QTextFragment ChatView::getFragmentUnderMouse(const QPoint &pos) const
{
QTextCursor cursor(cursorForPosition(pos));
QTextBlock block(cursor.block());
QTextBlock::iterator it;
for (it = block.begin(); !(it.atEnd()); ++it) {
QTextFragment frag = it.fragment();
if (frag.contains(cursor.position()))
return frag;
}
return QTextFragment();
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit;
QTextDocument *document = new QTextDocument(editor);
QTextCursor cursor(document);
QTextImageFormat imageFormat;
imageFormat.setName(":/images/advert.png");
cursor.insertImage(imageFormat);
QTextBlock block = cursor.block();
QTextFragment fragment;
QTextBlock::iterator it;
for (it = block.begin(); !(it.atEnd()); ++it) {
fragment = it.fragment();
if (fragment.contains(cursor.position()))
break;
}
//! [0]
if (fragment.isValid()) {
QTextImageFormat newImageFormat = fragment.charFormat().toImageFormat();
if (newImageFormat.isValid()) {
newImageFormat.setName(":/images/newimage.png");
QTextCursor helper = cursor;
helper.setPosition(fragment.position());
helper.setPosition(fragment.position() + fragment.length(),
QTextCursor::KeepAnchor);
helper.setCharFormat(newImageFormat);
//! [0] //! [1]
}
//! [1] //! [2]
}
//! [2]
cursor.insertBlock();
cursor.insertText("Code less. Create more.");
editor->setDocument(document);
editor->setWindowTitle(tr("Text Document Image Format"));
editor->resize(320, 480);
editor->show();
return app.exec();
}
