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@ -16,7 +16,7 @@ import io.legado.app.help.config.AppConfig |
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import io.legado.app.help.config.ReadBookConfig |
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import io.legado.app.lib.theme.accentColor |
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import io.legado.app.model.ReadBook |
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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.TextColumn |
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import io.legado.app.ui.book.read.page.entities.TextLine |
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import io.legado.app.ui.book.read.page.entities.TextPage |
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import io.legado.app.ui.book.read.page.entities.TextPos |
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@ -30,7 +30,7 @@ import io.legado.app.utils.toastOnUi |
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import kotlin.math.min |
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/** |
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* 阅读内容界面 |
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* 阅读内容视图 |
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*/ |
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class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, attrs) { |
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var selectAble = context.getPrefBoolean(PreferKey.textSelectAble, true) |
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@ -51,7 +51,6 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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private var cacheIncreased = false |
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private val increaseSize = 8 * 1024 * 1024 |
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private val maxCacheSize = 256 * 1024 * 1024 |
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private val reviewButtonArea: ArrayList<FloatArray> = arrayListOf() |
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//滚动参数 |
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private val pageFactory: TextPageFactory get() = callBack.pageFactory |
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@ -68,12 +67,18 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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callBack = activity as CallBack |
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} |
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/** |
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* 设置内容 |
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*/ |
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fun setContent(textPage: TextPage) { |
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this.textPage = textPage |
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imagePaint.isAntiAlias = AppConfig.useAntiAlias |
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invalidate() |
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} |
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/** |
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* 更新绘制区域 |
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*/ |
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fun upVisibleRect() { |
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visibleRect.set( |
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ChapterProvider.paddingLeft.toFloat(), |
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@ -102,7 +107,6 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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* 绘制页面 |
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*/ |
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private fun drawPage(canvas: Canvas) { |
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reviewButtonArea.clear() |
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var relativeOffset = relativeOffset(0) |
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textPage.textLines.forEach { textLine -> |
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draw(canvas, textPage, textLine, relativeOffset) |
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@ -125,6 +129,9 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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} |
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} |
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/** |
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* 绘制页面 |
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*/ |
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private fun draw( |
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canvas: Canvas, |
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textPage: TextPage, |
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@ -161,23 +168,17 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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reviewCountPaint.textSize = textPaint.textSize * 0.6F |
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reviewCountPaint.color = textColor |
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textLine.textChars.forEach { |
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if (it.isImage) { |
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drawImage(canvas, textPage, textLine, it, lineTop, lineBottom) |
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} else { |
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when (it.style) { |
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0 -> { |
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textPaint.color = textColor |
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if (it.isSearchResult) { |
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textPaint.color = context.accentColor |
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} |
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if (it.charData == "\uD83D\uDCAC" && it.isLineEnd) { |
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canvas.drawText(it.charData, it.start, lineBase, textPaint) |
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} |
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1 -> drawImage(canvas, textPage, textLine, it, lineTop, lineBottom) |
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2 -> { |
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if (textLine.reviewCount <= 0) return@forEach |
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reviewButtonArea.add( |
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floatArrayOf( |
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it.start - textPaint.textSize * 0.4F, |
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lineBase + textPaint.textSize * 0.2F, |
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it.start + textPaint.textSize * 2F, |
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lineBase - textPaint.textSize * 1F, |
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) |
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) |
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canvas.drawLine( |
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it.start, |
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lineBase - textPaint.textSize * 2 / 5, |
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@ -243,7 +244,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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lineBase - textPaint.textSize / 6, |
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reviewCountPaint |
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) |
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} else canvas.drawText(it.charData, it.start, lineBase, textPaint) |
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} |
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} |
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if (it.selected) { |
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canvas.drawRect(it.start, lineTop, it.end, lineBottom, selectedPaint) |
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@ -259,7 +260,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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canvas: Canvas, |
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textPage: TextPage, |
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textLine: TextLine, |
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textChar: TextChar, |
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textChar: TextColumn, |
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lineTop: Float, |
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lineBottom: Float |
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) { |
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@ -344,20 +345,11 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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invalidate() |
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} |
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fun resetPageOffset() { |
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pageOffset = 0 |
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} |
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/** |
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* 点击评论按钮 |
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* 重置滚动位置 |
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*/ |
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fun pressReviewButton(x: Float, y: Float): Boolean { |
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reviewButtonArea.forEach { |
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if (x in it[0]..it[2] && y in it[3]..it[1]) { |
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return true |
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} |
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} |
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return false |
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fun resetPageOffset() { |
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pageOffset = 0 |
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} |
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/** |
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@ -366,19 +358,34 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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fun longPress( |
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x: Float, |
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y: Float, |
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select: (relativePage: Int, lineIndex: Int, charIndex: Int) -> Unit, |
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select: (textPos: TextPos) -> Unit, |
