xref: /openbmc/qemu/ui/cocoa.m (revision dc293f60)
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 "ui/kbd-state.h"
34#include "sysemu/sysemu.h"
35#include "sysemu/runstate.h"
36#include "sysemu/cpu-throttle.h"
37#include "qapi/error.h"
38#include "qapi/qapi-commands-block.h"
39#include "qapi/qapi-commands-machine.h"
40#include "qapi/qapi-commands-misc.h"
41#include "sysemu/blockdev.h"
42#include "qemu-version.h"
43#include "qemu/cutils.h"
44#include "qemu/main-loop.h"
45#include "qemu/module.h"
46#include <Carbon/Carbon.h>
47#include "hw/core/cpu.h"
48
49#ifndef MAC_OS_X_VERSION_10_13
50#define MAC_OS_X_VERSION_10_13 101300
51#endif
52
53/* 10.14 deprecates NSOnState and NSOffState in favor of
54 * NSControlStateValueOn/Off, which were introduced in 10.13.
55 * Define for older versions
56 */
57#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
58#define NSControlStateValueOn NSOnState
59#define NSControlStateValueOff NSOffState
60#endif
61
62//#define DEBUG
63
64#ifdef DEBUG
65#define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
66#else
67#define COCOA_DEBUG(...)  ((void) 0)
68#endif
69
70#define cgrect(nsrect) (*(CGRect *)&(nsrect))
71
72typedef struct {
73    int width;
74    int height;
75} QEMUScreen;
76
77static void cocoa_update(DisplayChangeListener *dcl,
78                         int x, int y, int w, int h);
79
80static void cocoa_switch(DisplayChangeListener *dcl,
81                         DisplaySurface *surface);
82
83static void cocoa_refresh(DisplayChangeListener *dcl);
84
85static NSWindow *normalWindow, *about_window;
86static const DisplayChangeListenerOps dcl_ops = {
87    .dpy_name          = "cocoa",
88    .dpy_gfx_update = cocoa_update,
89    .dpy_gfx_switch = cocoa_switch,
90    .dpy_refresh = cocoa_refresh,
91};
92static DisplayChangeListener dcl = {
93    .ops = &dcl_ops,
94};
95static int last_buttons;
96static int cursor_hide = 1;
97
98static int gArgc;
99static char **gArgv;
100static bool stretch_video;
101static NSTextField *pauseLabel;
102static NSArray * supportedImageFileTypes;
103
104static QemuSemaphore display_init_sem;
105static QemuSemaphore app_started_sem;
106static bool allow_events;
107
108// Utility functions to run specified code block with iothread lock held
109typedef void (^CodeBlock)(void);
110typedef bool (^BoolCodeBlock)(void);
111
112static void with_iothread_lock(CodeBlock block)
113{
114    bool locked = qemu_mutex_iothread_locked();
115    if (!locked) {
116        qemu_mutex_lock_iothread();
117    }
118    block();
119    if (!locked) {
120        qemu_mutex_unlock_iothread();
121    }
122}
123
124static bool bool_with_iothread_lock(BoolCodeBlock block)
125{
126    bool locked = qemu_mutex_iothread_locked();
127    bool val;
128
129    if (!locked) {
130        qemu_mutex_lock_iothread();
131    }
132    val = block();
133    if (!locked) {
134        qemu_mutex_unlock_iothread();
135    }
136    return val;
137}
138
139// Mac to QKeyCode conversion
140static const int mac_to_qkeycode_map[] = {
141    [kVK_ANSI_A] = Q_KEY_CODE_A,
142    [kVK_ANSI_B] = Q_KEY_CODE_B,
143    [kVK_ANSI_C] = Q_KEY_CODE_C,
144    [kVK_ANSI_D] = Q_KEY_CODE_D,
145    [kVK_ANSI_E] = Q_KEY_CODE_E,
146    [kVK_ANSI_F] = Q_KEY_CODE_F,
147    [kVK_ANSI_G] = Q_KEY_CODE_G,
148    [kVK_ANSI_H] = Q_KEY_CODE_H,
149    [kVK_ANSI_I] = Q_KEY_CODE_I,
150    [kVK_ANSI_J] = Q_KEY_CODE_J,
151    [kVK_ANSI_K] = Q_KEY_CODE_K,
152    [kVK_ANSI_L] = Q_KEY_CODE_L,
153    [kVK_ANSI_M] = Q_KEY_CODE_M,
154    [kVK_ANSI_N] = Q_KEY_CODE_N,
155    [kVK_ANSI_O] = Q_KEY_CODE_O,
156    [kVK_ANSI_P] = Q_KEY_CODE_P,
157    [kVK_ANSI_Q] = Q_KEY_CODE_Q,
158    [kVK_ANSI_R] = Q_KEY_CODE_R,
159    [kVK_ANSI_S] = Q_KEY_CODE_S,
160    [kVK_ANSI_T] = Q_KEY_CODE_T,
161    [kVK_ANSI_U] = Q_KEY_CODE_U,
162    [kVK_ANSI_V] = Q_KEY_CODE_V,
163    [kVK_ANSI_W] = Q_KEY_CODE_W,
164    [kVK_ANSI_X] = Q_KEY_CODE_X,
165    [kVK_ANSI_Y] = Q_KEY_CODE_Y,
166    [kVK_ANSI_Z] = Q_KEY_CODE_Z,
167
168    [kVK_ANSI_0] = Q_KEY_CODE_0,
169    [kVK_ANSI_1] = Q_KEY_CODE_1,
170    [kVK_ANSI_2] = Q_KEY_CODE_2,
171    [kVK_ANSI_3] = Q_KEY_CODE_3,
172    [kVK_ANSI_4] = Q_KEY_CODE_4,
173    [kVK_ANSI_5] = Q_KEY_CODE_5,
174    [kVK_ANSI_6] = Q_KEY_CODE_6,
175    [kVK_ANSI_7] = Q_KEY_CODE_7,
176    [kVK_ANSI_8] = Q_KEY_CODE_8,
177    [kVK_ANSI_9] = Q_KEY_CODE_9,
178
179    [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
180    [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
181    [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
182    [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
183    [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
184    [kVK_Tab] = Q_KEY_CODE_TAB,
185    [kVK_Return] = Q_KEY_CODE_RET,
186    [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
187    [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
188    [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
189    [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
190    [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
191    [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
192    [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
193    [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
194    [kVK_Space] = Q_KEY_CODE_SPC,
195
196    [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
197    [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
198    [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
199    [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
200    [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
201    [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
202    [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
203    [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
204    [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
205    [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
206    [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
207    [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
208    [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
209    [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
210    [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
211    [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
212    [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
213    [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
214
215    [kVK_UpArrow] = Q_KEY_CODE_UP,
216    [kVK_DownArrow] = Q_KEY_CODE_DOWN,
217    [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
218    [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
219
220    [kVK_Help] = Q_KEY_CODE_INSERT,
221    [kVK_Home] = Q_KEY_CODE_HOME,
222    [kVK_PageUp] = Q_KEY_CODE_PGUP,
223    [kVK_PageDown] = Q_KEY_CODE_PGDN,
224    [kVK_End] = Q_KEY_CODE_END,
225    [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
226
227    [kVK_Escape] = Q_KEY_CODE_ESC,
228
229    /* The Power key can't be used directly because the operating system uses
230     * it. This key can be emulated by using it in place of another key such as
231     * F1. Don't forget to disable the real key binding.
