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authorMichael F. Lamb <mike@datagrok.org>2020-01-26 20:26:40 -0800
committerridingqwerty <george.g.koenig@gmail.com>2020-01-26 23:26:40 -0500
commit5fb95c5f94d6c939dfea2fc716ef818d6242b918 (patch)
tree90aa18ca4d1036ceb7f1c4333c6767967b812806
parent05d6e6ca78087969d7a47862341d10b6b555c37e (diff)
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create users/datagrok (#7653)
* users/datagrok: add shared functions * users/datagrok: improve base-layer selection feature * users/datagrok: add README.md
-rw-r--r--users/datagrok/README.md63
-rw-r--r--users/datagrok/feature_cdeq.c47
-rw-r--r--users/datagrok/feature_cdeq.h2
-rw-r--r--users/datagrok/feature_default_layers_selector.c46
-rw-r--r--users/datagrok/feature_default_layers_selector.h69
5 files changed, 227 insertions, 0 deletions
diff --git a/users/datagrok/README.md b/users/datagrok/README.md
new file mode 100644
index 000000000..0d58c04e7
--- /dev/null
+++ b/users/datagrok/README.md
@@ -0,0 +1,63 @@
+# datagrok's QMK user-space code
+
+## cdeq "comma dot exclamation question"
+
+This is a hack to place `question mark` on `shift-comma` and `exclamation mark` on `shift-period`.
+
+When using an operating system configured for a US/qwerty layout this replaces the angle brackets `<` `>` with `?` `!`. This helps on small keyboards to keep symbols for prose co-located in one layer, and symbols for programming in another.
+
+It's a "hack" because the "proper" way to accomplish this would be to edit the operating system's keymap.
+
+### setup
+
+in your `keymap.c`:
+
+ #include "feature_cdeq.h"
+
+ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ return process_record_cdeq(keycode, record);
+ }
+
+in your `rules.mk`,
+
+ SRC += feature_cdeq.c
+
+### examples
+
+- atreus:datagrok
+- bm43a:datagrok
+- mitosis:datagrok
+
+## base layer selector
+
+Defines a keycode `KF_LAYO` to rotate between available default layers.
+
+`Shift`+`KF_LAYO` makes the currently selected one persistent across reboots.
+
+This is useful if you'd like your keyboard to support and toggle between QWERTY, Dvorak, Colemak, Workman, and other layouts while keeping a common arrangement of modifier and function keys.
+
+Since toggling layouts seems like something one does infrequently, I wanted to be able to operate this feature with a single key, instead of one for each layer like planck:default or bootmagic.
+
+### setup
+
+in your `keymap.c`:
+
+ #define KF_LAYO SAFE_RANGE
+ #include "feature_default_layers_selector.h"
+ const uint8_t highest_base_layer = 4;
+
+ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ return \
+ process_record_save_default_layer(keycode, record) && \
+ process_record_select_default_layer(keycode, record);
+ }
+
+in your `rules.mk`,
+
+ SRC += feature_default_layers_selector.c
+
+### examples
+
+- atreus:datagrok
+- bm43a:datagrok
+- mitosis:datagrok
diff --git a/users/datagrok/feature_cdeq.c b/users/datagrok/feature_cdeq.c
new file mode 100644
index 000000000..c1796ab22
--- /dev/null
+++ b/users/datagrok/feature_cdeq.c
@@ -0,0 +1,47 @@
+// This is a hack to place <question mark> on <shift-comma> and <exclamation
+// mark> on <shift-period>, when using an operating system configured for a
+// US/qwerty layout.
+//
+// cdeq = "comma dot exclamation question"
+
+#include QMK_KEYBOARD_H
+
+bool comm_shifted = false;
+bool ques_shifted = false;
+
+bool process_record_cdeq(uint16_t keycode, keyrecord_t *record) {
+ uint8_t shifted;
+ uint16_t s_keycode;
+ bool *k_shifted;
+
+ switch (keycode) {
+ case KC_COMM:
+ s_keycode = KC_SLSH;
+ k_shifted = &comm_shifted;
+ break;
+ case KC_DOT:
+ s_keycode = KC_1;
+ k_shifted = &ques_shifted;
+ break;
+ default:
+ return true;
+ }
+
+ shifted = get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT));
+
+ // Keydown. If shift is currently pressed, register its alternate keycode.
+ if (record->event.pressed && shifted) {
+ *k_shifted = true;
+ register_code(s_keycode);
+ return false;
+ // Keyup. If shift was pressed back when the key was pressed, unregister
+ // its alternate keycode.
+ } else if (!(record->event.pressed) && *k_shifted) {
+ *k_shifted = false;
+ unregister_code(s_keycode);
+ return false;
+ // Otherwise, behave as normal.
