wmmisc/src/dockapp_main.c

   1 /*
   2  *  wmmisc - WindowMaker Dockapp for monitoring misc. information.
   3  *  Copyright (C) 2003-2006 Jesse S. (luxorfalls@sbcglobal.net)
   4  *
   5  *  wmmisc is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  wmmisc is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with wmmisc; if not, write to the Free Software
  17  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  */
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24 #include <bits/getopt_core.h>
  25 #include <signal.h>
  26
  27 #ifdef USE_MTRACE
  28 #include <mcheck.h>
  29 #endif /* USE_MTRACE */
  30
  31 #include <libdockapp/wmgeneral.h>
  32
  33 #include "wmmisc-master.xpm"
  34 #include "dockapp_main.h"
  35 #include "dockapp_draw.h"
  36
  37 void
  38 dockapp_show_help( const char* wm_name )
  39 {
  40    printf( "Usage: %s [OPTION]...\n", wm_name );
  41    printf( "This is a simple WindowMaker 'DockApp' that will monitor the following:\n" );
  42    printf( "Number of users logged in, total processes, total number of processes running,\n" );
  43    printf( "the system's fork count and load average.\n\n" );
  44    printf( "                -h       display this help and exit\n" );
  45    printf( "                -v       output version information and exit\n\n" );
  46    printf( "Report bugs to <" PACKAGE_BUGREPORT ">.\n" );
  47 }
  48
  49 void
  50 dockapp_show_version( void )
  51 {
  52    printf( "%s\n", PACKAGE_STRING);
  53    printf( "Written by %s <%s>\n\n", DOCKAPP_AUTHOR, DOCKAPP_AUTHOR_EMAIL );
  54    printf( "Copyright (C) 2003-2006 %s\n", DOCKAPP_AUTHOR );
  55    printf( "This is free software; see the source for copying conditions.  There is NO\n" );
  56    printf( "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n" );
  57 }
  58
  59 void
  60 dockapp_exit( int signal_received )
  61 {
  62 #ifdef USE_MTRACE
  63    muntrace();
  64 #endif /* USE_MTRACE */
  65
  66 #ifdef DEBUG
  67    fprintf( stderr,
  68             "%s: Exiting cleanly with signal %d\n",
  69             DOCKAPP_NAME,
  70             signal_received );
  71 #endif /* DEBUG */
  72
  73    exit( 0 );
  74 }
  75
  76 void
  77 dockapp_crash( int signal_received )
  78 {
  79    fprintf( stderr,
  80             "%s: got signal %d -- bailing out!\n",
  81             DOCKAPP_NAME,
  82             signal_received );
  83    fprintf( stderr,
  84             "It appears that %s has encountered an error.\n",
  85             DOCKAPP_NAME );
  86    fprintf( stderr,
  87             "If this continues to happen, please run '%s core' from a debugger,\n",
  88             DOCKAPP_NAME );
  89    fprintf( stderr,
  90             "such as gdb, and report the output to <%s>.\n",
  91             PACKAGE_BUGREPORT );
  92
  93    abort();
  94 }
  95
  96 int
  97 main( int argc, char** argv )
  98 {
  99    int opt = 0;
 100
 101 #ifdef USE_MTRACE
 102    mtrace();
 103 #endif /* USE_MTRACE */
 104
 105    signal( SIGINT, dockapp_exit );
 106    signal( SIGSEGV, dockapp_crash );
 107
 108    opt = getopt( argc, argv, "hv" );
 109
 110    while ( -1 != opt )
 111    {
 112       switch ( opt )
 113       {
 114          case 'h':
 115          {
 116             dockapp_show_help( argv[0] );
 117             exit( 1 );
 118             /* Never reached. */
 119          }
 120
 121          case 'v':
 122          {
 123             dockapp_show_version();
 124             exit( 1 );
 125             /* Never reached. */
 126          }
 127       }
 128
 129       opt = getopt( argc, argv, "hv" );
 130    }
 131
 132    createXBMfromXPM( wmmisc_mask_bits,
 133                         wmmisc_master_xpm,
 134                         wmmisc_mask_width,
 135                         wmmisc_mask_height );
 136
 137    openXwindow( argc,
 138                 argv,
 139                 wmmisc_master_xpm,
 140                 wmmisc_mask_bits,
 141                 wmmisc_mask_width,
 142                 wmmisc_mask_height );
 143
 144    RedrawWindow();
 145
 146    dockapp_draw_small_str( "USERS", 4, 4 );
 147    dockapp_draw_small_str( "PROCS", 4, 11 );
 148    dockapp_draw_small_str( "ACTIVE", 4, 18 );
 149
 150    dockapp_draw_small_str( "UP", 4, 28 );
 151    dockapp_draw_small_str( "DAYS", 4, 37 );
 152    dockapp_draw_small_str( "WEEKS", 4, 44 );
 153
 154    dockapp_draw_small_str( "LOAD", 4, 53 );
 155
 156    do
 157    {
 158       dockapp_draw_data();
 159       usleep( 250000L );
 160    } while( 1 );
 161
 162    return 0;
 163 }