xref: /openbmc/qemu/ui/cocoa.m (revision 036a80cd)
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-machine.h"
39#include "qapi/qapi-commands-misc.h"
40#include "sysemu/blockdev.h"
41#include "qemu-version.h"
42#include "qemu/main-loop.h"
43#include "qemu/module.h"
44#include <Carbon/Carbon.h>
45#include "hw/core/cpu.h"
46
47#ifndef MAC_OS_X_VERSION_10_13
48#define MAC_OS_X_VERSION_10_13 101300
49#endif
50
51/* 10.14 deprecates NSOnState and NSOffState in favor of
52 * NSControlStateValueOn/Off, which were introduced in 10.13.
53 * Define for older versions
54 */
55#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
56#define NSControlStateValueOn NSOnState
57#define NSControlStateValueOff NSOffState
58#endif
59
60//#define DEBUG
61
62#ifdef DEBUG
63#define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
64#else
65#define COCOA_DEBUG(...)  ((void) 0)
66#endif
67
68#define cgrect(nsrect) (*(CGRect *)&(nsrect))
69
70typedef struct {
71    int width;
72    int height;
73    int bitsPerComponent;
74    int bitsPerPixel;
75} QEMUScreen;
76
77NSWindow *normalWindow, *about_window;
78static DisplayChangeListener *dcl;
79static int last_buttons;
80static int cursor_hide = 1;
81
82int gArgc;
83char **gArgv;
84bool stretch_video;
85NSTextField *pauseLabel;
86NSArray * supportedImageFileTypes;
87
88static QemuSemaphore display_init_sem;
89static QemuSemaphore app_started_sem;
90static bool allow_events;
91
92// Utility functions to run specified code block with iothread lock held
93typedef void (^CodeBlock)(void);
94typedef bool (^BoolCodeBlock)(void);
95
96static void with_iothread_lock(CodeBlock block)
97{
98    bool locked = qemu_mutex_iothread_locked();
99    if (!locked) {
100        qemu_mutex_lock_iothread();
101    }
102    block();
103    if (!locked) {
104        qemu_mutex_unlock_iothread();
105    }
106}
107
108static bool bool_with_iothread_lock(BoolCodeBlock block)
109{
110    bool locked = qemu_mutex_iothread_locked();
111    bool val;
112
113    if (!locked) {
114        qemu_mutex_lock_iothread();
115    }
116    val = block();
117    if (!locked) {
118        qemu_mutex_unlock_iothread();
119    }
120    return val;
121}
122
123// Mac to QKeyCode conversion
124const int mac_to_qkeycode_map[] = {
125    [kVK_ANSI_A] = Q_KEY_CODE_A,
126    [kVK_ANSI_B] = Q_KEY_CODE_B,
127    [kVK_ANSI_C] = Q_KEY_CODE_C,
128    [kVK_ANSI_D] = Q_KEY_CODE_D,
129    [kVK_ANSI_E] = Q_KEY_CODE_E,
130    [kVK_ANSI_F] = Q_KEY_CODE_F,
131    [kVK_ANSI_G] = Q_KEY_CODE_G,
132    [kVK_ANSI_H] = Q_KEY_CODE_H,
133    [kVK_ANSI_I] = Q_KEY_CODE_I,
134    [kVK_ANSI_J] = Q_KEY_CODE_J,
135    [kVK_ANSI_K] = Q_KEY_CODE_K,
136    [kVK_ANSI_L] = Q_KEY_CODE_L,
137    [kVK_ANSI_M] = Q_KEY_CODE_M,
138    [kVK_ANSI_N] = Q_KEY_CODE_N,
139    [kVK_ANSI_O] = Q_KEY_CODE_O,
140    [kVK_ANSI_P] = Q_KEY_CODE_P,
141    [kVK_ANSI_Q] = Q_KEY_CODE_Q,
142    [kVK_ANSI_R] = Q_KEY_CODE_R,
143    [kVK_ANSI_S] = Q_KEY_CODE_S,
144    [kVK_ANSI_T] = Q_KEY_CODE_T,
145    [kVK_ANSI_U] = Q_KEY_CODE_U,
146    [kVK_ANSI_V] = Q_KEY_CODE_V,
147    [kVK_ANSI_W] = Q_KEY_CODE_W,
148    [kVK_ANSI_X] = Q_KEY_CODE_X,
149    [kVK_ANSI_Y] = Q_KEY_CODE_Y,
150    [kVK_ANSI_Z] = Q_KEY_CODE_Z,
151
152    [kVK_ANSI_0] = Q_KEY_CODE_0,
153    [kVK_ANSI_1] = Q_KEY_CODE_1,
154    [kVK_ANSI_2] = Q_KEY_CODE_2,
155    [kVK_ANSI_3] = Q_KEY_CODE_3,
156    [kVK_ANSI_4] = Q_KEY_CODE_4,
157    [kVK_ANSI_5] = Q_KEY_CODE_5,
158    [kVK_ANSI_6] = Q_KEY_CODE_6,
159    [kVK_ANSI_7] = Q_KEY_CODE_7,
160    [kVK_ANSI_8] = Q_KEY_CODE_8,
161    [kVK_ANSI_9] = Q_KEY_CODE_9,
162
163    [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
164    [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
165    [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
166    [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
167    [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
168    [kVK_Tab] = Q_KEY_CODE_TAB,
169    [kVK_Return] = Q_KEY_CODE_RET,
170    [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
171    [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
172    [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
173    [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
174    [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
175    [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
176    [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
177    [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
178    [kVK_Shift] = Q_KEY_CODE_SHIFT,
179    [kVK_RightShift] = Q_KEY_CODE_SHIFT_R,
180    [kVK_Control] = Q_KEY_CODE_CTRL,
181    [kVK_RightControl] = Q_KEY_CODE_CTRL_R,
182    [kVK_Option] = Q_KEY_CODE_ALT,
183    [kVK_RightOption] = Q_KEY_CODE_ALT_R,
184    [kVK_Command] = Q_KEY_CODE_META_L,
185    [0x36] = Q_KEY_CODE_META_R, /* There is no kVK_RightCommand */
186    [kVK_Space] = Q_KEY_CODE_SPC,
187
188    [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
189    [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
190    [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
191    [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
192    [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
193    [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
194    [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
195    [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
196    [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
197    [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
198    [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
199    [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
200    [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
201    [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
202    [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
203    [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
204    [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
205    [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
206
207    [kVK_UpArrow] = Q_KEY_CODE_UP,
208    [kVK_DownArrow] = Q_KEY_CODE_DOWN,
209    [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
210    [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
211
212    [kVK_Help] = Q_KEY_CODE_INSERT,
213    [kVK_Home] = Q_KEY_CODE_HOME,
214    [kVK_PageUp] = Q_KEY_CODE_PGUP,
215    [kVK_PageDown] = Q_KEY_CODE_PGDN,
216    [kVK_End] = Q_KEY_CODE_END,
217    [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
218
219    [kVK_Escape] = Q_KEY_CODE_ESC,
220
221    /* The Power key can't be used directly because the operating system uses
222     * it. This key can be emulated by using it in place of another key such as
223     * F1. Don't forget to disable the real key binding.
224     */
225    /* [kVK_F1] = Q_KEY_CODE_POWER, */
226
227    [kVK_F1] = Q_KEY_CODE_F1,
228    [kVK_F2] = Q_KEY_CODE_F2,
229    [kVK_F3] = Q_KEY_CODE_F3,
230    [kVK_F4] = Q_KEY_CODE_F4,
231    [kVK_F5] = Q_KEY_CODE_F5,
232    [kVK_F6] = Q_KEY_CODE_F6,
233    [kVK_F7] = Q_KEY_CODE_F7,
234    [kVK_F8] = Q_KEY_CODE_F8,
235    [kVK_F9] = Q_KEY_CODE_F9,
236    [kVK_F10] = Q_KEY_CODE_F10,
237    [kVK_F11] = Q_KEY_CODE_F11,
238    [kVK_F12] = Q_KEY_CODE_F12,
239    [kVK_F13] = Q_KEY_CODE_PRINT,
240    [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
241    [kVK_F15] = Q_KEY_CODE_PAUSE,
242
243    /*
244     * The eject and volume keys can't be used here because they are handled at
245     * a lower level than what an Application can see.
