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98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#include "UnrealEd.h"
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#include "SEditorViewportToolBarButton.h"
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#include "SViewportToolBar.h"
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void SEditorViewportToolBarButton::Construct( const FArguments& Declaration )
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{
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OnClickedDelegate = Declaration._OnClicked;
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IsChecked = Declaration._IsChecked;
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const TSharedRef<SWidget>& ContentSlotWidget = Declaration._Content.Widget;
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bool bContentOverride = ContentSlotWidget != SNullWidget::NullWidget;
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EUserInterfaceActionType::Type ButtonType = Declaration._ButtonType;
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// The style of the image to show in the button
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const FName ImageStyleName = Declaration._Image.Get();
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TSharedPtr<SWidget> ButtonWidget;
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if( ButtonType == EUserInterfaceActionType::Button )
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{
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const FSlateBrush* Brush = FEditorStyle::GetBrush( ImageStyleName );
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ButtonWidget =
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SNew( SButton )
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.ButtonStyle( FEditorStyle::Get(), "EditorViewportToolBar.Button" )
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.OnClicked( OnClickedDelegate )
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.HAlign( HAlign_Center )
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.VAlign( VAlign_Center )
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.ForegroundColor( FSlateColor::UseForeground() )
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[
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// If we have a content override use it instead of the default image
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bContentOverride
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? ContentSlotWidget
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: TSharedRef<SWidget>( SNew( SImage ) .Image( Brush ) )
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];
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}
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else
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{
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// Cache off checked/unchecked image states
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NormalBrush = FEditorStyle::GetBrush( ImageStyleName, ".Normal" );
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CheckedBrush = FEditorStyle::GetBrush( ImageStyleName, ".Checked" );
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if( CheckedBrush->GetResourceName() == FName("Default") )
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{
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// A different checked brush was not specified so use the normal image when checked
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CheckedBrush = NormalBrush;
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}
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ButtonWidget =
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SNew( SCheckBox )
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.Style(FEditorStyle::Get(), "LevelViewportToolBar.CheckBoxButton" )
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.OnCheckStateChanged( this, &SEditorViewportToolBarButton::OnCheckStateChanged )
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.IsChecked( this, &SEditorViewportToolBarButton::OnIsChecked )
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[
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bContentOverride ? ContentSlotWidget :
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TSharedRef<SWidget>(
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SNew( SBox )
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.Padding(1.0f)
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.VAlign( VAlign_Center )
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.HAlign( HAlign_Center )
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[
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SNew( SImage )
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.Image( this, &SEditorViewportToolBarButton::OnGetButtonImage )
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])
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];
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}
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ChildSlot
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[
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ButtonWidget.ToSharedRef()
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];
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}
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void SEditorViewportToolBarButton::OnCheckStateChanged( ECheckBoxState NewCheckedState )
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{
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// When the check state changes (can only happen during clicking in this case) execute our on clicked delegate
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if(OnClickedDelegate.IsBound() == true)
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{
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OnClickedDelegate.Execute();
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}
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}
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const FSlateBrush* SEditorViewportToolBarButton::OnGetButtonImage() const
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{
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return IsChecked.Get() == true ? CheckedBrush : NormalBrush;
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}
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ECheckBoxState SEditorViewportToolBarButton::OnIsChecked() const
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{
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return IsChecked.Get() == true ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
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}
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