xref: /openbmc/qemu/ui/cocoa.m (revision 46517dd4971fc1fdd5b379e72cc377626ad98160)
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 "qapi/error.h"
35#include "qapi/qapi-commands-block.h"
36#include "qapi/qapi-commands-misc.h"
37#include "sysemu/blockdev.h"
38#include "qemu-version.h"
39#include "qemu/main-loop.h"
40#include "qemu/module.h"
41#include <Carbon/Carbon.h>
42#include "qom/cpu.h"
43
44#ifndef MAC_OS_X_VERSION_10_5
45#define MAC_OS_X_VERSION_10_5 1050
46#endif
47#ifndef MAC_OS_X_VERSION_10_6
48#define MAC_OS_X_VERSION_10_6 1060
49#endif
50#ifndef MAC_OS_X_VERSION_10_9
51#define MAC_OS_X_VERSION_10_9 1090
52#endif
53#ifndef MAC_OS_X_VERSION_10_10
54#define MAC_OS_X_VERSION_10_10 101000
55#endif
56#ifndef MAC_OS_X_VERSION_10_12
57#define MAC_OS_X_VERSION_10_12 101200
58#endif
59#ifndef MAC_OS_X_VERSION_10_13
60#define MAC_OS_X_VERSION_10_13 101300
61#endif
62
63/* macOS 10.12 deprecated many constants, #define the new names for older SDKs */
64#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_12
65#define NSEventMaskAny                  NSAnyEventMask
66#define NSEventModifierFlagCapsLock     NSAlphaShiftKeyMask
67#define NSEventModifierFlagShift        NSShiftKeyMask
68#define NSEventModifierFlagCommand      NSCommandKeyMask
69#define NSEventModifierFlagControl      NSControlKeyMask
70#define NSEventModifierFlagOption       NSAlternateKeyMask
71#define NSEventTypeFlagsChanged         NSFlagsChanged
72#define NSEventTypeKeyUp                NSKeyUp
73#define NSEventTypeKeyDown              NSKeyDown
74#define NSEventTypeMouseMoved           NSMouseMoved
75#define NSEventTypeLeftMouseDown        NSLeftMouseDown
76#define NSEventTypeRightMouseDown       NSRightMouseDown
77#define NSEventTypeOtherMouseDown       NSOtherMouseDown
78#define NSEventTypeLeftMouseDragged     NSLeftMouseDragged
79#define NSEventTypeRightMouseDragged    NSRightMouseDragged
80#define NSEventTypeOtherMouseDragged    NSOtherMouseDragged
81#define NSEventTypeLeftMouseUp          NSLeftMouseUp
82#define NSEventTypeRightMouseUp         NSRightMouseUp
83#define NSEventTypeOtherMouseUp         NSOtherMouseUp
84#define NSEventTypeScrollWheel          NSScrollWheel
85#define NSTextAlignmentCenter           NSCenterTextAlignment
86#define NSWindowStyleMaskBorderless     NSBorderlessWindowMask
87#define NSWindowStyleMaskClosable       NSClosableWindowMask
88#define NSWindowStyleMaskMiniaturizable NSMiniaturizableWindowMask
89#define NSWindowStyleMaskTitled         NSTitledWindowMask
90#endif
91/* 10.13 deprecates NSFileHandlingPanelOKButton in favour of
92 * NSModalResponseOK, which was introduced in 10.9. Define
93 * it for older versions.
94 */
95#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_9
96#define NSModalResponseOK NSFileHandlingPanelOKButton
97#endif
98/* 10.14 deprecates NSOnState and NSOffState in favor of
99 * NSControlStateValueOn/Off, which were introduced in 10.13.
100 * Define for older versions
101 */
102#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
103#define NSControlStateValueOn NSOnState
104#define NSControlStateValueOff NSOffState
105#endif
106
107//#define DEBUG
108
109#ifdef DEBUG
110#define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
111#else
112#define COCOA_DEBUG(...)  ((void) 0)
113#endif
114
115#define cgrect(nsrect) (*(CGRect *)&(nsrect))
116
117typedef struct {
118    int width;
119    int height;
120    int bitsPerComponent;
121    int bitsPerPixel;
122} QEMUScreen;
123
124NSWindow *normalWindow, *about_window;
125static DisplayChangeListener *dcl;
126static int last_buttons;
127
128int gArgc;
129char **gArgv;
130bool stretch_video;
131NSTextField *pauseLabel;
132NSArray * supportedImageFileTypes;
133
134static QemuSemaphore display_init_sem;
135static QemuSemaphore app_started_sem;
136
137// Utility functions to run specified code block with iothread lock held
138typedef void (^CodeBlock)(void);
139typedef bool (^BoolCodeBlock)(void);
140
141static void with_iothread_lock(CodeBlock block)
142{
143    bool locked = qemu_mutex_iothread_locked();
144    if (!locked) {
145        qemu_mutex_lock_iothread();
146    }
147    block();
148    if (!locked) {
149        qemu_mutex_unlock_iothread();
150    }
151}
152
153static bool bool_with_iothread_lock(BoolCodeBlock block)
154{
155    bool locked = qemu_mutex_iothread_locked();
156    bool val;
157
158    if (!locked) {
159        qemu_mutex_lock_iothread();
160    }
161    val = block();
162    if (!locked) {
163        qemu_mutex_unlock_iothread();
164    }
165    return val;
166}
167
168// Mac to QKeyCode conversion
169const int mac_to_qkeycode_map[] = {
170    [kVK_ANSI_A] = Q_KEY_CODE_A,
171    [kVK_ANSI_B] = Q_KEY_CODE_B,
172    [kVK_ANSI_C] = Q_KEY_CODE_C,
173    [kVK_ANSI_D] = Q_KEY_CODE_D,
174    [kVK_ANSI_E] = Q_KEY_CODE_E,
175    [kVK_ANSI_F] = Q_KEY_CODE_F,
176    [kVK_ANSI_G] = Q_KEY_CODE_G,
177    [kVK_ANSI_H] = Q_KEY_CODE_H,
178    [kVK_ANSI_I] = Q_KEY_CODE_I,
179    [kVK_ANSI_J] = Q_KEY_CODE_J,
180    [kVK_ANSI_K] = Q_KEY_CODE_K,
181    [kVK_ANSI_L] = Q_KEY_CODE_L,
182    [kVK_ANSI_M] = Q_KEY_CODE_M,
183    [kVK_ANSI_N] = Q_KEY_CODE_N,
184    [kVK_ANSI_O] = Q_KEY_CODE_O,
185    [kVK_ANSI_P] = Q_KEY_CODE_P,
186    [kVK_ANSI_Q] = Q_KEY_CODE_Q,
187    [kVK_ANSI_R] = Q_KEY_CODE_R,
188    [kVK_ANSI_S] = Q_KEY_CODE_S,
189    [kVK_ANSI_T] = Q_KEY_CODE_T,
190    [kVK_ANSI_U] = Q_KEY_CODE_U,
191    [kVK_ANSI_V] = Q_KEY_CODE_V,
192    [kVK_ANSI_W] = Q_KEY_CODE_W,
193    [kVK_ANSI_X] = Q_KEY_CODE_X,
194    [kVK_ANSI_Y] = Q_KEY_CODE_Y,
195    [kVK_ANSI_Z] = Q_KEY_CODE_Z,
196
197    [kVK_ANSI_0] = Q_KEY_CODE_0,
198    [kVK_ANSI_1] = Q_KEY_CODE_1,
199    [kVK_ANSI_2] = Q_KEY_CODE_2,
200    [kVK_ANSI_3] = Q_KEY_CODE_3,
201    [kVK_ANSI_4] = Q_KEY_CODE_4,
202    [kVK_ANSI_5] = Q_KEY_CODE_5,
203    [kVK_ANSI_6] = Q_KEY_CODE_6,
204    [kVK_ANSI_7] = Q_KEY_CODE_7,
205    [kVK_ANSI_8] = Q_KEY_CODE_8,
206    [kVK_ANSI_9] = Q_KEY_CODE_9,
207
208    [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
209    [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
210    [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
211    [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
212    [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
213    [kVK_Tab] = Q_KEY_CODE_TAB,
214    [kVK_Return] = Q_KEY_CODE_RET,
215    [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
216    [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
217    [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
218    [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
219    [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
220    [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
221    [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
222    [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
223    [kVK_Shift] = Q_KEY_CODE_SHIFT,
224    [kVK_RightShift] = Q_KEY_CODE_SHIFT_R,
225    [kVK_Control] = Q_KEY_CODE_CTRL,
226    [kVK_RightControl] = Q_KEY_CODE_CTRL_R,
227    [kVK_Option] = Q_KEY_CODE_ALT,
228    [kVK_RightOption] = Q_KEY_CODE_ALT_R,
229    [kVK_Command] = Q_KEY_CODE_META_L,
230    [0x36] = Q_KEY_CODE_META_R, /* There is no kVK_RightCommand */
231    [kVK_Space] = Q_KEY_CODE_SPC,
232
233    [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
234    [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
235    [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
236    [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
237    [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
238    [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
239    [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
240    [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
241    [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
242    [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
243    [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
244    [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
245    [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
246    [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
247    [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
248    [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
249    [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
250    [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
251
252    [kVK_UpArrow] = Q_KEY_CODE_UP,
253    [kVK_DownArrow] = Q_KEY_CODE_DOWN,
254    [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
255    [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
256
257    [kVK_Help] = Q_KEY_CODE_INSERT,
258    [kVK_Home] = Q_KEY_CODE_HOME,
259    [kVK_PageUp] = Q_KEY_CODE_PGUP,
260    [kVK_PageDown] = Q_KEY_CODE_PGDN,
261    [kVK_End] = Q_KEY_CODE_END,
262    [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
263
264    [kVK_Escape] = Q_KEY_CODE_ESC,
265
266    /* The Power key can't be used directly because the operating system uses
267     * it. This key can be emulated by using it in place of another key such as
268     * F1. Don't forget to disable the real key binding.
