xref: /openbmc/qemu/ui/cocoa.m (revision 2d7ac0af)
1/*
2 * QEMU Cocoa CG display driver
3 *
4 * Copyright (c) 2008 Mike Kronenberg
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25#include "qemu/osdep.h"
26
27#import <Cocoa/Cocoa.h>
28#include <crt_externs.h>
29
30#include "qemu-common.h"
31#include "ui/console.h"
32#include "ui/input.h"
33#include "sysemu/sysemu.h"
34#include "sysemu/runstate.h"
35#include "sysemu/cpu-throttle.h"
36#include "qapi/error.h"
37#include "qapi/qapi-commands-block.h"
38#include "qapi/qapi-commands-misc.h"
39#include "sysemu/blockdev.h"
40#include "qemu-version.h"
41#include "qemu/main-loop.h"
42#include "qemu/module.h"
43#include <Carbon/Carbon.h>
44#include "hw/core/cpu.h"
45
46#ifndef MAC_OS_X_VERSION_10_13
47#define MAC_OS_X_VERSION_10_13 101300
48#endif
49
50/* 10.14 deprecates NSOnState and NSOffState in favor of
51 * NSControlStateValueOn/Off, which were introduced in 10.13.
52 * Define for older versions
53 */
54#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
55#define NSControlStateValueOn NSOnState
56#define NSControlStateValueOff NSOffState
57#endif
58
59//#define DEBUG
60
61#ifdef DEBUG
62#define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
63#else
64#define COCOA_DEBUG(...)  ((void) 0)
65#endif
66
67#define cgrect(nsrect) (*(CGRect *)&(nsrect))
68
69typedef struct {
70    int width;
71    int height;
72    int bitsPerComponent;
73    int bitsPerPixel;
74} QEMUScreen;
75
76NSWindow *normalWindow, *about_window;
77static DisplayChangeListener *dcl;
78static int last_buttons;
79static int cursor_hide = 1;
80
81int gArgc;
82char **gArgv;
83bool stretch_video;
84NSTextField *pauseLabel;
85NSArray * supportedImageFileTypes;
86
87static QemuSemaphore display_init_sem;
88static QemuSemaphore app_started_sem;
89static bool allow_events;
90
91// Utility functions to run specified code block with iothread lock held
92typedef void (^CodeBlock)(void);
93typedef bool (^BoolCodeBlock)(void);
94
95static void with_iothread_lock(CodeBlock block)
96{
97    bool locked = qemu_mutex_iothread_locked();
98    if (!locked) {
99        qemu_mutex_lock_iothread();
100    }
101    block();
102    if (!locked) {
103        qemu_mutex_unlock_iothread();
104    }
105}
106
107static bool bool_with_iothread_lock(BoolCodeBlock block)
108{
109    bool locked = qemu_mutex_iothread_locked();
110    bool val;
111
112    if (!locked) {
113        qemu_mutex_lock_iothread();
114    }
115    val = block();
116    if (!locked) {
117        qemu_mutex_unlock_iothread();
118    }
119    return val;
120}
121
122// Mac to QKeyCode conversion
123const int mac_to_qkeycode_map[] = {
124    [kVK_ANSI_A] = Q_KEY_CODE_A,
125    [kVK_ANSI_B] = Q_KEY_CODE_B,
126    [kVK_ANSI_C] = Q_KEY_CODE_C,
127    [kVK_ANSI_D] = Q_KEY_CODE_D,
128    [kVK_ANSI_E] = Q_KEY_CODE_E,
129    [kVK_ANSI_F] = Q_KEY_CODE_F,
130    [kVK_ANSI_G] = Q_KEY_CODE_G,
131    [kVK_ANSI_H] = Q_KEY_CODE_H,
132    [kVK_ANSI_I] = Q_KEY_CODE_I,
133    [kVK_ANSI_J] = Q_KEY_CODE_J,
134    [kVK_ANSI_K] = Q_KEY_CODE_K,
135    [kVK_ANSI_L] = Q_KEY_CODE_L,
136    [kVK_ANSI_M] = Q_KEY_CODE_M,
137    [kVK_ANSI_N] = Q_KEY_CODE_N,
138    [kVK_ANSI_O] = Q_KEY_CODE_O,
139    [kVK_ANSI_P] = Q_KEY_CODE_P,
140    [kVK_ANSI_Q] = Q_KEY_CODE_Q,
141    [kVK_ANSI_R] = Q_KEY_CODE_R,
142    [kVK_ANSI_S] = Q_KEY_CODE_S,
143    [kVK_ANSI_T] = Q_KEY_CODE_T,
144    [kVK_ANSI_U] = Q_KEY_CODE_U,
145    [kVK_ANSI_V] = Q_KEY_CODE_V,
146    [kVK_ANSI_W] = Q_KEY_CODE_W,
147    [kVK_ANSI_X] = Q_KEY_CODE_X,
148    [kVK_ANSI_Y] = Q_KEY_CODE_Y,
149    [kVK_ANSI_Z] = Q_KEY_CODE_Z,
150
151    [kVK_ANSI_0] = Q_KEY_CODE_0,
152    [kVK_ANSI_1] = Q_KEY_CODE_1,
153    [kVK_ANSI_2] = Q_KEY_CODE_2,
154    [kVK_ANSI_3] = Q_KEY_CODE_3,
155    [kVK_ANSI_4] = Q_KEY_CODE_4,
156    [kVK_ANSI_5] = Q_KEY_CODE_5,
157    [kVK_ANSI_6] = Q_KEY_CODE_6,
158    [kVK_ANSI_7] = Q_KEY_CODE_7,
159    [kVK_ANSI_8] = Q_KEY_CODE_8,
160    [kVK_ANSI_9] = Q_KEY_CODE_9,
161
162    [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
163    [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
164    [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
165    [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
166    [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
167    [kVK_Tab] = Q_KEY_CODE_TAB,
168    [kVK_Return] = Q_KEY_CODE_RET,
169    [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
170    [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
171    [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
172    [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
173    [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
174    [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
175    [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
176    [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
177    [kVK_Shift] = Q_KEY_CODE_SHIFT,
178    [kVK_RightShift] = Q_KEY_CODE_SHIFT_R,
179    [kVK_Control] = Q_KEY_CODE_CTRL,
180    [kVK_RightControl] = Q_KEY_CODE_CTRL_R,
181    [kVK_Option] = Q_KEY_CODE_ALT,
182    [kVK_RightOption] = Q_KEY_CODE_ALT_R,
183    [kVK_Command] = Q_KEY_CODE_META_L,
184    [0x36] = Q_KEY_CODE_META_R, /* There is no kVK_RightCommand */
185    [kVK_Space] = Q_KEY_CODE_SPC,
186
187    [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
188    [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
189    [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
190    [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
191    [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
192    [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
193    [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
194    [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
195    [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
196    [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
197    [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
198    [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
199    [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
200    [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
201    [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
202    [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
203    [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
204    [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
205
206    [kVK_UpArrow] = Q_KEY_CODE_UP,
207    [kVK_DownArrow] = Q_KEY_CODE_DOWN,
208    [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
209    [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
210
211    [kVK_Help] = Q_KEY_CODE_INSERT,
212    [kVK_Home] = Q_KEY_CODE_HOME,
213    [kVK_PageUp] = Q_KEY_CODE_PGUP,
214    [kVK_PageDown] = Q_KEY_CODE_PGDN,
215    [kVK_End] = Q_KEY_CODE_END,
216    [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
217
218    [kVK_Escape] = Q_KEY_CODE_ESC,
219
220    /* The Power key can't be used directly because the operating system uses
221     * it. This key can be emulated by using it in place of another key such as
222     * F1. Don't forget to disable the real key binding.
