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bootmagic mods covering the case when swapped mods are pressed at the…
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… same time (#21320)
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nimishgautam authored Jul 7, 2023
1 parent ebec17a commit ea87936
Showing 1 changed file with 20 additions and 24 deletions.
44 changes: 20 additions & 24 deletions quantum/keycode_config.c
Original file line number Diff line number Diff line change
Expand Up @@ -122,40 +122,36 @@ __attribute__((weak)) uint16_t keycode_config(uint16_t keycode) {
*/

__attribute__((weak)) uint8_t mod_config(uint8_t mod) {
/**
* Note: This function is for the 5-bit packed mods, NOT the full 8-bit mods.
* More info about the mods can be seen in modifiers.h.
*/
if (keymap_config.swap_lalt_lgui) {
if ((mod & MOD_RGUI) == MOD_LGUI) {
mod &= ~MOD_LGUI;
mod |= MOD_LALT;
} else if ((mod & MOD_RALT) == MOD_LALT) {
mod &= ~MOD_LALT;
mod |= MOD_LGUI;
/** If both modifiers pressed or neither pressed, do nothing
* Otherwise swap the values
* Note: The left mods are ANDed with the right-hand values to check
* if they were pressed with the right hand bit set
*/
if (((mod & MOD_RALT) == MOD_LALT) ^ ((mod & MOD_RGUI) == MOD_LGUI)) {
mod ^= (MOD_LALT | MOD_LGUI);
}
}
if (keymap_config.swap_ralt_rgui) {
if ((mod & MOD_RGUI) == MOD_RGUI) {
mod &= ~MOD_RGUI;
mod |= MOD_RALT;
} else if ((mod & MOD_RALT) == MOD_RALT) {
mod &= ~MOD_RALT;
mod |= MOD_RGUI;
if (((mod & MOD_RALT) == MOD_RALT) ^ ((mod & MOD_RGUI) == MOD_RGUI)) {
/* lefthand values to preserve the right hand bit */
mod ^= (MOD_LALT | MOD_LGUI);
}
}
if (keymap_config.swap_lctl_lgui) {
if ((mod & MOD_RGUI) == MOD_LGUI) {
mod &= ~MOD_LGUI;
mod |= MOD_LCTL;
} else if ((mod & MOD_RCTL) == MOD_LCTL) {
mod &= ~MOD_LCTL;
mod |= MOD_LGUI;
/* left mods ANDed with right-hand values to check for right hand bit */
if (((mod & MOD_RCTL) == MOD_LCTL) ^ ((mod & MOD_RGUI) == MOD_LGUI)) {
mod ^= (MOD_LCTL | MOD_LGUI);
}
}
if (keymap_config.swap_rctl_rgui) {
if ((mod & MOD_RGUI) == MOD_RGUI) {
mod &= ~MOD_RGUI;
mod |= MOD_RCTL;
} else if ((mod & MOD_RCTL) == MOD_RCTL) {
mod &= ~MOD_RCTL;
mod |= MOD_RGUI;
if (((mod & MOD_RCTL) == MOD_RCTL) ^ ((mod & MOD_RGUI) == MOD_RGUI)) {
/* lefthand values to preserve the right hand bit */
mod ^= (MOD_LCTL | MOD_LGUI);
}
}
if (keymap_config.no_gui) {
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