xref: /openbmc/qemu/ui/cocoa.m (revision 940e43aa)
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    NSURL *full_file_url;
1182
1183    /* iterate thru the possible paths until the file is found */
1184    int index;
1185    for (index = 0; index < ARRAY_SIZE(path_array); index++) {
1186        full_file_path = [[NSBundle mainBundle] executablePath];
1187        full_file_path = [full_file_path stringByDeletingLastPathComponent];
1188        full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
1189                          path_array[index], filename];
1190        full_file_url = [NSURL fileURLWithPath: full_file_path
1191                                   isDirectory: false];
1192        if ([[NSWorkspace sharedWorkspace] openURL: full_file_url] == YES) {
1193            return;
1194        }
1195    }
1196
1197    /* If none of the paths opened a file */
1198    NSBeep();
1199    QEMU_Alert(@"Failed to open file");
1200}
1201
1202- (void)showQEMUDoc:(id)sender
1203{
1204    COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
1205
1206    [self openDocumentation: @"index.html"];
1207}
1208
1209/* Stretches video to fit host monitor size */
1210- (void)zoomToFit:(id) sender
1211{
1212    stretch_video = !stretch_video;
1213    if (stretch_video == true) {
1214        [sender setState: NSControlStateValueOn];
1215    } else {
1216        [sender setState: NSControlStateValueOff];
1217    }
1218}
1219
1220/* Displays the console on the screen */
1221- (void)displayConsole:(id)sender
1222{
1223    console_select([sender tag]);
1224}
1225
1226/* Pause the guest */
1227- (void)pauseQEMU:(id)sender
1228{
1229    with_iothread_lock(^{
1230        qmp_stop(NULL);
1231    });
1232    [sender setEnabled: NO];
1233    [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
1234    [self displayPause];
1235}
1236
1237/* Resume running the guest operating system */
1238- (void)resumeQEMU:(id) sender
1239{
1240    with_iothread_lock(^{
1241        qmp_cont(NULL);
1242    });
1243    [sender setEnabled: NO];
1244    [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
1245    [self removePause];
1246}
1247
1248/* Displays the word pause on the screen */
1249- (void)displayPause
1250{
1251    /* Coordinates have to be calculated each time because the window can change its size */
1252    int xCoord, yCoord, width, height;
1253    xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
1254    yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
1255    width = [pauseLabel frame].size.width;
1256    height = [pauseLabel frame].size.height;
1257    [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
1258    [cocoaView addSubview: pauseLabel];
1259}
1260
1261/* Removes the word pause from the screen */
1262- (void)removePause
1263{
1264    [pauseLabel removeFromSuperview];
1265}
1266
1267/* Restarts QEMU */
1268- (void)restartQEMU:(id)sender
1269{
1270    with_iothread_lock(^{
1271        qmp_system_reset(NULL);
1272    });
1273}
1274
1275/* Powers down QEMU */
1276- (void)powerDownQEMU:(id)sender
1277{
1278    with_iothread_lock(^{
1279        qmp_system_powerdown(NULL);
1280    });
1281}
1282
1283/* Ejects the media.
1284 * Uses sender's tag to figure out the device to eject.
1285 */
1286- (void)ejectDeviceMedia:(id)sender
1287{
1288    NSString * drive;
1289    drive = [sender representedObject];
1290    if(drive == nil) {
1291        NSBeep();
1292        QEMU_Alert(@"Failed to find drive to eject!");
1293        return;
1294    }
1295
1296    __block Error *err = NULL;
1297    with_iothread_lock(^{
1298        qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
1299                  false, NULL, false, false, &err);
1300    });
1301    handleAnyDeviceErrors(err);
1302}
1303
1304/* Displays a dialog box asking the user to select an image file to load.
1305 * Uses sender's represented object value to figure out which drive to use.
