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Vast change to CAN data grid to show signal names. Many graphical

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tweaks, some bug fixes.
This commit is contained in:
Collin Kidder
2021-08-24 22:28:32 -04:00
parent 20f7217ad3
commit bba4fccac6
6 changed files with 262 additions and 18 deletions
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candatagrid.cpp
+68 -13
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@@ -67,7 +67,7 @@ GridTextState CANDataGrid::getCellTextState(int x, int y)
void CANDataGrid::setSignalNames(int sigIdx, const QString sigName)
{
if (sigIdx < 0) return;
if (sigIdx > signalNames.size())
if (sigIdx >= signalNames.size())
{
signalNames.resize(sigIdx * 2);
}
@@ -104,7 +104,10 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
unsigned char prevByte, thisByte;
bool thisBit, prevBit;
QBrush blackBrush, whiteBrush, redBrush, greenBrush, grayBrush;
QBrush greenHashBrush, blackHashBrush;
QPainter painter(this);
int usedSigNum;
QString prevSigName;
//if this is true then generate unique colors for each signal
if ((signalColors.count() == 0) && (signalNames.count() > 0))
@@ -115,7 +118,7 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
{
QColor newColor;
while (newColor.saturation() < 40)
newColor.setRgb(QRandomGenerator::global()->bounded(160),QRandomGenerator::global()->bounded(160), QRandomGenerator::global()->bounded(160));
newColor.setRgb(QRandomGenerator::global()->bounded(160) + 60,QRandomGenerator::global()->bounded(160) + 60, QRandomGenerator::global()->bounded(160) + 60);
qDebug() << newColor;
signalColors[i] = newColor;
}
@@ -135,6 +138,8 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
whiteBrush = QBrush(Qt::white);
redBrush = QBrush(Qt::red);
greenBrush = QBrush(Qt::green);
greenHashBrush = QBrush(QColor(0, 0xB6, 0), Qt::BDiagPattern);
blackHashBrush = QBrush(QColor(0, 0, 0), Qt::FDiagPattern);
grayBrush = QBrush(QColor(230,230,230));
//the whole thing is broken up into 81 chunks which are broken up
@@ -142,7 +147,8 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
//taken up by helper text
double bigTextSize = qMin(xSector, ySector) * 0.5;
double smallTextSize = qMin(xSector, ySector) * 0.3;
double smallTextSize = qMin(xSector, ySector) * 0.25;
double sigNameTextSize = qMin(xSector, ySector) * 0.19;
painter.setPen(QPen(QApplication::palette().color(QPalette::Text)));
QFont mainFont;
@@ -153,7 +159,10 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
QFont boldFont;
boldFont.setPixelSize(bigTextSize);
boldFont.setBold(true);
QFont sigNameFont;
sigNameFont.setPixelSize(sigNameTextSize);
QFontMetrics smallMetric(sigNameFont);
painter.setFont(smallFont);
painter.drawText(QRect(viewport.left(), viewport.top(), xSector, ySector), Qt::AlignCenter, "BITS ->");
@@ -189,7 +198,7 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
//bits that used to be set but now are unset are red, bits that used to be unset but now are set
//are green
painter.setPen(QPen(Qt::gray));
painter.setPen(QPen(Qt::black));
painter.setFont(mainFont);
for (y = 0; y < 8; y++)
@@ -208,11 +217,13 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
{
if (prevBit)
{
painter.setBrush(blackBrush);
if (signalColors.count() > 0) painter.setBrush(blackHashBrush);
else painter.setBrush(blackBrush);
}
else
{
painter.setBrush(greenBrush);
if (signalColors.count() > 0) painter.setBrush(greenHashBrush);
else painter.setBrush(greenBrush);
}
}
else
@@ -223,9 +234,10 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
}
else
{
usedSigNum = -1;
if ((usedData[y] & (1 << (7-x))) == (1 << (7-x)))
{
int usedSigNum = getUsedSignalNum(bit);
usedSigNum = getUsedSignalNum(bit);
if (usedSigNum == -1)
{
grayBrush = QBrush(QColor(0xB6, 0xB6, 0xB6), Qt::BDiagPattern);
@@ -241,8 +253,9 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
painter.drawRect(viewport.left() + (x+1) * xSector, viewport.top() + (y+1) * ySector, xSector, ySector);
switch (textStates[x][y])
{
case GridTextState::NORMAL:
painter.setPen(QPen(Qt::gray));
case GridTextState::NORMAL:
//if (thisBit && prevBit) painter.setPen(QPen(Qt::gray));
/*else*/ painter.setPen(QPen(Qt::black));
painter.setFont(mainFont);
break;
case GridTextState::BOLD_BLUE:
@@ -256,14 +269,56 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
break;
}
//change style of bit number output for current signal
if (thisBit) painter.setFont(boldFont);
else painter.setFont(mainFont);
//if (thisBit) painter.setFont(boldFont);
// else painter.setFont(mainFont);
painter.setFont(smallFont);
painter.drawText(viewport.left() + (x+1) * xSector + (xSector / 8), viewport.top() + (y + 2) * ySector - (ySector * 0.7), QString::number(bit));
painter.drawText(viewport.left() + (x+1) * xSector + (xSector / 8), viewport.top() + (y + 2) * ySector - (ySector / 3), QString::number(bit));
painter.setFont(mainFont);
painter.setPen(QPen(Qt::gray));
painter.setPen(QPen(Qt::black));
}
}
//now if signal names are loaded we'll go through all the bits again and try to label over top of the grid
if (signalNames.count() > 0)
{
painter.setFont(sigNameFont);
for (y = 0; y < 8; y++)
{
for (x = 0; x < 8; x++)
{
bit = (y * 8) + (7 - x);
usedSigNum = -1;
if ((usedData[y] & (1 << (7-x))) == (1 << (7-x)))
{
usedSigNum = getUsedSignalNum(bit);
if (prevSigName != signalNames[usedSigNum])
{
prevSigName = signalNames[usedSigNum];
int textWidth = smallMetric.horizontalAdvance(prevSigName);
if (textWidth > xSector) //signal name is too long for a single cell. Try to wrap it
{
int numAvgChars = xSector / smallMetric.averageCharWidth();
painter.drawText(viewport.left() + (x+1) * xSector, viewport.top() + (y + 2) * ySector - (ySector * 0.4), prevSigName.left(numAvgChars - 1));
QString remainder = prevSigName.mid(numAvgChars - 1, -1);
textWidth = smallMetric.horizontalAdvance(prevSigName);
if (textWidth > xSector)
{
painter.drawText(viewport.left() + (x+1) * xSector, viewport.top() + (y + 2) * ySector - (ySector * 0.2), remainder.left(numAvgChars - 1));
}
else painter.drawText(viewport.left() + (x+1) * xSector, viewport.top() + (y + 2) * ySector - (ySector * 0.2), remainder);
}
else painter.drawText(viewport.left() + (x+1) * xSector, viewport.top() + (y + 2) * ySector - (ySector * 0.4), prevSigName);
}
}
}
}
}
upperLeft.setX(viewport.left() + 1 * xSector);
upperLeft.setY(viewport.top() + 1 * ySector);
gridSize.setX(xSector);