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cocoa.m
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/*
* QEMU Cocoa CG display driver
*
* Copyright (c) 2008 Mike Kronenberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#import <Cocoa/Cocoa.h>
#include <crt_externs.h>
#include "qemu-common.h"
#include "ui/console.h"
#include "ui/input.h"
#include "sysemu/sysemu.h"
#include "sysemu/runstate.h"
#include "sysemu/cpu-throttle.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-block.h"
#include "qapi/qapi-commands-machine.h"
#include "qapi/qapi-commands-misc.h"
#include "sysemu/blockdev.h"
#include "qemu-version.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
#include <Carbon/Carbon.h>
#include "hw/core/cpu.h"
#ifndef MAC_OS_X_VERSION_10_13
#define MAC_OS_X_VERSION_10_13 101300
#endif
/* 10.14 deprecates NSOnState and NSOffState in favor of
* NSControlStateValueOn/Off, which were introduced in 10.13.
* Define for older versions
*/
#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_13
#define NSControlStateValueOn NSOnState
#define NSControlStateValueOff NSOffState
#endif
//#define DEBUG
#ifdef DEBUG
#define COCOA_DEBUG(...) { (void) fprintf (stdout, __VA_ARGS__); }
#else
#define COCOA_DEBUG(...) ((void) 0)
#endif
#define cgrect(nsrect) (*(CGRect *)&(nsrect))
typedef struct {
int width;
int height;
int bitsPerComponent;
int bitsPerPixel;
} QEMUScreen;
NSWindow *normalWindow, *about_window;
static DisplayChangeListener *dcl;
static int last_buttons;
static int cursor_hide = 1;
int gArgc;
char **gArgv;
bool stretch_video;
NSTextField *pauseLabel;
NSArray * supportedImageFileTypes;
static QemuSemaphore display_init_sem;
static QemuSemaphore app_started_sem;
static bool allow_events;
// Utility functions to run specified code block with iothread lock held
typedef void (^CodeBlock)(void);
typedef bool (^BoolCodeBlock)(void);
static void with_iothread_lock(CodeBlock block)
{
bool locked = qemu_mutex_iothread_locked();
if (!locked) {
qemu_mutex_lock_iothread();
}
block();
if (!locked) {
qemu_mutex_unlock_iothread();
}
}
static bool bool_with_iothread_lock(BoolCodeBlock block)
{
bool locked = qemu_mutex_iothread_locked();
bool val;
if (!locked) {
qemu_mutex_lock_iothread();
}
val = block();
if (!locked) {
qemu_mutex_unlock_iothread();
}
return val;
}
// Mac to QKeyCode conversion
const int mac_to_qkeycode_map[] = {
[kVK_ANSI_A] = Q_KEY_CODE_A,
[kVK_ANSI_B] = Q_KEY_CODE_B,
[kVK_ANSI_C] = Q_KEY_CODE_C,
[kVK_ANSI_D] = Q_KEY_CODE_D,
[kVK_ANSI_E] = Q_KEY_CODE_E,
[kVK_ANSI_F] = Q_KEY_CODE_F,
[kVK_ANSI_G] = Q_KEY_CODE_G,
[kVK_ANSI_H] = Q_KEY_CODE_H,
[kVK_ANSI_I] = Q_KEY_CODE_I,
[kVK_ANSI_J] = Q_KEY_CODE_J,
[kVK_ANSI_K] = Q_KEY_CODE_K,
[kVK_ANSI_L] = Q_KEY_CODE_L,
[kVK_ANSI_M] = Q_KEY_CODE_M,
[kVK_ANSI_N] = Q_KEY_CODE_N,
[kVK_ANSI_O] = Q_KEY_CODE_O,
[kVK_ANSI_P] = Q_KEY_CODE_P,
