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 "sysemu/runstate.h"
  35 #include "qapi/error.h"
  36 #include "qapi/qapi-commands-block.h"
  37 #include "qapi/qapi-commands-misc.h"
  38 #include "sysemu/blockdev.h"
  39 #include "qemu-version.h"
  40 #include "qemu/main-loop.h"
  41 #include "qemu/module.h"
  42 #include <Carbon/Carbon.h>
  43 #include "hw/core/cpu.h"
  44
  45 #ifndef MAC_OS_X_VERSION_10_13
  46 #define MAC_OS_X_VERSION_10_13 101300
  47 #endif
  48
  49 /* 10.14 deprecates NSOnState and NSOffState in favor of
  50  * NSControlStateValueOn/Off, which were introduced in 10.13.
  51  * Define for older versions
  52  */
  53 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
  54 #define NSControlStateValueOn NSOnState
  55 #define NSControlStateValueOff NSOffState
  56 #endif
  57
  58 //#define DEBUG
  59
  60 #ifdef DEBUG
  61 #define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
  62 #else
  63 #define COCOA_DEBUG(...)  ((void) 0)
  64 #endif
  65
  66 #define cgrect(nsrect) (*(CGRect *)&(nsrect))
  67
  68 typedef struct {
  69     int width;
  70     int height;
  71     int bitsPerComponent;
  72     int bitsPerPixel;
  73 } QEMUScreen;
  74
  75 NSWindow *normalWindow, *about_window;
  76 static DisplayChangeListener *dcl;
  77 static int last_buttons;
  78 static int cursor_hide = 1;
  79
  80 int gArgc;
  81 char **gArgv;
  82 bool stretch_video;
  83 NSTextField *pauseLabel;
  84 NSArray * supportedImageFileTypes;
  85
  86 static QemuSemaphore display_init_sem;
  87 static QemuSemaphore app_started_sem;
  88 static bool allow_events;
  89
  90 // Utility functions to run specified code block with iothread lock held
  91 typedef void (^CodeBlock)(void);
  92 typedef bool (^BoolCodeBlock)(void);
  93
  94 static void with_iothread_lock(CodeBlock block)
  95 {
  96     bool locked = qemu_mutex_iothread_locked();
  97     if (!locked) {
  98         qemu_mutex_lock_iothread();
  99     }
 100     block();
 101     if (!locked) {
 102         qemu_mutex_unlock_iothread();
 103     }
 104 }
 105
 106 static bool bool_with_iothread_lock(BoolCodeBlock block)
 107 {
 108     bool locked = qemu_mutex_iothread_locked();
 109     bool val;
 110
 111     if (!locked) {
 112         qemu_mutex_lock_iothread();
 113     }
 114     val = block();
 115     if (!locked) {
 116         qemu_mutex_unlock_iothread();
 117     }
 118     return val;
 119 }
 120
 121 // Mac to QKeyCode conversion
 122 const int mac_to_qkeycode_map[] = {
 123     [kVK_ANSI_A] = Q_KEY_CODE_A,
 124     [kVK_ANSI_B] = Q_KEY_CODE_B,
 125     [kVK_ANSI_C] = Q_KEY_CODE_C,
 126     [kVK_ANSI_D] = Q_KEY_CODE_D,
 127     [kVK_ANSI_E] = Q_KEY_CODE_E,
 128     [kVK_ANSI_F] = Q_KEY_CODE_F,
 129     [kVK_ANSI_G] = Q_KEY_CODE_G,
 130     [kVK_ANSI_H] = Q_KEY_CODE_H,
 131     [kVK_ANSI_I] = Q_KEY_CODE_I,
 132     [kVK_ANSI_J] = Q_KEY_CODE_J,
 133     [kVK_ANSI_K] = Q_KEY_CODE_K,
 134     [kVK_ANSI_L] = Q_KEY_CODE_L,
 135     [kVK_ANSI_M] = Q_KEY_CODE_M,
 136     [kVK_ANSI_N] = Q_KEY_CODE_N,
 137     [kVK_ANSI_O] = Q_KEY_CODE_O,
 138     [kVK_ANSI_P] = Q_KEY_CODE_P,
 139     [kVK_ANSI_Q] = Q_KEY_CODE_Q,
 140     [kVK_ANSI_R] = Q_KEY_CODE_R,
 141     [kVK_ANSI_S] = Q_KEY_CODE_S,
 142     [kVK_ANSI_T] = Q_KEY_CODE_T,
 143     [kVK_ANSI_U] = Q_KEY_CODE_U,
 144     [kVK_ANSI_V] = Q_KEY_CODE_V,
 145     [kVK_ANSI_W] = Q_KEY_CODE_W,
 146     [kVK_ANSI_X] = Q_KEY_CODE_X,
 147     [kVK_ANSI_Y] = Q_KEY_CODE_Y,
 148     [kVK_ANSI_Z] = Q_KEY_CODE_Z,
 149
 150     [kVK_ANSI_0] = Q_KEY_CODE_0,
 151     [kVK_ANSI_1] = Q_KEY_CODE_1,
 152     [kVK_ANSI_2] = Q_KEY_CODE_2,
 153     [kVK_ANSI_3] = Q_KEY_CODE_3,
 154     [kVK_ANSI_4] = Q_KEY_CODE_4,
 155     [kVK_ANSI_5] = Q_KEY_CODE_5,
 156     [kVK_ANSI_6] = Q_KEY_CODE_6,
 157     [kVK_ANSI_7] = Q_KEY_CODE_7,
 158     [kVK_ANSI_8] = Q_KEY_CODE_8,
 159     [kVK_ANSI_9] = Q_KEY_CODE_9,
 160
 161     [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
 162     [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
 163     [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
 164     [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
 165     [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
 166     [kVK_Tab] = Q_KEY_CODE_TAB,
 167     [kVK_Return] = Q_KEY_CODE_RET,
 168     [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
 169     [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
 170     [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
 171     [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
 172     [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
 173     [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
 174     [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
 175     [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
 176     [kVK_Shift] = Q_KEY_CODE_SHIFT,
 177     [kVK_RightShift] = Q_KEY_CODE_SHIFT_R,
 178     [kVK_Control] = Q_KEY_CODE_CTRL,
