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Add layer stack

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This commit is contained in:
tmk
2013-02-14 15:22:59 +09:00
parent 7a31451a07
commit 0018e19f07
2 changed files with 286 additions and 106 deletions
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259
common/action.c
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@ -163,6 +163,85 @@ static void oneshot_toggle(void)
}
/*
* Layer stack
*/
#define LAYER_STACK_SIZE 8
typedef struct {
uint8_t layer:4;
uint8_t next:3;
bool used;
} layer_item_t;
static uint8_t top_layer = 0;
// [0] is sentinel and not used. [0] is null item.
static layer_item_t layer_stack[LAYER_STACK_SIZE] = {};
static bool layer_push(uint8_t layer)
{
for (uint8_t i = 1; i < LAYER_STACK_SIZE; i++) {
if (!layer_stack[i].used) {
layer_stack[i] = (layer_item_t){ .layer = layer,
.next = top_layer,
.used = true };
top_layer = i;
return true;
}
}
return false;
}
static bool layer_pop(void)
{
if (layer_stack[top_layer].used) {
uint8_t popped = top_layer;
top_layer = layer_stack[popped].next;
layer_stack[popped] = (layer_item_t){};
return true;
}
return false;
}
static bool layer_remove(uint8_t layer)
{
if (layer_stack[top_layer].used && layer_stack[top_layer].layer == layer) {
layer_pop();
debug("layer_remove: top_layer\n");
return true;
}
for (uint8_t i = top_layer; layer_stack[i].used; i = layer_stack[i].next) {
debug("layer_remove: ["); debug_dec(i); debug("]");
debug_dec(layer_stack[i].layer); debug("\n");
uint8_t removed = layer_stack[i].next;
if (layer_stack[removed].used && layer_stack[removed].layer == layer) {
layer_stack[i].next = layer_stack[removed].next;
layer_stack[removed] = (layer_item_t){};
debug("layer_remove: removed.\n");
return true;
}
}
return false;
}
static bool layer_remove_then_push(uint8_t layer)
{
layer_remove(layer);
return layer_push(layer);
}
static bool layer_remove_or_push(uint8_t layer)
{
return (layer_remove(layer)) || layer_push(layer);
}
static void debug_layer_stack(void)
{
debug("layer_stack: ");
layer_item_t item = layer_stack[top_layer];
while (item.used) {
debug_dec(item.layer);
debug("["); debug_dec(item.next); debug("]");
item = layer_stack[item.next];
}
debug("\n");
}
void action_exec(keyevent_t event)
{
@ -209,13 +288,26 @@ void action_exec(keyevent_t event)
static action_t get_action(key_t key)
{
action_t action = action_for_key(current_layer, key);
action_t action;
/* Transparently use default layer */
/* layer stack */
for (layer_item_t i = layer_stack[top_layer]; i.used; i = layer_stack[i.next]) {
action = action_for_key(i.layer, key);
if (action.code != ACTION_TRANSPARENT) {
debug_layer_stack();
debug("layer_stack: used. "); debug_dec(i.layer); debug("\n");
return action;
}
debug("layer_stack: through. "); debug_dec(i.layer); debug("\n");
}
/* current layer */
action = action_for_key(current_layer, key);
/* default layer */
if (action.code == ACTION_TRANSPARENT) {
// TODO: layer stacking
action = action_for_key(default_layer, key);
debug("TRNASPARENT: "); debug_hex16(action.code); debug("\n");
action = action_for_key(default_layer, key);
}
return action;
}
@ -287,7 +379,7 @@ static void process_action(keyrecord_t *record)
} else {
if (tap_count == 0) {
debug("MODS_TAP: Oneshot: cancel/del_mods\n");
// cancel oneshot by holding.
