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 #include "qemu/osdep.h"
  26
  27 #import <Cocoa/Cocoa.h>
  28 #include <crt_externs.h>
  29
  30 #include "qemu-common.h"
  31 #include "ui/console.h"
  32 #include "ui/input.h"
  33 #include "sysemu/sysemu.h"
  34 #include "qapi/error.h"
  35 #include "qapi/qapi-commands-block.h"
  36 #include "qapi/qapi-commands-misc.h"
  37 #include "sysemu/blockdev.h"
  38 #include "qemu-version.h"
  39 #include "qemu/module.h"
  40 #include <Carbon/Carbon.h>
  41 #include "qom/cpu.h"
  42
  43 #ifndef MAC_OS_X_VERSION_10_5
  44 #define MAC_OS_X_VERSION_10_5 1050
  45 #endif
  46 #ifndef MAC_OS_X_VERSION_10_6
  47 #define MAC_OS_X_VERSION_10_6 1060
  48 #endif
  49 #ifndef MAC_OS_X_VERSION_10_9
  50 #define MAC_OS_X_VERSION_10_9 1090
  51 #endif
  52 #ifndef MAC_OS_X_VERSION_10_10
  53 #define MAC_OS_X_VERSION_10_10 101000
  54 #endif
  55 #ifndef MAC_OS_X_VERSION_10_12
  56 #define MAC_OS_X_VERSION_10_12 101200
  57 #endif
  58 #ifndef MAC_OS_X_VERSION_10_13
  59 #define MAC_OS_X_VERSION_10_13 101300
  60 #endif
  61
  62 /* macOS 10.12 deprecated many constants, #define the new names for older SDKs */
  63 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_12
  64 #define NSEventMaskAny                  NSAnyEventMask
  65 #define NSEventModifierFlagCapsLock     NSAlphaShiftKeyMask
  66 #define NSEventModifierFlagShift        NSShiftKeyMask
  67 #define NSEventModifierFlagCommand      NSCommandKeyMask
  68 #define NSEventModifierFlagControl      NSControlKeyMask
  69 #define NSEventModifierFlagOption       NSAlternateKeyMask
  70 #define NSEventTypeFlagsChanged         NSFlagsChanged
  71 #define NSEventTypeKeyUp                NSKeyUp
  72 #define NSEventTypeKeyDown              NSKeyDown
  73 #define NSEventTypeMouseMoved           NSMouseMoved
  74 #define NSEventTypeLeftMouseDown        NSLeftMouseDown
  75 #define NSEventTypeRightMouseDown       NSRightMouseDown
  76 #define NSEventTypeOtherMouseDown       NSOtherMouseDown
  77 #define NSEventTypeLeftMouseDragged     NSLeftMouseDragged
  78 #define NSEventTypeRightMouseDragged    NSRightMouseDragged
  79 #define NSEventTypeOtherMouseDragged    NSOtherMouseDragged
  80 #define NSEventTypeLeftMouseUp          NSLeftMouseUp
  81 #define NSEventTypeRightMouseUp         NSRightMouseUp
  82 #define NSEventTypeOtherMouseUp         NSOtherMouseUp
  83 #define NSEventTypeScrollWheel          NSScrollWheel
  84 #define NSTextAlignmentCenter           NSCenterTextAlignment
  85 #define NSWindowStyleMaskBorderless     NSBorderlessWindowMask
  86 #define NSWindowStyleMaskClosable       NSClosableWindowMask
  87 #define NSWindowStyleMaskMiniaturizable NSMiniaturizableWindowMask
  88 #define NSWindowStyleMaskTitled         NSTitledWindowMask
  89 #endif
  90 /* 10.13 deprecates NSFileHandlingPanelOKButton in favour of
  91  * NSModalResponseOK, which was introduced in 10.9. Define
  92  * it for older versions.
  93  */
  94 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_9
  95 #define NSModalResponseOK NSFileHandlingPanelOKButton
  96 #endif
  97 /* 10.14 deprecates NSOnState and NSOffState in favor of
  98  * NSControlStateValueOn/Off, which were introduced in 10.13.
  99  * Define for older versions
 100  */
 101 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
 102 #define NSControlStateValueOn NSOnState
 103 #define NSControlStateValueOff NSOffState
 104 #endif
 105
 106 //#define DEBUG
 107
 108 #ifdef DEBUG
 109 #define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
 110 #else
 111 #define COCOA_DEBUG(...)  ((void) 0)
 112 #endif
 113
 114 #define cgrect(nsrect) (*(CGRect *)&(nsrect))
 115
 116 typedef struct {
 117     int width;
 118     int height;
 119     int bitsPerComponent;
 120     int bitsPerPixel;
 121 } QEMUScreen;
 122
 123 NSWindow *normalWindow, *about_window;
 124 static DisplayChangeListener *dcl;
 125 static int last_buttons;
 126
 127 int gArgc;
 128 char **gArgv;
 129 bool stretch_video;
 130 NSTextField *pauseLabel;
 131 NSArray * supportedImageFileTypes;
 132
 133 static QemuSemaphore display_init_sem;
 134 static QemuSemaphore app_started_sem;
 135
 136 // Utility functions to run specified code block with iothread lock held
 137 typedef void (^CodeBlock)(void);
 138 typedef bool (^BoolCodeBlock)(void);
 139
 140 static void with_iothread_lock(CodeBlock block)
 141 {
 142     bool locked = qemu_mutex_iothread_locked();
 143     if (!locked) {
 144         qemu_mutex_lock_iothread();
 145     }
 146     block();
 147     if (!locked) {
 148         qemu_mutex_unlock_iothread();
 149     }
 150 }
 151
 152 static bool bool_with_iothread_lock(BoolCodeBlock block)
 153 {
 154     bool locked = qemu_mutex_iothread_locked();
 155     bool val;
 156
 157     if (!locked) {
 158         qemu_mutex_lock_iothread();
 159     }
 160     val = block();
 161     if (!locked) {
 162         qemu_mutex_unlock_iothread();
 163     }
 164     return val;
 165 }
 166
 167 // Mac to QKeyCode conversion
 168 const int mac_to_qkeycode_map[] = {
 169     [kVK_ANSI_A] = Q_KEY_CODE_A,
 170     [kVK_ANSI_B] = Q_KEY_CODE_B,
 171     [kVK_ANSI_C] = Q_KEY_CODE_C,
 172     [kVK_ANSI_D] = Q_KEY_CODE_D,
 173     [kVK_ANSI_E] = Q_KEY_CODE_E,
 174     [kVK_ANSI_F] = Q_KEY_CODE_F,
 175     [kVK_ANSI_G] = Q_KEY_CODE_G,
 176     [kVK_ANSI_H] = Q_KEY_CODE_H,
 177     [kVK_ANSI_I] = Q_KEY_CODE_I,
 178     [kVK_ANSI_J] = Q_KEY_CODE_J,
 179     [kVK_ANSI_K] = Q_KEY_CODE_K,
 180     [kVK_ANSI_L] = Q_KEY_CODE_L,
 181     [kVK_ANSI_M] = Q_KEY_CODE_M,
 182     [kVK_ANSI_N] = Q_KEY_CODE_N,
 183     [kVK_ANSI_O] = Q_KEY_CODE_O,
 184     [kVK_ANSI_P] = Q_KEY_CODE_P,
 185     [kVK_ANSI_Q] = Q_KEY_CODE_Q,
 186     [kVK_ANSI_R] = Q_KEY_CODE_R,
 187     [kVK_ANSI_S] = Q_KEY_CODE_S,
 188     [kVK_ANSI_T] = Q_KEY_CODE_T,
 189     [kVK_ANSI_U] = Q_KEY_CODE_U,
 190     [kVK_ANSI_V] = Q_KEY_CODE_V,
 191     [kVK_ANSI_W] = Q_KEY_CODE_W,
 192     [kVK_ANSI_X] = Q_KEY_CODE_X,
 193     [kVK_ANSI_Y] = Q_KEY_CODE_Y,
 194     [kVK_ANSI_Z] = Q_KEY_CODE_Z,
 195
 196     [kVK_ANSI_0] = Q_KEY_CODE_0,
 197     [kVK_ANSI_1] = Q_KEY_CODE_1,
 198     [kVK_ANSI_2] = Q_KEY_CODE_2,
 199     [kVK_ANSI_3] = Q_KEY_CODE_3,
 200     [kVK_ANSI_4] = Q_KEY_CODE_4,
 201     [kVK_ANSI_5] = Q_KEY_CODE_5,
 202     [kVK_ANSI_6] = Q_KEY_CODE_6,
 203     [kVK_ANSI_7] = Q_KEY_CODE_7,
 204     [kVK_ANSI_8] = Q_KEY_CODE_8,
 205     [kVK_ANSI_9] = Q_KEY_CODE_9,
 206
 207     [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