[kVK_ANSI_Q] = Q_KEY_CODE_Q,
[kVK_ANSI_R] = Q_KEY_CODE_R,
[kVK_ANSI_S] = Q_KEY_CODE_S,
[kVK_ANSI_T] = Q_KEY_CODE_T,
[kVK_ANSI_U] = Q_KEY_CODE_U,
[kVK_ANSI_V] = Q_KEY_CODE_V,
[kVK_ANSI_W] = Q_KEY_CODE_W,
[kVK_ANSI_X] = Q_KEY_CODE_X,
[kVK_ANSI_Y] = Q_KEY_CODE_Y,
[kVK_ANSI_Z] = Q_KEY_CODE_Z,
[kVK_ANSI_0] = Q_KEY_CODE_0,
[kVK_ANSI_1] = Q_KEY_CODE_1,
[kVK_ANSI_2] = Q_KEY_CODE_2,
[kVK_ANSI_3] = Q_KEY_CODE_3,
[kVK_ANSI_4] = Q_KEY_CODE_4,
[kVK_ANSI_5] = Q_KEY_CODE_5,
[kVK_ANSI_6] = Q_KEY_CODE_6,
[kVK_ANSI_7] = Q_KEY_CODE_7,
[kVK_ANSI_8] = Q_KEY_CODE_8,
[kVK_ANSI_9] = Q_KEY_CODE_9,
[kVK_ANSI_Grave] = Q_KEY_CODE_GRAVE_ACCENT,
[kVK_ANSI_Minus] = Q_KEY_CODE_MINUS,
[kVK_ANSI_Equal] = Q_KEY_CODE_EQUAL,
[kVK_Delete] = Q_KEY_CODE_BACKSPACE,
[kVK_CapsLock] = Q_KEY_CODE_CAPS_LOCK,
[kVK_Tab] = Q_KEY_CODE_TAB,
[kVK_Return] = Q_KEY_CODE_RET,
[kVK_ANSI_LeftBracket] = Q_KEY_CODE_BRACKET_LEFT,
[kVK_ANSI_RightBracket] = Q_KEY_CODE_BRACKET_RIGHT,
[kVK_ANSI_Backslash] = Q_KEY_CODE_BACKSLASH,
[kVK_ANSI_Semicolon] = Q_KEY_CODE_SEMICOLON,
[kVK_ANSI_Quote] = Q_KEY_CODE_APOSTROPHE,
[kVK_ANSI_Comma] = Q_KEY_CODE_COMMA,
[kVK_ANSI_Period] = Q_KEY_CODE_DOT,
[kVK_ANSI_Slash] = Q_KEY_CODE_SLASH,
[kVK_Shift] = Q_KEY_CODE_SHIFT,
[kVK_RightShift] = Q_KEY_CODE_SHIFT_R,
[kVK_Control] = Q_KEY_CODE_CTRL,
[kVK_RightControl] = Q_KEY_CODE_CTRL_R,
[kVK_Option] = Q_KEY_CODE_ALT,
[kVK_RightOption] = Q_KEY_CODE_ALT_R,
[kVK_Command] = Q_KEY_CODE_META_L,
[0x36] = Q_KEY_CODE_META_R, /* There is no kVK_RightCommand */
[kVK_Space] = Q_KEY_CODE_SPC,
[kVK_ANSI_Keypad0] = Q_KEY_CODE_KP_0,
[kVK_ANSI_Keypad1] = Q_KEY_CODE_KP_1,
[kVK_ANSI_Keypad2] = Q_KEY_CODE_KP_2,
[kVK_ANSI_Keypad3] = Q_KEY_CODE_KP_3,
[kVK_ANSI_Keypad4] = Q_KEY_CODE_KP_4,
[kVK_ANSI_Keypad5] = Q_KEY_CODE_KP_5,
[kVK_ANSI_Keypad6] = Q_KEY_CODE_KP_6,
[kVK_ANSI_Keypad7] = Q_KEY_CODE_KP_7,
[kVK_ANSI_Keypad8] = Q_KEY_CODE_KP_8,
[kVK_ANSI_Keypad9] = Q_KEY_CODE_KP_9,
[kVK_ANSI_KeypadDecimal] = Q_KEY_CODE_KP_DECIMAL,
[kVK_ANSI_KeypadEnter] = Q_KEY_CODE_KP_ENTER,
[kVK_ANSI_KeypadPlus] = Q_KEY_CODE_KP_ADD,
[kVK_ANSI_KeypadMinus] = Q_KEY_CODE_KP_SUBTRACT,
[kVK_ANSI_KeypadMultiply] = Q_KEY_CODE_KP_MULTIPLY,
[kVK_ANSI_KeypadDivide] = Q_KEY_CODE_KP_DIVIDE,
[kVK_ANSI_KeypadEquals] = Q_KEY_CODE_KP_EQUALS,
[kVK_ANSI_KeypadClear] = Q_KEY_CODE_NUM_LOCK,
[kVK_UpArrow] = Q_KEY_CODE_UP,
[kVK_DownArrow] = Q_KEY_CODE_DOWN,
[kVK_LeftArrow] = Q_KEY_CODE_LEFT,
[kVK_RightArrow] = Q_KEY_CODE_RIGHT,
[kVK_Help] = Q_KEY_CODE_INSERT,
[kVK_Home] = Q_KEY_CODE_HOME,
[kVK_PageUp] = Q_KEY_CODE_PGUP,
[kVK_PageDown] = Q_KEY_CODE_PGDN,
[kVK_End] = Q_KEY_CODE_END,
[kVK_ForwardDelete] = Q_KEY_CODE_DELETE,
[kVK_Escape] = Q_KEY_CODE_ESC,
/* The Power key can't be used directly because the operating system uses
* it. This key can be emulated by using it in place of another key such as
* F1. Don't forget to disable the real key binding.
