DecodeSignal: avoid specifying a zero samplerate to libsigrokdecode

[pulseview.git] / pv / widgets / wellarray.hpp

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#ifndef PULSEVIEW_PV_WIDGETS_WELLARRAY_HPP
#define PULSEVIEW_PV_WIDGETS_WELLARRAY_HPP

#include <QWidget>

namespace pv {
namespace widgets {

struct WellArrayData;

class WellArray : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(int selectedColumn READ selectedColumn)
    Q_PROPERTY(int selectedRow READ selectedRow)

public:
    WellArray(int rows, int cols, QWidget* parent = nullptr);
    QString cellContent(int row, int col) const;

    int selectedColumn() const { return selCol; }
    int selectedRow() const { return selRow; }

    virtual void setCurrent(int row, int col);
    virtual void setSelected(int row, int col);

    QSize sizeHint() const;

    virtual void setCellBrush(int row, int col, const QBrush &);
    QBrush cellBrush(int row, int col);

    inline int cellWidth() const
        { return cellw; }

    inline int cellHeight() const
        { return cellh; }

    inline int rowAt(int y) const
        { return y / cellh; }

    inline int columnAt(int x) const
        { if (isRightToLeft()) return ncols - (x / cellw) - 1; return x / cellw; }

    inline int rowY(int row) const
        { return cellh * row; }

    inline int columnX(int column) const
        { if (isRightToLeft()) return cellw * (ncols - column - 1); return cellw * column; }

    inline int numRows() const
        { return nrows; }

    inline int numCols() const
        {return ncols; }

    inline QRect cellRect() const
        { return QRect(0, 0, cellw, cellh); }

    inline QSize gridSize() const
        { return QSize(ncols * cellw, nrows * cellh); }

    QRect cellGeometry(int row, int column)
        {
            QRect r;
            if (row >= 0 && row < nrows && column >= 0 && column < ncols)
                r.setRect(columnX(column), rowY(row), cellw, cellh);
            return r;
        }

    inline void updateCell(int row, int column) { update(cellGeometry(row, column)); }

Q_SIGNALS:
    void selected(int row, int col);

protected:
    virtual void paintCell(QPainter *, int row, int col, const QRect&);
    virtual void paintCellContents(QPainter *, int row, int col, const QRect&);

    void mousePressEvent(QMouseEvent*);
    void mouseReleaseEvent(QMouseEvent*);
    void keyPressEvent(QKeyEvent*);
    void focusInEvent(QFocusEvent*);
    void focusOutEvent(QFocusEvent*);
    void paintEvent(QPaintEvent*);

private:
    Q_DISABLE_COPY(WellArray)

    int nrows;
    int ncols;
    int cellw;
    int cellh;
    int curRow;
    int curCol;
    int selRow;
    int selCol;
    WellArrayData *d;
};

}  // namespace widgets
} // namespace pv

#endif // PULSEVIEW_PV_WIDGETS_WELLARRAY_HPP