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#ifndef REGISTERWIDGET_H
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#define REGISTERWIDGET_H
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#include <QtWidgets>
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#include <QWidget>
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class regWidgetElement
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{
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public:
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regWidgetElement(const QString& value,QFont font,int xMargin,int yMargin)
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{
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p_valueStr = value;
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p_font = font;
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p_xMargins = xMargin;
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p_yMargins = yMargin;
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updateBoundingRect();
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}
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void setValue(const QString& value)
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{
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p_valueStr = value;
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updateBoundingRect();
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}
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void setFont(QFont font)
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{
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p_font = font;
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updateBoundingRect();
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}
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QSize boundingRect(){return p_boundingRec;}
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QString value(){return p_valueStr;}
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const QChar at ( int position ) const{return p_valueStr.at(position);}
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QFont font(){return p_font;}
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int xMargin(){return p_xMargins;}
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int yMargin(){return p_yMargins;}
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QFontMetrics fontMetrics(){return QFontMetrics(p_font);}
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QPoint paint(QPainter* painter)
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{
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painter->setFont(p_font);
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painter->drawText(0,QFontMetrics(p_font).ascent()+p_yMargins,p_valueStr);
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return QPoint(p_boundingRec.width(),0);
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}
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void updateBoundingRect()
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{
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p_boundingRec.setHeight(QFontMetrics(p_font).boundingRect(p_valueStr).height()+(p_yMargins*2));
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p_boundingRec.setWidth(QFontMetrics(p_font).boundingRect(p_valueStr).width()+(p_xMargins*2));
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}
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protected:
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QString p_valueStr;
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QFont p_font;
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QSize p_boundingRec;
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int p_xMargins;
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int p_yMargins;
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};
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class bitfieldsElement: public regWidgetElement
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{
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struct bitAttribute
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{
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bool rw;
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int descIndex;
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};
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public:
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bitfieldsElement(const QString& value,QFont font,int xMargin,int yMargin)
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:regWidgetElement(value,font,xMargin,yMargin)
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{
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for(int i=0;i<32;i++)
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{
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attributes[i].rw = false;
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}
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updateBoundingRect();
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}
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QPoint paint(QPainter* painter)
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{
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painter->fillRect(4,4,p_boundingRec.width(),p_boundingRec.height(),Qt::darkGray);
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painter->fillRect(0,0,p_boundingRec.width(),p_boundingRec.height(),Qt::white);
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painter->setFont(p_font);
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int xpos=p_xMargins,dx=QFontMetrics(p_font).width("0")+2;
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for(int i=0;i<(32/4);i++)
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{
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for(int l = 0;l<4;l++)
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{
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if(attributes[(i*4)+l].rw==false)
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painter->fillRect(xpos-1,0,dx,p_boundingRec.height(),Qt::lightGray);
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else
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painter->fillRect(xpos-1,0,dx,p_boundingRec.height(),Qt::white);
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painter->drawText(xpos,QFontMetrics(p_font).ascent()+p_yMargins,p_valueStr.at((i*4)+l));
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xpos+=dx;
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}
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if(i==3)
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painter->drawLine(xpos+(p_xMargins/2),p_boundingRec.height()-6,xpos+(p_xMargins/2),p_boundingRec.height()+6);
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else if(i<7)
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painter->drawLine(xpos+(p_xMargins/2),p_boundingRec.height()-2,xpos+(p_xMargins/2),p_boundingRec.height()+2);
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xpos+=p_xMargins;
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}
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painter->drawRect(0,0,p_boundingRec.width(),p_boundingRec.height());
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return QPoint(p_boundingRec.width()+4+p_xMargins,0);
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}
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void updateBoundingRect()
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{
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p_boundingRec.setHeight(QFontMetrics(p_font).boundingRect(p_valueStr).height()+(p_yMargins*2));
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int width = (((4*(QFontMetrics(p_font).width("0") + 2)) + p_xMargins) * 8) + (p_xMargins);
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p_boundingRec.setWidth(width);
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}
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private:
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struct bitAttribute attributes[32];
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};
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class registerWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit registerWidget(const QString& name,qint32 address,QWidget *parent = 0);
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~registerWidget();
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signals:
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void cursorUp(int pos);
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void cursorDown(int pos);
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protected:
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void paintEvent(QPaintEvent* event);
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public slots:
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void setValue(qint32 value);
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private:
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void updateBoundingRect();
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qint32 p_address;
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qint32 p_value;
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QSize p_boundingRect;
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int p_xMargins;
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int p_yMargins;
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regWidgetElement* p_addressEl,*p_nameEl;
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bitfieldsElement* p_fieldsEl;
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};
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#endif // REGISTERWIDGET_H
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