def __init__(self, parent=None, **options):
Frame.__init__(self, parent, **options)
self.pack()
Label(self, text='Scale demos').pack()
self.var = IntVar()
# 两个Scale对象设置同样的variable，滑动一个标尺，另一个标尺位置自动变化
Scale(self,
label='Pick demo number',
command=self.onMove,
variable=self.var,
from_=0,
to=len(demos) - 1).pack()
Scale(
self,
label='Pick demo number',
command=self.onMove,
variable=self.var, # command 对应的回调函数会自动获取对象值作为参数
from_=0,
to=len(demos) - 1,
length=200,
tickinterval=1,
showvalue=YES,
orient='horizontal').pack()
Quitter(self).pack(side=LEFT)
Button(self, text='Run demo', command=self.onRun).pack(side=LEFT)
Button(self, text='State', command=self.report).pack(side=RIGHT)
def __init__(self, parent=None):
Frame.__init__(self, parent)
self.pack()
Label(self, text='Basic Demos').pack()
for key in demos:
func = (lambda key=key: self.printit(key)) # 使用 lambda 函数传递回调数据
Button(self, text=key, command=func).pack(side=TOP, fill=BOTH)
Quitter(self).pack(side=TOP, fill=BOTH)
def __init__(self, parent=None, file=None):
frm = Frame(parent)
frm.pack(fill=X)
Button(frm, text='Save', command=self.onSave).pack(side=LEFT)
Button(frm, text='Cut', command=self.onCut).pack(side=LEFT)
Button(frm, text='Paste', command=self.onPaste).pack(side=LEFT)
Button(frm, text='Find', command=self.onFind).pack(side=LEFT)
Quitter(frm).pack(side=LEFT)
ScrolledText.__init__(self, parent, file=file)
self.text.config(font=('courier', 12, 'normal'))
def __init__(self, parent=None, **options):
Frame.__init__(self, parent, **options)
self.pack()
Label(self, text='Radio demos').pack(side=TOP)
self.var = StringVar()
for key in demos:
Radiobutton(self,
text=key,
command=self.onPress,
variable=self.var,
value=key).pack(anchor=NW)
# 每个单选按钮设定了不同的value值，但关联了同一个变量 self.var
# 哪个按钮被选中，共享变量self.var的值即变为该按钮的value
self.var.set(key)
Button(self, text='State', command=self.report).pack(fill=X)
Quitter(self).pack(fill=X)
#!python3
# entry1.py -
from tkinter import *
from dialogTable import Quitter
def fetch(): # 获取文本输入框类文本
print('Input =>"%s"' % ent.get())
root = Tk()
ent = Entry(root, show='*')
ent.insert(0, 'Type words here')
ent.pack(side=TOP, fill=X)
ent.focus() # 设置得出输入字段的输入焦点，可以使用户在输入前不必单击输入框
ent.bind('<Return>', (lambda event: fetch()))
btn = Button(root, text='Fetch', command=fetch)
btn.pack(side=LEFT)
Quitter(root).pack(side=RIGHT)
root.mainloop()
from dialogTable import Quitter
demoMudules = ['dialogTable', 'demoCheck', 'demoRadio', 'demoScale']
parts = []
def addComponents(root):
for demo in demoMudules:
module = __import__(demo)
part = module.Demo(root)
part.config(bd=2, relief=GROOVE)
part.pack(side=LEFT, fill=BOTH, expand=YES)
parts.append(part)
def dumpState():
for part in parts:
print(part.__module__ + ':', end=' ')
if hasattr(part, 'report'):
part.report()
else:
print('none')
root = Tk()
root.title('Frames')
Label(root, text='Multipile Frame demo', bg='white').pack()
Button(root, text='State', command=dumpState).pack(fill=X)
Quitter(root).pack(fill=X)
addComponents(root)
root.mainloop()
def tools(self):
frm = Frame(self)
frm.pack(side=RIGHT)
Button(frm, text='State', command=self.report).pack(fill=X)
Quitter(frm).pack(fill=X)