@@ -59,6 +59,46 @@ def test_rectangle_selector():
5959 check_rectangle (props = dict (fill = True ))
6060
6161
62+ @pytest .mark .parametrize ('spancoords' , ['data' , 'pixels' ])
63+ @pytest .mark .parametrize ('minspanx, x1' , [[0 , 10 ], [1 , 10.5 ], [1 , 11 ]])
64+ @pytest .mark .parametrize ('minspany, y1' , [[0 , 10 ], [1 , 10.5 ], [1 , 11 ]])
65+ def test_rectangle_minspan (spancoords , minspanx , x1 , minspany , y1 ):
66+ ax = get_ax ()
67+ ax ._n_onselect = 0
68+
69+ def onselect (epress , erelease ):
70+ ax ._n_onselect += 1
71+ ax ._epress = epress
72+ ax ._erelease = erelease
73+
74+ x0 , y0 = (10 , 10 )
75+ if spancoords == 'pixels' :
76+ minspanx , minspany = (ax .transData .transform ((x1 , y1 )) -
77+ ax .transData .transform ((x0 , y0 )))
78+
79+ tool = widgets .RectangleSelector (ax , onselect , interactive = True ,
80+ spancoords = spancoords ,
81+ minspanx = minspanx , minspany = minspany )
82+ # Too small to create a selector
83+ click_and_drag (tool , start = (x0 , x1 ), end = (y0 , y1 ))
84+ assert not tool ._selection_completed
85+ assert ax ._n_onselect == 0
86+
87+ click_and_drag (tool , start = (20 , 20 ), end = (30 , 30 ))
88+ assert tool ._selection_completed
89+ assert ax ._n_onselect == 1
90+
91+ # Too small to create a selector. Should clear exising selector, and
92+ # trigger onselect because there was a pre-exisiting selector
93+ click_and_drag (tool , start = (x0 , y0 ), end = (x1 , y1 ))
94+ assert not tool ._selection_completed
95+ assert ax ._n_onselect == 2
96+ assert ax ._epress .xdata == x0
97+ assert ax ._epress .ydata == y0
98+ assert ax ._erelease .xdata == x1
99+ assert ax ._erelease .ydata == y1
100+
101+
62102@pytest .mark .parametrize ('drag_from_anywhere, new_center' ,
63103 [[True , (60 , 75 )],
64104 [False , (30 , 20 )]])
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