269     */
270    /* [kVK_F1] = Q_KEY_CODE_POWER, */
271
272    [kVK_F1] = Q_KEY_CODE_F1,
273    [kVK_F2] = Q_KEY_CODE_F2,
274    [kVK_F3] = Q_KEY_CODE_F3,
275    [kVK_F4] = Q_KEY_CODE_F4,
276    [kVK_F5] = Q_KEY_CODE_F5,
277    [kVK_F6] = Q_KEY_CODE_F6,
278    [kVK_F7] = Q_KEY_CODE_F7,
279    [kVK_F8] = Q_KEY_CODE_F8,
280    [kVK_F9] = Q_KEY_CODE_F9,
281    [kVK_F10] = Q_KEY_CODE_F10,
282    [kVK_F11] = Q_KEY_CODE_F11,
283    [kVK_F12] = Q_KEY_CODE_F12,
284    [kVK_F13] = Q_KEY_CODE_PRINT,
285    [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
286    [kVK_F15] = Q_KEY_CODE_PAUSE,
287
288    /*
289     * The eject and volume keys can't be used here because they are handled at
290     * a lower level than what an Application can see.
291     */
292};
293
294static int cocoa_keycode_to_qemu(int keycode)
295{
296    if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
297        fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
298        return 0;
299    }
300    return mac_to_qkeycode_map[keycode];
301}
302
303/* Displays an alert dialog box with the specified message */
304static void QEMU_Alert(NSString *message)
305{
306    NSAlert *alert;
307    alert = [NSAlert new];
308    [alert setMessageText: message];
309    [alert runModal];
310}
311
312/* Handles any errors that happen with a device transaction */
313static void handleAnyDeviceErrors(Error * err)
314{
315    if (err) {
316        QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
317                                      encoding: NSASCIIStringEncoding]);
318        error_free(err);
319    }
320}
321
322/*
323 ------------------------------------------------------
324    QemuCocoaView
325 ------------------------------------------------------
326*/
327@interface QemuCocoaView : NSView
328{
329    QEMUScreen screen;
330    NSWindow *fullScreenWindow;
331    float cx,cy,cw,ch,cdx,cdy;
332    CGDataProviderRef dataProviderRef;
333    pixman_image_t *pixman_image;
334    BOOL modifiers_state[256];
335    BOOL isMouseGrabbed;
336    BOOL isFullscreen;
337    BOOL isAbsoluteEnabled;
338    BOOL isMouseDeassociated;
339}
340- (void) switchSurface:(pixman_image_t *)image;
341- (void) grabMouse;
342- (void) ungrabMouse;
343- (void) toggleFullScreen:(id)sender;
344- (void) handleMonitorInput:(NSEvent *)event;
345- (bool) handleEvent:(NSEvent *)event;
346- (bool) handleEventLocked:(NSEvent *)event;
347- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
348/* The state surrounding mouse grabbing is potentially confusing.
349 * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
350 *   pointing device an absolute-position one?"], but is only updated on
351 *   next refresh.
352 * isMouseGrabbed tracks whether GUI events are directed to the guest;
353 *   it controls whether special keys like Cmd get sent to the guest,
354 *   and whether we capture the mouse when in non-absolute mode.
355 * isMouseDeassociated tracks whether we've told MacOSX to disassociate
356 *   the mouse and mouse cursor position by calling
357 *   CGAssociateMouseAndMouseCursorPosition(FALSE)
358 *   (which basically happens if we grab in non-absolute mode).
359 */
360- (BOOL) isMouseGrabbed;
361- (BOOL) isAbsoluteEnabled;
362- (BOOL) isMouseDeassociated;
363- (float) cdx;
364- (float) cdy;
365- (QEMUScreen) gscreen;
366- (void) raiseAllKeys;
367@end
368
369QemuCocoaView *cocoaView;
370
371@implementation QemuCocoaView
372- (id)initWithFrame:(NSRect)frameRect
373{
374    COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
375
376    self = [super initWithFrame:frameRect];
377    if (self) {
378
379        screen.bitsPerComponent = 8;
380        screen.bitsPerPixel = 32;
381        screen.width = frameRect.size.width;
382        screen.height = frameRect.size.height;
383
384    }
385    return self;
386}
387
388- (void) dealloc
389{
390    COCOA_DEBUG("QemuCocoaView: dealloc\n");
391
392    if (dataProviderRef) {
393        CGDataProviderRelease(dataProviderRef);
394        pixman_image_unref(pixman_image);
395    }
396
397    [super dealloc];
398}
399
400- (BOOL) isOpaque
401{
402    return YES;
403}
404
405- (BOOL) screenContainsPoint:(NSPoint) p
406{
407    return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
408}
409
410/* Get location of event and convert to virtual screen coordinate */
411- (CGPoint) screenLocationOfEvent:(NSEvent *)ev
412{
413    NSWindow *eventWindow = [ev window];
414    // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
415    CGRect r = CGRectZero;
416    r.origin = [ev locationInWindow];
417    if (!eventWindow) {
418        if (!isFullscreen) {
419            return [[self window] convertRectFromScreen:r].origin;
420        } else {
421            CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
422            CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
423            if (stretch_video) {
424                loc.x /= cdx;
425                loc.y /= cdy;
426            }
427            return loc;
428        }
429    } else if ([[self window] isEqual:eventWindow]) {
430        if (!isFullscreen) {
431            return r.origin;
432        } else {
433            CGPoint loc = [self convertPoint:r.origin fromView:nil];
434            if (stretch_video) {
435                loc.x /= cdx;
436                loc.y /= cdy;
437            }
438            return loc;
439        }
440    } else {
441        return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
442    }
443}
444
445- (void) hideCursor
446{
447    if (!cursor_hide) {
448        return;
449    }
450    [NSCursor hide];
451}
452
453- (void) unhideCursor
454{
455    if (!cursor_hide) {
456        return;
457    }
458    [NSCursor unhide];
459}
460
461- (void) drawRect:(NSRect) rect
462{
463    COCOA_DEBUG("QemuCocoaView: drawRect\n");
464
465    // get CoreGraphic context
466#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_10
467    CGContextRef viewContextRef = [[NSGraphicsContext currentContext] graphicsPort];
468#else
469    CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
470#endif
471
472    CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
473    CGContextSetShouldAntialias (viewContextRef, NO);
474
475    // draw screen bitmap directly to Core Graphics context
476    if (!dataProviderRef) {
477        // Draw request before any guest device has set up a framebuffer:
478        // just draw an opaque black rectangle
479        CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
480        CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
481    } else {
482        CGImageRef imageRef = CGImageCreate(
483            screen.width, //width
484            screen.height, //height
485            screen.bitsPerComponent, //bitsPerComponent
486            screen.bitsPerPixel, //bitsPerPixel
487            (screen.width * (screen.bitsPerComponent/2)), //bytesPerRow
488#ifdef __LITTLE_ENDIAN__
489            CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
