src/MacOSX/EmulatorView.mm

/*
 *      EmulatorView.mm - Custom NSView for Basilisk II graphics output
 *
 *      $Id: EmulatorView.mm,v 1.6 2002/10/06 23:26:07 nigel Exp $
 *
 *  Basilisk II (C) 1997-2002 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#import "sysdeps.h"                     // Types used in Basilisk C++ code,

#define DEBUG 0
#import <debug.h>

#import <Cocoa/Cocoa.h>

#import "main_macosx.h"         // For WarningAlert() et al prototypes
#import "misc_macosx.h"         // For InfoSheet() prototype
#import "video_macosx.h"        // For init_* globals, and bitmap drawing strategy

#import "EmulatorView.h"

@implementation EmulatorView


//
// Standard NSView methods that we override
//

- (id) initWithFrame: (NSRect) frameRect
{
        self = [super initWithFrame: frameRect];

        output = self;          // Set global for access by Basilisk C++ code
//      bitmap = nil;           // Set by readyToDraw:
        drawView = NO;          // Disable drawing until later
        fullScreen = NO;

        return self;
}

// Mouse click in this window. If window is not active,
// should the click be passed to this view?
- (BOOL) acceptsFirstMouse: (NSEvent *) event
{
        return [self mouseInView];
}


#include <adb.h>

static int prevFlags;

- (void) flagsChanged: (NSEvent *) event
{
        int     flags = [event modifierFlags];

        if ( (flags & NSAlphaShiftKeyMask) != (prevFlags & NSAlphaShiftKeyMask) )
                if ( flags & NSAlphaShiftKeyMask )
                        ADBKeyDown(0x39);       // CAPS_LOCK
                else
                        ADBKeyUp(0x39);

        if ( (flags & NSShiftKeyMask) != (prevFlags & NSShiftKeyMask) )
                if ( flags & NSShiftKeyMask )
                        ADBKeyDown(0x38);       // SHIFT_LEFT
                else
                        ADBKeyUp(0x38);

        if ( (flags & NSControlKeyMask) != (prevFlags & NSControlKeyMask) )
                if ( flags & NSControlKeyMask )
                        ADBKeyDown(0x36);       // CTL_LEFT
                else
                        ADBKeyUp(0x36);

        if ( (flags & NSAlternateKeyMask) != (prevFlags & NSAlternateKeyMask) )
                if ( flags & NSAlternateKeyMask )
                        ADBKeyDown(0x3a);       // OPTION_LEFT
                else
                        ADBKeyUp(0x3a);

        if ( (flags & NSCommandKeyMask) != (prevFlags & NSCommandKeyMask) )
                if ( flags & NSCommandKeyMask )
                        ADBKeyDown(0x37);       // APPLE_LEFT
                else
                        ADBKeyUp(0x37);

        prevFlags = flags;
}

- (BOOL) mouseInView: (NSEvent *) event
{
        NSRect  box;
        NSPoint loc;

        if ( fullScreen )
        {
                box = displayBox;
                loc = [NSEvent mouseLocation];
        }
        else
        {
                box = [self frame];
                loc = [event locationInWindow];
        }

        D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f, box.size.width=%f, box.size.height=%f", __PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y, box.size.width, box.size.height));
        return [self mouse: loc inRect: box];
}

- (BOOL) mouseInView
{
        NSPoint loc = [[self window] mouseLocationOutsideOfEventStream];
        NSRect  box = [self frame];
        D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
                                __PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
        return [self mouse: loc inRect: box];
}

//
// Custom methods
//

- (void) benchmark
{
        int                     i;
        float           seconds;
        NSDate          *startDate;

        if ( ! drawView )
                return;

        drawView = NO;
        [self lockFocus];
        startDate = [NSDate date];
        for (i = 1; i < 300; ++i )
#ifdef NSBITMAP
                [bitmap draw];
#endif
#ifdef CGIMAGEREF
                cgDrawInto([self bounds], cgImgRep);
#endif
#ifdef CGDRAWBITMAP
                [self CGDrawBitmap];
#endif
        seconds = -[startDate timeIntervalSinceNow];
        [self unlockFocus];
        drawView = YES;

