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-rw-r--r--src/plugins/platforms/cocoa/qcocoawindow.mm5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
index 72f3bc0075..e350d7db51 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -505,7 +505,10 @@ NSUInteger QCocoaWindow::windowStyleMask(Qt::WindowFlags flags)
{
const Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
const bool frameless = (flags & Qt::FramelessWindowHint) || windowIsPopupType(type);
- const bool resizeable = !(flags & Qt::CustomizeWindowHint); // Remove zoom button by disabling resize
+
+ // Remove zoom button by disabling resize for CustomizeWindowHint windows, except for
+ // Qt::Tool windows (e.g. dock windows) which should always be resizeable.
+ const bool resizeable = !(flags & Qt::CustomizeWindowHint) || (type == Qt::Tool);
// Select base window type. Note that the value of NSBorderlessWindowMask is 0.
NSUInteger styleMask = (frameless || !resizeable) ? NSBorderlessWindowMask : NSResizableWindowMask;