Python tkinter.Text() Examples

def save_file_as(self, file_path=None):
        # If there is no file path specified, prompt the user with a dialog which
        # allows him/her to select where they want to save the file
        if file_path is None:
            file_path = filedialog.asksaveasfilename(
                filetypes=(
                    ("Text files", "*.txt"),
                    ("Prolog files", "*.pl *.pro"),
                    ("All files", "*.*"),
                )
            )

        try:

            # Write the Prolog rule editor contents to the file location
            with open(file_path, "wb") as file:
                self.write_editor_text_to_file(file)
                self.file_path = file_path
                return "saved"

        except FileNotFoundError:
            return "cancelled" 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input) in (ttk.Checkbutton, ttk.Radiobutton):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input) in (ttk.Checkbutton, ttk.Radiobutton):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def __init__(self, master, radios, font, changed, **kwargs):
                tk.Frame.__init__(self, master)

                self.master = master
                self.radios = radios
                self.font = font
                self.changed = changed

                self.scrollv = tk.Scrollbar(self, orient = "vertical")
                self.textbox = tk.Text(self, yscrollcommand = self.scrollv.set, **kwargs)
                self.scrollv.config(command = self.textbox.yview)
                # layout.
                self.scrollv.pack(side = "right", fill = "y")
                self.textbox.pack(side = "left", fill = "both", expand = True)
                # create radiobuttons.
                self.radiovar = tk.StringVar()
                self.radiovar.set('FILE')
                self.create() 

def _color_delegator(parent):  # htest #
    from tkinter import Toplevel, Text
    from idlelib.Percolator import Percolator

    top = Toplevel(parent)
    top.title("Test ColorDelegator")
    top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200,
                  parent.winfo_rooty() + 150))
    source = "if somename: x = 'abc' # comment\nprint\n"
    text = Text(top, background="white")
    text.pack(expand=1, fill="both")
    text.insert("insert", source)
    text.focus_set()

    p = Percolator(text)
    d = ColorDelegator()
    p.insertfilter(d) 

def _widget_redirector(parent):  # htest #
    from tkinter import Tk, Text
    import re

    root = Tk()
    root.title("Test WidgetRedirector")
    width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
    root.geometry("+%d+%d"%(x, y + 150))
    text = Text(root)
    text.pack()
    text.focus_set()
    redir = WidgetRedirector(text)
    def my_insert(*args):
        print("insert", args)
        original_insert(*args)
    original_insert = redir.register("insert", my_insert)
    root.mainloop() 

def _calltip_window(parent):  # htest #
    from tkinter import Toplevel, Text, LEFT, BOTH

    top = Toplevel(parent)
    top.title("Test calltips")
    top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200,
                  parent.winfo_rooty() + 150))
    text = Text(top)
    text.pack(side=LEFT, fill=BOTH, expand=1)
    text.insert("insert", "string.split")
    top.update()
    calltip = CallTip(text)

    def calltip_show(event):
        calltip.showtip("(s=Hello world)", "insert", "end")
    def calltip_hide(event):
        calltip.hidetip()
    text.event_add("<<calltip-show>>", "(")
    text.event_add("<<calltip-hide>>", ")")
    text.bind("<<calltip-show>>", calltip_show)
    text.bind("<<calltip-hide>>", calltip_hide)
    text.focus_set() 

def __init__(self, image, initialField, initialText):
        frm = tk.Frame(root)
        frm.config(background="white")
        self.image = tk.PhotoImage(format='gif',data=images[image.upper()])
        self.imageDimmed = tk.PhotoImage(format='gif',data=images[image])
        self.img = tk.Label(frm)
        self.img.config(borderwidth=0)
        self.img.pack(side = "left")
        self.fld = tk.Text(frm, **fieldParams)
        self.initScrollText(frm,self.fld,initialField)
        frm = tk.Frame(root)
        self.txt = tk.Text(frm, **textParams)
        self.initScrollText(frm,self.txt,initialText)
        for i in range(2):
            self.txt.tag_config(colors[i], background = colors[i])
            self.txt.tag_config("emph"+colors[i], foreground = emphColors[i]) 

def tagDemo(self):
        if self.btn9['text']=='Create tag named \'myTag\' at line 2':
            self.btn9.config(text = 'Remove Tag')
            self.text.tag_add('myTag', '2.0', '2.0 lineend')
            
            self.btn10 = ttk.Button(self.master, text = 'Change myTag background to yellow', command = self.tagbgyellow)
            self.btn10.pack()
            
            self.btn11 = ttk.Button(self.master, text = 'Remove tag from 1st word of line 2', command = self.tagrm21word)
            self.btn11.pack()
            