        InfoSheet(@"Benchmark run. 300 frames.",
                          [NSString stringWithFormat:
                                @"%.2f seconds, %.3f frames per second", seconds, i/seconds],
                          @"Thanks", [self window]);
}

// Return a TIFF for a snapshot of the screen image
- (NSData *) TIFFrep
{
#ifdef NSBITMAP
        return [bitmap TIFFRepresentation];
#else
        WarningAlert("How do I get a TIFF from a CGImageRef?");
#endif
        return nil;
}

// Enable display of, and drawing into, the view
#ifdef NSBITMAP
- (void) readyToDraw: (NSBitmapImageRep *) theBitmap
                  imageWidth: (short) width
                 imageHeight: (short) height
{
        bitmap = theBitmap;
        numBytes = [theBitmap bytesPerRow] * height;
#endif
#ifdef CGIMAGEREF
- (void) readyToDraw: (CGImageRef) image
                  imageWidth: (short) width
                 imageHeight: (short) height
{
        cgImgRep = image;
        numBytes = CGImageGetBytesPerRow(image);
#endif
#ifdef CGDRAWBITMAP
- (void) readyToDraw: (void *) theBitmap
                           width: (short) width
                          height: (short) height
                                 bps: (short) bitsPerSample
                                 spp: (short) samplesPerPixel
                                 bpp: (short) bitsPerPixel
                                 bpr: (int)   bpr
                        isPlanar: (BOOL)  planar
                        hasAlpha: (BOOL)  alpha
{
        bitmap = theBitmap;
        bps = bitsPerSample;
        spp = samplesPerPixel;
        bpp = bitsPerPixel;
        bytesPerRow = bpr;
        isPlanar = planar;
        hasAlpha = alpha;
        numBytes = bpr * height;
#endif
        x = width, y = height;
        drawView = YES;

        [[self window] setAcceptsMouseMovedEvents:      YES];
//      [[self window] setInitialFirstResponder:        self];
        [[self window] makeFirstResponder:                      self];
}

- (void) disableDrawing
{
        drawView = NO;
}

- (void) startedFullScreen: (CGDirectDisplayID) display
{
        CGRect  displayBounds = CGDisplayBounds(display);

        fullScreen = YES;
        memcpy(&displayBox, &displayBounds, sizeof(displayBox));
        screen_height = (int)displayBounds.size.height;
}

- (short) width
{
        return (short)[self bounds].size.width;
}

- (short) height
{
        return (short)[self bounds].size.height;
}

- (BOOL) isFullScreen
{
        return fullScreen;
}

- (BOOL) isOpaque
{
        return drawView;
}

- (BOOL) processKeyEvent: (NSEvent *) event
{
        if ( fullScreen || [self acceptsFirstMouse: event] )
                if ( [event isARepeat] )
                        return NO;
                else
                        return YES;

        [self interpretKeyEvents:[NSArray arrayWithObject:event]];
        return NO;
}

- (void) keyDown: (NSEvent *) event
{
        if ( [self processKeyEvent: event] )
        {
                int     code = [event keyCode];

                if ( code == 126 )      code = 0x3e;    // CURS_UP
                if ( code == 125 )      code = 0x3d;    // CURS_DOWN
                if ( code == 124 )      code = 0x3c;    // CURS_RIGHT
                if ( code == 123 )      code = 0x3b;    // CURS_LEFT

                ADBKeyDown(code);
        }
}

- (void) keyUp: (NSEvent *) event
{
        if ( [self processKeyEvent: event] )
        {
                int     code = [event keyCode];

                if ( code == 126 )      code = 0x3e;    // CURS_UP
                if ( code == 125 )      code = 0x3d;    // CURS_DOWN
                if ( code == 124 )      code = 0x3c;    // CURS_RIGHT
                if ( code == 123 )      code = 0x3b;    // CURS_LEFT