*/
/* [kVK_F1] = Q_KEY_CODE_POWER, */
[kVK_F1] = Q_KEY_CODE_F1,
[kVK_F2] = Q_KEY_CODE_F2,
[kVK_F3] = Q_KEY_CODE_F3,
[kVK_F4] = Q_KEY_CODE_F4,
[kVK_F5] = Q_KEY_CODE_F5,
[kVK_F6] = Q_KEY_CODE_F6,
[kVK_F7] = Q_KEY_CODE_F7,
[kVK_F8] = Q_KEY_CODE_F8,
[kVK_F9] = Q_KEY_CODE_F9,
[kVK_F10] = Q_KEY_CODE_F10,
[kVK_F11] = Q_KEY_CODE_F11,
[kVK_F12] = Q_KEY_CODE_F12,
[kVK_F13] = Q_KEY_CODE_PRINT,
[kVK_F14] = Q_KEY_CODE_SCROLL_LOCK,
[kVK_F15] = Q_KEY_CODE_PAUSE,
/*
* The eject and volume keys can't be used here because they are handled at
* a lower level than what an Application can see.
*/
};
static int cocoa_keycode_to_qemu(int keycode)
{
if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
return 0;
}
return mac_to_qkeycode_map[keycode];
}
/* Displays an alert dialog box with the specified message */
static void QEMU_Alert(NSString *message)
{
NSAlert *alert;
alert = [NSAlert new];
[alert setMessageText: message];
[alert runModal];
}
/* Handles any errors that happen with a device transaction */
static void handleAnyDeviceErrors(Error * err)
{
if (err) {
QEMU_Alert([NSString stringWithCString: error_get_pretty(err)
encoding: NSASCIIStringEncoding]);
error_free(err);
}
}
/*
------------------------------------------------------
QemuCocoaView
------------------------------------------------------
*/
@interface QemuCocoaView : NSView
{
QEMUScreen screen;
NSWindow *fullScreenWindow;
float cx,cy,cw,ch,cdx,cdy;
CGDataProviderRef dataProviderRef;
pixman_image_t *pixman_image;
BOOL modifiers_state[256];
BOOL isMouseGrabbed;
BOOL isFullscreen;
BOOL isAbsoluteEnabled;
BOOL isMouseDeassociated;
}
- (void) switchSurface:(pixman_image_t *)image;
- (void) grabMouse;
- (void) ungrabMouse;
- (void) toggleFullScreen:(id)sender;
- (void) handleMonitorInput:(NSEvent *)event;
- (bool) handleEvent:(NSEvent *)event;
- (bool) handleEventLocked:(NSEvent *)event;
- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
/* The state surrounding mouse grabbing is potentially confusing.
* isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
* pointing device an absolute-position one?"], but is only updated on
* next refresh.
* isMouseGrabbed tracks whether GUI events are directed to the guest;
* it controls whether special keys like Cmd get sent to the guest,
* and whether we capture the mouse when in non-absolute mode.
* isMouseDeassociated tracks whether we've told MacOSX to disassociate
* the mouse and mouse cursor position by calling
* CGAssociateMouseAndMouseCursorPosition(FALSE)
* (which basically happens if we grab in non-absolute mode).
