xref: /openbmc/qemu/ui/cocoa.m (revision 8e6fe6b8) 
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/module.h"
40#include <Carbon/Carbon.h>
41#include "qom/cpu.h"
42
43#ifndef MAC_OS_X_VERSION_10_5
44#define MAC_OS_X_VERSION_10_5 1050
45#endif
46#ifndef MAC_OS_X_VERSION_10_6
47#define MAC_OS_X_VERSION_10_6 1060
48#endif
49#ifndef MAC_OS_X_VERSION_10_9
50#define MAC_OS_X_VERSION_10_9 1090
51#endif
52#ifndef MAC_OS_X_VERSION_10_10
53#define MAC_OS_X_VERSION_10_10 101000
54#endif
55#ifndef MAC_OS_X_VERSION_10_12
56#define MAC_OS_X_VERSION_10_12 101200
57#endif
58#ifndef MAC_OS_X_VERSION_10_13
59#define MAC_OS_X_VERSION_10_13 101300
60#endif
61
62/* macOS 10.12 deprecated many constants, #define the new names for older SDKs */
63#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_12
64#define NSEventMaskAny                  NSAnyEventMask
65#define NSEventModifierFlagCapsLock     NSAlphaShiftKeyMask
66#define NSEventModifierFlagShift        NSShiftKeyMask
67#define NSEventModifierFlagCommand      NSCommandKeyMask
68#define NSEventModifierFlagControl      NSControlKeyMask
69#define NSEventModifierFlagOption       NSAlternateKeyMask
70#define NSEventTypeFlagsChanged         NSFlagsChanged
71#define NSEventTypeKeyUp                NSKeyUp
72#define NSEventTypeKeyDown              NSKeyDown
73#define NSEventTypeMouseMoved           NSMouseMoved
74#define NSEventTypeLeftMouseDown        NSLeftMouseDown
75#define NSEventTypeRightMouseDown       NSRightMouseDown
76#define NSEventTypeOtherMouseDown       NSOtherMouseDown
77#define NSEventTypeLeftMouseDragged     NSLeftMouseDragged
78#define NSEventTypeRightMouseDragged    NSRightMouseDragged
79#define NSEventTypeOtherMouseDragged    NSOtherMouseDragged
80#define NSEventTypeLeftMouseUp          NSLeftMouseUp
81#define NSEventTypeRightMouseUp         NSRightMouseUp
82#define NSEventTypeOtherMouseUp         NSOtherMouseUp
83#define NSEventTypeScrollWheel          NSScrollWheel
84#define NSTextAlignmentCenter           NSCenterTextAlignment
85#define NSWindowStyleMaskBorderless     NSBorderlessWindowMask
86#define NSWindowStyleMaskClosable       NSClosableWindowMask
87#define NSWindowStyleMaskMiniaturizable NSMiniaturizableWindowMask
88#define NSWindowStyleMaskTitled         NSTitledWindowMask
89#endif
90/* 10.13 deprecates NSFileHandlingPanelOKButton in favour of
91 * NSModalResponseOK, which was introduced in 10.9. Define
92 * it for older versions.
93 */
94#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_9
95#define NSModalResponseOK NSFileHandlingPanelOKButton
96#endif
97/* 10.14 deprecates NSOnState and NSOffState in favor of
98 * NSControlStateValueOn/Off, which were introduced in 10.13.
99 * Define for older versions
100 */
101#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
102#define NSControlStateValueOn NSOnState
103#define NSControlStateValueOff NSOffState
104#endif
105
106//#define DEBUG
107
108#ifdef DEBUG
109#define COCOA_DEBUG(...)  { (void) fprintf (stdout, __VA_ARGS__); }
110#else
111#define COCOA_DEBUG(...)  ((void) 0)
112#endif
113
114#define cgrect(nsrect) (*(CGRect *)&(nsrect))
115
116typedef struct {
117    int width;
118    int height;
119    int bitsPerComponent;
120    int bitsPerPixel;
121} QEMUScreen;
122
123NSWindow *normalWindow, *about_window;
124static DisplayChangeListener *dcl;
125static int last_buttons;
126
127int gArgc;
128char **gArgv;
129bool stretch_video;
130NSTextField *pauseLabel;
131NSArray * supportedImageFileTypes;
132
133static QemuSemaphore display_init_sem;
134static QemuSemaphore app_started_sem;
135
136// Utility functions to run specified code block with iothread lock held
137typedef void (^CodeBlock)(void);
138typedef bool (^BoolCodeBlock)(void);
139
140static void with_iothread_lock(CodeBlock block)
141{
142    bool locked = qemu_mutex_iothread_locked();
143    if (!locked) {
144        qemu_mutex_lock_iothread();
145    }
146    block();
147    if (!locked) {
148        qemu_mutex_unlock_iothread();
149    }
150}
151
152static bool bool_with_iothread_lock(BoolCodeBlock block)
153{
154    bool locked = qemu_mutex_iothread_locked();
155    bool val;
156
157    if (!locked) {
158        qemu_mutex_lock_iothread();
159    }
160    val = block();
161    if (!locked) {
162        qemu_mutex_unlock_iothread();
163    }
164    return val;
165}
166
167// Mac to QKeyCode conversion
168const int mac_to_qkeycode_map[] = {
169    [kVK_ANSI_A] = Q_KEY_CODE_A,
170    [kVK_ANSI_B] = Q_KEY_CODE_B,
171    [kVK_ANSI_C] = Q_KEY_CODE_C,
172    [kVK_ANSI_D] = Q_KEY_CODE_D,
173    [kVK_ANSI_E] = Q_KEY_CODE_E,
174    [kVK_ANSI_F] = Q_KEY_CODE_F,
175    [kVK_ANSI_G] = Q_KEY_CODE_G,
176    [kVK_ANSI_H] = Q_KEY_CODE_H,
177    [kVK_ANSI_I] = Q_KEY_CODE_I,
178    [kVK_ANSI_J] = Q_KEY_CODE_J,
179    [kVK_ANSI_K] = Q_KEY_CODE_K,
180    [kVK_ANSI_L] = Q_KEY_CODE_L,
181    [kVK_ANSI_M] = Q_KEY_CODE_M,
182    [kVK_ANSI_N] = Q_KEY_CODE_N,
183    [kVK_ANSI_O] = Q_KEY_CODE_O,
184    [kVK_ANSI_P] = Q_KEY_CODE_P,
185    [kVK_ANSI_Q] = Q_KEY_CODE_Q,
186    [kVK_ANSI_R] = Q_KEY_CODE_R,
187    [kVK_ANSI_S] = Q_KEY_CODE_S,
188    [kVK_ANSI_T] = Q_KEY_CODE_T,
189    [kVK_ANSI_U] = Q_KEY_CODE_U,
190    [kVK_ANSI_V] = Q_KEY_CODE_V,
191    [kVK_ANSI_W] = Q_KEY_CODE_W,
192    [kVK_ANSI_X] = Q_KEY_CODE_X,
193    [kVK_ANSI_Y] = Q_KEY_CODE_Y,
194    [kVK_ANSI_Z] = Q_KEY_CODE_Z,
195
196    [kVK_ANSI_0] = Q_KEY_CODE_0,
197    [kVK_ANSI_1] = Q_KEY_CODE_1,
198    [kVK_ANSI_2] = Q_KEY_CODE_2,
199    [kVK_ANSI_3] = Q_KEY_CODE_3,
200    [kVK_ANSI_4] = Q_KEY_CODE_4,
201    [kVK_ANSI_5] = Q_KEY_CODE_5,
202    [kVK_ANSI_6] = Q_KEY_CODE_6,
203    [kVK_ANSI_7] = Q_KEY_CODE_7,
204    [kVK_ANSI_8] = Q_KEY_CODE_8,
205    [kVK_ANSI_9] = Q_KEY_CODE_9,
206
207    [kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
208    [kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
209    [kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
210    [kVK_Delete] = Q_KEY_CODE_BACKSPACE,
211    [kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
212    [kVK_Tab] = Q_KEY_CODE_TAB,
213    [kVK_Return] = Q_KEY_CODE_RET,
214    [kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
215    [kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
216    [kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
217    [kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
218    [kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
219    [kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
220    [kVK_ANSI_Period] = Q_KEY_CODE_DOT,
221    [kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
222    [kVK_Shift] = Q_KEY_CODE_SHIFT,
223    [kVK_RightShift] = Q_KEY_CODE_SHIFT_R,
224    [kVK_Control] = Q_KEY_CODE_CTRL,
225    [kVK_RightControl] = Q_KEY_CODE_CTRL_R,
226    [kVK_Option] = Q_KEY_CODE_ALT,
227    [kVK_RightOption] = Q_KEY_CODE_ALT_R,
228    [kVK_Command] = Q_KEY_CODE_META_L,
229    [0x36] = Q_KEY_CODE_META_R, /* There is no kVK_RightCommand */
230    [kVK_Space] = Q_KEY_CODE_SPC,
231
232    [kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
233    [kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
234    [kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
235    [kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
236    [kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
237    [kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
238    [kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
239    [kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
240    [kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
241    [kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
242    [kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
243    [kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
244    [kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
245    [kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
246    [kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
247    [kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
248    [kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
249    [kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
250
251    [kVK_UpArrow] = Q_KEY_CODE_UP,
252    [kVK_DownArrow] = Q_KEY_CODE_DOWN,
253    [kVK_LeftArrow] = Q_KEY_CODE_LEFT,
254    [kVK_RightArrow] = Q_KEY_CODE_RIGHT,
255
256    [kVK_Help] = Q_KEY_CODE_INSERT,
257    [kVK_Home] = Q_KEY_CODE_HOME,
258    [kVK_PageUp] = Q_KEY_CODE_PGUP,
259    [kVK_PageDown] = Q_KEY_CODE_PGDN,
260    [kVK_End] = Q_KEY_CODE_END,
261    [kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
262
263    [kVK_Escape] = Q_KEY_CODE_ESC,
264
265    /* The Power key can't be used directly because the operating system uses
266     * it. This key can be emulated by using it in place of another key such as
267     * F1. Don't forget to disable the real key binding.