223     */
224    /* [kVK_F1] = Q_KEY_CODE_POWER, */
225
226    [kVK_F1] = Q_KEY_CODE_F1,
227    [kVK_F2] = Q_KEY_CODE_F2,
228    [kVK_F3] = Q_KEY_CODE_F3,
229    [kVK_F4] = Q_KEY_CODE_F4,
230    [kVK_F5] = Q_KEY_CODE_F5,
231    [kVK_F6] = Q_KEY_CODE_F6,
232    [kVK_F7] = Q_KEY_CODE_F7,
233    [kVK_F8] = Q_KEY_CODE_F8,
234    [kVK_F9] = Q_KEY_CODE_F9,
235    [kVK_F10] = Q_KEY_CODE_F10,
236    [kVK_F11] = Q_KEY_CODE_F11,
237    [kVK_F12] = Q_KEY_CODE_F12,
238    [kVK_F13] = Q_KEY_CODE_PRINT,
239    [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
240    [kVK_F15] = Q_KEY_CODE_PAUSE,
241
242    /*
243     * The eject and volume keys can't be used here because they are handled at
244     * a lower level than what an Application can see.
245     */
246};
247
248static int cocoa_keycode_to_qemu(int keycode)
249{
250    if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
251        fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
252        return 0;
253    }
254    return mac_to_qkeycode_map[keycode];
255}
256
257/* Displays an alert dialog box with the specified message */
258static void QEMU_Alert(NSString *message)
259{
260    NSAlert *alert;
261    alert = [NSAlert new];
262    [alert setMessageText: message];
263    [alert runModal];
264}
265
266/* Handles any errors that happen with a device transaction */
267static void handleAnyDeviceErrors(Error * err)
268{
269    if (err) {
270        QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
271                                      encoding: NSASCIIStringEncoding]);
272        error_free(err);
273    }
274}
275
276/*
277 ------------------------------------------------------
278    QemuCocoaView
279 ------------------------------------------------------
280*/
281@interface QemuCocoaView : NSView
282{
283    QEMUScreen screen;
284    NSWindow *fullScreenWindow;
285    float cx,cy,cw,ch,cdx,cdy;
286    CGDataProviderRef dataProviderRef;
287    pixman_image_t *pixman_image;
288    BOOL modifiers_state[256];
289    BOOL isMouseGrabbed;
290    BOOL isFullscreen;
291    BOOL isAbsoluteEnabled;
292    BOOL isMouseDeassociated;
293}
294- (void) switchSurface:(pixman_image_t *)image;
295- (void) grabMouse;
296- (void) ungrabMouse;
297- (void) toggleFullScreen:(id)sender;
298- (void) handleMonitorInput:(NSEvent *)event;
299- (bool) handleEvent:(NSEvent *)event;
300- (bool) handleEventLocked:(NSEvent *)event;
301- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
302/* The state surrounding mouse grabbing is potentially confusing.
303 * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
304 *   pointing device an absolute-position one?"], but is only updated on
305 *   next refresh.
306 * isMouseGrabbed tracks whether GUI events are directed to the guest;
307 *   it controls whether special keys like Cmd get sent to the guest,
308 *   and whether we capture the mouse when in non-absolute mode.
309 * isMouseDeassociated tracks whether we've told MacOSX to disassociate
310 *   the mouse and mouse cursor position by calling
311 *   CGAssociateMouseAndMouseCursorPosition(FALSE)
312 *   (which basically happens if we grab in non-absolute mode).
313 */
314- (BOOL) isMouseGrabbed;
315- (BOOL) isAbsoluteEnabled;
316- (BOOL) isMouseDeassociated;
317- (float) cdx;
318- (float) cdy;
319- (QEMUScreen) gscreen;
320- (void) raiseAllKeys;
321@end
322
323QemuCocoaView *cocoaView;
324
325@implementation QemuCocoaView
326- (id)initWithFrame:(NSRect)frameRect
327{
328    COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
329
330    self = [super initWithFrame:frameRect];
331    if (self) {
332
333        screen.bitsPerComponent = 8;
334        screen.bitsPerPixel = 32;
335        screen.width = frameRect.size.width;
336        screen.height = frameRect.size.height;
337
338    }
339    return self;
340}
341
342- (void) dealloc
343{
344    COCOA_DEBUG("QemuCocoaView: dealloc\n");
345
346    if (dataProviderRef) {
347        CGDataProviderRelease(dataProviderRef);
348        pixman_image_unref(pixman_image);
349    }
350
351    [super dealloc];
352}
353
354- (BOOL) isOpaque
355{
356    return YES;
357}
358
359- (BOOL) screenContainsPoint:(NSPoint) p
360{
361    return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
362}
363
364/* Get location of event and convert to virtual screen coordinate */
365- (CGPoint) screenLocationOfEvent:(NSEvent *)ev
366{
367    NSWindow *eventWindow = [ev window];
368    // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
369    CGRect r = CGRectZero;
370    r.origin = [ev locationInWindow];
371    if (!eventWindow) {
372        if (!isFullscreen) {
373            return [[self window] convertRectFromScreen:r].origin;
374        } else {
375            CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
376            CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
377            if (stretch_video) {
378                loc.x /= cdx;
379                loc.y /= cdy;
380            }
381            return loc;
382        }
383    } else if ([[self window] isEqual:eventWindow]) {
384        if (!isFullscreen) {
385            return r.origin;
386        } else {
387            CGPoint loc = [self convertPoint:r.origin fromView:nil];
388            if (stretch_video) {
389                loc.x /= cdx;
390                loc.y /= cdy;
391            }
392            return loc;
393        }
394    } else {
395        return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
396    }
397}
398
399- (void) hideCursor
400{
401    if (!cursor_hide) {
402        return;
403    }
404    [NSCursor hide];
405}
406
407- (void) unhideCursor
408{
409    if (!cursor_hide) {
410        return;
411    }
412    [NSCursor unhide];
413}
414
415- (void) drawRect:(NSRect) rect
416{
417    COCOA_DEBUG("QemuCocoaView: drawRect\n");
418
419    // get CoreGraphic context
420    CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
421
422    CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
423    CGContextSetShouldAntialias (viewContextRef, NO);
424
425    // draw screen bitmap directly to Core Graphics context
426    if (!dataProviderRef) {
427        // Draw request before any guest device has set up a framebuffer:
428        // just draw an opaque black rectangle
429        CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
430        CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
431    } else {
432        CGImageRef imageRef = CGImageCreate(
433            screen.width, //width
434            screen.height, //height
435            screen.bitsPerComponent, //bitsPerComponent
436            screen.bitsPerPixel, //bitsPerPixel
437            (screen.width * (screen.bitsPerComponent/2)), //bytesPerRow
438#ifdef __LITTLE_ENDIAN__
439            CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
440            kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
441#else
442            CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
443            kCGImageAlphaNoneSkipFirst, //bitmapInfo
444#endif
445            dataProviderRef, //provider
446            NULL, //decode
447            0, //interpolate
448            kCGRenderingIntentDefault //intent
449        );
450        // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
451        const NSRect *rectList;
452        NSInteger rectCount;
453        int i;
454        CGImageRef clipImageRef;
455        CGRect clipRect;
456
457        [self getRectsBeingDrawn:&rectList count:&rectCount];
458        for (i = 0; i < rectCount; i++) {
459            clipRect.origin.x = rectList[i].origin.x / cdx;
460            clipRect.origin.y = (float)screen.height - (rectList[i].origin.y + rectList[i].size.height) / cdy;
461            clipRect.size.width = rectList[i].size.width / cdx;
462            clipRect.size.height = rectList[i].size.height / cdy;
463            clipImageRef = CGImageCreateWithImageInRect(
464                                                        imageRef,
465                                                        clipRect
466                                                        );
467            CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
468            CGImageRelease (clipImageRef);
469        }
470        CGImageRelease (imageRef);
471    }
472}
473
474- (void) setContentDimensions
475{
476    COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
477
478    if (isFullscreen) {
479        cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
480        cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
481
482        /* stretches video, but keeps same aspect ratio */
483        if (stretch_video == true) {
484            /* use smallest stretch value - prevents clipping on sides */
485            if (MIN(cdx, cdy) == cdx) {
486                cdy = cdx;
487            } else {
488                cdx = cdy;
489            }
490        } else {  /* No stretching */
491            cdx = cdy = 1;
492        }
493        cw = screen.width * cdx;
494        ch = screen.height * cdy;
495        cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
496        cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
497    } else {
498        cx = 0;
499        cy = 0;
500        cw = screen.width;
501        ch = screen.height;
502        cdx = 1.0;
503        cdy = 1.0;
504    }
505}
506
507- (void) switchSurface:(pixman_image_t *)image
508{
509    COCOA_DEBUG("QemuCocoaView: switchSurface\n");
510
511    int w = pixman_image_get_width(image);
512    int h = pixman_image_get_height(image);
513    pixman_format_code_t image_format = pixman_image_get_format(image);
514    /* cdx == 0 means this is our very first surface, in which case we need
515     * to recalculate the content dimensions even if it happens to be the size
516     * of the initial empty window.
