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 -(void) trigger: (JoystickController *)jc {
  31     return;
  32 }
  33
  34 -(void) untrigger: (JoystickController *)jc {
  35     return;
  36 }
  37
  38 - (BOOL)update:(JoystickController *)jc {
  39     //printf("Dir %d inputValue %f\n", [self dir], [self inputValue]);
  40     if (fabs([self inputValue]) < 0.01)
  41         return NO; // dead zone
  42
  43     NSRect screenRect = [[NSScreen mainScreen] frame];
  44     NSInteger height = screenRect.size.height;
  45
  46     // TODO
  47     double speed = 4.0;
  48     if ([jc frontWindowOnly])
  49         speed = 12.0;
  50     double dx = 0.0, dy = 0.0;
  51     if ([self dir] == 0)
  52         dx = [self inputValue] * speed;
  53     else
  54         dy = [self inputValue] * speed;
  55     NSPoint mouseLoc = jc.mouseLoc;
  56     mouseLoc.x += dx;
  57     mouseLoc.y -= dy;
  58     jc.mouseLoc = mouseLoc;
  59
  60     CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved,
  61                                               CGPointMake(mouseLoc.x, height - mouseLoc.y),
  62                                               0);
  63     CGEventSetType(move, kCGEventMouseMoved);
  64     CGEventSetIntegerValueField(move, kCGMouseEventDeltaX, dx);
  65     CGEventSetIntegerValueField(move, kCGMouseEventDeltaY, dy);
  66
  67     if ([jc frontWindowOnly]) {
  68         ProcessSerialNumber psn;
  69         GetFrontProcess(&psn);
  70         CGEventPostToPSN(&psn, move);
  71     }
  72     else {
  73         CGEventPost(kCGHIDEventTap, move);
  74     }
  75
  76     CFRelease(move);
  77     return dx || dy;
  78 }
  79
  80 @end