diff --git a/README.md b/README.md
index efc16e5c0..cf9d3ff94 100644
--- a/README.md
+++ b/README.md
@@ -574,11 +574,6 @@ int notcurses_mouse_enable(struct notcurses* n);
 
 // Disable mouse events. Any events in the input queue can still be delivered.
 int notcurses_mouse_disable(struct notcurses* n);
-
-// Was the provided mouse event 'ni' within the bounds of the ncplane 'n'? Note
-// that this doesn't necessarily mean the event affected 'n'; there could be a
-// plane above it, this plane could be transparent, etc.
-bool ncplane_mouseevent_p(const struct ncplane* n, const struct ncinput *ni);
 ```
 
 "Button-event tracking mode" implies the ability to detect mouse button
@@ -710,6 +705,12 @@ ncplane_dim_x(const struct ncplane* n){
 // and 'x' may be NULL.
 void ncplane_translate(const struct ncplane* src, const struct ncplane* dst,
                        int* restrict y, int* restrict x);
+
+// Fed absolute 'y'/'x' coordinates, determine whether that coordinate is
+// within the ncplane 'n'. If not, return false. If so, return true. Either
+// way, translate the absolute coordinates relative to 'n'. If the point is not
+// within 'n', these coordinates will not be within the dimensions of the plane.
+bool ncplane_translate_abs(const struct ncplane* n, int* restrict y, int* restrict x);
 ```
 
 If a given cell's glyph is zero, or its foreground channel is fully transparent,
diff --git a/doc/man/man3/notcurses_input.3.md b/doc/man/man3/notcurses_input.3.md
index 2e84b627a..77cb7bda3 100644
--- a/doc/man/man3/notcurses_input.3.md
+++ b/doc/man/man3/notcurses_input.3.md
@@ -37,8 +37,6 @@ typedef struct ncinput {
 
 **int notcurses_mouse_disable(struct notcurses* n);**
 
-**bool ncplane_mouseevent_p(const struct ncplane* n, const struct ncinput *ni);**
-
 # DESCRIPTION
 
 notcurses supports input from keyboards and mice, and any device that looks
diff --git a/doc/man/man3/notcurses_ncplane.3.md b/doc/man/man3/notcurses_ncplane.3.md
index 79a1c5089..83c4aa0e4 100644
--- a/doc/man/man3/notcurses_ncplane.3.md
+++ b/doc/man/man3/notcurses_ncplane.3.md
@@ -60,6 +60,8 @@ notcurses_ncplane - operations on notcurses planes
 
 **void ncplane_translate(const struct ncplane* src, const struct ncplane* dst, int* restrict y, int* restrict x);**
 
+**bool ncplane_translate_abs(const struct ncplane* n, int* restrict y, int* restrict x);**
+
 **uint64_t ncplane_channels(struct ncplane* n);**
 
 **uint32_t ncplane_attr(struct ncplane* n);**