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qmk_firmware/users/drashna/readme_handlers.md

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[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
2019-07-23 03:22:33 +00:00
# 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();
}
```