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@ -3,14 +3,13 @@ package io.legado.app.ui.book.read.page |
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import android.content.Context |
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import android.graphics.Canvas |
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import android.graphics.Paint |
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import android.text.Layout |
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import android.text.StaticLayout |
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import android.util.AttributeSet |
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import android.view.View |
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import io.legado.app.R |
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import io.legado.app.constant.PreferKey |
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import io.legado.app.help.ReadBookConfig |
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import io.legado.app.lib.theme.accentColor |
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import io.legado.app.ui.book.read.page.entities.TextChar |
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import io.legado.app.ui.book.read.page.entities.TextPage |
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import io.legado.app.utils.activity |
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import io.legado.app.utils.getCompatColor |
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@ -18,6 +17,8 @@ import io.legado.app.utils.getPrefBoolean |
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class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, attrs) { |
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var selectAble = context.getPrefBoolean(PreferKey.textSelectAble) |
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var upView: ((TextPage) -> Unit)? = null |
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private val selectedPaint by lazy { |
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Paint().apply { |
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color = context.getCompatColor(R.color.btn_bg_press_2) |
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@ -25,7 +26,6 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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} |
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} |
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private var callBack: CallBack |
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var selectAble = context.getPrefBoolean(PreferKey.textSelectAble) |
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private var selectLineStart = 0 |
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private var selectCharStart = 0 |
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private var selectLineEnd = 0 |
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@ -36,7 +36,6 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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private val maxScrollOffset = 100f |
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private var pageOffset = 0f |
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private var linePos = 0 |
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private var isLastPage = false |
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init { |
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callBack = activity as CallBack |
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@ -51,70 +50,105 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) { |
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super.onSizeChanged(w, h, oldw, oldh) |
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ReadBookConfig.durConfig.let { |
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ChapterProvider.viewWidth = w |
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ChapterProvider.viewHeight = h |
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ChapterProvider.upSize(ReadBookConfig.durConfig) |
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} |
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ChapterProvider.viewWidth = w |
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ChapterProvider.viewHeight = h |
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ChapterProvider.upSize() |
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textPage.format() |
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} |
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override fun onDraw(canvas: Canvas) { |
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super.onDraw(canvas) |
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if (textPage.textLines.isEmpty()) { |
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drawMsg(canvas, textPage.text) |
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if (ReadBookConfig.isScroll) { |
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drawScrollPage(canvas) |
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} else { |
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drawHorizontalPage(canvas) |
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} |
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} |
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@Suppress("DEPRECATION") |
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private fun drawMsg(canvas: Canvas, msg: String) { |
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val layout = StaticLayout( |
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msg, ChapterProvider.contentPaint, width, |
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Layout.Alignment.ALIGN_NORMAL, 1f, 0f, false |
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) |
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val y = (height - layout.height) / 2f |
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for (lineIndex in 0 until layout.lineCount) { |
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val x = (width - layout.getLineMax(lineIndex)) / 2 |
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val words = |
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msg.substring(layout.getLineStart(lineIndex), layout.getLineEnd(lineIndex)) |
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canvas.drawText(words, x, y, ChapterProvider.contentPaint) |
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private fun drawHorizontalPage(canvas: Canvas) { |
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textPage.textLines.forEach { textLine -> |
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drawChars( |
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canvas, |
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textLine.textChars, |
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textLine.lineTop, |
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textLine.lineBase, |
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textLine.lineBottom, |
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textLine.isTitle, |
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textLine.isReadAloud |
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) |
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} |
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} |
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private fun drawHorizontalPage(canvas: Canvas) { |
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private fun drawScrollPage(canvas: Canvas) { |
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val mPageOffset = pageOffset |
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textPage.textLines.forEach { textLine -> |
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val textPaint = if (textLine.isTitle) { |
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ChapterProvider.titlePaint |
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} else { |
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ChapterProvider.contentPaint |
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} |
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textPaint.color = if (textLine.isReadAloud) { |
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context.accentColor |
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} else { |
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ReadBookConfig.durConfig.textColor() |
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} |
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textLine.textChars.forEach { |
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canvas.drawText( |
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it.charData, |