*/
- (BOOL) isMouseGrabbed;
- (BOOL) isAbsoluteEnabled;
- (BOOL) isMouseDeassociated;
- (float) cdx;
- (float) cdy;
- (QEMUScreen) gscreen;
- (void) raiseAllKeys;
@end
QemuCocoaView *cocoaView;
@implementation QemuCocoaView
- (id)initWithFrame:(NSRect)frameRect
{
COCOA_DEBUG("QemuCocoaView: initWithFrame\n");
self = [super initWithFrame:frameRect];
if (self) {
screen.bitsPerComponent = 8;
screen.bitsPerPixel = 32;
screen.width = frameRect.size.width;
screen.height = frameRect.size.height;
}
return self;
}
- (void) dealloc
{
COCOA_DEBUG("QemuCocoaView: dealloc\n");
if (dataProviderRef) {
CGDataProviderRelease(dataProviderRef);
pixman_image_unref(pixman_image);
}
[super dealloc];
}
- (BOOL) isOpaque
{
return YES;
}
- (BOOL) screenContainsPoint:(NSPoint) p
{
return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height);
}
/* Get location of event and convert to virtual screen coordinate */
- (CGPoint) screenLocationOfEvent:(NSEvent *)ev
{
NSWindow *eventWindow = [ev window];
// XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10
CGRect r = CGRectZero;
r.origin = [ev locationInWindow];
if (!eventWindow) {
if (!isFullscreen) {
return [[self window] convertRectFromScreen:r].origin;
} else {
CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin;
CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil];
if (stretch_video) {
loc.x /= cdx;
loc.y /= cdy;
}
return loc;
}
} else if ([[self window] isEqual:eventWindow]) {
if (!isFullscreen) {
return r.origin;
} else {
CGPoint loc = [self convertPoint:r.origin fromView:nil];
if (stretch_video) {
loc.x /= cdx;
loc.y /= cdy;
}
return loc;
}
} else {
return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin;
}
}
- (void) hideCursor
{
if (!cursor_hide) {
return;
}
[NSCursor hide];
}
- (void) unhideCursor
{
if (!cursor_hide) {
return;
}
[NSCursor unhide];
}
- (void) drawRect:(NSRect) rect
{
COCOA_DEBUG("QemuCocoaView: drawRect\n");
// get CoreGraphic context
CGContextRef viewContextRef = [[NSGraphicsContext currentContext] CGContext];
CGContextSetInterpolationQuality (viewContextRef, kCGInterpolationNone);
CGContextSetShouldAntialias (viewContextRef, NO);
// draw screen bitmap directly to Core Graphics context
if (!dataProviderRef) {
// Draw request before any guest device has set up a framebuffer:
// just draw an opaque black rectangle
CGContextSetRGBFillColor(viewContextRef, 0, 0, 0, 1.0);
CGContextFillRect(viewContextRef, NSRectToCGRect(rect));
} else {
CGImageRef imageRef = CGImageCreate(
screen.width, //width
screen.height, //height
screen.bitsPerComponent, //bitsPerComponent
screen.bitsPerPixel, //bitsPerPixel
(screen.width * (screen.bitsPerComponent/2)), //bytesPerRow
#ifdef __LITTLE_ENDIAN__
CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB), //colorspace for OS X >= 10.4
kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
#else
CGColorSpaceCreateDeviceRGB(), //colorspace for OS X < 10.4 (actually ppc)
kCGImageAlphaNoneSkipFirst, //bitmapInfo
#endif
dataProviderRef, //provider
NULL, //decode
0, //interpolate
kCGRenderingIntentDefault //intent
);
// selective drawing code (draws only dirty rectangles) (OS X >= 10.4)
const NSRect *rectList;
NSInteger rectCount;
int i;
CGImageRef clipImageRef;
CGRect clipRect;
[self getRectsBeingDrawn:&rectList count:&rectCount];
for (i = 0; i < rectCount; i++) {
clipRect.origin.x = rectList[i].origin.x / cdx;
clipRect.origin.y = (float)screen.height - (rectList[i].origin.y + rectList[i].size.height) / cdy;
clipRect.size.width = rectList[i].size.width / cdx;
clipRect.size.height = rectList[i].size.height / cdy;
clipImageRef = CGImageCreateWithImageInRect(
imageRef,
clipRect
);
CGContextDrawImage (viewContextRef, cgrect(rectList[i]), clipImageRef);
CGImageRelease (clipImageRef);
}
CGImageRelease (imageRef);
}
}
- (void) setContentDimensions
{
COCOA_DEBUG("QemuCocoaView: setContentDimensions\n");
if (isFullscreen) {
cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width;
cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height;
/* stretches video, but keeps same aspect ratio */
if (stretch_video == true) {
/* use smallest stretch value - prevents clipping on sides */
if (MIN(cdx, cdy) == cdx) {
cdy = cdx;
} else {
cdx = cdy;
}
} else { /* No stretching */
cdx = cdy = 1;
}
cw = screen.width * cdx;
ch = screen.height * cdy;
cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0;
cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0;
} else {
cx = 0;
cy = 0;
cw = screen.width;
ch = screen.height;
cdx = 1.0;
cdy = 1.0;
}
}
- (void) switchSurface:(pixman_image_t *)image
{
COCOA_DEBUG("QemuCocoaView: switchSurface\n");
int w = pixman_image_get_width(image);
int h = pixman_image_get_height(image);
pixman_format_code_t image_format = pixman_image_get_format(image);
/* cdx == 0 means this is our very first surface, in which case we need
* to recalculate the content dimensions even if it happens to be the size
* of the initial empty window.
