zenity/src/text.c
Philippe Gauthier 1570a2bbf0 Use g_timeout_add_seconds instead g_timeout_add
The calls to g_timeout_add are replaced with g_timeout_add_seconds to
reduce the number or program wake ups. See the GNOME Goal description:
http://live.gnome.org/GnomeGoals/UseTimeoutAddSeconds
2010-05-27 20:49:45 -03:00

187 lines
5.2 KiB
C

/*
* text.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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Authors: Glynn Foster <glynn.foster@sun.com>
*/
#include "config.h"
#include "zenity.h"
#include "util.h"
static ZenityTextData *zen_text_data;
static void zenity_text_dialog_response (GtkWidget *widget, int response, gpointer data);
static gboolean
zenity_text_handle_stdin (GIOChannel *channel,
GIOCondition condition,
gpointer data)
{
static GtkTextBuffer *buffer;
gchar buf[1024];
gsize len;
buffer = GTK_TEXT_BUFFER (data);
if ((condition & G_IO_IN) || (condition & (G_IO_IN | G_IO_HUP))) {
GError *error = NULL;
gint status;
while (channel->is_readable != TRUE)
;
do {
status = g_io_channel_read_chars (channel, buf, 1024, &len, &error);
while (gtk_events_pending ())
gtk_main_iteration ();
} while (status == G_IO_STATUS_AGAIN);
if (status != G_IO_STATUS_NORMAL) {
if (error) {
g_warning ("zenity_text_handle_stdin () : %s", error->message);
g_error_free (error);
error = NULL;
}
return FALSE;
}
if (len > 0) {
GtkTextIter end;
gchar *utftext;
gsize localelen;
gsize utflen;
gtk_text_buffer_get_end_iter (buffer, &end);
if (!g_utf8_validate (buf, len, NULL)) {
utftext = g_convert_with_fallback (buf, len, "UTF-8", "ISO-8859-1", NULL, &localelen, &utflen, NULL);
gtk_text_buffer_insert (buffer, &end, utftext, utflen);
g_free (utftext);
} else {
gtk_text_buffer_insert (buffer, &end, buf, len);
}
}
}
return TRUE;
}
static void
zenity_text_fill_entries_from_stdin (GtkTextBuffer *text_buffer)
{
GIOChannel *channel;
channel = g_io_channel_unix_new (0);
g_io_channel_set_encoding (channel, NULL, NULL);
g_io_channel_set_flags (channel, G_IO_FLAG_NONBLOCK, NULL);
g_io_add_watch (channel, G_IO_IN | G_IO_HUP, zenity_text_handle_stdin, text_buffer);
}
void
zenity_text (ZenityData *data, ZenityTextData *text_data)
{
GtkBuilder *builder;
GtkWidget *dialog;
GObject *text_view;
GtkTextBuffer *text_buffer;
zen_text_data = text_data;
builder = zenity_util_load_ui_file ("zenity_text_dialog",
"textbuffer1", NULL);
if (builder == NULL) {
data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
return;
}
gtk_builder_connect_signals (builder, NULL);
dialog = GTK_WIDGET (gtk_builder_get_object (builder, "zenity_text_dialog"));
g_signal_connect (G_OBJECT (dialog), "response",
G_CALLBACK (zenity_text_dialog_response), data);
if (data->dialog_title)
gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);
zenity_util_set_window_icon (dialog, data->window_icon, ZENITY_IMAGE_FULLPATH ("zenity-text.png"));
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
text_buffer = gtk_text_buffer_new (NULL);
text_view = gtk_builder_get_object (builder, "zenity_text_view");
gtk_text_view_set_buffer (GTK_TEXT_VIEW (text_view), text_buffer);
gtk_text_view_set_editable (GTK_TEXT_VIEW(text_view), text_data->editable);
if (text_data->uri)
zenity_util_fill_file_buffer (text_buffer, text_data->uri);
else
zenity_text_fill_entries_from_stdin (GTK_TEXT_BUFFER (text_buffer));
if (text_data->editable)
zen_text_data->buffer = text_buffer;
if (data->width > -1 || data->height > -1)
gtk_window_set_default_size (GTK_WINDOW (dialog), data->width, data->height);
else
gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 400);
zenity_util_show_dialog (dialog);
g_object_unref (builder);
if(data->timeout_delay > 0) {
g_timeout_add_seconds (data->timeout_delay, (GSourceFunc) zenity_util_timeout_handle, NULL);
}
gtk_main ();
}
static void
zenity_text_dialog_response (GtkWidget *widget, int response, gpointer data)
{
ZenityData *zen_data = data;
switch (response) {
case GTK_RESPONSE_CLOSE:
if (zen_text_data->editable) {
GtkTextIter start, end;
gchar *text;
gtk_text_buffer_get_bounds (zen_text_data->buffer, &start, &end);
text = gtk_text_buffer_get_text (zen_text_data->buffer, &start, &end, 0);
g_print ("%s", text);
g_free (text);
}
zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
break;
default:
/* Esc dialog */
zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
break;
}
gtk_main_quit ();
}