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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2014 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_TRACETREEITEMOWNER_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEMOWNER_HPP | |
22 | ||
23 | #include "viewitemowner.hpp" | |
24 | #include "tracetreeitem.hpp" | |
25 | ||
26 | using std::pair; | |
27 | using std::shared_ptr; | |
28 | using std::vector; | |
29 | ||
30 | namespace pv { | |
31 | ||
32 | class Session; | |
33 | ||
34 | namespace views { | |
35 | namespace TraceView { | |
36 | ||
37 | class TraceTreeItem; | |
38 | class View; | |
39 | ||
40 | class TraceTreeItemOwner : public ViewItemOwner | |
41 | { | |
42 | public: | |
43 | /** | |
44 | * Returns the view of the owner. | |
45 | */ | |
46 | virtual View* view() = 0; | |
47 | ||
48 | /** | |
49 | * Returns the view of the owner. | |
50 | */ | |
51 | virtual const View* view() const = 0; | |
52 | ||
53 | virtual int owner_visual_v_offset() const = 0; | |
54 | ||
55 | /** | |
56 | * Returns the session of the owner. | |
57 | */ | |
58 | virtual Session& session() = 0; | |
59 | ||
60 | /** | |
61 | * Returns the session of the owner. | |
62 | */ | |
63 | virtual const Session& session() const = 0; | |
64 | ||
65 | /** | |
66 | * Returns the number of nested parents that this row item owner has. | |
67 | */ | |
68 | virtual unsigned int depth() const = 0; | |
69 | ||
70 | /** | |
71 | * Returns a list of row items owned by this object. | |
72 | */ | |
73 | virtual const item_list& child_items() const; | |
74 | ||
75 | /** | |
76 | * Returns a list of row items owned by this object. | |
77 | */ | |
78 | vector< shared_ptr<TraceTreeItem> > trace_tree_child_items() const; | |
79 | ||
80 | /** | |
81 | * Clears the list of child items. | |
82 | */ | |
83 | void clear_child_items(); | |
84 | ||
85 | /** | |
86 | * Adds a child item to this object. | |
87 | */ | |
88 | void add_child_item(shared_ptr<TraceTreeItem> item); | |
89 | ||
90 | /** | |
91 | * Removes a child item from this object. | |
92 | */ | |
93 | void remove_child_item(shared_ptr<TraceTreeItem> item); | |
94 | ||
95 | virtual void restack_items(); | |
96 | ||
97 | /** | |
98 | * Computes the vertical extents of the contents of this row item owner. | |
99 | * @return A pair containing the minimum and maximum y-values. | |
100 | */ | |
101 | pair<int, int> v_extents() const; | |
102 | ||
103 | /* | |
104 | * Reassigns background color states to all its children, thereby | |
105 | * providing them with alternating backgrounds. | |
106 | * @param next_bgcolour_state First brightness state to use. | |
107 | * @return The next brightness state to use. | |
108 | */ | |
109 | bool reassign_bgcolour_states(bool next_bgcolour_state); | |
110 | ||
111 | public: | |
112 | virtual void row_item_appearance_changed(bool label, bool content) = 0; | |
113 | ||
114 | virtual void extents_changed(bool horz, bool vert) = 0; | |
115 | }; | |
116 | ||
117 | } // namespace TraceView | |
118 | } // namespace views | |
119 | } // namespace pv | |
120 | ||
121 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEMOWNER_HPP |