[tianming-1996]

修复说明

问题

DFloatingWidget 边框在浅色主题下不可见。

根因

dstyle.cpp 中 drawControl(CE_FloatingWidget) 的绘制路径存在一个无条件 p->setPen(Qt::NoPen) 调用（原第 1348 行），该调用在 if-else 块（第 1343-1346 行）设置 frameShadowBorder() 画笔之后执行，直接覆盖了画笔设置，导致：

1. 非动画路径：边框完全不绘制（NoPen 覆盖了 frameShadowBorder 画笔）
2. 动画路径：虽在后续 if 块中补绘边框，但 alpha 值仅 ~10-12%（浅色 12%、深色 10%），近乎不可见

修复

1. 删除无条件的 p->setPen(Qt::NoPen) 调用，恢复 if-else 块设置的 frameShadowBorder() 画笔
2. 将动画路径边框 alpha 值从 ~10-12% 提升至 ~30%，确保动画过程中边框可见

影响

• 仅影响 DFloatingWidget（CE_FloatingWidget）绘制路径
• 不影响其他控件或绘制路径
• 不涉及 API 变更或行为逻辑变更

PMS: BUG-249157

Summary by Sourcery

Restore visible DFloatingWidget borders across static and animated rendering paths, particularly in the light theme.

Bug Fixes:

• Restore DFloatingWidget border visibility by preserving the configured border pen and increasing animated border opacity in both themes.

Chores:

• Update the copyright year range in dstyle.cpp.

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: tianming-1996

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Details

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• debian/deepin/OWNERS

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Fixes DFloatingWidget border visibility by preserving the configured frame-shadow pen in the normal path and increasing animated border opacity to 30%, with changes limited to the CE_FloatingWidget rendering implementation.

Flow diagram for DFloatingWidget border rendering

flowchart TD
    A[CE_FloatingWidget rendering] --> B{Animation active?}
    B -- No --> C[Use frameShadowBorder pen]
    C --> D[Draw rounded widget with visible border]
    B -- Yes --> E[Draw rounded widget]
    E --> F[Apply 30% opacity animation pen]
    F --> G[Draw visible animated border]

Loading

File-Level Changes

Change	Details	Files
Restore the base border pen for floating widgets by removing the unconditional pen reset that suppressed the configured border.	Preserve the light/dark theme frame-shadow border pen through the rounded-rectangle fill and draw operation. Keep background rendering behavior unchanged.	src/widgets/dstyle.cpp
Increase animated floating-widget border contrast so the border remains visible during transitions.	Raise animated border alpha to 30% for both light and dark themes. Retain the existing one-pixel pen and theme-dependent colors.	src/widgets/dstyle.cpp

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