Brendan Shanks : winemac.drv: Fix minimizing windows programmatically from Win32 when Stage Manager is enabled.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ffdbd8357f71c515b9643d400eb43547cf235905
URL:    https://gitlab.winehq.org/wine/wine/-/commit/ffdbd8357f71c515b9643d400eb4354...

Author: Brendan Shanks <bshanks(a)codeweavers.com>
Date:   Fri Nov  3 14:02:03 2023 -0700

winemac.drv: Fix minimizing windows programmatically from Win32 when Stage Manager is enabled.

---

 dlls/winemac.drv/cocoa_window.m | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dlls/winemac.drv/cocoa_window.m b/dlls/winemac.drv/cocoa_window.m
index 820bb606769..1655ea98ef7 100644
--- a/dlls/winemac.drv/cocoa_window.m
+++ b/dlls/winemac.drv/cocoa_window.m
@@ -1340,10 +1340,20 @@ static CVReturn WineDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTi
             {
                 if ([self wouldBeVisible])
                 {
-                    if ([self styleMask] & NSWindowStyleMaskFullScreen)
+                    if (([self styleMask] & NSWindowStyleMaskFullScreen) || stage_manager_enabled())
                     {
                         [self postDidUnminimizeEvent];
                         discard &= ~event_mask_for_type(WINDOW_DID_UNMINIMIZE);
+
+                        /* When Stage Manager is enabled, it's not possible to minimize the window
+                         * (miniaturize: just moves the window to the background).
+                         * Post an unminimize event, then miniaturize:.
+                         */
+                        if (stage_manager_enabled())
+                        {
+                            [self setStyleMask:([self styleMask] | NSWindowStyleMaskMiniaturizable)];
+                            [super miniaturize:nil];
+                        }
                     }
                     else
                     {