Listing of Widget classes

_Listing of Widget classes_

tkinter provides common GUI elements to build interface – such as buttons, menus and various kinds of entry fields and display areas. We call these elements widgets, and we construct a tree of widgets – each widget will have a parent widget, all the way up to the root window of our application. For example, a button or a text field needs to be inside some kind of containing window. Here is a list of common widgets.

_Frame_ is a container widget which is placed inside a window, which can have its own border and background – it is used to group related widgets together in an application’s layout.

_Toplevel_ is a container widget which is displayed as a separate window.

_Canvas_ is a widget for drawing graphics. In advanced usage, it can also be used to create custom widgets – because we can draw anything we like inside it, and make it interactive.

_Text_ displays formatted text, which can be editable and can have embedded images.

_Button_ usually maps directly onto a user action – when the user clicks on a button, something should happen.

_Label_ is a simple widget which displays a short piece of text or an image, but usually isn’t interactive.

_Message_ is similar to a Label, but is designed for longer bodies of text which need to be wrapped.

_Scrollbar_ allows the user to scroll through content which is too large to be visible all at once.

_Checkbutton_, _Radiobutton_, _Listbox_, _Entry_ and _Scale_ are different kinds of input widgets – they allow the user to enter information into the program.

_Menu_ and _Menubutton_ are used to create pull-down menus.