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471d972e62
#rnx #rb none #ROBOMERGE-SOURCE: CL 10869240 via CL 10869516 via CL 10869902 #ROBOMERGE-BOT: (v613-10869866) [CL 10870584 by ryan durand in Main branch]
459 lines
16 KiB
C++
459 lines
16 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Linux/DesktopPlatformLinux.h"
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#include "HAL/FileManager.h"
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#include "Misc/Paths.h"
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#include "Misc/Guid.h"
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#include "Misc/ConfigCacheIni.h"
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#include "Misc/FeedbackContext.h"
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#include "DesktopPlatformPrivate.h"
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#include "Modules/ModuleManager.h"
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#include "Linux/LinuxApplication.h"
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#include "Misc/FeedbackContextMarkup.h"
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#include "HAL/ThreadHeartBeat.h"
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#include "Misc/FileHelper.h"
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#include "Internationalization/Regex.h"
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//#include "LinuxNativeFeedbackContext.h"
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#include "ISlateFileDialogModule.h"
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#define LOCTEXT_NAMESPACE "DesktopPlatform"
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#define MAX_FILETYPES_STR 4096
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#define MAX_FILENAME_STR 65536
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FDesktopPlatformLinux::FDesktopPlatformLinux()
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: FDesktopPlatformBase()
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{
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}
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FDesktopPlatformLinux::~FDesktopPlatformLinux()
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{
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}
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bool FDesktopPlatformLinux::OpenFileDialog(const void* ParentWindowHandle, const FString& DialogTitle, const FString& DefaultPath, const FString& DefaultFile, const FString& FileTypes, uint32 Flags, TArray<FString>& OutFilenames, int32& OutFilterIndex)
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{
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if (!FModuleManager::Get().IsModuleLoaded("SlateFileDialogs"))
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{
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FModuleManager::Get().LoadModule("SlateFileDialogs");
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}
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ISlateFileDialogsModule *FileDialog = FModuleManager::GetModulePtr<ISlateFileDialogsModule>("SlateFileDialogs");
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if (FileDialog)
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{
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return FileDialog->OpenFileDialog(ParentWindowHandle, DialogTitle, DefaultPath, DefaultFile, FileTypes, Flags, OutFilenames, OutFilterIndex);
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}
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return false;
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}
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bool FDesktopPlatformLinux::OpenFileDialog(const void* ParentWindowHandle, const FString& DialogTitle, const FString& DefaultPath, const FString& DefaultFile, const FString& FileTypes, uint32 Flags, TArray<FString>& OutFilenames)
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{
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if (!FModuleManager::Get().IsModuleLoaded("SlateFileDialogs"))
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{
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FModuleManager::Get().LoadModule("SlateFileDialogs");
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}
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ISlateFileDialogsModule *FileDialog = FModuleManager::GetModulePtr<ISlateFileDialogsModule>("SlateFileDialogs");
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if (FileDialog)
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{
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return FileDialog->OpenFileDialog(ParentWindowHandle, DialogTitle, DefaultPath, DefaultFile, FileTypes, Flags, OutFilenames);
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}
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return false;
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}
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bool FDesktopPlatformLinux::SaveFileDialog(const void* ParentWindowHandle, const FString& DialogTitle, const FString& DefaultPath, const FString& DefaultFile, const FString& FileTypes, uint32 Flags, TArray<FString>& OutFilenames)
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{
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if (!FModuleManager::Get().IsModuleLoaded("SlateFileDialogs"))
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{
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FModuleManager::Get().LoadModule("SlateFileDialogs");
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}
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ISlateFileDialogsModule *FileDialog = FModuleManager::GetModulePtr<ISlateFileDialogsModule>("SlateFileDialogs");
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if (FileDialog)
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{
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return FileDialog->SaveFileDialog(ParentWindowHandle, DialogTitle, DefaultPath, DefaultFile, FileTypes, Flags, OutFilenames);
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}
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return false;
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}
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bool FDesktopPlatformLinux::OpenDirectoryDialog(const void* ParentWindowHandle, const FString& DialogTitle, const FString& DefaultPath, FString& OutFolderName)
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{
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if (!FModuleManager::Get().IsModuleLoaded("SlateFileDialogs"))
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{
