C++ (Cpp) gdk_x11_device_manager_lookup Examples

Example #1

File: meta-cursor-tracker.c Project: mchalupa/mutter

static void
get_pointer_position_gdk (int         *x,
                          int         *y,
                          int         *mods)
{
  GdkDeviceManager *gmanager;
  GdkDevice *gdevice;
  GdkScreen *gscreen;

  gmanager = gdk_display_get_device_manager (gdk_display_get_default ());
  gdevice = gdk_x11_device_manager_lookup (gmanager, META_VIRTUAL_CORE_POINTER_ID);

  gdk_device_get_position (gdevice, &gscreen, x, y);
  if (mods)
    gdk_device_get_state (gdevice,
                          gdk_screen_get_root_window (gscreen),
                          NULL, (GdkModifierType*)mods);
}

Example #2

File: gsd-input-helper.c Project: Rolomic/cinnamon-control-center

GList *
get_disabled_devices (GdkDeviceManager *manager)
{
    XDeviceInfo *device_info;
    gint n_devices;
    guint i;
    GList *ret;

    ret = NULL;

    device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &n_devices);
    if (device_info == NULL)
        return ret;

    for (i = 0; i < n_devices; i++) {
        GdkDevice *device;

        /* Ignore core devices */
        if (device_info[i].use == IsXKeyboard ||
                device_info[i].use == IsXPointer)
            continue;

        /* Check whether the device is actually available */
        device = gdk_x11_device_manager_lookup (manager, device_info[i].id);
        if (device != NULL)
            continue;

        ret = g_list_prepend (ret, GINT_TO_POINTER (device_info[i].id));
    }

    XFreeDeviceList (device_info);

    return ret;
}

Example #3

File: ui.c Project: darkxst/mtest

static gboolean
maybe_redirect_mouse_event (XEvent *xevent)
{
  GdkDisplay *gdisplay;
  GdkDeviceManager *gmanager;
  GdkDevice *gdevice;
  MetaUI *ui;
  GdkEvent *gevent;
  GdkWindow *gdk_window;
  Window window;
  XIEvent *xev;
  XIDeviceEvent *xev_d = NULL;
  XIEnterEvent *xev_e = NULL;

  if (!is_input_event (xevent))
    return FALSE;

  xev = (XIEvent *) xevent->xcookie.data;

  switch (xev->evtype)
    {
    case XI_TouchBegin:
    case XI_ButtonPress:
    case XI_ButtonRelease:
    case XI_Motion:
      xev_d = (XIDeviceEvent *) xev;
      window = xev_d->event;
      break;
    case XI_Enter:
    case XI_Leave:
      xev_e = (XIEnterEvent *) xev;
      window = xev_e->event;
      break;
    default:
      return FALSE;
    }

  gdisplay = gdk_x11_lookup_xdisplay (xev->display);
  ui = g_object_get_data (G_OBJECT (gdisplay), "meta-ui");
  if (!ui)
    return FALSE;

  gdk_window = gdk_x11_window_lookup_for_display (gdisplay, window);
  if (gdk_window == NULL)
    return FALSE;

  gmanager = gdk_display_get_device_manager (gdisplay);
  gdevice = gdk_x11_device_manager_lookup (gmanager, META_VIRTUAL_CORE_POINTER_ID);

  /* If GDK already thinks it has a grab, we better let it see events; this
   * is the menu-navigation case and events need to get sent to the appropriate
   * (client-side) subwindow for individual menu items.
   */
  if (gdk_display_device_is_grabbed (gdisplay, gdevice))
    return FALSE;

  switch (xev->evtype)
    {
    case XI_TouchBegin:
    case XI_ButtonPress:
    case XI_ButtonRelease:
      if (xev_d->evtype == XI_ButtonPress || xev_d->evtype == XI_TouchBegin)
        {
          GtkSettings *settings = gtk_settings_get_default ();
          int double_click_time;
          int double_click_distance;
          int button;

          g_object_get (settings,
                        "gtk-double-click-time", &double_click_time,
                        "gtk-double-click-distance", &double_click_distance,
                        NULL);

          if (xev->evtype == XI_TouchBegin)
            button = 1;
          else
            button = xev_d->detail;

          if (button == ui->button_click_number &&
              xev_d->event == ui->button_click_window &&
              xev_d->time < ui->button_click_time + double_click_time &&
              ABS (xev_d->event_x - ui->button_click_x) <= double_click_distance &&
              ABS (xev_d->event_y - ui->button_click_y) <= double_click_distance)
            {
              gevent = gdk_event_new (GDK_2BUTTON_PRESS);

              ui->button_click_number = 0;
            }
          else
            {
              gevent = gdk_event_new (GDK_BUTTON_PRESS);
              ui->button_click_number = button;
              ui->button_click_window = xev_d->event;
              ui->button_click_time = xev_d->time;
              ui->button_click_x = xev_d->event_x;
              ui->button_click_y = xev_d->event_y;
            }

          gevent->button.button = button;
        }
      else
        {
          gevent = gdk_event_new (GDK_BUTTON_RELEASE);
          gevent->button.button = xev_d->detail;
        }

      gevent->button.window = g_object_ref (gdk_window);
      gevent->button.time = xev_d->time;
      gevent->button.x = xev_d->event_x;
      gevent->button.y = xev_d->event_y;
      gevent->button.x_root = xev_d->root_x;
      gevent->button.y_root = xev_d->root_y;

      break;
    case XI_Motion:
      gevent = gdk_event_new (GDK_MOTION_NOTIFY);
      gevent->motion.type = GDK_MOTION_NOTIFY;
      gevent->motion.window = g_object_ref (gdk_window);
      break;
    case XI_Enter:
    case XI_Leave:
      gevent = gdk_event_new (xev_e->evtype == XI_Enter ? GDK_ENTER_NOTIFY : GDK_LEAVE_NOTIFY);
      gevent->crossing.window = g_object_ref (gdk_window);
      gevent->crossing.x = xev_e->event_x;
      gevent->crossing.y = xev_e->event_y;
      break;
    default:
      g_assert_not_reached ();
      break;
    }

  /* If we've gotten here, we've created the gdk_event and should send it on */
  gdk_event_set_device (gevent, gdevice);
  gtk_main_do_event (gevent);
  gdk_event_free (gevent);

  return TRUE;
}