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, see <http://www.gnu.org/licenses/>.
20 #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEMOWNER_HPP
21 #define PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEMOWNER_HPP
23 #include "viewitemowner.hpp"
24 #include "tracetreeitem.hpp"
36 class TraceTreeItemOwner : public ViewItemOwner
40 * Returns the view of the owner.
42 virtual View* view() = 0;
45 * Returns the view of the owner.
47 virtual const View* view() const = 0;
49 virtual int owner_visual_v_offset() const = 0;
52 * Returns the session of the owner.
54 virtual Session& session() = 0;
57 * Returns the session of the owner.
59 virtual const Session& session() const = 0;
62 * Returns the number of nested parents that this row item owner has.
64 virtual unsigned int depth() const = 0;
67 * Returns a list of row items owned by this object.
69 virtual const item_list& child_items() const;
72 * Returns a list of row items owned by this object.
74 std::vector< std::shared_ptr<TraceTreeItem> >
75 trace_tree_child_items() const;
78 * Clears the list of child items.
80 void clear_child_items();
83 * Adds a child item to this object.
85 void add_child_item(std::shared_ptr<TraceTreeItem> item);
88 * Removes a child item from this object.
90 void remove_child_item(std::shared_ptr<TraceTreeItem> item);
92 virtual void restack_items();
95 * Computes the vertical extents of the contents of this row item owner.
96 * @return A pair containing the minimum and maximum y-values.
98 std::pair<int, int> v_extents() const;
101 * Reassigns background color states to all its children, thereby
102 * providing them with alternating backgrounds.
103 * @param next_bgcolour_state First brightness state to use.
104 * @return The next brightness state to use.
106 bool reassign_bgcolour_states(bool next_bgcolour_state);
109 virtual void row_item_appearance_changed(bool label, bool content) = 0;
111 virtual void extents_changed(bool horz, bool vert) = 0;
114 } // namespace TraceView
118 #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEMOWNER_HPP