def multi_fields(t):
print('Dynamic labels.')
refresh(st7735, True) # Clear any prior image
nfields = []
dy = wri.height + 6
y = 2
col = 15
width = wri.stringlen('99.99')
for txt in ('X:', 'Y:', 'Z:'):
Label(wri, y, 0, txt) # Use wri default colors
nfields.append(Label(wri, y, col, width,
bdcolor=None)) # Specify a border, color TBD
y += dy
end = utime.ticks_add(utime.ticks_ms(), t * 1000)
while utime.ticks_diff(end, utime.ticks_ms()) > 0:
for field in nfields:
value = int.from_bytes(uos.urandom(3), 'little') / 167772
overrange = None if value < 70 else YELLOW if value < 90 else RED
field.value('{:5.2f}'.format(value),
fgcolor=overrange,
bdcolor=overrange)
refresh(st7735)
utime.sleep(1)
Label(wri, 0, 64, ' OK ', True, fgcolor=RED)
refresh(st7735)
utime.sleep(1)
def __init__(self,
writer,
row,
col,
*,
height=50,
fgcolor=None,
bgcolor=None,
bdcolor=False,
ticks=8,
label=None,
style=0,
pip=None):
super().__init__(writer, row, col, height, 2 * height, fgcolor,
bgcolor, bdcolor)
self.style = style
self.pip = self.fgcolor if pip is None else pip
if label is not None:
self.label = Label(writer, row + height + 20, col, label)
self.minLabel = Label(writer, row + height + 5, col, '0.0V')
self.minLabel = Label(writer, row + height + 5, col + 2 * height - 25,
'5.0V')
radius = height
self.radius = radius
self.ticks = ticks
self.xorigin = col + radius
self.yorigin = row + radius
self.vectors = set()
def vari_fields():
print('vari_fields')
refresh(st7735, True) # Clear any prior image
Label(wri, 0, 0, 'Text:')
Label(wri, 20, 0, 'Border:')
width = wri.stringlen('Yellow')
lbl_text = Label(wri, 0, 40, width)
lbl_bord = Label(wri, 20, 40, width)
lbl_text.value('Red')
lbl_bord.value('Red')
lbl_var = Label(wri, 40, 2, '25.46', fgcolor=RED, bdcolor=RED)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Red')
lbl_bord.value('Yellow')
lbl_var.value(bdcolor=YELLOW)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Red')
lbl_bord.value('None')
lbl_var.value(bdcolor=False)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Yellow')
lbl_bord.value('None')
lbl_var.value(fgcolor=YELLOW)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Blue')
lbl_bord.value('Green')
lbl_var.value('18.99', fgcolor=BLUE, bdcolor=GREEN)
refresh(st7735)
def cubesRendererWindow(self):
""" Popup window for Cubes Renderer control and options"""
popupBtnCubesRenderer = PopupButton(self.window, "Cubes")
popupBtnCubesRenderer.setFontSize(16)
popupCubesRenderer = popupBtnCubesRenderer.popup()
popupCubesRenderer.setLayout(GroupLayout())
Label(popupCubesRenderer, "Cubes Renderer Options", "sans-bold")
def cb(state):
# self.pw.gl_canvas.switchCubesRenderer()
self.pw.gl_canvas.cubes.switch()
# self.pw.gl_canvas.setCubesSize(sliderCubeSize.value())
self.pw.gl_canvas.cubes.setSize(sliderCubeSize.value())
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupCubesRenderer, "Cubes", cb)
def cb(state):
# self.pw.gl_canvas.setCubesSize(sliderCubeSize.value())
self.pw.gl_canvas.cubes.setSize(sliderCubeSize.value())
self.pw.gl_canvas.updateRenderers()
sliderCubeSize = Slider(popupCubesRenderer)
sliderCubeSize.setValue(0.25)
sliderCubeSize.setRange((0, 0.5))
sliderCubeSize.setFixedWidth(120)
sliderCubeSize.setCallback(cb)
def neighborsRendererWindow(self):
""" Popup window for Neighbors Renderer control and options"""
popupBtnNeighborsRenderer = PopupButton(self.window, "Neighbors")
popupBtnNeighborsRenderer.setFontSize(16)
popupNeighborsRenderer = popupBtnNeighborsRenderer.popup()
popupNeighborsRenderer.setLayout(GroupLayout())
Label(popupNeighborsRenderer, "Neighbors Renderer Options",
"sans-bold")
def switch_cb(state):
self.pw.gl_canvas.neighbors.switch(intBox.value() - 1)
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupNeighborsRenderer, "Neighbors", switch_cb)
intBox = IntBox(popupNeighborsRenderer)
intBox.setEditable(True)
intBox.setFixedSize((150, 20))
intBox.setUnits("spin index")
intBox.setValue(1)
intBox.setDefaultValue("1")
intBox.setFontSize(16)
intBox.setFormat("[1-9][0-9]*")
intBox.setSpinnable(True)
intBox.setMinValue(1)
intBox.setValueIncrement(1)
def update_cb(state):
self.pw.gl_canvas.neighbors.setIndex(intBox.value() - 1)
self.pw.gl_canvas.updateRenderers()
intBox.setCallback(update_cb)
def seq():
print('Time sequence test - sine and cosine.')
refresh(st7735, True) # Clear any prior image
# y axis at t==now, no border
g = CartesianGraph(wri,
32,
2,
height=80,
xorigin=10,
fgcolor=False,
gridcolor=LIGHTGREEN,
bdcolor=WHITE)
# tsy = TSequence(g, YELLOW, 50)
# tsr = TSequence(g, RED, 50)
lbl = Label(wri, 10, 5, 'label')
lbl.value("DAMPED OSCILLATOR")
plt = TSequence(g, WHITE, 200)
r = 0.9
p = 0
for t in range(300):
g.clear()
# tsy.add(0.9*math.sin(t/10))
# tsr.add(0.4*math.cos(t/10))
plt.add(r * math.cos(t / 10))
r = r - 0.003
refresh(st7735)
# print(r)
utime.sleep_ms(1)
p = p + 1
def miscaleneousRenderersWindow(self):
""" Popup window for other Renderers and general options"""
popupBtnMiscRenderers = PopupButton(self.window, "Misc")
popupBtnMiscRenderers.setFontSize(16)
popupMiscRenderers = popupBtnMiscRenderers.popup()
popupMiscRenderers.setLayout(GroupLayout())
Label(popupMiscRenderers, "Miscaleneous Renderers", "sans-bold")
def cb(state):
self.pw.gl_canvas.coordinate.switch()
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupMiscRenderers, "Coordinates", cb)
chb.setChecked(self.pw.gl_canvas.coordinate.show)
def cb(state):
print("Not implemented!")
