Added Console to replace magic debug keys, added version file

lib/ui/console.rb

@@ -0,0 +1,101 @@
+class IMICFPS
+  class Console
+    Z = 100_000
+    PADDING = 2
+    include CommonMethods
+
+    def initialize
+      @text_input = Gosu::TextInput.new
+
+      @input = Text.new("", x: 4, y: window.height / 4 * 3 - (PADDING * 2), z: Console::Z + 1)
+      @input.y -= @input.height
+
+      @history_height = window.height / 4 * 3 - (PADDING * 2 + @input.textobject.height)
+      @history = Text.new("=== #{IMICFPS::NAME} v#{IMICFPS::VERSION} (#{IMICFPS::RELEASE_NAME}) ===\n\n", x: 4, y: @history_height, z: Console::Z + 1)
+      update_history
+
+      @background_color = Gosu::Color.rgba(0, 0, 0, 200)
+      @foreground_color = Gosu::Color.rgba(100, 100, 100, 100)
+      @input_color      = Gosu::Color.rgba(100, 100, 100, 200)
+
+      @showing_cursor = false
+      @active_text_input = nil
+
+      @show_caret = true
+      @caret_last_change = Gosu.milliseconds
+      @caret_interval = 250
+      @caret_color = Gosu::Color::WHITE
+
+      @width  = window.width  / 4 * 3
+      @height = window.height / 4 * 3
+    end
+
+    def draw
+      # Background/Border
+      draw_rect(0, 0, @width, @height, @background_color, Console::Z)
+      # Foregound/History
+      draw_rect(PADDING, PADDING, @width - (PADDING * 2), @height - (PADDING * 2), @foreground_color, Console::Z)
+      # Text bar
+      draw_rect(2, @input.y, @width - (PADDING * 2), @input.height, @input_color, Console::Z)
+
+      @history.draw
+      @input.draw
+      # Caret
+      draw_rect(@input.x + caret_pos, @input.y, Console::PADDING, @input.height, @caret_color, Console::Z + 2) if @show_caret
+    end
+
+    def caret_pos
+      return 0 if @text_input.caret_pos == 0
+      @input.textobject.text_width(@text_input.text[0..@text_input.caret_pos-1])
+    end
+
+    def update
+      if Gosu.milliseconds - @caret_last_change >= @caret_interval
+        @caret_last_change = Gosu.milliseconds
+        @show_caret = !@show_caret
+      end
+
+      @input.text = @text_input.text
+    end
+
+    def button_down(id)
+      case id
+      when Gosu::KbEnter, Gosu::KbReturn
+        return unless @text_input.text.length > 0
+        @history.text += "\n> #{@text_input.text}"
+        update_history
+        @text_input.text = ""
+      when Gosu::KbBacktick
+        # Removed backtick character from input
+        if @text_input.text.size > 1
+          @text_input.text = @text_input.text[0..@text_input.text.size - 2]
+        else
+          @text_input.text = ""
+        end
+      end
+    end
+
+    def button_up(id)
+    end
+
+    def update_history
+      @history.y = @history_height - (@history.text.lines.count * (@history.textobject.height))
+    end
+
+    def focus
+      @active_text_input = window.text_input
+      window.text_input = @text_input
+
+      @showing_cursor = window.show_cursor
+      window.show_cursor = true
+
+      @show_caret = true
+      @caret_last_change = Gosu.milliseconds
+    end
+
+    def blur
+      window.text_input  = @active_text_input
+      window.show_cursor = @showing_cursor
+    end
+  end
+end