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) { |
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touch(x, y) { _, relativePos, _, lineIndex, _, charIndex, textChar -> |
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if (textChar.isImage) { |
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callBack.onImageLongPress(x, y, textChar.charData) |
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touch(x, y) { _, textPos, _, _, textColumn -> |
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if (textColumn.style == 2) return@touch |
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if (textColumn.style == 1) { |
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callBack.onImageLongPress(x, y, textColumn.charData) |
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} else { |
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if (!selectAble) return@touch |
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if (textChar.charData == "\uD83D\uDCAC" && textChar.isLineEnd) return@touch |
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textChar.selected = true |
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textColumn.selected = true |
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invalidate() |
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select(relativePos, lineIndex, charIndex) |
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select(textPos) |
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} |
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} |
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} |
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/** |
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* 单击 |
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* @return true:已处理, false:未处理 |
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*/ |
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fun click(x: Float, y: Float): Boolean { |
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var handled = false |
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touch(x, y) { _, textPos, textPage, textLine, textColumn -> |
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if (textColumn.style == 2) { |
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context.toastOnUi("Button Pressed!") |
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handled = true |
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} |
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} |
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return handled |
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} |
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/** |
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@ -387,13 +394,13 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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fun selectText( |
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x: Float, |
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y: Float, |
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select: (relativePage: Int, lineIndex: Int, charIndex: Int) -> Unit, |
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select: (textPos: TextPos) -> Unit, |
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) { |
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touch(x, y) { _, relativePos, _, lineIndex, _, charIndex, textChar -> |
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if (textChar.charData == "\uD83D\uDCAC" && textChar.isLineEnd) return@touch |
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textChar.selected = true |
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touch(x, y) { _, textPos, _, _, textColumn -> |
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if (textColumn.style == 2) return@touch |
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textColumn.selected = true |
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invalidate() |
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select(relativePos, lineIndex, charIndex) |
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select(textPos) |
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} |
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} |
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@ -401,11 +408,10 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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* 开始选择符移动 |
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*/ |
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fun selectStartMove(x: Float, y: Float) { |
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touch(x, y) { relativeOffset, relativePos, _, lineIndex, textLine, charIndex, textChar -> |
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val pos = TextPos(relativePos, lineIndex, charIndex) |
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if (selectStart.compare(pos) != 0) { |
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if (pos.compare(selectEnd) <= 0) { |
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selectStart.upData(pos = pos) |
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touch(x, y) { relativeOffset, textPos, _, textLine, textChar -> |
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if (selectStart.compare(textPos) != 0) { |
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if (textPos.compare(selectEnd) <= 0) { |
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selectStart.upData(pos = textPos) |
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upSelectedStart( |
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textChar.start, |
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textLine.lineBottom + relativeOffset, |
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@ -421,11 +427,10 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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* 结束选择符移动 |
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*/ |
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fun selectEndMove(x: Float, y: Float) { |
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touch(x, y) { relativeOffset, relativePos, _, lineIndex, textLine, charIndex, textChar -> |
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val pos = TextPos(relativePos, lineIndex, charIndex) |
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if (pos.compare(selectEnd) != 0) { |
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if (pos.compare(selectStart) >= 0) { |
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selectEnd.upData(pos) |
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touch(x, y) { relativeOffset, textPos, _, textLine, textChar -> |
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if (textPos.compare(selectEnd) != 0) { |
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if (textPos.compare(selectStart) >= 0) { |
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selectEnd.upData(textPos) |
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upSelectedEnd(textChar.end, textLine.lineBottom + relativeOffset) |
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upSelectChars() |
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} |
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@ -433,17 +438,19 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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} |
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} |
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/** |
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* 触碰位置信息 |
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* @param touched 回调 |
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*/ |
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private fun touch( |
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x: Float, |
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y: Float, |
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touched: ( |
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relativeOffset: Float, |
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relativePos: Int, |
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textPos: TextPos, |
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textPage: TextPage, |
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lineIndex: Int, |
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textLine: TextLine, |
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charIndex: Int, |
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textChar: TextChar |
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textColumn: TextColumn |
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) -> Unit |
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) { |
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if (!visibleRect.contains(x, y)) return |
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@ -462,9 +469,8 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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if (textChar.isTouch(x)) { |
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touched.invoke( |
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relativeOffset, |
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relativePos, textPage, |
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lineIndex, textLine, |
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charIndex, textChar |
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TextPos(relativePos, lineIndex, charIndex), |
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textPage, textLine, textChar |
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) |
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return |
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} |
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@ -514,7 +520,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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textPos.lineIndex = lineIndex |
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for ((charIndex, textChar) in textLine.textChars.withIndex()) { |
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textPos.charIndex = charIndex |
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if (textChar.charData == "\uD83D\uDCAC" && textChar.isLineEnd) continue |
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if (textChar.style == 2) continue |
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textChar.selected = |
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textPos.compare(selectStart) >= 0 && textPos.compare(selectEnd) <= 0 |
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textChar.isSearchResult = textChar.selected && callBack.isSelectingSearchResult |
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Seidko
2 years ago