Python Tkinter添加标签框
我一直在努力,但未能做到以下几点。 我有一个标签框和一些输入框。我想添加一个按钮,以便用户可以在工具中添加多个框架以及现有标签框架下的输入框和按钮。当添加新框架时,下面的文本框应该会移动。我的tkinter代码如下:Python Tkinter添加标签框,python,python-2.7,tkinter,Python,Python 2.7,Tkinter,我一直在努力,但未能做到以下几点。 我有一个标签框和一些输入框。我想添加一个按钮,以便用户可以在工具中添加多个框架以及现有标签框架下的输入框和按钮。当添加新框架时,下面的文本框应该会移动。我的tkinter代码如下: from Tkinter import * root=Tk() root.title("CIME") step = LabelFrame(root,text="Enter Details:") step.grid(row=0, columnspan=7, sticky='W',pa
from Tkinter import *
root=Tk()
root.title("CIME")
step = LabelFrame(root,text="Enter Details:")
step.grid(row=0, columnspan=7, sticky='W',padx=5, pady=5, ipadx=5, ipady=5)
Label(step,text="Competitors",font = "Arial 8 bold italic").grid(row=0,sticky='E', padx=5, pady=2)
Label(step,text="Keywords",font = "Arial 8 bold italic").grid(row=1,sticky='E', padx=5, pady=2)
Label(step,text="Project Name",font = "Arial 8 bold italic").grid(row=2,sticky='E', padx=5, pady=2)
e1 = Entry(step)
e2=Entry(step)
e3=Entry(step)
e1.grid(row=0,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
e2.grid(row=1,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
e3.grid(row=2,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
tex = Text(master=root)
scr=Scrollbar(root,orient =VERTICAL,command=tex.yview)
scr.grid(padx=1, column=7, rowspan=15, columnspan=1, sticky=NS)
tex.grid(row = 4,column=1)
tex.config(yscrollcommand=scr.set,font=('Arial', 8, 'bold', 'italic'))
#tex['yscrollcommand'] = sb.set
Button(step,text ="Search Words",width=10,font = "Arial 8 bold italic",activebackground="red",command=roll).grid(row=3,column=0,sticky=W,pady=4,padx=5)
Button(step,text="Google Search",width=10,font = "Arial 8 bold italic",command = links).grid(row=3,column=2,sticky=W,pady=4,padx=5)
Button(step,text="Extraxt Text",width=10,font = "Arial 8 bold italic",command = create).grid(row=3,column=4,sticky=W,pady=4,padx=5)
mainloop()
定义生成“输入详细信息”标签框的函数。并在new按钮的回调函数中调用它
from Tkinter import *
def roll(): pass
def links(): pass
def create(): pass
root=Tk()
root.title("CIME")
rows = 0
def create_detail_frame():
global rows
step = LabelFrame(root,text="Enter Details:")
step.grid(row=rows, columnspan=7, sticky='W',padx=5, pady=5, ipadx=5, ipady=5)
Label(step,text="Competitors",font = "Arial 8 bold italic").grid(row=0,sticky='E', padx=5, pady=2)
Label(step,text="Keywords",font = "Arial 8 bold italic").grid(row=1,sticky='E', padx=5, pady=2)
Label(step,text="Project Name",font = "Arial 8 bold italic").grid(row=2,sticky='E', padx=5, pady=2)
e1 = Entry(step)
e2 = Entry(step)
e3 = Entry(step)
e1.grid(row=0,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
e2.grid(row=1,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
e3.grid(row=2,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
Button(step,text ="Search Words",width=10,font = "Arial 8 bold italic",activebackground="red",command=roll).grid(row=3,column=0,sticky=W,pady=4,padx=5)
Button(step,text="Google Search",width=10,font = "Arial 8 bold italic",command=links).grid(row=3,column=2,sticky=W,pady=4,padx=5)