1306 */
1307- (void)changeDeviceMedia:(id)sender
1308{
1309    /* Find the drive name */
1310    NSString * drive;
1311    drive = [sender representedObject];
1312    if(drive == nil) {
1313        NSBeep();
1314        QEMU_Alert(@"Could not find drive!");
1315        return;
1316    }
1317
1318    /* Display the file open dialog */
1319    NSOpenPanel * openPanel;
1320    openPanel = [NSOpenPanel openPanel];
1321    [openPanel setCanChooseFiles: YES];
1322    [openPanel setAllowsMultipleSelection: NO];
1323    [openPanel setAllowedFileTypes: supportedImageFileTypes];
1324    if([openPanel runModal] == NSModalResponseOK) {
1325        NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
1326        if(file == nil) {
1327            NSBeep();
1328            QEMU_Alert(@"Failed to convert URL to file path!");
1329            return;
1330        }
1331
1332        __block Error *err = NULL;
1333        with_iothread_lock(^{
1334            qmp_blockdev_change_medium(true,
1335                                       [drive cStringUsingEncoding:
1336                                                  NSASCIIStringEncoding],
1337                                       false, NULL,
1338                                       [file cStringUsingEncoding:
1339                                                 NSASCIIStringEncoding],
1340                                       true, "raw",
1341                                       false, 0,
1342                                       &err);
1343        });
1344        handleAnyDeviceErrors(err);
1345    }
1346}
1347
1348/* Verifies if the user really wants to quit */
1349- (BOOL)verifyQuit
1350{
1351    NSAlert *alert = [NSAlert new];
1352    [alert autorelease];
1353    [alert setMessageText: @"Are you sure you want to quit QEMU?"];
1354    [alert addButtonWithTitle: @"Cancel"];
1355    [alert addButtonWithTitle: @"Quit"];
1356    if([alert runModal] == NSAlertSecondButtonReturn) {
1357        return YES;
1358    } else {
1359        return NO;
1360    }
1361}
1362
1363/* The action method for the About menu item */
1364- (IBAction) do_about_menu_item: (id) sender
1365{
1366    [about_window makeKeyAndOrderFront: nil];
1367}
1368
1369/* Create and display the about dialog */
1370- (void)make_about_window
1371{
1372    /* Make the window */
1373    int x = 0, y = 0, about_width = 400, about_height = 200;
1374    NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
1375    about_window = [[NSWindow alloc] initWithContentRect:window_rect
1376                    styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
1377                    NSWindowStyleMaskMiniaturizable
1378                    backing:NSBackingStoreBuffered
1379                    defer:NO];
1380    [about_window setTitle: @"About"];
1381    [about_window setReleasedWhenClosed: NO];
1382    [about_window center];
1383    NSView *superView = [about_window contentView];
1384
1385    /* Create the dimensions of the picture */
1386    int picture_width = 80, picture_height = 80;
1387    x = (about_width - picture_width)/2;
1388    y = about_height - picture_height - 10;
1389    NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
1390
1391    /* Get the path to the QEMU binary */
1392    NSString *binary_name = [NSString stringWithCString: gArgv[0]
1393                                      encoding: NSASCIIStringEncoding];
1394    binary_name = [binary_name lastPathComponent];
1395    NSString *program_path = [[NSString alloc] initWithFormat: @"%@/%@",
1396    [[NSBundle mainBundle] bundlePath], binary_name];
1397
1398    /* Make the picture of QEMU */
1399    NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
1400                                                     picture_rect];
1401    NSImage *qemu_image = [[NSWorkspace sharedWorkspace] iconForFile:
1402                                                         program_path];
1403    [picture_view setImage: qemu_image];
1404    [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
1405    [superView addSubview: picture_view];
1406
1407    /* Make the name label */
1408    x = 0;
1409    y = y - 25;
1410    int name_width = about_width, name_height = 20;
1411    NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
1412    NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
1413    [name_label setEditable: NO];
1414    [name_label setBezeled: NO];
