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Cache statusline contents in Python

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Each window is now tagged with an UUID and this UUID is used to cache
the window's statusline contents in the Python VimRenderer in order to
avoid translating the statusline contents to and from a vimdict
unnecessarily.

Refs #11.
This commit is contained in:
Kim Silkebækken 2012-12-15 18:48:12 +01:00
parent da6367a897
commit 0bf23adbcc
2 changed files with 14 additions and 11 deletions
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17
plugin/vim/powerline.vim
View File

@ -7,6 +7,7 @@
python import sys, vim, os python import sys, vim, os
python sys.path.append(vim.eval('expand("<sfile>:h:h:h")')) python sys.path.append(vim.eval('expand("<sfile>:h:h:h")'))
python import uuid
python from powerline.core import Powerline python from powerline.core import Powerline
python pl = Powerline('vim') python pl = Powerline('vim')
@ -24,16 +25,16 @@ function! Powerline(winnr)
endfunction endfunction
function! s:UpdateAllWindows() function! s:UpdateAllWindows()
for w in range(1, winnr('$')) for winnr in range(1, winnr('$'))
" getwinvar() returns empty string for undefined variables. " getwinvar() returns empty string for undefined variables. Use
" Use has_key(getwinvar(w, ''), 'powerline') if you care about variable " has_key(getwinvar(winnr, ''), 'window_id') if you care about
" being really defined (currently with w:powerline=='' it will throw " variable being really defined (currently with w:window_id=='' it
" E706: variable type mismatch). " will throw E706: variable type mismatch).
if getwinvar(w, 'powerline') is# '' if getwinvar(winnr, 'window_id') is# ''
call setwinvar(w, 'powerline', {}) call setwinvar(winnr, 'window_id', s:pyeval('str(uuid.uuid4())'))
endif endif
call setwinvar(w, '&statusline', '%!Powerline('. w .')') call setwinvar(winnr, '&statusline', '%!Powerline('. winnr .')')
endfor endfor
endfunction endfunction

8
powerline/ext/vim/renderer.py
View File

@ -19,6 +19,7 @@ class VimRenderer(Renderer):
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
super(VimRenderer, self).__init__(*args, **kwargs) super(VimRenderer, self).__init__(*args, **kwargs)
self.hl_groups = {} self.hl_groups = {}
self.window_cache = {}
def render(self, winnr): def render(self, winnr):
'''Render all segments. '''Render all segments.
@ -28,17 +29,18 @@ class VimRenderer(Renderer):
used in non-current windows. used in non-current windows.
''' '''
current = vim_getwinvar(winnr, 'current') current = vim_getwinvar(winnr, 'current')
window_id = vim_getwinvar(winnr, 'window_id')
winwidth = vim_winwidth(winnr) winwidth = vim_winwidth(winnr)
if current: if current:
mode = vim_mode() mode = vim_mode()
contents_override = None contents_override = None
contents_cached = {segment['key']: segment['contents'] for segment in self.segments if segment['type'] == 'function'} contents_cached = {segment['key']: segment['contents'] for segment in self.segments if segment['type'] == 'function'}
vim_setwinvar(winnr, 'powerline', contents_cached) self.window_cache[window_id] = contents_cached
else: else:
mode = 'nc' mode = 'nc'
contents_cached = vim_getwinvar(winnr, 'powerline') contents_override = self.window_cache.get(window_id)
contents_override = {k: contents_cached[k].decode('utf-8') for k in contents_cached.keys()}
statusline = super(VimRenderer, self).render(mode, width=winwidth, contents_override=contents_override) statusline = super(VimRenderer, self).render(mode, width=winwidth, contents_override=contents_override)
statusline = statusline.replace(self.PERCENT_PLACEHOLDER, '%%') statusline = statusline.replace(self.PERCENT_PLACEHOLDER, '%%')