From 8b1189f7a8096048f597c16fa88aa898e0f79178 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 8 Mar 2020 12:33:57 +0100
Subject: Mac: Fix stub backend

---
 pugl/detail/mac.m      | 17 ---------
 pugl/detail/mac_stub.m | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++
 wscript                |  4 +++
 3 files changed, 100 insertions(+), 17 deletions(-)
 create mode 100644 pugl/detail/mac_stub.m

diff --git a/pugl/detail/mac.m b/pugl/detail/mac.m
index 5f2f31e..c844d26 100644
--- a/pugl/detail/mac.m
+++ b/pugl/detail/mac.m
@@ -24,7 +24,6 @@
 #include "pugl/detail/implementation.h"
 #include "pugl/detail/mac.h"
 #include "pugl/pugl.h"
-#include "pugl/pugl_stub.h"
 
 #import <Cocoa/Cocoa.h>
 
@@ -1085,19 +1084,3 @@ puglSetClipboard(PuglView* const   view,
 
 	return PUGL_SUCCESS;
 }
-
-const PuglBackend*
-puglStubBackend(void)
-{
-	static const PuglBackend backend = {
-	    puglStubConfigure,
-	    puglStubCreate,
-	    puglStubDestroy,
-	    puglStubEnter,
-	    puglStubLeave,
-	    puglStubResize,
-	    puglStubGetContext,
-	};
-
-	return &backend;
-}
diff --git a/pugl/detail/mac_stub.m b/pugl/detail/mac_stub.m
new file mode 100644
index 0000000..4ed246b
--- /dev/null
+++ b/pugl/detail/mac_stub.m
@@ -0,0 +1,96 @@
+/*
+  Copyright 2019-2020 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/**
+   @file mac_stub.m Stub graphics backend for MacOS.
+*/
+
+#include "pugl/detail/implementation.h"
+#include "pugl/detail/mac.h"
+#include "pugl/pugl_stub.h"
+
+#import <Cocoa/Cocoa.h>
+
+@interface PuglStubView : NSView
+{
+@public
+	PuglView* puglview;
+}
+
+@end
+
+@implementation PuglStubView
+
+- (void) resizeWithOldSuperviewSize:(NSSize)oldSize
+{
+	PuglWrapperView* wrapper = (PuglWrapperView*)[self superview];
+
+	[super resizeWithOldSuperviewSize:oldSize];
+	[wrapper setReshaped];
+}
+
+- (void) drawRect:(NSRect)rect
+{
+	PuglWrapperView* wrapper = (PuglWrapperView*)[self superview];
+
+	[wrapper dispatchExpose:rect];
+}
+
+@end
+
+static PuglStatus
+puglMacStubCreate(PuglView* view)
+{
+	PuglInternals* impl    = view->impl;
+	PuglStubView* drawView = [PuglStubView alloc];
+
+	drawView->puglview = view;
+	[drawView initWithFrame:NSMakeRect(0, 0, view->frame.width, view->frame.height)];
+	if (view->hints[PUGL_RESIZABLE]) {
+		[drawView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
+	} else {
+		[drawView setAutoresizingMask:NSViewNotSizable];
+	}
+
+	impl->drawView = drawView;
+	return PUGL_SUCCESS;
+}
+
+static PuglStatus
+puglMacStubDestroy(PuglView* view)
+{
+	PuglStubView* const drawView = (PuglStubView*)view->impl->drawView;
+
+	[drawView removeFromSuperview];
+	[drawView release];
+
+	view->impl->drawView = nil;
+	return PUGL_SUCCESS;
+}
+
+const PuglBackend*
+puglStubBackend(void)
+{
+	static const PuglBackend backend = {puglStubConfigure,
+	                                    puglMacStubCreate,
+	                                    puglMacStubDestroy,
+	                                    puglStubEnter,
+	                                    puglStubLeave,
+	                                    puglStubResize,
+	                                    puglStubGetContext};
+
+	return &backend;
+}
diff --git a/wscript b/wscript
index 81e682d..2392e4f 100644
--- a/wscript
+++ b/wscript
@@ -251,6 +251,10 @@ def build(bld):
                        framework=['Cocoa'],
                        source=lib_source + ['pugl/detail/mac.m'])
 
+        build_backend('mac', 'stub',
+                      framework=['Cocoa'],
+                      source=['pugl/detail/mac_stub.m'])
+
         if bld.env.HAVE_GL:
             build_backend('mac', 'gl',
                           framework=['Cocoa', 'OpenGL'],
-- 
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