490            kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
491#else
492            CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
493            kCGImageAlphaNoneSkipFirst, //bitmapInfo
494#endif
495            dataProviderRef, //provider
496            NULL, //decode
497            0, //interpolate
498            kCGRenderingIntentDefault //intent
499        );
500        // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
501        const NSRect *rectList;
502        NSInteger rectCount;
503        int i;
504        CGImageRef clipImageRef;
505        CGRect clipRect;
506
507        [self getRectsBeingDrawn:&rectList count:&rectCount];
508        for (i = 0; i < rectCount; i++) {
509            clipRect.origin.x = rectList[i].origin.x / cdx;
510            clipRect.origin.y = (float)screen.height - (rectList[i].origin.y + rectList[i].size.height) / cdy;
511            clipRect.size.width = rectList[i].size.width / cdx;
512            clipRect.size.height = rectList[i].size.height / cdy;
513            clipImageRef = CGImageCreateWithImageInRect(
514                                                        imageRef,
515                                                        clipRect
516                                                        );
517            CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
518            CGImageRelease (clipImageRef);
519        }
520        CGImageRelease (imageRef);
521    }
522}
523
524- (void) setContentDimensions
525{
526    COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
527
528    if (isFullscreen) {
529        cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
530        cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
531
532        /* stretches video, but keeps same aspect ratio */
533        if (stretch_video == true) {
534            /* use smallest stretch value - prevents clipping on sides */
535            if (MIN(cdx, cdy) == cdx) {
536                cdy = cdx;
537            } else {
538                cdx = cdy;
539            }
540        } else {  /* No stretching */
541            cdx = cdy = 1;
542        }
543        cw = screen.width * cdx;
544        ch = screen.height * cdy;
545        cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
546        cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
547    } else {
548        cx = 0;
549        cy = 0;
550        cw = screen.width;
551        ch = screen.height;
552        cdx = 1.0;
553        cdy = 1.0;
554    }
555}
556
557- (void) switchSurface:(pixman_image_t *)image
558{
559    COCOA_DEBUG("QemuCocoaView: switchSurface\n");
560
561    int w = pixman_image_get_width(image);
562    int h = pixman_image_get_height(image);
563    pixman_format_code_t image_format = pixman_image_get_format(image);
564    /* cdx == 0 means this is our very first surface, in which case we need
565     * to recalculate the content dimensions even if it happens to be the size
566     * of the initial empty window.
567     */
568    bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
569
570    int oldh = screen.height;
571    if (isResize) {
572        // Resize before we trigger the redraw, or we'll redraw at the wrong size
573        COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
574        screen.width = w;
575        screen.height = h;
576        [self setContentDimensions];
577        [self setFrame:NSMakeRect(cx, cy, cw, ch)];
578    }
579
580    // update screenBuffer
581    if (dataProviderRef) {
582        CGDataProviderRelease(dataProviderRef);
583        pixman_image_unref(pixman_image);
584    }
585
586    //sync host window color space with guests
587    screen.bitsPerPixel = PIXMAN_FORMAT_BPP(image_format);
588    screen.bitsPerComponent = DIV_ROUND_UP(screen.bitsPerPixel, 8) * 2;
589
590    pixman_image = image;
591    dataProviderRef = CGDataProviderCreateWithData(NULL, pixman_image_get_data(image), w * 4 * h, NULL);
592
593    // update windows
594    if (isFullscreen) {
595        [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
596        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
597    } else {
598        if (qemu_name)
599            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
600        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
601    }
602
603    if (isResize) {
604        [normalWindow center];
605    }
606}
607
608- (void) toggleFullScreen:(id)sender
609{
610    COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
611
612    if (isFullscreen) { // switch from fullscreen to desktop
613        isFullscreen = FALSE;
614        [self ungrabMouse];
615        [self setContentDimensions];
616        if ([NSView respondsToSelector:@selector(exitFullScreenModeWithOptions:)]) { // test if "exitFullScreenModeWithOptions" is supported on host at runtime
617            [self exitFullScreenModeWithOptions:nil];
618        } else {
619            [fullScreenWindow close];
620            [normalWindow setContentView: self];
621            [normalWindow makeKeyAndOrderFront: self];
622            [NSMenu setMenuBarVisible:YES];
623        }
624    } else { // switch from desktop to fullscreen
625        isFullscreen = TRUE;
626        [normalWindow orderOut: nil]; /* Hide the window */
627        [self grabMouse];
628        [self setContentDimensions];
629        if ([NSView respondsToSelector:@selector(enterFullScreenMode:withOptions:)]) { // test if "enterFullScreenMode:withOptions" is supported on host at runtime
630            [self enterFullScreenMode:[NSScreen mainScreen] withOptions:[NSDictionary dictionaryWithObjectsAndKeys:
631                [NSNumber numberWithBool:NO], NSFullScreenModeAllScreens,
632                [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], kCGDisplayModeIsStretched, nil], NSFullScreenModeSetting,
633                 nil]];
634        } else {
635            [NSMenu setMenuBarVisible:NO];
636            fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
637                styleMask:NSWindowStyleMaskBorderless
638                backing:NSBackingStoreBuffered
639                defer:NO];
640            [fullScreenWindow setAcceptsMouseMovedEvents: YES];
641            [fullScreenWindow setHasShadow:NO];
642            [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
643            [self setFrame:NSMakeRect(cx, cy, cw, ch)];
644            [[fullScreenWindow contentView] addSubview: self];
645            [fullScreenWindow makeKeyAndOrderFront:self];
646        }
647    }
648}
649
650- (void) toggleModifier: (int)keycode {
651    // Toggle the stored state.
652    modifiers_state[keycode] = !modifiers_state[keycode];
653    // Send a keyup or keydown depending on the state.
654    qemu_input_event_send_key_qcode(dcl->con, keycode, modifiers_state[keycode]);
655}
656
657- (void) toggleStatefulModifier: (int)keycode {
658    // Toggle the stored state.
659    modifiers_state[keycode] = !modifiers_state[keycode];
660    // Generate keydown and keyup.