232     */
233    /* [kVK_F1] = Q_KEY_CODE_POWER, */
234
235    [kVK_F1] = Q_KEY_CODE_F1,
236    [kVK_F2] = Q_KEY_CODE_F2,
237    [kVK_F3] = Q_KEY_CODE_F3,
238    [kVK_F4] = Q_KEY_CODE_F4,
239    [kVK_F5] = Q_KEY_CODE_F5,
240    [kVK_F6] = Q_KEY_CODE_F6,
241    [kVK_F7] = Q_KEY_CODE_F7,
242    [kVK_F8] = Q_KEY_CODE_F8,
243    [kVK_F9] = Q_KEY_CODE_F9,
244    [kVK_F10] = Q_KEY_CODE_F10,
245    [kVK_F11] = Q_KEY_CODE_F11,
246    [kVK_F12] = Q_KEY_CODE_F12,
247    [kVK_F13] = Q_KEY_CODE_PRINT,
248    [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
249    [kVK_F15] = Q_KEY_CODE_PAUSE,
250
251    // JIS keyboards only
252    [kVK_JIS_Yen] = Q_KEY_CODE_YEN,
253    [kVK_JIS_Underscore] = Q_KEY_CODE_RO,
254    [kVK_JIS_KeypadComma] = Q_KEY_CODE_KP_COMMA,
255    [kVK_JIS_Eisu] = Q_KEY_CODE_MUHENKAN,
256    [kVK_JIS_Kana] = Q_KEY_CODE_HENKAN,
257
258    /*
259     * The eject and volume keys can't be used here because they are handled at
260     * a lower level than what an Application can see.
261     */
262};
263
264static int cocoa_keycode_to_qemu(int keycode)
265{
266    if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
267        error_report("(cocoa) warning unknown keycode 0x%x", keycode);
268        return 0;
269    }
270    return mac_to_qkeycode_map[keycode];
271}
272
273/* Displays an alert dialog box with the specified message */
274static void QEMU_Alert(NSString *message)
275{
276    NSAlert *alert;
277    alert = [NSAlert new];
278    [alert setMessageText: message];
279    [alert runModal];
280}
281
282/* Handles any errors that happen with a device transaction */
283static void handleAnyDeviceErrors(Error * err)
284{
285    if (err) {
286        QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
287                                      encoding: NSASCIIStringEncoding]);
288        error_free(err);
289    }
290}
291
292/*
293 ------------------------------------------------------
294    QemuCocoaView
295 ------------------------------------------------------
296*/
297@interface QemuCocoaView : NSView
298{
299    QEMUScreen screen;
300    NSWindow *fullScreenWindow;
301    float cx,cy,cw,ch,cdx,cdy;
302    pixman_image_t *pixman_image;
303    QKbdState *kbd;
304    BOOL isMouseGrabbed;
305    BOOL isFullscreen;
306    BOOL isAbsoluteEnabled;
307}
308- (void) switchSurface:(pixman_image_t *)image;
309- (void) grabMouse;
310- (void) ungrabMouse;
311- (void) toggleFullScreen:(id)sender;
312- (void) handleMonitorInput:(NSEvent *)event;
313- (bool) handleEvent:(NSEvent *)event;
314- (bool) handleEventLocked:(NSEvent *)event;
315- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
316/* The state surrounding mouse grabbing is potentially confusing.
317 * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
318 *   pointing device an absolute-position one?"], but is only updated on
319 *   next refresh.
320 * isMouseGrabbed tracks whether GUI events are directed to the guest;
321 *   it controls whether special keys like Cmd get sent to the guest,
322 *   and whether we capture the mouse when in non-absolute mode.
323 */
324- (BOOL) isMouseGrabbed;
325- (BOOL) isAbsoluteEnabled;
326- (float) cdx;
327- (float) cdy;
328- (QEMUScreen) gscreen;
329- (void) raiseAllKeys;
330@end
331
332QemuCocoaView *cocoaView;
333
334@implementation QemuCocoaView
335- (id)initWithFrame:(NSRect)frameRect
336{
337    COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
338
339    self = [super initWithFrame:frameRect];
340    if (self) {
341
342        screen.width = frameRect.size.width;
343        screen.height = frameRect.size.height;
344        kbd = qkbd_state_init(dcl.con);
345
346    }
347    return self;
348}
349
350- (void) dealloc
351{
352    COCOA_DEBUG("QemuCocoaView: dealloc\n");
353
354    if (pixman_image) {
355        pixman_image_unref(pixman_image);
356    }
357
358    qkbd_state_free(kbd);
359    [super dealloc];
360}
361
362- (BOOL) isOpaque
363{
364    return YES;
365}
366
367- (BOOL) screenContainsPoint:(NSPoint) p
368{
369    return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
370}
371
372/* Get location of event and convert to virtual screen coordinate */
373- (CGPoint) screenLocationOfEvent:(NSEvent *)ev
374{
375    NSWindow *eventWindow = [ev window];
376    // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
377    CGRect r = CGRectZero;
378    r.origin = [ev locationInWindow];
379    if (!eventWindow) {
380        if (!isFullscreen) {
381            return [[self window] convertRectFromScreen:r].origin;
382        } else {
383            CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
384            CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
385            if (stretch_video) {
386                loc.x /= cdx;
387                loc.y /= cdy;
388            }
389            return loc;
390        }
391    } else if ([[self window] isEqual:eventWindow]) {
392        if (!isFullscreen) {
393            return r.origin;
394        } else {
395            CGPoint loc = [self convertPoint:r.origin fromView:nil];
396            if (stretch_video) {
397                loc.x /= cdx;
398                loc.y /= cdy;
399            }
400            return loc;
401        }
402    } else {
403        return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
404    }
405}
406
407- (void) hideCursor
408{
409    if (!cursor_hide) {
410        return;
411    }
412    [NSCursor hide];
413}
414
415- (void) unhideCursor
416{
417    if (!cursor_hide) {
418        return;
419    }
420    [NSCursor unhide];
421}
422
423- (void) drawRect:(NSRect) rect
424{
425    COCOA_DEBUG("QemuCocoaView: drawRect\n");
426
427    // get CoreGraphic context
428    CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
429
430    CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
431    CGContextSetShouldAntialias (viewContextRef, NO);
432
433    // draw screen bitmap directly to Core Graphics context
434    if (!pixman_image) {
435        // Draw request before any guest device has set up a framebuffer:
436        // just draw an opaque black rectangle
437        CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
438        CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
439    } else {
440        int w = pixman_image_get_width(pixman_image);
441        int h = pixman_image_get_height(pixman_image);
442        int bitsPerPixel = PIXMAN_FORMAT_BPP(pixman_image_get_format(pixman_image));
443        int stride = pixman_image_get_stride(pixman_image);
444        CGDataProviderRef dataProviderRef = CGDataProviderCreateWithData(
445            NULL,
446            pixman_image_get_data(pixman_image),
447            stride * h,
448            NULL
449        );
450        CGImageRef imageRef = CGImageCreate(
451            w, //width
452            h, //height
453            DIV_ROUND_UP(bitsPerPixel, 8) * 2, //bitsPerComponent
454            bitsPerPixel, //bitsPerPixel
455            stride, //bytesPerRow
456            CGColorSpaceCreateWithName(kCGColorSpaceSRGB), //colorspace
457            kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst, //bitmapInfo
458            dataProviderRef, //provider
459            NULL, //decode
460            0, //interpolate
461            kCGRenderingIntentDefault //intent
462        );
463        // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
464        const NSRect *rectList;
465        NSInteger rectCount;
466        int i;
467        CGImageRef clipImageRef;
468        CGRect clipRect;
469
470        [self getRectsBeingDrawn:&rectList count:&rectCount];
471        for (i = 0; i < rectCount; i++) {
472            clipRect.origin.x = rectList[i].origin.x / cdx;
473            clipRect.origin.y = (float)h - (rectList[i].origin.y + rectList[i].size.height) / cdy;
474            clipRect.size.width = rectList[i].size.width / cdx;
475            clipRect.size.height = rectList[i].size.height / cdy;
476            clipImageRef = CGImageCreateWithImageInRect(
477                                                        imageRef,
478                                                        clipRect
479                                                        );
480            CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
481            CGImageRelease (clipImageRef);
482        }
483        CGImageRelease (imageRef);
484        CGDataProviderRelease(dataProviderRef);
485    }
486}
487
488- (void) setContentDimensions
489{
490    COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
491
492    if (isFullscreen) {
493        cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
494        cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
495
496        /* stretches video, but keeps same aspect ratio */
497        if (stretch_video == true) {
498            /* use smallest stretch value - prevents clipping on sides */
499            if (MIN(cdx, cdy) == cdx) {
500                cdy = cdx;
501            } else {
502                cdx = cdy;
503            }
504        } else {  /* No stretching */
505            cdx = cdy = 1;
506        }
507        cw = screen.width * cdx;
508        ch = screen.height * cdy;
509        cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
510        cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
511    } else {
512        cx = 0;
513        cy = 0;
514        cw = screen.width;
515        ch = screen.height;
516        cdx = 1.0;
517        cdy = 1.0;
518    }
519}
520
521- (void) switchSurface:(pixman_image_t *)image
522{
523    COCOA_DEBUG("QemuCocoaView: switchSurface\n");
524
525    int w = pixman_image_get_width(image);
526    int h = pixman_image_get_height(image);
527    /* cdx == 0 means this is our very first surface, in which case we need
528     * to recalculate the content dimensions even if it happens to be the size
529     * of the initial empty window.
