def __create_main_view(self):
widgets = list()
main_menu_bar = c.main_menu_bar(widget=c.orr([
c.menu(label="File",
widget=c.orr([c.menu_item(label="Quit", shortcut="CTRL+Q")
])),
c.menu("Style",
widget=c.orr([
c.menu_item(label, selected=self.style == label)
for label in self.style_choices
], )),
]))
widgets.append(main_menu_bar)
features = [
c.forever(self.state.nice_feature.render),
c.forever(self.state.settings.render),
]
widgets.extend(features)
shortcuts = [c.key_press(name="Quit", key_index=glfw.KEY_Q, ctrl=True)]
widgets.extend(shortcuts)
return c.orr(widgets)
def app():
todos = [("Write a Todo app", True), ("Take out garbage", False)]
disp = [True, False]
edited = ""
while True:
tag, value = yield from c.orr([
c.orr_same_line(
[c.button("All"),
c.button("Active"),
c.button("Completed")]),
c.orr([
c.tag_value(i, item(s, a)) for i, (s, a) in enumerate(todos)
if a in disp
]),
c.orr_same_line(
[c.button("+"),
c.input_text("New Item", edited, 30)]),
])
if tag == "New Item":
edited = value
elif tag == "+" and edited:
todos.append((edited, False))
edited = ""
elif tag in ["All", "Active", "Completed"]:
disp = dict(All=[True, False], Active=[False],
Completed=[True])[tag]
elif tag == "-":
del todos[value[0]]
elif tag == "toggle":
todos[value[0]] = todos[value[0]][0], value[1]
yield
def _test_events_generic(tester, state, widget):
# Event-less
yield from c.orr([
widget("", state, content_gen=lambda tf: c.nothing()),
tester.pause(),
])
yield
# Hover, immediate re-firing of the events by `content_gen`
tag, _ = yield from c.orr([
widget("", state, content_gen=lambda tf, event_gen: event_gen(), hover_tag="hover"),
tester.move_cursor(50, 100),
])
assert tag == "hover"
yield
# Mouse drag, no re-firing of events by `content_gen`. Drag is outside the image boundary
def content_gen(tf, event_gen):
dist_x = 0
while dist_x < 200:
key, value = yield from event_gen()
if key == 'drag':
print(tf.c2s)
dist_x += value[0] * tf.c2s[0,0]
print(dist_x)
yield
return "done", dist_x
def drag():
yield from tester.move_cursor(200, 100)
yield
yield from tester.mouse_dn(0)
yield
yield from tester.move_cursor(400, 100)
yield
key, value = yield from c.orr([
widget("", state, width=300, height=300, content_gen=content_gen, drag_tag="drag"),
drag(),
])
assert key == "done" and value == 200.0
yield
yield from tester.mouse_up(0)
yield
# Mouse down precedes drag
def content_gen(tf, event_gen):
dragged=False
while True:
key, value = yield from event_gen()
if key == 'down':
assert not dragged
dragged = True
if key == 'drag':
assert dragged
return "done", None
yield
ev = yield from c.orr([
widget("", state, width=300, height=300, content_gen=content_gen, down_tag="down", drag_tag="drag"),
drag(),
])
assert ev == ("done", None)
def __auth_view(self):
view = c.orr([
c.collapsing_header(
text="Languages",
widget=c.orr([
c.radio_button(
label='English',
active=True if self.language == 'default' else False,
tag='english'),
c.same_line(),
c.radio_button(
label='Russian',
active=True if self.language == 'cyrillic' else False,
tag='cyrillic'),
c.same_line(),
c.radio_button(
label='Korean',
active=True if self.language == 'korean' else False,
tag='korean'),
c.same_line(),
c.radio_button(
label='Japanese',
active=True if self.language == 'japanese' else False,
tag='japanese'),
c.same_line(),
c.radio_button(label='Chinese',
active=True if self.language
== 'chinese_full' else False,
tag='chinese_full'),
c.same_line(),
c.radio_button(
label='German',
active=True if self.language == 'latin' else False,
