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Issue #25198: In Idle doc viewer, fix indent of fixed-pitch <pre> text

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by adding a new tag.  Patch by Mark Roseman. Also give <pre> text a very
light blueish-gray background similar to that used by Sphinx html.
This commit is contained in:
Terry Jan Reedy 2015-09-24 17:32:01 -04:00
parent 74edd3580e
commit 974a271105
1 changed files with 11 additions and 8 deletions
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19
Lib/idlelib/help.py
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@ -48,7 +48,8 @@ class HelpParser(HTMLParser):
def __init__(self, text):
HTMLParser.__init__(self, convert_charrefs=True)
self.text = text # text widget we're rendering into
self.tags = '' # current text tags to apply
self.tags = '' # current block level text tags to apply
self.chartags = '' # current character level text tags
self.show = False # used so we exclude page navigation
self.hdrlink = False # used so we don't show header links
self.level = 0 # indentation level
@ -78,11 +79,11 @@ def handle_starttag(self, tag, attrs):
elif tag == 'p' and class_ != 'first':
s = '\n\n'
elif tag == 'span' and class_ == 'pre':
self.tags = 'pre'
self.chartags = 'pre'
elif tag == 'span' and class_ == 'versionmodified':
self.tags = 'em'
self.chartags = 'em'
elif tag == 'em':
self.tags = 'em'
self.chartags = 'em'
elif tag in ['ul', 'ol']:
if class_.find('simple') != -1:
s = '\n'
@ -120,16 +121,18 @@ def handle_starttag(self, tag, attrs):
self.text.insert('end', '\n\n')
self.tags = tag
if self.show:
self.text.insert('end', s, self.tags)
self.text.insert('end', s, (self.tags, self.chartags))
def handle_endtag(self, tag):
"Handle endtags in help.html."
if tag in ['h1', 'h2', 'h3', 'span', 'em']:
if tag in ['h1', 'h2', 'h3']:
self.indent(0) # clear tag, reset indent
if self.show and tag in ['h1', 'h2', 'h3']:
title = self.data
self.contents.append(('toc'+str(self.tocid), title))
self.tocid += 1
elif tag in ['span', 'em']:
self.chartags = ''
elif tag == 'a':
self.hdrlink = False
elif tag == 'pre':
@ -148,7 +151,7 @@ def handle_data(self, data):
if d[0:len(self.hprefix)] == self.hprefix:
d = d[len(self.hprefix):].strip()
self.data += d
self.text.insert('end', d, self.tags)
self.text.insert('end', d, (self.tags, self.chartags))
class HelpText(Text):
@ -165,7 +168,7 @@ def __init__(self, parent, filename):
self.tag_configure('h1', font=(normalfont, 20, 'bold'))
self.tag_configure('h2', font=(normalfont, 18, 'bold'))
self.tag_configure('h3', font=(normalfont, 15, 'bold'))
self.tag_configure('pre', font=(fixedfont, 12))
self.tag_configure('pre', font=(fixedfont, 12), background='#f6f6ff')
self.tag_configure('preblock', font=(fixedfont, 10), lmargin1=25,
borderwidth=1, relief='solid', background='#eeffcc')
self.tag_configure('l1', lmargin1=25, lmargin2=25)