Function

Gdkevents_get_distance

Declaration [src]

gboolean
gdk_events_get_distance (
  GdkEvent* event1,
  GdkEvent* event2,
  double* distance
)

Description [src]

Returns the distance between the event locations.

This assumes that both events have X/Y information. If not, this function returns FALSE.

Parameters

event1 GdkEvent
 

First GdkEvent

 The data is owned by the caller of the function.
event2 GdkEvent
 

Second GdkEvent

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

Return location for the distance.

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

Return value

Returns: gboolean
 

TRUE if the distance could be calculated.