void QTextDocumentPrivate::insert_frame(QTextFrame *f) { int start = f->firstPosition(); int end = f->lastPosition(); QTextFrame *parent = frameAt(start-1); Q_ASSERT(parent == frameAt(end+1)); if (start != end) { // iterator over the parent and move all children contained in my frame to myself for (int i = 0; i < parent->d_func()->childFrames.size(); ++i) { QTextFrame *c = parent->d_func()->childFrames.at(i); if (start < c->firstPosition() && end > c->lastPosition()) { parent->d_func()->childFrames.removeAt(i); f->d_func()->childFrames.append(c); c->d_func()->parentFrame = f; } } } // insert at the correct position int i = 0; for (; i < parent->d_func()->childFrames.size(); ++i) { QTextFrame *c = parent->d_func()->childFrames.at(i); if (c->firstPosition() > end) break; } parent->d_func()->childFrames.insert(i, f); f->d_func()->parentFrame = parent; }
void QQuickTextNode::addTextDocument(const QPointF &position, QTextDocument *textDocument, const QColor &textColor, QQuickText::TextStyle style, const QColor &styleColor, const QColor &anchorColor, const QColor &selectionColor, const QColor &selectedTextColor, int selectionStart, int selectionEnd) { QQuickTextNodeEngine engine; engine.setTextColor(textColor); engine.setSelectedTextColor(selectedTextColor); engine.setSelectionColor(selectionColor); engine.setAnchorColor(anchorColor); engine.setPosition(position); QList<QTextFrame *> frames; frames.append(textDocument->rootFrame()); while (!frames.isEmpty()) { QTextFrame *textFrame = frames.takeFirst(); frames.append(textFrame->childFrames()); engine.addFrameDecorations(textDocument, textFrame); if (textFrame->firstPosition() > textFrame->lastPosition() && textFrame->frameFormat().position() != QTextFrameFormat::InFlow) { const int pos = textFrame->firstPosition() - 1; ProtectedLayoutAccessor *a = static_cast<ProtectedLayoutAccessor *>(textDocument->documentLayout()); QTextCharFormat format = a->formatAccessor(pos); QRectF rect = a->frameBoundingRect(textFrame); QTextBlock block = textFrame->firstCursorPosition().block(); engine.setCurrentLine(block.layout()->lineForTextPosition(pos - block.position())); engine.addTextObject(rect.topLeft(), format, QQuickTextNodeEngine::Unselected, textDocument, pos, textFrame->frameFormat().position()); } else { QTextFrame::iterator it = textFrame->begin(); while (!it.atEnd()) { Q_ASSERT(!engine.currentLine().isValid()); QTextBlock block = it.currentBlock(); engine.addTextBlock(textDocument, block, position, textColor, anchorColor, selectionStart, selectionEnd); ++it; } } } engine.addToSceneGraph(this, style, styleColor); }
static QTextFrame *findChildFrame(QTextFrame *f, int pos) { // ##### use binary search QList<QTextFrame *> children = f->childFrames(); for (int i = 0; i < children.size(); ++i) { QTextFrame *c = children.at(i); if (pos >= c->firstPosition() && pos <= c->lastPosition()) return c; } return 0; }
void MainWindow::selectFrame() { QTextCursor cursor = editor->textCursor(); QTextFrame *frame = cursor.currentFrame(); cursor.beginEditBlock(); cursor.setPosition(frame->firstPosition()); cursor.setPosition(frame->lastPosition(), QTextCursor::KeepAnchor); cursor.endEditBlock(); editor->setTextCursor(cursor); }
void QTextDocumentPrivate::changeObjectFormat(QTextObject *obj, int format) { beginEditBlock(); int objectIndex = obj->objectIndex(); int oldFormatIndex = formats.objectFormatIndex(objectIndex); formats.setObjectFormatIndex(objectIndex, format); QTextBlockGroup *b = qobject_cast<QTextBlockGroup *>(obj); if (b) { b->d_func()->markBlocksDirty(); } QTextFrame *f = qobject_cast<QTextFrame *>(obj); if (f) documentChange(f->firstPosition(), f->lastPosition() - f->firstPosition()); QTextUndoCommand c = { QTextUndoCommand::GroupFormatChange, true, QTextUndoCommand::MoveCursor, oldFormatIndex, 0, 0, { obj->d_func()->objectIndex }, 0 }; appendUndoItem(c); endEditBlock(); }