准备在正文添加按钮

app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt

@@ -14,7 +14,7 @@ import io.legado.app.help.config.AppConfig
 import io.legado.app.help.config.ReadBookConfig
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.model.ReadBook
-import io.legado.app.ui.book.read.page.entities.TextChar
+import io.legado.app.ui.book.read.page.entities.TextColumn
 import io.legado.app.ui.book.read.page.entities.TextLine
 import io.legado.app.ui.book.read.page.entities.TextPage
 import io.legado.app.ui.book.read.page.entities.TextPos
@@ -160,7 +160,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         }
         val textColor = if (textLine.isReadAloud) context.accentColor else ReadBookConfig.textColor
         textLine.textChars.forEach {
-            if (it.isImage) {
+            if (it.style == 1) {
                 drawImage(canvas, textPage, textLine, it, lineTop, lineBottom)
             } else {
                 textPaint.color = textColor
@@ -183,7 +183,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         canvas: Canvas,
         textPage: TextPage,
         textLine: TextLine,
-        textChar: TextChar,
+        textChar: TextColumn,
         lineTop: Float,
         lineBottom: Float
     ) {
@@ -284,7 +284,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         select: (textPos: TextPos) -> Unit,
     ) {
         touch(x, y) { _, textPos, _, _, textChar ->
-            if (textChar.isImage) {
+            if (textChar.style == 1) {
                 callBack.onImageLongPress(x, y, textChar.charData)
             } else {
                 if (!selectAble) return@touch
@@ -367,7 +367,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
             textPos: TextPos,
             textPage: TextPage,
             textLine: TextLine,
-            textChar: TextChar
+            textColumn: TextColumn
         ) -> Unit
     ) {
         if (!visibleRect.contains(x, y)) return

app/src/main/java/io/legado/app/ui/book/read/page/entities/TextColumn.kt

@@ -3,12 +3,12 @@ package io.legado.app.ui.book.read.page.entities
 /**
  * 字符信息
  */
-data class TextChar(
+data class TextColumn(
     val charData: String,
     var start: Float,
     var end: Float,
+    val style: Int = 0, //0:文字,1:图片,2:按钮
     var selected: Boolean = false,
-    var isImage: Boolean = false,
     var isSearchResult: Boolean = false
 ) {
 

app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt

@@ -10,7 +10,7 @@ import io.legado.app.utils.textHeight
 @Suppress("unused", "MemberVisibilityCanBePrivate")
 data class TextLine(
     var text: String = "",
-    val textChars: ArrayList<TextChar> = arrayListOf(),
+    val textChars: ArrayList<TextColumn> = arrayListOf(),
     var lineTop: Float = 0f,
     var lineBase: Float = 0f,
     var lineBottom: Float = 0f,
@@ -30,13 +30,13 @@ data class TextLine(
         lineBase = lineBottom - textPaint.fontMetrics.descent
     }
 
-    fun getTextChar(index: Int): TextChar {
+    fun getTextChar(index: Int): TextColumn {
         return textChars.getOrElse(index) {
             textChars.last()
         }
     }
 
-    fun getTextCharReverseAt(index: Int): TextChar {
+    fun getTextCharReverseAt(index: Int): TextColumn {
         return textChars[textChars.lastIndex - index]
     }
 

app/src/main/java/io/legado/app/ui/book/read/page/entities/TextPage.kt

@@ -114,7 +114,7 @@ data class TextPage(
                     val cw = StaticLayout.getDesiredWidth(char, ChapterProvider.contentPaint)
                     val x1 = x + cw
                     textLine.textChars.add(
-                        TextChar(char, start = x, end = x1)
+                        TextColumn(char, start = x, end = x1)
                     )
                     x = x1
                 }

app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt

@@ -14,7 +14,7 @@ import io.legado.app.help.config.AppConfig
 import io.legado.app.help.config.ReadBookConfig
 import io.legado.app.model.ReadBook
 import io.legado.app.ui.book.read.page.entities.TextChapter
-import io.legado.app.ui.book.read.page.entities.TextChar
+import io.legado.app.ui.book.read.page.entities.TextColumn
 import io.legado.app.ui.book.read.page.entities.TextLine
 import io.legado.app.ui.book.read.page.entities.TextPage
 import io.legado.app.utils.*
@@ -252,7 +252,7 @@ object ChapterProvider {
                 Pair(0f, width.toFloat())
             }
             textLine.textChars.add(
-                TextChar(charData = src, start = x + start, end = x + end, isImage = true)
+                TextColumn(charData = src, start = x + start, end = x + end, style = 1)
             )
             textPages.last().textLines.add(textLine)
         }
@@ -401,7 +401,7 @@ object ChapterProvider {
         bodyIndent.toStringArray().forEach { char ->
             val x1 = x + icw
             textLine.textChars.add(
-                TextChar(charData = char, start = absStartX + x, end = absStartX + x1)
+                TextColumn(charData = char, start = absStartX + x, end = absStartX + x1)
             )
             x = x1
         }
@@ -480,16 +480,16 @@ object ChapterProvider {
             val src = srcList.removeFirst()
             ImageProvider.cacheImage(book, src, ReadBook.bookSource)
             textLine.textChars.add(
-                TextChar(
+                TextColumn(
                     charData = src,
                     start = absStartX + xStart,
                     end = absStartX + xEnd,
-                    isImage = true
+                    style = 1
                 )
             )
         } else {
             textLine.textChars.add(
-                TextChar(
+                TextColumn(
                     charData = char,
                     start = absStartX + xStart,
                     end = absStartX + xEnd