517     */
518    bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
519
520    int oldh = screen.height;
521    if (isResize) {
522        // Resize before we trigger the redraw, or we'll redraw at the wrong size
523        COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
524        screen.width = w;
525        screen.height = h;
526        [self setContentDimensions];
527        [self setFrame:NSMakeRect(cx, cy, cw, ch)];
528    }
529
530    // update screenBuffer
531    if (dataProviderRef) {
532        CGDataProviderRelease(dataProviderRef);
533        pixman_image_unref(pixman_image);
534    }
535
536    //sync host window color space with guests
537    screen.bitsPerPixel = PIXMAN_FORMAT_BPP(image_format);
538    screen.bitsPerComponent = DIV_ROUND_UP(screen.bitsPerPixel, 8) * 2;
539
540    pixman_image = image;
541    dataProviderRef = CGDataProviderCreateWithData(NULL, pixman_image_get_data(image), w * 4 * h, NULL);
542
543    // update windows
544    if (isFullscreen) {
545        [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
546        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
547    } else {
548        if (qemu_name)
549            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
550        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
551    }
552
553    if (isResize) {
554        [normalWindow center];
555    }
556}
557
558- (void) toggleFullScreen:(id)sender
559{
560    COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
561
562    if (isFullscreen) { // switch from fullscreen to desktop
563        isFullscreen = FALSE;
564        [self ungrabMouse];
565        [self setContentDimensions];
566        if ([NSView respondsToSelector:@selector(exitFullScreenModeWithOptions:)]) { // test if "exitFullScreenModeWithOptions" is supported on host at runtime
567            [self exitFullScreenModeWithOptions:nil];
568        } else {
569            [fullScreenWindow close];
570            [normalWindow setContentView: self];
571            [normalWindow makeKeyAndOrderFront: self];
572            [NSMenu setMenuBarVisible:YES];
573        }
574    } else { // switch from desktop to fullscreen
575        isFullscreen = TRUE;
576        [normalWindow orderOut: nil]; /* Hide the window */
577        [self grabMouse];
578        [self setContentDimensions];
579        if ([NSView respondsToSelector:@selector(enterFullScreenMode:withOptions:)]) { // test if "enterFullScreenMode:withOptions" is supported on host at runtime
580            [self enterFullScreenMode:[NSScreen mainScreen] withOptions:[NSDictionary dictionaryWithObjectsAndKeys:
581                [NSNumber numberWithBool:NO], NSFullScreenModeAllScreens,
582                [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], kCGDisplayModeIsStretched, nil], NSFullScreenModeSetting,
583                 nil]];
584        } else {
585            [NSMenu setMenuBarVisible:NO];
586            fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
587                styleMask:NSWindowStyleMaskBorderless
588                backing:NSBackingStoreBuffered
589                defer:NO];
590            [fullScreenWindow setAcceptsMouseMovedEvents: YES];
591            [fullScreenWindow setHasShadow:NO];
592            [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
593            [self setFrame:NSMakeRect(cx, cy, cw, ch)];
594            [[fullScreenWindow contentView] addSubview: self];
595            [fullScreenWindow makeKeyAndOrderFront:self];
596        }
597    }
598}
599
600- (void) toggleModifier: (int)keycode {
601    // Toggle the stored state.
602    modifiers_state[keycode] = !modifiers_state[keycode];
603    // Send a keyup or keydown depending on the state.
604    qemu_input_event_send_key_qcode(dcl->con, keycode, modifiers_state[keycode]);
605}
606
607- (void) toggleStatefulModifier: (int)keycode {
608    // Toggle the stored state.
609    modifiers_state[keycode] = !modifiers_state[keycode];
610    // Generate keydown and keyup.
611    qemu_input_event_send_key_qcode(dcl->con, keycode, true);
612    qemu_input_event_send_key_qcode(dcl->con, keycode, false);
613}
614
615// Does the work of sending input to the monitor
616- (void) handleMonitorInput:(NSEvent *)event
617{
618    int keysym = 0;
619    int control_key = 0;
620
621    // if the control key is down
622    if ([event modifierFlags] & NSEventModifierFlagControl) {
623        control_key = 1;
624    }
625
626    /* translates Macintosh keycodes to QEMU's keysym */
627
628    int without_control_translation[] = {
629        [0 ... 0xff] = 0,   // invalid key
630
631        [kVK_UpArrow]       = QEMU_KEY_UP,
632        [kVK_DownArrow]     = QEMU_KEY_DOWN,
633        [kVK_RightArrow]    = QEMU_KEY_RIGHT,
634        [kVK_LeftArrow]     = QEMU_KEY_LEFT,
635        [kVK_Home]          = QEMU_KEY_HOME,
636        [kVK_End]           = QEMU_KEY_END,
637        [kVK_PageUp]        = QEMU_KEY_PAGEUP,
638        [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
639        [kVK_ForwardDelete] = QEMU_KEY_DELETE,
640        [kVK_Delete]        = QEMU_KEY_BACKSPACE,
641    };
642
643    int with_control_translation[] = {
644        [0 ... 0xff] = 0,   // invalid key
645
646        [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
647        [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
648        [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
649        [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
650        [kVK_Home]          = QEMU_KEY_CTRL_HOME,
651        [kVK_End]           = QEMU_KEY_CTRL_END,
652        [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
653        [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
654    };
655
656    if (control_key != 0) { /* If the control key is being used */
657        if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
658            keysym = with_control_translation[[event keyCode]];
659        }
660    } else {
661        if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
662            keysym = without_control_translation[[event keyCode]];
663        }
664    }
665
666    // if not a key that needs translating
667    if (keysym == 0) {
668        NSString *ks = [event characters];
669        if ([ks length] > 0) {
670            keysym = [ks characterAtIndex:0];
671        }
672    }
673
674    if (keysym) {
675        kbd_put_keysym(keysym);
676    }
677}
678
679- (bool) handleEvent:(NSEvent *)event
680{
681    if(!allow_events) {
682        /*
683         * Just let OSX have all events that arrive before
684         * applicationDidFinishLaunching.
685         * This avoids a deadlock on the iothread lock, which cocoa_display_init()
686         * will not drop until after the app_started_sem is posted. (In theory
687         * there should not be any such events, but OSX Catalina now emits some.)
