Classes/NJOutputMouseMove.m

   1 //
   2 //  NJOutputMouseMove.m
   3 //  Enjoy
   4 //
   5 //  Created by Yifeng Huang on 7/26/12.
   6 //
   7
   8 #import "NJOutputMouseMove.h"
   9
  10 #import "NJDeviceController.h"
  11
  12 @implementation NJOutputMouseMove
  13
  14 + (NSString *)serializationCode {
  15     return @"mouse move";
  16 }
  17
  18 - (NSDictionary *)serialize {
  19     return @{ @"type": self.class.serializationCode,
  20               @"axis": @(_axis),
  21               @"speed": @(_speed),
  22               };
  23 }
  24
  25 + (NJOutput *)outputDeserialize:(NSDictionary *)serialization
  26                   withMappings:(NSArray *)mappings {
  27     NJOutputMouseMove *output = [[NJOutputMouseMove alloc] init];
  28     output.axis = [serialization[@"axis"] intValue];
  29     output.speed = [serialization[@"speed"] floatValue];
  30     if (!output.speed)
  31         output.speed = 10;
  32     return output;
  33 }
  34
  35 - (BOOL)isContinuous {
  36     return YES;
  37 }
  38
  39 #define CLAMP(a, l, h) MIN(h, MAX(a, l))
  40
  41 - (BOOL)update:(NJDeviceController *)jc {
  42     if (self.magnitude < 0.05)
  43         return NO; // dead zone
  44
  45     CGSize size = NSScreen.mainScreen.frame.size;
  46
  47     CGFloat dx = 0, dy = 0;
  48     switch (_axis) {
  49         case 0:
  50             dx = -self.magnitude * _speed;
  51             break;
  52         case 1:
  53             dx = self.magnitude * _speed;
  54             break;
  55         case 2:
  56             dy = -self.magnitude * _speed;
  57             break;
  58         case 3:
  59             dy = self.magnitude * _speed;
  60             break;
  61     }
  62     NSPoint mouseLoc = jc.mouseLoc;
  63     mouseLoc.x = CLAMP(mouseLoc.x + dx, 0, size.width - 1);
  64     mouseLoc.y = CLAMP(mouseLoc.y - dy, 0, size.height - 1);
  65     jc.mouseLoc = mouseLoc;
  66
  67     CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved,
  68                                               CGPointMake(mouseLoc.x, size.height - mouseLoc.y),
  69                                               0);
  70     CGEventSetIntegerValueField(move, kCGMouseEventDeltaX, (int)dx);
  71     CGEventSetIntegerValueField(move, kCGMouseEventDeltaY, (int)dy);
  72     CGEventPost(kCGHIDEventTap, move);
  73
  74     if (CGEventSourceButtonState(kCGEventSourceStateHIDSystemState, kCGMouseButtonLeft)) {
  75         CGEventSetType(move, kCGEventLeftMouseDragged);
  76         CGEventSetIntegerValueField(move, kCGMouseEventButtonNumber, kCGMouseButtonLeft);
  77         CGEventPost(kCGHIDEventTap, move);
  78     }
  79     if (CGEventSourceButtonState(kCGEventSourceStateHIDSystemState, kCGMouseButtonRight)) {
  80         CGEventSetType(move, kCGEventRightMouseDragged);
  81         CGEventSetIntegerValueField(move, kCGMouseEventButtonNumber, kCGMouseButtonRight);
  82         CGEventPost(kCGHIDEventTap, move);
  83     }
  84     if (CGEventSourceButtonState(kCGEventSourceStateHIDSystemState, kCGMouseButtonCenter)) {
  85         CGEventSetType(move, kCGEventOtherMouseDragged);
  86         CGEventSetIntegerValueField(move, kCGMouseEventButtonNumber, kCGMouseButtonCenter);
  87         CGEventPost(kCGHIDEventTap, move);
  88     }
  89
  90     CFRelease(move);
  91     return YES;
  92 }
  93
  94 @end