Gdk.Surface.get_device_position

### Method

# Gdk Surfaceget_device_position

#### Declaration [src]

    gboolean
    gdk_surface_get_device_position (
      GdkSurface* surface,
      GdkDevice* device,
      double* x,
      double* y,
      GdkModifierType* mask
    )

#### Description [src]

Obtains the current device position and modifier state.

The position is given in coordinates relative to the upper left corner of `surface`.

#### Parameters

`device`

  Type: `GdkDevice`

  Pointer `GdkDevice` to query to.

  The data is owned by the caller of the function.

`x`

  Type: `double*`

  Return location for the X coordinate of `device`.

  The argument will be set by the function.
  The argument can be `NULL`.

`y`

  Type: `double*`

  Return location for the Y coordinate of `device`.

  The argument will be set by the function.
  The argument can be `NULL`.

`mask`

  Type: `GdkModifierType`

  Return location for the modifier mask.

  The argument will be set by the function.
  The argument can be `NULL`.
  The instance takes ownership of the data, and is responsible for freeing it.

#### Return value

Type: `gboolean`

`TRUE` if the device is over the surface.