var dx = 0.0
var dy = 0.0
var text_width = 0.0
+ var line_sprites = new Array[Sprite]
+ # TextSprite customization
var max_width = text_sprites.max_width
var max_height = text_sprites.max_height
var scale = text_sprites.scale
+ # Font customization
var line_height = desc.line_height * scale
var partial_line_skip = line_height * partial_line_mod.to_f
- var line_sprites = new Array[Sprite]
+ # Links data
+ text_sprites.links.clear
+ var in_link = false
+ var link_sprites = new Array[Sprite]
+ var link_name = ""
+
+ # Loop over all characters
var prev_char = null
var i = -1
while i < text.length - 1 do
else 16.0
dx += space_advance * scale
word_break = true
+ else if c == '[' then
+ # Open link?
+ if i + 1 < text.length and text[i+1] == '[' then
+ # Escape if duplicated
+ i += 1
+ else
+ in_link = true
+ continue
+ end
+ else if c == ']' then
+ # Close link?
+ if i + 1 < text.length and text[i+1] == ']' then
+ # Escape if duplicated
+ i += 1
+ else
+ # If there's a () use it as link_name
+ var j = i + 1
+ if j < text.length and text[j] == '(' then
+ var new_name
+ new_name = ""
+ loop
+ j += 1
+ if j > text.length then
+ # No closing ), abort
+ new_name = null
+ break
+ end
+
+ var l = text[j]
+ if l == ')' then break
+ new_name += l.to_s
+ end
+ if new_name != null then
+ link_name = new_name
+ i = j
+ end
+ end
+
+ # Register the link for the clients
+ text_sprites.links[link_name] = link_sprites
+
+ # Prepare next link
+ in_link = false
+ link_sprites = new Array[Sprite]
+ link_name = ""
+ continue
+ end
end
+ if in_link then link_name += c.to_s
+
# End of a word?
if word_break then
# If we care about line width, check for overflow
for wi in [i+1..text.length[ do
var w = text[wi]
- if w == '\n' or w == pld or w == plu or w.is_whitespace then break
+ if w == '\n' or w == pld or w == plu or w.is_whitespace or (in_link and w == ']') then break
word_len += advance(prev_w, w) * scale
prev_w = w
end
s.scale = scale * char_info.scale
text_sprites.sprites.add s
line_sprites.add s
+ if in_link then link_sprites.add s
dx += (advance + kerning) * scale
prev_char = c
# Defaults to 1.0.
var scale = 1.0 is optional, writable
+ # Links in the currently displayed text
+ #
+ # Links are declared in a Markdown-like format:
+ #
+ # * `[my link]` creates a link with the name `my link`.
+ # * `[pretty name](internal name)` creates a link with the
+ # name `internal_name` while showing the text `pretty name`.
+ #
+ # This `Map` lists the sprites composing each link.
+ # These sprites can be modified as desired by the clients,
+ # by changing their tints or anything else.
+ var links = new Map[String, Array[Sprite]] is lazy
+
# Width of the currently displayed text
var width = 0.0
nitlanguage / nit.git / commitdiff