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 -(BOOL) isContinuous {
  15     return YES;
  16 }
  17
  18 + (NSString *)serializationCode {
  19     return @"mouse move";
  20 }
  21
  22 - (NSDictionary *)serialize {
  23     return @{ @"type": self.class.serializationCode,
  24               @"axis": @(_axis),
  25               @"speed": @(_speed),
  26               };
  27 }
  28
  29 + (NJOutput *)outputDeserialize:(NSDictionary *)serialization
  30                   withMappings:(NSArray *)mappings {
  31         NJOutputMouseMove *output = [[NJOutputMouseMove alloc] init];
  32     output.axis = [serialization[@"axis"] intValue];
  33     output.speed = [serialization[@"speed"] floatValue];
  34     if (!output.speed)
  35         output.speed = 4;
  36         return output;
  37 }
  38
  39 - (BOOL)update:(NJDeviceController *)jc {
  40     if (self.magnitude < 0.05)
  41         return NO; // dead zone
  42
  43     CGFloat height = NSScreen.mainScreen.frame.size.height;
  44
  45     float dx = 0.f, dy = 0.f;
  46     switch (_axis) {
  47         case 0:
  48             dx = -self.magnitude * _speed;
  49             break;
  50         case 1:
  51             dx = self.magnitude * _speed;
  52             break;
  53         case 2:
  54             dy = -self.magnitude * _speed;
  55             break;
  56         case 3:
  57             dy = self.magnitude * _speed;
  58             break;
  59     }
  60     NSPoint mouseLoc = jc.mouseLoc;
  61     mouseLoc.x += dx;
  62     mouseLoc.y -= dy;
  63     jc.mouseLoc = mouseLoc;
  64
  65     CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved,
  66                                               CGPointMake(mouseLoc.x, height - mouseLoc.y),
  67                                               0);
  68     CGEventSetType(move, kCGEventMouseMoved);
  69     CGEventSetIntegerValueField(move, kCGMouseEventDeltaX, (int)dx);
  70     CGEventSetIntegerValueField(move, kCGMouseEventDeltaY, (int)dy);
  71     CGEventPost(kCGHIDEventTap, move);
  72     CFRelease(move);
  73     return YES;
  74 }
  75
  76 @end