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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEM_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEM_HPP | |
22 | ||
23 | #include <memory> | |
24 | ||
25 | #include <QPropertyAnimation> | |
26 | ||
27 | #include "rowitem.hpp" | |
28 | ||
29 | namespace pv { | |
30 | namespace views { | |
31 | namespace TraceView { | |
32 | ||
33 | class TraceTreeItemOwner; | |
34 | ||
35 | class TraceTreeItem : public RowItem, | |
36 | public std::enable_shared_from_this<TraceTreeItem> | |
37 | { | |
38 | Q_OBJECT | |
39 | Q_PROPERTY(int visual_v_offset | |
40 | READ visual_v_offset | |
41 | WRITE set_visual_v_offset) | |
42 | ||
43 | public: | |
44 | /** | |
45 | * Constructor. | |
46 | */ | |
47 | TraceTreeItem(); | |
48 | ||
49 | /** | |
50 | * Gets the owner of this item in the view item hierachy. | |
51 | */ | |
52 | TraceTreeItemOwner* owner() const; | |
53 | ||
54 | /** | |
55 | * Selects or deselects the signal. | |
56 | */ | |
57 | void select(bool select = true); | |
58 | ||
59 | /** | |
60 | * Gets the vertical layout offset of this signal. | |
61 | */ | |
62 | int layout_v_offset() const; | |
63 | ||
64 | /** | |
65 | * Sets the vertical layout offset of this signal. | |
66 | */ | |
67 | void set_layout_v_offset(int v_offset); | |
68 | ||
69 | /** | |
70 | * Gets the vertical visual offset of this signal. | |
71 | */ | |
72 | int visual_v_offset() const; | |
73 | ||
74 | /** | |
75 | * Sets the vertical visual offset of this signal. | |
76 | */ | |
77 | void set_visual_v_offset(int v_offset); | |
78 | ||
79 | /** | |
80 | * Sets the visual and layout offset of this signal. | |
81 | */ | |
82 | void force_to_v_offset(int v_offset); | |
83 | ||
84 | /** | |
85 | * Begins an animation that will animate the visual offset toward | |
86 | * the layout offset. | |
87 | */ | |
88 | void animate_to_layout_v_offset(); | |
89 | ||
90 | /** | |
91 | * Sets the owner this trace in the view trace hierachy. | |
92 | * @param The new owner of the trace. | |
93 | */ | |
94 | void set_owner(TraceTreeItemOwner *owner); | |
95 | ||
96 | /** | |
97 | * Gets the visual y-offset of the axis. | |
98 | */ | |
99 | int get_visual_y() const; | |
100 | ||
101 | /** | |
102 | * Drags the item to a delta relative to the drag point. | |
103 | * @param delta the offset from the drag point. | |
104 | */ | |
105 | void drag_by(const QPoint &delta); | |
106 | ||
107 | /** | |
108 | * Gets the arrow-tip point of the row item marker. | |
109 | * @param rect the rectangle of the header area. | |
110 | */ | |
111 | QPoint point(const QRect &rect) const; | |
112 | ||
113 | /** | |
114 | * Sets the new background colour state: false = dark, true = bright. | |
115 | * This is to allow for alternating backgrounds but has no effect | |
116 | * when coloured background colours are used. | |
117 | * @param state New bg color state to use. | |
118 | */ | |
119 | void set_bgcolour_state(bool state); | |
120 | ||
121 | /** | |
122 | * Computes the vertical extents of the contents of this row item. | |
123 | * @return A pair containing the minimum and maximum y-values. | |
124 | */ | |
125 | virtual std::pair<int, int> v_extents() const = 0; | |
126 | ||
127 | protected: | |
128 | TraceTreeItemOwner *owner_; | |
129 | ||
130 | int layout_v_offset_; | |
131 | int visual_v_offset_; | |
132 | ||
133 | bool bgcolour_state_; | |
134 | ||
135 | private: | |
136 | QPropertyAnimation v_offset_animation_; | |
137 | }; | |
138 | ||
139 | } // namespace TraceView | |
140 | } // namespace views | |
141 | } // namespace pv | |
142 | ||
143 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEM_HPP |