            self.btn12 = ttk.Button(self.master, text = 'myTag Span', command = self.getTagSpan)
            self.btn12.pack()
            
            self.btn13 = ttk.Button(self.master, text = 'Show all Tags in Text widget', command = self.displayAllTags)
            self.btn13.pack()
            
        else:
            self.btn9.config(text = 'Create tag named \'myTag\' at line 2')
            self.text.tag_delete('myTag')
            self.btn10.destroy()
            self.btn11.destroy()
            self.btn12.destroy()
            self.btn13.destroy() 

def __init__(self):
        super().__init__()

        self.text_area = TextArea(self, bg="white", fg="black", undo=True)

        self.scrollbar = ttk.Scrollbar(orient="vertical", command=self.scroll_text)
        self.text_area.configure(yscrollcommand=self.scrollbar.set)

        self.line_numbers = tk.Text(self, bg="grey", fg="white")
        first_100_numbers = [str(n+1) for n in range(100)]

        self.line_numbers.insert(1.0, "\n".join(first_100_numbers))
        self.line_numbers.configure(state="disabled", width=3)

        self.scrollbar.pack(side=tk.RIGHT, fill=tk.Y)
        self.line_numbers.pack(side=tk.LEFT, fill=tk.Y)
        self.text_area.pack(side=tk.LEFT, fill=tk.BOTH, expand=1)

        self.bind_events() 

def test_init_close(self):
        instance = fp.FormatParagraph('editor')
        self.assertEqual(instance.editwin, 'editor')
        instance.close()
        self.assertEqual(instance.editwin, None)


# For testing format_paragraph_event, Initialize FormatParagraph with
# a mock Editor with .text and  .get_selection_indices.  The text must
# be a Text wrapper that adds two methods

# A real EditorWindow creates unneeded, time-consuming baggage and
# sometimes emits shutdown warnings like this:
# "warning: callback failed in WindowList <class '_tkinter.TclError'>
# : invalid command name ".55131368.windows".
# Calling EditorWindow._close in tearDownClass prevents this but causes
# other problems (windows left open). 

def create_widgets(self, **kwargs):
    """
    Widgets shown:
    - The frame's title,
    - The checkbutton to enable/disable displaying,
    - The textbox.

    """
    self.top_frame = tk.Frame(self)
    tk.Label(self.top_frame,
        text=kwargs.get('title', '')).grid(row=0, column=0)

    tk.Checkbutton(self.top_frame,
                   variable=self.enabled_checkbox,
                   text="Display?").grid(row=0, column=1)

    self.serial_monitor = tk.Text(self,
                                  relief="sunken",
                                  height=int(self.total_width / 10),
                                  width=int(self.total_width),
                                  font=tkFont.Font(size=kwargs.get("fontsize",
                                                                   13)))

    self.top_frame.grid(row=0)
    self.serial_monitor.grid(row=1) 

def create_widgets(self):
        ''' Creates all widgets.
        '''
        self.grid_rowconfigure(0, weight=1)
        self.grid_columnconfigure(0, weight=1)

        xscrollbar = Scrollbar(self, orient=HORIZONTAL)
        xscrollbar.grid(row=1, column=0, sticky=E+W)

        yscrollbar = Scrollbar(self)
        yscrollbar.grid(row=0, column=1, sticky=N+S)

        self.text = Text(self, wrap=NONE,
                         xscrollcommand=xscrollbar.set,
                         yscrollcommand=yscrollbar.set)

        self.text.bind("<Control-Key-a>", self.select_all)
        self.text.bind("<Control-Key-A>", self.select_all)

        self.text.grid(row=0, column=0, sticky=N+S+E+W)

        xscrollbar.config(command=self.text.xview)
        yscrollbar.config(command=self.text.yview) 

def get(self):
        try:
            if self.variable:
                return self.variable.get()
            elif type(self.input) == tk.Text:
                return self.input.get('1.0', tk.END)
            else:
                return self.input.get()
        except (TypeError, tk.TclError):
            # happens when numeric fields are empty.
            return '' 

def __init__(self, parent, **kwargs):
        super().__init__(parent,
                height=self.font_height,
                highlightthickness=0,
                bd=0,
                bg="grey26",
                fg="white",
                font=self.font,
                **kwargs)

        # console_stdout.stream defined by ConsoleType
        # add existing contents of stream to tk.Text widget
        self.insert(tk.END, self.stream.read()) # pylint: disable=E1101
        self['state'] = tk.DISABLED

