xref: /openbmc/qemu/ui/cocoa.m (revision cba42d61)
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} QEMUScreen;
74
75static void cocoa_update(DisplayChangeListener *dcl,
76                         int x, int y, int w, int h);
77
78static void cocoa_switch(DisplayChangeListener *dcl,
79                         DisplaySurface *surface);
80
81static void cocoa_refresh(DisplayChangeListener *dcl);
82
83NSWindow *normalWindow, *about_window;
84static const DisplayChangeListenerOps dcl_ops = {
85    .dpy_name          = "cocoa",
86    .dpy_gfx_update = cocoa_update,
87    .dpy_gfx_switch = cocoa_switch,
88    .dpy_refresh = cocoa_refresh,
89};
90static DisplayChangeListener dcl = {
91    .ops = &dcl_ops,
92};
93static int last_buttons;
94static int cursor_hide = 1;
95
96int gArgc;
97char **gArgv;
98bool stretch_video;
99NSTextField *pauseLabel;
100NSArray * supportedImageFileTypes;
101
102static QemuSemaphore display_init_sem;
103static QemuSemaphore app_started_sem;
104static bool allow_events;
105
106// Utility functions to run specified code block with iothread lock held
107typedef void (^CodeBlock)(void);
108typedef bool (^BoolCodeBlock)(void);
109
110static void with_iothread_lock(CodeBlock block)
111{
112    bool locked = qemu_mutex_iothread_locked();
113    if (!locked) {
114        qemu_mutex_lock_iothread();
115    }
116    block();
117    if (!locked) {
118        qemu_mutex_unlock_iothread();
119    }
120}
121
122static bool bool_with_iothread_lock(BoolCodeBlock block)
123{
124    bool locked = qemu_mutex_iothread_locked();
125    bool val;
126
127    if (!locked) {
128        qemu_mutex_lock_iothread();
129    }
130    val = block();
131    if (!locked) {
132        qemu_mutex_unlock_iothread();
133    }
134    return val;
135}
136
137// Mac to QKeyCode conversion
138const int mac_to_qkeycode_map[] = {
139    [kVK_ANSI_A] = Q_KEY_CODE_A,
140    [kVK_ANSI_B] = Q_KEY_CODE_B,
141    [kVK_ANSI_C] = Q_KEY_CODE_C,
142    [kVK_ANSI_D] = Q_KEY_CODE_D,
143    [kVK_ANSI_E] = Q_KEY_CODE_E,
144    [kVK_ANSI_F] = Q_KEY_CODE_F,
145    [kVK_ANSI_G] = Q_KEY_CODE_G,
146    [kVK_ANSI_H] = Q_KEY_CODE_H,
147    [kVK_ANSI_I] = Q_KEY_CODE_I,
148    [kVK_ANSI_J] = Q_KEY_CODE_J,
149    [kVK_ANSI_K] = Q_KEY_CODE_K,
150    [kVK_ANSI_L] = Q_KEY_CODE_L,
151    [kVK_ANSI_M] = Q_KEY_CODE_M,
152    [kVK_ANSI_N] = Q_KEY_CODE_N,
153    [kVK_ANSI_O] = Q_KEY_CODE_O,
154    [kVK_ANSI_P] = Q_KEY_CODE_P,
155    [kVK_ANSI_Q] = Q_KEY_CODE_Q,
156    [kVK_ANSI_R] = Q_KEY_CODE_R,
157    [kVK_ANSI_S] = Q_KEY_CODE_S,
158    [kVK_ANSI_T] = Q_KEY_CODE_T,
159    [kVK_ANSI_U] = Q_KEY_CODE_U,
160    [kVK_ANSI_V] = Q_KEY_CODE_V,
161    [kVK_ANSI_W] = Q_KEY_CODE_W,
162    [kVK_ANSI_X] = Q_KEY_CODE_X,
163    [kVK_ANSI_Y] = Q_KEY_CODE_Y,
164    [kVK_ANSI_Z] = Q_KEY_CODE_Z,
165
166    [kVK_ANSI_0] = Q_KEY_CODE_0,
167    [kVK_ANSI_1] = Q_KEY_CODE_1,
168    [kVK_ANSI_2] = Q_KEY_CODE_2,
169    [kVK_ANSI_3] = Q_KEY_CODE_3,
170    [kVK_ANSI_4] = Q_KEY_CODE_4,
171    [kVK_ANSI_5] = Q_KEY_CODE_5,
172    [kVK_ANSI_6] = Q_KEY_CODE_6,
173    [kVK_ANSI_7] = Q_KEY_CODE_7,
174    [kVK_ANSI_8] = Q_KEY_CODE_8,
175    [kVK_ANSI_9] = Q_KEY_CODE_9,
176
177    [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
178    [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
179    [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
180    [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
181    [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
182    [kVK_Tab] = Q_KEY_CODE_TAB,
183    [kVK_Return] = Q_KEY_CODE_RET,
184    [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
185    [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
186    [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
187    [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
188    [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
189    [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
190    [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
191    [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
192    [kVK_Shift] = Q_KEY_CODE_SHIFT,
193    [kVK_RightShift] = Q_KEY_CODE_SHIFT_R,
194    [kVK_Control] = Q_KEY_CODE_CTRL,
195    [kVK_RightControl] = Q_KEY_CODE_CTRL_R,
196    [kVK_Option] = Q_KEY_CODE_ALT,
197    [kVK_RightOption] = Q_KEY_CODE_ALT_R,
198    [kVK_Command] = Q_KEY_CODE_META_L,
199    [0x36] = Q_KEY_CODE_META_R, /* There is no kVK_RightCommand */
200    [kVK_Space] = Q_KEY_CODE_SPC,
201
202    [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
203    [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
204    [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
205    [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
206    [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
207    [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
208    [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
209    [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
210    [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
211    [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
212    [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
213    [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
214    [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
215    [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
216    [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
217    [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
218    [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
219    [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
220
221    [kVK_UpArrow] = Q_KEY_CODE_UP,
222    [kVK_DownArrow] = Q_KEY_CODE_DOWN,
223    [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
224    [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
225
226    [kVK_Help] = Q_KEY_CODE_INSERT,
227    [kVK_Home] = Q_KEY_CODE_HOME,
228    [kVK_PageUp] = Q_KEY_CODE_PGUP,
229    [kVK_PageDown] = Q_KEY_CODE_PGDN,
230    [kVK_End] = Q_KEY_CODE_END,
231    [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
232
233    [kVK_Escape] = Q_KEY_CODE_ESC,
234
235    /* The Power key can't be used directly because the operating system uses
236     * it. This key can be emulated by using it in place of another key such as
237     * F1. Don't forget to disable the real key binding.
238     */
239    /* [kVK_F1] = Q_KEY_CODE_POWER, */
240
241    [kVK_F1] = Q_KEY_CODE_F1,
242    [kVK_F2] = Q_KEY_CODE_F2,
243    [kVK_F3] = Q_KEY_CODE_F3,
244    [kVK_F4] = Q_KEY_CODE_F4,
245    [kVK_F5] = Q_KEY_CODE_F5,
246    [kVK_F6] = Q_KEY_CODE_F6,
247    [kVK_F7] = Q_KEY_CODE_F7,
248    [kVK_F8] = Q_KEY_CODE_F8,
249    [kVK_F9] = Q_KEY_CODE_F9,
250    [kVK_F10] = Q_KEY_CODE_F10,
251    [kVK_F11] = Q_KEY_CODE_F11,
252    [kVK_F12] = Q_KEY_CODE_F12,
253    [kVK_F13] = Q_KEY_CODE_PRINT,
254    [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
255    [kVK_F15] = Q_KEY_CODE_PAUSE,
256
257    // JIS keyboards only
258    [kVK_JIS_Yen] = Q_KEY_CODE_YEN,
259    [kVK_JIS_Underscore] = Q_KEY_CODE_RO,
260    [kVK_JIS_KeypadComma] = Q_KEY_CODE_KP_COMMA,
261    [kVK_JIS_Eisu] = Q_KEY_CODE_MUHENKAN,
262    [kVK_JIS_Kana] = Q_KEY_CODE_HENKAN,
263
264    /*
265     * The eject and volume keys can't be used here because they are handled at
266     * a lower level than what an Application can see.
