src/MacOSX/EmulatorView.mm

/*
 *      EmulatorView.mm - Custom NSView for Basilisk II graphics output
 *
 *      $Id: EmulatorView.mm,v 1.4 2002/05/30 12:46:15 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;

#ifdef SAVE_GSTATE
        [self allocateGState];
#endif

        return self;
}

- (void) dealloc
{
#ifdef SAVE_GSTATE
        [self releaseGState];
#endif
        [super dealloc];
}

// 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], bitmap);
#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;
#endif
#ifdef CGIMAGEREF
- (void) readyToDraw: (CGImageRef) image
                  imageWidth: (short) width
                 imageHeight: (short) height
{
        bitmap = 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;
#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
- (void) randomise              // Draw some coloured snow in the bitmap
{
        unsigned char    *pixel;

        for ( int i = 0; i < 1000; ++i )
        {
                pixel = [bitmap bitmapData]
                                + (int) (1.0 * [bitmap bytesPerRow] * 342       //[bitmap height]
                                                         * 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");
        [self randomise];
#endif

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

//
// Extra drawing stuff
//

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

- (void) CGDrawBitmap
{
        CGContextRef    cgContext = [[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 bitmap)
{
        CGContextRef    cgContext = [[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, bitmap);
}
#endif

@end
Revision:	1.5
Committed:	2002-06-05T10:18:51Z (22 years ago) by nigel
Branch:	MAIN
Changes since 1.4:	+24 -18 lines
Log Message:	Better mouse event control for full screen mode
#	User	Rev	Content
1	nigel	1.1	/*
2			* EmulatorView.mm - Custom NSView for Basilisk II graphics output
3			*
4	nigel	1.5	* $Id: EmulatorView.mm,v 1.4 2002/05/30 12:46:15 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			#ifdef SAVE_GSTATE
53			[self allocateGState];
54			#endif
55
56			return self;
57			}
58
59			- (void) dealloc
60			{
61			#ifdef SAVE_GSTATE
62			[self releaseGState];
63			#endif
64			[super dealloc];
65			}
66
67	nigel	1.5	// Mouse click in this window. If window is not active,
68			// should the click be passed to this view?
69	nigel	1.1	- (BOOL) acceptsFirstMouse: (NSEvent *) event
70			{
71			return [self mouseInView];
72			}
73
74
75			#include <adb.h>
76
77			static int prevFlags;
78
79			- (void) flagsChanged: (NSEvent *) event
80			{
81			int flags = [event modifierFlags];
82
83			if ( (flags & NSAlphaShiftKeyMask) != (prevFlags & NSAlphaShiftKeyMask) )
84			if ( flags & NSAlphaShiftKeyMask )
85			ADBKeyDown(0x39); // CAPS_LOCK
86			else
87			ADBKeyUp(0x39);
88
89			if ( (flags & NSShiftKeyMask) != (prevFlags & NSShiftKeyMask) )
90			if ( flags & NSShiftKeyMask )
91			ADBKeyDown(0x38); // SHIFT_LEFT
92			else
93			ADBKeyUp(0x38);
94
95			if ( (flags & NSControlKeyMask) != (prevFlags & NSControlKeyMask) )
96			if ( flags & NSControlKeyMask )
97			ADBKeyDown(0x36); // CTL_LEFT
98			else
99			ADBKeyUp(0x36);
100
101			if ( (flags & NSAlternateKeyMask) != (prevFlags & NSAlternateKeyMask) )
102			if ( flags & NSAlternateKeyMask )
103			ADBKeyDown(0x3a); // OPTION_LEFT
104			else
105			ADBKeyUp(0x3a);
106
107			if ( (flags & NSCommandKeyMask) != (prevFlags & NSCommandKeyMask) )
108			if ( flags & NSCommandKeyMask )
109			ADBKeyDown(0x37); // APPLE_LEFT
110			else
111			ADBKeyUp(0x37);
112
113			prevFlags = flags;
114			}
115
116			- (BOOL) mouseInView: (NSEvent *) event
117			{
118	nigel	1.4	NSRect box;
119	nigel	1.5	NSPoint loc;
120
121	nigel	1.4	if ( fullScreen )
122	nigel	1.5	{
123			box = displayBox;
124			loc = [NSEvent mouseLocation];
125			}
126	nigel	1.4	else
127	nigel	1.5	{
128	nigel	1.4	box = [self frame];
129	nigel	1.5	loc = [event locationInWindow];
130			}
131
132			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));