530     */
531    bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
532
533    int oldh = screen.height;
534    if (isResize) {
535        // Resize before we trigger the redraw, or we'll redraw at the wrong size
536        COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
537        screen.width = w;
538        screen.height = h;
539        [self setContentDimensions];
540        [self setFrame:NSMakeRect(cx, cy, cw, ch)];
541    }
542
543    // update screenBuffer
544    if (pixman_image) {
545        pixman_image_unref(pixman_image);
546    }
547
548    pixman_image = image;
549
550    // update windows
551    if (isFullscreen) {
552        [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
553        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
554    } else {
555        if (qemu_name)
556            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
557        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
558    }
559
560    if (isResize) {
561        [normalWindow center];
562    }
563}
564
565- (void) toggleFullScreen:(id)sender
566{
567    COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
568
569    if (isFullscreen) { // switch from fullscreen to desktop
570        isFullscreen = FALSE;
571        [self ungrabMouse];
572        [self setContentDimensions];
573        [fullScreenWindow close];
574        [normalWindow setContentView: self];
575        [normalWindow makeKeyAndOrderFront: self];
576        [NSMenu setMenuBarVisible:YES];
577    } else { // switch from desktop to fullscreen
578        isFullscreen = TRUE;
579        [normalWindow orderOut: nil]; /* Hide the window */
580        [self grabMouse];
581        [self setContentDimensions];
582        [NSMenu setMenuBarVisible:NO];
583        fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
584            styleMask:NSWindowStyleMaskBorderless
585            backing:NSBackingStoreBuffered
586            defer:NO];
587        [fullScreenWindow setAcceptsMouseMovedEvents: YES];
588        [fullScreenWindow setHasShadow:NO];
589        [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
590        [self setFrame:NSMakeRect(cx, cy, cw, ch)];
591        [[fullScreenWindow contentView] addSubview: self];
592        [fullScreenWindow makeKeyAndOrderFront:self];
593    }
594}
595
596- (void) toggleKey: (int)keycode {
597    qkbd_state_key_event(kbd, keycode, !qkbd_state_key_get(kbd, keycode));
598}
599
600// Does the work of sending input to the monitor
601- (void) handleMonitorInput:(NSEvent *)event
602{
603    int keysym = 0;
604    int control_key = 0;
605
606    // if the control key is down
607    if ([event modifierFlags] & NSEventModifierFlagControl) {
608        control_key = 1;
609    }
610
611    /* translates Macintosh keycodes to QEMU's keysym */
612
613    int without_control_translation[] = {
614        [0 ... 0xff] = 0,   // invalid key
615
616        [kVK_UpArrow]       = QEMU_KEY_UP,
617        [kVK_DownArrow]     = QEMU_KEY_DOWN,
618        [kVK_RightArrow]    = QEMU_KEY_RIGHT,
619        [kVK_LeftArrow]     = QEMU_KEY_LEFT,
620        [kVK_Home]          = QEMU_KEY_HOME,
621        [kVK_End]           = QEMU_KEY_END,
622        [kVK_PageUp]        = QEMU_KEY_PAGEUP,
623        [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
624        [kVK_ForwardDelete] = QEMU_KEY_DELETE,
625        [kVK_Delete]        = QEMU_KEY_BACKSPACE,
626    };
627
628    int with_control_translation[] = {
629        [0 ... 0xff] = 0,   // invalid key
630
631        [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
632        [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
633        [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
634        [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
635        [kVK_Home]          = QEMU_KEY_CTRL_HOME,
636        [kVK_End]           = QEMU_KEY_CTRL_END,
637        [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
638        [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
639    };
640
641    if (control_key != 0) { /* If the control key is being used */
642        if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
643            keysym = with_control_translation[[event keyCode]];
644        }
645    } else {
646        if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
647            keysym = without_control_translation[[event keyCode]];
648        }
649    }
650
651    // if not a key that needs translating
652    if (keysym == 0) {
653        NSString *ks = [event characters];
654        if ([ks length] > 0) {
655            keysym = [ks characterAtIndex:0];
656        }
657    }
658
659    if (keysym) {
660        kbd_put_keysym(keysym);
661    }
662}
663
664- (bool) handleEvent:(NSEvent *)event
665{
666    if(!allow_events) {
667        /*
668         * Just let OSX have all events that arrive before
669         * applicationDidFinishLaunching.
670         * This avoids a deadlock on the iothread lock, which cocoa_display_init()
671         * will not drop until after the app_started_sem is posted. (In theory
672         * there should not be any such events, but OSX Catalina now emits some.)