1415    [name_label setDrawsBackground: NO];
1416    [name_label setAlignment: NSTextAlignmentCenter];
1417    NSString *qemu_name = [[NSString alloc] initWithCString: gArgv[0]
1418                                            encoding: NSASCIIStringEncoding];
1419    qemu_name = [qemu_name lastPathComponent];
1420    [name_label setStringValue: qemu_name];
1421    [superView addSubview: name_label];
1422
1423    /* Set the version label's attributes */
1424    x = 0;
1425    y = 50;
1426    int version_width = about_width, version_height = 20;
1427    NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
1428    NSTextField *version_label = [[NSTextField alloc] initWithFrame:
1429                                                      version_rect];
1430    [version_label setEditable: NO];
1431    [version_label setBezeled: NO];
1432    [version_label setAlignment: NSTextAlignmentCenter];
1433    [version_label setDrawsBackground: NO];
1434
1435    /* Create the version string*/
1436    NSString *version_string;
1437    version_string = [[NSString alloc] initWithFormat:
1438    @"QEMU emulator version %s", QEMU_FULL_VERSION];
1439    [version_label setStringValue: version_string];
1440    [superView addSubview: version_label];
1441
1442    /* Make copyright label */
1443    x = 0;
1444    y = 35;
1445    int copyright_width = about_width, copyright_height = 20;
1446    NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
1447    NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
1448                                                        copyright_rect];
1449    [copyright_label setEditable: NO];
1450    [copyright_label setBezeled: NO];
1451    [copyright_label setDrawsBackground: NO];
1452    [copyright_label setAlignment: NSTextAlignmentCenter];
1453    [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
1454                                     QEMU_COPYRIGHT]];
1455    [superView addSubview: copyright_label];
1456}
1457
1458/* Used by the Speed menu items */
1459- (void)adjustSpeed:(id)sender
1460{
1461    int throttle_pct; /* throttle percentage */
1462    NSMenu *menu;
1463
1464    menu = [sender menu];
1465    if (menu != nil)
1466    {
1467        /* Unselect the currently selected item */
1468        for (NSMenuItem *item in [menu itemArray]) {
1469            if (item.state == NSControlStateValueOn) {
1470                [item setState: NSControlStateValueOff];
1471                break;
1472            }
1473        }
1474    }
1475
1476    // check the menu item
1477    [sender setState: NSControlStateValueOn];
1478
1479    // get the throttle percentage
1480    throttle_pct = [sender tag];
1481
1482    with_iothread_lock(^{
1483        cpu_throttle_set(throttle_pct);
1484    });
1485    COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
1486}
1487
1488@end
1489
1490@interface QemuApplication : NSApplication
1491@end
1492
1493@implementation QemuApplication
1494- (void)sendEvent:(NSEvent *)event
1495{
1496    COCOA_DEBUG("QemuApplication: sendEvent\n");
1497    if (![cocoaView handleEvent:event]) {
1498        [super sendEvent: event];
1499    }
1500}
1501@end
1502
1503static void create_initial_menus(void)
1504{
1505    // Add menus
1506    NSMenu      *menu;
1507    NSMenuItem  *menuItem;
1508
1509    [NSApp setMainMenu:[[NSMenu alloc] init]];
1510
1511    // Application menu
1512    menu = [[NSMenu alloc] initWithTitle:@""];
1513    [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
1514    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1515    [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1516    menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1517    [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
1518    [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1519    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1520    [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1521    menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1522    [menuItem setSubmenu:menu];
1523    [[NSApp mainMenu] addItem:menuItem];
1524    [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1525
1526    // Machine menu
1527    menu = [[NSMenu alloc] initWithTitle: @"Machine"];
1528    [menu setAutoenablesItems: NO];
1529    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
1530    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
1531    [menu addItem: menuItem];
