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| author | Colin T.A. Gray <colinta@gmail.com> | 2017-12-05 11:59:53 -0700 |
|---|---|---|
| committer | Jack Humbert <jack.humb@gmail.com> | 2017-12-08 16:09:47 -0500 |
| commit | 1620d78e73f8e01ed1d48255c655d9eb6cc1b135 (patch) | |
| tree | 761d0d19cbcaff55b07970108e902e5101ff999a | |
| parent | fc54d62111204a01b75dc24a427c2f5aa2ea3c3c (diff) | |
| download | qmk_firmware-1620d78e73f8e01ed1d48255c655d9eb6cc1b135.tar.gz qmk_firmware-1620d78e73f8e01ed1d48255c655d9eb6cc1b135.zip | |
helper to compare current layer_state to user layer
Performs the same bit comparison that the layer_move
functions perform
| -rw-r--r-- | tmk_core/common/action_layer.c | 10 | ||||
| -rw-r--r-- | tmk_core/common/action_layer.h | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/tmk_core/common/action_layer.c b/tmk_core/common/action_layer.c index 277a8f5d95..46ea58727c 100644 --- a/tmk_core/common/action_layer.c +++ b/tmk_core/common/action_layer.c @@ -88,6 +88,16 @@ void layer_clear(void) layer_state_set(0); } +bool layer_state_is(uint8_t layer) +{ + return layer_state_cmp(layer_state, layer); +} + +bool layer_state_cmp(uint32_t cmp_layer_state, uint8_t layer) { + if (layer == 0) { return cmp_layer_state == 0; } + return (cmp_layer_state & (1UL<<layer)) > 0; +} + void layer_move(uint8_t layer) { layer_state_set(1UL<<layer); diff --git a/tmk_core/common/action_layer.h b/tmk_core/common/action_layer.h index e71604d872..5fad18cbd6 100644 --- a/tmk_core/common/action_layer.h +++ b/tmk_core/common/action_layer.h @@ -51,6 +51,8 @@ void default_layer_xor(uint32_t state); extern uint32_t layer_state; void layer_debug(void); void layer_clear(void); +bool layer_state_is(uint8_t layer); +bool layer_state_cmp(uint32_t layer1, uint8_t layer2); void layer_move(uint8_t layer); void layer_on(uint8_t layer); void layer_off(uint8_t layer); |