688         */
689        return false;
690    }
691    return bool_with_iothread_lock(^{
692        return [self handleEventLocked:event];
693    });
694}
695
696- (bool) handleEventLocked:(NSEvent *)event
697{
698    /* Return true if we handled the event, false if it should be given to OSX */
699    COCOA_DEBUG("QemuCocoaView: handleEvent\n");
700    int buttons = 0;
701    int keycode = 0;
702    bool mouse_event = false;
703    static bool switched_to_fullscreen = false;
704    // Location of event in virtual screen coordinates
705    NSPoint p = [self screenLocationOfEvent:event];
706
707    switch ([event type]) {
708        case NSEventTypeFlagsChanged:
709            if ([event keyCode] == 0) {
710                // When the Cocoa keyCode is zero that means keys should be
711                // synthesized based on the values in in the eventModifiers
712                // bitmask.
713
714                if (qemu_console_is_graphic(NULL)) {
715                    NSUInteger modifiers = [event modifierFlags];
716
717                    if (!!(modifiers & NSEventModifierFlagCapsLock) != !!modifiers_state[Q_KEY_CODE_CAPS_LOCK]) {
718                        [self toggleStatefulModifier:Q_KEY_CODE_CAPS_LOCK];
719                    }
720                    if (!!(modifiers & NSEventModifierFlagShift) != !!modifiers_state[Q_KEY_CODE_SHIFT]) {
721                        [self toggleModifier:Q_KEY_CODE_SHIFT];
722                    }
723                    if (!!(modifiers & NSEventModifierFlagControl) != !!modifiers_state[Q_KEY_CODE_CTRL]) {
724                        [self toggleModifier:Q_KEY_CODE_CTRL];
725                    }
726                    if (!!(modifiers & NSEventModifierFlagOption) != !!modifiers_state[Q_KEY_CODE_ALT]) {
727                        [self toggleModifier:Q_KEY_CODE_ALT];
728                    }
729                    if (!!(modifiers & NSEventModifierFlagCommand) != !!modifiers_state[Q_KEY_CODE_META_L]) {
730                        [self toggleModifier:Q_KEY_CODE_META_L];
731                    }
732                }
733            } else {
734                keycode = cocoa_keycode_to_qemu([event keyCode]);
735            }
736
737            if ((keycode == Q_KEY_CODE_META_L || keycode == Q_KEY_CODE_META_R)
738               && !isMouseGrabbed) {
739              /* Don't pass command key changes to guest unless mouse is grabbed */
740              keycode = 0;
741            }
742
743            if (keycode) {
744                // emulate caps lock and num lock keydown and keyup
745                if (keycode == Q_KEY_CODE_CAPS_LOCK ||
746                    keycode == Q_KEY_CODE_NUM_LOCK) {
747                    [self toggleStatefulModifier:keycode];
748                } else if (qemu_console_is_graphic(NULL)) {
749                    if (switched_to_fullscreen) {
750                        switched_to_fullscreen = false;
751                    } else {
752                        [self toggleModifier:keycode];
753                    }
754                }
755            }
756
757            break;
758        case NSEventTypeKeyDown:
759            keycode = cocoa_keycode_to_qemu([event keyCode]);
760
761            // forward command key combos to the host UI unless the mouse is grabbed
762            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
763                /*
764                 * Prevent the command key from being stuck down in the guest
765                 * when using Command-F to switch to full screen mode.
766                 */
767                if (keycode == Q_KEY_CODE_F) {
768                    switched_to_fullscreen = true;
769                }
770                return false;
771            }
772
773            // default
774
775            // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
776            if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
777                NSString *keychar = [event charactersIgnoringModifiers];
778                if ([keychar length] == 1) {
779                    char key = [keychar characterAtIndex:0];
780                    switch (key) {
781
782                        // enable graphic console
783                        case '1' ... '9':
784                            console_select(key - '0' - 1); /* ascii math */
785                            return true;
786
787                        // release the mouse grab
788                        case 'g':
789                            [self ungrabMouse];
790                            return true;
791                    }
792                }
793            }
794
795            if (qemu_console_is_graphic(NULL)) {
796                qemu_input_event_send_key_qcode(dcl->con, keycode, true);
797            } else {
798                [self handleMonitorInput: event];
799            }
800            break;
801        case NSEventTypeKeyUp:
802            keycode = cocoa_keycode_to_qemu([event keyCode]);
803
804            // don't pass the guest a spurious key-up if we treated this
805            // command-key combo as a host UI action
806            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
807                return true;
808            }
809
810            if (qemu_console_is_graphic(NULL)) {
811                qemu_input_event_send_key_qcode(dcl->con, keycode, false);
812            }
813            break;
814        case NSEventTypeMouseMoved:
815            if (isAbsoluteEnabled) {
816                // Cursor re-entered into a window might generate events bound to screen coordinates
817                // and `nil` window property, and in full screen mode, current window might not be
818                // key window, where event location alone should suffice.
819                if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
820                    if (isMouseGrabbed) {
821                        [self ungrabMouse];
822                    }
823                } else {
824                    if (!isMouseGrabbed) {
825                        [self grabMouse];
826                    }
827                }
828            }
829            mouse_event = true;
830            break;
831        case NSEventTypeLeftMouseDown:
832            if ([event modifierFlags] & NSEventModifierFlagCommand) {
833                buttons |= MOUSE_EVENT_RBUTTON;
834            } else {
835                buttons |= MOUSE_EVENT_LBUTTON;
836            }
837            mouse_event = true;
838            break;
839        case NSEventTypeRightMouseDown:
840            buttons |= MOUSE_EVENT_RBUTTON;
841            mouse_event = true;
842            break;
843        case NSEventTypeOtherMouseDown:
844            buttons |= MOUSE_EVENT_MBUTTON;
845            mouse_event = true;
846            break;
847        case NSEventTypeLeftMouseDragged:
848            if ([event modifierFlags] & NSEventModifierFlagCommand) {
849                buttons |= MOUSE_EVENT_RBUTTON;
850            } else {
851                buttons |= MOUSE_EVENT_LBUTTON;
852            }
853            mouse_event = true;
854            break;
855        case NSEventTypeRightMouseDragged:
856            buttons |= MOUSE_EVENT_RBUTTON;
857            mouse_event = true;
858            break;
859        case NSEventTypeOtherMouseDragged:
860            buttons |= MOUSE_EVENT_MBUTTON;
861            mouse_event = true;
862            break;
863        case NSEventTypeLeftMouseUp:
864            mouse_event = true;
865            if (!isMouseGrabbed && [self screenContainsPoint:p]) {
866                /*
867                 * In fullscreen mode, the window of cocoaView may not be the
868                 * key window, therefore the position relative to the virtual
869                 * screen alone will be sufficient.
870                 */
871                if(isFullscreen || [[self window] isKeyWindow]) {
872                    [self grabMouse];
873                }
874            }
875            break;
876        case NSEventTypeRightMouseUp:
877            mouse_event = true;
878            break;
879        case NSEventTypeOtherMouseUp:
880            mouse_event = true;
881            break;
882        case NSEventTypeScrollWheel:
883            /*
884             * Send wheel events to the guest regardless of window focus.
885             * This is in-line with standard Mac OS X UI behaviour.
886             */
887
888            /*
889             * When deltaY is zero, it means that this scrolling event was
890             * either horizontal, or so fine that it only appears in
891             * scrollingDeltaY. So we drop the event.
892             */
893            if ([event deltaY] != 0) {
894            /* Determine if this is a scroll up or scroll down event */
895                buttons = ([event deltaY] > 0) ?
896                    INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
897                qemu_input_queue_btn(dcl->con, buttons, true);
898                qemu_input_event_sync();
899                qemu_input_queue_btn(dcl->con, buttons, false);
900                qemu_input_event_sync();
901            }
902            /*
903             * Since deltaY also reports scroll wheel events we prevent mouse
904             * movement code from executing.
905             */
906            mouse_event = false;
907            break;
908        default:
909            return false;
910    }
911
912    if (mouse_event) {
913        /* Don't send button events to the guest unless we've got a
914         * mouse grab or window focus. If we have neither then this event
915         * is the user clicking on the background window to activate and
916         * bring us to the front, which will be done by the sendEvent
917         * call below. We definitely don't want to pass that click through
918         * to the guest.
