talezero/integration
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Widget reparenting done.

Browse Source
This commit is contained in:
jyelon
2026-03-23 17:29:48 -04:00
parent 5657d76ed6
commit 2bc06f3b02
5 changed files with 187 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
Plugins/UEWingman/Source/UEWingman/Handlers/Widget_Create.h
View File

@@ -80,17 +80,8 @@ public:
{
UWidget* ParentWidget = WingUtils::FindExactlyOneNamed(Parent, AllWidgets, TEXT("Widget"));
if (!ParentWidget) return;
if (!WingWidgets::CheckCanBeParent(ParentWidget)) return;
ParentPanel = Cast<UPanelWidget>(ParentWidget);
if (!ParentPanel)
{
UWingServer::Printf(TEXT("ERROR: '%s' is not a panel widget and cannot have children\n"), *Parent);
return;
}
if (!ParentPanel->CanAddMoreChildren())
{
UWingServer::Printf(TEXT("ERROR: '%s' already has a child and cannot accept more\n"), *Parent);
return;
}
}
else
{

85
Plugins/UEWingman/Source/UEWingman/Handlers/Widget_Delete.h Normal file
View File

@@ -0,0 +1,85 @@
#pragma once
#include "CoreMinimal.h"
#include "WingServer.h"
#include "WingHandler.h"
#include "WingFetcher.h"
#include "WingUtils.h"
#include "WidgetBlueprint.h"
#include "Blueprint/WidgetTree.h"
#include "Components/PanelWidget.h"
#include "Kismet2/BlueprintEditorUtils.h"
#include "Widget_Delete.generated.h"
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
UCLASS()
class UWing_Widget_Delete : public UObject, public IWingHandler
{
GENERATED_BODY()
public:
UPROPERTY(meta=(Description="Path to the widget, eg /Game/Widgets/WB_Test,widget:MyButton"))
FString Widget;
virtual FString GetDescription() const override
{
return TEXT("Delete a widget from a Widget Blueprint's widget tree. "
"The widget must not have any children.");
}
virtual void Handle() override
{
// Walk to the widget.
WingFetcher F;
UWidget* TargetWidget = F.Walk(Widget).Cast<UWidget>();
if (!TargetWidget) return;
// Get the widget blueprint and tree from the widget's outer chain.
UWidgetBlueprint* BP = TargetWidget->GetTypedOuter<UWidgetBlueprint>();
if (!BP)
{
UWingServer::Printf(TEXT("ERROR: Could not find owning WidgetBlueprint\n"));
return;
}
UWidgetTree* Tree = BP->WidgetTree;
// If it's a panel, make sure it has no children.
if (UPanelWidget* Panel = Cast<UPanelWidget>(TargetWidget))
{
if (Panel->GetChildrenCount() > 0)
{
UWingServer::Printf(TEXT("ERROR: Widget '%s' has %d children. Remove them first.\n"),
*WingUtils::FormatName(TargetWidget), Panel->GetChildrenCount());
return;
}
}
FString WidgetName = WingUtils::FormatName(TargetWidget);
// Remove delegate bindings that reference this widget.
FString WidgetObjName = TargetWidget->GetName();
for (int32 i = BP->Bindings.Num() - 1; i >= 0; i--)
{
if (BP->Bindings[i].ObjectName == WidgetObjName)
BP->Bindings.RemoveAt(i);
}
// Remove the widget from the tree.
Tree->RemoveWidget(TargetWidget);
// Remove variable nodes from the blueprint graph if this was a variable.
if (TargetWidget->bIsVariable)
{
FBlueprintEditorUtils::RemoveVariableNodes(BP, TargetWidget->GetFName());
}
// Rename to transient package to avoid name conflicts with future widgets.
TargetWidget->Rename(nullptr, GetTransientPackage());
UWingServer::Printf(TEXT("Deleted widget '%s'\n"), *WidgetName);
}
};

