Add support multiple notification (#3624)

autoload/SpaceVim/api/notification.vim

@@ -9,10 +9,12 @@
 
 " Global values, this can be used between different notification
 
-let s:shown = []
+let s:notifications = {}
+
+" dictionary values and functions
 
 let s:self = {}
-
+let s:self.message = []
 let s:self.winid = -1
 let s:self.bufnr = -1
 let s:self.border = {}
@@ -22,6 +24,7 @@ let s:self.borderchars = ['─', '│', '─', '│', '┌', '┐', '┘', '└'
 let s:self.title = ''
 let s:self.win_is_open = 0
 let s:self.timeout = 3000
+let s:self.hashkey = ''
 
 if has('nvim')
   let s:self.__floating = SpaceVim#api#import('neovim#floating')
@@ -29,6 +32,7 @@ else
   let s:self.__floating = SpaceVim#api#import('vim#floating')
 endif
 let s:self.__buffer = SpaceVim#api#import('vim#buffer')
+let s:self.__password = SpaceVim#api#import('password')
 
 function! s:self.draw_border(title, width, height) abort
   let top = self.borderchars[4] .
@@ -69,44 +73,77 @@ endfunction
 
 
 function! s:self.close(...) dict
-  if len(s:shown) == 1
+  if !empty(self.message)
+    call remove(self.message, 0)
+    let self.notification_width = max(map(deepcopy(self.message), 'strwidth(v:val)'))
+  endif
+  if len(self.message) == 0
     noautocmd call self.__floating.win_close(self.border.winid, v:true)
     noautocmd call self.__floating.win_close(self.winid, v:true)
+    call remove(s:notifications, self.hashkey)
     let self.win_is_open = v:false
   endif
-  if !empty(s:shown)
+  for hashkey in keys(s:notifications)
-    call remove(s:shown, 0)
+      call s:notifications[hashkey].redraw_windows()
-  endif
+  endfor
 endfunction
 
 function! s:self.notification(msg, color) abort
-  call add(s:shown, a:msg)
+  call add(self.message, a:msg)
+  let self.notification_color = a:color
   if !bufexists(self.border.bufnr)
     let self.border.bufnr = self.__buffer.create_buf(0, 0)
   endif
   if !bufexists(self.bufnr)
     let self.bufnr = self.__buffer.create_buf(0, 0)
   endif
-  call self.__buffer.buf_set_lines(self.border.bufnr, 0 , -1, 0, self.draw_border(self.title, strwidth(a:msg), len(s:shown)))
+  if empty(self.hashkey)
-  call self.__buffer.buf_set_lines(self.bufnr, 0 , -1, 0, s:shown)
+    let self.hashkey = self.__password.generate_simple(10)
+  endif
+  call self.redraw_windows()
+  call setbufvar(self.bufnr, '&number', 0)
+  call setbufvar(self.bufnr, '&relativenumber', 0)
+  call setbufvar(self.bufnr, '&buftype', 'nofile')
+  call setbufvar(self.border.bufnr, '&number', 0)
+  call setbufvar(self.border.bufnr, '&relativenumber', 0)
+  call setbufvar(self.border.bufnr, '&buftype', 'nofile')
+  call extend(s:notifications, {self.hashkey : self})
+  call timer_start(self.timeout, self.close, {'repeat' : 1})
+endfunction
+
+function! s:self.redraw_windows() abort
+  if empty(self.message)
+    return
+  endif
+  let self.notification_width = max(map(deepcopy(self.message), 'strwidth(v:val)'))
+  call self.__buffer.buf_set_lines(self.border.bufnr, 0 , -1, 0, self.draw_border(self.title, self.notification_width, len(self.message)))
+  call self.__buffer.buf_set_lines(self.bufnr, 0 , -1, 0, self.message)
+  let self.begin_row = 2
+  for hashkey in keys(s:notifications)
+    if hashkey !=# self.hashkey
+      let self.begin_row += len(s:notifications[hashkey].message) + 2
+    else
+      break
+    endif
+  endfor
   if self.win_is_open
     call self.__floating.win_config(self.winid,
           \ {
           \ 'relative': 'editor',
-          \ 'width'   : strwidth(a:msg), 
+          \ 'width'   : self.notification_width, 
-          \ 'height'  : len(s:shown),
+          \ 'height'  : len(self.message),
-          \ 'row': 3,
+          \ 'row': self.begin_row + 1,
-          \ 'highlight' : a:color,
+          \ 'highlight' : self.notification_color,
           \ 'focusable' : v:false,
-          \ 'col': &columns - strwidth(a:msg) - 1,
+          \ 'col': &columns - self.notification_width - 1,
           \ })
     call self.__floating.win_config(self.border.winid,
           \ {
           \ 'relative': 'editor',
-          \ 'width'   : strwidth(a:msg) + 2, 
+          \ 'width'   : self.notification_width + 2, 
-          \ 'height'  : len(s:shown) + 2,
+          \ 'height'  : len(self.message) + 2,
-          \ 'row': 2,
+          \ 'row': self.begin_row,
-          \ 'col': &columns - strwidth(a:msg) - 2,
+          \ 'col': &columns - self.notification_width - 2,
           \ 'highlight' : 'VertSplit',
           \ 'focusable' : v:false,
           \ })
@@ -114,32 +151,25 @@ function! s:self.notification(msg, color) abort
     let self.winid =  self.__floating.open_win(self.bufnr, v:false,
           \ {
           \ 'relative': 'editor',
-          \ 'width'   : strwidth(a:msg), 
+          \ 'width'   : self.notification_width, 
-          \ 'height'  : len(s:shown),
+          \ 'height'  : len(self.message),
-          \ 'row': 3,
+          \ 'row': self.begin_row + 1,
-          \ 'highlight' : a:color,
+          \ 'highlight' : self.notification_color,
-          \ 'col': &columns - strwidth(a:msg) - 1,
+          \ 'col': &columns - self.notification_width - 1,
           \ 'focusable' : v:false,
           \ })
     let self.border.winid =  self.__floating.open_win(self.border.bufnr, v:false,
           \ {
           \ 'relative': 'editor',
-          \ 'width'   : strwidth(a:msg) + 2, 
+          \ 'width'   : self.notification_width + 2, 
-          \ 'height'  : len(s:shown) + 2,
+          \ 'height'  : len(self.message) + 2,
-          \ 'row': 2,
+          \ 'row': self.begin_row,
-          \ 'col': &columns - strwidth(a:msg) - 2,
+          \ 'col': &columns - self.notification_width - 2,
           \ 'highlight' : 'VertSplit',
           \ 'focusable' : v:false,
           \ })
     let self.win_is_open = v:true
   endif
-  call setbufvar(self.bufnr, '&number', 0)
-  call setbufvar(self.bufnr, '&relativenumber', 0)
-  call setbufvar(self.bufnr, '&buftype', 'nofile')
-  call setbufvar(self.border.bufnr, '&number', 0)
-  call setbufvar(self.border.bufnr, '&relativenumber', 0)
-  call setbufvar(self.border.bufnr, '&buftype', 'nofile')
-  call timer_start(self.timeout, self.close, {'repeat' : 1})
 endfunction