267     */
268};
269
270static int cocoa_keycode_to_qemu(int keycode)
271{
272    if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
273        error_report("(cocoa) warning unknown keycode 0x%x", keycode);
274        return 0;
275    }
276    return mac_to_qkeycode_map[keycode];
277}
278
279/* Displays an alert dialog box with the specified message */
280static void QEMU_Alert(NSString *message)
281{
282    NSAlert *alert;
283    alert = [NSAlert new];
284    [alert setMessageText: message];
285    [alert runModal];
286}
287
288/* Handles any errors that happen with a device transaction */
289static void handleAnyDeviceErrors(Error * err)
290{
291    if (err) {
292        QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
293                                      encoding: NSASCIIStringEncoding]);
294        error_free(err);
295    }
296}
297
298/*
299 ------------------------------------------------------
300    QemuCocoaView
301 ------------------------------------------------------
302*/
303@interface QemuCocoaView : NSView
304{
305    QEMUScreen screen;
306    NSWindow *fullScreenWindow;
307    float cx,cy,cw,ch,cdx,cdy;
308    pixman_image_t *pixman_image;
309    BOOL modifiers_state[256];
310    BOOL isMouseGrabbed;
311    BOOL isFullscreen;
312    BOOL isAbsoluteEnabled;
313    BOOL isMouseDeassociated;
314}
315- (void) switchSurface:(pixman_image_t *)image;
316- (void) grabMouse;
317- (void) ungrabMouse;
318- (void) toggleFullScreen:(id)sender;
319- (void) handleMonitorInput:(NSEvent *)event;
320- (bool) handleEvent:(NSEvent *)event;
321- (bool) handleEventLocked:(NSEvent *)event;
322- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
323/* The state surrounding mouse grabbing is potentially confusing.
324 * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
325 *   pointing device an absolute-position one?"], but is only updated on
326 *   next refresh.
327 * isMouseGrabbed tracks whether GUI events are directed to the guest;
328 *   it controls whether special keys like Cmd get sent to the guest,
329 *   and whether we capture the mouse when in non-absolute mode.
330 * isMouseDeassociated tracks whether we've told MacOSX to disassociate
331 *   the mouse and mouse cursor position by calling
332 *   CGAssociateMouseAndMouseCursorPosition(FALSE)
333 *   (which basically happens if we grab in non-absolute mode).
334 */
335- (BOOL) isMouseGrabbed;
336- (BOOL) isAbsoluteEnabled;
337- (BOOL) isMouseDeassociated;
338- (float) cdx;
339- (float) cdy;
340- (QEMUScreen) gscreen;
341- (void) raiseAllKeys;
342@end
343
344QemuCocoaView *cocoaView;
345
346@implementation QemuCocoaView
347- (id)initWithFrame:(NSRect)frameRect
348{
349    COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
350
351    self = [super initWithFrame:frameRect];
352    if (self) {
353
354        screen.width = frameRect.size.width;
355        screen.height = frameRect.size.height;
356
357    }
358    return self;
359}
360
361- (void) dealloc
362{
363    COCOA_DEBUG("QemuCocoaView: dealloc\n");
364
365    if (pixman_image) {
366        pixman_image_unref(pixman_image);
367    }
368
369    [super dealloc];
370}
371
372- (BOOL) isOpaque
373{
374    return YES;
375}
376
377- (BOOL) screenContainsPoint:(NSPoint) p
378{
379    return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
380}
381
382/* Get location of event and convert to virtual screen coordinate */
383- (CGPoint) screenLocationOfEvent:(NSEvent *)ev
384{
385    NSWindow *eventWindow = [ev window];
386    // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
387    CGRect r = CGRectZero;
388    r.origin = [ev locationInWindow];
389    if (!eventWindow) {
390        if (!isFullscreen) {
391            return [[self window] convertRectFromScreen:r].origin;
392        } else {
393            CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
394            CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
395            if (stretch_video) {
396                loc.x /= cdx;
397                loc.y /= cdy;
398            }
399            return loc;
400        }
401    } else if ([[self window] isEqual:eventWindow]) {
402        if (!isFullscreen) {
403            return r.origin;
404        } else {
405            CGPoint loc = [self convertPoint:r.origin fromView:nil];
406            if (stretch_video) {
407                loc.x /= cdx;
408                loc.y /= cdy;
409            }
410            return loc;
411        }
412    } else {
413        return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
414    }
415}
416
417- (void) hideCursor
418{
419    if (!cursor_hide) {
420        return;
421    }
422    [NSCursor hide];
423}
424
425- (void) unhideCursor
426{
427    if (!cursor_hide) {
428        return;
429    }
430    [NSCursor unhide];
431}
432
433- (void) drawRect:(NSRect) rect
434{
435    COCOA_DEBUG("QemuCocoaView: drawRect\n");
436
437    // get CoreGraphic context
438    CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
439
440    CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
441    CGContextSetShouldAntialias (viewContextRef, NO);
442
443    // draw screen bitmap directly to Core Graphics context
444    if (!pixman_image) {
445        // Draw request before any guest device has set up a framebuffer:
446        // just draw an opaque black rectangle
447        CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
448        CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
449    } else {
450        int w = pixman_image_get_width(pixman_image);
451        int h = pixman_image_get_height(pixman_image);
452        int bitsPerPixel = PIXMAN_FORMAT_BPP(pixman_image_get_format(pixman_image));
453        int stride = pixman_image_get_stride(pixman_image);
454        CGDataProviderRef dataProviderRef = CGDataProviderCreateWithData(
455            NULL,
456            pixman_image_get_data(pixman_image),
457            stride * h,
458            NULL
459        );
460        CGImageRef imageRef = CGImageCreate(
461            w, //width
462            h, //height
463            DIV_ROUND_UP(bitsPerPixel, 8) * 2, //bitsPerComponent
464            bitsPerPixel, //bitsPerPixel
465            stride, //bytesPerRow
466#ifdef __LITTLE_ENDIAN__
467            CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
468            kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
469#else
470            CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
471            kCGImageAlphaNoneSkipFirst, //bitmapInfo
472#endif
473            dataProviderRef, //provider
474            NULL, //decode
475            0, //interpolate
476            kCGRenderingIntentDefault //intent
477        );
478        // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
479        const NSRect *rectList;
480        NSInteger rectCount;
481        int i;
482        CGImageRef clipImageRef;
483        CGRect clipRect;
484
485        [self getRectsBeingDrawn:&rectList count:&rectCount];
486        for (i = 0; i < rectCount; i++) {
487            clipRect.origin.x = rectList[i].origin.x / cdx;
488            clipRect.origin.y = (float)h - (rectList[i].origin.y + rectList[i].size.height) / cdy;
489            clipRect.size.width = rectList[i].size.width / cdx;
490            clipRect.size.height = rectList[i].size.height / cdy;
491            clipImageRef = CGImageCreateWithImageInRect(
492                                                        imageRef,
493                                                        clipRect
494                                                        );
495            CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
496            CGImageRelease (clipImageRef);
497        }
498        CGImageRelease (imageRef);
499        CGDataProviderRelease(dataProviderRef);
500    }
501}
502
503- (void) setContentDimensions
504{
505    COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
506
507    if (isFullscreen) {
508        cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
509        cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
510
511        /* stretches video, but keeps same aspect ratio */
512        if (stretch_video == true) {
513            /* use smallest stretch value - prevents clipping on sides */
514            if (MIN(cdx, cdy) == cdx) {
515                cdy = cdx;
516            } else {
517                cdx = cdy;
518            }
519        } else {  /* No stretching */
520            cdx = cdy = 1;
521        }
522        cw = screen.width * cdx;
523        ch = screen.height * cdy;
524        cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
525        cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
526    } else {
527        cx = 0;
528        cy = 0;
529        cw = screen.width;
530        ch = screen.height;
531        cdx = 1.0;
532        cdy = 1.0;
533    }
534}
535
536- (void) switchSurface:(pixman_image_t *)image
537{
538    COCOA_DEBUG("QemuCocoaView: switchSurface\n");
539
540    int w = pixman_image_get_width(image);
541    int h = pixman_image_get_height(image);
542    /* cdx == 0 means this is our very first surface, in which case we need
543     * to recalculate the content dimensions even if it happens to be the size
544     * of the initial empty window.
