void BitFieldWidget::wheelEvent(QWheelEvent* we)
{
if (we->delta() > 0)
shiftBitsLeft();
else
shiftBitsRight();
}
void RegisterValue::shiftOneDigit(uint digit, RegisterFormat format)
{
switch (format) {
case HexadecimalFormat:
shiftBitsLeft(this, 4);
v.u64[0] |= digit;
break;
case OctalFormat:
shiftBitsLeft(this, 3);
v.u64[0] |= digit;
break;
case BinaryFormat:
shiftBitsLeft(this, 1);
v.u64[0] |= digit;
break;
case DecimalFormat:
case SignedDecimalFormat: {
shiftBitsLeft(this, 1);
quint64 tmp0 = v.u64[0];
quint64 tmp1 = v.u64[1];
shiftBitsLeft(this, 2);
v.u64[1] += tmp1;
v.u64[0] += tmp0;
if (v.u64[0] < tmp0)
++v.u64[1];
v.u64[0] += digit;
if (v.u64[0] < digit)
++v.u64[1];
break;
}
case CharacterFormat:
shiftBitsLeft(this, 8);
v.u64[0] |= digit;
}
}
BitFieldWidget::BitFieldWidget(QWidget* parent) :
QWidget(parent)
{
m_bitWidgets.reserve(NumberOfBits);
for (int i = 0; i < NumberOfBits; ++i) {
BitWidget* bitWidget = new BitWidget(i);
connect(bitWidget, SIGNAL(stateChanged(bool)), this, SLOT(onBitChanged()));
m_bitWidgets.append(bitWidget);
}
QGridLayout* fieldLayout = new QGridLayout;
int bitOffset = 0;
for (int column = 0; column < 17; ++column) {
if ((column % 2) == 0) {
if ((column % 4) != 0)
continue;
QLabel* topNumberLabel = new QLabel;
QLabel* bottomNumberLabel = new QLabel;
int topNumber = NumberOfBits - column * 2;
int bottomNumber = topNumber - NumberOfBits / 2;
if (column == 0) {
--topNumber;
--bottomNumber;
}
topNumberLabel->setText(QString("%1").arg(topNumber));
bottomNumberLabel->setText(QString("%1").arg(bottomNumber));
fieldLayout->addWidget(topNumberLabel, 0, column);
fieldLayout->addWidget(bottomNumberLabel, 1, column);
} else {
QHBoxLayout* bottomLayout(new QHBoxLayout);
QHBoxLayout* topLayout(new QHBoxLayout);
for (int j = 0; j < 4; ++j) {
const int topIndex = NumberOfBits - 1 - bitOffset * 4 - j;
topLayout->addWidget(m_bitWidgets.at(topIndex));
bottomLayout->addWidget(m_bitWidgets.at(topIndex - NumberOfBits / 2));
}
++bitOffset;
fieldLayout->addLayout(bottomLayout, 1, column, Qt::AlignCenter);
fieldLayout->addLayout(topLayout, 0, column, Qt::AlignCenter);
}
}
QPushButton* resetButton = new QPushButton("0");
resetButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
connect(resetButton, SIGNAL(clicked()), this, SLOT(resetBits()));
QPushButton* invertButton = new QPushButton("~");
invertButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
connect(invertButton, SIGNAL(clicked()), this, SLOT(invertBits()));
QPushButton* shiftLeftButton = new QPushButton("<<");
shiftLeftButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
connect(shiftLeftButton, SIGNAL(clicked()), this, SLOT(shiftBitsLeft()));
QPushButton* shiftRightButton = new QPushButton(">>");
shiftRightButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
connect(shiftRightButton, SIGNAL(clicked()), this, SLOT(shiftBitsRight()));
QVBoxLayout* buttonsLayout = new QVBoxLayout;
buttonsLayout->addWidget(resetButton);
buttonsLayout->addWidget(shiftLeftButton);
QVBoxLayout* buttonsLayout2 = new QVBoxLayout;
buttonsLayout2->addWidget(invertButton);
buttonsLayout2->addWidget(shiftRightButton);
QHBoxLayout* mainLayout = new QHBoxLayout(this);
mainLayout->addStretch();
mainLayout->addLayout(fieldLayout);
mainLayout->addLayout(buttonsLayout);
mainLayout->addLayout(buttonsLayout2);
mainLayout->addStretch();
}