133	nigel	1.1	return [self mouse: loc inRect: box];
134			}
135
136			- (BOOL) mouseInView
137			{
138			NSPoint loc = [[self window] mouseLocationOutsideOfEventStream];
139			NSRect box = [self frame];
140			D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
141			__PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
142			return [self mouse: loc inRect: box];
143			}
144
145			//
146			// Custom methods
147			//
148
149			- (void) benchmark
150			{
151			int i;
152			float seconds;
153			NSDate *startDate;
154
155			if ( ! drawView )
156			return;
157
158			drawView = NO;
159			[self lockFocus];
160			startDate = [NSDate date];
161			for (i = 1; i < 300; ++i )
162			#ifdef NSBITMAP
163			[bitmap draw];
164			#endif
165			#ifdef CGIMAGEREF
166			cgDrawInto([self bounds], bitmap);
167			#endif
168			#ifdef CGDRAWBITMAP
169			[self CGDrawBitmap];
170			#endif
171			seconds = -[startDate timeIntervalSinceNow];
172			[self unlockFocus];
173			drawView = YES;
174
175			InfoSheet(@"Benchmark run. 300 frames.",
176			[NSString stringWithFormat:
177			@"%.2f seconds, %.3f frames per second", seconds, i/seconds],
178			@"Thanks", [self window]);
179			}
180
181			// Return a TIFF for a snapshot of the screen image
182			- (NSData *) TIFFrep
183			{
184			#ifdef NSBITMAP
185			return [bitmap TIFFRepresentation];
186			#else
187			WarningAlert("How do I get a TIFF from a CGImageRef?");
188			#endif
189			return nil;
190			}
191
192			// Enable display of, and drawing into, the view
193			#ifdef NSBITMAP
194			- (void) readyToDraw: (NSBitmapImageRep *) theBitmap
195			imageWidth: (short) width
196			imageHeight: (short) height
197			{
198			bitmap = theBitmap;
199			#endif
200			#ifdef CGIMAGEREF
201			- (void) readyToDraw: (CGImageRef) image
202			imageWidth: (short) width
203			imageHeight: (short) height
204			{
205			bitmap = image;
206			#endif
207			#ifdef CGDRAWBITMAP
208			- (void) readyToDraw: (void *) theBitmap
209			width: (short) width
210			height: (short) height
211			bps: (short) bitsPerSample
212			spp: (short) samplesPerPixel
213			bpp: (short) bitsPerPixel
214			bpr: (int) bpr
215			isPlanar: (BOOL) planar
216			hasAlpha: (BOOL) alpha
217			{
218			bitmap = theBitmap;
219			bps = bitsPerSample;
220			spp = samplesPerPixel;
221			bpp = bitsPerPixel;
222			bytesPerRow = bpr;
223			isPlanar = planar;
224			hasAlpha = alpha;
225			#endif
226			x = width, y = height;
227			drawView = YES;
228
229			[[self window] setAcceptsMouseMovedEvents: YES];
230			// [[self window] setInitialFirstResponder: self];
231			[[self window] makeFirstResponder: self];
232			}
233
234			- (void) disableDrawing
235			{
236			drawView = NO;
237			}
238
239	nigel	1.5	- (void) startedFullScreen: (CGDirectDisplayID) display
240	nigel	1.4	{
241	nigel	1.5	CGRect displayBounds = CGDisplayBounds(display);
242
243	nigel	1.4	fullScreen = YES;
244	nigel	1.5	memcpy(&displayBox, &displayBounds, sizeof(displayBox));
245			screen_height = (int)displayBounds.size.height;
246	nigel	1.4	}
247
248	nigel	1.1	- (short) width
249			{
250			return (short)[self bounds].size.width;
251			}
252
253			- (short) height
254			{
255			return (short)[self bounds].size.height;
256			}
257
258	nigel	1.4	- (BOOL) isFullScreen
259			{
260			return fullScreen;
261			}
262
263	nigel	1.1	- (BOOL) isOpaque
264			{
265			return drawView;
266			}
267
268			- (BOOL) processKeyEvent: (NSEvent *) event
269			{
270	nigel	1.4	if ( fullScreen \|\| [self acceptsFirstMouse: event] )
271	nigel	1.1	if ( [event isARepeat] )
272			return NO;
273			else
274			return YES;
275
276			[self interpretKeyEvents:[NSArray arrayWithObject:event]];
277			return NO;
278			}
279
280			- (void) keyDown: (NSEvent *) event
281			{
282			if ( [self processKeyEvent: event] )
283	nigel	1.2	{
284			int code = [event keyCode];
285
286			if ( code == 126 ) code = 0x3e; // CURS_UP
287			if ( code == 125 ) code = 0x3d; // CURS_DOWN
288			if ( code == 124 ) code = 0x3c; // CURS_RIGHT
289			if ( code == 123 ) code = 0x3b; // CURS_LEFT
290
291			ADBKeyDown(code);
