Python 如何设置tk.simpledialog的背景色?
有没有办法设置tkinter simpledialog窗口的背景色? 我正试图通过改变背景颜色来实现一个暗模式主题,并且正在努力让simpledialog和filedialog窗口也跟着做。 我目前的方法是在创建一个新的顶层之后立即检查是否应该应用darkmode,但是我在Tkinter对话框文档中找不到关于simpledialogs选项的任何信息Python 如何设置tk.simpledialog的背景色?,python,tkinter,Python,Tkinter,有没有办法设置tkinter simpledialog窗口的背景色? 我正试图通过改变背景颜色来实现一个暗模式主题,并且正在努力让simpledialog和filedialog窗口也跟着做。 我目前的方法是在创建一个新的顶层之后立即检查是否应该应用darkmode,但是我在Tkinter对话框文档中找不到关于simpledialogs选项的任何信息 top = tk.Toplevel() if self.config["global"]["darkmode"] == "True": to
top = tk.Toplevel()
if self.config["global"]["darkmode"] == "True":
top.configure(bg='black')
Simpledialog调用:
cur_row = tk.simpledialog.askinteger("Row Selection", msg_string, parent = parent)
没有现有的参数,但我对tkinter.simpledialog的代码进行了一些挖掘,结果表明askinteger无论如何都是基于顶级类的,因此如果您将tkinter/simpledialog.py更改为此答案末尾的代码,它会向simpledialog添加一个bg参数,您可以使用如下:
cur_row = tk.simpledialog.askinteger("Row Selection", msg_string, parent = parent, bg = "black")
我希望这有帮助:)
以下是完整的代码:
#
# An Introduction to Tkinter
#
# Copyright (c) 1997 by Fredrik Lundh
#
# This copyright applies to Dialog, askinteger, askfloat and asktring
#
# fredrik@pythonware.com
# http://www.pythonware.com
#
"""This modules handles dialog boxes.
It contains the following public symbols:
SimpleDialog -- A simple but flexible modal dialog box
Dialog -- a base class for dialogs
askinteger -- get an integer from the user
askfloat -- get a float from the user
askstring -- get a string from the user
"""
from tkinter import *
from tkinter import messagebox
import tkinter # used at _QueryDialog for tkinter._default_root
class SimpleDialog:
def __init__(self, master,
text='', buttons=[], default=None, cancel=None,
title=None, class_=None):
if class_:
self.root = Toplevel(master, class_=class_)
else:
self.root = Toplevel(master)
if title:
self.root.title(title)
self.root.iconname(title)
self.message = Message(self.root, text=text, aspect=400)
self.message.pack(expand=1, fill=BOTH)
self.frame = Frame(self.root)
self.frame.pack()
self.num = default
self.cancel = cancel
self.default = default
self.root.bind('<Return>', self.return_event)
for num in range(len(buttons)):
s = buttons[num]
b = Button(self.frame, text=s,
command=(lambda self=self, num=num: self.done(num)))
if num == default:
b.config(relief=RIDGE, borderwidth=8)
b.pack(side=LEFT, fill=BOTH, expand=1)
self.root.protocol('WM_DELETE_WINDOW', self.wm_delete_window)
self._set_transient(master)
def _set_transient(self, master, relx=0.5, rely=0.3):
widget = self.root
widget.withdraw() # Remain invisible while we figure out the geometry
widget.transient(master)
widget.update_idletasks() # Actualize geometry information
if master.winfo_ismapped():
m_width = master.winfo_width()
m_height = master.winfo_height()
m_x = master.winfo_rootx()
m_y = master.winfo_rooty()
else:
m_width = master.winfo_screenwidth()
m_height = master.winfo_screenheight()
m_x = m_y = 0
w_width = widget.winfo_reqwidth()
w_height = widget.winfo_reqheight()
x = m_x + (m_width - w_width) * relx
y = m_y + (m_height - w_height) * rely
if x+w_width > master.winfo_screenwidth():
x = master.winfo_screenwidth() - w_width
elif x < 0:
x = 0
if y+w_height > master.winfo_screenheight():
y = master.winfo_screenheight() - w_height
elif y < 0:
y = 0
widget.geometry("+%d+%d" % (x, y))
widget.deiconify() # Become visible at the desired location
def go(self):
self.root.wait_visibility()
self.root.grab_set()
self.root.mainloop()
self.root.destroy()
return self.num
def return_event(self, event):
if self.default is None:
self.root.bell()
else:
self.done(self.default)
def wm_delete_window(self):
if self.cancel is None:
self.root.bell()
else:
self.done(self.cancel)
def done(self, num):
self.num = num
self.root.quit()
class Dialog(Toplevel):
'''Class to open dialogs.
This class is intended as a base class for custom dialogs
'''
def __init__(self, parent, title = None, bg = None):
'''Initialize a dialog.