82
Plugins/UEWingman/Source/UEWingman/Handlers/Widget_Reparent.h Normal file
View File

@@ -0,0 +1,82 @@
#pragma once
#include "CoreMinimal.h"
#include "WingServer.h"
#include "WingHandler.h"
#include "WingFetcher.h"
#include "WingUtils.h"
#include "WingWidgets.h"
#include "WidgetBlueprint.h"
#include "Blueprint/WidgetTree.h"
#include "Components/PanelWidget.h"
#include "Widget_Reparent.generated.h"
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
UCLASS()
class UWing_Widget_Reparent : public UObject, public IWingHandler
{
GENERATED_BODY()
public:
UPROPERTY(meta=(Description="Path to the widget, eg /Game/Widgets/WB_Test,widget:MyButton"))
FString Widget;
UPROPERTY(meta=(Description="Name of the new parent widget. Must be a panel."))
FString Parent;
virtual FString GetDescription() const override
{
return TEXT("Move a widget to a different parent in a Widget Blueprint's widget tree.");
}
virtual void Handle() override
{
// Walk to the widget.
WingFetcher F;
UWidget* TargetWidget = F.Walk(Widget).Cast<UWidget>();
if (!TargetWidget) return;
// Get the widget blueprint from the widget's outer chain.
UWidgetBlueprint* BP = TargetWidget->GetTypedOuter<UWidgetBlueprint>();
if (!BP)
{
UWingServer::Printf(TEXT("ERROR: Could not find owning WidgetBlueprint\n"));
return;
}
UWidgetTree* Tree = BP->WidgetTree;
// Get all widgets for name lookup.
TArray<UWidget*> AllWidgets;
Tree->GetAllWidgets(AllWidgets);
FString WidgetName = WingUtils::FormatName(TargetWidget);
// Find the new parent and verify it's a panel with room.
UWidget* ParentWidget = WingUtils::FindExactlyOneNamed(Parent, AllWidgets, TEXT("Widget"));
if (!ParentWidget) return;
if (!WingWidgets::CheckCanBeParent(ParentWidget)) return;
UPanelWidget* ParentPanel = Cast<UPanelWidget>(ParentWidget);
// Check for circular reparenting.
for (UPanelWidget* Ancestor = ParentPanel; Ancestor != nullptr; Ancestor = Ancestor->GetParent())
{
if (Ancestor == TargetWidget)
{
UWingServer::Printf(TEXT("ERROR: Cannot reparent '%s' under itself\n"), *WidgetName);
return;
}
}
// Remove from current location.
Tree->RemoveWidget(TargetWidget);
// Add to new parent.
ParentPanel->AddChild(TargetWidget);
UWingServer::Printf(TEXT("Reparented '%s' under '%s'\n"), *WidgetName, *Parent);
}
};

16
Plugins/UEWingman/Source/UEWingman/Private/WingWidgets.cpp
View File

@@ -90,6 +90,22 @@ TArray<WingWidgets::Type> WingWidgets::Search(const FString& Query, int32 MaxRes
return Results;
}
bool WingWidgets::CheckCanBeParent(UWidget* Widget)
{
UPanelWidget* Panel = Cast<UPanelWidget>(Widget);
if (!Panel)
{
UWingServer::Printf(TEXT("ERROR: '%s' is not a panel widget and cannot have children\n"), *WingUtils::FormatName(Widget));
return false;
}
if (!Panel->CanAddMoreChildren())
{
UWingServer::Printf(TEXT("ERROR: '%s' already has a child and cannot accept more\n"), *WingUtils::FormatName(Widget));
return false;
}
return true;
}
void WingWidgets::PrintWidgetTree(UWidget* Widget, int32 Depth)
{
FString Indent = FString::ChrN(Depth * 2, TEXT(' '));

3
Plugins/UEWingman/Source/UEWingman/Public/WingWidgets.h
View File

@@ -24,6 +24,9 @@ public:
// Search for widget types whose name matches the query.
TArray<Type> Search(const FString& Query, int32 MaxResults, bool Exact);
// Check if a widget can accept children. Prints error if not.
static bool CheckCanBeParent(UWidget* Widget);
// Print out a tree of widgets, just showing the names and types.
static void PrintWidgetTree(UWidget* Widget, int32 Depth);