268     */
269    /* [kVK_F1] = Q_KEY_CODE_POWER, */
270
271    [kVK_F1] = Q_KEY_CODE_F1,
272    [kVK_F2] = Q_KEY_CODE_F2,
273    [kVK_F3] = Q_KEY_CODE_F3,
274    [kVK_F4] = Q_KEY_CODE_F4,
275    [kVK_F5] = Q_KEY_CODE_F5,
276    [kVK_F6] = Q_KEY_CODE_F6,
277    [kVK_F7] = Q_KEY_CODE_F7,
278    [kVK_F8] = Q_KEY_CODE_F8,
279    [kVK_F9] = Q_KEY_CODE_F9,
280    [kVK_F10] = Q_KEY_CODE_F10,
281    [kVK_F11] = Q_KEY_CODE_F11,
282    [kVK_F12] = Q_KEY_CODE_F12,
283    [kVK_F13] = Q_KEY_CODE_PRINT,
284    [kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
285    [kVK_F15] = Q_KEY_CODE_PAUSE,
286
287    /*
288     * The eject and volume keys can't be used here because they are handled at
289     * a lower level than what an Application can see.
290     */
291};
292
293static int cocoa_keycode_to_qemu(int keycode)
294{
295    if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
296        fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
297        return 0;
298    }
299    return mac_to_qkeycode_map[keycode];
300}
301
302/* Displays an alert dialog box with the specified message */
303static void QEMU_Alert(NSString *message)
304{
305    NSAlert *alert;
306    alert = [NSAlert new];
307    [alert setMessageText: message];
308    [alert runModal];
309}
310
311/* Handles any errors that happen with a device transaction */
312static void handleAnyDeviceErrors(Error * err)
313{
314    if (err) {
315        QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
316                                      encoding: NSASCIIStringEncoding]);
317        error_free(err);
318    }
319}
320
321/*
322 ------------------------------------------------------
323    QemuCocoaView
324 ------------------------------------------------------
325*/
326@interface QemuCocoaView : NSView
327{
328    QEMUScreen screen;
329    NSWindow *fullScreenWindow;
330    float cx,cy,cw,ch,cdx,cdy;
331    CGDataProviderRef dataProviderRef;
332    pixman_image_t *pixman_image;
333    BOOL modifiers_state[256];
334    BOOL isMouseGrabbed;
335    BOOL isFullscreen;
336    BOOL isAbsoluteEnabled;
337    BOOL isMouseDeassociated;
338}
339- (void) switchSurface:(pixman_image_t *)image;
340- (void) grabMouse;
341- (void) ungrabMouse;
342- (void) toggleFullScreen:(id)sender;
343- (void) handleMonitorInput:(NSEvent *)event;
344- (bool) handleEvent:(NSEvent *)event;
345- (bool) handleEventLocked:(NSEvent *)event;
346- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
347/* The state surrounding mouse grabbing is potentially confusing.
348 * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
349 *   pointing device an absolute-position one?"], but is only updated on
350 *   next refresh.
351 * isMouseGrabbed tracks whether GUI events are directed to the guest;
352 *   it controls whether special keys like Cmd get sent to the guest,
353 *   and whether we capture the mouse when in non-absolute mode.
354 * isMouseDeassociated tracks whether we've told MacOSX to disassociate
355 *   the mouse and mouse cursor position by calling
356 *   CGAssociateMouseAndMouseCursorPosition(FALSE)
357 *   (which basically happens if we grab in non-absolute mode).
358 */
359- (BOOL) isMouseGrabbed;
360- (BOOL) isAbsoluteEnabled;
361- (BOOL) isMouseDeassociated;
362- (float) cdx;
363- (float) cdy;
364- (QEMUScreen) gscreen;
365- (void) raiseAllKeys;
366@end
367
368QemuCocoaView *cocoaView;
369
370@implementation QemuCocoaView
371- (id)initWithFrame:(NSRect)frameRect
372{
373    COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
374
375    self = [super initWithFrame:frameRect];
376    if (self) {
377
378        screen.bitsPerComponent = 8;
379        screen.bitsPerPixel = 32;
380        screen.width = frameRect.size.width;
381        screen.height = frameRect.size.height;
382
383    }
384    return self;
385}
386
387- (void) dealloc
388{
389    COCOA_DEBUG("QemuCocoaView: dealloc\n");
390
391    if (dataProviderRef) {
392        CGDataProviderRelease(dataProviderRef);
393        pixman_image_unref(pixman_image);
394    }
395
396    [super dealloc];
397}
398
399- (BOOL) isOpaque
400{
401    return YES;
402}
403
404- (BOOL) screenContainsPoint:(NSPoint) p
405{
406    return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
407}
408
409/* Get location of event and convert to virtual screen coordinate */
410- (CGPoint) screenLocationOfEvent:(NSEvent *)ev
411{
412    NSWindow *eventWindow = [ev window];
413    // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
414    CGRect r = CGRectZero;
415    r.origin = [ev locationInWindow];
416    if (!eventWindow) {
417        if (!isFullscreen) {
418            return [[self window] convertRectFromScreen:r].origin;
419        } else {
420            CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
421            CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
422            if (stretch_video) {
423                loc.x /= cdx;
424                loc.y /= cdy;
425            }
426            return loc;
427        }
428    } else if ([[self window] isEqual:eventWindow]) {
429        if (!isFullscreen) {
430            return r.origin;
431        } else {
432            CGPoint loc = [self convertPoint:r.origin fromView:nil];
433            if (stretch_video) {
434                loc.x /= cdx;
435                loc.y /= cdy;
436            }
437            return loc;
438        }
439    } else {
440        return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
441    }
442}
443
444- (void) hideCursor
445{
446    if (!cursor_hide) {
447        return;
448    }
449    [NSCursor hide];
450}
451
452- (void) unhideCursor
453{
454    if (!cursor_hide) {
455        return;
456    }
457    [NSCursor unhide];
458}
459
460- (void) drawRect:(NSRect) rect
461{
462    COCOA_DEBUG("QemuCocoaView: drawRect\n");
463
464    // get CoreGraphic context
465#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_10
466    CGContextRef viewContextRef = [[NSGraphicsContext currentContext] graphicsPort];
467#else
468    CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
469#endif
470
471    CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
472    CGContextSetShouldAntialias (viewContextRef, NO);
473
474    // draw screen bitmap directly to Core Graphics context
475    if (!dataProviderRef) {
476        // Draw request before any guest device has set up a framebuffer:
477        // just draw an opaque black rectangle
478        CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
479        CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
480    } else {
481        CGImageRef imageRef = CGImageCreate(
482            screen.width, //width
483            screen.height, //height
484            screen.bitsPerComponent, //bitsPerComponent
485            screen.bitsPerPixel, //bitsPerPixel
486            (screen.width * (screen.bitsPerComponent/2)), //bytesPerRow
487#ifdef __LITTLE_ENDIAN__
488            CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
489            kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
490#else
491            CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
492            kCGImageAlphaNoneSkipFirst, //bitmapInfo
493#endif
494            dataProviderRef, //provider
495            NULL, //decode
496            0, //interpolate
497            kCGRenderingIntentDefault //intent
498        );
499        // selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
500        const NSRect *rectList;
501        NSInteger rectCount;
502        int i;
503        CGImageRef clipImageRef;
504        CGRect clipRect;
505
506        [self getRectsBeingDrawn:&rectList count:&rectCount];
507        for (i = 0; i < rectCount; i++) {
508            clipRect.origin.x = rectList[i].origin.x / cdx;
509            clipRect.origin.y = (float)screen.height - (rectList[i].origin.y + rectList[i].size.height) / cdy;
510            clipRect.size.width = rectList[i].size.width / cdx;
511            clipRect.size.height = rectList[i].size.height / cdy;
512            clipImageRef = CGImageCreateWithImageInRect(
513                                                        imageRef,
514                                                        clipRect
515                                                        );
516            CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
517            CGImageRelease (clipImageRef);
518        }
519        CGImageRelease (imageRef);
520    }
521}
522
523- (void) setContentDimensions
524{
525    COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
526
527    if (isFullscreen) {
528        cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
529        cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
530
531        /* stretches video, but keeps same aspect ratio */
532        if (stretch_video == true) {
533            /* use smallest stretch value - prevents clipping on sides */
534            if (MIN(cdx, cdy) == cdx) {
535                cdy = cdx;
536            } else {
537                cdx = cdy;
538            }
539        } else {  /* No stretching */
540            cdx = cdy = 1;
541        }
542        cw = screen.width * cdx;
543        ch = screen.height * cdy;
544        cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
545        cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
546    } else {
547        cx = 0;
548        cy = 0;
549        cw = screen.width;
550        ch = screen.height;
551        cdx = 1.0;
552        cdy = 1.0;
553    }
554}
555
556- (void) switchSurface:(pixman_image_t *)image
557{
558    COCOA_DEBUG("QemuCocoaView: switchSurface\n");
559
560    int w = pixman_image_get_width(image);
561    int h = pixman_image_get_height(image);
562    pixman_format_code_t image_format = pixman_image_get_format(image);
563    /* cdx == 0 means this is our very first surface, in which case we need
564     * to recalculate the content dimensions even if it happens to be the size
565     * of the initial empty window.
