选择文本时优先选词

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

@@ -40,7 +40,8 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     private val selectStart = arrayOf(0, 0, 0)
     private val selectEnd = arrayOf(0, 0, 0)
     private var textChapter: TextChapter? = null
-    private var textPage: TextPage = TextPage()
+    var textPage: TextPage = TextPage()
+        private set
 
     //滚动参数
     private val pageFactory: TextPageFactory get() = callBack.pageFactory

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

@@ -276,4 +276,5 @@ class PageView(context: Context) : FrameLayout(context) {
 
     val selectedText: String get() = binding.contentTextView.selectedText
 
+    val textPage get() = binding.contentTextView.textPage
 }

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

@@ -22,8 +22,11 @@ import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.ui.book.read.page.provider.TextPageFactory
 import io.legado.app.utils.activity
 import io.legado.app.utils.screenshot
+import java.text.BreakIterator
+import java.util.*
 import kotlin.math.abs
 
+
 class ReadView(context: Context, attrs: AttributeSet) :
     FrameLayout(context, attrs),
     DataSource {
@@ -250,8 +253,21 @@ class ReadView(context: Context, attrs: AttributeSet) :
             firstRelativePage = relativePage
             firstLineIndex = lineIndex
             firstCharIndex = charIndex
+            val boundary = BreakIterator.getWordInstance(Locale.getDefault())
+            val lineText = curPage.textPage.textLines[lineIndex].text
+            boundary.setText(lineText)
+            var start = boundary.first()
+            var end = boundary.next()
+            while (end != BreakIterator.DONE) {
+                if (charIndex in start until end) {
+                    firstCharIndex = start
+                    break
+                }
+                start = end
+                end = boundary.next()
+            }
             curPage.selectStartMoveIndex(firstRelativePage, firstLineIndex, firstCharIndex)
-            curPage.selectEndMoveIndex(firstRelativePage, firstLineIndex, firstCharIndex)
+            curPage.selectEndMoveIndex(firstRelativePage, firstLineIndex, end - 1)
         }
     }