const QPen Trace::AxisPen(QColor(128, 128, 128, 64));
const int Trace::LabelHitPadding = 2;
+const QColor Trace::DarkBGColour(235, 235, 235); // Quite light grey
+const QColor Trace::BrightBGColour(245, 245, 245); // Very light grey
+
Trace::Trace(QString name) :
name_(name),
coloured_bg_(true), // Default setting is set in MainWindow::setup_ui()
coloured_bg_ = state;
}
+bool Trace::is_draggable() const
+{
+ const View *const view = owner_->view();
+ assert(view);
+
+ QPoint cursor_pos = view->mapFromGlobal(QCursor::pos());
+
+ // The signal is draggable only in the header area
+ return (cursor_pos.x() <= view->header_size().width());
+}
+
+void Trace::select(bool select)
+{
+ // Trace can only be selected if the mouse cursor is in the header area;
+ // as is_draggable() checks the same thing, we re-use it here
+ if (is_draggable() && select)
+ selected_ = true;
+ else
+ selected_ = false;
+}
+
void Trace::paint_label(QPainter &p, const QRect &rect, bool hover)
{
const int y = get_visual_y();
void Trace::paint_back(QPainter &p, const ViewItemPaintParams &pp)
{
- if (coloured_bg_) {
- p.setPen(QPen(Qt::NoPen));
+ if (coloured_bg_)
p.setBrush(bgcolour_);
+ else
+ p.setBrush(bgcolour_state_ ? BrightBGColour : DarkBGColour);
- const std::pair<int, int> extents = v_extents();
+ p.setPen(QPen(Qt::NoPen));
- const int x = 0;
- const int y = get_visual_y() + extents.first;
- const int w = pp.right() - pp.left();
- const int h = extents.second - extents.first;
+ const std::pair<int, int> extents = v_extents();
- p.drawRect(x, y, w, h);
- }
+ const int x = 0;
+ const int y = get_visual_y() + extents.first;
+ const int w = pp.right() - pp.left();
+ const int h = extents.second - extents.first;
+
+ p.drawRect(x, y, w, h);
}
void Trace::paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y)