chb = CheckBox(popupMiscRenderers, "ArrowsSphere", cb)
def cb(state):
self.pw.gl_canvas.bounding_box.switch()
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupMiscRenderers, "Bounding Box", cb)
chb.setChecked(self.pw.gl_canvas.bounding_box.show)
def fields(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = Writer(ssd, fixed, verbose=False)
wri.set_clip(False, False, False)
textfield = Label(wri, 0, 2, wri.stringlen('longer'))
numfield = Label(wri, 25, 2, wri.stringlen('99.99'), bdcolor=None)
countfield = Label(wri, 0, 90, wri.stringlen('1'))
n = 1
for s in ('short', 'longer', '1', ''):
textfield.value(s)
numfield.value('{:5.2f}'.format(int.from_bytes(uos.urandom(2),'little')/1000))
countfield.value('{:1d}'.format(n))
n += 1
refresh(ssd)
utime.sleep(2)
textfield.value('Done', True)
refresh(ssd)
def __init__(self, parent):
global nomix_set_status
super(StatusWindow, self).__init__(parent, 'Status')
# self.setLayout(GridLayout(orientation=Orientation.Vertical))
self.setSize((1410, 90))
self.setPosition((15, 750))
self.label = Label(self, '', 'sans-bold')
self.label.setFixedSize((1400, 50))
self.label.setPosition((15, 50))
nomix_set_status = self.set_status
def aclock():
rtc = pyb.RTC()
uv = lambda phi: cmath.rect(1, phi) # Return a unit vector of phase phi
pi = cmath.pi
days = ('Mon', 'Tue', 'Wed', 'Thur', 'Fri', 'Sat', 'Sun')
months = ('Jan', 'Feb', 'March', 'April', 'May', 'June', 'July', 'Aug',
'Sept', 'Oct', 'Nov', 'Dec')
# Instantiate Writer
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = Writer(ssd, font_small, verbose=False)
wri.set_clip(True, True, False)
wri_tim = Writer(ssd, font_large, verbose=False)
wri_tim.set_clip(True, True, False)
# Instantiate displayable objects
dial = Dial(wri, 2, 2, height=215, ticks=12, bdcolor=None, pip=True)
lbltim = Label(wri_tim, 50, 230, '00.00.00')
lbldat = Label(wri, 100, 230, 100)
hrs = Pointer(dial)
mins = Pointer(dial)
hstart = 0 + 0.7j # Pointer lengths and position at top
mstart = 0 + 0.92j
while True:
t = rtc.datetime(
) # (year, month, day, weekday, hours, minutes, seconds, subseconds)
hang = -t[4] * pi / 6 - t[5] * pi / 360 # Angles of hands in radians
mang = -t[5] * pi / 30
if abs(hang -
mang) < pi / 360: # Avoid visually confusing overlap of hands
hang += pi / 30 # by making hr hand lag slightly
hrs.value(hstart * uv(hang))
mins.value(mstart * uv(mang))
lbltim.value('{:02d}.{:02d}'.format(t[4], t[5]))
lbldat.value('{} {} {} {}'.format(days[t[3] - 1], t[2],
months[t[1] - 1], t[0]))
refresh(ssd)
# Power saving: only refresh every 30s
for _ in range(30):
upower.lpdelay(1000)
ssd.update() # Toggle VCOM
def aclock():
uv = lambda phi: cmath.rect(1, phi) # Return a unit vector of phase phi
pi = cmath.pi
days = ('Mon', 'Tue', 'Wed', 'Thur', 'Fri', 'Sat', 'Sun')
months = ('Jan', 'Feb', 'March', 'April', 'May', 'June', 'July', 'Aug',
'Sept', 'Oct', 'Nov', 'Dec')
# Instantiate Writer
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = Writer(ssd, font_small, verbose=False)
wri.set_clip(True, True, False)
wri_tim = Writer(ssd, font_large, verbose=False)
wri_tim.set_clip(True, True, False)
# Instantiate displayable objects
dial = Dial(wri, 2, 2, height=215, ticks=12, bdcolor=None, pip=True)
lbltim = Label(wri_tim, 50, 230, '00.00.00')
lbldat = Label(wri, 100, 230, 100)
hrs = Pointer(dial)
mins = Pointer(dial)
secs = Pointer(dial)
hstart = 0 + 0.7j # Pointer lengths and position at top
mstart = 0 + 0.92j
sstart = 0 + 0.92j
while True:
t = utime.localtime()
hang = -t[4] * pi / 6 - t[
5] * pi / 360 # Angles of hour and minute hands
mang = -t[5] * pi / 30
sang = -t[6] * pi / 30
if abs(hang - mang) < pi / 360: # Avoid overlap of hr and min hands
hang += pi / 30 # which is visually confusing. Add slight lag to hts
hrs.value(hstart * uv(hang))
mins.value(mstart * uv(mang))
secs.value(sstart * uv(sang))
lbltim.value('{:02d}.{:02d}.{:02d}'.format(t[3], t[4], t[5]))
lbldat.value('{} {} {} {}'.format(days[t[6]], t[2], months[t[1] - 1],
t[0]))
refresh(ssd)
utime.sleep(1)
def vari_fields():
print('Variable label styles.')
refresh(st7735, True) # Clear any prior image
wri_large = CWriter(st7735, freesans20, GREEN, BLACK, verbose=False)
wri_large.set_clip(True, True, False)
Label(wri_large, 0, 0, 'Text')
Label(wri_large, 20, 0, 'Border')
width = wri_large.stringlen('Yellow')
lbl_text = Label(wri_large, 0, 65, width)
lbl_bord = Label(wri_large, 20, 65, width)
lbl_text.value('Red')
lbl_bord.value('Red')
lbl_var = Label(wri_large, 50, 2, '25.46', fgcolor=RED, bdcolor=RED)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Red')
lbl_bord.value('Yellow')
lbl_var.value(bdcolor=YELLOW)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Red')
lbl_bord.value('None')
lbl_var.value(bdcolor=False)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Yellow')
lbl_bord.value('None')
lbl_var.value(fgcolor=YELLOW)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Blue')
lbl_bord.value('Green')
lbl_var.value('18.99', fgcolor=BLUE, bdcolor=GREEN)
Label(wri, st7735.height - wri.height - 2, 0, 'Done', fgcolor=RED)
refresh(st7735)
def __init__(self, parent_window):
position = (5, 35)
super(FooWindow, self).__init__(parent_window, position)
# Buttons
Label(self.window, "Push buttons", "sans-bold")
b = Button(self.window, "Plain button")
def cb():
print("pushed!")
