def makeWidgets(self, *args):
label(self, TOP, 'PyCalc Plus - Subclass')
CalcGui.makeWidgets(self, *args)
frm = frame(self, BOTTOM)
extras = [('sqrt', 'sqrt(%s)'), ('x^2 ', '(%s)**2'),
('x^3 ', '(%s)**3'), ('1/x ', '1.0/(%s)')]
for (lab, expr) in extras:
button(frm, LEFT, lab, (lambda expr=expr: self.onExtra(expr)))
button(frm, LEFT, ' pi ', self.onPi)
def __init__(self, **args):
Toplevel.__init__(self)
label(self, TOP, 'PyCalc Plus - Container')
self.calc = CalcGui(self, **args)
frm = frame(self, BOTTOM)
extras = [('sqrt', 'sqrt(%s)'),
('x^2 ', '(%s)**2'),
('x^3 ', '(%s)**3'),
('1/x ', '1.0/(%s)')]
for (lab, expr) in extras:
button(frm, LEFT, lab, (lambda expr=expr: self.onExtra(expr)))
button(frm, LEFT, ' pi ', self.onPi)
def onMakeCmdline(self):
new = Toplevel() # new top-level window
new.title('PyCalc command line') # arbitrary Python code
frm = frame(new, TOP) # only the Entry expands
label(frm, LEFT, '>>>').pack(expand=NO)
var = StringVar()
ent = entry(frm, LEFT, var, width=40)
onButton = (lambda: self.onCmdline(var, ent))
onReturn = (lambda event: self.onCmdline(var, ent))
button(frm, RIGHT, 'Run', onButton).pack(expand=NO)
ent.bind('<Return>', onReturn)
var.set(self.text.get())
def __init__(self, parent=None): # an extended frame
Frame.__init__(self, parent) # on default top-level
self.pack(expand=YES, fill=BOTH) # all parts expandable
self.master.title('Python Calculator 0.1') # 6 frames plus entry
self.master.iconname("pcalc1")
self.names = {} # namespace for variables
text = StringVar()
entry(self, TOP, text)
rows = ["abcd", "0123", "4567", "89()"]
for row in rows:
frm = frame(self, TOP)
for char in row:
button(frm,
LEFT,
char,
lambda char=char: text.set(text.get() + char))
frm = frame(self, TOP)
for char in "+-*/=":
button(frm,
LEFT,
char,
lambda char=char: text.set(text.get() + ' ' + char + ' '))
frm = frame(self, BOTTOM)
button(frm, LEFT, 'eval', lambda: self.eval(text))
button(frm, LEFT, 'clear', lambda: text.set(''))
class CalcGuiPlus(Toplevel):
def __init__(self, **args):
Toplevel.__init__(self)
label(self, TOP, 'PyCalc Plus - Container')
self.calc = CalcGui(self, **args)
frm = frame(self, BOTTOM)
extras = [('sqrt', 'sqrt(%s)'),
('x^2 ', '(%s)**2'),
('x^3 ', '(%s)**3'),
('1/x ', '1.0/(%s)')]
for (lab, expr) in extras:
button(frm, LEFT, lab, (lambda expr=expr: self.onExtra(expr)))
button(frm, LEFT, ' pi ', self.onPi)
def onExtra(self, expr):
text = self.calc.text
eval = self.calc.eval
try:
text.set(eval.runstring(expr % text.get()))
except:
text.set('ERROR')
def onPi(self):
self.calc.text.set(self.calc.eval.runstring('pi'))
if __name__ == '__main__':
root = Tk()
button(root, TOP, 'Quit', root.quit)
CalcGuiPlus(**getCalcArgs()).mainloop() # -bg,-fg to calcgui
def makeMainBox(self):
frm = frame(self, TOP)
frm.config(bd=2)
button(frm, LEFT, 'next', self.onNext) # next in list
button(frm, LEFT, 'prev', self.onPrev) # backup in list
button(frm, LEFT, 'find', self.onFind) # find from key
frm = frame(self, TOP)
self.keytext = StringVar() # current record's key
label(frm, LEFT, 'KEY=>') # change before 'find'
entry(frm, LEFT, self.keytext)
frm = frame(self, TOP)
frm.config(bd=2)
button(frm, LEFT, 'store', self.onStore) # updated entry data
button(frm, LEFT, 'new', self.onNew) # clear fields
button(frm, LEFT, 'index', self.onMakeList) # show key list
button(frm, LEFT, 'delete', self.onDelete) # show key list
button(self, BOTTOM,'quit', self.quit) # from guimixin
def makeWidgets(self, fg, bg, font): # 7 frames plus text-entry
self.entry = entry(self, TOP, self.text) # font, color configurable
self.entry.config(font=font) # 3.0: make display larger
self.entry.config(justify=RIGHT) # 3.0: on right, not left
for row in self.Operands:
frm = frame(self, TOP)
for char in row:
button(frm, LEFT, char,
lambda op=char: self.onOperand(op),
fg=fg, bg=bg, font=font)
frm = frame(self, TOP)
for char in self.Operators:
button(frm, LEFT, char,
lambda op=char: self.onOperator(op),
fg=bg, bg=fg, font=font)
frm = frame(self, TOP)
button(frm, LEFT, 'dot ', lambda: self.onOperand('.'))
button(frm, LEFT, ' E+ ', lambda: self.text.set(self.text.get()+'E+'))
button(frm, LEFT, ' E- ', lambda: self.text.set(self.text.get()+'E-'))
button(frm, LEFT, 'cmd ', self.onMakeCmdline)
button(frm, LEFT, 'help', self.help)
button(frm, LEFT, 'quit', self.quit) # from guimixin
frm = frame(self, BOTTOM)
button(frm, LEFT, 'eval ', self.onEval)
button(frm, LEFT, 'hist ', self.onHist)
button(frm, LEFT, 'clear', self.onClear)