ui/cocoa.m

   1 /*
   2  * QEMU Cocoa CG display driver
   3  *
   4  * Copyright (c) 2008 Mike Kronenberg
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #import <Cocoa/Cocoa.h>
  26 #include <crt_externs.h>
  27
  28 #include "qemu-common.h"
  29 #include "ui/console.h"
  30 #include "ui/input.h"
  31 #include "sysemu/sysemu.h"
  32
  33 #ifndef MAC_OS_X_VERSION_10_5
  34 #define MAC_OS_X_VERSION_10_5 1050
  35 #endif
  36 #ifndef MAC_OS_X_VERSION_10_6
  37 #define MAC_OS_X_VERSION_10_6 1060
  38 #endif
  39
  40
  41 //#define DEBUG
  42
  43 #ifdef DEBUG
  44 #define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
  45 #else
  46 #define COCOA_DEBUG(...)  ((void) 0)
  47 #endif
  48
  49 #define cgrect(nsrect) (*(CGRect *)&(nsrect))
  50
  51 typedef struct {
  52     int width;
  53     int height;
  54     int bitsPerComponent;
  55     int bitsPerPixel;
  56 } QEMUScreen;
  57
  58 NSWindow *normalWindow;
  59 static DisplayChangeListener *dcl;
  60 static int last_buttons;
  61
  62 int gArgc;
  63 char **gArgv;
  64 bool stretch_video;
  65
  66 // keymap conversion
  67 int keymap[] =
  68 {
  69 //  SdlI    macI    macH    SdlH    104xtH  104xtC  sdl
  70     30, //  0       0x00    0x1e            A       QZ_a
  71     31, //  1       0x01    0x1f            S       QZ_s
  72     32, //  2       0x02    0x20            D       QZ_d
  73     33, //  3       0x03    0x21            F       QZ_f
  74     35, //  4       0x04    0x23            H       QZ_h
  75     34, //  5       0x05    0x22            G       QZ_g
  76     44, //  6       0x06    0x2c            Z       QZ_z
  77     45, //  7       0x07    0x2d            X       QZ_x
  78     46, //  8       0x08    0x2e            C       QZ_c
  79     47, //  9       0x09    0x2f            V       QZ_v
  80     0,  //  10      0x0A    Undefined
  81     48, //  11      0x0B    0x30            B       QZ_b
  82     16, //  12      0x0C    0x10            Q       QZ_q
  83     17, //  13      0x0D    0x11            W       QZ_w
  84     18, //  14      0x0E    0x12            E       QZ_e
  85     19, //  15      0x0F    0x13            R       QZ_r
  86     21, //  16      0x10    0x15            Y       QZ_y
  87     20, //  17      0x11    0x14            T       QZ_t
  88     2,  //  18      0x12    0x02            1       QZ_1
  89     3,  //  19      0x13    0x03            2       QZ_2
  90     4,  //  20      0x14    0x04            3       QZ_3
  91     5,  //  21      0x15    0x05            4       QZ_4
  92     7,  //  22      0x16    0x07            6       QZ_6
  93     6,  //  23      0x17    0x06            5       QZ_5
  94     13, //  24      0x18    0x0d            =       QZ_EQUALS
  95     10, //  25      0x19    0x0a            9       QZ_9
  96     8,  //  26      0x1A    0x08            7       QZ_7
  97     12, //  27      0x1B    0x0c            -       QZ_MINUS
  98     9,  //  28      0x1C    0x09            8       QZ_8
  99     11, //  29      0x1D    0x0b            0       QZ_0
 100     27, //  30      0x1E    0x1b            ]       QZ_RIGHTBRACKET
 101     24, //  31      0x1F    0x18            O       QZ_o
 102     22, //  32      0x20    0x16            U       QZ_u
 103     26, //  33      0x21    0x1a            [       QZ_LEFTBRACKET
 104     23, //  34      0x22    0x17            I       QZ_i
 105     25, //  35      0x23    0x19            P       QZ_p
 106     28, //  36      0x24    0x1c            ENTER   QZ_RETURN
 107     38, //  37      0x25    0x26            L       QZ_l
 108     36, //  38      0x26    0x24            J       QZ_j
 109     40, //  39      0x27    0x28            '       QZ_QUOTE
 110     37, //  40      0x28    0x25            K       QZ_k
 111     39, //  41      0x29    0x27            ;       QZ_SEMICOLON
 112     43, //  42      0x2A    0x2b            \       QZ_BACKSLASH
 113     51, //  43      0x2B    0x33            ,       QZ_COMMA
 114     53, //  44      0x2C    0x35            /       QZ_SLASH
 115     49, //  45      0x2D    0x31            N       QZ_n
 116     50, //  46      0x2E    0x32            M       QZ_m
 117     52, //  47      0x2F    0x34            .       QZ_PERIOD
 118     15, //  48      0x30    0x0f            TAB     QZ_TAB
 119     57, //  49      0x31    0x39            SPACE   QZ_SPACE
 120     41, //  50      0x32    0x29            `       QZ_BACKQUOTE
 121     14, //  51      0x33    0x0e            BKSP    QZ_BACKSPACE
 122     0,  //  52      0x34    Undefined
 123     1,  //  53      0x35    0x01            ESC     QZ_ESCAPE
 124     220, // 54      0x36    0xdc    E0,5C   R GUI   QZ_RMETA
 125     219, // 55      0x37    0xdb    E0,5B   L GUI   QZ_LMETA