 208     [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
 209     [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
 210     [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
 211     [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
 212     [kVK_Tab] = Q_KEY_CODE_TAB,
 213     [kVK_Return] = Q_KEY_CODE_RET,
 214     [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
 215     [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
 216     [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
 217     [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
 218     [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
 219     [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
 220     [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
 221     [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
 222     [kVK_Shift] = Q_KEY_CODE_SHIFT,
 223     [kVK_RightShift] = Q_KEY_CODE_SHIFT_R,
 224     [kVK_Control] = Q_KEY_CODE_CTRL,
 225     [kVK_RightControl] = Q_KEY_CODE_CTRL_R,
 226     [kVK_Option] = Q_KEY_CODE_ALT,
 227     [kVK_RightOption] = Q_KEY_CODE_ALT_R,
 228     [kVK_Command] = Q_KEY_CODE_META_L,
 229     [0x36] = Q_KEY_CODE_META_R, /* There is no kVK_RightCommand */
 230     [kVK_Space] = Q_KEY_CODE_SPC,
 231
 232     [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
 233     [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
 234     [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
 235     [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
 236     [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
 237     [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
 238     [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
 239     [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
 240     [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
 241     [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
 242     [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
 243     [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
 244     [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
 245     [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
 246     [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
 247     [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
 248     [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
 249     [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
 250
 251     [kVK_UpArrow] = Q_KEY_CODE_UP,
 252     [kVK_DownArrow] = Q_KEY_CODE_DOWN,
 253     [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
 254     [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
 255
 256     [kVK_Help] = Q_KEY_CODE_INSERT,
 257     [kVK_Home] = Q_KEY_CODE_HOME,
 258     [kVK_PageUp] = Q_KEY_CODE_PGUP,
 259     [kVK_PageDown] = Q_KEY_CODE_PGDN,
 260     [kVK_End] = Q_KEY_CODE_END,
 261     [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
 262
 263     [kVK_Escape] = Q_KEY_CODE_ESC,
 264
 265     /* The Power key can't be used directly because the operating system uses
 266      * it. This key can be emulated by using it in place of another key such as
 267      * F1. Don't forget to disable the real key binding.
 268      */
 269     /* [kVK_F1] = Q_KEY_CODE_POWER, */
 270
 271     [kVK_F1] = Q_KEY_CODE_F1,
 272     [kVK_F2] = Q_KEY_CODE_F2,
 273     [kVK_F3] = Q_KEY_CODE_F3,
 274     [kVK_F4] = Q_KEY_CODE_F4,
 275     [kVK_F5] = Q_KEY_CODE_F5,
 276     [kVK_F6] = Q_KEY_CODE_F6,
 277     [kVK_F7] = Q_KEY_CODE_F7,
 278     [kVK_F8] = Q_KEY_CODE_F8,
 279     [kVK_F9] = Q_KEY_CODE_F9,
 280     [kVK_F10] = Q_KEY_CODE_F10,
 281     [kVK_F11] = Q_KEY_CODE_F11,
 282     [kVK_F12] = Q_KEY_CODE_F12,
 283     [kVK_F13] = Q_KEY_CODE_PRINT,
 284     [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
 285     [kVK_F15] = Q_KEY_CODE_PAUSE,
 286
 287     /*
 288      * The eject and volume keys can't be used here because they are handled at
 289      * a lower level than what an Application can see.
 290      */
 291 };
 292
 293 static int cocoa_keycode_to_qemu(int keycode)
 294 {
 295     if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
 296         fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
 297         return 0;
 298     }
 299     return mac_to_qkeycode_map[keycode];
 300 }
 301
 302 /* Displays an alert dialog box with the specified message */
 303 static void QEMU_Alert(NSString *message)
 304 {
 305     NSAlert *alert;
 306     alert = [NSAlert new];
 307     [alert setMessageText: message];
 308     [alert runModal];
 309 }
 310
 311 /* Handles any errors that happen with a device transaction */
 312 static void handleAnyDeviceErrors(Error * err)
 313 {
 314     if (err) {
 315         QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
 316                                       encoding: NSASCIIStringEncoding]);
 317         error_free(err);
 318     }
 319 }
 320
 321 /*
 322  ------------------------------------------------------
 323     QemuCocoaView
 324  ------------------------------------------------------
 325 */
 326 @interface QemuCocoaView : NSView
 327 {
 328     QEMUScreen screen;
 329     NSWindow *fullScreenWindow;
 330     float cx,cy,cw,ch,cdx,cdy;
 331     CGDataProviderRef dataProviderRef;
 332     pixman_image_t *pixman_image;
 333     BOOL modifiers_state[256];
 334     BOOL isMouseGrabbed;
 335     BOOL isFullscreen;
 336     BOOL isAbsoluteEnabled;
 337     BOOL isMouseDeassociated;
 338 }
 339 - (void) switchSurface:(pixman_image_t *)image;
 340 - (void) grabMouse;
 341 - (void) ungrabMouse;
 342 - (void) toggleFullScreen:(id)sender;
 343 - (void) handleMonitorInput:(NSEvent *)event;
 344 - (bool) handleEvent:(NSEvent *)event;
 345 - (bool) handleEventLocked:(NSEvent *)event;
 346 - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
 347 /* The state surrounding mouse grabbing is potentially confusing.
 348  * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
 349  *   pointing device an absolute-position one?"], but is only updated on
 350  *   next refresh.
 351  * isMouseGrabbed tracks whether GUI events are directed to the guest;
 352  *   it controls whether special keys like Cmd get sent to the guest,
 353  *   and whether we capture the mouse when in non-absolute mode.
 354  * isMouseDeassociated tracks whether we've told MacOSX to disassociate
 355  *   the mouse and mouse cursor position by calling
 356  *   CGAssociateMouseAndMouseCursorPosition(FALSE)
 357  *   (which basically happens if we grab in non-absolute mode).
