2000-12-26 19:41:33 +00:00
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/* -*- mode: c; style: linux -*- */
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/* capplet-dir-view-html.c
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* Copyright (C) 2000 Helix Code, Inc.
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*
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* Written by Jacob Berkman <jacob@helixcode.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include <config.h>
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#include <gtkhtml/gtkhtml.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "capplet-dir-view.h"
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2001-01-24 20:26:38 +00:00
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typedef struct {
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GtkHTML *top;
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2001-07-19 03:16:35 +00:00
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GtkHTML *sidebar;
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2001-01-24 20:26:38 +00:00
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GtkHTML *main;
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2001-07-19 16:39:02 +00:00
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CappletDir *root_dir;
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int icon_cols;
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gboolean only_update_main;
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2001-01-24 20:26:38 +00:00
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} HtmlViewData;
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2000-12-26 19:41:33 +00:00
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static void
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html_clear (CappletDirView *view)
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{
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2001-01-24 20:26:38 +00:00
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HtmlViewData *data;
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data = view->view_data;
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2000-12-26 19:41:33 +00:00
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2001-01-24 20:26:38 +00:00
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gtk_html_load_empty (data->top);
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gtk_html_load_empty (data->main);
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2000-12-26 19:41:33 +00:00
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}
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static void
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html_clean (CappletDirView *view)
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{
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2001-01-24 20:26:38 +00:00
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/* gtk_widget_unparent (view->view); */
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g_free (view->view_data);
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view->view_data = NULL;
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2000-12-26 19:41:33 +00:00
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}
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#define BUFLEN 4096
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static void
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handle_url_cb (GtkHTML *html, const gchar *url, GtkHTMLStream *stream, CappletDirView *view)
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{
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char buf[BUFLEN];
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int fd;
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ssize_t s;
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fd = open (url, O_RDONLY);
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if (fd == -1)
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goto loading_error;
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while (1) {
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s = read (fd, buf, BUFLEN);
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switch (s) {
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case -1:
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if (! (errno == EINTR || errno == EAGAIN) )
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goto loading_error;
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break;
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case 0:
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gtk_html_end (html, stream, GTK_HTML_STREAM_OK);
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return;
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default:
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gtk_html_write (html, stream, buf, s);
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break;
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}
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}
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return;
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loading_error:
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gtk_html_end (html, stream, GTK_HTML_STREAM_ERROR);
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}
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#undef BUFLEN
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static void
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handle_link_cb (GtkHTML *html, const gchar *url, CappletDirView *view)
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{
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CappletDirEntry *entry;