// cancel oneshot on hold
oneshot_cancel();
del_mods(mods);
}
@ -390,22 +482,8 @@ static void process_action(keyrecord_t *record)
layer_switch(action.layer.val);
}
break;
case LAYER_DEFAULT: /* default layer */
switch (action.layer.val) {
case DEFAULT_ON_BOTH:
layer_switch(default_layer);
break;
case DEFAULT_ON_PRESS:
if (event.pressed) {
layer_switch(default_layer);
}
break;
case DEFAULT_ON_RELEASE:
if (!event.pressed) {
layer_switch(default_layer);
}
break;
}
case LAYER_ON_BOTH:
layer_switch(action.layer.val);
break;
case LAYER_TAP_TOGGLE: /* switch on hold and toggle on several taps */
if (event.pressed) {
@ -419,29 +497,39 @@ static void process_action(keyrecord_t *record)
}
}
break;
case LAYER_CHANGE_DEFAULT: /* change default layer */
case LAYER_SET_DEFAULT_ON_PRESS:
if (event.pressed) {
default_layer = action.layer.val;
layer_switch(default_layer);
}
break;
default: /* switch layer on hold and key on tap*/
case LAYER_SET_DEFAULT_ON_RELEASE:
if (!event.pressed) {
default_layer = action.layer.val;
layer_switch(default_layer);
}
break;
case LAYER_SET_DEFAULT_ON_BOTH:
default_layer = action.layer.val;
layer_switch(default_layer);
break;
default:
/* tap key */
if (event.pressed) {
if (tap_count > 0) {
debug("LAYER_PRESSED: Tap: register_code\n");
register_code(action.layer.code);
} else {
debug("LAYER_PRESSED: No tap: layer_switch\n");
layer_switch(action.layer.val);
}
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_SET: Tap: register_code\n");
register_code(action.layer.code);
} else {
debug("LAYER_SET: No tap: layer_set(on press)\n");
layer_switch(action.layer.val);
}
} else {
if (tap_count > 0) {
debug("LAYER_PRESSED: Tap: unregister_code\n");
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_SET: Tap: unregister_code\n");
unregister_code(action.layer.code);
} else {
//debug("LAYER_PRESSED: No tap: NO ACTION\n");
// NOTE: This is needed by legacy keymap support
debug("LAYER_PRESSED: No tap: return to default layer\n");
debug("LAYER_SET: No tap: return to default layer(on release)\n");
layer_switch(default_layer);
}
}
@ -452,9 +540,9 @@ static void process_action(keyrecord_t *record)
switch (action.layer.code) {
case LAYER_MOMENTARY: /* momentary */
if (event.pressed) {
layer_switch(current_layer ^ action.layer.val);
layer_switch(current_layer | action.layer.val);
} else {
layer_switch(current_layer ^ action.layer.val);
layer_switch(current_layer & ~action.layer.val);
}
break;
case LAYER_ON_PRESS:
@ -467,6 +555,9 @@ static void process_action(keyrecord_t *record)
layer_switch(current_layer ^ action.layer.val);
}
break;
case LAYER_ON_BOTH:
layer_switch(current_layer ^ action.layer.val);
break;
case LAYER_TAP_TOGGLE: /* switch on hold and toggle on several taps */
if (event.pressed) {
if (tap_count < TAPPING_TOGGLE) {
@ -480,24 +571,30 @@ static void process_action(keyrecord_t *record)
}
}
break;
case 0xFF:
// change default layer
case LAYER_SET_DEFAULT_ON_PRESS:
if (event.pressed) {
default_layer = current_layer ^ action.layer.val;
layer_switch(default_layer);
} else {
default_layer = current_layer ^ action.layer.val;
layer_switch(default_layer);
}
break;
case LAYER_SET_DEFAULT_ON_RELEASE:
if (!event.pressed) {
default_layer = current_layer ^ action.layer.val;
