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99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
#ifndef OPENMW_LUAUI_WIDGET
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#define OPENMW_LUAUI_WIDGET
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#include <map>
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#include <MyGUI_Widget.h>
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#include <sol/sol.hpp>
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#include <components/lua/scriptscontainer.hpp>
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#include "properties.hpp"
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namespace LuaUi
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{
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/*
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* extends MyGUI::Widget and its child classes
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* memory ownership is controlled by MyGUI
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* it is important not to call any WidgetExtension methods after destroying the MyGUI::Widget
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*/
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class WidgetExtension
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{
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public:
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WidgetExtension();
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// must be called after creating the underlying MyGUI::Widget
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void create(lua_State* lua, MyGUI::Widget* self);
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// must be called after before destroying the underlying MyGUI::Widget
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void destroy();
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void addChild(WidgetExtension* ext);
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WidgetExtension* childAt(size_t index) const;
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void assignChild(size_t index, WidgetExtension* ext);
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WidgetExtension* eraseChild(size_t index);
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size_t childCount() const { return mContent.size(); }
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MyGUI::Widget* widget() const { return mWidget; }
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void setCallback(const std::string&, const LuaUtil::Callback&);
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void clearCallbacks();
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virtual void setProperties(sol::object);
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MyGUI::IntCoord forcedCoord();
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void setForcedCoord(const MyGUI::IntCoord& offset);
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void updateCoord();
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void setLayout(const sol::table& layout) { mLayout = layout; }
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protected:
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sol::table makeTable() const;
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sol::object keyEvent(MyGUI::KeyCode) const;
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sol::object mouseEvent(int left, int top, MyGUI::MouseButton button) const;
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virtual void initialize();
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virtual void deinitialize();
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virtual MyGUI::IntSize calculateSize();
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virtual MyGUI::IntPoint calculatePosition(const MyGUI::IntSize& size);
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MyGUI::IntCoord calculateCoord();
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void triggerEvent(std::string_view name, const sol::object& argument) const;
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// offsets the position and size, used only in C++ widget code
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MyGUI::IntCoord mForcedCoord;
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// position and size in pixels
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MyGUI::IntCoord mAbsoluteCoord;
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// position and size as a ratio of parent size
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MyGUI::FloatCoord mRelativeCoord;
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// negative position offset as a ratio of this widget's size
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// used in combination with relative coord to align the widget, e. g. center it
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MyGUI::FloatSize mAnchor;
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private:
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// use lua_State* instead of sol::state_view because MyGUI requires a default constructor
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lua_State* mLua;
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MyGUI::Widget* mWidget;
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std::vector<WidgetExtension*> mContent;
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std::map<std::string, LuaUtil::Callback, std::less<>> mCallbacks;
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sol::table mLayout;
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void updateChildrenCoord(MyGUI::Widget*);
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void keyPress(MyGUI::Widget*, MyGUI::KeyCode, MyGUI::Char);
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void keyRelease(MyGUI::Widget*, MyGUI::KeyCode);
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void mouseMove(MyGUI::Widget*, int, int);
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void mouseDrag(MyGUI::Widget*, int, int, MyGUI::MouseButton);
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void mouseClick(MyGUI::Widget*);
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void mouseDoubleClick(MyGUI::Widget*);
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void mousePress(MyGUI::Widget*, int, int, MyGUI::MouseButton);
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void mouseRelease(MyGUI::Widget*, int, int, MyGUI::MouseButton);
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void focusGain(MyGUI::Widget*, MyGUI::Widget*);
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void focusLoss(MyGUI::Widget*, MyGUI::Widget*);
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};
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class LuaWidget : public MyGUI::Widget, public WidgetExtension
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{
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MYGUI_RTTI_DERIVED(LuaWidget)
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};
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}
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#endif // !OPENMW_LUAUI_WIDGET
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