                ADBKeyUp(code);
        }
}

static NSPoint  mouse;                  // Previous/current mouse location

- (BOOL) processMouseMove: (NSEvent *) event
{
        NSPoint location;

        if ( fullScreen )
                location = [NSEvent mouseLocation];
        else
                location = [self convertPoint: [event locationInWindow] fromView:nil];

        if ( NSEqualPoints(location, mouse) )
                return NO;

        mouse = location;

        if ( fullScreen )
        {
                ADBMouseMoved((int)mouse.x, screen_height - (int)mouse.y);
                return YES;
        }

#ifdef CAN_RESIZE_VIEW
        int     mouseY = y - y * mouse.y / [self height];
        int     mouseX =         x * mouse.x / [self width];
#else
        int     mouseY = y - (int) mouse.y;
        int     mouseX =         (int) mouse.x;
#endif

        ADBMouseMoved(mouseX, mouseY);
        return YES;
}

- (void) mouseDown: (NSEvent *) event
{
        [self processMouseMove: event];
        ADBMouseDown(0);
}

- (void) mouseDragged: (NSEvent *) event
{
        [self processMouseMove: event];
}

- (void) mouseMoved: (NSEvent *) event
{
#if DEBUG
        if ( ! [self mouseInView] )
        {
                NSLog (@"%s - Received event while outside of view", __PRETTY_FUNCTION__);
                return;
        }
#endif
        [self processMouseMove: event];
}

- (void) mouseUp: (NSEvent *) event
{
        [self processMouseMove: event];
        ADBMouseUp(0);
}

#if DEBUG && ! defined(CGIMAGEREF)
- (void) randomise              // Draw some coloured snow in the bitmap
{
        unsigned char   *data,
                                        *pixel;

  #ifdef CGDRAWBITMAP
        data = bitmap;
  #endif
  #ifdef NSBITMAP
        data = [bitmap bitmapData];
  #endif

        for ( int i = 0; i < 1000; ++i )
        {
                pixel  = data + (int) (numBytes * rand() / RAND_MAX);
                *pixel = (unsigned char) (256.0 * rand() / RAND_MAX);
        }
}
#endif

- (void) drawRect: (NSRect) rect
{
        if ( ! drawView )               // If the emulator is still being setup,
                return;                         // we do not want to draw

#if DEBUG
        NSLog(@"In drawRect");
# ifndef CGIMAGEREF
        [self randomise];
# endif
#endif

#ifdef NSBITMAP
        NSRectClip(rect);
        [bitmap draw];
#endif
#ifdef CGIMAGEREF
        cgDrawInto(rect, cgImgRep);
#endif
#ifdef CGDRAWBITMAP
        [self CGDrawBitmap];
#endif
}

//
// Extra drawing stuff
//

#ifdef CGDRAWBITMAP
extern "C" void CGDrawBitmap(...);

- (void) CGDrawBitmap
{
        CGContextRef    cgContext = (CGContextRef) [[NSGraphicsContext currentContext]
                                                                                                graphicsPort];
        NSRect                  rect = [self bounds];
        CGRect                  cgRect = {
                                                                {rect.origin.x, rect.origin.y},
                                                                {rect.size.width, rect.size.height}
                                                         };

        CGColorSpaceRef colourSpace = CGColorSpaceCreateDeviceRGB();


//      CGContextSetShouldAntialias(cgContext, NO);             // Seems to have no effect?

        CGDrawBitmap(cgContext, cgRect, x, y, bps, spp, bpp,
                                        bytesPerRow, isPlanar, hasAlpha, colourSpace, &bitmap);
}
#endif

#ifdef CGIMAGEREF
void
cgDrawInto(NSRect rect, CGImageRef cgImgRep)
{
        CGContextRef    cgContext = (CGContextRef) [[NSGraphicsContext currentContext]
                                                                                                graphicsPort];
        CGRect                  cgRect = {
                                                                {rect.origin.x, rect.origin.y},
                                                                {rect.size.width, rect.size.height}
                                                         };

//      CGContextSetShouldAntialias(cgContext, NO);             // Seems to have no effect?