919         */
920        if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
921            (last_buttons != buttons)) {
922            static uint32_t bmap[INPUT_BUTTON__MAX] = {
923                [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
924                [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
925                [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
926            };
927            qemu_input_update_buttons(dcl->con, bmap, last_buttons, buttons);
928            last_buttons = buttons;
929        }
930        if (isMouseGrabbed) {
931            if (isAbsoluteEnabled) {
932                /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
933                 * The check on screenContainsPoint is to avoid sending out of range values for
934                 * clicks in the titlebar.
935                 */
936                if ([self screenContainsPoint:p]) {
937                    qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, 0, screen.width);
938                    qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
939                }
940            } else {
941                qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]);
942                qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, (int)[event deltaY]);
943            }
944        } else {
945            return false;
946        }
947        qemu_input_event_sync();
948    }
949    return true;
950}
951
952- (void) grabMouse
953{
954    COCOA_DEBUG("QemuCocoaView: grabMouse\n");
955
956    if (!isFullscreen) {
957        if (qemu_name)
958            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
959        else
960            [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
961    }
962    [self hideCursor];
963    if (!isAbsoluteEnabled) {
964        isMouseDeassociated = TRUE;
965        CGAssociateMouseAndMouseCursorPosition(FALSE);
966    }
967    isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
968}
969
970- (void) ungrabMouse
971{
972    COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
973
974    if (!isFullscreen) {
975        if (qemu_name)
976            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
977        else
978            [normalWindow setTitle:@"QEMU"];
979    }
980    [self unhideCursor];
981    if (isMouseDeassociated) {
982        CGAssociateMouseAndMouseCursorPosition(TRUE);
983        isMouseDeassociated = FALSE;
984    }
985    isMouseGrabbed = FALSE;
986}
987
988- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
989- (BOOL) isMouseGrabbed {return isMouseGrabbed;}
990- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
991- (BOOL) isMouseDeassociated {return isMouseDeassociated;}
992- (float) cdx {return cdx;}
993- (float) cdy {return cdy;}
994- (QEMUScreen) gscreen {return screen;}
995
996/*
997 * Makes the target think all down keys are being released.
998 * This prevents a stuck key problem, since we will not see
999 * key up events for those keys after we have lost focus.
1000 */
1001- (void) raiseAllKeys
1002{
1003    const int max_index = ARRAY_SIZE(modifiers_state);
1004
1005    with_iothread_lock(^{
1006        int index;
1007
1008        for (index = 0; index < max_index; index++) {
1009            if (modifiers_state[index]) {
1010                modifiers_state[index] = 0;
1011                qemu_input_event_send_key_qcode(dcl->con, index, false);
1012            }
1013        }
1014    });
1015}
1016@end
1017
1018
1019
1020/*
1021 ------------------------------------------------------
1022    QemuCocoaAppController
1023 ------------------------------------------------------
1024*/
1025@interface QemuCocoaAppController : NSObject
1026                                       <NSWindowDelegate, NSApplicationDelegate>
1027{
1028}
1029- (void)doToggleFullScreen:(id)sender;
1030- (void)toggleFullScreen:(id)sender;
1031- (void)showQEMUDoc:(id)sender;
1032- (void)zoomToFit:(id) sender;
1033- (void)displayConsole:(id)sender;
1034- (void)pauseQEMU:(id)sender;
1035- (void)resumeQEMU:(id)sender;
1036- (void)displayPause;
1037- (void)removePause;
1038- (void)restartQEMU:(id)sender;
1039- (void)powerDownQEMU:(id)sender;
1040- (void)ejectDeviceMedia:(id)sender;
1041- (void)changeDeviceMedia:(id)sender;
1042- (BOOL)verifyQuit;
1043- (void)openDocumentation:(NSString *)filename;
1044- (IBAction) do_about_menu_item: (id) sender;
1045- (void)make_about_window;
1046- (void)adjustSpeed:(id)sender;
1047@end
1048
1049@implementation QemuCocoaAppController
1050- (id) init
1051{
1052    COCOA_DEBUG("QemuCocoaAppController: init\n");
1053
1054    self = [super init];
1055    if (self) {
1056
1057        // create a view and add it to the window
1058        cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
1059        if(!cocoaView) {
1060            fprintf(stderr, "(cocoa) can't create a view\n");
1061            exit(1);
1062        }
1063
1064        // create a window
1065        normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
1066            styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
1067            backing:NSBackingStoreBuffered defer:NO];
1068        if(!normalWindow) {
1069            fprintf(stderr, "(cocoa) can't create window\n");
1070            exit(1);
1071        }
1072        [normalWindow setAcceptsMouseMovedEvents:YES];
1073        [normalWindow setTitle:@"QEMU"];
1074        [normalWindow setContentView:cocoaView];
1075        [normalWindow makeKeyAndOrderFront:self];
1076        [normalWindow center];
1077        [normalWindow setDelegate: self];
1078        stretch_video = false;
1079
1080        /* Used for displaying pause on the screen */
1081        pauseLabel = [NSTextField new];
1082        [pauseLabel setBezeled:YES];
1083        [pauseLabel setDrawsBackground:YES];
1084        [pauseLabel setBackgroundColor: [NSColor whiteColor]];
1085        [pauseLabel setEditable:NO];
1086        [pauseLabel setSelectable:NO];
1087        [pauseLabel setStringValue: @"Paused"];
1088        [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
1089        [pauseLabel setTextColor: [NSColor blackColor]];
1090        [pauseLabel sizeToFit];
1091
1092        // set the supported image file types that can be opened
1093        supportedImageFileTypes = [NSArray arrayWithObjects: @"img", @"iso", @"dmg",
1094                                 @"qcow", @"qcow2", @"cloop", @"vmdk", @"cdr",
1095                                  @"toast", nil];
1096        [self make_about_window];
1097    }
1098    return self;
1099}
1100
1101- (void) dealloc
1102{
1103    COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
1104
1105    if (cocoaView)
1106        [cocoaView release];
1107    [super dealloc];
1108}
1109
1110- (void)applicationDidFinishLaunching: (NSNotification *) note
1111{
1112    COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
1113    allow_events = true;
1114    /* Tell cocoa_display_init to proceed */
1115    qemu_sem_post(&app_started_sem);
1116}
1117
1118- (void)applicationWillTerminate:(NSNotification *)aNotification
1119{
1120    COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
1121
1122    qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
1123    exit(0);
1124}
1125
1126- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
1127{
1128    return YES;
1129}
1130
1131- (NSApplicationTerminateReply)applicationShouldTerminate:
1132                                                         (NSApplication *)sender
1133{
1134    COCOA_DEBUG("QemuCocoaAppController: applicationShouldTerminate\n");
1135    return [self verifyQuit];
1136}
1137
1138/* Called when the user clicks on a window's close button */
1139- (BOOL)windowShouldClose:(id)sender
1140{
1141    COCOA_DEBUG("QemuCocoaAppController: windowShouldClose\n");
1142    [NSApp terminate: sender];
1143    /* If the user allows the application to quit then the call to
1144     * NSApp terminate will never return. If we get here then the user
1145     * cancelled the quit, so we should return NO to not permit the
1146     * closing of this window.
