src/main.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // main.cc for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2005 Sean 'Shaleh' Perry <shaleh@debian.org>
   4 // Copyright (c) 1997 - 2000, 2002 - 2005
   5 //         Bradley T Hughes <bhughes at trolltech.com>
   6 //
   7 // Permission is hereby granted, free of charge, to any person obtaining a
   8 // copy of this software and associated documentation files (the "Software"),
   9 // to deal in the Software without restriction, including without limitation
  10 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11 // and/or sell copies of the Software, and to permit persons to whom the
  12 // Software is furnished to do so, subject to the following conditions:
  13 //
  14 // The above copyright notice and this permission notice shall be included in
  15 // all copies or substantial portions of the Software.
  16 //
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23 // DEALINGS IN THE SOFTWARE.
  24
  25 // #define PRINT_SIZES
  26
  27 #if defined(PRINT_SIZES)
  28 #  include "Screen.hh"
  29 #  include "Slit.hh"
  30 #  include "Toolbar.hh"
  31 #  include "Window.hh"
  32 #endif
  33
  34 #include "blackbox.hh"
  35 #include "../version.h"
  36
  37 #include <stdio.h>
  38
  39
  40 static void showHelp(int exitval) {
  41   // print version - this should not be localized!
  42   printf("Blackbox %s\n"
  43          "Copyright (c) 2001 - 2005 Sean 'Shaleh' Perry\n"
  44          "Copyright (c) 1997 - 2000, 2002 - 2005 Bradley T Hughes\n",
  45          __blackbox_version);
  46
  47   // print program usage and command line options
  48   printf("  -display <string>\t\tuse display connection.\n"
  49          "  -single <string>\t\tmanage the default screen only\n"
  50          "  -rc <string>\t\t\tuse alternate resource file.\n"
  51          "  -version\t\t\tdisplay version and exit.\n"
  52          "  -help\t\t\t\tdisplay this help text and exit.\n\n");
  53
  54   // some people have requested that we print out compile options
  55   // as well
  56   printf("Compile time options:\n"
  57          "  Debugging:\t\t\t%s\n"
  58          "  Shape:\t\t\t%s\n\n",
  59 #ifdef    DEBUG
  60          "yes",
  61 #else // !DEBUG
  62          "no",
  63 #endif // DEBUG
  64
  65 #ifdef    SHAPE
  66          "yes"
  67 #else // !SHAPE
  68          "no"
  69 #endif // SHAPE
  70          );
  71
  72   ::exit(exitval);
  73 }
  74
  75 int main(int argc, char **argv) {
  76   const char *dpy_name = 0;
  77   std::string rc_file;
  78   bool multi_head = true;
  79
  80   for (int i = 1; i < argc; ++i) {
  81     if (! strcmp(argv[i], "-help")) {
  82       showHelp(0);
  83     } else if (! strcmp(argv[i], "-version")) {
  84       // print current version string, this should not be localized!
  85       printf("Blackbox %s\n"
  86              "Copyright (c) 2001 - 2005 Sean 'Shaleh' Perry\n"
  87              "Copyright (c) 1997 - 2000, 2002 - 2005 Bradley T Hughes\n",
  88              __blackbox_version);
  89
  90       ::exit(0);
  91     } else if (! strcmp(argv[i], "-rc")) {
  92       // look for alternative rc file to use
  93
  94       if ((++i) >= argc) {
  95         fprintf(stderr, "error: '-rc' requires and argument\n");
  96         ::exit(1);
  97       }
  98
  99       rc_file = argv[i];
 100     } else if (! strcmp(argv[i], "-display")) {
 101       // check for -display option... to run on a display other than the one
 102       // set by the environment variable DISPLAY
 103
 104       if ((++i) >= argc) {
 105         fprintf(stderr, "error: '-display' requires an argument\n");
 106         ::exit(1);
 107       }
 108
 109       dpy_name = argv[i];
 110       std::string dtmp = "DISPLAY=";
 111       dtmp += dpy_name;
 112
 113       if (putenv(const_cast<char*>(dtmp.c_str()))) {
 114         fprintf(stderr,
 115                 "warning: couldn't set environment variable 'DISPLAY'\n");
 116         perror("putenv()");
 117       }
 118     } else if (! strcmp(argv[i], "-single")) {
 119       multi_head = false;
 120     } else { // invalid command line option
 121       showHelp(-1);
 122     }
 123   }
 124
 125 #ifdef    __EMX__
 126   _chdir2(getenv("X11ROOT"));
 127 #endif // __EMX__
 128
 129   if (rc_file.empty())
 130     rc_file = "~/.blackboxrc";
 131   rc_file = bt::expandTilde(rc_file);
 132
 133 #if defined(PRINT_SIZES)
 134   printf("Blackbox      : %4d bytes\n"
 135          "BScreen       : %4d bytes\n"
 136          "BlackboxWindow: %4d bytes\n"
 137          "Toolbar       : %4d bytes\n"
 138          "Slit          : %4d bytes\n",
 139          sizeof(Blackbox),
 140          sizeof(BScreen),
 141          sizeof(BlackboxWindow),
 142          sizeof(Toolbar),
 143          sizeof(Slit));
 144 #endif
 145
 146   Blackbox blackbox(argv, dpy_name, rc_file, multi_head);
 147   blackbox.run();
 148   return 0;
 149 }