 179     [kVK_RightControl] = Q_KEY_CODE_CTRL_R,
 180     [kVK_Option] = Q_KEY_CODE_ALT,
 181     [kVK_RightOption] = Q_KEY_CODE_ALT_R,
 182     [kVK_Command] = Q_KEY_CODE_META_L,
 183     [0x36] = Q_KEY_CODE_META_R, /* There is no kVK_RightCommand */
 184     [kVK_Space] = Q_KEY_CODE_SPC,
 185
 186     [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
 187     [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
 188     [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
 189     [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
 190     [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
 191     [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
 192     [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
 193     [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
 194     [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
 195     [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
 196     [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
 197     [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
 198     [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
 199     [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
 200     [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
 201     [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
 202     [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
 203     [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
 204
 205     [kVK_UpArrow] = Q_KEY_CODE_UP,
 206     [kVK_DownArrow] = Q_KEY_CODE_DOWN,
 207     [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
 208     [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
 209
 210     [kVK_Help] = Q_KEY_CODE_INSERT,
 211     [kVK_Home] = Q_KEY_CODE_HOME,
 212     [kVK_PageUp] = Q_KEY_CODE_PGUP,
 213     [kVK_PageDown] = Q_KEY_CODE_PGDN,
 214     [kVK_End] = Q_KEY_CODE_END,
 215     [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
 216
 217     [kVK_Escape] = Q_KEY_CODE_ESC,
 218
 219     /* The Power key can't be used directly because the operating system uses
 220      * it. This key can be emulated by using it in place of another key such as
 221      * F1. Don't forget to disable the real key binding.
 222      */
 223     /* [kVK_F1] = Q_KEY_CODE_POWER, */
 224
 225     [kVK_F1] = Q_KEY_CODE_F1,
 226     [kVK_F2] = Q_KEY_CODE_F2,
 227     [kVK_F3] = Q_KEY_CODE_F3,
 228     [kVK_F4] = Q_KEY_CODE_F4,
 229     [kVK_F5] = Q_KEY_CODE_F5,
 230     [kVK_F6] = Q_KEY_CODE_F6,
 231     [kVK_F7] = Q_KEY_CODE_F7,
 232     [kVK_F8] = Q_KEY_CODE_F8,
 233     [kVK_F9] = Q_KEY_CODE_F9,
 234     [kVK_F10] = Q_KEY_CODE_F10,
 235     [kVK_F11] = Q_KEY_CODE_F11,
 236     [kVK_F12] = Q_KEY_CODE_F12,
 237     [kVK_F13] = Q_KEY_CODE_PRINT,
 238     [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
 239     [kVK_F15] = Q_KEY_CODE_PAUSE,
 240
 241     /*
 242      * The eject and volume keys can't be used here because they are handled at
 243      * a lower level than what an Application can see.
 244      */
 245 };
 246
 247 static int cocoa_keycode_to_qemu(int keycode)
 248 {
 249     if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
 250         fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
 251         return 0;
 252     }
 253     return mac_to_qkeycode_map[keycode];
 254 }
 255
 256 /* Displays an alert dialog box with the specified message */
 257 static void QEMU_Alert(NSString *message)
 258 {
 259     NSAlert *alert;
 260     alert = [NSAlert new];
 261     [alert setMessageText: message];
 262     [alert runModal];
 263 }
 264
 265 /* Handles any errors that happen with a device transaction */
 266 static void handleAnyDeviceErrors(Error * err)
 267 {
 268     if (err) {
 269         QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
 270                                       encoding: NSASCIIStringEncoding]);
 271         error_free(err);
 272     }
 273 }
 274
 275 /*
 276  ------------------------------------------------------
 277     QemuCocoaView
 278  ------------------------------------------------------
 279 */
 280 @interface QemuCocoaView : NSView
 281 {
 282     QEMUScreen screen;
 283     NSWindow *fullScreenWindow;
 284     float cx,cy,cw,ch,cdx,cdy;
 285     CGDataProviderRef dataProviderRef;
 286     pixman_image_t *pixman_image;
 287     BOOL modifiers_state[256];
 288     BOOL isMouseGrabbed;
 289     BOOL isFullscreen;
 290     BOOL isAbsoluteEnabled;
 291     BOOL isMouseDeassociated;
 292 }
 293 - (void) switchSurface:(pixman_image_t *)image;
 294 - (void) grabMouse;
 295 - (void) ungrabMouse;
 296 - (void) toggleFullScreen:(id)sender;
 297 - (void) handleMonitorInput:(NSEvent *)event;
 298 - (bool) handleEvent:(NSEvent *)event;
 299 - (bool) handleEventLocked:(NSEvent *)event;
 300 - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
 301 /* The state surrounding mouse grabbing is potentially confusing.
