C++ (Cpp) QFileInfoList::indexOf Examples

Example #1

File: filetree.cpp Project: PNIDigitalMedia/emscripten-qt

//! [5]
QXmlNodeModelIndex FileTree::nextSibling(const QXmlNodeModelIndex &nodeIndex,
        const QFileInfo &fileInfo,
        qint8 offset) const
{
    Q_ASSERT(offset == -1 || offset == 1);

    // Get the context node's parent.
    const QXmlNodeModelIndex parent(nextFromSimpleAxis(Parent, nodeIndex));

    if (parent.isNull())
        return QXmlNodeModelIndex();

    // Get the parent's child list.
    const QFileInfo parentFI(toFileInfo(parent));
    Q_ASSERT(Type(parent.additionalData()) == Directory);
    const QFileInfoList siblings(QDir(parentFI.absoluteFilePath()).entryInfoList(QStringList(),
                                 m_filterAllowAll,
                                 m_sortFlags));
    Q_ASSERT_X(!siblings.isEmpty(), Q_FUNC_INFO, "Can't happen! We started at a child.");

    // Find the index of the child where we started.
    const int indexOfMe = siblings.indexOf(fileInfo);

    // Apply the offset.
    const int siblingIndex = indexOfMe + offset;
    if (siblingIndex < 0 || siblingIndex > siblings.count() - 1)
        return QXmlNodeModelIndex();
    else
        return toNodeIndex(siblings.at(siblingIndex));
}

Example #2

File: mainwindow.cpp Project: asif-mahmud/photoqt

// Open a new file
void MainWindow::handleOpenFileEvent(QString filename, QString filter) {

// On Windows, we have to remove all three '/' after 'file:', on Linux, we need to leave one of them
#ifdef Q_OS_WIN
	if(filename.startsWith("file:///"))
		filename = filename.remove(0,8);
#else
	if(filename.startsWith("file://"))
		filename = filename.remove(0,7);
#endif

	if(filename.trimmed() == "") {
		QMetaObject::invokeMethod(object, "openFile");
		return;
	}

	variables->keepLoadingThumbnails = true;

	setOverrideCursor();

	if(variables->verbose)
		LOG << CURDATE << "handleOpenFileEvent(): Handle response to request to open new file" << NL;

	// Decode filename
	QByteArray usethis = QByteArray::fromPercentEncoding(filename.trimmed().toUtf8());

	// Store filter
	variables->openfileFilter = filter;


	QString file = "";

	// Check return file
	file = usethis;

	QMetaObject::invokeMethod(object, "alsoIgnoreSystemShortcuts",
				  Q_ARG(QVariant, false));

	// Save current directory
	variables->currentDir = QFileInfo(file).absolutePath();

	// Clear loaded thumbnails
	variables->loadedThumbnails.clear();

	// Load direcgtory
	QFileInfoList l = loadDir->loadDir(file,variables->openfileFilter);
	if(l.isEmpty()) {
		QMetaObject::invokeMethod(object, "noResultsFromFilter");
		restoreOverrideCursor();
		return;
	}
	if(!l.contains(QFileInfo(file)))
		file = l.at(0).filePath();

	// Get and store length
	int l_length = l.length();
	settingsPerSession->setValue("countTot",l_length);

	// Convert QFileInfoList into QStringList and store it
	QStringList ll;
	for(int i = 0; i < l_length; ++i)
		ll.append(l.at(i).absoluteFilePath());
	settingsPerSession->setValue("allFileList",ll);

	// Get and store current position
	int curPos = l.indexOf(QFileInfo(file));
	settingsPerSession->setValue("curPos",curPos);

	// Setiup thumbnail model
	QMetaObject::invokeMethod(object, "setupModel",
		Q_ARG(QVariant, ll),
		Q_ARG(QVariant, curPos));

	// Display current postiion in main image view
	QMetaObject::invokeMethod(object, "displayImage",
				  Q_ARG(QVariant, curPos));

	QVariant centerPos = curPos;
	if(!QMetaObject::invokeMethod(object, "getCenterPos",
				  Q_RETURN_ARG(QVariant, centerPos)))
		std::cerr << CURDATE <<  "handleOpenFileEvent(): ERROR: couldn't get center pos!" << NL;

	// And handle the thumbnails
	handleThumbnails(centerPos.toInt());

	restoreOverrideCursor();

}