Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Avoid crashing when using wxOverlay under macOS 10.14

Browse Source 
Retain the graphics context for the helper overlay window as otherwise
it gets released leaving us with a dangling pointer.

Unfortunately this still doesn't make the existing code actually work.

See #18399.
This commit is contained in:
Vadim Zeitlin
2019-10-20 17:52:04 +02:00
parent ad6799f249
commit 8b95467256
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/osx/cocoa/overlay.mm
View File

@@ -114,6 +114,7 @@ void wxOverlayImpl::Init( wxDC* dc, int x , int y , int width , int height )
wxASSERT_MSG(m_overlayWindow != NULL, _("Couldn't create the overlay window"));
m_overlayContext = (CGContextRef) [[m_overlayWindow graphicsContext] graphicsPort];
wxASSERT_MSG( m_overlayContext != NULL , _("Couldn't init the context on the overlay window") );
[(id)m_overlayContext retain];
}
void wxOverlayImpl::BeginDrawing( wxDC* dc)
@@ -167,6 +168,7 @@ void wxOverlayImpl::Reset()
{
if ( m_overlayContext )
{
[(id)m_overlayContext release];
m_overlayContext = NULL ;
}