minivmac4ios/Mini vMac/ViewController.m

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//
// ViewController.m
// Mini vMac
//
// Created by Jesús A. Álvarez on 27/04/2016.
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// Copyright © 2016-2018 namedfork. All rights reserved.
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//
#import "ViewController.h"
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#import "TouchScreen.h"
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#import "TrackPad.h"
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#import "AppDelegate.h"
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#import "KBKeyboardView.h"
#import "KBKeyboardLayout.h"
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@interface ViewController () <UIAdaptivePresentationControllerDelegate, UIPointerInteractionDelegate>
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@end
static int8_t usb_to_adb_scancode[] = {
-1, -1, -1, -1, 0, 11, 8, 2, 14, 3, 5, 4, 34, 38, 40, 37,
46, 45, 31, 35, 12, 15, 1, 17, 32, 9, 13, 7, 16, 6, 18, 19,
20, 21, 23, 22, 26, 28, 25, 29, 36, 53, 51, 48, 49, 27, 24, 33,
30, 42, 42, 41, 39, 10, 43, 47, 44, 57, 122, 120, 99, 118, 96, 97,
98, 100, 101, 109, 103, 111, 105, 107, 113, 114, 115, 116, 117, 119, 121, 60,
59, 61, 62, 71, 75, 67, 78, 69, 76, 83, 84, 85, 86, 87, 88, 89,
91, 92, 82, 65, 50, 55, 126, 81, 105, 107, 113, 106, 64, 79, 80, 90,
-1, -1, -1, -1, -1, 114, -1, -1, -1, -1, -1, -1, -1, -1, -1, 74,
72, 73, -1, -1, -1, 95, -1, 94, -1, 93, -1, -1, -1, -1, -1, -1,
104, 102, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
54, 56, 58, 55, 54, 56, 58, 55, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
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@implementation ViewController
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{
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KBKeyboardView *keyboardView;
UISwipeGestureRecognizer *showKeyboardGesture, *hideKeyboardGesture, *insertDiskGesture, *showSettingsGesture;
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UIControl *pointingDeviceView;
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UIViewController *_keyboardViewController;
BOOL physicalCapsLocked;
UIPointerInteraction *pointerInteraction;
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}
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- (void)viewDidLoad {
[super viewDidLoad];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(emulatorDidShutDown:) name:[AppDelegate sharedEmulator].shutdownNotification object:nil];
#if defined(TARGET_OS_VISION) && TARGET_OS_VISION == 1
[self initXr];
#else
[self scheduleHelpPresentationIfNeededAfterDelay:6.0];
[self installGestures];
#endif
}
#if defined(TARGET_OS_VISION) && TARGET_OS_VISION == 1
- (UIViewController *)keyboardViewController {
if (keyboardView == nil) {
[[NSUserDefaults standardUserDefaults] addObserver:self forKeyPath:@"keyboardLayout" options:0 context:NULL];
KBKeyboardLayout *layout = [self keyboardLayout];
CGSize keyboardSize = CGSizeZero;
for (NSValue *size in layout.availableSizes) {
if (size.CGSizeValue.width > keyboardSize.width) {
keyboardSize = size.CGSizeValue;
}
}
keyboardView = [[KBKeyboardView alloc] initWithFrame:CGRectMake(0, 0, keyboardSize.width, keyboardSize.height)];
keyboardView.layoutMenu = [self keyboardLayoutMenu];
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keyboardView.layout = layout;
keyboardView.delegate = self;
}
if (_keyboardViewController == nil) {
_keyboardViewController = [UIViewController alloc];
_keyboardViewController.view = keyboardView;
_keyboardViewController.preferredContentSize = keyboardView.frame.size;
} else if (_keyboardViewController.view != keyboardView) {
_keyboardViewController.view = keyboardView;
}
return _keyboardViewController;
}
#endif
- (void)installGestures {
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[self installKeyboardGestures];
insertDiskGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(showInsertDisk:)];
insertDiskGesture.direction = UISwipeGestureRecognizerDirectionLeft;
insertDiskGesture.numberOfTouchesRequired = 2;
[self.view addGestureRecognizer:insertDiskGesture];
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showSettingsGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(showSettings:)];
