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Tamanho: 10848
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| Deleções são marcadas assim. | Adições são marcadas assim. |
| Linha 2: | Linha 2: |
| #!python |
|
| Linha 10: | Linha 14: |
| impressão | Finalidade: Calculadora que opera semelhante a calculadora do windows, alem de conter uma caixa de texto que imita uma fita de impressão |
| Linha 12: | Linha 20: |
| Sistema Operacional: Linux | Sistema Operacional: Linux, Windows Email:perallis@rc.unesp.br |
| Linha 30: | Linha 42: |
| #Cria os frames nescessarios para a disposição dos widgets no programa |
#Cria os frames nescessarios para a disposição dos \ widgets no programa #Cria os frames nescessarios para a disposição dos \ widgets no programa |
| Linha 42: | Linha 59: |
| self.visor=Entry(self.fexibir,width=23,bg="white",fg="blue",justify="right") | self.visor=Entry(self.fexibir,width=23,bg="white",fg="blue",justify="right") |
1 #!/usr/bin/python
2 # -*- coding: cp1252 -*-
3
4 """
5 Autor: Vinicius Rodrigues da Cunha Perallis
6 Data: 19/04/2006
7 20/04/2006
8 Projeto: Calculadora Comercial
9
10 Finalidade: Calculadora que opera semelhante a calculadora
11 do windows, alem de conter uma caixa de
12 texto que imita uma fita de impressão
13
14 Interpretador: Python 2.4.1
15 Sistema Operacional: Linux, Windows
16
17 Email:perallis@rc.unesp.br
18
19
20 """
21
22
23 #Importa todas funcoes do modulo Tkinter
24 from Tkinter import *
25
26
27 #Classe Principal que executa o aplicativo Calculadora
28 class Calculadora:
29
30 def __init__(self,parent):
31 self.myapp=parent
32 self.myapp.title("Calculadora - Phy")
33 #Cria o frame principa
34 self.geral=Frame(self.myapp,bg="gray")
35 self.geral.pack()
36
37
38 #Cria os frames nescessarios para a disposição dos \
39 widgets no programa
40
41 #Cria os frames nescessarios para a disposição dos \
42 widgets no programa
43
44 self.fexibir=Frame(self.geral,bg="gray")
45 self.fzero=Frame(self.geral,bg="gray")
46 self.fum=Frame(self.geral,bg="gray")
47 self.fdois=Frame(self.geral,bg="gray")
48 self.ftreis=Frame(self.geral,bg="gray")
49 self.fquatro=Frame(self.geral,bg="gray")
50
51
52 #Caixa de texto, que servirá para mostrar os numeros
53
54 self.visor=Entry(self.fexibir,width=23,bg="white",fg="blue",justify="right")
55 self.visor.insert(INSERT,0)
56 # Frame geral: Escreve um titulo na primeira linha do programa
57 self.titulo=Label(self.geral,text=" CALCULADORA PYTHON
58 ",bg="gray",fg="black",font=('Helvetica','10','bold'))
59 # Insere a cixa de Texto que seá utilizada para fazer a fita de
60 impressão
61 self.ffita=Frame(self.geral)
62 self.ffita.pack(side="right",padx=15)
63 self.sb=Scrollbar(self.ffita)
64
65 self.fita=Text(self.ffita,width=23,height=13,bg="white",yscrollcommand=self.sb.set)
66 self.sb["command"] = self.fita.yview
67 self.fita.pack(side="left",padx=0)
68 self.sb.pack(side="right",fill=Y)
69
70
71 ## WIDGETS NO FRAME ZERO
72 #########################################################
73 #Botao para reiniciar a calculadora
74
75 self.c=Button(self.fzero,text="C",bg="white",width=4,command=self.zera)
76 #Label para organizar o programa
77 self.space1=Label(self.fzero,bg="gray",text="
78 ")
79 #Botao igual
80
81 self.igual=Button(self.fzero,text="=",bg="white",width=4,command=lambda sin="": self.op(sin))
82
83 ###################################################################################
