annotations: fixed UI problems in annotation view for newer browsers.

rhodecode/lib/codeblocks.py

@@ -1,703 +1,703 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2011-2017 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import logging
 import difflib
 from itertools import groupby
 
 from pygments import lex
 from pygments.formatters.html import _get_ttype_class as pygment_token_class
 from rhodecode.lib.helpers import (
     get_lexer_for_filenode, html_escape)
 from rhodecode.lib.utils2 import AttributeDict
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.lib.diff_match_patch import diff_match_patch
 from rhodecode.lib.diffs import LimitedDiffContainer
 from pygments.lexers import get_lexer_by_name
 
 plain_text_lexer = get_lexer_by_name(
     'text', stripall=False, stripnl=False, ensurenl=False)
 
 
 log = logging.getLogger()
 
 
 def filenode_as_lines_tokens(filenode, lexer=None):
     org_lexer = lexer
     lexer = lexer or get_lexer_for_filenode(filenode)
     log.debug('Generating file node pygment tokens for %s, %s, org_lexer:%s',
               lexer, filenode, org_lexer)
     tokens = tokenize_string(filenode.content, lexer)
     lines = split_token_stream(tokens, split_string='\n')
     rv = list(lines)
     return rv
 
 
 def tokenize_string(content, lexer):
     """
     Use pygments to tokenize some content based on a lexer
     ensuring all original new lines and whitespace is preserved
     """
 
     lexer.stripall = False
     lexer.stripnl = False
     lexer.ensurenl = False
     for token_type, token_text in lex(content, lexer):
         yield pygment_token_class(token_type), token_text
 
 
 def split_token_stream(tokens, split_string=u'\n'):
     """
     Take a list of (TokenType, text) tuples and split them by a string
 
     >>> split_token_stream([(TEXT, 'some\ntext'), (TEXT, 'more\n')])
     [(TEXT, 'some'), (TEXT, 'text'),
      (TEXT, 'more'), (TEXT, 'text')]
     """
 
     buffer = []
     for token_class, token_text in tokens:
         parts = token_text.split(split_string)
         for part in parts[:-1]:
             buffer.append((token_class, part))
             yield buffer
             buffer = []
 
         buffer.append((token_class, parts[-1]))
 
     if buffer:
         yield buffer
 
 
 def filenode_as_annotated_lines_tokens(filenode):
     """
     Take a file node and return a list of annotations => lines, if no annotation
     is found, it will be None.
 
     eg:
 
     [
         (annotation1, [
             (1, line1_tokens_list),
             (2, line2_tokens_list),
         ]),
         (annotation2, [
             (3, line1_tokens_list),
         ]),
         (None, [
             (4, line1_tokens_list),
         ]),
         (annotation1, [
             (5, line1_tokens_list),
             (6, line2_tokens_list),
         ])
     ]
     """
 
-    commit_cache = {} # cache commit_getter lookups
+    commit_cache = {}  # cache commit_getter lookups
 
     def _get_annotation(commit_id, commit_getter):
         if commit_id not in commit_cache:
             commit_cache[commit_id] = commit_getter()
         return commit_cache[commit_id]
 
     annotation_lookup = {
         line_no: _get_annotation(commit_id, commit_getter)
         for line_no, commit_id, commit_getter, line_content
         in filenode.annotate
     }
 
     annotations_lines = ((annotation_lookup.get(line_no), line_no, tokens)
                           for line_no, tokens
                           in enumerate(filenode_as_lines_tokens(filenode), 1))
 
     grouped_annotations_lines = groupby(annotations_lines, lambda x: x[0])
 
     for annotation, group in grouped_annotations_lines:
         yield (
             annotation, [(line_no, tokens)
                           for (_, line_no, tokens) in group]
         )
 
 
 def render_tokenstream(tokenstream):
     result = []
     for token_class, token_ops_texts in rollup_tokenstream(tokenstream):
 
         if token_class:
             result.append(u'<span class="%s">' % token_class)
         else:
             result.append(u'<span>')
 
         for op_tag, token_text in token_ops_texts:
 
             if op_tag:
                 result.append(u'<%s>' % op_tag)
 
             escaped_text = html_escape(token_text)
 
             # TODO: dan: investigate showing hidden characters like space/nl/tab
             # escaped_text = escaped_text.replace(' ', '<sp> </sp>')
             # escaped_text = escaped_text.replace('\n', '<nl>\n</nl>')
             # escaped_text = escaped_text.replace('\t', '<tab>\t</tab>')
 
             result.append(escaped_text)
 
             if op_tag:
                 result.append(u'</%s>' % op_tag)
 
         result.append(u'</span>')
 
     html = ''.join(result)
     return html
 
 
 def rollup_tokenstream(tokenstream):
     """
     Group a token stream of the format:
 
         ('class', 'op', 'text')
     or
         ('class', 'text')
 
     into
 
         [('class1',
             [('op1', 'text'),
              ('op2', 'text')]),
          ('class2',
             [('op3', 'text')])]
 
     This is used to get the minimal tags necessary when
     rendering to html eg for a token stream ie.
 
     <span class="A"><ins>he</ins>llo</span>
     vs
     <span class="A"><ins>he</ins></span><span class="A">llo</span>
 
     If a 2 tuple is passed in, the output op will be an empty string.
 
     eg:
 
     >>> rollup_tokenstream([('classA', '',      'h'),
                             ('classA', 'del',   'ell'),
                             ('classA', '',      'o'),
                             ('classB', '',      ' '),
                             ('classA', '',      'the'),
                             ('classA', '',      're'),
                             ])
 
     [('classA', [('', 'h'), ('del', 'ell'), ('', 'o')],
      ('classB', [('', ' ')],
      ('classA', [('', 'there')]]
 
     """
     if tokenstream and len(tokenstream[0]) == 2:
         tokenstream = ((t[0], '', t[1]) for t in tokenstream)
 
     result = []
     for token_class, op_list in groupby(tokenstream, lambda t: t[0]):
         ops = []
         for token_op, token_text_list in groupby(op_list, lambda o: o[1]):
             text_buffer = []
             for t_class, t_op, t_text in token_text_list:
                 text_buffer.append(t_text)
             ops.append((token_op, ''.join(text_buffer)))
         result.append((token_class, ops))
     return result
 
 
 def tokens_diff(old_tokens, new_tokens, use_diff_match_patch=True):
     """
     Converts a list of (token_class, token_text) tuples to a list of
     (token_class, token_op, token_text) tuples where token_op is one of
     ('ins', 'del', '')
 
