Fast progress

.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

.idea/misc.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">

app/src/main/java/net/mezimmah/wkt9/WKT9.kt

@@ -96,6 +96,8 @@ class WKT9: InputMethodService() {
 
         inputMode = null
         cursorPosition = 0
+
+        clearCandidates()
     }
 
     override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
@@ -209,10 +211,8 @@ class WKT9: InputMethodService() {
         return currentInputConnection?.setComposingText(text, cursorPosition) ?: false
     }
 
-    private fun deleteText(beforeCursor: Int, afterCursor: Int): Boolean {
+    private fun deleteText(beforeCursor: Int, afterCursor: Int) {
-        val cursorPosition = currentInputEditorInfo?.initialSelEnd ?: 0
+        currentInputConnection?.deleteSurroundingText(beforeCursor, afterCursor)
-
-        return commitText("", cursorPosition - beforeCursor, cursorPosition + afterCursor, 1)
     }
 
     // Todo: inputType
@@ -238,6 +238,8 @@ class WKT9: InputMethodService() {
         if (res.startComposing) markComposingRegion()
         if (!res.codeWord.isNullOrEmpty()) onCodeWordUpdate(res.codeWord)
         if (!res.candidates.isNullOrEmpty()) onCandidates(res.candidates)
+        if (res.deleteBeforeCursor > 0 || res.deleteAfterCursor > 0) onDelete(res.deleteBeforeCursor, res.deleteAfterCursor)
+        if (res.left) onLeft()
         if (res.right) onRight()
 
         return res.consumed
@@ -292,10 +294,33 @@ class WKT9: InputMethodService() {
         }
     }
 
+    private fun onDelete(beforeCursor: Int, afterCursor: Int) {
+        clearCandidates()
+        deleteText(beforeCursor, afterCursor)
+    }
+
+    private fun onLeft() {
+        if (candidates.isEmpty()) return
+
+        candidateIndex--
+
+        if (candidateIndex < 0) candidateIndex = candidates.count() - 1
+
+        clearCandidateUI()
+        loadCandidates(candidateIndex)
+        composeText(candidates[candidateIndex])
+    }
+
     private fun onRight() {
         if (candidates.isEmpty()) return
 
-        Log.d(tag, "Let's have some fun!!")
+        candidateIndex++
+
+        if (candidateIndex >= candidates.count()) candidateIndex = 0
+
+        clearCandidateUI()
+        loadCandidates(candidateIndex)
+        composeText(candidates[candidateIndex])
     }
 
     private suspend fun queryT9Candidates(codeWord: StringBuilder, limit: Int = 10): Boolean {

app/src/main/java/net/mezimmah/wkt9/inputmode/WordInputMode.kt

@@ -6,6 +6,7 @@ import net.mezimmah.wkt9.keypad.Key
 import net.mezimmah.wkt9.keypad.KeyCommandResolver
 import net.mezimmah.wkt9.keypad.KeyEventResult
 import java.lang.StringBuilder
+import java.lang.annotation.Native
 
 class WordInputMode: InputMode {
     private val tag = "WKT9"
@@ -21,8 +22,10 @@ class WordInputMode: InputMode {
         return when(keyCommandResolver.getCommand(key)) {
             Command.CHARACTER -> buildCodeWord(key)
 //            Command.SELECT -> true
-//            Command.DELETE -> delete()
+            Command.DELETE -> deleteCharacter()
             Command.SPACE -> finalizeWordOrSentence()
+            Command.LEFT -> navigateLeft()
+            Command.RIGHT -> navigateRight()
 //            Command.CYCLE_CANDIDATES -> cycleCandidates()
             else -> KeyEventResult()
         }
@@ -35,9 +38,10 @@ class WordInputMode: InputMode {
     }
 
     override fun onKeyDownRepeatedly(key: Key, repeat: Int): KeyEventResult {
-//        Log.d(tag, "onKeyDownRepeatedly")
+        return when(keyCommandResolver.getCommand(key, repeat =  repeat)) {
-
+            Command.DELETE -> deleteCharacter(repeat)
-        return KeyEventResult()
+            else -> KeyEventResult()
+        }
     }
 
     override fun afterKeyDown(key: Key): KeyEventResult {
@@ -64,8 +68,19 @@ class WordInputMode: InputMode {
         )
     }
 
+    private fun deleteCharacter(repeat: Int = 0): KeyEventResult {
+        if (repeat % 2 != 0) return KeyEventResult()
+
+        codeWord.clear()
+
+        return KeyEventResult(
+            finishComposing = true,
+            deleteBeforeCursor = 1
+        )
+    }
+
     private fun finalizeWordOrSentence(): KeyEventResult {
-        if (!newKey) return KeyEventResult(right = true)
+        if (!newKey) return navigateRight()
 
         val finishComposing = codeWord.isNotEmpty()
 
@@ -92,4 +107,12 @@ class WordInputMode: InputMode {
 
         lastKey = key
     }
+
+    private fun navigateLeft(): KeyEventResult {
+        return KeyEventResult(left = true)
+    }
+
+    private fun navigateRight(): KeyEventResult {
+        return KeyEventResult(right = true)
+    }
 }

app/src/main/java/net/mezimmah/wkt9/keypad/Command.kt

@@ -11,6 +11,8 @@ enum class Command {
     SHIFT_MODE,
     SWITCH_MODE,
     NAVIGATE,
+    RIGHT,
+    LEFT,
     RECORD,
     TRANSCRIBE
 }

app/src/main/java/net/mezimmah/wkt9/keypad/KeyCommandResolver.kt

@@ -39,12 +39,12 @@ class KeyCommandResolver (
                     Key.N8 to Command.CHARACTER,
                     Key.N9 to Command.CHARACTER,
 
-                    Key.LEFT to Command.NAVIGATE,
+                    Key.LEFT to Command.LEFT,
-                    Key.RIGHT to Command.NAVIGATE,
+                    Key.RIGHT to Command.RIGHT,
                     Key.UP to Command.NAVIGATE,
                     Key.DOWN to Command.NAVIGATE,
 
-                    Key.STAR to Command.CYCLE_CANDIDATES,
+                    Key.STAR to Command.DELETE,
                     Key.DELETE to Command.DELETE,
                     Key.SELECT to Command.SELECT
                 )),
@@ -70,12 +70,11 @@ class KeyCommandResolver (
                 )),
 
                 afterLong = HashMap(mapOf(
-                    Key.DELETE to Command.DELETE,
                     Key.SELECT to Command.TRANSCRIBE,
                 )),
 
                 onRepeat = HashMap(mapOf(
-                    Key.DELETE to Command.DELETE,
+                    Key.STAR to Command.DELETE,
                 ))
             )
         }

app/src/main/java/net/mezimmah/wkt9/keypad/KeyEventResult.kt

@@ -8,5 +8,8 @@ data class KeyEventResult(
     val startComposing: Boolean = false,
     val codeWord: StringBuilder? = null,
     val candidates: List<String>? = null,
+    val deleteBeforeCursor: Int = 0,
+    val deleteAfterCursor: Int = 0,
+    val left: Boolean = false,
     val right: Boolean = false
 )

app/src/main/res/layout/current_suggestion.xml

@@ -1,12 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <TextView
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/current_suggestion"
+    android:id="@+id/suggestion"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:layout_marginRight="2dp"
     android:padding="8dp"
     android:background="@drawable/suggestion_current_border"
     android:textFontWeight="600"
-    android:textSize="20dp"
+    android:textSize="20sp"
+    android:minWidth="40dp"
+    android:textAlignment="center"
     android:textColor="@color/current_suggestion" />