*/
bool isResize = (w != screen.width || h != screen.height || cdx == 0.0);
int oldh = screen.height;
if (isResize) {
// Resize before we trigger the redraw, or we'll redraw at the wrong size
COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h);
screen.width = w;
screen.height = h;
[self setContentDimensions];
[self setFrame:NSMakeRect(cx, cy, cw, ch)];
}
// update screenBuffer
if (dataProviderRef) {
CGDataProviderRelease(dataProviderRef);
pixman_image_unref(pixman_image);
}
//sync host window color space with guests
screen.bitsPerPixel = PIXMAN_FORMAT_BPP(image_format);
screen.bitsPerComponent = DIV_ROUND_UP(screen.bitsPerPixel, 8) * 2;
pixman_image = image;
dataProviderRef = CGDataProviderCreateWithData(NULL, pixman_image_get_data(image), w * 4 * h, NULL);
// update windows
if (isFullscreen) {
[[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]];
[normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO];
} else {
if (qemu_name)
[normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
[normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO];
}
if (isResize) {
[normalWindow center];
}
}
- (void) toggleFullScreen:(id)sender
{
COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n");
if (isFullscreen) { // switch from fullscreen to desktop
isFullscreen = FALSE;
[self ungrabMouse];
[self setContentDimensions];
if ([NSView respondsToSelector:@selector(exitFullScreenModeWithOptions:)]) { // test if "exitFullScreenModeWithOptions" is supported on host at runtime
[self exitFullScreenModeWithOptions:nil];
} else {
[fullScreenWindow close];
[normalWindow setContentView: self];
[normalWindow makeKeyAndOrderFront: self];
[NSMenu setMenuBarVisible:YES];
}
} else { // switch from desktop to fullscreen
isFullscreen = TRUE;
[normalWindow orderOut: nil]; /* Hide the window */
[self grabMouse];
[self setContentDimensions];
if ([NSView respondsToSelector:@selector(enterFullScreenMode:withOptions:)]) { // test if "enterFullScreenMode:withOptions" is supported on host at runtime
[self enterFullScreenMode:[NSScreen mainScreen] withOptions:[NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:NO], NSFullScreenModeAllScreens,
[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO], kCGDisplayModeIsStretched, nil], NSFullScreenModeSetting,
nil]];
} else {
[NSMenu setMenuBarVisible:NO];
fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame]
styleMask:NSWindowStyleMaskBorderless
backing:NSBackingStoreBuffered
defer:NO];
[fullScreenWindow setAcceptsMouseMovedEvents: YES];
[fullScreenWindow setHasShadow:NO];
[fullScreenWindow setBackgroundColor: [NSColor blackColor]];
[self setFrame:NSMakeRect(cx, cy, cw, ch)];
[[fullScreenWindow contentView] addSubview: self];
[fullScreenWindow makeKeyAndOrderFront:self];
}
}
}
- (void) toggleModifier: (int)keycode {
// Toggle the stored state.
modifiers_state[keycode] = !modifiers_state[keycode];
// Send a keyup or keydown depending on the state.