     :param old_tokens: list of (token_class, token_text) tuples of old line
     :param new_tokens: list of (token_class, token_text) tuples of new line
     :param use_diff_match_patch: boolean, will use google's diff match patch
         library which has options to 'smooth' out the character by character
         differences making nicer ins/del blocks
     """
 
     old_tokens_result = []
     new_tokens_result = []
 
     similarity = difflib.SequenceMatcher(None,
         ''.join(token_text for token_class, token_text in old_tokens),
         ''.join(token_text for token_class, token_text in new_tokens)
     ).ratio()
 
     if similarity < 0.6: # return, the blocks are too different
         for token_class, token_text in old_tokens:
             old_tokens_result.append((token_class, '', token_text))
         for token_class, token_text in new_tokens:
             new_tokens_result.append((token_class, '', token_text))
         return old_tokens_result, new_tokens_result, similarity
 
     token_sequence_matcher = difflib.SequenceMatcher(None,
         [x[1] for x in old_tokens],
         [x[1] for x in new_tokens])
 
     for tag, o1, o2, n1, n2 in token_sequence_matcher.get_opcodes():
         # check the differences by token block types first to give a more
         # nicer "block" level replacement vs character diffs
 
         if tag == 'equal':
             for token_class, token_text in old_tokens[o1:o2]:
                 old_tokens_result.append((token_class, '', token_text))
             for token_class, token_text in new_tokens[n1:n2]:
                 new_tokens_result.append((token_class, '', token_text))
         elif tag == 'delete':
             for token_class, token_text in old_tokens[o1:o2]:
                 old_tokens_result.append((token_class, 'del', token_text))
         elif tag == 'insert':
             for token_class, token_text in new_tokens[n1:n2]:
                 new_tokens_result.append((token_class, 'ins', token_text))
         elif tag == 'replace':
             # if same type token blocks must be replaced, do a diff on the
             # characters in the token blocks to show individual changes
 
             old_char_tokens = []
             new_char_tokens = []
             for token_class, token_text in old_tokens[o1:o2]:
                 for char in token_text:
                     old_char_tokens.append((token_class, char))
 
             for token_class, token_text in new_tokens[n1:n2]:
                 for char in token_text:
                     new_char_tokens.append((token_class, char))
 
             old_string = ''.join([token_text for
                 token_class, token_text in old_char_tokens])
             new_string = ''.join([token_text for
                 token_class, token_text in new_char_tokens])
 
             char_sequence = difflib.SequenceMatcher(
                 None, old_string, new_string)
             copcodes = char_sequence.get_opcodes()
             obuffer, nbuffer = [], []
 
             if use_diff_match_patch:
                 dmp = diff_match_patch()
                 dmp.Diff_EditCost = 11 # TODO: dan: extract this to a setting
                 reps = dmp.diff_main(old_string, new_string)
                 dmp.diff_cleanupEfficiency(reps)
 
                 a, b = 0, 0
                 for op, rep in reps:
                     l = len(rep)
                     if op == 0:
                         for i, c in enumerate(rep):
                             obuffer.append((old_char_tokens[a+i][0], '', c))
                             nbuffer.append((new_char_tokens[b+i][0], '', c))
                         a += l
                         b += l
                     elif op == -1:
                         for i, c in enumerate(rep):
                             obuffer.append((old_char_tokens[a+i][0], 'del', c))
                         a += l
                     elif op == 1:
                         for i, c in enumerate(rep):
                             nbuffer.append((new_char_tokens[b+i][0], 'ins', c))
                         b += l
             else:
                 for ctag, co1, co2, cn1, cn2 in copcodes:
                     if ctag == 'equal':
                         for token_class, token_text in old_char_tokens[co1:co2]:
                             obuffer.append((token_class, '', token_text))
                         for token_class, token_text in new_char_tokens[cn1:cn2]:
                             nbuffer.append((token_class, '', token_text))
                     elif ctag == 'delete':
                         for token_class, token_text in old_char_tokens[co1:co2]:
                             obuffer.append((token_class, 'del', token_text))
                     elif ctag == 'insert':
                         for token_class, token_text in new_char_tokens[cn1:cn2]:
                             nbuffer.append((token_class, 'ins', token_text))
                     elif ctag == 'replace':
                         for token_class, token_text in old_char_tokens[co1:co2]:
                             obuffer.append((token_class, 'del', token_text))
                         for token_class, token_text in new_char_tokens[cn1:cn2]:
                             nbuffer.append((token_class, 'ins', token_text))
 
             old_tokens_result.extend(obuffer)
             new_tokens_result.extend(nbuffer)
 
     return old_tokens_result, new_tokens_result, similarity
 
 
 class DiffSet(object):
     """
     An object for parsing the diff result from diffs.DiffProcessor and
     adding highlighting, side by side/unified renderings and line diffs
     """
 
     HL_REAL = 'REAL' # highlights using original file, slow
     HL_FAST = 'FAST' # highlights using just the line, fast but not correct
                      # in the case of multiline code
     HL_NONE = 'NONE' # no highlighting, fastest
 
     def __init__(self, highlight_mode=HL_REAL, repo_name=None,
                  source_repo_name=None,
                  source_node_getter=lambda filename: None,
                  target_node_getter=lambda filename: None,
                  source_nodes=None, target_nodes=None,
                  max_file_size_limit=150 * 1024, # files over this size will
                                                  # use fast highlighting
                  comments=None,
                  ):
 
         self.highlight_mode = highlight_mode
         self.highlighted_filenodes = {}
         self.source_node_getter = source_node_getter
         self.target_node_getter = target_node_getter
         self.source_nodes = source_nodes or {}
         self.target_nodes = target_nodes or {}
         self.repo_name = repo_name
         self.source_repo_name = source_repo_name or repo_name
         self.comments = comments or {}
         self.comments_store = self.comments.copy()
         self.max_file_size_limit = max_file_size_limit
 
     def render_patchset(self, patchset, source_ref=None, target_ref=None):
         diffset = AttributeDict(dict(
             lines_added=0,
             lines_deleted=0,
             changed_files=0,
             files=[],
             file_stats={},
             limited_diff=isinstance(patchset, LimitedDiffContainer),
             repo_name=self.repo_name,
             source_repo_name=self.source_repo_name,
             source_ref=source_ref,
             target_ref=target_ref,
         ))
         for patch in patchset:
             diffset.file_stats[patch['filename']] = patch['stats']
             filediff = self.render_patch(patch)
             filediff.diffset = diffset
             diffset.files.append(filediff)
             diffset.changed_files += 1
             if not patch['stats']['binary']:
                 diffset.lines_added += patch['stats']['added']
                 diffset.lines_deleted += patch['stats']['deleted']
 
