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