566     */
567    bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
568
569    int oldh = screen.height;
570    if (isResize) {
571        // Resize before we trigger the redraw, or we'll redraw at the wrong size
572        COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
573        screen.width = w;
574        screen.height = h;
575        [self setContentDimensions];
576        [self setFrame:NSMakeRect(cx, cy, cw, ch)];
577    }
578
579    // update screenBuffer
580    if (dataProviderRef) {
581        CGDataProviderRelease(dataProviderRef);
582        pixman_image_unref(pixman_image);
583    }
584
585    //sync host window color space with guests
586    screen.bitsPerPixel = PIXMAN_FORMAT_BPP(image_format);
587    screen.bitsPerComponent = DIV_ROUND_UP(screen.bitsPerPixel, 8) * 2;
588
589    pixman_image = image;
590    dataProviderRef = CGDataProviderCreateWithData(NULL, pixman_image_get_data(image), w * 4 * h, NULL);
591
592    // update windows
593    if (isFullscreen) {
594        [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
595        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
596    } else {
597        if (qemu_name)
598            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
599        [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
600    }
601
602    if (isResize) {
603        [normalWindow center];
604    }
605}
606
607- (void) toggleFullScreen:(id)sender
608{
609    COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
610
611    if (isFullscreen) { // switch from fullscreen to desktop
612        isFullscreen = FALSE;
613        [self ungrabMouse];
614        [self setContentDimensions];
615        if ([NSView respondsToSelector:@selector(exitFullScreenModeWithOptions:)]) { // test if "exitFullScreenModeWithOptions" is supported on host at runtime
616            [self exitFullScreenModeWithOptions:nil];
617        } else {
618            [fullScreenWindow close];
619            [normalWindow setContentView: self];
620            [normalWindow makeKeyAndOrderFront: self];
621            [NSMenu setMenuBarVisible:YES];
622        }
623    } else { // switch from desktop to fullscreen
624        isFullscreen = TRUE;
625        [normalWindow orderOut: nil]; /* Hide the window */
626        [self grabMouse];
627        [self setContentDimensions];
628        if ([NSView respondsToSelector:@selector(enterFullScreenMode:withOptions:)]) { // test if "enterFullScreenMode:withOptions" is supported on host at runtime
629            [self enterFullScreenMode:[NSScreen mainScreen] withOptions:[NSDictionary dictionaryWithObjectsAndKeys:
630                [NSNumber numberWithBool:NO], NSFullScreenModeAllScreens,
631                [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], kCGDisplayModeIsStretched, nil], NSFullScreenModeSetting,
632                 nil]];
633        } else {
634            [NSMenu setMenuBarVisible:NO];
635            fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
636                styleMask:NSWindowStyleMaskBorderless
637                backing:NSBackingStoreBuffered
638                defer:NO];
639            [fullScreenWindow setAcceptsMouseMovedEvents: YES];
640            [fullScreenWindow setHasShadow:NO];
641            [fullScreenWindow setBackgroundColor: [NSColor blackColor]];
642            [self setFrame:NSMakeRect(cx, cy, cw, ch)];
643            [[fullScreenWindow contentView] addSubview: self];
644            [fullScreenWindow makeKeyAndOrderFront:self];
645        }
646    }
647}
648
649- (void) toggleModifier: (int)keycode {
650    // Toggle the stored state.
651    modifiers_state[keycode] = !modifiers_state[keycode];
652    // Send a keyup or keydown depending on the state.
653    qemu_input_event_send_key_qcode(dcl->con, keycode, modifiers_state[keycode]);
654}
655
656- (void) toggleStatefulModifier: (int)keycode {
657    // Toggle the stored state.
658    modifiers_state[keycode] = !modifiers_state[keycode];
659    // Generate keydown and keyup.
660    qemu_input_event_send_key_qcode(dcl->con, keycode, true);
661    qemu_input_event_send_key_qcode(dcl->con, keycode, false);
662}
663
664// Does the work of sending input to the monitor
665- (void) handleMonitorInput:(NSEvent *)event
666{
667    int keysym = 0;
668    int control_key = 0;
669
670    // if the control key is down
671    if ([event modifierFlags] & NSEventModifierFlagControl) {
672        control_key = 1;
673    }
674
675    /* translates Macintosh keycodes to QEMU's keysym */
676
677    int without_control_translation[] = {
678        [0 ... 0xff] = 0,   // invalid key
679
680        [kVK_UpArrow]       = QEMU_KEY_UP,
681        [kVK_DownArrow]     = QEMU_KEY_DOWN,
682        [kVK_RightArrow]    = QEMU_KEY_RIGHT,
683        [kVK_LeftArrow]     = QEMU_KEY_LEFT,
684        [kVK_Home]          = QEMU_KEY_HOME,
685        [kVK_End]           = QEMU_KEY_END,
686        [kVK_PageUp]        = QEMU_KEY_PAGEUP,
687        [kVK_PageDown]      = QEMU_KEY_PAGEDOWN,
688        [kVK_ForwardDelete] = QEMU_KEY_DELETE,
689        [kVK_Delete]        = QEMU_KEY_BACKSPACE,
690    };
691
692    int with_control_translation[] = {
693        [0 ... 0xff] = 0,   // invalid key
694
695        [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
696        [kVK_DownArrow]     = QEMU_KEY_CTRL_DOWN,
697        [kVK_RightArrow]    = QEMU_KEY_CTRL_RIGHT,
698        [kVK_LeftArrow]     = QEMU_KEY_CTRL_LEFT,
699        [kVK_Home]          = QEMU_KEY_CTRL_HOME,
700        [kVK_End]           = QEMU_KEY_CTRL_END,
701        [kVK_PageUp]        = QEMU_KEY_CTRL_PAGEUP,
702        [kVK_PageDown]      = QEMU_KEY_CTRL_PAGEDOWN,
703    };
704
705    if (control_key != 0) { /* If the control key is being used */
706        if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
707            keysym = with_control_translation[[event keyCode]];
708        }
709    } else {
710        if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
711            keysym = without_control_translation[[event keyCode]];
712        }
713    }
714
715    // if not a key that needs translating
716    if (keysym == 0) {
717        NSString *ks = [event characters];
718        if ([ks length] > 0) {
719            keysym = [ks characterAtIndex:0];
720        }
721    }
722
723    if (keysym) {
724        kbd_put_keysym(keysym);
725    }
726}
727
728- (bool) handleEvent:(NSEvent *)event
729{
730    return bool_with_iothread_lock(^{
731        return [self handleEventLocked:event];
732    });
733}
734
735- (bool) handleEventLocked:(NSEvent *)event
736{
737    /* Return true if we handled the event, false if it should be given to OSX */
738    COCOA_DEBUG("QemuCocoaView: handleEvent\n");
739    int buttons = 0;
740    int keycode = 0;
741    bool mouse_event = false;
742    static bool switched_to_fullscreen = false;
743    // Location of event in virtual screen coordinates
744    NSPoint p = [self screenLocationOfEvent:event];
745
746    switch ([event type]) {
747        case NSEventTypeFlagsChanged:
748            if ([event keyCode] == 0) {
749                // When the Cocoa keyCode is zero that means keys should be
750                // synthesized based on the values in in the eventModifiers
751                // bitmask.
