kopia lustrzana https://github.com/peterhinch/micropython-micro-gui
172 wiersze
6.1 KiB
Python
172 wiersze
6.1 KiB
Python
# calendar.py Test Grid class.
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2023 Peter Hinch
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# As written requires a 240*320 pixel display, but could easily be reduced
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# with smaller fonts.
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# hardware_setup must be imported before other modules because of RAM use.
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import hardware_setup # Create a display instance
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from gui.core.ugui import Screen, ssd
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from gui.widgets import Grid, CloseButton, Label, Button
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from gui.core.writer import CWriter
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# Font for CWriter
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import gui.fonts.font10 as font
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import gui.fonts.font14 as font1
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from gui.core.colors import *
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from time import mktime, localtime
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SECS_PER_DAY = const(86400)
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class Date:
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days = ('Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday')
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months = ('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August',
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'September', 'October', 'November', 'December')
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def __init__(self):
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self.now()
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def now(self):
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lt = list(localtime())
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lt[3] = 6 # Disambiguate midnight
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self.cur = mktime(lt) // SECS_PER_DAY
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self.update()
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def update(self, lt=None):
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if lt is not None:
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lt[3] = 6
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self.cur = mktime(lt) // SECS_PER_DAY
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lt = localtime(self.cur * SECS_PER_DAY)
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self.year = lt[0]
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self.month = lt[1]
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self.mday = lt[2]
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self.wday = lt[6]
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ml = self.mlen(self.month)
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self.month_length = ml
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self.wday1 = (self.wday - self.mday + 1) % 7 # Weekday of 1st of month
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# Commented out code provides support for UK DST calculation
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#wdayld = (self.wday1 + ml -1) % 7 # Weekday of last day of month
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#self.mday_sun = ml - (wdayld + 1) % 7 # Day of month of last Sunday
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def add_days(self, n):
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self.cur += n
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self.update()
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def add_months(self, n): # Crude algorithm for small n
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for _ in range(abs(n)):
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self.cur += self.month_length if n > 0 else -self.mlen(self.month - 1)
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self.update()
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def add_years(self, n):
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lt = list(localtime(self.cur * SECS_PER_DAY))
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lt[0] += n
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self.update(lt)
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def mlen(self, month):
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days = (31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)[month - 1]
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year = self.year
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return days if days else (28 if year % 4 else (29 if year % 100 else 28))
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class BaseScreen(Screen):
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def __init__(self):
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super().__init__()
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self.date = Date()
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wri = CWriter(ssd, font, GREEN, BLACK, False)
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wri1 = CWriter(ssd, font1, WHITE, BLACK, False)
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col = 2
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row = 2
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rows = 6
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cols = 7
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colwidth = 35
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self.lbl = Label(wri, row, col, text = (colwidth + 4) * cols, justify=Label.CENTRE)
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row = self.lbl.mrow
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self.grid = Grid(wri, row, col, colwidth, rows, cols, justify=Label.CENTRE)
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for n, day in enumerate(Date.days):
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self.grid[[0, n]] = day[:3]
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row = self.grid.mrow + 4
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ht = 30
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b = Button(wri, row, col, height=ht, shape=CIRCLE, text="y-", callback=self.adjust, args=(self.date.add_years, -1))
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col = b.mcol + 2
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b = Button(wri, row, col, height=ht, shape=CIRCLE, text="y+", callback=self.adjust, args=(self.date.add_years, 1))
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col = b.mcol + 5
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b = Button(wri, row, col, height=ht, shape=CIRCLE, text="m-", callback=self.adjust, args=(self.date.add_months, -1))
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col = b.mcol + 2
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b = Button(wri, row, col, height=ht, shape=CIRCLE, text="m+", callback=self.adjust, args=(self.date.add_months, 1))
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col = b.mcol + 5
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b = Button(wri, row, col, height=ht, shape=CIRCLE, text="w-", callback=self.adjust, args=(self.date.add_days, -7))
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col = b.mcol + 2
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b = Button(wri, row, col, height=ht, shape=CIRCLE, text="w+", callback=self.adjust, args=(self.date.add_days, 7))
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col = b.mcol + 5
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b = Button(wri, row, col, height=ht, shape=CIRCLE, text="d-", callback=self.adjust, args=(self.date.add_days, -1))
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col = b.mcol + 2
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b = Button(wri, row, col, height=ht, shape=CIRCLE, text="d+", callback=self.adjust, args=(self.date.add_days, 1))
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col = b.mcol + 5
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b = Button(wri, row, col, height=ht, shape=CIRCLE, fgcolor=BLUE, text="H", callback=self.adjust, args=(self.date.now,))
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#row = b.mrow + 10
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col = 2
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row = ssd.height - (wri1.height + 2)
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self.lblnow = Label(wri1, row, col, text =ssd.width - 4, fgcolor=WHITE)
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self.update()
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CloseButton(wri) # Quit the application
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def adjust(self, _, f, n=0):
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f(n) if n else f()
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self.update()
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def update(self):
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def cell():
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#d.clear()
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if cur.year == today.year and cur.month == today.month and mday == today.mday: # Today
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d["fgcolor"] = RED
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elif mday == cur.mday: # Currency
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d["fgcolor"] = YELLOW
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else:
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d["fgcolor"] = GREEN
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d["text"] = str(mday)
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self.grid[idx] = d
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today = Date()
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cur = self.date # Currency
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self.lbl.value(f"{Date.months[cur.month - 1]} {cur.year}")
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d = {} # Args for Label.value
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wday = 0
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mday = 1
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seek = True
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for idx in range(7, self.grid.ncells):
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self.grid[idx] = ""
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for idx in range(7, self.grid.ncells):
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if seek: # Find column for 1st of month
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if wday < cur.wday1:
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self.grid[idx] = ""
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wday += 1
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else:
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seek = False
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if not seek:
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if mday <= cur.month_length:
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cell()
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mday += 1
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else:
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self.grid[idx] = ""
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idx = 7
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while mday <= cur.month_length:
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cell()
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idx += 1
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mday += 1
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day = Date.days[today.wday]
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month = Date.months[today.month - 1]
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self.lblnow.value(f"{day} {today.mday} {month} {today.year}")
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def test():
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print('Calendar demo.')
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Screen.change(BaseScreen) # A class is passed here, not an instance.
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test()
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