tag='latin'),
]),
open=True),
self.custom_spacing(1, 1),
c.text("Username:"******"", value=self.username, tag="username"),
c.text("Password:"******"", value=self.password, tag="password"),
c.button("Terminate", tag='terminate')
if self.process else self.dynamic_popup_button(
label="Login",
error=self.evaluate_popup_behaviour({
'user': self.username,
'password': self.password
}),
tag='login'),
])
return view
def test_checkbox(tester):
res = yield from c.orr([
tester.click_next(),
c.checkbox("This", True),
])
assert res == ("This", False)
yield
res = yield from c.orr([
tester.click_next(),
c.checkbox("That", False, tag="Tag"),
])
assert res == ("Tag", True)
def test_radio_button(tester):
res = yield from c.orr([
tester.click_next(),
c.radio_button("This", True),
])
assert res == ("This", None)
yield
res = yield from c.orr([
tester.click_next(),
c.radio_button("That", False, tag="Tag"),
])
assert res == ("Tag", None)
def test_button(tester):
res = yield from c.orr([
tester.click_next(),
c.button("This"),
])
assert res == ("This", None)
yield
res = yield from c.orr([
tester.click_next(),
c.button("That", tag="Tag"),
])
assert res == ("Tag", None)
def test_color_button(tester):
res = yield from c.orr([
tester.click_next(),
c.color_button("This", (1, 0, 0, 1)),
])
assert res == ("This", None)
yield
res = yield from c.orr([
tester.click_next(),
c.color_button("That", 'red', tag="Tag"),
])
assert res == ("Tag", None)
def test_sliders(tester):
ev = yield from c.orr([
c.orr_same_line([
c.interactive_elem(imgui.v_slider_float,
name="Vslider",
width=20.0,
height=100,
value=1.0,
min_value=1,
max_value=10,
format="%0.3f",
flags=imgui.SLIDER_LOGARITHMIC),
]),
c.interactive_elem(imgui.slider_float, "Slider", 1.0, 1, 10),
c.interactive_elem(imgui.slider_float2, "Slider2", 1.0, 2.0, 1, 10),
c.interactive_elem(imgui.slider_float3, "Slider3", 1.0, 2.0, 3.0, 1,
10),
c.interactive_elem(imgui.slider_float4, "Slider4", 1.0, 2.0, 3.0, 4.0,
1, 10),
c.interactive_elem(imgui.drag_float, "Drag", 1.0, 1, 10),
c.interactive_elem(imgui.drag_float2, "Drag2", 1.0, 2.0, 1, 10),
c.interactive_elem(imgui.drag_float3, "Drag3", 1.0, 2.0, 3.0, 1, 10),
c.interactive_elem(imgui.drag_float4, "Drag4", 1.0, 2.0, 3.0, 4.0, 1,
10),
tester.pause(),
])
def app(tester):
canvas = np.zeros([1000, 1000, 3], 'u1')
im = c.Image(canvas)
t = 0
x, y = 0, 0
for i in range(2):
if i: yield
res = yield from c.orr([
c.image("",
im,
content_gen=lambda tf: c.draw.rect_filled(
x - 40,
y - 40,
x + 40,
y + 40,
tuple(np.array([222, 111, 111, 255]) / 255),
tf=tf)),
c.event(None),
])
t += 0.02
x = int(500 + 400 * np.sin(t))
y = int(500 + 400 * np.cos(t))
canvas[...] = 0
canvas[y - 41:y + 41, x - 41:x + 41] = [111, 222, 111]
canvas[y - 40:y + 40, x - 40:x + 40] = [111, 111, 222]
im.change_image(canvas)
def test_text_colored(tester):
yield from c.orr([
c.text_colored("This", 'blue'),
c.text_colored("This", (1, 0, 0)),
tester.pause(),
])
yield
def app(image_path, output_path):
view = c.Image(Image.open(image_path))
autosave = True
try:
r = csv.reader(open(output_path, 'r'))
pts = [(int(x), int(y)) for x, y in r]
except FileNotFoundError:
pts = []
while True:
tag, value = yield from c.orr([
c.orr_same_line([c.button("Save"), c.text(f"Click to (de)annotate. N: {len(pts)}"), c.checkbox("Autosave", autosave)]),
c.image("Image", view, content_gen=c.partial(overlay, np.array(pts).reshape(-1, 2))),
])
if tag == "Image":
view = value
elif tag == "Autosave":
autosave = value
elif tag == "Rem":