673         */
674        return false;
675    }
676    return bool_with_iothread_lock(^{
677        return [self handleEventLocked:event];
678    });
679}
680
681- (bool) handleEventLocked:(NSEvent *)event
682{
683    /* Return true if we handled the event, false if it should be given to OSX */
684    COCOA_DEBUG("QemuCocoaView: handleEvent\n");
685    int buttons = 0;
686    int keycode = 0;
687    bool mouse_event = false;
688    static bool switched_to_fullscreen = false;
689    // Location of event in virtual screen coordinates
690    NSPoint p = [self screenLocationOfEvent:event];
691    NSUInteger modifiers = [event modifierFlags];
692
693    // emulate caps lock keydown and keyup
694    if (!!(modifiers & NSEventModifierFlagCapsLock) !=
695        qkbd_state_modifier_get(kbd, QKBD_MOD_CAPSLOCK)) {
696        qkbd_state_key_event(kbd, Q_KEY_CODE_CAPS_LOCK, true);
697        qkbd_state_key_event(kbd, Q_KEY_CODE_CAPS_LOCK, false);
698    }
699
700    if (!(modifiers & NSEventModifierFlagShift)) {
701        qkbd_state_key_event(kbd, Q_KEY_CODE_SHIFT, false);
702        qkbd_state_key_event(kbd, Q_KEY_CODE_SHIFT_R, false);
703    }
704    if (!(modifiers & NSEventModifierFlagControl)) {
705        qkbd_state_key_event(kbd, Q_KEY_CODE_CTRL, false);
706        qkbd_state_key_event(kbd, Q_KEY_CODE_CTRL_R, false);
707    }
708    if (!(modifiers & NSEventModifierFlagOption)) {
709        qkbd_state_key_event(kbd, Q_KEY_CODE_ALT, false);
710        qkbd_state_key_event(kbd, Q_KEY_CODE_ALT_R, false);
711    }
712    if (!(modifiers & NSEventModifierFlagCommand)) {
713        qkbd_state_key_event(kbd, Q_KEY_CODE_META_L, false);
714        qkbd_state_key_event(kbd, Q_KEY_CODE_META_R, false);
715    }
716
717    switch ([event type]) {
718        case NSEventTypeFlagsChanged:
719            switch ([event keyCode]) {
720                case kVK_Shift:
721                    if (!!(modifiers & NSEventModifierFlagShift)) {
722                        [self toggleKey:Q_KEY_CODE_SHIFT];
723                    }
724                    break;
725
726                case kVK_RightShift:
727                    if (!!(modifiers & NSEventModifierFlagShift)) {
728                        [self toggleKey:Q_KEY_CODE_SHIFT_R];
729                    }
730                    break;
731
732                case kVK_Control:
733                    if (!!(modifiers & NSEventModifierFlagControl)) {
734                        [self toggleKey:Q_KEY_CODE_CTRL];
735                    }
736                    break;
737
738                case kVK_RightControl:
739                    if (!!(modifiers & NSEventModifierFlagControl)) {
740                        [self toggleKey:Q_KEY_CODE_CTRL_R];
741                    }
742                    break;
743
744                case kVK_Option:
745                    if (!!(modifiers & NSEventModifierFlagOption)) {
746                        [self toggleKey:Q_KEY_CODE_ALT];
747                    }
748                    break;
749
750                case kVK_RightOption:
751                    if (!!(modifiers & NSEventModifierFlagOption)) {
752                        [self toggleKey:Q_KEY_CODE_ALT_R];
753                    }
754                    break;
755
756                /* Don't pass command key changes to guest unless mouse is grabbed */
757                case kVK_Command:
758                    if (isMouseGrabbed &&
759                        !!(modifiers & NSEventModifierFlagCommand)) {
760                        [self toggleKey:Q_KEY_CODE_META_L];
761                    }
762                    break;
763
764                case kVK_RightCommand:
765                    if (isMouseGrabbed &&
766                        !!(modifiers & NSEventModifierFlagCommand)) {
767                        [self toggleKey:Q_KEY_CODE_META_R];
768                    }
769                    break;
770            }
771            break;
772        case NSEventTypeKeyDown:
773            keycode = cocoa_keycode_to_qemu([event keyCode]);
774
775            // forward command key combos to the host UI unless the mouse is grabbed
776            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
777                /*
778                 * Prevent the command key from being stuck down in the guest
779                 * when using Command-F to switch to full screen mode.
780                 */
781                if (keycode == Q_KEY_CODE_F) {
782                    switched_to_fullscreen = true;
783                }
784                return false;
785            }
786
787            // default
788
789            // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
790            if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
791                NSString *keychar = [event charactersIgnoringModifiers];
792                if ([keychar length] == 1) {
793                    char key = [keychar characterAtIndex:0];
794                    switch (key) {
795
796                        // enable graphic console
797                        case '1' ... '9':
798                            console_select(key - '0' - 1); /* ascii math */
799                            return true;
800
801                        // release the mouse grab
802                        case 'g':
803                            [self ungrabMouse];
804                            return true;
805                    }
806                }
807            }
808
809            if (qemu_console_is_graphic(NULL)) {
810                qkbd_state_key_event(kbd, keycode, true);
811            } else {
812                [self handleMonitorInput: event];
813            }
814            break;
815        case NSEventTypeKeyUp:
816            keycode = cocoa_keycode_to_qemu([event keyCode]);
817
818            // don't pass the guest a spurious key-up if we treated this
819            // command-key combo as a host UI action
820            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
821                return true;
822            }
823
824            if (qemu_console_is_graphic(NULL)) {
825                qkbd_state_key_event(kbd, keycode, false);
826            }
827            break;
828        case NSEventTypeMouseMoved:
829            if (isAbsoluteEnabled) {
830                // Cursor re-entered into a window might generate events bound to screen coordinates
831                // and `nil` window property, and in full screen mode, current window might not be
832                // key window, where event location alone should suffice.
833                if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
834                    if (isMouseGrabbed) {
835                        [self ungrabMouse];
836                    }
837                } else {
838                    if (!isMouseGrabbed) {
839                        [self grabMouse];
840                    }
841                }
842            }
843            mouse_event = true;
844            break;
845        case NSEventTypeLeftMouseDown:
846            buttons |= MOUSE_EVENT_LBUTTON;
847            mouse_event = true;
848            break;
849        case NSEventTypeRightMouseDown:
850            buttons |= MOUSE_EVENT_RBUTTON;
851            mouse_event = true;
852            break;
853        case NSEventTypeOtherMouseDown:
854            buttons |= MOUSE_EVENT_MBUTTON;
855            mouse_event = true;
856            break;
857        case NSEventTypeLeftMouseDragged:
858            buttons |= MOUSE_EVENT_LBUTTON;
859            mouse_event = true;
860            break;
861        case NSEventTypeRightMouseDragged:
862            buttons |= MOUSE_EVENT_RBUTTON;
863            mouse_event = true;
864            break;
865        case NSEventTypeOtherMouseDragged:
866            buttons |= MOUSE_EVENT_MBUTTON;
867            mouse_event = true;
868            break;
869        case NSEventTypeLeftMouseUp:
870            mouse_event = true;
871            if (!isMouseGrabbed && [self screenContainsPoint:p]) {
872                /*
873                 * In fullscreen mode, the window of cocoaView may not be the
874                 * key window, therefore the position relative to the virtual
875                 * screen alone will be sufficient.
876                 */
877                if(isFullscreen || [[self window] isKeyWindow]) {
878                    [self grabMouse];
879                }
880            }
881            break;
882        case NSEventTypeRightMouseUp:
883            mouse_event = true;
884            break;
885        case NSEventTypeOtherMouseUp:
886            mouse_event = true;
887            break;
888        case NSEventTypeScrollWheel:
889            /*
890             * Send wheel events to the guest regardless of window focus.
891             * This is in-line with standard Mac OS X UI behaviour.
892             */
893
894            /*
895             * When deltaY is zero, it means that this scrolling event was
896             * either horizontal, or so fine that it only appears in
897             * scrollingDeltaY. So we drop the event.
898             */
899            if ([event deltaY] != 0) {
900            /* Determine if this is a scroll up or scroll down event */
901                buttons = ([event deltaY] > 0) ?
902                    INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
903                qemu_input_queue_btn(dcl.con, buttons, true);
904                qemu_input_event_sync();
905                qemu_input_queue_btn(dcl.con, buttons, false);
906                qemu_input_event_sync();
907            }
908            /*
909             * Since deltaY also reports scroll wheel events we prevent mouse
910             * movement code from executing.
911             */
912            mouse_event = false;
913            break;
914        default:
915            return false;
916    }
917
918    if (mouse_event) {
919        /* Don't send button events to the guest unless we've got a
920         * mouse grab or window focus. If we have neither then this event
921         * is the user clicking on the background window to activate and
922         * bring us to the front, which will be done by the sendEvent
923         * call below. We definitely don't want to pass that click through
924         * to the guest.