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FModuleManager::Get().LoadModule("SlateFileDialogs");
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}
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ISlateFileDialogsModule *FileDialog = FModuleManager::GetModulePtr<ISlateFileDialogsModule>("SlateFileDialogs");
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if (FileDialog)
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{
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return FileDialog->OpenDirectoryDialog(ParentWindowHandle, DialogTitle, DefaultPath, OutFolderName);
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}
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return false;
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}
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bool FDesktopPlatformLinux::OpenFontDialog(const void* ParentWindowHandle, FString& OutFontName, float& OutHeight, EFontImportFlags& OutFlags)
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{
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STUBBED("FDesktopPlatformLinux::OpenFontDialog");
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return false;
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}
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bool FDesktopPlatformLinux::FileDialogShared(bool bSave, const void* ParentWindowHandle, const FString& DialogTitle, const FString& DefaultPath, const FString& DefaultFile, const FString& FileTypes, uint32 Flags, TArray<FString>& OutFilenames, int32& OutFilterIndex)
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{
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return false;
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}
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bool FDesktopPlatformLinux::RegisterEngineInstallation(const FString &RootDir, FString &OutIdentifier)
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{
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bool bRes = false;
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if (IsValidRootDirectory(RootDir))
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{
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FConfigFile ConfigFile;
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FString ConfigPath = FString(FPlatformProcess::ApplicationSettingsDir()) / FString(TEXT("UnrealEngine")) / FString(TEXT("Install.ini"));
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ConfigFile.Read(ConfigPath);
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FConfigSection &Section = ConfigFile.FindOrAdd(TEXT("Installations"));
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OutIdentifier = FGuid::NewGuid().ToString(EGuidFormats::DigitsWithHyphensInBraces);
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Section.AddUnique(*OutIdentifier, RootDir);
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ConfigFile.Dirty = true;
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ConfigFile.Write(ConfigPath);
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bRes = true;
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}
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return bRes;
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}
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void FDesktopPlatformLinux::EnumerateEngineInstallations(TMap<FString, FString> &OutInstallations)
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{
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EnumerateLauncherEngineInstallations(OutInstallations);
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FString UProjectPath = FString(FPlatformProcess::ApplicationSettingsDir()) / "Unreal.uproject";
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FArchive* File = IFileManager::Get().CreateFileWriter(*UProjectPath, FILEWRITE_EvenIfReadOnly);
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if (File)
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{
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File->Close();
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delete File;
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}
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else
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{
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FSlowHeartBeatScope SuspendHeartBeat;
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SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Unable to write to Settings Directory", TCHAR_TO_UTF8(*UProjectPath), NULL);
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}
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FConfigFile ConfigFile;
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FString ConfigPath = FString(FPlatformProcess::ApplicationSettingsDir()) / FString(TEXT("UnrealEngine")) / FString(TEXT("Install.ini"));
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ConfigFile.Read(ConfigPath);
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FConfigSection &Section = ConfigFile.FindOrAdd(TEXT("Installations"));
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// Remove invalid entries
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// @todo The installations list might contain multiple keys for the same value. Do we have to remove them?
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TArray<FName> KeysToRemove;
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for (auto It : Section)
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{
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const FString& EngineDir = It.Value.GetValue();
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// We remove entries pointing to a folder that doesn't exist or was using the wrong path.
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if (EngineDir.Contains(FPaths::EngineDir()) || !IFileManager::Get().DirectoryExists(*EngineDir))
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{
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KeysToRemove.Add(It.Key);
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ConfigFile.Dirty = true;
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}
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}
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for (auto Key : KeysToRemove)
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{
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Section.Remove(Key);
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}
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FConfigSection SectionsToAdd;
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// Iterate through all entries.
