Method

PhocDesktoplayer_surface_at

Declaration [src] 

PhocLayerSurface*
phoc_desktop_layer_surface_at (
  PhocDesktop* self,
  double lx,
  double ly,
  double* sx,
  double* sy
)

Description [src]

Looks up the surface at lx,ly and returns the topmost surface at that position if it is a layersurface, NULL otherwise.

Parameters

lx

Type: double

X coordinate the layer surface to look up at in layout coordinates.

ly

Type: double

Y coordinate the layer surface to look up at in layout coordinates.

sx

Type: double*

Surface relative x coordinate.

The argument will be set by the function.
The argument can be set to NULL by the method.
sy

Type: double*

Surface relative y coordinate.

The argument will be set by the function.
The argument can be set to NULL by the method.

Return value

Type: PhocLayerSurface

The PhocLayerSurface.

The returned data is owned by the instance.
The return value can be NULL.