X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fsignal.cpp;h=cdbb65b1638e5ac145c1aaa66cf6c3d99bf12971;hb=cec48d1618edd0f28f21d5351f53692876222e16;hp=3e951b339bc261c319e3807249c2a4d91ae35462;hpb=8d634081d8b0cc741dd34d8c646474ff6754aea8;p=pulseview.git

diff --git a/pv/view/signal.cpp b/pv/view/signal.cpp
index 3e951b33..cdbb65b1 100644
--- a/pv/view/signal.cpp
+++ b/pv/view/signal.cpp
@@ -20,6 +20,11 @@
 
 #include <extdef.h>
 
+#include <assert.h>
+#include <math.h>
+
+#include <QApplication>
+
 #include "signal.h"
 #include "view.h"
 
@@ -27,10 +32,17 @@ namespace pv {
 namespace view {
 
 const int Signal::LabelHitPadding = 2;
+const int Signal::LabelHighlightRadius = 6;
+
+const QPen Signal::SignalAxisPen(QColor(128, 128, 128, 64));
 
-Signal::Signal(QString name) :
-	_name(name)
+Signal::Signal(const sr_probe *const probe) :
+	_probe(probe),
+	_name(probe->name),
+	_v_offset(0),
+	_selected(false)
 {
+	assert(_probe);
 }
 
 QString Signal::get_name() const
@@ -53,21 +65,43 @@ void Signal::set_colour(QColor colour)
 	_colour = colour;
 }
 
-void Signal::paint_label(QPainter &p, const QRect &rect, bool hover)
+int Signal::get_v_offset() const
+{
+	return _v_offset;
+}
+
+void Signal::set_v_offset(int v_offset)
+{
+	_v_offset = v_offset;
+}
+
+bool Signal::selected() const
+{
+	return _selected;
+}
+
+void Signal::select(bool select)
+{
+	_selected = select;
+}
+
+void Signal::paint_label(QPainter &p, int y, int right, bool hover)
 {
 	p.setBrush(_colour);
 
+	if (!_probe->enabled)
+		return;
+
 	const QColor colour = get_colour();
-	const float nominal_offset = get_nominal_offset(rect);
 
 	compute_text_size(p);
-	const QRectF label_rect = get_label_rect(rect);
+	const QRectF label_rect = get_label_rect(y, right);
 
 	// Paint the label
 	const QPointF points[] = {
 		label_rect.topLeft(),
 		label_rect.topRight(),
-		QPointF(rect.right(), nominal_offset),
+		QPointF(right, y),
 		label_rect.bottomRight(),
 		label_rect.bottomLeft()
 	};
@@ -75,11 +109,19 @@ void Signal::paint_label(QPainter &p, const QRect &rect, bool hover)
 	const QPointF highlight_points[] = {
 		QPointF(label_rect.left() + 1, label_rect.top() + 1),
 		QPointF(label_rect.right(), label_rect.top() + 1),
-		QPointF(rect.right() - 1, nominal_offset),
+		QPointF(right - 1, y),
 		QPointF(label_rect.right(), label_rect.bottom() - 1),
 		QPointF(label_rect.left() + 1, label_rect.bottom() - 1)
 	};
 
+	if (_selected) {
+		p.setPen(QPen(QApplication::palette().brush(
+			QPalette::Highlight), LabelHighlightRadius,
+			Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
+		p.setBrush(Qt::transparent);
+		p.drawPolygon(points, countof(points));
+	}
+
 	p.setPen(Qt::transparent);
 	p.setBrush(hover ? colour.lighter() : colour);
 	p.drawPolygon(points, countof(points));
@@ -97,35 +139,43 @@ void Signal::paint_label(QPainter &p, const QRect &rect, bool hover)
 	p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name);
 }
 
-bool Signal::pt_in_label_rect(const QRect &rect, const QPoint &point)
+bool Signal::pt_in_label_rect(int y, int left, int right,
+	const QPoint &point)
 {
-	const QRectF label = get_label_rect(rect);
+	(void)left;
+
+	const QRectF label = get_label_rect(y, right);
 	return QRectF(
 		QPointF(label.left() - LabelHitPadding,
 			label.top() - LabelHitPadding),
-		QPointF(rect.right(),
-			label.bottom() + LabelHitPadding)
-		).contains(point);
+		QPointF(right, label.bottom() + LabelHitPadding)
+			).contains(point);
+}
+
+void Signal::paint_axis(QPainter &p, int y, int left, int right)
+{
+	p.setPen(SignalAxisPen);
+	p.drawLine(QPointF(left, y + 0.5f), QPointF(right, y + 0.5f));
 }
 
 void Signal::compute_text_size(QPainter &p)
 {
-	_text_size = p.boundingRect(QRectF(), 0, _name).size();
+	_text_size = QSize(
+		p.boundingRect(QRectF(), 0, _name).width(),
+		p.boundingRect(QRectF(), 0, "Tg").height());
 }
 
-QRectF Signal::get_label_rect(const QRect &rect)
+QRectF Signal::get_label_rect(int y, int right)
 {
 	using pv::view::View;
 
-	const float nominal_offset = get_nominal_offset(rect) + 0.5;
 	const QSizeF label_size(
 		_text_size.width() + View::LabelPadding.width() * 2,
-		_text_size.height() + View::LabelPadding.height() * 2);
+		ceilf((_text_size.height() + View::LabelPadding.height() * 2) / 2) * 2);
 	const float label_arrow_length = label_size.height() / 2;
 	return QRectF(
-		rect.right() - label_arrow_length -
-			label_size.width() - 0.5,
-		nominal_offset - label_size.height() / 2,
+		right - label_arrow_length - label_size.width() - 0.5,
+		y + 0.5f - label_size.height() / 2,
 		label_size.width(), label_size.height());
 }