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1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
21 | #ifndef PULSEVIEW_PV_VIEW_HEADERITEM_H | |
22 | #define PULSEVIEW_PV_VIEW_HEADERITEM_H | |
23 | ||
dc747705 JH |
24 | #include <memory> |
25 | ||
23935421 JH |
26 | #include "selectableitem.h" |
27 | ||
28 | namespace pv { | |
29 | namespace view { | |
30 | ||
eae6e30a | 31 | class RowItemOwner; |
23935421 | 32 | |
dc747705 JH |
33 | class RowItem : public SelectableItem, |
34 | public std::enable_shared_from_this<pv::view::RowItem> | |
23935421 | 35 | { |
6dcdb325 JH |
36 | Q_OBJECT |
37 | ||
23935421 JH |
38 | public: |
39 | /** | |
40 | * Constructor. | |
41 | */ | |
42 | RowItem(); | |
43 | ||
44 | /** | |
45 | * Returns true if the item is visible and enabled. | |
46 | */ | |
47 | virtual bool enabled() const = 0; | |
48 | ||
49 | /** | |
50 | * Gets the vertical layout offset of this signal. | |
51 | */ | |
be9e7b4b | 52 | int layout_v_offset() const; |
23935421 JH |
53 | |
54 | /** | |
55 | * Sets the vertical layout offset of this signal. | |
56 | */ | |
be9e7b4b JH |
57 | void set_layout_v_offset(int v_offset); |
58 | ||
59 | /** | |
60 | * Gets the vertical visual offset of this signal. | |
61 | */ | |
62 | int visual_v_offset() const; | |
63 | ||
64 | /** | |
65 | * Sets the vertical visual offset of this signal. | |
66 | */ | |
67 | void set_visual_v_offset(int v_offset); | |
68 | ||
69 | /** | |
70 | * Sets the visual and layout offset of this signal. | |
71 | */ | |
72 | void force_to_v_offset(int v_offset); | |
23935421 | 73 | |
bd9a1f17 JH |
74 | /** |
75 | * Gets the owner this trace in the view trace hierachy. | |
76 | */ | |
77 | pv::view::RowItemOwner* owner() const; | |
78 | ||
23935421 | 79 | /** |
eae6e30a | 80 | * Sets the owner this trace in the view trace hierachy. |
23935421 JH |
81 | * @param The new owner of the trace. |
82 | */ | |
eae6e30a | 83 | void set_owner(pv::view::RowItemOwner *owner); |
23935421 JH |
84 | |
85 | /** | |
be9e7b4b | 86 | * Gets the visual y-offset of the axis. |
23935421 | 87 | */ |
be9e7b4b | 88 | int get_visual_y() const; |
23935421 | 89 | |
0dda6fe5 JH |
90 | /** |
91 | * Gets the drag point of the row item. | |
92 | */ | |
93 | QPoint point() const; | |
94 | ||
a5d93c27 JH |
95 | /** |
96 | * Computes the vertical extents of the contents of this row item. | |
97 | * @return A pair containing the minimum and maximum y-values. | |
98 | */ | |
99 | virtual std::pair<int, int> v_extents() const = 0; | |
100 | ||
23935421 JH |
101 | /** |
102 | * Paints the background layer of the trace with a QPainter | |
103 | * @param p the QPainter to paint into. | |
104 | * @param left the x-coordinate of the left edge of the signal | |
105 | * @param right the x-coordinate of the right edge of the signal | |
106 | **/ | |
107 | virtual void paint_back(QPainter &p, int left, int right); | |
108 | ||
109 | /** | |
110 | * Paints the mid-layer of the trace with a QPainter | |
111 | * @param p the QPainter to paint into. | |
112 | * @param left the x-coordinate of the left edge of the signal | |
113 | * @param right the x-coordinate of the right edge of the signal | |
114 | **/ | |
115 | virtual void paint_mid(QPainter &p, int left, int right); | |
116 | ||
117 | /** | |
118 | * Paints the foreground layer of the trace with a QPainter | |
119 | * @param p the QPainter to paint into. | |
120 | * @param left the x-coordinate of the left edge of the signal | |
121 | * @param right the x-coordinate of the right edge of the signal | |
122 | **/ | |
123 | virtual void paint_fore(QPainter &p, int left, int right); | |
124 | ||
125 | /** | |
126 | * Paints the signal label. | |
127 | * @param p the QPainter to paint into. | |
128 | * @param right the x-coordinate of the right edge of the header | |
129 | * area. | |
130 | * @param hover true if the label is being hovered over by the mouse. | |
131 | */ | |
132 | virtual void paint_label(QPainter &p, int right, bool hover) = 0; | |
133 | ||
134 | /** | |
135 | * Computes the outline rectangle of a label. | |
136 | * @param right the x-coordinate of the right edge of the header | |
137 | * area. | |
138 | * @return Returns the rectangle of the signal label. | |
139 | */ | |
0067d804 | 140 | virtual QRectF label_rect(int right) const = 0; |
23935421 JH |
141 | |
142 | public: | |
143 | virtual void hover_point_changed(); | |
144 | ||
6dcdb325 JH |
145 | Q_SIGNALS: |
146 | void appearance_changed(); | |
147 | ||
23935421 | 148 | protected: |
eae6e30a | 149 | pv::view::RowItemOwner *_owner; |
23935421 | 150 | |
be9e7b4b JH |
151 | int _layout_v_offset; |
152 | int _visual_v_offset; | |
23935421 JH |
153 | }; |
154 | ||
155 | } // namespace view | |
156 | } // namespace pv | |
157 | ||
158 | #endif // PULSEVIEW_PV_VIEW_HEADERITEM_H |