1 files changed, 87 insertions, 0 deletions
diff --git a/examples/full-screen/simple-demos/float-transparency.py b/examples/full-screen/simple-demos/float-transparency.py
new file mode 100755
index 0000000..4dc38fc
--- /dev/null
+++ b/examples/full-screen/simple-demos/float-transparency.py
@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+"""
+Example of the 'transparency' attribute of `Window' when used in a Float.
+"""
+from prompt_toolkit.application import Application
+from prompt_toolkit.formatted_text import HTML
+from prompt_toolkit.key_binding import KeyBindings
+from prompt_toolkit.layout.containers import Float, FloatContainer, Window
+from prompt_toolkit.layout.controls import FormattedTextControl
+from prompt_toolkit.layout.layout import Layout
+from prompt_toolkit.widgets import Frame
+
+LIPSUM = " ".join(
+    (
+        """Lorem ipsum dolor sit amet, consectetur adipiscing elit.
+Maecenas quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est
+bibendum mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at
+dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam
+placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut
+tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue
+risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus
+consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo
+sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed
+convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex
+quis sodales maximus. """
+        * 100
+    ).split()
+)
+
+
+# 1. The layout
+left_text = HTML("<reverse>transparent=False</reverse>\n")
+right_text = HTML("<reverse>transparent=True</reverse>")
+quit_text = "Press 'q' to quit."
+
+
+body = FloatContainer(
+    content=Window(FormattedTextControl(LIPSUM), wrap_lines=True),
+    floats=[
+        # Important note: Wrapping the floating objects in a 'Frame' is
+        #                 only required for drawing the border around the
+        #                 floating text. We do it here to make the layout more
+        #                 obvious.
+        # Left float.
+        Float(
+            Frame(Window(FormattedTextControl(left_text), width=20, height=4)),
+            transparent=False,
+            left=0,
+        ),
+        # Right float.
+        Float(
+            Frame(Window(FormattedTextControl(right_text), width=20, height=4)),
+            transparent=True,
+            right=0,
+        ),
+        # Quit text.
+        Float(
+            Frame(
+                Window(FormattedTextControl(quit_text), width=18, height=1),
+                style="bg:#ff44ff #ffffff",
+            ),
+            top=1,
+        ),
+    ],
+)
+
+
+# 2. Key bindings
+kb = KeyBindings()
+
+
+@kb.add("q")
+def _(event):
+    "Quit application."
+    event.app.exit()
+
+
+# 3. The `Application`
+application = Application(layout=Layout(body), key_bindings=kb, full_screen=True)
+
+
+def run():
+    application.run()
+
+
+if __name__ == "__main__":
+    run()