From 61b076a91ccb26f603fda00f4442f3d7afcab24d Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Mon, 25 Aug 2025 16:50:44 +0600
Subject: [PATCH] Fix resizable window toggle on Windows

Also include a hex code on process crashes in the VM manager.
---
 src/qt/qt_mainwindow.cpp       |  5 +++--
 src/qt/qt_styleoverride.cpp    | 10 +++++++++-
 src/qt/qt_styleoverride.hpp    |  2 ++
 src/qt/qt_vmmanager_system.cpp |  2 +-
 4 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/qt/qt_mainwindow.cpp b/src/qt/qt_mainwindow.cpp
index 7f611b9da..1e4025192 100644
--- a/src/qt/qt_mainwindow.cpp
+++ b/src/qt/qt_mainwindow.cpp
@@ -1655,11 +1655,12 @@ MainWindow::focusOutEvent(QFocusEvent *event)
 void
 MainWindow::on_actionResizable_window_triggered(bool checked)
 {
+    hide();
     if (checked) {
         vid_resize = 1;
-        setWindowFlag(Qt::WindowMaximizeButtonHint, true);
-        setWindowFlag(Qt::MSWindowsFixedSizeDialogHint, false);
         setFixedSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
+        setWindowFlag(Qt::MSWindowsFixedSizeDialogHint, false);
+        setWindowFlag(Qt::WindowMaximizeButtonHint, true);
         for (int i = 1; i < MONITORS_NUM; i++) {
             if (monitors[i].target_buffer) {
                 renderers[i]->setWindowFlag(Qt::WindowMaximizeButtonHint, true);
diff --git a/src/qt/qt_styleoverride.cpp b/src/qt/qt_styleoverride.cpp
index 2da0342bb..681114c4b 100644
--- a/src/qt/qt_styleoverride.cpp
+++ b/src/qt/qt_styleoverride.cpp
@@ -22,6 +22,7 @@
 #include <QPixmap>
 #include <QIcon>
 #include <QStyleOption>
+#include <QMainWindow>
 
 extern "C" {
 #include <86box/86box.h>
@@ -61,7 +62,14 @@ StyleOverride::polish(QWidget *widget)
                 widget->setFixedSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
                 widget->layout()->setSizeConstraint(QLayout::SetFixedSize);
             }
-            widget->setWindowFlag(Qt::MSWindowsFixedSizeDialogHint, true);
+            if (!qobject_cast<QMainWindow *>(widget)) {
+                widget->setWindowFlag(Qt::MSWindowsFixedSizeDialogHint, true);
+            }
+
+            if (qobject_cast<QMainWindow *>(widget)) {
+                widget->setWindowFlag(Qt::MSWindowsFixedSizeDialogHint, vid_resize != 1);
+                widget->setWindowFlag(Qt::WindowMaximizeButtonHint, vid_resize == 1);
+            }
         }
         widget->setWindowFlag(Qt::WindowContextHelpButtonHint, false);
 #ifdef Q_OS_WINDOWS
diff --git a/src/qt/qt_styleoverride.hpp b/src/qt/qt_styleoverride.hpp
index 840aa6ad6..994271f15 100644
--- a/src/qt/qt_styleoverride.hpp
+++ b/src/qt/qt_styleoverride.hpp
@@ -10,6 +10,8 @@
 
 class StyleOverride : public QProxyStyle {
 public:
+    using QProxyStyle::QProxyStyle;
+
     int styleHint(
         StyleHint           hint,
         const QStyleOption *option     = nullptr,
diff --git a/src/qt/qt_vmmanager_system.cpp b/src/qt/qt_vmmanager_system.cpp
index 61c52b1b0..f6be6b0d4 100644
--- a/src/qt/qt_vmmanager_system.cpp
+++ b/src/qt/qt_vmmanager_system.cpp
@@ -491,7 +491,7 @@ VMManagerSystem::launchSettings() {
         if (exitCode != 0 || exitStatus != QProcess::NormalExit) {
             qInfo().nospace().noquote() << "Abnormal program termination while launching settings: exit code " <<  exitCode << ", exit status " << exitStatus;
             QMessageBox::critical(this, tr("Virtual machine crash"),
-                                        tr("The virtual machine \"%1\"'s process has unexpectedly terminated with exit code %2.").arg(displayName, QString::number(exitCode)));
+                                        tr("The virtual machine \"%1\"'s process has unexpectedly terminated with exit code %2.").arg(displayName, QString::number(exitCode) + QString(" (0x%1)").arg(QString::number(exitCode, 16))));
             return;
         }