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entry = capplet_lookup (url);
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if (entry)
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capplet_dir_entry_activate (entry, view);
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}
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static void
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write_parent_html (CappletDir *dir, GtkHTML *html, GtkHTMLStream *stream)
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{
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char *s;
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if (!dir)
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return;
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g_return_if_fail (html != NULL);
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g_return_if_fail (stream != NULL);
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write_parent_html (dir->entry.dir, html, stream);
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s = g_strdup_printf ("%s <a href=\"%s\">%s</a>", dir->entry.dir ? " |" : "",
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dir->entry.path, dir->entry.label);
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gtk_html_write (html, stream, s, strlen (s));
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g_free (s);
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}
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2001-07-19 03:16:35 +00:00
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static gboolean save_cb (gpointer engine, gchar *data, guint len, gpointer user_data)
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{
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fprintf (user_data, data);
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}
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2001-01-24 20:26:38 +00:00
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static void
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header_populate (CappletDirView *view)
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{
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GtkHTMLStream *stream;
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HtmlViewData *data;
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char *s;
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data = view->view_data;
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stream = gtk_html_begin (data->top);
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2001-07-19 03:16:35 +00:00
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s = g_strdup_printf (
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"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">"
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"<html>"
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"<head>"
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"</head>"
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"<body background=\"" ART_DIR "/bcg_top.png\" marginheight=\"0\" marginwidth=\"0\">"
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"<table border=\"0\" width=\"100%%\" cellspacing=\"0\" cellpadding=\"0\"><tr valign=\"center\"><td width=\"48\"><img src=\"" ART_DIR "/title.png\" alt=\"\" width=\"48\" height=\"48\"></td>"
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"<td><b><font face=\"Trebuchet MS CE,Trebuchet MS, Verdana CE, Verdana, Sans-Serif CE, Sans-Serif\" color=\"white\" size=\"+2\">%s </font></b><font face=\"Trebuchet MS CE,Trebuchet MS, Verdana CE, Verdana, Sans-Serif CE, Sans-Serif\" color=\"white\" align=\"left\" valign=\"center\">%s</font></td></tr></table>"
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"</body></html>",
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_("GNOME Control Center:"), CAPPLET_DIR_ENTRY (view->capplet_dir)->label);
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2001-01-24 20:26:38 +00:00
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gtk_html_write (data->top, stream, s, strlen (s));
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2001-07-19 03:16:35 +00:00
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g_free (s);
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2001-01-24 20:26:38 +00:00
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gtk_html_end (data->top, stream, GTK_HTML_STREAM_OK);
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}
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2001-07-20 01:40:01 +00:00
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static int
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total_num_items (GSList *items)
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{
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GSList *l;
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CappletDirEntry *entry;
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int num = 0;
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for (l = items; l != NULL; l = l->next)
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{
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entry = CAPPLET_DIR_ENTRY (l->data);
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if (entry->type == TYPE_CAPPLET_DIR)
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{
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num += total_num_items (CAPPLET_DIR (entry)->entries);
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continue;
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}
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else
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num++;
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}
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return num;