        CGContextDrawImage(cgContext, cgRect, cgImgRep);
}
#endif

@end
Revision:	1.7
Committed:	2002-12-18T11:53:11Z (21 years, 11 months ago) by nigel
Branch:	MAIN
Changes since 1.6:	+29 -30 lines
Log Message:	Allow randomise to work with different drawing strategies
#	User	Rev	Content
1	nigel	1.1	/*
2			* EmulatorView.mm - Custom NSView for Basilisk II graphics output
3			*
4	nigel	1.7	* $Id: EmulatorView.mm,v 1.6 2002/10/06 23:26:07 nigel Exp $
5	nigel	1.1	*
6			* Basilisk II (C) 1997-2002 Christian Bauer
7			*
8			* This program is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License as published by
10			* the Free Software Foundation; either version 2 of the License, or
11			* (at your option) any later version.
12			*
13			* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			* GNU General Public License for more details.
17			*
18			* You should have received a copy of the GNU General Public License
19			* along with this program; if not, write to the Free Software
20			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21			*/
22
23			#import "sysdeps.h" // Types used in Basilisk C++ code,
24
25			#define DEBUG 0
26			#import <debug.h>
27
28			#import <Cocoa/Cocoa.h>
29
30			#import "main_macosx.h" // For WarningAlert() et al prototypes
31			#import "misc_macosx.h" // For InfoSheet() prototype
32			#import "video_macosx.h" // For init_* globals, and bitmap drawing strategy
33
34			#import "EmulatorView.h"
35
36			@implementation EmulatorView
37
38
39			//
40			// Standard NSView methods that we override
41			//
42
43			- (id) initWithFrame: (NSRect) frameRect
44			{
45			self = [super initWithFrame: frameRect];
46
47			output = self; // Set global for access by Basilisk C++ code
48			// bitmap = nil; // Set by readyToDraw:
49			drawView = NO; // Disable drawing until later
50	nigel	1.4	fullScreen = NO;
51	nigel	1.1
52			return self;
53			}
54
55	nigel	1.5	// Mouse click in this window. If window is not active,
56			// should the click be passed to this view?
57	nigel	1.1	- (BOOL) acceptsFirstMouse: (NSEvent *) event
58			{
59			return [self mouseInView];
60			}
61
62
63			#include <adb.h>
64
65			static int prevFlags;
66
67			- (void) flagsChanged: (NSEvent *) event
68			{
69			int flags = [event modifierFlags];
70
71			if ( (flags & NSAlphaShiftKeyMask) != (prevFlags & NSAlphaShiftKeyMask) )
72			if ( flags & NSAlphaShiftKeyMask )
73			ADBKeyDown(0x39); // CAPS_LOCK
74			else
75			ADBKeyUp(0x39);
76
77			if ( (flags & NSShiftKeyMask) != (prevFlags & NSShiftKeyMask) )
78			if ( flags & NSShiftKeyMask )
79			ADBKeyDown(0x38); // SHIFT_LEFT
80			else
81			ADBKeyUp(0x38);
82
83			if ( (flags & NSControlKeyMask) != (prevFlags & NSControlKeyMask) )
84			if ( flags & NSControlKeyMask )
85			ADBKeyDown(0x36); // CTL_LEFT
86			else
87			ADBKeyUp(0x36);
88
89			if ( (flags & NSAlternateKeyMask) != (prevFlags & NSAlternateKeyMask) )
90			if ( flags & NSAlternateKeyMask )
91			ADBKeyDown(0x3a); // OPTION_LEFT
92			else
93			ADBKeyUp(0x3a);
94
95			if ( (flags & NSCommandKeyMask) != (prevFlags & NSCommandKeyMask) )
96			if ( flags & NSCommandKeyMask )