         return diffset
 
     _lexer_cache = {}
     def _get_lexer_for_filename(self, filename, filenode=None):
         # cached because we might need to call it twice for source/target
         if filename not in self._lexer_cache:
             if filenode:
                 lexer = filenode.lexer
             else:
                 lexer = FileNode.get_lexer(filename=filename)
             self._lexer_cache[filename] = lexer
         return self._lexer_cache[filename]
 
     def render_patch(self, patch):
         log.debug('rendering diff for %r' % patch['filename'])
 
         source_filename = patch['original_filename']
         target_filename = patch['filename']
 
         source_lexer = plain_text_lexer
         target_lexer = plain_text_lexer
 
         if not patch['stats']['binary']:
             if self.highlight_mode == self.HL_REAL:
                 if (source_filename and patch['operation'] in ('D', 'M')
                     and source_filename not in self.source_nodes):
                         self.source_nodes[source_filename] = (
                             self.source_node_getter(source_filename))
 
                 if (target_filename and patch['operation'] in ('A', 'M')
                     and target_filename not in self.target_nodes):
                         self.target_nodes[target_filename] = (
                             self.target_node_getter(target_filename))
 
             elif self.highlight_mode == self.HL_FAST:
                 source_lexer = self._get_lexer_for_filename(source_filename)
                 target_lexer = self._get_lexer_for_filename(target_filename)
 
         source_file = self.source_nodes.get(source_filename, source_filename)
         target_file = self.target_nodes.get(target_filename, target_filename)
 
         source_filenode, target_filenode = None, None
 
         # TODO: dan: FileNode.lexer works on the content of the file - which
         # can be slow - issue #4289 explains a lexer clean up - which once
         # done can allow caching a lexer for a filenode to avoid the file lookup
         if isinstance(source_file, FileNode):
             source_filenode = source_file
             #source_lexer = source_file.lexer
             source_lexer = self._get_lexer_for_filename(source_filename)
             source_file.lexer = source_lexer
 
         if isinstance(target_file, FileNode):
             target_filenode = target_file
             #target_lexer = target_file.lexer
             target_lexer = self._get_lexer_for_filename(target_filename)
             target_file.lexer = target_lexer
 
         source_file_path, target_file_path = None, None
 
         if source_filename != '/dev/null':
             source_file_path = source_filename
         if target_filename != '/dev/null':
             target_file_path = target_filename
 
         source_file_type = source_lexer.name
         target_file_type = target_lexer.name
 
         op_hunks = patch['chunks'][0]
         hunks = patch['chunks'][1:]
 
         filediff = AttributeDict({
             'source_file_path': source_file_path,
             'target_file_path': target_file_path,
             'source_filenode': source_filenode,
             'target_filenode': target_filenode,
             'hunks': [],
             'source_file_type': target_file_type,
             'target_file_type': source_file_type,
             'patch': patch,
             'source_mode': patch['stats']['old_mode'],
             'target_mode': patch['stats']['new_mode'],
             'limited_diff': isinstance(patch, LimitedDiffContainer),
             'diffset': self,
         })
 
         for hunk in hunks:
             hunkbit = self.parse_hunk(hunk, source_file, target_file)
             hunkbit.filediff = filediff
             filediff.hunks.append(hunkbit)
 
         left_comments = {}
 
         if source_file_path in self.comments_store:
             for lineno, comments in self.comments_store[source_file_path].items():
                 left_comments[lineno] = comments
 
         if target_file_path in self.comments_store:
             for lineno, comments in self.comments_store[target_file_path].items():
                 left_comments[lineno] = comments
 
         filediff.left_comments = left_comments
         return filediff
 
     def parse_hunk(self, hunk, source_file, target_file):
         result = AttributeDict(dict(
             source_start=hunk['source_start'],
             source_length=hunk['source_length'],
             target_start=hunk['target_start'],
             target_length=hunk['target_length'],
             section_header=hunk['section_header'],
             lines=[],
         ))
         before, after = [], []
 
         for line in hunk['lines']:
             if line['action'] == 'unmod':
                 result.lines.extend(
                     self.parse_lines(before, after, source_file, target_file))
                 after.append(line)
                 before.append(line)
             elif line['action'] == 'add':
                 after.append(line)
             elif line['action'] == 'del':
                 before.append(line)
             elif line['action'] == 'old-no-nl':
                 before.append(line)
             elif line['action'] == 'new-no-nl':
                 after.append(line)
 
         result.lines.extend(
             self.parse_lines(before, after, source_file, target_file))
         result.unified = self.as_unified(result.lines)
         result.sideside = result.lines
 
         return result
 
     def parse_lines(self, before_lines, after_lines, source_file, target_file):
         # TODO: dan: investigate doing the diff comparison and fast highlighting
         # on the entire before and after buffered block lines rather than by
         # line, this means we can get better 'fast' highlighting if the context
         # allows it - eg.
         # line 4: """
         # line 5: this gets highlighted as a string
         # line 6: """
 
         lines = []
         while before_lines or after_lines:
             before, after = None, None
             before_tokens, after_tokens = None, None
 
             if before_lines:
                 before = before_lines.pop(0)
             if after_lines:
                 after = after_lines.pop(0)
 
             original = AttributeDict()
             modified = AttributeDict()
 
             if before:
                 if before['action'] == 'old-no-nl':
                     before_tokens = [('nonl', before['line'])]
                 else:
                     before_tokens = self.get_line_tokens(
                         line_text=before['line'], line_number=before['old_lineno'],
                         file=source_file)
                 original.lineno = before['old_lineno']
                 original.content = before['line']
                 original.action = self.action_to_op(before['action'])
                 original.comments = self.get_comments_for('old',
                     source_file, before['old_lineno'])
 
             if after:
                 if after['action'] == 'new-no-nl':
                     after_tokens = [('nonl', after['line'])]
                 else:
                     after_tokens = self.get_line_tokens(
                         line_text=after['line'], line_number=after['new_lineno'],
                         file=target_file)
                 modified.lineno = after['new_lineno']
                 modified.content = after['line']
                 modified.action = self.action_to_op(after['action'])
                 modified.comments = self.get_comments_for('new',
                     target_file, after['new_lineno'])
 
