From f0485413379032e3f6a6ef02941a588a827ea4c5 Mon Sep 17 00:00:00 2001
From: Horis <821938089@qq.com>
Date: Wed, 5 Oct 2022 20:19:41 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../app/ui/book/read/ReadBookActivity.kt      |  1 +
 .../app/ui/book/read/page/ContentTextView.kt  | 56 ++++++++++++++++++-
 .../ui/book/read/page/entities/TextLine.kt    |  5 ++
 3 files changed, 59 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index 0a55ce9fa..92c1b84ff 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -191,6 +191,7 @@ class ReadBookActivity : BaseReadBookActivity(),
 
     override fun onConfigurationChanged(newConfig: Configuration) {
         super.onConfigurationChanged(newConfig)
+        upSystemUiVisibility()
         binding.readView.upStatusBar()
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
index 54caf9c89..1ce08d25e 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
@@ -332,7 +332,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         y: Float,
         select: (textPos: TextPos) -> Unit,
     ) {
-        touch(x, y) { _, textPos, _, _, column ->
+        touchRough(x, y) { _, textPos, _, _, column ->
             if (column is TextColumn) {
                 column.selected = true
                 invalidate()
@@ -345,7 +345,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
      * 开始选择符移动
      */
     fun selectStartMove(x: Float, y: Float) {
-        touch(x, y) { relativeOffset, textPos, _, textLine, textColumn ->
+        touchRough(x, y) { relativeOffset, textPos, _, textLine, textColumn ->
             if (selectStart.compare(textPos) != 0) {
                 if (textPos.compare(selectEnd) <= 0) {
                     selectStart.upData(pos = textPos)
@@ -364,7 +364,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
      * 结束选择符移动
      */
     fun selectEndMove(x: Float, y: Float) {
-        touch(x, y) { relativeOffset, textPos, _, textLine, textColumn ->
+        touchRough(x, y) { relativeOffset, textPos, _, textLine, textColumn ->
             if (textPos.compare(selectEnd) != 0) {
                 if (textPos.compare(selectStart) >= 0) {
                     selectEnd.upData(textPos)
@@ -418,6 +418,56 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         }
     }
 
+    /**
+     * 触碰位置信息
+     * 文本选择专用
+     * @param touched 回调
+     */
+    private fun touchRough(
+        x: Float,
+        y: Float,
+        touched: (
+            relativeOffset: Float,
+            textPos: TextPos,
+            textPage: TextPage,
+            textLine: TextLine,
+            column: BaseColumn
+        ) -> Unit
+    ) {
+        if (!visibleRect.contains(x, y)) return
+        var relativeOffset: Float
+        for (relativePos in 0..2) {
+            relativeOffset = relativeOffset(relativePos)
+            if (relativePos > 0) {
+                //滚动翻页
+                if (!callBack.isScroll) return
+                if (relativeOffset >= ChapterProvider.visibleHeight) return
+            }
+            val textPage = relativePage(relativePos)
+            for ((lineIndex, textLine) in textPage.lines.withIndex()) {
+                if (textLine.isTouchY(y, relativeOffset)) {
+                    for ((charIndex, textColumn) in textLine.columns.withIndex()) {
+                        if (textColumn.isTouch(x)) {
+                            touched.invoke(
+                                relativeOffset,
+                                TextPos(relativePos, lineIndex, charIndex),
+                                textPage, textLine, textColumn
+                            )
+                            return
+                        }
+                    }
+                    val (charIndex, textColumn) = textLine.columns.withIndex().last()
+                    touched.invoke(
+                        relativeOffset,
+                        TextPos(relativePos, lineIndex, charIndex),
+                        textPage, textLine, textColumn
+                    )
+                    return
+                }
+            }
+        }
+    }
+
     /**
      * 选择开始文字
      */
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
index ea4b8bd08..59d9b24db 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
@@ -56,4 +56,9 @@ data class TextLine(
                 && x >= lineStart
                 && x <= lineEnd
     }
+
+    fun isTouchY(y: Float, relativeOffset: Float): Boolean {
+        return y > lineTop + relativeOffset
+                && y < lineBottom + relativeOffset
+    }
 }