246     */
247};
248
249static int cocoa_keycode_to_qemu(int keycode)
250{
251    if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
252        fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
253        return 0;
254    }
255    return mac_to_qkeycode_map[keycode];
256}
257
258/* Displays an alert dialog box with the specified message */
259static void QEMU_Alert(NSString *message)
260{
261    NSAlert *alert;
262    alert = [NSAlert new];
263    [alert setMessageText: message];
264    [alert runModal];
265}
266
267/* Handles any errors that happen with a device transaction */
268static void handleAnyDeviceErrors(Error * err)
269{
270    if (err) {
271        QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
272                                      encoding: NSASCIIStringEncoding]);
273        error_free(err);
274    }
275}
276
277/*
278 ------------------------------------------------------
279    QemuCocoaView
280 ------------------------------------------------------
281*/
282@interface QemuCocoaView : NSView
283{
284    QEMUScreen screen;
285    NSWindow *fullScreenWindow;
286    float cx,cy,cw,ch,cdx,cdy;
287    CGDataProviderRef dataProviderRef;
288    pixman_image_t *pixman_image;
289    BOOL modifiers_state[256];
290    BOOL isMouseGrabbed;
291    BOOL isFullscreen;
292    BOOL isAbsoluteEnabled;
293    BOOL isMouseDeassociated;
294}
295- (void) switchSurface:(pixman_image_t *)image;
296- (void) grabMouse;
297- (void) ungrabMouse;
298- (void) toggleFullScreen:(id)sender;
299- (void) handleMonitorInput:(NSEvent *)event;
300- (bool) handleEvent:(NSEvent *)event;
301- (bool) handleEventLocked:(NSEvent *)event;
302- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
303/* The state surrounding mouse grabbing is potentially confusing.
304 * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
305 *   pointing device an absolute-position one?"], but is only updated on
306 *   next refresh.
307 * isMouseGrabbed tracks whether GUI events are directed to the guest;
308 *   it controls whether special keys like Cmd get sent to the guest,
309 *   and whether we capture the mouse when in non-absolute mode.
310 * isMouseDeassociated tracks whether we've told MacOSX to disassociate
311 *   the mouse and mouse cursor position by calling
312 *   CGAssociateMouseAndMouseCursorPosition(FALSE)
313 *   (which basically happens if we grab in non-absolute mode).
314 */
315- (BOOL) isMouseGrabbed;
316- (BOOL) isAbsoluteEnabled;
317- (BOOL) isMouseDeassociated;
318- (float) cdx;
319- (float) cdy;
320- (QEMUScreen) gscreen;
321- (void) raiseAllKeys;
322@end
323
324QemuCocoaView *cocoaView;
325
326@implementation QemuCocoaView
327- (id)initWithFrame:(NSRect)frameRect
328{
329    COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
330
331    self = [super initWithFrame:frameRect];
332    if (self) {
333
334        screen.bitsPerComponent = 8;
335        screen.bitsPerPixel = 32;
336        screen.width = frameRect.size.width;
337        screen.height = frameRect.size.height;
338
339    }
340    return self;
341}
342
343- (void) dealloc
344{
345    COCOA_DEBUG("QemuCocoaView: dealloc\n");
346
347    if (dataProviderRef) {
348        CGDataProviderRelease(dataProviderRef);
349        pixman_image_unref(pixman_image);
350    }
351
352    [super dealloc];
353}
354
355- (BOOL) isOpaque
356{
357    return YES;
358}
359
360- (BOOL) screenContainsPoint:(NSPoint) p
361{
362    return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
363}
364
365/* Get location of event and convert to virtual screen coordinate */
366- (CGPoint) screenLocationOfEvent:(NSEvent *)ev
367{
368    NSWindow *eventWindow = [ev window];
369    // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
370    CGRect r = CGRectZero;
371    r.origin = [ev locationInWindow];
372    if (!eventWindow) {
373        if (!isFullscreen) {
374            return [[self window] convertRectFromScreen:r].origin;
375        } else {
376            CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
377            CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
378            if (stretch_video) {
379                loc.x /= cdx;
380                loc.y /= cdy;
381            }
382            return loc;
383        }
384    } else if ([[self window] isEqual:eventWindow]) {
385        if (!isFullscreen) {
386            return r.origin;
387        } else {
388            CGPoint loc = [self convertPoint:r.origin fromView:nil];
389            if (stretch_video) {
390                loc.x /= cdx;
391                loc.y /= cdy;
392            }
393            return loc;
394        }
395    } else {
396        return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
397    }
398}
399
400- (void) hideCursor
401{
402    if (!cursor_hide) {
403        return;
404    }
405    [NSCursor hide];
406}
407
408- (void) unhideCursor
409{
410    if (!cursor_hide) {
411        return;
412    }
413    [NSCursor unhide];
414}
415
416- (void) drawRect:(NSRect) rect
417{
418    COCOA_DEBUG("QemuCocoaView: drawRect\n");
419
420    // get CoreGraphic context
421    CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
422
423    CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
424    CGContextSetShouldAntialias (viewContextRef, NO);
425
426    // draw screen bitmap directly to Core Graphics context
427    if (!dataProviderRef) {
428        // Draw request before any guest device has set up a framebuffer:
429        // just draw an opaque black rectangle
430        CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
431        CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
432    } else {
433        CGImageRef imageRef = CGImageCreate(
434            screen.width, //width
435            screen.height, //height
436            screen.bitsPerComponent, //bitsPerComponent
437            screen.bitsPerPixel, //bitsPerPixel
438            (screen.width * (screen.bitsPerComponent/2)), //bytesPerRow
439#ifdef __LITTLE_ENDIAN__
440            CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
441            kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
442#else
443            CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
444            kCGImageAlphaNoneSkipFirst, //bitmapInfo
445#endif
446            dataProviderRef, //provider
447            NULL, //decode
448            0, //interpolate
449            kCGRenderingIntentDefault //intent
450        );
451        // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
452        const NSRect *rectList;
453        NSInteger rectCount;
454        int i;
455        CGImageRef clipImageRef;
456        CGRect clipRect;
457
458        [self getRectsBeingDrawn:&rectList count:&rectCount];
459        for (i = 0; i < rectCount; i++) {
460            clipRect.origin.x = rectList[i].origin.x / cdx;
461            clipRect.origin.y = (float)screen.height - (rectList[i].origin.y + rectList[i].size.height) / cdy;
462            clipRect.size.width = rectList[i].size.width / cdx;
463            clipRect.size.height = rectList[i].size.height / cdy;
464            clipImageRef = CGImageCreateWithImageInRect(
465                                                        imageRef,
466                                                        clipRect
467                                                        );
468            CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
469            CGImageRelease (clipImageRef);
470        }
471        CGImageRelease (imageRef);
472    }
473}
474
475- (void) setContentDimensions
476{
477    COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
478
479    if (isFullscreen) {
480        cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
481        cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
482
483        /* stretches video, but keeps same aspect ratio */
484        if (stretch_video == true) {
485            /* use smallest stretch value - prevents clipping on sides */
486            if (MIN(cdx, cdy) == cdx) {
487                cdy = cdx;
488            } else {
489                cdx = cdy;
490            }
491        } else {  /* No stretching */
492            cdx = cdy = 1;
493        }
494        cw = screen.width * cdx;
495        ch = screen.height * cdy;
496        cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
497        cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
498    } else {
499        cx = 0;
500        cy = 0;
501        cw = screen.width;
502        ch = screen.height;
503        cdx = 1.0;
504        cdy = 1.0;
505    }
506}
507
508- (void) switchSurface:(pixman_image_t *)image
509{
510    COCOA_DEBUG("QemuCocoaView: switchSurface\n");
511
512    int w = pixman_image_get_width(image);
513    int h = pixman_image_get_height(image);
514    pixman_format_code_t image_format = pixman_image_get_format(image);
515    /* cdx == 0 means this is our very first surface, in which case we need
516     * to recalculate the content dimensions even if it happens to be the size
517     * of the initial empty window.
