Link signals to probes

[pulseview.git] / pv / view / signal.cpp

diff --git a/pv/view/signal.cpp b/pv/view/signal.cpp
index 2469d981632b59d9f8eaadb0b8cc2248d41e831c..cdbb65b1638e5ac145c1aaa66cf6c3d99bf12971 100644 (file)
--- a/pv/view/signal.cpp
+++ b/pv/view/signal.cpp
@@ -20,6 +20,9 @@
 
 #include <extdef.h>
 
+#include <assert.h>
+#include <math.h>
+
 #include <QApplication>
 
 #include "signal.h"
@@ -31,11 +34,15 @@ namespace view {
 const int Signal::LabelHitPadding = 2;
 const int Signal::LabelHighlightRadius = 6;
 
-Signal::Signal(QString name) :
-       _name(name),
+const QPen Signal::SignalAxisPen(QColor(128, 128, 128, 64));
+
+Signal::Signal(const sr_probe *const probe) :
+       _probe(probe),
+       _name(probe->name),
        _v_offset(0),
        _selected(false)
 {
+       assert(_probe);
 }
 
 QString Signal::get_name() const
@@ -82,6 +89,9 @@ void Signal::paint_label(QPainter &p, int y, int right, bool hover)
 {
        p.setBrush(_colour);
 
+       if (!_probe->enabled)
+               return;
+
        const QColor colour = get_colour();
 
        compute_text_size(p);
@@ -132,6 +142,8 @@ void Signal::paint_label(QPainter &p, int y, int right, bool hover)
 bool Signal::pt_in_label_rect(int y, int left, int right,
        const QPoint &point)
 {
+       (void)left;
+
        const QRectF label = get_label_rect(y, right);
        return QRectF(
                QPointF(label.left() - LabelHitPadding,
@@ -140,9 +152,17 @@ bool Signal::pt_in_label_rect(int y, int left, int right,
                        ).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(int y, int right)
@@ -151,7 +171,7 @@ QRectF Signal::get_label_rect(int y, int right)
 
        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(
                right - label_arrow_length - label_size.width() - 0.5,