X-Git-Url: https://git.yukkurigames.com/?p=enjoyable.git;a=blobdiff_plain;f=Classes%2FNJDeviceController.m;h=0b0fe9289c30fa9267f6335e3eed9ff410b206e0;hp=cb7b9175a9d9a9a2f40bc521f350ca773a71b230;hb=6dddafbcf505939751ddb2d66ffb586d150aaaa8;hpb=f2beb56b9f598beb5bcb66ccf53ddac4c794a1e8 diff --git a/Classes/NJDeviceController.m b/Classes/NJDeviceController.m index cb7b917..0b0fe92 100644 --- a/Classes/NJDeviceController.m +++ b/Classes/NJDeviceController.m @@ -16,38 +16,91 @@ #import "NJEvents.h" @implementation NJDeviceController { - IOHIDManagerRef _hidManager; + NJHIDManager *_hidManager; NSTimer *_continuousOutputsTick; NSMutableArray *_continousOutputs; NSMutableArray *_devices; + NSMutableArray *_expanded; } +#define EXPANDED_MEMORY_MAX_SIZE 100 +#define NSSTR(e) ((NSString *)CFSTR(e)) + - (id)init { if ((self = [super init])) { _devices = [[NSMutableArray alloc] initWithCapacity:16]; _continousOutputs = [[NSMutableArray alloc] initWithCapacity:32]; + + NSArray *expanded = [NSUserDefaults.standardUserDefaults objectForKey:@"expanded rows"]; + if (![expanded isKindOfClass:NSArray.class]) + expanded = @[]; + _expanded = [[NSMutableArray alloc] initWithCapacity:MAX(16, _expanded.count)]; + [_expanded addObjectsFromArray:expanded]; + + _hidManager = [[NJHIDManager alloc] initWithCriteria:@[ + @{ NSSTR(kIOHIDDeviceUsagePageKey) : @(kHIDPage_GenericDesktop), + NSSTR(kIOHIDDeviceUsageKey) : @(kHIDUsage_GD_Joystick) }, + @{ NSSTR(kIOHIDDeviceUsagePageKey) : @(kHIDPage_GenericDesktop), + NSSTR(kIOHIDDeviceUsageKey) : @(kHIDUsage_GD_GamePad) }, + @{ NSSTR(kIOHIDDeviceUsagePageKey) : @(kHIDPage_GenericDesktop), + NSSTR(kIOHIDDeviceUsageKey) : @(kHIDUsage_GD_MultiAxisController) } + ] + delegate:self]; + + [NSNotificationCenter.defaultCenter + addObserver:self + selector:@selector(startHid) + name:NSApplicationDidFinishLaunchingNotification + object:nil]; + + // The HID manager uses 5-10ms per second doing basically + // nothing if a noisy device is plugged in (the % of that + // spent in input_callback is negligible, so it's not + // something we can make faster). I don't really think that's + // acceptable, CPU/power wise. So if translation is disabled + // and the window is closed, just switch off the HID manager + // entirely. This probably also has some marginal benefits for + // compatibility with other applications that want exclusive + // grabs. [NSNotificationCenter.defaultCenter addObserver:self - selector:@selector(setup) - name:NSApplicationDidFinishLaunchingNotification + selector:@selector(stopHidIfDisabled:) + name:NSApplicationDidResignActiveNotification + object:nil]; + [NSNotificationCenter.defaultCenter + addObserver:self + selector:@selector(startHid) + name:NSApplicationDidBecomeActiveNotification object:nil]; } return self; } - (void)dealloc { + [NSNotificationCenter.defaultCenter removeObserver:self]; [_continuousOutputsTick invalidate]; - IOHIDManagerClose(_hidManager, kIOHIDOptionsTypeNone); - CFRelease(_hidManager); } -- (void)expandRecursive:(id )pathElement { +- (void)expandRecursive:(NJInputPathElement *)pathElement { if (pathElement) { - [self expandRecursive:pathElement.base]; + [self expandRecursive:pathElement.parent]; [outlineView expandItem:pathElement]; } } +- (id)elementForUID:(NSString *)uid { + for (NJDevice *dev in _devices) { + id item = [dev elementForUID:uid]; + if (item) + return