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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
#include "FITKSignalTransfer.h"
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#include <QMetaMethod>
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AppFrame::FITKSignalTransfer::~FITKSignalTransfer()
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{
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//释放数据处理器
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for (auto obj : _signalProcesser)
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delete obj;
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_signalProcesser.clear();
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}
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void AppFrame::FITKSignalTransfer::addSignalProcesser(QObject* obj)
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{
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const QMetaObject* thisMeta = this->metaObject();
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const QMetaObject* slotMeta = obj->metaObject();
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//根据信号的名字自动匹配槽函数
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auto getSlotIndex = [&](const QString& name)
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{
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//遍历全部函数
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const int mc = slotMeta->methodCount();
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for (int i = 0; i < mc; ++i)
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{
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QMetaMethod me = slotMeta->method(i);
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//只对槽函数进行判断
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if (me.methodType() != QMetaMethod::Slot) continue;
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const QString slotName = me.name();
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//槽函数名称符合on_<信号名称> 则认为找到
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if (slotName == "on_" + name) return i;
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}
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return -1;
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};
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//遍历全部函数
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const int mc = thisMeta->methodCount();
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for ( int i = 0; i<mc; ++i)
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{
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QMetaMethod me = thisMeta->method(i);
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//只判断信号
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if (me.methodType() != QMetaMethod::Signal) continue;
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const QString signalName = me.name();
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//根据信号名称获取槽函数名称
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const int index = getSlotIndex(signalName);
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if (index < 0) continue;
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//关联信号与槽函数
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QMetaObject::connect(this, i, obj, index );
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}
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}
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