNull()) {
found = true;
//highlightCursor.movePosition(QTextCursor::WordRight,
// QTextCursor::KeepAnchor);
highlightCursor.mergeCharFormat(colorFormat);
}
}
cursor.endEditBlock();
isFirstTime = false;
}
}
