mutter/tests/accessibility/cally-atkevents-example.c

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/* CALLY - The Clutter Accessibility Implementation Library
*
* Copyright (C) 2009 Igalia, S.L.
*
* Author: Alejandro Piñeiro Iglesias <apinheiro@igalia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* The purpose of this example is test key event and global event
* implementation, specifically:
*
* atk_add_global_event_listener
* atk_remove_global_event_listener
* atk_add_key_event_listener
* atk_remove_key_event_listener
*/
#include <atk/atk.h>
#include <clutter/clutter.h>
#include <cally/cally.h>
#include "cally-examples-util.h"
#define WIDTH 800
#define HEIGHT 600
#define HEIGHT_STEP 100
#define NUM_ENTRIES 3
struct _Data{
gint value;
};
typedef struct _Data Data;
static gboolean
atk_key_listener (AtkKeyEventStruct *event, gpointer data)
{
Data *my_data = (Data*) data;
g_print ("atk_listener: 0x%x ", event->keyval);
if (my_data != NULL) {
g_print ("\t Data value: %i\n", my_data->value);
} else {
g_print ("\tNo data!!\n");
}
return FALSE;
}
static gboolean
window_event_listener (GSignalInvocationHint * signal_hint,
guint n_param_values,
const GValue * param_values, gpointer data)
{
AtkObject *accessible;
GSignalQuery signal_query;
const gchar *name, *s;
g_signal_query (signal_hint->signal_id, &signal_query);
name = signal_query.signal_name;
accessible = ATK_OBJECT (g_value_get_object (&param_values[0]));
s = atk_object_get_name (accessible);
g_print ("Detected window event \"%s\" from object \"%p\" named \"%s\"\n",
name, accessible, s);
return TRUE;
}
static void
make_ui (ClutterActor *stage)
{
gint i = 0;
ClutterActor *editable = NULL;
ClutterActor *rectangle = NULL;
ClutterActor *label = NULL;
ClutterColor color_stage = { 0x00, 0x00, 0x00, 0xff };
ClutterColor color_text = { 0xff, 0x00, 0x00, 0xff };
ClutterColor color_sel = { 0x00, 0xff, 0x00, 0x55 };
ClutterColor color_label = { 0x00, 0xff, 0x55, 0xff };
ClutterColor color_rect = { 0x00, 0xff, 0xff, 0x55 };
ClutterGeometry label_geom = {0, 50, -1, -1};
ClutterGeometry editable_geom = {150, 50, 500, 75};
clutter_stage_set_color (CLUTTER_STAGE (stage), &color_stage);
clutter_actor_set_size (stage, WIDTH, HEIGHT);
for (i = 0; i < NUM_ENTRIES; i++)
{
/* label */
label = clutter_text_new_full ("Sans Bold 32px",
"Entry",
&color_label);
clutter_actor_set_geometry (label, &label_geom);
/* editable */
editable = clutter_text_new_full ("Sans Bold 32px",
"ddd",
&color_text);
clutter_actor_set_geometry (editable, &editable_geom);
clutter_text_set_editable (CLUTTER_TEXT (editable), TRUE);
clutter_text_set_selectable (CLUTTER_TEXT (editable), TRUE);
clutter_text_set_selection_color (CLUTTER_TEXT (editable),
&color_sel);
clutter_actor_grab_key_focus (editable);
clutter_actor_set_reactive (editable, TRUE);
/* rectangle: to create a entry "feeling" */
rectangle = clutter_rectangle_new_with_color (&color_rect);
clutter_actor_set_geometry (rectangle, &editable_geom);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), label);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), editable);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rectangle);
label_geom.y += HEIGHT_STEP;
editable_geom.y += HEIGHT_STEP;
}
}
int
main (int argc, char *argv[])
{
ClutterActor *stage = NULL;
Data data1, data2,data3;
guint id_2 = 0;
g_set_application_name ("AtkText");
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
if (cally_util_a11y_init (&argc, &argv) == FALSE)
{
g_error ("This example requires the accessibility support, "
"especifically AtkUtil implementation loaded, "
"as it tries to register and remove event listeners");
}
data1.value = 10;
data2.value = 20;
data3.value = 30;
/* key event listeners */
atk_add_key_event_listener ((AtkKeySnoopFunc)atk_key_listener, &data1);
id_2 = atk_add_key_event_listener ((AtkKeySnoopFunc)atk_key_listener, &data2);
atk_add_key_event_listener ((AtkKeySnoopFunc)atk_key_listener, &data3);
atk_remove_key_event_listener (id_2);
/* event listeners */
atk_add_global_event_listener (window_event_listener, "Atk:AtkWindow:create");
atk_add_global_event_listener (window_event_listener, "Atk:AtkWindow:destroy");
atk_add_global_event_listener (window_event_listener, "Atk:AtkWindow:activate");
atk_add_global_event_listener (window_event_listener, "Atk:AtkWindow:deactivate");
stage = clutter_stage_get_default ();
make_ui (stage);
clutter_actor_show_all (stage);
if (clutter_feature_available (CLUTTER_FEATURE_STAGE_MULTIPLE))
{
stage = clutter_stage_new ();
make_ui (stage);
clutter_actor_show_all (stage);
}
clutter_main ();
return 0;
}