545     */
546    bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
547
548    int oldh = screen.height;
549    if (isResize) {
550        // Resize before we trigger the redraw, or we'll redraw at the wrong size
551        COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
552        screen.width = w;
553        screen.height = h;
554        [self setContentDimensions];
555        [self setFrame:NSMakeRect(cx, cy, cw, ch)];
556    }
557
558    // update screenBuffer
559    if (pixman_image) {
560        pixman_image_unref(pixman_image);
561    }
562
563    pixman_image = image;
564
565    // update windows
566    if (isFullscreen) {
567        [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
568        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
569    } else {
570        if (qemu_name)
571            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
572        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
573    }
574
575    if (isResize) {
576        [normalWindow center];
577    }
578}
579
580- (void) toggleFullScreen:(id)sender
581{
582    COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
583
584    if (isFullscreen) { // switch from fullscreen to desktop
585        isFullscreen = FALSE;
586        [self ungrabMouse];
587        [self setContentDimensions];
588        [fullScreenWindow close];
589        [normalWindow setContentView: self];
590        [normalWindow makeKeyAndOrderFront: self];
591        [NSMenu setMenuBarVisible:YES];
592    } else { // switch from desktop to fullscreen
593        isFullscreen = TRUE;
594        [normalWindow orderOut: nil]; /* Hide the window */
595        [self grabMouse];
596        [self setContentDimensions];
597        [NSMenu setMenuBarVisible:NO];
598        fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
599            styleMask:NSWindowStyleMaskBorderless
600            backing:NSBackingStoreBuffered
601            defer:NO];
602        [fullScreenWindow setAcceptsMouseMovedEvents: YES];
603        [fullScreenWindow setHasShadow:NO];
604        [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
605        [self setFrame:NSMakeRect(cx, cy, cw, ch)];
606        [[fullScreenWindow contentView] addSubview: self];
607        [fullScreenWindow makeKeyAndOrderFront:self];
608    }
609}
610
611- (void) toggleModifier: (int)keycode {
612    // Toggle the stored state.
613    modifiers_state[keycode] = !modifiers_state[keycode];
614    // Send a keyup or keydown depending on the state.
615    qemu_input_event_send_key_qcode(dcl.con, keycode, modifiers_state[keycode]);
616}
617
618- (void) toggleStatefulModifier: (int)keycode {
619    // Toggle the stored state.
620    modifiers_state[keycode] = !modifiers_state[keycode];
621    // Generate keydown and keyup.
622    qemu_input_event_send_key_qcode(dcl.con, keycode, true);
623    qemu_input_event_send_key_qcode(dcl.con, keycode, false);
624}
625
626// Does the work of sending input to the monitor
627- (void) handleMonitorInput:(NSEvent *)event
628{
629    int keysym = 0;
630    int control_key = 0;
631
632    // if the control key is down
633    if ([event modifierFlags] & NSEventModifierFlagControl) {
634        control_key = 1;
635    }
636
637    /* translates Macintosh keycodes to QEMU's keysym */
638
639    int without_control_translation[] = {
640        [0 ... 0xff] = 0,   // invalid key
641
642        [kVK_UpArrow]       = QEMU_KEY_UP,
643        [kVK_DownArrow]     = QEMU_KEY_DOWN,
644        [kVK_RightArrow]    = QEMU_KEY_RIGHT,
645        [kVK_LeftArrow]     = QEMU_KEY_LEFT,
646        [kVK_Home]          = QEMU_KEY_HOME,
647        [kVK_End]           = QEMU_KEY_END,
648        [kVK_PageUp]        = QEMU_KEY_PAGEUP,
649        [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
650        [kVK_ForwardDelete] = QEMU_KEY_DELETE,
651        [kVK_Delete]        = QEMU_KEY_BACKSPACE,
652    };
653
654    int with_control_translation[] = {
655        [0 ... 0xff] = 0,   // invalid key
656
657        [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
658        [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
659        [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
660        [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
661        [kVK_Home]          = QEMU_KEY_CTRL_HOME,
662        [kVK_End]           = QEMU_KEY_CTRL_END,
663        [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
664        [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
665    };
666
667    if (control_key != 0) { /* If the control key is being used */
668        if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
669            keysym = with_control_translation[[event keyCode]];
670        }
671    } else {
672        if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
673            keysym = without_control_translation[[event keyCode]];
674        }
675    }
676
677    // if not a key that needs translating
678    if (keysym == 0) {
679        NSString *ks = [event characters];
680        if ([ks length] > 0) {
681            keysym = [ks characterAtIndex:0];
682        }
683    }
684
685    if (keysym) {
686        kbd_put_keysym(keysym);
687    }
688}
689
690- (bool) handleEvent:(NSEvent *)event
691{
692    if(!allow_events) {
693        /*
694         * Just let OSX have all events that arrive before
695         * applicationDidFinishLaunching.
696         * This avoids a deadlock on the iothread lock, which cocoa_display_init()
697         * will not drop until after the app_started_sem is posted. (In theory
698         * there should not be any such events, but OSX Catalina now emits some.)
699         */
700        return false;
701    }
702    return bool_with_iothread_lock(^{
703        return [self handleEventLocked:event];
704    });
705}
706
707- (bool) handleEventLocked:(NSEvent *)event
708{
709    /* Return true if we handled the event, false if it should be given to OSX */
710    COCOA_DEBUG("QemuCocoaView: handleEvent\n");
711    int buttons = 0;
712    int keycode = 0;
713    bool mouse_event = false;
714    static bool switched_to_fullscreen = false;
715    // Location of event in virtual screen coordinates
716    NSPoint p = [self screenLocationOfEvent:event];
717
718    switch ([event type]) {
719        case NSEventTypeFlagsChanged:
720            if ([event keyCode] == 0) {
721                // When the Cocoa keyCode is zero that means keys should be
722                // synthesized based on the values in in the eventModifiers
723                // bitmask.