925         */
926        if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
927            (last_buttons != buttons)) {
928            static uint32_t bmap[INPUT_BUTTON__MAX] = {
929                [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
930                [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
931                [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
932            };
933            qemu_input_update_buttons(dcl.con, bmap, last_buttons, buttons);
934            last_buttons = buttons;
935        }
936        if (isMouseGrabbed) {
937            if (isAbsoluteEnabled) {
938                /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
939                 * The check on screenContainsPoint is to avoid sending out of range values for
940                 * clicks in the titlebar.
941                 */
942                if ([self screenContainsPoint:p]) {
943                    qemu_input_queue_abs(dcl.con, INPUT_AXIS_X, p.x, 0, screen.width);
944                    qemu_input_queue_abs(dcl.con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
945                }
946            } else {
947                qemu_input_queue_rel(dcl.con, INPUT_AXIS_X, (int)[event deltaX]);
948                qemu_input_queue_rel(dcl.con, INPUT_AXIS_Y, (int)[event deltaY]);
949            }
950        } else {
951            return false;
952        }
953        qemu_input_event_sync();
954    }
955    return true;
956}
957
958- (void) grabMouse
959{
960    COCOA_DEBUG("QemuCocoaView: grabMouse\n");
961
962    if (!isFullscreen) {
963        if (qemu_name)
964            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
965        else
966            [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
967    }
968    [self hideCursor];
969    CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled);
970    isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
971}
972
973- (void) ungrabMouse
974{
975    COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
976
977    if (!isFullscreen) {
978        if (qemu_name)
979            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
980        else
981            [normalWindow setTitle:@"QEMU"];
982    }
983    [self unhideCursor];
984    CGAssociateMouseAndMouseCursorPosition(TRUE);
985    isMouseGrabbed = FALSE;
986}
987
988- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {
989    isAbsoluteEnabled = tIsAbsoluteEnabled;
990    if (isMouseGrabbed) {
991        CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled);
992    }
993}
994- (BOOL) isMouseGrabbed {return isMouseGrabbed;}
995- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
996- (float) cdx {return cdx;}
997- (float) cdy {return cdy;}
998- (QEMUScreen) gscreen {return screen;}
999
1000/*
1001 * Makes the target think all down keys are being released.
1002 * This prevents a stuck key problem, since we will not see
1003 * key up events for those keys after we have lost focus.
1004 */
1005- (void) raiseAllKeys
1006{
1007    with_iothread_lock(^{
1008        qkbd_state_lift_all_keys(kbd);
1009    });
1010}
1011@end
1012
1013
1014
1015/*
1016 ------------------------------------------------------
1017    QemuCocoaAppController
1018 ------------------------------------------------------
1019*/
1020@interface QemuCocoaAppController : NSObject
1021                                       <NSWindowDelegate, NSApplicationDelegate>
1022{
1023}
1024- (void)doToggleFullScreen:(id)sender;
1025- (void)toggleFullScreen:(id)sender;
1026- (void)showQEMUDoc:(id)sender;
1027- (void)zoomToFit:(id) sender;
1028- (void)displayConsole:(id)sender;
1029- (void)pauseQEMU:(id)sender;
1030- (void)resumeQEMU:(id)sender;
1031- (void)displayPause;
1032- (void)removePause;
1033- (void)restartQEMU:(id)sender;
1034- (void)powerDownQEMU:(id)sender;
1035- (void)ejectDeviceMedia:(id)sender;
1036- (void)changeDeviceMedia:(id)sender;
1037- (BOOL)verifyQuit;
1038- (void)openDocumentation:(NSString *)filename;
1039- (IBAction) do_about_menu_item: (id) sender;
1040- (void)make_about_window;
1041- (void)adjustSpeed:(id)sender;
1042@end
1043
1044@implementation QemuCocoaAppController
1045- (id) init
1046{
1047    COCOA_DEBUG("QemuCocoaAppController: init\n");
1048
1049    self = [super init];
1050    if (self) {
1051
1052        // create a view and add it to the window
1053        cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
1054        if(!cocoaView) {
1055            error_report("(cocoa) can't create a view");
1056            exit(1);
1057        }
1058
1059        // create a window
1060        normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
1061            styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
1062            backing:NSBackingStoreBuffered defer:NO];
1063        if(!normalWindow) {
1064            error_report("(cocoa) can't create window");
1065            exit(1);
1066        }
1067        [normalWindow setAcceptsMouseMovedEvents:YES];
1068        [normalWindow setTitle:@"QEMU"];
1069        [normalWindow setContentView:cocoaView];
1070        [normalWindow makeKeyAndOrderFront:self];
1071        [normalWindow center];
1072        [normalWindow setDelegate: self];
1073        stretch_video = false;
1074
1075        /* Used for displaying pause on the screen */
1076        pauseLabel = [NSTextField new];
1077        [pauseLabel setBezeled:YES];
1078        [pauseLabel setDrawsBackground:YES];
1079        [pauseLabel setBackgroundColor: [NSColor whiteColor]];
1080        [pauseLabel setEditable:NO];
1081        [pauseLabel setSelectable:NO];
1082        [pauseLabel setStringValue: @"Paused"];
1083        [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
1084        [pauseLabel setTextColor: [NSColor blackColor]];
1085        [pauseLabel sizeToFit];
1086
1087        // set the supported image file types that can be opened
1088        supportedImageFileTypes = [NSArray arrayWithObjects: @"img", @"iso", @"dmg",
1089                                 @"qcow", @"qcow2", @"cloop", @"vmdk", @"cdr",
1090                                  @"toast", nil];
1091        [self make_about_window];
1092    }
1093    return self;
1094}
1095
1096- (void) dealloc
1097{
1098    COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
1099
1100    if (cocoaView)
1101        [cocoaView release];
1102    [super dealloc];
1103}
1104
1105- (void)applicationDidFinishLaunching: (NSNotification *) note
1106{
1107    COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
1108    allow_events = true;
1109    /* Tell cocoa_display_init to proceed */
1110    qemu_sem_post(&app_started_sem);
1111}
1112
1113- (void)applicationWillTerminate:(NSNotification *)aNotification
1114{
1115    COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
1116
1117    qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
1118    exit(0);
1119}
1120
1121- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
1122{
1123    return YES;
1124}
1125
1126- (NSApplicationTerminateReply)applicationShouldTerminate:
1127                                                         (NSApplication *)sender
1128{
1129    COCOA_DEBUG("QemuCocoaAppController: applicationShouldTerminate\n");
1130    return [self verifyQuit];
1131}
1132
1133/* Called when the user clicks on a window's close button */
1134- (BOOL)windowShouldClose:(id)sender
1135{
1136    COCOA_DEBUG("QemuCocoaAppController: windowShouldClose\n");
1137    [NSApp terminate: sender];
1138    /* If the user allows the application to quit then the call to
1139     * NSApp terminate will never return. If we get here then the user
1140     * cancelled the quit, so we should return NO to not permit the
1141     * closing of this window.
