commit e671e403dd1ec1da59f70605c73aaedb6cb0e637
parent 281701021c5001332a862da80175bf585d24e2e8
Author: Martin Grenfell <martin.grenfell@gmail.com>
Date: Sat, 25 Feb 2017 15:20:25 +0000
don't touch @o and @h registers when rendering
This just isn't needed, and leaves traces as it turns out:
http://stackoverflow.com/questions/42455953/ho-automatically-writes-vim-registers
Thanks @romainl
Diffstat:
| M | lib/nerdtree/ui.vim | | | 176 | ++++++++++++++++++++++++++++++++++++++----------------------------------------- |
1 file changed, 85 insertions(+), 91 deletions(-)
diff --git a/lib/nerdtree/ui.vim b/lib/nerdtree/ui.vim
@@ -20,108 +20,105 @@ endfunction
"FUNCTION: s:UI._dumpHelp {{{1
"prints out the quick help
function! s:UI._dumpHelp()
- let old_h = @h
if self.getShowHelp()
- let @h= "\" NERD tree (" . nerdtree#version() . ") quickhelp~\n"
- let @h=@h."\" ============================\n"
- let @h=@h."\" File node mappings~\n"
- let @h=@h."\" ". (g:NERDTreeMouseMode ==# 3 ? "single" : "double") ."-click,\n"
- let @h=@h."\" <CR>,\n"
+ let help = "\" NERD tree (" . nerdtree#version() . ") quickhelp~\n"
+ let help .= "\" ============================\n"
+ let help .= "\" File node mappings~\n"
+ let help .= "\" ". (g:NERDTreeMouseMode ==# 3 ? "single" : "double") ."-click,\n"
+ let help .= "\" <CR>,\n"
if self.nerdtree.isTabTree()
- let @h=@h."\" ". g:NERDTreeMapActivateNode .": open in prev window\n"
+ let help .= "\" ". g:NERDTreeMapActivateNode .": open in prev window\n"
else
- let @h=@h."\" ". g:NERDTreeMapActivateNode .": open in current window\n"
+ let help .= "\" ". g:NERDTreeMapActivateNode .": open in current window\n"
endif
if self.nerdtree.isTabTree()
- let @h=@h."\" ". g:NERDTreeMapPreview .": preview\n"
+ let help .= "\" ". g:NERDTreeMapPreview .": preview\n"
endif
- let @h=@h."\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
- let @h=@h."\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
- let @h=@h."\" middle-click,\n"
- let @h=@h."\" ". g:NERDTreeMapOpenSplit .": open split\n"
- let @h=@h."\" ". g:NERDTreeMapPreviewSplit .": preview split\n"
- let @h=@h."\" ". g:NERDTreeMapOpenVSplit .": open vsplit\n"
- let @h=@h."\" ". g:NERDTreeMapPreviewVSplit .": preview vsplit\n"
-
- let @h=@h."\"\n\" ----------------------------\n"
- let @h=@h."\" Directory node mappings~\n"
- let @h=@h."\" ". (g:NERDTreeMouseMode ==# 1 ? "double" : "single") ."-click,\n"
- let @h=@h."\" ". g:NERDTreeMapActivateNode .": open & close node\n"
- let @h=@h."\" ". g:NERDTreeMapOpenRecursively .": recursively open node\n"
- let @h=@h."\" ". g:NERDTreeMapCloseDir .": close parent of node\n"
- let @h=@h."\" ". g:NERDTreeMapCloseChildren .": close all child nodes of\n"
- let @h=@h."\" current node recursively\n"
- let @h=@h."\" middle-click,\n"
- let @h=@h."\" ". g:NERDTreeMapOpenExpl.": explore selected dir\n"
-
- let @h=@h."\"\n\" ----------------------------\n"
- let @h=@h."\" Bookmark table mappings~\n"
- let @h=@h."\" double-click,\n"
- let @h=@h."\" ". g:NERDTreeMapActivateNode .": open bookmark\n"
- let @h=@h."\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
- let @h=@h."\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
- let @h=@h."\" ". g:NERDTreeMapDeleteBookmark .": delete bookmark\n"
-
- let @h=@h."\"\n\" ----------------------------\n"
- let @h=@h."\" Tree navigation mappings~\n"
- let @h=@h."\" ". g:NERDTreeMapJumpRoot .": go to root\n"
- let @h=@h."\" ". g:NERDTreeMapJumpParent .": go to parent\n"
- let @h=@h."\" ". g:NERDTreeMapJumpFirstChild .": go to first child\n"
- let @h=@h."\" ". g:NERDTreeMapJumpLastChild .": go to last child\n"
