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Diffstat (limited to 'src/LuaWindow.h')
-rw-r--r-- | src/LuaWindow.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/LuaWindow.h b/src/LuaWindow.h deleted file mode 100644 index 4c32c263e..000000000 --- a/src/LuaWindow.h +++ /dev/null @@ -1,95 +0,0 @@ - -// LuaWindow.h - -// Declares the cLuaWindow class representing a virtual window that plugins may create and open for the player - - - - - -#pragma once - -#include "UI/Window.h" -#include "ItemGrid.h" - - - - - -// fwd: PluginLua.h -class cPluginLua; - - - - - -/** A window that has been created by a Lua plugin and is handled entirely by that plugin -This object needs extra care with its lifetime management: -- It is created by Lua, so Lua expects to garbage-collect it later -- normal cWindow objects are deleted in their ClosedByPlayer() function if the last player closes them -To overcome this, this object overloads the Destroy functions, which doesn't let the ClosedByPlayer() -delete the window, but rather leaves it dangling, with only Lua having the reference to it. -Additionally, to forbid Lua from deleting this object while it is used by players, the manual bindings for -cPlayer:OpenWindow check if the window is of this class, and if so, make a global Lua reference for this object. -This reference needs to be unreferenced in the Destroy() function. -*/ -class cLuaWindow : // tolua_export - public cItemGrid::cListener, - // tolua_begin - public cWindow -{ - typedef cWindow super; - -public: - /// Create a window of the specified type, with a slot grid of a_SlotsX * a_SlotsY size - cLuaWindow(cWindow::WindowType a_WindowType, int a_SlotsX, int a_SlotsY, const AString & a_Title); - - virtual ~cLuaWindow(); - - /// Returns the internal representation of the contents that are manipulated by Lua - cItemGrid & GetContents(void) { return m_Contents; } - - // tolua_end - - /** Sets the plugin reference and the internal Lua object reference index - used for preventing Lua's GC to collect this class while the window is open - */ - void SetLuaRef(cPluginLua * a_Plugin, int a_LuaRef); - - /// Returns true if SetLuaRef() has been called - bool IsLuaReferenced(void) const; - - /// Sets the callback function (Lua reference) to call when the window is about to close - void SetOnClosing(cPluginLua * a_Plugin, int a_FnRef); - - /// Sets the callback function (Lua reference) to call when a slot is changed - void SetOnSlotChanged(cPluginLua * a_Plugin, int a_FnRef); - -protected: - /// Contents of the non-inventory part - cItemGrid m_Contents; - - /// The plugin that has opened the window and owns the m_LuaRef - cPluginLua * m_Plugin; - - /// The Lua object reference, used for keeping the object alive as long as any player has the window open - int m_LuaRef; - - /// The Lua reference for the callback to call when the window is closing for any player - int m_OnClosingFnRef; - - /// The Lua reference for the callback to call when a slot has changed - int m_OnSlotChangedFnRef; - - // cWindow overrides: - virtual bool ClosedByPlayer(cPlayer & a_Player, bool a_CanRefuse) override; - virtual void Destroy(void) override; - - // cItemGrid::cListener overrides: - virtual void OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum) override; -} ; // tolua_export - - - - - |