20260817172952

code/fms/fms-vue/src/components/ui/splitter/splitter.vue

@@ -142,6 +142,19 @@ function applySizes(result, index) {
   innerSizes.value = next
 }
 
+// 拖拽/键盘调整结束后，未显式声明尺寸（无 size 且无 defaultSize）的面板恢复为
+// flex 自动填充，避免其被固定为拖拽时的 px 宽度，导致容器尺寸变化
+// （如侧栏折叠、窗口缩放）时剩余空间无法被自动填满
+function releaseAutoPanels() {
+  const next = [...innerSizes.value]
+  panelItems.value.forEach((panel, i) => {
+    if (next[i] !== undefined && panel.props.size == null && panel.props.defaultSize == null) {
+      delete next[i]
+    }
+  })
+  innerSizes.value = next
+}
+
 function onBarPointerDown(index, event) {
   if (event.button !== 0 || !canResize(index)) return
   event.preventDefault()
@@ -195,6 +208,7 @@ function onPointerUp() {
   document.body.style.webkitUserSelect = ''
   window.removeEventListener('pointermove', onPointerMove)
   window.removeEventListener('pointerup', onPointerUp)
+  releaseAutoPanels()
   emit('resize-end', finalSizes)
 }
 
@@ -216,6 +230,7 @@ function onBarKeydown(index, event) {
   const startSizes = measurePanelSizes()
   const result = applyOffset(index, startSizes, container, delta)
   applySizes(result, index)
+  releaseAutoPanels()
   emit('resize', [...result])
   emit('resize-end', [...result])
 }