Python tkinter._default_root方法代码示例

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def __init__(self, master=None, title=None, buttons=OK_BUTTON,
            default=OK_BUTTON):
        master = master or tk._default_root
        super().__init__(master)
        self.withdraw() # hide until ready to show
        if title is not None:
            self.title(title)
        self.buttons = buttons
        self.default = default
        self.acceptButton = None
        self.__create_ui()
        self.__position()
        self.ok = None
        self.deiconify() # show
        if self.grid() is None: # A saner minsize than 1x1
            self.minsize(80, 40)
        else:
            self.minsize(10, 5)
        if self.winfo_viewable():
            self.transient(master)
        self.initialize()
        self.initialFocusWidget.focus() # give focus to first widget
        self.wait_visibility()
        self.grab_set()
        self.wait_window(self) 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def _do_until_timeout(self, queue, args):
        rect, color, seconds = args
        if tk._default_root is None:
            Debug.log(3, "Creating new temporary Tkinter root")
            temporary_root = True
            root = tk.Tk()
            root.withdraw()
        else:
            Debug.log(3, "Borrowing existing Tkinter root")
            temporary_root = False
            root = tk._default_root
        image_to_show = self.getBitmapFromRect(*rect)
        app = highlightWindow(root, rect, color, image_to_show, queue)
        app.do_until_timeout(seconds)

    ## Process functions 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def _show(image, title):
    """Helper for the Image.show method."""

    class UI(tkinter.Label):
        def __init__(self, master, im):
            if im.mode == "1":
                self.image = BitmapImage(im, foreground="white", master=master)
            else:
                self.image = PhotoImage(im, master=master)
            tkinter.Label.__init__(self, master, image=self.image,
                                   bg="black", bd=0)

    if not tkinter._default_root:
        raise IOError("tkinter not initialized")
    top = tkinter.Toplevel()
    if title:
        top.title(title)
    UI(top, image).pack() 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def _show(image, title):
    """Helper for the Image.show method."""

    class UI(tkinter.Label):
        def __init__(self, master, im):
            if im.mode == "1":
                self.image = BitmapImage(im, foreground="white", master=master)
            else:
                self.image = PhotoImage(im, master=master)
            super().__init__(master, image=self.image, bg="black", bd=0)

    if not tkinter._default_root:
        raise OSError("tkinter not initialized")
    top = tkinter.Toplevel()
    if title:
        top.title(title)
    UI(top, image).pack() 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def begin(self):
        self.text.mark_set("iomark", "insert")
        self.resetoutput()
        if use_subprocess:
            nosub = ''
            client = self.interp.start_subprocess()
            if not client:
                self.close()
                return False
        else:
            nosub = ("==== No Subprocess ====\n\n" +
                    "WARNING: Running IDLE without a Subprocess is deprecated\n" +
                    "and will be removed in a later version. See Help/IDLE Help\n" +
                    "for details.\n\n")
            sys.displayhook = rpc.displayhook

        self.write("Python %s on %s\n%s\n%s" %
                   (sys.version, sys.platform, self.COPYRIGHT, nosub))
        self.text.focus_force()
        self.showprompt()
        import tkinter
        tkinter._default_root = None # 03Jan04 KBK What's this?
        return True 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def initialize(self, bars, maximum):
        assert bars > 0 and maximum > 0
        if tk._default_root is None:
            self.gui = tk.Tk()
            self.inGui = False
        else:
            self.gui = tk._default_root
            self.inGui = True
        self.index = 0
        self.width = bars * (self.barWidth + self.barGap)
        self.height = maximum * self.stepHeight
        self.image = tk.PhotoImage(width=self.width, height=self.height)
        self.image.put("white", (0, 0, self.width, self.height)) 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def highlight(self, rect, color="red", seconds=None):
        """ Simulates a transparent rectangle over the specified ``rect`` on the screen.

