[Tutor] Searching db while typing on Entry widget

Ali Moradi adeadmarshal at gmail.com
Mon Jan 16 10:11:45 EST 2017

Hi. i want to search one field of my db while i type text in my Entry
widget. how can i do that? and another problem is that now when i click on
one of the item lists it always writes the first field of my db in the Text
widget, i think i did the loop wrong maybe but i am not sure. #!
/usr/bin/env python3
#GeologyDict by Ali M
import sqlite3 as sqlite
import tkinter as tk
from tkinter import Text
from tkinter import Entry
from tkinter import Scrollbar
from tkinter import ttk

#GUI Widgets

class GeologyDict:
    def __init__(self, master):

        master.resizable(False, False)

        self.style = ttk.Style()
        self.style.configure("TFrame", background='#EAFFCD')
        self.style.configure("TButton", background='#EAFFCD')
        self.style.configure("TLabel", background='#EAFFCD')

        self.frame_header = ttk.Frame(master, relief=tk.FLAT)
        self.frame_header.pack(side=tk.TOP, padx=5, pady=5)

        self.logo = tk.PhotoImage(file=r'C:\Geologydict\eo.png')
        self.small_logo = self.logo.subsample(10, 10)

        ttk.Label(self.frame_header, image=self.small_logo).grid(row=0,
column=0, stick="ne", padx=5, pady=5, rowspan=2)
        ttk.Label(self.frame_header, text='EsperantoDict', font=('Arial',
18, 'bold')).grid(row=0, column=1)

        self.frame_content = ttk.Frame(master)

        self.entry_search = ttk.Entry(self.frame_content)
        self.entry_search.grid(row=0, column=0)
        self.entry_search.insert(tk.END, "Type to Search")
        self.entry_search.bind('<Button-1>', self.entry_delete)

        self.button_search = ttk.Button(self.frame_content, text="Search")
        aks = tk.PhotoImage(file=r'C:\Geologydict\search.png')
        small_aks = aks.subsample(3, 3)
        self.button_search.config(image=small_aks, compound=tk.LEFT)
        self.button_search.grid(row=0, column=1, columnspan=2)

        self.listbox = tk.Listbox(self.frame_content, height=28)
        self.listbox.grid(row=1, column=0)
        self.scrollbar = ttk.Scrollbar(self.frame_content,
orient=tk.VERTICAL, command=self.listbox.yview)
        self.scrollbar.grid(row=1, column=1, sticky='ns')
        self.listbox.bind('<<ListboxSelect>>', self.enter_meaning)

        self.textbox = tk.Text(self.frame_content, width=60, height=27)
        self.textbox.grid(row=1, column=2)

    # SQLite
        self.db = sqlite.connect(r'C:\Geologydict\test.db')
        self.cur = self.db.cursor()
        self.cur.execute('SELECT Esperanto FROM words')
        for row in self.cur:
            self.listbox.insert(tk.END, row)

    # SQLite

    def enter_meaning(self, tag):
        if self.listbox.curselection():
            self.cur.execute('SELECT English FROM words')
            for row in self.cur:
                self.textbox.insert(tk.END, row)

    def entry_delete(self, tag):
        self.entry_search.delete(0, tk.END)
        return None

def main():
    root = tk.Tk()
    geologydict = GeologyDict(root)

if __name__ == '__main__': main()

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