Added initial support for pages, fixed image not accounting for margin refactor

lib/cyberarm_engine.rb

@@ -67,6 +67,7 @@ require_relative "cyberarm_engine/ui/elements/menu_item"
 
 require_relative "cyberarm_engine/game_state"
 require_relative "cyberarm_engine/ui/gui_state"
+require_relative "cyberarm_engine/ui/page"
 
 require_relative "cyberarm_engine/builtin/intro_state"
 

lib/cyberarm_engine/ui/dsl.rb

@@ -1,13 +1,13 @@
 module CyberarmEngine
   module DSL
     def every(milliseconds, &block)
-      element_parent.gui_state.add_timer(
+      element_parent.root.gui_state.add_timer(
         CyberarmEngine::Timer.new(milliseconds, true, &block)
       )
     end
 
     def after(milliseconds, &block)
-      element_parent.gui_state.add_timer(
+      element_parent.root.gui_state.add_timer(
         CyberarmEngine::Timer.new(milliseconds, false, &block)
       )
     end
@@ -112,6 +112,14 @@ module CyberarmEngine
       add_element(Element::Slider.new(options, block))
     end
 
+    def page(klass, options = {})
+      element_parent.root.gui_state.page(klass, options)
+    end
+
+    def current_page
+      element_parent.root.gui_state.current_page
+    end
+
     def background(color = Gosu::Color::NONE)
       element_parent.style.background = color
     end

lib/cyberarm_engine/ui/elements/image.rb

@@ -14,8 +14,8 @@ module CyberarmEngine
 
       def render
         @image.draw(
-          styled(:border_thickness_left) + styled(:padding_left) + @x,
+          styled(:margin_left) + styled(:border_thickness_left) + styled(:padding_left) + @x,
-          styled(:border_thickness_top) + styled(:padding_top) + @y,
+          styled(:margin_top) + styled(:border_thickness_top) + styled(:padding_top) + @y,
           @z + 2,
           @scale_x, @scale_y, styled(:color)
         )

lib/cyberarm_engine/ui/gui_state.rb

@@ -18,6 +18,10 @@ module CyberarmEngine
       @active_width  = window.width
       @active_height = window.height
 
+      @pages = {}
+      @page_host = nil
+      @page = nil
+
       @menu = nil
       @focus = nil
       @mouse_over = nil
@@ -43,6 +47,36 @@ module CyberarmEngine
       @menu
     end
 
+    def page(klass, options = {})
+      @page&.blur
+
+      @pages[klass] = klass.new(parent: options[:parent] || self) unless @pages[klass]
+      @page = @pages[klass]
+
+      @page.options = options
+      page_host.clear do
+        @page.setup
+      end
+      @page.focus
+    end
+
+    def current_page
+      @page
+    end
+
+    def page_host
+      return @page.parent if @page.parent.is_a?(CyberarmEngine::Element::Container)
+      return @page_host if @page_host && @page_host.is_a?(CyberarmEngine::Element::Container)
+
+      @root_container
+    end
+
+    def page_host=(container)
+      raise "page host must be a CyberarmEngine::Element::Container" unless container.is_a?(Container)
+
+      @page_host = container
+    end
+
     # throws :blur event to focused element and sets GuiState focused element
     # Does NOT throw :focus event at element or set element as focused
     def focus=(element)
@@ -98,6 +132,8 @@ module CyberarmEngine
       end
 
       @needs_repaint = false
+
+      @page&.draw
     end
 
     def needs_repaint?
@@ -162,6 +198,8 @@ module CyberarmEngine
 
       @last_mouse_pos = Vector.new(window.mouse_x, window.mouse_y)
       @mouse_pos = @last_mouse_pos.clone
+
+      @page&.update
     end
 
     def button_down(id)
@@ -179,6 +217,8 @@ module CyberarmEngine
       end
 
       @focus.button_down(id) if @focus.respond_to?(:button_down)
+
+      @page&.button_down(id)
     end
 
     def button_up(id)
@@ -209,6 +249,8 @@ module CyberarmEngine
 
       # Prevents menu from popping back up if the listbox is clicked to hide it.
       @hid_menu_for = nil
+
+      @page&.button_up(id)
     end
 
     def tool_tip_delay

lib/cyberarm_engine/ui/page.rb

@@ -0,0 +1,39 @@
+module CyberarmEngine
+  class Page
+    include CyberarmEngine::DSL
+    include CyberarmEngine::Common
+
+    attr_reader :parent
+
+    def initialize(parent:)
+      @parent = parent
+
+      @options = {}
+    end
+
+    def options=(options)
+      @options = options
+    end
+
+    def setup
+    end
+
+    def focus
+    end
+
+    def blur
+    end
+
+    def draw
+    end
+
+    def update
+    end
+
+    def button_down(id)
+    end
+
+    def button_up(id)
+    end
+  end
+end