"""
自制弹出输入框测试程序.py 这是一个研究如何自制弹出输入框的测试程序,
(由于对turtle的textinput命令不满意)
"""
from tkinter import *
import sys
class popupWindow:
def __init__(self,master):
top=self.top=Toplevel(master)
top.withdraw()
m_x = master.winfo_rootx()
m_y = master.winfo_rooty()
p_width= master.winfo_reqwidth()
p_height= master.winfo_reqheight()
s_width= self.top.winfo_reqwidth()
s_height= self.top.winfo_reqheight()
print('master.winfo_rootx=',m_x)
print('master.winfo_rooty=',m_y)
print('p_width=',p_width)
print('p_height=',p_height)
print('s_width=',s_width)
print('s_height=',s_height)
width = p_width//3
height = 60
self.top.geometry("%dx%d+%d+%d" % (p_width//3,60,master.winfo_rootx()+(p_width-width)//2,
master.winfo_rooty()+p_height - height*2))
self.l=Label(top,text="请输入文本:")
self.l.pack()
self.e=Entry(top,width=p_width//24)
self.e.pack()
self.b=Button(top,text=' 确 定 ', command=self.cleanup)
self.b.pack()
self.top.deiconify() #显示
def cleanup(self):
self.value=self.e.get()
self.top.destroy()
class mainWindow(object):
def __init__(self,master):
self.master=master
self.b=Button(master,text="click me!",command=self.popup)
self.b.pack()
self.b2=Button(master,text="print value",command=lambda: sys.stdout.write(self.entryValue()+'\n'))
self.b2.pack()
def popup(self):
self.w=popupWindow(self.master)
self.b["state"] = "disabled"
self.master.wait_window(self.w.top)
self.b["state"] = "normal"
def entryValue(self):
return self.w.value
if __name__ == "__main__":
root=Tk()
c = Canvas(width=800,height=600,bg='yellow')
c.pack()
m=mainWindow(root)
root.mainloop()