518     */
519    bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
520
521    int oldh = screen.height;
522    if (isResize) {
523        // Resize before we trigger the redraw, or we'll redraw at the wrong size
524        COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
525        screen.width = w;
526        screen.height = h;
527        [self setContentDimensions];
528        [self setFrame:NSMakeRect(cx, cy, cw, ch)];
529    }
530
531    // update screenBuffer
532    if (dataProviderRef) {
533        CGDataProviderRelease(dataProviderRef);
534        pixman_image_unref(pixman_image);
535    }
536
537    //sync host window color space with guests
538    screen.bitsPerPixel = PIXMAN_FORMAT_BPP(image_format);
539    screen.bitsPerComponent = DIV_ROUND_UP(screen.bitsPerPixel, 8) * 2;
540
541    pixman_image = image;
542    dataProviderRef = CGDataProviderCreateWithData(NULL, pixman_image_get_data(image), w * 4 * h, NULL);
543
544    // update windows
545    if (isFullscreen) {
546        [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
547        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
548    } else {
549        if (qemu_name)
550            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
551        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
552    }
553
554    if (isResize) {
555        [normalWindow center];
556    }
557}
558
559- (void) toggleFullScreen:(id)sender
560{
561    COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
562
563    if (isFullscreen) { // switch from fullscreen to desktop
564        isFullscreen = FALSE;
565        [self ungrabMouse];
566        [self setContentDimensions];
567        if ([NSView respondsToSelector:@selector(exitFullScreenModeWithOptions:)]) { // test if "exitFullScreenModeWithOptions" is supported on host at runtime
568            [self exitFullScreenModeWithOptions:nil];
569        } else {
570            [fullScreenWindow close];
571            [normalWindow setContentView: self];
572            [normalWindow makeKeyAndOrderFront: self];
573            [NSMenu setMenuBarVisible:YES];
574        }
575    } else { // switch from desktop to fullscreen
576        isFullscreen = TRUE;
577        [normalWindow orderOut: nil]; /* Hide the window */
578        [self grabMouse];
579        [self setContentDimensions];
580        if ([NSView respondsToSelector:@selector(enterFullScreenMode:withOptions:)]) { // test if "enterFullScreenMode:withOptions" is supported on host at runtime
581            [self enterFullScreenMode:[NSScreen mainScreen] withOptions:[NSDictionary dictionaryWithObjectsAndKeys:
582                [NSNumber numberWithBool:NO], NSFullScreenModeAllScreens,
583                [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], kCGDisplayModeIsStretched, nil], NSFullScreenModeSetting,
584                 nil]];
585        } else {
586            [NSMenu setMenuBarVisible:NO];
587            fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
588                styleMask:NSWindowStyleMaskBorderless
589                backing:NSBackingStoreBuffered
590                defer:NO];
591            [fullScreenWindow setAcceptsMouseMovedEvents: YES];
592            [fullScreenWindow setHasShadow:NO];
593            [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
594            [self setFrame:NSMakeRect(cx, cy, cw, ch)];
595            [[fullScreenWindow contentView] addSubview: self];
596            [fullScreenWindow makeKeyAndOrderFront:self];
597        }
598    }
599}
600
601- (void) toggleModifier: (int)keycode {
602    // Toggle the stored state.
603    modifiers_state[keycode] = !modifiers_state[keycode];
604    // Send a keyup or keydown depending on the state.
605    qemu_input_event_send_key_qcode(dcl->con, keycode, modifiers_state[keycode]);
606}
607
608- (void) toggleStatefulModifier: (int)keycode {
609    // Toggle the stored state.
610    modifiers_state[keycode] = !modifiers_state[keycode];
611    // Generate keydown and keyup.
612    qemu_input_event_send_key_qcode(dcl->con, keycode, true);
613    qemu_input_event_send_key_qcode(dcl->con, keycode, false);
614}
615
616// Does the work of sending input to the monitor
617- (void) handleMonitorInput:(NSEvent *)event
618{
619    int keysym = 0;
620    int control_key = 0;
621
622    // if the control key is down
623    if ([event modifierFlags] & NSEventModifierFlagControl) {
624        control_key = 1;
625    }
626
627    /* translates Macintosh keycodes to QEMU's keysym */
628
629    int without_control_translation[] = {
630        [0 ... 0xff] = 0,   // invalid key
631
632        [kVK_UpArrow]       = QEMU_KEY_UP,
633        [kVK_DownArrow]     = QEMU_KEY_DOWN,
634        [kVK_RightArrow]    = QEMU_KEY_RIGHT,
635        [kVK_LeftArrow]     = QEMU_KEY_LEFT,
636        [kVK_Home]          = QEMU_KEY_HOME,
637        [kVK_End]           = QEMU_KEY_END,
638        [kVK_PageUp]        = QEMU_KEY_PAGEUP,
639        [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
640        [kVK_ForwardDelete] = QEMU_KEY_DELETE,
641        [kVK_Delete]        = QEMU_KEY_BACKSPACE,
642    };
643
644    int with_control_translation[] = {
645        [0 ... 0xff] = 0,   // invalid key
646
647        [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
648        [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
649        [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
650        [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
651        [kVK_Home]          = QEMU_KEY_CTRL_HOME,
652        [kVK_End]           = QEMU_KEY_CTRL_END,
653        [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
654        [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
655    };
656
657    if (control_key != 0) { /* If the control key is being used */
658        if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
659            keysym = with_control_translation[[event keyCode]];
660        }
661    } else {
662        if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
663            keysym = without_control_translation[[event keyCode]];
664        }
665    }
666
667    // if not a key that needs translating
668    if (keysym == 0) {
669        NSString *ks = [event characters];
670        if ([ks length] > 0) {
671            keysym = [ks characterAtIndex:0];
672        }
673    }
674
675    if (keysym) {
676        kbd_put_keysym(keysym);
677    }
678}
679
680- (bool) handleEvent:(NSEvent *)event
681{
682    if(!allow_events) {
683        /*
684         * Just let OSX have all events that arrive before
685         * applicationDidFinishLaunching.
686         * This avoids a deadlock on the iothread lock, which cocoa_display_init()
687         * will not drop until after the app_started_sem is posted. (In theory
688         * there should not be any such events, but OSX Catalina now emits some.)
689         */
690        return false;
691    }
692    return bool_with_iothread_lock(^{
693        return [self handleEventLocked:event];
694    });
695}
696
697- (bool) handleEventLocked:(NSEvent *)event
698{
699    /* Return true if we handled the event, false if it should be given to OSX */
700    COCOA_DEBUG("QemuCocoaView: handleEvent\n");
701    int buttons = 0;
702    int keycode = 0;
703    bool mouse_event = false;
704    static bool switched_to_fullscreen = false;
705    // Location of event in virtual screen coordinates
706    NSPoint p = [self screenLocationOfEvent:event];
707
708    switch ([event type]) {
709        case NSEventTypeFlagsChanged:
710            if ([event keyCode] == 0) {
711                // When the Cocoa keyCode is zero that means keys should be
712                // synthesized based on the values in in the eventModifiers
713                // bitmask.