b.setCallback(cb)
b = Button(self.window, "Styled", entypo.ICON_ROCKET)
b.setBackgroundColor(Color(0, 0, 1.0, 0.1))
b.setCallback(cb)
def dotsRenderWindow(self):
""" Popup window for Dots Renderer control and options"""
popupBtnDotRenderer = PopupButton(self.window, "Dots")
popupBtnDotRenderer.setFontSize(16)
popupDotRenderer = popupBtnDotRenderer.popup()
popupDotRenderer.setLayout(GroupLayout())
Label(popupDotRenderer, "Dot Renderer Options", "sans-bold")
def cb(state):
self.pw.gl_canvas.dots.switch(comboDotStyle.selectedIndex())
self.pw.gl_canvas.dots.setSize(sliderDotRadius.value())
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupDotRenderer, "Dot", cb)
def cb(state):
self.pw.gl_canvas.dots.setSize(sliderDotRadius.value())
self.pw.gl_canvas.updateRenderers()
sliderDotRadius = Slider(popupDotRenderer)
sliderDotRadius.setRange([0, 1000])
sliderDotRadius.setValue(500)
sliderDotRadius.setFixedWidth(120)
sliderDotRadius.setCallback(cb)
Label(popupDotRenderer, "Dot style")
comboDotStyle = ComboBox(popupDotRenderer,
self.pw.gl_canvas.dots.getStyles())
def cb(state):
self.pw.gl_canvas.dots.setStyle(comboDotStyle.selectedIndex())
comboDotStyle.setCallback(cb)
comboDotStyle.setFontSize(16)
comboDotStyle.setFixedSize((100, 20))
def multi_fields(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = Writer(ssd, small, verbose=False)
wri.set_clip(False, False, False)
nfields = []
dy = small.height() + 6
y = 2
col = 15
width = wri.stringlen('99.99')
for txt in ('X:', 'Y:', 'Z:'):
Label(wri, y, 0, txt)
nfields.append(Label(wri, y, col, width, bdcolor=None)) # Draw border
y += dy
for _ in range(10):
for field in nfields:
value = int.from_bytes(uos.urandom(3),'little')/167772
field.value('{:5.2f}'.format(value))
refresh(ssd)
utime.sleep(1)
Label(wri, 0, 64, ' DONE ', True)
refresh(ssd)
def arrowsRendererWindow(self):
""" Popup window for Arrows Renderer control and options"""
popupBtnArrowsRenderer = PopupButton(self.window, "Arrows")
popupBtnArrowsRenderer.setFontSize(16)
popupArrowsRenderer = popupBtnArrowsRenderer.popup()
popupArrowsRenderer.setLayout(GroupLayout())
Label(popupArrowsRenderer, "Arrows Renderer Options", "sans-bold")
def cb(state):
self.pw.gl_canvas.arrows.switch()
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupArrowsRenderer, "Arrows", cb)
chb.setChecked(self.pw.gl_canvas.arrows.show)
def clock(x):
print('Clock test.')
refresh(st7735, True) # Clear any prior image
lbl = Label(wri, 5, 85, 'Clock')
dial = Dial(wri, 5, 5, height=75, ticks=12, bdcolor=None,
label=50) # Border in fg color
hrs = Pointer(dial)
mins = Pointer(dial)
hrs.value(0 + 0.7j, RED)
mins.value(0 + 0.9j, YELLOW)
dm = cmath.rect(1, -cmath.pi / 30) # Rotate by 1 minute (CW)
dh = cmath.rect(1, -cmath.pi / 1800) # Rotate hours by 1 minute
for n in range(x):
refresh(st7735)
utime.sleep_ms(200)
mins.value(mins.value() * dm, YELLOW)
hrs.value(hrs.value() * dh, RED)
dial.text('ticks: {}'.format(n))
lbl.value('Done')
def lem():
print('Lemniscate of Bernoulli.')
def populate():
t = -math.pi
while t <= math.pi + 0.1:
x = 0.5 * math.sqrt(2) * math.cos(t) / (math.sin(t)**2 + 1)
y = math.sqrt(2) * math.cos(t) * math.sin(t) / (math.sin(t)**2 + 1)
yield x, y
t += 0.1
refresh(ssd, True) # Clear any prior image
Label(wri, 82, 2, 'To infinity and beyond...')
g = CartesianGraph(wri,
2,
2,
height=75,
fgcolor=WHITE,
gridcolor=LIGHTGREEN)
curve = Curve(g, YELLOW, populate())
refresh(ssd)
def aclock():
uv = lambda phi: cmath.rect(1, phi) # Return a unit vector of phase phi
pi = cmath.pi
days = ('Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday',
'Sunday')
months = ('Jan', 'Feb', 'March', 'April', 'May', 'June', 'July', 'Aug',
'Sept', 'Oct', 'Nov', 'Dec')
CWriter.set_textpos(st7735, 0, 0) # In case previous tests have altered it
wri = CWriter(st7735, arial10, GREEN, BLACK, verbose=False)
wri.set_clip(True, True, False)
# Instantiate displayable objects
refresh(st7735, True) # Clear any prior image
dial = Dial(wri,
2,
2,
height=75,
ticks=12,
bdcolor=None,
label=120,
pip=False) # Border in fg color
lbltim = Label(wri, 5, 85, 35)
hrs = Pointer(dial)
mins = Pointer(dial)
secs = Pointer(dial)
hstart = 0 + 0.7j # Pointer lengths and position at top
mstart = 0 + 0.92j
sstart = 0 + 0.92j
while True:
t = cetTime()
hrs.value(hstart * uv(-t[3] * pi / 6 - t[4] * pi / 360), YELLOW)
mins.value(mstart * uv(-t[4] * pi / 30), YELLOW)
secs.value(sstart * uv(-t[5] * pi / 30), RED)
lbltim.value('{:02d}.{:02d}.{:02d}'.format(t[3], t[4], t[5]))
dial.text('{} {} {} {}'.format(days[t[6]], t[2], months[t[1] - 1],
t[0]))
refresh(st7735)
utime.sleep(1)
def tab_cb(index):
if index == (tabWidget.tabCount()-1):
global counter
# When the "+" tab has been clicked, simply add a new tab.
tabName = "Dynamic {0}".format(counter)
layerDyn = tabWidget.createTab(index, tabName)
layerDyn.setLayout(GroupLayout())
Label(layerDyn, "Function graph widget", "sans-bold")
graphDyn = Graph(layerDyn, "Dynamic function")
graphDyn.setHeader("E = 2.35e-3")
graphDyn.setFooter("Iteration {0}".format(index*counter))
valuesDyn = [0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)]
graphDyn.setValues(valuesDyn)
