82 lines
No EOL
1.9 KiB
C++
82 lines
No EOL
1.9 KiB
C++
#pragma once
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#include "Rect.hpp"
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#include <vector>
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namespace tp {
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class Widget;
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enum class SizePolicy {
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Fixed,
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Expanding,
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Minimal,
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};
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enum class LayoutPolicy {
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Passive,
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Vertical,
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Horizontal,
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};
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class WidgetLayout {
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friend class DebugManager;
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friend class LayoutManager;
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public:
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explicit WidgetLayout(Widget* widget) { mWidget = widget; }
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virtual ~WidgetLayout() = default;
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public:
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// picks own position and size
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// modifies only own area
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virtual void pickRect(bool vertical) {}
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// arranges all children layouts inside itself
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// modifies children areas
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virtual void arrangeChildren(bool vertical) {}
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// area that any child can have
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[[nodiscard]] virtual RectF availableChildArea() const;
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// minimal size base on the content of the layout
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[[nodiscard]] virtual RectF minContentArea() const;
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public:
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const Vec2F& getMinSize();
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void setMinSize(const Vec2F& size);
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[[nodiscard]] const Vec2<SizePolicy>& getSizePolicy() const;
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void setSizePolicy(SizePolicy x, SizePolicy y);
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static WidgetLayout* lay(Widget* w);
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public:
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[[nodiscard]] const RectF& getArea() const;
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[[nodiscard]] RectF getAnimatedArea() const;
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void setArea(const RectF& area);
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[[nodiscard]] Widget* parent() const;
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[[nodiscard]] const std::vector<Widget*>& children() const;
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public:
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void clampMinMaxSize();
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void pickMinimalRect(bool dir);
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[[nodiscard]] RangeF pickRange(const RangeF& current, const RangeF& child, const RangeF& parent, bool v) const;
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[[nodiscard]] RangeF clampRange(const RangeF& current, const RangeF& child, const RangeF& parent, bool v) const;
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[[nodiscard]] RectF getChildrenEnclosure() const;
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[[nodiscard]] RectF getParentEnclosure() const;
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private:
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Widget* mWidget = nullptr;
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protected:
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Vec2<SizePolicy> mSizePolicy = { SizePolicy::Fixed, SizePolicy::Fixed };
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Vec2F mMinSize = { 30, 30 };
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Vec2F mMaxSize = { FLT_MAX / 2, FLT_MAX / 2 };
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private:
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// RectF mPrevArea{};
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};
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} |