 126     42, //  56      0x38    0x2a            L SHFT  QZ_LSHIFT
 127     58, //  57      0x39    0x3a            CAPS    QZ_CAPSLOCK
 128     56, //  58      0x3A    0x38            L ALT   QZ_LALT
 129     29, //  59      0x3B    0x1d            L CTRL  QZ_LCTRL
 130     54, //  60      0x3C    0x36            R SHFT  QZ_RSHIFT
 131     184,//  61      0x3D    0xb8    E0,38   R ALT   QZ_RALT
 132     157,//  62      0x3E    0x9d    E0,1D   R CTRL  QZ_RCTRL
 133     0,  //  63      0x3F    Undefined
 134     0,  //  64      0x40    Undefined
 135     0,  //  65      0x41    Undefined
 136     0,  //  66      0x42    Undefined
 137     55, //  67      0x43    0x37            KP *    QZ_KP_MULTIPLY
 138     0,  //  68      0x44    Undefined
 139     78, //  69      0x45    0x4e            KP +    QZ_KP_PLUS
 140     0,  //  70      0x46    Undefined
 141     69, //  71      0x47    0x45            NUM     QZ_NUMLOCK
 142     0,  //  72      0x48    Undefined
 143     0,  //  73      0x49    Undefined
 144     0,  //  74      0x4A    Undefined
 145     181,//  75      0x4B    0xb5    E0,35   KP /    QZ_KP_DIVIDE
 146     152,//  76      0x4C    0x9c    E0,1C   KP EN   QZ_KP_ENTER
 147     0,  //  77      0x4D    undefined
 148     74, //  78      0x4E    0x4a            KP -    QZ_KP_MINUS
 149     0,  //  79      0x4F    Undefined
 150     0,  //  80      0x50    Undefined
 151     0,  //  81      0x51                            QZ_KP_EQUALS
 152     82, //  82      0x52    0x52            KP 0    QZ_KP0
 153     79, //  83      0x53    0x4f            KP 1    QZ_KP1
 154     80, //  84      0x54    0x50            KP 2    QZ_KP2
 155     81, //  85      0x55    0x51            KP 3    QZ_KP3
 156     75, //  86      0x56    0x4b            KP 4    QZ_KP4
 157     76, //  87      0x57    0x4c            KP 5    QZ_KP5
 158     77, //  88      0x58    0x4d            KP 6    QZ_KP6
 159     71, //  89      0x59    0x47            KP 7    QZ_KP7
 160     0,  //  90      0x5A    Undefined
 161     72, //  91      0x5B    0x48            KP 8    QZ_KP8
 162     73, //  92      0x5C    0x49            KP 9    QZ_KP9
 163     0,  //  93      0x5D    Undefined
 164     0,  //  94      0x5E    Undefined
 165     0,  //  95      0x5F    Undefined
 166     63, //  96      0x60    0x3f            F5      QZ_F5
 167     64, //  97      0x61    0x40            F6      QZ_F6
 168     65, //  98      0x62    0x41            F7      QZ_F7
 169     61, //  99      0x63    0x3d            F3      QZ_F3
 170     66, //  100     0x64    0x42            F8      QZ_F8
 171     67, //  101     0x65    0x43            F9      QZ_F9
 172     0,  //  102     0x66    Undefined
 173     87, //  103     0x67    0x57            F11     QZ_F11
 174     0,  //  104     0x68    Undefined
 175     183,//  105     0x69    0xb7                    QZ_PRINT
 176     0,  //  106     0x6A    Undefined
 177     70, //  107     0x6B    0x46            SCROLL  QZ_SCROLLOCK
 178     0,  //  108     0x6C    Undefined
 179     68, //  109     0x6D    0x44            F10     QZ_F10
 180     0,  //  110     0x6E    Undefined
 181     88, //  111     0x6F    0x58            F12     QZ_F12
 182     0,  //  112     0x70    Undefined
 183     110,//  113     0x71    0x0                     QZ_PAUSE
 184     210,//  114     0x72    0xd2    E0,52   INSERT  QZ_INSERT
 185     199,//  115     0x73    0xc7    E0,47   HOME    QZ_HOME
 186     201,//  116     0x74    0xc9    E0,49   PG UP   QZ_PAGEUP
 187     211,//  117     0x75    0xd3    E0,53   DELETE  QZ_DELETE
 188     62, //  118     0x76    0x3e            F4      QZ_F4
 189     207,//  119     0x77    0xcf    E0,4f   END     QZ_END
 190     60, //  120     0x78    0x3c            F2      QZ_F2
 191     209,//  121     0x79    0xd1    E0,51   PG DN   QZ_PAGEDOWN
 192     59, //  122     0x7A    0x3b            F1      QZ_F1
 193     203,//  123     0x7B    0xcb    e0,4B   L ARROW QZ_LEFT
 194     205,//  124     0x7C    0xcd    e0,4D   R ARROW QZ_RIGHT
 195     208,//  125     0x7D    0xd0    E0,50   D ARROW QZ_DOWN
 196     200,//  126     0x7E    0xc8    E0,48   U ARROW QZ_UP
 197 /* completed according to http://www.libsdl.org/cgi/cvsweb.cgi/SDL12/src/video/quartz/SDL_QuartzKeys.h?rev=1.6&content-type=text/x-cvsweb-markup */
 198
 199 /* Additional 104 Key XP-Keyboard Scancodes from http://www.computer-engineering.org/ps2keyboard/scancodes1.html */
 200 /*
 201     221 //          0xdd            e0,5d   APPS
 202         //              E0,2A,E0,37         PRNT SCRN
 203         //              E1,1D,45,E1,9D,C5   PAUSE
 204     83  //          0x53    0x53            KP .
