qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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cocoa.m (70593B)

      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/help-texts.h"
     31 #include "qemu-main.h"
     32 #include "ui/clipboard.h"
     33 #include "ui/console.h"
     34 #include "ui/input.h"
     35 #include "ui/kbd-state.h"
     36 #include "sysemu/sysemu.h"
     37 #include "sysemu/runstate.h"
     38 #include "sysemu/runstate-action.h"
     39 #include "sysemu/cpu-throttle.h"
     40 #include "qapi/error.h"
     41 #include "qapi/qapi-commands-block.h"
     42 #include "qapi/qapi-commands-machine.h"
     43 #include "qapi/qapi-commands-misc.h"
     44 #include "sysemu/blockdev.h"
     45 #include "qemu-version.h"
     46 #include "qemu/cutils.h"
     47 #include "qemu/main-loop.h"
     48 #include "qemu/module.h"
     49 #include <Carbon/Carbon.h>
     50 #include "hw/core/cpu.h"
     51 
     52 #ifndef MAC_OS_X_VERSION_10_13
     53 #define MAC_OS_X_VERSION_10_13 101300
     54 #endif
     55 
     56 /* 10.14 deprecates NSOnState and NSOffState in favor of
     57  * NSControlStateValueOn/Off, which were introduced in 10.13.
     58  * Define for older versions
     59  */
     60 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
     61 #define NSControlStateValueOn NSOnState
     62 #define NSControlStateValueOff NSOffState
     63 #endif
     64 
     65 //#define DEBUG
     66 
     67 #ifdef DEBUG
     68 #define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
     69 #else
     70 #define COCOA_DEBUG(...)  ((void) 0)
     71 #endif
     72 
     73 #define cgrect(nsrect) (*(CGRect *)&(nsrect))
     74 
     75 typedef struct {
     76     int width;
     77     int height;
     78 } QEMUScreen;
     79 
     80 static void cocoa_update(DisplayChangeListener *dcl,
     81                          int x, int y, int w, int h);
     82 
     83 static void cocoa_switch(DisplayChangeListener *dcl,
     84                          DisplaySurface *surface);
     85 
     86 static void cocoa_refresh(DisplayChangeListener *dcl);
     87 
     88 static NSWindow *normalWindow;
     89 static const DisplayChangeListenerOps dcl_ops = {
     90     .dpy_name          = "cocoa",
     91     .dpy_gfx_update = cocoa_update,
     92     .dpy_gfx_switch = cocoa_switch,
     93     .dpy_refresh = cocoa_refresh,
     94 };
     95 static DisplayChangeListener dcl = {
     96     .ops = &dcl_ops,
     97 };
     98 static int last_buttons;
     99 static int cursor_hide = 1;
    100 static int left_command_key_enabled = 1;
    101 static bool swap_opt_cmd;
    102 
    103 static bool stretch_video;
    104 static NSTextField *pauseLabel;
    105 
    106 static bool allow_events;
    107 
    108 static NSInteger cbchangecount = -1;
    109 static QemuClipboardInfo *cbinfo;
    110 static QemuEvent cbevent;
    111 
    112 // Utility functions to run specified code block with iothread lock held
    113 typedef void (^CodeBlock)(void);
    114 typedef bool (^BoolCodeBlock)(void);
    115 
    116 static void with_iothread_lock(CodeBlock block)
    117 {
    118     bool locked = qemu_mutex_iothread_locked();
    119     if (!locked) {
    120         qemu_mutex_lock_iothread();
    121     }
    122     block();
    123     if (!locked) {
    124         qemu_mutex_unlock_iothread();
    125     }
    126 }
    127 
    128 static bool bool_with_iothread_lock(BoolCodeBlock block)
    129 {
    130     bool locked = qemu_mutex_iothread_locked();
    131     bool val;
    132 
    133     if (!locked) {
    134         qemu_mutex_lock_iothread();
    135     }
    136     val = block();
    137     if (!locked) {
    138         qemu_mutex_unlock_iothread();
    139     }
    140     return val;
    141 }
    142 
    143 // Mac to QKeyCode conversion
    144 static const int mac_to_qkeycode_map[] = {
    145     [kVK_ANSI_A] = Q_KEY_CODE_A,
    146     [kVK_ANSI_B] = Q_KEY_CODE_B,
    147     [kVK_ANSI_C] = Q_KEY_CODE_C,
    148     [kVK_ANSI_D] = Q_KEY_CODE_D,
    149     [kVK_ANSI_E] = Q_KEY_CODE_E,
    150     [kVK_ANSI_F] = Q_KEY_CODE_F,
    151     [kVK_ANSI_G] = Q_KEY_CODE_G,
    152     [kVK_ANSI_H] = Q_KEY_CODE_H,
    153     [kVK_ANSI_I] = Q_KEY_CODE_I,
    154     [kVK_ANSI_J] = Q_KEY_CODE_J,
    155     [kVK_ANSI_K] = Q_KEY_CODE_K,
    156     [kVK_ANSI_L] = Q_KEY_CODE_L,
    157     [kVK_ANSI_M] = Q_KEY_CODE_M,
    158     [kVK_ANSI_N] = Q_KEY_CODE_N,
    159     [kVK_ANSI_O] = Q_KEY_CODE_O,
    160     [kVK_ANSI_P] = Q_KEY_CODE_P,
    161     [kVK_ANSI_Q] = Q_KEY_CODE_Q,
    162     [kVK_ANSI_R] = Q_KEY_CODE_R,
    163     [kVK_ANSI_S] = Q_KEY_CODE_S,
    164     [kVK_ANSI_T] = Q_KEY_CODE_T,
    165     [kVK_ANSI_U] = Q_KEY_CODE_U,
    166     [kVK_ANSI_V] = Q_KEY_CODE_V,
    167     [kVK_ANSI_W] = Q_KEY_CODE_W,
    168     [kVK_ANSI_X] = Q_KEY_CODE_X,
    169     [kVK_ANSI_Y] = Q_KEY_CODE_Y,
    170     [kVK_ANSI_Z] = Q_KEY_CODE_Z,
    171 
    172     [kVK_ANSI_0] = Q_KEY_CODE_0,
    173     [kVK_ANSI_1] = Q_KEY_CODE_1,
    174     [kVK_ANSI_2] = Q_KEY_CODE_2,
    175     [kVK_ANSI_3] = Q_KEY_CODE_3,
    176     [kVK_ANSI_4] = Q_KEY_CODE_4,
    177     [kVK_ANSI_5] = Q_KEY_CODE_5,
    178     [kVK_ANSI_6] = Q_KEY_CODE_6,
    179     [kVK_ANSI_7] = Q_KEY_CODE_7,
    180     [kVK_ANSI_8] = Q_KEY_CODE_8,
    181     [kVK_ANSI_9] = Q_KEY_CODE_9,
    182 
    183     [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
    184     [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
    185     [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
    186     [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
    187     [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
    188     [kVK_Tab] = Q_KEY_CODE_TAB,
    189     [kVK_Return] = Q_KEY_CODE_RET,
    190     [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
    191     [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
    192     [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
    193     [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
    194     [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
    195     [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
    196     [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
    197     [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
    198     [kVK_Space] = Q_KEY_CODE_SPC,
    199 
    200     [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
    201     [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
    202     [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
    203     [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
    204     [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
    205     [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
    206     [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
    207     [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
    208     [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
    209     [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
    210     [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
    211     [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
    212     [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
    213     [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
    214     [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
    215     [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
    216     [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
    217     [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
    218 
    219     [kVK_UpArrow] = Q_KEY_CODE_UP,
    220     [kVK_DownArrow] = Q_KEY_CODE_DOWN,
    221     [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
    222     [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
    223 
    224     [kVK_Help] = Q_KEY_CODE_INSERT,
    225     [kVK_Home] = Q_KEY_CODE_HOME,
    226     [kVK_PageUp] = Q_KEY_CODE_PGUP,
    227     [kVK_PageDown] = Q_KEY_CODE_PGDN,
    228     [kVK_End] = Q_KEY_CODE_END,
    229     [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
    230 
    231     [kVK_Escape] = Q_KEY_CODE_ESC,
    232 
    233     /* The Power key can't be used directly because the operating system uses
    234      * it. This key can be emulated by using it in place of another key such as
    235      * F1. Don't forget to disable the real key binding.
    236      */
    237     /* [kVK_F1] = Q_KEY_CODE_POWER, */
    238 
    239     [kVK_F1] = Q_KEY_CODE_F1,
    240     [kVK_F2] = Q_KEY_CODE_F2,
    241     [kVK_F3] = Q_KEY_CODE_F3,
    242     [kVK_F4] = Q_KEY_CODE_F4,
    243     [kVK_F5] = Q_KEY_CODE_F5,
    244     [kVK_F6] = Q_KEY_CODE_F6,
    245     [kVK_F7] = Q_KEY_CODE_F7,
    246     [kVK_F8] = Q_KEY_CODE_F8,
    247     [kVK_F9] = Q_KEY_CODE_F9,
    248     [kVK_F10] = Q_KEY_CODE_F10,
    249     [kVK_F11] = Q_KEY_CODE_F11,
    250     [kVK_F12] = Q_KEY_CODE_F12,
    251     [kVK_F13] = Q_KEY_CODE_PRINT,
    252     [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
    253     [kVK_F15] = Q_KEY_CODE_PAUSE,
    254 
    255     // JIS keyboards only
    256     [kVK_JIS_Yen] = Q_KEY_CODE_YEN,
    257     [kVK_JIS_Underscore] = Q_KEY_CODE_RO,
    258     [kVK_JIS_KeypadComma] = Q_KEY_CODE_KP_COMMA,
    259     [kVK_JIS_Eisu] = Q_KEY_CODE_MUHENKAN,
    260     [kVK_JIS_Kana] = Q_KEY_CODE_HENKAN,
    261 
    262     /*
    263      * The eject and volume keys can't be used here because they are handled at
    264      * a lower level than what an Application can see.
