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50
51#include "window.h"
52#include "filelistmodel.h"
53
54#include <QtWidgets>
55
56Window::Window(QWidget *parent)
57 : QWidget(parent)
58{
59 FileListModel *model = new FileListModel(this);
60 model->setDirPath(QLibraryInfo::location(QLibraryInfo::PrefixPath));
61
62 QLabel *label = new QLabel(tr(s: "&Directory:"));
63 QLineEdit *lineEdit = new QLineEdit;
64 label->setBuddy(lineEdit);
65
66 QListView *view = new QListView;
67 view->setModel(model);
68
69 logViewer = new QTextBrowser(this);
70 logViewer->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred));
71
72 connect(sender: lineEdit, signal: &QLineEdit::textChanged,
73 receiver: model, slot: &FileListModel::setDirPath);
74 connect(sender: lineEdit, signal: &QLineEdit::textChanged,
75 receiver: logViewer, slot: &QTextEdit::clear);
76 connect(sender: model, signal: &FileListModel::numberPopulated,
77 receiver: this, slot: &Window::updateLog);
78
79 QGridLayout *layout = new QGridLayout;
80 layout->addWidget(label, row: 0, column: 0);
81 layout->addWidget(lineEdit, row: 0, column: 1);
82 layout->addWidget(view, row: 1, column: 0, rowSpan: 1, columnSpan: 2);
83 layout->addWidget(logViewer, row: 2, column: 0, rowSpan: 1, columnSpan: 2);
84
85 setLayout(layout);
86 setWindowTitle(tr(s: "Fetch More Example"));
87}
88
89void Window::updateLog(int number)
90{
91 logViewer->append(text: tr(s: "%1 items added.").arg(a: number));
92}
93

source code of qtbase/examples/widgets/itemviews/fetchmore/window.cpp