661    qemu_input_event_send_key_qcode(dcl->con, keycode, true);
662    qemu_input_event_send_key_qcode(dcl->con, keycode, false);
663}
664
665// Does the work of sending input to the monitor
666- (void) handleMonitorInput:(NSEvent *)event
667{
668    int keysym = 0;
669    int control_key = 0;
670
671    // if the control key is down
672    if ([event modifierFlags] & NSEventModifierFlagControl) {
673        control_key = 1;
674    }
675
676    /* translates Macintosh keycodes to QEMU's keysym */
677
678    int without_control_translation[] = {
679        [0 ... 0xff] = 0,   // invalid key
680
681        [kVK_UpArrow]       = QEMU_KEY_UP,
682        [kVK_DownArrow]     = QEMU_KEY_DOWN,
683        [kVK_RightArrow]    = QEMU_KEY_RIGHT,
684        [kVK_LeftArrow]     = QEMU_KEY_LEFT,
685        [kVK_Home]          = QEMU_KEY_HOME,
686        [kVK_End]           = QEMU_KEY_END,
687        [kVK_PageUp]        = QEMU_KEY_PAGEUP,
688        [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
689        [kVK_ForwardDelete] = QEMU_KEY_DELETE,
690        [kVK_Delete]        = QEMU_KEY_BACKSPACE,
691    };
692
693    int with_control_translation[] = {
694        [0 ... 0xff] = 0,   // invalid key
695
696        [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
697        [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
698        [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
699        [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
700        [kVK_Home]          = QEMU_KEY_CTRL_HOME,
701        [kVK_End]           = QEMU_KEY_CTRL_END,
702        [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
703        [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
704    };
705
706    if (control_key != 0) { /* If the control key is being used */
707        if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
708            keysym = with_control_translation[[event keyCode]];
709        }
710    } else {
711        if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
712            keysym = without_control_translation[[event keyCode]];
713        }
714    }
715
716    // if not a key that needs translating
717    if (keysym == 0) {
718        NSString *ks = [event characters];
719        if ([ks length] > 0) {
720            keysym = [ks characterAtIndex:0];
721        }
722    }
723
724    if (keysym) {
725        kbd_put_keysym(keysym);
726    }
727}
728
729- (bool) handleEvent:(NSEvent *)event
730{
731    return bool_with_iothread_lock(^{
732        return [self handleEventLocked:event];
733    });
734}
735
736- (bool) handleEventLocked:(NSEvent *)event
737{
738    /* Return true if we handled the event, false if it should be given to OSX */
739    COCOA_DEBUG("QemuCocoaView: handleEvent\n");
740    int buttons = 0;
741    int keycode = 0;
742    bool mouse_event = false;
743    static bool switched_to_fullscreen = false;
744    // Location of event in virtual screen coordinates
745    NSPoint p = [self screenLocationOfEvent:event];
746
747    switch ([event type]) {
748        case NSEventTypeFlagsChanged:
749            if ([event keyCode] == 0) {
750                // When the Cocoa keyCode is zero that means keys should be
751                // synthesized based on the values in in the eventModifiers
752                // bitmask.
753
754                if (qemu_console_is_graphic(NULL)) {
755                    NSUInteger modifiers = [event modifierFlags];
756
757                    if (!!(modifiers & NSEventModifierFlagCapsLock) != !!modifiers_state[Q_KEY_CODE_CAPS_LOCK]) {
758                        [self toggleStatefulModifier:Q_KEY_CODE_CAPS_LOCK];
759                    }
760                    if (!!(modifiers & NSEventModifierFlagShift) != !!modifiers_state[Q_KEY_CODE_SHIFT]) {
761                        [self toggleModifier:Q_KEY_CODE_SHIFT];
762                    }
763                    if (!!(modifiers & NSEventModifierFlagControl) != !!modifiers_state[Q_KEY_CODE_CTRL]) {
764                        [self toggleModifier:Q_KEY_CODE_CTRL];
765                    }
766                    if (!!(modifiers & NSEventModifierFlagOption) != !!modifiers_state[Q_KEY_CODE_ALT]) {
767                        [self toggleModifier:Q_KEY_CODE_ALT];
768                    }
769                    if (!!(modifiers & NSEventModifierFlagCommand) != !!modifiers_state[Q_KEY_CODE_META_L]) {
770                        [self toggleModifier:Q_KEY_CODE_META_L];
771                    }
772                }
773            } else {
774                keycode = cocoa_keycode_to_qemu([event keyCode]);
775            }
776
777            if ((keycode == Q_KEY_CODE_META_L || keycode == Q_KEY_CODE_META_R)
778               && !isMouseGrabbed) {
779              /* Don't pass command key changes to guest unless mouse is grabbed */
780              keycode = 0;
781            }
782
783            if (keycode) {
784                // emulate caps lock and num lock keydown and keyup
785                if (keycode == Q_KEY_CODE_CAPS_LOCK ||
786                    keycode == Q_KEY_CODE_NUM_LOCK) {
787                    [self toggleStatefulModifier:keycode];
788                } else if (qemu_console_is_graphic(NULL)) {
789                    if (switched_to_fullscreen) {
790                        switched_to_fullscreen = false;
791                    } else {
792                        [self toggleModifier:keycode];
793                    }
794                }
795            }
796
797            break;
798        case NSEventTypeKeyDown:
799            keycode = cocoa_keycode_to_qemu([event keyCode]);
800
801            // forward command key combos to the host UI unless the mouse is grabbed
802            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
803                /*
804                 * Prevent the command key from being stuck down in the guest
805                 * when using Command-F to switch to full screen mode.
806                 */
807                if (keycode == Q_KEY_CODE_F) {
808                    switched_to_fullscreen = true;
809                }
810                return false;
811            }
812
813            // default
814
815            // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
816            if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
817                NSString *keychar = [event charactersIgnoringModifiers];
818                if ([keychar length] == 1) {
819                    char key = [keychar characterAtIndex:0];
820                    switch (key) {
821
822                        // enable graphic console
823                        case '1' ... '9':
824                            console_select(key - '0' - 1); /* ascii math */
825                            return true;
826
827                        // release the mouse grab
828                        case 'g':
829                            [self ungrabMouse];
830                            return true;
831                    }
832                }
833            }
834
835            if (qemu_console_is_graphic(NULL)) {
836                qemu_input_event_send_key_qcode(dcl->con, keycode, true);
837            } else {
838                [self handleMonitorInput: event];
839            }
840            break;
841        case NSEventTypeKeyUp:
842            keycode = cocoa_keycode_to_qemu([event keyCode]);
843
844            // don't pass the guest a spurious key-up if we treated this
845            // command-key combo as a host UI action
846            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
847                return true;
848            }
849
850            if (qemu_console_is_graphic(NULL)) {
851                qemu_input_event_send_key_qcode(dcl->con, keycode, false);
852            }
853            break;
854        case NSEventTypeMouseMoved:
855            if (isAbsoluteEnabled) {
856                // Cursor re-entered into a window might generate events bound to screen coordinates
857                // and `nil` window property, and in full screen mode, current window might not be
858                // key window, where event location alone should suffice.
859                if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
860                    if (isMouseGrabbed) {
861                        [self ungrabMouse];
862                    }
863                } else {
864                    if (!isMouseGrabbed) {
865                        [self grabMouse];
866                    }
867                }
868            }
869            mouse_event = true;
870            break;
871        case NSEventTypeLeftMouseDown:
872            if ([event modifierFlags] & NSEventModifierFlagCommand) {
873                buttons |= MOUSE_EVENT_RBUTTON;
874            } else {
875                buttons |= MOUSE_EVENT_LBUTTON;
876            }
877            mouse_event = true;
878            break;
879        case NSEventTypeRightMouseDown:
880            buttons |= MOUSE_EVENT_RBUTTON;
881            mouse_event = true;
882            break;
883        case NSEventTypeOtherMouseDown:
884            buttons |= MOUSE_EVENT_MBUTTON;
885            mouse_event = true;
886            break;
887        case NSEventTypeLeftMouseDragged:
888            if ([event modifierFlags] & NSEventModifierFlagCommand) {
889                buttons |= MOUSE_EVENT_RBUTTON;
890            } else {
891                buttons |= MOUSE_EVENT_LBUTTON;
892            }
893            mouse_event = true;
894            break;
895        case NSEventTypeRightMouseDragged:
896            buttons |= MOUSE_EVENT_RBUTTON;
897            mouse_event = true;
898            break;
899        case NSEventTypeOtherMouseDragged:
900            buttons |= MOUSE_EVENT_MBUTTON;
901            mouse_event = true;
902            break;
903        case NSEventTypeLeftMouseUp:
904            mouse_event = true;
905            if (!isMouseGrabbed && [self screenContainsPoint:p]) {
906                /*
907                 * In fullscreen mode, the window of cocoaView may not be the
908                 * key window, therefore the position relative to the virtual
909                 * screen alone will be sufficient.
910                 */
911                if(isFullscreen || [[self window] isKeyWindow]) {
912                    [self grabMouse];
913                }
914            }
915            break;
916        case NSEventTypeRightMouseUp:
917            mouse_event = true;
918            break;
919        case NSEventTypeOtherMouseUp:
920            mouse_event = true;
921            break;
922        case NSEventTypeScrollWheel:
923            /*
924             * Send wheel events to the guest regardless of window focus.
925             * This is in-line with standard Mac OS X UI behaviour.