 205 // ACPI Scan Codes
 206     222 //          0xde            E0, 5E  Power
 207     223 //          0xdf            E0, 5F  Sleep
 208     227 //          0xe3            E0, 63  Wake
 209 // Windows Multimedia Scan Codes
 210     153 //          0x99            E0, 19  Next Track
 211     144 //          0x90            E0, 10  Previous Track
 212     164 //          0xa4            E0, 24  Stop
 213     162 //          0xa2            E0, 22  Play/Pause
 214     160 //          0xa0            E0, 20  Mute
 215     176 //          0xb0            E0, 30  Volume Up
 216     174 //          0xae            E0, 2E  Volume Down
 217     237 //          0xed            E0, 6D  Media Select
 218     236 //          0xec            E0, 6C  E-Mail
 219     161 //          0xa1            E0, 21  Calculator
 220     235 //          0xeb            E0, 6B  My Computer
 221     229 //          0xe5            E0, 65  WWW Search
 222     178 //          0xb2            E0, 32  WWW Home
 223     234 //          0xea            E0, 6A  WWW Back
 224     233 //          0xe9            E0, 69  WWW Forward
 225     232 //          0xe8            E0, 68  WWW Stop
 226     231 //          0xe7            E0, 67  WWW Refresh
 227     230 //          0xe6            E0, 66  WWW Favorites
 228 */
 229 };
 230
 231 static int cocoa_keycode_to_qemu(int keycode)
 232 {
 233     if (ARRAY_SIZE(keymap) <= keycode) {
 234         fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
 235         return 0;
 236     }
 237     return keymap[keycode];
 238 }
 239
 240
 241
 242 /*
 243  ------------------------------------------------------
 244     QemuCocoaView
 245  ------------------------------------------------------
 246 */
 247 @interface QemuCocoaView : NSView
 248 {
 249     QEMUScreen screen;
 250     NSWindow *fullScreenWindow;
 251     float cx,cy,cw,ch,cdx,cdy;
 252     CGDataProviderRef dataProviderRef;
 253     int modifiers_state[256];
 254     BOOL isMouseGrabbed;
 255     BOOL isFullscreen;
 256     BOOL isAbsoluteEnabled;
 257     BOOL isMouseDeassociated;
 258 }
 259 - (void) switchSurface:(DisplaySurface *)surface;
 260 - (void) grabMouse;
 261 - (void) ungrabMouse;
 262 - (void) toggleFullScreen:(id)sender;
 263 - (void) handleEvent:(NSEvent *)event;
 264 - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
 265 /* The state surrounding mouse grabbing is potentially confusing.
 266  * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
 267  *   pointing device an absolute-position one?"], but is only updated on
 268  *   next refresh.
 269  * isMouseGrabbed tracks whether GUI events are directed to the guest;
 270  *   it controls whether special keys like Cmd get sent to the guest,
 271  *   and whether we capture the mouse when in non-absolute mode.
 272  * isMouseDeassociated tracks whether we've told MacOSX to disassociate
 273  *   the mouse and mouse cursor position by calling
 274  *   CGAssociateMouseAndMouseCursorPosition(FALSE)
 275  *   (which basically happens if we grab in non-absolute mode).
 276  */
 277 - (BOOL) isMouseGrabbed;
 278 - (BOOL) isAbsoluteEnabled;
 279 - (BOOL) isMouseDeassociated;
 280 - (float) cdx;
 281 - (float) cdy;
 282 - (QEMUScreen) gscreen;
 283 @end
 284
 285 QemuCocoaView *cocoaView;
 286
 287 @implementation QemuCocoaView
 288 - (id)initWithFrame:(NSRect)frameRect
 289 {
 290     COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
 291
 292     self = [super initWithFrame:frameRect];
 293     if (self) {
 294
 295         screen.bitsPerComponent = 8;
 296         screen.bitsPerPixel = 32;
 297         screen.width = frameRect.size.width;
 298         screen.height = frameRect.size.height;
 299
 300     }
 301     return self;
 302 }
 303
 304 - (void) dealloc
 305 {
 306     COCOA_DEBUG("QemuCocoaView: dealloc\n");
 307
 308     if (dataProviderRef)
 309         CGDataProviderRelease(dataProviderRef);
 310
 311     [super dealloc];
 312 }
 313
 314 - (BOOL) isOpaque
 315 {
 316     return YES;
 317 }
 318
 319 - (BOOL) screenContainsPoint:(NSPoint) p
 320 {
 321     return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
 322 }
 323
 324 - (void) hideCursor
 325 {
 326     if (!cursor_hide) {
 327         return;
 328     }
 329     [NSCursor hide];
 330 }
 331
 332 - (void) unhideCursor
 333 {
 334     if (!cursor_hide) {
 335         return;
 336     }
 337     [NSCursor unhide];
 338 }
 339
 340 - (void) drawRect:(NSRect) rect
 341 {
 342     COCOA_DEBUG("QemuCocoaView: drawRect\n");
 343
 344     // get CoreGraphic context
 345     CGContextRef viewContextRef = [[NSGraphicsContext currentContext] graphicsPort];
 346     CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
 347     CGContextSetShouldAntialias (viewContextRef, NO);
 348
 349     // draw screen bitmap directly to Core Graphics context
 350     if (!dataProviderRef) {
 351         // Draw request before any guest device has set up a framebuffer:
 352         // just draw an opaque black rectangle
 353         CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
 354         CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
 355     } else {
 356         CGImageRef imageRef = CGImageCreate(
 357             screen.width, //width
 358             screen.height, //height
 359             screen.bitsPerComponent, //bitsPerComponent
 360             screen.bitsPerPixel, //bitsPerPixel
 361             (screen.width * (screen.bitsPerComponent/2)), //bytesPerRow
 362 #ifdef __LITTLE_ENDIAN__
 363             CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
 364             kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
 365 #else
 366             CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
 367             kCGImageAlphaNoneSkipFirst, //bitmapInfo
 368 #endif
 369             dataProviderRef, //provider
 370             NULL, //decode
 371             0, //interpolate
 372             kCGRenderingIntentDefault //intent
 373         );
 374         // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
 375         const NSRect *rectList;
 376         NSInteger rectCount;
 377         int i;
 378         CGImageRef clipImageRef;
 379         CGRect clipRect;
 380
 381         [self getRectsBeingDrawn:&rectList count:&rectCount];
 382         for (i = 0; i < rectCount; i++) {
 383             clipRect.origin.x = rectList[i].origin.x / cdx;