1142     */
1143    return NO;
1144}
1145
1146/* Called when QEMU goes into the background */
1147- (void) applicationWillResignActive: (NSNotification *)aNotification
1148{
1149    COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
1150    [cocoaView raiseAllKeys];
1151}
1152
1153/* We abstract the method called by the Enter Fullscreen menu item
1154 * because Mac OS 10.7 and higher disables it. This is because of the
1155 * menu item's old selector's name toggleFullScreen:
1156 */
1157- (void) doToggleFullScreen:(id)sender
1158{
1159    [self toggleFullScreen:(id)sender];
1160}
1161
1162- (void)toggleFullScreen:(id)sender
1163{
1164    COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
1165
1166    [cocoaView toggleFullScreen:sender];
1167}
1168
1169/* Tries to find then open the specified filename */
1170- (void) openDocumentation: (NSString *) filename
1171{
1172    /* Where to look for local files */
1173    NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", @"docs/"};
1174    NSString *full_file_path;
1175    NSURL *full_file_url;
1176
1177    /* iterate thru the possible paths until the file is found */
1178    int index;
1179    for (index = 0; index < ARRAY_SIZE(path_array); index++) {
1180        full_file_path = [[NSBundle mainBundle] executablePath];
1181        full_file_path = [full_file_path stringByDeletingLastPathComponent];
1182        full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
1183                          path_array[index], filename];
1184        full_file_url = [NSURL fileURLWithPath: full_file_path
1185                                   isDirectory: false];
1186        if ([[NSWorkspace sharedWorkspace] openURL: full_file_url] == YES) {
1187            return;
1188        }
1189    }
1190
1191    /* If none of the paths opened a file */
1192    NSBeep();
1193    QEMU_Alert(@"Failed to open file");
1194}
1195
1196- (void)showQEMUDoc:(id)sender
1197{
1198    COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
1199
1200    [self openDocumentation: @"index.html"];
1201}
1202
1203/* Stretches video to fit host monitor size */
1204- (void)zoomToFit:(id) sender
1205{
1206    stretch_video = !stretch_video;
1207    if (stretch_video == true) {
1208        [sender setState: NSControlStateValueOn];
1209    } else {
1210        [sender setState: NSControlStateValueOff];
1211    }
1212}
1213
1214/* Displays the console on the screen */
1215- (void)displayConsole:(id)sender
1216{
1217    console_select([sender tag]);
1218}
1219
1220/* Pause the guest */
1221- (void)pauseQEMU:(id)sender
1222{
1223    with_iothread_lock(^{
1224        qmp_stop(NULL);
1225    });
1226    [sender setEnabled: NO];
1227    [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
1228    [self displayPause];
1229}
1230
1231/* Resume running the guest operating system */
1232- (void)resumeQEMU:(id) sender
1233{
1234    with_iothread_lock(^{
1235        qmp_cont(NULL);
1236    });
1237    [sender setEnabled: NO];
1238    [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
1239    [self removePause];
1240}
1241
1242/* Displays the word pause on the screen */
1243- (void)displayPause
1244{
1245    /* Coordinates have to be calculated each time because the window can change its size */
1246    int xCoord, yCoord, width, height;
1247    xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
1248    yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
1249    width = [pauseLabel frame].size.width;
1250    height = [pauseLabel frame].size.height;
1251    [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
1252    [cocoaView addSubview: pauseLabel];
1253}
1254
1255/* Removes the word pause from the screen */
1256- (void)removePause
1257{
1258    [pauseLabel removeFromSuperview];
1259}
1260
1261/* Restarts QEMU */
1262- (void)restartQEMU:(id)sender
1263{
1264    with_iothread_lock(^{
1265        qmp_system_reset(NULL);
1266    });
1267}
1268
1269/* Powers down QEMU */
1270- (void)powerDownQEMU:(id)sender
1271{
1272    with_iothread_lock(^{
1273        qmp_system_powerdown(NULL);
1274    });
1275}
1276
1277/* Ejects the media.
1278 * Uses sender's tag to figure out the device to eject.
1279 */
1280- (void)ejectDeviceMedia:(id)sender
1281{
1282    NSString * drive;
1283    drive = [sender representedObject];
1284    if(drive == nil) {
1285        NSBeep();
1286        QEMU_Alert(@"Failed to find drive to eject!");
1287        return;
1288    }
1289
1290    __block Error *err = NULL;
1291    with_iothread_lock(^{
1292        qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
1293                  false, NULL, false, false, &err);
1294    });
1295    handleAnyDeviceErrors(err);
1296}
1297
1298/* Displays a dialog box asking the user to select an image file to load.
1299 * Uses sender's represented object value to figure out which drive to use.
1300 */
1301- (void)changeDeviceMedia:(id)sender
1302{
1303    /* Find the drive name */
1304    NSString * drive;
1305    drive = [sender representedObject];
1306    if(drive == nil) {
1307        NSBeep();
1308        QEMU_Alert(@"Could not find drive!");
1309        return;
1310    }
1311
1312    /* Display the file open dialog */
1313    NSOpenPanel * openPanel;
1314    openPanel = [NSOpenPanel openPanel];
1315    [openPanel setCanChooseFiles: YES];
1316    [openPanel setAllowsMultipleSelection: NO];
1317    [openPanel setAllowedFileTypes: supportedImageFileTypes];
1318    if([openPanel runModal] == NSModalResponseOK) {
1319        NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
1320        if(file == nil) {
1321            NSBeep();
1322            QEMU_Alert(@"Failed to convert URL to file path!");
1323            return;
1324        }
1325
1326        __block Error *err = NULL;
1327        with_iothread_lock(^{
1328            qmp_blockdev_change_medium(true,
1329                                       [drive cStringUsingEncoding:
1330                                                  NSASCIIStringEncoding],
1331                                       false, NULL,
1332                                       [file cStringUsingEncoding:
1333                                                 NSASCIIStringEncoding],
1334                                       true, "raw",
1335                                       false, 0,
1336                                       &err);
1337        });
1338        handleAnyDeviceErrors(err);
1339    }
1340}
1341
1342/* Verifies if the user really wants to quit */
1343- (BOOL)verifyQuit
1344{
1345    NSAlert *alert = [NSAlert new];
1346    [alert autorelease];
1347    [alert setMessageText: @"Are you sure you want to quit QEMU?"];
1348    [alert addButtonWithTitle: @"Cancel"];
1349    [alert addButtonWithTitle: @"Quit"];
1350    if([alert runModal] == NSAlertSecondButtonReturn) {
1351        return YES;
1352    } else {
1353        return NO;
1354    }
1355}
1356
1357/* The action method for the About menu item */
1358- (IBAction) do_about_menu_item: (id) sender
1359{
1360    [about_window makeKeyAndOrderFront: nil];
1361}
1362
1363/* Create and display the about dialog */
1364- (void)make_about_window
1365{
1366    /* Make the window */
1367    int x = 0, y = 0, about_width = 400, about_height = 200;
1368    NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
1369    about_window = [[NSWindow alloc] initWithContentRect:window_rect
1370                    styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
1371                    NSWindowStyleMaskMiniaturizable
1372                    backing:NSBackingStoreBuffered
1373                    defer:NO];
1374    [about_window setTitle: @"About"];
1375    [about_window setReleasedWhenClosed: NO];
1376    [about_window center];
1377    NSView *superView = [about_window contentView];
1378
1379    /* Create the dimensions of the picture */
1380    int picture_width = 80, picture_height = 80;
1381    x = (about_width - picture_width)/2;
1382    y = about_height - picture_height - 10;
1383    NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
1384
1385    /* Make the picture of QEMU */
1386    NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
1387                                                     picture_rect];
1388    char *qemu_image_path_c = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/512x512/apps/qemu.png");
