121 lines
No EOL
4.1 KiB
Python
121 lines
No EOL
4.1 KiB
Python
# 2-bit RLE, generated from res/calc.png, 413 bytes
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calc = (
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b'\x02'
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b'`@'
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b'(@\x03P?\x0eV?\x08[?\x04_?\x01b'
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b'<f9h7j5l3n1p/r-t'
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b'+H\xd1D\xd1H*H\xd2B\xd2H)I\xd2B'
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b"\xd2I'J\xd2B\xd2I'J\xc8\xc2\xc8B\xd2J"
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b'%K\xc7\xc1\x02\xc1\xc7B\xd2J%K\xc7\xc1\x02\xc2'
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b'\xc6B\xd2K$K\xc5\xc2\xc1\x02\xc1\xc2\xc5B\xd2K'
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b'#L\xc4\xc1\x08\xc1\xc4B\xc5\x08\xc5L"L\xc4\xc1'
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b'\x08\xc2\xc3B\xc5\x08\xc1\xc1\xc3L"L\xc5\xc2\xc1\x02'
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b'\xc8B\xcf\xc1\xc2L!M\xc6\xc2\x02\xc8B\xd0\xc1\xc1'
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b'M M\xc7\xc1\x02\xc8B\xd1\xc1M M\xc8\xc2\xc8'
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b'B\xd2M M\xc9\xc1\xc8B\xd2M M\xd2B\xd2'
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b'M M\xd2B\xd2M N\xd0D\xd0N \x7f\x01'
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b' \x7f\x01 N\xd0D\xc1\xcfN M\xd2B\xc1\xd1'
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b'M M\xd2B\xd2AL M\xd2B\xd2AL '
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b'M\xd2B\xd2AL M\xc7\xc1\xcaB\xc5\xc8\xc5A'
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b'L M\xc5\xc1\x02\xc2\x02\xc1\xc5B\xc4\xc1\x08\xc1\xc4'
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b'AL!L\xc5\xc1\x06\xc1\xc5B\xc4\xc1\x08\xc1\xc1\xc3'
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b'AK"L\xc6\xc1\x04\xc1\xc6B\xc6\xca\xc2AK"'
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b'L\xc6\xc1\x04\xc1\xc6B\xc7\xca\xc1L#K\xc5\xc1\x06'
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b'\xc1\xc5B\xc4\xc1\x08\xc1\xc4JA$K\xc5\xc1\x02\xc2'
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b'\x02\xc1\xc5B\xc4\xc1\x08\xc1\xc4K%J\xc6\xc2\xc2\xc2'
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b"\xc6B\xc5\xc8\xc5J&J\xd2B\xc6\xccJ'I\xd2"
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b'B\xc7\xcbI(I\xd2B\xc8\xcaI)H\xd2B\xc9'
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b'\xc9H*H\xd1D\xc9\xc8H+t-r/p1'
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b'n3l5j7h9f<b?\x01^?\x05'
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b'XAA?\tV?\x0eP(')
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# SPDX-License-Identifier: LGPL-3.0-or-latesettingsr
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# Copyright (C) 2020 Johannes Wache
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"""Calculator application
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This is a simple calculator app that uses the build-in eval() function to compute the solution for an equation.
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"""
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import wasp, fonts
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class CalculatorApp():
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NAME = 'Calc'
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ICON = calc
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def __init__(self):
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self.output = ""
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self.fields = [["7","8","9","+","("],
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["4","5","6","-",")"],
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["1","2","3","*","^"],
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["C","0",".",":","="]]
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def foreground(self):
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self._draw()
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self.output = ""
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wasp.system.request_event(wasp.EventMask.TOUCH)
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def touch(self, event):
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if (event[2] < 48):
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if (event[1] > 200): # undo button pressed
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if (self.output != ""):
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self.output = self.output[:-1]
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else:
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indices = [(event[2]// 48)-1,event[1]//47]
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# Error handling for touching at the border
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if (indices[0]>3):
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indices[0] = 3
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if (indices[1]>4):
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indices[1] = 4
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button_pressed = self.fields[indices[0]][indices[1]]
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if (button_pressed == "C"):
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self.output = ""
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elif (button_pressed == "="):
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self.output = self.calculate(self.output)
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else:
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self.output += button_pressed
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self.display_output()
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def _draw(self):
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draw = wasp.watch.drawable
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draw.fill()
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# Make grid:
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for i in range(4):
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# horizontal lines
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draw.line(x0=0,y0=(i+1)*47,x1=240,y1=(i+1)*47)
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# vertical lines
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draw.line(x0=(i+1)*47,y0=47,x1=(i+1)*47,y1=240)
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# Draw button label:
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for y in range(4):
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for x in range(5):
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label = self.fields[y][x]
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if (x == 0):
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draw.string(label, x*47+14, y*47+60)
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else:
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draw.string(label, x*47+16, y*47+60)
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draw.string("<", 215, 10)
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def display_output(self):
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wasp.watch.drawable.fill(x=2,y=2,w=170,h=40)
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if (self.output != ""):
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if len(self.output) >= 10:
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wasp.watch.drawable.string(self.output[len(self.output)-9:], 6, 14, width=170)
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else:
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wasp.watch.drawable.string(self.output, 6, 14, width=170)
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def calculate(self,s):
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equation = s
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# Normal calculator stuff
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for i in range(len(s)):
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if (s[i] =="^"):
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equation = s[:i] + "**"+s[i+1:]
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elif (s[i] == ":"):
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equation = s[:i] + "/"+s[i+1:]
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try:
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result = eval(equation)
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except: # Error
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result = ""
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return str(result) |