slackbuilds_ponce/desktop/yad/notification.c.r158

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/*
* This file is part of YAD.
*
* YAD 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 3 of the License, or
* (at your option) any later version.
*
* YAD 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 YAD; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Copyright (C) 2008-2010, Victor Ananjevsky <ananasik@gmail.com>
*
*/
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "yad.h"
typedef struct {
gchar *name;
gchar *action;
} MenuData;
static GtkStatusIcon *status_icon;
static gchar *icon = NULL;
static gchar *action = NULL;
static GSList *menu_data;
static gint exit_code;
static gint icon_size;
static void
timeout_cb (gpointer data)
{
exit_code = YAD_RESPONSE_TIMEOUT;
gtk_main_quit ();
}
static void
set_icon (void)
{
GdkPixbuf *pixbuf;
GError *err = NULL;
if (icon == NULL)
{
gtk_status_icon_set_from_icon_name (status_icon, "yad");
return;
}
if (g_file_test (icon, G_FILE_TEST_EXISTS))
{
pixbuf =
gdk_pixbuf_new_from_file_at_scale (icon, icon_size, icon_size,
TRUE, &err);
if (err)
{
g_printerr (_("Could not load notification icon '%s': %s"),
icon, err->message);
g_clear_error (&err);
}
if (pixbuf)
{
gtk_status_icon_set_from_pixbuf (status_icon, pixbuf);
g_object_unref (pixbuf);
}
else
gtk_status_icon_set_from_icon_name (status_icon, "yad");
}
else
gtk_status_icon_set_from_icon_name (status_icon, icon);
}
static gboolean
icon_size_changed_cb (GtkStatusIcon * icon, gint size, gpointer data)
{
icon_size = size;
set_icon ();
return TRUE;
}
static gboolean
activate_cb (GtkWidget * widget, YadData * data)
{
if (action == NULL || g_ascii_strcasecmp (action, "quit") == 0)
{
exit_code = YAD_RESPONSE_OK;
gtk_main_quit ();
}
else
g_spawn_command_line_async (action, NULL);
return TRUE;
}
static gboolean
middle_quit_cb (GtkStatusIcon * icon, GdkEventButton * ev,
gpointer data)
{
if (ev->button == 2)
{
exit_code = YAD_RESPONSE_ESC;
gtk_main_quit ();
}
return FALSE;
}
static void
popup_menu_item_activate_cb (GtkWidget * w, gpointer data)
{
gchar *cmd = (gchar *) data;
if (g_ascii_strcasecmp (cmd, "quit") == 0)
{
exit_code = YAD_RESPONSE_OK;
gtk_main_quit ();
}
else
g_spawn_command_line_async (cmd, NULL);
}
static void
popup_menu_cb (GtkStatusIcon * icon, guint button,
guint activate_time, gpointer data)
{
GtkWidget *menu;
GtkWidget *item;
int i;
g_return_if_fail (menu_data != NULL);
menu = gtk_menu_new ();
for (i = 0; i < g_slist_length (menu_data); i++)
{
MenuData *d = (MenuData *) g_slist_nth_data (menu_data, i);
if (d->name)
{
item = gtk_menu_item_new_with_label (d->name);
g_signal_connect (GTK_MENU_ITEM (item), "activate",
G_CALLBACK (popup_menu_item_activate_cb),
(gpointer) d->action);
}
else
item = gtk_separator_menu_item_new ();
gtk_widget_show (item);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
}
gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
gtk_status_icon_position_menu,
icon, button, activate_time);
}
static gboolean
handle_stdin (GIOChannel * channel,
GIOCondition condition, gpointer data)
{
if ((condition & G_IO_IN) != 0)
{
GString *string;
GError *err = NULL;
string = g_string_new (NULL);
while (channel->is_readable == FALSE) ;
do
{
gint status;
gchar *command, *value, **args;
do
{
status =
g_io_channel_read_line_string (channel, string, NULL, &err);
while (gdk_events_pending ())
gtk_main_iteration ();
}
while (status == G_IO_STATUS_AGAIN);
strip_new_line (string->str);
if (status != G_IO_STATUS_NORMAL)
{
if (err)
{
g_printerr ("yad_notification_handle_stdin(): %s\n",
err->message);
g_error_free (err);
err = NULL;
}
continue;
}
args = g_strsplit (string->str, ":", 2);
command = g_strdup (args[0]);
