cocoa: fill a bunch of no-brainer functions, i haven't actually tested this yet and won't until I get home but I assume the worst case scenario is that I fucked up the syntax

include/Mw/LowLevel/AppKit.h

@@ -1,27 +0,0 @@
-/*!
- * @file Mw/LowLevel/AppKit.h
- * @brief Work in progress AppKit Backend
- * @warning This is used internally.
- */
-#ifndef __MW_LOWLEVEL_APPKIT_H__
-#define __MW_LOWLEVEL_APPKIT_H__
-
-#include <Mw/MachDep.h>
-#include <Mw/TypeDefs.h>
-#include <Mw/LowLevel.h>
-
-MWDECL int MwLLAppKitCallInit(void);
-
-struct _MwLLAppKit {
-	struct _MwLLCommon common;
-};
-
-struct _MwLLAppKitColor {
-	struct _MwLLCommonColor common;
-};
-
-struct _MwLLAppKitPixmap {
-	struct _MwLLCommonPixmap common;
-};
-
-#endif

include/Mw/LowLevel/Cocoa.h

@@ -23,6 +23,7 @@ struct _MwLLCocoaColor {
 
 struct _MwLLCocoaPixmap {
 	struct _MwLLCommonPixmap common;
+	void*		   real;
 };
 
 #endif

src/backend/cocoa.m

@@ -3,13 +3,44 @@
 #endif
 
 #import <AppKit/AppKit.h>
-#include <AppKit/NSEvent.h>
+#import <AppKit/NSEvent.h>
 #import <Foundation/Foundation.h>
 
 #include <Mw/Milsko.h>
 
 #include "../../external/stb_ds.h"
 
+@interface MilskoCocoaPixmap : NSObject {
+  NSImage *image;
+}
++ (MilskoCocoaPixmap*)newWithWidth:(int)width
+                            height:(int)height;
+- (void)updateWithData(void *);
+- (void)destroy;
+@end
+
+@implementation MilskoCocoaPixmap
+
++ (MilskoCocoaPixmap*)newWithWidth:(int)width
+                            height:(int)height {
+  MilskoCocoaPixmap * p = [MilskoCocoaPixmap alloc];
+  NSSize sz;
+
+  sz.width = width;
+  sz.height = height;
+
+  p->image = [NSImage initWithSize:sz];
+
+  return p;
+}
+- (void)updateWithData(void *) {
+}
+- (void)destroy {
+  [self->image dealloc];
+}
+@end
+
+
 @interface MilskoCocoa : NSObject {
   NSApplication *application;
   NSWindow *window;
@@ -101,10 +132,24 @@
 - (void)lineWithPoints:(MwPoint *)points color:(MwLLColor)color {
 };
 - (void)getX:(int *)x Y:(int *)y W:(unsigned int *)w H:(unsigned int *)h {
+    NSRect frame = self->window->frame;
+
+    *x = frame.origin.x;
+    *y = frame.origin.y;
+    *w = frame.size.x;
+    *h = frame.size.y;
 };
 - (void)setX:(int)x Y:(int)y {
+    NSPoint p;
+    p.x = x;
+    p.y = y;
+    [self->window setFrameTopLeftPoint p];
 };
 - (void)setW:(int)w H:(int)h {
+    NSSize s;
+    s.w = w;
+    s.h = h;
+    [self->window setFrameSize s];
 };
 - (int)pending {
   return 1;
@@ -122,6 +167,9 @@
   [pool release];
 };
 - (void)setTitle:(const char *)title {
+  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+  [self->window setTitleWithRepresentedFilename:[NSString stringWithUTF8String:title]];
+  [pool release];
 };
 - (void)drawPixmap:(MwLLPixmap)pixmap rect:(MwRect *)rect {
 };
@@ -143,10 +191,21 @@
                         MaxY:(int)maxy {
 };
 - (void)makeBorderless:(int)toggle {
+  NSWindowStyleMask mask = self->window.styleMask;
+  if(mask & NSBorderlessWindowMask) {
+    mask ^= NSBorderlessWindowMask;
+    mask |= NSTitledWindowMask;
+  } else {
+    mask |= NSBorderlessWindowMask;
+    mask ^= NSTitledWindowMask;
+  }
+  [self->window setStyleMask:mask];
 };
 - (void)focus {
+  [self->window makeMainWindow];
 };
 - (void)grabPointer:(int)toggle {
+  /* MacOS didn't have a "pointer grab" function until 10.13.2 so I need to do this manually */
 };
 - (void)setClipboard:(const char *)text {
 };
@@ -155,8 +214,16 @@
 - (void)makeToolWindow {
 };
 - (void)getCursorCoord:(MwPoint *)point {
+  NSPoint p = self->window->mouseLocation;
+  point->x = p.x;
+  point->y = p.y;
 };
 - (void)getScreenSize:(MwRect *)rect {
+  NSScreen * screen = self->window->screen;
+  rect->x = screen->frame.origin.x;
+  rect->y = screen->frame.origin.y;
+  rect->width = screen->frame.size.x;
+  rect->height = screen->frame.size.y;
 };
 - (void)destroy {
   [self->window dealloc];
@@ -185,7 +252,6 @@ static void MwLLDestroyImpl(MwLL handle) {
   MilskoCocoa *h = handle->cocoa.real;
 
   [h destroy];
-  [h dealloc];
 
   MwLLDestroyCommon(handle);
 
@@ -267,13 +333,22 @@ static MwLLPixmap MwLLCreatePixmapImpl(MwLL handle, unsigned char *data,
   r->common.width = width;
   r->common.height = height;
 
+  r->cocoa.real = [MilskoCocoaPixmap newWithWidth:width height:height];
+
   MwLLPixmapUpdate(r);
   return r;
 }
 
-static void MwLLPixmapUpdateImpl(MwLLPixmap r) { (void)r; }
+static void MwLLPixmapUpdateImpl(MwLLPixmap pixmap) {
+  MilskoCocoaPixmap *p = pixmap->cocoa.real;
+  [p updateWithData:pixmap->common.raw];
+}
 
-static void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) { free(pixmap); }
+static void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) {
+  MilskoCocoaPixmap *p = pixmap->cocoa.real;
+  [p destroy];
+  free(pixmap);
+}
 
 static void MwLLDrawPixmapImpl(MwLL handle, MwRect *rect, MwLLPixmap pixmap) {
   MilskoCocoa *h = handle->cocoa.real;