Implemented Slider (still have some positioning issues to resolve but it works), added files for ListBox, Radio, and EditBox, implemented dragging support in GuiState.

cyberarm_engine.gemspec

@@ -29,6 +29,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "gosu", "~> 0.15.0"
+  spec.add_dependency "gosu_more_drawables", "~> 0.3"
 
   spec.add_development_dependency "bundler", "~> 1.16"
   spec.add_development_dependency "rake", "~> 13.0"

lib/cyberarm_engine.rb

@@ -5,6 +5,7 @@ rescue LoadError => e
   require "gosu"
 end
 require "json"
+require "gosu_more_drawables"
 
 require_relative "cyberarm_engine/version"
 
@@ -35,15 +36,19 @@ require_relative "cyberarm_engine/ui/style"
 require_relative "cyberarm_engine/ui/border_canvas"
 require_relative "cyberarm_engine/ui/element"
 require_relative "cyberarm_engine/ui/elements/label"
+require_relative "cyberarm_engine/ui/elements/list_box"
 require_relative "cyberarm_engine/ui/elements/button"
 require_relative "cyberarm_engine/ui/elements/toggle_button"
 require_relative "cyberarm_engine/ui/elements/edit_line"
+require_relative "cyberarm_engine/ui/elements/edit_box"
 require_relative "cyberarm_engine/ui/elements/image"
 require_relative "cyberarm_engine/ui/elements/container"
 require_relative "cyberarm_engine/ui/elements/flow"
 require_relative "cyberarm_engine/ui/elements/stack"
 require_relative "cyberarm_engine/ui/elements/check_box"
+require_relative "cyberarm_engine/ui/elements/radio"
 require_relative "cyberarm_engine/ui/elements/progress"
+require_relative "cyberarm_engine/ui/elements/slider"
 
 require_relative "cyberarm_engine/game_state"
 require_relative "cyberarm_engine/ui/gui_state"

lib/cyberarm_engine/ui/dsl.rb

@@ -57,6 +57,13 @@ module CyberarmEngine
       add_element( Element::Progress.new(options, block) )
     end
 
+    def slider(options = {}, &block)
+      options[:parent] = element_parent
+      options[:theme] = current_theme
+
+      add_element( Element::Slider.new(options, block) )
+    end
+
     def background(color = Gosu::Color::NONE)
       element_parent.style.background = color
     end

lib/cyberarm_engine/ui/element.rb

@@ -4,7 +4,7 @@ module CyberarmEngine
     include Event
     include Common
 
-    attr_accessor :x, :y, :z, :enabled
+    attr_accessor :x, :y, :z, :enabled, :tip
     attr_reader :parent, :options, :style, :event_handler, :background_canvas, :border_canvas
 
     def initialize(options = {}, block = nil)
@@ -16,6 +16,7 @@ module CyberarmEngine
       @focus   = false
       @enabled = true
       @visible = true
+      @tip = @options[:tip] ? @options[:tip] : ""
 
       @style = Style.new(options)
 
@@ -152,6 +153,10 @@ module CyberarmEngine
     def button_up(id)
     end
 
+    def draggable?(button)
+      false
+    end
+
     def render
     end
 

lib/cyberarm_engine/ui/elements/container.rb

@@ -93,8 +93,8 @@ module CyberarmEngine
 
         # Move child to parent after positioning
         @children.each do |child|
-          child.x += @x - style.margin_left
+          child.x += (@x + @style.border_thickness_left) - style.margin_left
-          child.y += @y - style.margin_top
+          child.y += (@y + @style.border_thickness_top) - style.margin_top
 
           child.stylize
           child.recalculate

lib/cyberarm_engine/ui/elements/edit_box.rb

@@ -0,0 +1,6 @@
+module CyberarmEngine
+  class Element
+    class EditBox < Element
+    end
+  end
+end

lib/cyberarm_engine/ui/elements/list_box.rb

@@ -0,0 +1,6 @@
+module CyberarmEngine
+  class Element
+    class ListBox < Element
+    end
+  end
+end

lib/cyberarm_engine/ui/elements/radio.rb

@@ -0,0 +1,6 @@
+module CyberarmEngine
+  class Element
+    class Radio < Element
+    end
+  end
+end

lib/cyberarm_engine/ui/elements/slider.rb

@@ -0,0 +1,101 @@
+module CyberarmEngine
+  class Element
+    class Slider < Container
+      class Handle < Button
+        def initialize(*args)
+          super(*args)
+
+          event(:begin_drag)
+          event(:drag_update)
+          event(:end_drag)
+        end
+
+        def draggable?(button)
+          button == :left
+        end
+
+        def begin_drag(sender, x, y, button)
+          @drag_start_pos = Vector.new(x, y)
+
+          :handled
+        end
+
+        def drag_update(sender, x, y, button)
+          # ratio = (@parent.x - (x - @drag_start_pos.x) / (@parent.width - width) * -1).clamp(0.0, 1.0)
+          # @x = @parent.x + width + ((@parent.width * ratio) - width * 2)
+          @parent.handle_dragged_to(x, y)
+
+          :handled
+        end
+
+        def end_drag(sender, x, y, button)
+          @drag_start_pos = nil
+
+          :handled
+        end
+      end
+
+      attr_reader :range, :step_size
+      def initialize(options = {}, block = nil)
+        super(options, block)
+
+        @range     = @options[:range] ? @options[:range] : 0.0..1.0
+        @step_size = @options[:step] ? @options[:step] : 0.1
+        @value     = @options[:value] ? @options[:value] : 0.5
+
+        @handle = Handle.new("", parent: self, width: 8) { close }
+        self.add(@handle)
+      end
+
+      def recalculate
+        _width = dimensional_size(@style.width, :width)
+        _height= dimensional_size(@style.height,:height)
+
+        @width  = _width
+        @height = _height
+
+        @handle.x = @x + @style.border_thickness_left + @style.padding_left
+        @handle.y = @y + @style.border_thickness_top + @style.padding_left
+        @handle.recalculate
+
+        update_background
+      end
+
+      def draw
+        super
+
+        @handle.draw
+      end
+
+      def update
+        super
+
+        @tip = value.to_s
+        @handle.tip = @tip
+      end
+
+      def holding_left_mouse_button(sender, x, y)
+        handle_dragged_to(x, y)
+      end
+
+      def handle_dragged_to(x, y)
+        @ratio = ((x - @handle.width) - @x) / content_width
+
+        # p [@ratio, @value]
+        self.value = @ratio.clamp(0.0, 1.0) * (@range.max - @range.min) + @range.min
+
+      end
+
+      def value
+        @value
+      end
+
+      def value=(n)
+        @value = n
+        @handle.x = @x + @style.padding_left + @style.border_thickness_left +
+                    (content_width * (@value - @range.min) / (@range.max - @range.min).to_f)
+        @handle.recalculate
+      end
+    end
+  end
+end

