Add "about application" menu and dialog on macOS

Also enable linking qtimageformats as a static plugin on macOS,
it is required to read the .icns file to be shown on the dialog.

Task-number: QTIFW-2453
Change-Id: Ib776635167a4c90ffa20a91ecc447d2d73f5aeb9
Reviewed-by: Katja Marttila <katja.marttila@qt.io>

5 files changed, 167 insertions, 6 deletions

diff --git a/src/sdk/aboutapplicationdialog.cpp b/src/sdk/aboutapplicationdialog.cpp
new file mode 100644
index 000000000..dc47c956e
--- /dev/null
+++ b/src/sdk/aboutapplicationdialog.cpp
@@ -0,0 +1,100 @@
+/**************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Installer Framework.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+**************************************************************************/
+
+#include "aboutapplicationdialog.h"
+
+#include <packagemanagercore.h>
+#include <settings.h>
+
+#include <QGridLayout>
+#include <QLabel>
+#include <QDialogButtonBox>
+#include <QPixmap>
+
+#define QUOTE_(x) #x
+#define QUOTE(x) QUOTE_(x)
+
+#define ABOUT_IFW_VERSION "Built with Qt Installer Framework " QUOTE(IFW_VERSION_STR)
+#define ABOUT_QT_VERSION "Based on Qt " QT_VERSION_STR
+#define ABOUT_BUILD_DATE "Built on " __DATE__
+#define ABOUT_BUILD_YEAR (__DATE__ + 7)
+#define ABOUT_SHA "From revision " QUOTE(_GIT_SHA1_)
+
+AboutApplicationDialog::AboutApplicationDialog(QInstaller::PackageManagerCore *core, QWidget *parent)
+    : QDialog(parent)
+{
+    setObjectName(QLatin1String("AboutApplicationDialog"));
+
+    const QString productName = core->value(QLatin1String("ProductName"));
+    if (core->isInstaller())
+        setWindowTitle(tr("About %1 installer").arg(productName));
+    else
+        setWindowTitle(tr("About %1 Maintenance Tool").arg(productName));
+
+    QGridLayout *layout = new QGridLayout(this);
+    layout->setSizeConstraint(QLayout::SetFixedSize);
+
+    QLabel *logoLabel = new QLabel;
+#ifdef Q_OS_MACOS
+    QPixmap pixmap;
+    if (pixmap.load(core->settings().installerApplicationIcon()))
+        logoLabel->setPixmap(pixmap);
+#else
+    logoLabel->setPixmap(core->settings().installerWindowIcon());
+#endif
+    const QString description = QString::fromLatin1(
+        "<h3>%1</h3>"
+        "%2<br/>"
+        "<br/>"
+        "%3<br/>"
+        "<br/>"
+        "%4<br/>"
+        "<br/>"
+        "Copyright %5 The Qt Company Ltd. All rights reserved.<br/>"
+        "<br/>"
+        "The program is provided AS IS with NO WARRANTY OF ANY KIND, "
+        "INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A "
+        "PARTICULAR PURPOSE.<br/>")
+        .arg(QLatin1String(ABOUT_IFW_VERSION),
+             QLatin1String(ABOUT_QT_VERSION),
+             QLatin1String(ABOUT_BUILD_DATE),
+             QLatin1String(ABOUT_SHA),
+             QLatin1String(ABOUT_BUILD_YEAR)
+    );
+
+    QLabel *aboutLabel = new QLabel(description);
+    aboutLabel->setWordWrap(true);
+    aboutLabel->setTextInteractionFlags(Qt::TextBrowserInteraction);
+
+    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
+    connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+
+    layout->addWidget(logoLabel , 0, 0, 1, 1);
+    layout->addWidget(aboutLabel, 0, 1, 4, 4);
+    layout->addWidget(buttonBox, 4, 0, 1, 5);
+}
diff --git a/src/sdk/aboutapplicationdialog.h b/src/sdk/aboutapplicationdialog.h
new file mode 100644
index 000000000..5f05aa6d9
--- /dev/null
+++ b/src/sdk/aboutapplicationdialog.h
@@ -0,0 +1,48 @@
+/**************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Installer Framework.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+**************************************************************************/
+
+#ifndef ABOUTAPPLICATIONDIALOG_H
+#define ABOUTAPPLICATIONDIALOG_H
+
+#include <QDialog>
+
+namespace QInstaller {
+    class PackageManagerCore;
+}
+
+class AboutApplicationDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit AboutApplicationDialog(QInstaller::PackageManagerCore *core,
+                                    QWidget *parent = nullptr);
+    ~AboutApplicationDialog() = default;
+};
+
+#endif // ABOUTAPPLICATIONDIALOG_H
diff --git a/src/sdk/sdk.pro b/src/sdk/sdk.pro
index d952d3462..cc20244fd 100644
--- a/src/sdk/sdk.pro
+++ b/src/sdk/sdk.pro
@@ -18,10 +18,11 @@ QT += network qml xml widgets
 }
 
