void OperationsDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{
const QVariant value = index.data(Qt::EditRole);
if (value.type() == QVariant::StringList) {
QListWidget *lw = qobject_cast<QListWidget *>(editor);
const auto items = lw->findItems(index.data(Qt::DisplayRole).toString(), Qt::MatchExactly);
if (!items.empty())
lw->setCurrentItem(items.first());
else
lw->setCurrentItem(lw->item(0));
const int extraWidth = 25;
const int extraHeight = 6;
lw->setMinimumWidth(lw->sizeHintForColumn(0) + extraWidth);
// to prevent possible hiding bottom part of the list
const int h = lw->count() * (lw->visualItemRect(lw->currentItem()).height() + extraHeight);
const int y = (lw->parentWidget() && (lw->parentWidget()->rect().bottom() < lw->y() + h))
? lw->parentWidget()->rect().bottom() - h - extraHeight : lw->y();
lw->setGeometry(lw->x(), y, lw->width(), h);
// now lw can be partially hidden behind the tree view
// if tree view has small rect, so set parent of lw
// to app window and map coordinates accordingly to leave lw in place
const auto globalCoord = lw->parentWidget()->mapToGlobal(lw->geometry().topLeft());
lw->setParent(appWindow);
const auto newLocalCoord = appWindow->mapFromGlobal(globalCoord);
lw->setGeometry(newLocalCoord.x(), newLocalCoord.y(), lw->width(), h);
}
else // single value
QStyledItemDelegate::setEditorData(editor, index);
}
int KMessageBox::createKMessageBox(KDialog *dialog, const QIcon &icon,
const QString &text, const QStringList &strlist,
const QString &ask, bool *checkboxReturn, Options options,
const QString &details, QMessageBox::Icon notifyType)
{
QWidget *mainWidget = new QWidget(dialog);
QVBoxLayout *mainLayout = new QVBoxLayout(mainWidget);
mainLayout->setSpacing(KDialog::spacingHint() * 2); // provide extra spacing
mainLayout->setMargin(0);
QHBoxLayout *hLayout = new QHBoxLayout();
hLayout->setMargin(0);
hLayout->setSpacing(-1); // use default spacing
mainLayout->addLayout(hLayout,5);
QLabel *iconLabel = new QLabel(mainWidget);
if (!icon.isNull()) {
QStyleOption option;
option.initFrom(mainWidget);
iconLabel->setPixmap(icon.pixmap(mainWidget->style()->pixelMetric(QStyle::PM_MessageBoxIconSize, &option, mainWidget)));
}
QVBoxLayout *iconLayout = new QVBoxLayout();
iconLayout->addStretch(1);
iconLayout->addWidget(iconLabel);
iconLayout->addStretch(5);
hLayout->addLayout(iconLayout,0);
hLayout->addSpacing(KDialog::spacingHint());
QLabel *messageLabel = new QLabel(text, mainWidget);
messageLabel->setOpenExternalLinks(options & KMessageBox::AllowLink);
Qt::TextInteractionFlags flags = Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard;
if (options & KMessageBox::AllowLink) {
flags |= Qt::LinksAccessibleByMouse | Qt::LinksAccessibleByKeyboard;
}
messageLabel->setTextInteractionFlags(flags);
QRect desktop = KGlobalSettings::desktopGeometry(dialog);
bool usingSqueezedTextLabel = false;
if (messageLabel->sizeHint().width() > desktop.width() * 0.5) {
// enable automatic wrapping of messages which are longer than 50% of screen width
messageLabel->setWordWrap(true);
// display a text widget with scrollbar if still too wide
usingSqueezedTextLabel = messageLabel->sizeHint().width() > desktop.width() * 0.85;
if (usingSqueezedTextLabel)
{
delete messageLabel;
messageLabel = new KSqueezedTextLabel(text, mainWidget);
messageLabel->setOpenExternalLinks(options & KMessageBox::AllowLink);
messageLabel->setTextInteractionFlags(flags);
}
}
QPalette messagePal(messageLabel->palette());
messagePal.setColor(QPalette::Window, Qt::transparent);
messageLabel->setPalette(messagePal);
bool usingScrollArea=desktop.height() / 3 < messageLabel->sizeHint().height();
if (usingScrollArea)
{
QScrollArea* messageScrollArea = new QScrollArea(mainWidget);
messageScrollArea->setWidget(messageLabel);
messageScrollArea->setFrameShape(QFrame::NoFrame);
messageScrollArea->setWidgetResizable(true);
QPalette scrollPal(messageScrollArea->palette());
scrollPal.setColor(QPalette::Window, Qt::transparent);
messageScrollArea->viewport()->setPalette(scrollPal);
hLayout->addWidget(messageScrollArea,5);
}
else
hLayout->addWidget(messageLabel,5);
const bool usingListWidget=!strlist.isEmpty();
if (usingListWidget) {
// enable automatic wrapping since the listwidget has already a good initial width
messageLabel->setWordWrap(true);
QListWidget *listWidget = new QListWidget(mainWidget);
listWidget->addItems(strlist);
QStyleOptionViewItem styleOption;
styleOption.initFrom(listWidget);
QFontMetrics fm(styleOption.font);
int w = listWidget->width();
Q_FOREACH(const QString &str, strlist) {
w = qMax(w, fm.width(str));
}
const int borderWidth = listWidget->width() - listWidget->viewport()->width() + listWidget->verticalScrollBar()->height();
w += borderWidth;
if (w > desktop.width() * 0.85) { // limit listWidget size to 85% of screen width
w = qRound(desktop.width() * 0.85);
}
listWidget->setMinimumWidth(w);
mainLayout->addWidget(listWidget,usingScrollArea?10:50);
listWidget->setSelectionMode(QListWidget::NoSelection);
messageLabel->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Minimum);
}