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-rw-r--r--tmk_core/common/action.c7
-rw-r--r--tmk_core/common/report.c26
-rw-r--r--tmk_core/common/report.h2
3 files changed, 35 insertions, 0 deletions
diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c
index ab68681ded..1ebe8b691a 100644
--- a/tmk_core/common/action.c
+++ b/tmk_core/common/action.c
@@ -752,6 +752,13 @@ void register_code(uint8_t code) {
*/
#endif
{
+ // Force a new key press if the key is already pressed
+ // without this, keys with the same keycode, but different
+ // modifiers will be reported incorrectly, see issue #1708
+ if (is_key_pressed(keyboard_report, code)) {
+ del_key(code);
+ send_keyboard_report();
+ }
add_key(code);
send_keyboard_report();
}
diff --git a/tmk_core/common/report.c b/tmk_core/common/report.c
index f4758b48ec..1bcb6f2adb 100644
--- a/tmk_core/common/report.c
+++ b/tmk_core/common/report.c
@@ -68,6 +68,32 @@ uint8_t get_first_key(report_keyboard_t* keyboard_report) {
#endif
}
+/** \brief Checks if a key is pressed in the report
+ *
+ * Returns true if the keyboard_report reports that the key is pressed, otherwise false
+ * Note: The function doesn't support modifers currently, and it returns false for KC_NO
+ */
+bool is_key_pressed(report_keyboard_t* keyboard_report, uint8_t key) {
+ if (key == KC_NO) {
+ return false;
+ }
+#ifdef NKRO_ENABLE
+ if (keyboard_protocol && keymap_config.nkro) {
+ if ((key >> 3) < KEYBOARD_REPORT_BITS) {
+ return keyboard_report->nkro.bits[key >> 3] & 1 << (key & 7);
+ } else {
+ return false;
+ }
+ }
+#endif
+ for (int i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+ if (keyboard_report->keys[i] == key) {
+ return true;
+ }
+ }
+ return false;
+}
+
/** \brief add key byte
*
* FIXME: Needs doc
diff --git a/tmk_core/common/report.h b/tmk_core/common/report.h
index ecd5da89a0..b7d104a459 100644
--- a/tmk_core/common/report.h
+++ b/tmk_core/common/report.h
@@ -19,6 +19,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define REPORT_H
#include <stdint.h>
+#include <stdbool.h>
#include "keycode.h"
/* report id */
@@ -236,6 +237,7 @@ static inline uint16_t KEYCODE2CONSUMER(uint8_t key) {
uint8_t has_anykey(report_keyboard_t* keyboard_report);
uint8_t get_first_key(report_keyboard_t* keyboard_report);
+bool is_key_pressed(report_keyboard_t* keyboard_report, uint8_t key);
void add_key_byte(report_keyboard_t* keyboard_report, uint8_t code);
void del_key_byte(report_keyboard_t* keyboard_report, uint8_t code);