752
753                if (qemu_console_is_graphic(NULL)) {
754                    NSUInteger modifiers = [event modifierFlags];
755
756                    if (!!(modifiers & NSEventModifierFlagCapsLock) != !!modifiers_state[Q_KEY_CODE_CAPS_LOCK]) {
757                        [self toggleStatefulModifier:Q_KEY_CODE_CAPS_LOCK];
758                    }
759                    if (!!(modifiers & NSEventModifierFlagShift) != !!modifiers_state[Q_KEY_CODE_SHIFT]) {
760                        [self toggleModifier:Q_KEY_CODE_SHIFT];
761                    }
762                    if (!!(modifiers & NSEventModifierFlagControl) != !!modifiers_state[Q_KEY_CODE_CTRL]) {
763                        [self toggleModifier:Q_KEY_CODE_CTRL];
764                    }
765                    if (!!(modifiers & NSEventModifierFlagOption) != !!modifiers_state[Q_KEY_CODE_ALT]) {
766                        [self toggleModifier:Q_KEY_CODE_ALT];
767                    }
768                    if (!!(modifiers & NSEventModifierFlagCommand) != !!modifiers_state[Q_KEY_CODE_META_L]) {
769                        [self toggleModifier:Q_KEY_CODE_META_L];
770                    }
771                }
772            } else {
773                keycode = cocoa_keycode_to_qemu([event keyCode]);
774            }
775
776            if ((keycode == Q_KEY_CODE_META_L || keycode == Q_KEY_CODE_META_R)
777               && !isMouseGrabbed) {
778              /* Don't pass command key changes to guest unless mouse is grabbed */
779              keycode = 0;
780            }
781
782            if (keycode) {
783                // emulate caps lock and num lock keydown and keyup
784                if (keycode == Q_KEY_CODE_CAPS_LOCK ||
785                    keycode == Q_KEY_CODE_NUM_LOCK) {
786                    [self toggleStatefulModifier:keycode];
787                } else if (qemu_console_is_graphic(NULL)) {
788                    if (switched_to_fullscreen) {
789                        switched_to_fullscreen = false;
790                    } else {
791                        [self toggleModifier:keycode];
792                    }
793                }
794            }
795
796            break;
797        case NSEventTypeKeyDown:
798            keycode = cocoa_keycode_to_qemu([event keyCode]);
799
800            // forward command key combos to the host UI unless the mouse is grabbed
801            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
802                /*
803                 * Prevent the command key from being stuck down in the guest
804                 * when using Command-F to switch to full screen mode.
805                 */
806                if (keycode == Q_KEY_CODE_F) {
807                    switched_to_fullscreen = true;
808                }
809                return false;
810            }
811
812            // default
813
814            // handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
815            if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
816                NSString *keychar = [event charactersIgnoringModifiers];
817                if ([keychar length] == 1) {
818                    char key = [keychar characterAtIndex:0];
819                    switch (key) {
820
821                        // enable graphic console
822                        case '1' ... '9':
823                            console_select(key - '0' - 1); /* ascii math */
824                            return true;
825
826                        // release the mouse grab
827                        case 'g':
828                            [self ungrabMouse];
829                            return true;
830                    }
831                }
832            }
833
834            if (qemu_console_is_graphic(NULL)) {
835                qemu_input_event_send_key_qcode(dcl->con, keycode, true);
836            } else {
837                [self handleMonitorInput: event];
838            }
839            break;
840        case NSEventTypeKeyUp:
841            keycode = cocoa_keycode_to_qemu([event keyCode]);
842
843            // don't pass the guest a spurious key-up if we treated this
844            // command-key combo as a host UI action
845            if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
846                return true;
847            }
848
849            if (qemu_console_is_graphic(NULL)) {
850                qemu_input_event_send_key_qcode(dcl->con, keycode, false);
851            }
852            break;
853        case NSEventTypeMouseMoved:
854            if (isAbsoluteEnabled) {
855                // Cursor re-entered into a window might generate events bound to screen coordinates
856                // and `nil` window property, and in full screen mode, current window might not be
857                // key window, where event location alone should suffice.
858                if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
859                    if (isMouseGrabbed) {
860                        [self ungrabMouse];
861                    }
862                } else {
863                    if (!isMouseGrabbed) {
864                        [self grabMouse];
865                    }
866                }
867            }
868            mouse_event = true;
869            break;
870        case NSEventTypeLeftMouseDown:
871            if ([event modifierFlags] & NSEventModifierFlagCommand) {
872                buttons |= MOUSE_EVENT_RBUTTON;
873            } else {
874                buttons |= MOUSE_EVENT_LBUTTON;
875            }
876            mouse_event = true;
877            break;
878        case NSEventTypeRightMouseDown:
879            buttons |= MOUSE_EVENT_RBUTTON;
880            mouse_event = true;
881            break;
882        case NSEventTypeOtherMouseDown:
883            buttons |= MOUSE_EVENT_MBUTTON;
884            mouse_event = true;
885            break;
886        case NSEventTypeLeftMouseDragged:
887            if ([event modifierFlags] & NSEventModifierFlagCommand) {
888                buttons |= MOUSE_EVENT_RBUTTON;
889            } else {
890                buttons |= MOUSE_EVENT_LBUTTON;
891            }
892            mouse_event = true;
893            break;
894        case NSEventTypeRightMouseDragged:
895            buttons |= MOUSE_EVENT_RBUTTON;
896            mouse_event = true;
897            break;
898        case NSEventTypeOtherMouseDragged:
899            buttons |= MOUSE_EVENT_MBUTTON;
900            mouse_event = true;
901            break;
902        case NSEventTypeLeftMouseUp:
903            mouse_event = true;
904            if (!isMouseGrabbed && [self screenContainsPoint:p]) {
905                /*
906                 * In fullscreen mode, the window of cocoaView may not be the
907                 * key window, therefore the position relative to the virtual
908                 * screen alone will be sufficient.
909                 */
910                if(isFullscreen || [[self window] isKeyWindow]) {
911                    [self grabMouse];
912                }
913            }
914            break;
915        case NSEventTypeRightMouseUp:
916            mouse_event = true;
917            break;
918        case NSEventTypeOtherMouseUp:
919            mouse_event = true;
920            break;
921        case NSEventTypeScrollWheel:
922            /*
923             * Send wheel events to the guest regardless of window focus.
924             * This is in-line with standard Mac OS X UI behaviour.
925             */
926
927            /*
928             * When deltaY is zero, it means that this scrolling event was
929             * either horizontal, or so fine that it only appears in
930             * scrollingDeltaY. So we drop the event.
931             */
932            if ([event deltaY] != 0) {
933            /* Determine if this is a scroll up or scroll down event */
934                buttons = ([event deltaY] > 0) ?
935                    INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
936                qemu_input_queue_btn(dcl->con, buttons, true);
937                qemu_input_event_sync();
938                qemu_input_queue_btn(dcl->con, buttons, false);
939                qemu_input_event_sync();
940            }
941            /*
942             * Since deltaY also reports scroll wheel events we prevent mouse
943             * movement code from executing.
944             */
945            mouse_event = false;
946            break;
947        default:
948            return false;
949    }
950
951    if (mouse_event) {
952        /* Don't send button events to the guest unless we've got a
953         * mouse grab or window focus. If we have neither then this event
954         * is the user clicking on the background window to activate and
955         * bring us to the front, which will be done by the sendEvent
956         * call below. We definitely don't want to pass that click through
957         * to the guest.
958         */
959        if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
960            (last_buttons != buttons)) {
961            static uint32_t bmap[INPUT_BUTTON__MAX] = {
962                [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
963                [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
964                [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON
965            };
966            qemu_input_update_buttons(dcl->con, bmap, last_buttons, buttons);
967            last_buttons = buttons;
968        }
969        if (isMouseGrabbed) {
970            if (isAbsoluteEnabled) {
971                /* Note that the origin for Cocoa mouse coords is bottom left, not top left.
