155 lines
4.4 KiB
Python
155 lines
4.4 KiB
Python
# vim:fileencoding=utf-8:noet
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from __future__ import absolute_import
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from powerline.bindings.vim import vim_get_func
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from powerline.renderer import Renderer
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from powerline.colorscheme import ATTR_BOLD, ATTR_ITALIC, ATTR_UNDERLINE
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from powerline.theme import Theme
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import vim
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import sys
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vim_mode = vim_get_func('mode', rettype=str)
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mode_translations = {
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chr(ord('V') - 0x40): '^V',
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chr(ord('S') - 0x40): '^S',
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}
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class VimRenderer(Renderer):
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'''Powerline vim segment renderer.'''
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def __init__(self, *args, **kwargs):
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if not hasattr(vim, 'strwidth'):
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# Hope nobody want to change this at runtime
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if vim.eval('&ambiwidth') == 'double':
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kwargs = dict(**kwargs)
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kwargs['ambigious'] = 2
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super(VimRenderer, self).__init__(*args, **kwargs)
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self.hl_groups = {}
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def shutdown(self):
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self.theme.shutdown()
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for match in self.local_themes.values():
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if 'theme' in match:
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match['theme'].shutdown()
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def add_local_theme(self, matcher, theme):
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if matcher in self.local_themes:
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raise KeyError('There is already a local theme with given matcher')
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self.local_themes[matcher] = theme
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def get_theme(self, matcher_info):
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for matcher in self.local_themes.keys():
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if matcher(matcher_info):
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match = self.local_themes[matcher]
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try:
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return match['theme']
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except KeyError:
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match['theme'] = Theme(theme_config=match['config'], top_theme_config=self.theme_config, **self.theme_kwargs)
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return match['theme']
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else:
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return self.theme
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if hasattr(vim, 'strwidth'):
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if sys.version_info < (3,):
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@staticmethod
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def strwidth(string):
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# Does not work with tabs, but neither is strwidth from default
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# renderer
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return vim.strwidth(string.encode('utf-8'))
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else:
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@staticmethod # NOQA
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def strwidth(string):
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return vim.strwidth(string)
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def get_segment_info(self, segment_info):
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return segment_info or self.segment_info
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def render(self, window_id, winidx, current):
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'''Render all segments.'''
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if current:
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mode = vim_mode(1)
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mode = mode_translations.get(mode, mode)
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else:
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mode = 'nc'
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segment_info = {
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'window': vim.windows[winidx],
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'mode': mode,
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'window_id': window_id,
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}
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segment_info['buffer'] = segment_info['window'].buffer
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segment_info['bufnr'] = segment_info['buffer'].number
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segment_info.update(self.segment_info)
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winwidth = segment_info['window'].width
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statusline = super(VimRenderer, self).render(
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mode=mode,
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width=winwidth,
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segment_info=segment_info,
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matcher_info=segment_info,
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)
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return statusline
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def reset_highlight(self):
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self.hl_groups.clear()
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@staticmethod
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def escape(string):
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return string.replace('%', '%%')
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def hlstyle(self, fg=None, bg=None, attr=None):
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'''Highlight a segment.
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If an argument is None, the argument is ignored. If an argument is
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False, the argument is reset to the terminal defaults. If an argument
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is a valid color or attribute, it's added to the vim highlight group.
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'''
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# We don't need to explicitly reset attributes in vim, so skip those calls
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if not attr and not bg and not fg:
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return ''
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if not (fg, bg, attr) in self.hl_groups:
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hl_group = {
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'ctermfg': 'NONE',
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'guifg': None,
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'ctermbg': 'NONE',
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'guibg': None,
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'attr': ['NONE'],
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'name': '',
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}
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if fg is not None and fg is not False:
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hl_group['ctermfg'] = fg[0]
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hl_group['guifg'] = fg[1]
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if bg is not None and bg is not False:
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hl_group['ctermbg'] = bg[0]
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hl_group['guibg'] = bg[1]
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if attr:
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hl_group['attr'] = []
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if attr & ATTR_BOLD:
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hl_group['attr'].append('bold')
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if attr & ATTR_ITALIC:
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hl_group['attr'].append('italic')
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if attr & ATTR_UNDERLINE:
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hl_group['attr'].append('underline')
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hl_group['name'] = 'Pl_' + \
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str(hl_group['ctermfg']) + '_' + \
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str(hl_group['guifg']) + '_' + \
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str(hl_group['ctermbg']) + '_' + \
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str(hl_group['guibg']) + '_' + \
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''.join(hl_group['attr'])
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self.hl_groups[(fg, bg, attr)] = hl_group
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vim.command('hi {group} ctermfg={ctermfg} guifg={guifg} guibg={guibg} ctermbg={ctermbg} cterm={attr} gui={attr}'.format(
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group=hl_group['name'],
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ctermfg=hl_group['ctermfg'],
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guifg='#{0:06x}'.format(hl_group['guifg']) if hl_group['guifg'] is not None else 'NONE',
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ctermbg=hl_group['ctermbg'],
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guibg='#{0:06x}'.format(hl_group['guibg']) if hl_group['guibg'] is not None else 'NONE',
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attr=','.join(hl_group['attr']),
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))
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return '%#' + self.hl_groups[(fg, bg, attr)]['name'] + '#'
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renderer = VimRenderer
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