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[Keymap] Updates to personal Drop ALT keymap (qmk#13058)
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@ewersp @nhongooi
ewersp authored and nhongooi committed Dec 5, 2021
1 parent 6a88a58 commit 72e5a08
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14 changes: 7 additions & 7 deletions keyboards/massdrop/alt/keymaps/ewersp/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,13 @@ This keymap is very similar to the default keymap for the Drop ALT, but it overl

### For example:
```
LeftAlt + 1...N -> F1...FN
LeftAlt + L/R Arrows -> Home/End
LeftAlt + Home -> End
LeftAlt + Backspace -> Delete
LeftAlt + Esc -> Backtick (`)
LeftAlt + 1...N -> F1...FN
LeftAlt + L/R Arrows -> Home/End
LeftAlt + Home -> End
LeftAlt + Backspace -> Delete
LeftAlt + Esc -> Backtick (`)
LeftAlt + Shift + Esc -> Tilde (~)
LeftAlt + LeftShift + 4 -> Alt+F4
```

The novel part of this keymap is that it **preserves the default functionality** of the left alt key, so ```'alt + tab', 'ctrl + alt + del', 'alt + f4'```, etc. all work as expected without using any janky timers.
Expand All @@ -23,8 +25,6 @@ And finally, the original alt key functionality can be toggled at any time by pr

This keymap was based on the 'default' Drop ALT keymap (and _not_ 'default_md') which means it supports all the fancy QMK RGB patterns, and isn't limited to the stock options that come with the board.

It's also worth noting that this keymap fixes an outstanding issue where the caps lock LED flickers when the RGB mode is keylight or underglow. I could not find a general purpose fix, but the one included here works quite well.

If you have any questions, feel free to reach out to me at: ewersp [at] gmail [dot] com.

Enjoy! **<3**
134 changes: 90 additions & 44 deletions keyboards/massdrop/alt/keymaps/ewersp/keymap.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
KC_GRV, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, _______, KC_MUTE,
_______, RGB_SPD, RGB_VAI, RGB_SPI, RGB_HUI, RGB_SAI, _______, U_T_AUTO,U_T_AGCR,_______, KC_PSCR, KC_SLCK, KC_PAUS, _______, KC_END,
_______, RGB_RMOD,RGB_VAD, RGB_MOD, RGB_HUD, RGB_SAD, _______, _______, _______, _______, _______, _______, _______, KC_VOLU,
_______, RGB_TOG, _______, _______, _______, MD_BOOT, NK_TOGG, DBG_TOG, _______, TG(ALT), _______, _______, KC_PGUP, KC_VOLD,
_______, RGB_TOG, _______, _______, EEP_RST, MD_BOOT, NK_TOGG, DBG_TOG, _______, TG(ALT), _______, _______, KC_PGUP, KC_VOLD,
_______, _______, KC_LALT, _______, _______, _______, KC_HOME, KC_PGDN, KC_END
),
[SUPR] = LAYOUT_65_ansi_blocker(
Expand All @@ -50,34 +50,56 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
)
};

// If the super alt layer is the active layer
bool super_alt_layer_active = false;
// EEPROM storage mode
enum alt_rgb_mode {
RGB_MODE_ALL,
RGB_MODE_KEYLIGHT,
RGB_MODE_UNDERGLOW,
RGB_MODE_NONE,
};

// If we need to unregister alt when leaving the super alt layer
bool need_to_unregister_alt = false;
// EEPROM storage type
typedef union {
uint32_t raw;
struct {
uint8_t rgb_mode :8;
};
} alt_config_t;

alt_config_t alt_config;

// Read from EEPROM on init to load the last saved mode
void keyboard_post_init_kb(void) {
alt_config.raw = eeconfig_read_user();
switch (alt_config.rgb_mode) {
case RGB_MODE_ALL:
rgb_matrix_set_flags(LED_FLAG_ALL);
rgb_matrix_enable_noeeprom();
break;
case RGB_MODE_KEYLIGHT:
rgb_matrix_set_flags(LED_FLAG_KEYLIGHT);
rgb_matrix_set_color_all(0, 0, 0);
break;
case RGB_MODE_UNDERGLOW:
rgb_matrix_set_flags(LED_FLAG_UNDERGLOW);
rgb_matrix_set_color_all(0, 0, 0);
break;
case RGB_MODE_NONE:
rgb_matrix_set_flags(LED_FLAG_NONE);
rgb_matrix_disable_noeeprom();
break;
}
}

