def add_button(text=None, callback=None, scr=None, y=700):
"""Helper function that creates a button with a text label"""
if scr is None:
scr = lv.scr_act()
btn = lv.btn(scr)
btn.set_width(HOR_RES - 2 * PADDING)
btn.set_height(BTN_HEIGHT)
if text is not None:
lbl = lv.label(btn)
lbl.set_text(text)
lbl.set_align(lv.label.ALIGN.CENTER)
btn.align(scr, lv.ALIGN.IN_TOP_MID, 0, 0)
btn.set_y(y)
if callback is not None:
btn.set_event_cb(callback)
return btn
def screen_init():
sda_pin = machine.Pin(23)
scl_pin = machine.Pin(32)
i2c = machine.I2C(id=1, scl=scl_pin, sda=sda_pin, speed=400000)
ts.init(i2c)
tft.init(tft.ST7789, width=240, invrot=3, rot=1, bgr=False, height=240, miso=2, mosi=19, clk=18, cs=5, dc=27,
speed=40000000, color_bits=tft.COLOR_BITS16, backl_pin=12, backl_on=1)
tft.clear(tft.RED)
time.sleep(1)
tft.clear(tft.GREEN)
time.sleep(1)
tft.clear(tft.BLUE)
time.sleep(1)
lv.init()
disp_buf1 = lv.disp_buf_t()
buf1_1 = bytes(240 * 10)
lv.disp_buf_init(disp_buf1, buf1_1, None, len(buf1_1) // 4)
disp_drv = lv.disp_drv_t()
lv.disp_drv_init(disp_drv)
disp_drv.buffer = disp_buf1
disp_drv.flush_cb = lv_h.flush
disp_drv.hor_res = 240
disp_drv.ver_res = 240
lv.disp_drv_register(disp_drv)
indev_drv = lv.indev_drv_t()
lv.indev_drv_init(indev_drv)
indev_drv.type = lv.INDEV_TYPE.POINTER
indev_drv.read_cb = lv_h.read
lv.indev_drv_register(indev_drv)
scr = lv.obj()
btn = lv.btn(scr)
btn.align(lv.scr_act(), lv.ALIGN.CENTER, 0, 0)
label = lv.label(btn)
label.set_text("Button")
lv.scr_load(scr)
def __init__(self, points, calibrate, touch_count=5):
self.points = points
self.calibrate = calibrate
self.touch_count = touch_count
self.med = [lv.point_t() for i in range(0, self.touch_count)
] # Storage point to calculate median
self.cur_point = 0
self.cur_touch = 0
self.scr = lv.obj(None, None)
self.scr.set_size(TP_MAX_VALUE, TP_MAX_VALUE)
lv.scr_load(self.scr)
# Create a big transparent button screen to receive clicks
self.big_btn = lv.btn(lv.scr_act(), None)
self.big_btn.set_size(TP_MAX_VALUE, TP_MAX_VALUE)
self.big_btn.set_style(lv.btn.STYLE.REL, lv.style_transp)
self.big_btn.set_style(lv.btn.STYLE.PR, lv.style_transp)
self.big_btn.set_layout(lv.LAYOUT.OFF)
self.big_btn.set_event_cb(
lambda obj, event, self=self: self.calibrate_clicked()
if event == lv.EVENT.CLICKED else None)
# Create the screen, circle and label
self.label_main = lv.label(lv.scr_act(), None)
style_circ = lv.style_t()
lv.style_copy(style_circ, lv.style_pretty_color)
style_circ.body.radius = LV_RADIUS_CIRCLE
self.circ_area = lv.obj(lv.scr_act(), None)
self.circ_area.set_size(CIRCLE_SIZE, CIRCLE_SIZE)
self.circ_area.set_style(style_circ)
self.circ_area.set_click(False)
self.show_circle()
def __init__(self, app, page):
self.app = app
self.page = page
self.btn1 = SymbolButton(page, lv.SYMBOL.PLAY, "Play")
self.btn1.set_size(140, 100)
self.btn1.align(None, lv.ALIGN.IN_TOP_LEFT, 20, 0)
self.btn2 = SymbolButton(page, lv.SYMBOL.PAUSE, "Pause")
self.btn2.set_size(140, 100)
self.btn2.align(self.btn1, lv.ALIGN.OUT_RIGHT_TOP, 10, 0)
self.label = lv.label(page)
self.label.align(self.btn1, lv.ALIGN.OUT_BOTTOM_LEFT, 0, 10)
# Currently only single callback per object is supported
for btn, name in [(self.btn1, 'Play'), (self.btn2, 'Pause')]:
btn.set_action(lv.btn.ACTION.CLICK,
lambda action, name=name: self.label.set_text(
'%s click' % name) or lv.RES.OK)
def __init__(self, app, page):
self.app = app
self.page = page
self.btn1 = SymbolButton(page, lv.SYMBOL.PLAY, "Play")
self.btn1.set_size(140, 100)
self.btn1.align(page, lv.ALIGN.IN_TOP_LEFT, 30, 30)
self.btn2 = SymbolButton(page, lv.SYMBOL.PAUSE, "Pause")
self.btn2.set_size(140, 100)
self.btn2.align(page, lv.ALIGN.IN_TOP_RIGHT, -30, 30)
self.label = lv.label(page)
self.label.align(page, lv.ALIGN.IN_BOTTOM_LEFT, 30, -30)
# Currently only single callback per object is supported
for btn, name in [(self.btn1, 'Play'), (self.btn2, 'Pause')]:
btn.set_event_cb(
lambda obj=None, event=-1, name=name: self.label.set_text(
'%s %s' % (name, get_member_name(lv.EVENT, event))))
def copy_open_icon_event_cb(self, obj, evt):
if evt == lv.EVENT.CLICKED:
self.anim_out_all(lv.scr_act(), 0)
self.log.debug("copy_open_icon_event_cb")
self.scan_btn_txt = "NEXT"
delay = 200
self.anim_bg(150, LV_DEMO_PRINTER_BLUE,
self.LV_DEMO_PRINTER_BG_FULL)
arc = self.add_loader(self.scan_anim_ready)
arc.align(None, lv.ALIGN.CENTER, 0, -40)
txt = lv.label(lv.scr_act(), None)
txt.set_text("Scanning, please wait...")
