[英]Python 3.5 tkinter: resizing widgets to window
我正在阅读，正在阅读，但是仍然找不到适合我问题的答案。 我计划创建一个“ Masterwindow”，在其中实现多个框架（当前为左侧的导航面板，为“ RootFrame”，当没有进程运行时，该框架显示在底部，状态栏用于警告和处理）运行下面的代码，一切正常，但框架无法根据窗口的大小进行调整。
现在，我知道，我需要在主类和子类中进行一些粘贴，并将grid_column-和rowconfigure的权重设置为> 0，但是仍然没有任何反应。
我看不出原因。 我想念什么？ 我是否需要将所有内容放到另一个主机架中？ 我坚持主窗口？ 那是不对的，因为我到处都继承了Frames ...
感谢您的努力和投入。 rgds
ps：哦，顺便说一句：any1可以告诉我如何遍历grid方法中的行，以便我可以简单地说“将下一行的小部件网格化”（相对），而不必使用绝对整数吗？
# -*- coding: UTF-8 -*-
import tkinter.ttk
from tkinter import *
class MainApplication(tkinter.Frame):
@classmethod
def main(cls):
root = tkinter.Tk()
app = cls(root)
app.master.title('Sample')
root.resizable(True, True)
root.mainloop()
def __init__(self, parent=None, *args, **kwargs):
tkinter.Frame.__init__(self, parent, *args, **kwargs)
self.grid(sticky=N+E+S+W)
# Var-Declaration
self.h = 600
self.w = 1200
self.widget_fr_opts = dict(relief='groove', borderwidth=1, bg='#EFEFFB')
# Widget-Creation
self.rootframe = RootFrame(self)
self._visible_ = self.rootframe # internal updater what frame is visible - starting with rootframe on init
self.statusbar = Statusbar(self)
self.navbar = Navbar(self)
self.main_db = MainDB(self)
# Widget-Design
# Widget-Arrangement
self.grid_rowconfigure(0, minsize=self.h * 0.95)
self.grid_rowconfigure(1, minsize=self.h * 0.05)
self.grid_columnconfigure(0, minsize=self.w*0.15)
self.grid_columnconfigure(1, minsize=self.w*0.85)
self.navbar.grid(sticky=N+S+E+W, column=0, row=0)
self.main_db.grid(sticky=N+E+S+W, column=1, row=0)
self.rootframe.grid(sticky=N+E+S+W, column=1, row=0)
self.statusbar.grid(sticky=W+E, column=0, columnspan=2, row=1)
self.grid_columnconfigure(1, weight=1)
self.statusbar.columnconfigure(0, weight=1)
self.rootframe.columnconfigure(0, weight=1)
self.main_db.columnconfigure(0, weight=1)
self.grid_rowconfigure(0, weight=1)
self.navbar.rowconfigure(4, weight=1)
self.rootframe.rowconfigure(0, weight=1)
self.main_db.rowconfigure(0, weight=1)
self.rootframe.lift(self.main_db)
def visualize(self, master):
"""Lifts master to upper Level"""
master.lift(self.rootframe)
self._visible_ = master
def event_handler(self):
pass
def start_subapp(self, app):
self.visualize(app)
app.activate_content()
class RootFrame(tkinter.Frame):
"""General Launcher Frame as a Placeholder"""
def __init__(self, parent, *args, **kwargs):
tkinter.Frame.__init__(self, parent, *args, **kwargs)
# Var-Daclaration
self.widget_fr_opts = dict(relief='sunken', borderwidth=1)
self.widget_grid_opts = dict(sticky=N+E+S+W, padx=1, pady=1)
# Widget-Creation
self.Image = tkinter.ttk.Label(self, text='there would be a centered image right here', anchor='center')
# Widget-Design
self.configure(**self.widget_fr_opts)
# Widget-Arrangement
self.Image.grid(column=0, row=0, **self.widget_grid_opts)
self.grid_columnconfigure(0, weight=1)
self.grid_rowconfigure(0, weight=1)
class Navbar(tkinter.Frame):
"""vertical NavBar"""
def __init__(self, parent, *args, **kwargs):
tkinter.Frame.__init__(self, parent, *args, **kwargs)
# Var-Daclaration
self._info_ = tkinter.StringVar()
self.widget_fr_opts = dict(relief='groove', borderwidth=1)
self.widget_grid_opts = dict(sticky=N+E+S+W, padx=1, pady=1)
self.widget_grid_subopts = dict(sticky=W+N+E, padx=1, pady=1)
self._statusbar = parent.statusbar
# Widget-Creation
self._info_.set('Menu:\n...Menusentences:')
self.TextInfo = tkinter.ttk.Label(self, textvariable=self._info_)
self.Btn_Progress = tkinter.ttk.Button(self, text='Start Progress',
command=lambda: self.statusbar_input('Starting progress ...')) # some code being started
self.Btn_Database = tkinter.ttk.Button(self, text='Database',
command=lambda: parent.start_subapp(parent.main_db)) # Database window is lifted and content initialized
self.Btn_Exit = tkinter.ttk.Button(self, text='Exit', command=parent.quit)
# Widget-Design
self.configure(**self.widget_fr_opts)
# Widget-Arrangement
self.TextInfo.grid(column=0, row=1, **self.widget_grid_subopts)
self.Btn_Progress.grid(column=0, row=2, **self.widget_grid_subopts)
self.Btn_Database.grid(column=0, row=3, **self.widget_grid_subopts)
self.Btn_Exit.grid(column=0, row=4, **self.widget_grid_subopts)
self.grid_columnconfigure(0, weight=1)
self.grid_rowconfigure(0, weight=0)
self.grid_rowconfigure(1, weight=0)
self.grid_rowconfigure(2, weight=0)
self.grid_rowconfigure(3, weight=0)
self.grid_rowconfigure(4, weight=0)
def statusbar_input(self, comm: str):
self._statusbar.start()
self._statusbar._info_.set(comm)
class Statusbar(tkinter.Frame):
"""Status-Bar at the bottom"""
def __init__(self, parent, *args, **kwargs):
tkinter.Frame.__init__(self, parent, *args, **kwargs)
# Var-Daclaration
self.prgrvalue = tkinter.IntVar()
self._info_ = tkinter.StringVar()
self._user_ = 'some user'
self.widget_fr_opts = dict(relief='sunken', borderwidth=1)
self.widget_grid_opts = dict(padx=1, pady=1)
self.widget_grid_subopts = dict(padx=1, pady=1) # sticky=W + E,
# Widget-Creation
self._info_.set('Initializing ...')
