Update paths in sky_home.dart

sky/examples/rendering/touch_demo.dart

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import 'dart:math';
 import 'dart:sky';
 import 'package:sky/framework/app.dart';
 import 'package:sky/framework/rendering/box.dart';

[Hixie, 2015/06/11 22:14:09]

convention is now to sort this alphabetically, with dart: first, then package:,
then everything else, with blank lines between each of those sections.

 import 'package:sky/framework/rendering/object.dart';
+import 'package:sky/framework/rendering/stack.dart';
+import 'package:sky/framework/rendering/paragraph.dart';
+import 'package:sky/framework/theme2/colors.dart';
 
 // Material design colors. :p
-List<int> colors = [
-  0xFF009688,
-  0xFFFFC107,
-  0xFF9C27B0,
-  0xFF03A9F4,
-  0xFF673AB7,
-  0xFFCDDC39,
+List<Color> colors = [
+  Teal[500],
+  Amber[500],
+  Purple[500],
+  LightBlue[500],
+  DeepPurple[500],
+  Lime[500],
 ];
 
 class Dot {
   final Paint _paint;
   double x = 0.0;
   double y = 0.0;
   double radius = 0.0;
 
-  Dot({int color}) : _paint = new Paint()..color = color;
+  Dot({Color color}) : _paint = new Paint()..color = color;

[Hixie, 2015/06/11 22:14:09]

spaces around the arguments list.

 
   void update(PointerEvent event) {
     x = event.x;
     y = event.y;
     radius = 5 + (95 * event.pressure);
   }
 
   void paint(RenderObjectDisplayList canvas) {
     canvas.drawCircle(x, y, radius, _paint);
   }
 }
 
 class RenderTouchDemo extends RenderBox {
   Map<int, Dot> dots = new Map();
 
   RenderTouchDemo();
 
   void handleEvent(Event event, BoxHitTestEntry entry) {
     switch (event.type) {
       case 'pointerdown':
-        int color = colors[event.pointer.remainder(colors.length)];
+        Color color = colors[event.pointer.remainder(colors.length)];
         dots[event.pointer] = new Dot(color: color)..update(event);
         break;
       case 'pointerup':
         dots.remove(event.pointer);
         break;
       case 'pointercancel':
         dots = new Map();
         break;
       case 'pointermove':
         dots[event.pointer].update(event);
         break;
     }
     markNeedsPaint();
   }
 
   void performLayout() {
     size = constraints.constrain(Size.infinite);
   }
 
   void paint(RenderObjectDisplayList canvas) {
-    dots.forEach((_, Dot dot) {
+    Paint white = new Paint()..color = const Color(0xFFFFFFFF);
+    canvas.drawRect(new Rect.fromSize(size), white);
+    for (Dot dot in dots.values)
       dot.paint(canvas);
-    });
   }
 }
 
 AppView app;
 
 void main() {
-  app = new AppView(new RenderTouchDemo());
+  var para = new RenderParagraph(text: "Touch me!");
+  var stack = new RenderStack(children: [
+    new RenderTouchDemo(),
+    para,
+  ]);
+  // Make the paragraph not fill the whole screen so it doesn't eat events.
+  para.parentData..top = 40.0
+                 ..left = 20.0;
+  app = new AppView(stack);
 }