137 lines
4.8 KiB
C++
137 lines
4.8 KiB
C++
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Dialogs/CustomDialog.h"
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#include "HAL/PlatformApplicationMisc.h"
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#include "EditorStyleSet.h"
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#include "Framework/Application/SlateApplication.h"
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#include "Framework/Docking/TabManager.h"
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#include "Logging/LogMacros.h"
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#include "Styling/SlateBrush.h"
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#include "Widgets/Images/SImage.h"
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#include "Widgets/Input/SButton.h"
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#include "Widgets/Text/STextBlock.h"
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#include "Widgets/Layout/SSpacer.h"
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#include "Widgets/Layout/SBox.h"
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#include "Widgets/Layout/SScrollBox.h"
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#include "Widgets/Layout/SUniformGridPanel.h"
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#include "Widgets/SBoxPanel.h"
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DEFINE_LOG_CATEGORY_STATIC(LogCustomDialog, Log, All);
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void SCustomDialog::Construct(const FArguments& InArgs)
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{
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UE_LOG(LogCustomDialog, Log, TEXT("Dialog displayed:"), *InArgs._Title.ToString());
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check(InArgs._Buttons.Num() > 0);
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OnClosed = InArgs._OnClosed;
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TSharedPtr<SHorizontalBox> ContentBox;
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TSharedPtr<SHorizontalBox> ButtonBox;
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SWindow::Construct(SWindow::FArguments()
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.Title(InArgs._Title)
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.SizingRule(ESizingRule::Autosized)
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.SupportsMaximize(false)
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.SupportsMinimize(false)
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[SNew(SBorder)
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.Padding(4.f)
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.BorderImage(FEditorStyle::GetBrush("ToolPanel.GroupBorder"))
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[SNew(SVerticalBox) + SVerticalBox::Slot().FillHeight(1.0f)[SAssignNew(ContentBox, SHorizontalBox)] + SVerticalBox::Slot().VAlign(VAlign_Center).AutoHeight()[SAssignNew(ButtonBox, SHorizontalBox)]]]);
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if (InArgs._IconBrush.IsValid())
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{
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const FSlateBrush* ImageBrush = FEditorStyle::GetBrush(InArgs._IconBrush);
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if (ImageBrush != nullptr)
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{
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ContentBox->AddSlot()
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.AutoWidth()
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.VAlign(VAlign_Center)
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.HAlign(HAlign_Left)
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.Padding(0, 0, 8, 0)
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[SNew(SImage)
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.Image(ImageBrush)];
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}
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}
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if (InArgs._UseScrollBox)
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{
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ContentBox->AddSlot()
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[SNew(SBox)
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.MaxDesiredHeight(InArgs._ScrollBoxMaxHeight)
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[SNew(SScrollBox) + SScrollBox::Slot()
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[InArgs._DialogContent.ToSharedRef()]]];
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}
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else
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{
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ContentBox->AddSlot()
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.FillWidth(1.0f)
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.VAlign(VAlign_Center)
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.HAlign(HAlign_Left)
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[InArgs._DialogContent.ToSharedRef()];
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}
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ButtonBox->AddSlot()
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.AutoWidth()
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[SNew(SSpacer)
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.Size(FVector2D(20.0f, 1.0f))];
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TSharedPtr<SUniformGridPanel> ButtonPanel;
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ButtonBox->AddSlot()
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.FillWidth(1.0f)
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.VAlign(VAlign_Center)
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.HAlign(HAlign_Right)
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[SAssignNew(ButtonPanel, SUniformGridPanel)
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.SlotPadding(FEditorStyle::GetMargin("StandardDialog.SlotPadding"))
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.MinDesiredSlotWidth(FEditorStyle::GetFloat("StandardDialog.MinDesiredSlotWidth"))
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.MinDesiredSlotHeight(FEditorStyle::GetFloat("StandardDialog.MinDesiredSlotHeight"))];
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for (int32 i = 0; i < InArgs._Buttons.Num(); ++i)
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{
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const FButton& Button = InArgs._Buttons[i];
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ButtonPanel->AddSlot(ButtonPanel->GetChildren()->Num(), 0)
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[SNew(SButton)
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.OnClicked(FOnClicked::CreateSP(this, &SCustomDialog::OnButtonClicked, Button.OnClicked, i))
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[SNew(SHorizontalBox) + SHorizontalBox::Slot()
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.VAlign(VAlign_Center)
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.HAlign(HAlign_Center)
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[SNew(STextBlock)
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.Text(Button.ButtonText)]]];
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}
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}
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int32 SCustomDialog::ShowModal()
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{
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FSlateApplication::Get().AddModalWindow(StaticCastSharedRef<SWindow>(this->AsShared()), FGlobalTabmanager::Get()->GetRootWindow());
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return LastPressedButton;
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}
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void SCustomDialog::Show()
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{
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TSharedRef<SWindow> Window = FSlateApplication::Get().AddWindow(StaticCastSharedRef<SWindow>(this->AsShared()), true);
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if (OnClosed.IsBound())
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{
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Window->GetOnWindowClosedEvent().AddLambda([this](const TSharedRef<SWindow>& Window)
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{
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OnClosed.Execute();
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});
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}
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}
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/** Handle the button being clicked */
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FReply SCustomDialog::OnButtonClicked(FSimpleDelegate OnClicked, int32 ButtonIndex)
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{
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LastPressedButton = ButtonIndex;
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FSlateApplication::Get().RequestDestroyWindow(StaticCastSharedRef<SWindow>(this->AsShared()));
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OnClicked.ExecuteIfBound();
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return FReply::Handled();
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}
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