+ } else {
+ return true;
+ }
+}
diff --git a/users/datagrok/feature_cdeq.h b/users/datagrok/feature_cdeq.h
new file mode 100644
index 000000000..ff3509b4d
--- /dev/null
+++ b/users/datagrok/feature_cdeq.h
@@ -0,0 +1,2 @@
+#include QMK_KEYBOARD_H
+bool process_record_cdeq(uint16_t keycode, keyrecord_t *record);
diff --git a/users/datagrok/feature_default_layers_selector.c b/users/datagrok/feature_default_layers_selector.c
new file mode 100644
index 000000000..c83c773f8
--- /dev/null
+++ b/users/datagrok/feature_default_layers_selector.c
@@ -0,0 +1,46 @@
+#include "feature_default_layers_selector.h"
+
+#ifdef AUDIO_ENABLE
+#include "audio.h"
+#ifdef DEFAULT_LAYER_SONGS
+extern float default_layer_songs[][16][2];
+#endif
+#endif
+
+bool process_record_save_default_layer(uint16_t keycode, keyrecord_t *record) {
+
+#if defined(AUDIO_ENABLE)
+ float saved_song[][2] = SONG(COIN_SOUND);
+#endif
+
+ if (!(keycode == KF_LAYO
+ && record->event.pressed
+ && get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT)))) {
+ return true;
+ }
+
+ eeconfig_update_default_layer(default_layer_state);
+#if defined(AUDIO_ENABLE)
+ PLAY_SONG(saved_song);
+#endif
+ return false;
+}
+
+bool process_record_select_default_layer(uint16_t keycode, keyrecord_t *record) {
+ if (!(keycode == KF_LAYO
+ && record->event.pressed)) {
+ return true;
+ }
+ if (!default_layer_state) {
+ default_layer_set(2);
+ } else {
+ default_layer_set(
+ (((1U<<(highest_base_layer+1))-1) & (default_layer_state<<1))
+ | (default_layer_state>>highest_base_layer));
+ }
+ led_set(host_keyboard_leds());
+#if defined(AUDIO_ENABLE) && defined(DEFAULT_LAYER_SONGS)
+ PLAY_SONG(default_layer_songs[get_highest_layer(default_layer_state)]);
+#endif
+ return false;
+}
diff --git a/users/datagrok/feature_default_layers_selector.h b/users/datagrok/feature_default_layers_selector.h
new file mode 100644
index 000000000..37d82de82
--- /dev/null
+++ b/users/datagrok/feature_default_layers_selector.h
@@ -0,0 +1,69 @@
+#include QMK_KEYBOARD_H
+
+/*
+ Define a keycode KF_LAYO to rotate between available default layers.
+ Shift+KF_LAYO makes the current one persistent.
+
+ To use:
+
+ in your keymap.c, define KF_LAYO so it does not conflict with anything else.
+ then include this header and set highest_base_layer.
+
+ #define KF_LAYO SAFE_RANGE
+ #include "feature_default_layers_selector.h"
+
+ const uint8_t highest_base_layer = 4; // the index
+
+ and in your rules.mk,
+
+ SRC += feature_default_layers_selector.c
+*/
+
+/*
+ See https://docs.qmk.fm/#/keymap for docs about layers including the concept
+ of "base" or "default" layers.
+
+ This is broken into two functions so that:
+
+ - If you don't want to store the default layer state in eeprom, don't call
+ process_record_save_default_layer.
+
+ - If you have your own mechanism for setting the default layer state (to one
+ or multiple layers), do that instead of process_record_select_default_layer.
+
+ If you call both functions, call process_record_save_default_layer first.
+
+ The QMK docs seem to assume that you will have only one layer as your
+ default layer at any time, but the source code actually supports an arbitrary
+ default_layer_state (composition of layers)
+
+ quantum has "set_single_persistent_default_layer" but that writes to eeprom
+ every time you change your default layer preference. i wanted a behavior
+ instead which lets you switch default layers all you want, then store the
+ current configuration once you're happy with it. that way if you get into an
+ unusable state you can just unplug and replug your keyboard to escape from it.
+
+ this code assumes:
+
+ 1. each default layer state that you would select among consists of a single
+ layer, which we will call a "base" layer.
+
+ 2. all your "base" layers are stored contiguously at the bottom of your
+ keymaps[] stack, and there are no non-"base" layers mixed in.
+
+ 3. you have a maximum of 8 "base" layers. that is, the highest base layer is
+ index 7.
+
+ while 16 and 32 bit platforms might allow default_layer_state to include more
+ and higher-numbered layers, eeconfig_update_default_layer saves only the first
+ 8 bits of default_layer_state to eeprom.
+
+*/
+
+#ifndef KF_LAYO
+#define KF_LAYO SAFE_RANGE
+#endif
+
+const uint8_t highest_base_layer;
+bool process_record_save_default_layer(uint16_t keycode, keyrecord_t *record);
+bool process_record_select_default_layer(uint16_t keycode, keyrecord_t *record);