counter += 1
# We must invoke perform layout from the screen instance to keep everything in order.
# This is essential when creating tabs dynamically.
self.performLayout()
# Ensure that the newly added header is visible on screen
tabWidget.ensureTabVisible(index)
def tab_cb(index):
if index == plus_id:
global counter
# When the "+" tab has been clicked, simply add a new tab.
tab_name = "Dynamic {0}".format(counter)
layer_dyn = Widget(tab_widget)
layer_dyn.set_layout(GroupLayout())
new_id = tab_widget.insert_tab(tab_widget.tab_count() - 1,
tab_name, layer_dyn)
Label(layer_dyn, "Function graph widget", "sans-bold")
graph_dyn = Graph(layer_dyn, "Dynamic function")
graph_dyn.set_header("E = 2.35e-3")
graph_dyn.set_footer("Iteration {0}".format(index*counter))
values_dyn = [0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)]
graph_dyn.set_values(values_dyn)
counter += 1
# We must invoke the layout manager after adding tabs dynamically
self.perform_layout()
tab_widget.set_selected_id(new_id)
def cart():
print('Cartesian data test.')
def populate_1():
x = 0
while x < 2.01:
yield x, exp(-x) * cos(10 * x) # x, y
x += 0.1
refresh(st7735, True) # Clear any prior image
g = CartesianGraph(wri,
20,
2,
fgcolor=Display.WHITE,
gridcolor=Display.LIGHT_GREEN) # Asymmetric y axis
curve1 = Curve(g, Display.RED, populate_1(), origin=(1, 0))
title = Label(wri,
2,
10,
'Damped Oscillator',
fgcolor=Display.WHITE,
bdcolor=Display.WHITE)
refresh(st7735)
def __init__(self, voxel_grids, normals=None, mesh_file=None):
super(VoxelGridViewer, self).__init__()
self.disp_idx = 0
self.voxel_grids = voxel_grids
self.normals = normals
if mesh_file is not None:
self.mesh = TriangleMesh(mesh_file)
else:
self.mesh = None
window = Window(self, "VoxelGridViewer")
window.setPosition((15, 15))
window.setLayout(GroupLayout())
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 5))
self.label = Label(window, self.voxel_grids[self.disp_idx][0])
self.selected_voxel = None
self.performLayout()
def voltmeter():
print('Voltmeter with ADC connected to pin 34')
refresh(st7735, True) # Clear any prior imag
title = Label(wri,
2,
40,
'Voltmeter',
fgcolor=Display.WHITE,
bdcolor=Display.WHITE)
uv = lambda phi: cmath.rect(1, phi) # Return a unit vector of phase phi
scale = Scale(wri, 30, 5, height=60, ticks=5, bdcolor=None,
label=50) # Border in fg color
voltage = Pointer(scale)
while True:
v = adc.read() * 3.3 / 4096 # we have Vdd = 3.3 V and a 12 bit ADC
voltage.value(
(0 + 0.9j) * cmath.rect(1, cmath.pi / 2 - (v / 5) * cmath.pi),
Display.RED)
scale.text('voltage: {0:.1f} V'.format(v))
refresh(st7735)
utime.sleep_ms(100) # a measurement everv 100 ms
def __init__(self, parent, name, sound, color):
super(SoundLayer, self).__init__(parent)
print('[+] SoundLayer::__init__')
self.setLayout(GridLayout(resolution=4))
self.sound = sound
self.cp = Button(self, '')
self.color = color
self.cp.setBackgroundColor(color)
label = Label(self, name + ':', 'sans-bold')
label.setFixedSize((70, 20))
self.cp.setFixedSize((20, 40))
self.solomute = Widget(self)
self.solomute.setLayout(GridLayout(resolution=3))
self._parent = parent
self._focused = False
self.issolo = False
self.ismute = False
self.selected_color = Color(0x3e, 0x3e, 0x3f, 0xff)
slider = Slider(self.solomute)
slider.setFixedSize((180, 20))
def mute_cb():
print('mute')
mute = Button(self.solomute, 'M')
mute.setCallback(mute_cb)
def solo_cb():
print('solo')
solo = Button(self.solomute, 'S')
solo.setCallback(solo_cb)
spacer = Widget(self)
spacer.setWidth(20)
self.setFixedSize((400, 40))
def __init__(self):
super(TestApp, self).__init__((1024, 768), "NanoGUI Test")
self.shader = None
window = Window(self, "Button demo")
window.set_position((15, 15))
window.set_layout(GroupLayout())
Label(window, "Push buttons", "sans-bold")
b = Button(window, "Plain button")
def cb():
print("pushed!")
b.set_callback(cb)
b = Button(window, "Styled", icons.FA_ROCKET)
b.set_background_color(Color(0, 0, 1.0, 0.1))
b.set_callback(cb)
Label(window, "Toggle buttons", "sans-bold")
b = Button(window, "Toggle me")
b.set_flags(Button.Flags.ToggleButton)
def change_cb(state):
print("Toggle button state: %s" % str(state))
b.set_change_callback(change_cb)
Label(window, "Radio buttons", "sans-bold")
b = Button(window, "Radio button 1")
b.set_flags(Button.Flags.RadioButton)
b = Button(window, "Radio button 2")
b.set_flags(Button.Flags.RadioButton)
Label(window, "A tool palette", "sans-bold")
tools = Widget(window)
tools.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
ToolButton(tools, icons.FA_CLOUD)
ToolButton(tools, icons.FA_FAST_FORWARD)
ToolButton(tools, icons.FA_COMPASS)
ToolButton(tools, icons.FA_UTENSILS)
Label(window, "Popup buttons", "sans-bold")
popup_btn = PopupButton(window, "Popup", icons.FA_FLASK)
popup = popup_btn.popup()
popup.set_layout(GroupLayout())
Label(popup, "Arbitrary widgets can be placed here")
CheckBox(popup, "A check box")
# popup right
popup_btn = PopupButton(popup, "Recursive popup", icons.FA_CHART_PIE)
popup_right = popup_btn.popup()
popup_right.set_layout(GroupLayout())
CheckBox(popup_right, "Another check box")
# popup left
popup_btn = PopupButton(popup, "Recursive popup", icons.FA_DNA)
popup_btn.set_side(Popup.Side.Left)
popup_left = popup_btn.popup()
popup_left.set_layout(GroupLayout())
CheckBox(popup_left, "Another check box")
window = Window(self, "Basic widgets")
window.set_position((200, 15))
window.set_layout(GroupLayout())
Label(window, "Message dialog", "sans-bold")
tools = Widget(window)
tools.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
def cb2(result):
print("Dialog result: %i" % result)
b = Button(tools, "Info")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Information, "Title",
"This is an information message")
dlg.set_callback(cb2)
b.set_callback(cb)
b = Button(tools, "Warn")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a warning message")
dlg.set_callback(cb2)
b.set_callback(cb)
b = Button(tools, "Ask")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a question message", "Yes", "No",
True)
dlg.set_callback(cb2)
b.set_callback(cb)