97			ADBKeyDown(0x37); // APPLE_LEFT
98			else
99			ADBKeyUp(0x37);
100
101			prevFlags = flags;
102			}
103
104			- (BOOL) mouseInView: (NSEvent *) event
105			{
106	nigel	1.4	NSRect box;
107	nigel	1.5	NSPoint loc;
108
109	nigel	1.4	if ( fullScreen )
110	nigel	1.5	{
111			box = displayBox;
112			loc = [NSEvent mouseLocation];
113			}
114	nigel	1.4	else
115	nigel	1.5	{
116	nigel	1.4	box = [self frame];
117	nigel	1.5	loc = [event locationInWindow];
118			}
119
120			D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f, box.size.width=%f, box.size.height=%f", __PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y, box.size.width, box.size.height));
121	nigel	1.1	return [self mouse: loc inRect: box];
122			}
123
124			- (BOOL) mouseInView
125			{
126			NSPoint loc = [[self window] mouseLocationOutsideOfEventStream];
127			NSRect box = [self frame];
128			D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
129			__PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
130			return [self mouse: loc inRect: box];
131			}
132
133			//
134			// Custom methods
135			//
136
137			- (void) benchmark
138			{
139			int i;
140			float seconds;
141			NSDate *startDate;
142
143			if ( ! drawView )
144			return;
145
146			drawView = NO;
147			[self lockFocus];
148			startDate = [NSDate date];
149			for (i = 1; i < 300; ++i )
150			#ifdef NSBITMAP
151			[bitmap draw];
152			#endif
153			#ifdef CGIMAGEREF
154	nigel	1.7	cgDrawInto([self bounds], cgImgRep);
155	nigel	1.1	#endif
156			#ifdef CGDRAWBITMAP
157			[self CGDrawBitmap];
158			#endif
159			seconds = -[startDate timeIntervalSinceNow];
160			[self unlockFocus];
161			drawView = YES;
162
163			InfoSheet(@"Benchmark run. 300 frames.",
164			[NSString stringWithFormat:
165			@"%.2f seconds, %.3f frames per second", seconds, i/seconds],
166			@"Thanks", [self window]);
167			}
168
169			// Return a TIFF for a snapshot of the screen image
170			- (NSData *) TIFFrep
171			{
172			#ifdef NSBITMAP
173			return [bitmap TIFFRepresentation];
174			#else
175			WarningAlert("How do I get a TIFF from a CGImageRef?");
176			#endif
177			return nil;
178			}
179
180			// Enable display of, and drawing into, the view
181			#ifdef NSBITMAP
182			- (void) readyToDraw: (NSBitmapImageRep *) theBitmap
183			imageWidth: (short) width
184			imageHeight: (short) height
185			{
186			bitmap = theBitmap;
187	nigel	1.7	numBytes = [theBitmap bytesPerRow] * height;
188	nigel	1.1	#endif
189			#ifdef CGIMAGEREF
190			- (void) readyToDraw: (CGImageRef) image
191			imageWidth: (short) width
192			imageHeight: (short) height
193			{
194	nigel	1.7	cgImgRep = image;
195			numBytes = CGImageGetBytesPerRow(image);
196	nigel	1.1	#endif
197			#ifdef CGDRAWBITMAP
198			- (void) readyToDraw: (void *) theBitmap
199			width: (short) width
200			height: (short) height
201			bps: (short) bitsPerSample
202			spp: (short) samplesPerPixel
203			bpp: (short) bitsPerPixel
204			bpr: (int) bpr
205			isPlanar: (BOOL) planar
206			hasAlpha: (BOOL) alpha
207			{
208			bitmap = theBitmap;
209			bps = bitsPerSample;
210			spp = samplesPerPixel;
