pass a color pair when displaying an information window

README.asciidoc

@@ -407,6 +407,7 @@ there are some builtins color aliases:
  * +LineNumbers+: colors used by the number_lines highlighter
  * +MenuForeground+: colors for the selected element in menus
  * +MenuBackground+: colors for the not selected elements in menus
+ * +Information+: colors the informations windows
 
 Shell expansion
 ---------------

src/color_registry.cc

@@ -48,6 +48,7 @@ ColorRegistry::ColorRegistry()
         { "LineNumbers", { Color::Black, Color::White } },
         { "MenuForeground", { Color::Blue, Color::Cyan } },
         { "MenuBackground", { Color::Cyan, Color::Blue } },
+        { "Information", { Color::Black, Color::Yellow } },
       }
 {}
 

src/commands.cc

@@ -684,7 +684,8 @@ void info(const CommandParameters& params, Context& context)
             pos = context.window().display_position(it);
         }
         const String& message = parser.has_option("assist") ? assist(parser[0], dimensions.column) : parser[0];
-        context.ui().info_show(message, pos, style);
+        ColorPair colors = ColorRegistry::instance()["Information"];
+        context.ui().info_show(message, pos, colors, style);
     }
 }
 
@@ -810,7 +811,7 @@ public:
     void menu_select(int) override {}
     void menu_hide() override {}
 
-    void info_show(const String&, const DisplayCoord&, MenuStyle) override {}
+    void info_show(const String&, DisplayCoord, ColorPair, MenuStyle) override {}
     void info_hide() override {}
 
     DisplayCoord dimensions() override { return { 0, 0 }; }

src/ncurses.cc

@@ -485,7 +485,8 @@ static DisplayCoord compute_pos(const DisplayCoord& anchor,
     return pos;
 }
 
-void NCursesUI::info_show(const String& content, const DisplayCoord& anchor, MenuStyle style)
+void NCursesUI::info_show(const String& content, DisplayCoord anchor,
+                          ColorPair colors, MenuStyle style)
 {
     assert(m_info_win == nullptr);
 
@@ -498,7 +499,7 @@ void NCursesUI::info_show(const String& content, const DisplayCoord& anchor, Men
     m_info_win = newwin((int)size.line, (int)size.column,
                         (int)pos.line,  (int)pos.column);
 
-    wbkgd(m_info_win, COLOR_PAIR(get_color_pair({ Color::Black, Color::Yellow })));
+    wbkgd(m_info_win, COLOR_PAIR(get_color_pair(colors)));
     wmove(m_info_win, 0, 0);
     addutf8str(m_info_win, Utf8Iterator(content.begin()),
                Utf8Iterator(content.end()));

src/ncurses.hh

@@ -32,8 +32,8 @@ public:
     void menu_select(int selected) override;
     void menu_hide() override;
 
-    void info_show(const String& content,
-                   const DisplayCoord& anchor, MenuStyle style) override;
+    void info_show(const String& content, DisplayCoord anchor,
+                   ColorPair colors, MenuStyle style) override;
     void info_hide() override;
 
     void set_input_callback(InputCallback callback) override;

src/remote.cc

@@ -194,8 +194,8 @@ public:
     void menu_select(int selected) override;
     void menu_hide() override;
 
-    void info_show(const String& content,
-                   const DisplayCoord& anchor, MenuStyle style) override;
+    void info_show(const String& content, DisplayCoord anchor,
+                   ColorPair colors, MenuStyle style) override;
     void info_hide() override;
 
     void draw(const DisplayBuffer& display_buffer,
@@ -260,13 +260,14 @@ void RemoteUI::menu_hide()
     msg.write(RemoteUIMsg::MenuHide);
 }
 
-void RemoteUI::info_show(const String& content,
-                         const DisplayCoord& anchor, MenuStyle style)
+void RemoteUI::info_show(const String& content, DisplayCoord anchor,
+                         ColorPair colors, MenuStyle style)
 {
     Message msg(m_socket_watcher.fd());
     msg.write(RemoteUIMsg::InfoShow);
     msg.write(content);
     msg.write(anchor);
+    msg.write(colors);
     msg.write(style);
 }
 
@@ -369,8 +370,9 @@ void RemoteClient::process_next_message()
     {
         auto choices = read<String>(socket);
         auto anchor = read<DisplayCoord>(socket);
+        auto colors = read<ColorPair>(socket);
         auto style = read<MenuStyle>(socket);
-        m_ui->info_show(choices, anchor, style);
+        m_ui->info_show(choices, anchor, colors, style);
         break;
     }
     case RemoteUIMsg::InfoHide:

src/user_interface.hh

@@ -34,8 +34,8 @@ public:
     virtual void menu_select(int selected) = 0;
     virtual void menu_hide() = 0;
 
-    virtual void info_show(const String& content,
-                           const DisplayCoord& anchor, MenuStyle style) = 0;
+    virtual void info_show(const String& content, DisplayCoord anchor,
+                           ColorPair colors, MenuStyle style) = 0;
     virtual void info_hide() = 0;
 
     virtual void draw(const DisplayBuffer& display_buffer,