Method

PhocDesktopsurface_at

Declaration [src]

wlr_surface*
phoc_desktop_surface_at (
  PhocDesktop* desktop,
  double lx,
  double ly,
  double* sx,
  double* sy,
  PhocView** view
)

Description [src]

Looks up the surface at lx,ly and returns the topmost surface at that position (if any) and the surface-local coordinates of sx,sy on that surface.

Parameters

lx

Type: double

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

ly

Type: double

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

sx

Type: double*

Surface-local x coordinate.

The argument will be set by the function.

sy

Type: double*

Surface-local y coordinate.

The argument will be set by the function.

view

Type: PhocView

The corresponding PhocView

The argument will be set by the function.

The argument can be NULL.

The caller of the method takes ownership of the data, and is responsible for freeing it.

Return value

Type: wlr_surface*

The struct wlr_surface

The data is owned by the instance.

The return value can be NULL.