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utils.c

/*
 * File:                utils.c
 * Created:             August 2007
 * Created by:          Axel von Bertoldi
 * Last Modified:       January 2008
 * Last Modified by:    Axel von Bertoldi
 * (C) 2005-2008        Axel von Bertoldi
 *
 * 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.
 *
 * 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 Street, Fifth Floor
 * Boston, MA 02110-1301, USA.
 */

#include <glib/gprintf.h>

#include "utils.h"
#include "config.h"

/******************************************************************************/
void
garbage_init (Garbage *garabage) {
    if (*garabage == NULL) {
        GPtrArray **_garbage = (GPtrArray**)garabage;
        *_garbage = g_ptr_array_new();
    }
}
/******************************************************************************/
void
garbage_empty (Garbage *garabage, gboolean reuse) {
    if (*garabage == NULL)
        return;

    GPtrArray **_garbage = (GPtrArray**)garabage;

    g_ptr_array_foreach (*_garbage, (GFunc)g_free, NULL);
    g_ptr_array_free (*_garbage, TRUE);
    *_garbage = reuse ? g_ptr_array_new() : NULL;
}
/******************************************************************************/
void
garbage_add_item (Garbage garabage, gpointer item) {
    if (garabage) {
        GPtrArray *_garbage = (GPtrArray*)garabage;
        g_ptr_array_add (_garbage, item);
    }
}
/******************************************************************************/
gboolean
utils_gerror_ok (GError **error, gboolean show_error) {
    if (*error) {
        g_printerr ("Error::%s\n", (*error)->message);

        if (show_error)
            utils_show_dialog (_("Error"), (*error)->message, GTK_MESSAGE_ERROR);

        g_error_free (*error);
        *error = NULL;
        return FALSE;
    }
    return TRUE;
}
/******************************************************************************/
void
utils_show_dialog (const gchar *title, const gchar *message, GtkMessageType type) {
    GtkWidget *dialog = gtk_message_dialog_new (NULL,
                                                0,
                                                type,
                                                GTK_BUTTONS_CLOSE,
                                                "%s",
                                                message);
    gtk_window_set_title (GTK_WINDOW (dialog), title);

    g_signal_connect (G_OBJECT (dialog), "destroy", G_CALLBACK (gtk_widget_destroy), dialog);
    g_signal_connect (G_OBJECT (dialog), "delete_event", G_CALLBACK (gtk_widget_destroy), dialog);
    g_signal_connect_swapped (G_OBJECT (dialog), "response", G_CALLBACK (gtk_widget_destroy), dialog);
    gtk_widget_show_all (dialog);

    return;
}
/******************************************************************************/
GtkWidget*
utils_get_scaled_image_from_file (const gchar *file_name, int size) {
    GdkPixbuf *pixbuf   = gdk_pixbuf_new_from_file_at_size (file_name,
                                                            size,
                                                            size,
                                                            NULL);
        if (pixbuf == NULL) return NULL;

        GtkWidget *icon = gtk_image_new_from_pixbuf (pixbuf);
        g_object_unref (pixbuf);
        return icon;
}
/******************************************************************************/
GSList *
g_slist_swap_data (GSList *list, guint index) {
    gpointer tmp   = NULL;
    GSList *first  = g_slist_nth (list, index);
    GSList *second = first->next;

    tmp = first->data;
    first->data  = second->data;
    second->data = tmp;
    return list;
}
/******************************************************************************/
gchar*
utils_escape_str (const gchar *str, const gchar *old_token, const gchar *new_token) {
    gchar **tokens = g_strsplit (str, old_token, 0);
    gchar *escaped_str = g_strjoinv (new_token, tokens);
    g_strfreev (tokens);
    return escaped_str;
}
/******************************************************************************/
gchar**
g_strv_new (guint size) {
    gchar **strv = g_new0 (gchar*, size + 1);
    strv[size] = NULL;
    return strv;
}
/******************************************************************************/

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