From: Joel Holdsworth <redacted>
Date: Sat, 8 Jun 2013 15:55:01 +0000 (+0100)
Subject: Added skeleton pv::view::DecodeSignal
X-Git-Tag: pulseview-0.2.0~315
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=55d3603d6a81995e613535a18a0949b3c469ac8a

Added skeleton pv::view::DecodeSignal
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58365a10..e7235970 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,6 +127,7 @@ set(pulseview_SOURCES
 	pv/view/analogsignal.cpp
 	pv/view/cursor.cpp
 	pv/view/cursorpair.cpp
+	pv/view/decodesignal.cpp
 	pv/view/header.cpp
 	pv/view/marginwidget.cpp
 	pv/view/logicsignal.cpp
diff --git a/pv/view/decodesignal.cpp b/pv/view/decodesignal.cpp
new file mode 100644
index 00000000..3e28d493
--- /dev/null
+++ b/pv/view/decodesignal.cpp
@@ -0,0 +1,64 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+extern "C" {
+#include <libsigrokdecode/libsigrokdecode.h>
+}
+
+#include "decodesignal.h"
+
+using namespace boost;
+using namespace std;
+
+namespace pv {
+namespace view {
+
+DecodeSignal::DecodeSignal(pv::SigSession &session, srd_decoder *const dec) :
+	Trace(session, QString(dec->name)),
+	_decoder(dec)
+{
+	_colour = Qt::red;
+}
+
+bool DecodeSignal::enabled() const
+{
+	return true;
+}
+
+void DecodeSignal::paint(QPainter &p, int y, int left, int right,
+	double scale, double offset)
+{
+	(void)p;
+	(void)y;
+	(void)left;
+	(void)right;
+	(void)offset;
+
+	assert(scale > 0);
+}
+
+const list<QAction*> DecodeSignal::get_context_bar_actions()
+{
+	list<QAction*> actions;
+	return actions;
+}
+
+} // namespace view
+} // namespace pv
diff --git a/pv/view/decodesignal.h b/pv/view/decodesignal.h
new file mode 100644
index 00000000..7e1410e8
--- /dev/null
+++ b/pv/view/decodesignal.h
@@ -0,0 +1,68 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef PULSEVIEW_PV_DECODESIGNAL_H
+#define PULSEVIEW_PV_DECODESIGNAL_H
+
+#include "trace.h"
+
+#include <boost/shared_ptr.hpp>
+
+namespace pv {
+namespace view {
+
+class DecodeSignal : public Trace
+{
+public:
+	DecodeSignal(pv::SigSession &session, srd_decoder *const dec);
+
+	bool enabled() const;
+
+	/**
+	 * Paints the trace with a QPainter
+	 * @param p the QPainter to paint into.
+	 * @param y the y-coordinate to draw the signal at
+	 * @param left the x-coordinate of the left edge of the signal
+	 * @param right the x-coordinate of the right edge of the signal
+	 * @param scale the scale in seconds per pixel.
+	 * @param offset the time to show at the left hand edge of
+	 *   the view in seconds.
+	 **/
+	void paint(QPainter &p, int y, int left, int right,
+		double scale, double offset);
+
+	const std::list<QAction*> get_context_bar_actions();
+
+private:
+
+	/**
+	 * When painting into the rectangle, calculate the y
+	 * offset of the zero point.
+	 **/
+	int get_nominal_offset(const QRect &rect) const;
+
+private:
+	srd_decoder *const _decoder;
+};
+
+} // namespace view
+} // namespace pv
+
+#endif // PULSEVIEW_PV_DECODESIGNAL_H