forked from qt-creator/qt-creator
Remove code that was long obsoleted and commented out.
This commit is contained in:
dt
@@ -350,368 +350,3 @@ void OutputWindow::insertLine()
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appendPlainText(QString());
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}
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#if 0
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OutputWindow::OutputWindow(QWidget *parent)
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: QAbstractScrollArea(parent)
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{
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max_lines = 1000;
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width_used = 0;
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
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same_height = true;
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block_scroll = false;
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setWindowTitle(tr("Application Output Window"));
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setWindowIcon(QIcon(":/qt4projectmanager/images/window.png"));
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}
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void OutputWindow::changed() {
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int remove = lines.size() - max_lines;
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if (remove > 0) {
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selection_start.line -= remove;
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selection_end.line -= remove;
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selection_start = qMax(selection_start, Selection());
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selection_end = qMax(selection_end, Selection());
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if (remove > verticalScrollBar()->value()) {
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if (same_height)
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viewport()->scroll(0, -remove * fontMetrics().lineSpacing());
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else
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viewport()->update();
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} else {
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block_scroll = true;
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verticalScrollBar()->setValue(verticalScrollBar()->value() - remove);
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block_scroll = false;
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}
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while (remove--)
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lines.removeFirst();
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}
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verticalScrollBar()->setRange(0, lines.size() - 1);
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}
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bool OutputWindow::getCursorPos(int *lineNumber, int *position, const QPoint &pos) {
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if (lines.isEmpty())
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return false;
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*lineNumber = verticalScrollBar()->value();
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int x = 4 - horizontalScrollBar()->value();
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int spacing = fontMetrics().lineSpacing();
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int leading = fontMetrics().leading();
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int height = 0;
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QTextLayout textLayout;
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textLayout.setFont(font());
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if (same_height && pos.y() > 0) {
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int skipLines = pos.y() / spacing;
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height += skipLines * spacing;
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*lineNumber = qMin(*lineNumber + skipLines, lines.size() - 1);
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}
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same_height = true;
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while ( *lineNumber < lines.size()) {
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textLayout.setText(lines.at(*lineNumber));
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textLayout.beginLayout();
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while (1) {
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QTextLine line = textLayout.createLine();
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if (!line.isValid())
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break;
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line.setLineWidth(INT_MAX/256);
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height += leading;
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line.setPosition(QPoint(x, height));
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height += static_cast<int>(line.height());
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}
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textLayout.endLayout();
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if (height > pos.y()) {
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*position = textLayout.lineAt(0).xToCursor(pos.x());
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break;
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}
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++*lineNumber;
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}
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return true;
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}
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void OutputWindow::setNumberOfLines(int max)
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{
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max_lines = qMax(1, max);
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while (lines.size() > max_lines)
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lines.removeLast();
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changed();
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}
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int OutputWindow::numberOfLines() const
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{
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return max_lines;
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}
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bool OutputWindow::hasSelectedText() const
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{
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return selection_start != selection_end;
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}
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void OutputWindow::clearSelection()
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{
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bool hadSelectedText = hasSelectedText();
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selection_start = selection_end = Selection();
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if (hadSelectedText)
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viewport()->update();
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}
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QString OutputWindow::selectedText() const
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{
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Selection sel_start = qMin(selection_start, selection_end);
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Selection sel_end = qMax(selection_start, selection_end);
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QString text;
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if (sel_start.line == sel_end.line) {
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text += lines.at(sel_start.line).mid(sel_start.pos, sel_end.pos - sel_start.pos);
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} else {
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int line = sel_start.line;
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text += lines.at(line++).mid(sel_start.pos);
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text += QLatin1Char('\n');
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while (line < sel_end.line) {
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text += lines.at(line++);
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text += QLatin1Char('\n');
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}
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text += lines.at(sel_end.line).left(sel_end.pos);
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}
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return text;
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}
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void OutputWindow::appendOutput(const QString &text)
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{
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lines.append(text);
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if (same_height)
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viewport()->update(
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QRect(0, (lines.size() - verticalScrollBar()->value() - 1) * fontMetrics().lineSpacing(),
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viewport()->width(), viewport()->height()));
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else
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viewport()->update();
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changed();
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int top = lines.size() - (viewport()->height() / fontMetrics().lineSpacing());
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if (verticalScrollBar()->value() == top - 1)
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verticalScrollBar()->setValue(top);
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}
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void OutputWindow::clear()
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{
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clearSelection();
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lines.clear();
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viewport()->update();
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}
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void OutputWindow::copy()
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{
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if (hasSelectedText())
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QApplication::clipboard()->setText(selectedText());
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}
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void OutputWindow::selectAll()
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{
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selection_start = Selection();
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selection_end.line = lines.size() - 1;
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selection_end.pos = lines.last().length() - 1;
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viewport()->update();
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}
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void OutputWindow::scrollContentsBy(int dx, int dy)
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{
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if (block_scroll)
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return;
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if (dx && dy) {
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viewport()->update();
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} else if (dx && !dy) {
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viewport()->scroll(dx, 0);
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} else {
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if (same_height) {
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viewport()->scroll(0, fontMetrics().lineSpacing() * dy);
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} else {
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viewport()->update();
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}
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}
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}
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void OutputWindow::keyPressEvent(QKeyEvent *e)
