X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Flogicsignal.hpp;fp=pv%2Fviews%2Ftrace%2Flogicsignal.hpp;h=2f5c66baa219fb69dcb8e9e42e08de1c01ad1849;hp=0000000000000000000000000000000000000000;hb=1573bf16ba50d1c023ad3a9ce596f0ab6eaeacff;hpb=4c7a19d3d7049bcc9fb3185ce2bc91333a7ca9e1

diff --git a/pv/views/trace/logicsignal.hpp b/pv/views/trace/logicsignal.hpp
new file mode 100644
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+++ b/pv/views/trace/logicsignal.hpp
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+/*
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_LOGICSIGNAL_HPP
+#define PULSEVIEW_PV_VIEWS_TRACEVIEW_LOGICSIGNAL_HPP
+
+#include <QCache>
+
+#include "signal.hpp"
+
+#include <memory>
+
+using std::pair;
+using std::shared_ptr;
+using std::vector;
+
+class QIcon;
+class QToolBar;
+
+namespace sigrok {
+class TriggerMatchType;
+}
+
+namespace pv {
+
+namespace devices {
+class Device;
+}
+
+namespace data {
+class Logic;
+}
+
+namespace views {
+namespace trace {
+
+class LogicSignal : public Signal
+{
+	Q_OBJECT
+
+public:
+	static const float Oversampling;
+
+	static const QColor EdgeColour;
+	static const QColor HighColour;
+	static const QColor LowColour;
+	static const QColor SamplingPointColour;
+
+	static const QColor SignalColours[10];
+
+	static QColor TriggerMarkerBackgroundColour;
+	static const int TriggerMarkerPadding;
+	static const char* TriggerMarkerIcons[8];
+
+	LogicSignal(pv::Session &session,
+		shared_ptr<devices::Device> device,
+		shared_ptr<data::SignalBase> base);
+
+	virtual ~LogicSignal() = default;
+
+	shared_ptr<pv::data::SignalData> data() const;
+
+	shared_ptr<pv::data::Logic> logic_data() const;
+
+	/**
+	 * Computes the vertical extents of the contents of this row item.
+	 * @return A pair containing the minimum and maximum y-values.
+	 */
+	pair<int, int> v_extents() const;
+
+	/**
+	 * Returns the offset to show the drag handle.
+	 */
+	int scale_handle_offset() const;
+
+	/**
+	 * Handles the scale handle being dragged to an offset.
+	 * @param offset the offset the scale handle was dragged to.
+	 */
+	void scale_handle_dragged(int offset);
+
+	/**
+	 * Paints the mid-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_mid(QPainter &p, ViewItemPaintParams &pp);
+
+	/**
+	 * Paints the foreground 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_fore(QPainter &p, ViewItemPaintParams &pp);
+
+private:
+	void paint_caps(QPainter &p, QLineF *const lines,
+		vector< pair<int64_t, bool> > &edges,
+		bool level, double samples_per_pixel, double pixels_offset,
+		float x_offset, float y_offset);
+
+	void init_trigger_actions(QWidget *parent);
+
+	const vector<int32_t> get_trigger_types() const;
+	QAction* action_from_trigger_type(const sigrok::TriggerMatchType *type);
+	const sigrok::TriggerMatchType* trigger_type_from_action(
+		QAction *action);
+	void populate_popup_form(QWidget *parent, QFormLayout *form);
+	void modify_trigger();
+
+	static const QIcon* get_icon(const char *path);
+	static const QPixmap* get_pixmap(const char *path);
+
+private Q_SLOTS:
+	void on_trigger();
+
+private:
+	int signal_height_;
+
+	shared_ptr<pv::devices::Device> device_;
+
+	const sigrok::TriggerMatchType *trigger_match_;
+	QToolBar *trigger_bar_;
+	QAction *trigger_none_;
+	QAction *trigger_rising_;
+	QAction *trigger_high_;
+	QAction *trigger_falling_;
+	QAction *trigger_low_;
+	QAction *trigger_change_;
+
+	static QCache<QString, const QIcon> icon_cache_;
+	static QCache<QString, const QPixmap> pixmap_cache_;
+};
+
+} // namespace trace
+} // namespace views
+} // namespace pv
+
+#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_LOGICSIGNAL_HPP