 358  */
 359 - (BOOL) isMouseGrabbed;
 360 - (BOOL) isAbsoluteEnabled;
 361 - (BOOL) isMouseDeassociated;
 362 - (float) cdx;
 363 - (float) cdy;
 364 - (QEMUScreen) gscreen;
 365 - (void) raiseAllKeys;
 366 @end
 367
 368 QemuCocoaView *cocoaView;
 369
 370 @implementation QemuCocoaView
 371 - (id)initWithFrame:(NSRect)frameRect
 372 {
 373     COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
 374
 375     self = [super initWithFrame:frameRect];
 376     if (self) {
 377
 378         screen.bitsPerComponent = 8;
 379         screen.bitsPerPixel = 32;
 380         screen.width = frameRect.size.width;
 381         screen.height = frameRect.size.height;
 382
 383     }
 384     return self;
 385 }
 386
 387 - (void) dealloc
 388 {
 389     COCOA_DEBUG("QemuCocoaView: dealloc\n");
 390
 391     if (dataProviderRef) {
 392         CGDataProviderRelease(dataProviderRef);
 393         pixman_image_unref(pixman_image);
 394     }
 395
 396     [super dealloc];
 397 }
 398
 399 - (BOOL) isOpaque
 400 {
 401     return YES;
 402 }
 403
 404 - (BOOL) screenContainsPoint:(NSPoint) p
 405 {
 406     return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
 407 }
 408
 409 - (void) hideCursor
 410 {
 411     if (!cursor_hide) {
 412         return;
 413     }
 414     [NSCursor hide];
 415 }
 416
 417 - (void) unhideCursor
 418 {
 419     if (!cursor_hide) {
 420         return;
 421     }
 422     [NSCursor unhide];
 423 }
 424
 425 - (void) drawRect:(NSRect) rect
 426 {
 427     COCOA_DEBUG("QemuCocoaView: drawRect\n");
 428
 429     // get CoreGraphic context
 430 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_10
 431     CGContextRef viewContextRef = [[NSGraphicsContext currentContext] graphicsPort];
 432 #else
 433     CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
 434 #endif
 435
 436     CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
 437     CGContextSetShouldAntialias (viewContextRef, NO);
 438
 439     // draw screen bitmap directly to Core Graphics context
 440     if (!dataProviderRef) {
 441         // Draw request before any guest device has set up a framebuffer:
 442         // just draw an opaque black rectangle
 443         CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
 444         CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
 445     } else {
 446         CGImageRef imageRef = CGImageCreate(
 447             screen.width, //width
 448             screen.height, //height
 449             screen.bitsPerComponent, //bitsPerComponent
 450             screen.bitsPerPixel, //bitsPerPixel
 451             (screen.width * (screen.bitsPerComponent/2)), //bytesPerRow
 452 #ifdef __LITTLE_ENDIAN__
 453             CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
 454             kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
 455 #else
 456             CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
 457             kCGImageAlphaNoneSkipFirst, //bitmapInfo
 458 #endif
 459             dataProviderRef, //provider
 460             NULL, //decode
 461             0, //interpolate
 462             kCGRenderingIntentDefault //intent
 463         );
 464         // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
 465         const NSRect *rectList;
 466         NSInteger rectCount;
 467         int i;
 468         CGImageRef clipImageRef;
 469         CGRect clipRect;
 470
 471         [self getRectsBeingDrawn:&rectList count:&rectCount];
 472         for (i = 0; i < rectCount; i++) {
 473             clipRect.origin.x = rectList[i].origin.x / cdx;
 474             clipRect.origin.y = (float)screen.height - (rectList[i].origin.y + rectList[i].size.height) / cdy;
 475             clipRect.size.width = rectList[i].size.width / cdx;
 476             clipRect.size.height = rectList[i].size.height / cdy;
 477             clipImageRef = CGImageCreateWithImageInRect(
 478                                                         imageRef,
 479                                                         clipRect
 480                                                         );
 481             CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
 482             CGImageRelease (clipImageRef);
 483         }
 484         CGImageRelease (imageRef);
 485     }
 486 }
 487
 488 - (void) setContentDimensions
 489 {
 490     COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
 491
 492     if (isFullscreen) {
 493         cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
 494         cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
 495
 496         /* stretches video, but keeps same aspect ratio */
 497         if (stretch_video == true) {
 498             /* use smallest stretch value - prevents clipping on sides */
 499             if (MIN(cdx, cdy) == cdx) {
 500                 cdy = cdx;
 501             } else {
 502                 cdx = cdy;
 503             }
 504         } else {  /* No stretching */
 505             cdx = cdy = 1;
 506         }
 507         cw = screen.width * cdx;
 508         ch = screen.height * cdy;
 509         cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
 510         cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
 511     } else {
 512         cx = 0;
 513         cy = 0;
 514         cw = screen.width;
 515         ch = screen.height;
 516         cdx = 1.0;
 517         cdy = 1.0;
 518     }
 519 }
 520
 521 - (void) switchSurface:(pixman_image_t *)image
 522 {
 523     COCOA_DEBUG("QemuCocoaView: switchSurface\n");
 524
 525     int w = pixman_image_get_width(image);
 526     int h = pixman_image_get_height(image);
 527     pixman_format_code_t image_format = pixman_image_get_format(image);
 528     /* cdx == 0 means this is our very first surface, in which case we need
 529      * to recalculate the content dimensions even if it happens to be the size
 530      * of the initial empty window.
 531      */
 532     bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
 533
 534     int oldh = screen.height;
 535     if (isResize) {
 536         // Resize before we trigger the redraw, or we'll redraw at the wrong size
 537         COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
 538         screen.width = w;
 539         screen.height = h;
 540         [self setContentDimensions];
 541         [self setFrame:NSMakeRect(cx, cy, cw, ch)];
 542     }
 543
 544     // update screenBuffer
 545     if (dataProviderRef) {
 546         CGDataProviderRelease(dataProviderRef);
 547         pixman_image_unref(pixman_image);
 548     }
 549
 550     //sync host window color space with guests
 551     screen.bitsPerPixel = PIXMAN_FORMAT_BPP(image_format);
 552     screen.bitsPerComponent = DIV_ROUND_UP(screen.bitsPerPixel, 8) * 2;
 553
 554     pixman_image = image;
 555     dataProviderRef = CGDataProviderCreateWithData(NULL, pixman_image_get_data(image), w * 4 * h, NULL);
 556
 557     // update windows
 558     if (isFullscreen) {
 559         [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
 560         [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
 561     } else {
 562         if (qemu_name)
 563             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
 564         [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
 565     }
 566
 567     if (isResize) {
 568         [normalWindow center];
 569     }
 570 }
 571
 572 - (void) toggleFullScreen:(id)sender
 573 {
 574     COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
 575
 576     if (isFullscreen) { // switch from fullscreen to desktop
 577         isFullscreen = FALSE;
 578         [self ungrabMouse];
 579         [self setContentDimensions];
 580         if ([NSView respondsToSelector:@selector(exitFullScreenModeWithOptions:)]) { // test if "exitFullScreenModeWithOptions" is supported on host at runtime
 581             [self exitFullScreenModeWithOptions:nil];
 582         } else {
 583             [fullScreenWindow close];
 584             [normalWindow setContentView: self];
 585             [normalWindow makeKeyAndOrderFront: self];
 586             [NSMenu setMenuBarVisible:YES];
 587         }
 588     } else { // switch from desktop to fullscreen
 589         isFullscreen = TRUE;
 590         [normalWindow orderOut: nil]; /* Hide the window */
 591         [self grabMouse];
 592         [self setContentDimensions];
 593         if ([NSView respondsToSelector:@selector(enterFullScreenMode:withOptions:)]) { // test if "enterFullScreenMode:withOptions" is supported on host at runtime
 594             [self enterFullScreenMode:[NSScreen mainScreen] withOptions:[NSDictionary dictionaryWithObjectsAndKeys:
 595                 [NSNumber numberWithBool:NO], NSFullScreenModeAllScreens,
 596                 [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], kCGDisplayModeIsStretched, nil], NSFullScreenModeSetting,
 597                  nil]];
 598         } else {
 599             [NSMenu setMenuBarVisible:NO];
 600             fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
 601                 styleMask:NSWindowStyleMaskBorderless
 602                 backing:NSBackingStoreBuffered
 603                 defer:NO];
 604             [fullScreenWindow setAcceptsMouseMovedEvents: YES];
 605             [fullScreenWindow setHasShadow:NO];
 606             [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
 607             [self setFrame:NSMakeRect(cx, cy, cw, ch)];
 608             [[fullScreenWindow contentView] addSubview: self];
 609             [fullScreenWindow makeKeyAndOrderFront:self];
 610         }
 611     }
 612 }
 613
 614 - (void) toggleModifier: (int)keycode {
 615     // Toggle the stored state.
 616     modifiers_state[keycode] = !modifiers_state[keycode];
 617     // Send a keyup or keydown depending on the state.
 618     qemu_input_event_send_key_qcode(dcl->con, keycode, modifiers_state[keycode]);
 619 }
 620
 621 - (void) toggleStatefulModifier: (int)keycode {
 622     // Toggle the stored state.
 623     modifiers_state[keycode] = !modifiers_state[keycode];
 624     // Generate keydown and keyup.