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{
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bool accept = true;
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if (e == QKeySequence::Copy) {
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copy();
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} else if (e == QKeySequence::SelectAll) {
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selectAll();
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} else if (e->key() == Qt::Key_Enter
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|| e->key() == Qt::Key_Return) {
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insertLine();
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} else {
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accept = false;
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}
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if (accept)
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e->accept();
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else
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QAbstractScrollArea::keyPressEvent(e);
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}
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void OutputWindow::paintEvent(QPaintEvent *e)
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{
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int lineNumber = verticalScrollBar()->value();
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int x = 4 - horizontalScrollBar()->value();
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QPainter p(viewport());
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int spacing = fontMetrics().lineSpacing();
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int leading = fontMetrics().leading();
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int height = 0;
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QTextLayout textLayout;
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textLayout.setFont(font());
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QTextCharFormat selectionFormat;
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selectionFormat.setBackground(palette().highlight());
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selectionFormat.setForeground(palette().highlightedText());
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if (e->rect().top() <= 0 && e->rect().bottom() >= viewport()->rect().bottom())
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width_used = 0; // recalculate
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if (same_height) {
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int skipLines = e->rect().top() / spacing;
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height += skipLines * spacing;
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lineNumber += skipLines;
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}
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same_height = true;
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Selection sel_start = qMin(selection_start, selection_end);
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Selection sel_end = qMax(selection_start, selection_end);
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while ( lineNumber < lines.size() && height <= e->rect().bottom()) {
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QString line = lines.at(lineNumber);
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if (line.size() == 1 && line.at(0) == QChar::ParagraphSeparator) {
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int y = height + spacing/2;
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p.drawLine(e->rect().left(), y, e->rect().right(), y);
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height += spacing;
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} else {
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textLayout.setText(line);
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textLayout.beginLayout();
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while (1) {
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QTextLine line = textLayout.createLine();
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if (!line.isValid())
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break;
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line.setLineWidth(INT_MAX/256);
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height += leading;
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line.setPosition(QPoint(x, height));
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height += static_cast<int>(line.height());
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same_height = same_height && (line.height() + leading) == spacing;
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width_used = qMax(width_used, 8 + static_cast<int>(line.naturalTextWidth()));
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}
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textLayout.endLayout();
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if (lineNumber >= sel_start.line && lineNumber <= sel_end.line) {
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QVector<QTextLayout::FormatRange> selection(1);
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selection[0].start = (lineNumber == sel_start.line)? sel_start.pos : 0;
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selection[0].length = ((lineNumber == sel_end.line) ? sel_end.pos : lines.at(lineNumber).size()) - selection[0].start;
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selection[0].format = selectionFormat;
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textLayout.draw(&p, QPoint(0, 0), selection);
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} else {
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textLayout.draw(&p, QPoint(0, 0));
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}
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}
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++lineNumber;
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}
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horizontalScrollBar()->setRange(0, qMax(0, width_used - viewport()->width()));
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if (horizontalScrollBar()->pageStep() != viewport()->width())
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horizontalScrollBar()->setPageStep(viewport()->width());
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if (height > viewport()->height())
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verticalScrollBar()->setPageStep(lineNumber - verticalScrollBar()->value());
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else if (verticalScrollBar()->pageStep() != viewport()->height() / fontMetrics().lineSpacing())
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verticalScrollBar()->setPageStep(viewport()->height() / fontMetrics().lineSpacing());
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}
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void OutputWindow::mousePressEvent(QMouseEvent *e)
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{
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if (e->button() == Qt::LeftButton) {
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clearSelection();
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if (getCursorPos(&selection_start.line, &selection_start.pos, e->pos())) {
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selection_end = selection_start;
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autoscroll = 0;
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}
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}
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}
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void OutputWindow::timerEvent(QTimerEvent *e)
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{
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if (e->timerId() == autoscroll_timer.timerId()) {
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int autoscroll = 0;
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if (lastMouseMove.y() < 0)
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autoscroll = -1;
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else if (lastMouseMove.y() > viewport()->height())
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autoscroll = 1;
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if (autoscroll) {
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verticalScrollBar()->setValue(verticalScrollBar()->value() + autoscroll);
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OutputWindow::mouseMoveEvent(0);
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}
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}
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QAbstractScrollArea::timerEvent(e);
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}
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void OutputWindow::mouseReleaseEvent(QMouseEvent *e)
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{
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if (e->button() == Qt::LeftButton) {
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autoscroll_timer.stop();
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if (hasSelectedText() && QApplication::clipboard()->supportsSelection())
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QApplication::clipboard()->setText(selectedText(), QClipboard::Selection);
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}
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}
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void OutputWindow::mouseMoveEvent(QMouseEvent *e)
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{
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if (e) {
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lastMouseMove = e->pos();
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if (viewport()->rect().contains(e->pos()))
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autoscroll_timer.stop();
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else
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autoscroll_timer.start(20, this);
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}
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Selection old = selection_end;
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if (!getCursorPos(&selection_end.line, &selection_end.pos, lastMouseMove))
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return;
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if (same_height) {
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Selection from = qMin(old, selection_end);
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Selection to = qMax(old, selection_end);
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viewport()->update(QRect(0, -1 + (from.line - verticalScrollBar()->value()) * fontMetrics().lineSpacing(),
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viewport()->width(), 2 + (to.line - from.line + 1) * fontMetrics().lineSpacing()));
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} else {
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viewport()->update();
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}
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}
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void OutputWindow::contextMenuEvent(QContextMenuEvent * e)
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{
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QMenu menu(this);
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QAction *clearAction = menu.addAction("Clear", this, SLOT(clear()));
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QAction *copyAction = menu.addAction("Copy", this, SLOT(copy()), QKeySequence::Copy);
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QAction *selectAllAction = menu.addAction("Select All", this, SLOT(selectAll()), QKeySequence::SelectAll);
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if (lines.empty()) {
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clearAction->setDisabled(true);
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selectAllAction->setDisabled(true);
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}
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if (!hasSelectedText())
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copyAction->setDisabled(true);
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menu.exec(e->globalPos());
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}
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#endif // 0
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