showcase: add scatter examples

examples/demo/showcase/main.py

@@ -8,12 +8,20 @@ from kivy.uix.anchorlayout import AnchorLayout
 from kivy.uix.button import Button
 from kivy.uix.togglebutton import ToggleButton
 from kivy.uix.slider import Slider
+from kivy.uix.widget import Widget
+from kivy.uix.scatter import Scatter
 from kivy.uix.textinput import TextInput
 from kivy.uix.treeview import TreeView, TreeViewLabel
 
 class Showcase(FloatLayout):
     pass
 
+class KivyImageScatter(Scatter):
+    pass
+
+class ButtonsScatter(Scatter):
+    pass
+
 class ShowcaseApp(App):
 
     def on_select_node(self, instance, value):
@@ -44,6 +52,9 @@ class ShowcaseApp(App):
         n = create_tree('Sliders')
         attach_node('Horizontal sliders', n)
         attach_node('Vertical sliders', n)
+        n = create_tree('Scatter')
+        attach_node('Scatter with image', n)
+        attach_node('Scatter with buttons', n)
         n = create_tree('Textinput')
         attach_node('Monoline textinput', n)
         attach_node('Multiline textinput', n)
@@ -57,6 +68,19 @@ class ShowcaseApp(App):
         sc.content.add_widget(root)
         return sc
 
+    def show_scatter_with_image(self):
+        s = KivyImageScatter(center=self.content.center)
+        col = Widget()
+        col.add_widget(s)
+        return col
+
+    def show_scatter_with_buttons(self):
+        s = ButtonsScatter(size=(300, 200))
+        s.center = self.content.center
+        col = Widget()
+        col.add_widget(s)
+        return col
+
     def show_standard_buttons(self):
         col = BoxLayout(spacing=10)
         col.add_widget(Button(text='Hello world'))

examples/demo/showcase/showcase.kv

@@ -32,3 +32,20 @@
         FloatLayout:
             id: content
 
+<KivyImageScatter>:
+    Image:
+        source: 'data/logo/kivy-icon-512.png'
+
+<ButtonsScatter>:
+    canvas:
+        Color:
+            rgba: .5, .5, .5, .5
+        Rectangle:
+            size: self.size
+    BoxLayout:
+        size: root.size
+        padding: 40
+        Button:
+            text: 'Hello'
+        Button:
+            text: 'World'