#define MODS_SHIFT (get_mods() & MOD_BIT(KC_LSHIFT) || get_mods() & MOD_BIT(KC_RSHIFT))
#define MODS_CTRL (get_mods() & MOD_BIT(KC_LCTL) || get_mods() & MOD_BIT(KC_RCTRL))
#define MODS_ALT (get_mods() & MOD_BIT(KC_LALT) || get_mods() & MOD_BIT(KC_RALT))

// Taken from 'g_led_config' in config_led.c
#define CAPS_LOCK_LED_ID 30

// This runs every matrix scan (every 'frame')
void rgb_matrix_indicators_user(void) {
led_flags_t flags = rgb_matrix_get_flags();

// If we're in either keylight or underglow modes (but not both simultaneously)
if (HAS_FLAGS(flags, LED_FLAG_KEYLIGHT) != HAS_FLAGS(flags, LED_FLAG_UNDERGLOW)) {
// If the super alt layer is the active layer
bool super_alt_layer_active = false;

// This fixes a bug where the caps lock LED flickers when toggled in either keylight or underglow modes
if (host_keyboard_leds() & (1 << USB_LED_CAPS_LOCK)) {
rgb_matrix_set_color(CAPS_LOCK_LED_ID, RGB_WHITE);
} else {
rgb_matrix_set_color(CAPS_LOCK_LED_ID, 0, 0, 0);
}
}
}
// If we need to unregister alt when leaving the super alt layer
bool need_to_unregister_alt = false;

// This runs code every time that the layers get changed
layer_state_t layer_state_set_user(layer_state_t state) {
Expand Down Expand Up @@ -118,6 +140,16 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
}
// We still want to process the keycode normally
return true;
case KC_F4:
// Map alt+shift+4 to alt+f4
if (super_alt_layer_active && (get_mods() & MOD_BIT(KC_LSHIFT))) {
if (record->event.pressed) {
register_code(KC_LALT);
} else {
unregister_code(KC_LALT);
}
}
return true;
case ALT_DEL:
if (record->event.pressed) {
register_code(KC_DEL);
Expand Down Expand Up @@ -164,30 +196,44 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
}
}
return false;
case EEP_RST:
if (record->event.pressed) {
key_timer = timer_read32();
} else {
if (timer_elapsed32(key_timer) >= 500) {
eeconfig_init();
}
}
return false;
case RGB_TOG:
if (record->event.pressed) {
switch (rgb_matrix_get_flags()) {
case LED_FLAG_ALL: {
rgb_matrix_set_flags(LED_FLAG_KEYLIGHT);
rgb_matrix_set_color_all(0, 0, 0);
}
break;
case LED_FLAG_KEYLIGHT: {
rgb_matrix_set_flags(LED_FLAG_UNDERGLOW);
rgb_matrix_set_color_all(0, 0, 0);
}
break;
case LED_FLAG_UNDERGLOW: {
rgb_matrix_set_flags(LED_FLAG_NONE);
rgb_matrix_disable_noeeprom();
}
break;
default: {
rgb_matrix_set_flags(LED_FLAG_ALL);
rgb_matrix_enable_noeeprom();
}
break;
}
switch (rgb_matrix_get_flags()) {
case LED_FLAG_ALL: {
rgb_matrix_set_flags(LED_FLAG_KEYLIGHT | LED_FLAG_MODIFIER | LED_FLAG_INDICATOR);
rgb_matrix_set_color_all(0, 0, 0);
alt_config.rgb_mode = RGB_MODE_KEYLIGHT;
break;
}
case (LED_FLAG_KEYLIGHT | LED_FLAG_MODIFIER | LED_FLAG_INDICATOR): {
rgb_matrix_set_flags(LED_FLAG_UNDERGLOW);
rgb_matrix_set_color_all(0, 0, 0);
alt_config.rgb_mode = RGB_MODE_UNDERGLOW;
break;
}
case LED_FLAG_UNDERGLOW: {
rgb_matrix_set_flags(LED_FLAG_NONE);
rgb_matrix_disable_noeeprom();
alt_config.rgb_mode = RGB_MODE_NONE;
break;
}
default: {
rgb_matrix_set_flags(LED_FLAG_ALL);
rgb_matrix_enable_noeeprom();
alt_config.rgb_mode = RGB_MODE_ALL;
break;
}
}
eeconfig_update_user(alt_config.raw);
}
return false;
default:
Expand Down

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