69 lines
3.2 KiB
C++
69 lines
3.2 KiB
C++
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#pragma once
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#include "Widget.hpp"
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namespace PalUIExtension::Api
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{
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// ------------------------------------------------------------------
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// UTextLayoutWidget. One UFUNCTION (SetJustification) and a handful of
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// protected UPROPERTYs.
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//
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// "protected" is a C++ access specifier. It is invisible to reflection:
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// the properties are in the class's FProperty chain either way, and
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// PropertyPtr reaches them fine. Do not read protected as unreachable.
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//
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// AutoWrapText is uint8 : 1 and is therefore NOT exposed as a property
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// read -- see the bitfield note in UnrealWrapper.hpp. UTextBlock has a
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// SetAutoWrapText UFUNCTION; use that.
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// ------------------------------------------------------------------
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class TextLayoutWidget : public Widget
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{
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public:
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static auto ClassPath() -> const TCHAR* { return STR("/Script/UMG.TextLayoutWidget"); }
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static auto DebugTag() -> const TCHAR* { return STR("TextLayoutWidget"); }
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TextLayoutWidget() = default;
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explicit TextLayoutWidget(UObject* Obj)
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: Widget(Obj, ClassOf<TextLayoutWidget>(), DebugTag()) {}
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auto SetJustification(ETextJustify_ InJustification) -> bool
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{
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struct P { ETextJustify_ InJustification; } p{ InJustification };
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return Call(STR("SetJustification"), p);
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}
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// ---- property reads -------------------------------------------------
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auto GetJustification() const -> std::optional<ETextJustify_> { return PropertyValue<ETextJustify_>(STR("Justification")); }
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auto GetWrappingPolicy() const -> std::optional<ETextWrappingPolicy_>{ return PropertyValue<ETextWrappingPolicy_>(STR("WrappingPolicy")); }
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auto GetWrapTextAt() const -> std::optional<float> { return PropertyValue<float>(STR("WrapTextAt")); }
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auto GetLineHeightPercentage()const -> std::optional<float> { return PropertyValue<float>(STR("LineHeightPercentage")); }
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auto GetMargin() const -> std::optional<FMargin_> { return PropertyValue<FMargin_>(STR("Margin")); }
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// ---- property writes ------------------------------------------------
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//
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// These have no UFUNCTION setter, so a direct write is the only
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// option -- and it will NOT reach the Slate widget until something
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// else triggers SynchronizeProperties. Set them before the widget
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// is added to a panel, or accept that they take effect late.
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auto SetWrapTextAt(float Value) -> bool
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{
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if (float* P = PropertyPtr<float>(STR("WrapTextAt"))) { *P = Value; return true; }
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return false;
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}
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auto SetLineHeightPercentage(float Value) -> bool
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{
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if (float* P = PropertyPtr<float>(STR("LineHeightPercentage"))) { *P = Value; return true; }
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return false;
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}
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auto SetMargin(FMargin_ Value) -> bool
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{
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if (FMargin_* P = PropertyPtr<FMargin_>(STR("Margin"))) { *P = Value; return true; }
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return false;
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}
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protected:
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TextLayoutWidget(UObject* Obj, UClass* Expected, const TCHAR* Tag)
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: Widget(Obj, Expected, Tag) {}
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};
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}
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