self.theme.apply(txt, LV_DEMO_PRINTER_THEME_LABEL_WHITE)
txt.align(arc, lv.ALIGN.OUT_BOTTOM_MID, 0, 60)
self.anim_in(arc, delay)
delay += self.LV_DEMO_PRINTER_ANIM_DELAY
self.anim_in(txt, delay)
self.icon_generic_event_cb(obj, evt)
def __init__(self,
title,
message,
button_text=(lv.SYMBOL.LEFT + " Back"),
note=None):
super().__init__()
self.title = add_label(title, scr=self, style="title")
obj = self.title
if note is not None:
self.note = add_label(note, scr=self, style="hint")
self.note.align(self.title, lv.ALIGN.OUT_BOTTOM_MID, 0, 5)
obj = self.note
self.page = lv.page(self)
self.page.set_size(480, 600)
self.message = add_label(message, scr=self.page)
self.page.align(obj, lv.ALIGN.OUT_BOTTOM_MID, 0, 0)
self.close_button = add_button(scr=self,
callback=on_release(self.release))
self.close_label = lv.label(self.close_button)
self.close_label.set_text(button_text)
def __init__(self, app, page):
self.app = app
self.page = page
# slider
self.slider = lv.slider(page)
self.slider.align(page, lv.ALIGN.IN_TOP_LEFT, 20, 0)
self.slider_label = lv.label(page)
self.slider_label.align(self.slider, lv.ALIGN.OUT_RIGHT_MID, 15, 0)
self.slider.set_action(self.on_slider_changed)
self.on_slider_changed(0)
# style selector
self.styles = [('Plain', lv.style_plain),
('Plain color', lv.style_plain_color),
('Pretty', lv.style_pretty),
('Pretty color', lv.style_pretty_color)]
self.style_selector = lv.ddlist(page)
self.style_selector.align(self.slider, lv.ALIGN.IN_BOTTOM_LEFT, 0, 40)
self.style_selector.set_options('\n'.join(x[0] for x in self.styles))
self.style_selector.set_action(self.on_style_selector_changed)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.qr = lvqr.QRCode(self)
self._text = "Text"
# self.label.set_long_mode(lv.label.LONG.BREAK)
# self.label.set_align(lv.label.ALIGN.CENTER)
self._original_size = None
self._press_start = None
self.note = lv.label(self)
style = lv.style_t()
lv.style_copy(style, qr_style)
style.text.font = lv.font_roboto_16
style.text.color = lv.color_hex(0x192432)
self.note.set_style(0, style)
self.note.set_text("")
self.note.set_align(lv.label.ALIGN.CENTER)
self.set_text(self._text)
self.task = asyncio.create_task(self.animate())
self.set_event_cb(self.cb)
def draw_melting_dash_line(self, y_point, melting_temp):
"""
Draw melting temp with dashed line over the chart
"""
# Container for dashed line
style_cont = lv.style_t()
lv.style_copy(style_cont, lv.style_transp)
dashed_segments = 10
dashed_cont = lv.cont(self.chart)
dashed_cont.set_style(lv.line.STYLE.MAIN, style_cont)
dashed_cont.set_width(GUI.CHART_WIDTH)
# Draw dashed line
style_dash_line = lv.style_t()
lv.style_copy(style_dash_line, lv.style_transp)
style_dash_line.line.color = lv.color_make(0xFF, 0x68, 0x33)
style_dash_line.line.width = 3
dash_width = int(GUI.CHART_WIDTH / (dashed_segments * 2 - 1))
dashed_points = [
{'x': 0, 'y': 0},
{'x': dash_width, 'y': 0}
]
dashed_line0 = lv.line(dashed_cont)
dashed_line0.set_points(dashed_points, len(dashed_points))
dashed_line0.set_style(lv.line.STYLE.MAIN, style_dash_line)
dashed_line0.align(None, lv.ALIGN.IN_LEFT_MID, 0, 0)
for i in range(dashed_segments - 1):
dl_name = 'dashed_line' + str(i+1)
parent_name = 'dashed_line' + str(i)
locals()[dl_name] = lv.line(dashed_cont, dashed_line0)
locals()[dl_name].align(None, lv.ALIGN.IN_LEFT_MID, dash_width * (i+1) * 2, 0)