Arguments:
parent -- a parent window (the application window)
title -- the dialog title
'''
Toplevel.__init__(self, parent, bg = bg)
self.withdraw() # remain invisible for now
# If the master is not viewable, don't
# make the child transient, or else it
# would be opened withdrawn
if parent.winfo_viewable():
self.transient(parent)
if title:
self.title(title)
self.parent = parent
self.result = None
body = Frame(self)
self.initial_focus = self.body(body)
body.pack(padx=5, pady=5)
self.buttonbox()
if not self.initial_focus:
self.initial_focus = self
self.protocol("WM_DELETE_WINDOW", self.cancel)
if self.parent is not None:
self.geometry("+%d+%d" % (parent.winfo_rootx()+50,
parent.winfo_rooty()+50))
self.deiconify() # become visible now
self.initial_focus.focus_set()
# wait for window to appear on screen before calling grab_set
self.wait_visibility()
self.grab_set()
self.wait_window(self)
def destroy(self):
'''Destroy the window'''
self.initial_focus = None
Toplevel.destroy(self)
#
# construction hooks
def body(self, master):
'''create dialog body.
return widget that should have initial focus.
This method should be overridden, and is called
by the __init__ method.
'''
pass
def buttonbox(self):
'''add standard button box.
override if you do not want the standard buttons
'''
box = Frame(self)
w = Button(box, text="OK", width=10, command=self.ok, default=ACTIVE)
w.pack(side=LEFT, padx=5, pady=5)
w = Button(box, text="Cancel", width=10, command=self.cancel)
w.pack(side=LEFT, padx=5, pady=5)
self.bind("<Return>", self.ok)
self.bind("<Escape>", self.cancel)
box.pack()
#
# standard button semantics
def ok(self, event=None):
if not self.validate():
self.initial_focus.focus_set() # put focus back
return
self.withdraw()
self.update_idletasks()
try:
self.apply()
finally:
self.cancel()
def cancel(self, event=None):
# put focus back to the parent window
if self.parent is not None:
self.parent.focus_set()
self.destroy()
#
# command hooks
def validate(self):
'''validate the data
This method is called automatically to validate the data before the
dialog is destroyed. By default, it always validates OK.
'''
return 1 # override
def apply(self):
'''process the data
This method is called automatically to process the data, *after*
the dialog is destroyed. By default, it does nothing.
'''
pass # override
# --------------------------------------------------------------------
# convenience dialogues
class _QueryDialog(Dialog):
def __init__(self, title, prompt,
initialvalue=None,
minvalue = None, maxvalue = None,
parent = None, bg = None):
if not parent:
parent = tkinter._default_root
self.prompt = prompt
self.minvalue = minvalue
self.maxvalue = maxvalue
self.initialvalue = initialvalue
Dialog.__init__(self, parent, title, bg = bg)
def destroy(self):
self.entry = None
Dialog.destroy(self)
def body(self, master):
w = Label(master, text=self.prompt, justify=LEFT)
w.grid(row=0, padx=5, sticky=W)
self.entry = Entry(master, name="entry")
self.entry.grid(row=1, padx=5, sticky=W+E)
if self.initialvalue is not None:
self.entry.insert(0, self.initialvalue)
self.entry.select_range(0, END)
return self.entry
def validate(self):
try:
result = self.getresult()
except ValueError:
messagebox.showwarning(
"Illegal value",
self.errormessage + "\nPlease try again",
parent = self
)
return 0
if self.minvalue is not None and result < self.minvalue:
messagebox.showwarning(
"Too small",
"The allowed minimum value is %s. "
"Please try again." % self.minvalue,
parent = self
)
return 0
if self.maxvalue is not None and result > self.maxvalue:
messagebox.showwarning(
"Too large",
"The allowed maximum value is %s. "
"Please try again." % self.maxvalue,
parent = self
)
return 0
self.result = result
return 1
class _QueryInteger(_QueryDialog):
errormessage = "Not an integer."
def getresult(self):
return self.getint(self.entry.get())
def askinteger(title, prompt, **kw):
'''get an integer from the user
Arguments:
title -- the dialog title
prompt -- the label text
**kw -- see SimpleDialog class
Return value is an integer
'''
d = _QueryInteger(title, prompt, **kw)
return d.result
class _QueryFloat(_QueryDialog):
errormessage = "Not a floating point value."
