From 29901fc2a97eedd3c914f807d1819c9ea7e69973 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周一, 25 12月 2023 17:53:34 +0800
Subject: [PATCH] Optimize Windows 10 border handling

---
 examples/mainwindow/mainwindow.cpp |   30 ++++++++++++++++++++++++++----
 1 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/examples/mainwindow/mainwindow.cpp b/examples/mainwindow/mainwindow.cpp
index 7faf057..6a7435e 100644
--- a/examples/mainwindow/mainwindow.cpp
+++ b/examples/mainwindow/mainwindow.cpp
@@ -20,6 +20,10 @@
 #include <widgetframe/windowbar.h>
 #include <widgetframe/windowbutton.h>
 
+#ifdef Q_OS_WINDOWS
+#  include <QWKCore/qwindowkit_windows.h>
+#endif
+
 class ClockWidget : public QLabel {
 public:
     explicit ClockWidget(QWidget *parent = nullptr) : QLabel(parent) {
@@ -115,6 +119,16 @@
     windowAgent = new QWK::WidgetWindowAgent(this);
     windowAgent->setup(this);
 
+#ifdef Q_OS_WIN
+    if (QWK::IsWindows10OrGreater_Real() && !QWK::IsWindows11OrGreater_Real()) {
+        // windowAgent->setWindowAttribute(QStringLiteral("dark-mode"), true);
+
+        // https://github.com/microsoft/terminal/blob/71a6f26e6ece656084e87de1a528c4a8072eeabd/src/cascadia/WindowsTerminal/NonClientIslandWindow.cpp#L940
+        // Must call DWM API to extend top frame to client area
+        windowAgent->setWindowAttribute(QStringLiteral("extra-margins"), true);
+    }
+#endif
+
     // 2. Construct your title bar
     auto menuBar = [this]() {
         auto menuBar = new QMenuBar();
@@ -143,7 +157,9 @@
         auto dwmBlurAction = new QAction(tr("Enable DWM blur"), menuBar);
         dwmBlurAction->setCheckable(true);
         connect(dwmBlurAction, &QAction::triggered, this, [this](bool checked) {
-            windowAgent->setWindowAttribute(QStringLiteral("dwm-blur"), checked);
+            if (!windowAgent->setWindowAttribute(QStringLiteral("dwm-blur"), checked)) {
+                return;
+            }
             setProperty("custom-style", checked);
             style()->polish(this);
         });
@@ -151,7 +167,9 @@
         auto acrylicAction = new QAction(tr("Enable acrylic material"), menuBar);
         acrylicAction->setCheckable(true);
         connect(acrylicAction, &QAction::triggered, this, [this](bool checked) {
-            windowAgent->setWindowAttribute(QStringLiteral("acrylic-material"), QColor::fromRgbF(1.f, 1.f, 1.f, 0.6f));
+            if (!windowAgent->setWindowAttribute(QStringLiteral("acrylic-material"), true)) {
+                return;
+            }
             setProperty("custom-style", checked);
             style()->polish(this);
         });
@@ -159,7 +177,9 @@
         auto micaAction = new QAction(tr("Enable mica"), menuBar);
         micaAction->setCheckable(true);
         connect(micaAction, &QAction::triggered, this, [this](bool checked) {
-            windowAgent->setWindowAttribute(QStringLiteral("mica"), checked);
+            if (!windowAgent->setWindowAttribute(QStringLiteral("mica"), checked)) {
+                return;
+            }
             setProperty("custom-style", checked);
             style()->polish(this);
         });
@@ -167,7 +187,9 @@
         auto micaAltAction = new QAction(tr("Enable mica alt"), menuBar);
         micaAltAction->setCheckable(true);
         connect(micaAltAction, &QAction::triggered, this, [this](bool checked) {
-            windowAgent->setWindowAttribute(QStringLiteral("mica-alt"), checked);
+            if (!windowAgent->setWindowAttribute(QStringLiteral("mica-alt"), checked)) {
+                return;
+            }
             setProperty("custom-style", checked);
             style()->polish(this);
         });

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