lib/cyberarm_engine/ui/elements/toggle_button.rb

@@ -43,8 +43,10 @@ module CyberarmEngine
 
         _width = dimensional_size(@style.width, :width)
         _height= dimensional_size(@style.height,:height)
+
         @width  = _width  ? _width  : @text.textobject.text_width(@options[:checkmark])
         @height = _height ? _height : @text.height
+
         update_background
       end
 

lib/cyberarm_engine/ui/gui_state.rb

@@ -22,6 +22,11 @@ module CyberarmEngine
       @mouse_down_on = {}
       @mouse_down_position = {}
       @pending_recalculate_request = false
+
+      @tip = CyberarmEngine::Text.new("", size: 22, z: Float::INFINITY)
+      @menu = nil
+      @min_drag_distance = 0
+      @mouse_pos = Vector.new
     end
 
     # throws :blur event to focused element and sets GuiState focused element
@@ -35,6 +40,15 @@ module CyberarmEngine
       @focus
     end
 
+    def draw
+      super
+
+      if @tip.text.length > 0
+        Gosu.draw_rect(@tip.x - 2, @tip.y - 2, @tip.width + 4, @tip.height + 4, 0xff020202, Float::INFINITY)
+        @tip.draw
+      end
+    end
+
     def update
       if @pending_recalculate_request
         @root_container.recalculate
@@ -56,12 +70,30 @@ module CyberarmEngine
       redirect_holding_mouse_button(:middle) if @mouse_over && Gosu.button_down?(Gosu::MsMiddle)
       redirect_holding_mouse_button(:right) if @mouse_over && Gosu.button_down?(Gosu::MsRight)
 
+      if Vector.new(window.mouse_x, window.mouse_y) == @last_mouse_pos
+        if @mouse_over && (Gosu.milliseconds - @mouse_moved_at) > tool_tip_delay
+          @tip.text = @mouse_over.tip if @mouse_over
+          @tip.x, @tip.y = window.mouse_x - @tip.width / 2, window.mouse_y - @tip.height - 4
+        else
+          @tip.text = ""
+        end
+      else
+        @mouse_moved_at = Gosu.milliseconds
+      end
+
+      @last_mouse_pos = Vector.new(window.mouse_x, window.mouse_y)
+      @mouse_pos = @last_mouse_pos.clone
+
       request_recalculate if @active_width != window.width || @active_height != window.height
 
       @active_width  = window.width
       @active_height = window.height
     end
 
+    def tool_tip_delay
+      500 # ms
+    end
+
     def button_down(id)
       super
 
@@ -115,13 +147,27 @@ module CyberarmEngine
         @mouse_over.publish(:"clicked_#{button}_mouse_button", window.mouse_x, window.mouse_y) if @mouse_over == @mouse_down_on[button]
       end
 
+      if @dragging_element
+        @dragging_element.publish(:end_drag, window.mouse_x, window.mouse_y, button)
+        @dragging_element = nil
+      end
+
       @mouse_down_position[button] = nil
       @mouse_down_on[button]       = nil
     end
 
     def redirect_holding_mouse_button(button)
+      if !@dragging_element && @mouse_down_on[button] && @mouse_down_on[button].draggable?(button) && @mouse_pos.distance(@mouse_down_position[button]) > @min_drag_distance
+        @dragging_element = @mouse_down_on[button]
+        @dragging_element.publish(:"begin_drag", window.mouse_x, window.mouse_y, button)
+      end
+
+      if @dragging_element
+        @dragging_element.publish(:"drag_update", window.mouse_x, window.mouse_y, button) if @dragging_element
+      else
         @mouse_over.publish(:"holding_#{button}_mouse_button", window.mouse_x, window.mouse_y) if @mouse_over
       end
+    end
 
     def redirect_mouse_wheel(button)
       @mouse_over.publish(:"mouse_wheel_#{button}", window.mouse_x, window.mouse_y) if @mouse_over

lib/cyberarm_engine/ui/theme.rb

@@ -114,6 +114,15 @@ module CyberarmEngine
         fraction_background: [0xffc75e61, 0xffe26623],
         border_thickness: 1,
         border_color: [0xffd59674, 0xffff8746]
+      },
+
+      Slider: { # < Element
+        width: 250,
+        height: 36,
+        background: 0xff111111,
+        fraction_background: [0xffc75e61, 0xffe26623],
+        border_thickness: 1,
+        border_color: [0xffd59674, 0xffff8746]
       }
     }.freeze
   end