#import "NJEvents.h"
@implementation NJDeviceController {
- IOHIDManagerRef _hidManager;
+ NJHIDManager *_hidManager;
NSTimer *_continuousOutputsTick;
NSMutableArray *_continousOutputs;
NSMutableArray *_devices;
}
#define EXPANDED_MEMORY_MAX_SIZE 100
+#define NSSTR(e) ((NSString *)CFSTR(e))
- (id)init {
if ((self = [super init])) {
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(applicationDidFinishLaunching:)
+ selector:@selector(startHid)
name:NSApplicationDidFinishLaunchingNotification
object:nil];
// grabs.
[NSNotificationCenter.defaultCenter
addObserver:self
- selector:@selector(closeHidIfDisabled:)
+ selector:@selector(stopHidIfDisabled:)
name:NSApplicationDidResignActiveNotification
object:nil];
[NSNotificationCenter.defaultCenter
addObserver:self
- selector:@selector(openHid)
+ selector:@selector(startHid)
name:NSApplicationDidBecomeActiveNotification
object:nil];
}
- (void)dealloc {
[NSNotificationCenter.defaultCenter removeObserver:self];
[_continuousOutputsTick invalidate];
- [self closeHid];
}
-- (void)expandRecursive:(id <NJInputPathElement>)pathElement {
+- (void)expandRecursive:(NJInputPathElement *)pathElement {
if (pathElement) {
- [self expandRecursive:pathElement.base];
+ [self expandRecursive:pathElement.parent];
[outlineView expandItem:pathElement];
}
}
[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];
}
}
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;
}
}
}
-- (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)
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) {
}
}
-#define NSSTR(e) ((NSString *)CFSTR(e))
-
-- (void)openHid {
- if (_hidManager)
- return;
- NSLog(@"Opening HID manager.");
- _hidManager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
- IOHIDManagerScheduleWithRunLoop(_hidManager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
- 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);
- IOReturn ret = IOHIDManagerOpen(_hidManager, kIOHIDOptionsTypeNone);
- if (ret != kIOReturnSuccess) {
- [[NSAlert alertWithMessageText:NSLocalizedString(@"input devices unavailable",
- @"error title when devices can't be read")
- defaultButton:nil
- alternateButton:nil
- otherButton:nil
- informativeTextWithFormat:NSLocalizedString(@"input error 0x%08x occurred",
- @"message containing IOReturn failure code when devices can't be read"), ret]
- beginSheetModalForWindow:outlineView.window
- modalDelegate:nil
- didEndSelector:nil
- contextInfo:nil];
- [self closeHid];
- } else {
- IOHIDManagerRegisterDeviceMatchingCallback(_hidManager, add_callback, (__bridge void *)self);
- IOHIDManagerRegisterDeviceRemovalCallback(_hidManager, remove_callback, (__bridge void *)self);
- hidSleepingPrompt.hidden = YES;
- connectDevicePrompt.hidden = !!_devices.count;
+- (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];
}
+ self.simulatingEvents = NO;
+ if (manager.running)
+ [self hidManagerDidStart:manager];
+ else
+ [self hidManagerDidStop:manager];
}
-- (void)closeHid {
- if (_hidManager) {
- NSLog(@"Closing HID manager.");
- IOHIDManagerUnscheduleFromRunLoop(_hidManager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
- IOHIDManagerClose(_hidManager, kIOHIDOptionsTypeNone);
- CFRelease(_hidManager);
- _hidManager = NULL;
- }
+- (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 <NJInputPathElement> 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 <NJInputPathElement>)item {
+ numberOfChildrenOfItem:(NJInputPathElement *)item {
return item ? item.children.count : _devices.count;
}
- (BOOL)outlineView:(NSOutlineView *)outlineView
- isItemExpandable:(id <NJInputPathElement>)item {
+ isItemExpandable:(NJInputPathElement *)item {
return item ? [[item children] count] > 0: YES;
}
- (id)outlineView:(NSOutlineView *)outlineView
child:(NSInteger)index
- ofItem:(id <NJInputPathElement>)item {
+ ofItem:(NJInputPathElement *)item {
return item ? item.children[index] : _devices[index];
}
- (id)outlineView:(NSOutlineView *)outlineView
objectValueForTableColumn:(NSTableColumn *)tableColumn
- byItem:(id <NJInputPathElement>)item {
+ byItem:(NJInputPathElement *)item {
return item ? item.name : @"root";
}
- (void)outlineViewSelectionDidChange:(NSNotification *)notification {
- id <NJInputPathElement> item = [outlineView itemAtRow:outlineView.selectedRow];
+ NJInputPathElement *item = [outlineView itemAtRow:outlineView.selectedRow];
if (item)
[NSUserDefaults.standardUserDefaults setObject:item.uid
forKey:@"selected input"];
}
- (BOOL)outlineView:(NSOutlineView *)outlineView
- isGroupItem:(id <NJInputPathElement>)item {
+ isGroupItem:(NJInputPathElement *)item {
return [item isKindOfClass:NJDevice.class];
}
- (BOOL)outlineView:(NSOutlineView *)outlineView_
- shouldSelectItem:(id <NJInputPathElement>)item {
+ shouldSelectItem:(NJInputPathElement *)item {
return ![self outlineView:outlineView_ isGroupItem:item];
}
- (void)outlineViewItemDidExpand:(NSNotification *)notification {
- id <NJInputPathElement> item = notification.userInfo[@"NSObject"];
+ NJInputPathElement *item = notification.userInfo[@"NSObject"];
NSString *uid = item.uid;
if (![_expanded containsObject:uid])
[_expanded addObject:uid];
}
- (void)outlineViewItemDidCollapse:(NSNotification *)notification {
- id <NJInputPathElement> item = notification.userInfo[@"NSObject"];
+ NJInputPathElement *item = notification.userInfo[@"NSObject"];
[_expanded removeObject:item.uid];
[NSUserDefaults.standardUserDefaults setObject:_expanded
forKey:@"expanded rows"];
}
-- (void)setTranslatingEvents:(BOOL)translatingEvents {
- if (translatingEvents != _translatingEvents) {
- _translatingEvents = translatingEvents;
- NSInteger state = translatingEvents ? NSOnState : NSOffState;
+- (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 (!translatingEvents && !NSApplication.sharedApplication.isActive)
- [self closeHid];
- else if (translatingEvents || NSApplication.sharedApplication.isActive)
- [self openHid];
+ if (!simulatingEvents && !NSApplication.sharedApplication.isActive)
+ [self stopHid];
+ else
+ [self startHid];
}
}
}
}
-- (void)closeHidIfDisabled:(NSNotification *)application {
- if (!self.translatingEvents)
- [self closeHid];
-}
-
-- (void)applicationDidFinishLaunching:(NSNotification *)application {
- // NSApplicationWillBecomeActiveNotification occurs just slightly
- // too late - there's one tick where the UI is showing "No
- // devices" even with a device plugged in.
- [self openHid];
+- (void)stopHidIfDisabled:(NSNotification *)application {
+ if (!self.simulatingEvents)
+ [self stopHid];
}
-- (IBAction)translatingEventsChanged:(NSButton *)sender {
- self.translatingEvents = sender.state == NSOnState;
+- (IBAction)simulatingEventsChanged:(NSButton *)sender {
+ self.simulatingEvents = sender.state == NSOnState;
}
@end
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