 625     qemu_input_event_send_key_qcode(dcl->con, keycode, true);
 626     qemu_input_event_send_key_qcode(dcl->con, keycode, false);
 627 }
 628
 629 // Does the work of sending input to the monitor
 630 - (void) handleMonitorInput:(NSEvent *)event
 631 {
 632     int keysym = 0;
 633     int control_key = 0;
 634
 635     // if the control key is down
 636     if ([event modifierFlags] & NSEventModifierFlagControl) {
 637         control_key = 1;
 638     }
 639
 640     /* translates Macintosh keycodes to QEMU's keysym */
 641
 642     int without_control_translation[] = {
 643         [0 ... 0xff] = 0,   // invalid key
 644
 645         [kVK_UpArrow]       = QEMU_KEY_UP,
 646         [kVK_DownArrow]     = QEMU_KEY_DOWN,
 647         [kVK_RightArrow]    = QEMU_KEY_RIGHT,
 648         [kVK_LeftArrow]     = QEMU_KEY_LEFT,
 649         [kVK_Home]          = QEMU_KEY_HOME,
 650         [kVK_End]           = QEMU_KEY_END,
 651         [kVK_PageUp]        = QEMU_KEY_PAGEUP,
 652         [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
 653         [kVK_ForwardDelete] = QEMU_KEY_DELETE,
 654         [kVK_Delete]        = QEMU_KEY_BACKSPACE,
 655     };
 656
 657     int with_control_translation[] = {
 658         [0 ... 0xff] = 0,   // invalid key
 659
 660         [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
 661         [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
 662         [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
 663         [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
 664         [kVK_Home]          = QEMU_KEY_CTRL_HOME,
 665         [kVK_End]           = QEMU_KEY_CTRL_END,
 666         [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
 667         [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
 668     };
 669
 670     if (control_key != 0) { /* If the control key is being used */
 671         if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
 672             keysym = with_control_translation[[event keyCode]];
 673         }
 674     } else {
 675         if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
 676             keysym = without_control_translation[[event keyCode]];
 677         }
 678     }
 679
 680     // if not a key that needs translating
 681     if (keysym == 0) {
 682         NSString *ks = [event characters];
 683         if ([ks length] > 0) {
 684             keysym = [ks characterAtIndex:0];
 685         }
 686     }
 687
 688     if (keysym) {
 689         kbd_put_keysym(keysym);
 690     }
 691 }
 692
 693 - (bool) handleEvent:(NSEvent *)event
 694 {
 695     return bool_with_iothread_lock(^{
 696         return [self handleEventLocked:event];
 697     });
 698 }
 699
 700 - (bool) handleEventLocked:(NSEvent *)event
 701 {
 702     /* Return true if we handled the event, false if it should be given to OSX */
 703     COCOA_DEBUG("QemuCocoaView: handleEvent\n");
 704     int buttons = 0;
 705     int keycode = 0;
 706     bool mouse_event = false;
 707     static bool switched_to_fullscreen = false;
 708     NSPoint p = [event locationInWindow];
 709
 710     switch ([event type]) {
 711         case NSEventTypeFlagsChanged:
 712             if ([event keyCode] == 0) {
 713                 // When the Cocoa keyCode is zero that means keys should be
 714                 // synthesized based on the values in in the eventModifiers
 715                 // bitmask.
 716
 717                 if (qemu_console_is_graphic(NULL)) {
 718                     NSUInteger modifiers = [event modifierFlags];
 719
 720                     if (!!(modifiers & NSEventModifierFlagCapsLock) != !!modifiers_state[Q_KEY_CODE_CAPS_LOCK]) {
 721                         [self toggleStatefulModifier:Q_KEY_CODE_CAPS_LOCK];
 722                     }
 723                     if (!!(modifiers & NSEventModifierFlagShift) != !!modifiers_state[Q_KEY_CODE_SHIFT]) {
 724                         [self toggleModifier:Q_KEY_CODE_SHIFT];
 725                     }
 726                     if (!!(modifiers & NSEventModifierFlagControl) != !!modifiers_state[Q_KEY_CODE_CTRL]) {
 727                         [self toggleModifier:Q_KEY_CODE_CTRL];
 728                     }
 729                     if (!!(modifiers & NSEventModifierFlagOption) != !!modifiers_state[Q_KEY_CODE_ALT]) {
 730                         [self toggleModifier:Q_KEY_CODE_ALT];
 731                     }
 732                     if (!!(modifiers & NSEventModifierFlagCommand) != !!modifiers_state[Q_KEY_CODE_META_L]) {
 733                         [self toggleModifier:Q_KEY_CODE_META_L];
 734                     }
 735                 }
 736             } else {
 737                 keycode = cocoa_keycode_to_qemu([event keyCode]);
 738             }
 739
 740             if ((keycode == Q_KEY_CODE_META_L || keycode == Q_KEY_CODE_META_R)
 741                && !isMouseGrabbed) {
 742               /* Don't pass command key changes to guest unless mouse is grabbed */
 743               keycode = 0;
 744             }
 745
 746             if (keycode) {
 747                 // emulate caps lock and num lock keydown and keyup
 748                 if (keycode == Q_KEY_CODE_CAPS_LOCK ||
 749                     keycode == Q_KEY_CODE_NUM_LOCK) {
 750                     [self toggleStatefulModifier:keycode];
 751                 } else if (qemu_console_is_graphic(NULL)) {
 752                     if (switched_to_fullscreen) {
 753                         switched_to_fullscreen = false;
 754                     } else {
 755                         [self toggleModifier:keycode];
 756                     }
 757                 }
 758             }
 759
 760             break;
 761         case NSEventTypeKeyDown:
 762             keycode = cocoa_keycode_to_qemu([event keyCode]);
 763
 764             // forward command key combos to the host UI unless the mouse is grabbed
 765             if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
 766                 /*
 767                  * Prevent the command key from being stuck down in the guest
 768                  * when using Command-F to switch to full screen mode.
 769                  */
 770                 if (keycode == Q_KEY_CODE_F) {
 771                     switched_to_fullscreen = true;
 772                 }
 773                 return false;
 774             }
 775
 776             // default
 777
 778             // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
 779             if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
 780                 NSString *keychar = [event charactersIgnoringModifiers];
 781                 if ([keychar length] == 1) {
 782                     char key = [keychar characterAtIndex:0];
 783                     switch (key) {
 784
 785                         // enable graphic console
 786                         case '1' ... '9':
 787                             console_select(key - '0' - 1); /* ascii math */
 788                             return true;
 789
 790                         // release the mouse grab
 791                         case 'g':
 792                             [self ungrabMouse];
 793                             return true;
 794                     }
 795                 }
 796             }
 797
 798             if (qemu_console_is_graphic(NULL)) {
 799                 qemu_input_event_send_key_qcode(dcl->con, keycode, true);
 800             } else {
 801                 [self handleMonitorInput: event];
 802             }
 803             break;
 804         case NSEventTypeKeyUp:
 805             keycode = cocoa_keycode_to_qemu([event keyCode]);
 806
 807             // don't pass the guest a spurious key-up if we treated this
 808             // command-key combo as a host UI action
 809             if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
 810                 return true;
 811             }
 812
 813             if (qemu_console_is_graphic(NULL)) {
 814                 qemu_input_event_send_key_qcode(dcl->con, keycode, false);
 815             }
 816             break;
 817         case NSEventTypeMouseMoved:
 818             if (isAbsoluteEnabled) {
 819                 if (![self screenContainsPoint:p] || ![[self window] isKeyWindow]) {
 820                     if (isMouseGrabbed) {
 821                         [self ungrabMouse];
 822                     }
 823                 } else {
 824                     if (!isMouseGrabbed) {
 825                         [self grabMouse];
 826                     }
 827                 }
 828             }
 829             mouse_event = true;
 830             break;
 831         case NSEventTypeLeftMouseDown:
 832             if ([event modifierFlags] & NSEventModifierFlagCommand) {
 833                 buttons |= MOUSE_EVENT_RBUTTON;
 834             } else {
 835                 buttons |= MOUSE_EVENT_LBUTTON;
 836             }
 837             mouse_event = true;
 838             break;
 839         case NSEventTypeRightMouseDown:
 840             buttons |= MOUSE_EVENT_RBUTTON;
 841             mouse_event = true;
 842             break;
 843         case NSEventTypeOtherMouseDown:
 844             buttons |= MOUSE_EVENT_MBUTTON;
 845             mouse_event = true;
 846             break;
 847         case NSEventTypeLeftMouseDragged:
 848             if ([event modifierFlags] & NSEventModifierFlagCommand) {
 849                 buttons |= MOUSE_EVENT_RBUTTON;
 850             } else {
 851                 buttons |= MOUSE_EVENT_LBUTTON;
 852             }
 853             mouse_event = true;
 854             break;
 855         case NSEventTypeRightMouseDragged:
 856             buttons |= MOUSE_EVENT_RBUTTON;
 857             mouse_event = true;
 858             break;
 859         case NSEventTypeOtherMouseDragged:
 860             buttons |= MOUSE_EVENT_MBUTTON;
 861             mouse_event = true;
 862             break;
 863         case NSEventTypeLeftMouseUp:
 864             mouse_event = true;
 865             if (!isMouseGrabbed && [self screenContainsPoint:p]) {
 866                 if([[self window] isKeyWindow]) {
 867                     [self grabMouse];
 868                 }
 869             }
 870             break;
 871         case NSEventTypeRightMouseUp:
 872             mouse_event = true;
 873             break;
 874         case NSEventTypeOtherMouseUp:
 875             mouse_event = true;
 876             break;
 877         case NSEventTypeScrollWheel:
 878             /*
 879              * Send wheel events to the guest regardless of window focus.
