我真的不知道,使您得到异常的东西。这是一个我们正在使用的简单的QStyledItemDelegate,没有问题。也许有什么不同?
#include "model_view/color_combo_delegate.h"
#include <QTimer>
#include "map_elements/common/color_combo_box.h"
ColorComboDelegate::ColorComboDelegate(QObject *parent)
: QStyledItemDelegate(parent) {
}
QWidget *ColorComboDelegate::createEditor(
QWidget *parent,
const QStyleOptionViewItem & /*option*/,
const QModelIndex & /*index*/) const {
ColorComboBox *color_combo_box = new ColorComboBox(parent);
connect(color_combo_box, SIGNAL(currentIndexChanged(int)),
this, SLOT(IndexChanged()));
QTimer::singleShot(0, color_combo_box, SLOT(Popup()));
return color_combo_box;
}
QString ColorComboDelegate::displayText(const QVariant &value,
const QLocale &/*locale*/) const {
Map::Color color = static_cast<Map::Color>(value.toInt());
return Map::color_name(color);
}
void ColorComboDelegate::IndexChanged() {
ColorComboBox *color_combo_box = qobject_cast<ColorComboBox *>(sender());
emit commitData(color_combo_box);
emit closeEditor(color_combo_box);
}
void ColorComboDelegate::setEditorData(QWidget * editor,
const QModelIndex & index) const {
ColorComboBox *color_combo_box = qobject_cast<ColorComboBox *>(editor);
Map::Color color = static_cast<Map::Color>(index.data().toInt());
color_combo_box->set_color(color);
}
void ColorComboDelegate::setModelData(QWidget *editor,
QAbstractItemModel *model,
const QModelIndex &index) const {
ColorComboBox *color_combo_box = qobject_cast<ColorComboBox *>(editor);
model->setData(index, color_combo_box->color());
}
你在描述什么应该工作。 (我们做了类似的事情。)你有关于坠毁的更多信息吗? – 2010-09-24 13:09:18
“0xC0000005:访问冲突写入位置0x00000018”。崩溃发生在QBasicAtomicInt :: deref中,但奇怪的是,在堆栈跟踪中,下面有两个调用,有一个调用QItemDelegate :: paint。但我正在使用QStyledItemDelegate ... – 2010-09-24 13:31:15