Thursday, March 30, 2017

PyGTK - Label Class

A Label widget is useful to display non-editable text. Label is used by many other widgets internally. For example, Button has a label to show text on the face. Similarly, MenuItem objects have a label. A label is a windowless object, so it cannot receive events directly.
Label class has a simple constructor −

gtk.Label(str = None)
The following useful methods can be used with Label object −
S.NO Methods and Description
1 set_text()
This sets new text as label
2 get_text()
This returns text from label
3 set_use_underline()
If true, an underscore in the text indicates the next character should be used for the mnemonic accelerator key.
4 set_justify
This sets the alignment of the lines in the text of the label relative to each other.
Possible values are – gtk.JUSTIFY_LEFT, gtk.JUSTIFY_RIGHT, gtk.JUSTIFY_CENTER, and gtk.JUSTIFY_FILL.
5 Set_line_wrap()
If true, the line will be wrapped
6 set_selectable()
If true, the text in the label can be selected for copy-paste
7 set_width_chars()
This sets the width of a label
The following signals are emitted by label widget −
activate-current-link This gets emitted when the user activates a link in the label.
activate-link This gets emitted to activate a URI.
copy-clipboard This gets emitted when text is copied from the label to the clipboard.

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