Add show_suggestions to CommandView options

data/core/commandview.lua

@@ -26,6 +26,7 @@ local default_state = {
   suggest = noop,
   cancel = noop,
   validate = function() return true end,
+  show_suggestions = true,
   typeahead = true,
   wrap = true,
 }
@@ -36,7 +37,6 @@ function CommandView:new()
   self.suggestion_idx = 1
   self.suggestions = {}
   self.suggestions_height = 0
-  self.show_suggestions = true
   self.last_change_id = 0
   self.last_text = ""
   self.gutter_width = 0
@@ -50,7 +50,8 @@ end
 
 
 function CommandView:set_hidden_suggestions()
-  self.show_suggestions = false
+  core.warn("Using deprecated function CommandView:set_hidden_suggestions")
+  self.state.show_suggestions = false
 end
 
 
@@ -101,7 +102,7 @@ function CommandView:move_suggestion_idx(dir)
     end
   end
 
-  if self.show_suggestions then
+  if self.state.show_suggestions then
     local n = self.suggestion_idx + dir
     self.suggestion_idx = overflow_suggestion_idx(n, #self.suggestions)
     self:complete()
@@ -162,6 +163,12 @@ function CommandView:enter(text, ...)
     }
   end
 
+  -- Support deprecated CommandView:set_hidden_suggestions
+  -- Remove this when set_hidden_suggestions is not supported anymore
+  if options.show_suggestions == nil then
+    options.show_suggestions = self.state.show_suggestions
+  end
+
   self.state = common.merge(default_state, options)
 
   core.set_active_view(self)
@@ -180,7 +187,6 @@ function CommandView:exit(submitted, inexplicit)
   self.doc:reset()
   self.suggestions = {}
   if not submitted then cancel(not inexplicit) end
-  self.show_suggestions = true
   self.save_suggestion = nil
   self.last_text = ""
 end
@@ -246,7 +252,7 @@ function CommandView:update()
 
   -- update suggestions box height
   local lh = self:get_suggestion_line_height()
-  local dest = self.show_suggestions and math.min(#self.suggestions, max_suggestions) * lh or 0
+  local dest = self.state.show_suggestions and math.min(#self.suggestions, max_suggestions) * lh or 0
   self:move_towards("suggestions_height", dest, nil, "commandview")
 
   -- update suggestion cursor offset
@@ -316,7 +322,7 @@ end
 
 function CommandView:draw()
   CommandView.super.draw(self)
-  if self.show_suggestions then
+  if self.state.show_suggestions then
     core.root_view:defer_draw(draw_suggestions_box, self)
   end
 end