Merge branch 'main' into check_scale_limits

Author: teunbrand

.github/workflows/R-CMD-check.yaml

@@ -63,7 +63,7 @@ jobs:
           cache-version: 3
           extra-packages: >
             any::rcmdcheck,
-            Hmisc=?ignore-before-r=4.1.0,
+            Hmisc=?ignore-before-r=4.2.0,
             quantreg=?ignore-before-r=4.3.0
           needs: check
 

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: ggplot2
-Version: 3.5.1.9000
 Title: Create Elegant Data Visualisations Using the Grammar of Graphics
+Version: 3.5.1.9000
 Authors@R: c(
     person("Hadley", "Wickham", , "[email protected]", role = "aut",
            comment = c(ORCID = "0000-0003-4757-117X")),
@@ -30,7 +30,7 @@ License: MIT + file LICENSE
 URL: https://ggplot2.tidyverse.org, https://github.com/tidyverse/ggplot2
 BugReports: https://github.com/tidyverse/ggplot2/issues
 Depends:
-    R (>= 3.5)
+    R (>= 4.0)
 Imports: 
     cli,
     grDevices,
@@ -75,6 +75,7 @@ VignetteBuilder:
     knitr
 Config/Needs/website: ggtext, tidyr, forcats, tidyverse/tidytemplate
 Config/testthat/edition: 3
+Config/usethis/last-upkeep: 2024-10-24
 Encoding: UTF-8
 LazyData: true
 Roxygen: list(markdown = TRUE)
@@ -276,7 +277,6 @@ Collate:
     'utilities-break.R'
     'utilities-grid.R'
     'utilities-help.R'
-    'utilities-matrix.R'
     'utilities-patterns.R'
     'utilities-resolution.R'
     'utilities-tidy-eval.R'

LICENSE.md

@@ -1,6 +1,6 @@
 # MIT License
 
-Copyright (c) 2020 ggplot2 authors
+Copyright (c) 2024 ggplot2 core developer team
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

NAMESPACE

@@ -84,8 +84,6 @@ S3method(guide_train,default)
 S3method(guide_transform,default)
 S3method(heightDetails,titleGrob)
 S3method(heightDetails,zeroGrob)
-S3method(interleave,default)
-S3method(interleave,unit)
 S3method(limits,Date)
 S3method(limits,POSIXct)
 S3method(limits,POSIXlt)
@@ -126,8 +124,6 @@ S3method(scale_type,logical)
 S3method(scale_type,numeric)
 S3method(scale_type,ordered)
 S3method(scale_type,sfc)
-S3method(single_value,default)
-S3method(single_value,factor)
 S3method(summary,ggplot)
 S3method(vec_cast,character.mapped_discrete)
 S3method(vec_cast,double.mapped_discrete)
@@ -426,6 +422,7 @@ export(get_alt_text)
 export(get_element_tree)
 export(get_geom_defaults)
 export(get_guide_data)
+export(get_labs)
 export(get_last_plot)
 export(get_layer_data)
 export(get_layer_grob)
@@ -463,10 +460,21 @@ export(guide_transform)
 export(guides)
 export(has_flipped_aes)
 export(is.Coord)
+export(is.coord)
 export(is.facet)
+export(is.geom)
 export(is.ggplot)
 export(is.ggproto)
+export(is.guide)
+export(is.guides)
+export(is.layer)
+export(is.mapping)
+export(is.margin)
+export(is.position)
+export(is.scale)
+export(is.stat)
 export(is.theme)
+export(is.theme_element)
 export(label_both)
 export(label_bquote)
 export(label_context)

NEWS.md

@@ -1,5 +1,11 @@
 # ggplot2 (development version)
 
+* Fixed bug where binned scales wouldn't simultaneously accept transformations
+  and function-limits (@teunbrand, #6144).
+* Fixed bug where the `ggplot2::`-prefix did not work with `stage()` 
+  (@teunbrand, #6104).
+* New `get_labs()` function for retrieving completed plot labels 
+  (@teunbrand, #6008).
 * Built-in `theme_*()` functions now have `ink` and `paper` arguments to control
   foreground and background colours respectively (@teunbrand)
 * The `summary()` method for ggplots is now more terse about facets 
@@ -226,6 +232,7 @@ documentation updates.
 * `annotate()` now warns about `stat` or `position` arguments (@teunbrand, #5151)
 * `guide_coloursteps(even.steps = FALSE)` now works with discrete data that has 
   been formatted by `cut()` (@teunbrand, #3877).
+* `ggsave()` now offers to install svglite if needed (@eliocamp, #6166).
 
