Merge pull request #1250 from aws-lumberyard-dev/lawalfua/commonToolsApplication

Addition of a base AzQtToolsApplication class

Code/Framework/AzQtComponents/AzQtComponents/Application/AzQtApplication.cpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <AzQtComponents/Application/AzQtApplication.h>
+
+#include <AzCore/PlatformIncl.h> // This should be the first include to make sure Windows.h is defined with NOMINMAX
+#include <AzQtComponents/Utilities/QtPluginPaths.h>
+
+namespace AzQtComponents
+{
+
+    AzQtApplication::AzQtApplication(int& argc, char** argv)
+        : QApplication(argc, argv)
+    {
+         // Use a common Qt settings path for applications that don't register their own application name
+         QApplication::setOrganizationName("O3DE");
+         QApplication::setOrganizationDomain("o3de.org");
+         QApplication::setApplicationName("O3DE Tools Application");
+
+         AzQtComponents::PrepareQtPaths();
+
+         QLocale::setDefault(QLocale(QLocale::English, QLocale::UnitedStates));
+    }
+
+    void AzQtApplication::InitializeDpiScaling()
+    {    
+         QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+         QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+         QCoreApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
+         QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+         AzQtComponents::Utilities::HandleDpiAwareness(AzQtComponents::Utilities::SystemDpiAware);
+    }
+} // namespace AzQtComponents
+

Code/Framework/AzQtComponents/AzQtComponents/Application/AzQtApplication.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <QApplication>
+
+#include <AzQtComponents/Utilities/HandleDpiAwareness.h>
+
+namespace AzQtComponents
+{
+    //! Base class for O3DE Tools Applications
+    class AZ_QT_COMPONENTS_API AzQtApplication
+        : public QApplication
+    {
+    public:       
+        AzQtApplication(int& argc, char** argv);
+
+        //! Initializes Qt DPI scaling to handle displays with high display densities, such as Retina displays.
+            //! Currently, this uses Qt's system DPI awareness, in which a common device scaling factor will be
+            //! calculated across all attached screens.
+            //! \warning This must be called before this AzQtApplication instance is initialized.
+        static void InitializeDpiScaling();
+    };
+
+} // namespace AzQtComponents
+
+
+

Code/Framework/AzQtComponents/AzQtComponents/azqtcomponents_files.cmake

@@ -8,6 +8,8 @@
 
 set(FILES
     AzQtComponentsAPI.h
+    Application/AzQtApplication.cpp
+    Application/AzQtApplication.h
     Buses/DragAndDrop.h
     Buses/ShortcutDispatch.h
     DragAndDrop/MainWindowDragAndDrop.h