In this chapter we have learned all about menus. There are many different ways in which the flexible Menu
widget can be utilized, and we have practiced three.
We first created a main menu bar along the top of our application where we could provide access to functions of the editor. Afterwards we added menus into this bar by creating a cascade. This gave us File
, Edit
, Tools
, and Help
menus sitting at the top of our editor. We also looked at a solution that allows these items to auto-populate with functions and keyboard shortcuts providing we follow a naming convention for our editor's methods.
Finally, we created a separate right-click context menu. This allows the user to manipulate the text in our TextArea
widget without having to know the keyboard shortcuts or move the mouse all the way to the top of the screen.
In order to create these Menu
s we learned about the two main ways of adding items—add_command
and add_cascade
. We saw that add_cascade
allows us to create a submenu inside...