 # ggplot2 3.5.0
 

R/aes-evaluation.R

@@ -32,7 +32,7 @@
 #' Below follows an overview of the three stages of evaluation and how aesthetic
 #' evaluation can be controlled.
 #'
-#' ## Stage 1: direct input
+#' ## Stage 1: direct input at the start
 #' The default is to map at the beginning, using the layer data provided by
 #' the user. If you want to map directly from the layer data you should not do
 #' anything special. This is the only stage where the original layer data can
@@ -87,17 +87,19 @@
 #' ```
 #'
 #' ## Complex staging
-#' If you want to map the same aesthetic multiple times, e.g. map `x` to a
-#' data column for the stat, but remap it for the geom, you can use the
-#' `stage()` function to collect multiple mappings.
+#' Sometimes, you may want to map the same aesthetic multiple times, e.g. map
+#' `x` to a data column at the start for the layer stat, but remap it later to
+#' a variable from the stat transformation for the layer geom. The `stage()`
+#' function allows you to control multiple mappings for the same aesthetic
+#' across all three stages of evaluation.
 #'
 #' ```r
 #' # Use stage to modify the scaled fill
 #' ggplot(mpg, aes(class, hwy)) +
 #'   geom_boxplot(aes(fill = stage(class, after_scale = alpha(fill, 0.4))))
 #'
 #' # Using data for computing summary, but placing label elsewhere.
-#' # Also, we're making our own computed variable to use for the label.
+#' # Also, we're making our own computed variables to use for the label.
 #' ggplot(mpg, aes(class, displ)) +
 #'   geom_violin() +
 #'   stat_summary(
@@ -110,6 +112,11 @@
 #'   )
 #' ```
 #'
+#' Conceptually, `aes(x)` is equivalent to `aes(stage(start = x))`, and
+#' `aes(after_stat(count))` is equivalent to `aes(stage(after_stat = count))`,
+#' and so on. `stage()` is most useful when at least two of its arguments are
+#' specified.
+#'
 #' ## Theme access
 #' The `from_theme()` function can be used to acces the [`element_geom()`]
 #' fields of the `theme(geom)` argument. Using `aes(colour = from_theme(ink))`
@@ -219,12 +226,10 @@ stage_scaled <- function(start = NULL, after_stat = NULL, after_scale = NULL) {
 }
 
 # Regex to determine if an identifier refers to a calculated aesthetic
+# The pattern includes ye olde '...var...' syntax, which was
+# deprecated in 3.4.0 in favour of `after_stat()`
 match_calculated_aes <- "^\\.\\.([a-zA-Z._]+)\\.\\.$"
 