724
725                if (qemu_console_is_graphic(NULL)) {
726                    NSUInteger modifiers = [event modifierFlags];
727
728                    if (!!(modifiers & NSEventModifierFlagCapsLock) != !!modifiers_state[Q_KEY_CODE_CAPS_LOCK]) {
729                        [self toggleStatefulModifier:Q_KEY_CODE_CAPS_LOCK];
730                    }
731                    if (!!(modifiers & NSEventModifierFlagShift) != !!modifiers_state[Q_KEY_CODE_SHIFT]) {
732                        [self toggleModifier:Q_KEY_CODE_SHIFT];
733                    }
734                    if (!!(modifiers & NSEventModifierFlagControl) != !!modifiers_state[Q_KEY_CODE_CTRL]) {
735                        [self toggleModifier:Q_KEY_CODE_CTRL];
736                    }
737                    if (!!(modifiers & NSEventModifierFlagOption) != !!modifiers_state[Q_KEY_CODE_ALT]) {
738                        [self toggleModifier:Q_KEY_CODE_ALT];
739                    }
740                    if (!!(modifiers & NSEventModifierFlagCommand) != !!modifiers_state[Q_KEY_CODE_META_L]) {
741                        [self toggleModifier:Q_KEY_CODE_META_L];
742                    }
743                }
744            } else {
745                keycode = cocoa_keycode_to_qemu([event keyCode]);
746            }
747
748            if ((keycode == Q_KEY_CODE_META_L || keycode == Q_KEY_CODE_META_R)
749               && !isMouseGrabbed) {
750              /* Don't pass command key changes to guest unless mouse is grabbed */
751              keycode = 0;
752            }
753
754            if (keycode) {
755                // emulate caps lock and num lock keydown and keyup
756                if (keycode == Q_KEY_CODE_CAPS_LOCK ||
757                    keycode == Q_KEY_CODE_NUM_LOCK) {
758                    [self toggleStatefulModifier:keycode];
759                } else if (qemu_console_is_graphic(NULL)) {
760                    if (switched_to_fullscreen) {
761                        switched_to_fullscreen = false;
762                    } else {
763                        [self toggleModifier:keycode];
764                    }
765                }
766            }
767
768            break;
769        case NSEventTypeKeyDown:
770            keycode = cocoa_keycode_to_qemu([event keyCode]);
771
772            // forward command key combos to the host UI unless the mouse is grabbed
773            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
774                /*
775                 * Prevent the command key from being stuck down in the guest
776                 * when using Command-F to switch to full screen mode.
777                 */
778                if (keycode == Q_KEY_CODE_F) {
779                    switched_to_fullscreen = true;
780                }
781                return false;
782            }
783
784            // default
785
786            // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
787            if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
788                NSString *keychar = [event charactersIgnoringModifiers];
789                if ([keychar length] == 1) {
790                    char key = [keychar characterAtIndex:0];
791                    switch (key) {
792
793                        // enable graphic console
794                        case '1' ... '9':
795                            console_select(key - '0' - 1); /* ascii math */
796                            return true;
797
798                        // release the mouse grab
799                        case 'g':
800                            [self ungrabMouse];
801                            return true;
802                    }
803                }
804            }
805
806            if (qemu_console_is_graphic(NULL)) {
807                qemu_input_event_send_key_qcode(dcl.con, keycode, true);
808            } else {
809                [self handleMonitorInput: event];
810            }
811            break;
812        case NSEventTypeKeyUp:
813            keycode = cocoa_keycode_to_qemu([event keyCode]);
814
815            // don't pass the guest a spurious key-up if we treated this
816            // command-key combo as a host UI action
817            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
818                return true;
819            }
820
821            if (qemu_console_is_graphic(NULL)) {
822                qemu_input_event_send_key_qcode(dcl.con, keycode, false);
823            }
824            break;
825        case NSEventTypeMouseMoved:
826            if (isAbsoluteEnabled) {
827                // Cursor re-entered into a window might generate events bound to screen coordinates
828                // and `nil` window property, and in full screen mode, current window might not be
829                // key window, where event location alone should suffice.
830                if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
831                    if (isMouseGrabbed) {
832                        [self ungrabMouse];
833                    }
834                } else {
835                    if (!isMouseGrabbed) {
836                        [self grabMouse];
837                    }
838                }
839            }
840            mouse_event = true;
841            break;
842        case NSEventTypeLeftMouseDown:
843            buttons |= MOUSE_EVENT_LBUTTON;
844            mouse_event = true;
845            break;
846        case NSEventTypeRightMouseDown:
847            buttons |= MOUSE_EVENT_RBUTTON;
848            mouse_event = true;
849            break;
850        case NSEventTypeOtherMouseDown:
851            buttons |= MOUSE_EVENT_MBUTTON;
852            mouse_event = true;
853            break;
854        case NSEventTypeLeftMouseDragged:
855            buttons |= MOUSE_EVENT_LBUTTON;
856            mouse_event = true;
857            break;
858        case NSEventTypeRightMouseDragged:
859            buttons |= MOUSE_EVENT_RBUTTON;
860            mouse_event = true;
861            break;
862        case NSEventTypeOtherMouseDragged:
863            buttons |= MOUSE_EVENT_MBUTTON;
864            mouse_event = true;
865            break;
866        case NSEventTypeLeftMouseUp:
867            mouse_event = true;
868            if (!isMouseGrabbed && [self screenContainsPoint:p]) {
869                /*
870                 * In fullscreen mode, the window of cocoaView may not be the
871                 * key window, therefore the position relative to the virtual
872                 * screen alone will be sufficient.
873                 */
874                if(isFullscreen || [[self window] isKeyWindow]) {
875                    [self grabMouse];
876                }
877            }
878            break;
879        case NSEventTypeRightMouseUp:
880            mouse_event = true;
881            break;
882        case NSEventTypeOtherMouseUp:
883            mouse_event = true;
884            break;
885        case NSEventTypeScrollWheel:
886            /*
887             * Send wheel events to the guest regardless of window focus.
888             * This is in-line with standard Mac OS X UI behaviour.
889             */
890
891            /*
892             * When deltaY is zero, it means that this scrolling event was
893             * either horizontal, or so fine that it only appears in
894             * scrollingDeltaY. So we drop the event.
895             */
896            if ([event deltaY] != 0) {
897            /* Determine if this is a scroll up or scroll down event */
898                buttons = ([event deltaY] > 0) ?
899                    INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
900                qemu_input_queue_btn(dcl.con, buttons, true);
901                qemu_input_event_sync();
902                qemu_input_queue_btn(dcl.con, buttons, false);
903                qemu_input_event_sync();
904            }
905            /*
906             * Since deltaY also reports scroll wheel events we prevent mouse
907             * movement code from executing.
908             */
909            mouse_event = false;
910            break;
911        default:
912            return false;
913    }
914
915    if (mouse_event) {
916        /* Don't send button events to the guest unless we've got a
917         * mouse grab or window focus. If we have neither then this event
918         * is the user clicking on the background window to activate and
919         * bring us to the front, which will be done by the sendEvent
920         * call below. We definitely don't want to pass that click through
921         * to the guest.
922         */
923        if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
924            (last_buttons != buttons)) {
925            static uint32_t bmap[INPUT_BUTTON__MAX] = {
926                [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
927                [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
928                [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
929            };
930            qemu_input_update_buttons(dcl.con, bmap, last_buttons, buttons);
931            last_buttons = buttons;
932        }
933        if (isMouseGrabbed) {
934            if (isAbsoluteEnabled) {
935                /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
936                 * The check on screenContainsPoint is to avoid sending out of range values for
937                 * clicks in the titlebar.
