2 * This file is part of the PulseView project.
4 * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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
23 #include "tracetreeitem.hpp"
24 #include "tracetreeitemowner.hpp"
27 using std::dynamic_pointer_cast;
33 using std::shared_ptr;
34 using std::static_pointer_cast;
41 const ViewItemOwner::item_list& TraceTreeItemOwner::child_items() const
46 vector< std::shared_ptr<TraceTreeItem> >
47 TraceTreeItemOwner::trace_tree_child_items() const
49 vector< shared_ptr<TraceTreeItem> > items;
50 for (auto &i : items_) {
51 assert(dynamic_pointer_cast<TraceTreeItem>(i));
52 const shared_ptr<TraceTreeItem> t(
53 static_pointer_cast<TraceTreeItem>(i));
60 void TraceTreeItemOwner::clear_child_items()
62 for (auto &t : trace_tree_child_items()) {
63 assert(t->owner() == this);
64 t->set_owner(nullptr);
69 void TraceTreeItemOwner::add_child_item(std::shared_ptr<TraceTreeItem> item)
71 assert(!item->owner());
72 item->set_owner(this);
73 items_.push_back(item);
75 extents_changed(true, true);
78 void TraceTreeItemOwner::remove_child_item(std::shared_ptr<TraceTreeItem> item)
80 assert(item->owner() == this);
81 item->set_owner(nullptr);
82 auto iter = std::find(items_.begin(), items_.end(), item);
83 assert(iter != items_.end());
86 extents_changed(true, true);
89 pair<int, int> TraceTreeItemOwner::v_extents() const
91 bool has_children = false;
93 pair<int, int> extents(INT_MAX, INT_MIN);
94 for (const shared_ptr<TraceTreeItem> t : trace_tree_child_items()) {
101 const int child_offset = t->layout_v_offset();
102 const pair<int, int> child_extents = t->v_extents();
103 extents.first = min(child_extents.first + child_offset,
105 extents.second = max(child_extents.second + child_offset,
110 extents = make_pair(0, 0);
115 bool TraceTreeItemOwner::reassign_bgcolour_states(bool next_bgcolour_state)
117 vector< shared_ptr<TraceTreeItem> > items = trace_tree_child_items();
119 // Sort items according to vertical position
120 sort(items.begin(), items.end(),
121 [](const shared_ptr<TraceTreeItem> a, const shared_ptr<TraceTreeItem> b) {
122 return a->layout_v_offset() > b->layout_v_offset(); });
124 for (const shared_ptr<TraceTreeItem> item : items) {
125 item->set_bgcolour_state(next_bgcolour_state);
126 next_bgcolour_state = !next_bgcolour_state;
129 return next_bgcolour_state;
132 void TraceTreeItemOwner::restack_items()
136 } // namespace TraceView