1389    NSString *qemu_image_path = [NSString stringWithUTF8String:qemu_image_path_c];
1390    g_free(qemu_image_path_c);
1391    NSImage *qemu_image = [[NSImage alloc] initWithContentsOfFile:qemu_image_path];
1392    [picture_view setImage: qemu_image];
1393    [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
1394    [superView addSubview: picture_view];
1395
1396    /* Make the name label */
1397    NSBundle *bundle = [NSBundle mainBundle];
1398    if (bundle) {
1399        x = 0;
1400        y = y - 25;
1401        int name_width = about_width, name_height = 20;
1402        NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
1403        NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
1404        [name_label setEditable: NO];
1405        [name_label setBezeled: NO];
1406        [name_label setDrawsBackground: NO];
1407        [name_label setAlignment: NSTextAlignmentCenter];
1408        NSString *qemu_name = [[bundle executablePath] lastPathComponent];
1409        [name_label setStringValue: qemu_name];
1410        [superView addSubview: name_label];
1411    }
1412
1413    /* Set the version label's attributes */
1414    x = 0;
1415    y = 50;
1416    int version_width = about_width, version_height = 20;
1417    NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
1418    NSTextField *version_label = [[NSTextField alloc] initWithFrame:
1419                                                      version_rect];
1420    [version_label setEditable: NO];
1421    [version_label setBezeled: NO];
1422    [version_label setAlignment: NSTextAlignmentCenter];
1423    [version_label setDrawsBackground: NO];
1424
1425    /* Create the version string*/
1426    NSString *version_string;
1427    version_string = [[NSString alloc] initWithFormat:
1428    @"QEMU emulator version %s", QEMU_FULL_VERSION];
1429    [version_label setStringValue: version_string];
1430    [superView addSubview: version_label];
1431
1432    /* Make copyright label */
1433    x = 0;
1434    y = 35;
1435    int copyright_width = about_width, copyright_height = 20;
1436    NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
1437    NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
1438                                                        copyright_rect];
1439    [copyright_label setEditable: NO];
1440    [copyright_label setBezeled: NO];
1441    [copyright_label setDrawsBackground: NO];
1442    [copyright_label setAlignment: NSTextAlignmentCenter];
1443    [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
1444                                     QEMU_COPYRIGHT]];
1445    [superView addSubview: copyright_label];
1446}
1447
1448/* Used by the Speed menu items */
1449- (void)adjustSpeed:(id)sender
1450{
1451    int throttle_pct; /* throttle percentage */
1452    NSMenu *menu;
1453
1454    menu = [sender menu];
1455    if (menu != nil)
1456    {
1457        /* Unselect the currently selected item */
1458        for (NSMenuItem *item in [menu itemArray]) {
1459            if (item.state == NSControlStateValueOn) {
1460                [item setState: NSControlStateValueOff];
1461                break;
1462            }
1463        }
1464    }
1465
1466    // check the menu item
1467    [sender setState: NSControlStateValueOn];
1468
1469    // get the throttle percentage
1470    throttle_pct = [sender tag];
1471
1472    with_iothread_lock(^{
1473        cpu_throttle_set(throttle_pct);
1474    });
1475    COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
1476}
1477
1478@end
1479
1480@interface QemuApplication : NSApplication
1481@end
1482
1483@implementation QemuApplication
1484- (void)sendEvent:(NSEvent *)event
1485{
1486    COCOA_DEBUG("QemuApplication: sendEvent\n");
1487    if (![cocoaView handleEvent:event]) {
1488        [super sendEvent: event];
1489    }
1490}
1491@end
1492
1493static void create_initial_menus(void)
1494{
1495    // Add menus
1496    NSMenu      *menu;
1497    NSMenuItem  *menuItem;
1498
1499    [NSApp setMainMenu:[[NSMenu alloc] init]];
1500
1501    // Application menu
1502    menu = [[NSMenu alloc] initWithTitle:@""];
1503    [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
1504    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1505    [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1506    menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1507    [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
1508    [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1509    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1510    [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1511    menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1512    [menuItem setSubmenu:menu];
1513    [[NSApp mainMenu] addItem:menuItem];
1514    [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1515
1516    // Machine menu
1517    menu = [[NSMenu alloc] initWithTitle: @"Machine"];
1518    [menu setAutoenablesItems: NO];
1519    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
1520    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
1521    [menu addItem: menuItem];
1522    [menuItem setEnabled: NO];
1523    [menu addItem: [NSMenuItem separatorItem]];
1524    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
1525    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
1526    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
1527    [menuItem setSubmenu:menu];
1528    [[NSApp mainMenu] addItem:menuItem];
1529
1530    // View menu
1531    menu = [[NSMenu alloc] initWithTitle:@"View"];
1532    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1533    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1534    menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1535    [menuItem setSubmenu:menu];
1536    [[NSApp mainMenu] addItem:menuItem];
1537
1538    // Speed menu
1539    menu = [[NSMenu alloc] initWithTitle:@"Speed"];
1540
1541    // Add the rest of the Speed menu items
1542    int p, percentage, throttle_pct;
1543    for (p = 10; p >= 0; p--)
1544    {
1545        percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
1546
1547        menuItem = [[[NSMenuItem alloc]
1548                   initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
1549
1550        if (percentage == 100) {
1551            [menuItem setState: NSControlStateValueOn];
1552        }
1553
1554        /* Calculate the throttle percentage */
1555        throttle_pct = -1 * percentage + 100;
1556
1557        [menuItem setTag: throttle_pct];
1558        [menu addItem: menuItem];
1559    }
1560    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
1561    [menuItem setSubmenu:menu];
1562    [[NSApp mainMenu] addItem:menuItem];
1563
1564    // Window menu
1565    menu = [[NSMenu alloc] initWithTitle:@"Window"];
1566    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1567    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1568    [menuItem setSubmenu:menu];
1569    [[NSApp mainMenu] addItem:menuItem];
1570    [NSApp setWindowsMenu:menu];
1571
1572    // Help menu
1573    menu = [[NSMenu alloc] initWithTitle:@"Help"];
1574    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1575    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1576    [menuItem setSubmenu:menu];
1577    [[NSApp mainMenu] addItem:menuItem];
1578}
1579
1580/* Returns a name for a given console */
1581static NSString * getConsoleName(QemuConsole * console)
1582{
1583    return [NSString stringWithFormat: @"%s", qemu_console_get_label(console)];
1584}
1585
1586/* Add an entry to the View menu for each console */
1587static void add_console_menu_entries(void)
1588{
1589    NSMenu *menu;
1590    NSMenuItem *menuItem;
1591    int index = 0;
1592
1593    menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
1594
1595    [menu addItem:[NSMenuItem separatorItem]];
1596
1597    while (qemu_console_lookup_by_index(index) != NULL) {
1598        menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
1599                                               action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
1600        [menuItem setTag: index];
1601        [menu addItem: menuItem];
1602        index++;
1603    }
1604}
1605
1606/* Make menu items for all removable devices.
1607 * Each device is given an 'Eject' and 'Change' menu item.
