listing_11_5.c

This source code has been tested under OpenWindows 2.0, Sun s X11/NeWS server. For Xlib programs th

/***********************************************************************
**                                                                    **
**  listing_11_5.c                                                    **
**                                                                    **
**  Sample program template for non-trivial programs.                 **
**                                                                    **
***********************************************************************/


#include <Xm/MainW.h>


/***********************************************************************
**                                                                    **
**               F O R W A R D   D E F I N I T I O N S                **
**                                                                    **
***********************************************************************/

void    InitMainWindow();
void    InitMenuBar();
void    InitWorkWindow();
void	InitOther();



/***********************************************************************
**                                                                    **
**                   G L O B A L   V A R I A B L E S                  **
**                                                                    **
***********************************************************************/

Widget	appshell,			/* Application Shell          */
	mainwin,			/* XmMainWindow		      */
	menubar,			/* MainWindow Menu Bar	      */
	workwin,			/* MainWindow Work Area       */
	horzscroll,			/* MainWindow Horizontal Scrl */
	vertscroll;			/* MainWindow Vertical Scroll */
Arg	arglist[16];			/* For programmatic rsrc stuf */



/***********************************************************************
**                                                                    **
**  main( argc, argv )                                                **
**                                                                    **
**  Program entry point. Creates shell, calls initialization funcs,   **
**  and turns control over to event loop.                             **
**                                                                    **
***********************************************************************/

void	main( argc, argv )
    int     argc;
    char    *argv[];
{
    appshell = XtInitialize( argv[0], "Listing_11_5", NULL, 0, &argc, argv );

    InitMainWindow();
    InitMenuBar();
    InitWorkWindow();

    XmMainWindowSetAreas( mainwin, menubar, NULL, 
                                   horzscroll, vertscroll, workwin );

    InitOther();

    XtRealizeWidget( appshell );
    XtMainLoop();
}


/***********************************************************************
**                                                                    **
**  InitMainWindow()                                                  **
**                                                                    **
**  This function creates the main window widget and its scrollbars.  **
**  The main window is created as a child of the application shell.   **
**  The scrollbars are either created along with the main-window (if  **
**  its "scrollingPolicy" resource contains TRUE) or separately.      **
**                                                                    **
**  This function modifies the globals "mainwin", "horzscroll", and   **
**  "vertscroll". It accesses "appshell".                             **
**                                                                    **
***********************************************************************/

void	InitMainWindow()
{
    mainwin = XmCreateMainWindow( appshell, "MainWin", NULL, 0 );
    XtManageChild( mainwin );

/** Use this code to create scrollbars separately
    horzscroll = XmCreateScrollBar( mainwin, "HScroll", NULL,  0 );
    XtManageChild( horzscroll );
    vertscroll = XmCreateScrollBar( mainwin, "VScroll", NULL,  0 );
    XtManageChild( vertscroll );
**/

/** Use this code to access automatically-created scrollbars
    XtSetValues( arglist[0], XmNhorizontalScrollBar, &horzscroll );
    XtSetValues( arglist[1], XmNverticalScrollBar,   &vertscroll );
    XtGetValues( mainwin, arglist, 2 );
**/
}


/***********************************************************************
**                                                                    **
**  InitMenuBar()                                                     **
**                                                                    **
**  This function creates the menu bar and all pulldown menus. The    **
**  menu bar is created as the child of the main window.              **
**                                                                    **
**  This function modifies the global "menubar", and accesses the     **
**  global "mainwin".                                                 **
**                                                                    **
***********************************************************************/

void	InitMenuBar()
{
}


/***********************************************************************
**                                                                    **
**  InitWorkWindow()                                                  **
**                                                                    **
**  This function creates the work window and its children. The       **
**  work window is created as the child of the main window.           **
**                                                                    **
**  This function modifies the global "workwin", and accesses the     **
**  global "mainwin".                                                 **
**                                                                    **
***********************************************************************/

void	InitWorkWindow()
{
}


/***********************************************************************
**                                                                    **
**  InitOther()                                                       **
**                                                                    **
**  This function performs other program initialization, such as      **
**  loading any default data.                                         **
**                                                                    **
***********************************************************************/

void	InitOther()
{
}