Added Window#input_hijack to allow objects to get exclusive access to button_down/up callbacks, improved Chat widget

lib/hud/widget.rb

@@ -57,6 +57,20 @@ class IMICFPS
 
       def update
       end
+
+      def button_down(id)
+      end
+
+      def button_up(id)
+      end
+
+      def hijack_input!
+        $window.input_hijack = self
+      end
+
+      def release_input!
+        $window.input_hijack = nil
+      end
     end
   end
 end

lib/hud/widgets/chat.rb

@@ -4,41 +4,93 @@ class IMICFPS
   class HUD
     class ChatWidget < HUD::Widget
       def setup
+        @deliver_to_text = Text.new("", size: 28, font: BOLD_SANS_FONT)
         @text = Text.new("", size: 28, font: SANS_FONT)
+
+        @text_input = nil
         @background = Gosu::Color.new(0x88c64600)
+        @selection_color = Gosu::Color.new(0x88222222)
+        @width = @options[:width] || 400
+
+        @delivery_options = [:all, :team, :squad]
       end
 
       def draw
-        return unless window.text_input
+        return unless @text_input
 
         Gosu.draw_rect(
-          @text.x - Widget.horizontal_padding, @text.y - Widget.horizontal_padding,
-          @text.width + Widget.vertical_padding * 2, @text.height + Widget.vertical_padding * 2,
+          Widget.horizontal_margin, $window.height / 2 - (@text.height / 2 + Widget.horizontal_padding),
+          @width - Widget.horizontal_padding * 2, @text.height + Widget.vertical_padding * 2,
           @background
         )
 
-        @text.draw
+        @deliver_to_text.draw
+
+        clip_width = @deliver_to_text.width + Widget.horizontal_padding * 3 + Widget.horizontal_margin
+        Gosu.clip_to(@text.x, @text.y, @width - clip_width, @text.height) do
+          x = Widget.horizontal_margin + Widget.horizontal_padding + @deliver_to_text.width
+
+          cursor_x = x + @text.width(@text_input.text[0...@text_input.caret_pos])
+          selection_x = x + @text.width(@text_input.text[0...@text_input.selection_start])
+          selection_width = cursor_x - selection_x
+          cursor_thickness = 2
+
+          Gosu.draw_rect(selection_x, @text.y, selection_width, @text.height, @selection_color)
+          Gosu.draw_rect(cursor_x, @text.y, cursor_thickness, @text.height, Gosu::Color::WHITE)
+          @text.draw
+        end
       end
 
       def update
-        # NOTE: Account for Y in QWERTZ layout
-        text = window.text_input&.text
+        @deliver_to_text.text = "#{@deliver_to}: "
+        @deliver_to_text.x = Widget.horizontal_margin + Widget.horizontal_padding
+        @deliver_to_text.y = $window.height / 2 - (@text.height / 2)
 
-        if window.text_input.nil? && (Gosu.button_down?(Gosu::KbT) || Gosu.button_down?(Gosu::KbY) || Gosu.button_down?(Gosu::KbU))
-          window.text_input = Gosu::TextInput.new
+        @text.text = @text_input&.text.to_s
+        @text.x = Widget.horizontal_margin + Widget.horizontal_padding + @deliver_to_text.width
+        @text.y = $window.height / 2 - (@text.height / 2)
+      end
+
+      def button_down(id)
+        # TODO: Use InputMapper keymap to function
+        # NOTE: Account for Y in QWERTZ layout
+        case id
+        when Gosu::KB_T, Gosu::KB_Y, Gosu::KB_U
+          return if @text_input
+
+          hijack_input!
+
+          @text_input = window.text_input = Gosu::TextInput.new
 
           @deliver_to = :all if Gosu.button_down?(Gosu::KbT)
           @deliver_to = :team if Gosu.button_down?(Gosu::KbY)
           @deliver_to = :squad if Gosu.button_down?(Gosu::KbU)
-        end
+        when Gosu::KB_TAB
+          return unless @text_input
 
-        if window.text_input && (Gosu.button_down?(Gosu::KbEnter) || Gosu.button_down?(Gosu::KbReturn))
-          window.text_input = nil
+          cycle_deliver_to
         end
+      end
 
-        @text.text = text.to_s
-        @text.x = window.width / 2 - (Widget.horizontal_margin + @text.width / 2 + Widget.horizontal_padding)
-        @text.y = window.height - (Widget.vertical_margin + @text.height + Widget.vertical_padding)
+      def button_up(id)
+        return unless @text_input
+
+        case id
+        when Gosu::KB_ENTER, Gosu::KB_RETURN
+          release_input!
+
+          # TODO: Deliver message to server
+
+          @text_input = window.text_input = nil
+        when Gosu::KB_ESCAPE
+          release_input!
+          @text_input = window.text_input = nil
+        end
+      end
+
+      def cycle_deliver_to
+        i = @delivery_options.index(@deliver_to)
+        @deliver_to = @delivery_options[(i + 1) % (@delivery_options.size)]
       end
     end
   end