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
  15 -(BOOL) isContinuous {
  16     return true;
  17 }
  18
  19 @synthesize dir;
  20
  21 -(NSString*) stringify {
  22         return [[NSString alloc] initWithFormat: @"mmove~%d", dir];
  23 }
  24
  25 +(TargetMouseMove*) unstringifyImpl: (NSArray*) comps {
  26         NSParameterAssert([comps count] == 2);
  27         TargetMouseMove* target = [[TargetMouseMove alloc] init];
  28         [target setDir: [comps[1] integerValue]];
  29         return target;
  30 }
  31
  32 - (BOOL)update:(JoystickController *)jc {
  33     //printf("Dir %d inputValue %f\n", [self dir], [self inputValue]);
  34     if (fabs(self.magnitude) < 0.01)
  35         return NO; // dead zone
  36
  37     NSRect screenRect = [[NSScreen mainScreen] frame];
  38     NSInteger height = screenRect.size.height;
  39
  40     // TODO
  41     float speed = 4.0;
  42     if ([jc frontWindowOnly])
  43         speed = 12.0;
  44     float dx = 0.0, dy = 0.0;
  45     if ([self dir] == 0)
  46         dx = self.magnitude * speed;
  47     else
  48         dy = self.magnitude * speed;
  49     NSPoint mouseLoc = jc.mouseLoc;
  50     mouseLoc.x += dx;
  51     mouseLoc.y -= dy;
  52     jc.mouseLoc = mouseLoc;
  53
  54     CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved,
  55                                               CGPointMake(mouseLoc.x, height - mouseLoc.y),
  56                                               0);
  57     CGEventSetType(move, kCGEventMouseMoved);
  58     CGEventSetIntegerValueField(move, kCGMouseEventDeltaX, dx);
  59     CGEventSetIntegerValueField(move, kCGMouseEventDeltaY, dy);
  60
  61     if ([jc frontWindowOnly]) {
  62         ProcessSerialNumber psn;
  63         GetFrontProcess(&psn);
  64         CGEventPostToPSN(&psn, move);
  65     }
  66     else {
  67         CGEventPost(kCGHIDEventTap, move);
  68     }
  69
  70     CFRelease(move);
  71     return dx || dy;
  72 }
  73
  74 @end