[wyu71]

fix: reset title bar animationShow in switchOpenImage

1. Root cause: When deleting all images in fullscreen, switchOpenImage()
   sets showFullScreen=false but titleRect.animationShow stays false,
   leaving the title bar at y=-titleHeight (off-screen and invisible)
2. Fix: Add titleRect.animationShow=true in switchOpenImage() to reset
   the title bar position when returning to the open-image page
3. Impact: Only affects the delete-all-images fullscreen exit path, no
   change to normal title bar animation behavior

Log: Fix title bar not visible after fullscreen image deletion

Influence:

1. Test fullscreen delete all images then verify title bar visible
2. Test normal fullscreen exit and verify title bar animation works
3. Test open-image page title bar displays correctly

fix: 在 switchOpenImage 中重置标题栏动画状态

1. 根因：全屏删除所有图片时 switchOpenImage() 设置 showFullScreen=false
   但 titleRect.animationShow 仍为 false，标题栏 Y 坐标停在 -titleHeight
   （屏幕外不可见），导致无法退出窗口
2. 方案：在 switchOpenImage() 中添加 titleRect.animationShow=true，回到
   打开图片页时重置标题栏位置
3. 影响：仅影响全屏删除全部图片的退出路径，不影响正常标题栏动画

Log: 修复全屏删除图片后标题栏不可见的问题

Influence:

1. 测试全屏删除所有图片后标题栏可见
2. 测试正常退出全屏后标题栏动画正常
3. 测试打开图片页标题栏正确显示

PMS: BUG-381383

Summary by Sourcery

Bug Fixes:

• Restore the title bar when returning to the open-image page after deleting all images in fullscreen mode.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Fixes the fullscreen delete-all-images exit path by restoring the title bar animation state when switchOpenImage() returns to the open-image page, while leaving normal fullscreen title bar behavior unchanged.

Sequence diagram for restoring the title bar after deleting all fullscreen images

sequenceDiagram
    participant User
    participant MainStack
    participant GStatus
    participant titleRect

    User->>MainStack: switchOpenImage()
    MainStack->>GStatus: stackPage = OpenImagePage
    MainStack->>titleRect: animationShow = true
    opt showFullScreen
        MainStack->>GStatus: showFullScreen = false
    end
    MainStack-->>User: Open-image page with visible title bar

Loading

File-Level Changes

Change	Details	Files
Reset the title bar visibility state when switching back to the open-image page.	Set titleRect.animationShow to true in switchOpenImage() before leaving fullscreen if necessary. Preserve the existing fullscreen-state reset and page-navigation behavior.	src/qml/MainStack.qml

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: lzwind, wyu71

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