TargetMouseMove.m

   1 //
   2 //  TargetMouseMove.m
   3 //  Enjoy
   4 //
   5 //  Created by Yifeng Huang on 7/26/12.
   6 //  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
   7 //
   8
   9 #import "TargetMouseMove.h"
  10
  11 #import "JoystickController.h"
  12
  13 @implementation TargetMouseMove {
  14     int sign;
  15 }
  16
  17 -(BOOL) isContinuous {
  18     return YES;
  19 }
  20
  21 + (NSString *)serializationCode {
  22     return @"mmove";
  23 }
  24
  25 - (NSDictionary *)serialize {
  26     return @{ @"type": @"mmove", @"axis": @(_axis) };
  27 }
  28
  29 + (Target *)targetDeserialize:(NSDictionary *)serialization
  30                   withConfigs:(NSArray *)configs {
  31         TargetMouseMove *target = [[TargetMouseMove alloc] init];
  32     target.axis = [serialization[@"axis"] intValue];
  33         return target;
  34 }
  35
  36 - (BOOL)update:(JoystickController *)jc {
  37     if (fabsf(self.magnitude) < 0.01) {
  38         sign = 0;
  39         return NO; // dead zone
  40     }
  41
  42     // If the action crossed over High/Low, this target is done.
  43     if (!sign)
  44         sign = self.magnitude < 0 ? -1 : 1;
  45     else if (sign / self.magnitude < 0) {
  46         sign = 0;
  47         return NO;
  48     }
  49
  50     NSRect screenRect = [[NSScreen mainScreen] frame];
  51     CGFloat height = screenRect.size.height;
  52
  53     // TODO
  54     float speed = 4.f;
  55     if ([jc frontWindowOnly])
  56         speed = 12.f;
  57     float dx = 0.f, dy = 0.f;
  58     if (_axis == 0)
  59         dx = self.magnitude * speed;
  60     else
  61         dy = self.magnitude * speed;
  62     NSPoint mouseLoc = jc.mouseLoc;
  63     mouseLoc.x += dx;
  64     mouseLoc.y -= dy;
  65     jc.mouseLoc = mouseLoc;
  66
  67     CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved,
  68                                               CGPointMake(mouseLoc.x, height - mouseLoc.y),
  69                                               0);
  70     CGEventSetType(move, kCGEventMouseMoved);
  71     CGEventSetIntegerValueField(move, kCGMouseEventDeltaX, (int)dx);
  72     CGEventSetIntegerValueField(move, kCGMouseEventDeltaY, (int)dy);
  73
  74     if ([jc frontWindowOnly]) {
  75         ProcessSerialNumber psn;
  76         GetFrontProcess(&psn);
  77         CGEventPostToPSN(&psn, move);
  78     }
  79     else {
  80         CGEventPost(kCGHIDEventTap, move);
  81     }
  82
  83     CFRelease(move);
  84     return YES;
  85 }
  86
  87 @end