Initial import

.gitignore

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+# OS X
+.DS_Store
+
+# Xcode
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+*.xcworkspace
+!default.xcworkspace
+xcuserdata
+profile
+*.moved-aside
+DerivedData/
+
+# Makefile products
+Gamepad Menu.app
+Gamepad Menu.zip

Gamepad Menu Helper/AppDelegate.h

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+//
+//  AppDelegate.h
+//  Gamepad Menu Helper
+//
+//  Created by Robbert Klarenbeek on 12/01/16.
+//  Copyright © 2016 Robbert Klarenbeek. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface AppDelegate : NSObject <NSApplicationDelegate>
+
+@end
+

Gamepad Menu Helper/AppDelegate.m

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+//
+//  AppDelegate.m
+//  Gamepad Menu Helper
+//
+//  Created by Robbert Klarenbeek on 12/01/16.
+//  Copyright © 2016 Robbert Klarenbeek. All rights reserved.
+//
+
+#import "AppDelegate.h"
+
+@implementation AppDelegate
+
+- (void)applicationWillFinishLaunching:(NSNotification *)notification {
+    NSString *appPath = [[[[[[NSBundle mainBundle] bundlePath]
+                            stringByDeletingLastPathComponent]
+                           stringByDeletingLastPathComponent]
+                          stringByDeletingLastPathComponent]
+                         stringByDeletingLastPathComponent];
+    [[NSWorkspace sharedWorkspace] launchApplication:appPath];
+    [NSApp terminate:nil];
+}
+
+@end

Gamepad Menu Helper/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2016 Robbert Klarenbeek. All rights reserved.</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+	<key>LSUIElement</key>
+	<true/>
+</dict>
+</plist>

Gamepad Menu Helper/main.m

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+//
+//  main.m
+//  Gamepad Menu Helper
+//
+//  Created by Robbert Klarenbeek on 12/01/16.
+//  Copyright © 2016 Robbert Klarenbeek. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "AppDelegate.h"
+
+int main(int argc, const char * argv[]) {
+    AppDelegate *delegate = [[AppDelegate alloc] init];
+    [[NSApplication sharedApplication] setDelegate:delegate];
+    [NSApp run];
+}

Gamepad Menu/AppDelegate.h

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+//
+//  AppDelegate.h
+//  Gamepad Menu
+//
+//  Created by Robbert Klarenbeek on 12/01/16.
+//  Copyright © 2016 Robbert Klarenbeek. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface AppDelegate : NSObject <NSApplicationDelegate>
+@property (assign) IBOutlet NSMenu *menu;
+@property (nonatomic, strong) NSStatusItem *statusItem;
+@end
+

