Handle new message putc

lib/main.rb

@@ -69,6 +69,8 @@ private
       on_menu_up:   method(:on_menu_up),
       on_menu_down: method(:on_menu_down),
 
+      on_new_message_putc: method(:on_new_message_putc),
+
       sidebar: {
         x: 0,
         y: 0,
@@ -175,7 +177,7 @@ private
 
   def on_window_right
     @state = state.merge(
-      focus: :sidebar,
+      focus: :chat,
 
       sidebar: state[:sidebar].merge(
         focused: true,
@@ -245,4 +247,18 @@ private
       ).freeze,
     ).freeze
   end
+
+  def on_new_message_putc(char)
+    text       = state[:chat][:new_message][:text]
+    cursor_pos = state[:chat][:new_message][:cursor_pos]
+
+    @state = state.merge(
+      chat: state[:chat].merge(
+        new_message: state[:chat][:new_message].merge(
+          text: "#{text[0...cursor_pos]}#{char}#{text[cursor_pos..-1]}",
+          cursor_pos: cursor_pos + 1,
+        ).freeze,
+      ).freeze,
+    ).freeze
+  end
 end

lib/widgets/chat.rb

@@ -12,9 +12,17 @@ module Widgets
 
     def props=(_value)
       super
+
       @info.props    = props[:info]
       @history.props = props[:history]
-      @message.props = props[:new_message]
+
+      @message.props = props[:new_message].merge(
+        on_putc: props[:on_new_message_putc],
+      ).freeze
+    end
+
+    def trigger(event)
+      focus&.trigger event
     end
 
   private

lib/widgets/main.rb

@@ -17,7 +17,9 @@ module Widgets
         on_menu_down: props[:on_menu_down],
       ).freeze
 
-      @chat.props = props[:chat]
+      @chat.props = props[:chat].merge(
+        on_new_message_putc: props[:on_new_message_putc],
+      ).freeze
     end
 
     def trigger(event)
@@ -27,7 +29,7 @@ module Widgets
       when Events::Window::Right
         props[:on_window_right].call
       else
-        focus.trigger event
+        focus&.trigger event
       end
     end
 

lib/widgets/text.rb

@@ -2,6 +2,13 @@
 
 module Widgets
   class Text < Base
+    def trigger(event)
+      case event
+      when Events::Text::Putc
+        props[:on_putc].call event.char
+      end
+    end
+
   private
 
     def draw