292			}
293	nigel	1.1	}
294
295			- (void) keyUp: (NSEvent *) event
296			{
297			if ( [self processKeyEvent: event] )
298	nigel	1.2	{
299			int code = [event keyCode];
300
301			if ( code == 126 ) code = 0x3e; // CURS_UP
302			if ( code == 125 ) code = 0x3d; // CURS_DOWN
303			if ( code == 124 ) code = 0x3c; // CURS_RIGHT
304			if ( code == 123 ) code = 0x3b; // CURS_LEFT
305
306			ADBKeyUp(code);
307			}
308	nigel	1.1	}
309
310			static NSPoint mouse; // Previous/current mouse location
311
312			- (BOOL) processMouseMove: (NSEvent *) event
313			{
314	nigel	1.5	NSPoint location;
315	nigel	1.1
316	nigel	1.4	if ( fullScreen )
317	nigel	1.5	location = [NSEvent mouseLocation];
318	nigel	1.1	else
319	nigel	1.5	location = [self convertPoint: [event locationInWindow] fromView:nil];
320	nigel	1.1
321	nigel	1.5	if ( NSEqualPoints(location, mouse) )
322	nigel	1.1	return NO;
323
324	nigel	1.5	mouse = location;
325	nigel	1.1
326	nigel	1.4	if ( fullScreen )
327	nigel	1.1	{
328			ADBMouseMoved((int)mouse.x, screen_height - (int)mouse.y);
329			return YES;
330			}
331
332			#ifdef CAN_RESIZE_VIEW
333			int mouseY = y - y * mouse.y / [self height];
334			int mouseX = x * mouse.x / [self width];
335			#else
336			int mouseY = y - (int) mouse.y;
337			int mouseX = (int) mouse.x;
338			#endif
339
340			ADBMouseMoved(mouseX, mouseY);
341			return YES;
342			}
343
344			- (void) mouseDown: (NSEvent *) event
345			{
346			[self processMouseMove: event];
347			ADBMouseDown(0);
348			}
349
350			- (void) mouseDragged: (NSEvent *) event
351			{
352			[self processMouseMove: event];
353			}
354
355			- (void) mouseMoved: (NSEvent *) event
356			{
357			#if DEBUG
358			if ( ! [self mouseInView] )
359			{
360			NSLog (@"%s - Received event while outside of view", __PRETTY_FUNCTION__);
361			return;
362			}
363			#endif
364			[self processMouseMove: event];
365			}
366
367			- (void) mouseUp: (NSEvent *) event
368			{
369			[self processMouseMove: event];
370			ADBMouseUp(0);
371			}
372
373			#if DEBUG
374			- (void) randomise // Draw some coloured snow in the bitmap
375			{
376			unsigned char *pixel;
377
378			for ( int i = 0; i < 1000; ++i )
379			{
380			pixel = [bitmap bitmapData]
381			+ (int) (1.0 * [bitmap bytesPerRow] * 342 //[bitmap height]
382			* rand() / RAND_MAX);
383			pixel = (unsigned char) (256.0 rand() / RAND_MAX);
384			}
385			}
386			#endif
387
388			- (void) drawRect: (NSRect) rect
389			{
390			if ( ! drawView ) // If the emulator is still being setup,
391			return; // we do not want to draw
392
393			#if DEBUG
394			NSLog(@"In drawRect");
395			[self randomise];
396			#endif
397
398			#ifdef NSBITMAP
399			NSRectClip(rect);
400			[bitmap draw];
401			#endif
402			#ifdef CGIMAGEREF
403			cgDrawInto(rect, bitmap);
404			#endif
405			#ifdef CGDRAWBITMAP
406			[self CGDrawBitmap];
407			#endif
408			}
409
410			//
411			// Extra drawing stuff
412			//
413
414			#ifdef CGDRAWBITMAP
415			extern "C" void CGDrawBitmap();
416
417			- (void) CGDrawBitmap
418			{
419			CGContextRef cgContext = [[NSGraphicsContext currentContext]
420			graphicsPort];
421			NSRect rect = [self bounds];
422			CGRect cgRect = {
423			{rect.origin.x, rect.origin.y},
424			{rect.size.width, rect.size.height}
425			};
426
427			CGColorSpaceRef colourSpace = CGColorSpaceCreateDeviceRGB();
428
429
430			CGContextSetShouldAntialias(cgContext, NO); // Seems to have no effect?
431
432			CGDrawBitmap(cgContext, cgRect, x, y, bps, spp, bpp,
433			bytesPerRow, isPlanar, hasAlpha, colourSpace, &bitmap);
434			}
435			#endif
436
437			#ifdef CGIMAGEREF
438			void
439			cgDrawInto(NSRect rect, CGImageRef bitmap)
440			{
441			CGContextRef cgContext = [[NSGraphicsContext currentContext]
442			graphicsPort];
443			CGRect cgRect = {
444			{rect.origin.x, rect.origin.y},
445			{rect.size.width, rect.size.height}
446			};
447
448			CGContextSetShouldAntialias(cgContext, NO); // Seems to have no effect?
449
450			CGContextDrawImage(cgContext, cgRect, bitmap);
451			}
452			#endif
453
454	nigel	1.3	@end