        # instance takes ownership of the stream
        self.set_stream() # pylint: disable=E1101


# exactly the same as console_stdout but instance takes ownership of stderr 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input).__name__.endswith('button'):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input).__name__.endswith('button'):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input).__name__.endswith('button'):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input).__name__.endswith('button'):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input).__name__.endswith('button'):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input).__name__.endswith('button'):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def showDlLink (self, link) :
		window = tkinter.Toplevel()
		window.title('下载链接')
		window.resizable(width = 'false', height = 'false')
		if self.Tools.isWin() :
			window.iconbitmap(self.Tools.getRes('biticon.ico'))

		topZone = tkinter.Frame(window, bd = 0, bg="#444")
		topZone.pack(expand = True, fill = 'both')

		textZone = tkinter.Text(topZone, height = 8, width = 50, bd = 10, bg="#444", fg = '#ddd', highlightthickness = 0, selectbackground = '#116cd6')
		textZone.grid(row = 0, column = 0, sticky = '')
		textZone.insert('insert', link)

		dlBtn = tkinter.Button(topZone, text = '下载', width = 10, fg = '#222', highlightbackground = '#444', command =  lambda url = link : webbrowser.open_new(url))
		dlBtn.grid(row = 1, column = 0, pady = 5) 

def set(self, value, *args, **kwargs):
        if type(self.variable) == tk.BooleanVar:
                self.variable.set(bool(value))
        elif self.variable:
                self.variable.set(value, *args, **kwargs)
        elif type(self.input).__name__.endswith('button'):
            if value:
                self.input.select()
            else:
                self.input.deselect()
        elif type(self.input) == tk.Text:
            self.input.delete('1.0', tk.END)
            self.input.insert('1.0', value)
        else:
            self.input.delete(0, tk.END)
            self.input.insert(0, value) 

def __init__(self, master, textvariable=None, *args, **kwargs):

        tk.Frame.__init__(self, master)
        # Init GUI

        self._y_scrollbar = tk.Scrollbar(self, orient=tk.VERTICAL)

        self._text_widget = tk.Text(self, yscrollcommand=self._y_scrollbar.set, *args, **kwargs)
        self._text_widget.pack(side=tk.LEFT, fill=tk.BOTH, expand=1)

        self._y_scrollbar.config(command=self._text_widget.yview)
        self._y_scrollbar.pack(side=tk.RIGHT, fill=tk.Y)

        if textvariable is not None:
            if not isinstance(textvariable, tk.Variable):
                raise TypeError("tkinter.Variable type expected, {} given.".format(
                    type(textvariable)))
            self._text_variable = textvariable
            self.var_modified()
            self._text_trace = self._text_widget.bind('<<Modified>>', self.text_modified)
            self._var_trace = textvariable.trace("w", self.var_modified) 

def updateInfo (self) :
		if self.udInfo != [] :
			if self.udInfo['version'] != '' :
				version = str(self.udInfo['version'])
			else :
				version = str(self.app['ver']) + ' Build (' + str(self.app['build']) + ')'
			verlabel = tkinter.Label(self.frame, text = 'Version : ' + version, fg = '#ddd', bg="#444", font = ("Helvetica", "10"), anchor = 'center')
			verlabel.grid(row = 1, column = 1)

			self.information = tkinter.Text(self.frame, height = 8, width = 35, bd = 0, fg = '#ddd', bg="#222", highlightthickness = 1, highlightcolor="#111", highlightbackground = '#111', selectbackground = '#116cd6', font = ("Helvetica", "12"))
			self.information.grid(row = 2, column = 1, pady = 10)
			self.information.delete('0.0', 'end')
			self.information.insert('end', self.udInfo['msg'])

			btn = tkinter.Button(self.frame, text = 'Download', width = 10, fg = '#222', highlightbackground = '#444', command = lambda target = self.udInfo['dUrl'] : webbrowser.open_new(target))
			btn.grid(row = 3, column = 1)
		else :
			self.timer = self.frame.after(50, self.updateInfo) 

def __init__(self,  data, title='TextWindow', *args, **kwargs):
        Toplevel.__init__(self, master=root, *args, **kwargs)
        self.title(title)

        self.text = Text(master=self, blockcursor=True, insertbackground='black', )
        self.text.bind('<Alt-p>', lambda event: 
        self.text.yview(SCROLL, 1, 'page'), add=True)

        self.text.bind('<Alt-o>', lambda evenet: 
        self.text.yview(SCROLL, -1, 'page'), add=True)

        self.text.insert('1.0', data)
        self.text.pack(side=LEFT, fill=BOTH, expand=True)
        self.text.focus_set()
        self.text.bind('<Escape>', lambda event: self.close())
        self.text.bind('<Key-k>', lambda event: self.text.event_generate('<Up>'))
        self.text.bind('<Key-j>', lambda event: self.text.event_generate('<Down>'))

