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July 24, 2010 10:15
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let w:gx_history_list = [{}] | |
let w:gx_history_current_index = 0 | |
let w:gx_original_qflist = {} | |
function! s:GetCurrentQFIndex() | |
let qflist = getqflist() | |
if empty(qflist) | |
return -1 | |
endif | |
let win_num = winnr() | |
wincmd b | |
if win_num == winnr() " not displayed | |
return -1 | |
endif | |
let ret = line('.') | |
execute win_num ':wincmd w' | |
return ret | |
endfunction | |
function! s:GetNearestQFIndex() | |
let qflist = getqflist() | |
if empty(qflist) | |
return | |
endif | |
let line = line('.') | |
let buf_num = bufnr('%') | |
let next = -1 | |
let index = 0 | |
for elem in qflist | |
if buf_num != elem['bufnr'] | |
let index += 1 | |
continue | |
endif | |
if next == -1 | |
let next = index | |
endif | |
if line >= elem['lnum'] | |
if qflist[next]['lnum'] >= line || qflist[next]['lnum'] < elem['lnum'] | |
let next = index | |
endif | |
else | |
if qflist[next]['lnum'] >= line && qflist[next]['lnum'] > elem['lnum'] | |
let next = index | |
endif | |
endif | |
let index += 1 | |
endfor | |
return next != -1 ? next + 1 : 1 | |
endfunction | |
function! s:ResizeQFWindow() | |
let qflist = getqflist() | |
if empty(qflist) | |
return | |
endif | |
let height = min([len(qflist), 2 + &lines / 5]) | |
let win_num = winnr() | |
wincmd b | |
if win_num == winnr() | |
return | |
endif | |
execute ":resize " . height | |
execute win_num ":wincmd w" | |
endfunction | |
function! s:CreateHistory() | |
let ret = {} | |
let ret['pos'] = getpos('.') | |
let ret['bufnr'] = bufnr('%') | |
let ret['qflist'] = getqflist() | |
let ret['qfindex'] = s:GetCurrentQFIndex() | |
return ret | |
endfunction | |
function! s:SaveCurrentHistory() | |
let w:gx_history_list[w:gx_history_current_index] = s:CreateHistory() | |
endfunction | |
function! s:CutOldHistory() | |
if len(w:gx_history_list) > w:gx_history_current_index + 1 | |
call remove(w:gx_history_list, w:gx_history_current_index + 1, -1) | |
endif | |
endfunction | |
function! s:UpdateHistoryAtJump() | |
if len(w:gx_history_list) > w:gx_history_current_index + 1 | |
call remove(w:gx_history_list, w:gx_history_current_index + 1, -1) | |
endif | |
call add(w:gx_history_list, {}) | |
let w:gx_history_current_index += 1 | |
endfunction | |
function! s:SetQFListAtCenter() | |
let win_num = winnr() | |
wincmd b | |
if win_num == winnr() " not displayed | |
return | |
endif | |
let height = winheight(0) | |
let size = len(getqflist()) | |
let index = line('.') | |
if height == size | |
execute "normal 1zt" | |
else | |
if index <= size - (height + 1) / 2 | |
execute "normal zz" | |
else | |
let before = line('.') | |
execute "normal" (size - (height + 1) / 2 + 1) . "zz" | |
let after = line('.') | |
if before > after | |
execute "normal" (before - after) . "j" | |
endif | |
endif | |
endif | |
execute win_num ':wincmd w' | |
endfunction | |
function! s:SetMainWindowAtCenter(prev_top_pos) | |
let current_pos = getpos('.') | |
if a:prev_top_pos[0] == current_pos[0] | |
" 表示上の行じゃないのでたまにおかしくなる | |
if a:prev_top_pos[1] < current_pos[1] && current_pos[1] < a:prev_top_pos[1] + winheight(0) - 1 | |
return | |
endif | |
endif | |
normal ":zz" | |
endfunction | |
function! s:TruncateQFList(list) | |
let width = winwidth(0) | |
let i = 0 | |
while i < len(a:list) | |
let rest = width - 3 - len(a:list[i]['lnum']) - len(bufname(a:list[i]['bufnr'])) | |