972                 * The check on screenContainsPoint is to avoid sending out of range values for
973                 * clicks in the titlebar.
974                 */
975                if ([self screenContainsPoint:p]) {
976                    qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, 0, screen.width);
977                    qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
978                }
979            } else {
980                qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]);
981                qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, (int)[event deltaY]);
982            }
983        } else {
984            return false;
985        }
986        qemu_input_event_sync();
987    }
988    return true;
989}
990
991- (void) grabMouse
992{
993    COCOA_DEBUG("QemuCocoaView: grabMouse\n");
994
995    if (!isFullscreen) {
996        if (qemu_name)
997            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
998        else
999            [normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
1000    }
1001    [self hideCursor];
1002    if (!isAbsoluteEnabled) {
1003        isMouseDeassociated = TRUE;
1004        CGAssociateMouseAndMouseCursorPosition(FALSE);
1005    }
1006    isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
1007}
1008
1009- (void) ungrabMouse
1010{
1011    COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
1012
1013    if (!isFullscreen) {
1014        if (qemu_name)
1015            [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
1016        else
1017            [normalWindow setTitle:@"QEMU"];
1018    }
1019    [self unhideCursor];
1020    if (isMouseDeassociated) {
1021        CGAssociateMouseAndMouseCursorPosition(TRUE);
1022        isMouseDeassociated = FALSE;
1023    }
1024    isMouseGrabbed = FALSE;
1025}
1026
1027- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
1028- (BOOL) isMouseGrabbed {return isMouseGrabbed;}
1029- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
1030- (BOOL) isMouseDeassociated {return isMouseDeassociated;}
1031- (float) cdx {return cdx;}
1032- (float) cdy {return cdy;}
1033- (QEMUScreen) gscreen {return screen;}
1034
1035/*
1036 * Makes the target think all down keys are being released.
1037 * This prevents a stuck key problem, since we will not see
1038 * key up events for those keys after we have lost focus.
1039 */
1040- (void) raiseAllKeys
1041{
1042    const int max_index = ARRAY_SIZE(modifiers_state);
1043
1044    with_iothread_lock(^{
1045        int index;
1046
1047        for (index = 0; index < max_index; index++) {
1048            if (modifiers_state[index]) {
1049                modifiers_state[index] = 0;
1050                qemu_input_event_send_key_qcode(dcl->con, index, false);
1051            }
1052        }
1053    });
1054}
1055@end
1056
1057
1058
1059/*
1060 ------------------------------------------------------
1061    QemuCocoaAppController
1062 ------------------------------------------------------
1063*/
1064@interface QemuCocoaAppController : NSObject
1065#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6)
1066                                       <NSWindowDelegate, NSApplicationDelegate>
1067#endif
1068{
1069}
1070- (void)doToggleFullScreen:(id)sender;
1071- (void)toggleFullScreen:(id)sender;
1072- (void)showQEMUDoc:(id)sender;
1073- (void)zoomToFit:(id) sender;
1074- (void)displayConsole:(id)sender;
1075- (void)pauseQEMU:(id)sender;
1076- (void)resumeQEMU:(id)sender;
1077- (void)displayPause;
1078- (void)removePause;
1079- (void)restartQEMU:(id)sender;
1080- (void)powerDownQEMU:(id)sender;
1081- (void)ejectDeviceMedia:(id)sender;
1082- (void)changeDeviceMedia:(id)sender;
1083- (BOOL)verifyQuit;
1084- (void)openDocumentation:(NSString *)filename;
1085- (IBAction) do_about_menu_item: (id) sender;
1086- (void)make_about_window;
1087- (void)adjustSpeed:(id)sender;
1088@end
1089
1090@implementation QemuCocoaAppController
1091- (id) init
1092{
1093    COCOA_DEBUG("QemuCocoaAppController: init\n");
1094
1095    self = [super init];
1096    if (self) {
1097
1098        // create a view and add it to the window
1099        cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
1100        if(!cocoaView) {
1101            fprintf(stderr, "(cocoa) can't create a view\n");
1102            exit(1);
1103        }
1104
1105        // create a window
1106        normalWindow = [[NSWindow alloc] initWithContentRect:[cocoaView frame]
1107            styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
1108            backing:NSBackingStoreBuffered defer:NO];
1109        if(!normalWindow) {
1110            fprintf(stderr, "(cocoa) can't create window\n");
1111            exit(1);
1112        }
1113        [normalWindow setAcceptsMouseMovedEvents:YES];
1114        [normalWindow setTitle:@"QEMU"];
1115        [normalWindow setContentView:cocoaView];
1116#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_10)
1117        [normalWindow useOptimizedDrawing:YES];
1118#endif
1119        [normalWindow makeKeyAndOrderFront:self];
1120        [normalWindow center];
1121        [normalWindow setDelegate: self];
1122        stretch_video = false;
1123
1124        /* Used for displaying pause on the screen */
1125        pauseLabel = [NSTextField new];
1126        [pauseLabel setBezeled:YES];
1127        [pauseLabel setDrawsBackground:YES];
1128        [pauseLabel setBackgroundColor: [NSColor whiteColor]];
1129        [pauseLabel setEditable:NO];
1130        [pauseLabel setSelectable:NO];
1131        [pauseLabel setStringValue: @"Paused"];
1132        [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
1133        [pauseLabel setTextColor: [NSColor blackColor]];
1134        [pauseLabel sizeToFit];
1135
1136        // set the supported image file types that can be opened
1137        supportedImageFileTypes = [NSArray arrayWithObjects: @"img", @"iso", @"dmg",
1138                                 @"qcow", @"qcow2", @"cloop", @"vmdk", @"cdr",
1139                                  @"toast", nil];
1140        [self make_about_window];
1141    }
1142    return self;
1143}
1144
1145- (void) dealloc
1146{
1147    COCOA_DEBUG("QemuCocoaAppController: dealloc\n");
1148
1149    if (cocoaView)
1150        [cocoaView release];
1151    [super dealloc];
1152}
1153
1154- (void)applicationDidFinishLaunching: (NSNotification *) note
1155{
1156    COCOA_DEBUG("QemuCocoaAppController: applicationDidFinishLaunching\n");
1157    /* Tell cocoa_display_init to proceed */
1158    qemu_sem_post(&app_started_sem);
1159}
1160
1161- (void)applicationWillTerminate:(NSNotification *)aNotification
1162{
1163    COCOA_DEBUG("QemuCocoaAppController: applicationWillTerminate\n");
1164
1165    qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
1166    exit(0);
1167}
1168
1169- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
1170{
1171    return YES;
1172}
1173
1174- (NSApplicationTerminateReply)applicationShouldTerminate:
1175                                                         (NSApplication *)sender
1176{
1177    COCOA_DEBUG("QemuCocoaAppController: applicationShouldTerminate\n");
1178    return [self verifyQuit];
1179}
1180
1181/* Called when the user clicks on a window's close button */
1182- (BOOL)windowShouldClose:(id)sender
1183{
1184    COCOA_DEBUG("QemuCocoaAppController: windowShouldClose\n");
1185    [NSApp terminate: sender];
1186    /* If the user allows the application to quit then the call to
1187     * NSApp terminate will never return. If we get here then the user
1188     * cancelled the quit, so we should return NO to not permit the
1189     * closing of this window.
