runtime/termdebug.vim #10015

* bugfix
* use NormalFloat for floating window background
* use floating window by default
* correctly use nvim_open_win()
* use nvim_win_set_option to set window local option
* use nvim_buf_set_option for buffer options
* renamed augroup to nvim_termdebug_close_hover to be consistent with
nvim_terminal_... augroup

runtime/doc/nvim_terminal_emulator.txt

@@ -328,9 +328,9 @@ To change the name of the gdb command, set the "termdebugger" variable before
 invoking `:Termdebug`: >
 	let termdebugger = "mygdb"
 
-To use neovim floating windows for previewing variable evaluation, set the
+To not use neovim floating windows for previewing variable evaluation, set the
 `g:termdebug_useFloatingHover` variable like this: >
-	let g:termdebug_useFloatingHover = 1
+	let g:termdebug_useFloatingHover = 0
 
 If you are a mouse person, you can also define a mapping using your right
 click to one of the terminal command like evaluate the variable under the

runtime/pack/dist/opt/termdebug/plugin/termdebug.vim

@@ -579,7 +579,7 @@ func s:HandleEvaluate(msg)
   endif
 endfunc
 
-function! s:ShouldUseFloatWindow() abort
+function! s:ShouldUseFloatWindow() abort
   if exists('*nvim_open_win') && (get(g:, 'termdebug_useFloatingHover', 1) == 1)
     return v:true
   else
@@ -593,19 +593,19 @@ function! s:CloseFloatingHoverOnCursorMove(win_id, opened) abort
     " To avoid closing floating window immediately, check the cursor
     " was really moved
     return
-  endif
+  endif
   autocmd! nvim_termdebug_close_hover
   let winnr = win_id2win(a:win_id)
   if winnr == 0
     return
-  endif
+  endif
   call nvim_win_close(a:win_id, v:true)
 endfunction
 
 function! s:CloseFloatingHoverOnBufEnter(win_id, bufnr) abort
     let winnr = win_id2win(a:win_id)
     if winnr == 0
-        " Float window was already closed
+        " Float window was already closed
         autocmd! nvim_termdebug_close_hover
         return
     endif
@@ -616,8 +616,8 @@ function! s:CloseFloatingHoverOnBufEnter(win_id, bufnr) abort
     if bufnr('%') == a:bufnr
         " When current buffer opened hover window, it's not another buffer. Skipped
         return
-    endif
+    endif
-    autocmd! plugin-LC-neovim-close-hover
+    autocmd! nvim_termdebug_close_hover
     call nvim_win_close(a:win_id, v:true)
   endfunction
 
@@ -630,18 +630,12 @@ function! s:OpenHoverPreview(lines, filetype) abort
     let bufnr = bufnr('%')
 
     let use_float_win = s:ShouldUseFloatWindow()
-    if use_float_win
-        let bufname = nvim_create_buf(v:false, v:true)
     if use_float_win
       let pos = getpos('.')
-
+
       " Calculate width and height
       let width = 0
       for index in range(len(lines))
-            let line = lines[index]
-            if line !=# ''
-                " Give a left margin
-                let line = ' ' . line
         let line = lines[index]
         let lw = strdisplaywidth(line)
         if lw > width
@@ -649,9 +643,6 @@ function! s:OpenHoverPreview(lines, filetype) abort
         endif
         let lines[index] = line
       endfor
-
-        " Give margin
-        let width += 1
 
       let height = len(lines)
 
@@ -674,7 +665,11 @@ function! s:OpenHoverPreview(lines, filetype) abort
         let hor = 'E'
         let col = 1
       endif
-
+
+      let buf = nvim_create_buf(v:false, v:true)
+      call nvim_buf_set_lines(buf, 0, -1, v:true, lines)
+      " using v:true for second argument of nvim_open_win make the floating
+      " window disappear
       let float_win_id = nvim_open_win(buf, v:false, {
             \   'relative': 'cursor',
             \   'anchor': vert . hor,
@@ -682,23 +677,26 @@ function! s:OpenHoverPreview(lines, filetype) abort
             \   'col': col,
             \   'width': width,
             \   'height': height,
-        \ })
+            \ })
-
+      call nvim_win_set_option(float_win_id, 'relativenumber', v:false)
-        execute 'noswapfile edit!' bufname
+      call nvim_win_set_option(float_win_id, 'signcolumn', 'no')
-
+      call nvim_win_set_option(float_win_id, 'signcolumn', 'no')
-        setlocal winhl=Normal:CursorLine
+      if a:filetype isnot v:null
-    else
         call nvim_win_set_option(float_win_id, 'filetype', a:filetype)
       endif
-
+
+      call nvim_buf_set_option(buf, 'modified', v:false)
+      call nvim_buf_set_option(buf, 'modifiable', v:false)
 
       " Unlike preview window, :pclose does not close window. Instead, close
       " hover window automatically when cursor is moved.
       let call_after_move = printf('<SID>CloseFloatingHoverOnCursorMove(%d, %s)', float_win_id, string(pos))
-        let call_on_bufenter = printf('<SID>CloseFloatingHoverOnBufEnter(%d, %d)', float_win_id, bufnr)
+      let call_on_bufenter = printf('<SID>CloseFloatingHoverOnBufEnter(%d, %d)', float_win_id, bufnr)
       augroup nvim_termdebug_close_hover
         execute 'autocmd CursorMoved,CursorMovedI,InsertEnter <buffer> call ' . call_after_move
         execute 'autocmd BufEnter * call ' . call_on_bufenter
+      augroup END
+    else
       echomsg a:lines[0]
     endif
 endfunction