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bug: PVE 虚拟机进入控制台后，顶部视图切换栏收缩为纯图标且不恢复 #1638
Description
Activity
Issue triage
Feasibility:needs-clarification ｜ Risk:medium
Related code:
fl_lib· SegmentedTabs._onMeasured
Information needed to reproduce:
- Does this reproduce with other hypervisors or only PVE guests?
- Does rotating to portrait and back restore the labels?
- Which exact view transitions keep the tabs compact, and does resizing the detail pane affect it?
Suggested labels(not applied automatically):bug, ui, android, virtualization
补充信息：
- 只在 PVE 上复现；手头没有 libvirt/KVM 主机可以对比。
- 转成竖屏再转回横屏，标签会恢复。
- 触发条件：只有「同时提供终端与图形两种控制台」的虚拟机（例如 Linux 虚拟机）点「控制台」时触发；只有图形控制台的 Windows 虚拟机不会触发。触发后，切到概览/硬件/快照/备份/设置仍保持纯图标。
- 拖动中间分隔条改变宽度是否影响：未测试。
这与
SegmentedTabs._onMeasured的行为一致：控制台的二级切换（终端/图形）把整行撑宽 → 进入_compact→ 记下的_fullWidth大于当前可用宽度 → 切到其他视图也不会恢复；而转屏时页面被重建，控件状态重置，所以标签回来了。
Additional details:
- Reproduces on PVE only; no libvirt/KVM host available to compare.
- Rotating to portrait and back to landscape brings the labels back.
- Trigger: only a guest that offers both consoles (terminal + graphical), e.g. a Linux guest, when its Console view is opened. A Windows guest (graphical only) does not trigger it. Once triggered, switching to Overview/Hardware/Snapshots/Backup/Settings keeps it icons-only.
- Whether dragging the divider (pane width) affects it: not tested.
This matches
SegmentedTabs._onMeasured: the Console segment's second level (Terminal/Graphical) widens the row →_compact→ the remembered_fullWidthis wider than the current room → other views do not bring the labels back; a rotation rebuilds the page and resets the state, which is why the labels return.已在 #1671 修复, 请等待下次发版
设备 / Device：Android 16，ServerBox 1.0.1719
🇨🇳 中文
描述 Bug
横屏下，虚拟机页选中一台 PVE 虚拟机后点「控制台」，顶部视图切换栏（概览/控制台/硬件/快照/备份/设置）收缩成纯图标、文字消失；再切到其他视图也仍保持收缩。
复现步骤
期望结果：切换视图后恢复显示文字标签。
实际结果：进过一次控制台后标签就再也不显示。
更多信息（可能原因）
fl_lib的SegmentedTabs._onMeasured：带标签所需宽度 > 可用宽度即进入_compact（只留图标），并记住当时的_fullWidth，之后只有可用宽度 ≥_fullWidth才恢复标签。选中「控制台」时该段多出二级切换（终端/图形），行变宽 → 进入 compact；而_fullWidth大于当前可用宽度，所以切到其他视图也回不来。🇬🇧 English
Describe the bug
In landscape, on the Virtualization tab, selecting a PVE guest and tapping Console collapses the view switcher above (Overview / Console / Hardware / Snapshots / Backup / Settings) into icons only. Switching to any other view keeps it collapsed.
To reproduce
Expected: the switcher shows its labels again after switching views.
Actual: once Console has been opened, the labels never come back.
Additional context (likely cause)
SegmentedTabs._onMeasuredinfl_lib: when the width needed with labels exceeds the room it goes_compact(icons only) and remembers_fullWidthas the width needed at that moment; labels return only once the room is at least_fullWidth. Selecting Console adds its second level (Terminal/Graphical), widening the row → compact; that_fullWidthis wider than the current room, so other views never bring the labels back.