From fd9af041238845059e70da90852e1d40259d2f80 Mon Sep 17 00:00:00 2001
From: Pietro Gagliardi <pietro10@mac.com>
Date: Thu, 16 Jun 2016 09:29:28 -0400
Subject: [PATCH] Implemented fullscreen on OS X.

---
 darwin/window.m | 38 ++++++++++++++++++++++++++++++++++++++
 test/page15.c   |  3 ++-
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/darwin/window.m b/darwin/window.m
index 03c86ac1..0315e6a3 100644
--- a/darwin/window.m
+++ b/darwin/window.m
@@ -15,6 +15,7 @@ struct uiWindow {
 	void (*onContentSizeChanged)(uiWindow *, void *);
 	void *onContentSizeChangedData;
 	BOOL suppressSizeChanged;
+	int fullscreen;
 };
 
 @interface windowDelegateClass : NSObject<NSWindowDelegate> {
@@ -23,6 +24,8 @@ struct uiWindow {
 - (BOOL)windowShouldClose:(id)sender;
 - (void)windowDidMove:(NSNotification *)note;
 - (void)windowDidResize:(NSNotification *)note;
+- (void)windowDidEnterFullScreen:(NSNotification *)note;
+- (void)windowDidExitFullScreen:(NSNotification *)note;
 - (void)registerWindow:(uiWindow *)w;
 - (void)unregisterWindow:(uiWindow *)w;
 - (uiWindow *)lookupWindow:(NSWindow *)w;
@@ -74,6 +77,24 @@ struct uiWindow {
 		(*(w->onContentSizeChanged))(w, w->onContentSizeChangedData);
 }
 
+- (void)windowDidEnterFullScreen:(NSNotification *)note
+{
+	uiWindow *w;
+
+	w = [self lookupWindow:((NSWindow *) [note object])];
+	if (!w->suppressSizeChanged)
+		w->fullscreen = 1;
+}
+
+- (void)windowDidExitFullScreen:(NSNotification *)note
+{
+	uiWindow *w;
+
+	w = [self lookupWindow:((NSWindow *) [note object])];
+	if (!w->suppressSizeChanged)
+		w->fullscreen = 0;
+}
+
 - (void)registerWindow:(uiWindow *)w
 {
 	mapSet(self->windows, w->window, w);
@@ -290,6 +311,23 @@ void uiWindowSetContentSize(uiWindow *w, int width, int height)
 	w->suppressSizeChanged = NO;
 }
 
+int uiWindowFullscreen(uiWindow *w)
+{
+	return w->fullscreen;
+}
+
+void uiWindowSetFullscreen(uiWindow *w, int fullscreen)
+{
+	if (w->fullscreen && fullscreen)
+		return;
+	if (!w->fullscreen && !fullscreen)
+		return;
+	w->fullscreen = fullscreen;
+	w->suppressSizeChanged = YES;
+	[w->window toggleFullScreen:w->window];
+	w->suppressSizeChanged = NO;
+}
+
 void uiWindowOnContentSizeChanged(uiWindow *w, void (*f)(uiWindow *, void *), void *data)
 {
 	w->onContentSizeChanged = f;
diff --git a/test/page15.c b/test/page15.c
index 0bd92c4f..da5f90f5 100644
--- a/test/page15.c
+++ b/test/page15.c
@@ -75,6 +75,7 @@ static void updatesize(uiWindow *w)
 	uiWindowContentSize(w, &xp, &yp);
 	uiSpinboxSetValue(width, xp);
 	uiSpinboxSetValue(height, yp);
+	// TODO on OS X this is updated AFTER sending the size change, not before
 	uiCheckboxSetChecked(fullscreen, uiWindowFullscreen(w));
 }
 
@@ -88,7 +89,7 @@ void setFullscreen(uiCheckbox *cb, void *data)
 {
 	uiWindow *w = uiWindow(data);
 
-	uiWindowSetFullscreen(w, uiCheckboxChecked(tb));
+	uiWindowSetFullscreen(w, uiCheckboxChecked(fullscreen));
 	updatesize(w);
 }