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}
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2000-12-26 19:41:33 +00:00
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static void
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2001-07-19 03:16:35 +00:00
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sidebar_populate (CappletDirView *view)
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2000-12-26 19:41:33 +00:00
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{
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GtkHTMLStream *stream;
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2001-07-19 03:16:35 +00:00
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HtmlViewData *data;
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2000-12-26 19:41:33 +00:00
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CappletDirEntry *entry;
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GSList *item;
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char *s;
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2001-01-24 20:26:38 +00:00
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data = view->view_data;
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2001-07-20 01:40:01 +00:00
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2001-07-19 03:16:35 +00:00
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stream = gtk_html_begin (data->sidebar);
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s = g_strdup_printf (
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"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">"
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"<html>"
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"<head>"
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"</head>"
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2001-07-25 00:36:48 +00:00
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//"<body bgcolor=\"#AAAAAA\" marginheight=\"0\" marginwidth=\"0\">"
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2001-07-19 03:16:35 +00:00
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"<body bgcolor=\"#d9d9d9\" marginheight=\"0\" marginwidth=\"0\">"
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"<table border=\"0\" width=\"100%%\" cellspacing=\"1\" cellpadding=\"4\">"
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"<tr><td colspan=\"3\"> </td></tr>"
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"<tr valign=\"center\"><td width=\"48\"><a href=\"%s\"><img src=\"%s\" alt=\"\" border=\"0\" align=\"center\"/></a></td><td><a href=\"%s\"><b>%s</b></a></td><td width=\"8\"><img src=\"%s\" alt=\"\" border=\"0\" align=\"right\"></tr>", CAPPLET_DIR_ENTRY (data->root_dir)->path, CAPPLET_DIR_ENTRY (data->root_dir)->icon, CAPPLET_DIR_ENTRY (data->root_dir)->path, CAPPLET_DIR_ENTRY (data->root_dir)->label, (data->root_dir == view->capplet_dir) ? ART_DIR "/active.png" : ART_DIR "/blank.png");
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gtk_html_write (data->sidebar, stream, s, strlen (s));
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g_free (s);
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for (item = data->root_dir->entries; item; item = item->next) {
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entry = CAPPLET_DIR_ENTRY (item->data);
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if (entry->type != TYPE_CAPPLET_DIR)
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continue;
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2001-07-20 01:40:01 +00:00
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if (total_num_items (CAPPLET_DIR (entry)->entries) < 1)
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continue;
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2001-07-19 03:16:35 +00:00
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s = g_strdup_printf ("<tr valign=\"center\"><td width=\"48\"><a href=\"%s\"><img src=\"%s\" alt=\"\" border=\"0\" align=\"center\"/></a></td><td><a href=\"%s\"><b>%s</b></a></td><td width=\"8\"><img src=\"%s\" alt=\"\" border=\"0\" align=\"center\"></tr>", entry->path, entry->icon, entry->path, entry->label, (CAPPLET_DIR (entry) == view->capplet_dir) ? ART_DIR "/active.png" : ART_DIR "/blank.png");
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gtk_html_write (data->sidebar, stream, s, strlen (s));
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g_free (s);
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}
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s =
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"</table></html>";
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gtk_html_write (data->sidebar, stream, s, strlen (s));
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}
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2000-12-26 19:41:33 +00:00
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2001-07-19 03:16:35 +00:00
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/* Write a row of up to 4 items and return a pointer to the next 4 */
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static GSList*
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2001-07-19 16:39:02 +00:00
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html_write_row (GtkHTML *html, GtkHTMLStream *stream, GSList *list, int the_max)
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2001-07-19 03:16:35 +00:00
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{
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CappletDirEntry *entry;
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int i;
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char *s;
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GSList *item;