import os
import sys
os.chdir(sys.path[0])
try:
icons_data = nanogui.load_image_directory(self.nvg_context(),
"icons")
except:
try:
icons_data = nanogui.load_image_directory(
self.nvg_context(), "../icons")
except:
icons_data = nanogui.load_image_directory(
self.nvg_context(), "../resources/icons")
Label(window, "Image panel & scroll panel", "sans-bold")
image_panel_btn = PopupButton(window, "Image Panel")
image_panel_btn.set_icon(icons.FA_IMAGES)
popup = image_panel_btn.popup()
vscroll = VScrollPanel(popup)
img_panel = ImagePanel(vscroll)
img_panel.set_images(icons_data)
popup.set_fixed_size((245, 150))
img_window = Window(self, "Selected image")
img_window.set_position((710, 15))
img_window.set_layout(GroupLayout())
img_view = ImageView(img_window)
img_view.set_image(
Texture(icons_data[0][1] + ".png",
Texture.InterpolationMode.Trilinear,
Texture.InterpolationMode.Nearest))
img_view.center()
def cb(i):
print("Selected item %i" % i)
img_view.set_image(
Texture(icons_data[i][1] + ".png",
Texture.InterpolationMode.Trilinear,
Texture.InterpolationMode.Nearest))
img_panel.set_callback(cb)
Label(window, "File dialog", "sans-bold")
tools = Widget(window)
tools.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
b = Button(tools, "Open")
valid = [("png", "Portable Network Graphics"), ("txt", "Text file")]
def cb():
result = nanogui.file_dialog(valid, False)
print("File dialog result = %s" % result)
b.set_callback(cb)
b = Button(tools, "Save")
def cb():
result = nanogui.file_dialog(valid, True)
print("File dialog result = %s" % result)
b.set_callback(cb)
Label(window, "Combo box", "sans-bold")
ComboBox(window,
["Combo box item 1", "Combo box item 2", "Combo box item 3"])
Label(window, "Check box", "sans-bold")
def cb(state):
print("Check box 1 state: %s" % state)
chb = CheckBox(window, "Flag 1", cb)
chb.set_checked(True)
def cb(state):
print("Check box 2 state: %s" % state)
CheckBox(window, "Flag 2", cb)
Label(window, "Progress bar", "sans-bold")
self.progress = ProgressBar(window)
Label(window, "Slider and text box", "sans-bold")
panel = Widget(window)
panel.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 20))
slider = Slider(panel)
slider.set_value(0.5)
slider.set_fixed_width(80)
text_box = TextBox(panel)
text_box.set_fixed_size((60, 25))
text_box.set_value("50")
text_box.set_units("%")
text_box.set_font_size(20)
text_box.set_alignment(TextBox.Alignment.Right)
def cb(value):
text_box.set_value("%i" % int(value * 100))
slider.set_callback(cb)
def cb(value):
print("Final slider value: %i" % int(value * 100))
slider.set_final_callback(cb)
window = Window(self, "Misc. widgets")
window.set_position((425, 15))
window.set_layout(GroupLayout())
tab_widget = TabWidget(window)
layer = Widget(tab_widget)
layer.set_layout(GroupLayout())
tab_widget.append_tab("Color Wheel", layer)
Label(layer, "Color wheel widget", "sans-bold")
ColorWheel(layer)
layer = Widget(tab_widget)
layer.set_layout(GroupLayout())
tab_widget.append_tab("Function Graph", layer)
Label(layer, "Function graph widget", "sans-bold")
graph = Graph(layer, "Some function")
graph.set_header("E = 2.35e-3")
graph.set_footer("Iteration 89")
values = [
0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1)
for i in range(100)
]
graph.set_values(values)
# Dummy tab used to represent the last tab button.
plus_id = tab_widget.append_tab("+", Widget(tab_widget))
def tab_cb(index):
if index == plus_id:
global counter
# When the "+" tab has been clicked, simply add a new tab.
tab_name = "Dynamic {0}".format(counter)
layer_dyn = Widget(tab_widget)
layer_dyn.set_layout(GroupLayout())
new_id = tab_widget.insert_tab(tab_widget.tab_count() - 1,
tab_name, layer_dyn)
Label(layer_dyn, "Function graph widget", "sans-bold")
graph_dyn = Graph(layer_dyn, "Dynamic function")
graph_dyn.set_header("E = 2.35e-3")
graph_dyn.set_footer("Iteration {0}".format(index * counter))
values_dyn = [
0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)
]
graph_dyn.set_values(values_dyn)
counter += 1
# We must invoke the layout manager after adding tabs dynamically
self.perform_layout()
tab_widget.set_selected_id(new_id)
tab_widget.set_callback(tab_cb)
window = Window(self, "Grid of small widgets")
window.set_position((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.set_col_alignment([Alignment.Maximum, Alignment.Fill])
layout.set_spacing(0, 10)
window.set_layout(layout)
Label(window, "Floating point :", "sans-bold")
float_box = TextBox(window)
float_box.set_editable(True)
float_box.set_fixed_size((100, 20))
float_box.set_value("50")
float_box.set_units("GiB")
float_box.set_default_value("0.0")
float_box.set_font_size(16)
float_box.set_format("[-]?[0-9]*\\.?[0-9]+")
Label(window, "Positive integer :", "sans-bold")
int_box = IntBox(window)
int_box.set_editable(True)
int_box.set_fixed_size((100, 20))
int_box.set_value(50)
int_box.set_units("Mhz")
int_box.set_default_value("0")
int_box.set_font_size(16)
int_box.set_format("[1-9][0-9]*")
int_box.set_spinnable(True)
int_box.set_min_value(1)
int_box.set_value_increment(2)
Label(window, "Checkbox :", "sans-bold")
cb = CheckBox(window, "Check me")
cb.set_font_size(16)
cb.set_checked(True)
Label(window, "Combo box :", "sans-bold")
cobo = ComboBox(window, ["Item 1", "Item 2", "Item 3"])
cobo.set_font_size(16)
cobo.set_fixed_size((100, 20))
Label(window, "Color picker :", "sans-bold")
cp = ColorPicker(window, Color(255, 120, 0, 255))
cp.set_fixed_size((100, 20))
def cp_final_cb(color):
print("ColorPicker Final Callback: [{0}, {1}, {2}, {3}]".format(
color.r, color.g, color.b, color.w))
cp.set_final_callback(cp_final_cb)
# setup a fast callback for the color picker widget on a new window
# for demonstrative purposes
window = Window(self, "Color Picker Fast Callback")
window.set_position((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.set_col_alignment([Alignment.Maximum, Alignment.Fill])
layout.set_spacing(0, 10)
window.set_layout(layout)
window.set_position((425, 500))
Label(window, "Combined: ")
b = Button(window, "ColorWheel", icons.FA_INFINITY)
Label(window, "Red: ")
red_int_box = IntBox(window)
