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18f7104f JH |
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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
68b21a71 JH |
21 | #include <cassert> |
22 | ||
23 | #include "rowitem.h" | |
18f7104f | 24 | #include "rowitemowner.h" |
68b21a71 | 25 | |
a5d93c27 JH |
26 | using std::max; |
27 | using std::make_pair; | |
28 | using std::min; | |
29 | using std::pair; | |
68b21a71 JH |
30 | using std::shared_ptr; |
31 | using std::vector; | |
32 | ||
33 | namespace pv { | |
34 | namespace view { | |
35 | ||
6b715302 JH |
36 | vector< shared_ptr<RowItem> >& RowItemOwner::child_items() |
37 | { | |
38 | return _items; | |
39 | } | |
40 | ||
68b21a71 JH |
41 | const vector< shared_ptr<RowItem> >& RowItemOwner::child_items() const |
42 | { | |
43 | return _items; | |
44 | } | |
45 | ||
46 | void RowItemOwner::clear_child_items() | |
47 | { | |
48 | for (auto &i : _items) { | |
49 | assert(i->owner() == this); | |
50 | i->set_owner(nullptr); | |
51 | } | |
52 | _items.clear(); | |
53 | } | |
54 | ||
55 | void RowItemOwner::add_child_item(std::shared_ptr<RowItem> item) | |
56 | { | |
57 | assert(!item->owner()); | |
58 | item->set_owner(this); | |
59 | _items.push_back(item); | |
60 | } | |
61 | ||
62 | void RowItemOwner::remove_child_item(std::shared_ptr<RowItem> item) | |
63 | { | |
64 | assert(item->owner() == this); | |
65 | item->set_owner(nullptr); | |
66 | auto iter = std::find(_items.begin(), _items.end(), item); | |
67 | assert(iter != _items.end()); | |
68 | _items.erase(iter); | |
69 | } | |
70 | ||
6b715302 JH |
71 | RowItemOwner::iterator RowItemOwner::begin() |
72 | { | |
73 | return iterator(this, _items.begin()); | |
74 | } | |
75 | ||
76 | RowItemOwner::iterator RowItemOwner::end() | |
77 | { | |
78 | return iterator(this); | |
79 | } | |
80 | ||
81 | RowItemOwner::const_iterator RowItemOwner::begin() const | |
82 | { | |
83 | return const_iterator(this, _items.cbegin()); | |
84 | } | |
85 | ||
86 | RowItemOwner::const_iterator RowItemOwner::end() const | |
87 | { | |
88 | return const_iterator(this); | |
89 | } | |
90 | ||
a5d93c27 JH |
91 | pair<int, int> RowItemOwner::v_extents() const |
92 | { | |
93 | pair<int, int> extents(0, 0); | |
94 | for (const shared_ptr<RowItem> r : child_items()) { | |
95 | assert(r); | |
96 | if (!r->enabled()) | |
97 | continue; | |
98 | ||
be9e7b4b | 99 | const int child_offset = r->layout_v_offset(); |
a5d93c27 JH |
100 | const pair<int, int> child_extents = r->v_extents(); |
101 | extents.first = min(child_extents.first + child_offset, | |
102 | extents.first); | |
103 | extents.second = max(child_extents.second + child_offset, | |
104 | extents.second); | |
105 | } | |
106 | ||
107 | return extents; | |
108 | } | |
109 | ||
68b21a71 JH |
110 | } // view |
111 | } // pv |