    265      */
    266 };
    267 
    268 static int cocoa_keycode_to_qemu(int keycode)
    269 {
    270     if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
    271         error_report("(cocoa) warning unknown keycode 0x%x", keycode);
    272         return 0;
    273     }
    274     return mac_to_qkeycode_map[keycode];
    275 }
    276 
    277 /* Displays an alert dialog box with the specified message */
    278 static void QEMU_Alert(NSString *message)
    279 {
    280     NSAlert *alert;
    281     alert = [NSAlert new];
    282     [alert setMessageText: message];
    283     [alert runModal];
    284 }
    285 
    286 /* Handles any errors that happen with a device transaction */
    287 static void handleAnyDeviceErrors(Error * err)
    288 {
    289     if (err) {
    290         QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
    291                                       encoding: NSASCIIStringEncoding]);
    292         error_free(err);
    293     }
    294 }
    295 
    296 /*
    297  ------------------------------------------------------
    298     QemuCocoaView
    299  ------------------------------------------------------
    300 */
    301 @interface QemuCocoaView : NSView
    302 {
    303     QEMUScreen screen;
    304     NSWindow *fullScreenWindow;
    305     float cx,cy,cw,ch,cdx,cdy;
    306     pixman_image_t *pixman_image;
    307     QKbdState *kbd;
    308     BOOL isMouseGrabbed;
    309     BOOL isFullscreen;
    310     BOOL isAbsoluteEnabled;
    311     CFMachPortRef eventsTap;
    312 }
    313 - (void) switchSurface:(pixman_image_t *)image;
    314 - (void) grabMouse;
    315 - (void) ungrabMouse;
    316 - (void) toggleFullScreen:(id)sender;
    317 - (void) setFullGrab:(id)sender;
    318 - (void) handleMonitorInput:(NSEvent *)event;
    319 - (bool) handleEvent:(NSEvent *)event;
    320 - (bool) handleEventLocked:(NSEvent *)event;
    321 - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
    322 /* The state surrounding mouse grabbing is potentially confusing.
    323  * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
    324  *   pointing device an absolute-position one?"], but is only updated on
    325  *   next refresh.
    326  * isMouseGrabbed tracks whether GUI events are directed to the guest;
    327  *   it controls whether special keys like Cmd get sent to the guest,
    328  *   and whether we capture the mouse when in non-absolute mode.
    329  */
    330 - (BOOL) isMouseGrabbed;
    331 - (BOOL) isAbsoluteEnabled;
    332 - (float) cdx;
    333 - (float) cdy;
    334 - (QEMUScreen) gscreen;
    335 - (void) raiseAllKeys;
    336 @end
    337 
    338 QemuCocoaView *cocoaView;
    339 
    340 static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEventRef cgEvent, void *userInfo)
    341 {
    342     QemuCocoaView *cocoaView = userInfo;
    343     NSEvent *event = [NSEvent eventWithCGEvent:cgEvent];
    344     if ([cocoaView isMouseGrabbed] && [cocoaView handleEvent:event]) {
    345         COCOA_DEBUG("Global events tap: qemu handled the event, capturing!\n");
    346         return NULL;
    347     }
    348     COCOA_DEBUG("Global events tap: qemu did not handle the event, letting it through...\n");
    349 
    350     return cgEvent;
    351 }
    352 
    353 @implementation QemuCocoaView
    354 - (id)initWithFrame:(NSRect)frameRect
    355 {
    356     COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
    357 
    358     self = [super initWithFrame:frameRect];
    359     if (self) {
    360 
    361         screen.width = frameRect.size.width;
    362         screen.height = frameRect.size.height;
    363         kbd = qkbd_state_init(dcl.con);
    364 
    365     }
    366     return self;
    367 }
    368 
    369 - (void) dealloc
    370 {
    371     COCOA_DEBUG("QemuCocoaView: dealloc\n");
    372 
    373     if (pixman_image) {
    374         pixman_image_unref(pixman_image);
    375     }
    376 
    377     qkbd_state_free(kbd);
    378 
    379     if (eventsTap) {
    380         CFRelease(eventsTap);
    381     }
    382 
    383     [super dealloc];
    384 }
    385 
    386 - (BOOL) isOpaque
    387 {
    388     return YES;
    389 }
    390 
    391 - (BOOL) screenContainsPoint:(NSPoint) p
    392 {
    393     return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
    394 }
    395 
    396 /* Get location of event and convert to virtual screen coordinate */
    397 - (CGPoint) screenLocationOfEvent:(NSEvent *)ev
    398 {
    399     NSWindow *eventWindow = [ev window];
    400     // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
    401     CGRect r = CGRectZero;
    402     r.origin = [ev locationInWindow];
    403     if (!eventWindow) {
    404         if (!isFullscreen) {
    405             return [[self window] convertRectFromScreen:r].origin;
    406         } else {
    407             CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
    408             CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
    409             if (stretch_video) {
    410                 loc.x /= cdx;
    411                 loc.y /= cdy;
    412             }
    413             return loc;
    414         }
    415     } else if ([[self window] isEqual:eventWindow]) {
    416         if (!isFullscreen) {
    417             return r.origin;
    418         } else {
    419             CGPoint loc = [self convertPoint:r.origin fromView:nil];
    420             if (stretch_video) {
    421                 loc.x /= cdx;
    422                 loc.y /= cdy;
    423             }
    424             return loc;
    425         }
    426     } else {
    427         return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
    428     }
    429 }
    430 
    431 - (void) hideCursor
    432 {
    433     if (!cursor_hide) {
    434         return;
    435     }
    436     [NSCursor hide];
    437 }
    438 
    439 - (void) unhideCursor
    440 {
    441     if (!cursor_hide) {
    442         return;
    443     }
    444     [NSCursor unhide];
    445 }
    446 
    447 - (void) drawRect:(NSRect) rect
    448 {
    449     COCOA_DEBUG("QemuCocoaView: drawRect\n");
    450 
    451     // get CoreGraphic context
    452     CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
    453 
    454     CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
    455     CGContextSetShouldAntialias (viewContextRef, NO);
    456 
    457     // draw screen bitmap directly to Core Graphics context
    458     if (!pixman_image) {
    459         // Draw request before any guest device has set up a framebuffer:
    460         // just draw an opaque black rectangle
    461         CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
    462         CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
    463     } else {
    464         int w = pixman_image_get_width(pixman_image);
    465         int h = pixman_image_get_height(pixman_image);
    466         int bitsPerPixel = PIXMAN_FORMAT_BPP(pixman_image_get_format(pixman_image));
    467         int stride = pixman_image_get_stride(pixman_image);
    468         CGDataProviderRef dataProviderRef = CGDataProviderCreateWithData(
    469             NULL,
    470             pixman_image_get_data(pixman_image),
    471             stride * h,
    472             NULL
    473         );
    474         CGImageRef imageRef = CGImageCreate(
    475             w, //width
    476             h, //height
    477             DIV_ROUND_UP(bitsPerPixel, 8) * 2, //bitsPerComponent
    478             bitsPerPixel, //bitsPerPixel
    479             stride, //bytesPerRow
    480             CGColorSpaceCreateWithName(kCGColorSpaceSRGB), //colorspace
    481             kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst, //bitmapInfo
    482             dataProviderRef, //provider
    483             NULL, //decode
    484             0, //interpolate
    485             kCGRenderingIntentDefault //intent
    486         );
    487         // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
    488         const NSRect *rectList;
    489         NSInteger rectCount;
    490         int i;
    491         CGImageRef clipImageRef;
    492         CGRect clipRect;
    493 
    494         [self getRectsBeingDrawn:&rectList count:&rectCount];
    495         for (i = 0; i < rectCount; i++) {
    496             clipRect.origin.x = rectList[i].origin.x / cdx;
    497             clipRect.origin.y = (float)h - (rectList[i].origin.y + rectList[i].size.height) / cdy;
    498             clipRect.size.width = rectList[i].size.width / cdx;
    499             clipRect.size.height = rectList[i].size.height / cdy;
    500             clipImageRef = CGImageCreateWithImageInRect(
    501                                                         imageRef,
    502                                                         clipRect
    503                                                         );
    504             CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
    505             CGImageRelease (clipImageRef);
    506         }
    507         CGImageRelease (imageRef);
    508         CGDataProviderRelease(dataProviderRef);
    509     }
    510 }
    511 
    512 - (void) setContentDimensions
    513 {
    514     COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
    515 
    516     if (isFullscreen) {
    517         cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
    518         cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
    519 
    520         /* stretches video, but keeps same aspect ratio */
    521         if (stretch_video == true) {
    522             /* use smallest stretch value - prevents clipping on sides */
    523             if (MIN(cdx, cdy) == cdx) {
    524                 cdy = cdx;
    525             } else {
    526                 cdx = cdy;
    527             }
    528         } else {  /* No stretching */
    529             cdx = cdy = 1;
    530         }
    531         cw = screen.width * cdx;
    532         ch = screen.height * cdy;
    533         cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
    534         cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
    535     } else {
    536         cx = 0;
    537         cy = 0;
    538         cw = screen.width;
    539         ch = screen.height;
    540         cdx = 1.0;
    541         cdy = 1.0;
    542     }
    543 }
    544 
    545 - (void) updateUIInfoLocked
    546 {
    547     /* Must be called with the iothread lock, i.e. via updateUIInfo */
    548     NSSize frameSize;
    549     QemuUIInfo info;
    550 
    551     if (!qemu_console_is_graphic(dcl.con)) {
    552         return;
    553     }
    554 
    555     if ([self window]) {
    556         NSDictionary *description = [[[self window] screen] deviceDescription];
    557         CGDirectDisplayID display = [[description objectForKey:@"NSScreenNumber"] unsignedIntValue];
    558         NSSize screenSize = [[[self window] screen] frame].size;
    559         CGSize screenPhysicalSize = CGDisplayScreenSize(display);
    560         CVDisplayLinkRef displayLink;
    561 
    562         frameSize = isFullscreen ? screenSize : [self frame].size;
    563 
    564         if (!CVDisplayLinkCreateWithCGDisplay(display, &displayLink)) {
    565             CVTime period = CVDisplayLinkGetNominalOutputVideoRefreshPeriod(displayLink);
    566             CVDisplayLinkRelease(displayLink);
    567             if (!(period.flags & kCVTimeIsIndefinite)) {
    568                 update_displaychangelistener(&dcl,
    569                                              1000 * period.timeValue / period.timeScale);
    570                 info.refresh_rate = (int64_t)1000 * period.timeScale / period.timeValue;
    571             }
    572         }
    573 
    574         info.width_mm = frameSize.width / screenSize.width * screenPhysicalSize.width;
    575         info.height_mm = frameSize.height / screenSize.height * screenPhysicalSize.height;
    576     } else {
    577         frameSize = [self frame].size;
    578         info.width_mm = 0;
    579         info.height_mm = 0;
    580     }
    581 
    582     info.xoff = 0;
    583     info.yoff = 0;
    584     info.width = frameSize.width;
    585     info.height = frameSize.height;
    586 
    587     dpy_set_ui_info(dcl.con, &info, TRUE);
    588 }
    589 
    590 - (void) updateUIInfo
    591 {
    592     if (!allow_events) {
    593         /*
    594          * Don't try to tell QEMU about UI information in the application
    595          * startup phase -- we haven't yet registered dcl with the QEMU UI
    596          * layer.