 302  * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
 303  *   pointing device an absolute-position one?"], but is only updated on
 304  *   next refresh.
 305  * isMouseGrabbed tracks whether GUI events are directed to the guest;
 306  *   it controls whether special keys like Cmd get sent to the guest,
 307  *   and whether we capture the mouse when in non-absolute mode.
 308  * isMouseDeassociated tracks whether we've told MacOSX to disassociate
 309  *   the mouse and mouse cursor position by calling
 310  *   CGAssociateMouseAndMouseCursorPosition(FALSE)
 311  *   (which basically happens if we grab in non-absolute mode).
 312  */
 313 - (BOOL) isMouseGrabbed;
 314 - (BOOL) isAbsoluteEnabled;
 315 - (BOOL) isMouseDeassociated;
 316 - (float) cdx;
 317 - (float) cdy;
 318 - (QEMUScreen) gscreen;
 319 - (void) raiseAllKeys;
 320 @end
 321
 322 QemuCocoaView *cocoaView;
 323
 324 @implementation QemuCocoaView
 325 - (id)initWithFrame:(NSRect)frameRect
 326 {
 327     COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
 328
 329     self = [super initWithFrame:frameRect];
 330     if (self) {
 331
 332         screen.bitsPerComponent = 8;
 333         screen.bitsPerPixel = 32;
 334         screen.width = frameRect.size.width;
 335         screen.height = frameRect.size.height;
 336
 337     }
 338     return self;
 339 }
 340
 341 - (void) dealloc
 342 {
 343     COCOA_DEBUG("QemuCocoaView: dealloc\n");
 344
 345     if (dataProviderRef) {
 346         CGDataProviderRelease(dataProviderRef);
 347         pixman_image_unref(pixman_image);
 348     }
 349
 350     [super dealloc];
 351 }
 352
 353 - (BOOL) isOpaque
 354 {
 355     return YES;
 356 }
 357
 358 - (BOOL) screenContainsPoint:(NSPoint) p
 359 {
 360     return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
 361 }
 362
 363 /* Get location of event and convert to virtual screen coordinate */
 364 - (CGPoint) screenLocationOfEvent:(NSEvent *)ev
 365 {
 366     NSWindow *eventWindow = [ev window];
 367     // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
 368     CGRect r = CGRectZero;
 369     r.origin = [ev locationInWindow];
 370     if (!eventWindow) {
 371         if (!isFullscreen) {
 372             return [[self window] convertRectFromScreen:r].origin;
 373         } else {
 374             CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
 375             CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
 376             if (stretch_video) {
 377                 loc.x /= cdx;
 378                 loc.y /= cdy;
 379             }
 380             return loc;
 381         }
 382     } else if ([[self window] isEqual:eventWindow]) {
 383         if (!isFullscreen) {
 384             return r.origin;
 385         } else {
 386             CGPoint loc = [self convertPoint:r.origin fromView:nil];
 387             if (stretch_video) {
 388                 loc.x /= cdx;
 389                 loc.y /= cdy;
 390             }
 391             return loc;
 392         }
 393     } else {
 394         return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
 395     }
 396 }
 397
 398 - (void) hideCursor
 399 {
 400     if (!cursor_hide) {
 401         return;
 402     }
 403     [NSCursor hide];
 404 }
 405
 406 - (void) unhideCursor
 407 {
 408     if (!cursor_hide) {
 409         return;
 410     }
 411     [NSCursor unhide];
 412 }
 413
 414 - (void) drawRect:(NSRect) rect
 415 {
 416     COCOA_DEBUG("QemuCocoaView: drawRect\n");
 417
 418     // get CoreGraphic context
 419     CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
 420
 421     CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
 422     CGContextSetShouldAntialias (viewContextRef, NO);
 423
 424     // draw screen bitmap directly to Core Graphics context
 425     if (!dataProviderRef) {
 426         // Draw request before any guest device has set up a framebuffer:
 427         // just draw an opaque black rectangle
 428         CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
 429         CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
 430     } else {
 431         CGImageRef imageRef = CGImageCreate(
 432             screen.width, //width
 433             screen.height, //height
 434             screen.bitsPerComponent, //bitsPerComponent
 435             screen.bitsPerPixel, //bitsPerPixel
 436             (screen.width * (screen.bitsPerComponent/2)), //bytesPerRow
 437 #ifdef __LITTLE_ENDIAN__
 438             CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
 439             kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
 440 #else
 441             CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
 442             kCGImageAlphaNoneSkipFirst, //bitmapInfo
 443 #endif
 444             dataProviderRef, //provider
 445             NULL, //decode
 446             0, //interpolate
 447             kCGRenderingIntentDefault //intent
 448         );
 449         // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
 450         const NSRect *rectList;
 451         NSInteger rectCount;
 452         int i;
 453         CGImageRef clipImageRef;
 454         CGRect clipRect;
 455
 456         [self getRectsBeingDrawn:&rectList count:&rectCount];
 457         for (i = 0; i < rectCount; i++) {
 458             clipRect.origin.x = rectList[i].origin.x / cdx;
 459             clipRect.origin.y = (float)screen.height - (rectList[i].origin.y + rectList[i].size.height) / cdy;
 460             clipRect.size.width = rectList[i].size.width / cdx;
 461             clipRect.size.height = rectList[i].size.height / cdy;
 462             clipImageRef = CGImageCreateWithImageInRect(
 463                                                         imageRef,
