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Fix line highlight for non-base16 themes

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This commit is contained in:
Roberto Alsina 2024-08-09 14:42:33 -03:00
parent d1762f477a
commit 96dcb7e15e
3 changed files with 24 additions and 4 deletions
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1
src/constants.cr
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@ -1,6 +1,5 @@
module Tartrazine module Tartrazine
Abbreviations = { Abbreviations = {
"Highlight" => "hl",
"NameTag" => "nt", "NameTag" => "nt",
"NameBuiltin" => "nb", "NameBuiltin" => "nb",
"NameVariable" => "nv", "NameVariable" => "nv",

3
src/formatters/html.cr
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@ -46,8 +46,7 @@ module Tartrazine
outp << "<pre class=\"#{get_css_class("Background", theme)}\"><code class=\"#{get_css_class("Background", theme)}\">" outp << "<pre class=\"#{get_css_class("Background", theme)}\"><code class=\"#{get_css_class("Background", theme)}\">"
lines.each_with_index(offset: line_number_start - 1) do |line, i| lines.each_with_index(offset: line_number_start - 1) do |line, i|
line_label = line_numbers? ? "#{i + 1}".rjust(4).ljust(5) : "" line_label = line_numbers? ? "#{i + 1}".rjust(4).ljust(5) : ""
line_class = highlighted?(i + 1) ? "class=\"#{get_css_class("LineHighlight", theme)}\"" : ""
line_class = highlighted?(i + 1) ? "class=\"#{get_css_class("Highlight", theme)}\"" : ""
outp << "<span id=\"#{line_number_id_prefix}#{i + 1}\" #{line_class}>#{line_label}</span>" outp << "<span id=\"#{line_number_id_prefix}#{i + 1}\" #{line_class}>#{line_label}</span>"
line.each do |token| line.each do |token|
fragment = "<span class=\"#{get_css_class(token[:type], theme)}\">#{token[:value]}</span>" fragment = "<span class=\"#{get_css_class(token[:type], theme)}\">#{token[:value]}</span>"

24
src/styles.cr
View File

@ -104,7 +104,7 @@ module Tartrazine
# https://github.com/mohd-akram/base16-pygments/ # https://github.com/mohd-akram/base16-pygments/
theme.styles["Background"] = Style.new(color: t["base05"], background: t["base00"]) theme.styles["Background"] = Style.new(color: t["base05"], background: t["base00"])
theme.styles["Highlight"] = Style.new(color: t["base0D"], background: t["base01"]) theme.styles["LineHighlight"] = Style.new(color: t["base0D"], background: t["base01"])
theme.styles["Text"] = Style.new(color: t["base05"]) theme.styles["Text"] = Style.new(color: t["base05"])
theme.styles["Error"] = Style.new(color: t["base08"]) theme.styles["Error"] = Style.new(color: t["base08"])
theme.styles["Comment"] = Style.new(color: t["base03"]) theme.styles["Comment"] = Style.new(color: t["base03"])
@ -163,7 +163,29 @@ module Tartrazine
theme.styles[node["type"]] = s theme.styles[node["type"]] = s
end end
# We really want a LineHighlight class
if !theme.styles.has_key?("LineHighlight")
theme.styles["LineHighlight"] = Style.new
theme.styles["LineHighlight"].background = make_highlight_color(theme.styles["Background"].background)
end
theme theme
end end
# If the color is dark, make it brighter and viceversa
def self.make_highlight_color(base_color)
return nil if base_color.nil?
color = Color.new(base_color.hex)
if base_color.light?
color.r = [(base_color.r / 1.2), 255].min.to_u8
color.g = [(base_color.g / 1.2), 255].min.to_u8
color.b = [(base_color.b / 1.2), 255].min.to_u8
else
color.r = [(base_color.r * 1.2), 255].min.to_u8
color.g = [(base_color.g * 1.2), 255].min.to_u8
color.b = [(base_color.b * 1.2), 255].min.to_u8
end
color.hex = "#{color.r.to_s(16)}#{color.g.to_s(16)}#{color.b.to_s(16)}"
color
end
end end
end end