[英]python tkinter combobox/button
我剛剛開始使用python和tkinter,我創建了一個帶有兩個組合框和“運行”按鈕的gui,其中包含兩個不同的選項“ SPMI”和“ RFFE”。 我希望腳本執行的操作是,當我選擇其他選項並單擊“運行”時,它應該運行SPMI.py或RFFE.py文件。
請幫助,謝謝
我的代碼:
import sys
from Tkinter import *
def callback1():
os.system('SPMI.py')
def callback2():
os.system('RFFE.py')
class MyOptionMenu(OptionMenu):
def __init__(self, master, status, *options):
self.var = StringVar(master)
self.var.set(status)
OptionMenu.__init__(self, master, self.var, *options)
self.config(font=('calibri',(10)),bg='white',width=12,fg='dark red')
self['menu'].config(font=('calibri',(10)),bg='white',fg='dark blue')
b1_1 = Button(Dragonfly, text = "Run", fg='blue',command=callback1)
b1_1.place(x=85,y=150)
b2_2= Button(Dragonfly, text = "Run", fg='blue',command=callback2)
b2_2.place(x=275,y=150)
Dragonfly = Tk()
Dragonfly.geometry('400x400+400+300')
Dragonfly.title('Dragonfly')
mainlabel = Label(text='Dragonfly Trigger Test',font=('calibri',(14)),fg='dark blue').pack()
mymenu1 = MyOptionMenu(Dragonfly, 'Select Protocol', 'SPMI','RFFE')
mymenu2 = MyOptionMenu(Dragonfly, 'Select Protocol', 'SPMI','RFFE')
mymenu1.place(x=40,y=100)
mymenu2.place(x=230,y=100)
m1label = Label(text='Frame Trigger',font=('calibri',(12)),fg='dark green').place(x=57,y=60)
m1labe2 = Label(text='External Trigger',font=('calibri',(12)),fg='dark green').place(x=240,y=60)
Dragonfly.mainloop()
使用self.var.get()
獲取組合框的值。 然后,您可以在回調中使用該值,以使回調的行為取決於組合框的設置。
import sys
from Tkinter import *
import subprocess
class MyOptionMenu(OptionMenu):
def __init__(self, master, status, *options):
self.var = StringVar(master)
self.var.set(status)
OptionMenu.__init__(self, master, self.var, *options)
self.config(
font=('calibri', (10)), bg='white', width=12, fg='dark red')
self['menu'].config(font=('calibri', (10)), bg='white', fg='dark blue')
def callback(self):
val = '{}.py'.format(self.var.get())
print(val)
# subprocess.call([val])
Dragonfly = Tk()
Dragonfly.geometry('400x400+400+300')
Dragonfly.title('Dragonfly')
mainlabel = Label(text='Dragonfly Trigger Test', font=('calibri', (14)),
fg='dark blue').pack()
mymenu1 = MyOptionMenu(Dragonfly, 'Select Protocol', 'SPMI', 'RFFE')
b1_1 = Button(Dragonfly, text="Run", fg='blue', command=mymenu1.callback)
b1_1.place(x=85, y=150)
mymenu2 = MyOptionMenu(Dragonfly, 'Select Protocol', 'SPMI', 'RFFE')
b2_2 = Button(Dragonfly, text="Run", fg='blue', command=mymenu2.callback)
b2_2.place(x=275, y=150)
mymenu1.place(x=40, y=100)
mymenu2.place(x=230, y=100)
m1label = Label(text='Frame Trigger', font=('calibri', (12)),
fg='dark green').place(x=57, y=60)
m1labe2 = Label(text='External Trigger', font=('calibri', (12)),
fg='dark green').place(x=240, y=60)
Dragonfly.mainloop()
順便說一句,首先創建帶有place
的GUI很容易,但是最后很麻煩。 一方面,隨着它的增長,更改布局變得越來越困難,因為插入新的小部件往往需要擺弄整個位置的硬編碼坐標。 另一個問題是窗口小部件布局無法適應窗口大小的變化。
由於這些原因,人們傾向於使用pack
或grid
來布局小部件:
import sys
import Tkinter as tk
import subprocess
class MyOptionMenu(tk.OptionMenu):
def __init__(self, master, status, *options):
self.var = tk.StringVar(master)
self.var.set(status)
tk.OptionMenu.__init__(self, master, self.var, *options)
self.config(
font=('calibri', (10)), bg='white', width=12, fg='dark red')
self['menu'].config(font=('calibri', (10)), bg='white', fg='dark blue')
def callback(self):
val = '{}.py'.format(self.var.get())
print(val)
# subprocess.call([val])
Dragonfly = tk.Tk()
Dragonfly.geometry('400x400+400+300')
Dragonfly.title('Dragonfly')
Dragonfly.columnconfigure(0, weight=1)
Dragonfly.columnconfigure(1, weight=1)
mainlabel = tk.Label(text='Dragonfly Trigger Test', font=('calibri', (14)),
fg='dark blue').grid(row=0, column=0, columnspan=2, pady=20)
mymenu1 = MyOptionMenu(Dragonfly, 'Select Protocol', 'SPMI', 'RFFE')
mymenu1.grid(row=2, column=0, pady=10, padx=10,)
b1_1 = tk.Button(Dragonfly, text="Run", fg='blue', command=mymenu1.callback)
b1_1.grid(row=3, column=0, pady=10, padx=10,)
mymenu2 = MyOptionMenu(Dragonfly, 'Select Protocol', 'SPMI', 'RFFE')
mymenu2.grid(row=2, column=1, pady=10, padx=10,)
b2_2 = tk.Button(Dragonfly, text="Run", fg='blue', command=mymenu2.callback)
b2_2.grid(row=3, column=1, pady=10, padx=10,)
m1label = tk.Label(text='Frame Trigger', font=('calibri', (12)),
fg='dark green').grid(row=1, column=0, pady=10, padx=10,)
m1labe2 = tk.Label(text='External Trigger', font=('calibri', (12)),
fg='dark green').grid(row=1, column=1, pady=10, padx=10,)
Dragonfly.mainloop()
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