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for (auto It : Section)
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{
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FString EngineDir = It.Value.GetValue();
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FPaths::NormalizeDirectoryName(EngineDir);
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FPaths::CollapseRelativeDirectories(EngineDir);
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FString EngineId;
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const FName* Key = Section.FindKey(EngineDir);
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if (Key == nullptr)
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{
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Key = SectionsToAdd.FindKey(EngineDir);
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}
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if (Key)
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{
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FGuid IdGuid;
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FGuid::Parse(Key->ToString(), IdGuid);
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EngineId = IdGuid.ToString(EGuidFormats::DigitsWithHyphensInBraces);
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}
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else
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{
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if (!OutInstallations.FindKey(EngineDir))
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{
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EngineId = FGuid::NewGuid().ToString(EGuidFormats::DigitsWithHyphensInBraces);
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SectionsToAdd.AddUnique(*EngineId, EngineDir);
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ConfigFile.Dirty = true;
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}
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}
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if (!EngineId.IsEmpty() && !OutInstallations.Find(EngineId))
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{
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OutInstallations.Add(EngineId, EngineDir);
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}
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}
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for (auto It : SectionsToAdd)
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{
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Section.AddUnique(It.Key, It.Value.GetValue());
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}
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ConfigFile.Write(ConfigPath);
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IFileManager::Get().Delete(*UProjectPath);
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}
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bool FDesktopPlatformLinux::IsSourceDistribution(const FString &RootDir)
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{
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// Check for the existence of a GenerateProjectFiles.sh file. This allows compatibility with the GitHub 4.0 release.
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FString GenerateProjectFilesPath = RootDir / TEXT("GenerateProjectFiles.sh");
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if (IFileManager::Get().FileSize(*GenerateProjectFilesPath) >= 0)
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{
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return true;
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}
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// Otherwise use the default test
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return FDesktopPlatformBase::IsSourceDistribution(RootDir);
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}
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static bool RunXDGUtil(FString XDGUtilCommand, FString* StdOut = nullptr)
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{
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// Run through bash incase xdg-utils is overriden via path.
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FString CommandLine = TEXT("/bin/bash");
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int32 ReturnCode;
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if (FPlatformProcess::ExecProcess(*CommandLine, *XDGUtilCommand, &ReturnCode, StdOut, nullptr) && ReturnCode == 0)
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{
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return true;
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}
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return false;
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}
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static bool CompareAndCheckDesktopFile(const TCHAR* DesktopFileName, const TCHAR* MimeType)
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{
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FString Association(DesktopFileName);
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if (MimeType != nullptr)
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{
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Association = FString();
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RunXDGUtil(*FString::Printf(TEXT("xdg-mime query default %s"), MimeType), &Association);
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if (!Association.Contains(TEXT(".desktop")))
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{
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return false;
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}
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Association = Association.Replace(TEXT(".desktop"), TEXT(""));
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Association = Association.Replace(TEXT("\n"), TEXT(""));
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}
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// There currently appears to be no way to locate the desktop file with xdg-utils so access the file via the expected location.
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FString DataDir = FPlatformMisc::GetEnvironmentVariable(TEXT("XDG_DATA_HOME"));
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if (DataDir.Len() == 0)
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{
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DataDir = FPlatformMisc::GetEnvironmentVariable(TEXT("HOME")) + TEXT("/.local/share");
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}
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// Get the contents of the desktop file.
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FString InstalledDesktopFileContents;
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FFileHelper::LoadFileToString(InstalledDesktopFileContents, *FString::Printf(TEXT("%s/applications/%s.desktop"), *DataDir, *Association));
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// Make sure the installed and default desktop file was created by unreal engine.
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if (!InstalledDesktopFileContents.Contains(TEXT("Comment=Created by Unreal Engine")))
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{
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return false;
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}
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// Get the version of the installed desktop file.
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float InstalledVersion = 0.0;
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FRegexPattern Pattern(TEXT("Version=(.*)\\n"));
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FRegexMatcher Matcher(Pattern, InstalledDesktopFileContents);
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const TCHAR* Contents = *InstalledDesktopFileContents;
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if (Matcher.FindNext())
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{
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InstalledVersion = FCString::Atof(*Matcher.GetCaptureGroup(1));
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}
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else
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{
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return false;
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}
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// Get the version of the template desktop file for this engine source.