 384             clipRect.origin.y = (float)screen.height - (rectList[i].origin.y + rectList[i].size.height) / cdy;
 385             clipRect.size.width = rectList[i].size.width / cdx;
 386             clipRect.size.height = rectList[i].size.height / cdy;
 387             clipImageRef = CGImageCreateWithImageInRect(
 388                                                         imageRef,
 389                                                         clipRect
 390                                                         );
 391             CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
 392             CGImageRelease (clipImageRef);
 393         }
 394         CGImageRelease (imageRef);
 395     }
 396 }
 397
 398 - (void) setContentDimensions
 399 {
 400     COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
 401
 402     if (isFullscreen) {
 403         cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
 404         cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
 405
 406         /* stretches video, but keeps same aspect ratio */
 407         if (stretch_video == true) {
 408             /* use smallest stretch value - prevents clipping on sides */
 409             if (MIN(cdx, cdy) == cdx) {
 410                 cdy = cdx;
 411             } else {
 412                 cdx = cdy;
 413             }
 414         } else {  /* No stretching */
 415             cdx = cdy = 1;
 416         }
 417         cw = screen.width * cdx;
 418         ch = screen.height * cdy;
 419         cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
 420         cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
 421     } else {
 422         cx = 0;
 423         cy = 0;
 424         cw = screen.width;
 425         ch = screen.height;
 426         cdx = 1.0;
 427         cdy = 1.0;
 428     }
 429 }
 430
 431 - (void) switchSurface:(DisplaySurface *)surface
 432 {
 433     COCOA_DEBUG("QemuCocoaView: switchSurface\n");
 434
 435     int w = surface_width(surface);
 436     int h = surface_height(surface);
 437     /* cdx == 0 means this is our very first surface, in which case we need
 438      * to recalculate the content dimensions even if it happens to be the size
 439      * of the initial empty window.
 440      */
 441     bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
 442
 443     int oldh = screen.height;
 444     if (isResize) {
 445         // Resize before we trigger the redraw, or we'll redraw at the wrong size
 446         COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
 447         screen.width = w;
 448         screen.height = h;
 449         [self setContentDimensions];
 450         [self setFrame:NSMakeRect(cx, cy, cw, ch)];
 451     }
 452
 453     // update screenBuffer
 454     if (dataProviderRef)
 455         CGDataProviderRelease(dataProviderRef);
 456
 457     //sync host window color space with guests
 458     screen.bitsPerPixel = surface_bits_per_pixel(surface);
 459     screen.bitsPerComponent = surface_bytes_per_pixel(surface) * 2;
 460
 461     dataProviderRef = CGDataProviderCreateWithData(NULL, surface_data(surface), w * 4 * h, NULL);
 462
 463     // update windows
 464     if (isFullscreen) {
 465         [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
 466         [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
 467     } else {
 468         if (qemu_name)
 469             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
 470         [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
 471     }
 472
 473     if (isResize) {
 474         [normalWindow center];
 475     }
 476 }
 477
 478 - (void) toggleFullScreen:(id)sender
 479 {
 480     COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
 481
 482     if (isFullscreen) { // switch from fullscreen to desktop
 483         isFullscreen = FALSE;
 484         [self ungrabMouse];
 485         [self setContentDimensions];
 486         if ([NSView respondsToSelector:@selector(exitFullScreenModeWithOptions:)]) { // test if "exitFullScreenModeWithOptions" is supported on host at runtime
 487             [self exitFullScreenModeWithOptions:nil];
 488         } else {
 489             [fullScreenWindow close];
 490             [normalWindow setContentView: self];
 491             [normalWindow makeKeyAndOrderFront: self];
 492             [NSMenu setMenuBarVisible:YES];
 493         }
 494     } else { // switch from desktop to fullscreen
 495         isFullscreen = TRUE;
 496         [normalWindow orderOut: nil]; /* Hide the window */
 497         [self grabMouse];
 498         [self setContentDimensions];
 499         if ([NSView respondsToSelector:@selector(enterFullScreenMode:withOptions:)]) { // test if "enterFullScreenMode:withOptions" is supported on host at runtime
 500             [self enterFullScreenMode:[NSScreen mainScreen] withOptions:[NSDictionary dictionaryWithObjectsAndKeys:
 501                 [NSNumber numberWithBool:NO], NSFullScreenModeAllScreens,
 502                 [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], kCGDisplayModeIsStretched, nil], NSFullScreenModeSetting,
 503                  nil]];
 504         } else {
 505             [NSMenu setMenuBarVisible:NO];
 506             fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
 507                 styleMask:NSBorderlessWindowMask
 508                 backing:NSBackingStoreBuffered
 509                 defer:NO];
 510             [fullScreenWindow setAcceptsMouseMovedEvents: YES];
 511             [fullScreenWindow setHasShadow:NO];
 512             [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
 513             [self setFrame:NSMakeRect(cx, cy, cw, ch)];
 514             [[fullScreenWindow contentView] addSubview: self];
 515             [fullScreenWindow makeKeyAndOrderFront:self];
 516         }
 517     }
 518 }
 519
 520 - (void) handleEvent:(NSEvent *)event
 521 {
 522     COCOA_DEBUG("QemuCocoaView: handleEvent\n");
 523
 524     int buttons = 0;
 525     int keycode;
 526     bool mouse_event = false;
 527     NSPoint p = [event locationInWindow];
 528
 529     switch ([event type]) {
 530         case NSFlagsChanged:
 531             keycode = cocoa_keycode_to_qemu([event keyCode]);
 532
 533             if ((keycode == 219 || keycode == 220) && !isMouseGrabbed) {
 534               /* Don't pass command key changes to guest unless mouse is grabbed */
 535               keycode = 0;
 536             }