84
85
86 ## WIDGETS NO FRAME UM
87 ############################################################
88 self.sete=Button(self.fum,text="7",width=4,command=lambda n=7:
89 self.write_visor(n))
90 self.oito=Button(self.fum,text="8",width=4,command=lambda n=8:
91 self.write_visor(n))
92 self.nove=Button(self.fum,text="9",width=4,command=lambda n=9:
93 self.write_visor(n))
94 self.div=Button(self.fum,text="/",fg="red",width=4,
95 command=lambda sin='/': self.op(sin))
96
97 ###################################################################################
98
99 ## WIDGETS NO FRAME DOIS
100 ############################################################
101 self.quatro=Button(self.fdois,text="4",width=4,command=lambda
102 n=4: self.write_visor(n))
103 self.cinco=Button(self.fdois,text="5",width=4,command=lambda
104 n=5: self.write_visor(n))
105 self.seis=Button(self.fdois,text="6",width=4,command=lambda
106 n=6: self.write_visor(n))
107 self.mult=Button(self.fdois,text="*",fg="red",width=4
108 ,command=lambda sin='*': self.op(sin))
109
110 ###################################################################################
111
112 ## WIDGETS NO FRAME TREIS
113 ##########################################################
114 self.um=Button(self.ftreis,text="1",width=4,command=lambda n=1:
115 self.write_visor(n) )
116 self.dois=Button(self.ftreis,text="2",width=4,command=lambda
117 n=2: self.write_visor(n))
118 self.tres=Button(self.ftreis,text="3",width=4,command=lambda
119 n=3: self.write_visor(n))
120 self.menos=Button(self.ftreis,text="-",fg="red",width=4,
121 command=lambda sin='-': self.op(sin) )
122
123 ###################################################################################
124
125 ## WIDGETS NO FRAME
126 QUATRO#########################################################
127 self.zero=Button(self.fquatro,text="0",width=4,command=lambda
128 n=0: self.write_visor(n))
129 self.virg=Button(self.fquatro,text=",",width=4,command=lambda
130 n='.': self.write_visor(n))
131 self.maismenos=Button(self.fquatro,fg="red",text="+/-",width=4,
132 command=lambda n=-1: self.write_visor(n))
133 self.mais=Button(self.fquatro,fg="red",text="+",width=4,
134 command=lambda sin='+': self.op(sin))
135
136 ###################################################################################
137
138 #Frame fgeral
139 self.titulo.pack()
140
141 #Frame fexibir
142 self.fexibir.pack()
143
144 self.visor.pack(ipadx="3")
145
146 #Frame fzero
147 self.fzero.pack()
148
149 self.c.pack(side=LEFT,fill=X,pady="5",padx="2")
150 self.igual.pack(side=LEFT,fill=X,pady="5",padx="2")
151 self.space1.pack()
152
153 #Frame fum
154 self.fum.pack()
155
156 self.sete.pack(side="left",padx=2,pady=2)
157 self.oito.pack(side="left",padx=2,pady=2)
158 self.nove.pack(side="left",padx=2,pady=2)
159 self.div.pack(side="left",padx=2,pady=2)
160
161 #Frame fdois
162 self.fdois.pack()
163 self.seis.pack(side="left",padx=2,pady=2)
164 self.cinco.pack(side="left",padx=2,pady=2)
165 self.quatro.pack(side="left",padx=2,pady=2)
166 self.mult.pack(side="left",padx=2,pady=2)
167
168 #Frame ftreis
169 self.ftreis.pack()
170 self.tres.pack(side="left",padx=2,pady=2)
171 self.dois.pack(side="left",padx=2,pady=2)
172 self.um.pack(side="left",padx=2,pady=2)
173 self.menos.pack(side="left",padx=2,pady=2)
174
175 #Frame fquatro
176 self.fquatro.pack()
177 self.maismenos.pack(side="left",padx=2,pady=2)