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FString TemplateDesktopFileContents;
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float TemplateVersion = 0.0;
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FFileHelper::LoadFileToString(TemplateDesktopFileContents, *FString::Printf(TEXT("%sPrograms/UnrealVersionSelector/Private/Linux/Resources/%s.desktop"), *FPaths::EngineSourceDir(), DesktopFileName));
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Matcher = FRegexMatcher(Pattern, TemplateDesktopFileContents);
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if (Matcher.FindNext())
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{
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TemplateVersion = FCString::Atof(*Matcher.GetCaptureGroup(1));
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}
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// If our template version is greater than the installed version then it needs to be updated to point to this engine's version.
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if (TemplateVersion > InstalledVersion)
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{
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return false;
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}
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// If the template version was lower or the same check if the installed version points to a valid binary.
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FString DesktopFileExecPath;
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Pattern = FRegexPattern(TEXT("Exec=(.*) %f\\n"));
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Matcher = FRegexMatcher(Pattern, TemplateDesktopFileContents);
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if (Matcher.FindNext())
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{
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DesktopFileExecPath = Matcher.GetCaptureGroup(1);
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}
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if (DesktopFileExecPath.Compare("bash") != 0 && !FPaths::FileExists(*DesktopFileExecPath))
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{
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return false;
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}
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return true;
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}
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bool FDesktopPlatformLinux::VerifyFileAssociations()
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{
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if (!CompareAndCheckDesktopFile(TEXT("com.epicgames.UnrealVersionSelector"), TEXT("application/uproject")))
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{
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return false;
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}
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if (!CompareAndCheckDesktopFile(TEXT("com.epicgames.UnrealEngine"), nullptr))
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{
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return false;
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}
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return true;
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}
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bool FDesktopPlatformLinux::UpdateFileAssociations()
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{
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// It would be more robust to follow the XDG spec and alter the mime and desktop databases directly.
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// However calling though to xdg-utils provides a simpler implementation and allows a user or distro to override the scripts.
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if (VerifyFileAssociations())
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{
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// If UVS was already installed and the same version or greater then it should not be updated.
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return true;
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}
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// Install the icons, one for uprojects and one for the main Unreal Engine launcher.
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if (!RunXDGUtil(FString::Printf(TEXT("xdg-icon-resource install --novendor --mode user --context mimetypes --size 256 %sPrograms/UnrealVersionSelector/Private/Linux/Resources/Icon.png uproject"), *FPaths::EngineSourceDir())))
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{
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return false;
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}
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if (!RunXDGUtil(FString::Printf(TEXT("xdg-icon-resource install --novendor --mode user --context apps --size 256 %sRuntime/Launch/Resources/Linux/UE4.png ubinary"), *FPaths::EngineSourceDir())))
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{
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return false;
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}
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FString AbsoluteEngineDir = IFileManager::Get().ConvertToAbsolutePathForExternalAppForWrite(*FPaths::EngineDir());
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// Add the desktop file for the Unreal Version Selector mime-type from the template.
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FString DesktopTemplate;
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FFileHelper::LoadFileToString(DesktopTemplate, *FString::Printf(TEXT("%sPrograms/UnrealVersionSelector/Private/Linux/Resources/com.epicgames.UnrealVersionSelector.desktop"), *FPaths::EngineSourceDir()));
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DesktopTemplate = DesktopTemplate.Replace(TEXT("*ENGINEDIR*"), *AbsoluteEngineDir);
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FFileHelper::SaveStringToFile(DesktopTemplate, TEXT("/tmp/com.epicgames.UnrealVersionSelector.desktop"));
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if (!RunXDGUtil(TEXT("xdg-desktop-menu install --novendor --mode user /tmp/com.epicgames.UnrealVersionSelector.desktop")))
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{
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return false;
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}
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// Add the desktop file for the Unreal Engine Generate Project List icon from the template.
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DesktopTemplate = FString();
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FFileHelper::LoadFileToString(DesktopTemplate, *FString::Printf(TEXT("%sPrograms/UnrealVersionSelector/Private/Linux/Resources/com.epicgames.UnrealEngine.desktop"), *FPaths::EngineSourceDir()));
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DesktopTemplate = DesktopTemplate.Replace(TEXT("*ENGINEDIR*"), *AbsoluteEngineDir);
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FFileHelper::SaveStringToFile(DesktopTemplate, TEXT("/tmp/com.epicgames.UnrealEngine.desktop"));
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if (!RunXDGUtil(TEXT("xdg-desktop-menu install --novendor --mode user /tmp/com.epicgames.UnrealEngine.desktop")))
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{
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return false;
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}
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// Add the desktop file for the Unreal Engine Editor icon from the template.
