path: root/hardinfo2/util.c

/*
 *    HardInfo - Displays System Information
 *    Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@linuxmag.com.br>
 *
 *    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, version 2.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */
#include <config.h>

#include <string.h>
#include <hardinfo.h>
#include <gtk/gtk.h>

#include <binreloc.h>

#define KiB 1024
#define MiB 1048576
#define GiB 1073741824

inline gchar *
size_human_readable(gfloat size)
{
    if (size < KiB)
	return g_strdup_printf("%.1f B", size);
    if (size < MiB)
	return g_strdup_printf("%.1f KiB", size / KiB);
    if (size < GiB)
	return g_strdup_printf("%.1f MiB", size / MiB);

    return g_strdup_printf("%.1f GiB", size / GiB);
}

inline void
strend(gchar *str, gchar chr)
{
    if (!str)
        return;
        
    char *p;
    if ((p = strchr(str, chr)))
        *p = 0;
}

inline void
remove_quotes(gchar *str)
{
    if (!str)
        return;

    while (*str == '"')
        *(str++) = ' ';
    
    strend(str, '"');
}

inline void
remove_linefeed(gchar * str)
{
    strend(str, '\n');
}

void
widget_set_cursor(GtkWidget *widget, GdkCursorType cursor_type)
{   
        GdkCursor *cursor;
 
        cursor = gdk_cursor_new(cursor_type);
        gdk_window_set_cursor(GDK_WINDOW(widget->window), cursor);
        gdk_cursor_unref(cursor);
        
        while(gtk_events_pending())
                gtk_main_iteration();
}

static gboolean
__nonblock_cb(gpointer data)
{
        gtk_main_quit();
        return FALSE;
}

void
nonblock_sleep(guint msec)
{
        g_timeout_add(msec, (GSourceFunc)__nonblock_cb, NULL);
        gtk_main();
}

static void
__expand_cb(GtkWidget *widget, gpointer data)
{
    if (GTK_IS_EXPANDER(widget)) {
        gtk_expander_set_expanded(GTK_EXPANDER(widget), TRUE);
    } else if (GTK_IS_CONTAINER(widget)) {
        gtk_container_foreach(GTK_CONTAINER(widget), (GtkCallback)__expand_cb, NULL);
    }
}

void
file_chooser_open_expander(GtkWidget *chooser)
{
    gtk_container_foreach(GTK_CONTAINER(chooser), (GtkCallback)__expand_cb, NULL);
}

void
file_chooser_add_filters(GtkWidget *chooser, FileTypes *filters)
{
    GtkFileFilter *filter;
    gint i;
    
    for (i = 0; filters[i].name; i++) {
        filter = gtk_file_filter_new();
        gtk_file_filter_add_mime_type(filter, filters[i].mime_type);
        gtk_file_filter_set_name(filter, filters[i].name);
        gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(chooser), filter);
    }
}

gchar 
*file_chooser_get_extension(GtkWidget *chooser, FileTypes *filters)
{
    GtkFileFilter *filter;
    const gchar *filter_name;
    gint i;
    
    filter = gtk_file_chooser_get_filter(GTK_FILE_CHOOSER(chooser));
    filter_name = gtk_file_filter_get_name(filter);
    for (i = 0; filters[i].name; i++) {
        if (g_str_equal(filter_name, filters[i].name)) {
            return filters[i].extension;
        }
    }
    
    return NULL;
}

gpointer
file_types_get_data_by_name(FileTypes *filters, gchar *filename)
{
    gint i;
    
    for (i = 0; filters[i].name; i++) {
        if (g_str_has_suffix(filename, filters[i].extension)) {
            return filters[i].data;
        }
    }
    
    return NULL;
}

gchar
*file_chooser_build_filename(GtkWidget *chooser, gchar *extension)
{
    gchar *filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(chooser));
    gchar *retval;
    
    if (g_str_has_suffix(filename, extension)) {
        return filename;
    }
    
    retval = g_strconcat(filename, extension, NULL);
    g_free(filename);
    
    return retval;
}

gboolean
binreloc_init(gboolean try_hardcoded)
{
    GError *error = NULL;
    gchar *tmp;
    
