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61 lines
1.5 KiB
61 lines
1.5 KiB
3 years ago
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# PrefixLayer
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The `PrefixLayer` plugin allows you to easily create a keyboard layer designed
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for use with programs that use a prefix key, such as tmux or screen. When a key
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in a prefix layer is pressed, the prefix is injected first, then the key in
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that layer is pressed.
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## Using the plugin
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You will need to define a keymap layer and configure the plugin to use that
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layer with a prefix key. You can then include the plugin's header and set the
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`.prefix_layers` property.
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```c++
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#include <Kaleidoscope.h>
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#include <Kaleidoscope-PrefixLayer.h>
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enum {
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PRIMARY,
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TMUX,
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}; // layers
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static const kaleidoscope::plugin::PrefixLayer::Entry prefix_layers[] PROGMEM = {
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kaleidoscope::plugin::PrefixLayer::Entry(TMUX, LCTRL(Key_B)),
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};
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KALEIDOSCOPE_INIT_PLUGINS(LEDControl, PrefixLayer);
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void setup() {
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Kaleidoscope.setup();
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PrefixLayer.prefix_layers = prefix_layers;
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PrefixLayer.prefix_layers_length = 1;
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}
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```
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## Plugin methods
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The plugin provides a `PrefixLayer` object, which has the following methods
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and properties:
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### `.prefix_layers`
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> A `kaleidoscope::plugin::PrefixLayer::Entry` array that maps layers to prefix
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> keys. The `Entry` constructor accepts `Entry(layer_number, prefix_key)`. This
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> array must be stored in `PROGMEM` as shown above.
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>
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> Defaults to an empty array.
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### `.prefix_layers_length`
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> Length of the `prefix_layers` array.
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>
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> Defaults to *0*
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## Further reading
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Starting from the [example][plugin:example] is the recommended way of getting
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started with the plugin.
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[plugin:example]: /examples/Keystrokes/PrefixLayer/PrefixLayer.ino
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