    597          * When cocoa_display_init() does register the dcl, the UI layer
    598          * will call cocoa_switch(), which will call updateUIInfo, so
    599          * we don't lose any information here.
    600          */
    601         return;
    602     }
    603 
    604     with_iothread_lock(^{
    605         [self updateUIInfoLocked];
    606     });
    607 }
    608 
    609 - (void)viewDidMoveToWindow
    610 {
    611     [self updateUIInfo];
    612 }
    613 
    614 - (void) switchSurface:(pixman_image_t *)image
    615 {
    616     COCOA_DEBUG("QemuCocoaView: switchSurface\n");
    617 
    618     int w = pixman_image_get_width(image);
    619     int h = pixman_image_get_height(image);
    620     /* cdx == 0 means this is our very first surface, in which case we need
    621      * to recalculate the content dimensions even if it happens to be the size
    622      * of the initial empty window.
    623      */
    624     bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
    625 
    626     int oldh = screen.height;
    627     if (isResize) {
    628         // Resize before we trigger the redraw, or we'll redraw at the wrong size
    629         COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
    630         screen.width = w;
    631         screen.height = h;
    632         [self setContentDimensions];
    633         [self setFrame:NSMakeRect(cx, cy, cw, ch)];
    634     }
    635 
    636     // update screenBuffer
    637     if (pixman_image) {
    638         pixman_image_unref(pixman_image);
    639     }
    640 
    641     pixman_image = image;
    642 
    643     // update windows
    644     if (isFullscreen) {
    645         [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
    646         [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
    647     } else {
    648         if (qemu_name)
    649             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
    650         [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
    651     }
    652 
    653     if (isResize) {
    654         [normalWindow center];
    655     }
    656 }
    657 
    658 - (void) toggleFullScreen:(id)sender
    659 {
    660     COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
    661 
    662     if (isFullscreen) { // switch from fullscreen to desktop
    663         isFullscreen = FALSE;
    664         [self ungrabMouse];
    665         [self setContentDimensions];
    666         [fullScreenWindow close];
    667         [normalWindow setContentView: self];
    668         [normalWindow makeKeyAndOrderFront: self];
    669         [NSMenu setMenuBarVisible:YES];
    670     } else { // switch from desktop to fullscreen
    671         isFullscreen = TRUE;
    672         [normalWindow orderOut: nil]; /* Hide the window */
    673         [self grabMouse];
    674         [self setContentDimensions];
    675         [NSMenu setMenuBarVisible:NO];
    676         fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
    677             styleMask:NSWindowStyleMaskBorderless
    678             backing:NSBackingStoreBuffered
    679             defer:NO];
    680         [fullScreenWindow setAcceptsMouseMovedEvents: YES];
    681         [fullScreenWindow setHasShadow:NO];
    682         [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
    683         [self setFrame:NSMakeRect(cx, cy, cw, ch)];
    684         [[fullScreenWindow contentView] addSubview: self];
    685         [fullScreenWindow makeKeyAndOrderFront:self];
    686     }
    687 }
    688 
    689 - (void) setFullGrab:(id)sender
    690 {
    691     COCOA_DEBUG("QemuCocoaView: setFullGrab\n");
    692 
    693     CGEventMask mask = CGEventMaskBit(kCGEventKeyDown) | CGEventMaskBit(kCGEventKeyUp) | CGEventMaskBit(kCGEventFlagsChanged);
    694     eventsTap = CGEventTapCreate(kCGHIDEventTap, kCGHeadInsertEventTap, kCGEventTapOptionDefault,
    695                                  mask, handleTapEvent, self);
    696     if (!eventsTap) {
    697         warn_report("Could not create event tap, system key combos will not be captured.\n");
    698         return;
    699     } else {
    700         COCOA_DEBUG("Global events tap created! Will capture system key combos.\n");
    701     }
    702 
    703     CFRunLoopRef runLoop = CFRunLoopGetCurrent();
    704     if (!runLoop) {
    705         warn_report("Could not obtain current CF RunLoop, system key combos will not be captured.\n");
    706         return;
    707     }
    708 
    709     CFRunLoopSourceRef tapEventsSrc = CFMachPortCreateRunLoopSource(kCFAllocatorDefault, eventsTap, 0);
    710     if (!tapEventsSrc ) {
    711         warn_report("Could not obtain current CF RunLoop, system key combos will not be captured.\n");
    712         return;
    713     }
    714 
    715     CFRunLoopAddSource(runLoop, tapEventsSrc, kCFRunLoopDefaultMode);
    716     CFRelease(tapEventsSrc);
    717 }
    718 
    719 - (void) toggleKey: (int)keycode {
    720     qkbd_state_key_event(kbd, keycode, !qkbd_state_key_get(kbd, keycode));
    721 }
    722 
    723 // Does the work of sending input to the monitor
    724 - (void) handleMonitorInput:(NSEvent *)event
    725 {
    726     int keysym = 0;
    727     int control_key = 0;
    728 
    729     // if the control key is down
    730     if ([event modifierFlags] & NSEventModifierFlagControl) {
    731         control_key = 1;
    732     }
    733 
    734     /* translates Macintosh keycodes to QEMU's keysym */
    735 
    736     static const int without_control_translation[] = {
    737         [0 ... 0xff] = 0,   // invalid key
    738 
    739         [kVK_UpArrow]       = QEMU_KEY_UP,
    740         [kVK_DownArrow]     = QEMU_KEY_DOWN,
    741         [kVK_RightArrow]    = QEMU_KEY_RIGHT,
    742         [kVK_LeftArrow]     = QEMU_KEY_LEFT,
    743         [kVK_Home]          = QEMU_KEY_HOME,
    744         [kVK_End]           = QEMU_KEY_END,
    745         [kVK_PageUp]        = QEMU_KEY_PAGEUP,
    746         [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
    747         [kVK_ForwardDelete] = QEMU_KEY_DELETE,
    748         [kVK_Delete]        = QEMU_KEY_BACKSPACE,
    749     };
    750 
    751     static const int with_control_translation[] = {
    752         [0 ... 0xff] = 0,   // invalid key
    753 
    754         [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
    755         [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
    756         [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
    757         [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
    758         [kVK_Home]          = QEMU_KEY_CTRL_HOME,
    759         [kVK_End]           = QEMU_KEY_CTRL_END,
    760         [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
    761         [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
    762     };
    763 
    764     if (control_key != 0) { /* If the control key is being used */
    765         if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
    766             keysym = with_control_translation[[event keyCode]];
    767         }
    768     } else {
    769         if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
    770             keysym = without_control_translation[[event keyCode]];
    771         }
    772     }
    773 
    774     // if not a key that needs translating
    775     if (keysym == 0) {
    776         NSString *ks = [event characters];
    777         if ([ks length] > 0) {
    778             keysym = [ks characterAtIndex:0];
    779         }
    780     }
    781 
    782     if (keysym) {
    783         kbd_put_keysym(keysym);
    784     }
    785 }
    786 
    787 - (bool) handleEvent:(NSEvent *)event
    788 {
    789     return bool_with_iothread_lock(^{
    790         return [self handleEventLocked:event];
    791     });
    792 }
    793 
    794 - (bool) handleEventLocked:(NSEvent *)event
    795 {
    796     /* Return true if we handled the event, false if it should be given to OSX */
    797     COCOA_DEBUG("QemuCocoaView: handleEvent\n");
    798     int buttons = 0;
    799     int keycode = 0;
    800     bool mouse_event = false;
    801     // Location of event in virtual screen coordinates
    802     NSPoint p = [self screenLocationOfEvent:event];
    803     NSUInteger modifiers = [event modifierFlags];
    804 
    805     /*
    806      * Check -[NSEvent modifierFlags] here.