 880              * This is in-line with standard Mac OS X UI behaviour.
 881              */
 882
 883             /*
 884              * When deltaY is zero, it means that this scrolling event was
 885              * either horizontal, or so fine that it only appears in
 886              * scrollingDeltaY. So we drop the event.
 887              */
 888             if ([event deltaY] != 0) {
 889             /* Determine if this is a scroll up or scroll down event */
 890                 buttons = ([event deltaY] > 0) ?
 891                     INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
 892                 qemu_input_queue_btn(dcl->con, buttons, true);
 893                 qemu_input_event_sync();
 894                 qemu_input_queue_btn(dcl->con, buttons, false);
 895                 qemu_input_event_sync();
 896             }
 897             /*
 898              * Since deltaY also reports scroll wheel events we prevent mouse
 899              * movement code from executing.
 900              */
 901             mouse_event = false;
 902             break;
 903         default:
 904             return false;
 905     }
 906
 907     if (mouse_event) {
 908         /* Don't send button events to the guest unless we've got a
 909          * mouse grab or window focus. If we have neither then this event
 910          * is the user clicking on the background window to activate and
 911          * bring us to the front, which will be done by the sendEvent
 912          * call below. We definitely don't want to pass that click through
 913          * to the guest.
 914          */
 915         if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
 916             (last_buttons != buttons)) {
 917             static uint32_t bmap[INPUT_BUTTON__MAX] = {
 918                 [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
 919                 [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
 920                 [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
 921             };
 922             qemu_input_update_buttons(dcl->con, bmap, last_buttons, buttons);
 923             last_buttons = buttons;
 924         }
 925         if (isMouseGrabbed) {
 926             if (isAbsoluteEnabled) {
 927                 /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
 928                  * The check on screenContainsPoint is to avoid sending out of range values for
 929                  * clicks in the titlebar.
 930                  */
 931                 if ([self screenContainsPoint:p]) {
 932                     qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, 0, screen.width);
 933                     qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
 934                 }
 935             } else {
 936                 qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]);
 937                 qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, (int)[event deltaY]);
 938             }
 939         } else {
 940             return false;
 941         }
 942         qemu_input_event_sync();
 943     }
 944     return true;
 945 }
 946
 947 - (void) grabMouse
 948 {
 949     COCOA_DEBUG("QemuCocoaView: grabMouse\n");
 950
 951     if (!isFullscreen) {
 952         if (qemu_name)
 953             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
 954         else
 955             [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
 956     }
 957     [self hideCursor];
 958     if (!isAbsoluteEnabled) {
 959         isMouseDeassociated = TRUE;
 960         CGAssociateMouseAndMouseCursorPosition(FALSE);
 961     }
 962     isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
 963 }
 964
 965 - (void) ungrabMouse
 966 {
 967     COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
 968
 969     if (!isFullscreen) {
 970         if (qemu_name)
 971             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
 972         else
 973             [normalWindow setTitle:@"QEMU"];
 974     }
 975     [self unhideCursor];
 976     if (isMouseDeassociated) {
 977         CGAssociateMouseAndMouseCursorPosition(TRUE);
 978         isMouseDeassociated = FALSE;
 979     }
 980     isMouseGrabbed = FALSE;
 981 }
 982
 983 - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
 984 - (BOOL) isMouseGrabbed {return isMouseGrabbed;}
 985 - (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
 986 - (BOOL) isMouseDeassociated {return isMouseDeassociated;}
 987 - (float) cdx {return cdx;}
 988 - (float) cdy {return cdy;}
 989 - (QEMUScreen) gscreen {return screen;}
 990
 991 /*
 992  * Makes the target think all down keys are being released.
 993  * This prevents a stuck key problem, since we will not see
 994  * key up events for those keys after we have lost focus.
 995  */
 996 - (void) raiseAllKeys
 997 {
 998     const int max_index = ARRAY_SIZE(modifiers_state);
 999
1000     with_iothread_lock(^{
1001         int index;
1002
1003         for (index = 0; index < max_index; index++) {
1004             if (modifiers_state[index]) {
1005                 modifiers_state[index] = 0;
1006                 qemu_input_event_send_key_qcode(dcl->con, index, false);
1007             }
1008         }
1009     });
1010 }
1011 @end
1012
1013
1014
1015 /*
1016  ------------------------------------------------------
1017     QemuCocoaAppController
1018  ------------------------------------------------------
1019 */
1020 @interface QemuCocoaAppController : NSObject
1021 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6)
1022                                        <NSWindowDelegate, NSApplicationDelegate>
1023 #endif
1024 {
1025 }
1026 - (void)doToggleFullScreen:(id)sender;
1027 - (void)toggleFullScreen:(id)sender;
1028 - (void)showQEMUDoc:(id)sender;
1029 - (void)zoomToFit:(id) sender;
1030 - (void)displayConsole:(id)sender;
1031 - (void)pauseQEMU:(id)sender;
1032 - (void)resumeQEMU:(id)sender;
1033 - (void)displayPause;
1034 - (void)removePause;
1035 - (void)restartQEMU:(id)sender;
1036 - (void)powerDownQEMU:(id)sender;
1037 - (void)ejectDeviceMedia:(id)sender;
1038 - (void)changeDeviceMedia:(id)sender;
1039 - (BOOL)verifyQuit;
1040 - (void)openDocumentation:(NSString *)filename;
1041 - (IBAction) do_about_menu_item: (id) sender;
1042 - (void)make_about_window;
1043 - (void)adjustSpeed:(id)sender;
1044 @end
1045
1046 @implementation QemuCocoaAppController
1047 - (id) init
1048 {
1049     COCOA_DEBUG("QemuCocoaAppController: init\n");
1050
1051     self = [super init];
1052     if (self) {
1053
1054         // create a view and add it to the window
1055         cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
1056         if(!cocoaView) {
1057             fprintf(stderr, "(cocoa) can't create a view\n");
1058             exit(1);
1059         }
1060
1061         // create a window
1062         normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
1063             styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
1064             backing:NSBackingStoreBuffered defer:NO];
1065         if(!normalWindow) {
1066             fprintf(stderr, "(cocoa) can't create window\n");
1067             exit(1);
1068         }
1069         [normalWindow setAcceptsMouseMovedEvents:YES];
1070         [normalWindow setTitle:@"QEMU"];
1071         [normalWindow setContentView:cocoaView];
1072 #if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_10)
1073         [normalWindow useOptimizedDrawing:YES];
1074 #endif
1075         [normalWindow makeKeyAndOrderFront:self];
1076         [normalWindow center];
1077         [normalWindow setDelegate: self];
1078         stretch_video = false;
1079
1080         /* Used for displaying pause on the screen */
1081         pauseLabel = [NSTextField new];
1082         [pauseLabel setBezeled:YES];
1083         [pauseLabel setDrawsBackground:YES];
1084         [pauseLabel setBackgroundColor: [NSColor whiteColor]];
1085         [pauseLabel setEditable:NO];
1086         [pauseLabel setSelectable:NO];
1087         [pauseLabel setStringValue: @"Paused"];
1088         [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
1089         [pauseLabel setTextColor: [NSColor blackColor]];
1090         [pauseLabel sizeToFit];
1091
1092         // set the supported image file types that can be opened
1093         supportedImageFileTypes = [NSArray arrayWithObjects: @"img", @"iso", @"dmg",
1094                                  @"qcow", @"qcow2", @"cloop", @"vmdk", @"cdr",
1095                                   @"toast", nil];
1096         [self make_about_window];
1097     }
1098     return self;
1099 }
1100
1101 - (void) dealloc
1102 {
1103     COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
1104
1105     if (cocoaView)
1106         [cocoaView release];
1107     [super dealloc];
1108 }
1109
1110 - (void)applicationDidFinishLaunching: (NSNotification *) note
1111 {
1112     COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
1113     /* Tell cocoa_display_init to proceed */
1114     qemu_sem_post(&app_started_sem);
1115 }
1116
1117 - (void)applicationWillTerminate:(NSNotification *)aNotification
1118 {
1119     COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
1120
1121     qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
1122     exit(0);
1123 }
1124
1125 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
1126 {
1127     return YES;
1128 }
1129
1130 - (NSApplicationTerminateReply)applicationShouldTerminate:
1131                                                          (NSApplication *)sender
1132 {
1133     COCOA_DEBUG("QemuCocoaAppController: applicationShouldTerminate\n");
1134     return [self verifyQuit];
1135 }
1136
1137 /* Called when the user clicks on a window's close button */
1138 - (BOOL)windowShouldClose:(id)sender
1139 {
1140     COCOA_DEBUG("QemuCocoaAppController: windowShouldClose\n");
1141     [NSApp terminate: sender];
1142     /* If the user allows the application to quit then the call to
1143      * NSApp terminate will never return. If we get here then the user
1144      * cancelled the quit, so we should return NO to not permit the
1145      * closing of this window.