938                 */
939                if ([self screenContainsPoint:p]) {
940                    qemu_input_queue_abs(dcl.con, INPUT_AXIS_X, p.x, 0, screen.width);
941                    qemu_input_queue_abs(dcl.con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
942                }
943            } else {
944                qemu_input_queue_rel(dcl.con, INPUT_AXIS_X, (int)[event deltaX]);
945                qemu_input_queue_rel(dcl.con, INPUT_AXIS_Y, (int)[event deltaY]);
946            }
947        } else {
948            return false;
949        }
950        qemu_input_event_sync();
951    }
952    return true;
953}
954
955- (void) grabMouse
956{
957    COCOA_DEBUG("QemuCocoaView: grabMouse\n");
958
959    if (!isFullscreen) {
960        if (qemu_name)
961            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
962        else
963            [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
964    }
965    [self hideCursor];
966    if (!isAbsoluteEnabled) {
967        isMouseDeassociated = TRUE;
968        CGAssociateMouseAndMouseCursorPosition(FALSE);
969    }
970    isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
971}
972
973- (void) ungrabMouse
974{
975    COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
976
977    if (!isFullscreen) {
978        if (qemu_name)
979            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
980        else
981            [normalWindow setTitle:@"QEMU"];
982    }
983    [self unhideCursor];
984    if (isMouseDeassociated) {
985        CGAssociateMouseAndMouseCursorPosition(TRUE);
986        isMouseDeassociated = FALSE;
987    }
988    isMouseGrabbed = FALSE;
989}
990
991- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
992- (BOOL) isMouseGrabbed {return isMouseGrabbed;}
993- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
994- (BOOL) isMouseDeassociated {return isMouseDeassociated;}
995- (float) cdx {return cdx;}
996- (float) cdy {return cdy;}
997- (QEMUScreen) gscreen {return screen;}
998
999/*
1000 * Makes the target think all down keys are being released.
1001 * This prevents a stuck key problem, since we will not see
1002 * key up events for those keys after we have lost focus.
1003 */
1004- (void) raiseAllKeys
1005{
1006    const int max_index = ARRAY_SIZE(modifiers_state);
1007
1008    with_iothread_lock(^{
1009        int index;
1010
1011        for (index = 0; index < max_index; index++) {
1012            if (modifiers_state[index]) {
1013                modifiers_state[index] = 0;
1014                qemu_input_event_send_key_qcode(dcl.con, index, false);
1015            }
1016        }
1017    });
1018}
1019@end
1020
1021
1022
1023/*
1024 ------------------------------------------------------
1025    QemuCocoaAppController
1026 ------------------------------------------------------
1027*/
1028@interface QemuCocoaAppController : NSObject
1029                                       <NSWindowDelegate, NSApplicationDelegate>
1030{
1031}
1032- (void)doToggleFullScreen:(id)sender;
1033- (void)toggleFullScreen:(id)sender;
1034- (void)showQEMUDoc:(id)sender;
1035- (void)zoomToFit:(id) sender;
1036- (void)displayConsole:(id)sender;
1037- (void)pauseQEMU:(id)sender;
1038- (void)resumeQEMU:(id)sender;
1039- (void)displayPause;
1040- (void)removePause;
1041- (void)restartQEMU:(id)sender;
1042- (void)powerDownQEMU:(id)sender;
1043- (void)ejectDeviceMedia:(id)sender;
1044- (void)changeDeviceMedia:(id)sender;
1045- (BOOL)verifyQuit;
1046- (void)openDocumentation:(NSString *)filename;
1047- (IBAction) do_about_menu_item: (id) sender;
1048- (void)make_about_window;
1049- (void)adjustSpeed:(id)sender;
1050@end
1051
1052@implementation QemuCocoaAppController
1053- (id) init
1054{
1055    COCOA_DEBUG("QemuCocoaAppController: init\n");
1056
1057    self = [super init];
1058    if (self) {
1059
1060        // create a view and add it to the window
1061        cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
1062        if(!cocoaView) {
1063            error_report("(cocoa) can't create a view");
1064            exit(1);
1065        }
1066
1067        // create a window
1068        normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
1069            styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
1070            backing:NSBackingStoreBuffered defer:NO];
1071        if(!normalWindow) {
1072            error_report("(cocoa) can't create window");
1073            exit(1);
1074        }
1075        [normalWindow setAcceptsMouseMovedEvents:YES];
1076        [normalWindow setTitle:@"QEMU"];
1077        [normalWindow setContentView:cocoaView];
1078        [normalWindow makeKeyAndOrderFront:self];
1079        [normalWindow center];
1080        [normalWindow setDelegate: self];
1081        stretch_video = false;
1082
1083        /* Used for displaying pause on the screen */
1084        pauseLabel = [NSTextField new];
1085        [pauseLabel setBezeled:YES];
1086        [pauseLabel setDrawsBackground:YES];
1087        [pauseLabel setBackgroundColor: [NSColor whiteColor]];
1088        [pauseLabel setEditable:NO];
1089        [pauseLabel setSelectable:NO];
1090        [pauseLabel setStringValue: @"Paused"];
1091        [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
1092        [pauseLabel setTextColor: [NSColor blackColor]];
1093        [pauseLabel sizeToFit];
1094
1095        // set the supported image file types that can be opened
1096        supportedImageFileTypes = [NSArray arrayWithObjects: @"img", @"iso", @"dmg",
1097                                 @"qcow", @"qcow2", @"cloop", @"vmdk", @"cdr",
1098                                  @"toast", nil];
1099        [self make_about_window];
1100    }
1101    return self;
1102}
1103
1104- (void) dealloc
1105{
1106    COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
1107
1108    if (cocoaView)
1109        [cocoaView release];
1110    [super dealloc];
1111}
1112
1113- (void)applicationDidFinishLaunching: (NSNotification *) note
1114{
1115    COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
1116    allow_events = true;
1117    /* Tell cocoa_display_init to proceed */
1118    qemu_sem_post(&app_started_sem);
1119}
1120
1121- (void)applicationWillTerminate:(NSNotification *)aNotification
1122{
1123    COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
1124
1125    qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
1126    exit(0);
1127}
1128
1129- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
1130{
1131    return YES;
1132}
1133
1134- (NSApplicationTerminateReply)applicationShouldTerminate:
1135                                                         (NSApplication *)sender
1136{
1137    COCOA_DEBUG("QemuCocoaAppController: applicationShouldTerminate\n");
1138    return [self verifyQuit];
1139}
1140
1141/* Called when the user clicks on a window's close button */
1142- (BOOL)windowShouldClose:(id)sender
1143{
1144    COCOA_DEBUG("QemuCocoaAppController: windowShouldClose\n");
1145    [NSApp terminate: sender];
1146    /* If the user allows the application to quit then the call to
1147     * NSApp terminate will never return. If we get here then the user
1148     * cancelled the quit, so we should return NO to not permit the
1149     * closing of this window.
