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| 2 | /****************************************************************************
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| 3 | *
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| 4 | * MODULE: g.gui
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| 5 | *
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| 6 | * AUTHOR(S): Martin Landa <landa.martin gmail.com>
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| 7 | * Hamish Bowman <hamish_b yahoo com> (fine tuning)
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| 8 | *
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| 9 | * PURPOSE: Start GRASS GUI from command line.
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| 10 | *
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| 11 | * COPYRIGHT: (C) 2008-2015 by the GRASS Development Team
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| 12 | *
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| 13 | * This program is free software under the GNU General Public
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| 14 | * License (>=v2). Read the file COPYING that comes with GRASS
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| 15 | * for details.
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| 16 | *
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| 17 | *****************************************************************************/
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| 18 |
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| 19 | #include <stdlib.h>
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| 20 | #include <string.h>
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| 21 | #include <unistd.h>
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| 22 |
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| 23 | #include <grass/gis.h>
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| 24 | #include <grass/glocale.h>
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| 25 | #include <grass/spawn.h>
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| 26 |
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| 27 | int main(int argc, char *argv[])
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| 28 | {
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| 29 | struct Option *type, *rc_file;
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| 30 | struct Flag *update_ui, *fglaunch, *nolaunch;
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| 31 | struct GModule *module;
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| 32 | const char *gui_type_env;
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| 33 | char progname[GPATH_MAX];
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| 34 | char *desc;
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| 35 |
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| 36 | G_gisinit(argv[0]);
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| 37 |
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| 38 | module = G_define_module();
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| 39 | G_add_keyword(_("general"));
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| 40 | G_add_keyword(_("GUI"));
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| 41 | G_add_keyword(_("user interface"));
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| 42 |
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| 43 | module->label =
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| 44 | _("Launches a GRASS graphical user interface (GUI) session.");
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| 45 | module->description = _("Optionally updates default user interface settings.");
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| 46 |
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| 47 | type = G_define_option();
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| 48 | type->key = "ui";
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| 49 | type->type = TYPE_STRING;
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| 50 | type->description = _("User interface");
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| 51 | desc = NULL;
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| 52 | G_asprintf(&desc,
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| 53 | "wxpython;%s;text;%s;gtext;%s;",
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| 54 | _("wxPython based GUI (wxGUI)"),
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| 55 | _("command line interface only"),
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| 56 | _("command line interface with GUI startup screen"));
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| 57 | type->descriptions = desc;
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| 58 | type->options = "wxpython,text,gtext";
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| 59 | type->answer = "wxpython";
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| 60 | type->guisection = _("Type");
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| 61 |
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| 62 | rc_file = G_define_standard_option(G_OPT_F_INPUT);
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| 63 | rc_file->key = "workspace";
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| 64 | rc_file->required = NO;
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| 65 | rc_file->key_desc = "name.gxw";
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| 66 | rc_file->label = _("Name of workspace file to load on start-up");
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| 67 | rc_file->description = _("This is valid only for wxGUI (wxpython)");
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| 68 |
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| 69 | fglaunch = G_define_flag();
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| 70 | fglaunch->key = 'f';
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| 71 | fglaunch->label = _("Start GUI in the foreground");
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| 72 | fglaunch->description = _("By default the GUI starts in the background"
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| 73 | " and control is immediately returned to the caller."
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| 74 | " When GUI runs in foregreound, it blocks the command line");
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| 75 |
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| 76 | update_ui = G_define_flag();
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| 77 | update_ui->key = 'd';
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| 78 | update_ui->description = _("Update default user interface settings");
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| 79 | update_ui->guisection = _("Default");
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| 80 |
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| 81 | nolaunch = G_define_flag();
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| 82 | nolaunch->key = 'n';
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| 83 | nolaunch->description =
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| 84 | _("Do not launch GUI after updating the default user interface settings");
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| 85 | nolaunch->guisection = _("Default");
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| 86 |
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| 87 | if (G_parser(argc, argv))
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| 88 | exit(EXIT_FAILURE);
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| 89 |
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| 90 | gui_type_env = G_getenv_nofatal("GUI");
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| 91 | G_debug(1, "GUI: %s", gui_type_env ? gui_type_env : "unset");
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| 92 | if (update_ui->answer) {
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| 93 | if (!gui_type_env || strcmp(type->answer, gui_type_env)) {
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| 94 | G_setenv("GUI", type->answer);
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| 95 | G_message(_("<%s> is now the default GUI"), type->answer);
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| 96 | }
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| 97 | }
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| 98 |
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| 99 | if(strcmp(type->answer, "wxpython") != 0 || nolaunch->answer) {
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| 100 | if (!update_ui->answer)
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| 101 | G_warning(_("Nothing to do. For setting up <%s> as default UI use -%c flag."),
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| 102 | type->answer, update_ui->key);
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| 103 | exit(EXIT_SUCCESS);
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| 104 | }
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| 105 |
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| 106 | sprintf(progname, "%s/gui/wxpython/wxgui.py", G_gisbase());
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| 107 | if (access(progname, F_OK) == -1)
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| 108 | G_fatal_error(_("Your installation doesn't include GUI, exiting."));
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| 109 |
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| 110 | if (fglaunch->answer) {
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| 111 | G_message(_("Launching <%s> GUI, please wait..."), type->answer);
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| 112 | if (rc_file->answer) {
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| 113 | G_spawn_ex(getenv("GRASS_PYTHON"), getenv("GRASS_PYTHON"), progname,
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| 114 | "--workspace", rc_file->answer, NULL);
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| 115 | }
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| 116 | else {
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| 117 | G_spawn_ex(getenv("GRASS_PYTHON"), getenv("GRASS_PYTHON"), progname,
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| 118 | NULL);
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| 119 | }
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| 120 | }
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| 121 | else {
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| 122 | G_message(_("Launching <%s> GUI in the background, please wait..."), type->answer);
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| 123 | if (rc_file->answer) {
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| 124 | G_spawn_ex(getenv("GRASS_PYTHON"), getenv("GRASS_PYTHON"), progname,
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| 125 | "--workspace", rc_file->answer, SF_BACKGROUND, NULL);
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| 126 | }
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| 127 | else {
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| 128 | G_spawn_ex(getenv("GRASS_PYTHON"), getenv("GRASS_PYTHON"), progname,
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| 129 | SF_BACKGROUND, NULL);
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| 130 | }
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| 131 | /* stop the impatient from starting it again
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| 132 | before the splash screen comes up */
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| 133 | G_sleep(3);
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| 134 | }
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| 135 |
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| 136 | exit(EXIT_SUCCESS);
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| 137 | }
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