1147     */
1148    return NO;
1149}
1150
1151/* Called when QEMU goes into the background */
1152- (void) applicationWillResignActive: (NSNotification *)aNotification
1153{
1154    COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
1155    [cocoaView raiseAllKeys];
1156}
1157
1158/* We abstract the method called by the Enter Fullscreen menu item
1159 * because Mac OS 10.7 and higher disables it. This is because of the
1160 * menu item's old selector's name toggleFullScreen:
1161 */
1162- (void) doToggleFullScreen:(id)sender
1163{
1164    [self toggleFullScreen:(id)sender];
1165}
1166
1167- (void)toggleFullScreen:(id)sender
1168{
1169    COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
1170
1171    [cocoaView toggleFullScreen:sender];
1172}
1173
1174/* Tries to find then open the specified filename */
1175- (void) openDocumentation: (NSString *) filename
1176{
1177    /* Where to look for local files */
1178    NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", @"../docs/"};
1179    NSString *full_file_path;
1180
1181    /* iterate thru the possible paths until the file is found */
1182    int index;
1183    for (index = 0; index < ARRAY_SIZE(path_array); index++) {
1184        full_file_path = [[NSBundle mainBundle] executablePath];
1185        full_file_path = [full_file_path stringByDeletingLastPathComponent];
1186        full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
1187                          path_array[index], filename];
1188        if ([[NSWorkspace sharedWorkspace] openFile: full_file_path] == YES) {
1189            return;
1190        }
1191    }
1192
1193    /* If none of the paths opened a file */
1194    NSBeep();
1195    QEMU_Alert(@"Failed to open file");
1196}
1197
1198- (void)showQEMUDoc:(id)sender
1199{
1200    COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
1201
1202    [self openDocumentation: @"index.html"];
1203}
1204
1205/* Stretches video to fit host monitor size */
1206- (void)zoomToFit:(id) sender
1207{
1208    stretch_video = !stretch_video;
1209    if (stretch_video == true) {
1210        [sender setState: NSControlStateValueOn];
1211    } else {
1212        [sender setState: NSControlStateValueOff];
1213    }
1214}
1215
1216/* Displays the console on the screen */
1217- (void)displayConsole:(id)sender
1218{
1219    console_select([sender tag]);
1220}
1221
1222/* Pause the guest */
1223- (void)pauseQEMU:(id)sender
1224{
1225    with_iothread_lock(^{
1226        qmp_stop(NULL);
1227    });
1228    [sender setEnabled: NO];
1229    [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
1230    [self displayPause];
1231}
1232
1233/* Resume running the guest operating system */
1234- (void)resumeQEMU:(id) sender
1235{
1236    with_iothread_lock(^{
1237        qmp_cont(NULL);
1238    });
1239    [sender setEnabled: NO];
1240    [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
1241    [self removePause];
1242}
1243
1244/* Displays the word pause on the screen */
1245- (void)displayPause
1246{
1247    /* Coordinates have to be calculated each time because the window can change its size */
1248    int xCoord, yCoord, width, height;
1249    xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
1250    yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
1251    width = [pauseLabel frame].size.width;
1252    height = [pauseLabel frame].size.height;
1253    [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
1254    [cocoaView addSubview: pauseLabel];
1255}
1256
1257/* Removes the word pause from the screen */
1258- (void)removePause
1259{
1260    [pauseLabel removeFromSuperview];
1261}
1262
1263/* Restarts QEMU */
1264- (void)restartQEMU:(id)sender
1265{
1266    with_iothread_lock(^{
1267        qmp_system_reset(NULL);
1268    });
1269}
1270
1271/* Powers down QEMU */
1272- (void)powerDownQEMU:(id)sender
1273{
1274    with_iothread_lock(^{
1275        qmp_system_powerdown(NULL);
1276    });
1277}
1278
1279/* Ejects the media.
1280 * Uses sender's tag to figure out the device to eject.
1281 */
1282- (void)ejectDeviceMedia:(id)sender
1283{
1284    NSString * drive;
1285    drive = [sender representedObject];
1286    if(drive == nil) {
1287        NSBeep();
1288        QEMU_Alert(@"Failed to find drive to eject!");
1289        return;
1290    }
1291
1292    __block Error *err = NULL;
1293    with_iothread_lock(^{
1294        qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
1295                  false, NULL, false, false, &err);
1296    });
1297    handleAnyDeviceErrors(err);
1298}
1299
1300/* Displays a dialog box asking the user to select an image file to load.
1301 * Uses sender's represented object value to figure out which drive to use.
1302 */
1303- (void)changeDeviceMedia:(id)sender
1304{
1305    /* Find the drive name */
1306    NSString * drive;
1307    drive = [sender representedObject];
1308    if(drive == nil) {
1309        NSBeep();
1310        QEMU_Alert(@"Could not find drive!");
1311        return;
1312    }
1313
1314    /* Display the file open dialog */
1315    NSOpenPanel * openPanel;
1316    openPanel = [NSOpenPanel openPanel];
1317    [openPanel setCanChooseFiles: YES];
1318    [openPanel setAllowsMultipleSelection: NO];
1319    [openPanel setAllowedFileTypes: supportedImageFileTypes];
1320    if([openPanel runModal] == NSModalResponseOK) {
1321        NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
1322        if(file == nil) {
1323            NSBeep();
1324            QEMU_Alert(@"Failed to convert URL to file path!");
1325            return;
1326        }
1327
1328        __block Error *err = NULL;
1329        with_iothread_lock(^{
1330            qmp_blockdev_change_medium(true,
1331                                       [drive cStringUsingEncoding:
1332                                                  NSASCIIStringEncoding],
1333                                       false, NULL,
1334                                       [file cStringUsingEncoding:
1335                                                 NSASCIIStringEncoding],
1336                                       true, "raw",
1337                                       false, 0,
1338                                       &err);
1339        });
1340        handleAnyDeviceErrors(err);
1341    }
1342}
1343
1344/* Verifies if the user really wants to quit */
1345- (BOOL)verifyQuit
1346{
1347    NSAlert *alert = [NSAlert new];
1348    [alert autorelease];
1349    [alert setMessageText: @"Are you sure you want to quit QEMU?"];
1350    [alert addButtonWithTitle: @"Cancel"];
1351    [alert addButtonWithTitle: @"Quit"];
1352    if([alert runModal] == NSAlertSecondButtonReturn) {
1353        return YES;
1354    } else {
1355        return NO;
1356    }
1357}
1358
1359/* The action method for the About menu item */
1360- (IBAction) do_about_menu_item: (id) sender
1361{
1362    [about_window makeKeyAndOrderFront: nil];
1363}
1364
1365/* Create and display the about dialog */
1366- (void)make_about_window
1367{
1368    /* Make the window */
1369    int x = 0, y = 0, about_width = 400, about_height = 200;
1370    NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
1371    about_window = [[NSWindow alloc] initWithContentRect:window_rect
1372                    styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
1373                    NSWindowStyleMaskMiniaturizable
1374                    backing:NSBackingStoreBuffered
1375                    defer:NO];
1376    [about_window setTitle: @"About"];
1377    [about_window setReleasedWhenClosed: NO];
1378    [about_window center];
1379    NSView *superView = [about_window contentView];
1380
1381    /* Create the dimensions of the picture */
1382    int picture_width = 80, picture_height = 80;
1383    x = (about_width - picture_width)/2;
1384    y = about_height - picture_height - 10;
1385    NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
1386
1387    /* Get the path to the QEMU binary */
1388    NSString *binary_name = [NSString stringWithCString: gArgv[0]
1389                                      encoding: NSASCIIStringEncoding];
1390    binary_name = [binary_name lastPathComponent];
1391    NSString *program_path = [[NSString alloc] initWithFormat: @"%@/%@",
1392    [[NSBundle mainBundle] bundlePath], binary_name];
1393
1394    /* Make the picture of QEMU */
1395    NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
1396                                                     picture_rect];
1397    NSImage *qemu_image = [[NSWorkspace sharedWorkspace] iconForFile:
1398                                                         program_path];
1399    [picture_view setImage: qemu_image];
1400    [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
1401    [superView addSubview: picture_view];
1402
1403    /* Make the name label */
1404    x = 0;
1405    y = y - 25;
1406    int name_width = about_width, name_height = 20;
1407    NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
1408    NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
1409    [name_label setEditable: NO];
1410    [name_label setBezeled: NO];
1411    [name_label setDrawsBackground: NO];
1412    [name_label setAlignment: NSTextAlignmentCenter];
1413    NSString *qemu_name = [[NSString alloc] initWithCString: gArgv[0]
1414                                            encoding: NSASCIIStringEncoding];
1415    qemu_name = [qemu_name lastPathComponent];
1416    [name_label setStringValue: qemu_name];
1417    [superView addSubview: name_label];
1418
1419    /* Set the version label's attributes */
1420    x = 0;
1421    y = 50;
1422    int version_width = about_width, version_height = 20;
1423    NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
1424    NSTextField *version_label = [[NSTextField alloc] initWithFrame:
1425                                                      version_rect];
1426    [version_label setEditable: NO];
1427    [version_label setBezeled: NO];