    807      *
    808      * There is a NSEventType for an event notifying the change of
    809      * -[NSEvent modifierFlags], NSEventTypeFlagsChanged but these operations
    810      * are performed for any events because a modifier state may change while
    811      * the application is inactive (i.e. no events fire) and we don't want to
    812      * wait for another modifier state change to detect such a change.
    813      *
    814      * NSEventModifierFlagCapsLock requires a special treatment. The other flags
    815      * are handled in similar manners.
    816      *
    817      * NSEventModifierFlagCapsLock
    818      * ---------------------------
    819      *
    820      * If CapsLock state is changed, "up" and "down" events will be fired in
    821      * sequence, effectively updates CapsLock state on the guest.
    822      *
    823      * The other flags
    824      * ---------------
    825      *
    826      * If a flag is not set, fire "up" events for all keys which correspond to
    827      * the flag. Note that "down" events are not fired here because the flags
    828      * checked here do not tell what exact keys are down.
    829      *
    830      * If one of the keys corresponding to a flag is down, we rely on
    831      * -[NSEvent keyCode] of an event whose -[NSEvent type] is
    832      * NSEventTypeFlagsChanged to know the exact key which is down, which has
    833      * the following two downsides:
    834      * - It does not work when the application is inactive as described above.
    835      * - It malfactions *after* the modifier state is changed while the
    836      *   application is inactive. It is because -[NSEvent keyCode] does not tell
    837      *   if the key is up or down, and requires to infer the current state from
    838      *   the previous state. It is still possible to fix such a malfanction by
    839      *   completely leaving your hands from the keyboard, which hopefully makes
    840      *   this implementation usable enough.
    841      */
    842     if (!!(modifiers & NSEventModifierFlagCapsLock) !=
    843         qkbd_state_modifier_get(kbd, QKBD_MOD_CAPSLOCK)) {
    844         qkbd_state_key_event(kbd, Q_KEY_CODE_CAPS_LOCK, true);
    845         qkbd_state_key_event(kbd, Q_KEY_CODE_CAPS_LOCK, false);
    846     }
    847 
    848     if (!(modifiers & NSEventModifierFlagShift)) {
    849         qkbd_state_key_event(kbd, Q_KEY_CODE_SHIFT, false);
    850         qkbd_state_key_event(kbd, Q_KEY_CODE_SHIFT_R, false);
    851     }
    852     if (!(modifiers & NSEventModifierFlagControl)) {
    853         qkbd_state_key_event(kbd, Q_KEY_CODE_CTRL, false);
    854         qkbd_state_key_event(kbd, Q_KEY_CODE_CTRL_R, false);
    855     }
    856     if (!(modifiers & NSEventModifierFlagOption)) {
    857         if (swap_opt_cmd) {
    858             qkbd_state_key_event(kbd, Q_KEY_CODE_META_L, false);
    859             qkbd_state_key_event(kbd, Q_KEY_CODE_META_R, false);
    860         } else {
    861             qkbd_state_key_event(kbd, Q_KEY_CODE_ALT, false);
    862             qkbd_state_key_event(kbd, Q_KEY_CODE_ALT_R, false);
    863         }
    864     }
    865     if (!(modifiers & NSEventModifierFlagCommand)) {
    866         if (swap_opt_cmd) {
    867             qkbd_state_key_event(kbd, Q_KEY_CODE_ALT, false);
    868             qkbd_state_key_event(kbd, Q_KEY_CODE_ALT_R, false);
    869         } else {
    870             qkbd_state_key_event(kbd, Q_KEY_CODE_META_L, false);
    871             qkbd_state_key_event(kbd, Q_KEY_CODE_META_R, false);
    872         }
    873     }
    874 
    875     switch ([event type]) {
    876         case NSEventTypeFlagsChanged:
    877             switch ([event keyCode]) {
    878                 case kVK_Shift:
    879                     if (!!(modifiers & NSEventModifierFlagShift)) {
    880                         [self toggleKey:Q_KEY_CODE_SHIFT];
    881                     }
    882                     break;
    883 
    884                 case kVK_RightShift:
    885                     if (!!(modifiers & NSEventModifierFlagShift)) {
    886                         [self toggleKey:Q_KEY_CODE_SHIFT_R];
    887                     }
    888                     break;
    889 
    890                 case kVK_Control:
    891                     if (!!(modifiers & NSEventModifierFlagControl)) {
    892                         [self toggleKey:Q_KEY_CODE_CTRL];
    893                     }
    894                     break;
    895 
    896                 case kVK_RightControl:
    897                     if (!!(modifiers & NSEventModifierFlagControl)) {
    898                         [self toggleKey:Q_KEY_CODE_CTRL_R];
    899                     }
    900                     break;
    901 
    902                 case kVK_Option:
    903                     if (!!(modifiers & NSEventModifierFlagOption)) {
    904                         if (swap_opt_cmd) {
    905                             [self toggleKey:Q_KEY_CODE_META_L];
    906                         } else {
    907                             [self toggleKey:Q_KEY_CODE_ALT];
    908                         }
    909                     }
    910                     break;
    911 
    912                 case kVK_RightOption:
    913                     if (!!(modifiers & NSEventModifierFlagOption)) {
    914                         if (swap_opt_cmd) {
    915                             [self toggleKey:Q_KEY_CODE_META_R];
    916                         } else {
    917                             [self toggleKey:Q_KEY_CODE_ALT_R];
    918                         }
    919                     }
    920                     break;
    921 
    922                 /* Don't pass command key changes to guest unless mouse is grabbed */
    923                 case kVK_Command:
    924                     if (isMouseGrabbed &&
    925                         !!(modifiers & NSEventModifierFlagCommand) &&
    926                         left_command_key_enabled) {
    927                         if (swap_opt_cmd) {
    928                             [self toggleKey:Q_KEY_CODE_ALT];
    929                         } else {
    930                             [self toggleKey:Q_KEY_CODE_META_L];
    931                         }
    932                     }
    933                     break;
    934 
    935                 case kVK_RightCommand:
    936                     if (isMouseGrabbed &&
    937                         !!(modifiers & NSEventModifierFlagCommand)) {
    938                         if (swap_opt_cmd) {
    939                             [self toggleKey:Q_KEY_CODE_ALT_R];
    940                         } else {
    941                             [self toggleKey:Q_KEY_CODE_META_R];
    942                         }
    943                     }
    944                     break;
    945             }
    946             break;
    947         case NSEventTypeKeyDown:
    948             keycode = cocoa_keycode_to_qemu([event keyCode]);
    949 
    950             // forward command key combos to the host UI unless the mouse is grabbed
    951             if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
    952                 return false;
    953             }
    954 
    955             // default
    956 
    957             // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
    958             if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
    959                 NSString *keychar = [event charactersIgnoringModifiers];
    960                 if ([keychar length] == 1) {
    961                     char key = [keychar characterAtIndex:0];
    962                     switch (key) {
    963 
    964                         // enable graphic console
    965                         case '1' ... '9':
    966                             console_select(key - '0' - 1); /* ascii math */
    967                             return true;
    968 
    969                         // release the mouse grab
    970                         case 'g':
    971                             [self ungrabMouse];
    972                             return true;
    973                     }
    974                 }
    975             }
    976 
    977             if (qemu_console_is_graphic(NULL)) {
    978                 qkbd_state_key_event(kbd, keycode, true);
    979             } else {
    980                 [self handleMonitorInput: event];
    981             }
    982             break;
    983         case NSEventTypeKeyUp:
    984             keycode = cocoa_keycode_to_qemu([event keyCode]);
    985 
    986             // don't pass the guest a spurious key-up if we treated this
    987             // command-key combo as a host UI action
    988             if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
    989                 return true;
    990             }
    991 
    992             if (qemu_console_is_graphic(NULL)) {
    993                 qkbd_state_key_event(kbd, keycode, false);
    994             }
    995             break;
    996         case NSEventTypeMouseMoved:
    997             if (isAbsoluteEnabled) {
    998                 // Cursor re-entered into a window might generate events bound to screen coordinates
    999                 // and `nil` window property, and in full screen mode, current window might not be
   1000                 // key window, where event location alone should suffice.
   1001                 if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
   1002                     if (isMouseGrabbed) {
   1003                         [self ungrabMouse];
   1004                     }
   1005                 } else {
   1006                     if (!isMouseGrabbed) {
   1007                         [self grabMouse];
   1008                     }
   1009                 }
   1010             }
   1011             mouse_event = true;
   1012             break;
   1013         case NSEventTypeLeftMouseDown:
   1014             buttons |= MOUSE_EVENT_LBUTTON;
   1015             mouse_event = true;
   1016             break;
   1017         case NSEventTypeRightMouseDown:
   1018             buttons |= MOUSE_EVENT_RBUTTON;
   1019             mouse_event = true;
   1020             break;
   1021         case NSEventTypeOtherMouseDown:
   1022             buttons |= MOUSE_EVENT_MBUTTON;
   1023             mouse_event = true;
   1024             break;
   1025         case NSEventTypeLeftMouseDragged:
   1026             buttons |= MOUSE_EVENT_LBUTTON;
   1027             mouse_event = true;
   1028             break;
   1029         case NSEventTypeRightMouseDragged:
   1030             buttons |= MOUSE_EVENT_RBUTTON;
   1031             mouse_event = true;
   1032             break;
   1033         case NSEventTypeOtherMouseDragged:
   1034             buttons |= MOUSE_EVENT_MBUTTON;
   1035             mouse_event = true;
   1036             break;
   1037         case NSEventTypeLeftMouseUp:
   1038             mouse_event = true;
   1039             if (!isMouseGrabbed && [self screenContainsPoint:p]) {
   1040                 /*
   1041                  * In fullscreen mode, the window of cocoaView may not be the
   1042                  * key window, therefore the position relative to the virtual
   1043                  * screen alone will be sufficient.