714
715                if (qemu_console_is_graphic(NULL)) {
716                    NSUInteger modifiers = [event modifierFlags];
717
718                    if (!!(modifiers & NSEventModifierFlagCapsLock) != !!modifiers_state[Q_KEY_CODE_CAPS_LOCK]) {
719                        [self toggleStatefulModifier:Q_KEY_CODE_CAPS_LOCK];
720                    }
721                    if (!!(modifiers & NSEventModifierFlagShift) != !!modifiers_state[Q_KEY_CODE_SHIFT]) {
722                        [self toggleModifier:Q_KEY_CODE_SHIFT];
723                    }
724                    if (!!(modifiers & NSEventModifierFlagControl) != !!modifiers_state[Q_KEY_CODE_CTRL]) {
725                        [self toggleModifier:Q_KEY_CODE_CTRL];
726                    }
727                    if (!!(modifiers & NSEventModifierFlagOption) != !!modifiers_state[Q_KEY_CODE_ALT]) {
728                        [self toggleModifier:Q_KEY_CODE_ALT];
729                    }
730                    if (!!(modifiers & NSEventModifierFlagCommand) != !!modifiers_state[Q_KEY_CODE_META_L]) {
731                        [self toggleModifier:Q_KEY_CODE_META_L];
732                    }
733                }
734            } else {
735                keycode = cocoa_keycode_to_qemu([event keyCode]);
736            }
737
738            if ((keycode == Q_KEY_CODE_META_L || keycode == Q_KEY_CODE_META_R)
739               && !isMouseGrabbed) {
740              /* Don't pass command key changes to guest unless mouse is grabbed */
741              keycode = 0;
742            }
743
744            if (keycode) {
745                // emulate caps lock and num lock keydown and keyup
746                if (keycode == Q_KEY_CODE_CAPS_LOCK ||
747                    keycode == Q_KEY_CODE_NUM_LOCK) {
748                    [self toggleStatefulModifier:keycode];
749                } else if (qemu_console_is_graphic(NULL)) {
750                    if (switched_to_fullscreen) {
751                        switched_to_fullscreen = false;
752                    } else {
753                        [self toggleModifier:keycode];
754                    }
755                }
756            }
757
758            break;
759        case NSEventTypeKeyDown:
760            keycode = cocoa_keycode_to_qemu([event keyCode]);
761
762            // forward command key combos to the host UI unless the mouse is grabbed
763            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
764                /*
765                 * Prevent the command key from being stuck down in the guest
766                 * when using Command-F to switch to full screen mode.
767                 */
768                if (keycode == Q_KEY_CODE_F) {
769                    switched_to_fullscreen = true;
770                }
771                return false;
772            }
773
774            // default
775
776            // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
777            if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
778                NSString *keychar = [event charactersIgnoringModifiers];
779                if ([keychar length] == 1) {
780                    char key = [keychar characterAtIndex:0];
781                    switch (key) {
782
783                        // enable graphic console
784                        case '1' ... '9':
785                            console_select(key - '0' - 1); /* ascii math */
786                            return true;
787
788                        // release the mouse grab
789                        case 'g':
790                            [self ungrabMouse];
791                            return true;
792                    }
793                }
794            }
795
796            if (qemu_console_is_graphic(NULL)) {
797                qemu_input_event_send_key_qcode(dcl->con, keycode, true);
798            } else {
799                [self handleMonitorInput: event];
800            }
801            break;
802        case NSEventTypeKeyUp:
803            keycode = cocoa_keycode_to_qemu([event keyCode]);
804
805            // don't pass the guest a spurious key-up if we treated this
806            // command-key combo as a host UI action
807            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
808                return true;
809            }
810
811            if (qemu_console_is_graphic(NULL)) {
812                qemu_input_event_send_key_qcode(dcl->con, keycode, false);
813            }
814            break;
815        case NSEventTypeMouseMoved:
816            if (isAbsoluteEnabled) {
817                // Cursor re-entered into a window might generate events bound to screen coordinates
818                // and `nil` window property, and in full screen mode, current window might not be
819                // key window, where event location alone should suffice.
820                if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
821                    if (isMouseGrabbed) {
822                        [self ungrabMouse];
823                    }
824                } else {
825                    if (!isMouseGrabbed) {
826                        [self grabMouse];
827                    }
828                }
829            }
830            mouse_event = true;
831            break;
832        case NSEventTypeLeftMouseDown:
833            if ([event modifierFlags] & NSEventModifierFlagCommand) {
834                buttons |= MOUSE_EVENT_RBUTTON;
835            } else {
836                buttons |= MOUSE_EVENT_LBUTTON;
837            }
838            mouse_event = true;
839            break;
840        case NSEventTypeRightMouseDown:
841            buttons |= MOUSE_EVENT_RBUTTON;
842            mouse_event = true;
843            break;
844        case NSEventTypeOtherMouseDown:
845            buttons |= MOUSE_EVENT_MBUTTON;
846            mouse_event = true;
847            break;
848        case NSEventTypeLeftMouseDragged:
849            if ([event modifierFlags] & NSEventModifierFlagCommand) {
850                buttons |= MOUSE_EVENT_RBUTTON;
851            } else {
852                buttons |= MOUSE_EVENT_LBUTTON;
853            }
854            mouse_event = true;
855            break;
856        case NSEventTypeRightMouseDragged:
857            buttons |= MOUSE_EVENT_RBUTTON;
858            mouse_event = true;
859            break;
860        case NSEventTypeOtherMouseDragged:
861            buttons |= MOUSE_EVENT_MBUTTON;
862            mouse_event = true;
863            break;
864        case NSEventTypeLeftMouseUp:
865            mouse_event = true;
866            if (!isMouseGrabbed && [self screenContainsPoint:p]) {
867                /*
868                 * In fullscreen mode, the window of cocoaView may not be the
869                 * key window, therefore the position relative to the virtual
870                 * screen alone will be sufficient.
871                 */
872                if(isFullscreen || [[self window] isKeyWindow]) {
873                    [self grabMouse];
874                }
875            }
876            break;
877        case NSEventTypeRightMouseUp:
878            mouse_event = true;
879            break;
880        case NSEventTypeOtherMouseUp:
881            mouse_event = true;
882            break;
883        case NSEventTypeScrollWheel:
884            /*
885             * Send wheel events to the guest regardless of window focus.
886             * This is in-line with standard Mac OS X UI behaviour.
887             */
888
889            /*
890             * When deltaY is zero, it means that this scrolling event was
891             * either horizontal, or so fine that it only appears in
892             * scrollingDeltaY. So we drop the event.
893             */
894            if ([event deltaY] != 0) {
895            /* Determine if this is a scroll up or scroll down event */
896                buttons = ([event deltaY] > 0) ?
897                    INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
898                qemu_input_queue_btn(dcl->con, buttons, true);
899                qemu_input_event_sync();
900                qemu_input_queue_btn(dcl->con, buttons, false);
901                qemu_input_event_sync();
902            }
903            /*
904             * Since deltaY also reports scroll wheel events we prevent mouse
905             * movement code from executing.
906             */
907            mouse_event = false;
908            break;
909        default:
910            return false;
911    }
912
913    if (mouse_event) {
914        /* Don't send button events to the guest unless we've got a
915         * mouse grab or window focus. If we have neither then this event
916         * is the user clicking on the background window to activate and
917         * bring us to the front, which will be done by the sendEvent
918         * call below. We definitely don't want to pass that click through
919         * to the guest.
