181 lines
4.6 KiB
C++
181 lines
4.6 KiB
C++
#ifndef STAR_WIDGET_HPP
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#define STAR_WIDGET_HPP
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#include "StarVector.hpp"
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#include "StarCasting.hpp"
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#include "StarInputEvent.hpp"
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#include "StarGuiContext.hpp"
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namespace Star {
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STAR_EXCEPTION(GuiException, StarException);
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STAR_CLASS(Widget);
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STAR_CLASS(Pane);
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enum class KeyboardCaptureMode {
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None,
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KeyEvents,
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TextInput
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};
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typedef function<void(Widget*)> WidgetCallbackFunc;
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class Widget {
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public:
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Widget();
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virtual ~Widget();
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Widget(Widget const& copy) = delete;
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Widget& operator=(Widget const&) = delete;
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virtual void render(RectI const& region) final;
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virtual void update(float dt);
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GuiContext* context() const;
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// Position of widget with drawing offset (useful for drawing)
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virtual Vec2I position() const;
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// Position of widget ignoring offset (useful for moving and placing widgets
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// relative to its current position)
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virtual Vec2I relativePosition() const;
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// Set position of widget, ignoring offset
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virtual void setPosition(Vec2I const& position);
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virtual Vec2I drawingOffset() const;
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virtual void setDrawingOffset(Vec2I const& offset);
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virtual Vec2I size() const;
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virtual void setSize(Vec2I const& size);
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virtual RectI relativeBoundRect() const;
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virtual RectI screenBoundRect() const;
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virtual bool inMember(Vec2I const& position) const;
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virtual bool sendEvent(InputEvent const& event);
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virtual void show();
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virtual void hide();
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virtual void toggleVisibility();
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virtual void setVisibility(bool visibility);
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virtual void mouseOver();
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virtual void mouseOut();
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virtual void mouseReturnStillDown();
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virtual void setMouseTransparent(bool transparent);
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virtual bool mouseTransparent();
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virtual bool active() const;
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virtual bool interactive() const;
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virtual bool hasFocus() const;
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virtual void focus();
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virtual void blur();
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virtual Widget* parent() const;
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virtual void setParent(Widget* parent);
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virtual Pane const* window() const;
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virtual Pane* window();
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virtual void addChild(String const& name, WidgetPtr member);
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virtual void addChildAt(String const& name, WidgetPtr member, size_t at);
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virtual bool removeChild(Widget* member);
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virtual bool removeChild(String const& name);
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virtual bool removeChildAt(size_t at);
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virtual WidgetPtr getChildAt(Vec2I const& pos);
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virtual bool containsChild(String const& name);
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virtual WidgetPtr fetchChild(String const& name);
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template <typename WidgetType>
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shared_ptr<WidgetType> fetchChild(String const& name);
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virtual WidgetPtr findChild(String const& name);
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template <typename WidgetType>
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shared_ptr<WidgetType> findChild(String const& name);
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WidgetPtr childPtr(Widget const* widget) const;
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virtual size_t numChildren() const;
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virtual WidgetPtr getChildNum(size_t num) const;
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template <typename WidgetType>
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shared_ptr<WidgetType> getChildNum(size_t num) const;
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virtual void removeAllChildren();
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virtual String const& name() const;
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virtual void setName(String const& name);
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String fullName() const;
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unsigned windowHeight() const;
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unsigned windowWidth() const;
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Vec2I windowSize() const;
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virtual Vec2I screenPosition() const;
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void disableScissoring();
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void enableScissoring();
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void determineSizeFromChildren();
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void markAsContainer();
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virtual KeyboardCaptureMode keyboardCaptured() const;
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void setData(Json const& data);
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Json const& data();
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bool setLabel(String const& name, String const& value);
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protected:
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friend std::ostream& operator<<(std::ostream& os, Widget const& widget);
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String toStringImpl(int indentLevel) const;
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virtual void renderImpl();
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virtual void drawChildren();
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bool setupDrawRegion(RectI const& region);
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virtual RectI getScissorRect() const;
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virtual RectI noScissor() const;
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Widget* m_parent;
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GuiContext* m_context;
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bool m_visible;
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PolyF m_boundPoly;
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Vec2I m_position;
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Vec2I m_size;
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RectI m_drawingArea;
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Vec2I m_drawingOffset;
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String m_name;
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List<WidgetPtr> m_members;
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StringMap<WidgetPtr> m_memberHash;
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Vec2I m_memberSize;
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bool m_focus;
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bool m_doScissor;
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bool m_container;
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bool m_mouseTransparent;
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Json m_data;
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};
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std::ostream& operator<<(std::ostream& os, Widget const& widget);
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template <typename WidgetType>
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shared_ptr<WidgetType> Widget::getChildNum(size_t num) const {
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return as<WidgetType>(getChildNum(num));
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}
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template <typename WidgetType>
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shared_ptr<WidgetType> Widget::fetchChild(String const& name) {
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return as<WidgetType>(fetchChild(name));
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}
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template <typename WidgetType>
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shared_ptr<WidgetType> Widget::findChild(String const& name) {
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return as<WidgetType>(findChild(name));
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}
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}
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template <> struct fmt::formatter<Star::Widget> : ostream_formatter {};
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#endif
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