[wyu71]

问题

PMS #381383: 看图全屏删除图片后回到首页无法退出看图窗口

全屏状态下依次删除图片后回到看图首页，标题栏虽 visible=true 但 Y 坐标停在 -titleHeight（屏幕外不可见），关闭按钮和标题栏菜单均不可达，用户无法退出看图窗口。

根因

switchOpenImage()（MainStack.qml）在退出全屏时重置了 showFullScreen、window.opacity、fullScreenAnimating，但遗漏了 titleRect.animationShow 的重置。

全屏期间 animationAll()（FullImageView.qml）将 titleRect.animationShow 设为 false，标题栏 Y 坐标滑至 -titleHeight。退出全屏后 FullImageView 被销毁，animationAll() 不复存在，animationShow 永远不会被重置为 true。

commit 89b6fb0（PMS BUG-378387）的修复遗漏了此重置点。

修复方案

在 ViewTopTitle.qml 增加 onVisibleChanged 处理器，当标题栏 visible 变为 true（即退出全屏）时，将 animationShow 重置为 true，触发 onAnimationShowChanged 将 y 设为 0，标题栏滑回正确位置。

覆盖所有退出全屏场景，修改最小化。

关联

• PMS: #381383
• 关联修复: commit 89b6fb0 (PMS BUG-378387)

Summary by Sourcery

Bug Fixes:

• Restore the title bar position when leaving fullscreen so it remains visible and the image viewer can be closed.

[deepin-ci-robot]

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: wyu71

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Fixes the fullscreen-exit deadlock by resetting the title bar’s hidden animation state when it becomes visible, allowing the title bar controls to reappear and the image viewer to be closed.

Sequence diagram for resetting the title bar after fullscreen exit

sequenceDiagram
    participant MainStack
    participant ViewTopTitle
    participant TitleBarControls

    MainStack->>ViewTopTitle: visible = true
    ViewTopTitle->>ViewTopTitle: onVisibleChanged
    ViewTopTitle->>ViewTopTitle: animationShow = true
    ViewTopTitle->>ViewTopTitle: onAnimationShowChanged
    ViewTopTitle->>TitleBarControls: y = 0
    TitleBarControls-->>MainStack: Close and menu controls reachable

Loading

File-Level Changes

Change	Details	Files
Reset the title bar’s animation state whenever it becomes visible, ensuring it returns to its on-screen position after fullscreen exit.	Add a visibility-change handler that sets animationShow to true when the title bar is shown. Rely on the existing animation-state change handler to restore the title bar’s Y coordinate to 0. Cover fullscreen exit paths without modifying fullscreen transition logic.	src/qml/ViewTopTitle.qml

---

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[wyu71]

关闭此 PR，因头分支位于上游仓库（违反跨仓库 PR 规范）。将从 fork (wyu71) 重新提交修复方案更新版。