mutter/tests/interactive/test-devices.c

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#include <stdlib.h>
#include <gmodule.h>
#include <clutter/clutter.h>
#include <clutter/x11/clutter-x11.h>
typedef struct {
GHashTable *devices;
} TestDevicesApp;
static gboolean
stage_motion_event_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer userdata)
{
TestDevicesApp *app = (TestDevicesApp *)userdata;
ClutterInputDevice *device;
ClutterActor *hand = NULL;
device = clutter_event_get_device (event);
hand = g_hash_table_lookup (app->devices, device);
if (hand != NULL)
{
gfloat event_x, event_y;
clutter_event_get_coords (event, &event_x, &event_y);
clutter_actor_set_position (hand, event_x, event_y);
return TRUE;
}
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return FALSE;
}
G_MODULE_EXPORT int
test_devices_main (int argc, char **argv)
{
ClutterActor *stage;
TestDevicesApp *app;
ClutterColor stage_color = { 0x61, 0x64, 0x8c, 0xff };
const GSList *stage_devices, *l;
/* force enabling X11 support */
clutter_x11_enable_xinput ();
clutter_init (&argc, &argv);
app = g_new0 (TestDevicesApp, 1);
app->devices = g_hash_table_new (g_direct_hash, g_direct_equal) ;
stage = clutter_stage_get_default ();
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
//clutter_stage_fullscreen (CLUTTER_STAGE (stage));
g_signal_connect (stage,
"motion-event", G_CALLBACK(stage_motion_event_cb),
app);
clutter_actor_show_all (stage);
stage_devices = clutter_x11_get_input_devices ();
if (stage_devices == NULL)
g_error ("No extended input devices found.");
for (l = stage_devices; l != NULL; l = l->next)
{
ClutterInputDevice *device = l->data;
ClutterInputDeviceType device_type;
ClutterActor *hand = NULL;
device_type = clutter_input_device_get_device_type (device);
if (device_type == CLUTTER_POINTER_DEVICE)
{
g_print ("got a pointer device with id %d...\n",
clutter_input_device_get_device_id (device));
hand = clutter_texture_new_from_file (TESTS_DATADIR
G_DIR_SEPARATOR_S
"redhand.png",
NULL);
g_hash_table_insert (app->devices, device, hand);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), hand);
}
}
clutter_main ();
return EXIT_SUCCESS;
}