Made other windows get events when a dialog is running on OS X. Of course I only now realize this creates a recursiion problem...

darwin/stddialogs.m

@@ -1,8 +1,6 @@
 // 26 june 2015
 #import "uipriv_darwin.h"
 
-// TODO while a dialog is running no other window receives events
-
 #define windowWindow(w) ((NSWindow *) uiControlHandle(uiControl(w)))
 
 // source of code modal logic: http://stackoverflow.com/questions/604768/wait-for-nsalert-beginsheetmodalforwindow
@@ -20,11 +18,16 @@ static void setupSavePanel(NSSavePanel *s)
 static char *runSavePanel(NSWindow *parent, NSSavePanel *s)
 {
 	char *filename;
+	NSInteger res;
 
+	// TODO formalize in headers
+	[(id)parent setWorksWhenModal:NO];
 	[s beginSheetModalForWindow:parent completionHandler:^(NSInteger result) {
 		[realNSApp() stopModalWithCode:result];
 	}];
-	if ([realNSApp() runModalForWindow:s] != NSFileHandlingPanelOKButton)
+	res = [realNSApp() runModalForWindow:s];
+	[(id)parent setWorksWhenModal:YES];
+	if (res != NSFileHandlingPanelOKButton)
 		return NULL;
 	filename = uiDarwinNSStringToText([[s URL] path]);
 	return filename;
@@ -78,11 +81,17 @@ char *uiSaveFile(uiWindow *parent)
 
 - (NSInteger)run
 {
+	NSInteger res;
+
+	// TODO like above
+	[(id)(self->parent) setWorksWhenModal:NO];
 	[self->panel beginSheetModalForWindow:self->parent
 		modalDelegate:self
 		didEndSelector:@selector(panelEnded:result:data:)
 		contextInfo:NULL];
-	return [realNSApp() runModalForWindow:[self->panel window]];
+	res = [realNSApp() runModalForWindow:[self->panel window]];
+	[(id)(self->parent) setWorksWhenModal:YES];
+	return res;
 }
 
 - (void)panelEnded:(NSAlert *)panel result:(NSInteger)result data:(void *)data

darwin/window.m

@@ -1,9 +1,16 @@
 // 15 august 2015
 #import "uipriv_darwin.h"
 
+// don't stop other windows from working when one is modal
+@interface modalWindow : NSWindow {
+	BOOL worksModal;
+}
+- (BOOL)setWorksWhenModal:(BOOL)wwm;
+@end
+
 struct uiWindow {
 	uiDarwinControl c;
-	NSWindow *window;
+	modalWindow *window;
 	uiControl *child;
 	int margined;
 	int (*onClosing)(uiWindow *, void *);
@@ -11,6 +18,20 @@ struct uiWindow {
 	struct singleChildConstraints constraints;
 };
 
+@implementation modalWindow
+
+- (BOOL)worksWhenModal
+{
+	return self->worksModal;
+}
+
+- (void)setWorksWhenModal:(BOOL)wwm
+{
+	self->worksModal = wwm;
+}
+
+@end
+
 @interface windowDelegateClass : NSObject<NSWindowDelegate> {
 	struct mapTable *windows;
 }
@@ -242,12 +263,15 @@ uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
 
 	uiDarwinNewControl(uiWindow, w);
 
-	w->window = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, (CGFloat) width, (CGFloat) height)
+	w->window = [[modalWindow alloc] initWithContentRect:NSMakeRect(0, 0, (CGFloat) width, (CGFloat) height)
 		styleMask:(NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask)
 		backing:NSBackingStoreBuffered
 		defer:YES];
 	[w->window setTitle:toNSString(title)];
 
+	// default is to work when modal; only the modal owner window should not work when modal
+	[w->window setWorksWhenModal:YES];
+
 	// explicitly release when closed
 	// the only thing that closes the window is us anyway
 	[w->window setReleasedWhenClosed:YES];