qemu_input_event_send_key_qcode(dcl->con, keycode, modifiers_state[keycode]);
}
- (void) toggleStatefulModifier: (int)keycode {
// Toggle the stored state.
modifiers_state[keycode] = !modifiers_state[keycode];
// Generate keydown and keyup.
qemu_input_event_send_key_qcode(dcl->con, keycode, true);
qemu_input_event_send_key_qcode(dcl->con, keycode, false);
}
// Does the work of sending input to the monitor
- (void) handleMonitorInput:(NSEvent *)event
{
int keysym = 0;
int control_key = 0;
// if the control key is down
if ([event modifierFlags] & NSEventModifierFlagControl) {
control_key = 1;
}
/* translates Macintosh keycodes to QEMU's keysym */
int without_control_translation[] = {
[0 ... 0xff] = 0, // invalid key
[kVK_UpArrow] = QEMU_KEY_UP,
[kVK_DownArrow] = QEMU_KEY_DOWN,
[kVK_RightArrow] = QEMU_KEY_RIGHT,
[kVK_LeftArrow] = QEMU_KEY_LEFT,
[kVK_Home] = QEMU_KEY_HOME,
[kVK_End] = QEMU_KEY_END,
[kVK_PageUp] = QEMU_KEY_PAGEUP,
[kVK_PageDown] = QEMU_KEY_PAGEDOWN,
[kVK_ForwardDelete] = QEMU_KEY_DELETE,
[kVK_Delete] = QEMU_KEY_BACKSPACE,
};
int with_control_translation[] = {
[0 ... 0xff] = 0, // invalid key
[kVK_UpArrow] = QEMU_KEY_CTRL_UP,
[kVK_DownArrow] = QEMU_KEY_CTRL_DOWN,
[kVK_RightArrow] = QEMU_KEY_CTRL_RIGHT,
[kVK_LeftArrow] = QEMU_KEY_CTRL_LEFT,
[kVK_Home] = QEMU_KEY_CTRL_HOME,
[kVK_End] = QEMU_KEY_CTRL_END,
[kVK_PageUp] = QEMU_KEY_CTRL_PAGEUP,
[kVK_PageDown] = QEMU_KEY_CTRL_PAGEDOWN,
};
if (control_key != 0) { /* If the control key is being used */
if ([event keyCode] < ARRAY_SIZE(with_control_translation)) {
keysym = with_control_translation[[event keyCode]];
}
} else {
if ([event keyCode] < ARRAY_SIZE(without_control_translation)) {
keysym = without_control_translation[[event keyCode]];
}
}
// if not a key that needs translating
if (keysym == 0) {
NSString *ks = [event characters];
if ([ks length] > 0) {
keysym = [ks characterAtIndex:0];
}
}
if (keysym) {
kbd_put_keysym(keysym);
}
}
- (bool) handleEvent:(NSEvent *)event
{
if(!allow_events) {
/*
* Just let OSX have all events that arrive before
* applicationDidFinishLaunching.
* This avoids a deadlock on the iothread lock, which cocoa_display_init()
* will not drop until after the app_started_sem is posted. (In theory
* there should not be any such events, but OSX Catalina now emits some.)
*/
return false;
}
return bool_with_iothread_lock(^{
return [self handleEventLocked:event];
});
}
- (bool) handleEventLocked:(NSEvent *)event
{
/* Return true if we handled the event, false if it should be given to OSX */
COCOA_DEBUG("QemuCocoaView: handleEvent\n");
int buttons = 0;
int keycode = 0;
bool mouse_event = false;
static bool switched_to_fullscreen = false;
// Location of event in virtual screen coordinates
NSPoint p = [self screenLocationOfEvent:event];
switch ([event type]) {
case NSEventTypeFlagsChanged:
if ([event keyCode] == 0) {
// When the Cocoa keyCode is zero that means keys should be
// synthesized based on the values in in the eventModifiers
// bitmask.
