91 lines
No EOL
2 KiB
C++
91 lines
No EOL
2 KiB
C++
#pragma once
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#include "SpringAnimations.hpp"
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#include "LayoutPolicies.hpp"
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#include "EventHandler.hpp"
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#include "Graphics.hpp"
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#include <vector>
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namespace tp {
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class WidgetManagerInterface;
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class WidgetLayout;
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class Widget {
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friend class RootWidget;
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public:
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Widget();
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virtual ~Widget();
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void addChild(Widget* child);
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void removeChild(Widget* child);
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void bringToFront();
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void bringToBack();
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void setLayout(WidgetLayout* layout);
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WidgetLayout* getLayout();
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protected:
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virtual void process(const EventHandler& events) {}
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virtual void draw(Canvas& canvas) {}
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virtual void drawOverlay(Canvas& canvas) {}
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virtual void endAnimations();
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virtual void updateAnimations();
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[[nodiscard]] virtual bool processesEvents() const;
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[[nodiscard]] virtual bool propagateEventsToChildren() const;
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[[nodiscard]] virtual bool needsNextFrame() const;
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virtual void mouseEnter();
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virtual void mouseLeave();
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protected:
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void setDebug(const char* name, RGBA col);
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WidgetManagerInterface* getRoot();
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void triggerWidgetUpdate(const char* reason = nullptr);
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public:
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[[nodiscard]] RectF getArea() const;
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[[nodiscard]] RectF getAreaT() const;
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[[nodiscard]] const RectF& getAreaCache() const;
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[[nodiscard]] RectF getRelativeArea() const;
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[[nodiscard]] RectF getRelativeAreaT() const;
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[[nodiscard]] RectF getRelativeAreaCache() const;
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void setArea(const RectF& area);
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void setAreaCache(const RectF& area);
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protected:
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friend WidgetLayout;
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Widget* mParent = nullptr;
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std::vector<Widget*> mChildren;
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List<Widget*> mDepthOrder;
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// relative to the parent
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SpringRect mArea;
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RectF mAreaCache;
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WidgetLayout* mLayout = nullptr;
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bool mInFocus = false;
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// debug
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struct {
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std::string id = "widget base";
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RGBA col = { 1, 1, 1, 0.3 };
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std::string triggerReason = "none";
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Vec2F pLocal;
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Vec2F pGlobal;
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} mDebug;
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};
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struct WidgetManagerInterface : public Widget {
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virtual void updateWidget(Widget*, const char* reason) = 0;
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};
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} |