From bdc8d89e6b8f49528b716d9bd3343a4f9e9327bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20=C4=90or=C4=91evi=C4=87?=
 <vomindoraan@gmail.com>
Date: Fri, 3 May 2019 18:33:00 +0200
Subject: New keycode macro (XP) for shifted character pairs using UNICODEMAP +
 bug fixes and improvements (#4803)
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* Expose unicode_saved_mods

* Add UNICODEMAP shift pair functionality and XS keycode

* Add XS to keycode reference documentation

* Pick pair index based on both Shift and Caps Lock state

* Add XS to Unicode feature docs

* Clean up process_unicode* headers

* Extract unicode_map index calculation into function

* Pick pair index as XOR rather than OR of Shift and Caps states

* unicode_input_start() has to be called before the unicode_map index is calculated

* Replace unicodemap_input_error() with more generic unicode_input_cancel()

* Replace register+tap+unregister with tap_code16(LCTL(LSFT(KC_U)))

* UNICODE_OSX_KEY → UNICODE_KEY_OSX, UNICODE_WINC_KEY → UNICODE_KEY_WINC

* Make keycode range checks more robust

* Fix keycode range checks for different input modes

* Add UNICODE_KEY_LNX, update docs

* QK_UNICODEMAP_SHIFT → QK_UNICODEMAP_PAIR

* XS → XP, update docs

* Tweak Unicode docs

* Use recently added MOD_MASK_SHIFT and IS_HOST_LED_ON helpers

* Update Unicode table in docs/keycodes.md

* Update Unicode docs per review comments

* Replace references to Mac OS X with macOS in Unicode docs

* As of v0.9.0, WinCompose supports all possible code points

* Expand descriptions in XP docs

* Update keycode table and cycling docs

* Further expand cycling docs
---
 quantum/process_keycode/process_unicode_common.c | 38 ++++++++++++++++--------
 1 file changed, 26 insertions(+), 12 deletions(-)

(limited to 'quantum/process_keycode/process_unicode_common.c')

diff --git a/quantum/process_keycode/process_unicode_common.c b/quantum/process_keycode/process_unicode_common.c
index d0a9cf2324..21ac2291db 100644
--- a/quantum/process_keycode/process_unicode_common.c
+++ b/quantum/process_keycode/process_unicode_common.c
@@ -20,6 +20,8 @@
 #include <string.h>
 
 unicode_config_t unicode_config;
+uint8_t          unicode_saved_mods;
+
 #if UNICODE_SELECTED_MODES != -1
 static uint8_t selected[] = { UNICODE_SELECTED_MODES };
 static uint8_t selected_count = sizeof selected / sizeof *selected;
@@ -75,30 +77,24 @@ void persist_unicode_input_mode(void) {
   eeprom_update_byte(EECONFIG_UNICODEMODE, unicode_config.input_mode);
 }
 
-static uint8_t saved_mods;
-
 __attribute__((weak))
 void unicode_input_start(void) {
-  saved_mods = get_mods(); // Save current mods
+  unicode_saved_mods = get_mods(); // Save current mods
   clear_mods(); // Unregister mods to start from a clean state
 
   switch (unicode_config.input_mode) {
   case UC_OSX:
-    register_code(UNICODE_OSX_KEY);
+    register_code(UNICODE_KEY_OSX);
     break;
   case UC_LNX:
-    register_code(KC_LCTL);
-    register_code(KC_LSFT);
-    tap_code(KC_U); // TODO: Replace with tap_code16(LCTL(LSFT(KC_U))); and test
-    unregister_code(KC_LSFT);
-    unregister_code(KC_LCTL);
+    tap_code16(UNICODE_KEY_LNX);
     break;
   case UC_WIN:
     register_code(KC_LALT);
     tap_code(KC_PPLS);
     break;
   case UC_WINC:
-    tap_code(UNICODE_WINC_KEY);
+    tap_code(UNICODE_KEY_WINC);
     tap_code(KC_U);
     break;
   }
@@ -110,7 +106,7 @@ __attribute__((weak))
 void unicode_input_finish(void) {
   switch (unicode_config.input_mode) {
   case UC_OSX:
-    unregister_code(UNICODE_OSX_KEY);
+    unregister_code(UNICODE_KEY_OSX);
     break;
   case UC_LNX:
     tap_code(KC_SPC);
@@ -123,7 +119,25 @@ void unicode_input_finish(void) {
     break;
   }
 
-  set_mods(saved_mods); // Reregister previously set mods
+  set_mods(unicode_saved_mods); // Reregister previously set mods
+}
+
+__attribute__((weak))
+void unicode_input_cancel(void) {
+  switch (unicode_config.input_mode) {
+  case UC_OSX:
+    unregister_code(UNICODE_KEY_OSX);
+    break;
+  case UC_LNX:
+  case UC_WINC:
+    tap_code(KC_ESC);
+    break;
+  case UC_WIN:
+    unregister_code(KC_LALT);
+    break;
+  }
+
+  set_mods(unicode_saved_mods); // Reregister previously set mods
 }
 
 __attribute__((weak))
-- 
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