 464                                                         clipRect
 465                                                         );
 466             CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
 467             CGImageRelease (clipImageRef);
 468         }
 469         CGImageRelease (imageRef);
 470     }
 471 }
 472
 473 - (void) setContentDimensions
 474 {
 475     COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
 476
 477     if (isFullscreen) {
 478         cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
 479         cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
 480
 481         /* stretches video, but keeps same aspect ratio */
 482         if (stretch_video == true) {
 483             /* use smallest stretch value - prevents clipping on sides */
 484             if (MIN(cdx, cdy) == cdx) {
 485                 cdy = cdx;
 486             } else {
 487                 cdx = cdy;
 488             }
 489         } else {  /* No stretching */
 490             cdx = cdy = 1;
 491         }
 492         cw = screen.width * cdx;
 493         ch = screen.height * cdy;
 494         cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
 495         cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
 496     } else {
 497         cx = 0;
 498         cy = 0;
 499         cw = screen.width;
 500         ch = screen.height;
 501         cdx = 1.0;
 502         cdy = 1.0;
 503     }
 504 }
 505
 506 - (void) switchSurface:(pixman_image_t *)image
 507 {
 508     COCOA_DEBUG("QemuCocoaView: switchSurface\n");
 509
 510     int w = pixman_image_get_width(image);
 511     int h = pixman_image_get_height(image);
 512     pixman_format_code_t image_format = pixman_image_get_format(image);
 513     /* cdx == 0 means this is our very first surface, in which case we need
 514      * to recalculate the content dimensions even if it happens to be the size
 515      * of the initial empty window.
 516      */
 517     bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
 518
 519     int oldh = screen.height;
 520     if (isResize) {
 521         // Resize before we trigger the redraw, or we'll redraw at the wrong size
 522         COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
 523         screen.width = w;
 524         screen.height = h;
 525         [self setContentDimensions];
 526         [self setFrame:NSMakeRect(cx, cy, cw, ch)];
 527     }
 528
 529     // update screenBuffer
 530     if (dataProviderRef) {
 531         CGDataProviderRelease(dataProviderRef);
 532         pixman_image_unref(pixman_image);
 533     }
 534
 535     //sync host window color space with guests
 536     screen.bitsPerPixel = PIXMAN_FORMAT_BPP(image_format);
 537     screen.bitsPerComponent = DIV_ROUND_UP(screen.bitsPerPixel, 8) * 2;
 538
 539     pixman_image = image;
 540     dataProviderRef = CGDataProviderCreateWithData(NULL, pixman_image_get_data(image), w * 4 * h, NULL);
 541
 542     // update windows
 543     if (isFullscreen) {
 544         [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
 545         [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
 546     } else {
 547         if (qemu_name)
 548             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
 549         [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
 550     }
 551
 552     if (isResize) {
 553         [normalWindow center];
 554     }
 555 }
 556
 557 - (void) toggleFullScreen:(id)sender
 558 {
 559     COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
 560
 561     if (isFullscreen) { // switch from fullscreen to desktop
 562         isFullscreen = FALSE;
 563         [self ungrabMouse];
 564         [self setContentDimensions];
 565         if ([NSView respondsToSelector:@selector(exitFullScreenModeWithOptions:)]) { // test if "exitFullScreenModeWithOptions" is supported on host at runtime
 566             [self exitFullScreenModeWithOptions:nil];
 567         } else {
 568             [fullScreenWindow close];
 569             [normalWindow setContentView: self];
 570             [normalWindow makeKeyAndOrderFront: self];
 571             [NSMenu setMenuBarVisible:YES];
 572         }
 573     } else { // switch from desktop to fullscreen
 574         isFullscreen = TRUE;
 575         [normalWindow orderOut: nil]; /* Hide the window */
 576         [self grabMouse];
 577         [self setContentDimensions];
 578         if ([NSView respondsToSelector:@selector(enterFullScreenMode:withOptions:)]) { // test if "enterFullScreenMode:withOptions" is supported on host at runtime
 579             [self enterFullScreenMode:[NSScreen mainScreen] withOptions:[NSDictionary dictionaryWithObjectsAndKeys:
 580                 [NSNumber numberWithBool:NO], NSFullScreenModeAllScreens,
 581                 [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], kCGDisplayModeIsStretched, nil], NSFullScreenModeSetting,
 582                  nil]];
 583         } else {
 584             [NSMenu setMenuBarVisible:NO];
 585             fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
 586                 styleMask:NSWindowStyleMaskBorderless
 587                 backing:NSBackingStoreBuffered
 588                 defer:NO];
 589             [fullScreenWindow setAcceptsMouseMovedEvents: YES];
 590             [fullScreenWindow setHasShadow:NO];
 591             [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
 592             [self setFrame:NSMakeRect(cx, cy, cw, ch)];
 593             [[fullScreenWindow contentView] addSubview: self];
 594             [fullScreenWindow makeKeyAndOrderFront:self];
 595         }
 596     }
 597 }
 598
 599 - (void) toggleModifier: (int)keycode {
 600     // Toggle the stored state.
