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mutter-performance-source/tests/interactive/test-devices.c

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#include <stdlib.h>
#include <gmodule.h>
#include <clutter/clutter.h>
#ifdef CLUTTER_WINDOWING_X11
#include <clutter/x11/clutter-x11.h>
#endif
typedef struct {
ClutterActor *stage;
GHashTable *devices;
} TestDevicesApp;
static const gchar *
device_type_name (ClutterInputDevice *device)
{
ClutterInputDeviceType d_type;
d_type = clutter_input_device_get_device_type (device);
switch (d_type)
{
case CLUTTER_POINTER_DEVICE:
return "Pointer";
case CLUTTER_KEYBOARD_DEVICE:
return "Keyboard";
case CLUTTER_EXTENSION_DEVICE:
return "Extension";
case CLUTTER_PEN_DEVICE:
return "Pen";
case CLUTTER_ERASER_DEVICE:
return "Eraser";
case CLUTTER_CURSOR_DEVICE:
return "Cursor";
default:
return "Unknown";
}
g_warn_if_reached ();
return NULL;
}
static const gchar *
axis_type_name (ClutterInputAxis axis)
{
switch (axis)
{
case CLUTTER_INPUT_AXIS_X:
return "Absolute X";
case CLUTTER_INPUT_AXIS_Y:
return "Absolute Y";
case CLUTTER_INPUT_AXIS_PRESSURE:
return "Pressure";
case CLUTTER_INPUT_AXIS_XTILT:
return "X Tilt";
case CLUTTER_INPUT_AXIS_YTILT:
return "Y Tilt";
case CLUTTER_INPUT_AXIS_WHEEL:
return "Wheel";
default:
return "Unknown";
}
g_warn_if_reached ();
return NULL;
}
static gboolean
stage_button_event_cb (ClutterActor *actor,
ClutterEvent *event,
TestDevicesApp *app)
{
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterActor *hand = NULL;
gdouble *axes;
guint n_axes, i;
device = clutter_event_get_device (event);
source_device = clutter_event_get_source_device (event);
hand = g_hash_table_lookup (app->devices, device);
g_print ("Device: '%s' (id:%d, type: %s, source: '%s', axes: %d)\n",
clutter_input_device_get_device_name (device),
clutter_input_device_get_device_id (device),
device_type_name (device),
source_device != device
? clutter_input_device_get_device_name (source_device)
: "<same>",
clutter_input_device_get_n_axes (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);
}
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axes = clutter_event_get_axes (event, &n_axes);
for (i = 0; i < n_axes; i++)
{
ClutterInputAxis axis;
axis = clutter_input_device_get_axis (device, i);
if (axis == CLUTTER_INPUT_AXIS_IGNORE)
continue;
g_print ("\tAxis[%2d][%s].value: %.2f\n",
i,
axis_type_name (axis),
axes[i]);
}
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return FALSE;
}
static gboolean
stage_motion_event_cb (ClutterActor *actor,
ClutterEvent *event,
TestDevicesApp *app)
{
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;
}
return FALSE;
}
static void
manager_device_added_cb (ClutterDeviceManager *manager,
ClutterInputDevice *device,
TestDevicesApp *app)
{
ClutterInputDeviceType device_type;
ClutterActor *hand = NULL;
g_print ("got a %s device '%s' with id %d\n",
device_type_name (device),
clutter_input_device_get_device_name (device),
clutter_input_device_get_device_id (device));
device_type = clutter_input_device_get_device_type (device);
if (device_type == CLUTTER_POINTER_DEVICE ||
device_type == CLUTTER_PEN_DEVICE ||
device_type == CLUTTER_POINTER_DEVICE)
{
g_print ("*** enabling device '%s' ***\n",
clutter_input_device_get_device_name (device));
clutter_input_device_set_enabled (device, TRUE);
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 (app->stage), hand);
}
}
static void
manager_device_removed_cb (ClutterDeviceManager *manager,
ClutterInputDevice *device,
TestDevicesApp *app)
{
ClutterInputDeviceType device_type;
ClutterActor *hand = NULL;
g_print ("removed a %s device '%s' with id %d\n",
device_type_name (device),
clutter_input_device_get_device_name (device),
clutter_input_device_get_device_id (device));
device_type = clutter_input_device_get_device_type (device);
if (device_type == CLUTTER_POINTER_DEVICE ||
device_type == CLUTTER_PEN_DEVICE ||
device_type == CLUTTER_POINTER_DEVICE)
{
hand = g_hash_table_lookup (app->devices, device);
if (hand != NULL)
clutter_container_add_actor (CLUTTER_CONTAINER (app->stage), hand);
g_hash_table_remove (app->devices, device);
}
}
G_MODULE_EXPORT int
test_devices_main (int argc, char **argv)
{
ClutterActor *stage;
TestDevicesApp *app;
ClutterDeviceManager *manager;
const GSList *stage_devices, *l;
#ifdef CLUTTER_WINDOWING_X11
/* force enabling X11 support */
clutter_x11_enable_xinput ();
#endif
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
app = g_new0 (TestDevicesApp, 1);
app->devices = g_hash_table_new (g_direct_hash, g_direct_equal) ;
stage = clutter_stage_new ();
clutter_actor_set_background_color (stage, CLUTTER_COLOR_LightSkyBlue);
clutter_stage_set_title (CLUTTER_STAGE (stage), "Devices");
clutter_stage_hide_cursor (CLUTTER_STAGE (stage));
g_signal_connect (stage,
"destroy", G_CALLBACK (clutter_main_quit),
NULL);
g_signal_connect (stage,
"motion-event", G_CALLBACK (stage_motion_event_cb),
app);
g_signal_connect (stage,
"button-press-event", G_CALLBACK (stage_button_event_cb),
app);
app->stage = stage;
clutter_actor_show_all (stage);
manager = clutter_device_manager_get_default ();
g_signal_connect (manager,
"device-added", G_CALLBACK (manager_device_added_cb),
app);
g_signal_connect (manager,
"device-removed", G_CALLBACK (manager_device_removed_cb),
app);
stage_devices = clutter_device_manager_peek_devices (manager);
if (stage_devices == NULL)
g_error ("No input devices found.");
for (l = stage_devices; l != NULL; l = l->next)
{
ClutterInputDevice *device = l->data;
ClutterInputDeviceType device_type;
ClutterActor *hand = NULL;
g_print ("got a %s device '%s' with id %d\n",
device_type_name (device),
clutter_input_device_get_device_name (device),
clutter_input_device_get_device_id (device));
device_type = clutter_input_device_get_device_type (device);
if (device_type == CLUTTER_POINTER_DEVICE ||
device_type == CLUTTER_PEN_DEVICE ||
device_type == CLUTTER_POINTER_DEVICE)
{
g_print ("*** enabling device '%s' ***\n",
clutter_input_device_get_device_name (device));
clutter_input_device_set_enabled (device, TRUE);
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;
}