926             */
927
928            /*
929             * When deltaY is zero, it means that this scrolling event was
930             * either horizontal, or so fine that it only appears in
931             * scrollingDeltaY. So we drop the event.
932             */
933            if ([event deltaY] != 0) {
934            /* Determine if this is a scroll up or scroll down event */
935                buttons = ([event deltaY] > 0) ?
936                    INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
937                qemu_input_queue_btn(dcl->con, buttons, true);
938                qemu_input_event_sync();
939                qemu_input_queue_btn(dcl->con, buttons, false);
940                qemu_input_event_sync();
941            }
942            /*
943             * Since deltaY also reports scroll wheel events we prevent mouse
944             * movement code from executing.
945             */
946            mouse_event = false;
947            break;
948        default:
949            return false;
950    }
951
952    if (mouse_event) {
953        /* Don't send button events to the guest unless we've got a
954         * mouse grab or window focus. If we have neither then this event
955         * is the user clicking on the background window to activate and
956         * bring us to the front, which will be done by the sendEvent
957         * call below. We definitely don't want to pass that click through
958         * to the guest.
959         */
960        if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
961            (last_buttons != buttons)) {
962            static uint32_t bmap[INPUT_BUTTON__MAX] = {
963                [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
964                [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
965                [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
966            };
967            qemu_input_update_buttons(dcl->con, bmap, last_buttons, buttons);
968            last_buttons = buttons;
969        }
970        if (isMouseGrabbed) {
971            if (isAbsoluteEnabled) {
972                /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
973                 * The check on screenContainsPoint is to avoid sending out of range values for
974                 * clicks in the titlebar.
975                 */
976                if ([self screenContainsPoint:p]) {
977                    qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, 0, screen.width);
978                    qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
979                }
980            } else {
981                qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]);
982                qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, (int)[event deltaY]);
983            }
984        } else {
985            return false;
986        }
987        qemu_input_event_sync();
988    }
989    return true;
990}
991
992- (void) grabMouse
993{
994    COCOA_DEBUG("QemuCocoaView: grabMouse\n");
995
996    if (!isFullscreen) {
997        if (qemu_name)
998            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
999        else
1000            [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
1001    }
1002    [self hideCursor];
1003    if (!isAbsoluteEnabled) {
1004        isMouseDeassociated = TRUE;
1005        CGAssociateMouseAndMouseCursorPosition(FALSE);
1006    }
1007    isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
1008}
1009
1010- (void) ungrabMouse
1011{
1012    COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
1013
1014    if (!isFullscreen) {
1015        if (qemu_name)
1016            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
1017        else
1018            [normalWindow setTitle:@"QEMU"];
1019    }
1020    [self unhideCursor];
1021    if (isMouseDeassociated) {
1022        CGAssociateMouseAndMouseCursorPosition(TRUE);
1023        isMouseDeassociated = FALSE;
1024    }
1025    isMouseGrabbed = FALSE;
1026}
1027
1028- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
1029- (BOOL) isMouseGrabbed {return isMouseGrabbed;}
1030- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
1031- (BOOL) isMouseDeassociated {return isMouseDeassociated;}
1032- (float) cdx {return cdx;}
1033- (float) cdy {return cdy;}
1034- (QEMUScreen) gscreen {return screen;}
1035
1036/*
1037 * Makes the target think all down keys are being released.
1038 * This prevents a stuck key problem, since we will not see
1039 * key up events for those keys after we have lost focus.
1040 */
1041- (void) raiseAllKeys
1042{
1043    const int max_index = ARRAY_SIZE(modifiers_state);
1044
1045    with_iothread_lock(^{
1046        int index;
1047
1048        for (index = 0; index < max_index; index++) {
1049            if (modifiers_state[index]) {
1050                modifiers_state[index] = 0;
1051                qemu_input_event_send_key_qcode(dcl->con, index, false);
1052            }
1053        }
1054    });
1055}
1056@end
1057
1058
1059
1060/*
1061 ------------------------------------------------------
1062    QemuCocoaAppController
1063 ------------------------------------------------------
1064*/
1065@interface QemuCocoaAppController : NSObject
1066#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6)
1067                                       <NSWindowDelegate, NSApplicationDelegate>
1068#endif
1069{
1070}
1071- (void)doToggleFullScreen:(id)sender;
1072- (void)toggleFullScreen:(id)sender;
1073- (void)showQEMUDoc:(id)sender;
1074- (void)zoomToFit:(id) sender;
1075- (void)displayConsole:(id)sender;
1076- (void)pauseQEMU:(id)sender;
1077- (void)resumeQEMU:(id)sender;
1078- (void)displayPause;
1079- (void)removePause;
1080- (void)restartQEMU:(id)sender;
1081- (void)powerDownQEMU:(id)sender;
1082- (void)ejectDeviceMedia:(id)sender;
1083- (void)changeDeviceMedia:(id)sender;
1084- (BOOL)verifyQuit;
1085- (void)openDocumentation:(NSString *)filename;
1086- (IBAction) do_about_menu_item: (id) sender;
1087- (void)make_about_window;
1088- (void)adjustSpeed:(id)sender;
1089@end
1090
1091@implementation QemuCocoaAppController
1092- (id) init
1093{
1094    COCOA_DEBUG("QemuCocoaAppController: init\n");
1095
1096    self = [super init];
1097    if (self) {
1098
1099        // create a view and add it to the window
1100        cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
1101        if(!cocoaView) {
1102            fprintf(stderr, "(cocoa) can't create a view\n");
1103            exit(1);
1104        }
1105
1106        // create a window
1107        normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
1108            styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
1109            backing:NSBackingStoreBuffered defer:NO];
1110        if(!normalWindow) {
1111            fprintf(stderr, "(cocoa) can't create window\n");
1112            exit(1);
1113        }
1114        [normalWindow setAcceptsMouseMovedEvents:YES];
1115        [normalWindow setTitle:@"QEMU"];
1116        [normalWindow setContentView:cocoaView];
1117#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_10)
1118        [normalWindow useOptimizedDrawing:YES];
1119#endif
1120        [normalWindow makeKeyAndOrderFront:self];
1121        [normalWindow center];
1122        [normalWindow setDelegate: self];
1123        stretch_video = false;
1124
1125        /* Used for displaying pause on the screen */
1126        pauseLabel = [NSTextField new];
1127        [pauseLabel setBezeled:YES];
1128        [pauseLabel setDrawsBackground:YES];
1129        [pauseLabel setBackgroundColor: [NSColor whiteColor]];
1130        [pauseLabel setEditable:NO];
1131        [pauseLabel setSelectable:NO];
1132        [pauseLabel setStringValue: @"Paused"];
1133        [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
1134        [pauseLabel setTextColor: [NSColor blackColor]];
1135        [pauseLabel sizeToFit];
1136
1137        // set the supported image file types that can be opened
1138        supportedImageFileTypes = [NSArray arrayWithObjects: @"img", @"iso", @"dmg",
1139                                 @"qcow", @"qcow2", @"cloop", @"vmdk", @"cdr",
1140                                  @"toast", nil];
1141        [self make_about_window];
1142    }
1143    return self;
1144}
1145
1146- (void) dealloc
1147{
1148    COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
1149
1150    if (cocoaView)
1151        [cocoaView release];
1152    [super dealloc];
1153}
1154
1155- (void)applicationDidFinishLaunching: (NSNotification *) note
1156{
1157    COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
1158    /* Tell cocoa_display_init to proceed */
1159    qemu_sem_post(&app_started_sem);
1160}
1161
1162- (void)applicationWillTerminate:(NSNotification *)aNotification
1163{
1164    COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
1165
1166    qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
1167    exit(0);
1168}
1169
1170- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
1171{
1172    return YES;
1173}
1174
1175- (NSApplicationTerminateReply)applicationShouldTerminate:
1176                                                         (NSApplication *)sender
1177{
1178    COCOA_DEBUG("QemuCocoaAppController: applicationShouldTerminate\n");
1179    return [self verifyQuit];
1180}
1181
1182/* Called when the user clicks on a window's close button */
1183- (BOOL)windowShouldClose:(id)sender
1184{
1185    COCOA_DEBUG("QemuCocoaAppController: windowShouldClose\n");
1186    [NSApp terminate: sender];
1187    /* If the user allows the application to quit then the call to
1188     * NSApp terminate will never return. If we get here then the user
1189     * cancelled the quit, so we should return NO to not permit the
1190     * closing of this window.