 601     modifiers_state[keycode] = !modifiers_state[keycode];
 602     // Send a keyup or keydown depending on the state.
 603     qemu_input_event_send_key_qcode(dcl->con, keycode, modifiers_state[keycode]);
 604 }
 605
 606 - (void) toggleStatefulModifier: (int)keycode {
 607     // Toggle the stored state.
 608     modifiers_state[keycode] = !modifiers_state[keycode];
 609     // Generate keydown and keyup.
 610     qemu_input_event_send_key_qcode(dcl->con, keycode, true);
 611     qemu_input_event_send_key_qcode(dcl->con, keycode, false);
 612 }
 613
 614 // Does the work of sending input to the monitor
 615 - (void) handleMonitorInput:(NSEvent *)event
 616 {
 617     int keysym = 0;
 618     int control_key = 0;
 619
 620     // if the control key is down
 621     if ([event modifierFlags] & NSEventModifierFlagControl) {
 622         control_key = 1;
 623     }
 624
 625     /* translates Macintosh keycodes to QEMU's keysym */
 626
 627     int without_control_translation[] = {
 628         [0 ... 0xff] = 0,   // invalid key
 629
 630         [kVK_UpArrow]       = QEMU_KEY_UP,
 631         [kVK_DownArrow]     = QEMU_KEY_DOWN,
 632         [kVK_RightArrow]    = QEMU_KEY_RIGHT,
 633         [kVK_LeftArrow]     = QEMU_KEY_LEFT,
 634         [kVK_Home]          = QEMU_KEY_HOME,
 635         [kVK_End]           = QEMU_KEY_END,
 636         [kVK_PageUp]        = QEMU_KEY_PAGEUP,
 637         [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
 638         [kVK_ForwardDelete] = QEMU_KEY_DELETE,
 639         [kVK_Delete]        = QEMU_KEY_BACKSPACE,
 640     };
 641
 642     int with_control_translation[] = {
 643         [0 ... 0xff] = 0,   // invalid key
 644
 645         [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
 646         [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
 647         [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
 648         [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
 649         [kVK_Home]          = QEMU_KEY_CTRL_HOME,
 650         [kVK_End]           = QEMU_KEY_CTRL_END,
 651         [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
 652         [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
 653     };
 654
 655     if (control_key != 0) { /* If the control key is being used */
 656         if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
 657             keysym = with_control_translation[[event keyCode]];
 658         }
 659     } else {
 660         if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
 661             keysym = without_control_translation[[event keyCode]];
 662         }
 663     }
 664
 665     // if not a key that needs translating
 666     if (keysym == 0) {
 667         NSString *ks = [event characters];
 668         if ([ks length] > 0) {
 669             keysym = [ks characterAtIndex:0];
 670         }
 671     }
 672
 673     if (keysym) {
 674         kbd_put_keysym(keysym);
 675     }
 676 }
 677
 678 - (bool) handleEvent:(NSEvent *)event
 679 {
 680     if(!allow_events) {
 681         /*
 682          * Just let OSX have all events that arrive before
 683          * applicationDidFinishLaunching.
 684          * This avoids a deadlock on the iothread lock, which cocoa_display_init()
 685          * will not drop until after the app_started_sem is posted. (In theory
 686          * there should not be any such events, but OSX Catalina now emits some.)
 687          */
 688         return false;
 689     }
 690     return bool_with_iothread_lock(^{
 691         return [self handleEventLocked:event];
 692     });
 693 }
 694
 695 - (bool) handleEventLocked:(NSEvent *)event
 696 {
 697     /* Return true if we handled the event, false if it should be given to OSX */
 698     COCOA_DEBUG("QemuCocoaView: handleEvent\n");
 699     int buttons = 0;
 700     int keycode = 0;
 701     bool mouse_event = false;
 702     static bool switched_to_fullscreen = false;
 703     // Location of event in virtual screen coordinates
 704     NSPoint p = [self screenLocationOfEvent:event];
 705
 706     switch ([event type]) {
 707         case NSEventTypeFlagsChanged:
 708             if ([event keyCode] == 0) {
 709                 // When the Cocoa keyCode is zero that means keys should be
 710                 // synthesized based on the values in in the eventModifiers
 711                 // bitmask.
