librelogo/source/LibreLogo/LibreLogo.py | 71 +++++++++++++++++++++++++++++++-
1 file changed, 70 insertions(+), 1 deletion(-)
New commits:
commit 89c34706331984d12af8ce99444d53f19b40b496
Author: László Németh <nem...@numbertext.org>
AuthorDate: Sun Apr 10 19:53:56 2022 +0200
Commit: László Németh <nem...@numbertext.org>
CommitDate: Fri Apr 22 20:46:35 2022 +0200
LibreLogo: add basic HTML formatting support to LABEL
It's possible to format character spans in text
of LABEL, as bold, italic and underline text
using HTML tags <B>, <I> and <U> and their
lowercase equivalents. For example,
LABEL '<i>Italic, <b>also bold</b></i> and <u>underline</u>.'
Use HTML "<" to avoid of the replacement. For example,
LABEL 'some <i>text</i>'
prints "some <i>text</i>" instead of "some text"
with italic "text" in it.
Change-Id: I70fd97763c6c488eba23c168a541b84cff0c90e4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132786
Tested-by: László Németh <nem...@numbertext.org>
Reviewed-by: László Németh <nem...@numbertext.org>
diff --git a/librelogo/source/LibreLogo/LibreLogo.py
b/librelogo/source/LibreLogo/LibreLogo.py
index 804057a9689d..7aa71cac7be0 100644
--- a/librelogo/source/LibreLogo/LibreLogo.py
+++ b/librelogo/source/LibreLogo/LibreLogo.py
@@ -203,6 +203,7 @@ from com.sun.star.drawing.CircleKind import CUT as __CUT__
from com.sun.star.drawing.CircleKind import ARC as __ARC__
from com.sun.star.awt.FontSlant import NONE as __Slant_NONE__
from com.sun.star.awt.FontSlant import ITALIC as __Slant_ITALIC__
+from com.sun.star.awt.FontUnderline import SINGLE as __Underline_SINGLE__
from com.sun.star.awt import Size as __Size__
from com.sun.star.awt import WindowDescriptor as __WinDesc__
from com.sun.star.awt.WindowClass import MODALTOP as __MODALTOP__
@@ -1270,8 +1271,55 @@ def label(st):
_.shapecache[__ACTUAL__] = actual
return z
-def text(shape, st):
+def __get_HTML_format__(orig_st):
+ "Process HTML-like tags, and return with text and formatting vector"
+ st = orig_st.replace('<', '\uE000')
+ if not ('<' in st and '>' in st):
+ return st.replace('\uE000', '<'), None
+ tex = "" # characters without HTML tags
+ pat = [] # bit vectors of the previous characters
+ # 1st bit: bold
+ # 2nd bit: italic
+ # 3rd bit: underline
+ f = 0
+ tags = ['<b>', '</b>', '<i>', '</i>', '<u>', '</u>']
+ # store embedding level of the same element to disable it
+ # only at the most outer closing tag, e.g. <i>a <i>double</i> italic here,
too</i>
+ bit_level = {0: 0, 1: 0, 2: 0}
+ i = 0
+ while i < len(st):
+ is_tag = False
+ for j in range(len(tags)):
+ if st[i:i + 4].lower().startswith(tags[j]):
+ bit = j // 2
+ # opening tag
+ if j % 2 == 0:
+ f |= (1 << bit)
+ bit_level[bit] += 1
+ else:
+ if bit_level[bit] > 0:
+ bit_level[bit] -= 1
+ if bit_level[bit] == 0:
+ f &= ~(1 << bit)
+ i += len(tags[j]) - 1
+ is_tag = True
+ break
+
+ if not is_tag:
+ tex = tex + st[i]
+ pat.append(f)
+ i += 1
+
+ # no tags
+ if len(st) == len(tex):
+ pat = None
+
+ return tex.replace('\uE000', '<'), pat
+
+def text(shape, orig_st):
if shape:
+ # analyse HTML
+ st, formatting = __get_HTML_format__(orig_st)
shape.setString(__string__(st, _.decimal))
c = shape.createTextCursor()
c.gotoStart(False)
@@ -1281,6 +1329,27 @@ def text(shape, st):
c.CharWeight = __fontweight__(_.fontweight)
c.CharPosture = __fontstyle__(_.fontstyle)
c.CharFontName = _.fontfamily
+ # has HTML-like formatting
+ if formatting != None:
+ prev_format = 0
+ c.collapseToStart()
+ n = 0 # length of the previous text span
+ formatting.append(0) # add terminating 0 to process last span
+ for i in formatting:
+ if i != prev_format:
+ do_formatting = prev_format != 0
+ c.goRight(n, do_formatting) # move cursor with optional
selection
+ if do_formatting:
+ if prev_format & (1 << 0):
+ c.CharWeight = 150
+ if prev_format & (1 << 1):
+ c.CharPosture = __Slant_ITALIC__
+ if prev_format & (1 << 2):
+ c.CharUnderline = __Underline_SINGLE__
+ c.collapseToEnd()
+ n = 0
+ n += 1
+ prev_format = i
def sleep(t):
_.time = _.time + t
