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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "UI/GUIS_GameUIFunctionLibrary.h"
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#include "CommonInputSubsystem.h"
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#include "CommonInputTypeEnum.h"
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#include "GUIS_LogChannels.h"
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#include "Components/ListView.h"
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#include "Engine/GameInstance.h"
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#include "UI/GUIS_GameUILayout.h"
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#include "UI/GUIS_GameUIPolicy.h"
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#include "UI/GUIS_GameUISubsystem.h"
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#include "Widgets/CommonActivatableWidgetContainer.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GUIS_GameUIFunctionLibrary)
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int32 UGUIS_GameUIFunctionLibrary::InputSuspensions = 0;
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ECommonInputType UGUIS_GameUIFunctionLibrary::GetOwningPlayerInputType(const UUserWidget* WidgetContextObject)
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{
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if (WidgetContextObject)
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{
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if (const UCommonInputSubsystem* InputSubsystem = UCommonInputSubsystem::Get(WidgetContextObject->GetOwningLocalPlayer()))
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{
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return InputSubsystem->GetCurrentInputType();
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}
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}
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return ECommonInputType::Count;
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}
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bool UGUIS_GameUIFunctionLibrary::IsOwningPlayerUsingTouch(const UUserWidget* WidgetContextObject)
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{
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if (WidgetContextObject)
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{
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if (const UCommonInputSubsystem* InputSubsystem = UCommonInputSubsystem::Get(WidgetContextObject->GetOwningLocalPlayer()))
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{
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return InputSubsystem->GetCurrentInputType() == ECommonInputType::Touch;
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}
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}
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return false;
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}
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bool UGUIS_GameUIFunctionLibrary::IsOwningPlayerUsingGamepad(const UUserWidget* WidgetContextObject)
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{
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if (WidgetContextObject)
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{
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if (const UCommonInputSubsystem* InputSubsystem = UCommonInputSubsystem::Get(WidgetContextObject->GetOwningLocalPlayer()))
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{
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return InputSubsystem->GetCurrentInputType() == ECommonInputType::Gamepad;
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}
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}
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return false;
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}
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UCommonActivatableWidget* UGUIS_GameUIFunctionLibrary::PushContentToUILayer_ForPlayer(const APlayerController* PlayerController, FGameplayTag LayerName,
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TSubclassOf<UCommonActivatableWidget> WidgetClass)
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{
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if (!ensure(PlayerController) || !ensure(WidgetClass != nullptr))
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{
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return nullptr;
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}
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UGUIS_GameUILayout* UILayout = GetGameUILayoutForPlayer(PlayerController);
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if (UILayout == nullptr)
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{
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FFrame::KismetExecutionMessage(TEXT("PushContentToUILayer_ForPlayer failed to find UILayout for player."), ELogVerbosity::Error);
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return nullptr;
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}
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return UILayout->PushWidgetToLayerStack(LayerName, WidgetClass);
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}
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void UGUIS_GameUIFunctionLibrary::PopContentFromUILayer_ForPlayer(const APlayerController* PlayerController, FGameplayTag LayerName, int32 RemainNum)
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{
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if (!ensure(PlayerController))
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{
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return;
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}
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UGUIS_GameUILayout* UILayout = GetGameUILayoutForPlayer(PlayerController);
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if (UILayout == nullptr)
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{
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FFrame::KismetExecutionMessage(TEXT("PopContentFromUILayer_ForPlayer failed to find UILayout for player."), ELogVerbosity::Error);
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return;
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}
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if (UCommonActivatableWidgetContainerBase* Layer = UILayout->GetLayerWidget(LayerName))
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{
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const TArray<UCommonActivatableWidget*>& List = Layer->GetWidgetList();
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int32 MinIdx = RemainNum >= 1 ? RemainNum - 1 : 0;
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for (int32 i = List.Num() - 1; i >= MinIdx; i--)
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{
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Layer->RemoveWidget(*List[i]);
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}
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}
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}
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// void UGUIS_GameUIFunctionLibrary::PushStreamedContentToLayer_ForPlayer(const ULocalPlayer* LocalPlayer, FGameplayTag LayerName, TSoftClassPtr<UCommonActivatableWidget> WidgetClass)
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// {
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// if (!ensure(LocalPlayer) || !ensure(!WidgetClass.IsNull()))
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// {
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// return;
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// }
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//
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// if (UGameUIManagerSubsystem* UIManager = LocalPlayer->GetGameInstance()->GetSubsystem<UGameUIManagerSubsystem>())
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// {
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// if (UGameUIPolicy* Policy = UIManager->GetCurrentUIPolicy())
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// {
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// if (UPrimaryGameLayout* RootLayout = Policy->GetRootLayout(CastChecked<UCommonLocalPlayer>(LocalPlayer)))
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// {
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// const bool bSuspendInputUntilComplete = true;
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// RootLayout->PushWidgetToLayerStackAsync(LayerName, bSuspendInputUntilComplete, WidgetClass);
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// }
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// }
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// }
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// }
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void UGUIS_GameUIFunctionLibrary::PopContentFromUILayer(UCommonActivatableWidget* ActivatableWidget)
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{
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if (!ActivatableWidget)
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{
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// Ignore request to pop an already deleted widget
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return;
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}
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if (const APlayerController* PlayerController = ActivatableWidget->GetOwningPlayer())
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{
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if (UGUIS_GameUILayout* UILayout = GetGameUILayoutForPlayer(PlayerController))
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{