 712
 713                 if (qemu_console_is_graphic(NULL)) {
 714                     NSUInteger modifiers = [event modifierFlags];
 715
 716                     if (!!(modifiers & NSEventModifierFlagCapsLock) != !!modifiers_state[Q_KEY_CODE_CAPS_LOCK]) {
 717                         [self toggleStatefulModifier:Q_KEY_CODE_CAPS_LOCK];
 718                     }
 719                     if (!!(modifiers & NSEventModifierFlagShift) != !!modifiers_state[Q_KEY_CODE_SHIFT]) {
 720                         [self toggleModifier:Q_KEY_CODE_SHIFT];
 721                     }
 722                     if (!!(modifiers & NSEventModifierFlagControl) != !!modifiers_state[Q_KEY_CODE_CTRL]) {
 723                         [self toggleModifier:Q_KEY_CODE_CTRL];
 724                     }
 725                     if (!!(modifiers & NSEventModifierFlagOption) != !!modifiers_state[Q_KEY_CODE_ALT]) {
 726                         [self toggleModifier:Q_KEY_CODE_ALT];
 727                     }
 728                     if (!!(modifiers & NSEventModifierFlagCommand) != !!modifiers_state[Q_KEY_CODE_META_L]) {
 729                         [self toggleModifier:Q_KEY_CODE_META_L];
 730                     }
 731                 }
 732             } else {
 733                 keycode = cocoa_keycode_to_qemu([event keyCode]);
 734             }
 735
 736             if ((keycode == Q_KEY_CODE_META_L || keycode == Q_KEY_CODE_META_R)
 737                && !isMouseGrabbed) {
 738               /* Don't pass command key changes to guest unless mouse is grabbed */
 739               keycode = 0;
 740             }
 741
 742             if (keycode) {
 743                 // emulate caps lock and num lock keydown and keyup
 744                 if (keycode == Q_KEY_CODE_CAPS_LOCK ||
 745                     keycode == Q_KEY_CODE_NUM_LOCK) {
 746                     [self toggleStatefulModifier:keycode];
 747                 } else if (qemu_console_is_graphic(NULL)) {
 748                     if (switched_to_fullscreen) {
 749                         switched_to_fullscreen = false;
 750                     } else {
 751                         [self toggleModifier:keycode];
 752                     }
 753                 }
 754             }
 755
 756             break;
 757         case NSEventTypeKeyDown:
 758             keycode = cocoa_keycode_to_qemu([event keyCode]);
 759
 760             // forward command key combos to the host UI unless the mouse is grabbed
 761             if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
 762                 /*
 763                  * Prevent the command key from being stuck down in the guest
 764                  * when using Command-F to switch to full screen mode.
 765                  */
 766                 if (keycode == Q_KEY_CODE_F) {
 767                     switched_to_fullscreen = true;
 768                 }
 769                 return false;
 770             }
 771
 772             // default
 773
 774             // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
 775             if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
 776                 NSString *keychar = [event charactersIgnoringModifiers];
 777                 if ([keychar length] == 1) {
 778                     char key = [keychar characterAtIndex:0];
 779                     switch (key) {
 780
 781                         // enable graphic console
 782                         case '1' ... '9':
 783                             console_select(key - '0' - 1); /* ascii math */
 784                             return true;
 785
 786                         // release the mouse grab
 787                         case 'g':
 788                             [self ungrabMouse];
 789                             return true;
 790                     }
 791                 }
 792             }
 793
 794             if (qemu_console_is_graphic(NULL)) {
 795                 qemu_input_event_send_key_qcode(dcl->con, keycode, true);
 796             } else {
 797                 [self handleMonitorInput: event];
 798             }
 799             break;
 800         case NSEventTypeKeyUp:
 801             keycode = cocoa_keycode_to_qemu([event keyCode]);
 802
 803             // don't pass the guest a spurious key-up if we treated this
 804             // command-key combo as a host UI action
 805             if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
 806                 return true;
 807             }
 808
 809             if (qemu_console_is_graphic(NULL)) {
 810                 qemu_input_event_send_key_qcode(dcl->con, keycode, false);
 811             }
 812             break;
 813         case NSEventTypeMouseMoved:
 814             if (isAbsoluteEnabled) {
 815                 // Cursor re-entered into a window might generate events bound to screen coordinates
 816                 // and `nil` window property, and in full screen mode, current window might not be
 817                 // key window, where event location alone should suffice.