red_int_box.set_editable(False)
Label(window, "Green: ")
green_int_box = IntBox(window)
green_int_box.set_editable(False)
Label(window, "Blue: ")
blue_int_box = IntBox(window)
blue_int_box.set_editable(False)
Label(window, "Alpha: ")
alpha_int_box = IntBox(window)
def cp_fast_cb(color):
b.set_background_color(color)
b.set_text_color(color.contrasting_color())
red = int(color.r * 255.0)
red_int_box.set_value(red)
green = int(color.g * 255.0)
green_int_box.set_value(green)
blue = int(color.b * 255.0)
blue_int_box.set_value(blue)
alpha = int(color.w * 255.0)
alpha_int_box.set_value(alpha)
cp.set_callback(cp_fast_cb)
self.perform_layout()
self.render_pass = RenderPass([self])
self.render_pass.set_clear_color(0, Color(0.3, 0.3, 0.32, 1.0))
if nanogui.api == 'opengl':
vertex_shader = """
#version 330
uniform mat4 mvp;
in vec3 position;
void main() {
gl_Position = mvp * vec4(position, 1.0);
}"""
fragment_shader = """
#version 330
out vec4 color;
uniform float intensity;
void main() {
color = vec4(vec3(intensity), 1.0);
}"""
elif nanogui.api == 'gles2' or nanogui.api == 'gles3':
vertex_shader = """
precision highp float;
uniform mat4 mvp;
attribute vec3 position;
void main() {
gl_Position = mvp * vec4(position, 1.0);
}"""
fragment_shader = """
precision highp float;
uniform float intensity;
void main() {
gl_FragColor = vec4(vec3(intensity), 1.0);
}"""
elif nanogui.api == 'metal':
vertex_shader = """
using namespace metal;
struct VertexOut {
float4 position [[position]];
};
vertex VertexOut vertex_main(const device packed_float3 *position,
constant float4x4 &mvp,
uint id [[vertex_id]]) {
VertexOut vert;
vert.position = mvp * float4(position[id], 1.f);
return vert;
}"""
fragment_shader = """
using namespace metal;
fragment float4 fragment_main(const constant float &intensity) {
return float4(intensity);
}"""
self.shader = Shader(
self.render_pass,
# An identifying name
"A simple shader",
vertex_shader,
fragment_shader)
self.shader.set_buffer("indices",
np.array([0, 1, 2, 2, 3, 0], dtype=np.uint32))
self.shader.set_buffer(
"position",
np.array([[-1, -1, 0], [1, -1, 0], [1, 1, 0], [-1, 1, 0]],
dtype=np.float32))
self.shader.set_buffer("intensity", np.array(0.5, dtype=np.float32))
def add_slider(variable_scope,
widget,
variable_name,
min_val,
max_val,
dtype,
callback=None,
logspace=False):
Label(widget, variable_name)
widget = Widget(widget)
widget.setLayout(BoxLayout(Orientation.Horizontal, Alignment.Middle, 0,
20))
slider = Slider(widget)
diff = max_val - min_val
logdiff = np.log(max_val) - np.log(min_val)
if logspace:
slider.setValue(
(np.log(variable_scope.__dict__[variable_name]) - np.log(min_val))
/ logdiff)
else:
slider.setValue(
(variable_scope.__dict__[variable_name] - min_val) / diff)
slider.setFixedWidth(120)
textBox = TextBox(widget)
textBox.setFixedSize((60, 25))
textBox.setEditable(True)
if dtype == int:
textBox.setValue('{:d}'.format(variable_scope.__dict__[variable_name]))
else:
textBox.setValue('{:.3f}'.format(
variable_scope.__dict__[variable_name]))
textBox.setFontSize(20)
textBox.setAlignment(TextBox.Alignment.Right)
# TODO: Somehow the textbox callback is broken?
# def cb_text(value):
# print('type(value): {}'.format(type(value)))
# print('value: {}'.format(value))
# textBox.setCallback(cb_text)
def cb(value):
if logspace:
if dtype == int:
textBox.setValue('{:d}'.format(
int(np.exp(logdiff * value + np.log(min_val)))))
else:
textBox.setValue('{:.3f}'.format(
np.exp(logdiff * value + np.log(min_val))))
else:
if dtype == int:
textBox.setValue('{:d}'.format(int(diff * value + min_val)))
else:
textBox.setValue('{:.3f}'.format(diff * value + min_val))
slider.setCallback(cb)
def cb(value):
if logspace:
variable_scope.__dict__[variable_name] = dtype(
np.exp(logdiff * value + np.log(min_val)))
else:
variable_scope.__dict__[variable_name] = dtype(diff * value +
min_val)
if callback:
callback()
slider.setFinalCallback(cb)
def __init__(self,
variable_scope,
widget,
variable_name,
min_val,
max_val,
dtype,
callback=None,
logspace=False,
slider_width=120,
warp_fun=None,
inv_warp_fun=None):
super().__init__(widget)
if logspace:
warp_fun = np.log
inv_warp_fun = np.exp
if warp_fun is None:
def warp_fun(x):
return x
def inv_warp_fun(x):
return x
self.warp_fun = warp_fun
self.inv_warp_fun = inv_warp_fun
self.variable_scope = variable_scope
self.variable_name = variable_name
self.logspace = logspace
self.min_val = min_val
self.max_val = max_val
self.dtype = dtype
Label(widget, variable_name)
widget = Widget(widget)
widget.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 20))
self.slider = Slider(widget)
diff = warp_fun(max_val) - warp_fun(min_val)
self.slider.setValue(
(warp_fun(variable_scope.__dict__[variable_name]) -
warp_fun(min_val)) / diff)
self.slider.setFixedWidth(slider_width)
self.textBox = TextBox(widget)
self.textBox.setFixedSize((60, 25))
self.textBox.setEditable(True)
if dtype == int:
self.textBox.setValue('{:d}'.format(
variable_scope.__dict__[variable_name]))
else:
self.textBox.setValue('{:.3f}'.format(
variable_scope.__dict__[variable_name]))
self.textBox.setFontSize(20)
self.textBox.setAlignment(TextBox.Alignment.Right)
def cb(value):
try:
value = dtype(value)
except ValueError:
return False
if value < min_val or value > max_val:
return False
self.slider.setValue(
float((warp_fun(value) - warp_fun(min_val)) / diff))
variable_scope.__dict__[variable_name] = value
if callback:
callback()
return True
self.textBox.setCallback(cb)
def cb(value):
format_str = {int: r'{:d}', float: r'{:.3f}'}
self.textBox.setValue(format_str[dtype].format(
dtype(inv_warp_fun(diff * value + warp_fun(min_val)))))
self.slider.setCallback(cb)
def cb(value):
variable_scope.__dict__[variable_name] = dtype(
inv_warp_fun(diff * value + warp_fun(min_val)))
if callback:
callback()
self.slider.setFinalCallback(cb)
def __init__(self):
super(TestApp, self).__init__((1024, 768), "NanoGUI Test")
window = Window(self, "Button demo")
window.setPosition((15, 15))
window.setLayout(GroupLayout())
Label(window, "Push buttons", "sans-bold")
b = Button(window, "Plain button")
def cb():
print("pushed!")