# Melting temp
melt_label = lv.label(dashed_cont)
melt_label.set_recolor(True)
melt_label.set_text('#FF6833 ' + str(melting_temp) + '#')
# Put above elements in place
dashed_cont.align_origo(self.chart, lv.ALIGN.IN_BOTTOM_MID, 0, -y_point)
melt_label.align(dashed_cont, lv.ALIGN.IN_TOP_LEFT, 8, 12)
return dashed_cont
def __init__(self, parent):
super().__init__(parent)
self.set_title("Pop")
msg_box_close_btn = self.add_btn_right(lv.SYMBOL.CLOSE)
msg_box_close_btn.set_event_cb(
lambda obj, e: e == lv.EVENT.RELEASED and self.close_msg_box())
self.set_style_local_pad_left(self.PART.HEADER, lv.STATE.DEFAULT, 20)
self.set_style_local_bg_color(self.PART.HEADER, lv.STATE.DEFAULT,
lv.color_hex3(0xFEE))
self.set_style_local_bg_color(self.PART.BG, lv.STATE.DEFAULT,
lv.color_hex3(0xFFF))
self.set_style_local_border_side(
self.PART.HEADER, lv.STATE.DEFAULT,
lv.BORDER_SIDE.LEFT | lv.BORDER_SIDE.RIGHT | lv.BORDER_SIDE.TOP)
self.set_style_local_border_width(self.PART.HEADER, lv.STATE.DEFAULT,
4)
self.set_style_local_border_color(self.PART.HEADER, lv.STATE.DEFAULT,
lv.color_hex3(0xF88))
self.set_style_local_border_width(self.PART.BG, lv.STATE.DEFAULT, 4)
self.set_style_local_border_color(self.PART.BG, lv.STATE.DEFAULT,
lv.color_hex3(0xF88))
self.set_style_local_shadow_color(self.PART.BG, lv.STATE.DEFAULT,
lv.color_hex3(0x000))
self.set_style_local_shadow_opa(self.PART.BG, lv.STATE.DEFAULT, 50)
self.set_style_local_shadow_width(self.PART.BG, lv.STATE.DEFAULT, 20)
self.set_style_local_shadow_ofs_x(self.PART.BG, lv.STATE.DEFAULT, 10)
self.set_style_local_shadow_ofs_y(self.PART.BG, lv.STATE.DEFAULT, 10)
self.set_style_local_shadow_spread(self.PART.BG, lv.STATE.DEFAULT, 0)
self.set_style_local_radius(self.PART.HEADER, lv.STATE.DEFAULT, 10)
self.set_style_local_radius(self.PART.BG, lv.STATE.DEFAULT, 10)
self.set_content_size(100, 40)
self.set_layout(lv.LAYOUT.CENTER)
self.label = lv.label(self)
self.set_top(True)
self.set_drag(True)
self.opened = True
def __init__(self, config):
self.config = config
self.sensor = MAX31855(hwspi=self.config['max31855_pins']['hwspi'],
cs=self.config['max31855_pins']['cs'],
miso=self.config['max31855_pins']['miso'],
sck=self.config['max31855_pins']['sck'],
offset=self.config['temp_offset'])
self.oven = machine.Pin(self.config['oven_pin'], machine.Pin.OUT, value=0)
self.temp_cali_scr = lv.obj()
self.page = lv.page(self.temp_cali_scr)
self.page.set_size(self.temp_cali_scr.get_width(), self.temp_cali_scr.get_height())
self.page.align(None, lv.ALIGN.CENTER, 0, 0)
self.label = lv.label(self.page)
self.label.set_long_mode(lv.label.LONG.BREAK)
self.label.set_width(self.page.get_fit_width())
self.page_text = ''
self.tim = machine.Timer(-1)
self.start_time = None
self.start_temp = None
self.last_temp = None
self.lag_temp = None
self.lag_time = None
self.cooling_counter = 0
self.check_temp = 100
def widget_set_text(obj, text):
if not obj in sys.modules['llvgl'].config["objects"]: return
if not text: return;
# text may actually be an array of texts
if isinstance(text, str):
text = [ text ]
if len(text) < 1: return
lv_obj = obj["lv_obj"]
if obj["type"] == TYPE.LABEL or obj["type"] == TYPE.CHECKBOX:
lv_obj.set_text(text[0])
elif obj["type"] == TYPE.BUTTON:
# make sure there is a label in that button
if not "lv_label" in obj:
obj["lv_label"] = lv.label(lv_obj)
obj["lv_label"].set_text(text[0])
