feat: hold toolbar arrow keys to auto-repeat

Author: LeanBitLab

app/src/main/java/helium314/keyboard/keyboard/clipboard/ClipboardHistoryView.kt

@@ -34,6 +34,8 @@ import helium314.keyboard.latin.settings.Settings
 import helium314.keyboard.latin.utils.ResourceUtils
 import helium314.keyboard.latin.utils.ToolbarKey
 import helium314.keyboard.latin.utils.createToolbarKey
+import helium314.keyboard.latin.utils.isRepeatableToolbarKey
+import helium314.keyboard.latin.utils.RepeatableKeyTouchListener
 import helium314.keyboard.latin.utils.getCodeForToolbarKey
 import helium314.keyboard.latin.utils.getCodeForToolbarKeyLongClick
 import helium314.keyboard.latin.utils.getEnabledClipboardToolbarKeys
@@ -196,8 +198,21 @@ class ClipboardHistoryView @JvmOverloads constructor(
         val clipboardStrip = KeyboardSwitcher.getInstance().clipboardStrip
         toolbarKeys.forEach {
             clipboardStrip.addView(it)
-            it.setOnClickListener(this@ClipboardHistoryView)
-            it.setOnLongClickListener(this@ClipboardHistoryView)
+            val tag = it.tag
+            if (tag is ToolbarKey && isRepeatableToolbarKey(tag)) {
+                it.setOnTouchListener(RepeatableKeyTouchListener { repeatCount ->
+                    if (repeatCount == 0 || repeatCount % 4 == 0) {
+                        AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(KeyCode.NOT_SPECIFIED, it, HapticEvent.KEY_PRESS)
+                    }
+                    val code = getCodeForToolbarKey(tag)
+                    if (code != KeyCode.UNSPECIFIED) {
+                        keyboardActionListener.onCodeInput(code, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE, repeatCount > 0)
+                    }
+                })
+            } else {
+                it.setOnClickListener(this@ClipboardHistoryView)
+                it.setOnLongClickListener(this@ClipboardHistoryView)
+            }
             colors.setColor(it, ColorType.TOOL_BAR_KEY)
             it.setBackgroundResource(R.drawable.toolbar_key_background)
             colors.setColor(it.background, ColorType.TOOL_BAR_EXPAND_KEY_BACKGROUND)

app/src/main/java/helium314/keyboard/latin/suggestions/SuggestionStripView.kt

@@ -51,6 +51,8 @@ import helium314.keyboard.latin.utils.ToolbarKey
 import helium314.keyboard.latin.utils.ToolbarMode
 import helium314.keyboard.latin.utils.addPinnedKey
 import helium314.keyboard.latin.utils.createToolbarKey
+import helium314.keyboard.latin.utils.isRepeatableToolbarKey
+import helium314.keyboard.latin.utils.RepeatableKeyTouchListener
 import helium314.keyboard.latin.utils.dpToPx
 import helium314.keyboard.latin.utils.getCodeForToolbarKey
 import helium314.keyboard.latin.utils.getCodeForToolbarKeyLongClick
@@ -866,8 +868,21 @@ class SuggestionStripView(context: Context, attrs: AttributeSet?, defStyle: Int)
     }
 
     private fun setupKey(view: ImageButton, colors: Colors) {
-        view.setOnClickListener(this)
-        view.setOnLongClickListener(this)
+        val tag = view.tag
+        if (tag is ToolbarKey && isRepeatableToolbarKey(tag)) {
+            view.setOnTouchListener(RepeatableKeyTouchListener { repeatCount ->
+                if (repeatCount == 0 || repeatCount % 4 == 0) {
+                    AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(KeyCode.NOT_SPECIFIED, view, HapticEvent.KEY_PRESS)
+                }
+                val code = getCodeForToolbarKey(tag)
+                if (code != KeyCode.UNSPECIFIED) {
+                    listener.onCodeInput(code, Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE, repeatCount > 0)
+                }
+            })
+        } else {
+            view.setOnClickListener(this)
+            view.setOnLongClickListener(this)
+        }
         colors.setColor(view, ColorType.TOOL_BAR_KEY)
         // Set circular background for toolbar keys
         view.setBackgroundResource(R.drawable.toolbar_key_background)

app/src/main/java/helium314/keyboard/latin/utils/ToolbarUtils.kt

@@ -7,6 +7,11 @@ import android.view.ViewGroup
 import android.widget.ImageButton
 import android.widget.ImageView
 import androidx.core.content.edit
+import android.view.View
+import android.view.MotionEvent
+import android.os.Handler
+import android.os.Looper
+import android.annotation.SuppressLint
 import androidx.core.view.forEach
 import helium314.keyboard.keyboard.internal.KeyboardIconsSet
 import helium314.keyboard.keyboard.internal.keyboard_parser.floris.KeyCode
@@ -409,3 +414,54 @@ fun clearCustomToolbarKeyCodes() {
 }
 
 private var customToolbarKeyCodes: EnumMap<ToolbarKey, Pair<Int?, Int?>>? = null
+
+fun isRepeatableToolbarKey(key: ToolbarKey): Boolean {
+    return when (key) {
+        LEFT, RIGHT, UP, DOWN,
+        WORD_LEFT, WORD_RIGHT,
+        PAGE_UP, PAGE_DOWN -> true
+        else -> false
+    }
+}
+
+class RepeatableKeyTouchListener(
+    private val onClick: (repeatCount: Int) -> Unit
+) : View.OnTouchListener {
+    private val handler = Handler(Looper.getMainLooper())
+    private var repeatCount = 0
+    private val runnable = object : Runnable {
+        override fun run() {
+            repeatCount++
+            onClick(repeatCount)
+            handler.postDelayed(this, 50L)
+        }
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    override fun onTouch(v: View, event: MotionEvent): Boolean {
+        when (event.action) {
+            MotionEvent.ACTION_DOWN -> {
+                repeatCount = 0
+                onClick(0)
+                handler.postDelayed(runnable, 400L)
+                v.isPressed = true
+                return true
+            }
+            MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> {
+                handler.removeCallbacks(runnable)
+                v.isPressed = false
+                return true
+            }
+            MotionEvent.ACTION_MOVE -> {
+                val x = event.x
+                val y = event.y
+                if (x < 0 || x > v.width || y < 0 || y > v.height) {
+                    handler.removeCallbacks(runnable)
+                    v.isPressed = false
+                }
+                return true
+            }
+        }
+        return false
+    }
+}