211			bpp = bitsPerPixel;
212			bytesPerRow = bpr;
213			isPlanar = planar;
214			hasAlpha = alpha;
215	nigel	1.7	numBytes = bpr * height;
216	nigel	1.1	#endif
217			x = width, y = height;
218			drawView = YES;
219
220			[[self window] setAcceptsMouseMovedEvents: YES];
221			// [[self window] setInitialFirstResponder: self];
222			[[self window] makeFirstResponder: self];
223			}
224
225			- (void) disableDrawing
226			{
227			drawView = NO;
228			}
229
230	nigel	1.5	- (void) startedFullScreen: (CGDirectDisplayID) display
231	nigel	1.4	{
232	nigel	1.5	CGRect displayBounds = CGDisplayBounds(display);
233
234	nigel	1.4	fullScreen = YES;
235	nigel	1.5	memcpy(&displayBox, &displayBounds, sizeof(displayBox));
236			screen_height = (int)displayBounds.size.height;
237	nigel	1.4	}
238
239	nigel	1.1	- (short) width
240			{
241			return (short)[self bounds].size.width;
242			}
243
244			- (short) height
245			{
246			return (short)[self bounds].size.height;
247			}
248
249	nigel	1.4	- (BOOL) isFullScreen
250			{
251			return fullScreen;
252			}
253
254	nigel	1.1	- (BOOL) isOpaque
255			{
256			return drawView;
257			}
258
259			- (BOOL) processKeyEvent: (NSEvent *) event
260			{
261	nigel	1.4	if ( fullScreen \|\| [self acceptsFirstMouse: event] )
262	nigel	1.1	if ( [event isARepeat] )
263			return NO;
264			else
265			return YES;
266
267			[self interpretKeyEvents:[NSArray arrayWithObject:event]];
268			return NO;
269			}
270
271			- (void) keyDown: (NSEvent *) event
272			{
273			if ( [self processKeyEvent: event] )
274	nigel	1.2	{
275			int code = [event keyCode];
276
277			if ( code == 126 ) code = 0x3e; // CURS_UP
278			if ( code == 125 ) code = 0x3d; // CURS_DOWN
279			if ( code == 124 ) code = 0x3c; // CURS_RIGHT
280			if ( code == 123 ) code = 0x3b; // CURS_LEFT
281
282			ADBKeyDown(code);
283			}
284	nigel	1.1	}
285
286			- (void) keyUp: (NSEvent *) event
287			{
288			if ( [self processKeyEvent: event] )
289	nigel	1.2	{
290			int code = [event keyCode];
291
292			if ( code == 126 ) code = 0x3e; // CURS_UP
293			if ( code == 125 ) code = 0x3d; // CURS_DOWN
294			if ( code == 124 ) code = 0x3c; // CURS_RIGHT
295			if ( code == 123 ) code = 0x3b; // CURS_LEFT
296
297			ADBKeyUp(code);
298			}
299	nigel	1.1	}
300
301			static NSPoint mouse; // Previous/current mouse location
302
303			- (BOOL) processMouseMove: (NSEvent *) event
304			{
305	nigel	1.5	NSPoint location;
306	nigel	1.1
307	nigel	1.4	if ( fullScreen )
308	nigel	1.5	location = [NSEvent mouseLocation];
309	nigel	1.1	else
310	nigel	1.5	location = [self convertPoint: [event locationInWindow] fromView:nil];
311	nigel	1.1
312	nigel	1.5	if ( NSEqualPoints(location, mouse) )
313	nigel	1.1	return NO;
314
315	nigel	1.5	mouse = location;
316	nigel	1.1
317	nigel	1.4	if ( fullScreen )
318	nigel	1.1	{
319			ADBMouseMoved((int)mouse.x, screen_height - (int)mouse.y);
320			return YES;
321			}
322
323			#ifdef CAN_RESIZE_VIEW
324			int mouseY = y - y * mouse.y / [self height];
325			int mouseX = x * mouse.x / [self width];
326			#else
327			int mouseY = y - (int) mouse.y;
328			int mouseX = (int) mouse.x;
329			#endif
330