- let @h=@h."\" ". g:NERDTreeMapJumpNextSibling .": go to next sibling\n"
- let @h=@h."\" ". g:NERDTreeMapJumpPrevSibling .": go to prev sibling\n"
-
- let @h=@h."\"\n\" ----------------------------\n"
- let @h=@h."\" Filesystem mappings~\n"
- let @h=@h."\" ". g:NERDTreeMapChangeRoot .": change tree root to the\n"
- let @h=@h."\" selected dir\n"
- let @h=@h."\" ". g:NERDTreeMapUpdir .": move tree root up a dir\n"
- let @h=@h."\" ". g:NERDTreeMapUpdirKeepOpen .": move tree root up a dir\n"
- let @h=@h."\" but leave old root open\n"
- let @h=@h."\" ". g:NERDTreeMapRefresh .": refresh cursor dir\n"
- let @h=@h."\" ". g:NERDTreeMapRefreshRoot .": refresh current root\n"
- let @h=@h."\" ". g:NERDTreeMapMenu .": Show menu\n"
- let @h=@h."\" ". g:NERDTreeMapChdir .":change the CWD to the\n"
- let @h=@h."\" selected dir\n"
- let @h=@h."\" ". g:NERDTreeMapCWD .":change tree root to CWD\n"
-
- let @h=@h."\"\n\" ----------------------------\n"
- let @h=@h."\" Tree filtering mappings~\n"
- let @h=@h."\" ". g:NERDTreeMapToggleHidden .": hidden files (" . (self.getShowHidden() ? "on" : "off") . ")\n"
- let @h=@h."\" ". g:NERDTreeMapToggleFilters .": file filters (" . (self.isIgnoreFilterEnabled() ? "on" : "off") . ")\n"
- let @h=@h."\" ". g:NERDTreeMapToggleFiles .": files (" . (self.getShowFiles() ? "on" : "off") . ")\n"
- let @h=@h."\" ". g:NERDTreeMapToggleBookmarks .": bookmarks (" . (self.getShowBookmarks() ? "on" : "off") . ")\n"
+ let help .= "\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
+ let help .= "\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
+ let help .= "\" middle-click,\n"
+ let help .= "\" ". g:NERDTreeMapOpenSplit .": open split\n"
+ let help .= "\" ". g:NERDTreeMapPreviewSplit .": preview split\n"
+ let help .= "\" ". g:NERDTreeMapOpenVSplit .": open vsplit\n"
+ let help .= "\" ". g:NERDTreeMapPreviewVSplit .": preview vsplit\n"
+
+ let help .= "\"\n\" ----------------------------\n"
+ let help .= "\" Directory node mappings~\n"
+ let help .= "\" ". (g:NERDTreeMouseMode ==# 1 ? "double" : "single") ."-click,\n"
+ let help .= "\" ". g:NERDTreeMapActivateNode .": open & close node\n"
+ let help .= "\" ". g:NERDTreeMapOpenRecursively .": recursively open node\n"
+ let help .= "\" ". g:NERDTreeMapCloseDir .": close parent of node\n"
+ let help .= "\" ". g:NERDTreeMapCloseChildren .": close all child nodes of\n"
+ let help .= "\" current node recursively\n"
+ let help .= "\" middle-click,\n"
+ let help .= "\" ". g:NERDTreeMapOpenExpl.": explore selected dir\n"
+
+ let help .= "\"\n\" ----------------------------\n"
+ let help .= "\" Bookmark table mappings~\n"
+ let help .= "\" double-click,\n"
+ let help .= "\" ". g:NERDTreeMapActivateNode .": open bookmark\n"
+ let help .= "\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
+ let help .= "\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
+ let help .= "\" ". g:NERDTreeMapDeleteBookmark .": delete bookmark\n"
+
+ let help .= "\"\n\" ----------------------------\n"
+ let help .= "\" Tree navigation mappings~\n"
+ let help .= "\" ". g:NERDTreeMapJumpRoot .": go to root\n"
+ let help .= "\" ". g:NERDTreeMapJumpParent .": go to parent\n"
+ let help .= "\" ". g:NERDTreeMapJumpFirstChild .": go to first child\n"
+ let help .= "\" ". g:NERDTreeMapJumpLastChild .": go to last child\n"
+ let help .= "\" ". g:NERDTreeMapJumpNextSibling .": go to next sibling\n"
+ let help .= "\" ". g:NERDTreeMapJumpPrevSibling .": go to prev sibling\n"
+
+ let help .= "\"\n\" ----------------------------\n"
