LibQQt/test/testmouselocker11/qqtmouselocker_mac.cpp

#include "qqtmouselocker_mac.h"

#include <QEvent>
#include <QMouseEvent>
#include <QFocusEvent>
#include <qqtcore.h>

#include <CoreFoundation/CoreFoundation.h>
#include <CoreServices/CoreServices.h>
#include <CoreGraphics/CoreGraphics.h>
#include <CoreGraphics/CGDisplayConfiguration.h>


//新方法，开启一个线程，
//while使用系统API实时检测鼠标位置，一单移动到rect以外，立即setPOS在边缘
//这个while可是很快吆。
//比mouseEvent快，比Timer快。

//三个平台上，行为应当表现一致

//1. 在activeWindow，马上clipcursor；
//2. installEvent，start，保持clipcursor，stop，停止clipcursor。removeEventFilter以前必须调用关闭！

//我感觉，调用形式可能要变？

//允许多个窗口公用
//允许开启多个句柄

//start/stop 帮助开启和关闭eventFilter。
//跟着rect改变clipcursor的范围

//抓获鼠标
//只要这个窗口变成active就会抓获

//可以实时增加或者删除window
//addwindow
//removewindow

//startcapture
//stopcapture

//选中的style1 style2 Qt、四角。

QQtLockMouseThreadHelper::QQtLockMouseThreadHelper ( QObject* parent ) : QThread ( parent )
{
    workflag = false;
}

QQtLockMouseThreadHelper::~QQtLockMouseThreadHelper()
{
    stopThread();
}

void QQtLockMouseThreadHelper::setTargetWidget ( QWidget* target )
{
    tex.lock();
    this->target = target;
    tex.unlock();
}

void QQtLockMouseThreadHelper::startThread()
{
    tex.lock();
    workflag = true;
    tex.unlock();
    start();
}

void QQtLockMouseThreadHelper::stopThread()
{
    tex.lock();
    workflag = false;
    tex.unlock();
    quit();
    wait();
}

void QQtLockMouseThreadHelper::run()
{
    while ( 1 )
    {
        tex.lock();
        bool lworkflag = workflag;
        tex.unlock();
        if ( !lworkflag )
            return;

        QWidget* target;
        tex.lock();
        target = this->target;
        tex.unlock();

        if ( !target )
            continue;

        //这个引用需要加锁。用户必须保证，手动，优先于UI释放本locker。
        if ( !target->isActiveWindow() )
            continue;

        QWidget& w = *target;

        QPoint p0, p1;
        p0 = w.rect().topLeft();
        p1 = w.rect().bottomRight();
        p0 = w.mapToGlobal ( p0 );
        p1 = w.mapToGlobal ( p1 );
        QRect s = QRect ( p0, p1 );

        int x = QCursor::pos().x();
        int y = QCursor::pos().y();

        int x1 = x, y1 = y;
        if ( x <= s.left() )
            x1 = s.left();
        if ( y <= s.top() )
            y1 = s.top();
        if ( x >= s.right() )
            x1 = s.right();
        if ( y >= s.bottom() )
            y1 = s.bottom();

        QCursor::setPos ( x1, y1 );
        usleep ( 5 );
    }
}

QQtMouseLockerImpl::QQtMouseLockerImpl ( )
{
    helper = new QQtLockMouseThreadHelper;
}

QQtMouseLockerImpl::~QQtMouseLockerImpl()
{
    delete helper;
}

void QQtMouseLockerImpl::lockWindow ( QWidget* target )
{
    //这里需要一个列表
    helper->setTargetWidget ( target );
    helper->startThread();
}

void QQtMouseLockerImpl::unlockWindow ( QWidget* target )
{
    //helper->setTargetWidget ( 0 );
    //helper->stopThread();
}

void QQtMouseLockerImpl::focusInEvent ( QFocusEvent* event, QWidget* target )
{

}

void QQtMouseLockerImpl::focusOutEvent ( QFocusEvent* event, QWidget* target )
{

}

void QQtMouseLockerImpl::mouseMoveEvent ( QMouseEvent* event, QWidget* target )
{
    if ( target == 0 )
    {
        event->ignore();
        return;
    }

    if ( !target->isActiveWindow() )
    {
        event->ignore();
        return;
    }

    helper->setTargetWidget ( target );
    return;

    QWidget& w = *target;

    QPoint p0, p1;
    p0 = w.rect().topLeft();
    p1 = w.rect().bottomRight();
    p0 = w.mapToGlobal ( p0 );
    p1 = w.mapToGlobal ( p1 );
    QRect s = QRect ( p0, p1 );

    int x = event->globalX();
    int y = event->globalY();

    int x1 = x, y1 = y;
    //带上=也没有用，还是抖动。
    if ( x <= s.left() )
        x1 = s.left();
    if ( y <= s.top() )
        y1 = s.top();
    if ( x >= s.right() )
        x1 = s.right();
    if ( y >= s.bottom() )
        y1 = s.bottom();
    pline() << x1 << y1 << s.top() << s.bottom() << s.left() << s.right();

#if 0
    //抖动，只有按下才会锁定。
    QCursor::setPos ( x1, y1 );
#elif 0
    //无论是否注释，都存在严重的抖动。只有按下才会锁定。
    CGAssociateMouseAndMouseCursorPosition ( false );
    CGPoint mouseWarpLocation = CGPointMake ( x1, y1 );
    CGWarpMouseCursorPosition ( mouseWarpLocation );
    CGAssociateMouseAndMouseCursorPosition ( true );
#elif 0
    //还是抖动。只有按下才会锁定。
    CGEventSourceRef evsrc = CGEventSourceCreate ( kCGEventSourceStateCombinedSessionState );
    CGEventSourceSetLocalEventsSuppressionInterval ( evsrc, 0.0 );
    CGAssociateMouseAndMouseCursorPosition ( false );
    CGPoint mouseWarpLocation = CGPointMake ( x1, y1 );
    CGWarpMouseCursorPosition ( mouseWarpLocation );
    CGAssociateMouseAndMouseCursorPosition ( true );
    CFRelease ( evsrc );
#endif

    event->accept();
}