1/26/2024 0 Comments Entry icursor_range(self.The Tkinter Entry widget will help you to make a input box that take input from the user and this widget is very helpful if you want to make a form for your application. Self.listbox = Listbox(self.root, listvariable=self.list_var, exportselection=False, activestyle='none', selectmode=SINGLE, width=50) Putting everything together import string Value = self.ent_var.get().strip().lower() If matched is non-empty then grab its first value and get its index and insert that value in Entry widget and if the cursor index is equal to the first matched value then select all text in Entry widget else select from the recent inserted value index to the end and scroll the listbox to the index of the first matched value def auto_complete(self): Get matched value from the list of list-box with respect to the text entered in Entry widget Select all text in entry widget def set_selection(self):īind ListBox widget with bindtag > ('>', self.button_click) Insert the selected value from listbox in entry widget def button_click(self, event=None): Here, return 'break' forbids tkinter to execute its default bindings When selection is made by clicking value in listbox '''Move selection in downwards direction in listbox''' Insert just selected value to entry widget from listbox and select all text in entry widget def down_direction(self, event=None): Select value below the selection in listbox until the index reaches to the total number of values in listbox. '''Move selection in upwards direction in listbox'''īind Entry widget with bindtag ('', self.up_direction) Insert just selected value to entry widget from listbox and select all text in entry widget def up_direction(self, event=None): Select value above the selection in listbox until the index reaches to 0 (insertofftime=1000000, insertontime=0) # Removing blinking of cursor.īind Entry widget with bindtag ('', self.tab_completion) '''Select all text in entry widget of matched one. Remove previous selection from the listbox and select the new value in listbox def tab_completion(self, event=None): Set cursor to the end of the Entry widget and remove blinking (insertofftime=300, insertontime=600)īind Entry widget with bindtag ('', self.backspace) If self.entry = 1000000: # Restore time of blinking to default If selection is not present then just remove the last value from the Entry widget and insert rest of to the Entry widget and decrease the cursor index by 1. If selection is present then remove the selected value and set the cursor index to the length of the remaining text and set blinking time back to default. If cursor position has not reached to the beginning of the Entry widget. l = ('insert') + 1īind Entry widget with bindtag ('', self.key_pressed) If selection is absent then increase the starting index by 1 and repeat the remaining. Also store the starting index by increasing by 1 so that we can use it to select the remaining text. If selection is present in Entry widget then remove the selected text and insert the keys pressed along with the text present in Entry widget and shift the CURSOR to one step forward. Store each pressed key to a variable only if that key is printable When keys are pressed down then you need to check: Your text widget with bindtags to detect if any keysĪre pressed down. To make a auto-complete functionality in tkinter, you need to bind '''Set default values in entry widget and listbox''' Setting default values def default(self): '''Filter fonts starting with same name''' Self.listbox = Listbox(self.root, listvariable=self.list_var, width=50) Self.entry = Entry(self.root, textvariable=self.ent_var, width=50) Setting up the widgets class AutoComplete:
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