1532    [menuItem setEnabled: NO];
1533    [menu addItem: [NSMenuItem separatorItem]];
1534    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
1535    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
1536    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
1537    [menuItem setSubmenu:menu];
1538    [[NSApp mainMenu] addItem:menuItem];
1539
1540    // View menu
1541    menu = [[NSMenu alloc] initWithTitle:@"View"];
1542    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1543    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1544    menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1545    [menuItem setSubmenu:menu];
1546    [[NSApp mainMenu] addItem:menuItem];
1547
1548    // Speed menu
1549    menu = [[NSMenu alloc] initWithTitle:@"Speed"];
1550
1551    // Add the rest of the Speed menu items
1552    int p, percentage, throttle_pct;
1553    for (p = 10; p >= 0; p--)
1554    {
1555        percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
1556
1557        menuItem = [[[NSMenuItem alloc]
1558                   initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
1559
1560        if (percentage == 100) {
1561            [menuItem setState: NSControlStateValueOn];
1562        }
1563
1564        /* Calculate the throttle percentage */
1565        throttle_pct = -1 * percentage + 100;
1566
1567        [menuItem setTag: throttle_pct];
1568        [menu addItem: menuItem];
1569    }
1570    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
1571    [menuItem setSubmenu:menu];
1572    [[NSApp mainMenu] addItem:menuItem];
1573
1574    // Window menu
1575    menu = [[NSMenu alloc] initWithTitle:@"Window"];
1576    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1577    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1578    [menuItem setSubmenu:menu];
1579    [[NSApp mainMenu] addItem:menuItem];
1580    [NSApp setWindowsMenu:menu];
1581
1582    // Help menu
1583    menu = [[NSMenu alloc] initWithTitle:@"Help"];
1584    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1585    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1586    [menuItem setSubmenu:menu];
1587    [[NSApp mainMenu] addItem:menuItem];
1588}
1589
1590/* Returns a name for a given console */
1591static NSString * getConsoleName(QemuConsole * console)
1592{
1593    return [NSString stringWithFormat: @"%s", qemu_console_get_label(console)];
1594}
1595
1596/* Add an entry to the View menu for each console */
1597static void add_console_menu_entries(void)
1598{
1599    NSMenu *menu;
1600    NSMenuItem *menuItem;
1601    int index = 0;
1602
1603    menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
1604
1605    [menu addItem:[NSMenuItem separatorItem]];
1606
1607    while (qemu_console_lookup_by_index(index) != NULL) {
1608        menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
1609                                               action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
1610        [menuItem setTag: index];
1611        [menu addItem: menuItem];
1612        index++;
1613    }
1614}
1615
1616/* Make menu items for all removable devices.
1617 * Each device is given an 'Eject' and 'Change' menu item.
1618 */
1619static void addRemovableDevicesMenuItems(void)
1620{
1621    NSMenu *menu;
1622    NSMenuItem *menuItem;
1623    BlockInfoList *currentDevice, *pointerToFree;
1624    NSString *deviceName;
1625
1626    currentDevice = qmp_query_block(NULL);
1627    pointerToFree = currentDevice;
1628    if(currentDevice == NULL) {
1629        NSBeep();
1630        QEMU_Alert(@"Failed to query for block devices!");
1631        return;
1632    }
1633
1634    menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
1635
1636    // Add a separator between related groups of menu items
1637    [menu addItem:[NSMenuItem separatorItem]];
1638
1639    // Set the attributes to the "Removable Media" menu item
1640    NSString *titleString = @"Removable Media";
1641    NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
1642    NSColor *newColor = [NSColor blackColor];
1643    NSFontManager *fontManager = [NSFontManager sharedFontManager];
1644    NSFont *font = [fontManager fontWithFamily:@"Helvetica"
1645                                          traits:NSBoldFontMask|NSItalicFontMask
1646                                          weight:0
1647                                            size:14];
