Add dynamic max support

pagecurl/src/main/kotlin/eu/wewox/pagecurl/page/PageCurl.kt

@@ -12,6 +12,7 @@ import eu.wewox.pagecurl.ExperimentalPageCurlApi
 /**
  * Shows the pages which may be turned by drag or tap gestures.
  *
+ * @param count The count of pages.
  * @param state The state of the PageCurl. Use this to programmatically change the current page or observe changes.
  * @param modifier The modifier for this composable.
  * @param content The content lambda to provide the page composable. Receives the page number.
@@ -19,14 +20,16 @@ import eu.wewox.pagecurl.ExperimentalPageCurlApi
 @ExperimentalPageCurlApi
 @Composable
 public fun PageCurl(
-    state: PageCurlState,
+    count: Int,
     modifier: Modifier = Modifier,
+    state: PageCurlState = rememberPageCurlState(),
     content: @Composable (Int) -> Unit
 ) {
     val scope = rememberCoroutineScope()
     val updatedCurrent by rememberUpdatedState(state.current)
 
     BoxWithConstraints(modifier) {
+        state.max = count
         state.setup(constraints)
 
         val internalState by rememberUpdatedState(state.internalState ?: return@BoxWithConstraints)
@@ -82,3 +85,26 @@ public fun PageCurl(
         }
     }
 }
+
+/**
+ * Shows the pages which may be turned by drag or tap gestures.
+ *
+ * @param state The state of the PageCurl. Use this to programmatically change the current page or observe changes.
+ * @param modifier The modifier for this composable.
+ * @param content The content lambda to provide the page composable. Receives the page number.
+ */
+@ExperimentalPageCurlApi
+@Composable
+@Deprecated("Specify 'max' as 'count' in PageCurl composable.")
+public fun PageCurl(
+    state: PageCurlState,
+    modifier: Modifier = Modifier,
+    content: @Composable (Int) -> Unit
+) {
+    PageCurl(
+        count = state.max,
+        state = state,
+        modifier = modifier,
+        content = content,
+    )
+}

pagecurl/src/main/kotlin/eu/wewox/pagecurl/page/PageCurlState.kt

@@ -24,6 +24,37 @@ import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
+/**
+ * Remembers the [PageCurlState].
+ *
+ * @param initialCurrent The initial current page.
+ * @param config The configuration for PageCurl.
+ * @return The remembered [PageCurlState].
+ */
+@ExperimentalPageCurlApi
+@Composable
+public fun rememberPageCurlState(
+    initialCurrent: Int = 0,
+    config: PageCurlConfig = rememberPageCurlConfig()
+): PageCurlState =
+    rememberSaveable(
+        initialCurrent,
+        saver = Saver(
+            save = { it.current },
+            restore = {
+                PageCurlState(
+                    initialCurrent = it,
+                    config = config,
+                )
+            }
+        )
+    ) {
+        PageCurlState(
+            initialCurrent = initialCurrent,
+            config = config,
+        )
+    }
+
 /**
  * Remembers the [PageCurlState].
  *
@@ -34,6 +65,7 @@ import kotlinx.coroutines.withContext
  */
 @ExperimentalPageCurlApi
 @Composable
+@Deprecated("Specify 'max' as 'count' in PageCurl composable.")
 public fun rememberPageCurlState(
     max: Int,
     initialCurrent: Int = 0,
@@ -45,16 +77,16 @@ public fun rememberPageCurlState(
             save = { it.current },
             restore = {
                 PageCurlState(
-                    max = max,
                     initialCurrent = it,
+                    initialMax = max,
                     config = config,
                 )
             }
         )
     ) {
         PageCurlState(
-            max = max,
             initialCurrent = initialCurrent,
+            initialMax = max,
             config = config,
         )
     }
@@ -62,14 +94,14 @@ public fun rememberPageCurlState(
 /**
  * The state of the PageCurl.
  *
- * @property max The max number of pages.
  * @property config The configuration for PageCurl.
+ * @param initialMax The initial max number of pages.
  * @param initialCurrent The initial current page.
  */
 @ExperimentalPageCurlApi
 public class PageCurlState(
-    public val max: Int,
     public val config: PageCurlConfig,
+    initialMax: Int = 0,
     initialCurrent: Int = 0,
 ) {
     /**
@@ -84,6 +116,8 @@ public class PageCurlState(
      */
     public val progress: Float get() = internalState?.progress ?: 0f
 
+    internal var max: Int = initialMax
+
     internal var internalState: InternalState? by mutableStateOf(null)
 
     internal fun setup(constraints: Constraints) {