item; + } + return nil; +} + +- (void)expandRecursiveByUID:(NSString *)uid { + [self expandRecursive:[self elementForUID:uid]]; +} + - (void)addRunningOutput:(NJOutput *)output { // Axis events will trigger every small movement, don't keep // re-adding them or they trigger multiple times each time. @@ -85,17 +138,18 @@ [self expandRecursive:handler]; [outlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:[outlineView rowForItem:handler]] byExtendingSelection: NO]; - [outputController focusKey]; + if (!self.simulatingEvents) + [outputController focusKey]; } -static void input_callback(void *ctx, IOReturn inResult, void *inSender, IOHIDValueRef value) { - NJDeviceController *controller = (__bridge NJDeviceController *)ctx; - IOHIDDeviceRef device = IOHIDQueueGetDevice(inSender); - - if (controller.translatingEvents) { - [controller runOutputForDevice:device value:value]; - } else if ([NSApplication sharedApplication].mainWindow.isVisible) { - [controller showOutputForDevice:device value:value]; +- (void)hidManager:(NJHIDManager *)manager + valueChanged:(IOHIDValueRef)value + fromDevice:(IOHIDDeviceRef)device { + if (self.simulatingEvents + && !NSApplication.sharedApplication.isActive) { + [self runOutputForDevice:device value:value]; + } else { + [self showOutputForDevice:device value:value]; } } @@ -103,7 +157,8 @@ static int findAvailableIndex(NSArray *list, NJDevice *dev) { for (int index = 1; ; index++) { BOOL available = YES; for (NJDevice *used in list) { - if ([used.productName isEqualToString:dev.productName] && used.index == index) { + if ([used.productName isEqualToString:dev.productName] + && used.index == index) { available = NO; break; } @@ -113,20 +168,16 @@ static int findAvailableIndex(NSArray *list, NJDevice *dev) { } } -- (void)addDeviceForDevice:(IOHIDDeviceRef)device { - IOHIDDeviceRegisterInputValueCallback(device, input_callback, (__bridge void *)self); - NJDevice *dev = [[NJDevice alloc] initWithDevice:device]; - dev.index = findAvailableIndex(_devices, dev); - [_devices addObject:dev]; +- (void)hidManager:(NJHIDManager *)manager deviceAdded:(IOHIDDeviceRef)device { + NJDevice *match = [[NJDevice alloc] initWithDevice:device]; + match.index = findAvailableIndex(_devices, match); + [_devices addObject:match]; [outlineView reloadData]; + [self reexpandAll]; + hidSleepingPrompt.hidden = YES; connectDevicePrompt.hidden = !!_devices.count; } -static void add_callback(void *ctx, IOReturn inResult, void *inSender, IOHIDDeviceRef device) { - NJDeviceController *controller = (__bridge NJDeviceController *)ctx; - [controller addDeviceForDevice:device]; -} - - (NJDevice *)findDeviceByRef:(IOHIDDeviceRef)device { for (NJDevice *dev in _devices) if (dev.device == device) @@ -134,18 +185,14 @@ static void add_callback(void *ctx, IOReturn inResult, void *inSender, IOHIDDevi return nil; } -static void remove_callback(void *ctx, IOReturn inResult, void *inSender, IOHIDDeviceRef device) { - NJDeviceController *controller = (__bridge NJDeviceController *)ctx; - [controller removeDeviceForDevice:device]; -} - -- (void)removeDeviceForDevice:(IOHIDDeviceRef)device { +- (void)hidManager:(NJHIDManager *)manager deviceRemoved:(IOHIDDeviceRef)device { NJDevice *match = [self findDeviceByRef:device]; IOHIDDeviceRegisterInputValueCallback(device, NULL, NULL); if (match) { [_devices removeObject:match]; [outlineView reloadData]; connectDevicePrompt.hidden = !!