#include?“appinit.h“
#include?“qmutex.h“
#include?“qapplication.h“
#include?“qevent.h“
#include?“qwidget.h“

AppInit?*AppInit::self?=?0;
AppInit?*AppInit::Instance（）
{
????if?（!self）?{
????????QMutex?mutex;
????????QMutexLocker?locker（&mutex）;
????????if?（!self）?{
????????????self?=?new?AppInit;
????????}
????}

????return?self;
}

AppInit::AppInit（Qobject?*parent）?:?Qobject（parent）
{
}

bool?AppInit::eventFilter（Qobject?*obj?QEvent?*evt）
{
????QWidget?*w?=?（QWidget?*）obj;
????if?（!w->property（“canMove“）.toBool（））?{
????????return?Qobject::eventFilter（obj?evt）;
????}

????static?QPoint?mousePoint;
????static?bool?mousePressed?=?false;

????QMouseEvent?*event?=?static_cast（evt）;
????if?（event->type（）?==?QEvent::MouseButtonPress）?{
????????if?（event->button（）?==?Qt::LeftButton）?{
????????????mousePressed?=?true;
????????????mousePoint?=?event->globalPos（）?-?w->pos（）;
????????????return?true;
????????}
????}?else?if?（event->type（）?==?QEvent::MouseButtonRelease）?{
????????mousePressed?=?false;
????????return?true;
????}?else?if?（event->type（）?==?QEvent::MouseMove）?{
????????if?（mousePressed?&&?（event->buttons（）?&&?Qt::LeftButton））?{
????????????w->move（event->globalPos（）?-?mousePoint）;
????????????return?true;
????????}
????}

????return?Qobject::eventFilter（obj?evt）;
}

void?AppInit::start（）
{
????qApp->installEventFilter（this）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-27?19:54??uidemo18\
?????文件????????1429??2017-09-16?14:07??uidemo18\appinit.cpp
?????文件?????????384??2017-09-16?14:04??uidemo18\appinit.h
?????文件?????????198??2017-11-11?14:49??uidemo18\head.h
?????文件????????9598??2017-09-16?13:44??uidemo18\iconhelper.cpp
?????文件????????2639??2017-09-16?14:10??uidemo18\iconhelper.h
?????目錄???????????0??2017-12-27?19:54??uidemo18\image\
?????文件??????165548??2017-04-09?17:13??uidemo18\image\fontawesome-webfont.ttf
?????文件???????64108??2017-07-28?10:06??uidemo18\image\main.jpg
?????文件?????????289??2017-11-13?13:00??uidemo18\main.cpp
?????文件?????????150??2017-11-13?12:57??uidemo18\main.qrc
?????文件??????624375??2017-11-13?13:16??uidemo18\snap.gif
?????文件??????127144??2017-11-13?13:21??uidemo18\snap.png
?????文件????????3893??2017-11-13?13:21??uidemo18\uidemo18.cpp
?????文件?????????517??2017-11-13?12:56??uidemo18\uidemo18.h
?????文件?????????711??2017-11-13?12:50??uidemo18\uidemo18.pro
?????文件???????23928??2017-12-27?19:54??uidemo18\uidemo18.pro.user
?????文件????????8980??2017-11-13?13:05??uidemo18\uidemo18.ui