   1044                  */
   1045                 if(isFullscreen || [[self window] isKeyWindow]) {
   1046                     [self grabMouse];
   1047                 }
   1048             }
   1049             break;
   1050         case NSEventTypeRightMouseUp:
   1051             mouse_event = true;
   1052             break;
   1053         case NSEventTypeOtherMouseUp:
   1054             mouse_event = true;
   1055             break;
   1056         case NSEventTypeScrollWheel:
   1057             /*
   1058              * Send wheel events to the guest regardless of window focus.
   1059              * This is in-line with standard Mac OS X UI behaviour.
   1060              */
   1061 
   1062             /*
   1063              * We shouldn't have got a scroll event when deltaY and delta Y
   1064              * are zero, hence no harm in dropping the event
   1065              */
   1066             if ([event deltaY] != 0 || [event deltaX] != 0) {
   1067             /* Determine if this is a scroll up or scroll down event */
   1068                 if ([event deltaY] != 0) {
   1069                   buttons = ([event deltaY] > 0) ?
   1070                     INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
   1071                 } else if ([event deltaX] != 0) {
   1072                   buttons = ([event deltaX] > 0) ?
   1073                     INPUT_BUTTON_WHEEL_LEFT : INPUT_BUTTON_WHEEL_RIGHT;
   1074                 }
   1075 
   1076                 qemu_input_queue_btn(dcl.con, buttons, true);
   1077                 qemu_input_event_sync();
   1078                 qemu_input_queue_btn(dcl.con, buttons, false);
   1079                 qemu_input_event_sync();
   1080             }
   1081 
   1082             /*
   1083              * Since deltaX/deltaY also report scroll wheel events we prevent mouse
   1084              * movement code from executing.
   1085              */
   1086             mouse_event = false;
   1087             break;
   1088         default:
   1089             return false;
   1090     }
   1091 
   1092     if (mouse_event) {
   1093         /* Don't send button events to the guest unless we've got a
   1094          * mouse grab or window focus. If we have neither then this event
   1095          * is the user clicking on the background window to activate and
   1096          * bring us to the front, which will be done by the sendEvent
   1097          * call below. We definitely don't want to pass that click through
   1098          * to the guest.
   1099          */
   1100         if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
   1101             (last_buttons != buttons)) {
   1102             static uint32_t bmap[INPUT_BUTTON__MAX] = {
   1103                 [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
   1104                 [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
   1105                 [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
   1106             };
   1107             qemu_input_update_buttons(dcl.con, bmap, last_buttons, buttons);
   1108             last_buttons = buttons;
   1109         }
   1110         if (isMouseGrabbed) {
   1111             if (isAbsoluteEnabled) {
   1112                 /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
   1113                  * The check on screenContainsPoint is to avoid sending out of range values for
   1114                  * clicks in the titlebar.
   1115                  */
   1116                 if ([self screenContainsPoint:p]) {
   1117                     qemu_input_queue_abs(dcl.con, INPUT_AXIS_X, p.x, 0, screen.width);
   1118                     qemu_input_queue_abs(dcl.con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
   1119                 }
   1120             } else {
   1121                 qemu_input_queue_rel(dcl.con, INPUT_AXIS_X, (int)[event deltaX]);
   1122                 qemu_input_queue_rel(dcl.con, INPUT_AXIS_Y, (int)[event deltaY]);
   1123             }
   1124         } else {
   1125             return false;
   1126         }
   1127         qemu_input_event_sync();
   1128     }
   1129     return true;
   1130 }
   1131 
   1132 - (void) grabMouse
   1133 {
   1134     COCOA_DEBUG("QemuCocoaView: grabMouse\n");
   1135 
   1136     if (!isFullscreen) {
   1137         if (qemu_name)
   1138             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
   1139         else
   1140             [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
   1141     }
   1142     [self hideCursor];
   1143     CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled);
   1144     isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
   1145 }
   1146 
   1147 - (void) ungrabMouse
   1148 {
   1149     COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
   1150 
   1151     if (!isFullscreen) {
   1152         if (qemu_name)
   1153             [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
   1154         else
   1155             [normalWindow setTitle:@"QEMU"];
   1156     }
   1157     [self unhideCursor];
   1158     CGAssociateMouseAndMouseCursorPosition(TRUE);
   1159     isMouseGrabbed = FALSE;
   1160 }
   1161 
   1162 - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {
   1163     isAbsoluteEnabled = tIsAbsoluteEnabled;
   1164     if (isMouseGrabbed) {
   1165         CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled);
   1166     }
   1167 }
   1168 - (BOOL) isMouseGrabbed {return isMouseGrabbed;}
   1169 - (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
   1170 - (float) cdx {return cdx;}
   1171 - (float) cdy {return cdy;}
   1172 - (QEMUScreen) gscreen {return screen;}
   1173 
   1174 /*
   1175  * Makes the target think all down keys are being released.
   1176  * This prevents a stuck key problem, since we will not see
   1177  * key up events for those keys after we have lost focus.
   1178  */
   1179 - (void) raiseAllKeys
   1180 {
   1181     with_iothread_lock(^{
   1182         qkbd_state_lift_all_keys(kbd);
   1183     });
   1184 }
   1185 @end
   1186 
   1187 
   1188 
   1189 /*
   1190  ------------------------------------------------------
   1191     QemuCocoaAppController
   1192  ------------------------------------------------------
   1193 */
   1194 @interface QemuCocoaAppController : NSObject
   1195                                        <NSWindowDelegate, NSApplicationDelegate>
   1196 {
   1197 }
   1198 - (void)doToggleFullScreen:(id)sender;
   1199 - (void)toggleFullScreen:(id)sender;
   1200 - (void)showQEMUDoc:(id)sender;
   1201 - (void)zoomToFit:(id) sender;
   1202 - (void)displayConsole:(id)sender;
   1203 - (void)pauseQEMU:(id)sender;
   1204 - (void)resumeQEMU:(id)sender;
   1205 - (void)displayPause;
   1206 - (void)removePause;
   1207 - (void)restartQEMU:(id)sender;
   1208 - (void)powerDownQEMU:(id)sender;
   1209 - (void)ejectDeviceMedia:(id)sender;
   1210 - (void)changeDeviceMedia:(id)sender;
   1211 - (BOOL)verifyQuit;
   1212 - (void)openDocumentation:(NSString *)filename;
   1213 - (IBAction) do_about_menu_item: (id) sender;
   1214 - (void)adjustSpeed:(id)sender;
   1215 @end
   1216 
   1217 @implementation QemuCocoaAppController
   1218 - (id) init
   1219 {
   1220     COCOA_DEBUG("QemuCocoaAppController: init\n");
   1221 
   1222     self = [super init];
   1223     if (self) {
   1224 
   1225         // create a view and add it to the window
   1226         cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
   1227         if(!cocoaView) {
   1228             error_report("(cocoa) can't create a view");
   1229             exit(1);
   1230         }
   1231 
   1232         // create a window
   1233         normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
   1234             styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
   1235             backing:NSBackingStoreBuffered defer:NO];
   1236         if(!normalWindow) {
   1237             error_report("(cocoa) can't create window");
   1238             exit(1);
   1239         }
   1240         [normalWindow setAcceptsMouseMovedEvents:YES];
   1241         [normalWindow setTitle:@"QEMU"];
   1242         [normalWindow setContentView:cocoaView];
   1243         [normalWindow makeKeyAndOrderFront:self];
   1244         [normalWindow center];
   1245         [normalWindow setDelegate: self];
   1246         stretch_video = false;
   1247 
   1248         /* Used for displaying pause on the screen */
   1249         pauseLabel = [NSTextField new];
   1250         [pauseLabel setBezeled:YES];
   1251         [pauseLabel setDrawsBackground:YES];
   1252         [pauseLabel setBackgroundColor: [NSColor whiteColor]];
   1253         [pauseLabel setEditable:NO];
   1254         [pauseLabel setSelectable:NO];
   1255         [pauseLabel setStringValue: @"Paused"];
   1256         [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
   1257         [pauseLabel setTextColor: [NSColor blackColor]];
   1258         [pauseLabel sizeToFit];
   1259     }
   1260     return self;
   1261 }
   1262 
   1263 - (void) dealloc
   1264 {
   1265     COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
   1266 
   1267     if (cocoaView)
   1268         [cocoaView release];
   1269     [super dealloc];
   1270 }
   1271 
   1272 - (void)applicationDidFinishLaunching: (NSNotification *) note
   1273 {
   1274     COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
   1275     allow_events = true;
   1276 }
   1277 
   1278 - (void)applicationWillTerminate:(NSNotification *)aNotification
   1279 {
   1280     COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
   1281 
   1282     with_iothread_lock(^{
   1283         shutdown_action = SHUTDOWN_ACTION_POWEROFF;
   1284         qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
   1285     });
   1286 
   1287     /*
   1288      * Sleep here, because returning will cause OSX to kill us
   1289      * immediately; the QEMU main loop will handle the shutdown
   1290      * request and terminate the process.