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it.leftBottomPosition.x, |
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it.leftBottomPosition.y, |
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textPaint |
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) |
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if (it.selected) { |
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canvas.drawRect( |
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it.leftBottomPosition.x, |
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textLine.lineTop, |
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it.rightTopPosition.x, |
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textLine.lineBottom, |
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selectedPaint |
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) |
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} |
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val lineTop = textLine.lineTop + mPageOffset |
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val lineBase = textLine.lineBase + mPageOffset |
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val lineBottom = textLine.lineBottom + mPageOffset |
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drawChars( |
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canvas, |
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textLine.textChars, |
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lineTop, |
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lineBase, |
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lineBottom, |
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textLine.isTitle, |
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textLine.isReadAloud |
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) |
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} |
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pageFactory.nextPage?.textLines?.forEach { textLine -> |
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val yPy = mPageOffset + textPage.height - ChapterProvider.paddingTop |
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val lineTop = textLine.lineTop + yPy |
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val lineBase = textLine.lineBase + yPy |
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val lineBottom = textLine.lineBottom + yPy |
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drawChars( |
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canvas, |
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textLine.textChars, |
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lineTop, |
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lineBase, |
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lineBottom, |
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textLine.isTitle, |
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textLine.isReadAloud |
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) |
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} |
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pageFactory.prevPage?.textLines?.forEach { textLine -> |
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val yPy = mPageOffset + ChapterProvider.paddingTop |
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val lineTop = -textLine.lineTop + yPy |
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val lineBase = -textLine.lineBase + yPy |
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val lineBottom = -textLine.lineBottom + yPy |
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drawChars( |
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canvas, |
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textLine.textChars, |
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lineTop, |
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lineBase, |
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lineBottom, |
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textLine.isTitle, |
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textLine.isReadAloud |
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) |
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} |
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} |
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private fun drawChars( |
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canvas: Canvas, |
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textChars: List<TextChar>, |
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lineTop: Float, |
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lineBase: Float, |
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lineBottom: Float, |
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isTitle: Boolean, |
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isReadAloud: Boolean |
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) { |
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val textPaint = if (isTitle) ChapterProvider.titlePaint else ChapterProvider.contentPaint |
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textPaint.color = |
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if (isReadAloud) context.accentColor else ReadBookConfig.durConfig.textColor() |
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textChars.forEach { |
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canvas.drawText(it.charData, it.start, lineBase, textPaint) |
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if (it.selected) { |
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canvas.drawRect(it.start, lineTop, it.end, lineBottom, selectedPaint) |
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} |
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} |
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} |
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fun onScroll(mOffset: Float) { |
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if (mOffset == 0f) return |
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var offset = mOffset |
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if (offset > maxScrollOffset) { |
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offset = maxScrollOffset |
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@ -122,78 +156,56 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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offset = -maxScrollOffset |
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} |
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if (!isLastPage || offset < 0) { |
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pageOffset += offset |
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isLastPage = false |
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} |
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// 首页 |
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if (pageOffset < 0 && !pageFactory.hasPrev()) { |
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pageOffset = 0f |
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} |
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val cHeight = if (textPage.height > 0) textPage.height else height |
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if (offset > 0 && pageOffset > cHeight) { |
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pageOffset += offset |
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if (pageOffset > 0) { |
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pageFactory.moveToPrev() |
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textPage = pageFactory.currentPage ?: TextPage().format() |
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pageOffset -= textPage.height |
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upView?.invoke(textPage) |
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} else if (pageOffset < -textPage.height) { |
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pageOffset += textPage.height |
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pageFactory.moveToNext() |
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textPage = pageFactory.currentPage ?: TextPage().format() |
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upView?.invoke(textPage) |
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} |
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invalidate() |
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} |
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fun resetPageOffset() { |
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pageOffset = 0f |
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linePos = 0 |