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DesktopTemplate = FString();
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FFileHelper::LoadFileToString(DesktopTemplate, *FString::Printf(TEXT("%sPrograms/UnrealVersionSelector/Private/Linux/Resources/com.epicgames.UnrealEngineEditor.desktop"), *FPaths::EngineSourceDir()));
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DesktopTemplate = DesktopTemplate.Replace(TEXT("*ENGINEDIR*"), *AbsoluteEngineDir);
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FFileHelper::SaveStringToFile(DesktopTemplate, TEXT("/tmp/com.epicgames.UnrealEngineEditor.desktop"));
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if (!RunXDGUtil(TEXT("xdg-desktop-menu install --novendor --mode user /tmp/com.epicgames.UnrealEngineEditor.desktop")))
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{
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return false;
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}
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// Create the mime types and set the default applications.
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if (!RunXDGUtil(FString::Printf(TEXT("xdg-mime install --novendor --mode user %sPrograms/UnrealVersionSelector/Private/Linux/Resources/uproject.xml"), *FPaths::EngineSourceDir())))
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{
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return false;
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}
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if (!RunXDGUtil(TEXT("xdg-mime default com.epicgames.UnrealEngineEditor.desktop application/uproject")))
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{
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return false;
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}
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return true;
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}
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bool FDesktopPlatformLinux::OpenProject(const FString &ProjectFileName)
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{
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// Get the project filename in a native format
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FString PlatformProjectFileName = ProjectFileName;
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FPaths::MakePlatformFilename(PlatformProjectFileName);
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STUBBED("FDesktopPlatformLinux::OpenProject");
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return false;
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}
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bool FDesktopPlatformLinux::RunUnrealBuildTool(const FText& Description, const FString& RootDir, const FString& Arguments, FFeedbackContext* Warn)
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{
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// Get the path to UBT
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FString UnrealBuildToolPath = RootDir / TEXT("Engine/Binaries/DotNET/UnrealBuildTool.exe");
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if(IFileManager::Get().FileSize(*UnrealBuildToolPath) < 0)
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{
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Warn->Logf(ELogVerbosity::Error, TEXT("Couldn't find UnrealBuildTool at '%s'"), *UnrealBuildToolPath);
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return false;
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}
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// Write the output
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Warn->Logf(TEXT("Running %s %s"), *UnrealBuildToolPath, *Arguments);
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// launch UBT with Mono
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FString ScriptPath = FPaths::ConvertRelativePathToFull(RootDir / TEXT("Engine/Build/BatchFiles/Linux/RunMono.sh"));
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FString CmdLineParams = FString::Printf(TEXT("\"%s\" \"%s\" %s"), *ScriptPath, *UnrealBuildToolPath, *Arguments);
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// Spawn it with bash (and not sh) because of pushd
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int32 ExitCode = 0;
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return FFeedbackContextMarkup::PipeProcessOutput(Description, TEXT("/bin/bash"), CmdLineParams, Warn, &ExitCode) && ExitCode == 0;
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}
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bool FDesktopPlatformLinux::IsUnrealBuildToolRunning()
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{
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// For now assume that if mono application is running, we're running UBT
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// @todo: we need to get the commandline for the mono process and check if UBT.exe is in there.
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return FPlatformProcess::IsApplicationRunning(TEXT("mono"));
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}
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FFeedbackContext* FDesktopPlatformLinux::GetNativeFeedbackContext()
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{
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//unimplemented();
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STUBBED("FDesktopPlatformLinux::GetNativeFeedbackContext");
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return GWarn;
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}
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FString FDesktopPlatformLinux::GetUserTempPath()
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{
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return FString(FPlatformProcess::UserTempDir());
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}
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#undef LOCTEXT_NAMESPACE
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