920         */
921        if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
922            (last_buttons != buttons)) {
923            static uint32_t bmap[INPUT_BUTTON__MAX] = {
924                [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
925                [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
926                [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
927            };
928            qemu_input_update_buttons(dcl->con, bmap, last_buttons, buttons);
929            last_buttons = buttons;
930        }
931        if (isMouseGrabbed) {
932            if (isAbsoluteEnabled) {
933                /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
934                 * The check on screenContainsPoint is to avoid sending out of range values for
935                 * clicks in the titlebar.
936                 */
937                if ([self screenContainsPoint:p]) {
938                    qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, 0, screen.width);
939                    qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
940                }
941            } else {
942                qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]);
943                qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, (int)[event deltaY]);
944            }
945        } else {
946            return false;
947        }
948        qemu_input_event_sync();
949    }
950    return true;
951}
952
953- (void) grabMouse
954{
955    COCOA_DEBUG("QemuCocoaView: grabMouse\n");
956
957    if (!isFullscreen) {
958        if (qemu_name)
959            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
960        else
961            [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
962    }
963    [self hideCursor];
964    if (!isAbsoluteEnabled) {
965        isMouseDeassociated = TRUE;
966        CGAssociateMouseAndMouseCursorPosition(FALSE);
967    }
968    isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
969}
970
971- (void) ungrabMouse
972{
973    COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
974
975    if (!isFullscreen) {
976        if (qemu_name)
977            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
978        else
979            [normalWindow setTitle:@"QEMU"];
980    }
981    [self unhideCursor];
982    if (isMouseDeassociated) {
983        CGAssociateMouseAndMouseCursorPosition(TRUE);
984        isMouseDeassociated = FALSE;
985    }
986    isMouseGrabbed = FALSE;
987}
988
989- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
990- (BOOL) isMouseGrabbed {return isMouseGrabbed;}
991- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
992- (BOOL) isMouseDeassociated {return isMouseDeassociated;}
993- (float) cdx {return cdx;}
994- (float) cdy {return cdy;}
995- (QEMUScreen) gscreen {return screen;}
996
997/*
998 * Makes the target think all down keys are being released.
999 * This prevents a stuck key problem, since we will not see
1000 * key up events for those keys after we have lost focus.
1001 */
1002- (void) raiseAllKeys
1003{
1004    const int max_index = ARRAY_SIZE(modifiers_state);
1005
1006    with_iothread_lock(^{
1007        int index;
1008
1009        for (index = 0; index < max_index; index++) {
1010            if (modifiers_state[index]) {
1011                modifiers_state[index] = 0;
1012                qemu_input_event_send_key_qcode(dcl->con, index, false);
1013            }
1014        }
1015    });
1016}
1017@end
1018
1019
1020
1021/*
1022 ------------------------------------------------------
1023    QemuCocoaAppController
1024 ------------------------------------------------------
1025*/
1026@interface QemuCocoaAppController : NSObject
1027                                       <NSWindowDelegate, NSApplicationDelegate>
1028{
1029}
1030- (void)doToggleFullScreen:(id)sender;
1031- (void)toggleFullScreen:(id)sender;
1032- (void)showQEMUDoc:(id)sender;
1033- (void)zoomToFit:(id) sender;
1034- (void)displayConsole:(id)sender;
1035- (void)pauseQEMU:(id)sender;
1036- (void)resumeQEMU:(id)sender;
1037- (void)displayPause;
1038- (void)removePause;
1039- (void)restartQEMU:(id)sender;
1040- (void)powerDownQEMU:(id)sender;
1041- (void)ejectDeviceMedia:(id)sender;
1042- (void)changeDeviceMedia:(id)sender;
1043- (BOOL)verifyQuit;
1044- (void)openDocumentation:(NSString *)filename;
1045- (IBAction) do_about_menu_item: (id) sender;
1046- (void)make_about_window;
1047- (void)adjustSpeed:(id)sender;
1048@end
1049
1050@implementation QemuCocoaAppController
1051- (id) init
1052{
1053    COCOA_DEBUG("QemuCocoaAppController: init\n");
1054
1055    self = [super init];
1056    if (self) {
1057
1058        // create a view and add it to the window
1059        cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
1060        if(!cocoaView) {
1061            fprintf(stderr, "(cocoa) can't create a view\n");
1062            exit(1);
1063        }
1064
1065        // create a window
1066        normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
1067            styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
1068            backing:NSBackingStoreBuffered defer:NO];
1069        if(!normalWindow) {
1070            fprintf(stderr, "(cocoa) can't create window\n");
1071            exit(1);
1072        }
1073        [normalWindow setAcceptsMouseMovedEvents:YES];
1074        [normalWindow setTitle:@"QEMU"];
1075        [normalWindow setContentView:cocoaView];
1076        [normalWindow makeKeyAndOrderFront:self];
1077        [normalWindow center];
1078        [normalWindow setDelegate: self];
1079        stretch_video = false;
1080
1081        /* Used for displaying pause on the screen */
1082        pauseLabel = [NSTextField new];
1083        [pauseLabel setBezeled:YES];
1084        [pauseLabel setDrawsBackground:YES];
1085        [pauseLabel setBackgroundColor: [NSColor whiteColor]];
1086        [pauseLabel setEditable:NO];
1087        [pauseLabel setSelectable:NO];
1088        [pauseLabel setStringValue: @"Paused"];
1089        [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
1090        [pauseLabel setTextColor: [NSColor blackColor]];
1091        [pauseLabel sizeToFit];
1092
1093        // set the supported image file types that can be opened
1094        supportedImageFileTypes = [NSArray arrayWithObjects: @"img", @"iso", @"dmg",
1095                                 @"qcow", @"qcow2", @"cloop", @"vmdk", @"cdr",
1096                                  @"toast", nil];
1097        [self make_about_window];
1098    }
1099    return self;
1100}
1101
1102- (void) dealloc
1103{
1104    COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
1105
1106    if (cocoaView)
1107        [cocoaView release];
1108    [super dealloc];
1109}
1110
1111- (void)applicationDidFinishLaunching: (NSNotification *) note
1112{
1113    COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
1114    allow_events = true;
1115    /* Tell cocoa_display_init to proceed */
1116    qemu_sem_post(&app_started_sem);
1117}
1118
1119- (void)applicationWillTerminate:(NSNotification *)aNotification
1120{
1121    COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
1122
1123    qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
1124    exit(0);
1125}
1126
1127- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
1128{
1129    return YES;
1130}
1131
1132- (NSApplicationTerminateReply)applicationShouldTerminate:
1133                                                         (NSApplication *)sender
1134{
1135    COCOA_DEBUG("QemuCocoaAppController: applicationShouldTerminate\n");
1136    return [self verifyQuit];
1137}
1138
1139/* Called when the user clicks on a window's close button */
1140- (BOOL)windowShouldClose:(id)sender
1141{
1142    COCOA_DEBUG("QemuCocoaAppController: windowShouldClose\n");
1143    [NSApp terminate: sender];
1144    /* If the user allows the application to quit then the call to
1145     * NSApp terminate will never return. If we get here then the user
1146     * cancelled the quit, so we should return NO to not permit the
1147     * closing of this window.
