X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=sigview.h;fp=sigview.h;h=cc7b78af35fa410a4775907a4d7cb3b996996daa;hp=0000000000000000000000000000000000000000;hb=adb4b10cf99ca7c257b2f749bff90b67286d9992;hpb=1e669074475e36ae5f7e1fbdc9ad5809beaccdf3

diff --git a/sigview.h b/sigview.h
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+/*
+ * This file is part of the sigrok 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 SIGVIEW_H
+#define SIGVIEW_H
+
+#include <stdint.h>
+
+#include <QAbstractScrollArea>
+
+class SigSession;
+class SigViewport;
+
+class SigView : public QAbstractScrollArea {
+	Q_OBJECT
+
+private:
+	static const double MaxScale;
+	static const double MinScale;
+
+	static const int LabelMarginWidth;
+	static const int RulerHeight;
+
+public:
+	explicit SigView(SigSession &session, QWidget *parent = 0);
+
+	double scale() const;
+	double offset() const;
+	int v_offset() const;
+
+	void zoom(double steps);
+
+	void set_scale_offset(double scale, double offset);
+
+private:
+	void update_scroll();
+
+	void zoom(double steps, int offset);
+
+private:
+	bool viewportEvent(QEvent *e);
+
+	void resizeEvent(QResizeEvent *e);
+
+private slots:
+	void h_scroll_value_changed(int value);
+	void v_scroll_value_changed(int value);
+
+	void data_updated();
+
+private:
+	SigSession &_session;
+
+	SigViewport *_viewport;
+
+	uint64_t _data_length;
+
+	double _scale;
+	double _offset;
+
+	int _v_offset;
+
+	friend class SigViewport;
+};
+
+#endif // SIGVIEW_H