Added a Warning When VS2019 is not Installed with Link to Download it (#2042)

* Added a warning when VS2019 is not installed with link to download it

Signed-off-by: nggieber <nggieber@amazon.com>

* Widden VSWarning dialog

Signed-off-by: nggieber <nggieber@amazon.com>

* Fix issue with checking for Visual Studio

Signed-off-by: nggieber <nggieber@amazon.com>

* PALify compiler detection

Signed-off-by: nggieber <nggieber@amazon.com>

* Changed windows compiler check to waitForFinished instead of waitForReadyRead

Signed-off-by: nggieber <nggieber@amazon.com>

Code/Tools/ProjectManager/Platform/Linux/PAL_linux_files.cmake

@@ -8,4 +8,5 @@
 set(FILES
     Python_linux.cpp
     ProjectBuilderWorker_linux.cpp
+    ProjectUtils_linux.cpp
 )

Code/Tools/ProjectManager/Platform/Linux/ProjectUtils_linux.cpp

@@ -0,0 +1,21 @@
+/*
+ * 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 <ProjectUtils.h>
+
+namespace O3DE::ProjectManager
+{
+    namespace ProjectUtils
+    {
+        AZ::Outcome<void, QString> FindSupportedCompilerForPlatform()
+        {
+            // Compiler detection not supported on platform
+            return AZ::Success();
+        }
+        
+    } // namespace ProjectUtils
+} // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Platform/Mac/PAL_mac_files.cmake

@@ -8,4 +8,5 @@
 set(FILES
     Python_mac.cpp
     ProjectBuilderWorker_mac.cpp
+    ProjectUtils_mac.cpp
 )

Code/Tools/ProjectManager/Platform/Mac/ProjectUtils_mac.cpp

@@ -0,0 +1,21 @@
+/*
+ * 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 <ProjectUtils.h>
+
+namespace O3DE::ProjectManager
+{
+    namespace ProjectUtils
+    {
+        AZ::Outcome<void, QString> FindSupportedCompilerForPlatform()
+        {
+            // Compiler detection not supported on platform
+            return AZ::Success();
+        }
+        
+    } // namespace ProjectUtils
+} // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Platform/Windows/PAL_windows_files.cmake

@@ -8,4 +8,5 @@
 set(FILES
     Python_windows.cpp
     ProjectBuilderWorker_windows.cpp
+    ProjectUtils_windows.cpp
 )

Code/Tools/ProjectManager/Platform/Windows/ProjectUtils_windows.cpp

@@ -0,0 +1,60 @@
+/*
+ * 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 <ProjectUtils.h>
+
+#include <QDir>
+#include <QFileInfo>
+#include <QProcess>
+#include <QProcessEnvironment>
+
+namespace O3DE::ProjectManager
+{
+    namespace ProjectUtils
+    {
+        AZ::Outcome<void, QString> FindSupportedCompilerForPlatform()
+        {
+            QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();
+            QString programFilesPath = environment.value("ProgramFiles(x86)");
+            QString vsWherePath = QDir(programFilesPath).filePath("Microsoft Visual Studio/Installer/vswhere.exe");
+
+            QFileInfo vsWhereFile(vsWherePath);
+            if (vsWhereFile.exists() && vsWhereFile.isFile())
+            {
+                QProcess vsWhereProcess;
+                vsWhereProcess.setProcessChannelMode(QProcess::MergedChannels);
+
+                vsWhereProcess.start(
+                    vsWherePath,
+                    QStringList{
+                        "-version",
+                        "16.0",
+                        "-latest",
+                        "-requires",
+                        "Microsoft.VisualStudio.Component.VC.Tools.x86.x64",
+                        "-property",
+                        "isComplete"
+                    });
+
+                if (vsWhereProcess.waitForStarted() && vsWhereProcess.waitForFinished())
+                {
+                    QString vsWhereOutput(vsWhereProcess.readAllStandardOutput());
+                    if (vsWhereOutput.startsWith("1"))
+                    {
+                        return AZ::Success();
+                    }
+                }
+            }
+
+            return AZ::Failure(QObject::tr("Visual Studio 2019 not found.\n\n"
+                "Visual Studio 2019 is required to build this project."
+                " Install any edition of <a href='https://visualstudio.microsoft.com/downloads/'>Visual Studio 2019</a>"
+                " before proceeding to the next step."));
+        }
+        
+    } // namespace ProjectUtils
+} // namespace O3DE::ProjectManager

Code/Tools/ProjectManager/Source/CreateProjectCtrl.cpp

@@ -12,6 +12,7 @@
 #include <ScreenHeaderWidget.h>
 #include <GemCatalog/GemModel.h>
 #include <GemCatalog/GemCatalogScreen.h>
+#include <ProjectUtils.h>
 
