menu_popup.h

//                                                                             _        //
//    _ __ ___    ___  _ __   _   _        _ __    ___   _ __   _   _  _ __   | |__     //
//   | '_ ` _ \  / _ \| '_ \ | | | |      | '_ \  / _ \ | '_ \ | | | || '_ \  | '_ \    //
//   | | | | | ||  __/| | | || |_| |      | |_) || (_) || |_) || |_| || |_) |_| | | |   //
//   |_| |_| |_| \___||_| |_| \__,_|_____ | .__/  \___/ | .__/  \__,_|| .__/(_)_| |_|   //
//                                 |_____||_|           |_|           |_|               //
//                                                                                      //
//                        generic popup menu implementation                             //
//                                                                                      //

/*****************************************************************************

    X11workbench - X11 programmer's 'work bench' application and toolkit
    Copyright (c) 2010-2019 by Bob Frazier (aka 'Big Bad Bombastic Bob')


  DISCLAIMER:  The X11workbench application and toolkit software are supplied
               'as-is', with no warranties, either implied or explicit.
               Any claims to alleged functionality or features should be
               considered 'preliminary', and might not function as advertised.

  MIT-like license:

  There is no restriction as to what you can do with this software, so long
  as you include the above copyright notice and DISCLAIMER for any distributed
  work that is equal to or derived from this one, along with this paragraph
  that explains the terms of the license if the source is also being made
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  of the source files or algorithms that are included with this one.
  Specifically excluded from this are files that were generated by the software,
  or anything that is included with the software that is part of another package
  (such as files that were created or added during the 'configure' process).
  Specifically included is the use of part or all of any of the X11 workbench
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  Additional information at http://sourceforge.net/projects/X11workbench

******************************************************************************/

#ifndef MENU_POPUP_H_INCLUDED
#define MENU_POPUP_H_INCLUDED

#include "menu_bar.h"

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus


#define MENU_POPUP_WINDOW_TAG (*((const unsigned int *)"MWMP"))

typedef struct tagWBMenuPopupWindow
{
  unsigned int ulTag; 
  Window wSelf;       
  Window wBar;        
  Window wOwner;      

  WBMenu *pMenu;      

  int iX;             
  int iY;             
  int iWidth;         
  int iHeight;        

  int iColumns;       
  int iVisible;       
  int iTop;           
  int iSelected;      
  int iFlags;         

} WBMenuPopupWindow;


WBMenuPopupWindow *MBCreateMenuPopupWindow(Window wIDBar, Window wIDOwner, WBMenu *pMenu,
                                           int iX, int iY, int iFlags);
  // pass 'iX and 'iY' for the menu's origin location.  'pMenu' points to the popup menu and
  // it must contain a list of popup menus that it makes use of.

int MBMenuDoModal(WBMenuPopupWindow *pMenuPopupWindow);

void MBDestroyMenuPopupWindow(WBMenuPopupWindow *pMenuPopupWindow);

WBMenuPopupWindow *MBFindMenuPopupWindow(WBMenu *pSubMenu);  // find first (active) window that uses sub-menu 'pMenu'


static __inline__ WBMenuPopupWindow *MBGetMenuPopupWindowStruct(Window wID)
{
  WBMenuPopupWindow *pRval = (WBMenuPopupWindow *)WBGetWindowData(wID, 0);  // offset 0 for window-specific structs

  if(pRval && pRval->ulTag == MENU_POPUP_WINDOW_TAG)
    return(pRval);

  return(NULL);
}


#ifdef __cplusplus
};
#endif // __cplusplus


#endif // MENU_POPUP_H_INCLUDED