if rest < 0 | |
let rest = 0 | |
endif | |
let a:list[i]['text'] = substitute(a:list[i]['text'], "^\\s\\+", "", "") | |
let a:list[i]['text'] = substitute(a:list[i]['text'], "\t", repeat(" ", &tabstop), "g") | |
let a:list[i]['text'] = matchstr(a:list[i]['text'], "^.*\\%<" . (rest+2) . "v") | |
let i += 1 | |
endwhile | |
endfunction | |
function! s:CompateTag(lhs, rhs) | |
if a:lhs['bufnr'] == a:rhs['bufnr'] | |
return a:lhs['lnum'] == a:rhs['lnum'] ? 0 : a:lhs['lnum'] > a:rhs['lnum'] ? 1 : -1 | |
else | |
return a:lhs['bufnr'] > a:rhs['bufnr'] ? 1 : -1 | |
endif | |
endfunction | |
function! s:GtagsEx(arg) | |
if &lines < 4 | |
return | |
endif | |
call s:SaveCurrentHistory() | |
let bufnr = bufnr('%') | |
let pos = getpos('.') | |
let top_pos = getpos('w0') | |
call setqflist([]) | |
execute 'Gtags ' . a:arg | |
let qflist = getqflist() | |
if empty(qflist) | |
cclose | |
return | |
endif | |
call sort(qflist, 's:CompateTag') | |
call s:TruncateQFList(qflist) | |
call setqflist(qflist, 'r') | |
call s:UpdateHistoryAtJump() | |
execute ":buffer" . bufnr | |
call setpos('.', pos) | |
execute ":crewind " . s:GetNearestQFIndex() | |
call s:ResizeQFWindow() | |
call s:SetQFListAtCenter() | |
call s:SetMainWindowAtCenter(top_pos) | |
endfunction | |
function! s:GtagsExFile() | |
if &lines < 4 | |
return | |
endif | |
call s:SaveCurrentHistory() | |
let pos = getpos('.') | |
call setqflist([]) | |
execute 'Gtags -f %' | |
let qflist = getqflist() | |
if empty(qflist) | |
cclose | |
return | |
endif | |
call sort(qflist, 's:CompateTag') | |
call s:TruncateQFList(qflist) | |
call setqflist(qflist, 'r') | |
call setpos('.', pos) | |
execute ":crewind " . s:GetNearestQFIndex() | |
call setpos('.', pos) | |
call s:ResizeQFWindow() | |
call s:SetQFListAtCenter() | |
endfunction | |
function! s:GtagsExToggle() | |
let win_count = winnr('$') | |
cclose | |
if win_count != winnr('$') | |
return | |
endif | |
if &lines < 4 | |
return | |
endif | |
let qflist = getqflist() | |
if empty(qflist) | |
call s:GtagsExFile() | |
else | |
let pos = getpos('.') | |
let win_num = winnr() | |
call sort(qflist, 's:CompateTag') | |
call s:TruncateQFList(qflist) | |
call setqflist(qflist) | |
copen | |
execute win_num ":wincmd w" | |
call setpos('.', pos) | |
execute ":crewind" . s:GetNearestQFIndex() | |
call setpos('.', pos) | |
call s:ResizeQFWindow() | |
call s:SetQFListAtCenter() | |
end | |
endfunction | |
function! s:GtagsExCursor() | |
if &lines < 4 | |
return | |
endif | |
call s:SaveCurrentHistory() | |
let bufnr = bufnr('%') | |
let pos = getpos('.') | |
let top_pos = getpos('w0') | |
call setqflist([]) | |
GtagsCursor | |
let qflist = getqflist() | |
if empty(qflist) | |
cclose | |
return | |
endif | |
call sort(qflist , 's:CompateTag') | |
call s:TruncateQFList(qflist) | |
call setqflist(qflist, 'r') | |
call s:UpdateHistoryAtJump() | |
execute ":buffer" . bufnr | |
call setpos('.', pos) | |
execute ":crewind " . s:GetNearestQFIndex() | |
call s:ResizeQFWindow() | |
call s:SetQFListAtCenter() | |
call s:SetMainWindowAtCenter(top_pos) | |
endfunction | |
function! s:JumpHistory(index) | |
if len(w:gx_history_list) <= a:index | |
return 0 | |
endif | |
let history = w:gx_history_list[a:index] | |
if empty(history) || empty(history['pos']) || history['bufnr'] == 0 | |
return 0 | |
endif | |
call s:SaveCurrentHistory() | |
let top_pos = getpos('w0') | |
