2 * This file is part of the PulseView project.
4 * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef PULSEVIEW_PV_VIEW_HEADERITEM_H
22 #define PULSEVIEW_PV_VIEW_HEADERITEM_H
26 #include <QPropertyAnimation>
28 #include "selectableitem.hpp"
35 class RowItem : public SelectableItem,
36 public std::enable_shared_from_this<pv::view::RowItem>
39 Q_PROPERTY(int visual_v_offset
41 WRITE set_visual_v_offset)
50 * Returns true if the item is visible and enabled.
52 virtual bool enabled() const = 0;
55 * Gets the vertical layout offset of this signal.
57 int layout_v_offset() const;
60 * Sets the vertical layout offset of this signal.
62 void set_layout_v_offset(int v_offset);
65 * Gets the vertical visual offset of this signal.
67 int visual_v_offset() const;
70 * Sets the vertical visual offset of this signal.
72 void set_visual_v_offset(int v_offset);
75 * Sets the visual and layout offset of this signal.
77 void force_to_v_offset(int v_offset);
80 * Begins an animation that will animate the visual offset toward
83 void animate_to_layout_v_offset();
86 * Gets the owner this trace in the view trace hierachy.
88 pv::view::RowItemOwner* owner() const;
91 * Sets the owner this trace in the view trace hierachy.
92 * @param The new owner of the trace.
94 void set_owner(pv::view::RowItemOwner *owner);
97 * Gets the visual y-offset of the axis.
99 int get_visual_y() const;
102 * Gets the drag point of the row item.
104 QPoint point() const;
107 * Computes the vertical extents of the contents of this row item.
108 * @return A pair containing the minimum and maximum y-values.
110 virtual std::pair<int, int> v_extents() const = 0;
113 * Paints the background layer of the trace with a QPainter
114 * @param p the QPainter to paint into.
115 * @param left the x-coordinate of the left edge of the signal
116 * @param right the x-coordinate of the right edge of the signal
118 virtual void paint_back(QPainter &p, int left, int right);
121 * Paints the mid-layer of the trace with a QPainter
122 * @param p the QPainter to paint into.
123 * @param left the x-coordinate of the left edge of the signal
124 * @param right the x-coordinate of the right edge of the signal
126 virtual void paint_mid(QPainter &p, int left, int right);
129 * Paints the foreground layer of the trace with a QPainter
130 * @param p the QPainter to paint into.
131 * @param left the x-coordinate of the left edge of the signal
132 * @param right the x-coordinate of the right edge of the signal
134 virtual void paint_fore(QPainter &p, int left, int right);
137 * Paints the signal label.
138 * @param p the QPainter to paint into.
139 * @param right the x-coordinate of the right edge of the header
141 * @param hover true if the label is being hovered over by the mouse.
143 virtual void paint_label(QPainter &p, int right, bool hover) = 0;
146 * Computes the outline rectangle of a label.
147 * @param right the x-coordinate of the right edge of the header
149 * @return Returns the rectangle of the signal label.
151 virtual QRectF label_rect(int right) const = 0;
154 virtual void hover_point_changed();
157 pv::view::RowItemOwner *owner_;
159 int layout_v_offset_;
160 int visual_v_offset_;
163 QPropertyAnimation v_offset_animation_;
169 #endif // PULSEVIEW_PV_VIEW_HEADERITEM_H