src/gtx/windows.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 /*
  11  * gator_windows.c
  12  *
  13  * Description:
  14  *      Implementation of the gator windows interface.
  15  *
  16  *--------------------------------------------------------------------------------*/
  17
  18 #include <afsconfig.h>
  19 #include <afs/param.h>
  20
  21 #include <roken.h>
  22
  23 /* On DUX "IN" is a variable in curses.h, so this can be a bit of a problem */
  24 #ifdef IN
  25 #undef IN
  26 #endif
  27
  28 #include "gtxwindows.h"         /*Interface for this module */
  29 #include "gtxcurseswin.h"       /*Interface for the curses module */
  30 #include "gtxdumbwin.h"         /*Interface for the dumb terminal module */
  31 #include "gtxX11win.h"          /*Interface for the X11 module */
  32
  33 static char mn[] = "gator_windows";     /*Module name */
  34 struct gwinbaseops gwinbops;    /*Base window operation fn array */
  35 struct gwin gator_basegwin;     /*Base gator window */
  36
  37 /*--------------------------------------------------------------------------------
  38  * gw_init
  39  *
  40  * Description:
  41  *      Initialize the gator window package.
  42  *
  43  * Arguments:
  44  *      struct gwin_initparams *params : Ptr to initialization params.
  45  *
  46  * Returns:
  47  *      0 on success,
  48  *      Error value otherwise.
  49  *
  50  * Environment:
  51  *      *** MUST BE THE FIRST ROUTINE CALLED FROM
  52  *            THIS PACKAGE ***
  53  *
  54  * Side Effects:
  55  *      Sets up the chosen lower-level graphics package, as well
  56  *      as the base operation array (gwinbops).  Also sets up the
  57  *      base window.
  58  *--------------------------------------------------------------------------------*/
  59
  60 int
  61 gw_init(struct gwin_initparams *params)
  62 {                               /*gw_init */
  63
  64     static char rn[] = "gw_init";       /*Routine name */
  65     int code;           /*Return code */
  66     int gwin_debug;             /*Is debugging turned on? */
  67
  68     /*
  69      * Remember our debugging level.
  70      */
  71     gwin_debug = params->i_debug;
  72     if (gwin_debug)
  73         fprintf(stderr, "[%s:%s] Window debugging turned on\n", mn, rn);
  74
  75     /*
  76      * What we do/call depends on the type of lower-level graphics
  77      * package we'll be using.
  78      */
  79     switch (params->i_type) {
  80     case GATOR_WIN_DUMB:        /*Dumb terminal */
  81         if (gwin_debug)
  82             fprintf(stderr,
  83                     "[%s:%s] Initializing for the dumb terminal package\n",
  84                     mn, rn);
  85         gwinbops = gator_dumb_gwinbops;
  86         code = gator_dumbgwin_init(gwin_debug);
  87         if (code) {
  88             fprintf(stderr,
  89                     "[%s:%s] Error in dumb terminal initialization routine, gator_dumbgwin_init(): %d\n",
  90                     mn, rn, code);
  91             return (code);
  92         }
  93         break;
  94
  95     case GATOR_WIN_CURSES:      /*Curses */
  96         if (gwin_debug)
  97             fprintf(stderr, "[%s:%s] Initializing for the curses package\n",
  98                     mn, rn);
  99         gwinbops = gator_curses_gwinbops;
 100         code = gator_cursesgwin_init(gwin_debug);
 101         if (code) {
 102             fprintf(stderr,
 103                     "[%s:%s] Error in curses initialization routine, gator_cursesgwin_init(): %d\n",
 104                     mn, rn, code);
 105             return (code);
 106         }
 107         break;
 108
 109     case GATOR_WIN_X11: /*X11 */
 110         if (gwin_debug)
 111             fprintf(stderr, "[%s:%s] Initializing for the X11 package\n", mn,
 112                     rn);
 113         gwinbops = gator_X11_gwinbops;
 114         code = gator_X11gwin_init(gwin_debug);
 115         if (code) {
 116             fprintf(stderr,
 117                     "[%s:%s] Error in X11 initialization routine, gator_X11gwin_init(): %d\n",
 118                     mn, rn, code);
 119             return (code);
 120         }
 121         break;
 122
 123     default:
 124         fprintf(stderr, "[%s:%s] Illegal choice of graphics system: %d\n", mn,
 125                 rn, params->i_type);
 126         fprintf(stderr, "\tLegal choices are:\n");
 127         fprintf(stderr, "\t\t%d: Dumb terminal\n", GATOR_WIN_DUMB);
 128         fprintf(stderr, "\t\t%d: Curses\n", GATOR_WIN_CURSES);
 129         fprintf(stderr, "\t\t%d: X11\n", GATOR_WIN_X11);
 130         return (-1);
 131     }                           /*end switch (params->i_type) */
 132
 133     /*
 134      * Finally, return the good news.
 135      */
 136     return (0);
 137
 138 }                               /*gw_init */