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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 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 | ||
21 | #ifndef PULSEVIEW_PV_VIEW_HEADER_HPP | |
22 | #define PULSEVIEW_PV_VIEW_HEADER_HPP | |
23 | ||
24 | #include <list> | |
25 | #include <memory> | |
26 | #include <utility> | |
27 | ||
28 | #include "marginwidget.hpp" | |
29 | ||
30 | namespace pv { | |
31 | namespace view { | |
32 | ||
33 | class TraceTreeItem; | |
34 | class View; | |
35 | class ViewItem; | |
36 | ||
37 | class Header : public MarginWidget | |
38 | { | |
39 | Q_OBJECT | |
40 | ||
41 | private: | |
42 | static const int Padding; | |
43 | ||
44 | public: | |
45 | Header(View &parent); | |
46 | ||
47 | QSize sizeHint() const; | |
48 | ||
49 | /** | |
50 | * The extended area that the header widget would like to be sized to. | |
51 | * @remarks This area is the area specified by sizeHint, extended by | |
52 | * the area to overlap the viewport. | |
53 | */ | |
54 | QSize extended_size_hint() const; | |
55 | ||
56 | /** | |
57 | * The horizontal offset, relative to the left edge of the widget, | |
58 | * where the arrows of the trace labels end. | |
59 | */ | |
60 | static const int BaselineOffset; | |
61 | ||
62 | private: | |
63 | /** | |
64 | * Gets the row items. | |
65 | */ | |
66 | std::vector< std::shared_ptr<pv::view::ViewItem> > items(); | |
67 | ||
68 | /** | |
69 | * Gets the first view item which has a label that contains @c pt . | |
70 | * @param pt the point to search with. | |
71 | * @return the view item that has been found, or and empty | |
72 | * @c shared_ptr if no item was found. | |
73 | */ | |
74 | std::shared_ptr<pv::view::ViewItem> get_mouse_over_item( | |
75 | const QPoint &pt); | |
76 | ||
77 | private: | |
78 | void paintEvent(QPaintEvent *event); | |
79 | ||
80 | private: | |
81 | void contextMenuEvent(QContextMenuEvent *event); | |
82 | ||
83 | void keyPressEvent(QKeyEvent *event); | |
84 | ||
85 | private Q_SLOTS: | |
86 | void on_group(); | |
87 | ||
88 | void on_ungroup(); | |
89 | }; | |
90 | ||
91 | } // namespace view | |
92 | } // namespace pv | |
93 | ||
94 | #endif // PULSEVIEW_PV_VIEW_HEADER_HPP |