--- /dev/null
+//
+// NJDeviceController.m
+// Enjoy
+//
+// Created by Sam McCall on 4/05/09.
+//
+
+#import "NJDeviceController.h"
+
+#import "NJMapping.h"
+#import "NJMappingsController.h"
+#import "NJDevice.h"
+#import "NJInput.h"
+#import "NJOutput.h"
+#import "NJOutputController.h"
+#import "NJEvents.h"
+
+@implementation NJDeviceController {
+ IOHIDManagerRef hidManager;
+ NSTimer *continuousTimer;
+ NSMutableArray *runningOutputs;
+ NSMutableArray *_devices;
+}
+
+- (id)init {
+ if ((self = [super init])) {
+ _devices = [[NSMutableArray alloc] initWithCapacity:16];
+ runningOutputs = [[NSMutableArray alloc] initWithCapacity:32];
+ }
+ return self;
+}
+
+- (void)dealloc {
+ [continuousTimer invalidate];
+ IOHIDManagerClose(hidManager, kIOHIDOptionsTypeNone);
+ CFRelease(hidManager);
+}
+
+- (void)expandRecursive:(id <NJInputPathElement>)pathElement {
+ if (pathElement) {
+ [self expandRecursive:pathElement.base];
+ [outlineView expandItem:pathElement];
+ }
+}
+
+- (void)addRunningOutput:(NJOutput *)output {
+ if (![runningOutputs containsObject:output]) {
+ [runningOutputs addObject:output];
+ }
+ if (!continuousTimer) {
+ continuousTimer = [NSTimer scheduledTimerWithTimeInterval:1.f/60.f
+ target:self
+ selector:@selector(updateContinuousInputs:)
+ userInfo:nil
+ repeats:YES];
+ NSLog(@"Scheduled continuous output timer.");
+ }
+}
+
+- (void)runOutputForDevice:(IOHIDDeviceRef)device value:(IOHIDValueRef)value {
+ NJDevice *dev = [self findDeviceByRef:device];
+ NJInput *mainInput = [dev inputForEvent:value];
+ [mainInput notifyEvent:value];
+ NSArray *children = mainInput.children ? mainInput.children : mainInput ? @[mainInput] : @[];
+ for (NJInput *subInput in children) {
+ NJOutput *output = mappingsController.currentMapping[subInput];
+ output.magnitude = mainInput.magnitude;
+ output.running = subInput.active;
+ if (output.running && output.isContinuous)
+ [self addRunningOutput:output];
+ }
+}
+
+- (void)showOutputForDevice:(IOHIDDeviceRef)device value:(IOHIDValueRef)value {
+ NJDevice *dev = [self findDeviceByRef:device];
+ NJInput *handler = [dev handlerForEvent:value];
+ if (!handler)
+ return;
+
+ [self expandRecursive:handler];
+ [outlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:[outlineView rowForItem:handler]] byExtendingSelection: NO];
+ [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];
+ }
+}
+
+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) {
+ available = NO;
+ break;
+ }
+ }
+ if (available)
+ return index;
+ }
+}
+
+- (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];
+ [outlineView reloadData];
+}
+
+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 dev;
+ 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 {
+ NJDevice *match = [self findDeviceByRef:device];
+ IOHIDDeviceRegisterInputValueCallback(device, NULL, NULL);
+ if (match) {
+ [_devices removeObject:match];
+ [outlineView reloadData];
+ }
+
+}
+
+- (void)updateContinuousInputs:(NSTimer *)timer {
+ self.mouseLoc = [NSEvent mouseLocation];
+ for (NJOutput *output in [runningOutputs copy]) {
+ if (![output update:self]) {
+ [runningOutputs removeObject:output];
+ }
+ }
+ if (!runningOutputs.count) {
+ [continuousTimer invalidate];
+ continuousTimer = nil;
+ NSLog(@"Unscheduled continuous output timer.");
+ }
+}
+
+#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];
+ }
+
+ IOHIDManagerRegisterDeviceMatchingCallback(hidManager, add_callback, (__bridge void *)self);
+ IOHIDManagerRegisterDeviceRemovalCallback(hidManager, remove_callback, (__bridge void *)self);
+}
+
+- (NJInput *)selectedInput {
+ id <NJInputPathElement> item = [outlineView itemAtRow:outlineView.selectedRow];
+ return (!item.children && item.base) ? item : nil;
+}
+
+- (NSInteger)outlineView:(NSOutlineView *)outlineView
+ numberOfChildrenOfItem:(id <NJInputPathElement>)item {
+ return item ? item.children.count : _devices.count;
+}
+
+- (BOOL)outlineView:(NSOutlineView *)outlineView
+ isItemExpandable:(id <NJInputPathElement>)item {
+ return item ? [[item children] count] > 0: YES;
+}
+
+- (id)outlineView:(NSOutlineView *)outlineView
+ child:(NSInteger)index
+ ofItem:(id <NJInputPathElement>)item {
+ return item ? item.children[index] : _devices[index];
+}
+
+- (id)outlineView:(NSOutlineView *)outlineView
+objectValueForTableColumn:(NSTableColumn *)tableColumn
+ byItem:(id <NJInputPathElement>)item {
+ return item ? item.name : @"root";
+}
+
+- (void)outlineViewSelectionDidChange:(NSNotification *)notification {
+
+ [outputController loadCurrent];
+}
+
+- (void)setTranslatingEvents:(BOOL)translatingEvents {
+ if (translatingEvents != _translatingEvents) {
+ _translatingEvents = translatingEvents;
+ NSString *name = translatingEvents
+ ? NJEventTranslationActivated
+ : NJEventTranslationDeactivated;
+ [NSNotificationCenter.defaultCenter postNotificationName:name
+ object:self];
+ }
+}
+
+@end
projects / enjoyable.git / blobdiff