This article is an example of a simple gui calculator based on wxpython development. Shared for your reference. Specific as follows:
# wxCalc1 a simple GUI calculator using wxPython
# created with the Boa Constructor which generates all the GUI components
# all I had to do is add some code for each button click event
# Boa free from: /
# note that boa-constructor-0.3.1.
# still uses wxPythonWIN32-2.4.2.
# but is expected to work with wxPython version 2.5 soon
# tested with Python23 vegaseat 26feb2005
from import *
# some Boa generated global IDs ...
[wxID_WXFRAME1, wxID_WXFRAME1BTN0, wxID_WXFRAME1BTN1, wxID_WXFRAME1BTN2,
wxID_WXFRAME1BTN3, wxID_WXFRAME1BTN4, wxID_WXFRAME1BTN5, wxID_WXFRAME1BTN6,
wxID_WXFRAME1BTN7, wxID_WXFRAME1BTN8, wxID_WXFRAME1BTN9,
wxID_WXFRAME1BTNCLEAR, wxID_WXFRAME1BTNDIV, wxID_WXFRAME1BTNDOT,
wxID_WXFRAME1BTNEQUAL, wxID_WXFRAME1BTNMINUS, wxID_WXFRAME1BTNMULTI,
wxID_WXFRAME1BTNPLUS, wxID_WXFRAME1EDIT,
] = map(lambda _init_ctrls: wxNewId(), range(19))
class wxFrame1(wxFrame):
#startregion, below this marker is Boa generated code do not edit!!!
def _init_ctrls(self, prnt):
# generated method, don't edit
wxFrame.__init__(self, id=wxID_WXFRAME1, name='', parent=prnt,
pos=wxPoint(306, 270), size=wxSize(266, 265),
style=wxDEFAULT_FRAME_STYLE, title='Calculator1')
(wxSize(258, 225))
(wxColour(0, 128, 0))
self.btn1 = wxButton(id=wxID_WXFRAME1BTN1, label='1', name='btn1',
parent=self, pos=wxPoint(16, 136), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn1, wxID_WXFRAME1BTN1, self.OnBtn1Button)
self.btn2 = wxButton(id=wxID_WXFRAME1BTN2, label='2', name='btn2',
parent=self, pos=wxPoint(64, 136), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn2, wxID_WXFRAME1BTN2, self.OnBtn2Button)
self.btn3 = wxButton(id=wxID_WXFRAME1BTN3, label='3', name='btn3',
parent=self, pos=wxPoint(112, 136), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn3, wxID_WXFRAME1BTN3, self.OnBtn3Button)
self.btn4 = wxButton(id=wxID_WXFRAME1BTN4, label='4', name='btn4',
parent=self, pos=wxPoint(16, 96), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn4, wxID_WXFRAME1BTN4, self.OnBtn4Button)
self.btn5 = wxButton(id=wxID_WXFRAME1BTN5, label='5', name='btn5',
parent=self, pos=wxPoint(64, 96), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn5, wxID_WXFRAME1BTN5, self.OnBtn5Button)
self.btn6 = wxButton(id=wxID_WXFRAME1BTN6, label='6', name='btn6',
parent=self, pos=wxPoint(112, 96), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn6, wxID_WXFRAME1BTN6, self.OnBtn6Button)
self.btn7 = wxButton(id=wxID_WXFRAME1BTN7, label='7', name='btn7',
parent=self, pos=wxPoint(16, 56), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn7, wxID_WXFRAME1BTN7, self.OnBtn7Button)
self.btn8 = wxButton(id=wxID_WXFRAME1BTN8, label='8', name='btn8',
parent=self, pos=wxPoint(64, 56), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn8, wxID_WXFRAME1BTN8, self.OnBtn8Button)
self.btn9 = wxButton(id=wxID_WXFRAME1BTN9, label='9', name='btn9',
parent=self, pos=wxPoint(112, 56), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn9, wxID_WXFRAME1BTN9, self.OnBtn9Button)
self.btn0 = wxButton(id=wxID_WXFRAME1BTN0, label='0', name='btn0',
parent=self, pos=wxPoint(16, 176), size=wxSize(32, 32), style=0)
EVT_BUTTON(self.btn0, wxID_WXFRAME1BTN0, self.OnBtn0Button)