        self.protocol("WM_DELETE_WINDOW", self.close)

        self.transient(root)
        self.withdraw() 

def show (self) :
		self.slave = tkinter.Toplevel()
		self.slave.title(self.winTitle)
		self.slave.resizable(width = 'false', height = 'false')
		if self.Tools.isWin() :
			self.slave.iconbitmap(self.Tools.getRes('biticon.ico'))

		self.frame = tkinter.Frame(self.slave, bd = 0, bg="#444")
		self.frame.pack(expand = True, fill = 'both', ipadx = '5', ipady = '5')

		titleLabel = tkinter.Label(self.frame, text = self.app['title'], fg = '#ddd', bg="#444", font = ("Helvetica", "16", 'bold'), anchor = 'center')
		titleLabel.grid(row = 0, column = 1, pady = 5)

		version = str(self.app['ver']) + ' Build (' + str(self.app['build']) + ')'
		verlabel = tkinter.Label(self.frame, text = 'Version : ' + version, fg = '#ddd', bg="#444", font = ("Helvetica", "10"), anchor = 'center')
		verlabel.grid(row = 1, column = 1)

		self.information = tkinter.Text(self.frame, height = 8, width = 35, bd = 0, fg = '#ddd', bg="#222", highlightthickness = 1, highlightcolor="#111", highlightbackground = '#111', selectbackground = '#116cd6', font = ("Helvetica", "12"))
		self.information.grid(row = 2, column = 1, pady = 10)
		self.information.insert('end', '更新检测中。。。')

		self.frame.grid_columnconfigure(0, weight=1)
		self.frame.grid_columnconfigure(2, weight=1) 

def show (self) :
		self.slave = tkinter.Toplevel()
		self.slave.title(self.winTitle)
		self.slave.resizable(width = 'false', height = 'false')
		if self.Tools.isWin() :
			self.slave.iconbitmap(self.Tools.getRes('biticon.ico'))

		info = [
			'简介: 就是瞎做来看电影的。',
			'功能: 自动搜索电影资源，获取下载链接，发送至百度云，实现在线观看/离线下载功能。',
			'使用方法: https://github.com/EvilCult/moviecatcher/wiki/Application-Guide',
			'特别感谢: cclauss (https://github.com/cclauss)\nMrLevo520 (https://github.com/MrLevo520)',
		]

		titleFrame = tkinter.Frame(self.slave, bd = 0, bg="#444")
		titleFrame.pack(expand = True, fill = 'both', ipadx = '5')

		titleLabel = tkinter.Label(titleFrame, text="Movie Catcher", fg = '#ddd', bg="#444", font = ("Helvetica", "16", 'bold'), anchor = 'center')
		titleLabel.grid(row = 0, column = 1, pady = 5)

		warnlabel = tkinter.Label(titleFrame, text="By ~EvilCult", fg = '#ddd', bg="#444", font = ("Helvetica", "10"), anchor = 'center')
		warnlabel.grid(row = 1, column = 1)

		pilImage = PIL.Image.open(self.Tools.getRes('logo.png'))
		logoImg = PIL.ImageTk.PhotoImage(pilImage)

		imglabel = tkinter.Label(titleFrame, bd = 0, bg = '#444', image = logoImg, anchor = 'center')
		imglabel.img = logoImg
		imglabel.grid(row = 2, column = 1, pady = 5)

		information = tkinter.Text(titleFrame, height = 14, width = 35, bd = 0, fg = '#ddd', bg="#222", highlightthickness = 1, highlightcolor="#111", highlightbackground = '#111', selectbackground = '#116cd6', font = ("Helvetica", "12"))
		information.grid(row = 3, column = 1)
		for n in info :
			information.insert('end', n.split(': ')[0] + ':\n')
			information.insert('end', n.split(': ')[1] + '\r')

		versionlabel = tkinter.Label(titleFrame, text="Version: " + str(self.app['ver']) + ' (' + str(self.app['build']) + ')', fg = '#ddd', bg="#444", font = ("Helvetica", "10"), anchor = 'center')
		versionlabel.grid(row = 4, column = 1)

		titleFrame.grid_columnconfigure(0, weight=1)
		titleFrame.grid_columnconfigure(2, weight=1) 

def create(self, **kwargs):
        return tkinter.Text(self.root, **kwargs) 

def setUpClass(cls):
        requires('gui')
        cls.tk = Tk()
        cls.text = Text(cls.tk)