Method

GdkDeviceget_state

Declaration [src]

void
gdk_device_get_state (
  GdkDevice* device,
  GdkWindow* window,
  gdouble* axes,
  GdkModifierType* mask
)

Description [src]

Gets the current state of a pointer device relative to window. As a slave device’s coordinates are those of its master pointer, this function may not be called on devices of type GDK_DEVICE_TYPE_SLAVE, unless there is an ongoing grab on them. See gdk_device_grab().

This method is not directly available to language bindings.

Parameters

window

Type: GdkWindow

A GdkWindow.

The data is owned by the caller of the method.

axes

Type: An array of gdouble

An array of doubles to store the values of the axes of device in, or NULL.

The argument can be NULL.

The data is owned by the caller of the method.

mask

Type: GdkModifierType

Location to store the modifiers, or NULL.

The argument will be set by the function.

The argument can be NULL.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.