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Code Issues Releases Wiki Activity

Adding comments to explain the stack trace when using FileDialog

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This commit is contained in:
Leland Lucius 2021-02-17 14:28:08 -06:00
parent 449d0932fa
commit 5357161238
1 changed files with 13 additions and 0 deletions
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13
src/widgets/FileDialog/mac/FileDialogPrivate.mm
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@ -367,6 +367,19 @@ void FileDialog::SetupExtraControls(WXWindow nativeWindow)
{
wxBoxSizer *verticalSizer = new wxBoxSizer( wxVERTICAL );
// FINALLY FOUND IT! Creating the panel with "this" as the parent causes
// an exception and stack trace to be printed to stderr:
//
// 2021-02-17 13:52:14.550 Audacity[69217:891282] warning: <NSRemoteView: 0x7f92f4e67410 com.apple.appkit.xpc.openAndSavePanelService ((null)) NSSavePanelService> ignoring attempt to mutate its subviews (
// 0 ViewBridge 0x00007fff6596685d -[NSRemoteView _announceSubviewMutationDisallowed] + 29
// 1 libwx_osx_cocoau_debug_core-3.1.3.0 0x0000000111c3abf1 _ZN17wxWidgetCocoaImpl5EmbedEP12wxWidgetImpl + 177
//
// It's because wxPanel tries to embed the wxPanel into the NSSavePanel and
// that's not allowed. Everything still works fine, so it can be ignored.
// But, if you want to dig into it further, changing the "this" parent to
// GetParent() gets rid of the exception. However, events from the extra
// controls in the accessory view do not get handled correctly.
m_filterPanel = new wxPanel( this, wxID_ANY );
accView = m_filterPanel->GetHandle();