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Controller.m
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Controller.m
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//
// Controller.m
// MiddleClick
//
// Created by Alex Galonsky on 11/9/09.
// Copyright 2009 __MyCompanyName__. All rights reserved.
//
#import "Controller.h"
#import <Cocoa/Cocoa.h>
#import "TrayMenu.h"
#include <math.h>
#include <unistd.h>
#include <CoreFoundation/CoreFoundation.h>
#import <Foundation/Foundation.h>
#import "WakeObserver.h"
/***************************************************************************
*
* Multitouch API
*
***************************************************************************/
typedef struct { float x,y; } mtPoint;
typedef struct { mtPoint pos,vel; } mtReadout;
typedef struct {
int frame;
double timestamp;
int identifier, state, foo3, foo4;
mtReadout normalized;
float size;
int zero1;
float angle, majorAxis, minorAxis; // ellipsoid
mtReadout mm;
int zero2[2];
float unk2;
} Finger;
typedef void *MTDeviceRef;
typedef int (*MTContactCallbackFunction)(int,Finger*,int,double,int);
MTDeviceRef MTDeviceCreateDefault();
CFMutableArrayRef MTDeviceCreateList(void);
void MTRegisterContactFrameCallback(MTDeviceRef, MTContactCallbackFunction);
void MTDeviceStart(MTDeviceRef, int); // thanks comex
void MTDeviceStop(MTDeviceRef);
NSDate *touchStartTime;
float middleclickX, middleclickY;
float middleclickX2, middleclickY2;
MTDeviceRef dev;
BOOL needToClick;
BOOL maybeMiddleClick;
BOOL pressed;
@implementation Controller
- (void) start
{
pressed = NO;
needToClick = NO;
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
[NSApplication sharedApplication];
//Get list of all multi touch devices
NSMutableArray* deviceList = (NSMutableArray*)MTDeviceCreateList(); //grab our device list
//Iterate and register callbacks for multitouch devices.
for(int i = 0; i<[deviceList count]; i++) //iterate available devices
{
MTRegisterContactFrameCallback((MTDeviceRef)[deviceList objectAtIndex:i], callback); //assign callback for device
MTDeviceStart((MTDeviceRef)[deviceList objectAtIndex:i],0); //start sending events
}
//register a callback to know when osx come back from sleep
WakeObserver *wo = [[WakeObserver alloc] init];
[[[NSWorkspace sharedWorkspace] notificationCenter] addObserver: wo selector: @selector(receiveWakeNote:) name: NSWorkspaceDidWakeNotification object: NULL];
//add traymenu
TrayMenu *menu = [[TrayMenu alloc] initWithController:self];
[NSApp setDelegate:menu];
[NSApp run];
[pool release];
}
- (BOOL)getClickMode
{
return needToClick;
}
- (void)setMode:(BOOL)click
{
needToClick = click;
}
int callback(int device, Finger *data, int nFingers, double timestamp, int frame) {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
if(needToClick)
{
if(nFingers == 3)
{
if(!pressed)
{
NSLog(@"Pressed");
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
CGEventCreateKeyboardEvent(NULL, (CGKeyCode)55, true);
#else
CGPostKeyboardEvent( (CGCharCode)0, (CGKeyCode)55, true );
#endif
pressed = YES;
}
}
if(nFingers == 0) {
if(pressed)
{
NSLog(@"Released");
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
CGEventCreateKeyboardEvent(NULL, (CGKeyCode)55, false);
#else
CGPostKeyboardEvent( (CGCharCode)0, (CGKeyCode)55, false );
#endif
pressed = NO;
}
}
}
else
{
if (nFingers==0){
touchStartTime = NULL;
if(middleclickX+middleclickY) {
float delta = ABS(middleclickX-middleclickX2)+ABS(middleclickY-middleclickY2);
if (delta < 0.4f) {
// Emulate a middle click
// get the current pointer location
CGEventRef ourEvent = CGEventCreate(NULL);
CGPoint ourLoc = CGEventGetLocation(ourEvent);
/*
// CMD+Click code
CGPostKeyboardEvent( (CGCharCode)0, (CGKeyCode)55, true );
CGPostMouseEvent( ourLoc, 1, 1, 1);
CGPostMouseEvent( ourLoc, 1, 1, 0);
CGPostKeyboardEvent( (CGCharCode)0, (CGKeyCode)55, false );
*/
// Real middle click
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
CGEventPost (kCGHIDEventTap, CGEventCreateMouseEvent (NULL,kCGEventOtherMouseDown,ourLoc,kCGMouseButtonCenter));
CGEventPost (kCGHIDEventTap, CGEventCreateMouseEvent (NULL,kCGEventOtherMouseUp,ourLoc,kCGMouseButtonCenter));
#else
CGPostMouseEvent( ourLoc, 1, 3, 0, 0, 1);
CGPostMouseEvent( ourLoc, 1, 3, 0, 0, 0);
#endif
}
}
} else if (nFingers>0 && touchStartTime == NULL){
NSDate *now = [[NSDate alloc] init];
touchStartTime = [now retain];
[now release];
maybeMiddleClick = YES;
middleclickX = 0.0f;
middleclickY = 0.0f;
} else {
if (maybeMiddleClick==YES){
NSTimeInterval elapsedTime = -[touchStartTime timeIntervalSinceNow];
if (elapsedTime > 0.5f)
maybeMiddleClick = NO;
}
}
if (nFingers>3) {
maybeMiddleClick = NO;
middleclickX = 0.0f;
middleclickY = 0.0f;
}
if (nFingers==3) {
Finger *f1 = &data[0];
Finger *f2 = &data[1];
Finger *f3 = &data[2];
if (maybeMiddleClick==YES) {
middleclickX = (f1->normalized.pos.x+f2->normalized.pos.x+f3->normalized.pos.x);
middleclickY = (f1->normalized.pos.y+f2->normalized.pos.y+f3->normalized.pos.y);
middleclickX2 = middleclickX;
middleclickY2 = middleclickY;
maybeMiddleClick=NO;
} else {
middleclickX2 = (f1->normalized.pos.x+f2->normalized.pos.x+f3->normalized.pos.x);
middleclickY2 = (f1->normalized.pos.y+f2->normalized.pos.y+f3->normalized.pos.y);
}
}
}
[pool release];
return 0;
}
@end