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cabana: show min and max values in sparkline on hover (#27769)

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This commit is contained in:
Dean Lee
2023-04-01 04:59:08 +08:00
committed by GitHub
parent aa3b8e5f30
commit e82d7a10d3
2 changed files with 28 additions and 2 deletions
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29
tools/cabana/signalview.cc
View File

@@ -344,6 +344,17 @@ bool SignalItemDelegate::helpEvent(QHelpEvent *event, QAbstractItemView *view, c
return QStyledItemDelegate::helpEvent(event, view, option, index);
}
void SignalItemDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const {
auto item = (SignalModel::Item *)index.internalPointer();
if (editor && item->type == SignalModel::Item::Sig && index.column() == 1) {
QRect geom = option.widget->style()->subElementRect(QStyle::SE_ItemViewItemText, &option);
geom.setLeft(geom.right() - editor->sizeHint().width());
editor->setGeometry(geom);
return;
}
QStyledItemDelegate::updateEditorGeometry(editor, option, index);
}
void SignalItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const {
int h_margin = option.widget->style()->pixelMetric(QStyle::PM_FocusFrameHMargin) + 1;
int v_margin = option.widget->style()->pixelMetric(QStyle::PM_FocusFrameVMargin);
@@ -375,6 +386,7 @@ void SignalItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &op
painter->drawText(text_rect, option.displayAlignment, text);
painter->restore();
} else if (index.column() == 1 && item && item->type == SignalModel::Item::Sig) {
painter->save();
if (option.state & QStyle::State_Selected) {
painter->fillRect(option.rect, option.palette.highlight());
}
@@ -389,6 +401,7 @@ void SignalItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &op
QRect sparkline_rect = r.adjusted(0, 0, -r.width() * 0.4 - h_margin, 0);
drawSparkline(painter, sparkline_rect, index);
painter->restore();
} else {
QStyledItemDelegate::paint(painter, option, index);
}
@@ -406,7 +419,8 @@ void SignalItemDelegate::drawSparkline(QPainter *painter, const QRect &rect, con
if (first != last) {
double min = std::numeric_limits<double>::max();
double max = std::numeric_limits<double>::lowest();
const auto sig = ((SignalModel::Item *)index.internalPointer())->sig;
const auto item = (const SignalModel::Item *)index.internalPointer();
const auto sig = item->sig;
points.clear();
for (auto it = first; it != last; ++it) {
double value = get_raw_value(it->dat, it->size, *sig);
@@ -435,6 +449,17 @@ void SignalItemDelegate::drawSparkline(QPainter *painter, const QRect &rect, con
painter->drawEllipse(pt, 2, 2);
}
}
if (item->highlight) {
QFont font;
font.setPixelSize(10);
painter->setFont(font);
painter->setPen(Qt::darkGray);
painter->drawLine(rect.topRight(), rect.bottomRight());
QRect minmax_rect{rect.right() + 3, rect.top(), 1000, rect.height()};
painter->drawText(minmax_rect, Qt::AlignLeft | Qt::AlignTop, QString::number(max));
painter->drawText(minmax_rect, Qt::AlignLeft | Qt::AlignBottom, QString::number(min));
}
}
}
@@ -552,7 +577,6 @@ void SignalView::rowsChanged() {
int h_margin = style()->pixelMetric(QStyle::PM_FocusFrameHMargin);
h->setContentsMargins(0, v_margin, -h_margin, v_margin);
h->setSpacing(style()->pixelMetric(QStyle::PM_ToolBarItemSpacing));
h->addStretch(0);
auto remove_btn = toolButton("x", tr("Remove signal"));
auto plot_btn = toolButton("graph-up", "");
@@ -612,6 +636,7 @@ void SignalView::signalHovered(const cabana::Signal *sig) {
bool highlight = children[i]->sig == sig;
if (std::exchange(children[i]->highlight, highlight) != highlight) {
emit model->dataChanged(model->index(i, 0), model->index(i, 0), {Qt::DecorationRole});
emit model->dataChanged(model->index(i, 1), model->index(i, 1), {Qt::DisplayRole});
}
}
}

1
tools/cabana/signalview.h
View File

@@ -85,6 +85,7 @@ public:
QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
bool helpEvent(QHelpEvent *event, QAbstractItemView *view, const QStyleOptionViewItem &option, const QModelIndex &index) override;
void drawSparkline(QPainter *painter, const QRect &rect, const QModelIndex &index) const;
void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
QValidator *name_validator, *double_validator;
QFont small_font;
const int color_label_width = 18;