From bd3bb1d4d8fc9af3b9fe534d085f54d45aa50627 Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周四, 14 12月 2023 21:29:34 +0800
Subject: [PATCH] fix macos bug

---
 src/widgets/widgetitemdelegate.cpp |   45 ++++++++++++++++++++++++---------------------
 1 files changed, 24 insertions(+), 21 deletions(-)

diff --git a/src/widgets/widgetitemdelegate.cpp b/src/widgets/widgetitemdelegate.cpp
index bfa730c..ca8bb99 100644
--- a/src/widgets/widgetitemdelegate.cpp
+++ b/src/widgets/widgetitemdelegate.cpp
@@ -13,15 +13,15 @@
     WidgetItemDelegate::~WidgetItemDelegate() = default;
 
     QWindow *WidgetItemDelegate::window(QObject *obj) const {
-        return static_cast<QWidget *>(obj)->windowHandle();
+        return static_cast<const QWidget *>(obj)->windowHandle();
     }
 
-    bool WidgetItemDelegate::isEnabled(QObject *obj) const {
-        return static_cast<QWidget *>(obj)->isEnabled();
+    bool WidgetItemDelegate::isEnabled(const QObject *obj) const {
+        return static_cast<const QWidget *>(obj)->isEnabled();
     }
 
-    bool WidgetItemDelegate::isVisible(QObject *obj) const {
-        return static_cast<QWidget *>(obj)->isVisible();
+    bool WidgetItemDelegate::isVisible(const QObject *obj) const {
+        return static_cast<const QWidget *>(obj)->isVisible();
     }
 
     QRect WidgetItemDelegate::mapGeometryToScene(const QObject *obj) const {
@@ -32,11 +32,11 @@
     }
 
     QWindow *WidgetItemDelegate::hostWindow(QObject *host) const {
-        return static_cast<QWidget *>(host)->windowHandle();
+        return static_cast<const QWidget *>(host)->windowHandle();
     }
 
-    bool WidgetItemDelegate::isHostSizeFixed(QObject *host) const {
-        const auto widget = static_cast<QWidget *>(host);
+    bool WidgetItemDelegate::isHostSizeFixed(const QObject *host) const {
+        const auto widget = static_cast<const QWidget *>(host);
         // "Qt::MSWindowsFixedSizeDialogHint" is used cross-platform actually.
         if (widget->windowFlags() & Qt::MSWindowsFixedSizeDialogHint) {
             return true;
@@ -49,25 +49,28 @@
         }
         // Usually set by the user.
         const QSizePolicy sizePolicy = widget->sizePolicy();
-        if ((sizePolicy.horizontalPolicy() == QSizePolicy::Fixed)
-            && (sizePolicy.verticalPolicy() == QSizePolicy::Fixed)) {
+        if ((sizePolicy.horizontalPolicy() == QSizePolicy::Fixed) &&
+            (sizePolicy.verticalPolicy() == QSizePolicy::Fixed)) {
             return true;
         }
         return false;
     }
 
-    bool WidgetItemDelegate::resetQtGrabbedControl() const {
-        if (qt_button_down) {
-            static constexpr const auto invalidPos = QPoint{-99999, -99999};
-            const auto event =
-                new QMouseEvent(QEvent::MouseButtonRelease, invalidPos, invalidPos, invalidPos,
-                                Qt::LeftButton, QGuiApplication::mouseButtons() ^ Qt::LeftButton,
-                                QGuiApplication::keyboardModifiers());
-            QApplication::postEvent(qt_button_down, event);
-            qt_button_down = nullptr;
-            return true;
+    bool WidgetItemDelegate::isWindowActive(const QObject *host) const {
+        return static_cast<const QWidget *>(host)->isActiveWindow();
+    }
+
+    void WidgetItemDelegate::resetQtGrabbedControl() const {
+        if (!qt_button_down) {
+            return;
         }
-        return false;
+        static constexpr const auto invalidPos =
+            QPoint{std::numeric_limits<int>::lowest(), std::numeric_limits<int>::lowest()};
+        const auto event = new QMouseEvent(
+            QEvent::MouseButtonRelease, invalidPos, invalidPos, invalidPos, Qt::LeftButton,
+            QGuiApplication::mouseButtons() ^ Qt::LeftButton, QGuiApplication::keyboardModifiers());
+        QApplication::postEvent(qt_button_down, event);
+        qt_button_down = nullptr;
     }
 
 }
\ No newline at end of file

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