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0ec541282a
Now that we can safely check for an uninitialized Clutter we don't have side effects in calling one of the functions like clutter_x11_enable_xinput(), which require to be called before any other Clutter function.
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
#include <stdlib.h>
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#include <gmodule.h>
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#include <clutter/clutter.h>
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#include <clutter/x11/clutter-x11.h>
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typedef struct {
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GHashTable *devices;
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} TestDevicesApp;
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static gboolean
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stage_motion_event_cb (ClutterActor *actor,
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ClutterEvent *event,
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gpointer userdata)
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{
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TestDevicesApp *app = (TestDevicesApp *)userdata;
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ClutterInputDevice *device;
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ClutterActor *hand = NULL;
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device = clutter_event_get_device (event);
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hand = g_hash_table_lookup (app->devices, device);
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if (hand != NULL)
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{
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gfloat event_x, event_y;
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clutter_event_get_coords (event, &event_x, &event_y);
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clutter_actor_set_position (hand, event_x, event_y);
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return TRUE;
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}
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return FALSE;
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}
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G_MODULE_EXPORT int
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test_devices_main (int argc, char **argv)
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{
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ClutterActor *stage;
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TestDevicesApp *app;
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ClutterColor stage_color = { 0x61, 0x64, 0x8c, 0xff };
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const GSList *stage_devices, *l;
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/* force enabling X11 support */
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clutter_x11_enable_xinput ();
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clutter_init (&argc, &argv);
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app = g_new0 (TestDevicesApp, 1);
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app->devices = g_hash_table_new (g_direct_hash, g_direct_equal) ;
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stage = clutter_stage_get_default ();
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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//clutter_stage_fullscreen (CLUTTER_STAGE (stage));
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g_signal_connect (stage,
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"motion-event", G_CALLBACK(stage_motion_event_cb),
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app);
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clutter_actor_show_all (stage);
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stage_devices = clutter_x11_get_input_devices ();
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if (stage_devices == NULL)
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g_error ("No extended input devices found.");
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for (l = stage_devices; l != NULL; l = l->next)
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{
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ClutterInputDevice *device = l->data;
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ClutterInputDeviceType device_type;
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ClutterActor *hand = NULL;
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device_type = clutter_input_device_get_device_type (device);
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if (device_type == CLUTTER_POINTER_DEVICE)
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{
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g_print ("got a pointer device with id %d...\n",
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clutter_input_device_get_device_id (device));
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hand = clutter_texture_new_from_file ("redhand.png", NULL);
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g_hash_table_insert (app->devices, device, hand);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), hand);
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}
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}
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clutter_main ();
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return EXIT_SUCCESS;
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}
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