1146      */
1147     return NO;
1148 }
1149
1150 /* Called when QEMU goes into the background */
1151 - (void) applicationWillResignActive: (NSNotification *)aNotification
1152 {
1153     COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
1154     [cocoaView raiseAllKeys];
1155 }
1156
1157 /* We abstract the method called by the Enter Fullscreen menu item
1158  * because Mac OS 10.7 and higher disables it. This is because of the
1159  * menu item's old selector's name toggleFullScreen:
1160  */
1161 - (void) doToggleFullScreen:(id)sender
1162 {
1163     [self toggleFullScreen:(id)sender];
1164 }
1165
1166 - (void)toggleFullScreen:(id)sender
1167 {
1168     COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
1169
1170     [cocoaView toggleFullScreen:sender];
1171 }
1172
1173 /* Tries to find then open the specified filename */
1174 - (void) openDocumentation: (NSString *) filename
1175 {
1176     /* Where to look for local files */
1177     NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", @"../"};
1178     NSString *full_file_path;
1179
1180     /* iterate thru the possible paths until the file is found */
1181     int index;
1182     for (index = 0; index < ARRAY_SIZE(path_array); index++) {
1183         full_file_path = [[NSBundle mainBundle] executablePath];
1184         full_file_path = [full_file_path stringByDeletingLastPathComponent];
1185         full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
1186                           path_array[index], filename];
1187         if ([[NSWorkspace sharedWorkspace] openFile: full_file_path] == YES) {
1188             return;
1189         }
1190     }
1191
1192     /* If none of the paths opened a file */
1193     NSBeep();
1194     QEMU_Alert(@"Failed to open file");
1195 }
1196
1197 - (void)showQEMUDoc:(id)sender
1198 {
1199     COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
1200
1201     [self openDocumentation: @"qemu-doc.html"];
1202 }
1203
1204 /* Stretches video to fit host monitor size */
1205 - (void)zoomToFit:(id) sender
1206 {
1207     stretch_video = !stretch_video;
1208     if (stretch_video == true) {
1209         [sender setState: NSControlStateValueOn];
1210     } else {
1211         [sender setState: NSControlStateValueOff];
1212     }
1213 }
1214
1215 /* Displays the console on the screen */
1216 - (void)displayConsole:(id)sender
1217 {
1218     console_select([sender tag]);
1219 }
1220
1221 /* Pause the guest */
1222 - (void)pauseQEMU:(id)sender
1223 {
1224     with_iothread_lock(^{
1225         qmp_stop(NULL);
1226     });
1227     [sender setEnabled: NO];
1228     [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
1229     [self displayPause];
1230 }
1231
1232 /* Resume running the guest operating system */
1233 - (void)resumeQEMU:(id) sender
1234 {
1235     with_iothread_lock(^{
1236         qmp_cont(NULL);
1237     });
1238     [sender setEnabled: NO];
1239     [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
1240     [self removePause];
1241 }
1242
1243 /* Displays the word pause on the screen */
1244 - (void)displayPause
1245 {
1246     /* Coordinates have to be calculated each time because the window can change its size */
1247     int xCoord, yCoord, width, height;
1248     xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
1249     yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
1250     width = [pauseLabel frame].size.width;
1251     height = [pauseLabel frame].size.height;
1252     [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
1253     [cocoaView addSubview: pauseLabel];
1254 }
1255
1256 /* Removes the word pause from the screen */
1257 - (void)removePause
1258 {
1259     [pauseLabel removeFromSuperview];
1260 }
1261
1262 /* Restarts QEMU */
1263 - (void)restartQEMU:(id)sender
1264 {
1265     with_iothread_lock(^{
1266         qmp_system_reset(NULL);
1267     });
1268 }
1269
1270 /* Powers down QEMU */
1271 - (void)powerDownQEMU:(id)sender
1272 {
1273     with_iothread_lock(^{
1274         qmp_system_powerdown(NULL);
1275     });
1276 }
1277
1278 /* Ejects the media.
1279  * Uses sender's tag to figure out the device to eject.
1280  */
1281 - (void)ejectDeviceMedia:(id)sender
1282 {
1283     NSString * drive;
1284     drive = [sender representedObject];
1285     if(drive == nil) {
1286         NSBeep();
1287         QEMU_Alert(@"Failed to find drive to eject!");
1288         return;
1289     }
1290
1291     __block Error *err = NULL;
1292     with_iothread_lock(^{
1293         qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
1294                   false, NULL, false, false, &err);
1295     });
1296     handleAnyDeviceErrors(err);
1297 }
1298
1299 /* Displays a dialog box asking the user to select an image file to load.
1300  * Uses sender's represented object value to figure out which drive to use.
1301  */
1302 - (void)changeDeviceMedia:(id)sender
1303 {
1304     /* Find the drive name */
1305     NSString * drive;
1306     drive = [sender representedObject];
1307     if(drive == nil) {
1308         NSBeep();
1309         QEMU_Alert(@"Could not find drive!");
1310         return;
1311     }
1312
1313     /* Display the file open dialog */
1314     NSOpenPanel * openPanel;
1315     openPanel = [NSOpenPanel openPanel];
1316     [openPanel setCanChooseFiles: YES];
1317     [openPanel setAllowsMultipleSelection: NO];
1318     [openPanel setAllowedFileTypes: supportedImageFileTypes];
1319     if([openPanel runModal] == NSModalResponseOK) {
1320         NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
1321         if(file == nil) {
1322             NSBeep();
1323             QEMU_Alert(@"Failed to convert URL to file path!");
1324             return;
1325         }
1326
1327         __block Error *err = NULL;
1328         with_iothread_lock(^{
1329             qmp_blockdev_change_medium(true,
1330                                        [drive cStringUsingEncoding:
1331                                                   NSASCIIStringEncoding],
1332                                        false, NULL,
1333                                        [file cStringUsingEncoding:
1334                                                  NSASCIIStringEncoding],
1335                                        true, "raw",
1336                                        false, 0,
1337                                        &err);
1338         });
1339         handleAnyDeviceErrors(err);
1340     }
1341 }
1342
1343 /* Verifies if the user really wants to quit */
1344 - (BOOL)verifyQuit
1345 {
1346     NSAlert *alert = [NSAlert new];
1347     [alert autorelease];
1348     [alert setMessageText: @"Are you sure you want to quit QEMU?"];
1349     [alert addButtonWithTitle: @"Cancel"];
1350     [alert addButtonWithTitle: @"Quit"];
1351     if([alert runModal] == NSAlertSecondButtonReturn) {
1352         return YES;
1353     } else {
1354         return NO;
1355     }
1356 }
1357
1358 /* The action method for the About menu item */
1359 - (IBAction) do_about_menu_item: (id) sender
1360 {
1361     [about_window makeKeyAndOrderFront: nil];
1362 }
1363
1364 /* Create and display the about dialog */
1365 - (void)make_about_window
1366 {
1367     /* Make the window */
1368     int x = 0, y = 0, about_width = 400, about_height = 200;
1369     NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
1370     about_window = [[NSWindow alloc] initWithContentRect:window_rect
1371                     styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
1372                     NSWindowStyleMaskMiniaturizable
1373                     backing:NSBackingStoreBuffered
1374                     defer:NO];
1375     [about_window setTitle: @"About"];
1376     [about_window setReleasedWhenClosed: NO];
1377     [about_window center];
1378     NSView *superView = [about_window contentView];
1379
1380     /* Create the dimensions of the picture */
1381     int picture_width = 80, picture_height = 80;
1382     x = (about_width - picture_width)/2;
1383     y = about_height - picture_height - 10;
1384     NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
1385
1386     /* Get the path to the QEMU binary */
1387     NSString *binary_name = [NSString stringWithCString: gArgv[0]
1388                                       encoding: NSASCIIStringEncoding];
1389     binary_name = [binary_name lastPathComponent];
1390     NSString *program_path = [[NSString alloc] initWithFormat: @"%@/%@",
1391     [[NSBundle mainBundle] bundlePath], binary_name];
1392
1393     /* Make the picture of QEMU */
