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/*
* Copyright (C) 1987-2008 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (C) 2008-2011 Robert Ancell
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 2 of the License, or (at your option) any later
* version. See http://www.gnu.org/copyleft/gpl.html the full text of the
* license.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <locale.h>
#include <glib/gi18n.h>
#include "math-window.h"
#include "math-preferences.h"
#include "mp-equation.h"
#include "unit-manager.h"
#include "utility.h"
GSettings *g_settings_var = NULL;
static MathWindow *window;
static void
version(const gchar *progname)
{
/* NOTE: Is not translated so can be easily parsed */
fprintf(stderr, "%1$s %2$s\n", progname, VERSION);
}
static int
do_convert(const MPNumber *x, const char *x_units, const char *z_units, MPNumber *z, void *data)
{
return unit_manager_convert_by_symbol(unit_manager_get_default(), x, x_units, z_units, z);
}
static void
solve(const char *equation)
{
MPEquationOptions options;
MPErrorCode error;
MPNumber result;
char *result_str;
memset(&options, 0, sizeof(options));
options.base = 10;
options.wordlen = 32;
options.angle_units = MP_DEGREES;
options.convert = do_convert;
error = mp_equation_parse(equation, &options, &result, NULL);
if(error == PARSER_ERR_MP) {
fprintf(stderr, "Error: %s\n", mp_get_error());
exit(1);
}
else if(error != 0) {
fprintf(stderr, "Error: %s\n", mp_error_code_to_string(error));
exit(1);
}
else {
result_str = mp_serializer_to_string(mp_serializer_new(MP_DISPLAY_FORMAT_AUTOMATIC, 10, 9), &result);
printf("%s\n", result_str);
exit(0);
}
}
static void
usage(const gchar *progname, gboolean show_application, gboolean show_gtk)
{
fprintf(stderr,
/* Description on how to use mate-calc displayed on command-line */
_("Usage:\n"
" %s — Perform mathematical calculations"), progname);
fprintf(stderr,
"\n\n");
fprintf(stderr,
/* Description on mate-calc command-line help options displayed on command-line */
_("Help Options:\n"
" -v, --version Show release version\n"
" -h, -?, --help Show help options\n"
" --help-all Show all help options\n"
" --help-gtk Show GTK+ options"));
fprintf(stderr,
"\n\n");
if (show_gtk) {
fprintf(stderr,
/* Description on mate-calc command-line GTK+ options displayed on command-line */
_("GTK+ Options:\n"
" --class=CLASS Program class as used by the window manager\n"
" --name=NAME Program name as used by the window manager\n"
" --screen=SCREEN X screen to use\n"
" --sync Make X calls synchronous\n"
" --gtk-module=MODULES Load additional GTK+ modules\n"
" --g-fatal-warnings Make all warnings fatal"));
fprintf(stderr,
"\n\n");
}
if (show_application) {
fprintf(stderr,
/* Description on mate-calc application options displayed on command-line */
_("Application Options:\n"
" -s, --solve <equation> Solve the given equation"));
fprintf(stderr,
"\n\n");
}
}
static void
get_options(int argc, char *argv[])
{
int i;
char *progname, *arg;
progname = g_path_get_basename(argv[0]);
for (i = 1; i < argc; i++) {
arg = argv[i];
if (strcmp(arg, "-v") == 0 ||
strcmp(arg, "--version") == 0) {
version(progname);
g_free(progname);
exit(0);
}
else if (strcmp(arg, "-h") == 0 ||
strcmp(arg, "-?") == 0 ||
strcmp(arg, "--help") == 0) {
usage(progname, TRUE, FALSE);
g_free(progname);
exit(0);
}
else if (strcmp(arg, "--help-all") == 0) {
usage(progname, TRUE, TRUE);
g_free(progname);
exit(0);
}
else if (strcmp(arg, "--help-gtk") == 0) {
usage(progname, FALSE, TRUE);
g_free(progname);
exit(0);
}
else if (strcmp(arg, "-s") == 0 ||
strcmp(arg, "--solve") == 0) {
i++;
if (i >= argc) {
fprintf(stderr,
/* Error printed to stderr when user uses --solve argument without an equation */
_("Argument --solve requires an equation to solve"));
fprintf(stderr, "\n");
g_free(progname);
exit(1);
}
else
solve(argv[i]);
}
else {
fprintf(stderr,
/* Error printed to stderr when user provides an unknown command-line argument */
_("Unknown argument '%s'"), arg);
fprintf(stderr, "\n");
usage(progname, TRUE, FALSE);
g_free(progname);
exit(1);
}
}
g_free(progname);
}
static void
quit_cb(MathWindow *window)
{
gtk_main_quit();
}
int main(int argc, char **argv)
{
MathEquation *equation;
MathButtons *buttons;
int accuracy = 9, word_size = 64, base = 10;
gboolean show_tsep = FALSE, show_zeroes = FALSE;
MpDisplayFormat number_format;
MPAngleUnit angle_units;
ButtonMode button_mode;
gchar *source_currency, *target_currency;
gchar *source_units, *target_units;
setlocale(LC_ALL, "");
bindtextdomain(GETTEXT_PACKAGE, LOCALE_DIR);
bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
textdomain(GETTEXT_PACKAGE);
/* Seed random number generator. */
srand48((long) time((time_t *) 0));
gtk_init(&argc, &argv);
g_settings_var = g_settings_new ("org.mate.calc");
accuracy = g_settings_get_int(g_settings_var, "accuracy");
word_size = g_settings_get_int(g_settings_var, "word-size");
base = g_settings_get_int(g_settings_var, "base");
show_tsep = g_settings_get_boolean(g_settings_var, "show-thousands");
show_zeroes = g_settings_get_boolean(g_settings_var, "show-zeroes");
number_format = g_settings_get_enum(g_settings_var, "number-format");
angle_units = g_settings_get_enum(g_settings_var, "angle-units");
button_mode = g_settings_get_enum(g_settings_var, "button-mode");
source_currency = g_settings_get_string(g_settings_var, "source-currency");
target_currency = g_settings_get_string(g_settings_var, "target-currency");
source_units = g_settings_get_string(g_settings_var, "source-units");
target_units = g_settings_get_string(g_settings_var, "target-units");
equation = math_equation_new();
math_equation_set_accuracy(equation, accuracy);
math_equation_set_word_size(equation, word_size);
math_equation_set_show_thousands_separators(equation, show_tsep);
math_equation_set_show_trailing_zeroes(equation, show_zeroes);
math_equation_set_number_format(equation, number_format);
math_equation_set_angle_units(equation, angle_units);
math_equation_set_source_currency(equation, source_currency);
math_equation_set_target_currency(equation, target_currency);
math_equation_set_source_units(equation, source_units);
math_equation_set_target_units(equation, target_units);
g_free(source_currency);
g_free(target_currency);
g_free(source_units);
g_free(target_units);
get_options(argc, argv);
//gtk_window_set_default_icon_name("accessories-calculator");
window = math_window_new(equation);
buttons = math_window_get_buttons(window);
g_signal_connect(G_OBJECT(window), "quit", G_CALLBACK(quit_cb), NULL);
math_buttons_set_programming_base(buttons, base);
math_buttons_set_mode(buttons, button_mode); // FIXME: We load the basic buttons even if we immediately switch to the next type
gtk_widget_show(GTK_WIDGET(window));
gtk_main();
return 0;
}
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