1428    [version_label setAlignment: NSTextAlignmentCenter];
1429    [version_label setDrawsBackground: NO];
1430
1431    /* Create the version string*/
1432    NSString *version_string;
1433    version_string = [[NSString alloc] initWithFormat:
1434    @"QEMU emulator version %s", QEMU_FULL_VERSION];
1435    [version_label setStringValue: version_string];
1436    [superView addSubview: version_label];
1437
1438    /* Make copyright label */
1439    x = 0;
1440    y = 35;
1441    int copyright_width = about_width, copyright_height = 20;
1442    NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
1443    NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
1444                                                        copyright_rect];
1445    [copyright_label setEditable: NO];
1446    [copyright_label setBezeled: NO];
1447    [copyright_label setDrawsBackground: NO];
1448    [copyright_label setAlignment: NSTextAlignmentCenter];
1449    [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
1450                                     QEMU_COPYRIGHT]];
1451    [superView addSubview: copyright_label];
1452}
1453
1454/* Used by the Speed menu items */
1455- (void)adjustSpeed:(id)sender
1456{
1457    int throttle_pct; /* throttle percentage */
1458    NSMenu *menu;
1459
1460    menu = [sender menu];
1461    if (menu != nil)
1462    {
1463        /* Unselect the currently selected item */
1464        for (NSMenuItem *item in [menu itemArray]) {
1465            if (item.state == NSControlStateValueOn) {
1466                [item setState: NSControlStateValueOff];
1467                break;
1468            }
1469        }
1470    }
1471
1472    // check the menu item
1473    [sender setState: NSControlStateValueOn];
1474
1475    // get the throttle percentage
1476    throttle_pct = [sender tag];
1477
1478    with_iothread_lock(^{
1479        cpu_throttle_set(throttle_pct);
1480    });
1481    COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
1482}
1483
1484@end
1485
1486@interface QemuApplication : NSApplication
1487@end
1488
1489@implementation QemuApplication
1490- (void)sendEvent:(NSEvent *)event
1491{
1492    COCOA_DEBUG("QemuApplication: sendEvent\n");
1493    if (![cocoaView handleEvent:event]) {
1494        [super sendEvent: event];
1495    }
1496}
1497@end
1498
1499static void create_initial_menus(void)
1500{
1501    // Add menus
1502    NSMenu      *menu;
1503    NSMenuItem  *menuItem;
1504
1505    [NSApp setMainMenu:[[NSMenu alloc] init]];
1506
1507    // Application menu
1508    menu = [[NSMenu alloc] initWithTitle:@""];
1509    [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
1510    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1511    [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1512    menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1513    [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
1514    [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1515    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1516    [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1517    menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1518    [menuItem setSubmenu:menu];
1519    [[NSApp mainMenu] addItem:menuItem];
1520    [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1521
1522    // Machine menu
1523    menu = [[NSMenu alloc] initWithTitle: @"Machine"];
1524    [menu setAutoenablesItems: NO];
1525    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
1526    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
1527    [menu addItem: menuItem];
1528    [menuItem setEnabled: NO];
1529    [menu addItem: [NSMenuItem separatorItem]];
1530    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
1531    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
1532    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
1533    [menuItem setSubmenu:menu];
1534    [[NSApp mainMenu] addItem:menuItem];
1535
1536    // View menu
1537    menu = [[NSMenu alloc] initWithTitle:@"View"];
1538    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1539    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1540    menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1541    [menuItem setSubmenu:menu];
1542    [[NSApp mainMenu] addItem:menuItem];
1543
1544    // Speed menu
1545    menu = [[NSMenu alloc] initWithTitle:@"Speed"];
1546
1547    // Add the rest of the Speed menu items
1548    int p, percentage, throttle_pct;
1549    for (p = 10; p >= 0; p--)
1550    {
1551        percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
1552
1553        menuItem = [[[NSMenuItem alloc]
1554                   initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
1555
1556        if (percentage == 100) {
1557            [menuItem setState: NSControlStateValueOn];
1558        }
1559
1560        /* Calculate the throttle percentage */
1561        throttle_pct = -1 * percentage + 100;
1562
1563        [menuItem setTag: throttle_pct];
1564        [menu addItem: menuItem];
1565    }
1566    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
1567    [menuItem setSubmenu:menu];
1568    [[NSApp mainMenu] addItem:menuItem];
1569
1570    // Window menu
1571    menu = [[NSMenu alloc] initWithTitle:@"Window"];
1572    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1573    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1574    [menuItem setSubmenu:menu];
1575    [[NSApp mainMenu] addItem:menuItem];
1576    [NSApp setWindowsMenu:menu];
1577
1578    // Help menu
1579    menu = [[NSMenu alloc] initWithTitle:@"Help"];
1580    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1581    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1582    [menuItem setSubmenu:menu];
1583    [[NSApp mainMenu] addItem:menuItem];
1584}
1585
1586/* Returns a name for a given console */
1587static NSString * getConsoleName(QemuConsole * console)
1588{
1589    return [NSString stringWithFormat: @"%s", qemu_console_get_label(console)];
1590}
1591
1592/* Add an entry to the View menu for each console */
1593static void add_console_menu_entries(void)
1594{
1595    NSMenu *menu;
1596    NSMenuItem *menuItem;
1597    int index = 0;
1598
1599    menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
1600
1601    [menu addItem:[NSMenuItem separatorItem]];
1602
1603    while (qemu_console_lookup_by_index(index) != NULL) {
1604        menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
1605                                               action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
1606        [menuItem setTag: index];
1607        [menu addItem: menuItem];
1608        index++;
1609    }
1610}
1611
1612/* Make menu items for all removable devices.
1613 * Each device is given an 'Eject' and 'Change' menu item.
1614 */
1615static void addRemovableDevicesMenuItems(void)
1616{
1617    NSMenu *menu;
1618    NSMenuItem *menuItem;
1619    BlockInfoList *currentDevice, *pointerToFree;
1620    NSString *deviceName;
1621
1622    currentDevice = qmp_query_block(NULL);
1623    pointerToFree = currentDevice;
1624    if(currentDevice == NULL) {
1625        NSBeep();
1626        QEMU_Alert(@"Failed to query for block devices!");
1627        return;
1628    }
1629
1630    menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
1631
1632    // Add a separator between related groups of menu items
1633    [menu addItem:[NSMenuItem separatorItem]];
1634
1635    // Set the attributes to the "Removable Media" menu item
1636    NSString *titleString = @"Removable Media";
1637    NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
1638    NSColor *newColor = [NSColor blackColor];
1639    NSFontManager *fontManager = [NSFontManager sharedFontManager];
1640    NSFont *font = [fontManager fontWithFamily:@"Helvetica"
1641                                          traits:NSBoldFontMask|NSItalicFontMask
1642                                          weight:0
1643                                            size:14];
1644    [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
1645    [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
1646    [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
1647
1648    // Add the "Removable Media" menu item
1649    menuItem = [NSMenuItem new];
1650    [menuItem setAttributedTitle: attString];
1651    [menuItem setEnabled: NO];
1652    [menu addItem: menuItem];
1653
1654    /* Loop through all the block devices in the emulator */
1655    while (currentDevice) {
1656        deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
1657
1658        if(currentDevice->value->removable) {
1659            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
1660                                                  action: @selector(changeDeviceMedia:)
1661                                           keyEquivalent: @""];
1662            [menu addItem: menuItem];
1663            [menuItem setRepresentedObject: deviceName];
1664            [menuItem autorelease];
1665
1666            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
1667                                                  action: @selector(ejectDeviceMedia:)
1668                                           keyEquivalent: @""];
1669            [menu addItem: menuItem];
1670            [menuItem setRepresentedObject: deviceName];
1671            [menuItem autorelease];
1672        }
1673        currentDevice = currentDevice->next;
1674    }
1675    qapi_free_BlockInfoList(pointerToFree);
1676}
1677
1678/*
1679 * The startup process for the OSX/Cocoa UI is complicated, because
1680 * OSX insists that the UI runs on the initial main thread, and so we
1681 * need to start a second thread which runs the vl.c qemu_main():
1682 *
1683 * Initial thread:                    2nd thread:
1684 * in main():
1685 *  create qemu-main thread
1686 *  wait on display_init semaphore
1687 *                                    call qemu_main()
1688 *                                    ...