b.setCallback(cb)
b = Button(window, "Styled", entypo.ICON_ROCKET)
b.setBackgroundColor(Color(0, 0, 1.0, 0.1))
b.setCallback(cb)
Label(window, "Toggle buttons", "sans-bold")
b = Button(window, "Toggle me")
b.setFlags(Button.Flags.ToggleButton)
def change_cb(state):
print("Toggle button state: %s" % str(state))
b.setChangeCallback(change_cb)
Label(window, "Radio buttons", "sans-bold")
b = Button(window, "Radio button 1")
b.setFlags(Button.Flags.RadioButton)
b = Button(window, "Radio button 2")
b.setFlags(Button.Flags.RadioButton)
Label(window, "A tool palette", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
ToolButton(tools, entypo.ICON_CLOUD)
ToolButton(tools, entypo.ICON_CONTROLLER_FAST_FORWARD)
ToolButton(tools, entypo.ICON_COMPASS)
ToolButton(tools, entypo.ICON_INSTALL)
Label(window, "Popup buttons", "sans-bold")
popupBtn = PopupButton(window, "Popup", entypo.ICON_EXPORT)
popup = popupBtn.popup()
popup.setLayout(GroupLayout())
Label(popup, "Arbitrary widgets can be placed here")
CheckBox(popup, "A check box")
# popup right
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popupRight = popupBtn.popup()
popupRight.setLayout(GroupLayout())
CheckBox(popupRight, "Another check box")
# popup left
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popupBtn.setSide(Popup.Side.Left)
popupLeft = popupBtn.popup()
popupLeft.setLayout(GroupLayout())
CheckBox(popupLeft, "Another check box")
window = Window(self, "Basic widgets")
window.setPosition((200, 15))
window.setLayout(GroupLayout())
Label(window, "Message dialog", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
def cb2(result):
print("Dialog result: %i" % result)
b = Button(tools, "Info")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Information, "Title",
"This is an information message")
dlg.setCallback(cb2)
b.setCallback(cb)
b = Button(tools, "Warn")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a warning message")
dlg.setCallback(cb2)
b.setCallback(cb)
b = Button(tools, "Ask")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a question message", "Yes", "No",
True)
dlg.setCallback(cb2)
b.setCallback(cb)
import os
import sys
os.chdir(sys.path[0])
try:
icons = nanogui.loadImageDirectory(self.nvgContext(), "icons")
except:
try:
icons = nanogui.loadImageDirectory(self.nvgContext(),
"../icons")
except:
icons = nanogui.loadImageDirectory(self.nvgContext(),
"../resources/icons")
Label(window, "Image panel & scroll panel", "sans-bold")
imagePanelBtn = PopupButton(window, "Image Panel")
imagePanelBtn.setIcon(entypo.ICON_FOLDER)
popup = imagePanelBtn.popup()
vscroll = VScrollPanel(popup)
imgPanel = ImagePanel(vscroll)
imgPanel.setImages(icons)
popup.setFixedSize((245, 150))
img_window = Window(self, "Selected image")
img_window.setPosition((710, 15))
img_window.setLayout(GroupLayout())
imgView = ImageView(img_window, icons[0][0])
def cb(i):
print("Selected item %i" % i)
imgView.bindImage(icons[i][0])
imgPanel.setCallback(cb)
imgView.setGridThreshold(3)
Label(window, "File dialog", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
b = Button(tools, "Open")
valid = [("png", "Portable Network Graphics"), ("txt", "Text file")]
def cb():
result = nanogui.file_dialog(valid, False)
print("File dialog result = %s" % result)
b.setCallback(cb)
b = Button(tools, "Save")
def cb():
result = nanogui.file_dialog(valid, True)
print("File dialog result = %s" % result)
b.setCallback(cb)
Label(window, "Combo box", "sans-bold")
ComboBox(window,
["Combo box item 1", "Combo box item 2", "Combo box item 3"])
Label(window, "Check box", "sans-bold")
def cb(state):
print("Check box 1 state: %s" % state)
chb = CheckBox(window, "Flag 1", cb)
chb.setChecked(True)
def cb(state):
print("Check box 2 state: %s" % state)
CheckBox(window, "Flag 2", cb)
Label(window, "Progress bar", "sans-bold")
self.progress = ProgressBar(window)
Label(window, "Slider and text box", "sans-bold")
panel = Widget(window)
panel.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 20))
slider = Slider(panel)
slider.setValue(0.5)
slider.setFixedWidth(80)
textBox = TextBox(panel)
textBox.setFixedSize((60, 25))
textBox.setValue("50")
textBox.setUnits("%")
textBox.setFontSize(20)
textBox.setAlignment(TextBox.Alignment.Right)
def cb(value):
textBox.setValue("%i" % int(value * 100))
slider.setCallback(cb)
def cb(value):
print("Final slider value: %i" % int(value * 100))
slider.setFinalCallback(cb)
window = Window(self, "Misc. widgets")
window.setPosition((425, 15))
window.setLayout(GroupLayout())
tabWidget = TabWidget(window)
layer = tabWidget.createTab("Color Wheel")
layer.setLayout(GroupLayout())
Label(layer, "Color wheel widget", "sans-bold")
ColorWheel(layer)
layer = tabWidget.createTab("Function Graph")
layer.setLayout(GroupLayout())
Label(layer, "Function graph widget", "sans-bold")
graph = Graph(layer, "Some function")
graph.setHeader("E = 2.35e-3")
graph.setFooter("Iteration 89")
values = [
0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1)
for i in range(100)
]
graph.setValues(values)
tabWidget.setActiveTab(0)
# Dummy tab used to represent the last tab button.
tabWidget.createTab("+")
def tab_cb(index):
if index == (tabWidget.tabCount() - 1):
global counter
# When the "+" tab has been clicked, simply add a new tab.
tabName = "Dynamic {0}".format(counter)
layerDyn = tabWidget.createTab(index, tabName)
layerDyn.setLayout(GroupLayout())
Label(layerDyn, "Function graph widget", "sans-bold")
graphDyn = Graph(layerDyn, "Dynamic function")
graphDyn.setHeader("E = 2.35e-3")
graphDyn.setFooter("Iteration {0}".format(index * counter))
valuesDyn = [
0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)
]
graphDyn.setValues(valuesDyn)
