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clutter: Add function to find out the number of modes for a pad group

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This is obtained in backend-dependent ways in the upper layers, seems
better to let ClutterInputDevice provide this information.

https://bugzilla.gnome.org/show_bug.cgi?id=771098
This commit is contained in:
Carlos Garnacho
2016-12-28 11:44:27 +01:00
parent 9d38ffa6e3
commit d6fc41b73e
4 changed files with 39 additions and 0 deletions
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19
clutter/clutter/clutter-input-device.c
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@@ -2175,6 +2175,25 @@ clutter_input_device_get_n_mode_groups (ClutterInputDevice *device)
return device->n_mode_groups;
}
gint
clutter_input_device_get_group_n_modes (ClutterInputDevice *device,
gint group)
{
ClutterInputDeviceClass *device_class;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), 0);
g_return_val_if_fail (clutter_input_device_get_device_type (device) ==
CLUTTER_PAD_DEVICE, 0);
g_return_val_if_fail (group >= 0, 0);
device_class = CLUTTER_INPUT_DEVICE_GET_CLASS (device);
if (device_class->get_group_n_modes)
return device_class->get_group_n_modes (device, group);
return 0;
}
gboolean
clutter_input_device_is_mode_switch_button (ClutterInputDevice *device,
guint group,