Python tkinter treeview hover how to#

In this example, when you move focus to the button, its text color changes to red. nfigure( 'TButton', font=( 'Helvetica', 16))Īpp.mainloop() Code language: Python ( python ) The argument query is a list of keyword arguments where each key is a style option and values are lists of tuples of (state,value).įor example, the following code dynamically changes the foreground color of a button widget: import tkinter as tk The map() method accepts the first argument as the name of the style e.g., TButton and TLabel. Tooltips are useful in applications where User Interaction is required. It can be achieved by adding a tooltip or popup. Let us suppose we want to create an application where we want to add some description on tkinter widgets such that it displays tooltip text while hovering on the button widget. To change the appearance of a widget dynamically, you can use the map() method of the Style object: style.map(style_name, query) Code language: Python ( python ) Tkinter Python Server Side Programming Programming. The readonly widget prevents you from changing its current value e.g., a read-only Entry widget won’t allow you to change its text contents. The widget is currently being clicked or pressed e.g. The value of the widget is currently invalid. This state is only relevant to Windows and macOS. The foreground window is a window that is getting user inputs. The widget is on a window that is not the foreground window. Ttk reserved this state for application use. The mouse is currently within the widget. The following table shows a list of widget states and their meanings: State The current item is stored in self.currentitem and when the mouse moves in the listbox, the displaying of the tooltip is rescheduled if the item changes. Typically, a ttk widget allows you to change its appearance based on a specific state. The idea is to make a class similar to Hovertip but that works with listbox items instead of widgets.

Python tkinter treeview hover how to#

Summary: in this tutorial, you’ll learn how to use the ttk Style map() method to dynamically change the appearance of a widget based on its specific state.