 818                 if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
 819                     if (isMouseGrabbed) {
 820                         [self ungrabMouse];
 821                     }
 822                 } else {
 823                     if (!isMouseGrabbed) {
 824                         [self grabMouse];
 825                     }
 826                 }
 827             }
 828             mouse_event = true;
 829             break;
 830         case NSEventTypeLeftMouseDown:
 831             if ([event modifierFlags] & NSEventModifierFlagCommand) {
 832                 buttons |= MOUSE_EVENT_RBUTTON;
 833             } else {
 834                 buttons |= MOUSE_EVENT_LBUTTON;
 835             }
 836             mouse_event = true;
 837             break;
 838         case NSEventTypeRightMouseDown:
 839             buttons |= MOUSE_EVENT_RBUTTON;
 840             mouse_event = true;
 841             break;
 842         case NSEventTypeOtherMouseDown:
 843             buttons |= MOUSE_EVENT_MBUTTON;
 844             mouse_event = true;
 845             break;
 846         case NSEventTypeLeftMouseDragged:
 847             if ([event modifierFlags] & NSEventModifierFlagCommand) {
 848                 buttons |= MOUSE_EVENT_RBUTTON;
 849             } else {
 850                 buttons |= MOUSE_EVENT_LBUTTON;
 851             }
 852             mouse_event = true;
 853             break;
 854         case NSEventTypeRightMouseDragged:
 855             buttons |= MOUSE_EVENT_RBUTTON;
 856             mouse_event = true;
 857             break;
 858         case NSEventTypeOtherMouseDragged:
 859             buttons |= MOUSE_EVENT_MBUTTON;
 860             mouse_event = true;
 861             break;
 862         case NSEventTypeLeftMouseUp:
 863             mouse_event = true;
 864             if (!isMouseGrabbed && [self screenContainsPoint:p]) {
 865                 /*
 866                  * In fullscreen mode, the window of cocoaView may not be the
 867                  * key window, therefore the position relative to the virtual
 868                  * screen alone will be sufficient.
 869                  */
 870                 if(isFullscreen || [[self window] isKeyWindow]) {
 871                     [self grabMouse];
 872                 }
 873             }
 874             break;
 875         case NSEventTypeRightMouseUp:
 876             mouse_event = true;
 877             break;
 878         case NSEventTypeOtherMouseUp:
 879             mouse_event = true;
 880             break;
 881         case NSEventTypeScrollWheel:
 882             /*
 883              * Send wheel events to the guest regardless of window focus.
 884              * This is in-line with standard Mac OS X UI behaviour.
 885              */
 886
 887             /*
 888              * When deltaY is zero, it means that this scrolling event was
 889              * either horizontal, or so fine that it only appears in
 890              * scrollingDeltaY. So we drop the event.
 891              */
 892             if ([event deltaY] != 0) {
 893             /* Determine if this is a scroll up or scroll down event */
 894                 buttons = ([event deltaY] > 0) ?
 895                     INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
 896                 qemu_input_queue_btn(dcl->con, buttons, true);
 897                 qemu_input_event_sync();
 898                 qemu_input_queue_btn(dcl->con, buttons, false);
 899                 qemu_input_event_sync();
 900             }
 901             /*
 902              * Since deltaY also reports scroll wheel events we prevent mouse
 903              * movement code from executing.
 904              */
 905             mouse_event = false;
 906             break;
 907         default:
 908             return false;
 909     }
 910
 911     if (mouse_event) {
 912         /* Don't send button events to the guest unless we've got a
 913          * mouse grab or window focus. If we have neither then this event
 914          * is the user clicking on the background window to activate and
 915          * bring us to the front, which will be done by the sendEvent
 916          * call below. We definitely don't want to pass that click through
 917          * to the guest.
 918          */
 919         if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
 920             (last_buttons != buttons)) {
 921             static uint32_t bmap[INPUT_BUTTON__MAX] = {
 922                 [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
 923                 [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
 924                 [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
 925             };
 926             qemu_input_update_buttons(dcl->con, bmap, last_buttons, buttons);
 927             last_buttons = buttons;
 928         }
 929         if (isMouseGrabbed) {
 930             if (isAbsoluteEnabled) {
 931                 /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
 932                  * The check on screenContainsPoint is to avoid sending out of range values for
 933                  * clicks in the titlebar.
 934                  */
 935                 if ([self screenContainsPoint:p]) {
 936                     qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, 0, screen.width);
 937                     qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
 938                 }
 939             } else {
 940                 qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]);
 941                 qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, (int)[event deltaY]);
 942             }
 943         } else {
 944             return false;
 945         }
 946         qemu_input_event_sync();
 947     }
 948     return true;
 949 }
 950
 951 - (void) grabMouse
 952 {
 953     COCOA_DEBUG("QemuCocoaView: grabMouse\n");
 954
 955     if (!isFullscreen) {
 956         if (qemu_name)
 957             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
 958         else
 959             [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
 960     }
 961     [self hideCursor];
 962     if (!isAbsoluteEnabled) {
 963         isMouseDeassociated = TRUE;
 964         CGAssociateMouseAndMouseCursorPosition(FALSE);
 965     }
 966     isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
 967 }
 968
 969 - (void) ungrabMouse
 970 {
 971     COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
 972
 973     if (!isFullscreen) {
 974         if (qemu_name)
 975             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
 976         else
 977             [normalWindow setTitle:@"QEMU"];
 978     }
 979     [self unhideCursor];
 980     if (isMouseDeassociated) {
 981         CGAssociateMouseAndMouseCursorPosition(TRUE);
 982         isMouseDeassociated = FALSE;
 983     }
 984     isMouseGrabbed = FALSE;
 985 }
 986
 987 - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
 988 - (BOOL) isMouseGrabbed {return isMouseGrabbed;}
 989 - (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
 990 - (BOOL) isMouseDeassociated {return isMouseDeassociated;}
 991 - (float) cdx {return cdx;}
 992 - (float) cdy {return cdy;}
 993 - (QEMUScreen) gscreen {return screen;}
 994
 995 /*
 996  * Makes the target think all down keys are being released.
