From: Soeren Apel <redacted>
Date: Mon, 28 Dec 2015 14:13:42 +0000 (+0100)
Subject: Use channel color as the trace background color
X-Git-Tag: pulseview-0.3.0~28
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=99af6802961b0a5ec7ec7d3ff2215c8eb6925ca3

Use channel color as the trace background color
---

diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp
index 683757d1..2597a8f3 100644
--- a/pv/view/analogsignal.cpp
+++ b/pv/view/analogsignal.cpp
@@ -63,7 +63,7 @@ AnalogSignal::AnalogSignal(
 	scale_index_(0),
 	scale_index_drag_offset_(0)
 {
-	colour_ = SignalColours[channel_->index() % countof(SignalColours)];
+	set_colour(SignalColours[channel_->index() % countof(SignalColours)]);
 }
 
 AnalogSignal::~AnalogSignal()
@@ -105,8 +105,10 @@ void AnalogSignal::scale_handle_drag_release()
 
 void AnalogSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
 {
-	if (channel_->enabled())
+	if (channel_->enabled()) {
+		Trace::paint_back(p, pp);
 		paint_axis(p, pp, get_visual_y());
+	}
 }
 
 void AnalogSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
diff --git a/pv/view/logicsignal.cpp b/pv/view/logicsignal.cpp
index 63d15314..5d3ac102 100644
--- a/pv/view/logicsignal.cpp
+++ b/pv/view/logicsignal.cpp
@@ -113,7 +113,7 @@ LogicSignal::LogicSignal(
 {
 	shared_ptr<Trigger> trigger;
 
-	colour_ = SignalColours[channel->index() % countof(SignalColours)];
+	set_colour(SignalColours[channel->index() % countof(SignalColours)]);
 
 	/* Populate this channel's trigger setting with whatever we
 	 * find in the current session trigger, if anything. */
@@ -163,12 +163,6 @@ void LogicSignal::scale_handle_dragged(int offset)
 	signal_height_ = ((units < 1) ? 1 : units) * font_height;
 }
 
-void LogicSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
-{
-	if (channel_->enabled())
-		paint_axis(p, pp, get_visual_y());
-}
-
 void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
 {
 	QLineF *line;
diff --git a/pv/view/logicsignal.hpp b/pv/view/logicsignal.hpp
index d7c4cb64..8c3525e6 100644
--- a/pv/view/logicsignal.hpp
+++ b/pv/view/logicsignal.hpp
@@ -94,13 +94,6 @@ public:
 	 */
 	void scale_handle_dragged(int offset);
 
-	/**
-	 * Paints the background layer of the signal with a QPainter
-	 * @param p the QPainter to paint into.
-	 * @param pp the painting parameters object to paint with..
-	 */
-	void paint_back(QPainter &p, const ViewItemPaintParams &pp);
-
 	/**
 	 * Paints the mid-layer of the signal with a QPainter
 	 * @param p the QPainter to paint into.
diff --git a/pv/view/signal.cpp b/pv/view/signal.cpp
index 47e91f4b..09a6da8f 100644
--- a/pv/view/signal.cpp
+++ b/pv/view/signal.cpp
@@ -107,6 +107,12 @@ const ViewItemOwner::item_list& Signal::child_items() const
 	return items_;
 }
 
+void Signal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
+{
+	if (channel_->enabled())
+		Trace::paint_back(p, pp);
+}
+
 void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
 {
 	name_widget_ = new QComboBox(parent);
diff --git a/pv/view/signal.hpp b/pv/view/signal.hpp
index db328652..bcd4e2eb 100644
--- a/pv/view/signal.hpp
+++ b/pv/view/signal.hpp
@@ -76,6 +76,8 @@ public:
 	 */
 	const item_list& child_items() const;
 
+	void paint_back(QPainter &p, const ViewItemPaintParams &pp);
+
 	virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
 
 	QMenu* create_context_menu(QWidget *parent);
diff --git a/pv/view/trace.cpp b/pv/view/trace.cpp
index 2e15ca95..05054d49 100644
--- a/pv/view/trace.cpp
+++ b/pv/view/trace.cpp
@@ -66,6 +66,9 @@ QColor Trace::colour() const
 void Trace::set_colour(QColor colour)
 {
 	colour_ = colour;
+
+	bgcolour_ = colour;
+	bgcolour_.setAlpha(20);
 }
 
 void Trace::paint_label(QPainter &p, const QRect &rect, bool hover)
@@ -170,6 +173,21 @@ QRectF Trace::hit_box_rect(const ViewItemPaintParams &pp) const
 		pp.width(), h);
 }
 
+void Trace::paint_back(QPainter &p, const ViewItemPaintParams &pp)
+{
+	p.setPen(QPen(Qt::NoPen));
+	p.setBrush(bgcolour_);
+
+	const std::pair<int, int> extents = v_extents();
+
+	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)
 {
 	p.setPen(AxisPen);
@@ -236,7 +254,7 @@ void Trace::on_colour_changed(const QColor &colour)
 	set_colour(colour);
 
 	if (owner_)
-		owner_->row_item_appearance_changed(true, false);
+		owner_->row_item_appearance_changed(true, true);
 }
 
 } // namespace view
diff --git a/pv/view/trace.hpp b/pv/view/trace.hpp
index 677f366b..dce9fcc9 100644
--- a/pv/view/trace.hpp
+++ b/pv/view/trace.hpp
@@ -100,6 +100,13 @@ public:
 	QRectF label_rect(const QRectF &rect) const;
 
 protected:
+	/**
+	 * Paints the background layer of the signal with a QPainter
+	 * @param p the QPainter to paint into.
+	 * @param pp the painting parameters object to paint with..
+	 */
+	virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp);
+
 	/**
 	 * Paints a zero axis across the viewport.
 	 * @param p the QPainter to paint into.
@@ -123,7 +130,7 @@ private Q_SLOTS:
 
 protected:
 	QString name_;
-	QColor colour_;
+	QColor colour_, bgcolour_;
 
 private:
 	pv::widgets::Popup *popup_;