Making it possible to disable/change the mappings.

Author: DroZ-hun

doc/clang_complete.txt

@@ -137,6 +137,12 @@ The snippets engine (clang_complete, ultisnips... see the snippets
 subdirectory).
 Default: "clang_complete"
 
+				       	*clang_complete-snippet_jump_map*
+				       	*g:clang_complete_snippet_jump_map*
+Key clang_complete snippet engine uses to jump between replaceables.
+If it is empty string, then nothing is mapped.
+Default: '<tab>'
+
        				       	*clang_complete-conceal_snippets*
        				       	*g:clang_conceal_snippets*
 Note: This option is specific to clang_complete snippets engine.
@@ -272,18 +278,21 @@ Default: 0
 					*g:clang_print_type_key*
 Set the key used to print the type of the identifier under cursor.
 If cursor is on an enum, then the value of that enum is also printed.
+If it is empty then no shortcut will be created to gather this info.
 Defaut: "zp"
 Note: You can call ClangPrintType() vim function to print this information.
 
 					*clang_complete-jumpto_declaration_key*
 					*g:clang_jumpto_declaration_key*
 Set the key used to jump to declaration.
+If it is empty then no shortcut will be created for this jump.
 Default: "<C-]>"
 Note: You could use the g:ClangGotoDeclaration() to do the same with a mapping.
 
 					*clang_complete-jumpto_declaration_in_preview_key*
 					*g:clang_jumpto_declaration_in_preview_key*
 Set the key used to jump to declaration in a preview window.
+If it is empty then no shortcut will be created for this jump.
 Default: "<C-W>]"
 Note: You could use the g:ClangGotoDeclarationPreview() to do the same with a mapping.
 
@@ -292,6 +301,7 @@ Note: You could use the g:ClangGotoDeclarationPreview() to do the same with a ma
 Set the key used to jump back.
 Note: Effectively this will be remapped to <C-O>. The default value is chosen
 to be coherent with ctags implementation.
+If it is empty then nothing will be remapped to <C-O>, you can use <C-O> as it is.
 Default: "<C-T>"
 
 					*clang_complete-make_default_keymappings*

plugin/clang_complete.vim

@@ -78,6 +78,10 @@ function! s:ClangCompleteInit()
     let g:clang_snippets_engine = 'clang_complete'
   endif
 
+  if !exists('g:clang_complete_snippet_jump_map')
+    let g:clang_complete_snippet_jump_map = '<tab>'
+  endif
+
   if !exists('g:clang_user_options')
     let g:clang_user_options = ''
   endif
@@ -195,10 +199,18 @@ function! s:ClangCompleteInit()
     inoremap <expr> <buffer> . <SID>CompleteDot()
     inoremap <expr> <buffer> > <SID>CompleteArrow()
     inoremap <expr> <buffer> : <SID>CompleteColon()
-    execute "nnoremap <buffer> <silent> " . g:clang_print_type_key . " :call ClangPrintType()<CR><Esc>"
-    execute "nnoremap <buffer> <silent> " . g:clang_jumpto_declaration_key . " :call <SID>GotoDeclaration(0)<CR><Esc>"
-    execute "nnoremap <buffer> <silent> " . g:clang_jumpto_declaration_in_preview_key . " :call <SID>GotoDeclaration(1)<CR><Esc>"
-    execute "nnoremap <buffer> <silent> " . g:clang_jumpto_back_key . " <C-O>"
+    if g:clang_print_type_key != ""
+      execute "nnoremap <buffer> <silent> " . g:clang_print_type_key . " :call ClangPrintType()<CR><Esc>"
+    endif
+    if g:clang_jumpto_declaration_key != ""
+      execute "nnoremap <buffer> <silent> " . g:clang_jumpto_declaration_key . " :call <SID>GotoDeclaration(0)<CR><Esc>"
+    endif
+    if g:clang_jumpto_declaration_in_preview_key != ""
+      execute "nnoremap <buffer> <silent> " . g:clang_jumpto_declaration_in_preview_key . " :call <SID>GotoDeclaration(1)<CR><Esc>"
+    endif
+    if g:clang_jumpto_back_key != ""
+      execute "nnoremap <buffer> <silent> " . g:clang_jumpto_back_key . " <C-O>"
+    endif
   endif
 
   if g:clang_omnicppcomplete_compliance == 1

plugin/snippets/clang_complete.py

@@ -2,9 +2,11 @@
 import vim
 
 def snippetsInit():
-  python_cmd = vim.eval('s:py_cmd')
-  vim.command("noremap <silent> <buffer> <tab> :{} updateSnips()<CR>".format(python_cmd))
-  vim.command("snoremap <silent> <buffer> <tab> <ESC>:{} updateSnips()<CR>".format(python_cmd))
+  snippet_jump_map = vim.eval("g:clang_complete_snippet_jump_map")
+  if "" != snippet_jump_map:
+    python_cmd = vim.eval('s:py_cmd')
+    vim.command("noremap <silent> <buffer> {} :{} updateSnips()<CR>".format(snippet_jump_map, python_cmd))
+    vim.command("snoremap <silent> <buffer> {} <ESC>:{} updateSnips()<CR>".format(snippet_jump_map, python_cmd))
   if int(vim.eval("g:clang_conceal_snippets")) == 1:
     vim.command("syntax match placeHolder /\$`[^`]*`/ contains=placeHolderMark")
     vim.command("syntax match placeHolderMark contained /\$`/ conceal")