1191     */
1192    return NO;
1193}
1194
1195/* Called when QEMU goes into the background */
1196- (void) applicationWillResignActive: (NSNotification *)aNotification
1197{
1198    COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
1199    [cocoaView raiseAllKeys];
1200}
1201
1202/* We abstract the method called by the Enter Fullscreen menu item
1203 * because Mac OS 10.7 and higher disables it. This is because of the
1204 * menu item's old selector's name toggleFullScreen:
1205 */
1206- (void) doToggleFullScreen:(id)sender
1207{
1208    [self toggleFullScreen:(id)sender];
1209}
1210
1211- (void)toggleFullScreen:(id)sender
1212{
1213    COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
1214
1215    [cocoaView toggleFullScreen:sender];
1216}
1217
1218/* Tries to find then open the specified filename */
1219- (void) openDocumentation: (NSString *) filename
1220{
1221    /* Where to look for local files */
1222    NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", @"../"};
1223    NSString *full_file_path;
1224
1225    /* iterate thru the possible paths until the file is found */
1226    int index;
1227    for (index = 0; index < ARRAY_SIZE(path_array); index++) {
1228        full_file_path = [[NSBundle mainBundle] executablePath];
1229        full_file_path = [full_file_path stringByDeletingLastPathComponent];
1230        full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
1231                          path_array[index], filename];
1232        if ([[NSWorkspace sharedWorkspace] openFile: full_file_path] == YES) {
1233            return;
1234        }
1235    }
1236
1237    /* If none of the paths opened a file */
1238    NSBeep();
1239    QEMU_Alert(@"Failed to open file");
1240}
1241
1242- (void)showQEMUDoc:(id)sender
1243{
1244    COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
1245
1246    [self openDocumentation: @"qemu-doc.html"];
1247}
1248
1249/* Stretches video to fit host monitor size */
1250- (void)zoomToFit:(id) sender
1251{
1252    stretch_video = !stretch_video;
1253    if (stretch_video == true) {
1254        [sender setState: NSControlStateValueOn];
1255    } else {
1256        [sender setState: NSControlStateValueOff];
1257    }
1258}
1259
1260/* Displays the console on the screen */
1261- (void)displayConsole:(id)sender
1262{
1263    console_select([sender tag]);
1264}
1265
1266/* Pause the guest */
1267- (void)pauseQEMU:(id)sender
1268{
1269    with_iothread_lock(^{
1270        qmp_stop(NULL);
1271    });
1272    [sender setEnabled: NO];
1273    [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
1274    [self displayPause];
1275}
1276
1277/* Resume running the guest operating system */
1278- (void)resumeQEMU:(id) sender
1279{
1280    with_iothread_lock(^{
1281        qmp_cont(NULL);
1282    });
1283    [sender setEnabled: NO];
1284    [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
1285    [self removePause];
1286}
1287
1288/* Displays the word pause on the screen */
1289- (void)displayPause
1290{
1291    /* Coordinates have to be calculated each time because the window can change its size */
1292    int xCoord, yCoord, width, height;
1293    xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
1294    yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
1295    width = [pauseLabel frame].size.width;
1296    height = [pauseLabel frame].size.height;
1297    [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
1298    [cocoaView addSubview: pauseLabel];
1299}
1300
1301/* Removes the word pause from the screen */
1302- (void)removePause
1303{
1304    [pauseLabel removeFromSuperview];
1305}
1306
1307/* Restarts QEMU */
1308- (void)restartQEMU:(id)sender
1309{
1310    with_iothread_lock(^{
1311        qmp_system_reset(NULL);
1312    });
1313}
1314
1315/* Powers down QEMU */
1316- (void)powerDownQEMU:(id)sender
1317{
1318    with_iothread_lock(^{
1319        qmp_system_powerdown(NULL);
1320    });
1321}
1322
1323/* Ejects the media.
1324 * Uses sender's tag to figure out the device to eject.
1325 */
1326- (void)ejectDeviceMedia:(id)sender
1327{
1328    NSString * drive;
1329    drive = [sender representedObject];
1330    if(drive == nil) {
1331        NSBeep();
1332        QEMU_Alert(@"Failed to find drive to eject!");
1333        return;
1334    }
1335
1336    __block Error *err = NULL;
1337    with_iothread_lock(^{
1338        qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
1339                  false, NULL, false, false, &err);
1340    });
1341    handleAnyDeviceErrors(err);
1342}
1343
1344/* Displays a dialog box asking the user to select an image file to load.
1345 * Uses sender's represented object value to figure out which drive to use.
1346 */
1347- (void)changeDeviceMedia:(id)sender
1348{
1349    /* Find the drive name */
1350    NSString * drive;
1351    drive = [sender representedObject];
1352    if(drive == nil) {
1353        NSBeep();
1354        QEMU_Alert(@"Could not find drive!");
1355        return;
1356    }
1357
1358    /* Display the file open dialog */
1359    NSOpenPanel * openPanel;
1360    openPanel = [NSOpenPanel openPanel];
1361    [openPanel setCanChooseFiles: YES];
1362    [openPanel setAllowsMultipleSelection: NO];
1363    [openPanel setAllowedFileTypes: supportedImageFileTypes];
1364    if([openPanel runModal] == NSModalResponseOK) {
1365        NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
1366        if(file == nil) {
1367            NSBeep();
1368            QEMU_Alert(@"Failed to convert URL to file path!");
1369            return;
1370        }
1371
1372        __block Error *err = NULL;
1373        with_iothread_lock(^{
1374            qmp_blockdev_change_medium(true,
1375                                       [drive cStringUsingEncoding:
1376                                                  NSASCIIStringEncoding],
1377                                       false, NULL,
1378                                       [file cStringUsingEncoding:
1379                                                 NSASCIIStringEncoding],
1380                                       true, "raw",
1381                                       false, 0,
1382                                       &err);
1383        });
1384        handleAnyDeviceErrors(err);
1385    }
1386}
1387
1388/* Verifies if the user really wants to quit */
1389- (BOOL)verifyQuit
1390{
1391    NSAlert *alert = [NSAlert new];
1392    [alert autorelease];
1393    [alert setMessageText: @"Are you sure you want to quit QEMU?"];
1394    [alert addButtonWithTitle: @"Cancel"];
1395    [alert addButtonWithTitle: @"Quit"];
1396    if([alert runModal] == NSAlertSecondButtonReturn) {
1397        return YES;
1398    } else {
1399        return NO;
1400    }
1401}
1402
1403/* The action method for the About menu item */
1404- (IBAction) do_about_menu_item: (id) sender
1405{
1406    [about_window makeKeyAndOrderFront: nil];
1407}
1408
1409/* Create and display the about dialog */
1410- (void)make_about_window
1411{
1412    /* Make the window */
1413    int x = 0, y = 0, about_width = 400, about_height = 200;
1414    NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
1415    about_window = [[NSWindow alloc] initWithContentRect:window_rect
1416                    styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
1417                    NSWindowStyleMaskMiniaturizable
1418                    backing:NSBackingStoreBuffered
1419                    defer:NO];
1420    [about_window setTitle: @"About"];
1421    [about_window setReleasedWhenClosed: NO];
1422    [about_window center];
1423    NSView *superView = [about_window contentView];
1424
1425    /* Create the dimensions of the picture */
1426    int picture_width = 80, picture_height = 80;
1427    x = (about_width - picture_width)/2;
1428    y = about_height - picture_height - 10;
1429    NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
1430
1431    /* Get the path to the QEMU binary */
1432    NSString *binary_name = [NSString stringWithCString: gArgv[0]
1433                                      encoding: NSASCIIStringEncoding];
1434    binary_name = [binary_name lastPathComponent];
1435    NSString *program_path = [[NSString alloc] initWithFormat: @"%@/%@",
1436    [[NSBundle mainBundle] bundlePath], binary_name];
1437
1438    /* Make the picture of QEMU */
