['0', '1', '2', '3', '4', '5'] for c in S): return True root.bell() return False def delete(): e.delete(0, END) root = Tk() vcmd_money = (root.register(MoneyValidation), '%S') e = Entry(root, validate="key", vcmd=vcmd_money) e.pack() b = Button(text="...
Here we have implemented avalidate_numbers()function to test if the user's input is a valid number. Inside the function, we get the input data from the entry widget using theget()method, storing it in the variableinput_data. First, we use anifstatement to check whetherinput_datacontains ...
invalidcommand specifies a callback function that is called whenever the validatecommand returns False justify Alignment of data, takes value 'left' (default ),'center', 'right' show Char to be used for masking the user entry and selected option state normal | active | disabled | readonly, ...
19validateThis option controls how the widget value is validated. 20validatecommandIt is associated to the function callback which is used for the validation of the widget content. 21valuesIt represents the tuple containing the values for this widget. ...
The Calendar optioncursorhas been renamedcalendar_cursorto avoid name clashes with the correspondingttk.Entryoption. Keyword options ofttk.Entry By default, 'validate' is set to 'focusout' and 'validatecommand' is configured so that each time the widget looses focus, if the content is not a ...
刚开始接触互联网行业时，在上海从事产品运营的工作：当时负责本地商家的产品培训和信息审核，定期将用户...
This tutorial covers Tkinter Spinbox widget with its syntax, options and methods along with a code example for Tkinter Spinbox widget.
self.zoomSpinbox.config(validatecommand=( self.zoomSpinbox.register(self.validate_int),"%P")) TkUtil.Tooltip.Tooltip(self.zoomSpinbox, text="Zoom level (%)") self.shapeCombobox = ttk.Combobox(self.toolbar, width=8, textvariable=self.shapeName, state="readonly", ...
def only_numbers(char): return char.isdigit() validation = parent.register(only_numbers) entry = Entry(parent, validate="key", validatecommand=(validation, '%S')) The validate option determines the type of event that triggers the validation, here, it's any keystroke in the entry. The '...
The Calendar optioncursorhas been renamedcalendar_cursorto avoid name clashes with the correspondingttk.Entryoption. Keyword options ofttk.Entry By default, 'validate' is set to 'focusout' and 'validatecommand' is configured so that each time the widget looses focus, if the content is not a ...