making sure to open popup relative to cursor

autoload/vimspector.vim

@@ -524,7 +524,7 @@ function! vimspector#OnBufferCreated( file_name ) abort
 endfunction
 
 function! vimspector#ShowTooltip()  abort
-  return py3eval('_vimspector_session.ShowTooltip(int( vim.eval( "winnr()" ) ) ,vim.eval( "expand(\"<cexpr>\")" ) )')
+  return py3eval('_vimspector_session.ShowTooltip(int( vim.eval( "winnr()" ) ) ,vim.eval( "expand(\"<cexpr>\")" ), 0)')
 endfunction
 
 

autoload/vimspector/internal/balloon.vim

@@ -30,13 +30,8 @@ function! vimspector#internal#balloon#BalloonExpr() abort
 endfunction
 
 " Returns: py.ShowBalloon( winnr, expresssion )
-function! vimspector#internal#balloon#Tooltip() abort
-  " winnr + 1 because for *no good reason* winnr is 0 based here unlike
-  " everywhere else
-  " int() because for *no good reason* winnr is a string.
-  return py3eval('_vimspector_session.ShowBalloon('
-        \ . 'int( vim.eval( "v:beval_winnr" ) ) + 1,'
-        \ . 'vim.eval( "expand(\"<cexpr>\")" ) )' )
+function! vimspector#internal#balloon#HoverTooltip() abort
+  return py3eval('_vimspector_session.ShowTooltip(int( vim.eval( "v:beval_winnr" ) ) + 1 ,vim.eval( "v:beval_text"), 1)')
 endfunction
 
 
@@ -47,11 +42,16 @@ function! vimspector#internal#balloon#closeCallback() abort
   return py3eval('_vimspector_session._CleanUpTooltip()')
 endfunction
 
-function! vimspector#internal#balloon#CreateTooltip() abort
+function! vimspector#internal#balloon#CreateTooltip(is_hover, ...)
+  let body = []
+  if a:0 > 0
+    let body = a:1
+  endif
+
   if has('nvim')
     let buf = nvim_create_buf(v:false, v:true)
     " call nvim_buf_set_option(buf, 'modifiable', v:false)
-    call nvim_buf_set_lines(buf, 0, -1, v:true, [])
+    call nvim_buf_set_lines(buf, 0, -1, v:true, body)
 
     " default the dimensions for now. they can be easily overwritten later
     let opts = #{
@@ -117,7 +117,7 @@ function! vimspector#internal#balloon#CreateTooltip() abort
       call vimspector#internal#balloon#closeCallback()
     endif
 
-    let s:float_win = popup_create([], #{
+    let config = #{
       \ filter: "MyFilter",
       \ cursorline: 1,
       \ wrap: 1,
@@ -125,9 +125,14 @@ function! vimspector#internal#balloon#CreateTooltip() abort
       \ maxwidth: 50,
       \ maxheight: 5,
       \ scrollbar: 1,
-      \ moved: "any",
-      \ })
-    " call setbufvar(winbufnr(s:float_win), '&buflisted', 1)
+      \ }
+    if a:is_hover
+      let config['mousemoved'] = "word"
+      let s:float_win = popup_beval(body, config)
+    else
+      let config['moved'] = "any"
+      let s:float_win = popup_atcursor(body, config)
+    endif
 
   endif
 

python3/vimspector/debug_session.py

@@ -540,7 +540,7 @@ class DebugSession( object ):
 
 
   @IfConnected()
-  def ShowTooltip(self, winnr, expression):
+  def ShowTooltip(self, winnr, expression, is_hover):
     """Proxy: ballonexpr -> variables.ShowBallon"""
     frame = self._stackTraceView.GetCurrentFrame()
     # Check if RIP is in a frame
@@ -556,7 +556,7 @@ class DebugSession( object ):
       return ''
 
     # Return variable aware function
-    return self._variablesView.VariableEval(frame, expression)
+    return self._variablesView.VariableEval(frame, expression, is_hover)
 
   def _CleanUpTooltip(self):
     return self._variablesView._CleanUpTooltip()

python3/vimspector/utils.py

@@ -634,19 +634,13 @@ def ParseVariables( variables_list,
   return new_variables
 
 
-def DisplayBaloon( is_term, display ):
-  if int(vim.eval("has('nvim')")):
-    vim.eval("vimspector#internal#state#TooltipExec({})".format(display))
-    return
-
+def DisplayBaloon( is_term, display, is_hover = False ):
   if not is_term:
-    display = '\n'.join( display )
     # To enable the Windows GUI to display the balloon correctly
     # Refer https://github.com/vim/vim/issues/1512#issuecomment-492070685
-    vim.eval( "balloon_show( '' )" )
+    display = '\n'.join( display )
 
-  vim.eval( "balloon_show( {0} )".format(
-    json.dumps( display ) ) )
+  return int( vim.eval( "vimspector#internal#balloon#CreateTooltip({}, {})".format(is_hover, json.dumps( display )) ) )
 
 
 def GetBufferFilepath( buf ):

python3/vimspector/variables.py

@@ -186,7 +186,7 @@ class VariablesView( object ):
         'balloonexpr': vim.options[ 'balloonexpr' ],
         'balloondelay': vim.options[ 'balloondelay' ],
       }
-      vim.options[ 'balloonexpr' ] = 'vimspector#internal#balloon#BalloonExpr()'
+      vim.options[ 'balloonexpr' ] = 'vimspector#internal#balloon#HoverTooltip()'
       vim.options[ 'balloondelay' ] = 250
 
     if has_balloon:
@@ -282,7 +282,7 @@ class VariablesView( object ):
     self._variable_eval_view = None
     return ''
 
-  def VariableEval(self, frame, expression):
+  def VariableEval(self, frame, expression, is_hover):
     """Callback to display variable under cursor `:h ballonexpr`"""
     if not self._connection:
       return ''
@@ -291,8 +291,7 @@ class VariablesView( object ):
       body = message[ 'body' ]
 
       self._variable_eval = Scope(body)
-
-      float_win_id = vim.eval("vimspector#internal#balloon#CreateTooltip()")
+      float_win_id = utils.DisplayBaloon(self._is_term, [], is_hover)
       float_buf_nr = int(vim.eval("winbufnr({})".format(float_win_id)))
 
       # since vim's popup cant be focused there is no way
@@ -318,7 +317,7 @@ class VariablesView( object ):
 
     def failure_handler( reason, message ):
       display = [ reason ]
-      utils.DisplayBaloon( self._is_term, display )
+      utils.DisplayBaloon( self._is_term, display, is_hover )
 
     # Send async request
     self._connection.DoRequest( handler, {
@@ -331,7 +330,7 @@ class VariablesView( object ):
     }, failure_handler )
 
     # Return working (meanwhile)
-    return '...'
+    return ''
 
   def AddWatch( self, frame, expression ):
     watch = {