qmk_firmware/users/drashna/readme_handlers.md
Drashna Jaelre d41961c9ed [Keymap] Drashna's Feature madness (#6128)
* Fix my Tap Dance issues after I broke them

* Cleanup and organization of userspace documentation

As well as some additional cleanup of functions due to review of documentation.

* Enable Tapdance on Glow and remove more animations

* Revert to Eager PR debouncing

* Add better check for startup animation

* Move where RGB Matrix defines are listed

* Limit RGB Matrix max val

* Update keyboard for Iris Rev 3 conflicts

* Enable encoder support on planck ez

* Remove is_master check from corne\'s OLED code

* Overhaul OLED screens for my Corne

* One last removal

* Show RGB valu On both sides

* Updates for OLED display info

* Fix compile issues for rgb config

* Disabled Space Cadet for all drashna keymaps

* Fix OLED Screen configs

* Minor OLED Tweaks

* Revert some Iris changes

* Fix song include

* Handle MAKE macro for the Corne boards better

* Add super hacky-hack for eeconfig initialization

* Add audio support for Fractal since Elite Cs support it

* Add defines for keycode steps

* Add White layout

* Update Corne RGB info

* Add fun effects to layer indication for RGB Matrix enabled boards

* Use proper define for product name detection

* Update formatting

* Use custom timeout mechanism for OLED timeout

* Fix up OLED screen HSV code for new HSV structure

* Better handle turning off RGB Matrix when sleeping

* Disable MultiSplash Animation

* Change Iris back to using serial

* Why was RGB disabled?!?!?!

* Limit val in rgb_matrix_layer_helper function

* Remove EECONFIG setting for RGB matrix
2019-07-22 20:22:33 -07:00

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Markdown

# Custom Userspace Function handlers
Specifically QMK works by using customized handlers for everything. This allows for multiple levels of customization.
`matrix_scan` calls `matrix_scan_quantum`, which calls `matrix_scan_kb`, which calls `matrix_scan_user`.
`process_record` calls a bunch of stuff, but eventually calls `process_record_kb` which calls `process_record_user`
The same goes for `matrix_init`, `layer_state_set`, `led_set`, and a few other functions.
All (most) `_user` functions are handled here, in the userspace instead. To allow keyboard specific configuration, I've created `_keymap` functions that can be called by the keymap.c files instead.
This allows for keyboard specific configuration while maintaining the ability to customize the board.
My [Ergodox EZ Keymap](https://github.com/qmk/qmk_firmware/blob/master/layouts/community/ergodox/drashna/keymap.c) is a good example of this, as it uses the LEDs as modifier indicators.
But for a list:
```c
__attribute__ ((weak))
void matrix_init_keymap(void) {}
void matrix_init_user(void) {
matrix_init_keymap();
}
__attribute__((weak))
void keyboard_post_init_keymap(void){ }
void keyboard_post_init_user(void){
keyboard_post_init_keymap();
}
__attribute__ ((weak))
void matrix_scan_keymap(void) {}
void matrix_scan_user(void) {
matrix_scan_keymap();
}
__attribute__ ((weak))
bool process_record_keymap(uint16_t keycode, keyrecord_t *record) {
return true;
}
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
return process_record_keymap(keycode, record);
}
__attribute__ ((weak))
layer_state_t layer_state_set_keymap (layer_state_t state) {
return state;
}
layer_state_t layer_state_set_user (layer_state_t state) {
return layer_state_set_keymap (state);
}
__attribute__ ((weak))
void led_set_keymap(uint8_t usb_led) {}
void led_set_user(uint8_t usb_led) {
led_set_keymap(usb_led);
}
__attribute__ ((weak))
void suspend_power_down_keymap(void) {}
void suspend_power_down_user(void) {
suspend_power_down_keymap();
}
__attribute__ ((weak))
void suspend_wakeup_init_keymap(void) {}
void suspend_wakeup_init_user(void) {
suspend_wakeup_init_keymap();
}
__attribute__ ((weak))
void shutdown_keymap(void) {}
void shutdown_user (void) {
shutdown_keymap();
}
__attribute__ ((weak))
void eeconfig_init_keymap(void) {}
void eeconfig_init_user(void) {
eeconfig_init_keymap();
}
```