showSettingsGesture.direction = UISwipeGestureRecognizerDirectionRight;
showSettingsGesture.numberOfTouchesRequired = 2;
[self.view addGestureRecognizer:showSettingsGesture];
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}
- (void)showSettings:(id)sender {
[self performSegueWithIdentifier:@"settings" sender:sender];
}
- (void)showInsertDisk:(id)sender {
[self performSegueWithIdentifier:@"disk" sender:sender];
}
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
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[self cancelHelpPresentation];
if ([@[@"disk", @"settings"] containsObject:segue.identifier]) {
segue.destinationViewController.presentationController.delegate = self;
if (self.presentedViewController != nil) {
[self dismissViewControllerAnimated:YES completion:nil];
}
}
#if defined(TARGET_OS_VISION) && TARGET_OS_VISION == 1
if ([segue.identifier isEqualToString:@"disk"]) {
[(UINavigationController*)segue.destinationViewController setToolbarHidden:YES];
}
#endif
}
- (void)presentationControllerDidDismiss:(UIPresentationController *)presentationController {
// hack to fix the presenting view controller not returning back to normal size on iOS 13
// when the sheet is dismissed interactively (ie dragging it down) after a contextual menu
// has been shown, which breaks some autolayout constraints. when this happens, the
// presenting view controller won't resize back to normal during the interactive
// dismissing of the presented sheet
if (@available(iOS 14, *)) {
// it works correctly on iOS 14
} else {
self.view.superview.transform = CGAffineTransformIdentity;
}
}
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#if !defined(TARGET_OS_VISION) || TARGET_OS_VISION == 0
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- (BOOL)prefersStatusBarHidden {
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UIScreen *screen = self.view.window.screen;
return CGRectEqualToRect(screen.bounds, self.view.window.bounds);
}
- (UIStatusBarStyle)preferredStatusBarStyle {
return UIStatusBarStyleLightContent;
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}
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#endif
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- (UIRectEdge)preferredScreenEdgesDeferringSystemGestures {
return UIRectEdgeAll;
}
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- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
[self setUpPointingDevice];
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[[NSUserDefaults standardUserDefaults] addObserver:self forKeyPath:@"trackpad" options:0 context:NULL];
}
- (void)viewDidDisappear:(BOOL)animated {
[[NSUserDefaults standardUserDefaults] removeObserver:self forKeyPath:@"trackpad"];
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}
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- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {
if (motion == UIEventSubtypeMotionShake) {
[[AppDelegate sharedInstance] showInsertDisk:self];
}
}
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- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context {
if (object == [NSUserDefaults standardUserDefaults]) {
if ([keyPath isEqualToString:@"keyboardLayout"] && keyboardView != nil) {
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#if defined(TARGET_OS_VISION) && TARGET_OS_VISION == 1
// FIXME: do this nicelier
keyboardView = nil;
[self keyboardViewController];
#else
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BOOL keyboardWasVisible = self.keyboardVisible;
[self setKeyboardVisible:NO animated:NO];
[keyboardView removeFromSuperview];
keyboardView = nil;
if (keyboardWasVisible) {
[self setKeyboardVisible:YES animated:NO];
}
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#endif
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} else if ([keyPath isEqualToString:@"trackpad"]) {
[self setUpPointingDevice];
}
}
}
- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
[super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
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if (self.keyboardVisible) {
// willTransitionToTraitCollection... is caled before us, so keyboard will already be hidden here in a trait collection transition
