在我登陆到GUI中的新页面后的第一~ 1秒内,在窗口到达正确布局之前(在下面的屏幕截图之前/之后),我立即看到大量的视觉问题。在
更新:
下面的代码将给出所需的错误。我觉得在调用show_frame函数时,初始帧与下一帧合并,并假定在预加载(隐藏/加载)下一帧之前,必须手动隐藏初始帧。我们非常感谢您在这方面的任何帮助,并感谢所有已经看过的人。在
import tkinter as Tk
from tkinter import font as tkfont
from tkinter import filedialog, ttk #browse directories; widget support
class Manifold(Tk.Tk):
def __init__(self, *args, **kwargs):
Tk.Tk.__init__(self, *args, **kwargs)
#custom font options:
self.title1_font = tkfont.Font(family='Helvetica',size=13) #normal type
#customized ttk GUI theme:
GUItheme = ttk.Style()
GUItheme.theme_use('alt')
container = Tk.Frame(self)
container.pack(side="top", fill="both", expand=True)
container.grid_rowconfigure(0, weight=1)
container.grid_columnconfigure(0, weight=1)
self.frames = {}
for F,geometry,title,options,wait in zip((StartPage,PageOne),
("532x279","528x270"),
("","Experimental Data"),
((False,False),(True,False)),
(100,100)):
page_name = F.__name__
frame = F(container, self)
self.frames[page_name] = (frame,geometry,title,options,wait) #puts all pages in stacked order
frame.grid(row=0, column=0, sticky="nsew")
self.show_frame("StartPage")
def show_frame(self, page_name): #show a frame for the given page name
frame, geometry, title, options, wait = self.frames[page_name]
self.geometry(geometry) #changes between window sizes
self.title(title) #changes titles of windows
self.resizable(*options) #changes ability of user to resize each window
self.withdraw()
frame.tkraise() #raises window to top
self.after(wait,self.deiconify) #preload page before viewing
self.update_idletasks()
class StartPage(Tk.Frame):
def __init__(self, parent, controller):
Tk.Frame.__init__(self, parent)
self.controller = controller
self.configure(background='black') #set window background color
#page one button:
button1 = ttk.Button(self, text="Page 1",
command=lambda: controller.show_frame("PageOne"))
button1.grid(row=0,column=0,sticky='W')
class PageOne(Tk.Frame):
def __init__(self, parent, controller):
Tk.Frame.__init__(self, parent)
self.controller = controller
self.configure(background='gray15') #set window background color
self.grid_columnconfigure(0,weight=1000) #for resizing window horizontally
#average volume filename:
self.label1 = Tk.Label(self, text="Average Volume Filename:",fg="gray90",bg="gray25",font=controller.title1_font)
self.label1.grid(row=0,column=0,ipadx=10,ipady=0,sticky='W')
self.label1.config(height=1)
self.entry1 = Tk.Entry(self,textvariable=Tk.StringVar(),highlightbackground="black",width=50)
self.entry1.grid(row=1,column=0,sticky="WE")
self.entry1.insert(0," .mrc, .spi")
self.entry1.configure(state="disabled") #prevent typing
self.browse1 = ttk.Button(self,text="Browse",
command=self.browse_button1)
self.browse1.grid(row=1,column=1,sticky='W')
#gathers volume input:
def browse_button1(self):
self.entry1.configure(state="normal") #unlocks typing for program
self.label1.config(fg="gray90",bg='gray25') #standard colors, or reset on additional wrong input
content_initial = self.entry1.get()
if __name__ == "__main__":
app = Manifold()
app.mainloop()
第二页:
删除所有要更新的调用,直到您的UI可以看到为止,不要使用
after(0, ...)
,因为零表示代码将在tkinter有机会处理任何其他事件之前运行,包括重新绘制屏幕部分的请求。在好吧,我想好了。使用上面的代码(在我最初问题的更新部分),我做了两个更改。第一个是在主类结构下:
第二个在
^{pr2}$show_frame
循环中,前面的wait
元组(在以for F, geometry,
开头的块内)设置为(10,10,10,10)
:如果有人最后遇到这样的事情,我希望这能有所帮助!在
隐藏出现故障的}实例,直到
Toplevel
或{after
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