1394     NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
1395                                                      picture_rect];
1396     NSImage *qemu_image = [[NSWorkspace sharedWorkspace] iconForFile:
1397                                                          program_path];
1398     [picture_view setImage: qemu_image];
1399     [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
1400     [superView addSubview: picture_view];
1401
1402     /* Make the name label */
1403     x = 0;
1404     y = y - 25;
1405     int name_width = about_width, name_height = 20;
1406     NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
1407     NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
1408     [name_label setEditable: NO];
1409     [name_label setBezeled: NO];
1410     [name_label setDrawsBackground: NO];
1411     [name_label setAlignment: NSTextAlignmentCenter];
1412     NSString *qemu_name = [[NSString alloc] initWithCString: gArgv[0]
1413                                             encoding: NSASCIIStringEncoding];
1414     qemu_name = [qemu_name lastPathComponent];
1415     [name_label setStringValue: qemu_name];
1416     [superView addSubview: name_label];
1417
1418     /* Set the version label's attributes */
1419     x = 0;
1420     y = 50;
1421     int version_width = about_width, version_height = 20;
1422     NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
1423     NSTextField *version_label = [[NSTextField alloc] initWithFrame:
1424                                                       version_rect];
1425     [version_label setEditable: NO];
1426     [version_label setBezeled: NO];
1427     [version_label setAlignment: NSTextAlignmentCenter];
1428     [version_label setDrawsBackground: NO];
1429
1430     /* Create the version string*/
1431     NSString *version_string;
1432     version_string = [[NSString alloc] initWithFormat:
1433     @"QEMU emulator version %s", QEMU_FULL_VERSION];
1434     [version_label setStringValue: version_string];
1435     [superView addSubview: version_label];
1436
1437     /* Make copyright label */
1438     x = 0;
1439     y = 35;
1440     int copyright_width = about_width, copyright_height = 20;
1441     NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
1442     NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
1443                                                         copyright_rect];
1444     [copyright_label setEditable: NO];
1445     [copyright_label setBezeled: NO];
1446     [copyright_label setDrawsBackground: NO];
1447     [copyright_label setAlignment: NSTextAlignmentCenter];
1448     [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
1449                                      QEMU_COPYRIGHT]];
1450     [superView addSubview: copyright_label];
1451 }
1452
1453 /* Used by the Speed menu items */
1454 - (void)adjustSpeed:(id)sender
1455 {
1456     int throttle_pct; /* throttle percentage */
1457     NSMenu *menu;
1458
1459     menu = [sender menu];
1460     if (menu != nil)
1461     {
1462         /* Unselect the currently selected item */
1463         for (NSMenuItem *item in [menu itemArray]) {
1464             if (item.state == NSControlStateValueOn) {
1465                 [item setState: NSControlStateValueOff];
1466                 break;
1467             }
1468         }
1469     }
1470
1471     // check the menu item
1472     [sender setState: NSControlStateValueOn];
1473
1474     // get the throttle percentage
1475     throttle_pct = [sender tag];
1476
1477     with_iothread_lock(^{
1478         cpu_throttle_set(throttle_pct);
1479     });
1480     COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
1481 }
1482
1483 @end
1484
1485 @interface QemuApplication : NSApplication
1486 @end
1487
1488 @implementation QemuApplication
1489 - (void)sendEvent:(NSEvent *)event
1490 {
1491     COCOA_DEBUG("QemuApplication: sendEvent\n");
1492     if (![cocoaView handleEvent:event]) {
1493         [super sendEvent: event];
1494     }
1495 }
1496 @end
1497
1498 static void create_initial_menus(void)
1499 {
1500     // Add menus
1501     NSMenu      *menu;
1502     NSMenuItem  *menuItem;
1503
1504     [NSApp setMainMenu:[[NSMenu alloc] init]];
1505
1506     // Application menu
1507     menu = [[NSMenu alloc] initWithTitle:@""];
1508     [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
1509     [menu addItem:[NSMenuItem separatorItem]]; //Separator
1510     [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1511     menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1512     [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
1513     [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1514     [menu addItem:[NSMenuItem separatorItem]]; //Separator
1515     [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1516     menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1517     [menuItem setSubmenu:menu];
1518     [[NSApp mainMenu] addItem:menuItem];
1519     [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1520
1521     // Machine menu
1522     menu = [[NSMenu alloc] initWithTitle: @"Machine"];
1523     [menu setAutoenablesItems: NO];
1524     [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
1525     menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
1526     [menu addItem: menuItem];
1527     [menuItem setEnabled: NO];
1528     [menu addItem: [NSMenuItem separatorItem]];
1529     [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
1530     [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
1531     menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
1532     [menuItem setSubmenu:menu];
1533     [[NSApp mainMenu] addItem:menuItem];
1534
1535     // View menu
1536     menu = [[NSMenu alloc] initWithTitle:@"View"];
1537     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1538     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1539     menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1540     [menuItem setSubmenu:menu];
1541     [[NSApp mainMenu] addItem:menuItem];
1542
1543     // Speed menu
1544     menu = [[NSMenu alloc] initWithTitle:@"Speed"];
1545
1546     // Add the rest of the Speed menu items
1547     int p, percentage, throttle_pct;
1548     for (p = 10; p >= 0; p--)
1549     {
1550         percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
1551
1552         menuItem = [[[NSMenuItem alloc]
1553                    initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
1554
1555         if (percentage == 100) {
1556             [menuItem setState: NSControlStateValueOn];
1557         }
1558
1559         /* Calculate the throttle percentage */
1560         throttle_pct = -1 * percentage + 100;
1561
1562         [menuItem setTag: throttle_pct];
1563         [menu addItem: menuItem];
1564     }
1565     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
1566     [menuItem setSubmenu:menu];
1567     [[NSApp mainMenu] addItem:menuItem];
1568
1569     // Window menu
1570     menu = [[NSMenu alloc] initWithTitle:@"Window"];
1571     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1572     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1573     [menuItem setSubmenu:menu];
1574     [[NSApp mainMenu] addItem:menuItem];
1575     [NSApp setWindowsMenu:menu];
1576
1577     // Help menu
1578     menu = [[NSMenu alloc] initWithTitle:@"Help"];
1579     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1580     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1581     [menuItem setSubmenu:menu];
1582     [[NSApp mainMenu] addItem:menuItem];
1583 }
1584
1585 /* Returns a name for a given console */
1586 static NSString * getConsoleName(QemuConsole * console)
1587 {
1588     return [NSString stringWithFormat: @"%s", qemu_console_get_label(console)];
1589 }
1590
1591 /* Add an entry to the View menu for each console */
1592 static void add_console_menu_entries(void)
1593 {
1594     NSMenu *menu;
1595     NSMenuItem *menuItem;
1596     int index = 0;
1597
1598     menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
1599
1600     [menu addItem:[NSMenuItem separatorItem]];
1601
1602     while (qemu_console_lookup_by_index(index) != NULL) {
1603         menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
1604                                                action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
1605         [menuItem setTag: index];
1606         [menu addItem: menuItem];
1607         index++;
1608     }
1609 }
1610
1611 /* Make menu items for all removable devices.
1612  * Each device is given an 'Eject' and 'Change' menu item.