+ let help .= "\" Filesystem mappings~\n"
+ let help .= "\" ". g:NERDTreeMapChangeRoot .": change tree root to the\n"
+ let help .= "\" selected dir\n"
+ let help .= "\" ". g:NERDTreeMapUpdir .": move tree root up a dir\n"
+ let help .= "\" ". g:NERDTreeMapUpdirKeepOpen .": move tree root up a dir\n"
+ let help .= "\" but leave old root open\n"
+ let help .= "\" ". g:NERDTreeMapRefresh .": refresh cursor dir\n"
+ let help .= "\" ". g:NERDTreeMapRefreshRoot .": refresh current root\n"
+ let help .= "\" ". g:NERDTreeMapMenu .": Show menu\n"
+ let help .= "\" ". g:NERDTreeMapChdir .":change the CWD to the\n"
+ let help .= "\" selected dir\n"
+ let help .= "\" ". g:NERDTreeMapCWD .":change tree root to CWD\n"
+
+ let help .= "\"\n\" ----------------------------\n"
+ let help .= "\" Tree filtering mappings~\n"
+ let help .= "\" ". g:NERDTreeMapToggleHidden .": hidden files (" . (self.getShowHidden() ? "on" : "off") . ")\n"
+ let help .= "\" ". g:NERDTreeMapToggleFilters .": file filters (" . (self.isIgnoreFilterEnabled() ? "on" : "off") . ")\n"
+ let help .= "\" ". g:NERDTreeMapToggleFiles .": files (" . (self.getShowFiles() ? "on" : "off") . ")\n"
+ let help .= "\" ". g:NERDTreeMapToggleBookmarks .": bookmarks (" . (self.getShowBookmarks() ? "on" : "off") . ")\n"
"add quickhelp entries for each custom key map
- let @h=@h."\"\n\" ----------------------------\n"
- let @h=@h."\" Custom mappings~\n"
+ let help .= "\"\n\" ----------------------------\n"
+ let help .= "\" Custom mappings~\n"
for i in g:NERDTreeKeyMap.All()
if !empty(i.quickhelpText)
- let @h=@h."\" ". i.key .": ". i.quickhelpText ."\n"
+ let help .= "\" ". i.key .": ". i.quickhelpText ."\n"
endif
endfor
- let @h=@h."\"\n\" ----------------------------\n"
- let @h=@h."\" Other mappings~\n"
- let @h=@h."\" ". g:NERDTreeMapQuit .": Close the NERDTree window\n"
- let @h=@h."\" ". g:NERDTreeMapToggleZoom .": Zoom (maximize-minimize)\n"
- let @h=@h."\" the NERDTree window\n"
- let @h=@h."\" ". g:NERDTreeMapHelp .": toggle help\n"
- let @h=@h."\"\n\" ----------------------------\n"
- let @h=@h."\" Bookmark commands~\n"
- let @h=@h."\" :Bookmark [<name>]\n"
- let @h=@h."\" :BookmarkToRoot <name>\n"
- let @h=@h."\" :RevealBookmark <name>\n"
- let @h=@h."\" :OpenBookmark <name>\n"
- let @h=@h."\" :ClearBookmarks [<names>]\n"
- let @h=@h."\" :ClearAllBookmarks\n"
- silent! put h
+ let help .= "\"\n\" ----------------------------\n"
+ let help .= "\" Other mappings~\n"
+ let help .= "\" ". g:NERDTreeMapQuit .": Close the NERDTree window\n"
+ let help .= "\" ". g:NERDTreeMapToggleZoom .": Zoom (maximize-minimize)\n"
+ let help .= "\" the NERDTree window\n"
+ let help .= "\" ". g:NERDTreeMapHelp .": toggle help\n"
+ let help .= "\"\n\" ----------------------------\n"
+ let help .= "\" Bookmark commands~\n"
+ let help .= "\" :Bookmark [<name>]\n"
+ let help .= "\" :BookmarkToRoot <name>\n"
+ let help .= "\" :RevealBookmark <name>\n"
+ let help .= "\" :OpenBookmark <name>\n"
+ let help .= "\" :ClearBookmarks [<names>]\n"
+ let help .= "\" :ClearAllBookmarks\n"
+ silent! put =help
elseif !self.isMinimal()
- let @h="\" Press ". g:NERDTreeMapHelp ." for help\n"
- silent! put h
+ let help ="\" Press ". g:NERDTreeMapHelp ." for help\n"
+ silent! put =help
endif
-
- let @h = old_h
endfunction
@@ -440,10 +437,7 @@ function! s:UI.render()
call cursor(line(".")+1, col("."))
"draw the tree
- let old_o = @o
- let @o = self.nerdtree.root.renderToString()
- silent put o
- let @o = old_o
+ silent put =self.nerdtree.root.renderToString()
"delete the blank line at the top of the buffer
silent 1,1delete _