1608 */
1609static void addRemovableDevicesMenuItems(void)
1610{
1611    NSMenu *menu;
1612    NSMenuItem *menuItem;
1613    BlockInfoList *currentDevice, *pointerToFree;
1614    NSString *deviceName;
1615
1616    currentDevice = qmp_query_block(NULL);
1617    pointerToFree = currentDevice;
1618    if(currentDevice == NULL) {
1619        NSBeep();
1620        QEMU_Alert(@"Failed to query for block devices!");
1621        return;
1622    }
1623
1624    menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
1625
1626    // Add a separator between related groups of menu items
1627    [menu addItem:[NSMenuItem separatorItem]];
1628
1629    // Set the attributes to the "Removable Media" menu item
1630    NSString *titleString = @"Removable Media";
1631    NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
1632    NSColor *newColor = [NSColor blackColor];
1633    NSFontManager *fontManager = [NSFontManager sharedFontManager];
1634    NSFont *font = [fontManager fontWithFamily:@"Helvetica"
1635                                          traits:NSBoldFontMask|NSItalicFontMask
1636                                          weight:0
1637                                            size:14];
1638    [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
1639    [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
1640    [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
1641
1642    // Add the "Removable Media" menu item
1643    menuItem = [NSMenuItem new];
1644    [menuItem setAttributedTitle: attString];
1645    [menuItem setEnabled: NO];
1646    [menu addItem: menuItem];
1647
1648    /* Loop through all the block devices in the emulator */
1649    while (currentDevice) {
1650        deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
1651
1652        if(currentDevice->value->removable) {
1653            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
1654                                                  action: @selector(changeDeviceMedia:)
1655                                           keyEquivalent: @""];
1656            [menu addItem: menuItem];
1657            [menuItem setRepresentedObject: deviceName];
1658            [menuItem autorelease];
1659
1660            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
1661                                                  action: @selector(ejectDeviceMedia:)
1662                                           keyEquivalent: @""];
1663            [menu addItem: menuItem];
1664            [menuItem setRepresentedObject: deviceName];
1665            [menuItem autorelease];
1666        }
1667        currentDevice = currentDevice->next;
1668    }
1669    qapi_free_BlockInfoList(pointerToFree);
1670}
1671
1672/*
1673 * The startup process for the OSX/Cocoa UI is complicated, because
1674 * OSX insists that the UI runs on the initial main thread, and so we
1675 * need to start a second thread which runs the vl.c qemu_main():
1676 *
1677 * Initial thread:                    2nd thread:
1678 * in main():
1679 *  create qemu-main thread
1680 *  wait on display_init semaphore
1681 *                                    call qemu_main()
1682 *                                    ...
1683 *                                    in cocoa_display_init():
1684 *                                     post the display_init semaphore
1685 *                                     wait on app_started semaphore
1686 *  create application, menus, etc
1687 *  enter OSX run loop
1688 * in applicationDidFinishLaunching:
1689 *  post app_started semaphore
1690 *                                     tell main thread to fullscreen if needed
1691 *                                    [...]
1692 *                                    run qemu main-loop
1693 *
1694 * We do this in two stages so that we don't do the creation of the
1695 * GUI application menus and so on for command line options like --help
1696 * where we want to just print text to stdout and exit immediately.
1697 */
1698
1699static void *call_qemu_main(void *opaque)
1700{
1701    int status;
1702
1703    COCOA_DEBUG("Second thread: calling qemu_main()\n");
1704    status = qemu_main(gArgc, gArgv, *_NSGetEnviron());
1705    COCOA_DEBUG("Second thread: qemu_main() returned, exiting\n");
1706    exit(status);
1707}
1708
1709int main (int argc, const char * argv[]) {
1710    QemuThread thread;
1711
1712    COCOA_DEBUG("Entered main()\n");
1713    gArgc = argc;
1714    gArgv = (char **)argv;
1715
1716    qemu_sem_init(&display_init_sem, 0);
1717    qemu_sem_init(&app_started_sem, 0);
1718
1719    qemu_thread_create(&thread, "qemu_main", call_qemu_main,
1720                       NULL, QEMU_THREAD_DETACHED);
1721
1722    COCOA_DEBUG("Main thread: waiting for display_init_sem\n");
1723    qemu_sem_wait(&display_init_sem);
1724    COCOA_DEBUG("Main thread: initializing app\n");
1725
1726    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1727
1728    // Pull this console process up to being a fully-fledged graphical
1729    // app with a menubar and Dock icon
1730    ProcessSerialNumber psn = { 0, kCurrentProcess };
1731    TransformProcessType(&psn, kProcessTransformToForegroundApplication);
1732
1733    [QemuApplication sharedApplication];
1734
1735    create_initial_menus();
1736
1737    /*
1738     * Create the menu entries which depend on QEMU state (for consoles
1739     * and removeable devices). These make calls back into QEMU functions,
1740     * which is OK because at this point we know that the second thread
1741     * holds the iothread lock and is synchronously waiting for us to
1742     * finish.
1743     */
1744    add_console_menu_entries();
1745    addRemovableDevicesMenuItems();
1746
1747    // Create an Application controller
1748    QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1749    [NSApp setDelegate:appController];
1750
1751    // Start the main event loop
1752    COCOA_DEBUG("Main thread: entering OSX run loop\n");
1753    [NSApp run];
1754    COCOA_DEBUG("Main thread: left OSX run loop, exiting\n");
1755
1756    [appController release];
1757    [pool release];
1758
1759    return 0;
1760}
1761
1762
1763
1764#pragma mark qemu
1765static void cocoa_update(DisplayChangeListener *dcl,
1766                         int x, int y, int w, int h)
1767{
1768    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1769
1770    COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1771
1772    dispatch_async(dispatch_get_main_queue(), ^{
1773        NSRect rect;
1774        if ([cocoaView cdx] == 1.0) {
1775            rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1776        } else {
1777            rect = NSMakeRect(
1778                x * [cocoaView cdx],
1779                ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1780                w * [cocoaView cdx],
1781                h * [cocoaView cdy]);
1782        }
1783        [cocoaView setNeedsDisplayInRect:rect];
1784    });
1785
1786    [pool release];
1787}
1788
1789static void cocoa_switch(DisplayChangeListener *dcl,
1790                         DisplaySurface *surface)
1791{
1792    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1793    pixman_image_t *image = surface->image;
1794
1795    COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1796
1797    // The DisplaySurface will be freed as soon as this callback returns.
1798    // We take a reference to the underlying pixman image here so it does
1799    // not disappear from under our feet; the switchSurface method will
1800    // deref the old image when it is done with it.
1801    pixman_image_ref(image);
1802
1803    dispatch_async(dispatch_get_main_queue(), ^{
1804        [cocoaView switchSurface:image];
1805    });
1806    [pool release];
1807}
1808
1809static void cocoa_refresh(DisplayChangeListener *dcl)
1810{
1811    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1812
1813    COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1814    graphic_hw_update(NULL);
1815
1816    if (qemu_input_is_absolute()) {
1817        dispatch_async(dispatch_get_main_queue(), ^{
1818            if (![cocoaView isAbsoluteEnabled]) {
1819                if ([cocoaView isMouseGrabbed]) {
1820                    [cocoaView ungrabMouse];
1821                }
1822            }
1823            [cocoaView setAbsoluteEnabled:YES];
1824        });
1825    }
1826    [pool release];
1827}
1828
1829static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
1830{
1831    COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1832
1833    /* Tell main thread to go ahead and create the app and enter the run loop */
1834    qemu_sem_post(&display_init_sem);
1835    qemu_sem_wait(&app_started_sem);
1836    COCOA_DEBUG("cocoa_display_init: app start completed\n");
1837
1838    /* if fullscreen mode is to be used */
1839    if (opts->has_full_screen && opts->full_screen) {
1840        dispatch_async(dispatch_get_main_queue(), ^{
1841            [NSApp activateIgnoringOtherApps: YES];
1842            [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1843        });
1844    }
1845    if (opts->has_show_cursor && opts->show_cursor) {
1846        cursor_hide = 0;
1847    }
1848
1849    // register vga output callbacks
1850    register_displaychangelistener(&dcl);
1851}
1852
1853static QemuDisplay qemu_display_cocoa = {
1854    .type       = DISPLAY_TYPE_COCOA,
1855    .init       = cocoa_display_init,
1856};
1857
1858static void register_cocoa(void)
1859{
1860    qemu_display_register(&qemu_display_cocoa);
1861}
1862
1863type_init(register_cocoa);
1864