1148     */
1149    return NO;
1150}
1151
1152/* Called when QEMU goes into the background */
1153- (void) applicationWillResignActive: (NSNotification *)aNotification
1154{
1155    COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
1156    [cocoaView raiseAllKeys];
1157}
1158
1159/* We abstract the method called by the Enter Fullscreen menu item
1160 * because Mac OS 10.7 and higher disables it. This is because of the
1161 * menu item's old selector's name toggleFullScreen:
1162 */
1163- (void) doToggleFullScreen:(id)sender
1164{
1165    [self toggleFullScreen:(id)sender];
1166}
1167
1168- (void)toggleFullScreen:(id)sender
1169{
1170    COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
1171
1172    [cocoaView toggleFullScreen:sender];
1173}
1174
1175/* Tries to find then open the specified filename */
1176- (void) openDocumentation: (NSString *) filename
1177{
1178    /* Where to look for local files */
1179    NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", @"../docs/"};
1180    NSString *full_file_path;
1181
1182    /* iterate thru the possible paths until the file is found */
1183    int index;
1184    for (index = 0; index < ARRAY_SIZE(path_array); index++) {
1185        full_file_path = [[NSBundle mainBundle] executablePath];
1186        full_file_path = [full_file_path stringByDeletingLastPathComponent];
1187        full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
1188                          path_array[index], filename];
1189        if ([[NSWorkspace sharedWorkspace] openFile: full_file_path] == YES) {
1190            return;
1191        }
1192    }
1193
1194    /* If none of the paths opened a file */
1195    NSBeep();
1196    QEMU_Alert(@"Failed to open file");
1197}
1198
1199- (void)showQEMUDoc:(id)sender
1200{
1201    COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
1202
1203    [self openDocumentation: @"index.html"];
1204}
1205
1206/* Stretches video to fit host monitor size */
1207- (void)zoomToFit:(id) sender
1208{
1209    stretch_video = !stretch_video;
1210    if (stretch_video == true) {
1211        [sender setState: NSControlStateValueOn];
1212    } else {
1213        [sender setState: NSControlStateValueOff];
1214    }
1215}
1216
1217/* Displays the console on the screen */
1218- (void)displayConsole:(id)sender
1219{
1220    console_select([sender tag]);
1221}
1222
1223/* Pause the guest */
1224- (void)pauseQEMU:(id)sender
1225{
1226    with_iothread_lock(^{
1227        qmp_stop(NULL);
1228    });
1229    [sender setEnabled: NO];
1230    [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
1231    [self displayPause];
1232}
1233
1234/* Resume running the guest operating system */
1235- (void)resumeQEMU:(id) sender
1236{
1237    with_iothread_lock(^{
1238        qmp_cont(NULL);
1239    });
1240    [sender setEnabled: NO];
1241    [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
1242    [self removePause];
1243}
1244
1245/* Displays the word pause on the screen */
1246- (void)displayPause
1247{
1248    /* Coordinates have to be calculated each time because the window can change its size */
1249    int xCoord, yCoord, width, height;
1250    xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
1251    yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
1252    width = [pauseLabel frame].size.width;
1253    height = [pauseLabel frame].size.height;
1254    [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
1255    [cocoaView addSubview: pauseLabel];
1256}
1257
1258/* Removes the word pause from the screen */
1259- (void)removePause
1260{
1261    [pauseLabel removeFromSuperview];
1262}
1263
1264/* Restarts QEMU */
1265- (void)restartQEMU:(id)sender
1266{
1267    with_iothread_lock(^{
1268        qmp_system_reset(NULL);
1269    });
1270}
1271
1272/* Powers down QEMU */
1273- (void)powerDownQEMU:(id)sender
1274{
1275    with_iothread_lock(^{
1276        qmp_system_powerdown(NULL);
1277    });
1278}
1279
1280/* Ejects the media.
1281 * Uses sender's tag to figure out the device to eject.
1282 */
1283- (void)ejectDeviceMedia:(id)sender
1284{
1285    NSString * drive;
1286    drive = [sender representedObject];
1287    if(drive == nil) {
1288        NSBeep();
1289        QEMU_Alert(@"Failed to find drive to eject!");
1290        return;
1291    }
1292
1293    __block Error *err = NULL;
1294    with_iothread_lock(^{
1295        qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
1296                  false, NULL, false, false, &err);
1297    });
1298    handleAnyDeviceErrors(err);
1299}
1300
1301/* Displays a dialog box asking the user to select an image file to load.
1302 * Uses sender's represented object value to figure out which drive to use.
1303 */
1304- (void)changeDeviceMedia:(id)sender
1305{
1306    /* Find the drive name */
1307    NSString * drive;
1308    drive = [sender representedObject];
1309    if(drive == nil) {
1310        NSBeep();
1311        QEMU_Alert(@"Could not find drive!");
1312        return;
1313    }
1314
1315    /* Display the file open dialog */
1316    NSOpenPanel * openPanel;
1317    openPanel = [NSOpenPanel openPanel];
1318    [openPanel setCanChooseFiles: YES];
1319    [openPanel setAllowsMultipleSelection: NO];
1320    [openPanel setAllowedFileTypes: supportedImageFileTypes];
1321    if([openPanel runModal] == NSModalResponseOK) {
1322        NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
1323        if(file == nil) {
1324            NSBeep();
1325            QEMU_Alert(@"Failed to convert URL to file path!");
1326            return;
1327        }
1328
1329        __block Error *err = NULL;
1330        with_iothread_lock(^{
1331            qmp_blockdev_change_medium(true,
1332                                       [drive cStringUsingEncoding:
1333                                                  NSASCIIStringEncoding],
1334                                       false, NULL,
1335                                       [file cStringUsingEncoding:
1336                                                 NSASCIIStringEncoding],
1337                                       true, "raw",
1338                                       false, 0,
1339                                       &err);
1340        });
1341        handleAnyDeviceErrors(err);
1342    }
1343}
1344
1345/* Verifies if the user really wants to quit */
1346- (BOOL)verifyQuit
1347{
1348    NSAlert *alert = [NSAlert new];
1349    [alert autorelease];
1350    [alert setMessageText: @"Are you sure you want to quit QEMU?"];
1351    [alert addButtonWithTitle: @"Cancel"];
1352    [alert addButtonWithTitle: @"Quit"];
1353    if([alert runModal] == NSAlertSecondButtonReturn) {
1354        return YES;
1355    } else {
1356        return NO;
1357    }
1358}
1359
1360/* The action method for the About menu item */
1361- (IBAction) do_about_menu_item: (id) sender
1362{
1363    [about_window makeKeyAndOrderFront: nil];
1364}
1365
1366/* Create and display the about dialog */
1367- (void)make_about_window
1368{
1369    /* Make the window */
1370    int x = 0, y = 0, about_width = 400, about_height = 200;
1371    NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
1372    about_window = [[NSWindow alloc] initWithContentRect:window_rect
1373                    styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
1374                    NSWindowStyleMaskMiniaturizable
1375                    backing:NSBackingStoreBuffered
1376                    defer:NO];
1377    [about_window setTitle: @"About"];
1378    [about_window setReleasedWhenClosed: NO];
1379    [about_window center];
1380    NSView *superView = [about_window contentView];
1381
1382    /* Create the dimensions of the picture */
1383    int picture_width = 80, picture_height = 80;
1384    x = (about_width - picture_width)/2;
1385    y = about_height - picture_height - 10;
1386    NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
1387
1388    /* Get the path to the QEMU binary */
1389    NSString *binary_name = [NSString stringWithCString: gArgv[0]
1390                                      encoding: NSASCIIStringEncoding];
1391    binary_name = [binary_name lastPathComponent];
1392    NSString *program_path = [[NSString alloc] initWithFormat: @"%@/%@",
1393    [[NSBundle mainBundle] bundlePath], binary_name];
1394
1395    /* Make the picture of QEMU */
1396    NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
1397                                                     picture_rect];
1398    NSImage *qemu_image = [[NSWorkspace sharedWorkspace] iconForFile:
1399                                                         program_path];
1400    [picture_view setImage: qemu_image];
1401    [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
1402    [superView addSubview: picture_view];
1403
1404    /* Make the name label */
1405    x = 0;
1406    y = y - 25;
1407    int name_width = about_width, name_height = 20;
1408    NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
1409    NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
1410    [name_label setEditable: NO];
1411    [name_label setBezeled: NO];
1412    [name_label setDrawsBackground: NO];
1413    [name_label setAlignment: NSTextAlignmentCenter];
1414    NSString *qemu_name = [[NSString alloc] initWithCString: gArgv[0]
1415                                            encoding: NSASCIIStringEncoding];
1416    qemu_name = [qemu_name lastPathComponent];
1417    [name_label setStringValue: qemu_name];
1418    [superView addSubview: name_label];
1419
1420    /* Set the version label's attributes */
1421    x = 0;
1422    y = 50;
1423    int version_width = about_width, version_height = 20;
1424    NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
1425    NSTextField *version_label = [[NSTextField alloc] initWithFrame:
1426                                                      version_rect];
1427    [version_label setEditable: NO];
1428    [version_label setBezeled: NO];