elif obj["type"] == TYPE.DROPDOWN:
lv_obj.set_options("\n".join(text))
# setting the text may resize the object and we need to re-apply alignment
update_alignment(obj)
def m6(): #wifi
def btn_event(obj, event):
if obj == btn2 and event == lv.EVENT.CLICKED:
m5()
if obj == ta and event == lv.EVENT.CLICKED:
kb = lv.keyboard(scr)
kb.set_textarea(ta)
scr = lv.obj()
lv.scr_load(scr)
tab = lv.tabview(scr)
tab1 = tab.add_tab("Wifi Settings")
btn2 = lv.btn(tab)
btn2.align(tab, lv.ALIGN.IN_TOP_LEFT, 0, 0)
lbl_btn2 = lv.label(btn2)
lbl_btn2.set_text(lv.SYMBOL.HOME)
btn2.set_fit(lv.FIT.TIGHT)
btn2.set_event_cb(btn_event)
cont = lv.cont(tab1)
cont.align(tab1, lv.ALIGN.IN_TOP_MID, 0, 20)
cont.set_fit2(lv.FIT.TIGHT, lv.FIT.TIGHT)
ta = lv.textarea(cont)
ta.align(cont, lv.ALIGN.IN_TOP_MID, 0, 10)
ta.set_one_line(True)
ta.set_event_cb(btn_event)
btn = lv.btn(cont)
btn.align(ta, lv.ALIGN.OUT_BOTTOM_MID, 0, 0)
# initialize lvgl
#
import lvgl as lv
import display_driver
from lv_colors import lv_colors
style = lv.style_t()
style.init()
# Set a background color and a radius
style.set_radius(lv.STATE.DEFAULT, 5)
style.set_bg_opa(lv.STATE.DEFAULT, lv.OPA.COVER)
style.set_bg_color(lv.STATE.DEFAULT, lv_colors.SILVER)
style.set_border_width(lv.STATE.DEFAULT, 2)
style.set_border_color(lv.STATE.DEFAULT, lv_colors.BLUE)
style.set_pad_top(lv.STATE.DEFAULT, 10)
style.set_pad_bottom(lv.STATE.DEFAULT, 10)
style.set_pad_left(lv.STATE.DEFAULT, 10)
style.set_pad_right(lv.STATE.DEFAULT, 10)
style.set_text_color(lv.STATE.DEFAULT, lv_colors.BLUE)
style.set_text_letter_space(lv.STATE.DEFAULT, 5)
style.set_text_line_space(lv.STATE.DEFAULT, 20)
style.set_text_decor(lv.STATE.DEFAULT, lv.TEXT_DECOR.UNDERLINE)
# Create an object with the new style
obj = lv.label(lv.scr_act(), None)
obj.add_style(lv.label.PART.MAIN, style)
obj.set_text("Text of\n" "a label")
obj.align(None, lv.ALIGN.CENTER, 0, 0)
#!/opt/bin/lv_micropython -i
import lvgl as lv
import display_driver
import time
# Set a very visible color for the screen to clearly see what happens
lv.scr_act().set_style_local_bg_color(lv.obj.PART.MAIN, lv.STATE.DEFAULT,
lv.color_hex3(0xf33))
om = lv.objmask(lv.scr_act(), None)
om.set_size(200, 200)
om.align(None, lv.ALIGN.CENTER, 0, 0)
label = lv.label(om, None)
label.set_long_mode(lv.label.LONG.BREAK)
label.set_align(lv.label.ALIGN.CENTER)
label.set_width(180)
label.set_text("This label will be masked out. See how it works.")
label.align(None, lv.ALIGN.IN_TOP_MID, 0, 20)
cont = lv.cont(om, None)
cont.set_size(180, 100)
cont.set_drag(True)
cont.align(None, lv.ALIGN.IN_BOTTOM_MID, 0, -10)
btn = lv.btn(cont, None)
btn.align(None, lv.ALIGN.CENTER, 0, 0)
btn.set_style_local_value_str(lv.btn.PART.MAIN, lv.STATE.DEFAULT, "Button")
lv.refr_now(None)
t = lv.tick_get()
while lv.tick_elaps(t) < 1000:
def m4():
scr = lv.obj()
lv.scr_load(scr)
#container for drop and switch
cont = lv.cont(scr)
cont.set_auto_realign(True)
cont.set_fit2(lv.FIT.PARENT, lv.FIT.TIGHT)
cont.set_layout(lv.LAYOUT.PRETTY_MID)
cont.align(scr, lv.ALIGN.IN_TOP_MID, 0, 0)
#dropdown
drop = lv.dropdown(cont)
drop.set_style_local_border_post(lv.BORDER_SIDE.NONE, lv.BORDER_SIDE.NONE,
lv.BORDER_SIDE.NONE)
drop.set_options(
"Trigger 1\nTrigger 2\nTrigger 3\nTrigger 4\nTrigger 5\nTrigger 6\nTrigger 7\nTrigger 8\nTrigger 9\n Trigger 10"
)
#label
lbl1 = lv.label(cont)
lbl1.set_text("Arm?")