Gamepad Menu/AppDelegate.m

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+//
+//  AppDelegate.m
+//  Gamepad Menu
+//
+//  Created by Robbert Klarenbeek on 12/01/16.
+//  Copyright © 2016 Robbert Klarenbeek. All rights reserved.
+//
+
+#import "AppDelegate.h"
+
+#import "ElementBinding.h"
+#import "GamepadManager.h"
+#import "PresetMenuItem.h"
+
+static NSString *const kStatusMenuTemplateName = @"StatusMenuTemplate";
+
+static NSString *const kDeviceProfilesDirectory = @"Device Profiles";
+static NSString *const kPresetsDirectory = @"Presets";
+
+static NSString *const kEntityTitleKey = @"Title";
+static NSString *const kDeviceProfileIdentifierKey = @"Identifier";
+static NSString *const kDeviceProfileIdentifierVendorKey = @"Vendor";
+static NSString *const kDeviceProfileIdentifierProductKey = @"Product";
+
+@interface AppDelegate () <GamepadManagerDelegate, PresetMenuItemDelegate> {
+    NSArray *_deviceProfiles;
+    NSArray *_presets;
+
+    GamepadManager *_gamepadManager;
+    NSMutableDictionary *_connectedDevices;
+    NSMutableDictionary *_elementBindings;
+}
+
+@end
+
+@implementation AppDelegate
+
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
+    _statusItem = [[NSStatusBar systemStatusBar] statusItemWithLength:NSVariableStatusItemLength];
+    _statusItem.menu = self.menu;
+    _statusItem.image = [NSImage imageNamed:kStatusMenuTemplateName];
+    _statusItem.highlightMode = YES;
+
+    _connectedDevices = [NSMutableDictionary new];
+    _elementBindings = [NSMutableDictionary new];
+
+    _deviceProfiles = [self loadPlistsFromDirectory:kDeviceProfilesDirectory];
+    _presets = [self loadPlistsFromDirectory:kPresetsDirectory];
+
+    _gamepadManager = [GamepadManager new];
+    _gamepadManager.delegate = self;
+}
+
+- (void)applicationWillTerminate:(NSNotification *)aNotification {
+    [[NSStatusBar systemStatusBar] removeStatusItem:self.statusItem];
+}
+
+- (NSArray *)loadPlistsFromDirectory:(NSString *)directory {
+    NSMutableArray *items = [NSMutableArray new];
+    NSBundle *bundle = [NSBundle mainBundle];
+    NSArray *files = [[bundle pathsForResourcesOfType:@"plist" inDirectory:directory] sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
+    for (NSString *file in files) {
+        NSMutableDictionary *item = [NSMutableDictionary dictionaryWithContentsOfFile:file];
+        item[kEntityTitleKey] = [[file lastPathComponent] stringByDeletingPathExtension];
+        [items addObject:item];
+    }
+    return items;
+}
+
+- (NSMenuItem *)menuItemForDevice:(IOHIDDeviceRef)device withDeviceProfile:(NSDictionary *)deviceProfile {
+    NSMenu *menu = [NSMenu new];
+
+    for (NSDictionary *preset in _presets) {
+        PresetMenuItem *menuItem = [[PresetMenuItem alloc] initWithDevice:device deviceProfile:deviceProfile preset:preset];
+        menuItem.delegate = self;
+        [menu addItem:menuItem];
+    }
+
+    [menu addItem:[NSMenuItem separatorItem]];
+    PresetMenuItem *disabledMenuItem = [PresetMenuItem disabledMenuItem:device];
+    disabledMenuItem.delegate = self;
+    [menu addItem:disabledMenuItem];
+
+    NSMenuItem *menuItem = [NSMenuItem new];
+    menuItem.title = deviceProfile[kEntityTitleKey];
+    menuItem.submenu = menu;
+    return menuItem;
+}
+
+- (NSMenuItem *)menuItemForUnknownDeviceWithVendor:(uint32_t)vendorId product:(uint32_t)productId {
+    NSMenu *menu = [NSMenu new];
+
+    NSMenuItem *infoItem = [NSMenuItem new];
+    infoItem.title = NSLocalizedString(@"No profile exists for this device", @"Unknown device info text");
+    infoItem.enabled = NO;
+    [menu addItem:infoItem];
+    [menu addItem:[NSMenuItem separatorItem]];
+
+    NSMenuItem *vendorIdItem = [NSMenuItem new];
+    vendorIdItem.title = [NSString stringWithFormat:@"Vendor ID: 0x%02x", vendorId];
+    vendorIdItem.enabled = NO;
+    [menu addItem:vendorIdItem];
+
+    NSMenuItem *productIdItem = [NSMenuItem new];
+    productIdItem.title = [NSString stringWithFormat:@"Product ID: 0x%02x", productId];
+    productIdItem.enabled = NO;
+    [menu addItem:productIdItem];
+
+    NSMenuItem *menuItem = [NSMenuItem new];