-is_dotted_var <- function(x) {
-  grepl(match_calculated_aes, x)
-}
-
 # Determine if aesthetic is calculated
 is_calculated_aes <- function(aesthetics, warn = FALSE) {
   vapply(aesthetics, is_calculated, warn = warn, logical(1), USE.NAMES = FALSE)
@@ -246,7 +251,8 @@ is_calculated <- function(x, warn = FALSE) {
   if (is.null(x) || is.atomic(x)) {
     FALSE
   } else if (is.symbol(x)) {
-    res <- is_dotted_var(as.character(x))
+    # Test if x is a dotted variable
+    res <- grepl(match_calculated_aes, as.character(x))
     if (res && warn) {
       what <- I(paste0("The dot-dot notation (`", x, "`)"))
       var <- gsub(match_calculated_aes, "\\1", as.character(x))
@@ -333,7 +339,7 @@ strip_stage <- function(expr) {
   } else if (is_call(uq_expr, "stage")) {
     uq_expr <- call_match(uq_expr, stage)
     # Prefer stat mapping if present, otherwise original mapping (fallback to
-    # scale mapping) but there should always be two arguments to stage()
+    # scale mapping)
     uq_expr$after_stat %||% uq_expr$start %||% uq_expr$after_scale
   } else {
     expr
@@ -359,3 +365,39 @@ make_labels <- function(mapping) {
   }
   Map(default_label, names(mapping), mapping)
 }
+
+eval_aesthetics <- function(aesthetics, data, mask = NULL) {
+
+  env <- child_env(base_env())
+
+  # Here we mask functions, often to replace `stage()` with context appropriate
+  # functions `stage_calculated()`/`stage_scaled()`.
+  if (length(mask) > 0) {
+    aesthetics <- substitute_aes(aesthetics, mask_function, mask = mask)
+  }
+
+  evaled <- lapply(aesthetics, eval_tidy, data = data, env = env)
+  names(evaled) <- names(aesthetics)
+  compact(rename_aes(evaled))
+}
+
+# `mask` is a list of functions where `names(mask)` indicate names of functions
+# that need to be replaced, and `mask[[i]]` is the function to replace it
+# with.
+mask_function <- function(x, mask) {
+  if (!is.call(x)) {
+    return(x)
+  }
+  nms <- names(mask)
+  x[-1] <- lapply(x[-1], mask_function, mask = mask)
+  if (!is_call(x, nms)) {
+    return(x)
+  }
+  for (nm in nms) {
+    if (is_call(x, nm)) {
+      x[[1]] <- mask[[nm]]
+      return(x)
+    }
+  }
+}
+

R/aes.R

@@ -102,6 +102,10 @@ aes <- function(x, y, ...) {
   rename_aes(aes)
 }
 
+#' @export
+#' @rdname is_tests
+is.mapping <- function(x) inherits(x, "uneval")
+
 # Wrap symbolic objects in quosures but pull out constants out of
 # quosures for backward-compatibility
 new_aesthetic <- function(x, env = globalenv()) {
@@ -177,7 +181,12 @@ standardise_aes_names <- function(x) {
   x <- sub("color", "colour", x, fixed = TRUE)
 
   # convert old-style aesthetics names to ggplot version
-  revalue(x, ggplot_global$base_to_ggplot)
+  convert <- ggplot_global$base_to_ggplot
+  convert <- convert[names(convert) %in% x]
+  if (length(convert) > 0) {
+    x[match(names(convert), x)] <- convert
+  }
+  x
 }
 
 # x is a list of aesthetic mappings, as generated by aes()
@@ -189,9 +198,12 @@ rename_aes <- function(x) {
   }
   x
 }
-substitute_aes <- function(x) {
+
+# `x` is assumed to be a strict list of quosures;
+# it should have no non-quosure constants in it, even though `aes()` allows it.
+substitute_aes <- function(x, fun = standardise_aes_symbols, ...) {
   x <- lapply(x, function(aesthetic) {
-    as_quosure(standardise_aes_symbols(quo_get_expr(aesthetic)), env = environment(aesthetic))
+    as_quosure(fun(quo_get_expr(aesthetic), ...), env = environment(aesthetic))
   })
   class(x) <- "uneval"
   x
@@ -448,7 +460,9 @@ arg_enquos <- function(name, frame = caller_env()) {
   quo <- inject(enquo0(!!sym(name)), frame)
   expr <- quo_get_expr(quo)
 
-  if (!is_missing(expr) && is_triple_bang(expr)) {
+  is_triple_bang <- !is_missing(expr) &&
+    is_bang(expr) && is_bang(expr[[2]]) && is_bang(expr[[c(2, 2)]])
+  if (is_triple_bang) {
     # Evaluate `!!!` operand and create a list of quosures
     env <- quo_get_env(quo)
     xs <- eval_bare(expr[[2]][[2]][[2]], env)

R/backports.R

@@ -67,6 +67,6 @@ on_load({
     as.mask <- grid::as.mask
   }
   if ("linearGradient" %in% getNamespaceExports("grid")) {
-    linearGradient <- grid::linearGradient()
+    linearGradient <- grid::linearGradient
   }
 })