 537
 538             if (keycode) {
 539                 if (keycode == 58 || keycode == 69) { // emulate caps lock and num lock keydown and keyup
 540                     qemu_input_event_send_key_number(dcl->con, keycode, true);
 541                     qemu_input_event_send_key_number(dcl->con, keycode, false);
 542                 } else if (qemu_console_is_graphic(NULL)) {
 543                     if (modifiers_state[keycode] == 0) { // keydown
 544                         qemu_input_event_send_key_number(dcl->con, keycode, true);
 545                         modifiers_state[keycode] = 1;
 546                     } else { // keyup
 547                         qemu_input_event_send_key_number(dcl->con, keycode, false);
 548                         modifiers_state[keycode] = 0;
 549                     }
 550                 }
 551             }
 552
 553             // release Mouse grab when pressing ctrl+alt
 554             if (([event modifierFlags] & NSControlKeyMask) && ([event modifierFlags] & NSAlternateKeyMask)) {
 555                 [self ungrabMouse];
 556             }
 557             break;
 558         case NSKeyDown:
 559             keycode = cocoa_keycode_to_qemu([event keyCode]);
 560
 561             // forward command key combos to the host UI unless the mouse is grabbed
 562             if (!isMouseGrabbed && ([event modifierFlags] & NSCommandKeyMask)) {
 563                 [NSApp sendEvent:event];
 564                 return;
 565             }
 566
 567             // default
 568
 569             // handle control + alt Key Combos (ctrl+alt is reserved for QEMU)
 570             if (([event modifierFlags] & NSControlKeyMask) && ([event modifierFlags] & NSAlternateKeyMask)) {
 571                 switch (keycode) {
 572
 573                     // enable graphic console
 574                     case 0x02 ... 0x0a: // '1' to '9' keys
 575                         console_select(keycode - 0x02);
 576                         break;
 577                 }
 578
 579             // handle keys for graphic console
 580             } else if (qemu_console_is_graphic(NULL)) {
 581                 qemu_input_event_send_key_number(dcl->con, keycode, true);
 582
 583             // handlekeys for Monitor
 584             } else {
 585                 int keysym = 0;
 586                 switch([event keyCode]) {
 587                 case 115:
 588                     keysym = QEMU_KEY_HOME;
 589                     break;
 590                 case 117:
 591                     keysym = QEMU_KEY_DELETE;
 592                     break;
 593                 case 119:
 594                     keysym = QEMU_KEY_END;
 595                     break;
 596                 case 123:
 597                     keysym = QEMU_KEY_LEFT;
 598                     break;
 599                 case 124:
 600                     keysym = QEMU_KEY_RIGHT;
 601                     break;
 602                 case 125:
 603                     keysym = QEMU_KEY_DOWN;
 604                     break;
 605                 case 126:
 606                     keysym = QEMU_KEY_UP;
 607                     break;
 608                 default:
 609                     {
 610                         NSString *ks = [event characters];
 611                         if ([ks length] > 0)
 612                             keysym = [ks characterAtIndex:0];
 613                     }
 614                 }
 615                 if (keysym)
 616                     kbd_put_keysym(keysym);
 617             }
 618             break;
 619         case NSKeyUp:
 620             keycode = cocoa_keycode_to_qemu([event keyCode]);
 621
 622             // don't pass the guest a spurious key-up if we treated this
 623             // command-key combo as a host UI action
 624             if (!isMouseGrabbed && ([event modifierFlags] & NSCommandKeyMask)) {
 625                 return;
 626             }
 627
 628             if (qemu_console_is_graphic(NULL)) {
 629                 qemu_input_event_send_key_number(dcl->con, keycode, false);
 630             }
 631             break;
 632         case NSMouseMoved:
 633             if (isAbsoluteEnabled) {
 634                 if (![self screenContainsPoint:p] || ![[self window] isKeyWindow]) {
 635                     if (isMouseGrabbed) {
 636                         [self ungrabMouse];
 637                     }
 638                 } else {
 639                     if (!isMouseGrabbed) {
 640                         [self grabMouse];
 641                     }
 642                 }
 643             }
 644             mouse_event = true;
 645             break;
 646         case NSLeftMouseDown:
 647             if ([event modifierFlags] & NSCommandKeyMask) {
 648                 buttons |= MOUSE_EVENT_RBUTTON;
 649             } else {
 650                 buttons |= MOUSE_EVENT_LBUTTON;
 651             }
 652             mouse_event = true;
 653             break;
 654         case NSRightMouseDown:
 655             buttons |= MOUSE_EVENT_RBUTTON;
 656             mouse_event = true;
 657             break;
 658         case NSOtherMouseDown:
 659             buttons |= MOUSE_EVENT_MBUTTON;
 660             mouse_event = true;
 661             break;
 662         case NSLeftMouseDragged:
 663             if ([event modifierFlags] & NSCommandKeyMask) {
 664                 buttons |= MOUSE_EVENT_RBUTTON;
 665             } else {
 666                 buttons |= MOUSE_EVENT_LBUTTON;
 667             }
 668             mouse_event = true;
 669             break;
 670         case NSRightMouseDragged:
 671             buttons |= MOUSE_EVENT_RBUTTON;
 672             mouse_event = true;
 673             break;
 674         case NSOtherMouseDragged:
 675             buttons |= MOUSE_EVENT_MBUTTON;
 676             mouse_event = true;
 677             break;
 678         case NSLeftMouseUp:
 679             mouse_event = true;
 680             if (!isMouseGrabbed && [self screenContainsPoint:p]) {
 681                 [self grabMouse];
 682             }
 683             break;
 684         case NSRightMouseUp:
 685             mouse_event = true;
 686             break;
 687         case NSOtherMouseUp:
 688             mouse_event = true;
 689             break;
 690         case NSScrollWheel:
 691             if (isMouseGrabbed) {
 692                 buttons |= ([event deltaY] < 0) ?