1689 *                                    in cocoa_display_init():
1690 *                                     post the display_init semaphore
1691 *                                     wait on app_started semaphore
1692 *  create application, menus, etc
1693 *  enter OSX run loop
1694 * in applicationDidFinishLaunching:
1695 *  post app_started semaphore
1696 *                                     tell main thread to fullscreen if needed
1697 *                                    [...]
1698 *                                    run qemu main-loop
1699 *
1700 * We do this in two stages so that we don't do the creation of the
1701 * GUI application menus and so on for command line options like --help
1702 * where we want to just print text to stdout and exit immediately.
1703 */
1704
1705static void *call_qemu_main(void *opaque)
1706{
1707    int status;
1708
1709    COCOA_DEBUG("Second thread: calling qemu_main()\n");
1710    status = qemu_main(gArgc, gArgv, *_NSGetEnviron());
1711    COCOA_DEBUG("Second thread: qemu_main() returned, exiting\n");
1712    exit(status);
1713}
1714
1715int main (int argc, const char * argv[]) {
1716    QemuThread thread;
1717
1718    COCOA_DEBUG("Entered main()\n");
1719    gArgc = argc;
1720    gArgv = (char **)argv;
1721
1722    qemu_sem_init(&display_init_sem, 0);
1723    qemu_sem_init(&app_started_sem, 0);
1724
1725    qemu_thread_create(&thread, "qemu_main", call_qemu_main,
1726                       NULL, QEMU_THREAD_DETACHED);
1727
1728    COCOA_DEBUG("Main thread: waiting for display_init_sem\n");
1729    qemu_sem_wait(&display_init_sem);
1730    COCOA_DEBUG("Main thread: initializing app\n");
1731
1732    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1733
1734    // Pull this console process up to being a fully-fledged graphical
1735    // app with a menubar and Dock icon
1736    ProcessSerialNumber psn = { 0, kCurrentProcess };
1737    TransformProcessType(&psn, kProcessTransformToForegroundApplication);
1738
1739    [QemuApplication sharedApplication];
1740
1741    create_initial_menus();
1742
1743    /*
1744     * Create the menu entries which depend on QEMU state (for consoles
1745     * and removeable devices). These make calls back into QEMU functions,
1746     * which is OK because at this point we know that the second thread
1747     * holds the iothread lock and is synchronously waiting for us to
1748     * finish.
1749     */
1750    add_console_menu_entries();
1751    addRemovableDevicesMenuItems();
1752
1753    // Create an Application controller
1754    QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1755    [NSApp setDelegate:appController];
1756
1757    // Start the main event loop
1758    COCOA_DEBUG("Main thread: entering OSX run loop\n");
1759    [NSApp run];
1760    COCOA_DEBUG("Main thread: left OSX run loop, exiting\n");
1761
1762    [appController release];
1763    [pool release];
1764
1765    return 0;
1766}
1767
1768
1769
1770#pragma mark qemu
1771static void cocoa_update(DisplayChangeListener *dcl,
1772                         int x, int y, int w, int h)
1773{
1774    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1775
1776    COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1777
1778    dispatch_async(dispatch_get_main_queue(), ^{
1779        NSRect rect;
1780        if ([cocoaView cdx] == 1.0) {
1781            rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1782        } else {
1783            rect = NSMakeRect(
1784                x * [cocoaView cdx],
1785                ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1786                w * [cocoaView cdx],
1787                h * [cocoaView cdy]);
1788        }
1789        [cocoaView setNeedsDisplayInRect:rect];
1790    });
1791
1792    [pool release];
1793}
1794
1795static void cocoa_switch(DisplayChangeListener *dcl,
1796                         DisplaySurface *surface)
1797{
1798    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1799    pixman_image_t *image = surface->image;
1800
1801    COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1802
1803    // The DisplaySurface will be freed as soon as this callback returns.
1804    // We take a reference to the underlying pixman image here so it does
1805    // not disappear from under our feet; the switchSurface method will
1806    // deref the old image when it is done with it.
1807    pixman_image_ref(image);
1808
1809    dispatch_async(dispatch_get_main_queue(), ^{
1810        [cocoaView switchSurface:image];
1811    });
1812    [pool release];
1813}
1814
1815static void cocoa_refresh(DisplayChangeListener *dcl)
1816{
1817    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1818
1819    COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1820    graphic_hw_update(NULL);
1821
1822    if (qemu_input_is_absolute()) {
1823        dispatch_async(dispatch_get_main_queue(), ^{
1824            if (![cocoaView isAbsoluteEnabled]) {
1825                if ([cocoaView isMouseGrabbed]) {
1826                    [cocoaView ungrabMouse];
1827                }
1828            }
1829            [cocoaView setAbsoluteEnabled:YES];
1830        });
1831    }
1832    [pool release];
1833}
1834
1835static void cocoa_cleanup(void)
1836{
1837    COCOA_DEBUG("qemu_cocoa: cocoa_cleanup\n");
1838    g_free(dcl);
1839}
1840
1841static const DisplayChangeListenerOps dcl_ops = {
1842    .dpy_name          = "cocoa",
1843    .dpy_gfx_update = cocoa_update,
1844    .dpy_gfx_switch = cocoa_switch,
1845    .dpy_refresh = cocoa_refresh,
1846};
1847
1848static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
1849{
1850    COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1851
1852    /* Tell main thread to go ahead and create the app and enter the run loop */
1853    qemu_sem_post(&display_init_sem);
1854    qemu_sem_wait(&app_started_sem);
1855    COCOA_DEBUG("cocoa_display_init: app start completed\n");
1856
1857    /* if fullscreen mode is to be used */
1858    if (opts->has_full_screen && opts->full_screen) {
1859        dispatch_async(dispatch_get_main_queue(), ^{
1860            [NSApp activateIgnoringOtherApps: YES];
1861            [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1862        });
1863    }
1864    if (opts->has_show_cursor && opts->show_cursor) {
1865        cursor_hide = 0;
1866    }
1867
1868    dcl = g_malloc0(sizeof(DisplayChangeListener));
1869
1870    // register vga output callbacks
1871    dcl->ops = &dcl_ops;
1872    register_displaychangelistener(dcl);
1873
1874    // register cleanup function
1875    atexit(cocoa_cleanup);
1876}
1877
1878static QemuDisplay qemu_display_cocoa = {
1879    .type       = DISPLAY_TYPE_COCOA,
1880    .init       = cocoa_display_init,
1881};
1882
1883static void register_cocoa(void)
1884{
1885    qemu_display_register(&qemu_display_cocoa);
1886}
1887
1888type_init(register_cocoa);
1889