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authortmk2013-03-05 15:45:15 +0900
committertmk2013-03-05 15:45:15 +0900
commit38bbe976e00a9a7bf6f8157016717e80503bf6a9 (patch)
tree9113cd57c1bff3deef394ee966e2fdac8731a244 /common/layer_switch.c
parent1720cf34caa518a2cf85f286d1ca077ebe1a1451 (diff)
parent5808317b694004c43a6e0f76e9715415cce19a25 (diff)
Merge branch 'overlays'
Diffstat (limited to 'common/layer_switch.c')
-rw-r--r--common/layer_switch.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/common/layer_switch.c b/common/layer_switch.c
new file mode 100644
index 000000000..19e286f88
--- /dev/null
+++ b/common/layer_switch.c
@@ -0,0 +1,201 @@
+#include <stdint.h>
+#include "keyboard.h"
+#include "action.h"
+#include "debug.h"
+#include "util.h"
+#include "layer_switch.h"
+
+
+/*
+ * Default Layer (0-15)
+ */
+uint8_t default_layer = 0;
+
+void default_layer_set(uint8_t layer)
+{
+ debug("default_layer_set: ");
+ debug_dec(default_layer); debug(" to ");
+
+ default_layer = layer;
+
+ debug_dec(default_layer); debug("\n");
+
+ clear_keyboard_but_mods(); // To avoid stuck keys
+}
+
+
+/*
+ * Keymap Layer (0-15)
+ */
+uint16_t keymap_stat = 0;
+
+/* return highest layer whose state is on */
+uint8_t keymap_get_layer(void)
+{
+ return biton16(keymap_stat);
+}
+
+static void keymap_stat_set(uint16_t stat)
+{
+ debug("keymap: ");
+ keymap_debug(); debug(" to ");
+
+ keymap_stat = stat;
+
+ keymap_debug(); debug("\n");
+
+ clear_keyboard_but_mods(); // To avoid stuck keys
+}
+
+void keymap_clear(void)
+{
+ keymap_stat_set(0);
+}
+
+
+void keymap_set(uint16_t stat)
+{
+ keymap_stat_set(stat);
+}
+
+void keymap_move(uint8_t layer)
+{
+ keymap_stat_set(1<<layer);
+}
+
+void keymap_on(uint8_t layer)
+{
+ keymap_stat_set(keymap_stat | (1<<layer));
+}
+
+void keymap_off(uint8_t layer)
+{
+ keymap_stat_set(keymap_stat & ~(1<<layer));
+}
+
+void keymap_invert(uint8_t layer)
+{
+ keymap_stat_set(keymap_stat ^ (1<<layer));
+}
+
+void keymap_or(uint16_t stat)
+{
+ keymap_stat_set(keymap_stat | stat);
+}
+void keymap_and(uint16_t stat)
+{
+ keymap_stat_set(keymap_stat & stat);
+}
+void keymap_xor(uint16_t stat)
+{
+ keymap_stat_set(keymap_stat ^ stat);
+}
+
+void keymap_debug(void)
+{
+ debug_hex16(keymap_stat); debug("("); debug_dec(keymap_get_layer()); debug(")");
+}
+
+
+
+/*
+ * Overlay Layer (16-31 = 0-15|0x10)
+ */
+uint16_t overlay_stat = 0;
+
+/* return highest layer whose state is on */
+uint8_t overlay_get_layer(void)
+{
+ return biton16(overlay_stat);
+}
+
+static void overlay_stat_set(uint16_t stat)
+{
+ debug("overlay: ");
+ overlay_debug(); debug(" to ");
+
+ overlay_stat = stat;
+
+ overlay_debug(); debug("\n");
+
+ clear_keyboard_but_mods(); // To avoid stuck keys
+}
+
+void overlay_clear(void)
+{
+ overlay_stat_set(0);
+}
+
+
+void overlay_set(uint16_t stat)
+{
+ overlay_stat_set(stat);
+}
+
+void overlay_move(uint8_t layer)
+{
+ overlay_stat_set(1<<layer);
+}
+
+void overlay_on(uint8_t layer)
+{
+ overlay_stat_set(overlay_stat | (1<<layer));
+}
+
+void overlay_off(uint8_t layer)
+{
+ overlay_stat_set(overlay_stat & ~(1<<layer));
+}
+
+void overlay_invert(uint8_t layer)
+{
+ overlay_stat_set(overlay_stat ^ (1<<layer));
+}
+
+void overlay_or(uint16_t stat)
+{
+ overlay_stat_set(overlay_stat | stat);
+}
+void overlay_and(uint16_t stat)
+{
+ overlay_stat_set(overlay_stat & stat);
+}
+void overlay_xor(uint16_t stat)
+{
+ overlay_stat_set(overlay_stat ^ stat);
+}
+
+void overlay_debug(void)
+{
+ debug_hex16(overlay_stat); debug("("); debug_dec(overlay_get_layer()); debug(")");
+}
+
+action_t layer_switch_get_action(key_t key)
+{
+ action_t action;
+ action.code = ACTION_TRANSPARENT;
+
+ /* overlay: top layer first */
+ for (int8_t i = 15; i >= 0; i--) {
+ if (overlay_stat & (1<<i)) {
+ action = action_for_key(i | OVERLAY_BIT, key);
+ if (action.code != ACTION_TRANSPARENT) {
+ return action;
+ }
+ }
+ }
+
+ /* keymap: top layer first */
+ for (int8_t i = 15; i >= 0; i--) {
+ if (keymap_stat & (1<<i)) {
+ action = action_for_key(i, key);
+ if (action.code != ACTION_TRANSPARENT) {
+ return action;
+ }
+ }
+ }
+
+ /* default layer */
+ action = action_for_key(default_layer, key);
+ return action;
+}