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 true;
  19 }
  20
  21 @synthesize dir;
  22
  23 + (NSString *)serializationCode {
  24     return @"mmove";
  25 }
  26
  27 - (NSDictionary *)serialize {
  28     return @{ @"type": @"mmove", @"dir": @(self.dir) };
  29 }
  30
  31 + (Target *)targetDeserialize:(NSDictionary *)serialization
  32                   withConfigs:(NSArray *)configs {
  33         TargetMouseMove *target = [[TargetMouseMove alloc] init];
  34     target.dir = [serialization[@"dir"] intValue];
  35         return target;
  36 }
  37
  38 - (BOOL)update:(JoystickController *)jc {
  39     if (fabsf(self.magnitude) < 0.01) {
  40         sign = 0;
  41         return NO; // dead zone
  42     }
  43
  44     // If the action crossed over High/Low, this target is done.
  45     if (!sign)
  46         sign = self.magnitude < 0 ? -1 : 1;
  47     else if (sign / self.magnitude < 0) {
  48         sign = 0;
  49         return NO;
  50     }
  51
  52     NSRect screenRect = [[NSScreen mainScreen] frame];
  53     NSInteger height = screenRect.size.height;
  54
  55     // TODO
  56     float speed = 4.f;
  57     if ([jc frontWindowOnly])
  58         speed = 12.f;
  59     float dx = 0.f, dy = 0.f;
  60     if (self.dir == 0)
  61         dx = self.magnitude * speed;
  62     else
  63         dy = self.magnitude * speed;
  64     NSPoint mouseLoc = jc.mouseLoc;
  65     mouseLoc.x += dx;
  66     mouseLoc.y -= dy;
  67     jc.mouseLoc = mouseLoc;
  68
  69     CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved,
  70                                               CGPointMake(mouseLoc.x, height - mouseLoc.y),
  71                                               0);
  72     CGEventSetType(move, kCGEventMouseMoved);
  73     CGEventSetIntegerValueField(move, kCGMouseEventDeltaX, dx);
  74     CGEventSetIntegerValueField(move, kCGMouseEventDeltaY, dy);
  75
  76     if ([jc frontWindowOnly]) {
  77         ProcessSerialNumber psn;
  78         GetFrontProcess(&psn);
  79         CGEventPostToPSN(&psn, move);
  80     }
  81     else {
  82         CGEventPost(kCGHIDEventTap, move);
  83     }
  84
  85     CFRelease(move);
  86     return YES;
  87 }
  88
  89 @end