   1291      */
   1292     [NSThread sleepForTimeInterval:INFINITY];
   1293 }
   1294 
   1295 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
   1296 {
   1297     return YES;
   1298 }
   1299 
   1300 - (NSApplicationTerminateReply)applicationShouldTerminate:
   1301                                                          (NSApplication *)sender
   1302 {
   1303     COCOA_DEBUG("QemuCocoaAppController: applicationShouldTerminate\n");
   1304     return [self verifyQuit];
   1305 }
   1306 
   1307 - (void)windowDidChangeScreen:(NSNotification *)notification
   1308 {
   1309     [cocoaView updateUIInfo];
   1310 }
   1311 
   1312 - (void)windowDidResize:(NSNotification *)notification
   1313 {
   1314     [cocoaView updateUIInfo];
   1315 }
   1316 
   1317 /* Called when the user clicks on a window's close button */
   1318 - (BOOL)windowShouldClose:(id)sender
   1319 {
   1320     COCOA_DEBUG("QemuCocoaAppController: windowShouldClose\n");
   1321     [NSApp terminate: sender];
   1322     /* If the user allows the application to quit then the call to
   1323      * NSApp terminate will never return. If we get here then the user
   1324      * cancelled the quit, so we should return NO to not permit the
   1325      * closing of this window.
   1326      */
   1327     return NO;
   1328 }
   1329 
   1330 /* Called when QEMU goes into the background */
   1331 - (void) applicationWillResignActive: (NSNotification *)aNotification
   1332 {
   1333     COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
   1334     [cocoaView ungrabMouse];
   1335     [cocoaView raiseAllKeys];
   1336 }
   1337 
   1338 /* We abstract the method called by the Enter Fullscreen menu item
   1339  * because Mac OS 10.7 and higher disables it. This is because of the
   1340  * menu item's old selector's name toggleFullScreen:
   1341  */
   1342 - (void) doToggleFullScreen:(id)sender
   1343 {
   1344     [self toggleFullScreen:(id)sender];
   1345 }
   1346 
   1347 - (void)toggleFullScreen:(id)sender
   1348 {
   1349     COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
   1350 
   1351     [cocoaView toggleFullScreen:sender];
   1352 }
   1353 
   1354 - (void) setFullGrab:(id)sender
   1355 {
   1356     COCOA_DEBUG("QemuCocoaAppController: setFullGrab\n");
   1357 
   1358     [cocoaView setFullGrab:sender];
   1359 }
   1360 
   1361 /* Tries to find then open the specified filename */
   1362 - (void) openDocumentation: (NSString *) filename
   1363 {
   1364     /* Where to look for local files */
   1365     NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", @"docs/"};
   1366     NSString *full_file_path;
   1367     NSURL *full_file_url;
   1368 
   1369     /* iterate thru the possible paths until the file is found */
   1370     int index;
   1371     for (index = 0; index < ARRAY_SIZE(path_array); index++) {
   1372         full_file_path = [[NSBundle mainBundle] executablePath];
   1373         full_file_path = [full_file_path stringByDeletingLastPathComponent];
   1374         full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
   1375                           path_array[index], filename];
   1376         full_file_url = [NSURL fileURLWithPath: full_file_path
   1377                                    isDirectory: false];
   1378         if ([[NSWorkspace sharedWorkspace] openURL: full_file_url] == YES) {
   1379             return;
   1380         }
   1381     }
   1382 
   1383     /* If none of the paths opened a file */
   1384     NSBeep();
   1385     QEMU_Alert(@"Failed to open file");
   1386 }
   1387 
   1388 - (void)showQEMUDoc:(id)sender
   1389 {
   1390     COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
   1391 
   1392     [self openDocumentation: @"index.html"];
   1393 }
   1394 
   1395 /* Stretches video to fit host monitor size */
   1396 - (void)zoomToFit:(id) sender
   1397 {
   1398     stretch_video = !stretch_video;
   1399     if (stretch_video == true) {
   1400         [sender setState: NSControlStateValueOn];
   1401     } else {
   1402         [sender setState: NSControlStateValueOff];
   1403     }
   1404 }
   1405 
   1406 /* Displays the console on the screen */
   1407 - (void)displayConsole:(id)sender
   1408 {
   1409     console_select([sender tag]);
   1410 }
   1411 
   1412 /* Pause the guest */
   1413 - (void)pauseQEMU:(id)sender
   1414 {
   1415     with_iothread_lock(^{
   1416         qmp_stop(NULL);
   1417     });
   1418     [sender setEnabled: NO];
   1419     [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
   1420     [self displayPause];
   1421 }
   1422 
   1423 /* Resume running the guest operating system */
   1424 - (void)resumeQEMU:(id) sender
   1425 {
   1426     with_iothread_lock(^{
   1427         qmp_cont(NULL);
   1428     });
   1429     [sender setEnabled: NO];
   1430     [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
   1431     [self removePause];
   1432 }
   1433 
   1434 /* Displays the word pause on the screen */
   1435 - (void)displayPause
   1436 {
   1437     /* Coordinates have to be calculated each time because the window can change its size */
   1438     int xCoord, yCoord, width, height;
   1439     xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
   1440     yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
   1441     width = [pauseLabel frame].size.width;
   1442     height = [pauseLabel frame].size.height;
   1443     [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
   1444     [cocoaView addSubview: pauseLabel];
   1445 }
   1446 
   1447 /* Removes the word pause from the screen */
   1448 - (void)removePause
   1449 {
   1450     [pauseLabel removeFromSuperview];
   1451 }
   1452 
   1453 /* Restarts QEMU */
   1454 - (void)restartQEMU:(id)sender
   1455 {
   1456     with_iothread_lock(^{
   1457         qmp_system_reset(NULL);
   1458     });
   1459 }
   1460 
   1461 /* Powers down QEMU */
   1462 - (void)powerDownQEMU:(id)sender
   1463 {
   1464     with_iothread_lock(^{
   1465         qmp_system_powerdown(NULL);
   1466     });
   1467 }
   1468 
   1469 /* Ejects the media.
   1470  * Uses sender's tag to figure out the device to eject.
   1471  */
   1472 - (void)ejectDeviceMedia:(id)sender
   1473 {
   1474     NSString * drive;
   1475     drive = [sender representedObject];
   1476     if(drive == nil) {
   1477         NSBeep();
   1478         QEMU_Alert(@"Failed to find drive to eject!");
   1479         return;
   1480     }
   1481 
   1482     __block Error *err = NULL;
   1483     with_iothread_lock(^{
   1484         qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
   1485                   false, NULL, false, false, &err);
   1486     });
   1487     handleAnyDeviceErrors(err);
   1488 }
   1489 
   1490 /* Displays a dialog box asking the user to select an image file to load.
   1491  * Uses sender's represented object value to figure out which drive to use.
   1492  */
   1493 - (void)changeDeviceMedia:(id)sender
   1494 {
   1495     /* Find the drive name */
   1496     NSString * drive;
   1497     drive = [sender representedObject];
   1498     if(drive == nil) {
   1499         NSBeep();
   1500         QEMU_Alert(@"Could not find drive!");
   1501         return;
   1502     }
   1503 
   1504     /* Display the file open dialog */
   1505     NSOpenPanel * openPanel;
   1506     openPanel = [NSOpenPanel openPanel];
   1507     [openPanel setCanChooseFiles: YES];
   1508     [openPanel setAllowsMultipleSelection: NO];
   1509     if([openPanel runModal] == NSModalResponseOK) {
   1510         NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
   1511         if(file == nil) {
   1512             NSBeep();
   1513             QEMU_Alert(@"Failed to convert URL to file path!");
   1514             return;
   1515         }
   1516 
   1517         __block Error *err = NULL;
   1518         with_iothread_lock(^{
   1519             qmp_blockdev_change_medium(true,
   1520                                        [drive cStringUsingEncoding:
   1521                                                   NSASCIIStringEncoding],
   1522                                        false, NULL,
   1523                                        [file cStringUsingEncoding:
   1524                                                  NSASCIIStringEncoding],
   1525                                        true, "raw",
   1526                                        true, false,
   1527                                        false, 0,
   1528                                        &err);
   1529         });
   1530         handleAnyDeviceErrors(err);
   1531     }
   1532 }
   1533 
   1534 /* Verifies if the user really wants to quit */
   1535 - (BOOL)verifyQuit
   1536 {
   1537     NSAlert *alert = [NSAlert new];
   1538     [alert autorelease];
   1539     [alert setMessageText: @"Are you sure you want to quit QEMU?"];
   1540     [alert addButtonWithTitle: @"Cancel"];
   1541     [alert addButtonWithTitle: @"Quit"];
   1542     if([alert runModal] == NSAlertSecondButtonReturn) {
   1543         return YES;
   1544     } else {
   1545         return NO;
   1546     }
   1547 }
   1548 
   1549 /* The action method for the About menu item */
   1550 - (IBAction) do_about_menu_item: (id) sender
   1551 {
   1552     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
   1553     char *icon_path_c = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/512x512/apps/qemu.png");
   1554     NSString *icon_path = [NSString stringWithUTF8String:icon_path_c];
   1555     g_free(icon_path_c);
   1556     NSImage *icon = [[NSImage alloc] initWithContentsOfFile:icon_path];
   1557     NSString *version = @"QEMU emulator version " QEMU_FULL_VERSION;
   1558     NSString *copyright = @QEMU_COPYRIGHT;
   1559     NSDictionary *options;
   1560     if (icon) {
   1561         options = @{
   1562             NSAboutPanelOptionApplicationIcon : icon,
   1563             NSAboutPanelOptionApplicationVersion : version,
   1564             @"Copyright" : copyright,
   1565         };
   1566         [icon release];
   1567     } else {
   1568         options = @{
   1569             NSAboutPanelOptionApplicationVersion : version,
   1570             @"Copyright" : copyright,
   1571         };