Button(step,text="Extraxt Text",width=10,font = "Arial 8 bold italic",command = create).grid(row=3,column=4,sticky=W,pady=4,padx=5)
rows += 1
# Reposition text, scroll
#scr.grid_forget()
#tex.grid_forget()
#scr.grid(row=rows, padx=1, column=7, rowspan=15, columnspan=1, sticky=NS)
#tex.grid(row=rows,column=1)
# Reposition text, scroll
scr.grid(row=rows)
tex.grid(row=rows)
tex = Text(master=root)
scr=Scrollbar(root,orient =VERTICAL,command=tex.yview)
scr.grid(row=1, padx=1, column=7, rowspan=15, columnspan=1, sticky=NS)
tex.grid(row=1,column=1)
tex.config(yscrollcommand=scr.set,font=('Arial', 8, 'bold', 'italic'))
Button(root, text='Add detail frame', command=create_detail_frame).grid(row=0, column=7)
create_detail_frame()
mainloop()
注意:我使用了一个全局变量
rows
来跟踪文本小部件上方有多少网格行。解决方案的第一部分是创建一个函数来创建labelframe和entry小部件。更好的方法是将代码移动到一个类中,这样您就可以将整个过程视为一个小部件。这将使您的代码更容易理解,也更容易直观地进行布局
例如:
class CustomFrame(LabelFrame):
def __init__(self, parent, text):
LabelFrame.__init__(self, parent, text=text)
Label(self,text="Competitors",font = "Arial 8 bold italic").grid(row=0,sticky='E', padx=5, pady=2)
Label(self,text="Keywords",font = "Arial 8 bold italic").grid(row=1,sticky='E', padx=5, pady=2)
Label(self,text="Project Name",font = "Arial 8 bold italic").grid(row=2,sticky='E', padx=5, pady=2)
self.e1=Entry(self)
self.e2=Entry(self)
self.e3=Entry(self)
self.e1.grid(row=0,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
self.e2.grid(row=1,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
self.e3.grid(row=2,column=1,columnspan=7, sticky="WE", pady=3,padx=5)
Button(self,text ="Search Words",width=10,font = "Arial 8 bold italic", activebackground="red",
command=roll).grid(row=3,column=0,sticky=W,pady=4,padx=5)
Button(self,text="Google Search",width=10,font = "Arial 8 bold italic",
command = links).grid(row=3,column=2,sticky=W,pady=4,padx=5)
Button(self,text="Extraxt Text",width=10,font = "Arial 8 bold italic",
command = create).grid(row=3,column=4,sticky=W,pady=4,padx=5)
def getValues(self):
"""Return a dictionary of values from the widget"""
return {"competitors": self.e1.get(),
"keywords": self.e2.get(),
"name": self.e3.get()
}
接下来,您可以使用该函数创建初始的小部件集。另外,由于要添加新的标签帧,最好使用pack
来管理这些帧,这样就不必一直向网格中添加行。因此,我建议您仅为LabelFrame创建一个容器。然后可以使用pack将它们一个叠在另一个上
您的主程序如下所示:
root = Tk()
root.title("CIME")
frames = Frame(root)
frames.grid(row=0, column=0, sticky="nsew")
tex = Text(master=root)
scr=Scrollbar(root,orient =VERTICAL,command=tex.yview)
scr.grid(row = 1, column=1, padx=1, sticky=NS)
tex.grid(row = 1, column=0)
tex.config(yscrollcommand=scr.set,font=('Arial', 8, 'bold', 'italic'))
step = CustomFrame(frames, "Enter Details:")
step.pack(side="top")
mainloop()
现在,只要在每次需要另一个帧时创建一个新实例即可。如果保留对小部件的引用,可以使用getValues
方法返回包含每个输入小部件的值的字典
现在您只需要一个非常简单的函数来创建CustomFrame
和pack
的新实例,它位于frames
中。它看起来像这样:
def newFrame():
f = CustomFrame(frames, "Another Frame")
f.pack(side="top")
。。。不过,您可能希望将
f
附加到列表或字典中,以便在代码中稍后的某个点获取值 它会删除现有的网格吗?Preety惊人的解决方案..感谢mil:)