Implement message sending

lib/events.rb

@@ -7,6 +7,8 @@ module Events
   end
 
   module Text
+    class Enter; end
+
     class Left;      end
     class Right;     end
     class Up;        end

lib/main.rb

@@ -252,6 +252,38 @@ private
     ).freeze
   end
 
+  def on_new_message_enter
+    return if state[:active_friend_index].nil?
+
+    friend_number = state[:friends].keys[state[:active_friend_index]]
+
+    return if friend_number.nil?
+
+    text = state[:friends][friend_number][:new_message][:text].strip.freeze
+
+    return if text.empty?
+
+    @tox_client.friend(friend_number).send_message text
+
+    @state = state.merge(
+      friends: state[:friends].merge(
+        friend_number => state[:friends][friend_number].merge(
+          new_message: state[:friends][friend_number][:new_message].merge(
+            text: '',
+            cursor_pos: 0,
+          ),
+
+          history: (state[:friends][friend_number][:history] + [
+            out:  true,
+            time: Time.now.utc.freeze,
+            name: @tox_client.name.freeze,
+            text: text,
+          ]).freeze,
+        ).freeze,
+      ).freeze,
+    ).freeze
+  end
+
   def on_new_message_putc(char)
     return if state[:active_friend_index].nil?
 
@@ -455,6 +487,8 @@ private
       on_menu_up:   method(:on_menu_up),
       on_menu_down: method(:on_menu_down),
 
+      on_new_message_enter: method(:on_new_message_enter),
+
       on_new_message_putc: method(:on_new_message_putc),
 
       on_new_message_left:  method(:on_new_message_left),

lib/screen.rb

@@ -70,6 +70,9 @@ private
     when Curses::Key::SRIGHT
       Events::Window::Right.new
 
+    when "\n".ord
+      Events::Text::Enter.new
+
     when Curses::Key::LEFT
       Events::Text::Left.new
     when Curses::Key::RIGHT

lib/widgets/chat.rb

@@ -25,6 +25,8 @@ module Widgets
       ).freeze
 
       @message.props = props[:new_message].merge(
+        on_enter: props[:on_new_message_enter],
+
         on_putc: props[:on_new_message_putc],
 
         on_left:  props[:on_new_message_left],

lib/widgets/main.rb

@@ -22,6 +22,8 @@ module Widgets
       ).freeze
 
       @chat.props = props[:chat].merge(
+        on_new_message_enter: props[:on_new_message_enter],
+
         on_new_message_putc: props[:on_new_message_putc],
 
         on_new_message_left:  props[:on_new_message_left],

lib/widgets/text.rb

@@ -4,6 +4,9 @@ module Widgets
   class Text < Base
     def trigger(event)
       case event
+      when Events::Text::Enter
+        props[:on_enter].call
+
       when Events::Text::Putc
         props[:on_putc].call event.char