_devices.count; + hidSleepingPrompt.hidden = YES; } if (_devices.count == 1) [outlineView expandItem:_devices[0]]; @@ -164,95 +211,146 @@ static void remove_callback(void *ctx, IOReturn inResult, void *inSender, IOHIDD } } -#define NSSTR(e) ((NSString *)CFSTR(e)) - -- (void)setup { - _hidManager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone); - NSArray *criteria = @[ @{ NSSTR(kIOHIDDeviceUsagePageKey) : @(kHIDPage_GenericDesktop), - NSSTR(kIOHIDDeviceUsageKey) : @(kHIDUsage_GD_Joystick) }, - @{ NSSTR(kIOHIDDeviceUsagePageKey) : @(kHIDPage_GenericDesktop), - NSSTR(kIOHIDDeviceUsageKey) : @(kHIDUsage_GD_GamePad) }, - @{ NSSTR(kIOHIDDeviceUsagePageKey) : @(kHIDPage_GenericDesktop), - NSSTR(kIOHIDDeviceUsageKey) : @(kHIDUsage_GD_MultiAxisController) } - ]; - IOHIDManagerSetDeviceMatchingMultiple(_hidManager, (__bridge CFArrayRef)criteria); - - IOHIDManagerScheduleWithRunLoop(_hidManager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode); - IOReturn ret = IOHIDManagerOpen(_hidManager, kIOHIDOptionsTypeNone); - if (ret != kIOReturnSuccess) { - [[NSAlert alertWithMessageText:@"Input devices are unavailable" - defaultButton:nil - alternateButton:nil - otherButton:nil - informativeTextWithFormat:@"Error 0x%08x occured trying to access your devices. " - @"Input may not be correctly detected or mapped.", - ret] - beginSheetModalForWindow:outlineView.window - modalDelegate:nil - didEndSelector:nil - contextInfo:nil]; +- (void)hidManager:(NJHIDManager *)manager didError:(NSError *)error { + // Since the error shows the window, it can trigger another attempt + // to re-open the HID manager, which will also probably fail and error, + // so don't bother repeating ourselves. + if (!outlineView.window.attachedSheet) { + [NSApplication.sharedApplication activateIgnoringOtherApps:YES]; + [outlineView.window makeKeyAndOrderFront:nil]; + [outlineView.window presentError:error + modalForWindow:outlineView.window + delegate:nil + didPresentSelector:nil + contextInfo:nil]; } - - IOHIDManagerRegisterDeviceMatchingCallback(_hidManager, add_callback, (__bridge void *)self); - IOHIDManagerRegisterDeviceRemovalCallback(_hidManager, remove_callback, (__bridge void *)self); + self.simulatingEvents = NO; + if (manager.running) + [self hidManagerDidStart:manager]; + else + [self hidManagerDidStop:manager]; +} + +- (void)hidManagerDidStart:(NJHIDManager *)manager { + hidSleepingPrompt.hidden = YES; + connectDevicePrompt.hidden = !!_devices.count; +} + +- (void)hidManagerDidStop:(NJHIDManager *)manager { + [_devices removeAllObjects]; + [outlineView reloadData]; + hidSleepingPrompt.hidden = NO; + connectDevicePrompt.hidden = YES; +} + +- (void)startHid { + [_hidManager start]; +} + +- (void)stopHid { + [_hidManager stop]; } - (NJInput *)selectedInput { - id item = [outlineView itemAtRow:outlineView.selectedRow]; - return (!item.children && item.base) ? item : nil; + NJInputPathElement *item = [outlineView itemAtRow:outlineView.selectedRow]; + return (NJInput *)((!item.children && item.parent) ? item : nil); } - (NSInteger)outlineView:(NSOutlineView *)outlineView - numberOfChildrenOfItem:(id )item { + numberOfChildrenOfItem:(NJInputPathElement *)item { return item ? item.children.count : _devices.count; } - (BOOL)outlineView:(NSOutlineView *)outlineView - isItemExpandable:(id )item { + isItemExpandable:(NJInputPathElement *)item { return item ? [[item children] count] > 0: YES; } - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index - ofItem:(id )item { + ofItem:(NJInputPathElement *)item { return item ? item.children[index] : _devices[index]; } - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn - byItem:(id )item { + byItem:(NJInputPathElement *)item { return item ? item.name : @"root"; } - (void)outlineViewSelectionDidChange:(NSNotification *)notification { + NJInputPathElement *item = [outlineView itemAtRow:outlineView.selectedRow]; + if (item) + [NSUserDefaults.standardUserDefaults setObject:item.uid + forKey:@"selected input"]; [outputController loadCurrent]; } - (BOOL)outlineView:(NSOutlineView *)outlineView - isGroupItem:(id )item { + isGroupItem:(NJInputPathElement *)item { return [item isKindOfClass:NJDevice.class]; } - (BOOL)outlineView:(NSOutlineView *)outlineView_ - shouldSelectItem:(id )item { + shouldSelectItem:(NJInputPathElement *)item { return ![self outlineView:outlineView_ isGroupItem:item]; } -- (void)setTranslatingEvents:(BOOL)translatingEvents { - if (translatingEvents != _translatingEvents) { - _translatingEvents = translatingEvents; - NSInteger state = translatingEvents ? NSOnState : NSOffState; +- (void)outlineViewItemDidExpand:(NSNotification *)notification { + NJInputPathElement *item = notification.userInfo[@"NSObject"]; + NSString *uid = item.uid; + if (![_expanded containsObject:uid]) + [_expanded addObject:uid]; + while (_expanded.count > EXPANDED_MEMORY_MAX_SIZE) + [_expanded removeObjectAtIndex:0]; + [NSUserDefaults.standardUserDefaults setObject:_expanded + forKey:@"expanded rows"]; +} + +- (void)outlineViewItemDidCollapse:(NSNotification *)notification { + NJInputPathElement *item = notification.userInfo[@"NSObject"]; + [_expanded removeObject:item.uid]; + [NSUserDefaults.standardUserDefaults setObject:_expanded + forKey:@"expanded rows"]; +} + +- (void)setSimulatingEvents:(BOOL)simulatingEvents { + if (simulatingEvents != _simulatingEvents) { + _simulatingEvents = simulatingEvents; + NSInteger state = simulatingEvents ? NSOnState : NSOffState; translatingEventsButton.state = state; - NSString *name = translatingEvents - ? NJEventTranslationActivated - : NJEventTranslationDeactivated; + NSString *name = simulatingEvents + ? NJEventSimulationStarted + : NJEventSimulationStopped; [NSNotificationCenter.defaultCenter postNotificationName:name object:self]; + + if (!simulatingEvents && !NSApplication.sharedApplication.isActive) + [self stopHid]; + else + [self startHid]; } } -- (IBAction)translatingEventsChanged:(NSButton *)sender { - self.translatingEvents = sender.state == NSOnState; +- (void)reexpandAll { + for (NSString *uid in [_expanded copy]) + [self expandRecursiveByUID:uid]; + if (outlineView.selectedRow == -1) { + NSString *selectedUid = [NSUserDefaults.standardUserDefaults objectForKey:@"selected input"]; + id item = [self elementForUID:selectedUid]; + NSInteger row = [outlineView rowForItem:item]; + if (row >= 0) + [outlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:row] byExtendingSelection:NO]; + } +} + +- (void)stopHidIfDisabled:(NSNotification *)application { + if (!self.simulatingEvents) + [self stopHid]; +} + +- (IBAction)simulatingEventsChanged:(NSButton *)sender { + self.simulatingEvents = sender.state == NSOnState; } @end