From 233895d857a424d5af64526f98e8575105e4e750 Mon Sep 17 00:00:00 2001
From: minjaesong <alswo9628@gmail.com>
Date: Sat, 23 Oct 2021 16:59:59 +0900
Subject: [PATCH] same thing for 2set

---
 assets/keylayout/ko_kr_2set_ksx5002.ime | 33 ++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/assets/keylayout/ko_kr_2set_ksx5002.ime b/assets/keylayout/ko_kr_2set_ksx5002.ime
index b678ab980..536147843 100644
--- a/assets/keylayout/ko_kr_2set_ksx5002.ime
+++ b/assets/keylayout/ko_kr_2set_ksx5002.ime
@@ -30,7 +30,7 @@ let states = {"keylayouts":[[""],[undefined],
 ["\u3160"],
 ["\u314A"],
 ["\u3147"],
-["\u3137"],
+["\u3137","\u3138"],
 ["\u3139"],
 ["\u314E"],
 ["\u3157"],
@@ -281,6 +281,7 @@ let jongseongDigraphsN = {"\u3148":"\u3135", "\u314E":"\u3136"}
 let jongseongDigraphsR = {"\u3131":"\u313A", "\u3141":"\u313B", "\u3142":"\u313C", "\u3145":"\u313D", "\u314C":"\u313E", "\u314D":"\u313F", "\u314E":"\u3140"}
 let jongseongDigraphsB = {"\u3145":"\u3144"}
 let isThisCharJongseongDigraph = (s) => (s === undefined) ? false : ([0x3133, 0x3135, 0x3136, 0x313A, 0x313B, 0x313C, 0x313D, 0x313E, 0x313F, 0x3140, 0x3144].includes(s.charCodeAt(0)))
+let isThisCharJungseongDigraph = (s) => (s === undefined) ? false : ([0x3158, 0x3159, 0x315A, 0x315D, 0x315E, 0x315F, 0x3162].includes(s.charCodeAt(0)))
 let choseongTable = {"\u3131":0,"\u3132":1,"\u3134":2,"\u3137":3,"\u3138":4,"\u3139":5,"\u3141":6,"\u3142":7,"\u3143":8,"\u3145":9,"\u3146":10,"\u3147":11,"\u3148":12,"\u3149":13,"\u314A":14,"\u314B":15,"\u314C":16,"\u314D":17,"\u314E":18}
 let jongseongTable = {"\u3131":0,"\u3132":1,"\u3133":2,"\u3134":3,"\u3135":4,"\u3136":5,"\u3137":6,"\u3139":7,"\u313A":8,"\u313B":9,"\u313C":10,"\u313D":11,"\u313E":12,"\u313F":13,"\u3140":14,"\u3141":15,"\u3142":16,"\u3144":17,"\u3145":18,"\u3146":19,"\u3147":20,"\u3148":21,"\u314A":22,"\u314B":23,"\u314C":24,"\u314D":25,"\u314E":26}
 let detachJongseongDigraph = {
@@ -296,6 +297,15 @@ let detachJongseongDigraph = {
 "\u3140":["\u3139","\u314E"],
 "\u3144":["\u3142","\u3145"]
 }
+let detachJungseongDigraph = {
+"\u3158":["\u3157","\u314F"],
+"\u3159":["\u3157","\u3150"],
+"\u315A":["\u3157","\u314E"],
+"\u315D":["\u315C","\u3153"],
+"\u315E":["\u315C","\u3154"],
+"\u315F":["\u315C","\u3163"],
+"\u3162":["\u3161","\u3163"]
+}
 let bufAssemble = (isPreview) => {
     // nothing on the buffer
     if (states.buf[0] === undefined && states.buf[1] === undefined && states.buf[2] === undefined)
@@ -415,6 +425,27 @@ return Object.freeze({"n":"두벌식 표준","states":states,
         return [bufAssemble(1), sendout]
     }
 },
+"backspace":()=>{
+    // disassemble jung/jongseong digraphs
+//    let oldbufstr = bufDebugStringify(states.buf)
+    let last = states.buf.pop()
+
+    if (last !== undefined) {
+        // detach jongseong
+        if (isThisCharJongseongDigraph(last))
+            states.buf[2] = detachJongseongDigraph[last][0]
+        // detach jungseong
+        else if (isThisCharJungseongDigraph(last))
+            states.buf[1] = detachJungseongDigraph[last][0]
+    }
+
+    if (states.buf.length == 0) reset()
+
+//    let newbufstr = bufDebugStringify(states.buf)
+//    console.log(`popping assembly: ${oldbufstr} -> ${newbufstr}`)
+
+    return bufAssemble(1)
+},
 "end":()=>{
 //    console.log(`end composing`)
     let ret = bufAssemble()