[self setKeyboardVisible:NO animated:NO];
[coordinator animateAlongsideTransition:nil completion:^(id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
[self setKeyboardVisible:YES animated:YES];
}];
}
}
- (void)willTransitionToTraitCollection:(UITraitCollection *)newCollection withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
[super willTransitionToTraitCollection:newCollection withTransitionCoordinator:coordinator];
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if (self.keyboardVisible) {
[self setKeyboardVisible:NO animated:NO];
[coordinator animateAlongsideTransition:nil completion:^(id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
[self setKeyboardVisible:YES animated:YES];
}];
}
}
- (void)emulatorDidShutDown:(NSNotification*)notification {
if (notification.object == [AppDelegate sharedEmulator]) {
UILabel *shutdownLabel = [[UILabel alloc] initWithFrame:self.view.bounds];
shutdownLabel.text = NSLocalizedString(@"the emulated Mac has shut down\ntap to restart", nil);
shutdownLabel.textColor = [UIColor whiteColor];
[self.view addSubview:shutdownLabel];
shutdownLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
[shutdownLabel addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(restartEmulator:)]];
shutdownLabel.numberOfLines = -1;
shutdownLabel.textAlignment = NSTextAlignmentCenter;
shutdownLabel.userInteractionEnabled = YES;
[UIView animateWithDuration:0.5 animations:^{
self.screenView.alpha = 0.5;
}];
[self hideKeyboard:notification];
}
}
- (void)restartEmulator:(UITapGestureRecognizer*)gestureRecognizer {
if (gestureRecognizer.state == UIGestureRecognizerStateRecognized) {
[UIView animateWithDuration:0.5 animations:^{
self.screenView.alpha = 1.0;
}];
[gestureRecognizer.view removeFromSuperview];
id emulator = [AppDelegate sharedEmulator];
[emulator performSelector:@selector(run) withObject:nil afterDelay:0.1];
}
}
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#pragma mark - Gesture Help
- (void)showGestureHelp:(id)sender {
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#if !defined(TARGET_OS_VISION) || TARGET_OS_VISION == 0
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[self setGestureHelpHidden:NO];
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#endif
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}
- (void)hideGestureHelp:(id)sender {
[self setGestureHelpHidden:YES];
}
- (void)setGestureHelpHidden:(BOOL)hidden {
if (self.helpView.hidden == hidden) {
return;
} else if (!hidden) {
// prepare to show
self.helpView.alpha = 0.0;
self.helpView.hidden = NO;
}
[UIView animateWithDuration:0.2
animations:^{
self.helpView.alpha = hidden ? 0.0 : 1.0;
}
completion:^(BOOL finished) {
self.helpView.hidden = hidden;
}];
}
- (void)showGestureHelpIfNeeded:(id)sender {
// show help if no disks have been inserted
if (![AppDelegate sharedEmulator].anyDiskInserted) {
[self showGestureHelp:sender];
}
}
- (void)scheduleHelpPresentationIfNeededAfterDelay:(NSTimeInterval)delay {
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"autoShowGestureHelp"]) {
[self performSelector:@selector(showGestureHelpIfNeeded:) withObject:self afterDelay:delay];
}
}
- (void)cancelHelpPresentation {
[NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(showGestureHelpIfNeeded:) object:self];
}
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#pragma mark - Keyboard
- (void)installKeyboardGestures {
showKeyboardGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(showKeyboard:)];
showKeyboardGesture.direction = UISwipeGestureRecognizerDirectionUp;
showKeyboardGesture.numberOfTouchesRequired = 2;
[self.view addGestureRecognizer:showKeyboardGesture];
hideKeyboardGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(hideKeyboard:)];
hideKeyboardGesture.direction = UISwipeGestureRecognizerDirectionDown;
hideKeyboardGesture.numberOfTouchesRequired = 2;
[self.view addGestureRecognizer:hideKeyboardGesture];
}
- (BOOL)isKeyboardVisible {
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#if defined(TARGET_OS_VISION) && TARGET_OS_VISION == 1
return _keyboardViewController.view.window != nil;
#else
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return keyboardView != nil && CGRectIntersectsRect(keyboardView.frame, self.view.bounds) && !keyboardView.hidden;