178 self.zero.pack(side="left",padx=2,pady=2)
179 self.virg.pack(side="left",padx=2,pady=2)
180 self.mais.pack(side="left",padx=2,pady=2)
181
182 # Variais da classe
183 self.z=0
184 self.w=1
185 self.atual=0
186 self.i=0
187 self.ty=0
188 self.num=0
189 self.prim=0
190 self.h=0
191 self.sa=0
192
193
194
195
196 ###------------------------------Função para realizar as operações
197 aritiméticas --------------------------###
198
199 def op(self,sin):
200 if (self.w==0):
201 self.num=float(self.visor.get())
202 print self.num
203 self.sinal=sin
204 self.w=1
205 self.z=1
206 self.i=0
207 self.ty=0
208 self.divi=0
209 if self.prim==0:
210 self.ty=1
211
212 else :
213 if self.ty==0:
214 self.atual=float(self.visor.get())
215
216 if self.sa==1 and self.ty==1:
217 self.num=float(self.visor.get())
218 self.sa=0
219
220 if self.sinal=='+':
221 self.num=self.num + self.atual
222 elif self.sinal=='-':
223 self.num=self.num - self.atual
224 elif self.sinal=='/' and self.ty!=1 and self.atual!=0:
225 self.num=self.num / self.atual
226 elif self.sinal=='/' and self.atual==0 and self.ty!=1:
227 self.visor.delete(0,END)
228 self.visor.insert(INSERT,"Imposivel dividir")
229 self.divi=1
230 self.prim=1
231 elif self.sinal=='*' and self.ty!=1 and self.prim==1:
232 self.num=self.num * self.atual
233
234 if self.divi==0:
235 self.visor.delete(0,END)
236 self.visor.insert(END,self.num)
237 self.prim=1
238 if self.divi==0 and self.ty==0:
239 self.fita.insert(INSERT,"\n"+self.sinal)
240 self.fita.insert(INSERT,"\n"+str(self.atual))
241 self.fita.insert(INSERT,"\n"+"=")
242 self.fita.insert(INSERT,"\n"+str(self.num))
243
244
245 self.atual=0
246 self.ty=1
247 self.i=0
248 self.w=1
249 self.z=1
250 self.div=0
251 self.sinal=sin
252 ###---------------------------------------- Fim da funçõa
253 aritmética op --------------------------------------###
254
255
256
257
258 ###-------------------------------- Função para escrever os numeros
259 no visor ---------------------------------###
260 def write_visor(self,n):
261 if (self.z==1) and n!=-1:
262 if self.i==0:
263 self.visor.delete(0,END)
264
265 self.visor.insert(INSERT,n)
266 self.w=1
267 self.z=1
268 self.i=1
269 self.ty=0
270 self.prim=1
271
272
273
274 elif self.z==0 and n!=-1:
275 if self.i==0:
276 self.visor.delete(0,END)
277 self.visor.insert(INSERT,n)
278 self.fita.insert(INSERT,n)
279 self.w=0
280 self.i=1
281 self.ty=0
282 if n==-1:
283 self.la=float(self.visor.get()) * (-1)
284 self.visor.delete(0,END)
285 self.visor.insert(END,self.la)
286 self.fita.insert(INSERT,"\n"+"*(-1)")
287 self.fita.insert(INSERT,"\n"+"=")
288 self.fita.insert(INSERT,"\n"+str(self.la))
289 self.sa=1
290
291 ###---------------------------------------- Fim da funçõa
292 write_visor --------------------------------------###
293
294
295
296 ###---------------------------------- Função para reiniciar a calculadora ----------------------------------###
297 def zera(self):
298 self.num=0
299 self.z=0
300 self.w=1
301 self.atual=0
302 self.i=0
303 self.ty=0
304 self.prim=0
305 self.visor.delete(0,END)
306 self.visor.insert(INSERT,0)
307 self.fita.delete('1.0','90.0')
308 ###------------------------------------------- Fim da função
309 zera-------------------------------------------###
310
311
312
313
314 # root Intacia-se pela classe Tk() e inicia a aplicação
315 root=Tk()
316 aplicativo=Calculadora(root)
317 root.mainloop()
