Files
firmware/right/src/layer.c
2018-08-19 11:28:28 -07:00

73 lines
2.1 KiB
C

#include "layer.h"
#include "slot.h"
#include "module.h"
#include "key_states.h"
#include "keymap.h"
static bool heldLayers[LAYER_COUNT];
static bool toggledLayers[LAYER_COUNT];
void updateLayerStates(void)
{
memset(heldLayers, false, LAYER_COUNT);
memset(toggledLayers, false, LAYER_COUNT);
for (uint8_t slotId=0; slotId<SLOT_COUNT; slotId++) {
for (uint8_t keyId=0; keyId<MAX_KEY_COUNT_PER_MODULE; keyId++) {
key_state_t *keyState = &KeyStates[slotId][keyId];
if (keyState->current && !keyState->suppressed) {
key_action_t action = CurrentKeymap[LayerId_Base][slotId][keyId];
if (action.type == KeyActionType_SwitchLayer) {
if (action.switchLayer.mode != SwitchLayerMode_Toggle) {
heldLayers[action.switchLayer.layer] = true;
} else if (!keyState->previous) {
toggledLayers[action.switchLayer.layer] = true;
}
}
}
}
}
}
layer_id_t PreviousHeldLayer = LayerId_Base;
layer_id_t ToggledLayer = LayerId_Base;
layer_id_t GetActiveLayer()
{
updateLayerStates();
// Handle toggled layers
for (layer_id_t layerId=LayerId_Mod; layerId<=LayerId_Mouse; layerId++) {
if (toggledLayers[layerId]) {
if (ToggledLayer == layerId) {
ToggledLayer = LayerId_Base;
break;
} else if (ToggledLayer == LayerId_Base && toggledLayers[layerId] == SwitchLayerMode_Toggle) {
ToggledLayer = layerId;
break;
}
}
}
if (ToggledLayer != LayerId_Base) {
return ToggledLayer;
}
// Handle held layers
layer_id_t heldLayer = LayerId_Base;
for (layer_id_t layerId=LayerId_Mod; layerId<=LayerId_Mouse; layerId++) {
if (heldLayers[layerId]) {
heldLayer = layerId;
break;
}
}
heldLayer = heldLayer != LayerId_Base && heldLayers[PreviousHeldLayer] ? PreviousHeldLayer : heldLayer;
PreviousHeldLayer = heldLayer;
return heldLayer;
}