C4GUI::CBContextHandler< CBClass > Class Template Reference

#include <C4Gui.h>

Inheritance diagram for C4GUI::CBContextHandler< CBClass >:

Collaboration diagram for C4GUI::CBContextHandler< CBClass >:

Public Member Functions
	CBContextHandler (CBClass *pCBTarget, typename DlgCallback< CBClass >::ContextFunc pCallbackFn)
bool	OnContext (Element *pOnElement, int32_t iX, int32_t iY) override
C4GUI::ContextMenu *	OnSubcontext (Element *pOnElement) override
void	Ref ()
void	DeRef ()

Friends
class	Dialog

Detailed Description

template<class CBClass>
class C4GUI::CBContextHandler< CBClass >

Definition at line 2738 of file C4Gui.h.

Constructor & Destructor Documentation

CBContextHandler()

template<class CBClass >

C4GUI::CBContextHandler< CBClass >::CBContextHandler ( CBClass *  pCBTarget, typename DlgCallback< CBClass >::ContextFunc  pCallbackFn  )

inline

Definition at line 2742 of file C4Gui.h.

                : ContextHandler(), pCBTarget(pCBTarget), pCallbackFn(pCallbackFn) { }

Member Function Documentation

DeRef()

void C4GUI::ContextHandler::DeRef ( )

inlineinherited

Definition at line 244 of file C4Gui.h.

{ if (!--iRefs) delete this; }

Referenced by C4GUI::Element::SetContextHandler(), and C4GUI::Element::~Element().

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OnContext()

template<class CBClass >

bool C4GUI::CBContextHandler< CBClass >::OnContext ( Element *  pOnElement, int32_t  iX, int32_t  iY  )

inlineoverridevirtual

Implements C4GUI::ContextHandler.

Definition at line 2749 of file C4Gui.h.

        {
            DlgCallback<CBClass>();
            if (!pCBTarget) return false;
            // if (!pCallbackFn) return false;
            Screen *pScreen = pOnElement->GetScreen();
            if (!pScreen) return false;
            // let CB func create context menu
            ContextMenu *pNewMenu = (pCBTarget->*pCallbackFn)(pOnElement, iX, iY);
            if (!pNewMenu) return false;
            // open it on screen
            pScreen->DoContext(pNewMenu, pOnElement, iX, iY);
            // done, success
            return true;
        }

References C4GUI::Screen::DoContext(), and C4GUI::Element::GetScreen().

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OnSubcontext()

template<class CBClass >

C4GUI::ContextMenu* C4GUI::CBContextHandler< CBClass >::OnSubcontext ( Element *  pOnElement )

inlineoverridevirtual

Implements C4GUI::ContextHandler.

Definition at line 2765 of file C4Gui.h.

        {
            // query directly
            return (pCBTarget->*pCallbackFn)(pOnElement, 0, 0);
        }

Ref()

void C4GUI::ContextHandler::Ref ( )

inlineinherited

Definition at line 243 of file C4Gui.h.

{ ++iRefs; }

Referenced by C4GUI::Element::SetContextHandler().

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Friends And Related Function Documentation

Dialog

template<class CBClass >

friend class Dialog

friend

Definition at line 2770 of file C4Gui.h.

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The documentation for this class was generated from the following file:

• C4Gui.h