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isLastPage = false |
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} |
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private fun switchToPageOffset(offset: Int) { |
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when (offset) { |
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1 -> { |
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} |
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-1 -> { |
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} |
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} |
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} |
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fun selectText(x: Float, y: Float): Boolean { |
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fun selectText(x: Float, y: Float, select: (lineIndex: Int, charIndex: Int) -> Unit) { |
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for ((lineIndex, textLine) in textPage.textLines.withIndex()) { |
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if (y > textLine.lineTop && y < textLine.lineBottom) { |
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for ((charIndex, textChar) in textLine.textChars.withIndex()) { |
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if (x > textChar.leftBottomPosition.x && x < textChar.rightTopPosition.x) { |
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if (x > textChar.start && x < textChar.end) { |
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textChar.selected = true |
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invalidate() |
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selectLineStart = lineIndex |
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selectCharStart = charIndex |
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selectLineEnd = lineIndex |
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selectCharEnd = charIndex |
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upSelectedStart( |
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textChar.leftBottomPosition.x, |
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textChar.leftBottomPosition.y |
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) |
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upSelectedEnd( |
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textChar.rightTopPosition.x, |
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textChar.leftBottomPosition.y |
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) |
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return true |
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upSelectedStart(textChar.start, textLine.lineBottom) |
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upSelectedEnd(textChar.end, textLine.lineBottom) |
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select(lineIndex, charIndex) |
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} |
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} |
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break |
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} |
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} |
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return false |
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} |
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fun selectStartMove(x: Float, y: Float) { |
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for ((lineIndex, textLine) in textPage.textLines.withIndex()) { |
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if (y > textLine.lineTop && y < textLine.lineBottom) { |
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for ((charIndex, textChar) in textLine.textChars.withIndex()) { |
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if (x > textChar.leftBottomPosition.x && x < textChar.rightTopPosition.x) { |
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if (x > textChar.start && x < textChar.end) { |
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if (selectLineStart != lineIndex || selectCharStart != charIndex) { |
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selectLineStart = lineIndex |
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selectCharStart = charIndex |
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upSelectedStart( |
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textChar.leftBottomPosition.x, |
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textChar.leftBottomPosition.y |
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) |
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upSelectedStart(textChar.start, textLine.lineBottom) |
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upSelectChars(textPage) |
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} |
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break |
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@ -204,18 +216,24 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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} |
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} |
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fun selectStartMoveIndex(lineIndex: Int, charIndex: Int) { |
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selectLineStart = lineIndex |
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selectCharStart = charIndex |
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val textLine = textPage.textLines[lineIndex] |
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val textChar = textLine.textChars[charIndex] |
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upSelectedStart(textChar.start, textLine.lineBottom) |
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upSelectChars(textPage) |
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} |
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fun selectEndMove(x: Float, y: Float) { |
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for ((lineIndex, textLine) in textPage.textLines.withIndex()) { |
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if (y > textLine.lineTop && y < textLine.lineBottom) { |
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for ((charIndex, textChar) in textLine.textChars.withIndex()) { |
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if (x > textChar.leftBottomPosition.x && x < textChar.rightTopPosition.x) { |
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if (x > textChar.start && x < textChar.end) { |
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if (selectLineEnd != lineIndex || selectCharEnd != charIndex) { |
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selectLineEnd = lineIndex |
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selectCharEnd = charIndex |
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upSelectedEnd( |
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textChar.rightTopPosition.x, |
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textChar.leftBottomPosition.y |
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) |
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upSelectedEnd(textChar.end, textLine.lineBottom) |
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upSelectChars(textPage) |
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} |
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break |
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@ -226,6 +244,15 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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} |
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} |
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fun selectEndMoveIndex(lineIndex: Int, charIndex: Int) { |
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selectLineEnd = lineIndex |
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selectCharEnd = charIndex |
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val textLine = textPage.textLines[lineIndex] |
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val textChar = textLine.textChars[charIndex] |
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upSelectedEnd(textChar.end, textLine.lineBottom) |
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upSelectChars(textPage) |
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} |
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private fun upSelectChars(textPage: TextPage) { |
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for ((lineIndex, textLine) in textPage.textLines.withIndex()) { |
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for ((charIndex, textChar) in textLine.textChars.withIndex()) { |
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口口吕
5 years ago
committed by
GitHub