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g_return_val_if_fail (list != NULL, NULL);
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2000-12-26 19:41:33 +00:00
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2001-07-19 21:11:06 +00:00
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s = g_strdup_printf ("<tr><td colspan=\"%i\"><img src=\"" ART_DIR "/blank.png\" height=\"16\" width=\"100%%\"></td></tr><tr><td><img src=\"" ART_DIR "/blank.png\" height=\"1\" width=\"8\"></td>", the_max * 2 + 1);
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gtk_html_write (html, stream, s, strlen (s));
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g_free (s);
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2001-07-19 03:16:35 +00:00
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i = 0;
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for (item = list; item; item = item->next) {
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entry = CAPPLET_DIR_ENTRY (item->data);
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if (entry->type != TYPE_CAPPLET)
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continue;
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s = g_strdup_printf ("<td><center><a href=\"%s\"><img src=\"%s\" alt=\"\" border=\"0\" align=\"center\"/></a></center></td><td><img src=\"" ART_DIR "/blank.png\" height=\"1\" width=\"8\"></td>", entry->path, entry->icon);
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gtk_html_write (html, stream, s, strlen (s));
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g_free (s);
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2000-12-26 19:41:33 +00:00
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2001-07-19 03:16:35 +00:00
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/* Control. Can't go in for-decl because it would inc in all
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* cases, including the skipped directories. */
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i++;
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if (!(i < the_max))
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break;
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}
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2000-12-26 19:41:33 +00:00
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2001-07-19 03:16:35 +00:00
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s = "</tr><tr><td><img src=\"" ART_DIR "/blank.png\" height=\"1\" width=\"8\"></td>";
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gtk_html_write (html, stream, s, strlen (s));
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i = 0;
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for (item = list; item; item = item->next) {
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2000-12-26 19:41:33 +00:00
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entry = CAPPLET_DIR_ENTRY (item->data);
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2001-07-19 03:16:35 +00:00
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if (entry->type != TYPE_CAPPLET)
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continue;
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s = g_strdup_printf ("<td><center><a href=\"%s\">%s</a></center></td><td><img src=\"" ART_DIR "/blank.png\" height=\"1\" width=\"8\"></td>", entry->path, entry->label);
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gtk_html_write (html, stream, s, strlen (s));
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2000-12-26 19:41:33 +00:00
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g_free (s);
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2001-07-19 03:16:35 +00:00
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i++;
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if (!(i < the_max))
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{
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item = item->next;
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break;
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2000-12-26 19:41:33 +00:00
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}
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}
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2001-07-19 21:11:06 +00:00
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s = "tr>\n";
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2001-07-19 03:16:35 +00:00
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gtk_html_write (html, stream, s, strlen (s));
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return item;
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}
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static void
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html_populate (CappletDirView *view)
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{
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HtmlViewData *data;
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GtkHTMLStream *stream;
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GSList *item;
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char *s;
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data = view->view_data;
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if (!data->root_dir)
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data->root_dir = view->capplet_dir;
|
|
|
|
|
|
2001-07-19 16:39:02 +00:00
|
|
|
if (!data->only_update_main)
|
|
|
|
|
{
|
|
|
|
|
header_populate (view);
|
|
|
|
|
sidebar_populate (view);
|
|
|
|
|
}
|
2001-07-19 03:16:35 +00:00
|
|
|
|
|
|
|
|
stream = gtk_html_begin (data->main);
|
|
|
|
|
|
|
|
|
|
s =
|
|
|
|
|
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">"
|
|
|
|
|
"<html>"
|
|
|
|
|
"<head>"
|
|
|
|
|
"</head>"
|
|
|