   1572     }
   1573     [NSApp orderFrontStandardAboutPanelWithOptions:options];
   1574     [pool release];
   1575 }
   1576 
   1577 /* Used by the Speed menu items */
   1578 - (void)adjustSpeed:(id)sender
   1579 {
   1580     int throttle_pct; /* throttle percentage */
   1581     NSMenu *menu;
   1582 
   1583     menu = [sender menu];
   1584     if (menu != nil)
   1585     {
   1586         /* Unselect the currently selected item */
   1587         for (NSMenuItem *item in [menu itemArray]) {
   1588             if (item.state == NSControlStateValueOn) {
   1589                 [item setState: NSControlStateValueOff];
   1590                 break;
   1591             }
   1592         }
   1593     }
   1594 
   1595     // check the menu item
   1596     [sender setState: NSControlStateValueOn];
   1597 
   1598     // get the throttle percentage
   1599     throttle_pct = [sender tag];
   1600 
   1601     with_iothread_lock(^{
   1602         cpu_throttle_set(throttle_pct);
   1603     });
   1604     COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
   1605 }
   1606 
   1607 @end
   1608 
   1609 @interface QemuApplication : NSApplication
   1610 @end
   1611 
   1612 @implementation QemuApplication
   1613 - (void)sendEvent:(NSEvent *)event
   1614 {
   1615     COCOA_DEBUG("QemuApplication: sendEvent\n");
   1616     if (![cocoaView handleEvent:event]) {
   1617         [super sendEvent: event];
   1618     }
   1619 }
   1620 @end
   1621 
   1622 static void create_initial_menus(void)
   1623 {
   1624     // Add menus
   1625     NSMenu      *menu;
   1626     NSMenuItem  *menuItem;
   1627 
   1628     [NSApp setMainMenu:[[NSMenu alloc] init]];
   1629     [NSApp setServicesMenu:[[NSMenu alloc] initWithTitle:@"Services"]];
   1630 
   1631     // Application menu
   1632     menu = [[NSMenu alloc] initWithTitle:@""];
   1633     [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
   1634     [menu addItem:[NSMenuItem separatorItem]]; //Separator
   1635     menuItem = [menu addItemWithTitle:@"Services" action:nil keyEquivalent:@""];
   1636     [menuItem setSubmenu:[NSApp servicesMenu]];
   1637     [menu addItem:[NSMenuItem separatorItem]];
   1638     [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
   1639     menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
   1640     [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
   1641     [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
   1642     [menu addItem:[NSMenuItem separatorItem]]; //Separator
   1643     [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
   1644     menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
   1645     [menuItem setSubmenu:menu];
   1646     [[NSApp mainMenu] addItem:menuItem];
   1647     [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
   1648 
   1649     // Machine menu
   1650     menu = [[NSMenu alloc] initWithTitle: @"Machine"];
   1651     [menu setAutoenablesItems: NO];
   1652     [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
   1653     menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
   1654     [menu addItem: menuItem];
   1655     [menuItem setEnabled: NO];
   1656     [menu addItem: [NSMenuItem separatorItem]];
   1657     [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
   1658     [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
   1659     menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
   1660     [menuItem setSubmenu:menu];
   1661     [[NSApp mainMenu] addItem:menuItem];
   1662 
   1663     // View menu
   1664     menu = [[NSMenu alloc] initWithTitle:@"View"];
   1665     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
   1666     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
   1667     menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
   1668     [menuItem setSubmenu:menu];
   1669     [[NSApp mainMenu] addItem:menuItem];
   1670 
   1671     // Speed menu
   1672     menu = [[NSMenu alloc] initWithTitle:@"Speed"];
   1673 
   1674     // Add the rest of the Speed menu items
   1675     int p, percentage, throttle_pct;
   1676     for (p = 10; p >= 0; p--)
   1677     {
   1678         percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
   1679 
   1680         menuItem = [[[NSMenuItem alloc]
   1681                    initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
   1682 
   1683         if (percentage == 100) {
   1684             [menuItem setState: NSControlStateValueOn];
   1685         }
   1686 
   1687         /* Calculate the throttle percentage */
   1688         throttle_pct = -1 * percentage + 100;
   1689 
   1690         [menuItem setTag: throttle_pct];
   1691         [menu addItem: menuItem];
   1692     }
   1693     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
   1694     [menuItem setSubmenu:menu];
   1695     [[NSApp mainMenu] addItem:menuItem];
   1696 
   1697     // Window menu
   1698     menu = [[NSMenu alloc] initWithTitle:@"Window"];
   1699     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
   1700     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
   1701     [menuItem setSubmenu:menu];
   1702     [[NSApp mainMenu] addItem:menuItem];
   1703     [NSApp setWindowsMenu:menu];
   1704 
   1705     // Help menu
   1706     menu = [[NSMenu alloc] initWithTitle:@"Help"];
   1707     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
   1708     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
   1709     [menuItem setSubmenu:menu];
   1710     [[NSApp mainMenu] addItem:menuItem];
   1711 }
   1712 
   1713 /* Returns a name for a given console */
   1714 static NSString * getConsoleName(QemuConsole * console)
   1715 {
   1716     g_autofree char *label = qemu_console_get_label(console);
   1717 
   1718     return [NSString stringWithUTF8String:label];
   1719 }
   1720 
   1721 /* Add an entry to the View menu for each console */
   1722 static void add_console_menu_entries(void)
   1723 {
   1724     NSMenu *menu;
   1725     NSMenuItem *menuItem;
   1726     int index = 0;
   1727 
   1728     menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
   1729 
   1730     [menu addItem:[NSMenuItem separatorItem]];
   1731 
   1732     while (qemu_console_lookup_by_index(index) != NULL) {
   1733         menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
   1734                                                action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
   1735         [menuItem setTag: index];
   1736         [menu addItem: menuItem];
   1737         index++;
   1738     }
   1739 }
   1740 
   1741 /* Make menu items for all removable devices.
   1742  * Each device is given an 'Eject' and 'Change' menu item.
   1743  */
   1744 static void addRemovableDevicesMenuItems(void)
   1745 {
   1746     NSMenu *menu;
   1747     NSMenuItem *menuItem;
   1748     BlockInfoList *currentDevice, *pointerToFree;
   1749     NSString *deviceName;
   1750 
   1751     currentDevice = qmp_query_block(NULL);
   1752     pointerToFree = currentDevice;
   1753 
   1754     menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
   1755 
   1756     // Add a separator between related groups of menu items
   1757     [menu addItem:[NSMenuItem separatorItem]];
   1758 
   1759     // Set the attributes to the "Removable Media" menu item
   1760     NSString *titleString = @"Removable Media";
   1761     NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
   1762     NSColor *newColor = [NSColor blackColor];
   1763     NSFontManager *fontManager = [NSFontManager sharedFontManager];
   1764     NSFont *font = [fontManager fontWithFamily:@"Helvetica"
   1765                                           traits:NSBoldFontMask|NSItalicFontMask
   1766                                           weight:0
   1767                                             size:14];
   1768     [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
   1769     [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
   1770     [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
   1771 
   1772     // Add the "Removable Media" menu item
   1773     menuItem = [NSMenuItem new];
   1774     [menuItem setAttributedTitle: attString];
   1775     [menuItem setEnabled: NO];
   1776     [menu addItem: menuItem];
   1777 
   1778     /* Loop through all the block devices in the emulator */
   1779     while (currentDevice) {
   1780         deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
   1781 
   1782         if(currentDevice->value->removable) {
   1783             menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
   1784                                                   action: @selector(changeDeviceMedia:)
   1785                                            keyEquivalent: @""];
   1786             [menu addItem: menuItem];
   1787             [menuItem setRepresentedObject: deviceName];
   1788             [menuItem autorelease];
   1789 
   1790             menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
   1791                                                   action: @selector(ejectDeviceMedia:)
   1792                                            keyEquivalent: @""];
   1793             [menu addItem: menuItem];
   1794             [menuItem setRepresentedObject: deviceName];
   1795             [menuItem autorelease];
   1796         }
   1797         currentDevice = currentDevice->next;
   1798     }
   1799     qapi_free_BlockInfoList(pointerToFree);
   1800 }
   1801 
   1802 @interface QemuCocoaPasteboardTypeOwner : NSObject<NSPasteboardTypeOwner>
   1803 @end
   1804 
   1805 @implementation QemuCocoaPasteboardTypeOwner
   1806 
   1807 - (void)pasteboard:(NSPasteboard *)sender provideDataForType:(NSPasteboardType)type
   1808 {
   1809     if (type != NSPasteboardTypeString) {
   1810         return;
   1811     }
   1812 
   1813     with_iothread_lock(^{
   1814         QemuClipboardInfo *info = qemu_clipboard_info_ref(cbinfo);
   1815         qemu_event_reset(&cbevent);
   1816         qemu_clipboard_request(info, QEMU_CLIPBOARD_TYPE_TEXT);
   1817 
   1818         while (info == cbinfo &&
   1819                info->types[QEMU_CLIPBOARD_TYPE_TEXT].available &&
   1820                info->types[QEMU_CLIPBOARD_TYPE_TEXT].data == NULL) {
