Restore pageRange advanced options

app/src/main/java/com/hippo/ehviewer/ui/legacy/SearchLayout.kt

@@ -159,8 +159,8 @@ class SearchLayout @JvmOverloads constructor(
                 if (isAdvancedMode) {
                     urlBuilder.advanceSearch = advancedState.advanceSearch
                     urlBuilder.minRating = advancedState.minRating
-                    val pageFrom = advancedState.page.first
-                    val pageTo = advancedState.page.last
+                    val pageFrom = advancedState.fromPage
+                    val pageTo = advancedState.toPage
                     if (pageTo != -1 && pageTo < 10) {
                         throw EhException(context.getString(R.string.search_sp_err1))
                     } else if (pageFrom != -1 && pageTo != -1 && pageTo - pageFrom < 20) {

app/src/main/java/com/hippo/ehviewer/ui/main/AdvanceTable.kt

@@ -11,5 +11,6 @@ object AdvanceTable {
 data class AdvancedSearchOption(
     val advanceSearch: Int = 0,
     val minRating: Int = 0,
-    val page: IntRange = -1..-1,
+    val fromPage: Int = -1,
+    val toPage: Int = -1,
 )

app/src/main/java/com/hippo/ehviewer/ui/main/AdvancedSearch.kt

@@ -2,6 +2,8 @@ package com.hippo.ehviewer.ui.main
 
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.text.BasicTextField
+import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material3.Checkbox
 import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.ExposedDropdownMenuBox
@@ -14,11 +16,13 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringArrayResource
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.KeyboardType
 import com.hippo.ehviewer.R
 
 @Composable
@@ -72,6 +76,25 @@ fun SearchAdvanced(
                     }
                 }
             }
+            Row {
+                var enabled by rememberSaveable { mutableStateOf(false) }
+                Checkbox(checked = enabled, onCheckedChange = { enabled = it })
+                Text(text = stringResource(id = R.string.search_sp), modifier = Modifier.align(Alignment.CenterVertically))
+                BasicTextField(
+                    keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                    value = if (enabled && state.fromPage != -1) state.fromPage.toString() else "",
+                    onValueChange = { onStateChanged(state.copy(fromPage = it.toInt())) },
+                    enabled = enabled,
+                )
+                Text(text = stringResource(id = R.string.search_sp_to), modifier = Modifier.align(Alignment.CenterVertically))
+                BasicTextField(
+                    keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                    value = if (enabled && state.toPage != -1) state.toPage.toString() else "",
+                    onValueChange = { onStateChanged(state.copy(toPage = it.toInt())) },
+                    enabled = enabled,
+                )
+                Text(text = stringResource(id = R.string.search_sp_suffix), modifier = Modifier.align(Alignment.CenterVertically))
+            }
             Text(text = stringResource(id = R.string.search_sf))
             Row {
                 Row(modifier = Modifier.weight(1f)) {