#switch
switch = lv.switch(cont)
#tabview
tab = lv.tabview(scr)
tab.align(cont, lv.ALIGN.OUT_BOTTOM_MID, 0, 0)
tab1 = tab.add_tab("Time")
tab2 = tab.add_tab("Auto")
tab3 = tab.add_tab("Switches")
#tab1
lbl2 = lv.label(tab1)
lbl2.set_text("Start time [h][m][s]")
lbl2.align(tab1, lv.ALIGN.IN_TOP_MID, 0, 0)
trig_btn = lv.btnmatrix(tab1)
trig_btn.set_height(200)
trig_btn.align(lbl2, lv.ALIGN.OUT_BOTTOM_MID, 0, 0)
def remap():
btn_map = [
lv.SYMBOL.UP, lv.SYMBOL.UP, lv.SYMBOL.UP, "\n",
str(trigger[0].bhour),
str(trigger[0].bminute),
str(trigger[0].bsecond), "\n", lv.SYMBOL.DOWN, lv.SYMBOL.DOWN,
lv.SYMBOL.DOWN, "\n", lv.SYMBOL.SAVE, "", ""
]
print('remapped called')
return btn_map
trig_btn.set_map(remap())
#trig_btn.set_style
def event_handler(obj, event):
if event == lv.EVENT.VALUE_CHANGED:
txt = obj.get_active_btn()
print("{} was pressed".format(txt))
if (txt == 0):
trigger[0].bhour += 1
if (txt == 1):
trigger[0].bminute += 1
if (txt == 2):
trigger[0].bsecond += 1
if (txt == 6):
trigger[0].bhour -= 1
if (txt == 7):
trigger[0].bminute -= 1
if (txt == 8):
trigger[0].bsecond -= 1
trig_btn.set_map(remap())
trig_btn.set_event_cb(event_handler)
#label set duration
lbl3 = lv.label(tab1)
lbl3.align(trig_btn, lv.ALIGN.OUT_BOTTOM_MID, -100, 0)
lbl3.set_text("Set trigger duration [h][m][s]")
roller = lv.roller(tab1)
def m3():
global trigger
print("This is callback for M3")
scr = lv.obj()
lv.scr_load(scr)
#make container
con = lv.cont(scr)
con.set_auto_realign(True)
#con.set_layout(lv.LAYOUT.PRETTY_TOP)
con.align(scr, lv.ALIGN.IN_TOP_MID, 0, 0)
con.set_fit2(lv.FIT.PARENT, lv.FIT.TIGHT)
con.set_style_local_radius(0, 0, 0)
#label = lv.label(con)
#label.set_text("Trigger No:")
#label.align(con, lv.ALIGN.IN_TOP_LEFT,10,10)
drop = lv.dropdown(con)
drop.align(con, lv.ALIGN.IN_LEFT_MID, 10, 0)
drop.set_drag(False)
drop.set_options(
"trigger 1\ntrigger 2\ntrigger 3\ntrigger 4\ntrigger 5\ntrigger 6\ntrigger 7\n"
)
drop.set_event_cb(lambda obj, event: m3_1()
if event == lv.EVENT.VALUE_CHANGED else None)
btn = lv.btn(con)
label_btn = lv.label(btn)
btn.set_height(drop.get_height())
label_btn.set_text("New")
btn.align(con, lv.ALIGN.IN_RIGHT_MID, -10, 0)
def m3_1():
#load values to begin and duration
con2 = lv.cont(scr)
con2.align(con, lv.ALIGN.OUT_BOTTOM_MID, 0, 0)
con2.set_fit2(lv.FIT.PARENT, lv.FIT.TIGHT)
con2.set_style_local_radius(0, 0, 0)
position = drop.get_selected()
con3 = lv.cont(con2)
con3.align(con2, lv.ALIGN.IN_TOP_MID, 0, 0)
con3.set_fit2(lv.FIT.PARENT, lv.FIT.TIGHT)
tittle = lv.label(con3)
tittle.align(con3, lv.ALIGN.CENTER, 0, 0)
tittle.set_text("Set Begin Time")
minute_btn = lv.btn(con2)
minute_btn.align(con3, lv.ALIGN.OUT_BOTTOM_MID, 0, 0)
minute_btn.set_style_local_radius(0, 0, 0)
minute_btn.set_fit(lv.FIT.TIGHT)
lbl_minute_btn = lv.label(minute_btn)
lbl_minute_btn.set_text(str(trigger[position].bminute))
hour_btn = lv.btn(con2)
hour_btn.align(minute_btn, lv.ALIGN.OUT_LEFT_MID, 0, 0)
hour_btn.set_style_local_radius(0, 0, 0)
hour_btn.set_fit(lv.FIT.TIGHT)
lbl_hour_btn = lv.label(hour_btn)
lbl_hour_btn.set_text(str(trigger[position].bhour))
second_btn = lv.btn(con2)
second_btn.align(minute_btn, lv.ALIGN.OUT_RIGHT_MID, 0, 0)
second_btn.set_style_local_radius(0, 0, 0)
second_btn.set_fit(lv.FIT.TIGHT)
lvl_second_btn = lv.label(second_btn)
lvl_second_btn.set_text(str(trigger[position].bsecond))
m3_1()
#!/opt/bin/lv_micropython -i
import time
import lvgl as lv
import display_driver
#
# A default slider with a label displaying the current value
#
def slider_event_cb(e):
slider = lv.slider.__cast__(e.get_target())
slider_label.set_text("{:d}%".format(slider.get_value()))
slider_label.align_to(slider, lv.ALIGN.OUT_BOTTOM_MID, 0, 10)
# Create a slider in the center of the display
slider = lv.slider(lv.scr_act())
slider.center()
slider.add_event_cb(slider_event_cb, lv.EVENT.VALUE_CHANGED, None)
# Create a label below the slider
slider_label = lv.label(lv.scr_act())
slider_label.set_text("0%")
slider_label.align_to(slider, lv.ALIGN.OUT_BOTTOM_MID, 0, 10)
import display_driver
def event_handler(source, evt):
if evt == lv.EVENT.VALUE_CHANGED:
# print(slider.get_value())
slider_label.set_text(str(slider.get_value()))
# Create a slider in the center of the display
slider = lv.slider(lv.scr_act(), None)
slider.set_width(200)
slider.align(None, lv.ALIGN.CENTER, 0, 0)
slider.set_event_cb(event_handler)
slider.set_range(0, 100)
# Create a label below the slider
slider_label = lv.label(lv.scr_act(), None)
slider_label.set_text("0")
slider_label.set_auto_realign(True)
slider_label.align(slider, lv.ALIGN.OUT_BOTTOM_MID, 0, 10)
# Create an informative label
info_label = lv.label(lv.scr_act(), None)
info_label.set_text("""Welcome to the slider +
label demo!
