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 "NJInputController.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     NJOutputMouseMove *output = [[NJOutputMouseMove alloc] init];
  27     output.axis = [serialization[@"axis"] intValue];
  28     output.speed = [serialization[@"speed"] floatValue];
  29     if (!output.speed)
  30         output.speed = 10;
  31     return output;
  32 }
  33
  34 - (BOOL)isContinuous {
  35     return YES;
  36 }
  37
  38 #define CLAMP(a, l, h) MIN(h, MAX(a, l))
  39
  40 - (BOOL)update:(NJInputController *)jc {
  41     if (self.magnitude < 0.05)
  42         return NO; // dead zone
  43
  44     CGSize size = NSScreen.mainScreen.frame.size;
  45
  46     CGFloat dx = 0, dy = 0;
  47     switch (_axis) {
  48         case 0:
  49             dx = -self.magnitude * _speed;
  50             break;
  51         case 1:
  52             dx = self.magnitude * _speed;
  53             break;
  54         case 2:
  55             dy = -self.magnitude * _speed;
  56             break;
  57         case 3:
  58             dy = self.magnitude * _speed;
  59             break;
  60     }
  61     NSPoint mouseLoc = jc.mouseLoc;
  62     mouseLoc.x = CLAMP(mouseLoc.x + dx, 0, size.width - 1);
  63     mouseLoc.y = CLAMP(mouseLoc.y - dy, 0, size.height - 1);
  64     jc.mouseLoc = mouseLoc;
  65
  66     CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved,
  67                                               CGPointMake(mouseLoc.x, size.height - mouseLoc.y),
  68                                               0);
  69     CGEventSetIntegerValueField(move, kCGMouseEventDeltaX, (int)dx);
  70     CGEventSetIntegerValueField(move, kCGMouseEventDeltaY, (int)dy);
  71     CGEventPost(kCGHIDEventTap, move);
  72
  73     if (CGEventSourceButtonState(kCGEventSourceStateHIDSystemState, kCGMouseButtonLeft)) {
  74         CGEventSetType(move, kCGEventLeftMouseDragged);
  75         CGEventSetIntegerValueField(move, kCGMouseEventButtonNumber, kCGMouseButtonLeft);
  76         CGEventPost(kCGHIDEventTap, move);
  77     }
  78     if (CGEventSourceButtonState(kCGEventSourceStateHIDSystemState, kCGMouseButtonRight)) {
  79         CGEventSetType(move, kCGEventRightMouseDragged);
  80         CGEventSetIntegerValueField(move, kCGMouseEventButtonNumber, kCGMouseButtonRight);
  81         CGEventPost(kCGHIDEventTap, move);
  82     }
  83     if (CGEventSourceButtonState(kCGEventSourceStateHIDSystemState, kCGMouseButtonCenter)) {
  84         CGEventSetType(move, kCGEventOtherMouseDragged);
  85         CGEventSetIntegerValueField(move, kCGMouseEventButtonNumber, kCGMouseButtonCenter);
  86         CGEventPost(kCGHIDEventTap, move);
  87     }
  88
  89     CFRelease(move);
  90     return YES;
  91 }
  92
  93 @end