1190     */
1191    return NO;
1192}
1193
1194/* Called when QEMU goes into the background */
1195- (void) applicationWillResignActive: (NSNotification *)aNotification
1196{
1197    COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
1198    [cocoaView raiseAllKeys];
1199}
1200
1201/* We abstract the method called by the Enter Fullscreen menu item
1202 * because Mac OS 10.7 and higher disables it. This is because of the
1203 * menu item's old selector's name toggleFullScreen:
1204 */
1205- (void) doToggleFullScreen:(id)sender
1206{
1207    [self toggleFullScreen:(id)sender];
1208}
1209
1210- (void)toggleFullScreen:(id)sender
1211{
1212    COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n");
1213
1214    [cocoaView toggleFullScreen:sender];
1215}
1216
1217/* Tries to find then open the specified filename */
1218- (void) openDocumentation: (NSString *) filename
1219{
1220    /* Where to look for local files */
1221    NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", @"../"};
1222    NSString *full_file_path;
1223
1224    /* iterate thru the possible paths until the file is found */
1225    int index;
1226    for (index = 0; index < ARRAY_SIZE(path_array); index++) {
1227        full_file_path = [[NSBundle mainBundle] executablePath];
1228        full_file_path = [full_file_path stringByDeletingLastPathComponent];
1229        full_file_path = [NSString stringWithFormat: @"%@/%@%@", full_file_path,
1230                          path_array[index], filename];
1231        if ([[NSWorkspace sharedWorkspace] openFile: full_file_path] == YES) {
1232            return;
1233        }
1234    }
1235
1236    /* If none of the paths opened a file */
1237    NSBeep();
1238    QEMU_Alert(@"Failed to open file");
1239}
1240
1241- (void)showQEMUDoc:(id)sender
1242{
1243    COCOA_DEBUG("QemuCocoaAppController: showQEMUDoc\n");
1244
1245    [self openDocumentation: @"qemu-doc.html"];
1246}
1247
1248/* Stretches video to fit host monitor size */
1249- (void)zoomToFit:(id) sender
1250{
1251    stretch_video = !stretch_video;
1252    if (stretch_video == true) {
1253        [sender setState: NSControlStateValueOn];
1254    } else {
1255        [sender setState: NSControlStateValueOff];
1256    }
1257}
1258
1259/* Displays the console on the screen */
1260- (void)displayConsole:(id)sender
1261{
1262    console_select([sender tag]);
1263}
1264
1265/* Pause the guest */
1266- (void)pauseQEMU:(id)sender
1267{
1268    with_iothread_lock(^{
1269        qmp_stop(NULL);
1270    });
1271    [sender setEnabled: NO];
1272    [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];
1273    [self displayPause];
1274}
1275
1276/* Resume running the guest operating system */
1277- (void)resumeQEMU:(id) sender
1278{
1279    with_iothread_lock(^{
1280        qmp_cont(NULL);
1281    });
1282    [sender setEnabled: NO];
1283    [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];
1284    [self removePause];
1285}
1286
1287/* Displays the word pause on the screen */
1288- (void)displayPause
1289{
1290    /* Coordinates have to be calculated each time because the window can change its size */
1291    int xCoord, yCoord, width, height;
1292    xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;
1293    yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);
1294    width = [pauseLabel frame].size.width;
1295    height = [pauseLabel frame].size.height;
1296    [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];
1297    [cocoaView addSubview: pauseLabel];
1298}
1299
1300/* Removes the word pause from the screen */
1301- (void)removePause
1302{
1303    [pauseLabel removeFromSuperview];
1304}
1305
1306/* Restarts QEMU */
1307- (void)restartQEMU:(id)sender
1308{
1309    with_iothread_lock(^{
1310        qmp_system_reset(NULL);
1311    });
1312}
1313
1314/* Powers down QEMU */
1315- (void)powerDownQEMU:(id)sender
1316{
1317    with_iothread_lock(^{
1318        qmp_system_powerdown(NULL);
1319    });
1320}
1321
1322/* Ejects the media.
1323 * Uses sender's tag to figure out the device to eject.
1324 */
1325- (void)ejectDeviceMedia:(id)sender
1326{
1327    NSString * drive;
1328    drive = [sender representedObject];
1329    if(drive == nil) {
1330        NSBeep();
1331        QEMU_Alert(@"Failed to find drive to eject!");
1332        return;
1333    }
1334
1335    __block Error *err = NULL;
1336    with_iothread_lock(^{
1337        qmp_eject(true, [drive cStringUsingEncoding: NSASCIIStringEncoding],
1338                  false, NULL, false, false, &err);
1339    });
1340    handleAnyDeviceErrors(err);
1341}
1342
1343/* Displays a dialog box asking the user to select an image file to load.
1344 * Uses sender's represented object value to figure out which drive to use.
1345 */
1346- (void)changeDeviceMedia:(id)sender
1347{
1348    /* Find the drive name */
1349    NSString * drive;
1350    drive = [sender representedObject];
1351    if(drive == nil) {
1352        NSBeep();
1353        QEMU_Alert(@"Could not find drive!");
1354        return;
1355    }
1356
1357    /* Display the file open dialog */
1358    NSOpenPanel * openPanel;
1359    openPanel = [NSOpenPanel openPanel];
1360    [openPanel setCanChooseFiles: YES];
1361    [openPanel setAllowsMultipleSelection: NO];
1362    [openPanel setAllowedFileTypes: supportedImageFileTypes];
1363    if([openPanel runModal] == NSModalResponseOK) {
1364        NSString * file = [[[openPanel URLs] objectAtIndex: 0] path];
1365        if(file == nil) {
1366            NSBeep();
1367            QEMU_Alert(@"Failed to convert URL to file path!");
1368            return;
1369        }
1370
1371        __block Error *err = NULL;
1372        with_iothread_lock(^{
1373            qmp_blockdev_change_medium(true,
1374                                       [drive cStringUsingEncoding:
1375                                                  NSASCIIStringEncoding],
1376                                       false, NULL,
1377                                       [file cStringUsingEncoding:
1378                                                 NSASCIIStringEncoding],
1379                                       true, "raw",
1380                                       false, 0,
1381                                       &err);
1382        });
1383        handleAnyDeviceErrors(err);
1384    }
1385}
1386
1387/* Verifies if the user really wants to quit */
1388- (BOOL)verifyQuit
1389{
1390    NSAlert *alert = [NSAlert new];
1391    [alert autorelease];
1392    [alert setMessageText: @"Are you sure you want to quit QEMU?"];
1393    [alert addButtonWithTitle: @"Cancel"];
1394    [alert addButtonWithTitle: @"Quit"];
1395    if([alert runModal] == NSAlertSecondButtonReturn) {
1396        return YES;
1397    } else {
1398        return NO;
1399    }
1400}
1401
1402/* The action method for the About menu item */
1403- (IBAction) do_about_menu_item: (id) sender
1404{
1405    [about_window makeKeyAndOrderFront: nil];
1406}
1407
1408/* Create and display the about dialog */
1409- (void)make_about_window
1410{
1411    /* Make the window */
1412    int x = 0, y = 0, about_width = 400, about_height = 200;
1413    NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
1414    about_window = [[NSWindow alloc] initWithContentRect:window_rect
1415                    styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
1416                    NSWindowStyleMaskMiniaturizable
1417                    backing:NSBackingStoreBuffered
1418                    defer:NO];
1419    [about_window setTitle: @"About"];
1420    [about_window setReleasedWhenClosed: NO];
1421    [about_window center];
1422    NSView *superView = [about_window contentView];
1423
1424    /* Create the dimensions of the picture */
1425    int picture_width = 80, picture_height = 80;
1426    x = (about_width - picture_width)/2;
1427    y = about_height - picture_height - 10;
1428    NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
1429
1430    /* Get the path to the QEMU binary */
1431    NSString *binary_name = [NSString stringWithCString: gArgv[0]
1432                                      encoding: NSASCIIStringEncoding];
1433    binary_name = [binary_name lastPathComponent];
1434    NSString *program_path = [[NSString alloc] initWithFormat: @"%@/%@",
1435    [[NSBundle mainBundle] bundlePath], binary_name];
1436
1437    /* Make the picture of QEMU */
1438    NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
1439                                                     picture_rect];
1440    NSImage *qemu_image = [[NSWorkspace sharedWorkspace] iconForFile:
1441                                                         program_path];
1442    [picture_view setImage: qemu_image];
1443    [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
1444    [superView addSubview: picture_view];
1445
1446    /* Make the name label */