1439    NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
1440                                                     picture_rect];
1441    NSImage *qemu_image = [[NSWorkspace sharedWorkspace] iconForFile:
1442                                                         program_path];
1443    [picture_view setImage: qemu_image];
1444    [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
1445    [superView addSubview: picture_view];
1446
1447    /* Make the name label */
1448    x = 0;
1449    y = y - 25;
1450    int name_width = about_width, name_height = 20;
1451    NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
1452    NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
1453    [name_label setEditable: NO];
1454    [name_label setBezeled: NO];
1455    [name_label setDrawsBackground: NO];
1456    [name_label setAlignment: NSTextAlignmentCenter];
1457    NSString *qemu_name = [[NSString alloc] initWithCString: gArgv[0]
1458                                            encoding: NSASCIIStringEncoding];
1459    qemu_name = [qemu_name lastPathComponent];
1460    [name_label setStringValue: qemu_name];
1461    [superView addSubview: name_label];
1462
1463    /* Set the version label's attributes */
1464    x = 0;
1465    y = 50;
1466    int version_width = about_width, version_height = 20;
1467    NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
1468    NSTextField *version_label = [[NSTextField alloc] initWithFrame:
1469                                                      version_rect];
1470    [version_label setEditable: NO];
1471    [version_label setBezeled: NO];
1472    [version_label setAlignment: NSTextAlignmentCenter];
1473    [version_label setDrawsBackground: NO];
1474
1475    /* Create the version string*/
1476    NSString *version_string;
1477    version_string = [[NSString alloc] initWithFormat:
1478    @"QEMU emulator version %s", QEMU_FULL_VERSION];
1479    [version_label setStringValue: version_string];
1480    [superView addSubview: version_label];
1481
1482    /* Make copyright label */
1483    x = 0;
1484    y = 35;
1485    int copyright_width = about_width, copyright_height = 20;
1486    NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
1487    NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
1488                                                        copyright_rect];
1489    [copyright_label setEditable: NO];
1490    [copyright_label setBezeled: NO];
1491    [copyright_label setDrawsBackground: NO];
1492    [copyright_label setAlignment: NSTextAlignmentCenter];
1493    [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
1494                                     QEMU_COPYRIGHT]];
1495    [superView addSubview: copyright_label];
1496}
1497
1498/* Used by the Speed menu items */
1499- (void)adjustSpeed:(id)sender
1500{
1501    int throttle_pct; /* throttle percentage */
1502    NSMenu *menu;
1503
1504    menu = [sender menu];
1505    if (menu != nil)
1506    {
1507        /* Unselect the currently selected item */
1508        for (NSMenuItem *item in [menu itemArray]) {
1509            if (item.state == NSControlStateValueOn) {
1510                [item setState: NSControlStateValueOff];
1511                break;
1512            }
1513        }
1514    }
1515
1516    // check the menu item
1517    [sender setState: NSControlStateValueOn];
1518
1519    // get the throttle percentage
1520    throttle_pct = [sender tag];
1521
1522    with_iothread_lock(^{
1523        cpu_throttle_set(throttle_pct);
1524    });
1525    COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
1526}
1527
1528@end
1529
1530@interface QemuApplication : NSApplication
1531@end
1532
1533@implementation QemuApplication
1534- (void)sendEvent:(NSEvent *)event
1535{
1536    COCOA_DEBUG("QemuApplication: sendEvent\n");
1537    if (![cocoaView handleEvent:event]) {
1538        [super sendEvent: event];
1539    }
1540}
1541@end
1542
1543static void create_initial_menus(void)
1544{
1545    // Add menus
1546    NSMenu      *menu;
1547    NSMenuItem  *menuItem;
1548
1549    [NSApp setMainMenu:[[NSMenu alloc] init]];
1550
1551    // Application menu
1552    menu = [[NSMenu alloc] initWithTitle:@""];
1553    [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
1554    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1555    [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1556    menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1557    [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
1558    [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1559    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1560    [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1561    menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1562    [menuItem setSubmenu:menu];
1563    [[NSApp mainMenu] addItem:menuItem];
1564    [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1565
1566    // Machine menu
1567    menu = [[NSMenu alloc] initWithTitle: @"Machine"];
1568    [menu setAutoenablesItems: NO];
1569    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
1570    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
1571    [menu addItem: menuItem];
1572    [menuItem setEnabled: NO];
1573    [menu addItem: [NSMenuItem separatorItem]];
1574    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
1575    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
1576    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
1577    [menuItem setSubmenu:menu];
1578    [[NSApp mainMenu] addItem:menuItem];
1579
1580    // View menu
1581    menu = [[NSMenu alloc] initWithTitle:@"View"];
1582    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1583    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1584    menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1585    [menuItem setSubmenu:menu];
1586    [[NSApp mainMenu] addItem:menuItem];
1587
1588    // Speed menu
1589    menu = [[NSMenu alloc] initWithTitle:@"Speed"];
1590
1591    // Add the rest of the Speed menu items
1592    int p, percentage, throttle_pct;
1593    for (p = 10; p >= 0; p--)
1594    {
1595        percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
1596
1597        menuItem = [[[NSMenuItem alloc]
1598                   initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
1599
1600        if (percentage == 100) {
1601            [menuItem setState: NSControlStateValueOn];
1602        }
1603
1604        /* Calculate the throttle percentage */
1605        throttle_pct = -1 * percentage + 100;
1606
1607        [menuItem setTag: throttle_pct];
1608        [menu addItem: menuItem];
1609    }
1610    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
1611    [menuItem setSubmenu:menu];
1612    [[NSApp mainMenu] addItem:menuItem];
1613
1614    // Window menu
1615    menu = [[NSMenu alloc] initWithTitle:@"Window"];
1616    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1617    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1618    [menuItem setSubmenu:menu];
1619    [[NSApp mainMenu] addItem:menuItem];
1620    [NSApp setWindowsMenu:menu];
1621
1622    // Help menu
1623    menu = [[NSMenu alloc] initWithTitle:@"Help"];
1624    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1625    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1626    [menuItem setSubmenu:menu];
1627    [[NSApp mainMenu] addItem:menuItem];
1628}
1629
1630/* Returns a name for a given console */
1631static NSString * getConsoleName(QemuConsole * console)
1632{
1633    return [NSString stringWithFormat: @"%s", qemu_console_get_label(console)];
1634}
1635
1636/* Add an entry to the View menu for each console */
1637static void add_console_menu_entries(void)
1638{
1639    NSMenu *menu;
1640    NSMenuItem *menuItem;
1641    int index = 0;
1642
1643    menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
1644
1645    [menu addItem:[NSMenuItem separatorItem]];
1646
1647    while (qemu_console_lookup_by_index(index) != NULL) {
1648        menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
1649                                               action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
1650        [menuItem setTag: index];
1651        [menu addItem: menuItem];
1652        index++;
1653    }
1654}
1655
1656/* Make menu items for all removable devices.
1657 * Each device is given an 'Eject' and 'Change' menu item.
