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TiddlyWiki5/editions/tw5.com/tiddlers/widgets/KeyboardWidget.tid
2015-12-24 14:12:53 +00:00

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caption: keyboard
created: 20140302192136805
modified: 20151224141005939
tags: Widgets
title: KeyboardWidget
type: text/vnd.tiddlywiki
! Introduction
The keyboard widget allows ActionWidgets to be triggered by specific key combinations. There is also a shorthand for generating [[Messages]].
! Content and Attributes
The content of the `<$keyboard>` widget is rendered normally. The keyboard shortcut only takes effect within the contained content.
|!Attribute |!Description |
|message |The title of the [[WidgetMessage|Messages]] to generate |
|param |The parameter to be passed with the [[WidgetMessage|Messages]] |
|key |Key string identifying the key to be trapped (see below) |
|class |A CSS class to be assigned to the generated HTML DIV element |
! Key Strings
Key strings are made up of zero or more of the modifiers <kbd>alt</kbd>, <kbd>shift</kbd> or <kbd>ctrl</kbd> followed by the name of a key, all joined with "+" plus symbols. Key names are either the letter or digit printed on the key (eg "a" or "1"), or one of the special keys <kbd>backspace</kbd>, <kbd>tab</kbd>, <kbd>enter</kbd> or <kbd>escape</kbd>.
For example:
```
A
shift+A
shift+escape
ctrl+enter
ctrl+shift+alt+A
```