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#endif
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}
- (void)setKeyboardVisible:(BOOL)keyboardVisible {
[self setKeyboardVisible:keyboardVisible animated:YES];
}
- (void)showKeyboard:(id)sender {
[self setKeyboardVisible:YES animated:YES];
}
- (void)hideKeyboard:(id)sender {
[self setKeyboardVisible:NO animated:YES];
}
- (void)setKeyboardVisible:(BOOL)visible animated:(BOOL)animated {
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#if defined(TARGET_OS_VISION) && TARGET_OS_VISION == 1
if (visible) {
UISceneSessionActivationRequest *request = [UISceneSessionActivationRequest requestWithRole:UIWindowSceneSessionRoleApplication];
request.userActivity = [[NSUserActivity alloc] initWithActivityType:@"net.namedfork.keyboard"];
request.userActivity.targetContentIdentifier = @"net.namedfork.keyboard";
[[UIApplication sharedApplication] activateSceneSessionForRequest:request errorHandler:^(NSError * _Nonnull error) {
NSLog(@"Activation error: %@", error);
}];
} else {
UIScene *keyboardScene = [[AppDelegate sharedInstance] sceneWithName:@"Keyboard"];
if (keyboardScene != nil) {
[[UIApplication sharedApplication] requestSceneSessionDestruction:keyboardScene.session options:nil errorHandler:nil];
}
}
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#else
if (self.keyboardVisible == visible) {
return;
}
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if (visible) {
[[NSUserDefaults standardUserDefaults] addObserver:self forKeyPath:@"keyboardLayout" options:0 context:NULL];
[self loadKeyboardView];
if (keyboardView.layout == nil) {
[keyboardView removeFromSuperview];
return;
}
[self.view addSubview:keyboardView];
keyboardView.hidden = NO;
CGRect finalFrame = CGRectMake(0.0, self.view.bounds.size.height - keyboardView.bounds.size.height, keyboardView.bounds.size.width, keyboardView.bounds.size.height);
if (animated) {
keyboardView.frame = CGRectOffset(finalFrame, 0.0, finalFrame.size.height);
[UIView animateWithDuration:0.3 delay:0.0 options:UIViewAnimationOptionCurveEaseOut animations:^{
self->keyboardView.frame = finalFrame;
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} completion:nil];
} else {
keyboardView.frame = finalFrame;
}
} else {
[[NSUserDefaults standardUserDefaults] removeObserver:self forKeyPath:@"keyboardLayout"];
if (animated) {
CGRect finalFrame = CGRectMake(0.0, self.view.bounds.size.height, keyboardView.bounds.size.width, keyboardView.bounds.size.height);
[UIView animateWithDuration:0.3 delay:0.0 options:UIViewAnimationOptionCurveEaseOut animations:^{
self->keyboardView.frame = finalFrame;
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} completion:^(BOOL finished) {
if (finished) {
self->keyboardView.hidden = YES;
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}
}];
} else {
keyboardView.hidden = YES;
}
}
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#endif
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}
- (void)loadKeyboardView {
if (keyboardView != nil && keyboardView.bounds.size.width != self.view.bounds.size.width) {
// keyboard needs resizing
[keyboardView removeFromSuperview];
keyboardView = nil;
}
if (keyboardView == nil) {
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UIEdgeInsets safeAreaInsets = UIEdgeInsetsZero;
if (@available(iOS 11, *)) {
safeAreaInsets = self.view.safeAreaInsets;
}
keyboardView = [[KBKeyboardView alloc] initWithFrame:self.view.bounds safeAreaInsets:safeAreaInsets];
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keyboardView.layout = [self keyboardLayout];
keyboardView.delegate = self;
}
}
- (KBKeyboardLayout*)keyboardLayout {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSString *layoutName = [defaults stringForKey:@"keyboardLayout"];
NSString *layoutPath = [[[AppDelegate sharedInstance] userKeyboardLayoutsPath] stringByAppendingPathComponent:layoutName];
if (![[NSFileManager defaultManager] fileExistsAtPath:layoutPath]) {
layoutPath = [[NSBundle mainBundle] pathForResource:layoutName ofType:nil inDirectory:@"Keyboard Layouts"];
}
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if (layoutPath == nil) {
NSLog(@"Layout not found: %@", layoutPath);
}
