ZoomController scale 1.0 test

'scale-changed' signal is not always called with scale value in 1.0

1 files changed, 53 insertions, 0 deletions

diff --git a/tests/zoom_scaled_changed.py b/tests/zoom_scaled_changed.py
new file mode 100644
index 0000000..0307e02
--- /dev/null
+++ b/tests/zoom_scaled_changed.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+
+import math
+
+from gi.repository import Gtk
+from gi.repository import Gdk
+from gi.repository import SugarGestures
+
+
+class TestTouch(Gtk.DrawingArea):
+
+    def __init__(self):
+        super(TestTouch, self).__init__()
+
+        self.set_events(Gdk.EventMask.TOUCH_MASK)
+        self.connect('draw', self.__draw_cb)
+
+        self.touch = None
+
+        zoom = SugarGestures.ZoomController()
+        zoom.connect('scale-changed', self.__scale_changed_cb)
+        zoom.attach(self, SugarGestures.EventControllerFlags.NONE)
+
+    def __scale_changed_cb(self, controller, scale):
+        print 'Scale:', scale
+        if scale == 1.0:
+            self.touch = (500, 250)
+        else:
+            self.touch = None
+        self.queue_draw()
+
+    def __draw_cb(self, widget, ctx):
+        ctx.set_source_rgba(1, 0, 0, 0.7)
+        if self.touch is not None:
+            x, y = self.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.set_size_request(1000, 500)
+    Gtk.main()
+
+if __name__ == "__main__":
+    main()