= wxButton(id=wxID_WXFRAME1BTNDOT, label='.', name='btnDot',
parent=self, pos=wxPoint(64, 176), size=wxSize(32, 32), style=0)
EVT_BUTTON(, wxID_WXFRAME1BTNDOT, )
= wxButton(id=wxID_WXFRAME1BTNEQUAL, label='=',
name='btnEqual', parent=self, pos=wxPoint(112, 176),
size=wxSize(32, 32), style=0)
EVT_BUTTON(, wxID_WXFRAME1BTNEQUAL, )
= wxTextCtrl(id=wxID_WXFRAME1EDIT, name='edit', parent=self,
pos=wxPoint(16, 16), size=wxSize(224, 24), style=0, value='')
= wxButton(id=wxID_WXFRAME1BTNPLUS, label='+',
name='btnPlus', parent=self, pos=wxPoint(160, 56), size=wxSize(32,
32), style=0)
EVT_BUTTON(, wxID_WXFRAME1BTNPLUS, )
= wxButton(id=wxID_WXFRAME1BTNMINUS, label='-',
name='btnMinus', parent=self, pos=wxPoint(160, 96),
size=wxSize(32, 32), style=0)
EVT_BUTTON(, wxID_WXFRAME1BTNMINUS, )
= wxButton(id=wxID_WXFRAME1BTNMULTI, label='*',
name='btnMulti', parent=self, pos=wxPoint(160, 136),
size=wxSize(32, 32), style=0)
EVT_BUTTON(, wxID_WXFRAME1BTNMULTI, )
= wxButton(id=wxID_WXFRAME1BTNDIV, label='/', name='btnDiv',
parent=self, pos=wxPoint(160, 176), size=wxSize(32, 32), style=0)
EVT_BUTTON(, wxID_WXFRAME1BTNDIV, )
= wxButton(id=wxID_WXFRAME1BTNCLEAR, label='C',
name='btnClear', parent=self, pos=wxPoint(208, 56),
size=wxSize(32, 32), style=0)
('btnClear')
EVT_BUTTON(, wxID_WXFRAME1BTNCLEAR, )
def __init__(self, parent):
self._init_ctrls(parent)
#endregion, above this marker is Boa generated code, do not edit!!!
# now respond to all the button click events ...
def OnBtn0Button(self, event):
val = '0'
# get existing edit box text
txt = ()
# append text
txt = txt + val
# update edit box text
(txt)
def OnBtn1Button(self, event):
val = '1'
txt = ()
txt = txt + val
(txt)
def OnBtn2Button(self, event):
val = '2'
txt = ()
txt = txt + val
(txt)
def OnBtn3Button(self, event):
val = '3'
txt = ()
txt = txt + val
(txt)
def OnBtn4Button(self, event):
val = '4'
txt = ()
txt = txt + val
(txt)
def OnBtn5Button(self, event):
val = '5'
txt = ()
txt = txt + val
(txt)
def OnBtn6Button(self, event):
val = '6'
txt = ()
txt = txt + val
(txt)
def OnBtn7Button(self, event):
val = '7'
txt = ()
txt = txt + val
(txt)
def OnBtn8Button(self, event):
val = '8'
txt = ()
txt = txt + val
(txt)
def OnBtn9Button(self, event):
val = '9'
txt = ()
txt = txt + val
(txt)
def OnBtnDotButton(self, event):
val = '.'
txt = ()
txt = txt + val
(txt)
def OnBtnEqualButton(self, event):
txt = ()
# needs to contain a float so eg. 3/5 is 3/5.0
# otherwise division 3/5 would result in zero
if '/' in txt:
if '.' not in txt:
txt = txt + '.0'
# now evaluate the math string
txt = repr(eval(txt))
# and show result in edit box
(txt)
def OnBtnPlusButton(self, event):
val = '+'
txt = ()
txt = txt + val
(txt)
def OnBtnMinusButton(self, event):
val = '-'
txt = ()
txt = txt + val
(txt)
def OnBtnMultiButton(self, event):
val = '*'
txt = ()
txt = txt + val
(txt)
def OnBtnDivButton(self, event):
val = '/'
txt = ()
txt = txt + val
(txt)
def OnBtnClearButton(self, event):
('')
# -------------------- end of class wxFrame1 ----------------------
def create(parent):
return wxFrame1(parent)
class BoaApp(wxApp):
def OnInit(self):
wxInitAllImageHandlers()
= create(None)
()
()
return True
def main():
application = BoaApp(0)
()
if __name__ == '__main__':
main()
I hope that what I have described in this article will help you in your Python programming.