layer_switch(default_layer);
}
break;
case LAYER_SET_DEFAULT_ON_BOTH:
default_layer = current_layer ^ action.layer.val;
layer_switch(default_layer);
break;
default:
// with tap key
// tap key
if (event.pressed) {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_BIT: Tap: register_code\n");
register_code(action.layer.code);
} else {
debug("LAYER_BIT: No tap: layer_switch(bit on)\n");
debug("LAYER_BIT: No tap: layer_bit(on press)\n");
layer_switch(current_layer ^ action.layer.val);
}
} else {
@ -505,13 +602,79 @@ static void process_action(keyrecord_t *record)
debug("LAYER_BIT: Tap: unregister_code\n");
unregister_code(action.layer.code);
} else {
debug("LAYER_BIT: No tap: layer_switch(bit off)\n");
debug("LAYER_BIT: No tap: layer_bit(on release)\n");
layer_switch(current_layer ^ action.layer.val);
}
}
break;
}
break;
case ACT_LAYER_STACK:
switch (action.layer.code) {
case LAYER_MOMENTARY: /* momentary */
if (event.pressed) {
layer_remove_then_push(action.layer.val);
debug_layer_stack();
} else {
layer_remove(action.layer.val);
debug_layer_stack();
}
break;
case LAYER_ON_PRESS:
if (event.pressed) {
layer_remove_or_push(action.layer.val);
debug_layer_stack();
}
break;
case LAYER_ON_RELEASE:
if (!event.pressed) {
layer_remove_or_push(action.layer.val);
debug_layer_stack();
}
break;
case LAYER_ON_BOTH:
layer_remove_or_push(action.layer.val);
debug_layer_stack();
break;
case LAYER_TAP_TOGGLE: /* switch on hold and toggle on several taps */
if (event.pressed) {
if (tap_count < TAPPING_TOGGLE) {
debug("LAYER_STACK: tap toggle(press).\n");
layer_remove_or_push(action.layer.val);
debug_layer_stack();
}
} else {
if (tap_count <= TAPPING_TOGGLE) {
debug("LAYER_STACK: tap toggle(release).\n");
layer_remove_or_push(action.layer.val);
debug_layer_stack();
}
}
break;
default:
// tap key
if (event.pressed) {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_STACK: Tap: register_code\n");
register_code(action.layer.code);
} else {
debug("LAYER_STACK: No tap: layer_stack(on press)\n");
layer_remove_or_push(action.layer.val);
debug_layer_stack();
}
} else {
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
debug("LAYER_STACK: Tap: unregister_code\n");
unregister_code(action.layer.code);
} else {
debug("LAYER_STACK: No tap: layer_stack(on release)\n");
layer_remove_or_push(action.layer.val);
debug_layer_stack();
}
}
break;
}
break;
/* Extentions */
case ACT_MACRO:
@ -839,7 +1002,10 @@ bool is_tap_key(key_t key)
case LAYER_MOMENTARY:
case LAYER_ON_PRESS:
case LAYER_ON_RELEASE:
case LAYER_DEFAULT:
case LAYER_ON_BOTH:
case LAYER_SET_DEFAULT_ON_PRESS:
case LAYER_SET_DEFAULT_ON_RELEASE:
case LAYER_SET_DEFAULT_ON_BOTH:
return false;
case LAYER_TAP_TOGGLE:
default: /* tap key */
@ -876,8 +1042,9 @@ static void debug_action(action_t action)
case ACT_RMODS_TAP: debug("ACT_RMODS_TAP"); break;
case ACT_USAGE: debug("ACT_USAGE"); break;
case ACT_MOUSEKEY: debug("ACT_MOUSEKEY"); break;
case ACT_LAYER: debug("ACT_LAYER"); break;
case ACT_LAYER: debug("ACT_LAYER"); break;
case ACT_LAYER_BIT: debug("ACT_LAYER_BIT"); break;
case ACT_LAYER_STACK: debug("ACT_LAYER_STACK"); break;
case ACT_MACRO: debug("ACT_MACRO"); break;
case ACT_COMMAND: debug("ACT_COMMAND"); break;
case ACT_FUNCTION: debug("ACT_FUNCTION"); break;