1447    x = 0;
1448    y = y - 25;
1449    int name_width = about_width, name_height = 20;
1450    NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
1451    NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
1452    [name_label setEditable: NO];
1453    [name_label setBezeled: NO];
1454    [name_label setDrawsBackground: NO];
1455    [name_label setAlignment: NSTextAlignmentCenter];
1456    NSString *qemu_name = [[NSString alloc] initWithCString: gArgv[0]
1457                                            encoding: NSASCIIStringEncoding];
1458    qemu_name = [qemu_name lastPathComponent];
1459    [name_label setStringValue: qemu_name];
1460    [superView addSubview: name_label];
1461
1462    /* Set the version label's attributes */
1463    x = 0;
1464    y = 50;
1465    int version_width = about_width, version_height = 20;
1466    NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
1467    NSTextField *version_label = [[NSTextField alloc] initWithFrame:
1468                                                      version_rect];
1469    [version_label setEditable: NO];
1470    [version_label setBezeled: NO];
1471    [version_label setAlignment: NSTextAlignmentCenter];
1472    [version_label setDrawsBackground: NO];
1473
1474    /* Create the version string*/
1475    NSString *version_string;
1476    version_string = [[NSString alloc] initWithFormat:
1477    @"QEMU emulator version %s", QEMU_FULL_VERSION];
1478    [version_label setStringValue: version_string];
1479    [superView addSubview: version_label];
1480
1481    /* Make copyright label */
1482    x = 0;
1483    y = 35;
1484    int copyright_width = about_width, copyright_height = 20;
1485    NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
1486    NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
1487                                                        copyright_rect];
1488    [copyright_label setEditable: NO];
1489    [copyright_label setBezeled: NO];
1490    [copyright_label setDrawsBackground: NO];
1491    [copyright_label setAlignment: NSTextAlignmentCenter];
1492    [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
1493                                     QEMU_COPYRIGHT]];
1494    [superView addSubview: copyright_label];
1495}
1496
1497/* Used by the Speed menu items */
1498- (void)adjustSpeed:(id)sender
1499{
1500    int throttle_pct; /* throttle percentage */
1501    NSMenu *menu;
1502
1503    menu = [sender menu];
1504    if (menu != nil)
1505    {
1506        /* Unselect the currently selected item */
1507        for (NSMenuItem *item in [menu itemArray]) {
1508            if (item.state == NSControlStateValueOn) {
1509                [item setState: NSControlStateValueOff];
1510                break;
1511            }
1512        }
1513    }
1514
1515    // check the menu item
1516    [sender setState: NSControlStateValueOn];
1517
1518    // get the throttle percentage
1519    throttle_pct = [sender tag];
1520
1521    with_iothread_lock(^{
1522        cpu_throttle_set(throttle_pct);
1523    });
1524    COCOA_DEBUG("cpu throttling at %d%c\n", cpu_throttle_get_percentage(), '%');
1525}
1526
1527@end
1528
1529@interface QemuApplication : NSApplication
1530@end
1531
1532@implementation QemuApplication
1533- (void)sendEvent:(NSEvent *)event
1534{
1535    COCOA_DEBUG("QemuApplication: sendEvent\n");
1536    if (![cocoaView handleEvent:event]) {
1537        [super sendEvent: event];
1538    }
1539}
1540@end
1541
1542static void create_initial_menus(void)
1543{
1544    // Add menus
1545    NSMenu      *menu;
1546    NSMenuItem  *menuItem;
1547
1548    [NSApp setMainMenu:[[NSMenu alloc] init]];
1549
1550    // Application menu
1551    menu = [[NSMenu alloc] initWithTitle:@""];
1552    [menu addItemWithTitle:@"About QEMU" action:@selector(do_about_menu_item:) keyEquivalent:@""]; // About QEMU
1553    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1554    [menu addItemWithTitle:@"Hide QEMU" action:@selector(hide:) keyEquivalent:@"h"]; //Hide QEMU
1555    menuItem = (NSMenuItem *)[menu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; // Hide Others
1556    [menuItem setKeyEquivalentModifierMask:(NSEventModifierFlagOption|NSEventModifierFlagCommand)];
1557    [menu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; // Show All
1558    [menu addItem:[NSMenuItem separatorItem]]; //Separator
1559    [menu addItemWithTitle:@"Quit QEMU" action:@selector(terminate:) keyEquivalent:@"q"];
1560    menuItem = [[NSMenuItem alloc] initWithTitle:@"Apple" action:nil keyEquivalent:@""];
1561    [menuItem setSubmenu:menu];
1562    [[NSApp mainMenu] addItem:menuItem];
1563    [NSApp performSelector:@selector(setAppleMenu:) withObject:menu]; // Workaround (this method is private since 10.4+)
1564
1565    // Machine menu
1566    menu = [[NSMenu alloc] initWithTitle: @"Machine"];
1567    [menu setAutoenablesItems: NO];
1568    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQEMU:) keyEquivalent: @""] autorelease]];
1569    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQEMU:) keyEquivalent: @""] autorelease];
1570    [menu addItem: menuItem];
1571    [menuItem setEnabled: NO];
1572    [menu addItem: [NSMenuItem separatorItem]];
1573    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Reset" action: @selector(restartQEMU:) keyEquivalent: @""] autorelease]];
1574    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Power Down" action: @selector(powerDownQEMU:) keyEquivalent: @""] autorelease]];
1575    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];
1576    [menuItem setSubmenu:menu];
1577    [[NSApp mainMenu] addItem:menuItem];
1578
1579    // View menu
1580    menu = [[NSMenu alloc] initWithTitle:@"View"];
1581    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
1582    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
1583    menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
1584    [menuItem setSubmenu:menu];
1585    [[NSApp mainMenu] addItem:menuItem];
1586
1587    // Speed menu
1588    menu = [[NSMenu alloc] initWithTitle:@"Speed"];
1589
1590    // Add the rest of the Speed menu items
1591    int p, percentage, throttle_pct;
1592    for (p = 10; p >= 0; p--)
1593    {
1594        percentage = p * 10 > 1 ? p * 10 : 1; // prevent a 0% menu item
1595
1596        menuItem = [[[NSMenuItem alloc]
1597                   initWithTitle: [NSString stringWithFormat: @"%d%%", percentage] action:@selector(adjustSpeed:) keyEquivalent:@""] autorelease];
1598
1599        if (percentage == 100) {
1600            [menuItem setState: NSControlStateValueOn];
1601        }
1602
1603        /* Calculate the throttle percentage */
1604        throttle_pct = -1 * percentage + 100;
1605
1606        [menuItem setTag: throttle_pct];
1607        [menu addItem: menuItem];
1608    }
1609    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Speed" action:nil keyEquivalent:@""] autorelease];
1610    [menuItem setSubmenu:menu];
1611    [[NSApp mainMenu] addItem:menuItem];
1612
1613    // Window menu
1614    menu = [[NSMenu alloc] initWithTitle:@"Window"];
1615    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"] autorelease]]; // Miniaturize
1616    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1617    [menuItem setSubmenu:menu];
1618    [[NSApp mainMenu] addItem:menuItem];
1619    [NSApp setWindowsMenu:menu];
1620
1621    // Help menu
1622    menu = [[NSMenu alloc] initWithTitle:@"Help"];
1623    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"QEMU Documentation" action:@selector(showQEMUDoc:) keyEquivalent:@"?"] autorelease]]; // QEMU Help
1624    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""] autorelease];
1625    [menuItem setSubmenu:menu];
1626    [[NSApp mainMenu] addItem:menuItem];
1627}
1628
1629/* Returns a name for a given console */
1630static NSString * getConsoleName(QemuConsole * console)
1631{
1632    return [NSString stringWithFormat: @"%s", qemu_console_get_label(console)];
1633}
1634
1635/* Add an entry to the View menu for each console */
1636static void add_console_menu_entries(void)
1637{
1638    NSMenu *menu;
1639    NSMenuItem *menuItem;
1640    int index = 0;
1641
1642    menu = [[[NSApp mainMenu] itemWithTitle:@"View"] submenu];
1643
1644    [menu addItem:[NSMenuItem separatorItem]];
1645
1646    while (qemu_console_lookup_by_index(index) != NULL) {
1647        menuItem = [[[NSMenuItem alloc] initWithTitle: getConsoleName(qemu_console_lookup_by_index(index))
1648                                               action: @selector(displayConsole:) keyEquivalent: @""] autorelease];
1649        [menuItem setTag: index];
1650        [menu addItem: menuItem];
1651        index++;
1652    }
1653}
1654
1655/* Make menu items for all removable devices.
1656 * Each device is given an 'Eject' and 'Change' menu item.
