window.cpp 范例文件

itemviews/fetchmore/window.cpp
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#include "filelistmodel.h" #include "window.h" #include <QtWidgets> Window::Window(QWidget *parent) : QWidget(parent) { FileListModel *model = new FileListModel(this); model->setDirPath(QLibraryInfo::location(QLibraryInfo::PrefixPath)); QLabel *label = new QLabel(tr("&Directory:")); QLineEdit *lineEdit = new QLineEdit; label->setBuddy(lineEdit); QListView *view = new QListView; view->setModel(model); logViewer = new QTextBrowser; logViewer->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred)); connect(lineEdit, &QLineEdit::textChanged, model, &FileListModel::setDirPath); connect(lineEdit, &QLineEdit::textChanged, logViewer, &QTextEdit::clear); connect(model, &FileListModel::numberPopulated, this, &Window::updateLog); QGridLayout *layout = new QGridLayout; layout->addWidget(label, 0, 0); layout->addWidget(lineEdit, 0, 1); layout->addWidget(view, 1, 0, 1, 2); layout->addWidget(logViewer, 2, 0, 1, 2); setLayout(layout); setWindowTitle(tr("Fetch More Example")); } void Window::updateLog(int number) { logViewer->append(tr("%1 items added.").arg(number)); }