New feature: `DYNAMIC_TAPPING_TERM_ENABLE` (#11036)

* New feature: `DYNAMIC_TAPPING_TERM_ENABLE`

3 new quantum keys to configure the tapping term on the fly.

* Replace sprintf call in tapping_term_report by get_u16_str

* Replace tab with 4 spaces

1 files changed, 50 insertions, 0 deletions

diff --git a/quantum/process_keycode/process_dynamic_tapping_term.c b/quantum/process_keycode/process_dynamic_tapping_term.c
new file mode 100644
index 0000000000..bdc5529e33
--- /dev/null
+++ b/quantum/process_keycode/process_dynamic_tapping_term.c
@@ -0,0 +1,50 @@
+/* Copyright 2020 Vladislav Kucheriavykh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "quantum.h"
+#include "process_dynamic_tapping_term.h"
+
+#ifndef DYNAMIC_TAPPING_TERM_INCREMENT
+#    define DYNAMIC_TAPPING_TERM_INCREMENT 5
+#endif
+
+static void tapping_term_report(void) {
+    const char *tapping_term_str = get_u16_str(g_tapping_term, ' ');
+    // Skip padding spaces
+    while (*tapping_term_str == ' ') {
+        tapping_term_str++;
+    }
+    send_string(tapping_term_str);
+}
+
+bool process_dynamic_tapping_term(uint16_t keycode, keyrecord_t *record) {
+    if (record->event.pressed) {
+        switch (keycode) {
+            case DT_PRNT:
+                tapping_term_report();
+                return false;
+
+            case DT_UP:
+                g_tapping_term += DYNAMIC_TAPPING_TERM_INCREMENT;
+                return false;
+
+            case DT_DOWN:
+                g_tapping_term -= DYNAMIC_TAPPING_TERM_INCREMENT;
+                return false;
+        }
+    }
+    return true;
+}