counter += 1
# We must invoke perform layout from the screen instance to keep everything in order.
# This is essential when creating tabs dynamically.
self.performLayout()
# Ensure that the newly added header is visible on screen
tabWidget.ensureTabVisible(index)
tabWidget.setCallback(tab_cb)
tabWidget.setActiveTab(0)
window = Window(self, "Grid of small widgets")
window.setPosition((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.setColAlignment([Alignment.Maximum, Alignment.Fill])
layout.setSpacing(0, 10)
window.setLayout(layout)
Label(window, "Floating point :", "sans-bold")
floatBox = TextBox(window)
floatBox.setEditable(True)
floatBox.setFixedSize((100, 20))
floatBox.setValue("50")
floatBox.setUnits("GiB")
floatBox.setDefaultValue("0.0")
floatBox.setFontSize(16)
floatBox.setFormat("[-]?[0-9]*\\.?[0-9]+")
Label(window, "Positive integer :", "sans-bold")
intBox = IntBox(window)
intBox.setEditable(True)
intBox.setFixedSize((100, 20))
intBox.setValue(50)
intBox.setUnits("Mhz")
intBox.setDefaultValue("0")
intBox.setFontSize(16)
intBox.setFormat("[1-9][0-9]*")
intBox.setSpinnable(True)
intBox.setMinValue(1)
intBox.setValueIncrement(2)
Label(window, "Checkbox :", "sans-bold")
cb = CheckBox(window, "Check me")
cb.setFontSize(16)
cb.setChecked(True)
Label(window, "Combo box :", "sans-bold")
cobo = ComboBox(window, ["Item 1", "Item 2", "Item 3"])
cobo.setFontSize(16)
cobo.setFixedSize((100, 20))
Label(window, "Color picker :", "sans-bold")
cp = ColorPicker(window, Color(255, 120, 0, 255))
cp.setFixedSize((100, 20))
def cp_final_cb(color):
print("ColorPicker Final Callback: [{0}, {1}, {2}, {3}]".format(
color.r, color.g, color.b, color.w))
cp.setFinalCallback(cp_final_cb)
# setup a fast callback for the color picker widget on a new window
# for demonstrative purposes
window = Window(self, "Color Picker Fast Callback")
window.setPosition((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.setColAlignment([Alignment.Maximum, Alignment.Fill])
layout.setSpacing(0, 10)
window.setLayout(layout)
window.setPosition((425, 500))
Label(window, "Combined: ")
b = Button(window, "ColorWheel", entypo.ICON_500PX)
Label(window, "Red: ")
redIntBox = IntBox(window)
redIntBox.setEditable(False)
Label(window, "Green: ")
greenIntBox = IntBox(window)
greenIntBox.setEditable(False)
Label(window, "Blue: ")
blueIntBox = IntBox(window)
blueIntBox.setEditable(False)
Label(window, "Alpha: ")
alphaIntBox = IntBox(window)
def cp_fast_cb(color):
b.setBackgroundColor(color)
b.setTextColor(color.contrastingColor())
red = int(color.r * 255.0)
redIntBox.setValue(red)
green = int(color.g * 255.0)
greenIntBox.setValue(green)
blue = int(color.b * 255.0)
blueIntBox.setValue(blue)
alpha = int(color.w * 255.0)
alphaIntBox.setValue(alpha)
cp.setCallback(cp_fast_cb)
self.performLayout()
try:
import numpy as np
self.shader = GLShader()
self.shader.init(
# An identifying name
"a_simple_shader",
# Vertex shader
"""#version 330
uniform mat4 modelViewProj;
in vec3 position;
void main() {
gl_Position = modelViewProj * vec4(position, 1.0);
}""",
"""#version 330
out vec4 color;
uniform float intensity;
void main() {
color = vec4(vec3(intensity), 1.0);
}""")
# Draw 2 triangles
indices = np.array([[0, 2], [1, 3], [2, 0]], dtype=np.int32)
positions = np.array(
[[-1, 1, 1, -1], [-1, -1, 1, 1], [0, 0, 0, 0]],
dtype=np.float32)
self.shader.bind()
self.shader.uploadIndices(indices)
self.shader.uploadAttrib("position", positions)
self.shader.setUniform("intensity", 0.5)
except ImportError:
self.shader = None
pass
def meter():
print('meter')
refresh(st7735, True) # Clear any prior image
title = Label(wri,
2,
10,
'SHT30 measurements',
fgcolor=Display.WHITE,
bdcolor=Display.WHITE)
tempLabel = Label(wri,
110,
2,
'32.4 deg C',
fgcolor=Display.WHITE,
bdcolor=Display.BLACK)
humiLabel = Label(wri,
110,
80,
'42 %',
fgcolor=Display.WHITE,
bdcolor=Display.BLACK)
mtemp = Meter(wri,
25,
2,
height=70,
divisions=5,
ptcolor=Display.YELLOW,
label='temperature',
style=Meter.BAR,
legends=('0', '10', '20', '30', '40', '50'))
mhumi = Meter(wri,
25,
80,
height=70,
divisions=5,
ptcolor=Display.YELLOW,
label='humidity',
style=Meter.BAR,
legends=('0', '20', '40', '60', '80', '100'))
steps = 11
for i in range(steps):
tempC, humi = sht30.getTempAndHumi(clockStretching=SHT3X.CLOCK_STRETCH,
repeatability=SHT3X.REP_S_HIGH)
#print("Temperature: ",tempC,"°C, Humidity: ",humi,"%")
humiText = "{0:.1f} %".format(humi)
tempText = "{0:.1f} deg C".format(tempC)
t = tempC / 50.0
h = humi / 100.0
mtemp.value(t)
mhumi.value(h)
tempLabel.value(tempText)
humiLabel.value(humiText)
#print(humiText)
refresh(st7735)
utime.sleep(1)
refresh(st7735)