//模拟鼠标滚轮#if (QT_VERSION < QT_VERSION_CHECK(6,0,0))QWheelEventwheelEvent(QPoint(0,0),-scal,Qt::LeftButton,Qt::NoModifier);#elseQWheelEventwheelEvent(QPointF(0,0),QPointF(0,0),QPoint(0,0),QPoint(0,-scal),Qt::LeftButton,Qt::NoModifier,Qt::ScrollBegin,false);#endifQApplication...
//pro文件引入模块greaterThan(QT_MAJOR_VERSION,4): QT += widgetsgreaterThan(QT_MAJOR_VERSION,5): QT += core5compat//代码中引入头文件#if(QT_VERSION >= QT_VERSION_CHECK(5,0,0))#include<QtWidgets>#endif#if(QT_VERSION >= QT_VERSION_CHECK(6,0,0))#include<QtCore5Compat>#endif 默认Qt...
#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0)) QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Floor); #endif 1. 2. 3. 原有的随机数函数提示用QRandomGenerator替代,为了兼容所有qt版本,改动最小的办法是直接用c++中的随机数,比如qsrand函数换成srand,qrand函...
0), -scal, Qt::LeftButton, Qt::NoModifier);#elseQWheelEventwheelEvent(QPointF(0,0), QPointF(0,0), QPoint(0,0), QPoint(0, -scal), Qt::LeftButton, Qt::NoModifier, Qt::ScrollBegin,false);#endifQApplication::sendEvent(widget, &wheelEvent);//鼠标滚轮直接修改值QWheelEvent *whell...
QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Floor); #endif 1. 2. 3. 原有的随机数函数提示用QRandomGenerator替代,为了兼容所有qt版本,改动最小的办法是直接用c++中的随机数,比如qsrand函数换成srand,qrand函数换成rand,查看过源代码,其实封装的就是c++中的随机数...