1658 */
1659static void addRemovableDevicesMenuItems(void)
1660{
1661    NSMenu *menu;
1662    NSMenuItem *menuItem;
1663    BlockInfoList *currentDevice, *pointerToFree;
1664    NSString *deviceName;
1665
1666    currentDevice = qmp_query_block(NULL);
1667    pointerToFree = currentDevice;
1668    if(currentDevice == NULL) {
1669        NSBeep();
1670        QEMU_Alert(@"Failed to query for block devices!");
1671        return;
1672    }
1673
1674    menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
1675
1676    // Add a separator between related groups of menu items
1677    [menu addItem:[NSMenuItem separatorItem]];
1678
1679    // Set the attributes to the "Removable Media" menu item
1680    NSString *titleString = @"Removable Media";
1681    NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
1682    NSColor *newColor = [NSColor blackColor];
1683    NSFontManager *fontManager = [NSFontManager sharedFontManager];
1684    NSFont *font = [fontManager fontWithFamily:@"Helvetica"
1685                                          traits:NSBoldFontMask|NSItalicFontMask
1686                                          weight:0
1687                                            size:14];
1688    [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
1689    [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
1690    [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
1691
1692    // Add the "Removable Media" menu item
1693    menuItem = [NSMenuItem new];
1694    [menuItem setAttributedTitle: attString];
1695    [menuItem setEnabled: NO];
1696    [menu addItem: menuItem];
1697
1698    /* Loop through all the block devices in the emulator */
1699    while (currentDevice) {
1700        deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
1701
1702        if(currentDevice->value->removable) {
1703            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
1704                                                  action: @selector(changeDeviceMedia:)
1705                                           keyEquivalent: @""];
1706            [menu addItem: menuItem];
1707            [menuItem setRepresentedObject: deviceName];
1708            [menuItem autorelease];
1709
1710            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
1711                                                  action: @selector(ejectDeviceMedia:)
1712                                           keyEquivalent: @""];
1713            [menu addItem: menuItem];
1714            [menuItem setRepresentedObject: deviceName];
1715            [menuItem autorelease];
1716        }
1717        currentDevice = currentDevice->next;
1718    }
1719    qapi_free_BlockInfoList(pointerToFree);
1720}
1721
1722/*
1723 * The startup process for the OSX/Cocoa UI is complicated, because
1724 * OSX insists that the UI runs on the initial main thread, and so we
1725 * need to start a second thread which runs the vl.c qemu_main():
1726 *
1727 * Initial thread:                    2nd thread:
1728 * in main():
1729 *  create qemu-main thread
1730 *  wait on display_init semaphore
1731 *                                    call qemu_main()
1732 *                                    ...
1733 *                                    in cocoa_display_init():
1734 *                                     post the display_init semaphore
1735 *                                     wait on app_started semaphore
1736 *  create application, menus, etc
1737 *  enter OSX run loop
1738 * in applicationDidFinishLaunching:
1739 *  post app_started semaphore
1740 *                                     tell main thread to fullscreen if needed
1741 *                                    [...]
1742 *                                    run qemu main-loop
1743 *
1744 * We do this in two stages so that we don't do the creation of the
1745 * GUI application menus and so on for command line options like --help
1746 * where we want to just print text to stdout and exit immediately.
1747 */
1748
1749static void *call_qemu_main(void *opaque)
1750{
1751    int status;
1752
1753    COCOA_DEBUG("Second thread: calling qemu_main()\n");
1754    status = qemu_main(gArgc, gArgv, *_NSGetEnviron());
1755    COCOA_DEBUG("Second thread: qemu_main() returned, exiting\n");
1756    exit(status);
1757}
1758
1759int main (int argc, const char * argv[]) {
1760    QemuThread thread;
1761
1762    COCOA_DEBUG("Entered main()\n");
1763    gArgc = argc;
1764    gArgv = (char **)argv;
1765
1766    qemu_sem_init(&display_init_sem, 0);
1767    qemu_sem_init(&app_started_sem, 0);
1768
1769    qemu_thread_create(&thread, "qemu_main", call_qemu_main,
1770                       NULL, QEMU_THREAD_DETACHED);
1771
1772    COCOA_DEBUG("Main thread: waiting for display_init_sem\n");
1773    qemu_sem_wait(&display_init_sem);
1774    COCOA_DEBUG("Main thread: initializing app\n");
1775
1776    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1777
1778    // Pull this console process up to being a fully-fledged graphical
1779    // app with a menubar and Dock icon
1780    ProcessSerialNumber psn = { 0, kCurrentProcess };
1781    TransformProcessType(&psn, kProcessTransformToForegroundApplication);
1782
1783    [QemuApplication sharedApplication];
1784
1785    create_initial_menus();
1786
1787    /*
1788     * Create the menu entries which depend on QEMU state (for consoles
1789     * and removeable devices). These make calls back into QEMU functions,
1790     * which is OK because at this point we know that the second thread
1791     * holds the iothread lock and is synchronously waiting for us to
1792     * finish.
1793     */
1794    add_console_menu_entries();
1795    addRemovableDevicesMenuItems();
1796
1797    // Create an Application controller
1798    QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1799    [NSApp setDelegate:appController];
1800
1801    // Start the main event loop
1802    COCOA_DEBUG("Main thread: entering OSX run loop\n");
1803    [NSApp run];
1804    COCOA_DEBUG("Main thread: left OSX run loop, exiting\n");
1805
1806    [appController release];
1807    [pool release];
1808
1809    return 0;
1810}
1811
1812
1813
1814#pragma mark qemu
1815static void cocoa_update(DisplayChangeListener *dcl,
1816                         int x, int y, int w, int h)
1817{
1818    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1819
1820    COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1821
1822    dispatch_async(dispatch_get_main_queue(), ^{
1823        NSRect rect;
1824        if ([cocoaView cdx] == 1.0) {
1825            rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1826        } else {
1827            rect = NSMakeRect(
1828                x * [cocoaView cdx],
1829                ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1830                w * [cocoaView cdx],
1831                h * [cocoaView cdy]);
1832        }
1833        [cocoaView setNeedsDisplayInRect:rect];
1834    });
1835
1836    [pool release];
1837}
1838
1839static void cocoa_switch(DisplayChangeListener *dcl,
1840                         DisplaySurface *surface)
1841{
1842    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1843    pixman_image_t *image = surface->image;
1844
1845    COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1846
1847    // The DisplaySurface will be freed as soon as this callback returns.
1848    // We take a reference to the underlying pixman image here so it does
1849    // not disappear from under our feet; the switchSurface method will
1850    // deref the old image when it is done with it.
1851    pixman_image_ref(image);
1852
1853    dispatch_async(dispatch_get_main_queue(), ^{
1854        [cocoaView switchSurface:image];
1855    });
1856    [pool release];
1857}
1858
1859static void cocoa_refresh(DisplayChangeListener *dcl)
1860{
1861    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1862
1863    COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1864    graphic_hw_update(NULL);
1865
1866    if (qemu_input_is_absolute()) {
1867        dispatch_async(dispatch_get_main_queue(), ^{
1868            if (![cocoaView isAbsoluteEnabled]) {
1869                if ([cocoaView isMouseGrabbed]) {
1870                    [cocoaView ungrabMouse];
1871                }
1872            }
1873            [cocoaView setAbsoluteEnabled:YES];
1874        });
1875    }
1876    [pool release];
1877}
1878
1879static void cocoa_cleanup(void)
1880{
1881    COCOA_DEBUG("qemu_cocoa: cocoa_cleanup\n");
1882    g_free(dcl);
1883}
1884
1885static const DisplayChangeListenerOps dcl_ops = {
1886    .dpy_name          = "cocoa",
1887    .dpy_gfx_update = cocoa_update,
1888    .dpy_gfx_switch = cocoa_switch,
1889    .dpy_refresh = cocoa_refresh,
1890};
1891
1892static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
1893{
1894    COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1895
1896    /* Tell main thread to go ahead and create the app and enter the run loop */
1897    qemu_sem_post(&display_init_sem);
1898    qemu_sem_wait(&app_started_sem);
1899    COCOA_DEBUG("cocoa_display_init: app start completed\n");
1900
1901    /* if fullscreen mode is to be used */
1902    if (opts->has_full_screen && opts->full_screen) {
1903        dispatch_async(dispatch_get_main_queue(), ^{
1904            [NSApp activateIgnoringOtherApps: YES];
1905            [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1906        });
1907    }
1908
1909    dcl = g_malloc0(sizeof(DisplayChangeListener));
1910
1911    // register vga output callbacks
1912    dcl->ops = &dcl_ops;
1913    register_displaychangelistener(dcl);
1914
1915    // register cleanup function
1916    atexit(cocoa_cleanup);
1917}
1918
1919static QemuDisplay qemu_display_cocoa = {
1920    .type       = DISPLAY_TYPE_COCOA,
1921    .init       = cocoa_display_init,
1922};
1923
1924static void register_cocoa(void)
1925{
1926    qemu_display_register(&qemu_display_cocoa);
1927}
1928
1929type_init(register_cocoa);
1930