Move the slider
and see that the label
updates to match it.""")
info_label.align(None, lv.ALIGN.IN_TOP_LEFT, 10, 10)
WIFI_Connect() #连接WiFi
#Create a style based on style_plain
mystyle = lv.style_t(lv.style_plain)
#mystyle.text.font = roboto_80 # font roboto 80 pixel
mystyle.text.font = lv.font_roboto_28
mystyle.body.main_color = lv.color_hex(0x000000) # background top color (main), 0xRRGGBB
mystyle.body.grad_color = lv.color_hex(0x000000) # background bottom color (gradient), 0xRRGGBB
mystyle.text.color = lv.color_hex(0xffffff) # text-colour, 0xRRGGBB
#Create screen and labels
scr = lv.obj()
scr.set_style(mystyle)
LOGO = lv.label(scr)
LOGO.set_pos(0,0)
LOGO.set_drag(True)
LOGO.set_text("01Studio")
WIFI_ICON = lv.label(scr)
WIFI_ICON.set_pos(200,0)
WIFI_ICON.set_drag(True)
WIFI_ICON.set_text(lv.SYMBOL.WIFI)
DATE = lv.label(scr)
DATE.set_pos(0,64)
DATE.set_drag(True)
TIME = lv.label(scr)
TIME.set_pos(0,128)
def main_page(self, tile_num):
# create the GUI
self.weather_app_tile = self.mainbar.get_tile_obj(tile_num)
weather_style = lv.style_t()
weather_style.copy(self.mainbar.get_style())
weather_cont = lv.obj(self.weather_app_tile, None)
weather_cont.set_size(lv.scr_act().get_disp().driver.hor_res, 30)
weather_cont.add_style(lv.cont.PART.MAIN, weather_style)
# create date label and left right buttons
btn_style = lv.style_t()
btn_style.copy(weather_style)
btn_style.set_radius(lv.btn.STATE.RELEASED, 2)
self.left_button = lv.btn(weather_cont, None)
self.left_button.set_size(25, 25)
self.left_button.add_style(lv.btn.PART.MAIN, btn_style)
left_label = lv.label(self.left_button, None)
left_label.set_text(lv.SYMBOL.LEFT)
self.left_button.align(weather_cont, lv.ALIGN.IN_LEFT_MID, 5, 0)
self.left_button.set_hidden(True)
self.left_button.set_event_cb(self.decrement_day)
self.date_label = lv.label(weather_cont, None)
self.date_label.set_text(self.date[self.day_index])
self.date_label.align(weather_cont, lv.ALIGN.CENTER, 0, 0)
self.right_button = lv.btn(weather_cont, None)
self.right_button.set_size(25, 25)
self.right_button.add_style(lv.btn.PART.MAIN, btn_style)
right_label = lv.label(self.right_button, None)
right_label.set_text(lv.SYMBOL.RIGHT)
self.right_button.align(weather_cont, lv.ALIGN.IN_RIGHT_MID, -5, 0)
self.right_button.set_event_cb(self.increment_day)
icon_cont_style = lv.style_t()
icon_cont_style.copy(weather_style)
icon_cont_style.set_bg_opa(lv.obj.PART.MAIN, lv.OPA.TRANSP)
icon_cont = lv.cont(self.weather_app_tile, None)
icon_cont.set_layout(lv.LAYOUT.COLUMN_LEFT)
icon_cont.add_style(lv.cont.PART.MAIN, icon_cont_style)
icon_cont.set_fit(lv.FIT.TIGHT)
self.icon = lv.img(icon_cont, None)
key_list = list(self.icon_filename.keys())
self.log.debug(key_list)
index = key_list.index(self.weather_state_abbr[self.day_index])
self.log.debug("index of %s: %d" %
(self.weather_state_abbr[self.day_index], index))
self.icon.set_src(self.icon_dsc[index])
icon_cont.align(weather_cont, lv.ALIGN.OUT_BOTTOM_LEFT, 0, 0)
self.state_label = lv.label(icon_cont, None)
self.state_label.set_width(100)
self.state_label.set_text(self.weather_state_name[self.day_index])
info_cont_style = lv.style_t()
info_cont_style.copy(weather_style)
info_cont_style.set_pad_top(lv.STATE.DEFAULT, 6)
info_cont_style.set_pad_inner(lv.STATE.DEFAULT, 4)
info_cont = lv.cont(self.weather_app_tile, None)
info_cont.set_size(lv.scr_act().get_disp().driver.hor_res, 90)
info_cont.set_layout(lv.LAYOUT.COLUMN_LEFT)
info_cont.add_style(lv.cont.PART.MAIN, icon_cont_style)
info_cont.set_fit(lv.FIT.NONE)
info_cont.align(icon_cont, lv.ALIGN.OUT_BOTTOM_LEFT, 0, 0)
info_cont.add_style(lv.cont.PART.MAIN, info_cont_style)
self.confidence_label = lv.label(info_cont, None)
