From b2ec3459c7360ed554bef15c159ad8f825209f78 Mon Sep 17 00:00:00 2001
From: gaozheng <gaozheng.cn@gmail.com>
Date: Wed, 10 Jun 2026 16:14:51 +0800
Subject: [PATCH] =?UTF-8?q?fix(canvas):=20=E8=A7=86=E5=9B=BE=E8=AF=A6?=
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---
 src/app/main.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/app/main.cpp b/src/app/main.cpp
index 043e289..478a4d1 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -351,7 +351,9 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
     layerPanel->setFrameShape(QFrame::StyledPanel);
     geopro::app::applyTokenizedStyleSheet(
         layerPanel,
-        QStringLiteral("QFrame{background:{{canvas/bg-soft}};border:1px solid {{canvas/grid}};border-radius:8px;}"
+        // 不设 border-radius：浮层是 centerWidget 的子控件，悬于原生 GL 画布上，圆角四角处会
+        // 露出父级浅底（浅色模式下即四个白直角）。改为直角矩形，不透明底铺满整块，无四角伪影。
+        QStringLiteral("QFrame{background:{{canvas/bg-soft}};border:1px solid {{canvas/grid}};}"
                        "QCheckBox{padding:2px 1px;color:{{canvas/text}};}"
                        "QCheckBox:disabled{color:{{canvas/text-dim}};}"));
     auto* layerLayout = new QVBoxLayout(layerPanel);