 CONFIG(static, static|shared) {
-  # prevent qmake from automatically linking in imageformats, bearer, qmltooling plugins
-  QTPLUGIN.imageformats = -
+  # prevent qmake from automatically linking in bearer and qmltooling plugins
   QTPLUGIN.bearer = -
   QTPLUGIN.qmltooling = -
+  # ICNS support required on macOS, prevent linking on other platforms
+  !macos:QTPLUGIN.imageformats = -
 }
 
 DESTDIR = $$IFW_APP_PATH
@@ -100,7 +101,8 @@ HEADERS += \
            settingsdialog.h \
            sdkapp.h \
            commandlineinterface.h \
-           installerbase.h
+           installerbase.h \
+           aboutapplicationdialog.h
 
 SOURCES = \
           main.cpp \
@@ -108,7 +110,8 @@ SOURCES = \
           tabcontroller.cpp \
           installerbasecommons.cpp \
           settingsdialog.cpp \
-          commandlineinterface.cpp
+          commandlineinterface.cpp \
+          aboutapplicationdialog.cpp
 
 win32 {
     # Use our own manifest file
diff --git a/src/sdk/tabcontroller.cpp b/src/sdk/tabcontroller.cpp
index 3bcb3f11a..56ab524aa 100644
--- a/src/sdk/tabcontroller.cpp
+++ b/src/sdk/tabcontroller.cpp
@@ -1,6 +1,6 @@
 /**************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Installer Framework.
@@ -29,6 +29,7 @@
 
 #include "installerbasecommons.h"
 #include "settingsdialog.h"
+#include "aboutapplicationdialog.h"
 #include "globals.h"
 
 #include <packagemanagercore.h>
@@ -118,6 +119,8 @@ int TabController::init()
         connect(d->m_gui, &QWizard::currentIdChanged, this, &TabController::onCurrentIdChanged);
         connect(d->m_gui, &PackageManagerGui::settingsButtonClicked,
                 this, &TabController::onSettingsButtonClicked);
+        connect(d->m_gui, &PackageManagerGui::aboutApplicationClicked,
+                this, &TabController::onAboutApplicationClicked);
     }
 
     IntroductionPage *page =
@@ -182,6 +185,12 @@ void TabController::onSettingsButtonClicked()
     }
 }
 
+void TabController::onAboutApplicationClicked()
+{
+    AboutApplicationDialog dialog(d->m_core);
+    dialog.exec();
+}
+
 void TabController::onCurrentIdChanged(int newId)
 {
     if (d->m_gui) {
diff --git a/src/sdk/tabcontroller.h b/src/sdk/tabcontroller.h
index 5fc63aff3..a92e724b4 100644
--- a/src/sdk/tabcontroller.h
+++ b/src/sdk/tabcontroller.h
@@ -1,6 +1,6 @@
 /**************************************************************************
 **
-** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Installer Framework.
@@ -60,6 +60,7 @@ public Q_SLOTS:
 private Q_SLOTS:
     void restartWizard();
     void onSettingsButtonClicked();
+    void onAboutApplicationClicked();
     void onCurrentIdChanged(int newId);
     void onNetworkSettingsChanged(const QInstaller::Settings &settings);