/*!
 * @file Mw/LowLevel/Cocoa.h
 * @brief Work in progress Cocoa Backend
 * @warning This is used internally.
 */
#ifndef __MW_LOWLEVEL_COCOA_H__
#define __MW_LOWLEVEL_COCOA_H__

#include <Mw/LowLevel.h>
#include <Mw/MachDep.h>
#include <Mw/TypeDefs.h>

#ifdef __OBJC__
#import <AppKit/AppKit.h>
#import <Foundation/Foundation.h>
#import <Foundation/NSGeometry.h>

#ifdef __APPLE__
#import <CoreServices/CoreServices.h>
#else
#import <CoreGraphics/CoreGraphics.h>
#endif

@interface MilskoCocoaWindowDelegate<NSWindowDelegate> : NSObject {
  NSWindow *w;
}
- (instancetype)initWithWin:(NSWindow *)win;
@end

@interface MilskoFakePointer : NSView {
  void *ptr;
}

- (void)setPointer:(void *)ptr;
- (void *)pointer;

@end

@interface MilskoCocoaPixmap : NSObject {
  MwBool valid;
  int width;
  int height;
  NSData *data;
  NSImage *image;
  NSBitmapImageRep *rep;
}

+ (MilskoCocoaPixmap *)newWithWidth:(int)width height:(int)height;
- (void)updateWithData:(unsigned char *)data;
- (void)destroy;

/* using @property to create instance variables fucks up 10.4 gcc for some
 * reason? */
- (NSImage *)image;

@end

@interface MilskoCocoaView : NSView {
  NSBitmapImageRep *rep;
  NSGraphicsContext *context;
  MwBool valid;
  CGColorSpaceRef space;
  CGDataProviderRef provider;
  float width;
  float height;
}

- (NSGraphicsContext *)context;
- (void)destroy;
- (NSBitmapImageRep *)getRep;

@end

@interface MilskoCocoa : NSObject {
  NSApplication *application;
  NSEvent *lastEvent;
  MwBool _forceRender;
  NSWindow *window;
  NSRect rect;
  MilskoCocoaView *view;
  MwLL parent;
  MilskoFakePointer *handle;
  MwBool doWHResize;
}

+ (MilskoCocoa *)newWithParent:(MwLL)parent
                             x:(int)x
                             y:(int)y
                         width:(int)width
                        height:(int)height
                        handle:(MwLL)handle;
- (void)polygonWithPoints:(MwPoint *)points
             points_count:(int)points_count
                    color:(MwLLColor)color;
- (void)lineWithPoints:(MwPoint *)points color:(MwLLColor)color;
- (void)getX:(int *)x Y:(int *)y W:(unsigned int *)w H:(unsigned int *)h;
- (void)setX:(int)x Y:(int)y;
- (void)setW:(int)w H:(int)h;
- (int)pending;
- (void)getNextEvent;
- (void)setTitle:(const char *)title;
- (void)drawPixmap:(MwLLPixmap)pixmap rect:(MwRect *)rect;
- (void)setIcon:(MwLLPixmap)pixmap;
- (void)forceRender;
- (void)setCursor:(MwCursor *)image mask:(MwCursor *)mask;
- (void)detachWithPoint:(MwPoint *)point;
- (void)show:(int)show;
- (void)makePopupWithParent:(MwLL)parent;
- (void)setSizeHintsWithMinX:(int)minx
                        MinY:(int)miny
                        MaxX:(int)maxx
                        MaxY:(int)maxy;
- (void)makeBorderless:(int)toggle;
- (void)focus;
- (void)grabPointer:(int)toggle;
- (void)setClipboard:(const char *)text;
- (void)makeToolWindow;
- (void)getCursorCoord:(MwPoint *)point;
- (void)getScreenSize:(MwRect *)rect;
- (void)destroy;
- (void)setHandle:(MwLL)h;

- (NSWindow *)parentWindow;

@end
#define OBJC(x) x
#else
#define OBJC(x) void *
#endif

MWDECL int MwLLCocoaCallInit(void);

struct _MwLLCocoa {
  struct _MwLLCommon common;
  OBJC(MilskoCocoa *)
  real;
};

struct _MwLLCocoaColor {
  struct _MwLLCommonColor common;
};

struct _MwLLCocoaPixmap {
  struct _MwLLCommonPixmap common;
  OBJC(MilskoCocoaPixmap *)
  real;
};

#endif