+    menuItem.title = NSLocalizedString(@"Unknown Gamepad", @"Name for unknown device");
+    menuItem.submenu = menu;
+    return menuItem;
+}
+
+#pragma mark - PresetMenuItemDelegate
+
+- (void)clearElementBindingsForDevice:(IOHIDDeviceRef)device {
+    for (id elementHash in [_elementBindings allKeys]) {
+        ElementBinding *elementBinding = _elementBindings[elementHash];
+        if (elementBinding.device == device) [_elementBindings removeObjectForKey:elementHash];
+    }
+}
+
+- (void)addElementBinding:(ElementBinding *)elementBinding {
+    id elementHash = [NSValue valueWithPointer:elementBinding.element];
+    _elementBindings[elementHash] = elementBinding;
+}
+
+#pragma mark - GamepadManagerDelegate
+
+- (void)deviceDidConnect:(IOHIDDeviceRef)device {
+    uint32_t vendorId = 0;
+    CFNumberGetValue(IOHIDDeviceGetProperty(device, CFSTR(kIOHIDVendorIDKey)), kCFNumberSInt32Type, &vendorId);
+
+    uint32_t productId = 0;
+    CFNumberGetValue(IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductIDKey)), kCFNumberSInt32Type, &productId);
+
+    NSDictionary *deviceProfile;
+    for (NSDictionary *deviceProfileCandidate in _deviceProfiles) {
+        id identifier = deviceProfileCandidate[kDeviceProfileIdentifierKey];
+        NSArray *identifierCandidates;
+        if ([identifier isKindOfClass:[NSDictionary class]]) {
+            identifierCandidates = @[identifier];
+        } else if ([identifier isKindOfClass:[NSArray class]]) {
+            identifierCandidates = identifier;
+        } else {
+            continue;
+        }
+        for (NSDictionary *identifierCandidate in identifierCandidates) {
+            if (vendorId != [identifierCandidate[kDeviceProfileIdentifierVendorKey] unsignedIntegerValue]) continue;
+            if (productId != [identifierCandidate[kDeviceProfileIdentifierProductKey] unsignedIntegerValue]) continue;
+            deviceProfile = deviceProfileCandidate;
+            break;
+        }
+        if (deviceProfile) break;
+    }
+
+    NSMenuItem *menuItem;
+    if (!deviceProfile) {
+        menuItem = [self menuItemForUnknownDeviceWithVendor:vendorId product:productId];
+        deviceProfile = @{};
+    } else {
+        menuItem = [self menuItemForDevice:device withDeviceProfile:deviceProfile];
+    }
+    menuItem.tag = (NSInteger)device;
+
+    NSMenuItem *placeholder = nil;
+    BOOL didInsert = NO;
+    for (NSMenuItem *existingMenuItem in _menu.itemArray) {
+        if (existingMenuItem.isSeparatorItem) break;
+        if (existingMenuItem.tag == 0) {
+            placeholder = existingMenuItem;
+            continue;
+        }
+        if (didInsert) continue;
+        NSComparisonResult compare = [existingMenuItem.title caseInsensitiveCompare:menuItem.title];
+        if (compare == NSOrderedAscending) continue;
+        if (compare == NSOrderedSame && menuItem.tag > existingMenuItem.tag) continue;
+        [_menu insertItem:menuItem atIndex:[_menu indexOfItem:existingMenuItem]];
+        didInsert = YES;
+    }
+
+    if (!didInsert) [_menu insertItem:menuItem atIndex:[_menu indexOfItem:placeholder]];
+    placeholder.hidden = YES;
+
+    _connectedDevices[[NSValue valueWithPointer:device]] = deviceProfile;
+}
+
+- (void)deviceDidDisconnect:(IOHIDDeviceRef)device {
+    [_connectedDevices removeObjectForKey:[NSValue valueWithPointer:device]];
+    [self clearElementBindingsForDevice:device];
+
+    NSMenuItem *placeholder = nil;
+    for (NSMenuItem *existingMenuItem in _menu.itemArray) {
+        if (existingMenuItem.isSeparatorItem) break;
+        if (existingMenuItem.tag == 0) placeholder = existingMenuItem;
+        if (existingMenuItem.tag == (NSInteger)device) [_menu removeItem:existingMenuItem];
+    }
+
+    placeholder.hidden = _connectedDevices.count > 0;
+}
+
+- (void)deviceDidChange:(IOHIDValueRef)value {
+    IOHIDElementRef element = IOHIDValueGetElement(value);
+    id elementHash = [NSValue valueWithPointer:element];
+    ElementBinding *elementBinding = _elementBindings[elementHash];
+    [elementBinding updateValue:IOHIDValueGetIntegerValue(value)];
+}
+
+@end