X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Frowitem.hpp;fp=pv%2Fview%2Frowitem.hpp;h=d6233e8ce58fb3dbe57f024ade9f9bc14a1ec678;hb=2acdb232d6bb452cfdfaea3ef5218fb4da592329;hp=0000000000000000000000000000000000000000;hpb=8dbbc7f0b9ea59d0f0d62225772f8a56eee125f5;p=pulseview.git

diff --git a/pv/view/rowitem.hpp b/pv/view/rowitem.hpp
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+++ b/pv/view/rowitem.hpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 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_HEADERITEM_H
+#define PULSEVIEW_PV_VIEW_HEADERITEM_H
+
+#include <memory>
+
+#include <QPropertyAnimation>
+
+#include "selectableitem.hpp"
+
+namespace pv {
+namespace view {
+
+class RowItemOwner;
+
+class RowItem : public SelectableItem,
+	public std::enable_shared_from_this<pv::view::RowItem>
+{
+	Q_OBJECT
+	Q_PROPERTY(int visual_v_offset
+		READ visual_v_offset
+		WRITE set_visual_v_offset)
+
+public:
+	/**
+	 * Constructor.
+	 */
+	RowItem();
+
+	/**
+	 * Returns true if the item is visible and enabled.
+	 */
+	virtual bool enabled() const = 0;
+
+	/**
+	 * Gets the vertical layout offset of this signal.
+	 */
+	int layout_v_offset() const;
+
+	/**
+	 * Sets the vertical layout offset of this signal.
+	 */
+	void set_layout_v_offset(int v_offset);
+
+	/**
+	 * Gets the vertical visual offset of this signal.
+	 */
+	int visual_v_offset() const;
+
+	/**
+	 * Sets the vertical visual offset of this signal.
+	 */
+	void set_visual_v_offset(int v_offset);
+
+	/**
+	 * Sets the visual and layout offset of this signal.
+	 */
+	void force_to_v_offset(int v_offset);
+
+	/**
+	 * Begins an animation that will animate the visual offset toward
+	 * the layout offset.
+	 */
+	void animate_to_layout_v_offset();
+
+	/**
+	 * Gets the owner this trace in the view trace hierachy.
+	 */
+	pv::view::RowItemOwner* owner() const;
+
+	/**
+	 * Sets the owner this trace in the view trace hierachy.
+	 * @param The new owner of the trace.
+	 */
+	void set_owner(pv::view::RowItemOwner *owner);
+
+	/**
+	 * Gets the visual y-offset of the axis.
+	 */
+	int get_visual_y() const;
+
+	/**
+	 * Gets the drag point of the row item.
+	 */
+	QPoint point() const;
+
+	/**
+	 * Computes the vertical extents of the contents of this row item.
+	 * @return A pair containing the minimum and maximum y-values.
+	 */
+	virtual std::pair<int, int> v_extents() const = 0;
+
+	/**
+	 * Paints the background layer of the trace with a QPainter
+	 * @param p the QPainter to paint into.
+	 * @param left the x-coordinate of the left edge of the signal
+	 * @param right the x-coordinate of the right edge of the signal
+	 **/
+	virtual void paint_back(QPainter &p, int left, int right);
+
+	/**
+	 * Paints the mid-layer of the trace with a QPainter
+	 * @param p the QPainter to paint into.
+	 * @param left the x-coordinate of the left edge of the signal
+	 * @param right the x-coordinate of the right edge of the signal
+	 **/
+	virtual void paint_mid(QPainter &p, int left, int right);
+
+	/**
+	 * Paints the foreground layer of the trace with a QPainter
+	 * @param p the QPainter to paint into.
+	 * @param left the x-coordinate of the left edge of the signal
+	 * @param right the x-coordinate of the right edge of the signal
+	 **/
+	virtual void paint_fore(QPainter &p, int left, int right);
+
+	/**
+	 * Paints the signal label.
+	 * @param p the QPainter to paint into.
+	 * @param right the x-coordinate of the right edge of the header
+	 * 	area.
+	 * @param hover true if the label is being hovered over by the mouse.
+	 */
+	virtual void paint_label(QPainter &p, int right, bool hover) = 0;
+
+	/**
+	 * Computes the outline rectangle of a label.
+	 * @param right the x-coordinate of the right edge of the header
+	 * 	area.
+	 * @return Returns the rectangle of the signal label.
+	 */
+	virtual QRectF label_rect(int right) const = 0;
+
+public:
+	virtual void hover_point_changed();
+
+protected:
+	pv::view::RowItemOwner *owner_;
+
+	int layout_v_offset_;
+	int visual_v_offset_;
+
+private:
+	QPropertyAnimation v_offset_animation_;
+};
+
+} // namespace view
+} // namespace pv
+
+#endif // PULSEVIEW_PV_VIEW_HEADERITEM_H