luakit.c

   1 /*
   2  * luakit.c - luakit main functions
   3  *
   4  * Copyright (C) 2010 Mason Larobina <mason.larobina@gmail.com>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 /*
  22  * MIT/X Consortium License (applies to some functions from surf.c)
  23  *
  24  * (C) 2009 Enno Boland <gottox@s01.de>
  25  *
  26  * See COPYING.MIT for the full license.
  27  *
  28  */
  29
  30 #include <gtk/gtk.h>
  31 #include <signal.h>
  32 #include <stdlib.h>
  33 #include <sys/wait.h>
  34 #include "globalconf.h"
  35 #include "common/util.h"
  36 #include "luah.h"
  37 #include "luakit.h"
  38
  39 static void sigchld(int sigint);
  40
  41 void
  42 sigchld(int signum) {
  43     (void) signum;
  44     if (signal(SIGCHLD, sigchld) == SIG_ERR)
  45         fatal("Can't install SIGCHLD handler");
  46     while(0 < waitpid(-1, NULL, WNOHANG));
  47 }
  48
  49 /* load command line options into luakit and return uris to load */
  50 gchar**
  51 parseopts(int argc, char *argv[]) {
  52     GOptionContext *context;
  53     gboolean *only_version = NULL;
  54     gchar **uris = NULL;
  55
  56     /* define command line options */
  57     const GOptionEntry entries[] = {
  58         { "uri", 'u', 0, G_OPTION_ARG_STRING_ARRAY, &uris,
  59             "uri(s) to load at startup", "URI" },
  60         { "config", 'c', 0, G_OPTION_ARG_STRING, &globalconf.confpath,
  61             "configuration file to use", "FILE" },
  62         { "version", 'V', 0, G_OPTION_ARG_NONE, &only_version,
  63             "show version", NULL },
  64         { NULL, 0, 0, 0, NULL, NULL, NULL }};
  65
  66     /* parse command line options */
  67     context = g_option_context_new("[URI...]");
  68     g_option_context_add_main_entries(context, entries, NULL);
  69     g_option_context_add_group(context, gtk_get_option_group(TRUE));
  70     // TODO Passing gtk options (like --sync) to luakit causes a segfault right
  71     // here. I'm clueless.
  72     g_option_context_parse(context, &argc, &argv, NULL);
  73     g_option_context_free(context);
  74
  75     /* print version and exit */
  76     if(only_version) {
  77         g_printf("Version: %s\n", VERSION);
  78         exit(EXIT_SUCCESS);
  79     }
  80
  81     if (uris && argv[1])
  82         fatal("invalid mix of -u and default uri arguments");
  83
  84     if (uris)
  85         return uris;
  86     else
  87         return argv+1;
  88 }
  89
  90 void
  91 init_lua(gchar **uris)
  92 {
  93     gchar *uri;
  94     lua_State *L;
  95     xdgHandle xdg;
  96
  97     /* init globalconf structs */
  98     globalconf.signals = signal_tree_new();
  99     globalconf.windows = g_ptr_array_new();
 100
 101     /* get XDG basedir data */
 102     xdgInitHandle(&xdg);
 103
 104     /* init lua */
 105     luaH_init(&xdg);
 106     L = globalconf.L;
 107
 108     /* push a table of the statup uris */
 109     lua_newtable(L);
 110     for (gint i = 0; (uri = uris[i]); i++) {
 111         lua_pushstring(L, uri);
 112         lua_rawseti(L, -2, i + 1);
 113     }
 114     lua_setglobal(L, "uris");
 115
 116     /* parse and run configuration file */
 117     if(!luaH_parserc(&xdg, globalconf.confpath, TRUE))
 118         fatal("couldn't find rc file");
 119
 120     if (!globalconf.windows->len)
 121         fatal("no windows spawned by rc file load, exiting");
 122
 123     /* we are finished with this */
 124     xdgWipeHandle(&xdg);
 125 }
 126
 127 void
 128 init_directories()
 129 {
 130     /* create luakit directory */
 131     globalconf.base_directory = g_build_filename(g_get_home_dir(), LUAKIT_CONFIG_DIR, NULL);
 132     g_mkdir_with_parents(globalconf.base_directory, 0771);
 133 }
 134
 135 int
 136 main(int argc, char *argv[]) {
 137     gchar **uris = NULL;
 138
 139     /* clean up any zombies */
 140     sigchld(0);
 141
 142     gtk_init(&argc, &argv);
 143     if (!g_thread_supported())
 144         g_thread_init(NULL);
 145
 146     /* parse command line opts and get uris to load */
 147     uris = parseopts(argc, argv);
 148
 149     init_directories();
 150     init_lua(uris);
 151     gtk_main();
 152     return EXIT_SUCCESS;
 153 }
 154
 155 // vim: ft=c:et:sw=4:ts=8:sts=4:enc=utf-8:tw=80