Add a MenuDoc style for info box, that will place it next to the menu

src/client.cc

@@ -144,7 +144,7 @@ void Client::check_buffer_fs_timestamp()
             "reload '" + buffer.display_name() + "' ?",
             "'" + buffer.display_name() + "' was modified externally\n"
             "press r or y to reload, k or n to keep",
-            pos, get_face("Information"), MenuStyle::Prompt);
+            pos, get_face("Information"), InfoStyle::Prompt);
 
         m_input_handler.on_next_key(KeymapMode::None,
                                    [this, filename](Key key, Context& context) {

src/commands.cc

@@ -1234,7 +1234,7 @@ const CommandDesc info_cmd = {
         context.ui().info_hide();
         if (parser.positional_count() > 0)
         {
-            MenuStyle style = MenuStyle::Prompt;
+            InfoStyle style = InfoStyle::Prompt;
             CharCoord pos = context.ui().dimensions();
             pos.column -= 1;
             if (parser.has_option("anchor"))
@@ -1247,7 +1247,7 @@ const CommandDesc info_cmd = {
                 ByteCoord coord{str_to_int(anchor.substr(0, dotb))-1,
                                 str_to_int(anchor.substr(dotb+1))-1};
                 pos = context.window().display_position(coord);
-                style = MenuStyle::Inline;
+                style = InfoStyle::Inline;
             }
             const String& title = parser.has_option("title") ? parser.option_value("title") : "";
             context.ui().info_show(title, parser[0], pos, get_face("Information"), style);

src/input_handler.cc

@@ -118,7 +118,7 @@ public:
                     Face col = get_face("Information");
                     CharCoord pos = context().window().dimensions();
                     pos.column -= 1;
-                    context().ui().info_show(key_to_str(key), it->second.docstring, pos, col, MenuStyle::Prompt);
+                    context().ui().info_show(key_to_str(key), it->second.docstring, pos, col, InfoStyle::Prompt);
                 }
                 it->second.func(context(), m_count);
             }

src/insert_completer.cc

@@ -279,12 +279,8 @@ void InsertCompleter::select(int offset)
     {
         m_context.ui().menu_select(m_current_candidate);
         if (not candidate.second.empty())
-        {
+            m_context.ui().info_show(candidate.first, candidate.second, CharCoord{},
-            CharCoord pos = m_context.window().dimensions();
+                                     get_face("Information"), InfoStyle::MenuDoc);
-            pos.column -= 1;
-            m_context.ui().info_show(candidate.first, candidate.second, pos,
-                                     get_face("Information"), MenuStyle::Prompt);
-        }
     } 
     // when we select a match, remove non displayed matches from the candidates
     // which are considered as invalid with the new completion timestamp

src/ncurses.cc

@@ -767,22 +767,26 @@ static String make_info_box(StringView title, StringView message,
 }
 
 void NCursesUI::info_show(StringView title, StringView content,
-                          CharCoord anchor, Face face, MenuStyle style)
+                          CharCoord anchor, Face face, InfoStyle style)
 {
     if (m_info_win)
         delwin(m_info_win);
 
     StringView info_box = content;
     String fancy_info_box;
-    if (style == MenuStyle::Prompt)
+    if (style == InfoStyle::Prompt)
     {
         fancy_info_box = make_info_box(title, content, m_dimensions.column);
         info_box = fancy_info_box;
     }
 
     CharCoord size = compute_needed_size(info_box);
-
+    CharCoord pos;
-    CharCoord pos = compute_pos(anchor, size, m_menu_win);
+    if (style == InfoStyle::MenuDoc and m_menu_win and m_menu_columns == 1)
+        pos = window_pos(m_menu_win) +
+             CharCoord{0_line, window_size(m_menu_win).column};
+    else
+        pos = compute_pos(anchor, size, m_menu_win);
 
     m_info_win = (NCursesWin*)newwin((int)size.line, (int)size.column,
                                      (int)pos.line,  (int)pos.column);

src/ncurses.hh

@@ -34,7 +34,7 @@ public:
 
     void info_show(StringView title, StringView content,
                    CharCoord anchor, Face face,
-                   MenuStyle style) override;
+                   InfoStyle style) override;
     void info_hide() override;
 
     void refresh() override;

src/normal.cc

@@ -116,7 +116,7 @@ bool show_auto_info_ifn(StringView title, StringView info,
     Face face = get_face("Information");
     CharCoord pos = context.window().dimensions();
     pos.column -= 1;
-    context.ui().info_show(title, info, pos, face, MenuStyle::Prompt);
+    context.ui().info_show(title, info, pos, face, InfoStyle::Prompt);
     return true;
 }
 
@@ -366,7 +366,7 @@ void command(Context& context, int)
                     CharCoord pos = context.window().dimensions();
                     pos.column -= 1;
                     if (not info.first.empty() and not info.second.empty())
-                        context.ui().info_show(info.first, info.second, pos , col, MenuStyle::Prompt);
+                        context.ui().info_show(info.first, info.second, pos , col, InfoStyle::Prompt);
                 }
             }
             if (event == PromptEvent::Validate)
@@ -569,7 +569,7 @@ void regex_prompt(Context& context, const String prompt, T func)
                         Face face = get_face("Information");
                         CharCoord pos = context.window().dimensions();
                         pos.column -= 1;
-                        context.ui().info_show("regex error", err.what(), pos, face, MenuStyle::Prompt);
+                        context.ui().info_show("regex error", err.what(), pos, face, InfoStyle::Prompt);
                     }
                 }
             }

src/remote.cc

@@ -256,7 +256,7 @@ public:
 
     void info_show(StringView title, StringView content,
                    CharCoord anchor, Face face,
-                   MenuStyle style) override;
+                   InfoStyle style) override;
     void info_hide() override;
 
     void draw(const DisplayBuffer& display_buffer,
@@ -323,7 +323,7 @@ void RemoteUI::menu_hide()
 
 void RemoteUI::info_show(StringView title, StringView content,
                          CharCoord anchor, Face face,
-                         MenuStyle style)
+                         InfoStyle style)
 {
     Message msg(m_socket_watcher.fd());
     msg.write(RemoteUIMsg::InfoShow);
@@ -490,7 +490,7 @@ void RemoteClient::process_next_message()
         auto content = read<String>(socket);
         auto anchor = read<CharCoord>(socket);
         auto face = read<Face>(socket);
-        auto style = read<MenuStyle>(socket);
+        auto style = read<InfoStyle>(socket);
         m_ui->info_show(title, content, anchor, face, style);
         break;
     }

src/user_interface.hh

@@ -20,6 +20,13 @@ enum class MenuStyle
     Inline
 };
 
+enum class InfoStyle
+{
+    Prompt,
+    Inline,
+    MenuDoc
+};
+
 using InputCallback = std::function<void()>;
 
 class UserInterface : public SafeCountable
@@ -35,7 +42,7 @@ public:
 
     virtual void info_show(StringView title, StringView content,
                            CharCoord anchor, Face face,
-                           MenuStyle style) = 0;
+                           InfoStyle style) = 0;
     virtual void info_hide() = 0;
 
     virtual void draw(const DisplayBuffer& display_buffer,