pts.pop(value)
elif tag == "Add":
pts.append((int(value[0]), int(value[1])))
if tag == "Save" or autosave and tag in ["Rem", "Add"]:
with open(output_path, 'w') as f:
csv.writer(f).writerows(pts)
yield
def test_shapes(tester):
def content(tf):
np.random.seed(0)
return c.orr([
# Empty polygonal shapes of all kinds
c.draw.polygon([], 'white', tf=tf),
c.draw.polygon(np.array([]), 'white', tf=tf),
c.draw.polygon(np.zeros((0, 2)), 'white', tf=tf),
c.draw.polyline([], 'white', tf=tf),
c.draw.polyline(np.array([]), 'white', tf=tf),
c.draw.polyline(np.zeros((0, 2)), 'white', tf=tf),
c.draw.polygons(np.zeros((0, 123, 2)), 'white', tf=tf),
c.draw.polygons(np.zeros((123, 0, 2)), 'white', tf=tf),
c.draw.polylines([], 'white', tf=tf),
c.draw.polylines(np.zeros((0, 123, 2)), 'white', tf=tf),
c.draw.polylines(np.zeros((123, 0, 2)), 'white', tf=tf),
c.draw.scatter(np.array([]), 'white', 'x', tf=tf),
c.draw.scatter(np.zeros([0]), 'white', 'x', tf=tf),
c.draw.scatter(np.zeros([0,2]), 'white', 'x', tf=tf),
# Normal polygonal shapes
c.draw.polygon(np.array([(0.5,0.5), (0.7,0.5), (0.7,0.7), (0.5,0.7)]), 'white', tf=tf),
c.draw.polygon([(0.5,0.5), (0.6,0.5), (0.6,0.6), (0.5,0.6)], 'brown', tf=tf),
])
yield from c.orr([c.image("Image", c.Image(), content_gen=content), tester.pause()])
def test_orr_same_line(tester):
res = yield from c.orr([
c.orr_same_line(
[c.button("Apples"),
tester.mark("X", c.button("Oranges"))]),
tester.click_marked("X"),
])
assert res == ("Oranges", None)
def image(tester):
def controlee():
view = c.Image(Image.open("examples/lenna.png"))
while True:
_, view = yield from c.image("Image", view)
yield
return c.orr([controlee(), pan_and_zoom(tester)])
def test_window(tester):
res = yield from c.window(
"Window",
c.child("Child", c.orr([tester.click_next(),
c.button("Click me!")]), 100, 100),
position=(20, 20),
size=(300, 100))
assert res == ("Click me!", None)
def content(tf):
np.random.seed(0)
return c.orr([
c.draw.scatter(np.random.rand(100, 2), 'white', '+', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'yellow', 'x', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'magenta', 'o', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'green', '.', marker_size=3, tf=tf),
])
def graph(tf):
while True:
ts = np.linspace(t(), t() + 1/2, 100)
pts = np.stack([np.sin(ts * 4), np.cos(ts * 5)]).T
yield from c.orr([
c.draw.polyline(pts, 'blue', tf=tf),
c.event(None), # refresh every frame
])
yield
def app():
while True:
key, value = yield from c.orr([
c.main_menu_bar(c.orr([
c.menu("File", c.orr([
c.menu_item("New", "Ctrl+N"),
c.menu_item("Open...", "Ctrl+O"),
c.separator(),
c.menu_item("Quit", "Ctrl+Q"),
])),
])),
c.text("Try Ctrl+Q."),
c.key_press("Quit", ord('Q'), ctrl=True),
])
print(key, value)
if key == "Quit":
return
yield
def overlay(lines, tf, event_gen=c.nothing):
key, value = yield from c.orr([
c.draw.polylines(np.array(lines), 'yellow', thickness=4, tf=tf),
event_gen(),
])
if key == "Drag":
lines[-1][1] += value
elif key == "Down":
lines.append([value, value.copy()])
return "Draw", lines
def test_scatter(tester):
def content(tf):
np.random.seed(0)
return c.orr([
c.draw.scatter(np.random.rand(100, 2), 'white', '+', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'yellow', 'x', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'magenta', 'o', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'green', '.', marker_size=3, tf=tf),
])
yield from c.orr([c.image("Image", c.Image(), content_gen=content), tester.pause()])
