Basic are common widgets available in almost all Tk applications. The list of available basic widgets is given below in Tcl basic widgets −
| Sr.No. | Widgets & Description |
|---|---|
| 1 | LabelWidget for displaying single line of text. |
| 2 | ButtonWidget that is clickable and triggers an action. |
| 3 | EntryWidget used to accept a single line of text as input. |
| 4 | MessageWidget for displaying multiple lines of text. |
| 5 | TextWidget for displaying and optionally edit multiple lines of text. |
| 6 | ToplevelWidget used to create a frame that is a new top level window. |
A simple Tk example is shown below using basic widgets −
#!/usr/bin/wish grid [label .myLabel -text "Label Widget" -textvariable labelText] grid [text .myText -width 20 -height 5] .myText insert 1.0 "Text\nWidget\n" grid [entry .myEntry -text "Entry Widget"] grid [message .myMessage -background red -foreground white -text "Message\nWidget"] grid [button .myButton1 -text "Button" -command "set labelText clicked"]
When we run the above program, we will get the following output −
Next Topic : Click Here