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 @implementation TargetMouseMove
  12
  13 -(BOOL) isContinuous {
  14     return true;
  15 }
  16
  17 @synthesize dir;
  18
  19 -(NSString*) stringify {
  20         return [[NSString alloc] initWithFormat: @"mmove~%d", dir];
  21 }
  22
  23 +(TargetMouseMove*) unstringifyImpl: (NSArray*) comps {
  24         NSParameterAssert([comps count] == 2);
  25         TargetMouseMove* target = [[TargetMouseMove alloc] init];
  26         [target setDir: [comps[1] integerValue]];
  27         return target;
  28 }
  29
  30 - (BOOL)update:(JoystickController *)jc {
  31     //printf("Dir %d inputValue %f\n", [self dir], [self inputValue]);
  32     if (fabs(self.magnitude) < 0.01)
  33         return NO; // dead zone
  34
  35     NSRect screenRect = [[NSScreen mainScreen] frame];
  36     NSInteger height = screenRect.size.height;
  37
  38     // TODO
  39     float speed = 4.0;
  40     if ([jc frontWindowOnly])
  41         speed = 12.0;
  42     float dx = 0.0, dy = 0.0;
  43     if ([self dir] == 0)
  44         dx = self.magnitude * speed;
  45     else
  46         dy = self.magnitude * speed;
  47     NSPoint mouseLoc = jc.mouseLoc;
  48     mouseLoc.x += dx;
  49     mouseLoc.y -= dy;
  50     jc.mouseLoc = mouseLoc;
  51
  52     CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved,
  53                                               CGPointMake(mouseLoc.x, height - mouseLoc.y),
  54                                               0);
  55     CGEventSetType(move, kCGEventMouseMoved);
  56     CGEventSetIntegerValueField(move, kCGMouseEventDeltaX, dx);
  57     CGEventSetIntegerValueField(move, kCGMouseEventDeltaY, dy);
  58
  59     if ([jc frontWindowOnly]) {
  60         ProcessSerialNumber psn;
  61         GetFrontProcess(&psn);
  62         CGEventPostToPSN(&psn, move);
  63     }
  64     else {
  65         CGEventPost(kCGHIDEventTap, move);
  66     }
  67
  68     CFRelease(move);
  69     return dx || dy;
  70 }
  71
  72 @end