call setqflist(history['qflist']) | |
copen | |
if !empty(history['qflist']) && history['qfindex'] != -1 | |
execute ':crewind ' . history['qfindex'] | |
call s:ResizeQFWindow() | |
call s:SetQFListAtCenter() | |
else | |
cclose | |
endif | |
execute ':buffer ' . history['bufnr'] | |
call setpos('.', history['pos']) | |
call s:SetMainWindowAtCenter(top_pos) | |
return 1 | |
endfunction | |
function! s:GtagsExHistoryNext() | |
if len(w:gx_history_list) <= w:gx_history_current_index + 1 | |
return | |
endif | |
if s:JumpHistory(w:gx_history_current_index + 1) | |
let w:gx_history_current_index += 1 | |
endif | |
endfunction | |
function! s:GtagsExHistoryPrev() | |
if w:gx_history_current_index - 1 <= -1 | |
return | |
endif | |
if s:JumpHistory(w:gx_history_current_index - 1) | |
let w:gx_history_current_index -= 1 | |
endif | |
endfunction | |
function! s:GtagsExListNext() | |
let qflist = getqflist() | |
if empty(qflist) | |
return | |
endif | |
let next = -1 | |
let line = line('.') | |
let buf_num = bufnr('%') | |
let index = 0 | |
for elem in qflist | |
if buf_num != elem['bufnr'] | |
let index += 1 | |
continue | |
endif | |
if next == -1 | |
let next = index | |
endif | |
if line < elem['lnum'] | |
if qflist[next]['lnum'] <= line || qflist[next]['lnum'] > elem['lnum'] | |
let next = index | |
endif | |
else | |
if qflist[next]['lnum'] <= line && qflist[next]['lnum'] < elem['lnum'] | |
let next = index | |
endif | |
endif | |
let index += 1 | |
endfor | |
if next == -1 | |
let top_pos = getpos('w0') | |
execute ':crewind 1' | |
call s:SetMainWindowAtCenter(top_pos) | |
return | |
endif | |
if qflist[next]['lnum'] <= line | |
let next += 1 | |
endif | |
if next < len(qflist) | |
let top_pos = getpos('w0') | |
execute ':crewind' . (next + 1) | |
call s:SetQFListAtCenter() | |
call s:SetMainWindowAtCenter(top_pos) | |
endif | |
endfunction | |
function! s:GtagsExListPrev() | |
let qflist = getqflist() | |
if empty(qflist) | |
return | |
endif | |
let next = -1 | |
let line = line('.') | |
let buf_num = bufnr('%') | |
let index = 0 | |
for elem in qflist | |
if buf_num != elem['bufnr'] | |
let index += 1 | |
continue | |
endif | |
if next == -1 | |
let next = index | |
endif | |
if line > elem['lnum'] | |
if qflist[next]['lnum'] >= line || qflist[next]['lnum'] < elem['lnum'] | |
let next = index | |
endif | |
else | |
if qflist[next]['lnum'] >= line && qflist[next]['lnum'] > elem['lnum'] | |
let next = index | |
endif | |
endif | |
let index += 1 | |
endfor | |
if next == -1 | |
let top_pos = getpos('w0') | |
execute ':crewind 1' | |
call s:SetMainWindowAtCenter(top_pos) | |
return | |
endif | |
if line <= qflist[next]['lnum'] | |
let next -= 1 | |
endif | |
if -1 < next | |
let top_pos = getpos('w0') | |
execute ':crewind' . (next + 1) | |
call s:SetQFListAtCenter() | |
call s:SetMainWindowAtCenter(top_pos) | |
endif | |
endfunction | |
command! -nargs=* -complete=custom,Candidate GtagsEx call s:GtagsEx(<q-args>) | |
command! -nargs=0 GtagsExToggle call s:GtagsExToggle() | |
command! -nargs=0 GtagsExFile call s:GtagsExFile() | |
command! -nargs=0 GtagsExCursor call s:GtagsExCursor() | |
command! -nargs=0 GtagsExHistoryNext call s:GtagsExHistoryNext() | |
command! -nargs=0 GtagsExHistoryPrev call s:GtagsExHistoryPrev() | |
command! -nargs=0 GtagsExListNext call s:GtagsExListNext() | |
command! -nargs=0 GtagsExListPrev call s:GtagsExListPrev() |
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