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
21 #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEMOWNER_HPP
22 #define PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEMOWNER_HPP
24 #include "viewitemowner.hpp"
25 #include "tracetreeitem.hpp"
37 class TraceTreeItemOwner : public ViewItemOwner
41 * Returns the view of the owner.
43 virtual View* view() = 0;
46 * Returns the view of the owner.
48 virtual const View* view() const = 0;
50 virtual int owner_visual_v_offset() const = 0;
53 * Returns the session of the owner.
55 virtual Session& session() = 0;
58 * Returns the session of the owner.
60 virtual const Session& session() const = 0;
63 * Returns the number of nested parents that this row item owner has.
65 virtual unsigned int depth() const = 0;
68 * Returns a list of row items owned by this object.
70 virtual const item_list& child_items() const;
73 * Returns a list of row items owned by this object.
75 std::vector< std::shared_ptr<TraceTreeItem> >
76 trace_tree_child_items() const;
79 * Clears the list of child items.
81 void clear_child_items();
84 * Adds a child item to this object.
86 void add_child_item(std::shared_ptr<TraceTreeItem> item);
89 * Removes a child item from this object.
91 void remove_child_item(std::shared_ptr<TraceTreeItem> item);
93 virtual void restack_items();
96 * Computes the vertical extents of the contents of this row item owner.
97 * @return A pair containing the minimum and maximum y-values.
99 std::pair<int, int> v_extents() const;
102 * Reassigns background color states to all its children, thereby
103 * providing them with alternating backgrounds.
104 * @param next_bgcolour_state First brightness state to use.
105 * @return The next brightness state to use.
107 bool reassign_bgcolour_states(bool next_bgcolour_state);
110 virtual void row_item_appearance_changed(bool label, bool content) = 0;
112 virtual void extents_changed(bool horz, bool vert) = 0;
115 } // namespace TraceView
119 #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACETREEITEMOWNER_HPP