def getresult(self):
return self.getdouble(self.entry.get())
def askfloat(title, prompt, **kw):
'''get a float from the user
Arguments:
title -- the dialog title
prompt -- the label text
**kw -- see SimpleDialog class
Return value is a float
'''
d = _QueryFloat(title, prompt, **kw)
return d.result
class _QueryString(_QueryDialog):
def __init__(self, *args, **kw):
if "show" in kw:
self.__show = kw["show"]
del kw["show"]
else:
self.__show = None
_QueryDialog.__init__(self, *args, **kw)
def body(self, master):
entry = _QueryDialog.body(self, master)
if self.__show is not None:
entry.configure(show=self.__show)
return entry
def getresult(self):
return self.entry.get()
def askstring(title, prompt, **kw):
'''get a string from the user
Arguments:
title -- the dialog title
prompt -- the label text
**kw -- see SimpleDialog class
Return value is a string
'''
d = _QueryString(title, prompt, **kw)
return d.result
if __name__ == '__main__':
def test():
root = Tk()
def doit(root=root):
d = SimpleDialog(root,
text="This is a test dialog. "
"Would this have been an actual dialog, "
"the buttons below would have been glowing "
"in soft pink light.\n"
"Do you believe this?",
buttons=["Yes", "No", "Cancel"],
default=0,
cancel=2,
title="Test Dialog")
print(d.go())
print(askinteger("Spam", "Egg count", initialvalue=12*12))
print(askfloat("Spam", "Egg weight\n(in tons)", minvalue=1,
maxvalue=100))
print(askstring("Spam", "Egg label"))
t = Button(root, text='Test', command=doit)
t.pack()
q = Button(root, text='Quit', command=t.quit)
q.pack()
t.mainloop()
test()
#
#Tkinter简介
#
#Fredrik Lundh版权所有(c)1997
#
#本版权适用于Dialog、askinteger、askfloat和asktring
#
# fredrik@pythonware.com
# http://www.pythonware.com
#
“”“此模块处理对话框。
它包含以下公共符号:
SimpleDialog--一个简单但灵活的模态对话框
Dialog——对话框的基类
askinteger——从用户处获取一个整数
askfloat——从用户处获取一个float
askstring——从用户处获取字符串
"""
从tkinter进口*
从tkinter导入消息框
导入tkinter#用于tkinter的_QueryDialog._default_root
类SimpleDialog:
定义初始(自我,主,
text='',buttons=[],default=None,cancel=None,
标题=无,类别=无):
如果类别为:
self.root=Toplevel(主控,类=class)
其他:
self.root=顶级(主)
如果标题为:
self.root.title(title)
self.root.iconname(标题)
self.message=message(self.root,text=text,aspect=400)
self.message.pack(expand=1,fill=2)
self.frame=frame(self.root)
self.frame.pack()
self.num=默认值
self.cancel=取消
self.default=default
self.root.bind(“”,self.return\u事件)
对于范围内的num(len(按钮)):
s=按钮[num]
b=按钮(self.frame,text=s,
命令=(lambda self=self,num=num:self.done(num)))
如果num==默认值:
b、 形态(起伏=山脊,边界宽度=8)
b、 包装(侧面=左侧,填充=两侧,展开=1)
self.root.protocol('WM\u DELETE\u WINDOW',self.WM\u DELETE\u WINDOW)
自我设置瞬态(主)
def设置瞬态(自、主、relx=0.5、relx=0.3):
widget=self.root
widget.draw()#在计算几何图形时保持不可见
小部件瞬态(主)
widget.update_idletasks()#实现几何信息
如果master.winfo_为apped():
m_width=master.winfo_width()
m_height=master.winfo_height()
m_x=master.winfo_rootx()
m_y=master.winfo_rooty()
其他:
m_width=master.winfo_screenwidth()
m_高度=master.winfo_屏幕高度()
m_x=m_y=0
w_width=widget.winfo_reqwidth()
w_height=widget.winfo_reqheight()
x=m_x+(m_宽度-w_宽度)*relx
y=m_y+(m_高度-w_高度)*
如果x+w_width>master.winfo_screenwidth():
x=master.winfo_screenwidth()-w_width
elif x<0:
x=0
如果y+w_高度>master.winfo_屏幕高度():
y=master.winfo_屏幕高度()-w_高度
elif y<0:
y=0
几何体(“++%d++%d”%(x,y))
widget.deiconify()#在所需位置可见
def go(自我):
self.root.wait\u可见性()
self.root.grab_set()
self.root.mainloop()
self.root.destroy()
返回self.num
def返回_事件(自身,事件):
如果self.default为无:
self.root.bell()
其他:
self.done(self.default)
def wm_删除_窗口(自):
如果self.cancel为无:
self.root.bell()
其他:
self.done(self.cancel)
def done(self,num):
self.num=num
self.root.quit()
类对话框(顶级):
''类打开对话框。
该类用作自定义对话框的基类
'''
def uuu init uuuu(self,parent,title=None,bg=None):
''初始化一个对话框。
论据:
父窗口——父窗口(应用程序窗口)
标题——对话框标题
'''
顶层。初始化(自,父,bg=bg)
self.draw()#暂时不可见
#如果主控形状不可见,请不要
#让孩子转瞬即逝,否则
#将被打开或撤回
如果parent.winfo_可视():
自身瞬态(父级)
如果标题为:
自己的头衔(头衔)
self.parent=parent
self.result=None
主体=框架(自身)
self.initial_focus=self.body(body)
体包(padx=5,pady=5)
self.buttonbox()
如果不是self.initial\u焦点:
self.initial_focus=self
self.protocol(“WM_删除_窗口”,self.cancel)
如果self.parent不是None:
self.geometry(“++%d++%d%”)(parent.winfo_rootx()+50,
parent.winfo_rooty()+50))
self.deiconify()#现在可见
self.initial\u focus.focus\u set()
#等待窗口出现在屏幕上,然后调用grab_set
self.wait_可见性()
self.grab_set()
self.wait_窗口(self)
def销毁(自我):
“破坏窗户”
self.initial\u focus=无
顶级。摧毁(自我)
#
#施工挂钩
def主体(自身、主):
''创建对话框主体。
返回widg