minecraft-pi-reborn/zenity
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add code to listen for commands on stdin when in listen mode.

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2004-09-16  James Henstridge  <james@jamesh.id.au>

    * src/notification.c: add code to listen for commands on stdin
    when in listen mode.

    * src/main.c: parse the --listen argument for --notification mode.

    * src/zenity.h (ZenityNotificationData): add a field for the
    "listen" argument.
This commit is contained in:
James Henstridge 2004-09-16 09:28:09 +00:00 committed by James Henstridge
parent 8f506690ac
commit 963241dd15
4 changed files with 144 additions and 7 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
2004-09-16 James Henstridge <james@jamesh.id.au>
* src/notification.c: add code to listen for commands on stdin
when in listen mode.
* src/main.c: parse the --listen argument for --notification mode.
* src/zenity.h (ZenityNotificationData): add a field for the
"listen" argument.
2004-09-13 Glynn Foster <glynn.foster@sun.com>
* configure.in: Post release bump.

17
src/main.c
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@ -115,6 +115,7 @@ enum {
OPTION_WARNINGTEXT,
OPTION_NOTIFICATIONICON,
OPTION_NOTIFICATIONTEXT,
OPTION_NOTIFICATIONLISTEN,
OPTION_ABOUT,
OPTION_VERSION,
OPTION_LAST,
@ -581,6 +582,15 @@ struct poptOption notification_options[] = {
N_("Set the notification text"),
NULL
},
{
"listen",
'\0',
POPT_ARG_NONE,
NULL,
OPTION_NOTIFICATIONLISTEN,
N_("Listen for commands on stdin"),
NULL
},
POPT_TABLEEND
};
@ -1051,6 +1061,7 @@ zenity_init_parsing_options (void) {
results->tree_data->radiobox = FALSE;
results->tree_data->editable = FALSE;
results->tree_data->print_column = NULL;
results->notification_data->listen = FALSE;
}
static void
@ -1572,6 +1583,12 @@ zenity_parse_options_callback (poptContext ctx,
results->tree_data->print_column = g_strdup (arg);
break;
case OPTION_NOTIFICATIONLISTEN:
if (results->mode != MODE_NOTIFICATION)
zenity_error ("--listen", ERROR_SUPPORT);
results->notification_data->listen = TRUE;
break;
case OPTION_ABOUT:
if (results->mode != MODE_LAST)
zenity_error (NULL, ERROR_DIALOG);

123
src/notification.c
View File

@ -27,7 +27,11 @@
#include "eggtrayicon.h"
#include "util.h"
EggTrayIcon *tray_icon;
static EggTrayIcon *tray_icon;
static GtkWidget *icon_image;
static GtkWidget *icon_event_box;
static GtkTooltips *tooltips;
static gboolean
zenity_notification_icon_press_callback (GtkWidget *widget, GdkEventButton *event, gpointer data)
@ -77,12 +81,112 @@ zenity_notification_icon_destroy_callback (GtkWidget *widget, gpointer data)
gtk_main_quit ();
}
static gboolean
zenity_notification_handle_stdin (GIOChannel *channel,
GIOCondition condition,
gpointer user_data)
{
ZenityData *zen_data;
zen_data = (ZenityData *)user_data;
if ((condition & G_IO_IN) != 0) {
GString *string;
GError *error = NULL;
string = g_string_new (NULL);
while (channel->is_readable != TRUE)
;
do {
gint status;
gchar *command, *value, *colon;
do {
status = g_io_channel_read_line_string (channel, string, NULL, &error);
while (gdk_events_pending ())
gtk_main_iteration ();
} while (status == G_IO_STATUS_AGAIN);
if (status != G_IO_STATUS_NORMAL) {
if (error) {
g_warning ("zenity_notification_handle_stdin () : %s",
error->message);
g_error_free (error);
error = NULL;
}
continue;
}
zenity_util_strip_newline (string->str);
colon = strchr(string->str, ':');
if (colon == NULL) {
g_printerr (_("could not parse command from stdin\n"));
continue;
}
/* split off the command and value */
command = g_strndup (string->str, colon - string->str);
command = g_strstrip (command);
g_strdown (command);
value = colon + 1;
while (*value && g_ascii_isspace (*value)) value++;
if (!strcmp (command, "icon")) {
GdkPixbuf *pixbuf;
pixbuf = zenity_util_pixbuf_new_from_file (GTK_WIDGET (tray_icon),
value);
if (pixbuf != NULL) {
gtk_image_set_from_pixbuf (GTK_IMAGE (icon_image), pixbuf);
gdk_pixbuf_unref (pixbuf);
} else {
g_warning ("Could not load notification icon : %s", value);
}
} else if (!strcmp (command, "message")) {
g_warning ("haven't implemented message support yet");
} else if (!strcmp (command, "tooltip")) {
gtk_tooltips_set_tip (tooltips, icon_event_box, value, value);
} else if (!strcmp (command, "visible")) {
if (!strcasecmp (value, "false")) {
gtk_widget_hide (GTK_WIDGET (tray_icon));
} else {
gtk_widget_show (GTK_WIDGET (tray_icon));
}
} else {
g_warning ("Unknown command '%s'", command);
}
g_free (command);
} 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);
zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
gtk_main_quit ();
return FALSE;
}
return TRUE;
}
static void
zenity_notification_listen_on_stdin (ZenityData *data)
{
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_notification_handle_stdin, data);
}
void
zenity_notification (ZenityData *data, ZenityNotificationData *notification_data)
{
GtkWidget *icon_image;
GtkWidget *icon_event_box;
GtkTooltips *tooltips;
GdkPixbuf *pixbuf = NULL;
tray_icon = egg_tray_icon_new (_("Zenity notification"));
@ -113,15 +217,20 @@ zenity_notification (ZenityData *data, ZenityNotificationData *notification_data
gtk_widget_add_events (GTK_WIDGET (tray_icon), GDK_BUTTON_PRESS_MASK | GDK_FOCUS_CHANGE_MASK);
gtk_container_add (GTK_CONTAINER (tray_icon), icon_event_box);
g_signal_connect (tray_icon, "button_press_event",
G_CALLBACK (zenity_notification_icon_press_callback), data);
g_signal_connect (tray_icon, "destroy",
G_CALLBACK (zenity_notification_icon_destroy_callback), data);
g_signal_connect (tray_icon, "expose_event",
G_CALLBACK (zenity_notification_icon_expose_callback), data);
if (notification_data->listen) {
zenity_notification_listen_on_stdin (data);
} else {
/* if we aren't listening for changes, then close on button_press */
g_signal_connect (tray_icon, "button_press_event",
G_CALLBACK (zenity_notification_icon_press_callback), data);
}
gtk_widget_show_all (GTK_WIDGET (tray_icon));
/* Does nothing at the moment */

1
src/zenity.h
View File

@ -100,6 +100,7 @@ typedef struct {
typedef struct {
gchar *notification_text;
gboolean listen;
} ZenityNotificationData;
void zenity_calendar (ZenityData *data,