Method

GdkEvent_get_center

Declaration [src]

gboolean
gdk_events_get_center (
  GdkEvent* event1,
  GdkEvent* event2,
  double* x,
  double* y
)

Description [src]

Returns the point halfway between the events’ positions.

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

Parameters

event2 GdkEvent
 

Second GdkEvent

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

Return location for the X coordinate of the center.

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

Return location for the Y coordinate of the center.

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

Return value

Returns: gboolean
 

TRUE if the center could be calculated.