1648    [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
1649    [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
1650    [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
1651
1652    // Add the "Removable Media" menu item
1653    menuItem = [NSMenuItem new];
1654    [menuItem setAttributedTitle: attString];
1655    [menuItem setEnabled: NO];
1656    [menu addItem: menuItem];
1657
1658    /* Loop through all the block devices in the emulator */
1659    while (currentDevice) {
1660        deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
1661
1662        if(currentDevice->value->removable) {
1663            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
1664                                                  action: @selector(changeDeviceMedia:)
1665                                           keyEquivalent: @""];
1666            [menu addItem: menuItem];
1667            [menuItem setRepresentedObject: deviceName];
1668            [menuItem autorelease];
1669
1670            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
1671                                                  action: @selector(ejectDeviceMedia:)
1672                                           keyEquivalent: @""];
1673            [menu addItem: menuItem];
1674            [menuItem setRepresentedObject: deviceName];
1675            [menuItem autorelease];
1676        }
1677        currentDevice = currentDevice->next;
1678    }
1679    qapi_free_BlockInfoList(pointerToFree);
1680}
1681
1682/*
1683 * The startup process for the OSX/Cocoa UI is complicated, because
1684 * OSX insists that the UI runs on the initial main thread, and so we
1685 * need to start a second thread which runs the vl.c qemu_main():
1686 *
1687 * Initial thread:                    2nd thread:
1688 * in main():
1689 *  create qemu-main thread
1690 *  wait on display_init semaphore
1691 *                                    call qemu_main()
1692 *                                    ...
1693 *                                    in cocoa_display_init():
1694 *                                     post the display_init semaphore
1695 *                                     wait on app_started semaphore
1696 *  create application, menus, etc
1697 *  enter OSX run loop
1698 * in applicationDidFinishLaunching:
1699 *  post app_started semaphore
1700 *                                     tell main thread to fullscreen if needed
1701 *                                    [...]
1702 *                                    run qemu main-loop
1703 *
1704 * We do this in two stages so that we don't do the creation of the
1705 * GUI application menus and so on for command line options like --help
1706 * where we want to just print text to stdout and exit immediately.
1707 */
1708
1709static void *call_qemu_main(void *opaque)
1710{
1711    int status;
1712
1713    COCOA_DEBUG("Second thread: calling qemu_main()\n");
1714    status = qemu_main(gArgc, gArgv, *_NSGetEnviron());
1715    COCOA_DEBUG("Second thread: qemu_main() returned, exiting\n");
1716    exit(status);
1717}
1718
1719int main (int argc, const char * argv[]) {
1720    QemuThread thread;
1721
1722    COCOA_DEBUG("Entered main()\n");
1723    gArgc = argc;
1724    gArgv = (char **)argv;
1725
1726    qemu_sem_init(&display_init_sem, 0);
1727    qemu_sem_init(&app_started_sem, 0);
1728
1729    qemu_thread_create(&thread, "qemu_main", call_qemu_main,
1730                       NULL, QEMU_THREAD_DETACHED);
1731
1732    COCOA_DEBUG("Main thread: waiting for display_init_sem\n");
1733    qemu_sem_wait(&display_init_sem);
1734    COCOA_DEBUG("Main thread: initializing app\n");
1735
1736    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1737
1738    // Pull this console process up to being a fully-fledged graphical
1739    // app with a menubar and Dock icon
1740    ProcessSerialNumber psn = { 0, kCurrentProcess };
1741    TransformProcessType(&psn, kProcessTransformToForegroundApplication);
1742
1743    [QemuApplication sharedApplication];
1744
1745    create_initial_menus();
1746
1747    /*
1748     * Create the menu entries which depend on QEMU state (for consoles
1749     * and removeable devices). These make calls back into QEMU functions,
1750     * which is OK because at this point we know that the second thread
1751     * holds the iothread lock and is synchronously waiting for us to
1752     * finish.
