TargetMouseMove.m

   1 //
   2 //  TargetMouseMove.m
   3 //  Enjoy
   4 //
   5 //  Created by Yifeng Huang on 7/26/12.
   6 //
   7
   8 #import "TargetMouseMove.h"
   9
  10 #import "JoystickController.h"
  11
  12 @implementation TargetMouseMove {
  13     int sign;
  14 }
  15
  16 -(BOOL) isContinuous {
  17     return YES;
  18 }
  19
  20 + (NSString *)serializationCode {
  21     return @"mmove";
  22 }
  23
  24 - (NSDictionary *)serialize {
  25     return @{ @"type": @"mmove", @"axis": @(_axis) };
  26 }
  27
  28 + (Target *)targetDeserialize:(NSDictionary *)serialization
  29                   withConfigs:(NSArray *)configs {
  30         TargetMouseMove *target = [[TargetMouseMove alloc] init];
  31     target.axis = [serialization[@"axis"] intValue];
  32         return target;
  33 }
  34
  35 - (BOOL)update:(JoystickController *)jc {
  36     if (fabsf(self.magnitude) < 0.01) {
  37         sign = 0;
  38         return NO; // dead zone
  39     }
  40
  41     // If the action crossed over High/Low, this target is done.
  42     if (!sign)
  43         sign = self.magnitude < 0 ? -1 : 1;
  44     else if (sign / self.magnitude < 0) {
  45         sign = 0;
  46         return NO;
  47     }
  48
  49     CGFloat height = NSScreen.mainScreen.frame.size.height;
  50
  51     // TODO
  52     float speed = 4.f;
  53     if (jc.frontWindowOnly)
  54         speed = 12.f;
  55     float dx = 0.f, dy = 0.f;
  56     if (_axis == 0)
  57         dx = self.magnitude * speed;
  58     else
  59         dy = self.magnitude * speed;
  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
  72     if (jc.frontWindowOnly) {
  73         ProcessSerialNumber psn;
  74         GetFrontProcess(&psn);
  75         CGEventPostToPSN(&psn, move);
  76     }
  77     else {
  78         CGEventPost(kCGHIDEventTap, move);
  79     }
  80
  81     CFRelease(move);
  82     return YES;
  83 }
  84
  85 @end