Better monitoring of Objective-C objects (including main GUI objects).

button_darwin.m

@@ -1,6 +1,19 @@
 // 7 april 2015
 #import "uipriv_darwin.h"
 
+#ifdef uiLogAllocations
+@interface loggingNSButton : NSButton
+@end
+
+@implementation loggingNSButton
+
+uiLogObjCClassAllocations
+
+@end
+#else
+#define loggingNSButton NSButton
+#endif
+
 @interface button : NSObject
 @property uiControl *c;
 @property void (*onClicked)(uiControl *, void *);
@@ -30,7 +43,7 @@ uiControl *uiNewButton(const char *text)
 	NSButton *bb;
 
 	b = [button new];
-	b.c = uiDarwinNewControl([NSButton class], NO, NO, b);
+	b.c = uiDarwinNewControl([loggingNSButton class], NO, NO, b);
 
 	bb = (NSButton *) uiControlHandle(b.c);
 	[bb setTitle:toNSString(text)];

uipriv_darwin.h

@@ -11,14 +11,16 @@
 struct uiSizing {
 };
 
+// TODO see if we can override alloc instead
 #ifdef uiLogAllocations
 #import <stdio.h>
 #define uiLogObjCClassAllocations \
-- (id)init \
++ (id)alloc \
 { \
-	self = [super init]; \
-	fprintf(stderr, "%p alloc %s\n", self, [[self className] UTF8String]); \
-	return self; \
+	id thing; \
+	thing = [super alloc]; \
+	fprintf(stderr, "%p alloc %s\n", thing, [[self className] UTF8String]); \
+	return thing; \
 } \
 - (void)dealloc \
 { \

window_darwin.m

@@ -4,6 +4,19 @@
 // TODO
 // - showing on size
 
+#ifdef uiLogAllocations
+@interface loggingNSWindow : NSWindow
+@end
+
+@implementation loggingNSWindow
+
+uiLogObjCClassAllocations
+
+@end
+#else
+#define loggingNSWindow NSWindow
+#endif
+
 @interface uiWindowDelegate : NSObject <NSWindowDelegate>
 @property uiWindow *w;
 @property int (*onClosing)(uiWindow *, void *);
@@ -14,7 +27,6 @@
 
 uiLogObjCClassAllocations
 
-// TODO will this *destroy* the window?
 - (BOOL)windowShouldClose:(id)win
 {
 	// return exact constants to be safe
@@ -23,6 +35,11 @@ uiLogObjCClassAllocations
 	return NO;
 }
 
+- (void)windowWillClose:(NSNotification *)note
+{
+	[self release];
+}
+
 @end
 
 struct uiWindow {
@@ -43,13 +60,16 @@ uiWindow *uiNewWindow(char *title, int width, int height)
 
 	w = uiNew(uiWindow);
 
-	w->w = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, (CGFloat) width, (CGFloat) height)
+	w->w = [[loggingNSWindow alloc] initWithContentRect:NSMakeRect(0, 0, (CGFloat) width, (CGFloat) height)
 		styleMask:(NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask)
 		backing:NSBackingStoreBuffered
 		defer:YES];
 	[w->w setTitle:toNSString(title)];
 	// TODO substitutions
 
+	// this is what will destroy the window on close
+	[w->w setReleasedWhenClosed:YES];
+
 	w->container = [[uiContainer alloc] initWithFrame:NSZeroRect];
 	[w->w setContentView:((NSView *) w->container)];
 
@@ -63,8 +83,7 @@ uiWindow *uiNewWindow(char *title, int width, int height)
 
 void uiWindowDestroy(uiWindow *w)
 {
-	// TODO
-	// TODO will w->d be destroyed?
+	[w->w close];
 }
 
 uintptr_t uiWindowHandle(uiWindow *w)