self.confidence_label.set_text("Confidence level: {}%".format(
self.predic[self.day_index]))
self.temp_label = lv.label(info_cont, None)
self.temp_label.set_text(
"Temp: min: %3.1f°C, max: %3.1f°C" %
(self.min_temp[self.day_index], self.max_temp[self.day_index]))
self.humidity_label = lv.label(info_cont, None)
self.humidity_label.set_text("Humidity: {}%".format(
self.humid[self.day_index]))
self.pressure_label = lv.label(info_cont, None)
self.pressure_label.set_text("Air pressure: %d hPa" %
self.air_pressure[self.day_index])
info_cont2 = lv.cont(self.weather_app_tile, None)
# info_cont2.set_size(140,120)
info_cont2.set_layout(lv.LAYOUT.COLUMN_LEFT)
info_cont2.add_style(lv.cont.PART.MAIN, icon_cont_style)
info_cont2.set_fit(lv.FIT.TIGHT)
info_cont2.align(icon_cont, lv.ALIGN.OUT_RIGHT_TOP, -5, 0)
info_cont2.add_style(lv.cont.PART.MAIN, info_cont_style)
self.location_label = lv.label(info_cont2, None)
self.location_label.set_text("Location: " + self.location)
self.wind_label = lv.label(info_cont2, None)
self.wind_label.set_text("Wind:\nspeed: %5.1f kph\ndir: %s" %
(self.wind_speed[self.day_index],
self.wind_direction[self.day_index]))
exit_btn = lv.imgbtn(self.weather_app_tile, None)
exit_btn.set_src(lv.btn.STATE.RELEASED,
self.mainbar.get_exit_btn_dsc())
exit_btn.set_src(lv.btn.STATE.PRESSED, self.mainbar.get_exit_btn_dsc())
exit_btn.set_src(lv.btn.STATE.CHECKED_RELEASED,
self.mainbar.get_exit_btn_dsc())
exit_btn.set_src(lv.btn.STATE.CHECKED_PRESSED,
self.mainbar.get_exit_btn_dsc())
exit_btn.align(self.weather_app_tile, lv.ALIGN.IN_BOTTOM_RIGHT, -10,
-10)
exit_btn.set_event_cb(self.exit_weather_app_event_cb)
hybrid=True,
width=320,
height=240,
colormode=ili9341.COLOR_MODE_BGR,
rot=ili9341.MADCTL_ML,
invert=False,
double_buffer=False) # Create a display driver
# here one can add a wifi connection script to see if there is a wifi interaction
# import wifiConnect
# A screen with four buttons...
scr = lv.obj()
btn1 = lv.btn(scr)
lb1 = lv.label(btn1)
lb1.set_text("1")
btn1.set_size(60, 40)
btn1.align(None, lv.ALIGN.IN_TOP_LEFT, 10, 10)
btn2 = lv.btn(scr)
lb2 = lv.label(btn2)
lb2.set_text("2")
btn2.set_size(60, 40)
btn2.align(btn1, lv.ALIGN.OUT_RIGHT_TOP, 10, 0)
#
btn3 = lv.btn(scr)
lb3 = lv.label(btn3)
lb3.set_text("3")
btn3.set_size(60, 40)
btn3.align(btn2, lv.ALIGN.OUT_RIGHT_TOP, 10, 0)
# Create a container with ROW flex direction
cont_row = lv.obj(lv.scr_act())
cont_row.set_size(300, 75)
cont_row.align(lv.ALIGN.TOP_MID, 0, 5)
cont_row.set_flex_flow(lv.FLEX_FLOW.ROW)
# Create a container with COLUMN flex direction
cont_col = lv.obj(lv.scr_act())
cont_col.set_size(200, 150)
cont_col.align_to(cont_row, lv.ALIGN.OUT_BOTTOM_MID, 0, 5)
cont_col.set_flex_flow(lv.FLEX_FLOW.COLUMN)
for i in range(10):
# Add items to the row
obj = lv.btn(cont_row)
obj.set_size(100, lv.pct(100))
label = lv.label(obj)
label.set_text("Item: {:d}".format(i))
label.center()
# Add items to the column
obj = lv.btn(cont_col)
obj.set_size(lv.pct(100), lv.SIZE.CONTENT)
label = lv.label(obj)
label.set_text("Item: {:d}".format(i))
label.center()
touch = xpt2046(
cs=TOUCH_CS,
transpose=TFT_IS_PORTRAIT,
cal_x0=touch_x0,
cal_x1=touch_x1,
cal_y0=touch_y0,
cal_y1=touch_y1,
)
TOUCH_READY = 1 #表示已经配置好触摸参数
#############################################
################# Label #################
#############################################
if TOUCH_READY:
label1 = lv.label(lv.scr_act())
label1.set_long_mode(lv.label.LONG.BREAK) # Break the long lines
label1.set_recolor(True) # Enable re-coloring by commands in the text
label1.set_align(lv.label.ALIGN.CENTER) # Center aligned lines
label1.set_text("#0000ff Re-color# #00ff00 words# #ff0000 of a# label " +
"and wrap long text automatically.")