        Actually takes a screenshot of the region and displays with a
        rectangle border in a borderless window (due to Tkinter limitations)

        If a Tkinter root window has already been created somewhere else,
        uses that instead of creating a new one.
        """
        if tk._default_root is None:
            Debug.log(3, "Creating new temporary Tkinter root")
            temporary_root = True
            root = tk.Tk()
            root.withdraw()
        else:
            Debug.log(3, "Borrowing existing Tkinter root")
            temporary_root = False
            root = tk._default_root
        image_to_show = self.getBitmapFromRect(*rect)
        app = highlightWindow(root, rect, color, image_to_show)
        if seconds == 0:
            t = threading.Thread(target=app.do_until_timeout)
            t.start()
            return app
        app.do_until_timeout(seconds)
        

    ## Process functions 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def setup_master(master=None):
    """If master is not None, itself is returned. If master is None,
    the default master is returned if there is one, otherwise a new
    master is created and returned.

    If it is not allowed to use the default root and master is None,
    RuntimeError is raised."""
    if master is None:
        if tkinter._support_default_root:
            master = tkinter._default_root or tkinter.Tk()
        else:
            raise RuntimeError(
                    "No master specified and tkinter is "
                    "configured to not support default root")
    return master 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def image_create(self, imgtype, cnf={}, master=None, **kw):
        if not master:
            master = tkinter._default_root
            if not master:
                raise RuntimeError('Too early to create image')
        if kw and cnf: cnf = _cnfmerge((cnf, kw))
        elif kw: cnf = kw
        options = ()
        for k, v in cnf.items():
            if callable(v):
                v = self._register(v)
            options = options + ('-'+k, v)
        return master.tk.call(('image', 'create', imgtype,) + options) 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def __init__(self, itemtype, cnf={}, **kw):
        master = _default_root              # global from Tkinter
        if not master and 'refwindow' in cnf: master=cnf['refwindow']
        elif not master and 'refwindow' in kw:  master= kw['refwindow']
        elif not master: raise RuntimeError("Too early to create display style: no root window")
        self.tk = master.tk
        self.stylename = self.tk.call('tixDisplayStyle', itemtype,
                            *self._options(cnf,kw) ) 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def __init__(self, root=None, font=None, name=None, exists=False,
                 **options):
        if not root:
            root = tkinter._default_root
        tk = getattr(root, 'tk', root)
        if font:
            # get actual settings corresponding to the given font
            font = tk.splitlist(tk.call("font", "actual", font))
        else:
            font = self._set(options)
        if not name:
            name = "font" + str(next(self.counter))
        self.name = name

        if exists:
            self.delete_font = False
            # confirm font exists
            if self.name not in tk.splitlist(tk.call("font", "names")):
                raise tkinter._tkinter.TclError(
                    "named font %s does not already exist" % (self.name,))
            # if font config info supplied, apply it
            if font:
                tk.call("font", "configure", self.name, *font)
        else:
            # create new font (raises TclError if the font exists)
            tk.call("font", "create", self.name, *font)
            self.delete_font = True
        self._tk = tk
        self._split = tk.splitlist
        self._call  = tk.call 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def families(root=None, displayof=None):
    "Get font families (as a tuple)"
    if not root:
        root = tkinter._default_root
    args = ()
    if displayof:
        args = ('-displayof', displayof)
    return root.tk.splitlist(root.tk.call("font", "families", *args)) 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def tearDownClass(cls):
        cls.root.update_idletasks()
        cls.root.destroy()
        del cls.root
        tkinter._default_root = None
        tkinter._support_default_root = cls._old_support_default_root 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def destroy_default_root():
    if getattr(tkinter, '_default_root', None):
        tkinter._default_root.update_idletasks()
        tkinter._default_root.destroy()
        tkinter._default_root = None 

# 需要导入模块: import tkinter [as 别名]
# 或者: from tkinter import _default_root [as 别名]
def test_initialization_no_master(self):
        # no master passing
        with swap_attr(tkinter, '_default_root', None), \
             swap_attr(tkinter, '_support_default_root', True):
            try:
                x = ttk.LabeledScale()
                self.assertIsNotNone(tkinter._default_root)
                self.assertEqual(x.master, tkinter._default_root)
                self.assertEqual(x.tk, tkinter._default_root.tk)
                x.destroy()
            finally:
                destroy_default_root()