   1821             qemu_mutex_unlock_iothread();
   1822             qemu_event_wait(&cbevent);
   1823             qemu_mutex_lock_iothread();
   1824         }
   1825 
   1826         if (info == cbinfo) {
   1827             NSData *data = [[NSData alloc] initWithBytes:info->types[QEMU_CLIPBOARD_TYPE_TEXT].data
   1828                                            length:info->types[QEMU_CLIPBOARD_TYPE_TEXT].size];
   1829             [sender setData:data forType:NSPasteboardTypeString];
   1830             [data release];
   1831         }
   1832 
   1833         qemu_clipboard_info_unref(info);
   1834     });
   1835 }
   1836 
   1837 @end
   1838 
   1839 static QemuCocoaPasteboardTypeOwner *cbowner;
   1840 
   1841 static void cocoa_clipboard_notify(Notifier *notifier, void *data);
   1842 static void cocoa_clipboard_request(QemuClipboardInfo *info,
   1843                                     QemuClipboardType type);
   1844 
   1845 static QemuClipboardPeer cbpeer = {
   1846     .name = "cocoa",
   1847     .notifier = { .notify = cocoa_clipboard_notify },
   1848     .request = cocoa_clipboard_request
   1849 };
   1850 
   1851 static void cocoa_clipboard_update_info(QemuClipboardInfo *info)
   1852 {
   1853     if (info->owner == &cbpeer || info->selection != QEMU_CLIPBOARD_SELECTION_CLIPBOARD) {
   1854         return;
   1855     }
   1856 
   1857     if (info != cbinfo) {
   1858         NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
   1859         qemu_clipboard_info_unref(cbinfo);
   1860         cbinfo = qemu_clipboard_info_ref(info);
   1861         cbchangecount = [[NSPasteboard generalPasteboard] declareTypes:@[NSPasteboardTypeString] owner:cbowner];
   1862         [pool release];
   1863     }
   1864 
   1865     qemu_event_set(&cbevent);
   1866 }
   1867 
   1868 static void cocoa_clipboard_notify(Notifier *notifier, void *data)
   1869 {
   1870     QemuClipboardNotify *notify = data;
   1871 
   1872     switch (notify->type) {
   1873     case QEMU_CLIPBOARD_UPDATE_INFO:
   1874         cocoa_clipboard_update_info(notify->info);
   1875         return;
   1876     case QEMU_CLIPBOARD_RESET_SERIAL:
   1877         /* ignore */
   1878         return;
   1879     }
   1880 }
   1881 
   1882 static void cocoa_clipboard_request(QemuClipboardInfo *info,
   1883                                     QemuClipboardType type)
   1884 {
   1885     NSAutoreleasePool *pool;
   1886     NSData *text;
   1887 
   1888     switch (type) {
   1889     case QEMU_CLIPBOARD_TYPE_TEXT:
   1890         pool = [[NSAutoreleasePool alloc] init];
   1891         text = [[NSPasteboard generalPasteboard] dataForType:NSPasteboardTypeString];
   1892         if (text) {
   1893             qemu_clipboard_set_data(&cbpeer, info, type,
   1894                                     [text length], [text bytes], true);
   1895         }
   1896         [pool release];
   1897         break;
   1898     default:
   1899         break;
   1900     }
   1901 }
   1902 
   1903 /*
   1904  * The startup process for the OSX/Cocoa UI is complicated, because
   1905  * OSX insists that the UI runs on the initial main thread, and so we
   1906  * need to start a second thread which runs the qemu_default_main():
   1907  * in main():
   1908  *  in cocoa_display_init():
   1909  *   assign cocoa_main to qemu_main
   1910  *   create application, menus, etc
   1911  *  in cocoa_main():
   1912  *   create qemu-main thread
   1913  *   enter OSX run loop
   1914  */
   1915 
   1916 static void *call_qemu_main(void *opaque)
   1917 {
   1918     int status;
   1919 
   1920     COCOA_DEBUG("Second thread: calling qemu_default_main()\n");
   1921     qemu_mutex_lock_iothread();
   1922     status = qemu_default_main();
   1923     qemu_mutex_unlock_iothread();
   1924     COCOA_DEBUG("Second thread: qemu_default_main() returned, exiting\n");
   1925     [cbowner release];
   1926     exit(status);
   1927 }
   1928 
   1929 static int cocoa_main()
   1930 {
   1931     QemuThread thread;
   1932 
   1933     COCOA_DEBUG("Entered %s()\n", __func__);
   1934 
   1935     qemu_mutex_unlock_iothread();
   1936     qemu_thread_create(&thread, "qemu_main", call_qemu_main,
   1937                        NULL, QEMU_THREAD_DETACHED);
   1938 
   1939     // Start the main event loop
   1940     COCOA_DEBUG("Main thread: entering OSX run loop\n");
   1941     [NSApp run];
   1942     COCOA_DEBUG("Main thread: left OSX run loop, which should never happen\n");
   1943 
   1944     abort();
   1945 }
   1946 
   1947 
   1948 
   1949 #pragma mark qemu
   1950 static void cocoa_update(DisplayChangeListener *dcl,
   1951                          int x, int y, int w, int h)
   1952 {
   1953     COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
   1954 
   1955     dispatch_async(dispatch_get_main_queue(), ^{
   1956         NSRect rect;
   1957         if ([cocoaView cdx] == 1.0) {
   1958             rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
   1959         } else {
   1960             rect = NSMakeRect(
   1961                 x * [cocoaView cdx],
   1962                 ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
   1963                 w * [cocoaView cdx],
   1964                 h * [cocoaView cdy]);
   1965         }
   1966         [cocoaView setNeedsDisplayInRect:rect];
   1967     });
   1968 }
   1969 
   1970 static void cocoa_switch(DisplayChangeListener *dcl,
   1971                          DisplaySurface *surface)
   1972 {
   1973     pixman_image_t *image = surface->image;
   1974 
   1975     COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
   1976 
   1977     // The DisplaySurface will be freed as soon as this callback returns.
   1978     // We take a reference to the underlying pixman image here so it does
   1979     // not disappear from under our feet; the switchSurface method will
   1980     // deref the old image when it is done with it.
   1981     pixman_image_ref(image);
   1982 
   1983     dispatch_async(dispatch_get_main_queue(), ^{
   1984         [cocoaView updateUIInfo];
   1985         [cocoaView switchSurface:image];
   1986     });
   1987 }
   1988 
   1989 static void cocoa_refresh(DisplayChangeListener *dcl)
   1990 {
   1991     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
   1992 
   1993     COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
   1994     graphic_hw_update(NULL);
   1995 
   1996     if (qemu_input_is_absolute()) {
   1997         dispatch_async(dispatch_get_main_queue(), ^{
   1998             if (![cocoaView isAbsoluteEnabled]) {
   1999                 if ([cocoaView isMouseGrabbed]) {
   2000                     [cocoaView ungrabMouse];
   2001                 }
   2002             }
   2003             [cocoaView setAbsoluteEnabled:YES];
   2004         });
   2005     }
   2006 
   2007     if (cbchangecount != [[NSPasteboard generalPasteboard] changeCount]) {
   2008         qemu_clipboard_info_unref(cbinfo);
   2009         cbinfo = qemu_clipboard_info_new(&cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD);
   2010         if ([[NSPasteboard generalPasteboard] availableTypeFromArray:@[NSPasteboardTypeString]]) {
   2011             cbinfo->types[QEMU_CLIPBOARD_TYPE_TEXT].available = true;
   2012         }
   2013         qemu_clipboard_update(cbinfo);
   2014         cbchangecount = [[NSPasteboard generalPasteboard] changeCount];
   2015         qemu_event_set(&cbevent);
   2016     }
   2017 
   2018     [pool release];
   2019 }
   2020 
   2021 static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
   2022 {
   2023     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
   2024 
   2025     COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
   2026 
   2027     qemu_main = cocoa_main;
   2028 
   2029     // Pull this console process up to being a fully-fledged graphical
   2030     // app with a menubar and Dock icon
   2031     ProcessSerialNumber psn = { 0, kCurrentProcess };
   2032     TransformProcessType(&psn, kProcessTransformToForegroundApplication);
   2033 
   2034     [QemuApplication sharedApplication];
   2035 
   2036     create_initial_menus();
   2037 
   2038     /*
   2039      * Create the menu entries which depend on QEMU state (for consoles
   2040      * and removeable devices). These make calls back into QEMU functions,
   2041      * which is OK because at this point we know that the second thread
   2042      * holds the iothread lock and is synchronously waiting for us to
   2043      * finish.
   2044      */
   2045     add_console_menu_entries();
   2046     addRemovableDevicesMenuItems();
   2047 
   2048     // Create an Application controller
   2049     QemuCocoaAppController *controller = [[QemuCocoaAppController alloc] init];
   2050     [NSApp setDelegate:controller];
   2051 
   2052     /* if fullscreen mode is to be used */
   2053     if (opts->has_full_screen && opts->full_screen) {
   2054         [NSApp activateIgnoringOtherApps: YES];
   2055         [controller toggleFullScreen: nil];
   2056     }
   2057     if (opts->u.cocoa.has_full_grab && opts->u.cocoa.full_grab) {
   2058         [controller setFullGrab: nil];
   2059     }
   2060 
   2061     if (opts->has_show_cursor && opts->show_cursor) {
   2062         cursor_hide = 0;
   2063     }
   2064     if (opts->u.cocoa.has_swap_opt_cmd) {
   2065         swap_opt_cmd = opts->u.cocoa.swap_opt_cmd;
   2066     }
   2067 
   2068     if (opts->u.cocoa.has_left_command_key && !opts->u.cocoa.left_command_key) {
   2069         left_command_key_enabled = 0;
   2070     }
   2071 
   2072     // register vga output callbacks
   2073     register_displaychangelistener(&dcl);
   2074 
   2075     qemu_event_init(&cbevent, false);
   2076     cbowner = [[QemuCocoaPasteboardTypeOwner alloc] init];
   2077     qemu_clipboard_peer_register(&cbpeer);
   2078 
   2079     [pool release];
   2080 }
   2081 
   2082 static QemuDisplay qemu_display_cocoa = {
   2083     .type       = DISPLAY_TYPE_COCOA,
   2084     .init       = cocoa_display_init,
   2085 };
   2086 
   2087 static void register_cocoa(void)
   2088 {
   2089     qemu_display_register(&qemu_display_cocoa);
   2090 }
   2091 
   2092 type_init(register_cocoa);