             # diff the lines
             if before_tokens and after_tokens:
                 o_tokens, m_tokens, similarity = tokens_diff(
                     before_tokens, after_tokens)
                 original.content = render_tokenstream(o_tokens)
                 modified.content = render_tokenstream(m_tokens)
             elif before_tokens:
                 original.content = render_tokenstream(
                     [(x[0], '', x[1]) for x in before_tokens])
             elif after_tokens:
                 modified.content = render_tokenstream(
                     [(x[0], '', x[1]) for x in after_tokens])
 
             lines.append(AttributeDict({
                 'original': original,
                 'modified': modified,
             }))
 
         return lines
 
     def get_comments_for(self, version, file, line_number):
         if hasattr(file, 'unicode_path'):
             file = file.unicode_path
 
         if not isinstance(file, basestring):
             return None
 
         line_key = {
             'old': 'o',
             'new': 'n',
         }[version] + str(line_number)
 
         if file in self.comments_store:
             file_comments = self.comments_store[file]
             if line_key in file_comments:
                 return file_comments.pop(line_key)
 
     def get_line_tokens(self, line_text, line_number, file=None):
         filenode = None
         filename = None
 
         if isinstance(file, basestring):
             filename = file
         elif isinstance(file, FileNode):
             filenode = file
             filename = file.unicode_path
 
         if self.highlight_mode == self.HL_REAL and filenode:
             lexer = self._get_lexer_for_filename(filename)
             file_size_allowed = file.size < self.max_file_size_limit
             if line_number and file_size_allowed:
                 return self.get_tokenized_filenode_line(
                     file, line_number, lexer)
 
         if self.highlight_mode in (self.HL_REAL, self.HL_FAST) and filename:
             lexer = self._get_lexer_for_filename(filename)
             return list(tokenize_string(line_text, lexer))
 
         return list(tokenize_string(line_text, plain_text_lexer))
 
     def get_tokenized_filenode_line(self, filenode, line_number, lexer=None):
 
         if filenode not in self.highlighted_filenodes:
             tokenized_lines = filenode_as_lines_tokens(filenode, lexer)
             self.highlighted_filenodes[filenode] = tokenized_lines
         return self.highlighted_filenodes[filenode][line_number - 1]
 
     def action_to_op(self, action):
         return {
             'add': '+',
             'del': '-',
             'unmod': ' ',
             'old-no-nl': ' ',
             'new-no-nl': ' ',
         }.get(action, action)
 
     def as_unified(self, lines):
         """
         Return a generator that yields the lines of a diff in unified order
         """
         def generator():
             buf = []
             for line in lines:
 
                 if buf and not line.original or line.original.action == ' ':
                     for b in buf:
                         yield b
                     buf = []
 
                 if line.original:
                     if line.original.action == ' ':
                         yield (line.original.lineno, line.modified.lineno,
                                line.original.action, line.original.content,
                                line.original.comments)
                         continue
 
                     if line.original.action == '-':
                         yield (line.original.lineno, None,
                                line.original.action, line.original.content,
                                line.original.comments)
 
                     if line.modified.action == '+':
                         buf.append((
                             None, line.modified.lineno,
                             line.modified.action, line.modified.content,
                             line.modified.comments))
                         continue
 
                 if line.modified:
                     yield (None, line.modified.lineno,
                            line.modified.action, line.modified.content,
                            line.modified.comments)
 
             for b in buf:
                 yield b
 
         return generator()

rhodecode/public/css/code-block.less

@@ -1,1143 +1,1135 b''
 // Default styles
 
 .diff-collapse {
     margin: @padding 0;
     text-align: right;
 }
 
 .diff-container {
     margin-bottom: @space;
 
     .diffblock {
         margin-bottom: @space;
     }
 
     &.hidden {
         display: none;
         overflow: hidden;
     }
 }
 
 .compare_view_files {
 
     .diff-container {
 
         .diffblock {
             margin-bottom: 0;
         }
     }
 }
 
 div.diffblock .sidebyside {
  background: #ffffff;
 }
 
 div.diffblock {
     overflow-x: auto;
     overflow-y: hidden;
     clear: both;
     padding: 0px;
     background: @grey6;
     border: @border-thickness solid @grey5;
     -webkit-border-radius: @border-radius @border-radius 0px 0px;
     border-radius: @border-radius @border-radius 0px 0px;
 
 
     .comments-number {
         float: right;
     }
 
     // BEGIN CODE-HEADER STYLES
 
     .code-header {
         background: @grey6;
         padding: 10px 0 10px 0;
         height: auto;
         width: 100%;
 
         .hash {
             float: left;
             padding: 2px 0 0 2px;
         }
 
         .date {
             float: left;
             text-transform: uppercase;
             padding: 4px 0px 0px 2px;
         }
 
         div {
             margin-left: 4px;
         }
 
         div.compare_header {
             min-height: 40px;
             margin: 0;
             padding: 0 @padding;
 
             .drop-menu {
                 float:left;
                 display: block;
                 margin:0 0 @padding 0;
             }
 
             .compare-label {
                 float: left;
                 clear: both;
                 display: inline-block;
                 min-width: 5em;
                 margin: 0;
                 padding: @button-padding @button-padding @button-padding 0;
                 font-family: @text-semibold;
             }
 
             .compare-buttons {
                 float: left;
                 margin: 0;
                 padding: 0 0 @padding;
 
                 .btn {
                     margin: 0 @padding 0 0;
                 }
             }
         }
 
     }
 
     .parents {
         float: left;
         width: 100px;
         font-weight: 400;
         vertical-align: middle;
         padding: 0px 2px 0px 2px;
         background-color: @grey6;
 
         #parent_link {
            margin: 00px 2px;
 
            &.double {
                margin: 0px 2px;
             }
 
             &.disabled{
                 margin-right: @padding;
             }
         }
     }
 
     .children {
         float: right;
         width: 100px;
         font-weight: 400;
         vertical-align: middle;
         text-align: right;
         padding: 0px 2px 0px 2px;
         background-color: @grey6;
 
         #child_link {
            margin: 0px 2px;
 
            &.double {
                margin: 0px 2px;
             }
 
             &.disabled{
                 margin-right: @padding;
             }
         }
     }
 
     .changeset_header {
         height: 16px;
 
         & > div{
             margin-right: @padding;
        }
     }
 
     .changeset_file {
         text-align: left;
         float: left;
         padding: 0;
 
         a{
             display: inline-block;
             margin-right: 0.5em;
         }
 
        #selected_mode{
             margin-left: 0;
        }
     }
 
     .diff-menu-wrapper {
         float: left;
     }
 
     .diff-menu {
         position: absolute;
         background: none repeat scroll 0 0 #FFFFFF;
         border-color: #003367 @grey3 @grey3;
         border-right: 1px solid @grey3;
         border-style: solid solid solid;
         border-width: @border-thickness;
         box-shadow: 2px 8px 4px rgba(0, 0, 0, 0.2);
         margin-top: 5px;
         margin-left: 1px;
     }
 
