highlight the currently selected character after long pressing a key

This commit is contained in:
tibbi 2022-01-14 23:30:07 +01:00
parent 916a64774c
commit e999e4900b
2 changed files with 31 additions and 8 deletions

View file

@ -322,11 +322,6 @@ class MyKeyboard {
edgeFlags = parent.rowEdgeFlags
}
/** Informs the key that it has been pressed, in case it needs to change its appearance or state. */
fun onPressed() {
pressed = !pressed
}
fun parseCSV(value: String): ArrayList<Int> {
var count = 0
var lastIndex = 0

View file

@ -127,6 +127,7 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
private var mMiniKeyboardOffsetY = 0
private val mMiniKeyboardCache: MutableMap<MyKeyboard.Key, View?>
private var mKeys = ArrayList<MyKeyboard.Key>()
private var mMiniKeyboardSelectedKeyIndex = -1
/**
* Returns the [OnKeyboardActionListener] object.
* @return the listener attached to this keyboard
@ -569,6 +570,12 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
keyBackground.setBounds(0, 0, key.width, key.height)
}
keyBackground.state = if (key.pressed) {
intArrayOf(android.R.attr.state_pressed)
} else {
intArrayOf()
}
canvas.translate((key.x + kbdPaddingLeft).toFloat(), (key.y + kbdPaddingTop).toFloat())
keyBackground.draw(canvas)
if (label?.isNotEmpty() == true) {
@ -748,7 +755,6 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
if (mCurrentKeyIndex != NOT_A_KEY && keys.size > mCurrentKeyIndex) {
val newKey = keys[mCurrentKeyIndex]
newKey.onPressed()
invalidateKey(mCurrentKeyIndex)
val keyCode = newKey.codes[0]
sendAccessibilityEventForUnicodeCharacter(AccessibilityEvent.TYPE_VIEW_HOVER_ENTER, keyCode)
@ -938,7 +944,7 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
}
val popupKey = mKeys[mCurrentKey]
val result = onLongPress(popupKey)
val result = onLongPress(popupKey, me)
if (result) {
mAbortKey = true
showPreview(NOT_A_KEY)
@ -954,7 +960,7 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
* @return true if the long press is handled, false otherwise. Subclasses should call the
* method on the base class if the subclass doesn't wish to handle the call.
*/
protected fun onLongPress(popupKey: MyKeyboard.Key): Boolean {
protected fun onLongPress(popupKey: MyKeyboard.Key, me: MotionEvent): Boolean {
val popupKeyboardId = popupKey.popupResId
if (popupKeyboardId != 0) {
mMiniKeyboardContainer = mMiniKeyboardCache[popupKey]
@ -1017,6 +1023,20 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
val xOffset = Math.max(0, x)
mMiniKeyboard!!.setPopupOffset(xOffset, y)
// make sure we highlight the proper key right after long pressing it, before any ACTION_MOVE event occurs
val miniKeyboardX = if (xOffset + mMiniKeyboard!!.measuredWidth <= measuredWidth) {
xOffset
} else {
measuredWidth - mMiniKeyboard!!.measuredWidth
}
var selectedKeyIndex = Math.floor((me.x - miniKeyboardX) / popupKey.width.toDouble()).toInt()
selectedKeyIndex = Math.max(0, Math.min(selectedKeyIndex, mMiniKeyboard!!.mKeys.size - 1))
for (i in 0 until mMiniKeyboard!!.mKeys.size) {
mMiniKeyboard!!.mKeys[i].pressed = i == selectedKeyIndex
}
mMiniKeyboardSelectedKeyIndex = selectedKeyIndex
mMiniKeyboard!!.invalidateAllKeys()
val miniShiftStatus = if (isShifted()) SHIFT_ON_PERMANENT else SHIFT_OFF
mMiniKeyboard!!.setShifted(miniShiftStatus)
mPopupKeyboard.contentView = mMiniKeyboardContainer
@ -1089,6 +1109,13 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
val widthPerKey = mMiniKeyboard!!.width / mMiniKeyboard!!.mKeys.size
var selectedKeyIndex = Math.floor((me.x - coords[0]) / widthPerKey.toDouble()).toInt()
selectedKeyIndex = Math.max(0, Math.min(selectedKeyIndex, mMiniKeyboard!!.mKeys.size - 1))
if (selectedKeyIndex != mMiniKeyboardSelectedKeyIndex) {
for (i in 0 until mMiniKeyboard!!.mKeys.size) {
mMiniKeyboard!!.mKeys[i].pressed = i == selectedKeyIndex
}
mMiniKeyboardSelectedKeyIndex = selectedKeyIndex
mMiniKeyboard!!.invalidateAllKeys()
}
if (coords[0] - me.x > mPopupMaxMoveDistance || // left
me.x - (coords[0] + mMiniKeyboard!!.width) > mPopupMaxMoveDistance || // right
@ -1109,6 +1136,7 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
val selectedKeyCodes = keys[selectedKeyIndex].codes
onKeyboardActionListener!!.onKey(selectedKeyCodes[0], selectedKeyCodes.toIntArray())
}
mMiniKeyboardSelectedKeyIndex = -1
dismissPopupKeyboard()
}
}