发布前托管重绘与布局封版收口
收口 Dialog/overlay 后鼠标状态同步、Tooltip 临时 coverage 与持久 coverage 拆分、跨 root 脏区补提交、TextBox/Button 绘制副作用修复,并补充 KEY6 回归用例和 BUG/Fix/Feature 开发记录。
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@@ -79,6 +79,7 @@ public:
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void requestRepaint(Control* parent)override;
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bool hasManagedDirtySubtree() const override;
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RECT getManagedRepaintCoverageRect() const override;
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RECT getManagedRepaintPersistentCoverageRect() const override;
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// 判断当前 Canvas 是否可安全做局部提交
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bool canCommitManagedPartialRepaint() const override;
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// 托管收口阶段执行 Canvas 的真正重绘
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