document

Author: teunbrand

NEWS.md

@@ -1,5 +1,6 @@
 # ggplot2 (development version)
 
+* Added `panel.widths` and `panel.heights` to `theme()` (#5338, @teunbrand).
 * `guide_bins()`, `guide_colourbar()` and `guide_coloursteps()` gain an `angle`
   argument to overrule theme settings, similar to `guide_axis(angle)` 
   (@teunbrand, #4594).

R/theme.R

@@ -143,6 +143,9 @@
 #'   and x axis grid lines are vertical. `panel.grid.*.*` inherits from
 #'   `panel.grid.*` which inherits from `panel.grid`, which in turn inherits
 #'   from `line`
+#' @param panel.widths,panel.heights Sizes for panels (`units`). Can be a
+#'   single unit to set the total size for the panel area, or a unit vector to
+#'   set the size of individual panels.
 #' @param panel.ontop option to place the panel (background, gridlines) over
 #'   the data layers (`logical`). Usually used with a transparent or blank
 #'   `panel.background`.