[zqq-dora]

The up/down arrow buttons in ArrowListView used visible: itemsView.interactive, so they only appeared when the menu was
scrollable and vanished otherwise. Because the arrow Loaders also
relied on Layout.preferredHeight: implicitHeight, the Loader's
implicitHeight evaluated to 0 before the ActionButton incubated,
so the ColumnLayout gave the arrow 0 height and Qt marked it
invisible on first open -- the up arrow only reappeared after the
first scroll.

ArrowListView.qml

• Remove visible: itemsView.interactive from both arrow Loaders
  so the arrows are always present and the menu height no longer
  jitters when toggling between scrollable and non-scrollable.
• Replace Layout.preferredHeight: implicitHeight with the fixed
  DS.Style.arrowListView.stepButtonSize.height plus
  Layout.minimumHeight of the same value, so the layout reserves
  the arrow height from creation rather than collapsing to 0 while
  the ActionButton incubates.
• Add spacing: 6 between the arrows and the list, and
  anchors.topMargin: 6 so the up arrow keeps 6 px from the
  search-box header.

ArrowListViewButton.qml

• Set active: true so the ActionButton is always loaded, matching
  the always-visible behavior above.
• Keep the existing position-based enabled binding
  (!view.atYBeginning / !view.atYEnd); disabled arrows grey
  through ActionButton's native disabled opacity, no custom DCI
  state needed.
• Update copyright year range to 2022 - 2026.

Only the Qt6 (qt6/src/qml/) implementation is changed; Qt5 is left
unchanged as v25 ships Qt6 only.

---

修复搜索菜单上下箭头：箭头常驻显示并按滚动位置置灰

ArrowListView 的上下箭头之前使用 visible: itemsView.interactive，
只有菜单可滚动时才显示，否则消失。同时两个箭头 Loader 使用
Layout.preferredHeight: implicitHeight，而 Loader 在 ActionButton
孵化前 implicitHeight 为 0，导致 ColumnLayout 给箭头分配 0 高度、
Qt 判定其不可见——首次打开时上箭头不显示，要等滚动一次后才出现。

ArrowListView.qml

• 删除两个箭头 Loader 的 visible: itemsView.interactive，箭头常驻，
  菜单高度不再因可滚动状态切换而抖动。
• 将 Layout.preferredHeight: implicitHeight 替换为固定的
  DS.Style.arrowListView.stepButtonSize.height，并加同值的
  Layout.minimumHeight，使布局从创建起就为箭头预留高度，不再在
  ActionButton 孵化前塌成 0。
• 新增 spacing: 6（箭头与列表间距）和 anchors.topMargin: 6
  （上箭头与搜索框 header 间距 6 px）。

ArrowListViewButton.qml

• active 改为 true，与箭头常驻保持一致。
• 保留原有的按位置判断的 enabled 绑定（!view.atYBeginning /
  !view.atYEnd），置灰通过 ActionButton 原生 disabled opacity 实现，
  无需额外 DCI disabled 状态。
• 更新版权年份范围至 2022 - 2026。

仅修改 Qt6（qt6/src/qml/）实现，Qt5 保持不变，v25 仅使用 Qt6。

Summary by Sourcery

Ensure ArrowListView arrows remain consistently visible while reflecting whether further scrolling is available.

Bug Fixes:

• Keep ArrowListView navigation arrows present from initial display and automatically grey them based on the current scroll position.

Enhancements:

• Stabilize the menu layout by reserving arrow space and adding consistent spacing around the arrows and list.

Chores:

• Update the Qt6 arrow button copyright year range.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

The Qt6 ArrowListView now keeps both arrows instantiated and visible with stable reserved dimensions, while disabling and greying them according to scroll position; spacing and implicit-height calculations were adjusted to prevent first-open collapse and menu-size jitter.

File-Level Changes

Change	Details	Files
Keep both navigation arrows loaded and reserve their layout space from creation.	Removed scrollability-based visibility gating. Set fixed preferred and minimum heights from the design-system arrow size. Added 6 px spacing between arrows and list, plus a 6 px top margin below the header. Included the top margin in the component's implicit height.	qt6/src/qml/ArrowListView.qml
Make arrow buttons always instantiated while preserving position-based disabled styling.	Set the button Loader active unconditionally. Retained enabled bindings based on the view's top and bottom scroll positions, allowing native disabled opacity to grey arrows. Updated the copyright year range.	qt6/src/qml/private/ArrowListViewButton.qml

---

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[deepin-ci-robot]

Hi @zqq-dora. Thanks for your PR.

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[zqq-dora]

已修正 sizedHeight 公式，对齐改动后的实际布局，消除 ComboBox 下拉打开时的 popup 高度抖动：

• 箭头区高度从 stepButtonIconSize.height(12) 改为 stepButtonSize.height(16)，与实际箭头按钮高度一致
• 去掉 itemsView.count > maxVisibleItems 条件分支，因箭头已常驻，短菜单也占位，公式需无条件计入箭头区
• 补上之前漏算的 contentLayout.anchors.topMargin(6)，与实际布局顶部间距对齐

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: 18202781743, zqq-dora

The full list of commands accepted by this bot can be found here.

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• debian/deepin/OWNERS

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