Source code for powerline.listers.vim

# vim:fileencoding=utf-8:noet
from __future__ import (unicode_literals, division, absolute_import, print_function)

from powerline.theme import requires_segment_info
from powerline.bindings.vim import (current_tabpage, list_tabpages)

try:
	import vim
except ImportError:
	vim = object()


def tabpage_updated_segment_info(segment_info, tabpage):
	segment_info = segment_info.copy()
	window = tabpage.window
	buffer = window.buffer
	segment_info.update(
		tabpage=tabpage,
		tabnr=tabpage.number,
		window=window,
		winnr=window.number,
		window_id=int(window.vars.get('powerline_window_id', -1)),
		buffer=buffer,
		bufnr=buffer.number,
	)
	return segment_info


[docs]@requires_segment_info def tablister(pl, segment_info, **kwargs): '''List all tab pages in segment_info format Specifically generates a list of segment info dictionaries with ``window``, ``winnr``, ``window_id``, ``buffer`` and ``bufnr`` keys set to tab-local ones and additional ``tabpage`` and ``tabnr`` keys. Adds either ``tab:`` or ``tab_nc:`` prefix to all segment highlight groups. Works best with vim-7.4 or later: earlier versions miss tabpage object and thus window objects are not available as well. ''' cur_tabpage = current_tabpage() cur_tabnr = cur_tabpage.number def add_multiplier(tabpage, dct): dct['priority_multiplier'] = 1 + (0.001 * abs(tabpage.number - cur_tabnr)) return dct return ( (lambda tabpage, prefix: ( tabpage_updated_segment_info(segment_info, tabpage), add_multiplier(tabpage, { 'highlight_group_prefix': prefix, 'divider_highlight_group': 'tab:divider' }) ))(tabpage, 'tab' if tabpage == cur_tabpage else 'tab_nc') for tabpage in list_tabpages() )
def buffer_updated_segment_info(segment_info, buffer): segment_info = segment_info.copy() segment_info.update( window=None, winnr=None, window_id=None, buffer=buffer, bufnr=buffer.number, ) return segment_info
[docs]@requires_segment_info def bufferlister(pl, segment_info, show_unlisted=False, **kwargs): '''List all buffers in segment_info format Specifically generates a list of segment info dictionaries with ``buffer`` and ``bufnr`` keys set to buffer-specific ones, ``window``, ``winnr`` and ``window_id`` keys set to None. Adds one of ``buf:``, ``buf_nc:``, ``buf_mod:``, or ``buf_nc_mod`` prefix to all segment highlight groups. :param bool show_unlisted: True if unlisted buffers should be shown as well. Current buffer is always shown. ''' cur_buffer = vim.current.buffer cur_bufnr = cur_buffer.number def add_multiplier(buffer, dct): dct['priority_multiplier'] = 1 + (0.001 * abs(buffer.number - cur_bufnr)) return dct return ( (lambda buffer, current, modified: ( buffer_updated_segment_info(segment_info, buffer), add_multiplier(buffer, { 'highlight_group_prefix': '{0}{1}'.format(current, modified), 'divider_highlight_group': 'tab:divider' }) ))( buffer, 'buf' if buffer is cur_buffer else 'buf_nc', '_mod' if int(vim.eval('getbufvar({0}, \'&modified\')'.format(buffer.number))) > 0 else '' ) for buffer in vim.buffers if ( buffer is cur_buffer or show_unlisted # We can't use vim_getbufoption(segment_info, 'buflisted') # here for performance reasons. Querying the buffer options # through the vim python module's option attribute caused # vim to think it needed to update the tabline for every # keystroke after any event that changed the buffer's # options. # # Using the vim module's eval method to directly use the # buflisted(nr) vim method instead does not cause vim to # update the tabline after every keystroke, but rather after # events that would change that status. Fixes #1281 or int(vim.eval('buflisted(%s)' % buffer.number)) > 0 ) )