//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
//
// Purpose: Interface for dealing with vgui focus issues across all plugins
//
// $NoKeywords: $
//===========================================================================//

#ifndef IMAYAVGUI_H
#define IMAYAVGUI_H

#ifdef _WIN32
#pragma once
#endif

#include "appframework/iappsystem.h"
#include "tier0/platform.h"
#include "vgui_controls/Frame.h"

//-----------------------------------------------------------------------------
// Forward declarations
//-----------------------------------------------------------------------------
namespace vgui {
class EditablePanel;
}

class CVsVGuiWindowBase;

//-----------------------------------------------------------------------------
// Factory for creating vgui windows
//-----------------------------------------------------------------------------
abstract_class IMayaVguiWindowFactory {
   public:
    virtual void CreateVguiWindow(const char *pPanelName) = 0;
    virtual void DestroyVguiWindow(const char *pPanelName) = 0;
    virtual vgui::Frame *GetVGuiPanel(const char *pPanelName = NULL) = 0;
    virtual CVsVGuiWindowBase *GetVGuiWindow(const char *pPanelName = NULL) = 0;
};

//-----------------------------------------------------------------------------
// Interface for dealing with vgui focus issues across all plugins
//-----------------------------------------------------------------------------
#define MAYA_VGUI_INTERFACE_VERSION "VMayaVGui001"
abstract_class IMayaVGui : public IAppSystem {
   public:
    virtual void InstallVguiWindowFactory(const char *pWindowTypeName,
                                          IMayaVguiWindowFactory *pFactory) = 0;
    virtual void RemoveVguiWindowFactory(const char *pWindowTypeName,
                                         IMayaVguiWindowFactory *pFactory) = 0;
    virtual void SetFocus(void *hWnd, int hVGuiContext) = 0;
    virtual bool HasFocus(void *hWnd) = 0;

    // In this mode, maya's in a strange re-entrant mode waiting for a modal
    // dialog We still get WM_PAINT messages, but we're in the middle of a
    // callstack deep in the bowels of VGUI
    virtual void SetModalMode(bool bEnable) = 0;
    virtual bool IsInModalMode() const = 0;
};

extern IMayaVGui *g_pMayaVGui;

#endif  // IMAYAVGUI_H