     .diff-actions, .editor-actions {
         float: left;
 
         input{
             margin: 0 0.5em 0 0;
         }
     }
 
     // END CODE-HEADER STYLES
 
     // BEGIN CODE-BODY STYLES
 
     .code-body {
         background: white;
         padding: 0;
         background-color: #ffffff;
         position: relative;
         max-width: none;
         box-sizing: border-box;
         // TODO: johbo: Parent has overflow: auto, this forces the child here
         // to have the intended size and to scroll. Should be simplified.
         width: 100%;
         overflow-x: auto;
     }
 
     pre.raw {
         background: white;
         color: @grey1;
     }
     // END CODE-BODY STYLES
 
 }
 
 
 table.code-difftable {
     border-collapse: collapse;
     width: 99%;
     border-radius: 0px !important;
 
      td {
         padding: 0 !important;
         background: none !important;
         border: 0 !important;
     }
 
     .context {
         background: none repeat scroll 0 0 #DDE7EF;
     }
 
     .add {
         background: none repeat scroll 0 0 #DDFFDD;
 
         ins {
             background: none repeat scroll 0 0 #AAFFAA;
             text-decoration: none;
         }
     }
 
     .del {
         background: none repeat scroll 0 0 #FFDDDD;
 
         del {
             background: none repeat scroll 0 0 #FFAAAA;
             text-decoration: none;
         }
     }
 
     /** LINE NUMBERS **/
     .lineno {
         padding-left: 2px !important;
         padding-right: 2px;
         text-align: right;
         width: 32px;
         -moz-user-select: none;
         -webkit-user-select: none;
         border-right: @border-thickness solid @grey5 !important;
         border-left: 0px solid #CCC !important;
         border-top: 0px solid #CCC !important;
         border-bottom: none !important;
 
         a {
             &:extend(pre);
             text-align: right;
             padding-right: 2px;
             cursor: pointer;
             display: block;
             width: 32px;
         }
     }
 
     .context {
         cursor: auto;
         &:extend(pre);
     }
 
     .lineno-inline {
         background: none repeat scroll 0 0 #FFF !important;
         padding-left: 2px;
         padding-right: 2px;
         text-align: right;
         width: 30px;
         -moz-user-select: none;
         -webkit-user-select: none;
     }
 
     /** CODE **/
     .code {
         display: block;
         width: 100%;
 
         td {
             margin: 0;
             padding: 0;
         }
 
         pre {
             margin: 0;
             padding: 0;
             margin-left: .5em;
         }
     }
 }
 
 
 // Comments
 
 div.comment:target {
     border-left: 6px solid @comment-highlight-color !important;
     padding-left: 3px;
     margin-left: -9px;
 }
 
 //TODO: anderson: can't get an absolute number out of anything, so had to put the
 //current values that might change. But to make it clear I put as a calculation
 @comment-max-width: 1065px;
 @pr-extra-margin: 34px;
 @pr-border-spacing: 4px;
 @pr-comment-width: @comment-max-width - @pr-extra-margin - @pr-border-spacing;
 
 // Pull Request
 .cs_files .code-difftable {
     border: @border-thickness solid @grey5; //borders only on PRs
 
     .comment-inline-form,
     div.comment {
         width: @pr-comment-width;
     }
 }
 
 // Changeset
 .code-difftable {
     .comment-inline-form,
     div.comment {
         width: @comment-max-width;
     }
 }
 
 //Style page
 @style-extra-margin: @sidebar-width + (@sidebarpadding * 3) + @padding;
 #style-page .code-difftable{
     .comment-inline-form,
     div.comment {
         width: @comment-max-width - @style-extra-margin;
     }
 }
 
 #context-bar > h2 {
     font-size: 20px;
 }
 
 #context-bar > h2> a {
     font-size: 20px;
 }
 // end of defaults
 
 .file_diff_buttons {
     padding: 0 0 @padding;
 
     .drop-menu {
         float: left;
         margin: 0 @padding 0 0;
     }
     .btn {
         margin: 0 @padding 0 0;
     }
 }
 
 .code-body.textarea.editor {
     max-width: none;
     padding: 15px;
 }
 
 td.injected_diff{
     max-width: 1178px;
     overflow-x: auto;
     overflow-y: hidden;
 
     div.diff-container,
     div.diffblock{
         max-width: 100%;
     }
 
     div.code-body {
         max-width: 1124px;
         overflow-x: auto;
         overflow-y: hidden;
         padding: 0;
     }
     div.diffblock {
         border: none;
     }
 
     &.inline-form {
         width: 99%
     }
  }
 
 
 table.code-difftable {
     width: 100%;
 }
 
 /** PYGMENTS COLORING **/
 div.codeblock {
 
     // TODO: johbo: Added interim to get rid of the margin around
     // Select2 widgets. This needs further cleanup.
     margin-top: @padding;
 
     overflow: auto;
     padding: 0px;
     border: @border-thickness solid @grey5;
     background: @grey6;
     .border-radius(@border-radius);
 
     #remove_gist {
         float: right;
     }
 
     .author {
         clear: both;
         vertical-align: middle;
         font-family: @text-bold;
     }
 
     .btn-mini {
         float: left;
         margin: 0 5px 0 0;
     }
 
     .code-header {
         padding: @padding;
         border-bottom: @border-thickness solid @grey5;
 
         .rc-user {
             min-width: 0;
             margin-right: .5em;
         }
 
         .stats {
             clear: both;
             margin: 0 0 @padding 0;
             padding: 0;
             .left {
                 float: left;
                 clear: left;
                 max-width: 75%;
                 margin: 0 0 @padding 0;
 
                 &.item {
                     margin-right: @padding;
                     &.last { border-right: none; }
                 }
             }
             .buttons { float: right; }
             .author {
                 height: 25px; margin-left: 15px; font-weight: bold;
             }
         }
 
         .commit {
             margin: 5px 0 0 26px;
             font-weight: normal;
             white-space: pre-wrap;
         }
     }
 
     .message {
         position: relative;
         margin: @padding;
 
         .codeblock-label {
             margin: 0 0 1em 0;
         }
     }
 
     .code-body {
         padding: @padding;
         background-color: #ffffff;
         min-width: 100%;
         box-sizing: border-box;
         // TODO: johbo: Parent has overflow: auto, this forces the child here
         // to have the intended size and to scroll. Should be simplified.
         width: 100%;
         overflow-x: auto;
     }
 }
 
