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https://github.com/Jermolene/TiddlyWiki5
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105 lines
5.2 KiB
Plaintext
105 lines
5.2 KiB
Plaintext
tags: [[Customise TiddlyWiki]] Learning
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title: How to create keyboard shortcuts
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type: text/vnd.tiddlywiki
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<br>
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<<.tip """[[TiddlyWiki]] distinguishes two types of keyboard shortcuts. Those that are limited to work within <$macrocall $name=".tag" _="input"/> fields or <$macrocall $name=".tag" _="textareas"/> which are handled by the <$macrocall $name=".wlink" to="KeyboardWidget"/> widget and keyboard shortcuts that work globally - which means that only the page needs to have focus in order for them to be accessible. The latter are handled by a mechanism that starts to work when a wiki is loaded""">>
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!! The configuration mechanism is the same for both shortcut-types
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<$vars tv-show-missing-links="no">
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A tiddler with the <<.def prefix>> `$:/config/ShortcutInfo/` and a ''unique suffix'' appended, like `my-shortcut`, makes the new shortcut appear in the $:/ControlPanel within the [[Keyboard Shortcuts Tab|$:/core/ui/ControlPanel/KeyboardShortcuts]]. An optional description can be added within its text field
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In the [[Keyboard Shortcuts Tab|$:/core/ui/ControlPanel/KeyboardShortcuts]] the ''key combination'' that should trigger the shortcut can be configured:
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> Look for the ''unique suffix'' defined for the new shortcut and click the <$button class="tc-btn-invisible"><<.icon $:/core/images/edit-button>><$action-sendmessage $message="tm-notify" $param="$:/core/images/edit-button"/></$button> button to open a popup that detects ''key combinations'' and shows the detected combination in its input field
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>The ''add shortcut'' assigns the key-combination to the shortcut
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!!! Depending on the chosen platform the configuration mechanism creates a tiddler with a specific nomenclature
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> $:/config/shortcuts/ + the ''shortcut suffix'' for shortcuts that will work on all platforms (operating systems)
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> $:/config/shortcuts-(mac/not-mac/windows/not-windows/linux/not-linux)/ + the ''shortcut suffix'' for shortcuts that will work on the chosen platform only or that will not work on the excluded platform
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!!! Examples
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* $:/config/shortcuts/`my-shortcut`
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* $:/config/shortcuts-mac/`my-shortcut`
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* $:/config/shortcuts-windows/`my-shortcut`
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* $:/config/shortcuts-linux/`my-shortcut`
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* $:/config/shortcuts-not-mac/`my-shortcut`
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* $:/config/shortcuts-not-windows/`my-shortcut`
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* $:/config/shortcuts-not-linux/`my-shortcut`
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<<.tip """Note that those platform-specific tiddlers don't have to be created manually if the ''ShortcutInfo'' tiddler as mentioned above is created first and the shortcut is configured in the ~ControlPanel""">>
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<br>
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!! At this point the shortcut is defined and its ''actions'' can be configured
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!! Using the [[Keyboard Widget|KeyboardWidget]]
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> A <<.wlink "KeyboardWidget">> widget detects the key combinations pressed within an <<.tag input>> or <<.tag textarea>> field within its scope. The <<.wlink "KeyboardWidget">> widget needs to "embrace" the <<.tag input>> or <<.tag textarea>> field and its <<.attr key>> attribute either points to a configuration tiddler using the [[Key Descriptor]] Syntax or explicitely contains the key
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```
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<$keyboard key="((my-shortcut))" actions='<$action-setfield $tiddler="my-tiddler" $field="my-field" $value="my-value"/>'>
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<$edit-text tag="input" tiddler="my-tiddler"/>
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</$keyboard>
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```
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```
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<$keyboard key="alt-shift-M" actions='<$action-setfield $tiddler="my-tiddler" $field="my-field" $value="my-value"/>'>
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<$edit-text tag="input" tiddler="my-tiddler"/>
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</$keyboard>
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```
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> If actions are defined , the <<.wlink KeyboardWidget>> widget will invoke the actions defined in its <<.attr actions>> attribute when it detects the key-combination defined in its <<.attr key>> attribute being pressed in any <<.tag input>> or <<.tag textarea>> field within its scope
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<br>
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!! Using global Keyboard Shortcuts
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> The actions for ''global'' keyboard shortcuts are stored in the ''text'' field of tiddlers tagged with <<tag $:/tags/KeyboardShortcut>>
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> The ''key field'' connects an action-tiddler with the corresponding shortcut through the `((my-shortcut))` syntax, called [[Keyboard Shortcut Descriptor]]
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:<h3> Syntax: `((` + `a chosen suffix` + `))` </h3>
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> If the tiddler has the tag <<tag $:/tags/KeyboardShortcut>>, the field ''key'' with the [[Keyboard Shortcut Descriptor]] as its value and some actions in its text field, the actions will be triggered when the mechanism detects the configured key-combination
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<br>
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<$macrocall $name=".tip" _="""''Macros'' defined ''outside'' a global keyboard-shortcut (through a tiddler tagged `$:/tags/Macro`) need to be ''imported'' in order to be accessible.
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The [[import pragma|Pragma]] can be used for that"""/>
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<pre>
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\import [[$:/core/ui/PageMacros]] [all[shadows+tiddlers]tag[$:/tags/Macro]!has[draft.of]]
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</pre>
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If the tiddler that contains the macro definition is known and - for example - titled `my-macro-tiddler`
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<pre>
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\import [[my-macro-tiddler]]
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</pre>
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<br>
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<$macrocall $name=".tip" _="""Some actions require to be wrapped within a <<.wlink NavigatorWidget>> widget. That is necessary for the following list of widgets and messages in order to work if used within global keyboard shortcuts"""/>
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!!! Widgets
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<<.wlink ActionNavigateWidget>> (ActionNavigateWidget)
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!!! Messages
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<$list filter="[tag[navigator-message]]">
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<$link/><br>
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</$list>
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</$vars>
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