minivmac4ios/Mini vMac/ViewController.m
Jesús A. Álvarez d93ae3ce89 use default modal presentation transition for settings and disks
getting it right on iPad and iPhone seems too much of a hack
2022-05-26 17:43:16 +02:00

386 lines
14 KiB
Objective-C

//
// ViewController.m
// Mini vMac
//
// Created by Jesús A. Álvarez on 27/04/2016.
// Copyright © 2016-2018 namedfork. All rights reserved.
//
#import "ViewController.h"
#import "TouchScreen.h"
#import "TrackPad.h"
#import "AppDelegate.h"
#import "KBKeyboardView.h"
#import "KBKeyboardLayout.h"
@interface ViewController () <UIAdaptivePresentationControllerDelegate>
@end
#ifdef __IPHONE_13_4
API_AVAILABLE(ios(13.4))
@interface ViewController (PointerInteraction) <UIPointerInteractionDelegate>
@end
#endif
@implementation ViewController
{
KBKeyboardView *keyboardView;
UISwipeGestureRecognizer *showKeyboardGesture, *hideKeyboardGesture, *insertDiskGesture, *showSettingsGesture;
UIControl *pointingDeviceView;
id interaction;
}
- (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;
}
- (void)viewDidLoad {
[super viewDidLoad];
[self installKeyboardGestures];
insertDiskGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(showInsertDisk:)];
insertDiskGesture.direction = UISwipeGestureRecognizerDirectionLeft;
insertDiskGesture.numberOfTouchesRequired = 2;
[self.view addGestureRecognizer:insertDiskGesture];
showSettingsGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(showSettings:)];
showSettingsGesture.direction = UISwipeGestureRecognizerDirectionRight;
showSettingsGesture.numberOfTouchesRequired = 2;
[self.view addGestureRecognizer:showSettingsGesture];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(emulatorDidShutDown:) name:[AppDelegate sharedEmulator].shutdownNotification object:nil];
[self scheduleHelpPresentationIfNeededAfterDelay:6.0];
}
- (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 {
[self cancelHelpPresentation];
if ([@[@"disk", @"settings"] containsObject:segue.identifier]) {
segue.destinationViewController.presentationController.delegate = self;
if (self.presentedViewController != nil) {
[self dismissViewControllerAnimated:YES completion:nil];
}
}
}
- (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;
}
}
- (BOOL)prefersStatusBarHidden {
UIScreen *screen = self.view.window.screen;
return CGRectEqualToRect(screen.bounds, self.view.window.bounds);
}
- (UIStatusBarStyle)preferredStatusBarStyle {
return UIStatusBarStyleLightContent;
}
- (UIRectEdge)preferredScreenEdgesDeferringSystemGestures {
return UIRectEdgeAll;
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
[self setUpPointingDevice];
[[NSUserDefaults standardUserDefaults] addObserver:self forKeyPath:@"trackpad" options:0 context:NULL];
}
- (void)viewDidDisappear:(BOOL)animated {
[[NSUserDefaults standardUserDefaults] removeObserver:self forKeyPath:@"trackpad"];
}
- (void)setUpPointingDevice {
if (pointingDeviceView) {
[pointingDeviceView removeFromSuperview];
pointingDeviceView = nil;
}
#ifdef __IPHONE_13_4
if (@available(iOS 13.4, *)) {
if (interaction == nil) {
interaction = [[UIPointerInteraction alloc] initWithDelegate: self];
[self.view addInteraction:interaction];
}
}
#endif
BOOL useTrackPad = [[NSUserDefaults standardUserDefaults] boolForKey:@"trackpad"];
Class pointingDeviceClass = useTrackPad ? [TrackPad class] : [TouchScreen class];
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];
}
}
- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {
if (motion == UIEventSubtypeMotionShake) {
[[AppDelegate sharedInstance] showInsertDisk:self];
}
}
- (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) {
BOOL keyboardWasVisible = self.keyboardVisible;
[self setKeyboardVisible:NO animated:NO];
[keyboardView removeFromSuperview];
keyboardView = nil;
if (keyboardWasVisible) {
[self setKeyboardVisible:YES animated:NO];
}
} else if ([keyPath isEqualToString:@"trackpad"]) {
[self setUpPointingDevice];
}
}
}
- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
[super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
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];
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];
}
}
#pragma mark - Gesture Help
- (void)showGestureHelp:(id)sender {
[self setGestureHelpHidden:NO];
}
- (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];
}
#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 {
return keyboardView != nil && CGRectIntersectsRect(keyboardView.frame, self.view.bounds) && !keyboardView.hidden;
}
- (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 {
if (self.keyboardVisible == visible) {
return;
}
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;
} 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;
} completion:^(BOOL finished) {
if (finished) {
self->keyboardView.hidden = YES;
}
}];
} else {
keyboardView.hidden = YES;
}
}
}
- (void)loadKeyboardView {
if (keyboardView != nil && keyboardView.bounds.size.width != self.view.bounds.size.width) {
// keyboard needs resizing
[keyboardView removeFromSuperview];
keyboardView = nil;
}
if (keyboardView == nil) {
UIEdgeInsets safeAreaInsets = UIEdgeInsetsZero;
if (@available(iOS 11, *)) {
safeAreaInsets = self.view.safeAreaInsets;
}
keyboardView = [[KBKeyboardView alloc] initWithFrame:self.view.bounds safeAreaInsets:safeAreaInsets];
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"];
}
if (layoutPath == nil) {
NSLog(@"Layout not found: %@", layoutPath);
}
return layoutPath ? [[KBKeyboardLayout alloc] initWithContentsOfFile:layoutPath] : nil;
}
- (void)keyDown:(int)scancode {
[[AppDelegate sharedEmulator] keyDown:scancode];
}
- (void)keyUp:(int)scancode {
[[AppDelegate sharedEmulator] keyUp:scancode];
}
@end
#ifdef __IPHONE_13_4
API_AVAILABLE(ios(13.4))
@implementation ViewController (PointerInteraction)
- (UIPointerRegion *)pointerInteraction:(UIPointerInteraction *)interaction regionForRequest:(UIPointerRegionRequest *)request defaultRegion:(UIPointerRegion *)defaultRegion API_AVAILABLE(ios(13.4)){
if (request != nil) {
Point mouseLoc = [self mouseLocForCGPoint:request.location];
[[AppDelegate sharedEmulator] setMouseX:mouseLoc.h Y:mouseLoc.v];
}
return defaultRegion;
}
- (UIPointerStyle *)pointerInteraction:(UIPointerInteraction *)interaction styleForRegion:(UIPointerRegion *)region {
return [UIPointerStyle hiddenPointerStyle];
}
@end
#endif