 .code-highlighttable,
 div.codeblock {
 
     &.readme {
         background-color: white;
     }
 
     .markdown-block table {
         border-collapse: collapse;
 
         th,
         td {
             padding: .5em;
             border: @border-thickness solid @border-default-color;
         }
     }
 
     table {
         border: 0px;
         margin: 0;
         letter-spacing: normal;
 
 
         td {
             border: 0px;
             vertical-align: top;
         }
     }
 }
 
 div.codeblock .code-header .search-path { padding: 0 0 0 10px; }
 div.search-code-body {
     background-color: #ffffff; padding: 5px 0 5px 10px;
     pre {
         .match { background-color: #faffa6;}
         .break { display: block; width: 100%; background-color: #DDE7EF; color: #747474; }
     }
     .code-highlighttable {
         border-collapse: collapse;
 
         tr:hover {
             background: #fafafa;
         }
         td.code {
           padding-left: 10px;
         }
         td.line {
             border-right: 1px solid #ccc !important;
             padding-right: 10px;
             text-align: right;
             font-family: "Lucida Console",Monaco,monospace;
             span {
                 white-space: pre-wrap;
                 color: #666666;
             }
         }
     }
 }
 
 div.annotatediv { margin-left: 2px; margin-right: 4px; }
 .code-highlight {
     margin: 0; padding: 0; border-left: @border-thickness solid @grey5;
     pre, .linenodiv pre { padding: 0 5px; margin: 0; }
     pre div:target {background-color: @comment-highlight-color !important;}
 }
 
 .linenos a { text-decoration: none; }
 
 .CodeMirror-selected { background: @rchighlightblue; }
 .CodeMirror-focused .CodeMirror-selected { background: @rchighlightblue; }
 .CodeMirror ::selection { background: @rchighlightblue; }
 .CodeMirror ::-moz-selection { background: @rchighlightblue; }
 
 .code { display: block; border:0px !important; }
 .code-highlight, /* TODO: dan: merge codehilite into code-highlight */
 .codehilite {
     .hll { background-color: #ffffcc }
     .c { color: #408080; font-style: italic } /* Comment */
     .err, .codehilite .err { border: @border-thickness solid #FF0000 } /* Error */
     .k { color: #008000; font-weight: bold } /* Keyword */
     .o { color: #666666 } /* Operator */
     .cm { color: #408080; font-style: italic } /* Comment.Multiline */
     .cp { color: #BC7A00 } /* Comment.Preproc */
     .c1 { color: #408080; font-style: italic } /* Comment.Single */
     .cs { color: #408080; font-style: italic } /* Comment.Special */
     .gd { color: #A00000 } /* Generic.Deleted */
     .ge { font-style: italic } /* Generic.Emph */
     .gr { color: #FF0000 } /* Generic.Error */
     .gh { color: #000080; font-weight: bold } /* Generic.Heading */
     .gi { color: #00A000 } /* Generic.Inserted */
     .go { color: #808080 } /* Generic.Output */
     .gp { color: #000080; font-weight: bold } /* Generic.Prompt */
     .gs { font-weight: bold } /* Generic.Strong */
     .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
     .gt { color: #0040D0 } /* Generic.Traceback */
     .kc { color: #008000; font-weight: bold } /* Keyword.Constant */
     .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */
     .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
     .kp { color: #008000 } /* Keyword.Pseudo */
     .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
     .kt { color: #B00040 } /* Keyword.Type */
     .m { color: #666666 } /* Literal.Number */
     .s { color: #BA2121 } /* Literal.String */
     .na { color: #7D9029 } /* Name.Attribute */
     .nb { color: #008000 } /* Name.Builtin */
     .nc { color: #0000FF; font-weight: bold } /* Name.Class */
     .no { color: #880000 } /* Name.Constant */
     .nd { color: #AA22FF } /* Name.Decorator */
     .ni { color: #999999; font-weight: bold } /* Name.Entity */
     .ne { color: #D2413A; font-weight: bold } /* Name.Exception */
     .nf { color: #0000FF } /* Name.Function */
     .nl { color: #A0A000 } /* Name.Label */
     .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */
     .nt { color: #008000; font-weight: bold } /* Name.Tag */
     .nv { color: #19177C } /* Name.Variable */
     .ow { color: #AA22FF; font-weight: bold } /* Operator.Word */
     .w { color: #bbbbbb } /* Text.Whitespace */
     .mf { color: #666666 } /* Literal.Number.Float */
     .mh { color: #666666 } /* Literal.Number.Hex */
     .mi { color: #666666 } /* Literal.Number.Integer */
     .mo { color: #666666 } /* Literal.Number.Oct */
     .sb { color: #BA2121 } /* Literal.String.Backtick */
     .sc { color: #BA2121 } /* Literal.String.Char */
     .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
     .s2 { color: #BA2121 } /* Literal.String.Double */
     .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */
     .sh { color: #BA2121 } /* Literal.String.Heredoc */
     .si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */
     .sx { color: #008000 } /* Literal.String.Other */
     .sr { color: #BB6688 } /* Literal.String.Regex */
     .s1 { color: #BA2121 } /* Literal.String.Single */
     .ss { color: #19177C } /* Literal.String.Symbol */
     .bp { color: #008000 } /* Name.Builtin.Pseudo */
     .vc { color: #19177C } /* Name.Variable.Class */
     .vg { color: #19177C } /* Name.Variable.Global */
     .vi { color: #19177C } /* Name.Variable.Instance */
     .il { color: #666666 } /* Literal.Number.Integer.Long */
 }
 
 /* customized pre blocks for markdown/rst */
 pre.literal-block, .codehilite pre{
     padding: @padding;
     border: 1px solid @grey6;
     .border-radius(@border-radius);
     background-color: @grey7;
 }
 
 
 /* START NEW CODE BLOCK CSS */
 
 @cb-line-height: 18px;
 @cb-line-code-padding: 10px;
 @cb-text-padding: 5px;
 
 @pill-padding: 2px 7px;
 
 input.filediff-collapse-state {
     display: none;
 
     &:checked + .filediff { /* file diff is collapsed */
         .cb {
             display: none
         }
         .filediff-collapse-indicator {
             width: 0;
             height: 0;
             border-style: solid;
             border-width: 6.5px 0 6.5px 11.3px;
             border-color: transparent transparent transparent  #ccc;
         }
         .filediff-menu {
             display: none;
         }
         margin: 10px 0 0 0;
     }
 
     &+ .filediff { /* file diff is expanded */
         .filediff-collapse-indicator {
             width: 0;
             height: 0;
             border-style: solid;
             border-width: 11.3px 6.5px 0 6.5px;
             border-color: #ccc transparent transparent transparent;
         }
         .filediff-menu {
             display: block;
         }
         margin: 10px 0;
         &:nth-child(2) {
             margin: 0;
         }
     }
 }
 .cs_files {
     clear: both;
 }
 