331			ADBMouseMoved(mouseX, mouseY);
332			return YES;
333			}
334
335			- (void) mouseDown: (NSEvent *) event
336			{
337			[self processMouseMove: event];
338			ADBMouseDown(0);
339			}
340
341			- (void) mouseDragged: (NSEvent *) event
342			{
343			[self processMouseMove: event];
344			}
345
346			- (void) mouseMoved: (NSEvent *) event
347			{
348			#if DEBUG
349			if ( ! [self mouseInView] )
350			{
351			NSLog (@"%s - Received event while outside of view", __PRETTY_FUNCTION__);
352			return;
353			}
354			#endif
355			[self processMouseMove: event];
356			}
357
358			- (void) mouseUp: (NSEvent *) event
359			{
360			[self processMouseMove: event];
361			ADBMouseUp(0);
362			}
363
364	nigel	1.7	#if DEBUG && ! defined(CGIMAGEREF)
365	nigel	1.1	- (void) randomise // Draw some coloured snow in the bitmap
366			{
367	nigel	1.7	unsigned char *data,
368			*pixel;
369
370			#ifdef CGDRAWBITMAP
371			data = bitmap;
372			#endif
373			#ifdef NSBITMAP
374			data = [bitmap bitmapData];
375			#endif
376	nigel	1.1
377			for ( int i = 0; i < 1000; ++i )
378			{
379	nigel	1.7	pixel = data + (int) (numBytes * rand() / RAND_MAX);
380	nigel	1.1	pixel = (unsigned char) (256.0 rand() / RAND_MAX);
381			}
382			}
383			#endif
384
385			- (void) drawRect: (NSRect) rect
386			{
387			if ( ! drawView ) // If the emulator is still being setup,
388			return; // we do not want to draw
389
390			#if DEBUG
391			NSLog(@"In drawRect");
392	nigel	1.7	# ifndef CGIMAGEREF
393			[self randomise];
394			# endif
395	nigel	1.1	#endif
396
397			#ifdef NSBITMAP
398			NSRectClip(rect);
399			[bitmap draw];
400			#endif
401			#ifdef CGIMAGEREF
402	nigel	1.7	cgDrawInto(rect, cgImgRep);
403	nigel	1.1	#endif
404			#ifdef CGDRAWBITMAP
405			[self CGDrawBitmap];
406			#endif
407			}
408
409			//
410			// Extra drawing stuff
411			//
412
413			#ifdef CGDRAWBITMAP
414	nigel	1.6	extern "C" void CGDrawBitmap(...);
415	nigel	1.1
416			- (void) CGDrawBitmap
417			{
418	nigel	1.7	CGContextRef cgContext = (CGContextRef) [[NSGraphicsContext currentContext]
419			graphicsPort];
420	nigel	1.1	NSRect rect = [self bounds];
421			CGRect cgRect = {
422			{rect.origin.x, rect.origin.y},
423			{rect.size.width, rect.size.height}
424			};
425
426			CGColorSpaceRef colourSpace = CGColorSpaceCreateDeviceRGB();
427
428
429	nigel	1.7	// CGContextSetShouldAntialias(cgContext, NO); // Seems to have no effect?
430	nigel	1.1
431			CGDrawBitmap(cgContext, cgRect, x, y, bps, spp, bpp,
432			bytesPerRow, isPlanar, hasAlpha, colourSpace, &bitmap);
433			}
434			#endif
435
436			#ifdef CGIMAGEREF
437			void
438	nigel	1.7	cgDrawInto(NSRect rect, CGImageRef cgImgRep)
439	nigel	1.1	{
440	nigel	1.7	CGContextRef cgContext = (CGContextRef) [[NSGraphicsContext currentContext]
441			graphicsPort];
442	nigel	1.1	CGRect cgRect = {
443			{rect.origin.x, rect.origin.y},
444			{rect.size.width, rect.size.height}
445			};
446
447	nigel	1.7	// CGContextSetShouldAntialias(cgContext, NO); // Seems to have no effect?
448	nigel	1.1
449	nigel	1.7	CGContextDrawImage(cgContext, cgRect, cgImgRep);
450	nigel	1.1	}
451			#endif
452
453	nigel	1.3	@end