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commit 094ab05af997f7d9acd5134168429630dd6e0b94
Author: Cedric BAIL <[email protected]>
AuthorDate: Tue Apr 7 12:22:00 2026 -0600
ecore_cocoa: disable automatic window tabbing on macOS
macOS Sierra+ merges new windows into tabs by default. EFL
applications manage their own window lifecycle, so disable
this system behavior globally at init time via
NSWindow.allowsAutomaticWindowTabbing.
---
src/lib/ecore_cocoa/ecore_cocoa.m | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/lib/ecore_cocoa/ecore_cocoa.m b/src/lib/ecore_cocoa/ecore_cocoa.m
index 6b81ea0908..5469035651 100644
--- a/src/lib/ecore_cocoa/ecore_cocoa.m
+++ b/src/lib/ecore_cocoa/ecore_cocoa.m
@@ -61,6 +61,12 @@ ecore_cocoa_init(void)
[Ecore_Cocoa_Application sharedApplication];
[NSApp setDelegate:[Ecore_Cocoa_AppDelegate appDelegate]];
+ /* Disable macOS automatic window tabbing (Sierra+). EFL applications
+ * manage their own window/tab lifecycle, so we do not want the system
+ * to silently merge new windows into a single tabbed frame. */
+ if (@available(macOS 10.12, *))
+ [NSWindow setAllowsAutomaticWindowTabbing:NO];
+
/* Start events monitoring */
[NSApp run];
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