Add NEWS and UPGRADING notes for the PER_KEY_DATA feature changes

pull/646/head
Jesse Vincent 6 years ago
parent f0102dba00
commit b818be1d8e

@ -91,6 +91,15 @@ Changing layers now triggers the `onLayerChange` event - but only if there was r
To make it easier to create custom shortcuts, that do not interfere with system ones, an old trick is to use many modifiers. To make this easier, `Ctrl+Shift+Alt` is commonly abbreviated as `Meh`, while `Ctrl+Shift+Alt+Gui` is often called `Hyper`. To support this, we offer the `Key_Meh` and `Key_Hyper` aliases, along with `MEH(k)` and `HYPER(k)` to go with them.
## `keymap` internals are now a one dimensional array
Historically, Kaleidoscope used the dimensional array `keymaps` to map between logical key position and hardware key position. `keymaps` has been replaced with `keymaps_linear`, which moves the keymap to a simple array. This makes it easier to support new features in Kaleidoscope and simplifies some code
## `PER_KEY_DATA` macros
New `PER_KEY_DATA` and `PER_KEY_DATA_STACKED` macros are available (when defined by a hardware implementation). These macros make it easier to build features like `KEYMAPS` that track some data about each key on a keyboard.
## New hardware support
Kaleidoscope has been ported to the following devices:

@ -443,6 +443,14 @@ The [OneShot plugin](doc/plugin/OneShot.md) has much improved stickability contr
The [EEPROM-Keymap](doc/plugin/EEPROM-Keymap.md) plugin had its `setup()` method changed, the formerly optional `method` argument is now obsolete and unused. It can be safely removed. Supplying a second argument will continue to work until its scheduled removal by **2019-04-30**.
## keymaps array and KEYMAPS and KEYMAPS_STACKED macros
The `keymaps` array has been replaced with a `keymaps_linear` array. This new array treats each layer as a simple one dimensional array of keys, rather than a two dimensional array of arrays of rows. At the same time, the `KEYMAPS` and `KEYMAPS_STACKED` macros that were previously defined in each hardware implmentation class have been replaced with `PER_KEY_DATA` and `PER_KEY_DATA_STACKED` macros in each hardware class. This change should be invisible to users, but will require changes by any plugin that accessed the 'keymaps' variable directly.
Code like `key.raw = pgm_read_word(&(keymaps[layer][row][col])); return key;` should be changed to look like this: `return keyFromKeymap(layer, row, col);`
The old, deprecated, API will be removed on **2019-08-13**.
### Source code and namespace rearrangement
With the move towards a monorepo-based source, some headers have moved to a new location, and plenty of plugins moved to a new namespace (`kaleidoscope::plugin`). This means that the old headers, and some old names are deprecated. The old names no longer work.

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