if (qemu_console_is_graphic(NULL)) {
NSUInteger modifiers = [event modifierFlags];
if (!!(modifiers & NSEventModifierFlagCapsLock) != !!modifiers_state[Q_KEY_CODE_CAPS_LOCK]) {
[self toggleStatefulModifier:Q_KEY_CODE_CAPS_LOCK];
}
if (!!(modifiers & NSEventModifierFlagShift) != !!modifiers_state[Q_KEY_CODE_SHIFT]) {
[self toggleModifier:Q_KEY_CODE_SHIFT];
}
if (!!(modifiers & NSEventModifierFlagControl) != !!modifiers_state[Q_KEY_CODE_CTRL]) {
[self toggleModifier:Q_KEY_CODE_CTRL];
}
if (!!(modifiers & NSEventModifierFlagOption) != !!modifiers_state[Q_KEY_CODE_ALT]) {
[self toggleModifier:Q_KEY_CODE_ALT];
}
if (!!(modifiers & NSEventModifierFlagCommand) != !!modifiers_state[Q_KEY_CODE_META_L]) {
[self toggleModifier:Q_KEY_CODE_META_L];
}
}
} else {
keycode = cocoa_keycode_to_qemu([event keyCode]);
}
if ((keycode == Q_KEY_CODE_META_L || keycode == Q_KEY_CODE_META_R)
&& !isMouseGrabbed) {
/* Don't pass command key changes to guest unless mouse is grabbed */
keycode = 0;
}
if (keycode) {
// emulate caps lock and num lock keydown and keyup
if (keycode == Q_KEY_CODE_CAPS_LOCK ||
keycode == Q_KEY_CODE_NUM_LOCK) {
[self toggleStatefulModifier:keycode];
} else if (qemu_console_is_graphic(NULL)) {
if (switched_to_fullscreen) {
switched_to_fullscreen = false;
} else {
[self toggleModifier:keycode];
}
}
}
break;
case NSEventTypeKeyDown:
keycode = cocoa_keycode_to_qemu([event keyCode]);
// forward command key combos to the host UI unless the mouse is grabbed
if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
/*
* Prevent the command key from being stuck down in the guest
* when using Command-F to switch to full screen mode.
*/
if (keycode == Q_KEY_CODE_F) {
switched_to_fullscreen = true;
}
return false;
}
// default
// handle control + alt Key Combos (ctrl+alt+[1..9,g] is reserved for QEMU)
if (([event modifierFlags] & NSEventModifierFlagControl) && ([event modifierFlags] & NSEventModifierFlagOption)) {
NSString *keychar = [event charactersIgnoringModifiers];
if ([keychar length] == 1) {
char key = [keychar characterAtIndex:0];
switch (key) {
// enable graphic console
case '1' ... '9':
console_select(key - '0' - 1); /* ascii math */
return true;
// release the mouse grab
case 'g':
[self ungrabMouse];
return true;
}
}
}
if (qemu_console_is_graphic(NULL)) {
qemu_input_event_send_key_qcode(dcl->con, keycode, true);
} else {
[self handleMonitorInput: event];
}
break;
case NSEventTypeKeyUp:
keycode = cocoa_keycode_to_qemu([event keyCode]);
// don't pass the guest a spurious key-up if we treated this
// command-key combo as a host UI action
if (!isMouseGrabbed && ([event modifierFlags] & NSEventModifierFlagCommand)) {
return true;
}
if (qemu_console_is_graphic(NULL)) {
qemu_input_event_send_key_qcode(dcl->con, keycode, false);
}
break;
case NSEventTypeMouseMoved:
if (isAbsoluteEnabled) {
// Cursor re-entered into a window might generate events bound to screen coordinates
// and `nil` window property, and in full screen mode, current window might not be
// key window, where event location alone should suffice.
if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) {
if (isMouseGrabbed) {
[self ungrabMouse];
}
} else {
if (!isMouseGrabbed) {
[self grabMouse];
}
}
}
mouse_event = true;
break;
case NSEventTypeLeftMouseDown:
if ([event modifierFlags] & NSEventModifierFlagCommand) {
buttons |= MOUSE_EVENT_RBUTTON;
} else {
buttons |= MOUSE_EVENT_LBUTTON;
}
mouse_event = true;
break;
case NSEventTypeRightMouseDown:
buttons |= MOUSE_EVENT_RBUTTON;
mouse_event = true;
break;
case NSEventTypeOtherMouseDown:
buttons |= MOUSE_EVENT_MBUTTON;
mouse_event = true;
break;
case NSEventTypeLeftMouseDragged:
if ([event modifierFlags] & NSEventModifierFlagCommand) {
buttons |= MOUSE_EVENT_RBUTTON;
} else {
buttons |= MOUSE_EVENT_LBUTTON;
}
mouse_event = true;
break;
case NSEventTypeRightMouseDragged:
buttons |= MOUSE_EVENT_RBUTTON;
mouse_event = true;
break;
case NSEventTypeOtherMouseDragged:
buttons |= MOUSE_EVENT_MBUTTON;
mouse_event = true;
break;
case NSEventTypeLeftMouseUp:
mouse_event = true;
if (!isMouseGrabbed && [self screenContainsPoint:p]) {
/*
* In fullscreen mode, the window of cocoaView may not be the
* key window, therefore the position relative to the virtual
* screen alone will be sufficient.