 997  * This prevents a stuck key problem, since we will not see
 998  * key up events for those keys after we have lost focus.
 999  */
1000 - (void) raiseAllKeys
1001 {
1002     const int max_index = ARRAY_SIZE(modifiers_state);
1003
1004     with_iothread_lock(^{
1005         int index;
1006
1007         for (index = 0; index < max_index; index++) {
1008             if (modifiers_state[index]) {
1009                 modifiers_state[index] = 0;
1010                 qemu_input_event_send_key_qcode(dcl->con, index, false);
1011             }
1012         }
1013     });
1014 }
1015 @end
1016
1017
1018
1019 /*
1020  ------------------------------------------------------
1021     QemuCocoaAppController
1022  ------------------------------------------------------
1023 */
1024 @interface QemuCocoaAppController : NSObject
1025                                        <NSWindowDelegate, NSApplicationDelegate>
1026 {
1027 }
1028 - (void)doToggleFullScreen:(id)sender;
1029 - (void)toggleFullScreen:(id)sender;
1030 - (void)showQEMUDoc:(id)sender;
1031 - (void)zoomToFit:(id) sender;
1032 - (void)displayConsole:(id)sender;
1033 - (void)pauseQEMU:(id)sender;
1034 - (void)resumeQEMU:(id)sender;
1035 - (void)displayPause;
1036 - (void)removePause;
1037 - (void)restartQEMU:(id)sender;
1038 - (void)powerDownQEMU:(id)sender;
1039 - (void)ejectDeviceMedia:(id)sender;
1040 - (void)changeDeviceMedia:(id)sender;
1041 - (BOOL)verifyQuit;
1042 - (void)openDocumentation:(NSString *)filename;
1043 - (IBAction) do_about_menu_item: (id) sender;
1044 - (void)make_about_window;
1045 - (void)adjustSpeed:(id)sender;
1046 @end
1047
1048 @implementation QemuCocoaAppController
1049 - (id) init
1050 {
1051     COCOA_DEBUG("QemuCocoaAppController: init\n");
1052
1053     self = [super init];
1054     if (self) {
1055
1056         // create a view and add it to the window
1057         cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
1058         if(!cocoaView) {
1059             fprintf(stderr, "(cocoa) can't create a view\n");
1060             exit(1);
1061         }
1062
1063         // create a window
1064         normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
1065             styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
1066             backing:NSBackingStoreBuffered defer:NO];
1067         if(!normalWindow) {
1068             fprintf(stderr, "(cocoa) can't create window\n");
1069             exit(1);
1070         }
1071         [normalWindow setAcceptsMouseMovedEvents:YES];
1072         [normalWindow setTitle:@"QEMU"];
1073         [normalWindow setContentView:cocoaView];
1074         [normalWindow makeKeyAndOrderFront:self];
1075         [normalWindow center];
1076         [normalWindow setDelegate: self];
1077         stretch_video = false;
1078
1079         /* Used for displaying pause on the screen */
1080         pauseLabel = [NSTextField new];
1081         [pauseLabel setBezeled:YES];
1082         [pauseLabel setDrawsBackground:YES];
1083         [pauseLabel setBackgroundColor: [NSColor whiteColor]];
1084         [pauseLabel setEditable:NO];
1085         [pauseLabel setSelectable:NO];
1086         [pauseLabel setStringValue: @"Paused"];
1087         [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
1088         [pauseLabel setTextColor: [NSColor blackColor]];
1089         [pauseLabel sizeToFit];
1090
1091         // set the supported image file types that can be opened
1092         supportedImageFileTypes = [NSArray arrayWithObjects: @"img", @"iso", @"dmg",
1093                                  @"qcow", @"qcow2", @"cloop", @"vmdk", @"cdr",
1094                                   @"toast", nil];
1095         [self make_about_window];
1096     }
1097     return self;
1098 }
1099
1100 - (void) dealloc
1101 {
1102     COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
1103
1104     if (cocoaView)
1105         [cocoaView release];
1106     [super dealloc];
1107 }
1108
1109 - (void)applicationDidFinishLaunching: (NSNotification *) note
1110 {
1111     COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
1112     allow_events = true;
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     if (opts->has_show_cursor && opts->show_cursor) {
1864         cursor_hide = 0;
1865     }
1866
1867     dcl = g_malloc0(sizeof(DisplayChangeListener));
1868
1869     // register vga output callbacks
1870     dcl->ops = &dcl_ops;
1871     register_displaychangelistener(dcl);
1872
1873     // register cleanup function
1874     atexit(cocoa_cleanup);
1875 }
1876
1877 static QemuDisplay qemu_display_cocoa = {
1878     .type       = DISPLAY_TYPE_COCOA,
1879     .init       = cocoa_display_init,
1880 };
1881
1882 static void register_cocoa(void)
1883 {
1884     qemu_display_register(&qemu_display_cocoa);
1885 }
1886
1887 type_init(register_cocoa);