From 807f819357e9e2419ee47e03d76df162ab6365b6 Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@qt.io>
Date: Thu, 5 Apr 2018 09:47:48 +0200
Subject: Manual dialogs test: Add about dialog showing style and scaling

Change-Id: I8750956056466d3cfd99903fb5e432ac81223403
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
---
 tests/manual/dialogs/main.cpp | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

(limited to 'tests/manual')

diff --git a/tests/manual/dialogs/main.cpp b/tests/manual/dialogs/main.cpp
index 3f7b33ee7a..83089e684c 100644
--- a/tests/manual/dialogs/main.cpp
+++ b/tests/manual/dialogs/main.cpp
@@ -33,10 +33,13 @@
 #include "wizardpanel.h"
 #include "messageboxpanel.h"
 
+#include <QLibraryInfo>
+#include <QDialogButtonBox>
 #include <QMainWindow>
 #include <QApplication>
 #include <QMenuBar>
 #include <QTabWidget>
+#include <QFormLayout>
 #include <QMenu>
 #include <QAction>
 #include <QKeySequence>
@@ -44,10 +47,40 @@
 // Test for dialogs, allowing to play with all dialog options for implementing native dialogs.
 // Compiles with Qt 4.8 and Qt 5.
 
+class AboutDialog : public QDialog
+{
+public:
+    explicit AboutDialog(QWidget *parent = 0);
+};
+
+AboutDialog::AboutDialog(QWidget *parent) : QDialog(parent)
+{
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+    QFormLayout *mainLayout = new QFormLayout(this);
+#if QT_VERSION >= 0x050600
+    mainLayout->addRow(new QLabel(QLibraryInfo::build()));
+#else
+    mainLayout->addRow(new QLabel(QLatin1String("Qt ") + QLatin1String(QT_VERSION_STR )));
+#endif
+    mainLayout->addRow("Style:", new QLabel(qApp->style()->objectName()));
+#if QT_VERSION >= 0x050600
+    mainLayout->addRow("DPR:", new QLabel(QString::number(qApp->devicePixelRatio())));
+#endif
+    const QString resolution = QString::number(logicalDpiX()) + QLatin1Char(',')
+                               + QString::number(logicalDpiY()) + QLatin1String("dpi");
+    mainLayout->addRow("Resolution:", new QLabel(resolution));
+    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close, Qt::Horizontal);
+    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+    mainLayout->addRow(buttonBox);
+}
+
 class MainWindow : public QMainWindow {
     Q_OBJECT
 public:
     explicit MainWindow(QWidget *parent = 0);
+
+public slots:
+    void aboutDialog();
 };
 
 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
@@ -66,6 +99,9 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     action->setShortcut(QKeySequence(QKeySequence::Paste));
     action = editMenu->addAction(tr("Select All"));
     action->setShortcut(QKeySequence(QKeySequence::SelectAll));
+    QMenu *aboutMenu = menuBar()->addMenu(tr("&About"));
+    QAction *aboutAction = aboutMenu->addAction(tr("About..."), this, SLOT(aboutDialog()));
+    aboutAction->setShortcut(Qt::Key_F1);
     QTabWidget *tabWidget = new QTabWidget;
     tabWidget->addTab(new FileDialogPanel, tr("QFileDialog"));
     tabWidget->addTab(new ColorDialogPanel, tr("QColorDialog"));
@@ -78,6 +114,13 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     setCentralWidget(tabWidget);
 }
 
+void MainWindow::aboutDialog()
+{
+    AboutDialog dialog(this);
+    dialog.setWindowTitle(tr("About Dialogs"));
+    dialog.exec();
+}
+
 int main(int argc, char *argv[])
 {
 #if QT_VERSION >= 0x050700
-- 
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