1150     */
1151    return NO;
1152}
1153
1154/* Called when QEMU goes into the background */
1155- (void) applicationWillResignActive: (NSNotification *)aNotification
1156{
1157    COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
1158    [cocoaView raiseAllKeys];
1159}
1160
1161/* We abstract the method called by the Enter Fullscreen menu item
1162 * because Mac OS 10.7 and higher disables it. This is because of the
1163 * menu item's old selector's name toggleFullScreen:
1164 */
1165- (void) doToggleFullScreen:(id)sender
1166{
1167    [self toggleFullScreen:(id)sender];
1168}
1169
1170- (void)toggleFullScreen:(id)sender
1171{
1172    COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
1173
1174    [cocoaView toggleFullScreen:sender];
1175}
1176
1177/* Tries to find then open the specified filename */
1178- (void) openDocumentation: (NSString *) filename
1179{
1180    /* Where to look for local files */
1181    NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", @"docs/"};
1182    NSString *full_file_path;
1183    NSURL *full_file_url;
1184
1185    /* iterate thru the possible paths until the file is found */
1186    int index;
1187    for (index = 0; index < ARRAY_SIZE(path_array); index++) {
1188        full_file_path = [[NSBundle mainBundle] executablePath];
1189        full_file_path = [full_file_path stringByDeletingLastPathComponent];
1190        full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
1191                          path_array[index], filename];
1192        full_file_url = [NSURL fileURLWithPath: full_file_path
1193                                   isDirectory: false];
1194        if ([[NSWorkspace sharedWorkspace] openURL: full_file_url] == YES) {
1195            return;
1196        }
1197    }
1198
1199    /* If none of the paths opened a file */
1200    NSBeep();
1201    QEMU_Alert(@"Failed to open file");
1202}
1203
1204- (void)showQEMUDoc:(id)sender
1205{
1206    COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
1207
1208    [self openDocumentation: @"index.html"];
1209}
1210
1211/* Stretches video to fit host monitor size */
1212- (void)zoomToFit:(id) sender
1213{
1214    stretch_video = !stretch_video;
1215    if (stretch_video == true) {
1216        [sender setState: NSControlStateValueOn];
1217    } else {
1218        [sender setState: NSControlStateValueOff];
1219    }
1220}
1221
1222/* Displays the console on the screen */
1223- (void)displayConsole:(id)sender
1224{
1225    console_select([sender tag]);
1226}
1227
1228/* Pause the guest */
1229- (void)pauseQEMU:(id)sender
1230{
1231    with_iothread_lock(^{
1232        qmp_stop(NULL);
1233    });
1234    [sender setEnabled: NO];
1235    [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
1236    [self displayPause];
1237}
1238
1239/* Resume running the guest operating system */
1240- (void)resumeQEMU:(id) sender
1241{
1242    with_iothread_lock(^{
1243        qmp_cont(NULL);
1244    });
1245    [sender setEnabled: NO];
1246    [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
1247    [self removePause];
1248}
1249
1250/* Displays the word pause on the screen */
1251- (void)displayPause
1252{
1253    /* Coordinates have to be calculated each time because the window can change its size */
1254    int xCoord, yCoord, width, height;
1255    xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
1256    yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
1257    width = [pauseLabel frame].size.width;
1258    height = [pauseLabel frame].size.height;
1259    [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
1260    [cocoaView addSubview: pauseLabel];
1261}
1262
1263/* Removes the word pause from the screen */
1264- (void)removePause
1265{
1266    [pauseLabel removeFromSuperview];
1267}
1268
1269/* Restarts QEMU */
1270- (void)restartQEMU:(id)sender
1271{
1272    with_iothread_lock(^{
1273        qmp_system_reset(NULL);
1274    });
1275}
1276
1277/* Powers down QEMU */
1278- (void)powerDownQEMU:(id)sender
1279{
1280    with_iothread_lock(^{
1281        qmp_system_powerdown(NULL);
1282    });
1283}
1284
1285/* Ejects the media.
1286 * Uses sender's tag to figure out the device to eject.
1287 */
1288- (void)ejectDeviceMedia:(id)sender
1289{
1290    NSString * drive;
1291    drive = [sender representedObject];
1292    if(drive == nil) {
1293        NSBeep();
1294        QEMU_Alert(@"Failed to find drive to eject!");
1295        return;
1296    }
1297
1298    __block Error *err = NULL;
1299    with_iothread_lock(^{
1300        qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
1301                  false, NULL, false, false, &err);
1302    });
1303    handleAnyDeviceErrors(err);
1304}
1305
1306/* Displays a dialog box asking the user to select an image file to load.
1307 * Uses sender's represented object value to figure out which drive to use.
1308 */
1309- (void)changeDeviceMedia:(id)sender
1310{
1311    /* Find the drive name */
1312    NSString * drive;
1313    drive = [sender representedObject];
1314    if(drive == nil) {
1315        NSBeep();
1316        QEMU_Alert(@"Could not find drive!");
1317        return;
1318    }
1319
1320    /* Display the file open dialog */
1321    NSOpenPanel * openPanel;
1322    openPanel = [NSOpenPanel openPanel];
1323    [openPanel setCanChooseFiles: YES];
1324    [openPanel setAllowsMultipleSelection: NO];
1325    [openPanel setAllowedFileTypes: supportedImageFileTypes];
1326    if([openPanel runModal] == NSModalResponseOK) {
1327        NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
1328        if(file == nil) {
1329            NSBeep();
1330            QEMU_Alert(@"Failed to convert URL to file path!");
1331            return;
1332        }
1333
1334        __block Error *err = NULL;
1335        with_iothread_lock(^{
1336            qmp_blockdev_change_medium(true,
1337                                       [drive cStringUsingEncoding:
1338                                                  NSASCIIStringEncoding],
1339                                       false, NULL,
1340                                       [file cStringUsingEncoding:
1341                                                 NSASCIIStringEncoding],
1342                                       true, "raw",
1343                                       false, 0,
1344                                       &err);
1345        });
1346        handleAnyDeviceErrors(err);
1347    }
1348}
1349
1350/* Verifies if the user really wants to quit */
1351- (BOOL)verifyQuit
1352{
1353    NSAlert *alert = [NSAlert new];
1354    [alert autorelease];
1355    [alert setMessageText: @"Are you sure you want to quit QEMU?"];
1356    [alert addButtonWithTitle: @"Cancel"];
1357    [alert addButtonWithTitle: @"Quit"];
1358    if([alert runModal] == NSAlertSecondButtonReturn) {
1359        return YES;
1360    } else {
1361        return NO;
1362    }
1363}
1364
1365/* The action method for the About menu item */
1366- (IBAction) do_about_menu_item: (id) sender
1367{
1368    [about_window makeKeyAndOrderFront: nil];
1369}
1370
1371/* Create and display the about dialog */
1372- (void)make_about_window
1373{
1374    /* Make the window */
1375    int x = 0, y = 0, about_width = 400, about_height = 200;
1376    NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
1377    about_window = [[NSWindow alloc] initWithContentRect:window_rect
1378                    styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
1379                    NSWindowStyleMaskMiniaturizable
1380                    backing:NSBackingStoreBuffered
1381                    defer:NO];
1382    [about_window setTitle: @"About"];
1383    [about_window setReleasedWhenClosed: NO];
1384    [about_window center];
1385    NSView *superView = [about_window contentView];
1386
1387    /* Create the dimensions of the picture */
1388    int picture_width = 80, picture_height = 80;
1389    x = (about_width - picture_width)/2;
1390    y = about_height - picture_height - 10;
1391    NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
1392
1393    /* Get the path to the QEMU binary */
1394    NSString *binary_name = [NSString stringWithCString: gArgv[0]
1395                                      encoding: NSASCIIStringEncoding];
1396    binary_name = [binary_name lastPathComponent];
1397    NSString *program_path = [[NSString alloc] initWithFormat: @"%@/%@",
1398    [[NSBundle mainBundle] bundlePath], binary_name];