|
|
"<body marginheight=\"0\" marginwidth=\"0\">"
|
|
|
|
|
"<table border=\"0\" width=\"100%%\" cellspacing=\"0\" cellpadding=\"0\">";
|
|
|
|
|
gtk_html_write (data->main, stream, s, strlen (s));
|
|
|
|
|
|
|
|
|
|
/* write_parent_html (view->capplet_dir->entry.dir, data->main, stream); */
|
|
|
|
|
|
|
|
|
|
for (item = view->capplet_dir->entries; item; )
|
|
|
|
|
{
|
2001-07-19 16:39:02 +00:00
|
|
|
item = html_write_row (data->main, stream, item, data->icon_cols);
|
2001-07-19 03:16:35 +00:00
|
|
|
}
|
|
|
|
|
|
2001-07-19 21:11:06 +00:00
|
|
|
s = g_strdup_printf ("<tr><td colspan=\"%i\"><img src=\"" ART_DIR "/blank.png\" height=\"16\" width=\"100%%\"></td></tr>", data->icon_cols * 2 + 1);
|
|
|
|
|
gtk_html_write (data->main, stream, s, strlen (s));
|
|
|
|
|
g_free (s);
|
|
|
|
|
|
2000-12-26 19:41:33 +00:00
|
|
|
s =
|
|
|
|
|
" </table>\n"
|
|
|
|
|
" </body>\n"
|
|
|
|
|
"</html>\n";
|
2001-01-24 20:26:38 +00:00
|
|
|
gtk_html_write (data->main, stream, s, strlen (s));
|
2000-12-26 19:41:33 +00:00
|
|
|
|
2001-01-24 20:26:38 +00:00
|
|
|
gtk_html_end (data->main, stream, GTK_HTML_STREAM_OK);
|
2001-07-19 03:16:35 +00:00
|
|
|
// gtk_widget_set_usize (GTK_WIDGET (data->main), html_engine_calc_min_width (data->main->engine), 0);
|
|
|
|
|
// g_print ("%i\n", html_engine_calc_min_width (data->main->engine));
|
2000-12-26 19:41:33 +00:00
|
|
|
}
|
|
|
|
|
|
2001-07-19 16:39:02 +00:00
|
|
|
static void
|
|
|
|
|
main_allocate_cb (GtkWidget *widget, GtkAllocation *allocation, CappletDirView *view)
|
|
|
|
|
{
|
|
|
|
|
int new_cols = allocation->width / 64 - 1;
|
|
|
|
|
HtmlViewData *data = view->view_data;
|
|
|
|
|
if (new_cols != data->icon_cols)
|
|
|
|
|
{
|
|
|
|
|
data->icon_cols = new_cols;
|
|
|
|
|
data->only_update_main = TRUE;
|
|
|
|
|
html_populate (view);
|
|
|
|
|
data->only_update_main = FALSE;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2000-12-26 19:41:33 +00:00
|
|
|
static GtkWidget *
|
|
|
|
|
html_create (CappletDirView *view)
|
2001-01-24 20:26:38 +00:00
|
|
|
{
|
|
|
|
|
GtkWidget *vbox;
|
2001-07-19 03:16:35 +00:00
|
|
|
GtkWidget *hbox;
|
2001-01-24 20:26:38 +00:00
|
|
|
HtmlViewData *data;
|
|
|
|
|
GtkWidget *sw;
|
|
|
|
|
|
|
|
|
|
data = g_new (HtmlViewData, 1);
|
|
|
|
|
view->view_data = data;
|
|
|
|
|
|
2001-07-19 03:16:35 +00:00
|
|
|
data->root_dir = NULL;
|
2001-07-19 16:39:02 +00:00
|
|
|
data->icon_cols = 3;
|
|
|
|
|
data->only_update_main = FALSE;
|
2001-01-24 20:26:38 +00:00
|
|
|
|
2001-07-19 03:16:35 +00:00
|
|
|
vbox = gtk_vbox_new (FALSE, 0);
|
2001-01-24 20:26:38 +00:00
|
|
|
/* top widget */
|
|
|
|
|
data->top = GTK_HTML (gtk_html_new ());
|
|
|
|
|
sw = gtk_scrolled_window_new (NULL, NULL);
|
|
|
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
|
|
|
|
|
GTK_POLICY_NEVER,
|
|
|
|
|
GTK_POLICY_NEVER);
|
|
|
|
|
gtk_container_add (GTK_CONTAINER (sw), GTK_WIDGET (data->top));
|
2001-07-19 03:16:35 +00:00
|
|
|
gtk_widget_set_usize (GTK_WIDGET (data->top), 0, 48);
|
2001-01-24 20:26:38 +00:00
|
|
|
gtk_box_pack_start (GTK_BOX (vbox), sw, FALSE, FALSE, 0);
|
|
|
|
|
|
2001-07-19 03:16:35 +00:00
|
|
|
hbox = gtk_hbox_new (FALSE, 0);
|
|
|
|
|
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
|
|
|
|
|
|
|
|
|
|
/* sidebar */
|
|
|
|
|
data->sidebar = GTK_HTML (gtk_html_new ());
|
|
|
|
|
sw = gtk_scrolled_window_new (NULL, NULL);
|
|
|
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
|
|
|
|
|
GTK_POLICY_NEVER,
|
|
|
|
|
GTK_POLICY_AUTOMATIC);
|
|
|
|
|
gtk_container_add (GTK_CONTAINER (sw), GTK_WIDGET (data->sidebar));
|
2001-07-25 04:25:15 +00:00
|
|
|
gtk_widget_set_usize (GTK_WIDGET (data->sidebar), 140, 0);
|
2001-07-19 03:16:35 +00:00
|
|
|
gtk_box_pack_start (GTK_BOX (hbox), sw, FALSE, FALSE, 0);
|
|
|
|
|
|
2001-01-24 20:26:38 +00:00
|
|
|
/* main widget */
|
|
|
|
|
data->main = GTK_HTML (gtk_html_new ());
|
|
|
|
|
sw = gtk_scrolled_window_new (NULL, NULL);
|
|
|
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
|
|
|
|
|
GTK_POLICY_NEVER,
|
2001-07-19 03:16:35 +00:00
|
|
|
GTK_POLICY_ALWAYS);
|
2001-01-24 20:26:38 +00:00
|
|
|
gtk_container_add (GTK_CONTAINER (sw), GTK_WIDGET (data->main));
|
2001-07-19 03:16:35 +00:00
|
|
|
gtk_box_pack_start (GTK_BOX (hbox), sw, TRUE, TRUE, 0);
|
|
|
|
|
|
2001-01-24 20:26:38 +00:00
|
|
|
gtk_signal_connect (GTK_OBJECT (data->top), "url_requested",
|
|
|
|
|
GTK_SIGNAL_FUNC (handle_url_cb), view);
|
2000-12-26 19:41:33 +00:00
|
|
|
|
2001-07-19 03:16:35 +00:00
|
|
|
gtk_signal_connect (GTK_OBJECT (data->sidebar), "url_requested",
|
|
|
|
|
GTK_SIGNAL_FUNC (handle_url_cb), view);
|
|
|
|
|
|
2001-01-24 20:26:38 +00:00
|
|
|
gtk_signal_connect (GTK_OBJECT (data->main), "url_requested",
|
2000-12-26 19:41:33 +00:00
|
|
|
GTK_SIGNAL_FUNC (handle_url_cb), view);
|
|
|
|
|
|
2001-07-19 03:16:35 +00:00
|
|
|
gtk_signal_connect (GTK_OBJECT (data->sidebar), "link_clicked",
|
|
|
|
|
GTK_SIGNAL_FUNC (handle_link_cb), view);
|
|
|
|
|
|
2001-01-24 20:26:38 +00:00
|
|
|
gtk_signal_connect (GTK_OBJECT (data->main), "link_clicked",
|
2000-12-26 19:41:33 +00:00
|
|
|
GTK_SIGNAL_FUNC (handle_link_cb), view);
|
|
|
|
|
|
2001-07-19 16:39:02 +00:00
|
|
|
gtk_signal_connect (GTK_OBJECT (data->main), "size_allocate",
|
|
|
|
|
GTK_SIGNAL_FUNC (main_allocate_cb), view);
|
|
|
|
|
|
2001-07-19 21:11:06 +00:00
|
|
|
gtk_html_allow_selection (data->top, FALSE);
|
|
|
|
|
gtk_html_allow_selection (data->sidebar, FALSE);
|
|
|
|
|
gtk_html_allow_selection (data->main, FALSE);
|
|
|
|
|
|
2001-01-24 20:26:38 +00:00
|
|
|
gtk_widget_show_all (vbox);
|
|
|
|
|
return vbox;
|
2000-12-26 19:41:33 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CappletDirViewImpl capplet_dir_view_html = {
|
|
|
|
|
html_clear,
|
|
|
|
|
html_clean,
|
|
|
|
|
html_populate,
|
|
|
|
|
html_create
|
|
|
|
|
};
|
