// 4 august 2014 #include "objc_darwin.h" #include "_cgo_export.h" #include // calling -[className] on the content views of NSWindow, NSTabItem, and NSBox all return NSView, so I'm assuming I just need to override these // fornunately: // - NSWindow resizing calls -[setFrameSize:] (but not -[setFrame:]) // - NSTab resizing calls both -[setFrame:] and -[setFrameSIze:] on the current tab // - NSTab switching tabs calls both -[setFrame:] and -[setFrameSize:] on the new tab // so we just override setFrameSize: @interface goContainerView : NSView { @public void *gocontainer; } @end @implementation goContainerView - (void)setFrameSize:(NSSize)s { NSLog(@"setFrameSize %@", NSStringFromSize(s)); [super setFrameSize:s]; if (self->gocontainer != NULL) containerResized(self->gocontainer, (intptr_t) s.width, (intptr_t) s.height); } @end id newContainerView(void *gocontainer) { goContainerView *c; c = [[goContainerView alloc] initWithFrame:NSMakeRect(0, 0, 100, 100)]; c->gocontainer = gocontainer; return (id) c; }