zenity/src/util.c

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2003-01-03 13:26:04 +00:00
/*
* util.c
*
* Copyright (C) 2002 Sun Microsystems, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Glynn Foster <glynn.foster@sun.com>
* Havoc Pennington <hp@redhat.com>
*/
#include <stdio.h>
#include <errno.h>
#include "config.h"
#include "util.h"
GladeXML*
zenity_util_load_glade_file (const gchar *widget_root)
{
GladeXML *xml = NULL;
if (g_file_test (ZENITY_GLADE_FILE_RELATIVEPATH,
G_FILE_TEST_EXISTS)) {
/* Try current dir, for debugging */
xml = glade_xml_new (ZENITY_GLADE_FILE_RELATIVEPATH, widget_root, GETTEXT_PACKAGE);
}
if (xml == NULL)
xml = glade_xml_new (ZENITY_GLADE_FILE_FULLPATH, widget_root, GETTEXT_PACKAGE);
if (xml == NULL) {
g_warning ("Could not load glade file : %s", ZENITY_GLADE_FILE_FULLPATH);
return NULL;
}
return xml;
}
gboolean
zenity_util_fill_file_buffer (GtkTextBuffer *buffer, const gchar *filename)
{
GtkTextIter iter, end;
FILE* f;
gchar buf[2048];
gint remaining = 0;
if (filename == NULL)
return FALSE;
f = fopen (filename, "r");
if (f == NULL) {
g_warning ("Cannot open file '%s': %s", filename, g_strerror (errno));
return FALSE;
}
gtk_text_buffer_get_iter_at_offset (buffer, &iter, 0);
while (!feof (f)) {
gint count;
const char *leftover;
int to_read = 2047 - remaining;
count = fread (buf + remaining, 1, to_read, f);
buf[count + remaining] = '\0';
g_utf8_validate (buf, count + remaining, &leftover);
g_assert (g_utf8_validate (buf, leftover - buf, NULL));
gtk_text_buffer_insert (buffer, &iter, buf, leftover - buf);
remaining = (buf + remaining + count) - leftover;
g_memmove (buf, leftover, remaining);
if (remaining > 6 || count < to_read)
break;
}
if (remaining) {
g_warning ("Invalid UTF-8 data encountered reading file '%s'", filename);
return FALSE;
}
/* We had a newline in the buffer to begin with. (The buffer always contains
* a newline, so we delete to the end of the buffer to clean up.
*/
gtk_text_buffer_get_end_iter (buffer, &end);
gtk_text_buffer_delete (buffer, &iter, &end);
gtk_text_buffer_set_modified (buffer, FALSE);
return TRUE;
}
static GList *
zenity_util_list_from_char_array (const char **s)
{
GList *list = NULL;
gint i;
for (i = 0; s[i]; i++) {
GdkPixbuf *pixbuf;
pixbuf = gdk_pixbuf_new_from_file (s[i], NULL);
if (pixbuf)
list = g_list_prepend (list, pixbuf);
}
return list;
}
static void
zenity_util_free_list (GList *list)
{
g_list_foreach (list, (GFunc) g_object_unref, NULL);
g_list_free (list);
}
void
zenity_util_set_window_icon (GtkWidget *widget, const gchar *filename)
{
const gchar *filenames[2] = { NULL};
GList *list;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
if (filename == NULL)
return;
filenames[0] = filename;
list = zenity_util_list_from_char_array (filenames);
gtk_window_set_icon_list (GTK_WINDOW (widget), list);
zenity_util_free_list (list);
}
void
zenity_util_set_window_icon_from_stock (GtkWidget *widget, const gchar *stock_id)
{
GdkPixbuf *pixbuf;
pixbuf = gtk_widget_render_icon (widget, stock_id, (GtkIconSize) -1, NULL);
gtk_window_set_icon (GTK_WINDOW (widget), pixbuf);
g_object_unref (pixbuf);
}