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 <getopt.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25 #include <bits/getopt_core.h>
  26 #include <signal.h>
  27
  28 #ifdef USE_MTRACE
  29 #include <mcheck.h>
  30 #endif /* USE_MTRACE */
  31
  32 #include <libdockapp/wmgeneral.h>
  33
  34 #include "wmmisc-master.xpm"
  35 #include "dockapp_main.h"
  36 #include "dockapp_draw.h"
  37
  38 void
  39 dockapp_show_help( const char* wm_name )
  40 {
  41    printf( "Usage: %s [OPTION]...\n", wm_name );
  42    printf( "This is a simple WindowMaker 'DockApp' that will monitor the following:\n" );
  43    printf( "Number of users logged in, total processes, total number of processes running,\n" );
  44    printf( "the system's fork count and load average.\n\n" );
  45    printf( "      -h                 display this help and exit\n" );
  46    printf( "      -v                 output version information and exit\n" );
  47    printf( "      -display DISPLAY   set display\n");
  48    printf( "      -geometry +x+y     set position\n\n");
  49    printf( "Report bugs to <" PACKAGE_BUGREPORT ">.\n" );
  50 }
  51
  52 void
  53 dockapp_show_version( void )
  54 {
  55    printf( "%s\n", PACKAGE_STRING);
  56    printf( "Written by %s <%s>\n\n", DOCKAPP_AUTHOR, DOCKAPP_AUTHOR_EMAIL );
  57    printf( "Copyright (C) 2003-2006 %s\n", DOCKAPP_AUTHOR );
  58    printf( "This is free software; see the source for copying conditions.  There is NO\n" );
  59    printf( "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n" );
  60 }
  61
  62 void
  63 dockapp_exit( int signal_received )
  64 {
  65 #ifdef USE_MTRACE
  66    muntrace();
  67 #endif /* USE_MTRACE */
  68
  69 #ifdef DEBUG
  70    fprintf( stderr,
  71             "%s: Exiting cleanly with signal %d\n",
  72             DOCKAPP_NAME,
  73             signal_received );
  74 #endif /* DEBUG */
  75
  76    exit( 0 );
  77 }
  78
  79 void
  80 dockapp_crash( int signal_received )
  81 {
  82    fprintf( stderr,
  83             "%s: got signal %d -- bailing out!\n",
  84             DOCKAPP_NAME,
  85             signal_received );
  86    fprintf( stderr,
  87             "It appears that %s has encountered an error.\n",
  88             DOCKAPP_NAME );
  89    fprintf( stderr,
  90             "If this continues to happen, please run '%s core' from a debugger,\n",
  91             DOCKAPP_NAME );
  92    fprintf( stderr,
  93             "such as gdb, and report the output to <%s>.\n",
  94             PACKAGE_BUGREPORT );
  95
  96    abort();
  97 }
  98
  99 int
 100 main( int argc, char** argv )
 101 {
 102    int opt = 0;
 103    const struct option longopts[] = {
 104         {"display", required_argument, NULL, 0},
 105         {"geometry", required_argument, NULL, 0},
 106         {0, 0, 0, 0}
 107    };
 108
 109 #ifdef USE_MTRACE
 110    mtrace();
 111 #endif /* USE_MTRACE */
 112
 113    signal( SIGINT, dockapp_exit );
 114    signal( SIGSEGV, dockapp_crash );
 115
 116    opt = getopt_long_only( argc, argv, "hv", longopts, NULL);
 117
 118    while ( -1 != opt )
 119    {
 120       switch ( opt )
 121       {
 122          case 'h':
 123          {
 124             dockapp_show_help( argv[0] );
 125             exit( 1 );
 126             /* Never reached. */
 127          }
 128
 129          case 'v':
 130          {
 131             dockapp_show_version();
 132             exit( 1 );
 133             /* Never reached. */
 134          }
 135       }
 136
 137       opt = getopt_long_only( argc, argv, "hv", longopts, NULL);
 138    }
 139
 140    createXBMfromXPM( wmmisc_mask_bits,
 141                         wmmisc_master_xpm,
 142                         wmmisc_mask_width,
 143                         wmmisc_mask_height );
 144
 145    openXwindow( argc,
 146                 argv,
 147                 wmmisc_master_xpm,
 148                 wmmisc_mask_bits,
 149                 wmmisc_mask_width,
 150                 wmmisc_mask_height );
 151
 152    RedrawWindow();
 153
 154    dockapp_draw_small_str( "USERS", 4, 4 );
 155    dockapp_draw_small_str( "PROCS", 4, 11 );
 156    dockapp_draw_small_str( "ACTIVE", 4, 18 );
 157
 158    dockapp_draw_small_str( "UP", 4, 28 );
 159    dockapp_draw_small_str( "DAYS", 4, 37 );
 160    dockapp_draw_small_str( "WEEKS", 4, 44 );
 161
 162    dockapp_draw_small_str( "LOAD", 4, 53 );
 163
 164    do
 165    {
 166       dockapp_draw_data();
 167       usleep( 250000L );
 168    } while( 1 );
 169
 170    return 0;
 171 }