1429    [version_label setAlignment: NSTextAlignmentCenter];
1430    [version_label setDrawsBackground: NO];
1431
1432    /* Create the version string*/
1433    NSString *version_string;
1434    version_string = [[NSString alloc] initWithFormat:
1435    @"QEMU emulator version %s", QEMU_FULL_VERSION];
1436    [version_label setStringValue: version_string];
1437    [superView addSubview: version_label];
1438
1439    /* Make copyright label */
1440    x = 0;
1441    y = 35;
1442    int copyright_width = about_width, copyright_height = 20;
1443    NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
1444    NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
1445                                                        copyright_rect];
1446    [copyright_label setEditable: NO];
1447    [copyright_label setBezeled: NO];
1448    [copyright_label setDrawsBackground: NO];
1449    [copyright_label setAlignment: NSTextAlignmentCenter];
1450    [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
1451                                     QEMU_COPYRIGHT]];
1452    [superView addSubview: copyright_label];
1453}
1454
1455/* Used by the Speed menu items */
1456- (void)adjustSpeed:(id)sender
1457{
1458    int throttle_pct; /* throttle percentage */
1459    NSMenu *menu;
1460
1461    menu = [sender menu];
1462    if (menu != nil)
1463    {
1464        /* Unselect the currently selected item */
1465        for (NSMenuItem *item in [menu itemArray]) {
1466            if (item.state == NSControlStateValueOn) {
1467                [item setState: NSControlStateValueOff];
1468                break;
1469            }
1470        }
1471    }
1472
1473    // check the menu item
1474    [sender setState: NSControlStateValueOn];
1475
1476    // get the throttle percentage
1477    throttle_pct = [sender tag];
1478
1479    with_iothread_lock(^{
1480        cpu_throttle_set(throttle_pct);
1481    });
1482    COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
1483}
1484
1485@end
1486
1487@interface QemuApplication : NSApplication
1488@end
1489
1490@implementation QemuApplication
1491- (void)sendEvent:(NSEvent *)event
1492{
1493    COCOA_DEBUG("QemuApplication: sendEvent\n");
1494    if (![cocoaView handleEvent:event]) {
1495        [super sendEvent: event];
1496    }
1497}
1498@end
1499
1500static void create_initial_menus(void)
1501{
1502    // Add menus
1503    NSMenu      *menu;
1504    NSMenuItem  *menuItem;
1505
1506    [NSApp setMainMenu:[[NSMenu alloc] init]];
1507
1508    // Application menu
1509    menu = [[NSMenu alloc] initWithTitle:@""];
1510    [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
1511    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1512    [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1513    menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1514    [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
1515    [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1516    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1517    [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1518    menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1519    [menuItem setSubmenu:menu];
1520    [[NSApp mainMenu] addItem:menuItem];
1521    [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1522
1523    // Machine menu
1524    menu = [[NSMenu alloc] initWithTitle: @"Machine"];
1525    [menu setAutoenablesItems: NO];
1526    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
1527    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
1528    [menu addItem: menuItem];
1529    [menuItem setEnabled: NO];
1530    [menu addItem: [NSMenuItem separatorItem]];
1531    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
1532    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
1533    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
1534    [menuItem setSubmenu:menu];
1535    [[NSApp mainMenu] addItem:menuItem];
1536
1537    // View menu
1538    menu = [[NSMenu alloc] initWithTitle:@"View"];
1539    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1540    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1541    menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1542    [menuItem setSubmenu:menu];
1543    [[NSApp mainMenu] addItem:menuItem];
1544
1545    // Speed menu
1546    menu = [[NSMenu alloc] initWithTitle:@"Speed"];
1547
1548    // Add the rest of the Speed menu items
1549    int p, percentage, throttle_pct;
1550    for (p = 10; p >= 0; p--)
1551    {
1552        percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
1553
1554        menuItem = [[[NSMenuItem alloc]
1555                   initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
1556
1557        if (percentage == 100) {
1558            [menuItem setState: NSControlStateValueOn];
1559        }
1560
1561        /* Calculate the throttle percentage */
1562        throttle_pct = -1 * percentage + 100;
1563
1564        [menuItem setTag: throttle_pct];
1565        [menu addItem: menuItem];
1566    }
1567    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
1568    [menuItem setSubmenu:menu];
1569    [[NSApp mainMenu] addItem:menuItem];
1570
1571    // Window menu
1572    menu = [[NSMenu alloc] initWithTitle:@"Window"];
1573    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1574    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1575    [menuItem setSubmenu:menu];
1576    [[NSApp mainMenu] addItem:menuItem];
1577    [NSApp setWindowsMenu:menu];
1578
1579    // Help menu
1580    menu = [[NSMenu alloc] initWithTitle:@"Help"];
1581    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1582    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1583    [menuItem setSubmenu:menu];
1584    [[NSApp mainMenu] addItem:menuItem];
1585}
1586
1587/* Returns a name for a given console */
1588static NSString * getConsoleName(QemuConsole * console)
1589{
1590    return [NSString stringWithFormat: @"%s", qemu_console_get_label(console)];
1591}
1592
1593/* Add an entry to the View menu for each console */
1594static void add_console_menu_entries(void)
1595{
1596    NSMenu *menu;
1597    NSMenuItem *menuItem;
1598    int index = 0;
1599
1600    menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
1601
1602    [menu addItem:[NSMenuItem separatorItem]];
1603
1604    while (qemu_console_lookup_by_index(index) != NULL) {
1605        menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
1606                                               action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
1607        [menuItem setTag: index];
1608        [menu addItem: menuItem];
1609        index++;
1610    }
1611}
1612
1613/* Make menu items for all removable devices.
1614 * Each device is given an 'Eject' and 'Change' menu item.
1615 */
1616static void addRemovableDevicesMenuItems(void)
1617{
1618    NSMenu *menu;
1619    NSMenuItem *menuItem;
1620    BlockInfoList *currentDevice, *pointerToFree;
1621    NSString *deviceName;
1622
1623    currentDevice = qmp_query_block(NULL);
1624    pointerToFree = currentDevice;
1625    if(currentDevice == NULL) {
1626        NSBeep();
1627        QEMU_Alert(@"Failed to query for block devices!");
1628        return;
1629    }
1630
1631    menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
1632
1633    // Add a separator between related groups of menu items
1634    [menu addItem:[NSMenuItem separatorItem]];
1635
1636    // Set the attributes to the "Removable Media" menu item
1637    NSString *titleString = @"Removable Media";
1638    NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
1639    NSColor *newColor = [NSColor blackColor];
1640    NSFontManager *fontManager = [NSFontManager sharedFontManager];
1641    NSFont *font = [fontManager fontWithFamily:@"Helvetica"
1642                                          traits:NSBoldFontMask|NSItalicFontMask
1643                                          weight:0
1644                                            size:14];
1645    [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
1646    [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
1647    [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
1648
1649    // Add the "Removable Media" menu item
1650    menuItem = [NSMenuItem new];
1651    [menuItem setAttributedTitle: attString];
1652    [menuItem setEnabled: NO];
1653    [menu addItem: menuItem];
1654
1655    /* Loop through all the block devices in the emulator */
1656    while (currentDevice) {
1657        deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
1658
1659        if(currentDevice->value->removable) {
1660            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
1661                                                  action: @selector(changeDeviceMedia:)
1662                                           keyEquivalent: @""];
1663            [menu addItem: menuItem];
1664            [menuItem setRepresentedObject: deviceName];
1665            [menuItem autorelease];
1666
1667            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
1668                                                  action: @selector(ejectDeviceMedia:)
1669                                           keyEquivalent: @""];
1670            [menu addItem: menuItem];
1671            [menuItem setRepresentedObject: deviceName];
1672            [menuItem autorelease];
1673        }
1674        currentDevice = currentDevice->next;
1675    }
1676    qapi_free_BlockInfoList(pointerToFree);
1677}
1678
1679/*
1680 * The startup process for the OSX/Cocoa UI is complicated, because
1681 * OSX insists that the UI runs on the initial main thread, and so we
1682 * need to start a second thread which runs the vl.c qemu_main():
1683 *
1684 * Initial thread:                    2nd thread:
1685 * in main():
1686 *  create qemu-main thread
1687 *  wait on display_init semaphore
1688 *                                    call qemu_main()
1689 *                                    ...