 693                     MOUSE_EVENT_WHEELUP : MOUSE_EVENT_WHEELDN;
 694             }
 695             mouse_event = true;
 696             break;
 697         default:
 698             [NSApp sendEvent:event];
 699     }
 700
 701     if (mouse_event) {
 702         if (last_buttons != buttons) {
 703             static uint32_t bmap[INPUT_BUTTON_MAX] = {
 704                 [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
 705                 [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
 706                 [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON,
 707                 [INPUT_BUTTON_WHEEL_UP]   = MOUSE_EVENT_WHEELUP,
 708                 [INPUT_BUTTON_WHEEL_DOWN] = MOUSE_EVENT_WHEELDN,
 709             };
 710             qemu_input_update_buttons(dcl->con, bmap, last_buttons, buttons);
 711             last_buttons = buttons;
 712         }
 713         if (isMouseGrabbed) {
 714             if (isAbsoluteEnabled) {
 715                 /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
 716                  * The check on screenContainsPoint is to avoid sending out of range values for
 717                  * clicks in the titlebar.
 718                  */
 719                 if ([self screenContainsPoint:p]) {
 720                     qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, screen.width);
 721                     qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, screen.height);
 722                 }
 723             } else {
 724                 qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]);
 725                 qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, (int)[event deltaY]);
 726             }
 727         } else {
 728             [NSApp sendEvent:event];
 729         }
 730         qemu_input_event_sync();
 731     }
 732 }
 733
 734 - (void) grabMouse
 735 {
 736     COCOA_DEBUG("QemuCocoaView: grabMouse\n");
 737
 738     if (!isFullscreen) {
 739         if (qemu_name)
 740             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt to release Mouse)", qemu_name]];
 741         else
 742             [normalWindow setTitle:@"QEMU - (Press ctrl + alt to release Mouse)"];
 743     }
 744     [self hideCursor];
 745     if (!isAbsoluteEnabled) {
 746         isMouseDeassociated = TRUE;
 747         CGAssociateMouseAndMouseCursorPosition(FALSE);
 748     }
 749     isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
 750 }
 751
 752 - (void) ungrabMouse
 753 {
 754     COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
 755
 756     if (!isFullscreen) {
 757         if (qemu_name)
 758             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
 759         else
 760             [normalWindow setTitle:@"QEMU"];
 761     }
 762     [self unhideCursor];
 763     if (isMouseDeassociated) {
 764         CGAssociateMouseAndMouseCursorPosition(TRUE);
 765         isMouseDeassociated = FALSE;
 766     }
 767     isMouseGrabbed = FALSE;
 768 }
 769
 770 - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
 771 - (BOOL) isMouseGrabbed {return isMouseGrabbed;}
 772 - (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
 773 - (BOOL) isMouseDeassociated {return isMouseDeassociated;}
 774 - (float) cdx {return cdx;}
 775 - (float) cdy {return cdy;}
 776 - (QEMUScreen) gscreen {return screen;}
 777 @end
 778
 779
 780
 781 /*
 782  ------------------------------------------------------
 783     QemuCocoaAppController
 784  ------------------------------------------------------
 785 */
 786 @interface QemuCocoaAppController : NSObject
 787 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6)
 788                                              <NSApplicationDelegate>
 789 #endif
 790 {
 791 }
 792 - (void)startEmulationWithArgc:(int)argc argv:(char**)argv;
 793 - (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo;
 794 - (void)doToggleFullScreen:(id)sender;
 795 - (void)toggleFullScreen:(id)sender;
 796 - (void)showQEMUDoc:(id)sender;
 797 - (void)showQEMUTec:(id)sender;
 798 - (void)zoomToFit:(id) sender;
 799 @end
 800
 801 @implementation QemuCocoaAppController
 802 - (id) init
 803 {
 804     COCOA_DEBUG("QemuCocoaAppController: init\n");
 805
 806     self = [super init];
 807     if (self) {
 808
 809         // create a view and add it to the window
 810         cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
 811         if(!cocoaView) {
 812             fprintf(stderr, "(cocoa) can't create a view\n");
 813             exit(1);
 814         }
 815
 816         // create a window
 817         normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
 818             styleMask:NSTitledWindowMask|NSMiniaturizableWindowMask|NSClosableWindowMask
 819             backing:NSBackingStoreBuffered defer:NO];
 820         if(!normalWindow) {
 821             fprintf(stderr, "(cocoa) can't create window\n");
 822             exit(1);
 823         }
 824         [normalWindow setAcceptsMouseMovedEvents:YES];
 825         [normalWindow setTitle:[NSString stringWithFormat:@"QEMU"]];
 826         [normalWindow setContentView:cocoaView];
 827         [normalWindow useOptimizedDrawing:YES];
 828         [normalWindow makeKeyAndOrderFront:self];
 829         [normalWindow center];
 830         stretch_video = false;
 831     }
 832     return self;
 833 }
 834
 835 - (void) dealloc
 836 {
 837     COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
 838
 839     if (cocoaView)
 840         [cocoaView release];
 841     [super dealloc];
 842 }
 843
