70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Input/Reply.h"
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#include "Textures/SlateIcon.h"
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#include "Widgets/SCompoundWidget.h"
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#include "SViewportToolBar.h"
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#include "Framework/SlateDelegates.h"
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class SMenuAnchor;
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/**
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* Custom widget to display an icon/drop down menu.
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* Displayed as shown:
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* +--------+-------------+
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* | Icon Menu button |
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* +--------+-------------+
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*/
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class UNREALED_API SViewportToolBarIconMenu: public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SViewportToolBarIconMenu) {}
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/** We need to know about the toolbar we are in */
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SLATE_ARGUMENT(TSharedPtr<class SViewportToolBar>, ParentToolBar);
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/** Content for the drop down menu */
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SLATE_EVENT(FOnGetContent, OnGetMenuContent)
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/** Icon shown */
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SLATE_ATTRIBUTE(FSlateIcon, Icon)
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/** Label shown on the menu button */
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SLATE_ATTRIBUTE(FText, Label)
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/** Overall style */
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SLATE_ATTRIBUTE(FName, Style)
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SLATE_END_ARGS()
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/**
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* Construct this widget
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*
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* @param InArgs The declaration data for this widget
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*/
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void Construct(const FArguments& InArgs);
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private:
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/**
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* Called when the menu button is clicked. Will toggle the visibility of the menu content
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*/
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FReply OnMenuClicked();
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/**
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* Called when the mouse enters a menu button. If there was a menu previously opened
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* we open this menu automatically
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*/
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void OnMouseEnter(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent);
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private:
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/** Our menus anchor */
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TSharedPtr<SMenuAnchor> MenuAnchor;
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/** Parent tool bar for querying other open menus */
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TWeakPtr<class SViewportToolBar> ParentToolBar;
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};
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