 #include <QDialogButtonBox>
 #include <QHBoxLayout>
@@ -221,6 +222,8 @@ namespace O3DE::ProjectManager
     }
 
     void CreateProjectCtrl::CreateProject()
+    {
+        if (ProjectUtils::FindSupportedCompiler(this))
         {
             if (m_newProjectSettingsScreen->Validate())
             {
@@ -252,7 +255,9 @@ namespace O3DE::ProjectManager
             }
             else
             {
-            QMessageBox::warning(this, tr("Invalid project settings"), tr("Please correct the indicated project settings and try again."));
+                QMessageBox::warning(
+                    this, tr("Invalid project settings"), tr("Please correct the indicated project settings and try again."));
+            }
         }
     }
 

Code/Tools/ProjectManager/Source/ProjectUtils.cpp

@@ -17,6 +17,8 @@
 #include <QProcessEnvironment>
 #include <QGuiApplication>
 #include <QProgressDialog>
+#include <QSpacerItem>
+#include <QGridLayout>
 
 namespace O3DE::ProjectManager
 {
@@ -374,46 +376,27 @@ namespace O3DE::ProjectManager
             return true;
         }
 
-        static bool IsVS2019Installed_internal()
+        bool FindSupportedCompiler(QWidget* parent)
         {
-            QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();
+            auto findCompilerResult = FindSupportedCompilerForPlatform();
-            QString programFilesPath = environment.value("ProgramFiles(x86)");
-            QString vsWherePath = programFilesPath + "\\Microsoft Visual Studio\\Installer\\vswhere.exe";
 
-            QFileInfo vsWhereFile(vsWherePath);
+            if (!findCompilerResult.IsSuccess())
-            if (vsWhereFile.exists() && vsWhereFile.isFile())
             {
-                QProcess vsWhereProcess;
+                QMessageBox vsWarningMessage(parent);
-                vsWhereProcess.setProcessChannelMode(QProcess::MergedChannels);
+                vsWarningMessage.setIcon(QMessageBox::Warning);
+                vsWarningMessage.setWindowTitle(QObject::tr("Create Project"));
+                // Makes link clickable
+                vsWarningMessage.setTextFormat(Qt::RichText);
+                vsWarningMessage.setText(findCompilerResult.GetError());
+                vsWarningMessage.setStandardButtons(QMessageBox::Close);
 
-                vsWhereProcess.start(
+                QSpacerItem* horizontalSpacer = new QSpacerItem(600, 0, QSizePolicy::Minimum, QSizePolicy::Expanding);
-                    vsWherePath,
+                QGridLayout* layout = reinterpret_cast<QGridLayout*>(vsWarningMessage.layout());
-                    QStringList{ "-version", "16.0", "-latest", "-requires", "Microsoft.VisualStudio.Component.VC.Tools.x86.x64",
+                layout->addItem(horizontalSpacer, layout->rowCount(), 0, 1, layout->columnCount());
-                                 "-property", "isComplete" });
+                vsWarningMessage.exec();
-
-                if (!vsWhereProcess.waitForStarted())
-                {
-                    return false;
-                }
-
-                while (vsWhereProcess.waitForReadyRead())
-                {
             }
 
-                QString vsWhereOutput(vsWhereProcess.readAllStandardOutput());
+            return findCompilerResult.IsSuccess();
-                if (vsWhereOutput.startsWith("1"))
-                {
-                    return true;
-                }
-            }
-
-            return false;
-        }
-
-        bool IsVS2019Installed()
-        {
-            static bool vs2019Installed = IsVS2019Installed_internal();
-            return vs2019Installed;
         }
 
         ProjectManagerScreen GetProjectManagerScreen(const QString& screen)

Code/Tools/ProjectManager/Source/ProjectUtils.h

@@ -8,6 +8,7 @@
 
 #include <ScreenDefs.h>
 #include <QWidget>
+#include <AzCore/Outcome/Outcome.h>
 
 namespace O3DE::ProjectManager
 {
@@ -23,7 +24,8 @@ namespace O3DE::ProjectManager
 
         bool ReplaceFile(const QString& origFile, const QString& newFile, QWidget* parent = nullptr, bool interactive = true);
 
-        bool IsVS2019Installed();
+        bool FindSupportedCompiler(QWidget* parent = nullptr);
+        AZ::Outcome<void, QString> FindSupportedCompilerForPlatform();
 
         ProjectManagerScreen GetProjectManagerScreen(const QString& screen);
     } // namespace ProjectUtils

Code/Tools/ProjectManager/Source/ProjectsScreen.cpp

@@ -516,7 +516,7 @@ namespace O3DE::ProjectManager
 
     bool ProjectsScreen::StartProjectBuild(const ProjectInfo& projectInfo)
     {
-        if (ProjectUtils::IsVS2019Installed())
+        if (ProjectUtils::FindSupportedCompiler(this))
         {
             QMessageBox::StandardButton buildProject = QMessageBox::information(
                 this,