 .diffset-menu {
     margin-bottom: 20px;
 }
 .diffset {
     margin: 20px auto;
     .diffset-heading {
         border: 1px solid @grey5;
         margin-bottom: -1px;
         // margin-top: 20px;
         h2 {
             margin: 0;
             line-height: 38px;
             padding-left: 10px;
         }
         .btn {
             margin: 0;
         }
         background: @grey6;
         display: block;
         padding: 5px;
     }
     .diffset-heading-warning {
         background: @alert3-inner;
         border: 1px solid @alert3;
     }
     &.diffset-comments-disabled {
         .cb-comment-box-opener, .comment-inline-form, .cb-comment-add-button {
             display: none !important;
         }
     }
 }
 
 .pill {
     display: block;
     float: left;
     padding: @pill-padding;
 }
 .pill-group {
     .pill {
         opacity: .8;
         &:first-child {
             border-radius: @border-radius 0 0 @border-radius;
         }
         &:last-child {
             border-radius: 0 @border-radius @border-radius 0;
         }
         &:only-child {
             border-radius: @border-radius;
         }
     }
 }
 
 /* Main comments*/
 #comments {
     .comment-selected {
         border-left: 6px solid @comment-highlight-color;
         padding-left: 3px;
         margin-left: -9px;
     }
 }
 
 .filediff {
     border: 1px solid @grey5;
 
     /* START OVERRIDES */
     .code-highlight {
         border: none;  // TODO: remove this border from the global
                        // .code-highlight, it doesn't belong there
     }
     label {
         margin: 0; // TODO: remove this margin definition from global label
                    // it doesn't belong there - if margin on labels
                    // are needed for a form they should be defined
                    // in the form's class
     }
     /* END OVERRIDES */
 
     * {
         box-sizing: border-box;
     }
     .filediff-anchor {
         visibility: hidden;
     }
     &:hover {
         .filediff-anchor {
             visibility: visible;
         }
     }
 
     .filediff-collapse-indicator {
         border-style: solid;
         float: left;
         margin: 4px 0px 0 0;
         cursor: pointer;
     }
 
     .filediff-heading {
         background: @grey7;
         cursor: pointer;
         display: block;
         padding: 5px 10px;
     }
     .filediff-heading:after {
         content: "";
         display: table;
         clear: both;
     }
     .filediff-heading:hover {
         background: #e1e9f4 !important;
     }
 
     .filediff-menu {
         float: right;
         text-align: right;
         padding: 5px 5px 5px 0px;
 
         &> a,
         &> span {
             padding: 1px;
         }
     }
 
     .pill {
         &[op="name"] {
             background: none;
             color: @grey2;
             opacity: 1;
             color: white;
         }
         &[op="limited"] {
             background: @grey2;
             color: white;
         }
         &[op="binary"] {
             background: @color7;
             color: white;
         }
         &[op="modified"] {
             background: @alert1;
             color: white;
         }
         &[op="renamed"] {
             background: @color4;
             color: white;
         }
         &[op="mode"] {
             background: @grey3;
             color: white;
         }
         &[op="symlink"] {
             background: @color8;
             color: white;
         }
 
         &[op="added"] { /* added lines */
             background: @alert1;
             color: white;
         }
         &[op="deleted"] { /* deleted lines */
             background: @alert2;
             color: white;
         }
 
         &[op="created"] { /* created file */
             background: @alert1;
             color: white;
         }
         &[op="removed"] { /* deleted file */
             background: @color5;
             color: white;
         }
     }
 
     .filediff-collapse-button, .filediff-expand-button {
         cursor: pointer;
     }
     .filediff-collapse-button {
         display: inline;
     }
     .filediff-expand-button {
         display: none;
     }
     .filediff-collapsed .filediff-collapse-button {
         display: none;
     }
     .filediff-collapsed .filediff-expand-button {
         display: inline;
     }
 
     /**** COMMENTS ****/
 
     .filediff-menu {
         .show-comment-button {
             display: none;
         }
     }
     &.hide-comments {
         .inline-comments {
             display: none;
         }
         .filediff-menu {
             .show-comment-button {
                 display: inline;
             }
             .hide-comment-button {
                 display: none;
             }
         }
     }
 
     .hide-line-comments {
         .inline-comments {
             display: none;
         }
     }
 
     /**** END COMMENTS ****/
 
 }
 
 .filediff-outdated {
     padding: 8px 0;
 
     .filediff-heading {
         opacity: .5;
     }
 }
 
 table.cb {
     width: 100%;
     border-collapse: collapse;
 
     .cb-text {
         padding: @cb-text-padding;
     }
     .cb-hunk {
         padding: @cb-text-padding;
     }
     .cb-expand {
         display: none;
     }
     .cb-collapse {
         display: inline;
     }
     &.cb-collapsed {
         .cb-line {
             display: none;
         }
         .cb-expand {
             display: inline;
         }
         .cb-collapse {
             display: none;
         }
     }
 
     /* intentionally general selector since .cb-line-selected must override it
        and they both use !important since the td itself may have a random color
        generated by annotation blocks. TLDR: if you change it, make sure
        annotated block selection and line selection in file view still work */
     .cb-line-fresh .cb-content {
         background: white !important;
     }
     .cb-warning {
         background: #fff4dd;
     }
 
     &.cb-diff-sideside {
         td {
             &.cb-content {
                 width: 50%;
             }
         }
     }
 
     tr {
         &.cb-annotate {
             border-top: 1px solid #eee;
-
-            &+ .cb-line {
-                border-top: 1px solid #eee;
-            }
-
-            &:first-child {
-                border-top: none;
-                &+ .cb-line {
-                    border-top: none;
-                }
-            }
         }
 
         &.cb-hunk {
             font-family: @font-family-monospace;
             color: rgba(0, 0, 0, 0.3);
 
             td {
                 &:first-child {
                     background: #edf2f9;
                 }
                 &:last-child {
                     background: #f4f7fb;
                 }
             }
         }
     }
 
 
     td {
         vertical-align: top;
         padding: 0;
 
         &.cb-content {
             font-size: 12.35px;
 
             &.cb-line-selected .cb-code {
                 background: @comment-highlight-color !important;
             }
 
             span.cb-code {
                 line-height: @cb-line-height;
                 padding-left: @cb-line-code-padding;
                 padding-right: @cb-line-code-padding;
                 display: block;
                 white-space: pre-wrap;
                 font-family: @font-family-monospace;
                 word-break: break-word;
                 .nonl {
                     color: @color5;
                 }
             }
 
             &> button.cb-comment-box-opener {
 
                 padding: 2px 2px 1px 3px;
                 margin-left: -6px;
                 margin-top: -1px;
 
                 border-radius: @border-radius;
                 position: absolute;
                 display: none;
             }
             .cb-comment {
                 margin-top: 10px;
                 white-space: normal;
             }
         }
         &:hover {
             button.cb-comment-box-opener {
                 display: block;
             }
             &+ td button.cb-comment-box-opener {
                 display: block
             }
         }
 
