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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_H | |
22 | #define PULSEVIEW_PV_VIEW_HEADER_H | |
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 RowItem; | |
34 | class View; | |
35 | ||
36 | class Header : public MarginWidget | |
37 | { | |
38 | Q_OBJECT | |
39 | ||
40 | private: | |
41 | static const int Padding; | |
42 | ||
43 | public: | |
44 | Header(View &parent); | |
45 | ||
46 | QSize sizeHint() const; | |
47 | ||
48 | /** | |
49 | * The horizontal offset, relative to the left edge of the widget, | |
50 | * where the arrows of the trace labels end. | |
51 | */ | |
52 | static const int BaselineOffset; | |
53 | ||
54 | private: | |
55 | std::shared_ptr<pv::view::RowItem> get_mouse_over_row_item( | |
56 | const QPoint &pt); | |
57 | ||
58 | void clear_selection(); | |
59 | ||
60 | void show_popup(const std::shared_ptr<RowItem> &item); | |
61 | ||
62 | private: | |
63 | void paintEvent(QPaintEvent *event); | |
64 | ||
65 | private: | |
66 | void mouseLeftPressEvent(QMouseEvent *event); | |
67 | void mousePressEvent(QMouseEvent * event); | |
68 | ||
69 | void mouseLeftReleaseEvent(QMouseEvent *event); | |
70 | void mouseReleaseEvent(QMouseEvent *event); | |
71 | ||
72 | void mouseMoveEvent(QMouseEvent *event); | |
73 | ||
74 | void leaveEvent(QEvent *event); | |
75 | ||
76 | void contextMenuEvent(QContextMenuEvent *event); | |
77 | ||
78 | void keyPressEvent(QKeyEvent *e); | |
79 | ||
80 | private Q_SLOTS: | |
81 | void on_signals_moved(); | |
82 | ||
83 | void on_group(); | |
84 | ||
85 | void on_ungroup(); | |
86 | ||
87 | Q_SIGNALS: | |
88 | void signals_moved(); | |
89 | ||
90 | private: | |
91 | QPoint mouse_point_; | |
92 | QPoint mouse_down_point_; | |
93 | std::shared_ptr<RowItem> mouse_down_item_; | |
94 | bool dragging_; | |
95 | }; | |
96 | ||
97 | } // namespace view | |
98 | } // namespace pv | |
99 | ||
100 | #endif // PULSEVIEW_PV_VIEW_HEADER_H |