1613  */
1614 static void addRemovableDevicesMenuItems(void)
1615 {
1616     NSMenu *menu;
1617     NSMenuItem *menuItem;
1618     BlockInfoList *currentDevice, *pointerToFree;
1619     NSString *deviceName;
1620
1621     currentDevice = qmp_query_block(NULL);
1622     pointerToFree = currentDevice;
1623     if(currentDevice == NULL) {
1624         NSBeep();
1625         QEMU_Alert(@"Failed to query for block devices!");
1626         return;
1627     }
1628
1629     menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
1630
1631     // Add a separator between related groups of menu items
1632     [menu addItem:[NSMenuItem separatorItem]];
1633
1634     // Set the attributes to the "Removable Media" menu item
1635     NSString *titleString = @"Removable Media";
1636     NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
1637     NSColor *newColor = [NSColor blackColor];
1638     NSFontManager *fontManager = [NSFontManager sharedFontManager];
1639     NSFont *font = [fontManager fontWithFamily:@"Helvetica"
1640                                           traits:NSBoldFontMask|NSItalicFontMask
1641                                           weight:0
1642                                             size:14];
1643     [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
1644     [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
1645     [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
1646
1647     // Add the "Removable Media" menu item
1648     menuItem = [NSMenuItem new];
1649     [menuItem setAttributedTitle: attString];
1650     [menuItem setEnabled: NO];
1651     [menu addItem: menuItem];
1652
1653     /* Loop through all the block devices in the emulator */
1654     while (currentDevice) {
1655         deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
1656
1657         if(currentDevice->value->removable) {
1658             menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
1659                                                   action: @selector(changeDeviceMedia:)
1660                                            keyEquivalent: @""];
1661             [menu addItem: menuItem];
1662             [menuItem setRepresentedObject: deviceName];
1663             [menuItem autorelease];
1664
1665             menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
1666                                                   action: @selector(ejectDeviceMedia:)
1667                                            keyEquivalent: @""];
1668             [menu addItem: menuItem];
1669             [menuItem setRepresentedObject: deviceName];
1670             [menuItem autorelease];
1671         }
1672         currentDevice = currentDevice->next;
1673     }
1674     qapi_free_BlockInfoList(pointerToFree);
1675 }
1676
1677 /*
1678  * The startup process for the OSX/Cocoa UI is complicated, because
1679  * OSX insists that the UI runs on the initial main thread, and so we
1680  * need to start a second thread which runs the vl.c qemu_main():
1681  *
1682  * Initial thread:                    2nd thread:
1683  * in main():
1684  *  create qemu-main thread
1685  *  wait on display_init semaphore
1686  *                                    call qemu_main()
1687  *                                    ...
1688  *                                    in cocoa_display_init():
1689  *                                     post the display_init semaphore
1690  *                                     wait on app_started semaphore
1691  *  create application, menus, etc
1692  *  enter OSX run loop
1693  * in applicationDidFinishLaunching:
1694  *  post app_started semaphore
1695  *                                     tell main thread to fullscreen if needed
1696  *                                    [...]
1697  *                                    run qemu main-loop
1698  *
1699  * We do this in two stages so that we don't do the creation of the
1700  * GUI application menus and so on for command line options like --help
1701  * where we want to just print text to stdout and exit immediately.
1702  */
1703
1704 static void *call_qemu_main(void *opaque)
1705 {
1706     int status;
1707
1708     COCOA_DEBUG("Second thread: calling qemu_main()\n");
1709     status = qemu_main(gArgc, gArgv, *_NSGetEnviron());
1710     COCOA_DEBUG("Second thread: qemu_main() returned, exiting\n");
1711     exit(status);
1712 }
1713
1714 int main (int argc, const char * argv[]) {
1715     QemuThread thread;
1716
1717     COCOA_DEBUG("Entered main()\n");
1718     gArgc = argc;
1719     gArgv = (char **)argv;
1720
1721     qemu_sem_init(&display_init_sem, 0);
1722     qemu_sem_init(&app_started_sem, 0);
1723
1724     qemu_thread_create(&thread, "qemu_main", call_qemu_main,
1725                        NULL, QEMU_THREAD_DETACHED);
1726
1727     COCOA_DEBUG("Main thread: waiting for display_init_sem\n");
1728     qemu_sem_wait(&display_init_sem);
1729     COCOA_DEBUG("Main thread: initializing app\n");
1730
1731     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1732
1733     // Pull this console process up to being a fully-fledged graphical
1734     // app with a menubar and Dock icon
1735     ProcessSerialNumber psn = { 0, kCurrentProcess };
1736     TransformProcessType(&psn, kProcessTransformToForegroundApplication);
1737
1738     [QemuApplication sharedApplication];
1739
1740     create_initial_menus();
1741
1742     /*
1743      * Create the menu entries which depend on QEMU state (for consoles
1744      * and removeable devices). These make calls back into QEMU functions,
1745      * which is OK because at this point we know that the second thread
1746      * holds the iothread lock and is synchronously waiting for us to
1747      * finish.
1748      */
1749     add_console_menu_entries();
1750     addRemovableDevicesMenuItems();
1751
1752     // Create an Application controller
1753     QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1754     [NSApp setDelegate:appController];
1755
1756     // Start the main event loop
1757     COCOA_DEBUG("Main thread: entering OSX run loop\n");
1758     [NSApp run];
1759     COCOA_DEBUG("Main thread: left OSX run loop, exiting\n");
1760
1761     [appController release];
1762     [pool release];
1763
1764     return 0;
1765 }
1766
1767
1768
1769 #pragma mark qemu
1770 static void cocoa_update(DisplayChangeListener *dcl,
1771                          int x, int y, int w, int h)
1772 {
1773     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1774
1775     COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1776
1777     dispatch_async(dispatch_get_main_queue(), ^{
1778         NSRect rect;
1779         if ([cocoaView cdx] == 1.0) {
1780             rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1781         } else {
1782             rect = NSMakeRect(
1783                 x * [cocoaView cdx],
1784                 ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1785                 w * [cocoaView cdx],
1786                 h * [cocoaView cdy]);
1787         }
1788         [cocoaView setNeedsDisplayInRect:rect];
1789     });
1790
1791     [pool release];
1792 }
1793
1794 static void cocoa_switch(DisplayChangeListener *dcl,
1795                          DisplaySurface *surface)
1796 {
1797     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1798     pixman_image_t *image = surface->image;
1799
1800     COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1801
1802     // The DisplaySurface will be freed as soon as this callback returns.
1803     // We take a reference to the underlying pixman image here so it does
1804     // not disappear from under our feet; the switchSurface method will
1805     // deref the old image when it is done with it.
1806     pixman_image_ref(image);
1807
1808     dispatch_async(dispatch_get_main_queue(), ^{
1809         [cocoaView switchSurface:image];
1810     });
1811     [pool release];
1812 }
1813
1814 static void cocoa_refresh(DisplayChangeListener *dcl)
1815 {
1816     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1817
1818     COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1819     graphic_hw_update(NULL);
1820
1821     if (qemu_input_is_absolute()) {
1822         dispatch_async(dispatch_get_main_queue(), ^{
1823             if (![cocoaView isAbsoluteEnabled]) {
1824                 if ([cocoaView isMouseGrabbed]) {
1825                     [cocoaView ungrabMouse];
1826                 }
1827             }
1828             [cocoaView setAbsoluteEnabled:YES];
1829         });
1830     }
1831     [pool release];
1832 }
1833
1834 static void cocoa_cleanup(void)
1835 {
1836     COCOA_DEBUG("qemu_cocoa: cocoa_cleanup\n");
1837     g_free(dcl);
1838 }
1839
1840 static const DisplayChangeListenerOps dcl_ops = {
1841     .dpy_name          = "cocoa",
1842     .dpy_gfx_update = cocoa_update,
1843     .dpy_gfx_switch = cocoa_switch,
1844     .dpy_refresh = cocoa_refresh,
1845 };
1846
1847 static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
1848 {
1849     COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1850
1851     /* Tell main thread to go ahead and create the app and enter the run loop */
1852     qemu_sem_post(&display_init_sem);
1853     qemu_sem_wait(&app_started_sem);
1854     COCOA_DEBUG("cocoa_display_init: app start completed\n");
1855
1856     /* if fullscreen mode is to be used */
1857     if (opts->has_full_screen && opts->full_screen) {
1858         dispatch_async(dispatch_get_main_queue(), ^{
1859             [NSApp activateIgnoringOtherApps: YES];
1860             [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1861         });
1862     }
1863
1864     dcl = g_malloc0(sizeof(DisplayChangeListener));
1865
1866     // register vga output callbacks
1867     dcl->ops = &dcl_ops;
1868     register_displaychangelistener(dcl);
1869
1870     // register cleanup function
1871     atexit(cocoa_cleanup);
1872 }
1873
1874 static QemuDisplay qemu_display_cocoa = {
1875     .type       = DISPLAY_TYPE_COCOA,
1876     .init       = cocoa_display_init,
1877 };
1878
1879 static void register_cocoa(void)
1880 {
1881     qemu_display_register(&qemu_display_cocoa);
1882 }
1883
1884 type_init(register_cocoa);