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UE_LOG(LogGUIS, Verbose, TEXT("Popped content:%s from ui layer."), *GetNameSafe(ActivatableWidget))
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UILayout->FindAndRemoveWidgetFromLayer(ActivatableWidget);
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}
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}
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}
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void UGUIS_GameUIFunctionLibrary::PopContentsFromUILayer(TArray<UCommonActivatableWidget*> ActivatableWidgets, bool bReverse)
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{
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if (bReverse)
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{
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for (int32 i = ActivatableWidgets.Num() - 1; i >= 0; i--)
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{
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PopContentFromUILayer(ActivatableWidgets[i]);
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}
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}
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else
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{
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for (int32 i = 0; i < ActivatableWidgets.Num(); i++)
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{
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PopContentFromUILayer(ActivatableWidgets[i]);
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}
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}
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}
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ULocalPlayer* UGUIS_GameUIFunctionLibrary::GetLocalPlayerFromController(APlayerController* PlayerController)
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{
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if (PlayerController)
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{
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return Cast<ULocalPlayer>(PlayerController->Player);
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}
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return nullptr;
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}
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UGUIS_GameUILayout* UGUIS_GameUIFunctionLibrary::GetGameUILayoutForPlayer(const APlayerController* PlayerController)
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{
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if (!IsValid(PlayerController))
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{
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return nullptr;
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}
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if (ULocalPlayer* LocalPlayer = Cast<ULocalPlayer>(PlayerController->GetLocalPlayer()))
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{
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const ULocalPlayer* CommonLocalPlayer = CastChecked<ULocalPlayer>(LocalPlayer);
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if (const UGameInstance* GameInstance = CommonLocalPlayer->GetGameInstance())
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{
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if (UGUIS_GameUISubsystem* UIManager = GameInstance->GetSubsystem<UGUIS_GameUISubsystem>())
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{
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if (const UGUIS_GameUIPolicy* Policy = UIManager->GetCurrentUIPolicy())
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{
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if (UGUIS_GameUILayout* RootLayout = Policy->GetRootLayout(CommonLocalPlayer))
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{
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return RootLayout;
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}
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}
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}
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}
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}
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return nullptr;
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}
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FName UGUIS_GameUIFunctionLibrary::SuspendInputForPlayer(APlayerController* PlayerController, FName SuspendReason)
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{
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return SuspendInputForPlayer(PlayerController ? PlayerController->GetLocalPlayer() : nullptr, SuspendReason);
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}
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FName UGUIS_GameUIFunctionLibrary::SuspendInputForPlayer(ULocalPlayer* LocalPlayer, FName SuspendReason)
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{
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if (UCommonInputSubsystem* CommonInputSubsystem = UCommonInputSubsystem::Get(LocalPlayer))
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{
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InputSuspensions++;
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FName SuspendToken = SuspendReason;
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SuspendToken.SetNumber(InputSuspensions);
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CommonInputSubsystem->SetInputTypeFilter(ECommonInputType::MouseAndKeyboard, SuspendToken, true);
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CommonInputSubsystem->SetInputTypeFilter(ECommonInputType::Gamepad, SuspendToken, true);
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CommonInputSubsystem->SetInputTypeFilter(ECommonInputType::Touch, SuspendToken, true);
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return SuspendToken;
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}
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return NAME_None;
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}
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void UGUIS_GameUIFunctionLibrary::ResumeInputForPlayer(APlayerController* PlayerController, FName SuspendToken)
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{
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ResumeInputForPlayer(PlayerController ? PlayerController->GetLocalPlayer() : nullptr, SuspendToken);
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}
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void UGUIS_GameUIFunctionLibrary::ResumeInputForPlayer(ULocalPlayer* LocalPlayer, FName SuspendToken)
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{
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if (SuspendToken == NAME_None)
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{
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return;
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}
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if (UCommonInputSubsystem* CommonInputSubsystem = UCommonInputSubsystem::Get(LocalPlayer))
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{
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CommonInputSubsystem->SetInputTypeFilter(ECommonInputType::MouseAndKeyboard, SuspendToken, false);
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CommonInputSubsystem->SetInputTypeFilter(ECommonInputType::Gamepad, SuspendToken, false);
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CommonInputSubsystem->SetInputTypeFilter(ECommonInputType::Touch, SuspendToken, false);
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}
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}
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UObject* UGUIS_GameUIFunctionLibrary::GetTypedListItem(TScriptInterface<IUserObjectListEntry> UserObjectListEntry, TSubclassOf<UObject> DesiredClass)
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{
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UUserWidget* EntryWidget = Cast<UUserWidget>(UserObjectListEntry.GetObject());
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if (!IsValid(EntryWidget))
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{
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return nullptr;
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}
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UListView* OwningListView = Cast<UListView>(UUserListEntryLibrary::GetOwningListView(EntryWidget));
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if (!IsValid(OwningListView))
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{
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return nullptr;
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}
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UObject* ListItem = *OwningListView->ItemFromEntryWidget(*EntryWidget);
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if (ListItem->GetClass()->IsChildOf(DesiredClass))
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{
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return ListItem;
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}
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return nullptr;
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}
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bool UGUIS_GameUIFunctionLibrary::GetTypedListItemSafely(TScriptInterface<IUserObjectListEntry> UserObjectListEntry, TSubclassOf<UObject> DesiredClass, UObject*& OutItem)
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{
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OutItem = GetTypedListItem(UserObjectListEntry, DesiredClass);
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return OutItem != nullptr;
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}
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