SugarTouchController.get_center() test

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/controller_get_center.py b/tests/controller_get_center.py
new file mode 100644
index 0000000..fa3065e
--- /dev/null
+++ b/tests/controller_get_center.py
@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+from gi.repository import Gtk
+from gi.repository import Gdk
+from gi.repository import SugarGestures
+import math
+
+
+class TestTouch(Gtk.DrawingArea):
+
+    def __init__(self):
+        super(TestTouch, self).__init__()
+
+        self.set_events(Gdk.EventMask.TOUCH_MASK)
+        self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK)
+        self.add_events(Gdk.EventMask.BUTTON_RELEASE_MASK)
+        self.add_events(Gdk.EventMask.BUTTON_MOTION_MASK)
+        self.connect('draw', self.__draw_cb)
+
+        self.touches = {}
+
+        zoom = SugarGestures.ZoomController()
+        zoom.connect('scale-changed', self.__scale_changed_cb)
+        zoom.attach(self, SugarGestures.EventControllerFlags.NONE)
+
+    def __scale_changed_cb(self, controller, scale):
+        success, x, y = controller.get_center()
+        self.touches[1] = x, y
+        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()
+    window.maximize()
+    Gtk.main()
+
+if __name__ == "__main__":
+    main()