1753     */
1754    add_console_menu_entries();
1755    addRemovableDevicesMenuItems();
1756
1757    // Create an Application controller
1758    QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1759    [NSApp setDelegate:appController];
1760
1761    // Start the main event loop
1762    COCOA_DEBUG("Main thread: entering OSX run loop\n");
1763    [NSApp run];
1764    COCOA_DEBUG("Main thread: left OSX run loop, exiting\n");
1765
1766    [appController release];
1767    [pool release];
1768
1769    return 0;
1770}
1771
1772
1773
1774#pragma mark qemu
1775static void cocoa_update(DisplayChangeListener *dcl,
1776                         int x, int y, int w, int h)
1777{
1778    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1779
1780    COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1781
1782    dispatch_async(dispatch_get_main_queue(), ^{
1783        NSRect rect;
1784        if ([cocoaView cdx] == 1.0) {
1785            rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1786        } else {
1787            rect = NSMakeRect(
1788                x * [cocoaView cdx],
1789                ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1790                w * [cocoaView cdx],
1791                h * [cocoaView cdy]);
1792        }
1793        [cocoaView setNeedsDisplayInRect:rect];
1794    });
1795
1796    [pool release];
1797}
1798
1799static void cocoa_switch(DisplayChangeListener *dcl,
1800                         DisplaySurface *surface)
1801{
1802    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1803    pixman_image_t *image = surface->image;
1804
1805    COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1806
1807    // The DisplaySurface will be freed as soon as this callback returns.
1808    // We take a reference to the underlying pixman image here so it does
1809    // not disappear from under our feet; the switchSurface method will
1810    // deref the old image when it is done with it.
1811    pixman_image_ref(image);
1812
1813    dispatch_async(dispatch_get_main_queue(), ^{
1814        [cocoaView switchSurface:image];
1815    });
1816    [pool release];
1817}
1818
1819static void cocoa_refresh(DisplayChangeListener *dcl)
1820{
1821    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1822
1823    COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1824    graphic_hw_update(NULL);
1825
1826    if (qemu_input_is_absolute()) {
1827        dispatch_async(dispatch_get_main_queue(), ^{
1828            if (![cocoaView isAbsoluteEnabled]) {
1829                if ([cocoaView isMouseGrabbed]) {
1830                    [cocoaView ungrabMouse];
1831                }
1832            }
1833            [cocoaView setAbsoluteEnabled:YES];
1834        });
1835    }
1836    [pool release];
1837}
1838
1839static void cocoa_cleanup(void)
1840{
1841    COCOA_DEBUG("qemu_cocoa: cocoa_cleanup\n");
1842    g_free(dcl);
1843}
1844
1845static const DisplayChangeListenerOps dcl_ops = {
1846    .dpy_name          = "cocoa",
1847    .dpy_gfx_update = cocoa_update,
1848    .dpy_gfx_switch = cocoa_switch,
1849    .dpy_refresh = cocoa_refresh,
1850};
1851
1852static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
1853{
1854    COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1855
1856    /* Tell main thread to go ahead and create the app and enter the run loop */
1857    qemu_sem_post(&display_init_sem);
1858    qemu_sem_wait(&app_started_sem);
1859    COCOA_DEBUG("cocoa_display_init: app start completed\n");
1860
1861    /* if fullscreen mode is to be used */
1862    if (opts->has_full_screen && opts->full_screen) {
1863        dispatch_async(dispatch_get_main_queue(), ^{
1864            [NSApp activateIgnoringOtherApps: YES];
1865            [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1866        });
1867    }
1868    if (opts->has_show_cursor && opts->show_cursor) {
1869        cursor_hide = 0;
1870    }
1871
1872    dcl = g_malloc0(sizeof(DisplayChangeListener));
1873
1874    // register vga output callbacks
1875    dcl->ops = &dcl_ops;
1876    register_displaychangelistener(dcl);
1877
1878    // register cleanup function
1879    atexit(cocoa_cleanup);
1880}
1881
1882static QemuDisplay qemu_display_cocoa = {
1883    .type       = DISPLAY_TYPE_COCOA,
1884    .init       = cocoa_display_init,
1885};
1886
1887static void register_cocoa(void)
1888{
1889    qemu_display_register(&qemu_display_cocoa);
1890}
1891
1892type_init(register_cocoa);
1893