gint
gtk_html_stream_vprintf (GtkHTMLStream *stream,
const gchar *format,
va_list ap)
{
gsize len;
gchar *buf = NULL;
gchar *mbuf = NULL;
gchar *result_string = NULL;
gint rv;
va_list ap_copy;
G_VA_COPY (ap_copy, ap);
result_string = g_strdup_vprintf (format, ap_copy);
g_return_val_if_fail (result_string != NULL, 0);
len = strlen (result_string) + 1;
g_free (result_string);
if (len < 8192)
buf = alloca (len);
if (buf == NULL)
buf = mbuf = g_malloc (len);
rv = vsprintf (buf, format, ap);
gtk_html_stream_write (stream, buf, rv);
g_free (mbuf);
return rv;
}
static void
on_html_http_url_requested_disconnect (C2Request *request, C2NetObjectByte *byte, gboolean success, C2Pthread2 *data)
{
GtkHTMLStream *stream = data->v2;
gtk_html_stream_write (stream, request->source, request->got_size);
gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
}
static void
on_html_http_link_clicked_disconnect (C2Request *request, gboolean success, C2Pthread3 *data)
{
GtkHTML *html = GTK_HTML (data->v1);
GtkHTMLStream *stream = data->v3;
const gchar *ptr;
gint length = request->got_size;
ptr = (request->source+request->got_size)-length;
gtk_html_stream_write (stream, request->source, request->got_size);
gtk_html_end (html, stream, success ? GTK_HTML_STREAM_OK : GTK_HTML_STREAM_ERROR);
}
static void
stream_log_write (GtkHTMLStream *stream,
const gchar *buffer,
gsize size,
gpointer user_data)
{
GtkHTMLLog *log = user_data;
gint i;
for (i=0; i<size; i++)
fprintf (log->file, "%c", buffer [i]);
gtk_html_stream_write (log->stream, buffer, size);
}
static void
on_html_c2dist_url_requested (C2Pthread2 *data)
{
GtkHTMLStream *stream;
gchar *file, *path;
gint length;
path = g_strdup_printf (PKGDATADIR G_DIR_SEPARATOR_S "%s", ((gchar *) data->v1)+9);
length = c2_get_file (path, &file);
g_free (path);
if (length < 0)
return;
stream = (GtkHTMLStream *) data->v2;
gtk_html_stream_write (stream, file, length);
g_free (file);
}
static void gtkhtml_url_requested_cb (GtkHTML *html, const gchar *url, GtkHTMLStream *stream)
{ // to load images (and possibly other external embed files)
FILE *file = fopen (url, "rb");
if (!file) {
g_warning ("Error: couldn't open file '%s'\n", url);
return;
}
fseek (file, 0, SEEK_END);
size_t file_size = ftell (file);
rewind (file);
gboolean error;
gchar *data = g_new (gchar, file_size);
error = fread (data, 1, file_size, file) < file_size;
fclose (file);
if (!error)
gtk_html_stream_write (stream, data, file_size);
g_free (data);
}
static void
view_source_dialog(GtkhtmlEditor *editor,
const gchar *title,
const gchar *content_type, gboolean show_output)
{
GtkWidget *dialog;
GtkWidget *content;
GtkWidget *scrolled_window;
GString *string;
dialog = gtk_dialog_new_with_buttons(title, GTK_WINDOW(editor),
GTK_DIALOG_DESTROY_WITH_PARENT,
#ifdef HAVE_GTK_310
"_Close", GTK_RESPONSE_CLOSE,
#else
GTK_STOCK_CLOSE,
GTK_RESPONSE_CLOSE,
#endif
NULL);
scrolled_window = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window),
GTK_SHADOW_IN);
gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), scrolled_window, TRUE,
TRUE, 0);
gtk_container_set_border_width(GTK_CONTAINER(dialog), 6);
gtk_container_set_border_width(GTK_CONTAINER(scrolled_window), 6);
gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 300);
string = g_string_sized_new(4096);
gtk_html_export(gtkhtml_editor_get_html(editor),
content_type, (GtkHTMLSaveReceiverFn)
view_source_dialog_receiver,
string);
if (show_output) {
GtkHTMLStream *stream;
content = gtk_html_new();
stream = gtk_html_begin(GTK_HTML(content));
gtk_html_stream_write(stream, string->str, string->len);
gtk_html_stream_close(stream, GTK_HTML_STREAM_OK);
} else {
GtkTextBuffer *buffer;
content = gtk_text_view_new();
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(content));
gtk_text_buffer_set_text(buffer, string->str, string->len);
gtk_text_view_set_editable(GTK_TEXT_VIEW(content), FALSE);
}
g_string_free(string, TRUE);
gtk_container_add(GTK_CONTAINER(scrolled_window), content);
gtk_widget_show_all(scrolled_window);
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
}