*/
if(isFullscreen || [[self window] isKeyWindow]) {
[self grabMouse];
}
}
break;
case NSEventTypeRightMouseUp:
mouse_event = true;
break;
case NSEventTypeOtherMouseUp:
mouse_event = true;
break;
case NSEventTypeScrollWheel:
/*
* Send wheel events to the guest regardless of window focus.
* This is in-line with standard Mac OS X UI behaviour.
*/
/*
* When deltaY is zero, it means that this scrolling event was
* either horizontal, or so fine that it only appears in
* scrollingDeltaY. So we drop the event.
*/
if ([event deltaY] != 0) {
/* Determine if this is a scroll up or scroll down event */
buttons = ([event deltaY] > 0) ?
INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
qemu_input_queue_btn(dcl->con, buttons, true);
qemu_input_event_sync();
qemu_input_queue_btn(dcl->con, buttons, false);
qemu_input_event_sync();
}
/*
* Since deltaY also reports scroll wheel events we prevent mouse
* movement code from executing.
*/
mouse_event = false;
break;
default:
return false;
}
if (mouse_event) {
/* Don't send button events to the guest unless we've got a
* mouse grab or window focus. If we have neither then this event
* is the user clicking on the background window to activate and
* bring us to the front, which will be done by the sendEvent
* call below. We definitely don't want to pass that click through
* to the guest.
*/
if ((isMouseGrabbed || [[self window] isKeyWindow]) &&
(last_buttons != buttons)) {
static uint32_t bmap[INPUT_BUTTON__MAX] = {
[INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
[INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
[INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON
};
qemu_input_update_buttons(dcl->con, bmap, last_buttons, buttons);
last_buttons = buttons;
}
if (isMouseGrabbed) {
if (isAbsoluteEnabled) {
/* Note that the origin for Cocoa mouse coords is bottom left, not top left.
* The check on screenContainsPoint is to avoid sending out of range values for
* clicks in the titlebar.
*/
if ([self screenContainsPoint:p]) {
qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, 0, screen.width);
qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height);
}
} else {
qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]);
qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, (int)[event deltaY]);
}
} else {
return false;
}
qemu_input_event_sync();
}
return true;
}
- (void) grabMouse
{
COCOA_DEBUG("QemuCocoaView: grabMouse\n");
if (!isFullscreen) {
if (qemu_name)
[normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press ctrl + alt + g to release Mouse)", qemu_name]];
else
[normalWindow setTitle:@"QEMU - (Press ctrl + alt + g to release Mouse)"];
}
[self hideCursor];
if (!isAbsoluteEnabled) {
isMouseDeassociated = TRUE;
CGAssociateMouseAndMouseCursorPosition(FALSE);
}
isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:]
}
- (void) ungrabMouse
{
COCOA_DEBUG("QemuCocoaView: ungrabMouse\n");
if (!isFullscreen) {
if (qemu_name)
[normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]];
else
[normalWindow setTitle:@"QEMU"];
}
[self unhideCursor];
if (isMouseDeassociated) {
CGAssociateMouseAndMouseCursorPosition(TRUE);
isMouseDeassociated = FALSE;
}
isMouseGrabbed = FALSE;
}
- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {isAbsoluteEnabled = tIsAbsoluteEnabled;}
- (BOOL) isMouseGrabbed {return isMouseGrabbed;}
- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
- (BOOL) isMouseDeassociated {return isMouseDeassociated;}
- (float) cdx {return cdx;}
- (float) cdy {return cdy;}
- (QEMUScreen) gscreen {return screen;}
/*
* Makes the target think all down keys are being released.
* This prevents a stuck key problem, since we will not see
* key up events for those keys after we have lost focus.