diff options
| -rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index 20000ea0a9..7a68cdeb47 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -203,17 +203,16 @@ static inline QSize clientSize(HWND hwnd) return qSizeOfRect(rect); } -// from qwidget_win.cpp/maximum layout size check removed. -static bool shouldShowMaximizeButton(Qt::WindowFlags flags) +// from qwidget_win.cpp +static bool shouldShowMaximizeButton(const QWindow *w) { - if (flags & Qt::MSWindowsFixedSizeDialogHint) + const Qt::WindowFlags flags = w->flags(); + if ((flags & Qt::MSWindowsFixedSizeDialogHint) || !(flags & Qt::WindowMaximizeButtonHint)) return false; // if the user explicitly asked for the maximize button, we try to add // it even if the window has fixed size. - if (flags & Qt::CustomizeWindowHint && - flags & Qt::WindowMaximizeButtonHint) - return true; - return flags & Qt::WindowMaximizeButtonHint; + return (flags & Qt::CustomizeWindowHint) || + w->maximumSize() == QSize(QWINDOWSIZE_MAX, QWINDOWSIZE_MAX); } // Set the WS_EX_LAYERED flag on a HWND if required. This is required for @@ -432,7 +431,7 @@ void WindowCreationData::fromWindow(const QWindow *w, const Qt::WindowFlags flag style |= WS_SYSMENU; if (flags & Qt::WindowMinimizeButtonHint) style |= WS_MINIMIZEBOX; - if (shouldShowMaximizeButton(flags)) + if (shouldShowMaximizeButton(w)) style |= WS_MAXIMIZEBOX; if (tool) exStyle |= WS_EX_TOOLWINDOW; |