 844 - (void)applicationDidFinishLaunching: (NSNotification *) note
 845 {
 846     COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
 847
 848     // Display an open dialog box if no arguments were passed or
 849     // if qemu was launched from the finder ( the Finder passes "-psn" )
 850     if( gArgc <= 1 || strncmp ((char *)gArgv[1], "-psn", 4) == 0) {
 851         NSOpenPanel *op = [[NSOpenPanel alloc] init];
 852         [op setPrompt:@"Boot image"];
 853         [op setMessage:@"Select the disk image you want to boot.\n\nHit the \"Cancel\" button to quit"];
 854         NSArray *filetypes = [NSArray arrayWithObjects:@"img", @"iso", @"dmg",
 855                                  @"qcow", @"qcow2", @"cloop", @"vmdk", nil];
 856 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6)
 857         [op setAllowedFileTypes:filetypes];
 858         [op beginSheetModalForWindow:normalWindow
 859             completionHandler:^(NSInteger returnCode)
 860             { [self openPanelDidEnd:op
 861                   returnCode:returnCode contextInfo:NULL ]; } ];
 862 #else
 863         // Compatibility code for pre-10.6, using deprecated method
 864         [op beginSheetForDirectory:nil file:nil types:filetypes
 865               modalForWindow:normalWindow modalDelegate:self
 866               didEndSelector:@selector(openPanelDidEnd:returnCode:contextInfo:) contextInfo:NULL];
 867 #endif
 868     } else {
 869         // or launch QEMU, with the global args
 870         [self startEmulationWithArgc:gArgc argv:(char **)gArgv];
 871     }
 872 }
 873
 874 - (void)applicationWillTerminate:(NSNotification *)aNotification
 875 {
 876     COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
 877
 878     qemu_system_shutdown_request();
 879     exit(0);
 880 }
 881
 882 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
 883 {
 884     return YES;
 885 }
 886
 887 - (void)startEmulationWithArgc:(int)argc argv:(char**)argv
 888 {
 889     COCOA_DEBUG("QemuCocoaAppController: startEmulationWithArgc\n");
 890
 891     int status;
 892     status = qemu_main(argc, argv, *_NSGetEnviron());
 893     exit(status);
 894 }
 895
 896 - (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo
 897 {
 898     COCOA_DEBUG("QemuCocoaAppController: openPanelDidEnd\n");
 899
 900     if(returnCode == NSCancelButton) {
 901         exit(0);
 902     } else if(returnCode == NSOKButton) {
 903         char *img = (char*)[ [ [ sheet URL ] path ] cStringUsingEncoding:NSASCIIStringEncoding];
 904
 905         char **argv = g_new(char *, 4);
 906
 907         [sheet close];
 908
 909         argv[0] = g_strdup(gArgv[0]);
 910         argv[1] = g_strdup("-hda");
 911         argv[2] = g_strdup(img);
 912         argv[3] = NULL;
 913
 914         // printf("Using argc %d argv %s -hda %s\n", 3, gArgv[0], img);
 915
 916         [self startEmulationWithArgc:3 argv:(char**)argv];
 917     }
 918 }
 919
 920 /* We abstract the method called by the Enter Fullscreen menu item
 921  * because Mac OS 10.7 and higher disables it. This is because of the
 922  * menu item's old selector's name toggleFullScreen:
 923  */
 924 - (void) doToggleFullScreen:(id)sender
 925 {
 926     [self toggleFullScreen:(id)sender];
 927 }
 928
 929 - (void)toggleFullScreen:(id)sender
 930 {
 931     COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
 932
 933     [cocoaView toggleFullScreen:sender];
 934 }
 935
 936 - (void)showQEMUDoc:(id)sender
 937 {
 938     COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
 939
 940     [[NSWorkspace sharedWorkspace] openFile:[NSString stringWithFormat:@"%@/../doc/qemu/qemu-doc.html",
 941         [[NSBundle mainBundle] resourcePath]] withApplication:@"Help Viewer"];
 942 }
 943
 944 - (void)showQEMUTec:(id)sender
 945 {
 946     COCOA_DEBUG("QemuCocoaAppController: showQEMUTec\n");
 947
 948     [[NSWorkspace sharedWorkspace] openFile:[NSString stringWithFormat:@"%@/../doc/qemu/qemu-tech.html",
 949         [[NSBundle mainBundle] resourcePath]] withApplication:@"Help Viewer"];
 950 }
 951
 952 /* Stretches video to fit host monitor size */
 953 - (void)zoomToFit:(id) sender
 954 {
 955     stretch_video = !stretch_video;
 956     if (stretch_video == true) {
 957         [sender setState: NSOnState];
 958     } else {
 959         [sender setState: NSOffState];
 960     }
 961 }
 962 @end
 963
 964
 965
 966 int main (int argc, const char * argv[]) {
 967
 968     gArgc = argc;
 969     gArgv = (char **)argv;
 970     int i;
 971
 972     /* In case we don't need to display a window, let's not do that */
 973     for (i = 1; i < argc; i++) {
 974         const char *opt = argv[i];
 975
 976         if (opt[0] == '-') {
 977             /* Treat --foo the same as -foo.  */
 978             if (opt[1] == '-') {
 979                 opt++;
 980             }
 981             if (!strcmp(opt, "-h") || !strcmp(opt, "-help") ||
 982                 !strcmp(opt, "-vnc") ||
 983                 !strcmp(opt, "-nographic") ||
 984                 !strcmp(opt, "-version") ||
 985                 !strcmp(opt, "-curses") ||
 986                 !strcmp(opt, "-qtest")) {
 987                 return qemu_main(gArgc, gArgv, *_NSGetEnviron());
 988             }
 989         }
 990     }
 991
 992     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
 993
 994     // Pull this console process up to being a fully-fledged graphical
 995     // app with a menubar and Dock icon
 996     ProcessSerialNumber psn = { 0, kCurrentProcess };
 997     TransformProcessType(&psn, kProcessTransformToForegroundApplication);
