context menu: can save last position and can filter with filetypes

Author: skywind3000

autoload/quickui/context.vim

@@ -16,6 +16,9 @@
 " last position
 let g:quickui#context#cursor = -1
 
+" save positions
+let s:previous_cursor = {}
+
 
 "----------------------------------------------------------------------
 " compile
@@ -90,7 +93,6 @@ function! quickui#context#compile(items, border)
 endfunc
 
 
-
 "----------------------------------------------------------------------
 " create menu object
 "----------------------------------------------------------------------
@@ -103,6 +105,11 @@ function! s:vim_create_context(textlist, opts)
 	let hwnd.winid = winid
 	let hwnd.index = get(a:opts, 'index', -1)
 	let hwnd.opts = deepcopy(a:opts)
+	if has_key(hwnd.opts, 'savepos')
+		if has_key(s:previous_cursor, hwnd.opts.savepos)
+			let hwnd.index = get(s:previous_cursor, hwnd.opts.savepos, 0)
+		endif
+	endif
 	let opts = {'minwidth':w, 'maxwidth':w, 'minheight':h, 'maxheight':h}
 	if has_key(a:opts, 'line') && has_key(a:opts, 'col')
 		let opts.line = a:opts.line
@@ -266,6 +273,9 @@ function! s:popup_exit(winid, code)
 	let g:quickui#context#current = hwnd
 	let g:quickui#context#cursor = hwnd.index
 	let redrawed = 0
+	if has_key(hwnd.opts, 'savepos')
+		let s:previous_cursor[hwnd.opts.savepos] = hwnd.index
+	endif
 	if has_key(hwnd.opts, 'callback')
 		let F = function(hwnd.opts.callback)
 		call F(code)
@@ -491,6 +501,11 @@ function! s:nvim_create_context(textlist, opts)
 	let h = hwnd.height
 	let hwnd.index = get(a:opts, 'index', -1)
 	let hwnd.opts = deepcopy(a:opts)
+	if has_key(hwnd.opts, 'savepos')
+		if has_key(s:previous_cursor, hwnd.opts.savepos)
+			let hwnd.index = get(s:previous_cursor, hwnd.opts.savepos, 0)
+		endif
+	endif
 	let opts = {'width':w, 'height':h, 'focusable':1, 'style':'minimal'}
 	let opts.relative = 'editor'
 	if has_key(a:opts, 'line') && has_key(a:opts, 'col')
@@ -603,6 +618,9 @@ function! s:nvim_create_context(textlist, opts)
 	let g:quickui#context#code = retval
 	let g:quickui#context#current = hwnd
 	let g:quickui#context#cursor = hwnd.index
+	if has_key(hwnd.opts, 'savepos')
+		let s:previous_cursor[hwnd.opts.savepos] = hwnd.index
+	endif
 	if has_key(hwnd.opts, 'callback')
 		let F = function(hwnd.opts.callback)
 		call F(retval)
@@ -620,19 +638,64 @@ function! s:nvim_create_context(textlist, opts)
 endfunc
 
 
+"----------------------------------------------------------------------
+" reduce with file types
+"----------------------------------------------------------------------
+function! s:reduce_items(textlist)
+	let output = []
+	let state = 1
+	let index = 0
+	let limit = len(a:textlist)
+	for item in a:textlist
+		if len(item) > 0
+			let issep = ((item[0]) =~ '^-\+$')? 1 : 0
+			if issep != 0
+				if state == 0
+					if index + 1 < limit
+						let output += [item]
+						let state = 1
+					endif
+				endif
+			else
+				if type(item) == v:t_string
+					let output += [item]
+					let state = 0
+				elseif len(item) < 4
+					let output += [item]
+					let state = 0
+				else
+					for check in split(item[3], ',')
+						if &ft == check
+							let output += [item]
+							let state = 0
+							break
+						endif
+					endfor
+				endif
+			endif
+		endif
+		let index += 1
+	endfor
+	return output
+endfunc
+
+
 "----------------------------------------------------------------------
 " create menu object
 "----------------------------------------------------------------------
 function! quickui#context#open(textlist, opts)
+	let textlist = a:textlist
+	if get(a:opts, 'reduce', 0) != 0
+		let textlist = s:reduce_items(a:textlist)
+	endif
 	if g:quickui#core#has_nvim == 0
-		return s:vim_create_context(a:textlist, a:opts)
+		return s:vim_create_context(textlist, a:opts)
 	else
-		return s:nvim_create_context(a:textlist, a:opts)
+		return s:nvim_create_context(textlist, a:opts)
 	endif
 endfunc
 
 
-
 "----------------------------------------------------------------------
 " testing suit 
 "----------------------------------------------------------------------
@@ -646,10 +709,11 @@ if 0
 				\ "&Save\tCtrl+s",
 				\ "Save &As",
 				\ "Save All",
-				\ "-",
+				\ "--",
 				\ "&User Menu\tF9",
 				\ "&Dos Shell",
 				\ "~&Time %{&undolevels? '+':'-'}",
+				\ ["S&plit", 'help 1', '', 'vim2'],
 				\ "--",
 				\ "E&xit\tAlt+x",
 				\ "&Help",
@@ -658,7 +722,9 @@ if 0
 	" let menu = quickui#context#menu_compile(lines, 1)
 	let opts = {'cursor': -1, 'line2':'cursor+1', 'col2': 'cursor', 'horizon':1}
 	" let opts.index = 2
+	let opts.savepos = 'f'
 	let opts.callback = 'MyCallback'
+	let opts.reduce = 1
 	function! MyCallback(code)
 		echo "callback: " . a:code
 	endfunc