value = g_strdup (args[1]);
g_strfreev (args);
if (!g_ascii_strcasecmp (command, "icon"))
{
while (*value && g_ascii_isspace (*value))
value++;
g_free (icon);
icon = g_strdup (value);
if (gtk_status_icon_get_visible (status_icon) &&
gtk_status_icon_is_embedded (status_icon))
set_icon ();
}
else if (!g_ascii_strcasecmp (command, "tooltip"))
{
if (g_utf8_validate (value, -1, NULL))
{
gchar *message = g_strcompress (value);
#if GTK_CHECK_VERSION(2,16,0)
if (options.data.no_markup)
gtk_status_icon_set_tooltip_markup (status_icon, message);
else
gtk_status_icon_set_tooltip_text (status_icon, message);
#else
gtk_status_icon_set_tooltip (status_icon, message);
#endif
g_free (message);
}
else
g_printerr (_("Invalid UTF-8 in tooltip!\n"));
}
else if (!g_ascii_strcasecmp (command, "visible"))
{
#if !GTK_CHECK_VERSION(2,91,0)
if (!g_ascii_strcasecmp (value, "blink"))
{
gboolean state = gtk_status_icon_get_blinking (status_icon);
gtk_status_icon_set_blinking (status_icon, !state);
}
else
#endif
if (!g_ascii_strcasecmp (value, "false"))
gtk_status_icon_set_visible (status_icon, FALSE);
else
gtk_status_icon_set_visible (status_icon, TRUE);
}
else if (!g_ascii_strcasecmp (command, "action"))
{
g_free (action);
action = g_strdup (value);
}
else if (!g_ascii_strcasecmp (command, "quit"))
{
exit_code = YAD_RESPONSE_OK;
gtk_main_quit ();
}
else if (!g_ascii_strcasecmp (command, "menu"))
{
MenuData *mdata;
int i = 0;
gchar *s, **menu_vals = g_strsplit (value, options.common_data.separator, -1);
g_slist_free (menu_data);
menu_data = NULL;
while (menu_vals[i] != NULL)
{
mdata = g_new0 (MenuData, 1);
s = strchr (menu_vals[i], settings.menu_sep[0]);
if (s != NULL)
{
mdata->name =
g_strndup (menu_vals[i], s - menu_vals[i]);
mdata->action = g_strdup (s + 1);
}
menu_data = g_slist_append (menu_data, mdata);
i++;
}
g_strfreev (menu_vals);
}
else
g_printerr (_("Unknown command '%s'\n"), command);
g_free (command);
g_free (value);
}
while (g_io_channel_get_buffer_condition (channel) == G_IO_IN);
g_string_free (string, TRUE);
}
if ((condition & G_IO_HUP) != 0)
{
g_io_channel_shutdown (channel, TRUE, NULL);
gtk_main_quit ();
return FALSE;
}
return TRUE;
}
gint
yad_notification_run ()
{
GIOChannel *channel = NULL;
status_icon = gtk_status_icon_new ();
g_signal_connect (status_icon, "size-changed",
G_CALLBACK (icon_size_changed_cb), NULL);
if (options.data.dialog_text)
{
#if GTK_CHECK_VERSION(2,16,0)
if (options.data.no_markup)
gtk_status_icon_set_tooltip_markup (status_icon, options.data.dialog_text);
else
gtk_status_icon_set_tooltip_text (status_icon, options.data.dialog_text);
#else
gtk_status_icon_set_tooltip (status_icon, options.data.dialog_text);
#endif
}
else
#if GTK_CHECK_VERSION(2,16,0)
gtk_status_icon_set_tooltip_text (status_icon, _("Yad notification"));
#else
gtk_status_icon_set_tooltip (status_icon, _("Yad notification"));
#endif
if (options.data.dialog_image)
icon = g_strdup (options.data.dialog_image);
if (options.common_data.command)
action = g_strdup (options.common_data.command);
menu_data = NULL;
g_signal_connect (status_icon, "activate",
G_CALLBACK (activate_cb), NULL);
/* quit on middle click (like press Esc) */
g_signal_connect (status_icon, "button-press-event",
G_CALLBACK (middle_quit_cb), NULL);
if (options.notification_data.listen)
{
channel = g_io_channel_unix_new (0);
if (channel)
{
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, handle_stdin, NULL);
g_signal_connect (status_icon, "popup_menu",
G_CALLBACK (popup_menu_cb), NULL);
}
}
/* Show icon and wait */
gtk_status_icon_set_visible (status_icon, TRUE);
if (options.data.timeout > 0)
g_timeout_add_seconds (options.data.timeout,
(GSourceFunc) timeout_cb, NULL);
gtk_main ();
return exit_code;
}