1399
1400    /* Make the picture of QEMU */
1401    NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
1402                                                     picture_rect];
1403    NSImage *qemu_image = [[NSWorkspace sharedWorkspace] iconForFile:
1404                                                         program_path];
1405    [picture_view setImage: qemu_image];
1406    [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
1407    [superView addSubview: picture_view];
1408
1409    /* Make the name label */
1410    x = 0;
1411    y = y - 25;
1412    int name_width = about_width, name_height = 20;
1413    NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
1414    NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
1415    [name_label setEditable: NO];
1416    [name_label setBezeled: NO];
1417    [name_label setDrawsBackground: NO];
1418    [name_label setAlignment: NSTextAlignmentCenter];
1419    NSString *qemu_name = [[NSString alloc] initWithCString: gArgv[0]
1420                                            encoding: NSASCIIStringEncoding];
1421    qemu_name = [qemu_name lastPathComponent];
1422    [name_label setStringValue: qemu_name];
1423    [superView addSubview: name_label];
1424
1425    /* Set the version label's attributes */
1426    x = 0;
1427    y = 50;
1428    int version_width = about_width, version_height = 20;
1429    NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
1430    NSTextField *version_label = [[NSTextField alloc] initWithFrame:
1431                                                      version_rect];
1432    [version_label setEditable: NO];
1433    [version_label setBezeled: NO];
1434    [version_label setAlignment: NSTextAlignmentCenter];
1435    [version_label setDrawsBackground: NO];
1436
1437    /* Create the version string*/
1438    NSString *version_string;
1439    version_string = [[NSString alloc] initWithFormat:
1440    @"QEMU emulator version %s", QEMU_FULL_VERSION];
1441    [version_label setStringValue: version_string];
1442    [superView addSubview: version_label];
1443
1444    /* Make copyright label */
1445    x = 0;
1446    y = 35;
1447    int copyright_width = about_width, copyright_height = 20;
1448    NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
1449    NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
1450                                                        copyright_rect];
1451    [copyright_label setEditable: NO];
1452    [copyright_label setBezeled: NO];
1453    [copyright_label setDrawsBackground: NO];
1454    [copyright_label setAlignment: NSTextAlignmentCenter];
1455    [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
1456                                     QEMU_COPYRIGHT]];
1457    [superView addSubview: copyright_label];
1458}
1459
1460/* Used by the Speed menu items */
1461- (void)adjustSpeed:(id)sender
1462{
1463    int throttle_pct; /* throttle percentage */
1464    NSMenu *menu;
1465
1466    menu = [sender menu];
1467    if (menu != nil)
1468    {
1469        /* Unselect the currently selected item */
1470        for (NSMenuItem *item in [menu itemArray]) {
1471            if (item.state == NSControlStateValueOn) {
1472                [item setState: NSControlStateValueOff];
1473                break;
1474            }
1475        }
1476    }
1477
1478    // check the menu item
1479    [sender setState: NSControlStateValueOn];
1480
1481    // get the throttle percentage
1482    throttle_pct = [sender tag];
1483
1484    with_iothread_lock(^{
1485        cpu_throttle_set(throttle_pct);
1486    });
1487    COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
1488}
1489
1490@end
1491
1492@interface QemuApplication : NSApplication
1493@end
1494
1495@implementation QemuApplication
1496- (void)sendEvent:(NSEvent *)event
1497{
1498    COCOA_DEBUG("QemuApplication: sendEvent\n");
1499    if (![cocoaView handleEvent:event]) {
1500        [super sendEvent: event];
1501    }
1502}
1503@end
1504
1505static void create_initial_menus(void)
1506{
1507    // Add menus
1508    NSMenu      *menu;
1509    NSMenuItem  *menuItem;
1510
1511    [NSApp setMainMenu:[[NSMenu alloc] init]];
1512
1513    // Application menu
1514    menu = [[NSMenu alloc] initWithTitle:@""];
1515    [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
1516    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1517    [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1518    menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1519    [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
1520    [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1521    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1522    [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1523    menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1524    [menuItem setSubmenu:menu];
1525    [[NSApp mainMenu] addItem:menuItem];
1526    [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1527
1528    // Machine menu
1529    menu = [[NSMenu alloc] initWithTitle: @"Machine"];
1530    [menu setAutoenablesItems: NO];
1531    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
1532    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
1533    [menu addItem: menuItem];
1534    [menuItem setEnabled: NO];
1535    [menu addItem: [NSMenuItem separatorItem]];
1536    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
1537    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
1538    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
1539    [menuItem setSubmenu:menu];
1540    [[NSApp mainMenu] addItem:menuItem];
1541
1542    // View menu
1543    menu = [[NSMenu alloc] initWithTitle:@"View"];
1544    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1545    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1546    menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1547    [menuItem setSubmenu:menu];
1548    [[NSApp mainMenu] addItem:menuItem];
1549
1550    // Speed menu
1551    menu = [[NSMenu alloc] initWithTitle:@"Speed"];
1552
1553    // Add the rest of the Speed menu items
1554    int p, percentage, throttle_pct;
1555    for (p = 10; p >= 0; p--)
1556    {
1557        percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
1558
1559        menuItem = [[[NSMenuItem alloc]
1560                   initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
1561
1562        if (percentage == 100) {
1563            [menuItem setState: NSControlStateValueOn];
1564        }
1565
1566        /* Calculate the throttle percentage */
1567        throttle_pct = -1 * percentage + 100;
1568
1569        [menuItem setTag: throttle_pct];
1570        [menu addItem: menuItem];
1571    }
1572    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
1573    [menuItem setSubmenu:menu];
1574    [[NSApp mainMenu] addItem:menuItem];
1575
1576    // Window menu
1577    menu = [[NSMenu alloc] initWithTitle:@"Window"];
1578    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1579    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1580    [menuItem setSubmenu:menu];
1581    [[NSApp mainMenu] addItem:menuItem];
1582    [NSApp setWindowsMenu:menu];
1583
1584    // Help menu
1585    menu = [[NSMenu alloc] initWithTitle:@"Help"];
1586    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1587    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1588    [menuItem setSubmenu:menu];
1589    [[NSApp mainMenu] addItem:menuItem];
1590}
1591
1592/* Returns a name for a given console */
1593static NSString * getConsoleName(QemuConsole * console)
1594{
1595    return [NSString stringWithFormat: @"%s", qemu_console_get_label(console)];
1596}
1597
1598/* Add an entry to the View menu for each console */
1599static void add_console_menu_entries(void)
1600{
1601    NSMenu *menu;
1602    NSMenuItem *menuItem;
1603    int index = 0;
1604
1605    menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
1606
1607    [menu addItem:[NSMenuItem separatorItem]];
1608
1609    while (qemu_console_lookup_by_index(index) != NULL) {
1610        menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
1611                                               action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
1612        [menuItem setTag: index];
1613        [menu addItem: menuItem];
1614        index++;
1615    }
1616}
1617
1618/* Make menu items for all removable devices.
1619 * Each device is given an 'Eject' and 'Change' menu item.
