WSModernSpinBox.h

/* 
* Copyright (c) 2021 THEIA INTERACTIVE.  All rights reserved.
*
* Website: https://widgetstudio.design
* Documentation: https://docs.widgetstudio.design
* Support: marketplace@theia.io
* Marketplace FAQ: https://marketplacehelp.epicgames.com
*/
 
#pragma once
 
#include "CoreMinimal.h"
#include "WSModernCard.h"
#include "Components/HorizontalBox.h"
#include "Components/Overlay.h"
#include "Widgets/WSSliderBase.h"
#include "Widgets/Basic/WSIcon.h"
#include "Widgets/Basic/WSText.h"
#include "WSModernSpinBox.generated.h"
 
UCLASS()
class WIDGETSTUDIORUNTIME_API UWidgetStudioModernSpinBox : public UWidgetStudioSliderBase
{
    GENERATED_BODY()
 
protected:
    
    virtual TSharedRef<SWidget> RebuildWidget() override;
    virtual int32 NativePaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const override;
    virtual FReply NativeOnMouseButtonDown(const FGeometry& InGeometry, const FPointerEvent& InMouseEvent) override;
    virtual FReply NativeOnMouseWheel(const FGeometry& InGeometry, const FPointerEvent& InMouseEvent) override;
    virtual void SynchronizeProperties() override;
    virtual void InitializeStyling() override;
    virtual void UpdateStyling() override;
 
    // Tick is being used instead of timers due to an issue where the slate timing gets halted when
    // the left mouse button is pressed.
    // TODO: Find an alternative method that can utilize timers WHEN the left mouse button is being pressed.
    virtual void NativeTick(const FGeometry& MyGeometry, float InDeltaTime) override;
    
    UFUNCTION()
    void OnTextCommitted(const FText& InText, ETextCommit::Type InCommitMethod);
 
    UFUNCTION()
    void UpdateValueOnMouseMovement();
    
    /* Widget Components */
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    USizeBox* SizeBox = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UOverlay* Overlay = nullptr;
    
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UWidgetStudioModernCard* BackgroundIndicator = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UHorizontalBox* HorizontalBox = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UWidgetStudioText* LabelItem = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UOverlay* BackgroundOverlay = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UWidgetStudioModernCard* Background = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UWidgetStudioModernCard* BackgroundFill = nullptr;
    
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UHorizontalBox* ContentHorizontalBox = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UWidgetStudioIcon* ArrowLeft = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UWidgetStudioIcon* ArrowRight = nullptr;
 
    UPROPERTY(BlueprintReadOnly, Category = "Widgets")
    UEditableTextBox* ValueInput = nullptr;
 
    
    /* Internal Properties */
 
    bool bIsPressed = false;
    bool bIsLeftArrowPressed = false;
    bool bIsRightArrowPressed = false;
    
    float InitialMousePos = 0.f;
    float LastMousePos = 0.f;
 
    /* The amount of time the left mouse button has been pressed */
    float PressTime = 0.f;
 
    
    /* Properties */
 
    UPROPERTY(EditAnywhere, Category="Widget Studio")
    FText Label;
 
    UPROPERTY(EditAnywhere, Category="Widget Studio|Input")
    bool bEnableArrowButtons = true;
 
    UPROPERTY(EditAnywhere, Category="Widget Studio|Input")
    bool bEnableMouseWheelInput = true;
 
    UPROPERTY(EditAnywhere, Category="Widget Studio|Input")
    bool bEnableDragInput = true;
    
    UPROPERTY(EditAnywhere, Category="Widget Studio|Color")
    EPalette BackgroundColor = EPalette::PrimaryBackground;
 
    UPROPERTY(EditAnywhere, Category="Widget Studio|Color")
    EPalette ContentColor = EPalette::PrimaryContent;
 
    UPROPERTY(EditAnywhere, Category="Widget Studio|Color")
    EPalette IndicatorColor = EPalette::PrimaryAccent;
 
public:
    
    /* Helpers */
    
    UFUNCTION(BlueprintPure, Category="Widget Studio|Helper")
    FText GetLabel() const;
 
    UFUNCTION(BlueprintPure, Category="Widget Studio|Helper")
    bool AreArrowButtonsEnabled() const;
 
    UFUNCTION(BlueprintPure, Category="Widget Studio|Helper")
    bool IsMouseWheelInputEnabled() const;
 
    UFUNCTION(BlueprintPure, Category="Widget Studio|Helper")
    bool IsDragInputEnabled() const;
    
    UFUNCTION(BlueprintPure, Category="Widget Studio|Helper")
    EPalette GetBackgroundColor() const;
 
    UFUNCTION(BlueprintPure, Category="Widget Studio|Helper")
    EPalette GetContentColor() const;
 
    UFUNCTION(BlueprintPure, Category="Widget Studio|Helper")
    EPalette GetIndicatorColor() const;
 
    /* Modifiers */
 
    UFUNCTION(BlueprintCallable, Category="Widget Studio|Modifier")
    void SetLabelText(const FText NewText);
 
    UFUNCTION(BlueprintCallable, Category="Widget Studio|Modifier")
    void SetArrowButtonsEnabled(const bool bState);
 
    UFUNCTION(BlueprintCallable, Category="Widget Studio|Modifier")
    void SetMouseWheelInputEnabled(const bool bState);
 
    UFUNCTION(BlueprintCallable, Category="Widget Studio|Modifier")
    void SetDragInputEnabled(const bool bState);
 
    UFUNCTION(BlueprintCallable, Category="Widget Studio|Modifier")
    void SetBackgroundColor(const EPalette NewColor);
 
    UFUNCTION(BlueprintCallable, Category="Widget Studio|Modifier")
    void SetContentColor(const EPalette NewColor);
 
    UFUNCTION(BlueprintCallable, Category="Widget Studio|Modifier")
    void SetIndicatorColor(const EPalette NewColor);
 
    /* Overrides */
    virtual void SetValue(float NewValue, bool bBroadcast = true) override;
};