本文整理汇总了C++中QDropEvent::possibleActions方法的典型用法代码示例。如果您正苦于以下问题：C++ QDropEvent::possibleActions方法的具体用法？C++ QDropEvent::possibleActions怎么用？C++ QDropEvent::possibleActions使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QDropEvent的用法示例。
在下文中一共展示了QDropEvent::possibleActions方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: eventFilter
/** Redefined to forward events to children. */
bool TabPlaylist::eventFilter(QObject *obj, QEvent *event)
{
if (event->type() == QEvent::DragEnter) {
event->accept();
return true;
} else if (event->type() == QEvent::Drop) {
QDropEvent *de = static_cast<QDropEvent*>(event);
if (de->source() == NULL) {
// Drag & Drop comes from another application but has landed in the playlist area
de->ignore();
QDropEvent *d = new QDropEvent(de->pos(), de->possibleActions(), de->mimeData(), de->mouseButtons(), de->keyboardModifiers());
_mainWindow->dispatchDrop(d);
return true;
} else {
if (obj == cornerWidget()) {
auto p = this->addPlaylist();
p->forceDrop(de);
} else {
currentPlayList()->forceDrop(de);
}
return true;
}
}
return QTabWidget::eventFilter(obj, event);
}示例2: eventFilter
bool HashBox::eventFilter(QObject* object, QEvent* event)
{
if (object == dropWidget) {
if (event->type() == QEvent::DragEnter) {
QDragEnterEvent* dragEnterEvent = static_cast<QDragEnterEvent*>(event);
if (dragEnterEvent) {
/* print out mimeType */
showFormats("HashBox::dragEnterEvent", dragEnterEvent->mimeData()->formats());
if (dragEnterEvent->mimeData()->hasUrls()) {
std::cerr << "HashBox::dragEnterEvent() Accepting Urls" << std::endl;
dragEnterEvent->acceptProposedAction();
} else {
std::cerr << "HashBox::dragEnterEvent() No Urls" << std::endl;
}
}
} else if (event->type() == QEvent::Drop) {
QDropEvent* dropEvent = static_cast<QDropEvent*>(event);
if (dropEvent) {
if (Qt::CopyAction & dropEvent->possibleActions()) {
/* print out mimeType */
showFormats("HashBox::dropEvent", dropEvent->mimeData()->formats());
QStringList files;
if (dropEvent->mimeData()->hasUrls()) {
std::cerr << "HashBox::dropEvent() Urls:" << std::endl;
QList<QUrl> urls = dropEvent->mimeData()->urls();
QList<QUrl>::iterator uit;
for (uit = urls.begin(); uit != urls.end(); ++uit) {
QString localpath = uit->toLocalFile();
std::cerr << "Whole URL: " << uit->toString().toStdString() << std::endl;
std::cerr << "or As Local File: " << localpath.toStdString() << std::endl;
if (localpath.isEmpty() == false) {
//Check that the file does exist and is not a directory
QDir dir(localpath);
if (dir.exists()) {
std::cerr << "HashBox::dropEvent() directory not accepted." << std::endl;
QMessageBox mb(tr("Drop file error."), tr("Directory can't be dropped, only files are accepted."), QMessageBox::Information, QMessageBox::Ok, 0, 0, this);
mb.exec();
} else if (QFile::exists(localpath)) {
files.push_back(localpath);
} else {
std::cerr << "HashBox::dropEvent() file does not exists."<< std::endl;
QMessageBox mb(tr("Drop file error."), tr("File not found or file name not accepted."), QMessageBox::Information, QMessageBox::Ok, 0, 0, this);
mb.exec();
}
}
}
}
addAttachments(files,mDefaultTransferFlags);
dropEvent->setDropAction(Qt::CopyAction);
dropEvent->accept();
} else {
std::cerr << "HashBox::dropEvent() Rejecting uncopyable DropAction" << std::endl;
}
}
}
}
// pass the event on to the parent class
return QScrollArea::eventFilter(object, event);
}