如何阻止选项卡在Tkinter EntryBox上选择文本

时间:2016-07-28 14:39:52

标签: python python-3.x tkinter tk

我在AutocompleteEntry上使用此代码,为Tkinter附带的Entry小部件创建子类。

在第57行,handle_keyrelease()函数似乎处理了autocompleteEntry对某些按键的反应:

def handle_keyrelease(self, event):
    """event handler for the keyrelease event on this widget"""
    if event.keysym == "BackSpace":
        self.delete(self.index(Tkinter.INSERT), Tkinter.END) 
        self.position = self.index(Tkinter.END)
    if event.keysym == "Left":
        if self.position < self.index(Tkinter.END): # delete the selection
            self.delete(self.position, Tkinter.END)
        else:
            self.position = self.position-1 # delete one character
            self.delete(self.position, Tkinter.END)
    if event.keysym == "Right":
        self.position = self.index(Tkinter.END) # go to end (no selection)
    if event.keysym == "Down":
        self.autocomplete(1) # cycle to next hit
    if event.keysym == "Up":
        self.autocomplete(-1) # cycle to previous hit
    # perform normal autocomplete if event is a single key or an umlaut
    if len(event.keysym) == 1 or event.keysym in tkinter_umlauts:
        self.autocomplete()

并且右键设置为我想要的,完成我输入的第一个单词并跳到结尾,我的问题如下,我想更改Tab键的右键,但是我的输入框上的tab键选择了所有文本,我找不到改变这种行为的方法,有办法吗?

这是我的代码中我创建输入框以供参考的部分,对不起:

from tkinter import *
import entryautocomplete as eac

if __name__ == '__main__':
    # create Tkinter window
    master = Tk()
    # change the window name
    master.title('Jarbas')
    # avoids resizing of the window
    master.resizable(width=False, height=False)
    # center top the window on my computer
    master.geometry('+400+0')
    # adds an icon
    img = Image("photo", file="jarbas.png")
    master.tk.call('wm', 'iconphoto', master._w, img)

    # create the entry frame
    uinput = Frame(master)
    # create the other frame
    resultado = LabelFrame(
        master, text='###', labelanchor='n', font='arial 12', relief='flat')

    # places the two frames on the window
    uinput.grid()
    resultado.grid()

    # place a label on the Entry frame, picked random from a list
    Label(uinput, text=ola[randint(0, len(ola) - 1)]).grid()
    # Creates the entry
    texto = eac.AutocompleteEntry(
        uinput, font='arial 14 bold', width='60', takefocus='off')
    texto.grid(padx=5, pady=4)
    texto.set_completion_list(comandos)

    # calls the function 'get_input' once you press Return on the Entry box
    # the function reads what is typed and does what it should do
    texto.bind('<Return>', get_input)

    # tkinter main loop
    mainloop()

1 个答案:

答案 0 :(得分:0)

为了进一步参考,基于this question,我设法通过简单地向bind调用return s break函数的标签添加def tab_handler(event): return 'break' entry.bind('<Tab>', tab_handler) 来实现它。 :

if event.keysym == "Right":

并简单地将EntryAutoComplete文件中的if event.keysym == "Tab":更改为readelf

工作得很好。