Add tabpage and tabnr arguments to segment_info

powerline/bindings/vim/__init__.py

@@ -84,10 +84,10 @@ else:
 
 	def bufvar_exists(buffer, varname):  # NOQA
 		if not buffer or buffer.number == vim.current.buffer.number:
-			return vim.eval('exists("b:{0}")'.format(varname))
+			return int(vim.eval('exists("b:{0}")'.format(varname)))
 		else:
-			return vim.eval('has_key(getbufvar({0}, ""), {1})'
-							.format(buffer.number, varname))
+			return int(vim.eval('has_key(getbufvar({0}, ""), {1})'
+							.format(buffer.number, varname)))
 
 	def vim_getwinvar(segment_info, varname):  # NOQA
 		result = vim.eval('getwinvar({0}, "{1}")'.format(segment_info['winnr'], varname))
@@ -104,6 +104,79 @@ else:
 		return getbufvar(info['bufnr'], '&' + option)
 
 
+if hasattr(vim, 'tabpages'):
+	current_tabpage = lambda: vim.current.tabpage
+	list_tabpages = lambda: vim.tabpages
+else:
+	class FalseObject(object):
+		@staticmethod
+		def __nonzero__():
+			return False
+
+		__bool__ = __nonzero__
+
+	def get_buffer(number):
+		for buffer in vim.buffers:
+			if buffer.number == number:
+				return buffer
+		raise KeyError(number)
+
+	class WindowVars(object):
+		__slots__ = ('tabnr', 'winnr')
+
+		def __init__(self, window):
+			self.tabnr = window.tabnr
+			self.winnr = window.number
+
+		def __getitem__(self, key):
+			has_key = vim.eval('has_key(gettabwinvar({0}, {1}, ""), "{2}")'.format(self.tabnr, self.winnr, key))
+			if has_key == '0':
+				raise KeyError
+			return vim.eval('gettabwinvar({0}, {1}, "{2}")'.format(self.tabnr, self.winnr, key))
+
+		def get(self, key, default=None):
+			try:
+				return self[key]
+			except KeyError:
+				return default
+
+	class Window(FalseObject):
+		__slots__ = ('tabnr', 'number', '_vars')
+
+		def __init__(self, tabnr, number):
+			self.tabnr = tabnr
+			self.number = number
+			self.vars = WindowVars(self)
+
+		@property
+		def buffer(self):
+			return get_buffer(int(vim.eval('tabpagebuflist({0})[{1}]'.format(self.tabnr, self.number - 1))))
+
+	class Tabpage(FalseObject):
+		__slots__ = ('number',)
+
+		def __init__(self, number):
+			self.number = number
+
+		def __eq__(self, tabpage):
+			if not isinstance(tabpage, Tabpage):
+				raise NotImplementedError
+			return self.number == tabpage.number
+
+		@property
+		def window(self):
+			return Window(self.number, int(vim.eval('tabpagewinnr({0})'.format(self.number))))
+
+	def _last_tab_nr():
+		return int(vim.eval('tabpagenr("$")'))
+
+	def current_tabpage():  # NOQA
+		return Tabpage(int(vim.eval('tabpagenr()')))
+
+	def list_tabpages():  # NOQA
+		return [Tabpage(nr) for nr in range(1, _last_tab_nr() + 1)]
+
+
 if sys.version_info < (3,) or not hasattr(vim, 'bindeval'):
 	getbufvar = vim_get_func('getbufvar')
 else:

powerline/renderers/vim.py

@@ -2,7 +2,7 @@
 
 from __future__ import absolute_import, unicode_literals
 
-from powerline.bindings.vim import vim_get_func, environ
+from powerline.bindings.vim import vim_get_func, environ, current_tabpage
 from powerline.renderer import Renderer
 from powerline.colorscheme import ATTR_BOLD, ATTR_ITALIC, ATTR_UNDERLINE
 from powerline.theme import Theme
@@ -99,7 +99,9 @@ class VimRenderer(Renderer):
 				window_id=window_id,
 				winnr=winnr,
 				buffer=window.buffer,
+				tabpage=current_tabpage(),
 			)
+			segment_info['tabnr'] = segment_info['tabpage'].number
 			segment_info['bufnr'] = segment_info['buffer'].number
 			winwidth = segment_info['window'].width
 			matcher_info = segment_info