return layoutPath ? [[KBKeyboardLayout alloc] initWithContentsOfFile:layoutPath] : nil;
}
- (void)keyDown:(int)scancode {
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[[AppDelegate sharedEmulator] keyDown:scancode];
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}
- (void)keyUp:(int)scancode {
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[[AppDelegate sharedEmulator] keyUp:scancode];
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}
- (void)pressesBegan:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event {
for (UIPress *press in presses) {
[self handlePressEvent:press];
}
}
- (void)pressesChanged:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event {
for (UIPress *press in presses) {
[self handlePressEvent:press];
}
}
- (void)pressesEnded:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event {
for (UIPress *press in presses) {
[self handlePressEvent:press];
}
}
- (void)handlePressEvent:(UIPress *)event {
long keycode = event.key.keyCode;
int scancode = -1;
BOOL emulatorIsFrontmost = [AppDelegate sharedEmulator].running && [AppDelegate sharedInstance].window.rootViewController.presentedViewController == nil;
BOOL isKeyDown = (event.phase == UIPressPhaseBegan);
if (keycode >= 0 && keycode < sizeof(usb_to_adb_scancode)) {
scancode = usb_to_adb_scancode[keycode];
}
if (scancode == KC_CAPSLOCK) {
// caps lock
if (isKeyDown && !physicalCapsLocked) {
[[AppDelegate sharedEmulator] keyDown:KC_CAPSLOCK];
physicalCapsLocked = YES;
} else if (isKeyDown && physicalCapsLocked) {
[[AppDelegate sharedEmulator] keyUp:KC_CAPSLOCK];
physicalCapsLocked = NO;
}
} else if (scancode >= 0 && emulatorIsFrontmost) {
[self _updateCapsLockStatus:event];
if (isKeyDown) {
[[AppDelegate sharedEmulator] keyDown:scancode];
} else {
[[AppDelegate sharedEmulator] keyUp:scancode];
}
}
}
- (void)_updateCapsLockStatus:(UIPress *)event {
BOOL currentCapsLock = (event.key.modifierFlags & UIKeyModifierAlphaShift) != 0;
if (currentCapsLock != physicalCapsLocked) {
physicalCapsLocked = currentCapsLock;
if (physicalCapsLocked) {
[[AppDelegate sharedEmulator] keyDown:KC_CAPSLOCK];
} else {
[[AppDelegate sharedEmulator] keyUp:KC_CAPSLOCK];
}
}
}
#pragma mark - Mouse
- (void)setUpPointingDevice {
if (pointingDeviceView) {
[pointingDeviceView removeFromSuperview];
pointingDeviceView = nil;
}
if (pointerInteraction == nil) {
pointerInteraction = [[UIPointerInteraction alloc] initWithDelegate: self];
[self.view addInteraction:pointerInteraction];
UIHoverGestureRecognizer *hoverGestureRecognizer = [[UIHoverGestureRecognizer alloc] initWithTarget:self action:@selector(hover:)];
[self.view addGestureRecognizer:hoverGestureRecognizer];
}
#if defined(TARGET_OS_VISION) && TARGET_OS_VISION == 1
Class pointingDeviceClass = [TouchScreen class];
#else
BOOL useTrackPad = [[NSUserDefaults standardUserDefaults] boolForKey:@"trackpad"];
Class pointingDeviceClass = useTrackPad ? [TrackPad class] : [TouchScreen class];
#endif
pointingDeviceView = [[pointingDeviceClass alloc] initWithFrame:self.view.bounds];
pointingDeviceView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
[self.view insertSubview:pointingDeviceView aboveSubview:self.screenView];
if ([UIApplication instancesRespondToSelector:@selector(btcMouseSetRawMode:)]) {
[[UIApplication sharedApplication] btcMouseSetRawMode:YES];
}
}
- (Point)mouseLocForCGPoint:(CGPoint)point {
Point mouseLoc;
CGRect screenBounds = self.screenView.screenBounds;
CGSize screenSize = self.screenView.screenSize;
mouseLoc.h = (point.x - screenBounds.origin.x) * (screenSize.width/screenBounds.size.width);
mouseLoc.v = (point.y - screenBounds.origin.y) * (screenSize.height/screenBounds.size.height);
return mouseLoc;
}
- (UIPointerRegion *)pointerInteraction:(UIPointerInteraction *)interaction regionForRequest:(UIPointerRegionRequest *)request defaultRegion:(UIPointerRegion *)defaultRegion {
return defaultRegion;
}
- (UIPointerStyle *)pointerInteraction:(UIPointerInteraction *)interaction styleForRegion:(UIPointerRegion *)region {
return [UIPointerStyle hiddenPointerStyle];
}
- (void)hover:(UIHoverGestureRecognizer *)hoverGestureRecognizer {
Point mouseLoc = [self mouseLocForCGPoint:[hoverGestureRecognizer locationInView:self.screenView]];
[[AppDelegate sharedEmulator] setMouseX:mouseLoc.h Y:mouseLoc.v];
}
@end