Renamed C++ headers to .hpp

[pulseview.git] / pv / view / cursor.hpp

diff --git a/pv/view/cursor.hpp b/pv/view/cursor.hpp
new file mode 100644 (file)
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--- /dev/null
+++ b/pv/view/cursor.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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef PULSEVIEW_PV_VIEW_CURSOR_H
+#define PULSEVIEW_PV_VIEW_CURSOR_H
+
+#include "timemarker.hpp"
+
+#include <memory>
+
+#include <QSizeF>
+
+class QPainter;
+
+namespace pv {
+namespace view {
+
+class Cursor : public TimeMarker
+{
+       Q_OBJECT
+
+public:
+       static const QColor LineColour;
+       static const QColor FillColour;
+       static const QColor HighlightColour;
+       static const QColor TextColour;
+
+       static const int Offset;
+
+       static const int ArrowSize;
+
+public:
+       /**
+        * Constructor.
+        * @param view A reference to the view that owns this cursor pair.
+        * @param time The time to set the flag to.
+        */
+       Cursor(View &view, double time);
+
+public:
+       /**
+        * Gets the marker label rectangle.
+        * @param rect The rectangle of the ruler client area.
+        * @return Returns the label rectangle.
+        */
+       QRectF get_label_rect(const QRect &rect) const;
+
+       /**
+        * Paints the cursor's label to the ruler.
+        * @param p The painter to draw with.
+        * @param rect The rectangle of the ruler client area.
+        * @param prefix The index of the SI prefix to use.
+        */
+       void paint_label(QPainter &p, const QRect &rect,
+               unsigned int prefix);
+
+private:
+       void compute_text_size(QPainter &p, unsigned int prefix);
+
+       std::shared_ptr<Cursor> get_other_cursor() const;
+
+private:
+       QSizeF text_size_;
+};
+
+} // namespace view
+} // namespace pv
+
+#endif // PULSEVIEW_PV_VIEW_CURSOR_H