1 files changed, 83 insertions, 0 deletions
diff --git a/touch.py b/touch.py
new file mode 100644
index 0000000..584659d
--- /dev/null
+++ b/touch.py
@@ -0,0 +1,83 @@
+#!/usr/bin/env python
+# Copyright (C) 2011, One Laptop Per Child
+# Author, Manuel Kaufmann <humitos@gmail.com>
+
+import moosegesture
+
+from gi.repository import Gtk
+from gi.repository import Gdk
+
+
+LENGHT = 100
+DIRECTIONS = {
+    1: (-1, 1),
+    2: (0, 1),
+    3: (1, 1),
+    4: (-1, 0),
+    7: (-1, -1),
+    8: (0, -1),
+    9: (1, -1),
+    6: (1, 0),
+    }
+
+
+class TouchWidget(Gtk.DrawingArea):
+
+    def __init__(self):
+        self.touches = {}
+        self.gesture = []
+
+        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):
+
+                if seq in self.touches:
+                    self.touches[seq].append((x, y))
+                else:
+                    self.touches[seq] = [(x, y)]
+
+            elif event.type == Gdk.EventType.TOUCH_END:
+                self.gesture = moosegesture.getGesture(self.touches[seq])
+                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)
+        allocation = self.get_allocation()
+        ctx.save()
+        ctx.set_line_width(10)
+        ctx.move_to(allocation.width / 2, allocation.height / 2)
+
+        for direction in self.gesture:
+            x, y = DIRECTIONS[direction]
+            ctx.rel_line_to(x * LENGHT, y * LENGHT)
+
+        ctx.stroke()
+        ctx.restore()
+        self.gesture = []
+
+
+def main():
+    window = Gtk.Window()
+    test_touch = TouchWidget()
+
+    window.add(test_touch)
+    window.connect("destroy", Gtk.main_quit)
+    window.show_all()
+    window.maximize()
+    Gtk.main()
+
+if __name__ == "__main__":
+    main()