1620 */
1621static void addRemovableDevicesMenuItems(void)
1622{
1623    NSMenu *menu;
1624    NSMenuItem *menuItem;
1625    BlockInfoList *currentDevice, *pointerToFree;
1626    NSString *deviceName;
1627
1628    currentDevice = qmp_query_block(NULL);
1629    pointerToFree = currentDevice;
1630    if(currentDevice == NULL) {
1631        NSBeep();
1632        QEMU_Alert(@"Failed to query for block devices!");
1633        return;
1634    }
1635
1636    menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
1637
1638    // Add a separator between related groups of menu items
1639    [menu addItem:[NSMenuItem separatorItem]];
1640
1641    // Set the attributes to the "Removable Media" menu item
1642    NSString *titleString = @"Removable Media";
1643    NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
1644    NSColor *newColor = [NSColor blackColor];
1645    NSFontManager *fontManager = [NSFontManager sharedFontManager];
1646    NSFont *font = [fontManager fontWithFamily:@"Helvetica"
1647                                          traits:NSBoldFontMask|NSItalicFontMask
1648                                          weight:0
1649                                            size:14];
1650    [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
1651    [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
1652    [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
1653
1654    // Add the "Removable Media" menu item
1655    menuItem = [NSMenuItem new];
1656    [menuItem setAttributedTitle: attString];
1657    [menuItem setEnabled: NO];
1658    [menu addItem: menuItem];
1659
1660    /* Loop through all the block devices in the emulator */
1661    while (currentDevice) {
1662        deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
1663
1664        if(currentDevice->value->removable) {
1665            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
1666                                                  action: @selector(changeDeviceMedia:)
1667                                           keyEquivalent: @""];
1668            [menu addItem: menuItem];
1669            [menuItem setRepresentedObject: deviceName];
1670            [menuItem autorelease];
1671
1672            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
1673                                                  action: @selector(ejectDeviceMedia:)
1674                                           keyEquivalent: @""];
1675            [menu addItem: menuItem];
1676            [menuItem setRepresentedObject: deviceName];
1677            [menuItem autorelease];
1678        }
1679        currentDevice = currentDevice->next;
1680    }
1681    qapi_free_BlockInfoList(pointerToFree);
1682}
1683
1684/*
1685 * The startup process for the OSX/Cocoa UI is complicated, because
1686 * OSX insists that the UI runs on the initial main thread, and so we
1687 * need to start a second thread which runs the vl.c qemu_main():
1688 *
1689 * Initial thread:                    2nd thread:
1690 * in main():
1691 *  create qemu-main thread
1692 *  wait on display_init semaphore
1693 *                                    call qemu_main()
1694 *                                    ...
1695 *                                    in cocoa_display_init():
1696 *                                     post the display_init semaphore
1697 *                                     wait on app_started semaphore
1698 *  create application, menus, etc
1699 *  enter OSX run loop
1700 * in applicationDidFinishLaunching:
1701 *  post app_started semaphore
1702 *                                     tell main thread to fullscreen if needed
1703 *                                    [...]
1704 *                                    run qemu main-loop
1705 *
1706 * We do this in two stages so that we don't do the creation of the
1707 * GUI application menus and so on for command line options like --help
1708 * where we want to just print text to stdout and exit immediately.
1709 */
1710
1711static void *call_qemu_main(void *opaque)
1712{
1713    int status;
1714
1715    COCOA_DEBUG("Second thread: calling qemu_main()\n");
1716    status = qemu_main(gArgc, gArgv, *_NSGetEnviron());
1717    COCOA_DEBUG("Second thread: qemu_main() returned, exiting\n");
1718    exit(status);
1719}
1720
1721int main (int argc, const char * argv[]) {
1722    QemuThread thread;
1723
1724    COCOA_DEBUG("Entered main()\n");
1725    gArgc = argc;
1726    gArgv = (char **)argv;
1727
1728    qemu_sem_init(&display_init_sem, 0);
1729    qemu_sem_init(&app_started_sem, 0);
1730
1731    qemu_thread_create(&thread, "qemu_main", call_qemu_main,
1732                       NULL, QEMU_THREAD_DETACHED);
1733
1734    COCOA_DEBUG("Main thread: waiting for display_init_sem\n");
1735    qemu_sem_wait(&display_init_sem);
1736    COCOA_DEBUG("Main thread: initializing app\n");
1737
1738    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1739
1740    // Pull this console process up to being a fully-fledged graphical
1741    // app with a menubar and Dock icon
1742    ProcessSerialNumber psn = { 0, kCurrentProcess };
1743    TransformProcessType(&psn, kProcessTransformToForegroundApplication);
1744
1745    [QemuApplication sharedApplication];
1746
1747    create_initial_menus();
1748
1749    /*
1750     * Create the menu entries which depend on QEMU state (for consoles
1751     * and removeable devices). These make calls back into QEMU functions,
1752     * which is OK because at this point we know that the second thread
1753     * holds the iothread lock and is synchronously waiting for us to
1754     * finish.
1755     */
1756    add_console_menu_entries();
1757    addRemovableDevicesMenuItems();
1758
1759    // Create an Application controller
1760    QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1761    [NSApp setDelegate:appController];
1762
1763    // Start the main event loop
1764    COCOA_DEBUG("Main thread: entering OSX run loop\n");
1765    [NSApp run];
1766    COCOA_DEBUG("Main thread: left OSX run loop, exiting\n");
1767
1768    [appController release];
1769    [pool release];
1770
1771    return 0;
1772}
1773
1774
1775
1776#pragma mark qemu
1777static void cocoa_update(DisplayChangeListener *dcl,
1778                         int x, int y, int w, int h)
1779{
1780    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1781
1782    COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1783
1784    dispatch_async(dispatch_get_main_queue(), ^{
1785        NSRect rect;
1786        if ([cocoaView cdx] == 1.0) {
1787            rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1788        } else {
1789            rect = NSMakeRect(
1790                x * [cocoaView cdx],
1791                ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1792                w * [cocoaView cdx],
1793                h * [cocoaView cdy]);
1794        }
1795        [cocoaView setNeedsDisplayInRect:rect];
1796    });
1797
1798    [pool release];
1799}
1800
1801static void cocoa_switch(DisplayChangeListener *dcl,
1802                         DisplaySurface *surface)
1803{
1804    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1805    pixman_image_t *image = surface->image;
1806
1807    COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1808
1809    // The DisplaySurface will be freed as soon as this callback returns.
1810    // We take a reference to the underlying pixman image here so it does
1811    // not disappear from under our feet; the switchSurface method will
1812    // deref the old image when it is done with it.
1813    pixman_image_ref(image);
1814
1815    dispatch_async(dispatch_get_main_queue(), ^{
1816        [cocoaView switchSurface:image];
1817    });
1818    [pool release];
1819}
1820
1821static void cocoa_refresh(DisplayChangeListener *dcl)
1822{
1823    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1824
1825    COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1826    graphic_hw_update(NULL);
1827
1828    if (qemu_input_is_absolute()) {
1829        dispatch_async(dispatch_get_main_queue(), ^{
1830            if (![cocoaView isAbsoluteEnabled]) {
1831                if ([cocoaView isMouseGrabbed]) {
1832                    [cocoaView ungrabMouse];
1833                }
1834            }
1835            [cocoaView setAbsoluteEnabled:YES];
1836        });
1837    }
1838    [pool release];
1839}
1840
1841static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
1842{
1843    COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1844
1845    /* Tell main thread to go ahead and create the app and enter the run loop */
1846    qemu_sem_post(&display_init_sem);
1847    qemu_sem_wait(&app_started_sem);
1848    COCOA_DEBUG("cocoa_display_init: app start completed\n");
1849
1850    /* if fullscreen mode is to be used */
1851    if (opts->has_full_screen && opts->full_screen) {
1852        dispatch_async(dispatch_get_main_queue(), ^{
1853            [NSApp activateIgnoringOtherApps: YES];
1854            [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1855        });
1856    }
1857    if (opts->has_show_cursor && opts->show_cursor) {
1858        cursor_hide = 0;
1859    }
1860
1861    // register vga output callbacks
1862    register_displaychangelistener(&dcl);
1863}
1864
1865static QemuDisplay qemu_display_cocoa = {
1866    .type       = DISPLAY_TYPE_COCOA,
1867    .init       = cocoa_display_init,
1868};
1869
1870static void register_cocoa(void)
1871{
1872    qemu_display_register(&qemu_display_cocoa);
1873}
1874
1875type_init(register_cocoa);
1876