Test multi touch

Signed-off-by: Gonzalo Odiard <gonzalo@laptop.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/touch_test.py b/touch_test.py
new file mode 100644
index 0000000..badf05f
--- /dev/null
+++ b/touch_test.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+# Copyright (C) 2011, One Laptop Per Child
+# Author, Gonzalo Odiard <gonzalo@laptop.org>
+# Translated from c demo provided by Carlos Garnacho <carlos@lanedo.com>
+
+from gi.repository import Gtk
+from gi.repository import Gdk
+import math
+
+
+class TestTouch(Gtk.DrawingArea):
+
+    def __init__(self):
+        self.touches = {}
+        super(TestTouch, self).__init__()
+        self.set_events(Gdk.EventMask.TOUCH_MASK)
+        self.connect('draw', self.__draw_cb)
+        self.connect('event', self.__event_cb)
+
+    def __event_cb(self, widget, event):
+        if event.type in (Gdk.EventType.TOUCH_BEGIN,
+                Gdk.EventType.TOUCH_CANCEL, Gdk.EventType.TOUCH_END,
+                Gdk.EventType.TOUCH_UPDATE):
+            x = event.touch.x
+            y = event.touch.y
+            seq = str(event.touch.sequence)
+
+            if event.type in (Gdk.EventType.TOUCH_BEGIN,
+                    Gdk.EventType.TOUCH_UPDATE):
+                self.touches[seq] = (x, y)
+            elif event.type == Gdk.EventType.TOUCH_END:
+                del self.touches[seq]
+            self.queue_draw()
+
+    def __draw_cb(self, widget, ctx):
+        ctx.set_source_rgba(0.3, 0.3, 0.3, 0.7)
+        for touch in self.touches.values():
+            x, y = touch
+            ctx.save()
+            ctx.arc(x, y, 60, 0., 2 * math.pi)
+            ctx.fill()
+            ctx.restore()
+
+
+def main():
+    window = Gtk.Window()
+    test_touch = TestTouch()
+
+    window.add(test_touch)
+    window.connect("destroy", Gtk.main_quit)
+    window.show_all()
+    Gtk.main()
+
+if __name__ == "__main__":
+    main()