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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 | using std::enable_shared_from_this; | |
30 | using std::pair; | |
31 | ||
32 | namespace pv { | |
33 | namespace views { | |
34 | namespace trace { | |
35 | ||
36 | class TraceTreeItemOwner; | |
37 | ||
38 | class TraceTreeItem : public RowItem, | |
39 | public enable_shared_from_this<TraceTreeItem> | |
40 | { | |
41 | Q_OBJECT | |
42 | Q_PROPERTY(int visual_v_offset | |
43 | READ visual_v_offset | |
44 | WRITE set_visual_v_offset) | |
45 | ||
46 | public: | |
47 | /** | |
48 | * Constructor. | |
49 | */ | |
50 | TraceTreeItem(); | |
51 | ||
52 | /** | |
53 | * Gets the owner of this item in the view item hierachy. | |
54 | */ | |
55 | TraceTreeItemOwner* owner() const; | |
56 | ||
57 | /** | |
58 | * Selects or deselects the signal. | |
59 | */ | |
60 | void select(bool select = true); | |
61 | ||
62 | /** | |
63 | * Gets the vertical layout offset of this signal. | |
64 | */ | |
65 | int layout_v_offset() const; | |
66 | ||
67 | /** | |
68 | * Sets the vertical layout offset of this signal. | |
69 | */ | |
70 | void set_layout_v_offset(int v_offset); | |
71 | ||
72 | /** | |
73 | * Gets the vertical visual offset of this signal. | |
74 | */ | |
75 | int visual_v_offset() const; | |
76 | ||
77 | /** | |
78 | * Sets the vertical visual offset of this signal. | |
79 | */ | |
80 | void set_visual_v_offset(int v_offset); | |
81 | ||
82 | /** | |
83 | * Sets the visual and layout offset of this signal. | |
84 | */ | |
85 | void force_to_v_offset(int v_offset); | |
86 | ||
87 | /** | |
88 | * Begins an animation that will animate the visual offset toward | |
89 | * the layout offset. | |
90 | */ | |
91 | void animate_to_layout_v_offset(); | |
92 | ||
93 | /** | |
94 | * Sets the owner this trace in the view trace hierachy. | |
95 | * @param The new owner of the trace. | |
96 | */ | |
97 | void set_owner(TraceTreeItemOwner *owner); | |
98 | ||
99 | /** | |
100 | * Gets the visual y-offset of the axis. | |
101 | */ | |
102 | int get_visual_y() const; | |
103 | ||
104 | /** | |
105 | * Drags the item to a delta relative to the drag point. | |
106 | * @param delta the offset from the drag point. | |
107 | */ | |
108 | void drag_by(const QPoint &delta); | |
109 | ||
110 | /** | |
111 | * Gets the arrow-tip point of the row item marker. | |
112 | * @param rect the rectangle of the header area. | |
113 | */ | |
114 | QPoint drag_point(const QRect &rect) const; | |
115 | ||
116 | /** | |
117 | * Computes the vertical extents of the contents of this row item. | |
118 | * @return A pair containing the minimum and maximum y-values. | |
119 | */ | |
120 | virtual pair<int, int> v_extents() const = 0; | |
121 | ||
122 | protected: | |
123 | TraceTreeItemOwner *owner_; | |
124 | ||
125 | int layout_v_offset_; | |
126 | int visual_v_offset_; | |
127 | ||
128 | private: | |
129 | QPropertyAnimation v_offset_animation_; | |
130 | }; | |
131 | ||
132 | } // namespace trace | |
133 | } // namespace views | |
134 | } // namespace pv | |
135 | ||
136 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEM_HPP |