From 1da42bc25d414b52de0996608cbaf59c5cd3bf81 Mon Sep 17 00:00:00 2001 From: Norwegian Rock Cat Date: Tue, 7 Apr 2009 15:30:12 +0200 Subject: BT: Prevent a crash in Designer when quiting when in the filter edit. Gah, my original change (f5ef0eb1a6543abdd29e07c23de7fa1128f6d623) had its heart in the right place, but it seems that it can cause crashes on closing where we refuse to give up the first responder and we end up with a dangling pointer. This lets that case happen (when we have no focus widget and are setting a nil first responder, there's no reason to stop that, but it refuses to do that when we do have a focus widget. Hopefully we don't get in a situation where our focus widget gets out of sync. Reviewed-by: Prasanth Ullattil (cherry picked from commit 773c4d326c24f8db12ab58e379bd223ce1126d72) --- src/gui/kernel/qcocoapanel_mac.mm | 5 +++-- src/gui/kernel/qcocoawindow_mac.mm | 4 +++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/src/gui/kernel/qcocoapanel_mac.mm b/src/gui/kernel/qcocoapanel_mac.mm index c17b30c..95e20af 100644 --- a/src/gui/kernel/qcocoapanel_mac.mm +++ b/src/gui/kernel/qcocoapanel_mac.mm @@ -157,10 +157,11 @@ QT_USE_NAMESPACE [self release]; } - - (BOOL)makeFirstResponder:(NSResponder *)responder { - if (responder == nil) + // For some reason Cocoa wants to flip the first responder + // when Qt doesn't want to, sorry, but "No" :-) + if (responder == nil && qApp->focusWidget()) return NO; return [super makeFirstResponder:responder]; } diff --git a/src/gui/kernel/qcocoawindow_mac.mm b/src/gui/kernel/qcocoawindow_mac.mm index ba121cd..e7b76a7 100644 --- a/src/gui/kernel/qcocoawindow_mac.mm +++ b/src/gui/kernel/qcocoawindow_mac.mm @@ -182,7 +182,9 @@ extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview. - (BOOL)makeFirstResponder:(NSResponder *)responder { - if (responder == nil) + // For some reason Cocoa wants to flip the first responder + // when Qt doesn't want to, sorry, but "No" :-) + if (responder == nil && qApp->focusWidget()) return NO; return [super makeFirstResponder:responder]; } -- cgit v0.12