         &.cb-data {
             text-align: right;
             width: 30px;
             font-family: @font-family-monospace;
 
             .icon-comment {
                 cursor: pointer;
             }
             &.cb-line-selected > div {
                 display: block;
                 background: @comment-highlight-color !important;
                 line-height: @cb-line-height;
                 color: rgba(0, 0, 0, 0.3);
             }
         }
 
         &.cb-lineno {
             padding: 0;
             width: 50px;
             color: rgba(0, 0, 0, 0.3);
             text-align: right;
             border-right: 1px solid #eee;
             font-family: @font-family-monospace;
 
             a::before {
                 content: attr(data-line-no);
             }
             &.cb-line-selected a {
                 background: @comment-highlight-color !important;
             }
 
             a {
                 display: block;
                 padding-right: @cb-line-code-padding;
                 padding-left: @cb-line-code-padding;
                 line-height: @cb-line-height;
                 color: rgba(0, 0, 0, 0.3);
             }
         }
 
         &.cb-empty {
             background: @grey7;
         }
 
         ins {
             color: black;
             background: #a6f3a6;
             text-decoration: none;
         }
         del {
             color: black;
             background: #f8cbcb;
             text-decoration: none;
         }
         &.cb-addition {
             background: #ecffec;
 
             &.blob-lineno {
                 background: #ddffdd;
             }
         }
         &.cb-deletion {
             background: #ffecec;
 
             &.blob-lineno {
                 background: #ffdddd;
             }
         }
-
+        &.cb-annotate-message-spacer {
+             width:8px;
+        }
         &.cb-annotate-info {
             width: 320px;
             min-width: 320px;
             max-width: 320px;
             padding: 5px 2px;
             font-size: 13px;
 
-            strong.cb-annotate-message {
-                padding: 5px 0;
+            .cb-annotate-message {
+                padding: 2px 0px 0px 0px;
                 white-space: pre-line;
-                display: inline-block;
+                overflow: hidden;
             }
             .rc-user {
                 float: none;
                 padding: 0 6px 0 17px;
-                min-width: auto;
-                min-height: auto;
+                min-width: unset;
+                min-height: unset;
             }
         }
 
         &.cb-annotate-revision {
             cursor: pointer;
             text-align: right;
+            padding: 1px 3px 0px 3px;
         }
     }
 }

rhodecode/templates/codeblocks/source.mako

@@ -1,66 +1,71 b''
 <%def name="render_line(line_num, tokens,
                         annotation=None,
-                        bgcolor=None)">
+                        bgcolor=None, show_annotation=None)">
     <%
     from rhodecode.lib.codeblocks import render_tokenstream
     # avoid module lookup for performance
     html_escape = h.html_escape
     %>
-    <tr class="cb-line cb-line-fresh"
+    <tr class="cb-line cb-line-fresh ${'cb-annotate' if show_annotation else ''}"
     %if annotation:
     data-revision="${annotation.revision}"
     %endif
     >
+
+    % if annotation:
+        % if show_annotation:
+            <td class="cb-annotate-info tooltip"
+                title="Author: ${annotation.author | entity}<br>Date: ${annotation.date}<br>Message: ${annotation.message | entity}"
+            >
+              ${h.gravatar_with_user(annotation.author, 16) | n}
+              <div class="cb-annotate-message truncate-wrap">${h.chop_at_smart(annotation.message, '\n', suffix_if_chopped='...')}</div>
+            </td>
+            <td class="cb-annotate-message-spacer"></td>
+            <td
+              class="cb-annotate-revision"
+              data-revision="${annotation.revision}"
+              onclick="$('[data-revision=${annotation.revision}]').toggleClass('cb-line-fresh')"
+              style="background: ${bgcolor}">
+            <a class="cb-annotate" href="${h.url('changeset_home',repo_name=c.repo_name,revision=annotation.raw_id)}">
+              r${annotation.revision}
+            </a>
+            </td>
+        % else:
+            <td></td>
+            <td class="cb-annotate-message-spacer"></td>
+            <td
+              class="cb-annotate-revision"
+              data-revision="${annotation.revision}"
+              onclick="$('[data-revision=${annotation.revision}]').toggleClass('cb-line-fresh')"
+              style="background: ${bgcolor}">
+            </td>
+        % endif
+    % else:
+        <td colspan="3"></td>
+    % endif
+
+
     <td class="cb-lineno" id="L${line_num}">
       <a data-line-no="${line_num}" href="#L${line_num}"></a>
     </td>
     <td class="cb-content cb-content-fresh"
     %if bgcolor:
     style="background: ${bgcolor}"
     %endif
     >
     ## newline at end is necessary for highlight to work when line is empty
     ## and for copy pasting code to work as expected
       <span class="cb-code">${render_tokenstream(tokens)|n}${'\n'}</span>
     </td>
   </tr>
 </%def>
 
 <%def name="render_annotation_lines(annotation, lines, color_hasher)">
-  <%
-  rowspan = len(lines) + 1 # span the line's <tr> and annotation <tr>
-  %>
-  %if not annotation:
-  <tr class="cb-annotate">
-    <td class="cb-annotate-message" rowspan="${rowspan}"></td>
-    <td class="cb-annotate-revision" rowspan="${rowspan}"></td>
-  </tr>
-  %else:
-  <tr class="cb-annotate">
-    <td class="cb-annotate-info tooltip"
-        rowspan="${rowspan}"
-        title="Author: ${annotation.author | entity}<br>Date: ${annotation.date}<br>Message: ${annotation.message | entity}"
-    >
-      ${h.gravatar_with_user(annotation.author, 16) | n}
-      <strong class="cb-annotate-message">${h.truncate(annotation.message, len(lines) * 30)}</strong>
-    </td>
-    <td
-      class="cb-annotate-revision"
-      rowspan="${rowspan}"
-      data-revision="${annotation.revision}"
-      onclick="$('[data-revision=${annotation.revision}]').toggleClass('cb-line-fresh')"
-      style="background: ${color_hasher(annotation.raw_id)}">
-    <a href="${h.url('changeset_home',repo_name=c.repo_name,revision=annotation.raw_id)}">
-      r${annotation.revision}
-    </a>
-    </td>
-  </tr>
-  %endif
-
-  %for line_num, tokens in lines:
+  % for line_num, tokens in lines:
     ${render_line(line_num, tokens,
       bgcolor=color_hasher(annotation and annotation.raw_id or ''),
-      annotation=annotation,
+      annotation=annotation, show_annotation=loop.first
       )}
-  %endfor
+  % endfor
+
 </%def>