Remember selecting emoji suggestions, improve emoji alias picking

java/src/org/futo/inputmethod/latin/LatinIME.kt

@@ -45,6 +45,7 @@ import org.futo.inputmethod.latin.common.Constants
 import org.futo.inputmethod.latin.uix.BasicThemeProvider
 import org.futo.inputmethod.latin.uix.DynamicThemeProvider
 import org.futo.inputmethod.latin.uix.DynamicThemeProviderOwner
+import org.futo.inputmethod.latin.uix.EmojiTracker.useEmoji
 import org.futo.inputmethod.latin.uix.SUGGESTION_BLACKLIST
 import org.futo.inputmethod.latin.uix.THEME_KEY
 import org.futo.inputmethod.latin.uix.UixManager
@@ -537,4 +538,12 @@ class LatinIME : InputMethodService(), LifecycleOwner, ViewModelStoreOwner, Save
 
         refreshSuggestions()
     }
+
+    fun rememberEmojiSuggestion(suggestion: SuggestedWordInfo) {
+        if(suggestion.mKindAndFlags == SuggestedWordInfo.KIND_EMOJI_SUGGESTION) {
+            lifecycleScope.launch {
+                useEmoji(suggestion.mWord)
+            }
+        }
+    }
 }

java/src/org/futo/inputmethod/latin/LatinIMELegacy.java

@@ -1661,6 +1661,10 @@ public class LatinIMELegacy implements KeyboardActionListener,
                 mKeyboardSwitcher.getCurrentKeyboardScriptId(),
                 mHandler);
         updateStateAfterInputTransaction(completeInputTransaction);
+
+        if(suggestionInfo.isKindOf(SuggestedWordInfo.KIND_EMOJI_SUGGESTION)) {
+            ((LatinIME)mInputMethodService).rememberEmojiSuggestion(suggestionInfo);
+        }
     }
 
     @Override

java/src/org/futo/inputmethod/latin/uix/ActionBar.kt

@@ -68,6 +68,7 @@ import androidx.compose.ui.unit.sp
 import org.futo.inputmethod.latin.R
 import org.futo.inputmethod.latin.SuggestedWords
 import org.futo.inputmethod.latin.SuggestedWords.SuggestedWordInfo
+import org.futo.inputmethod.latin.SuggestedWords.SuggestedWordInfo.KIND_EMOJI_SUGGESTION
 import org.futo.inputmethod.latin.SuggestedWords.SuggestedWordInfo.KIND_TYPED
 import org.futo.inputmethod.latin.suggestions.SuggestionStripView
 import org.futo.inputmethod.latin.uix.actions.ClipboardAction
@@ -306,7 +307,7 @@ fun RowScope.SuggestionItems(words: SuggestedWords, onClick: (i: Int) -> Unit, o
     try {
         for(i in 0 until words.size()) {
             val info = words.getInfo(i)
-            if(info.mKindAndFlags == SuggestedWordInfo.KIND_EMOJI_SUGGESTION) {
+            if(info.mKindAndFlags == KIND_EMOJI_SUGGESTION && i > 2) {
                 suggestionOrder[0] = i
             }
         }

java/src/org/futo/inputmethod/latin/uix/EmojiTracker.kt

@@ -18,7 +18,7 @@ object EmojiTracker {
     suspend fun Context.useEmoji(emoji: String) {
         dataStore.edit {
             val combined = emoji + "<|>" + (it[lastUsedEmoji] ?: "")
-            it[lastUsedEmoji] = combined.split("<|>").take(512).joinToString("<|>")
+            it[lastUsedEmoji] = combined.split("<|>").take(128).joinToString("<|>")
         }
     }
 

java/src/org/futo/inputmethod/latin/uix/actions/EmojiAction.kt

@@ -463,12 +463,25 @@ class PersistentEmojiState : PersistentActionState {
             }
 
             emojiAliases = HashMap<String, EmojiItem>().apply {
+                // Add absolute alias matches first (e.g. "joy") and only later put first-word tag/alias matches (e.g. "joy_cat")
                 emojis.value!!.forEach { emoji ->
-                    emoji.tags.forEach { put(it.split("_").first(), emoji) }
+                    emoji.aliases.forEach {
-                    emoji.aliases.forEach { put(it.split("_").first(), emoji) }
+                        val x = it
+                        if (!containsKey(x)) {
+                            put(x, emoji)
+                        }
+                    }
+                }
+
+                emojis.value!!.forEach { emoji ->
+                    (emoji.tags + emoji.aliases).forEach {
+                        val x = it.split("_").first()
+                        if (!containsKey(x)) {
+                            put(x, emoji)
+                        }
+                    }
                 }
             }
-
         }
     }