3 files changed, 6 insertions, 1 deletions
diff --git a/src/gui/kernel/qplatformintegration.cpp b/src/gui/kernel/qplatformintegration.cpp
index e583606e41..08a3b63ee4 100644
--- a/src/gui/kernel/qplatformintegration.cpp
+++ b/src/gui/kernel/qplatformintegration.cpp
@@ -343,6 +343,8 @@ QVariant QPlatformIntegration::styleHint(StyleHint hint) const
         return QPlatformTheme::defaultThemeHint(QPlatformTheme::StartDragTime);
     case ShowIsFullScreen:
         return false;
+    case ShowIsMaximized:
+        return false;
     case PasswordMaskDelay:
         return QPlatformTheme::defaultThemeHint(QPlatformTheme::PasswordMaskDelay);
     case PasswordMaskCharacter:
diff --git a/src/gui/kernel/qplatformintegration.h b/src/gui/kernel/qplatformintegration.h
index 4be675a37a..d397270c10 100644
--- a/src/gui/kernel/qplatformintegration.h
+++ b/src/gui/kernel/qplatformintegration.h
@@ -147,7 +147,8 @@ public:
         UseRtlExtensions,
         SynthesizeMouseFromTouchEvents,
         PasswordMaskCharacter,
-        SetFocusOnTouchRelease
+        SetFocusOnTouchRelease,
+        ShowIsMaximized
     };
 
     virtual QVariant styleHint(StyleHint hint) const;
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp
index a3841d3cfb..e0e1638d75 100644
--- a/src/gui/kernel/qwindow.cpp
+++ b/src/gui/kernel/qwindow.cpp
@@ -1657,6 +1657,8 @@ void QWindow::show()
     bool isPopup = d_func()->windowFlags & Qt::Popup & ~Qt::Window;
     if (!isPopup && qApp->styleHints()->showIsFullScreen())
         showFullScreen();
+    else if (!isPopup && QGuiApplicationPrivate::platformIntegration()->styleHint(QPlatformIntegration::ShowIsMaximized).toBool())
+        showMaximized();
     else
         showNormal();
 }