def hello_world():
show_demo_window = True
demo_state = DemoState()
show_another_window = False
float = 0.0
counter = 0
while True:
tag, value = yield from c.orr([
c.window(
"Hello, world!",
c.orr([
c.text("This is some useful text."),
c.checkbox("Demo Window", show_demo_window),
c.checkbox("Another Window", show_another_window),
c.slider_float("Float", float, 0, 1),
# Not implemented: background color chooser
c.orr_same_line(
[c.button("Button"),
c.text(f"counter = {counter}")]),
# Not implemented: FPS counter
])),
c.optional(
show_another_window, lambda: c.window(
"Another Window",
c.orr([
c.text("Hello from another window!"),
c.button("Close Me"),
]))),
c.optional(show_demo_window, c.partial(demo_window, demo_state)),
])
if tag == "Demo Window":
show_demo_window = value
elif tag == "Another Window":
show_another_window = value
elif tag == "Float":
float = value
elif tag == "Button":
counter += 1
elif tag == "Close Me":
show_another_window = False
yield
def image_ui(q):
i = 0
im1 = c.Image(Image.open("examples/lenna.png"))
im2 = copy.deepcopy(im1)
while True:
i += 1
ret = yield from c.orr([c.listen(q), c.image("This", im2)])
if ret is None:
return im1, im2
im2 = ret[1]
yield
def app(tester):
m = np.ones((16, 32, 3), 'u1') * 0
# m[50:150, :, 1] = 256
m[:, 7:20, 0] = 255
im = c.Image(m)
return c.orr([
c.image("", c.Image(m[:,:28]), height=100),
c.image("", c.Image(m[:,:29]), height=100),
c.image("", c.Image(m[:,:30]), height=100),
c.image("", c.Image(m[:,:31]), height=100),
tester.pause(),
])
def overlay(tf):
return c.orr([
c.draw.line(20, 20, 20, 200, 'yellow', 2, tf=tf),
c.draw.rect(40, 20, 100, 200, 'yellow', 2, 5, tf=tf),
c.draw.circle(70, 110, 20, 'yellow', 2, 16, tf=tf),
c.draw.text("Overlay text", 120, 20, 'blue', tf=tf),
c.draw.polyline([(50, 30), (90, 30), (70, 50)],
'yellow',
True,
2,
tf=tf),
c.transform(120, 50, c.button("Rotate"), tf=tf),
])
def controlee():
counter = 5
while True:
action, _ = yield from c.orr([
c.text(f"Count: {counter}"),
tester.mark("--", c.button("Decrement")),
tester.mark("++", c.button("Increment")),
])
if action == "Increment":
counter += 1
elif action == "Decrement":
counter -= 1
yield
def test_viewport_scroll_identity(tester):
def actions(q):
yield from tester.move_cursor(100, 200)
yield from tester.scroll_up()
yield from tester.pause()
yield from tester.scroll_dn()
yield
q.put(None)
yield from c.nothing()
q = Queue()
im1, im2 = yield from c.orr([actions(q), image_ui(q)])
assert is_viewport_close(im1, im2)
def test_viewport_start_movement_outside(tester):
def actions(q):
yield from tester.move_cursor(50, 5)
yield from tester.mouse_dn(1)
yield from tester.move_cursor(100, 100)
yield from tester.mouse_up(1)
yield
q.put(None)
yield from c.nothing()
q = Queue()
im1, im2 = yield from c.orr([actions(q), image_ui(q)])
assert is_viewport_close(im1, im2)
def test_collapsing_header(tester):
def ctrl():
yield from tester.click_marked("H")
yield from tester.click_marked("B")
res = yield from c.orr([
tester.mark(
"H",
c.collapsing_header("Header",
tester.mark("B", c.button("Button")),
open=False)),
ctrl(),
])
assert res == ("Button", None)
def plot(tester):
def controlee():
def line(tf):
np.random.seed(0)
x = np.linspace(-2, 2, 10000)
y = np.cumsum(np.random.rand(len(x)) - 0.5) / 100
return c.draw.polyline(np.stack([x, y]).T, (0, 0, 1, 1), tf=tf)
frame = c.Frame((-1, 1), (1, -1))
while True:
_, frame = yield from c.frame("Frame", frame, line)
yield
return c.orr([controlee(), pan_and_zoom(tester)])