    /* If the runtime data directories we previously found, don't even try
       to find them again. */
    if (path_data && path_lib) {
        return TRUE;
    }
    
    if (try_hardcoded || !gbr_init(&error)) {
        /* We were asked to try hardcoded paths or BinReloc failed to initialize. */
        path_data = g_strdup(PREFIX);
        path_lib = g_strdup(LIBPREFIX);

        if (error) {
            g_error_free(error);
        }        
    } else {
        /* If we were able to initialize BinReloc, build the default data
           and library paths. */
        tmp = gbr_find_data_dir(PREFIX);
        path_data = g_build_filename(tmp, "hardinfo", NULL);
        g_free(tmp);

        tmp = gbr_find_lib_dir(PREFIX);
        path_lib = g_build_filename(tmp, "hardinfo", NULL);
        g_free(tmp);
    }

    /* Try to see if the uidefs.xml file isn't missing. This isn't the
       definitive test, but it should do okay for most situations. */
    tmp = g_build_filename(path_data, "uidefs.xml", NULL);
    if (!g_file_test(tmp, G_FILE_TEST_EXISTS)) {
        g_free(path_data);
        g_free(path_lib);
        g_free(tmp);
        
        path_data = path_lib = NULL;
        
        if (try_hardcoded) {
            /* We tried the hardcoded paths, but still was unable to find the
               runtime data. Give up. */
            return FALSE;
        } else {
            /* Even though BinReloc worked OK, the runtime data was not found.
               Try the hardcoded paths. */
            return binreloc_init(TRUE);
        }
    }
    g_free(tmp);

    /* We found the runtime data; hope everything is fine */
    return TRUE;
}

static void
log_handler(const gchar *log_domain,
            GLogLevelFlags log_level,
            const gchar *message,
            gpointer user_data)
{
    if (!gui_running) {
        /* No GUI running: spit the message to the terminal */
        g_print("\n\n*** %s: %s\n\n", (log_level & G_LOG_FLAG_FATAL) ? "Error" : "Warning",
                message);
    } else {
        /* Hooray! We have a GUI running! */
        GtkWidget *dialog;
        
        dialog = gtk_message_dialog_new_with_markup(NULL, GTK_DIALOG_MODAL,
                                                    (log_level & G_LOG_FLAG_FATAL) ?
                                                      GTK_MESSAGE_ERROR : GTK_MESSAGE_WARNING,
                                                    GTK_BUTTONS_CLOSE,
                                                    "<big><b>%s</b></big>\n\n%s",
                                                    (log_level & G_LOG_FLAG_FATAL) ?
                                                      "Fatal Error" : "Warning",
                                                    message);

        gtk_dialog_run(GTK_DIALOG(dialog));
        gtk_widget_destroy(dialog);
    }
}

gboolean
ui_init(int *argc, char ***argv)
{
    g_set_application_name("HardInfo");
    g_log_set_handler(NULL, G_LOG_LEVEL_WARNING | G_LOG_FLAG_FATAL | G_LOG_LEVEL_ERROR,
                      log_handler, NULL);
                      
    return gtk_init_check(argc, argv);
}

void
open_url(gchar *url)
{
    const gchar *browsers[] = { "xdg-open", "gnome-open", "kfmclient openURL", "sensible-browser",
                                "firefox", "epiphany", "galeon", "mozilla", "opera", "konqueror",
                                "netscape", "links -g", NULL};
    gint i;
    
    for (i = 0; browsers[i]; i++) {
        gchar *cmdline = g_strdup_printf("%s '%s'", browsers[i], url);
        
        if (g_spawn_command_line_async(cmdline, NULL)) {
            g_free(cmdline);
            return;
        }
        
        g_free(cmdline);
    }
    
    g_warning("Couldn't find a Web browser to open URL %s.", url);
}