slider.rb in cyberarm_engine-0.19.1

- old
+ new
@@ -1,104 +1,104 @@
-module CyberarmEngine
-  class Element
-    class Slider < Container
-      class Handle < Button
-        def initialize(*args)
-          super(*args)
-
-          event(:begin_drag)
-          event(:drag_update)
-          event(:end_drag)
-
-          subscribe :begin_drag do |_sender, x, y, _button|
-            @drag_start_pos = Vector.new(x, y)
-
-            :handled
-          end
-
-          subscribe :drag_update do |_sender, x, y, _button|
-            @parent.handle_dragged_to(x, y)
-
-            :handled
-          end
-
-          subscribe :end_drag do
-            @drag_start_pos = nil
-
-            :handled
-          end
-        end
-
-        def draggable?(button)
-          button == :left
-        end
-      end
-
-      attr_reader :range, :step_size, :value
-
-      def initialize(options = {}, block = nil)
-        super(options, block)
-
-        @range     = @options[:range] || (0.0..1.0)
-        @step_size = @options[:step] || 0.1
-        @value     = @options[:value] || (@range.first + @range.last) / 2
-
-        @handle = Handle.new("", parent: self, width: 8, height: 1.0) { close }
-        add(@handle)
-      end
-
-      def recalculate
-        _width = dimensional_size(@style.width, :width)
-        _height = dimensional_size(@style.height, :height)
-
-        @width  = _width
-        @height = _height
-
-        position_handle
-        @handle.recalculate
-        @handle.update_background
-
-        update_background
-      end
-
-      def position_handle
-        @handle.x = @x + @style.padding_left + @style.border_thickness_left +
-                    ((content_width - @handle.outer_width) * (@value - @range.min) / (@range.max - @range.min).to_f)
-
-        @handle.y = @y + @style.border_thickness_top + @style.padding_top
-      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)
-
-        :handled
-      end
-
-      def handle_dragged_to(x, _y)
-        @ratio = ((x - @handle.width / 2) - @x) / (content_width - @handle.outer_width)
-
-        self.value = @ratio.clamp(0.0, 1.0) * (@range.max - @range.min) + @range.min
-      end
-
-      def value=(n)
-        @value = n
-        position_handle
-        @handle.recalculate
-
-        publish(:changed, @value)
-      end
-    end
-  end
-end
+module CyberarmEngine
+  class Element
+    class Slider < Container
+      class Handle < Button
+        def initialize(*args)
+          super(*args)
+
+          event(:begin_drag)
+          event(:drag_update)
+          event(:end_drag)
+
+          subscribe :begin_drag do |_sender, x, y, _button|
+            @drag_start_pos = Vector.new(x, y)
+
+            :handled
+          end
+
+          subscribe :drag_update do |_sender, x, y, _button|
+            @parent.handle_dragged_to(x, y)
+
+            :handled
+          end
+
+          subscribe :end_drag do
+            @drag_start_pos = nil
+
+            :handled
+          end
+        end
+
+        def draggable?(button)
+          button == :left
+        end
+      end
+
+      attr_reader :range, :step_size, :value
+
+      def initialize(options = {}, block = nil)
+        super(options, block)
+
+        @range     = @options[:range] || (0.0..1.0)
+        @step_size = @options[:step] || 0.1
+        @value     = @options[:value] || (@range.first + @range.last) / 2
+
+        @handle = Handle.new("", parent: self, width: 8, height: 1.0) { close }
+        add(@handle)
+      end
+
+      def recalculate
+        _width = dimensional_size(@style.width, :width)
+        _height = dimensional_size(@style.height, :height)
+
+        @width  = _width
+        @height = _height
+
+        position_handle
+        @handle.recalculate
+        @handle.update_background
+
+        update_background
+      end
+
+      def position_handle
+        @handle.x = @x + @style.padding_left + @style.border_thickness_left +
+                    ((content_width - @handle.outer_width) * (@value - @range.min) / (@range.max - @range.min).to_f)
+
+        @handle.y = @y + @style.border_thickness_top + @style.padding_top
+      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)
+
+        :handled
+      end
+
+      def handle_dragged_to(x, _y)
+        @ratio = ((x - @handle.width / 2) - @x) / (content_width - @handle.outer_width)
+
+        self.value = @ratio.clamp(0.0, 1.0) * (@range.max - @range.min) + @range.min
+      end
+
+      def value=(n)
+        @value = n
+        position_handle
+        @handle.recalculate
+
+        publish(:changed, @value)
+      end
+    end
+  end
+end