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115 lines
3.6 KiB
115 lines
3.6 KiB
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>.
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*/
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package com.keylesspalace.tusky.util
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import android.text.Editable
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import android.text.TextWatcher
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import android.view.View
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import android.widget.EditText
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import android.util.TypedValue
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import android.content.res.Resources
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import android.view.TouchDelegate
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import android.view.MotionEvent
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import android.graphics.Rect
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/*import java.util.List
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import java.util.ArrayList*/
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fun View.show() {
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this.visibility = View.VISIBLE
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}
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fun View.hide() {
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this.visibility = View.GONE
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}
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fun View.visible(visible: Boolean, or: Int = View.GONE) {
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this.visibility = if (visible) View.VISIBLE else or
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}
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class MultipleTouchDelegate : TouchDelegate {
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var delegates = mutableListOf<TouchDelegate>()
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constructor(v: View) : super(Rect(), v)
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public fun addDelegate(delegate: TouchDelegate) {
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delegates.add(delegate)
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}
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override fun onTouchEvent(event: MotionEvent) : Boolean {
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var ret = false
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val x = event.x
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val y = event.y
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for(delegate in delegates) {
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event.setLocation(x, y)
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ret = delegate.onTouchEvent(event) || ret
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}
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return ret
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}
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}
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fun View.increaseHitArea(vdp: Float, hdp: Float) {
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val parent = this.parent as View
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val vpixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, vdp, Resources.getSystem().displayMetrics).toInt()
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val hpixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, hdp, Resources.getSystem().displayMetrics).toInt()
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parent.post {
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val rect = Rect()
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this.getHitRect(rect)
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rect.top -= vpixels
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rect.left -= hpixels
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rect.bottom += vpixels
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rect.right += hpixels
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if(parent.touchDelegate != null && parent.touchDelegate is MultipleTouchDelegate) {
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(parent.touchDelegate as MultipleTouchDelegate).addDelegate(TouchDelegate(rect, this))
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} else {
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val mtd = MultipleTouchDelegate(this)
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mtd.addDelegate(TouchDelegate(rect, this))
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parent.touchDelegate = mtd
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}
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}
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}
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open class DefaultTextWatcher : TextWatcher {
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override fun afterTextChanged(s: Editable) {
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}
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override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
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}
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override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
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}
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}
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inline fun EditText.onTextChanged(
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crossinline callback: (s: CharSequence, start: Int, before: Int, count: Int) -> Unit) {
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addTextChangedListener(object : DefaultTextWatcher() {
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override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
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callback(s, start, before, count)
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}
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})
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}
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inline fun EditText.afterTextChanged(
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crossinline callback: (s: Editable) -> Unit) {
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addTextChangedListener(object : DefaultTextWatcher() {
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override fun afterTextChanged(s: Editable) {
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callback(s)
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}
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})
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}
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