self.prgrvalue.set(0)
self.TextInfo = tkinter.ttk.Label(self, textvariable=self._info_)
self.UserInfo = tkinter.ttk.Label(self, textvariable=self._user_)
self.progress_ = tkinter.ttk.Progressbar(self)
self.Btn_Move = tkinter.ttk.Button(self, text='Move it', command=lambda: self.start()) # just for initial testing, will be removed later
self.Btn_Stop = tkinter.ttk.Button(self, text='Stop it', command=lambda: self.stop())
# Widget-Design
self.configure(**self.widget_fr_opts)
self.progress_.configure(length=200, mode='determinate', orient=tkinter.HORIZONTAL)
# Widget-Arrangement
self.progress_.grid(sticky=W+E, column=0, row=0, **self.widget_grid_subopts)
self.TextInfo.grid(column=1, row=0, **self.widget_grid_subopts)
self.UserInfo.grid(column=2, row=0, padx=1, pady=1) # sticky=E,
self.Btn_Move.grid(column=3, row=0, **self.widget_grid_subopts)
self.Btn_Stop.grid(column=4, row=0, **self.widget_grid_subopts)
self.grid_columnconfigure(0, weight=1)
self.grid_columnconfigure(1, minsize=200)
self.grid_columnconfigure(2, minsize=200)
def start(self):
# just testing
self.progress_.start()
def stop(self):
# just testing
self.progress_.stop()
class MainDB(tkinter.Frame):
"""Frame for visualizing database."""
def __init__(self, parent, *args, **kwargs):
tkinter.Frame.__init__(self, parent, *args, **kwargs)
# Var-Daclaration
self._activated_ = False
self._source_ = None
self.combotext = tkinter.StringVar()
self.combotext.set('Please choose a tab...')
self.widget_fr_opts = dict(relief='sunken', borderwidth=1)
self.widget_grid_opts = dict(sticky=N+E+S+W, padx=1, pady=1)
# Widget-Creation
# CREATION OF TOOLS TO MANIPULATE DATABASE
self.toolframe = tkinter.Frame(self, width=100, height=50, relief='groove', borderwidth=1)
self.combo = tkinter.ttk.Combobox(self.toolframe, textvariable=self.combotext)
# more to come
# CREATION OF DATABASE'WINDOW
self.dbframe = tkinter.Frame(self, width=100, relief='groove', borderwidth=1)
self.db_treeview = tkinter.ttk.Treeview(self.dbframe, columns=('size', 'modified'), selectmode='extended')
# more to come
# Widget-Design
# Widget-Arrangement
self.toolframe.grid(column=0, row=0, sticky=N+E+W, padx=1, pady=1)
self.combo.grid(column=0, row=0, sticky=N+E, padx=1, pady=1)
self.dbframe.grid(column=0, row=1, sticky=NSEW, padx=1, pady=1)
self.db_treeview.grid(column=0, row=0, sticky=NSEW, padx=1, pady=1)
self.grid_columnconfigure(0, weight=1)
self.grid_rowconfigure(0, weight=0)
self.grid_rowconfigure(1, weight=1)
self.dbframe.grid_columnconfigure(0, weight=1)
self.dbframe.grid_rowconfigure(0, weight=1, minsize=600)
self.toolframe.grid_columnconfigure(0, weight=1)
self.toolframe.grid_rowconfigure(0, weight=1)
def activate_content(self):
# some contentloading and initializations
pass
def db_connector(self, comm: str, save=False) -> bool:
# some connection code
pass
if __name__ == '__main__':
UserScreen = MainApplication.main()
您忽略了根窗口中任何行或列的权重。 没有它，tkinter在调整窗口大小时不知道如何分配额外的空间。
def main(cls):
...
root.grid_rowconfigure(0, weight=1)
root.grid_columnconfigure(0, weight=1)
由于您仅将单个窗口小部件放在根窗口中，因此我建议使用pack因为您可以在一行中完成所有操作。
self.pack(fill="both", expand=True)
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