1657 */
1658static void addRemovableDevicesMenuItems(void)
1659{
1660    NSMenu *menu;
1661    NSMenuItem *menuItem;
1662    BlockInfoList *currentDevice, *pointerToFree;
1663    NSString *deviceName;
1664
1665    currentDevice = qmp_query_block(NULL);
1666    pointerToFree = currentDevice;
1667    if(currentDevice == NULL) {
1668        NSBeep();
1669        QEMU_Alert(@"Failed to query for block devices!");
1670        return;
1671    }
1672
1673    menu = [[[NSApp mainMenu] itemWithTitle:@"Machine"] submenu];
1674
1675    // Add a separator between related groups of menu items
1676    [menu addItem:[NSMenuItem separatorItem]];
1677
1678    // Set the attributes to the "Removable Media" menu item
1679    NSString *titleString = @"Removable Media";
1680    NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:titleString];
1681    NSColor *newColor = [NSColor blackColor];
1682    NSFontManager *fontManager = [NSFontManager sharedFontManager];
1683    NSFont *font = [fontManager fontWithFamily:@"Helvetica"
1684                                          traits:NSBoldFontMask|NSItalicFontMask
1685                                          weight:0
1686                                            size:14];
1687    [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, [titleString length])];
1688    [attString addAttribute:NSForegroundColorAttributeName value:newColor range:NSMakeRange(0, [titleString length])];
1689    [attString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt: 1] range:NSMakeRange(0, [titleString length])];
1690
1691    // Add the "Removable Media" menu item
1692    menuItem = [NSMenuItem new];
1693    [menuItem setAttributedTitle: attString];
1694    [menuItem setEnabled: NO];
1695    [menu addItem: menuItem];
1696
1697    /* Loop through all the block devices in the emulator */
1698    while (currentDevice) {
1699        deviceName = [[NSString stringWithFormat: @"%s", currentDevice->value->device] retain];
1700
1701        if(currentDevice->value->removable) {
1702            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Change %s...", currentDevice->value->device]
1703                                                  action: @selector(changeDeviceMedia:)
1704                                           keyEquivalent: @""];
1705            [menu addItem: menuItem];
1706            [menuItem setRepresentedObject: deviceName];
1707            [menuItem autorelease];
1708
1709            menuItem = [[NSMenuItem alloc] initWithTitle: [NSString stringWithFormat: @"Eject %s", currentDevice->value->device]
1710                                                  action: @selector(ejectDeviceMedia:)
1711                                           keyEquivalent: @""];
1712            [menu addItem: menuItem];
1713            [menuItem setRepresentedObject: deviceName];
1714            [menuItem autorelease];
1715        }
1716        currentDevice = currentDevice->next;
1717    }
1718    qapi_free_BlockInfoList(pointerToFree);
1719}
1720
1721/*
1722 * The startup process for the OSX/Cocoa UI is complicated, because
1723 * OSX insists that the UI runs on the initial main thread, and so we
1724 * need to start a second thread which runs the vl.c qemu_main():
1725 *
1726 * Initial thread:                    2nd thread:
1727 * in main():
1728 *  create qemu-main thread
1729 *  wait on display_init semaphore
1730 *                                    call qemu_main()
1731 *                                    ...
1732 *                                    in cocoa_display_init():
1733 *                                     post the display_init semaphore
1734 *                                     wait on app_started semaphore
1735 *  create application, menus, etc
1736 *  enter OSX run loop
1737 * in applicationDidFinishLaunching:
1738 *  post app_started semaphore
1739 *                                     tell main thread to fullscreen if needed
1740 *                                    [...]
1741 *                                    run qemu main-loop
1742 *
1743 * We do this in two stages so that we don't do the creation of the
1744 * GUI application menus and so on for command line options like --help
1745 * where we want to just print text to stdout and exit immediately.
1746 */
1747
1748static void *call_qemu_main(void *opaque)
1749{
1750    int status;
1751
1752    COCOA_DEBUG("Second thread: calling qemu_main()\n");
1753    status = qemu_main(gArgc, gArgv, *_NSGetEnviron());
1754    COCOA_DEBUG("Second thread: qemu_main() returned, exiting\n");
1755    exit(status);
1756}
1757
1758int main (int argc, const char * argv[]) {
1759    QemuThread thread;
1760
1761    COCOA_DEBUG("Entered main()\n");
1762    gArgc = argc;
1763    gArgv = (char **)argv;
1764
1765    qemu_sem_init(&display_init_sem, 0);
1766    qemu_sem_init(&app_started_sem, 0);
1767
1768    qemu_thread_create(&thread, "qemu_main", call_qemu_main,
1769                       NULL, QEMU_THREAD_DETACHED);
1770
1771    COCOA_DEBUG("Main thread: waiting for display_init_sem\n");
1772    qemu_sem_wait(&display_init_sem);
1773    COCOA_DEBUG("Main thread: initializing app\n");
1774
1775    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1776
1777    // Pull this console process up to being a fully-fledged graphical
1778    // app with a menubar and Dock icon
1779    ProcessSerialNumber psn = { 0, kCurrentProcess };
1780    TransformProcessType(&psn, kProcessTransformToForegroundApplication);
1781
1782    [QemuApplication sharedApplication];
1783
1784    create_initial_menus();
1785
1786    /*
1787     * Create the menu entries which depend on QEMU state (for consoles
1788     * and removeable devices). These make calls back into QEMU functions,
1789     * which is OK because at this point we know that the second thread
1790     * holds the iothread lock and is synchronously waiting for us to
1791     * finish.
1792     */
1793    add_console_menu_entries();
1794    addRemovableDevicesMenuItems();
1795
1796    // Create an Application controller
1797    QemuCocoaAppController *appController = [[QemuCocoaAppController alloc] init];
1798    [NSApp setDelegate:appController];
1799
1800    // Start the main event loop
1801    COCOA_DEBUG("Main thread: entering OSX run loop\n");
1802    [NSApp run];
1803    COCOA_DEBUG("Main thread: left OSX run loop, exiting\n");
1804
1805    [appController release];
1806    [pool release];
1807
1808    return 0;
1809}
1810
1811
1812
1813#pragma mark qemu
1814static void cocoa_update(DisplayChangeListener *dcl,
1815                         int x, int y, int w, int h)
1816{
1817    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1818
1819    COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
1820
1821    dispatch_async(dispatch_get_main_queue(), ^{
1822        NSRect rect;
1823        if ([cocoaView cdx] == 1.0) {
1824            rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
1825        } else {
1826            rect = NSMakeRect(
1827                x * [cocoaView cdx],
1828                ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
1829                w * [cocoaView cdx],
1830                h * [cocoaView cdy]);
1831        }
1832        [cocoaView setNeedsDisplayInRect:rect];
1833    });
1834
1835    [pool release];
1836}
1837
1838static void cocoa_switch(DisplayChangeListener *dcl,
1839                         DisplaySurface *surface)
1840{
1841    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1842    pixman_image_t *image = surface->image;
1843
1844    COCOA_DEBUG("qemu_cocoa: cocoa_switch\n");
1845
1846    // The DisplaySurface will be freed as soon as this callback returns.
1847    // We take a reference to the underlying pixman image here so it does
1848    // not disappear from under our feet; the switchSurface method will
1849    // deref the old image when it is done with it.
1850    pixman_image_ref(image);
1851
1852    dispatch_async(dispatch_get_main_queue(), ^{
1853        [cocoaView switchSurface:image];
1854    });
1855    [pool release];
1856}
1857
1858static void cocoa_refresh(DisplayChangeListener *dcl)
1859{
1860    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
1861
1862    COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
1863    graphic_hw_update(NULL);
1864
1865    if (qemu_input_is_absolute()) {
1866        dispatch_async(dispatch_get_main_queue(), ^{
1867            if (![cocoaView isAbsoluteEnabled]) {
1868                if ([cocoaView isMouseGrabbed]) {
1869                    [cocoaView ungrabMouse];
1870                }
1871            }
1872            [cocoaView setAbsoluteEnabled:YES];
1873        });
1874    }
1875    [pool release];
1876}
1877
1878static void cocoa_cleanup(void)
1879{
1880    COCOA_DEBUG("qemu_cocoa: cocoa_cleanup\n");
1881    g_free(dcl);
1882}
1883
1884static const DisplayChangeListenerOps dcl_ops = {
1885    .dpy_name          = "cocoa",
1886    .dpy_gfx_update = cocoa_update,
1887    .dpy_gfx_switch = cocoa_switch,
1888    .dpy_refresh = cocoa_refresh,
1889};
1890
1891static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
1892{
1893    COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
1894
1895    /* Tell main thread to go ahead and create the app and enter the run loop */
1896    qemu_sem_post(&display_init_sem);
1897    qemu_sem_wait(&app_started_sem);
1898    COCOA_DEBUG("cocoa_display_init: app start completed\n");
1899
1900    /* if fullscreen mode is to be used */
1901    if (opts->has_full_screen && opts->full_screen) {
1902        dispatch_async(dispatch_get_main_queue(), ^{
1903            [NSApp activateIgnoringOtherApps: YES];
1904            [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
1905        });
1906    }
1907
1908    dcl = g_malloc0(sizeof(DisplayChangeListener));
1909
1910    // register vga output callbacks
1911    dcl->ops = &dcl_ops;
1912    register_displaychangelistener(dcl);
1913
1914    // register cleanup function
1915    atexit(cocoa_cleanup);
1916}
1917
1918static QemuDisplay qemu_display_cocoa = {
1919    .type       = DISPLAY_TYPE_COCOA,
1920    .init       = cocoa_display_init,
1921};
1922
1923static void register_cocoa(void)
1924{
1925    qemu_display_register(&qemu_display_cocoa);
1926}
1927
1928type_init(register_cocoa);
1929