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#jira UE-142446 #rnx #lockdown jeanmichel.dignard #preflight 620fc572cc18880e8bb49b91 #ROBOMERGE-AUTHOR: vincent.gauthier #ROBOMERGE-SOURCE: CL 19081800 in //UE5/Release-5.0/... via CL 19096965 #ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v921-19075845) [CL 19140611 by vincent gauthier in ue5-main branch]
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "DragDrop/SelectedWidgetDragDropOp.h"
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#include "WidgetTemplate.h"
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#include "WidgetBlueprintEditor.h"
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#include "Components/PanelWidget.h"
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#include "WidgetBlueprintEditorUtils.h"
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#define LOCTEXT_NAMESPACE "UMG"
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FSelectedWidgetDragDropOp::~FSelectedWidgetDragDropOp()
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{
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if (bShowingMessage)
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{
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Designer->PopDesignerMessage();
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}
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}
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TSharedRef<FSelectedWidgetDragDropOp> FSelectedWidgetDragDropOp::New(TSharedPtr<FWidgetBlueprintEditor> Editor, IUMGDesigner* InDesigner, const TArray<FDraggingWidgetReference>& InWidgets)
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{
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TSharedRef<FSelectedWidgetDragDropOp> Operation = MakeShareable(new FSelectedWidgetDragDropOp());
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Operation->bShowingMessage = false;
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Operation->Designer = InDesigner;
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for (const FDraggingWidgetReference& InDraggedWidget : InWidgets)
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{
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FItem DraggedWidget;
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DraggedWidget.bStayingInParent = false;
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if (UPanelWidget* PanelTemplate = InDraggedWidget.Widget.GetTemplate()->GetParent())
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{
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DraggedWidget.ParentWidget = Editor->GetReferenceFromTemplate(PanelTemplate);
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DraggedWidget.bStayingInParent = PanelTemplate->LockToPanelOnDrag() || GetDefault<UWidgetDesignerSettings>()->bLockToPanelOnDragByDefault;
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if (DraggedWidget.bStayingInParent)
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{
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Operation->bShowingMessage = true;
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}
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}
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// Cache the preview and template, it's not safe to query the preview/template while dragging the widget as it no longer
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// exists in the tree.
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DraggedWidget.Preview = InDraggedWidget.Widget.GetPreview();
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DraggedWidget.Template = InDraggedWidget.Widget.GetTemplate();
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DraggedWidget.DraggedOffset = InDraggedWidget.DraggedOffset;
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FWidgetBlueprintEditorUtils::ExportPropertiesToText(InDraggedWidget.Widget.GetTemplate()->Slot, DraggedWidget.ExportedSlotProperties);
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Operation->DraggedWidgets.Add(DraggedWidget);
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}
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// Set the display text based on whether we're dragging a single or multiple widgets
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if (InWidgets.Num() == 1)
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{
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FText DisplayText = InWidgets[0].Widget.GetTemplate()->GetLabelText();
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Operation->DefaultHoverText = DisplayText;
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Operation->CurrentHoverText = DisplayText;
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}
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else
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{
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Operation->CurrentHoverText = Operation->DefaultHoverText = LOCTEXT("DragMultipleWidgets", "Multiple Widgets");
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}
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if (Operation->bShowingMessage)
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{
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InDesigner->PushDesignerMessage(LOCTEXT("PressAltToMoveFromParent", "Press [Alt] to move the widget out of the current parent"));
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}
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Operation->Construct();
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return Operation;
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}
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#undef LOCTEXT_NAMESPACE
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