Method

GdkSurfaceget_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 GdkDevice
 

Pointer GdkDevice to query to.

 The data is owned by the caller of the function.
x double*
 

Return location for the X coordinate of device.

 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.
y double*
 

Return location for the Y coordinate of device.

 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.
mask 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

Returns: gboolean
 

TRUE if the device is over the surface.