From d974ad35af0aa4585091303256dbe221fe04a1fb Mon Sep 17 00:00:00 2001
From: Runt <qingingrunt2010@qq.com>
Date: Sat, 30 Aug 2025 17:43:48 +0000
Subject: [PATCH] 超出父容器

---
 libmvi/src/main/java/com/runt/open/mvi/views/PublicViews.kt |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/libmvi/src/main/java/com/runt/open/mvi/views/PublicViews.kt b/libmvi/src/main/java/com/runt/open/mvi/views/PublicViews.kt
index 9e78070..0208e22 100644
--- a/libmvi/src/main/java/com/runt/open/mvi/views/PublicViews.kt
+++ b/libmvi/src/main/java/com/runt/open/mvi/views/PublicViews.kt
@@ -29,8 +29,10 @@
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.Layout
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.Constraints
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.Dialog
@@ -45,6 +47,32 @@
  * @date 5/18/25
  */
 
+/**
+ * 超出父容器
+ */
+@Composable
+fun UnboundedBox(
+    modifier: Modifier = Modifier,
+    content: @Composable () -> Unit
+) {
+    Layout(content, modifier) { measurables, parent ->
+        // 给子树宽高用"无限"上限测量
+        val loose = Constraints(
+            minWidth = 0, minHeight = 0,
+            maxWidth = Int.MAX_VALUE, maxHeight = Int.MAX_VALUE
+        )
+        val placeables = measurables.map { it.measure(loose) }
+
+        // 自己仍按父约束的大小布局(不撑爆父)
+        val w = parent.maxWidth
+        val h = parent.maxHeight
+        layout(w, h) {
+            // 放在(0,0)。如需往外探出,可用负偏移:placeRelative(-50, 0)
+            placeables.forEach { it.placeRelative(0, 0) }
+        }
+    }
+}
+
 @Composable
 fun LoadingDialog( loadingState : LoadingState) {
     if (loadingState.isVisible) {

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