label1.set_width(150)
label1.align(None, lv.ALIGN.CENTER, 0, -30)
label2 = lv.label(lv.scr_act())
label2.set_long_mode(lv.label.LONG.SROLL_CIRC) # Circular scroll
label2.set_width(150)
label2.set_text("It is a circularly scrolling text. ")
label2.align(None, lv.ALIGN.CENTER, 0, 30)
#!//opt/bin/lv_micropython -i
import time
import lvgl as lv
import display_driver
#
# Create a fake text shadow
#
# Create a style for the shadow
style_shadow = lv.style_t()
style_shadow.init()
style_shadow.set_text_opa(lv.OPA._30)
style_shadow.set_text_color(lv.color_black())
# Create a label for the shadow first (it's in the background)
shadow_label = lv.label(lv.scr_act())
shadow_label.add_style(style_shadow, 0)
# Create the main label
main_label = lv.label(lv.scr_act())
main_label.set_text("A simple method to create\n"
"shadows on a text.\n"
"It even works with\n\n"
"newlines and spaces.")
# Set the same text for the shadow label
shadow_label.set_text(lv.label.get_text(main_label))
# Position the main label
main_label.align(lv.ALIGN.CENTER, 0, 0)
# Create the password box
LV_HOR_RES = lv.scr_act().get_disp().driver.hor_res
LV_VER_RES = lv.scr_act().get_disp().driver.ver_res
pwd_ta = lv.textarea(lv.scr_act())
pwd_ta.set_text("")
pwd_ta.set_password_mode(True)
pwd_ta.set_one_line(True)
pwd_ta.set_width(LV_HOR_RES // 2 - 20)
pwd_ta.set_pos(5, 20)
pwd_ta.add_event_cb(ta_event_cb, lv.EVENT.ALL, None)
# Create a label and position it above the text box
pwd_label = lv.label(lv.scr_act())
pwd_label.set_text("Password:"******"Text:")
#!//opt/bin/lv_micropython -i
import time
import lvgl as lv
import display_driver
#
# Demonstrate how scrolling appears automatically
#
# Create an object with the new style
panel = lv.obj(lv.scr_act())
panel.set_size(200, 200)
panel.center()
child = lv.obj(panel)
child.set_pos(0, 0)
label = lv.label(child)
label.set_text("Zero")
label.center()
child = lv.obj(panel)
child.set_pos(-40, 100)
label = lv.label(child)
label.set_text("Left")
label.center()
child = lv.obj(panel)
child.set_pos(90, -30)
label = lv.label(child)
label.set_text("Top")
label.center()
if event == lv.EVENT.CLICKED:
if obj == btn:
box.set_hidden(0)
bg.set_hidden(0)
elif obj == box:
box.set_hidden(1)
bg.set_hidden(1)
#create screen object
scr = lv.obj()
#create button in center with callback
btn = lv.btn(scr)
btn.align(scr, lv.ALIGN.CENTER, 0, 0)
btn.set_event_cb(event_handler)
label = lv.label(btn)
label.set_text("Press me")
label.set_size(20,20)
#create semi-transparrent background and set it to hidden
bg = lv.obj(scr)
bg.set_pos(0, 0)
bg.set_size(scr.get_width(), scr.get_height())
modal_style = lv.style_t()
lv.style_copy(modal_style, lv.style_plain_color)
modal_style.body.main_color = modal_style.body.grad_color = lv.color_make(0,0,50)
modal_style.body.opa = 75
bg.set_style(modal_style)
bg.set_hidden(1)
#create message box and set it to hidden
my_style.body.grad_color = color_red
my_style.body.radius = 10
color = lv.color16_t()
color.full = lcd.WHITE
my_style.text.font = my_font # use new font
my_style.text.color = color
# root
scr = lv.obj(lv.scr_act())
scr.set_style(my_style)
# scr.set_pos(20, 20)
scr.align(None, lv.ALIGN.CENTER, 0, -30)
scr.set_size(120, 100)
# label
label = lv.label(scr)
label.set_long_mode(label.LONG.SROLL)
label.set_width(100)
label.align(None, lv.ALIGN.CENTER, 0, 0)
label.set_text("你好 hello")
# label.set_text("\u4f60\u597d hello")
# label.set_text(b"\xE4\xBD\xA0\xE5\xA5\xBDhello")
def on_timer(timer):
lv.tick_inc(5)
timer = Timer(Timer.TIMER0,
Timer.CHANNEL0,
mode=Timer.MODE_PERIODIC,