powerline/segment.py

@@ -180,6 +180,7 @@ def gen_segment_getter(pl, ext, common_config, theme_configs, default_module=Non
 				'priority': None,
 				'draw_soft_divider': None,
 				'draw_hard_divider': None,
+				'draw_inner_divider': None,
 				'side': side,
 				'exclude_modes': segment.get('exclude_modes', []),
 				'include_modes': segment.get('include_modes', []),
@@ -190,7 +191,8 @@ def gen_segment_getter(pl, ext, common_config, theme_configs, default_module=Non
 				'mode': None,
 				'_rendered_raw': '',
 				'_rendered_hl': '',
-				'_len': 0,
+				'_len': None,
+				'_contents_len': None,
 				'_space_left': 0,
 				'_space_right': 0,
 			}
@@ -235,7 +237,8 @@ def gen_segment_getter(pl, ext, common_config, theme_configs, default_module=Non
 			'mode': None,
 			'_rendered_raw': '',
 			'_rendered_hl': '',
-			'_len': 0,
+			'_len': None,
+			'_contents_len': None,
 			'_space_left': 0,
 			'_space_right': 0,
 		}

powerline/segments/vim.py

@@ -15,7 +15,8 @@ except ImportError:
 
 from powerline.bindings.vim import (vim_get_func, getbufvar, vim_getbufoption,
 									buffer_name, vim_getwinvar,
-									register_buffer_cache)
+									register_buffer_cache, current_tabpage,
+									list_tabpages)
 from powerline.theme import requires_segment_info, requires_filesystem_watcher
 from powerline.lib import add_divider_highlight_group
 from powerline.lib.vcs import guess, tree_status
@@ -487,50 +488,20 @@ def trailing_whitespace(pl, segment_info):
 		return ret
 
 
-if hasattr(vim, 'vvars') and vim.vvars['version'] >= 704:
-	def 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=window.vars.get('powerline_window_id'),
-			buffer=buffer,
-			bufnr=buffer.number,
-		)
-		return segment_info
-
-	list_tabpages = lambda: vim.tabpages
-	current_tabpage = lambda: vim.current.tabpage
-	tabpage_nr = lambda tabpage: tabpage.number
-else:
-	def updated_segment_info(segment_info, tabnr):  # NOQA
-		segment_info = segment_info.copy()
-		winnr = int(vim.eval('tabpagewinnr({0})'.format(tabnr)))
-		bufnr = int(vim.eval('tabpagebuflist({0})[{1}]'.format(tabnr, winnr - 1)))
-		buffer = None
-		for buffer in vim.buffers:
-			if buffer.number == bufnr:
-				break
-		window_id = vim.eval('gettabwinvar({0}, {1}, "powerline_window_id")'.format(tabnr, winnr))
-		window_id = int(window_id) if window_id else None
-		segment_info.update(
-			tabpage=None,
-			tabnr=tabnr,
-			window=None,
-			winnr=winnr,
-			window_id=window_id,
-			buffer=buffer,
-			bufnr=bufnr,
-		)
-		return segment_info
-
-	list_tabpages = lambda: range(1, int(vim.eval('tabpagenr("$")')) + 1)  # NOQA
-	current_tabpage = lambda: int(vim.eval('tabpagenr()'))  # NOQA
-	tabpage_nr = lambda tabnr: tabnr  # NOQA
+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
 
 
 @requires_segment_info
@@ -548,15 +519,15 @@ def tablister(pl, segment_info):
 	thus window objects are not available as well.
 	'''
 	cur_tabpage = current_tabpage()
-	cur_tabnr = tabpage_nr(cur_tabpage)
+	cur_tabnr = cur_tabpage.number
 
 	def add_multiplier(tabpage, dct):
-		dct['priority_multiplier'] = 1 + (0.001 * abs(tabpage_nr(tabpage) - cur_tabnr))
+		dct['priority_multiplier'] = 1 + (0.001 * abs(tabpage.number - cur_tabnr))
 		return dct
 
 	return [
 		(
-			updated_segment_info(segment_info, tabpage),
+			tabpage_updated_segment_info(segment_info, tabpage),
 			add_multiplier(tabpage, {'mode': ('tab' if tabpage == cur_tabpage else 'nc')})
 		)
 		for tabpage in list_tabpages()