1690 *                                    in cocoa_display_init():
1691 *                                     post the display_init semaphore
1692 *                                     wait on app_started semaphore
1693 *  create application, menus, etc
1694 *  enter OSX run loop
1695 * in applicationDidFinishLaunching:
1696 *  post app_started semaphore
1697 *                                     tell main thread to fullscreen if needed
1698 *                                    [...]
1699 *                                    run qemu main-loop
1700 *
1701 * We do this in two stages so that we don't do the creation of the
1702 * GUI application menus and so on for command line options like --help
1703 * where we want to just print text to stdout and exit immediately.
1704 */
1705
1706static void *call_qemu_main(void *opaque)
1707{
1708    int status;
1709
1710    COCOA_DEBUG("Second thread: calling qemu_main()\n");
1711    status = qemu_main(gArgc, gArgv, *_NSGetEnviron());
1712    COCOA_DEBUG("Second thread: qemu_main() returned, exiting\n");
1713    exit(status);
1714}
1715
1716int main (int argc, const char * argv[]) {
1717    QemuThread thread;
1718
1719    COCOA_DEBUG("Entered main()\n");
1720    gArgc = argc;
1721    gArgv = (char **)argv;
1722
1723    qemu_sem_init(&display_init_sem, 0);
1724    qemu_sem_init(&app_started_sem, 0);
1725
1726    qemu_thread_create(&thread, "qemu_main", call_qemu_main,
1727                       NULL, QEMU_THREAD_DETACHED);
1728
1729    COCOA_DEBUG("Main thread: waiting for display_init_sem\n");
1730    qemu_sem_wait(&display_init_sem);
1731    COCOA_DEBUG("Main thread: initializing app\n");
1732
1733    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1734
1735    // Pull this console process up to being a fully-fledged graphical
1736    // app with a menubar and Dock icon
1737    ProcessSerialNumber psn = { 0, kCurrentProcess };
1738    TransformProcessType(&psn, kProcessTransformToForegroundApplication);
1739
1740    [QemuApplication sharedApplication];
1741
1742    create_initial_menus();
1743
1744    /*
1745     * Create the menu entries which depend on QEMU state (for consoles
1746     * and removeable devices). These make calls back into QEMU functions,
1747     * which is OK because at this point we know that the second thread
1748     * holds the iothread lock and is synchronously waiting for us to
1749     * finish.
1750     */
1751    add_console_menu_entries();
1752    addRemovableDevicesMenuItems();
1753
1754    // Create an Application controller
1755    QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1756    [NSApp setDelegate:appController];
1757
1758    // Start the main event loop
1759    COCOA_DEBUG("Main thread: entering OSX run loop\n");
1760    [NSApp run];
1761    COCOA_DEBUG("Main thread: left OSX run loop, exiting\n");
1762
1763    [appController release];
1764    [pool release];
1765
1766    return 0;
1767}
1768
1769
1770
1771#pragma mark qemu
1772static void cocoa_update(DisplayChangeListener *dcl,
1773                         int x, int y, int w, int h)
1774{
1775    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1776
1777    COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1778
1779    dispatch_async(dispatch_get_main_queue(), ^{
1780        NSRect rect;
1781        if ([cocoaView cdx] == 1.0) {
1782            rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1783        } else {
1784            rect = NSMakeRect(
1785                x * [cocoaView cdx],
1786                ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1787                w * [cocoaView cdx],
1788                h * [cocoaView cdy]);
1789        }
1790        [cocoaView setNeedsDisplayInRect:rect];
1791    });
1792
1793    [pool release];
1794}
1795
1796static void cocoa_switch(DisplayChangeListener *dcl,
1797                         DisplaySurface *surface)
1798{
1799    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1800    pixman_image_t *image = surface->image;
1801
1802    COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1803
1804    // The DisplaySurface will be freed as soon as this callback returns.
1805    // We take a reference to the underlying pixman image here so it does
1806    // not disappear from under our feet; the switchSurface method will
1807    // deref the old image when it is done with it.
1808    pixman_image_ref(image);
1809
1810    dispatch_async(dispatch_get_main_queue(), ^{
1811        [cocoaView switchSurface:image];
1812    });
1813    [pool release];
1814}
1815
1816static void cocoa_refresh(DisplayChangeListener *dcl)
1817{
1818    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1819
1820    COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1821    graphic_hw_update(NULL);
1822
1823    if (qemu_input_is_absolute()) {
1824        dispatch_async(dispatch_get_main_queue(), ^{
1825            if (![cocoaView isAbsoluteEnabled]) {
1826                if ([cocoaView isMouseGrabbed]) {
1827                    [cocoaView ungrabMouse];
1828                }
1829            }
1830            [cocoaView setAbsoluteEnabled:YES];
1831        });
1832    }
1833    [pool release];
1834}
1835
1836static void cocoa_cleanup(void)
1837{
1838    COCOA_DEBUG("qemu_cocoa: cocoa_cleanup\n");
1839    g_free(dcl);
1840}
1841
1842static const DisplayChangeListenerOps dcl_ops = {
1843    .dpy_name          = "cocoa",
1844    .dpy_gfx_update = cocoa_update,
1845    .dpy_gfx_switch = cocoa_switch,
1846    .dpy_refresh = cocoa_refresh,
1847};
1848
1849static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
1850{
1851    COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1852
1853    /* Tell main thread to go ahead and create the app and enter the run loop */
1854    qemu_sem_post(&display_init_sem);
1855    qemu_sem_wait(&app_started_sem);
1856    COCOA_DEBUG("cocoa_display_init: app start completed\n");
1857
1858    /* if fullscreen mode is to be used */
1859    if (opts->has_full_screen && opts->full_screen) {
1860        dispatch_async(dispatch_get_main_queue(), ^{
1861            [NSApp activateIgnoringOtherApps: YES];
1862            [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1863        });
1864    }
1865    if (opts->has_show_cursor && opts->show_cursor) {
1866        cursor_hide = 0;
1867    }
1868
1869    dcl = g_malloc0(sizeof(DisplayChangeListener));
1870
1871    // register vga output callbacks
1872    dcl->ops = &dcl_ops;
1873    register_displaychangelistener(dcl);
1874
1875    // register cleanup function
1876    atexit(cocoa_cleanup);
1877}
1878
1879static QemuDisplay qemu_display_cocoa = {
1880    .type       = DISPLAY_TYPE_COCOA,
1881    .init       = cocoa_display_init,
1882};
1883
1884static void register_cocoa(void)
1885{
1886    qemu_display_register(&qemu_display_cocoa);
1887}
1888
1889type_init(register_cocoa);
1890