 998
 999     [NSApplication sharedApplication];
1000
1001     // Add menus
1002     NSMenu      *menu;
1003     NSMenuItem  *menuItem;
1004
1005     [NSApp setMainMenu:[[NSMenu alloc] init]];
1006
1007     // Application menu
1008     menu = [[NSMenu alloc] initWithTitle:@""];
1009     [menu addItemWithTitle:@"About QEMU" action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""]; // About QEMU
1010     [menu addItem:[NSMenuItem separatorItem]]; //Separator
1011     [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1012     menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1013     [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
1014     [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1015     [menu addItem:[NSMenuItem separatorItem]]; //Separator
1016     [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1017     menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1018     [menuItem setSubmenu:menu];
1019     [[NSApp mainMenu] addItem:menuItem];
1020     [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1021
1022     // View menu
1023     menu = [[NSMenu alloc] initWithTitle:@"View"];
1024     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1025     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1026     menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1027     [menuItem setSubmenu:menu];
1028     [[NSApp mainMenu] addItem:menuItem];
1029
1030     // Window menu
1031     menu = [[NSMenu alloc] initWithTitle:@"Window"];
1032     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1033     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1034     [menuItem setSubmenu:menu];
1035     [[NSApp mainMenu] addItem:menuItem];
1036     [NSApp setWindowsMenu:menu];
1037
1038     // Help menu
1039     menu = [[NSMenu alloc] initWithTitle:@"Help"];
1040     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1041     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Technology" action:@selector(showQEMUTec:) keyEquivalent:@""] autorelease]]; // QEMU Help
1042     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1043     [menuItem setSubmenu:menu];
1044     [[NSApp mainMenu] addItem:menuItem];
1045
1046     // Create an Application controller
1047     QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1048     [NSApp setDelegate:appController];
1049
1050     // Start the main event loop
1051     [NSApp run];
1052
1053     [appController release];
1054     [pool release];
1055
1056     return 0;
1057 }
1058
1059
1060
1061 #pragma mark qemu
1062 static void cocoa_update(DisplayChangeListener *dcl,
1063                          int x, int y, int w, int h)
1064 {
1065     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1066
1067     COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1068
1069     NSRect rect;
1070     if ([cocoaView cdx] == 1.0) {
1071         rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1072     } else {
1073         rect = NSMakeRect(
1074             x * [cocoaView cdx],
1075             ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1076             w * [cocoaView cdx],
1077             h * [cocoaView cdy]);
1078     }
1079     [cocoaView setNeedsDisplayInRect:rect];
1080
1081     [pool release];
1082 }
1083
1084 static void cocoa_switch(DisplayChangeListener *dcl,
1085                          DisplaySurface *surface)
1086 {
1087     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1088
1089     COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1090     [cocoaView switchSurface:surface];
1091     [pool release];
1092 }
1093
1094 static void cocoa_refresh(DisplayChangeListener *dcl)
1095 {
1096     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1097
1098     COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1099
1100     if (qemu_input_is_absolute()) {
1101         if (![cocoaView isAbsoluteEnabled]) {
1102             if ([cocoaView isMouseGrabbed]) {
1103                 [cocoaView ungrabMouse];
1104             }
1105         }
1106         [cocoaView setAbsoluteEnabled:YES];
1107     }
1108
1109     NSDate *distantPast;
1110     NSEvent *event;
1111     distantPast = [NSDate distantPast];
1112     do {
1113         event = [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:distantPast
1114                         inMode: NSDefaultRunLoopMode dequeue:YES];
1115         if (event != nil) {
1116             [cocoaView handleEvent:event];
1117         }
1118     } while(event != nil);
1119     graphic_hw_update(NULL);
1120     [pool release];
1121 }
1122
1123 static void cocoa_cleanup(void)
1124 {
1125     COCOA_DEBUG("qemu_cocoa: cocoa_cleanup\n");
1126     g_free(dcl);
1127 }
1128
1129 static const DisplayChangeListenerOps dcl_ops = {
1130     .dpy_name          = "cocoa",
1131     .dpy_gfx_update = cocoa_update,
1132     .dpy_gfx_switch = cocoa_switch,
1133     .dpy_refresh = cocoa_refresh,
1134 };
1135
1136 void cocoa_display_init(DisplayState *ds, int full_screen)
1137 {
1138     COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1139
1140     /* if fullscreen mode is to be used */
1141     if (full_screen == true) {
1142         [NSApp activateIgnoringOtherApps: YES];
1143         [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1144     }
1145
1146     dcl = g_malloc0(sizeof(DisplayChangeListener));
1147
1148     // register vga output callbacks
1149     dcl->ops = &dcl_ops;
1150     register_displaychangelistener(dcl);
1151
1152     // register cleanup function
1153     atexit(cocoa_cleanup);
1154 }