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cd6c8ee2 JH |
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_MARKER_H | |
22 | #define PULSEVIEW_PV_VIEW_MARKER_H | |
23 | ||
24 | #include <QColor> | |
3efda736 | 25 | #include <QObject> |
ca4ec3ea | 26 | #include <QRectF> |
cd6c8ee2 | 27 | |
2a2512b2 JH |
28 | #include "selectableitem.h" |
29 | ||
cd6c8ee2 JH |
30 | class QPainter; |
31 | class QRect; | |
32 | ||
33 | namespace pv { | |
34 | namespace view { | |
35 | ||
36 | class View; | |
37 | ||
2a2512b2 | 38 | class TimeMarker : public SelectableItem |
cd6c8ee2 | 39 | { |
3efda736 JH |
40 | Q_OBJECT |
41 | ||
cd6c8ee2 JH |
42 | protected: |
43 | /** | |
44 | * Constructor. | |
45 | * @param view A reference to the view that owns this marker. | |
46 | * @param colour A reference to the colour of this cursor. | |
47 | * @param time The time to set the flag to. | |
48 | */ | |
49 | TimeMarker(const View &view, const QColor &colour, double time); | |
50 | ||
3efda736 JH |
51 | /** |
52 | * Copy constructor | |
53 | */ | |
54 | TimeMarker(const TimeMarker &s); | |
55 | ||
cd6c8ee2 JH |
56 | public: |
57 | /** | |
58 | * Gets the time of the marker. | |
59 | */ | |
60 | double time() const; | |
61 | ||
62 | /** | |
63 | * Sets the time of the marker. | |
64 | */ | |
65 | void set_time(double time); | |
66 | ||
67 | /** | |
68 | * Paints the marker to the viewport. | |
69 | * @param p The painter to draw with. | |
70 | * @param rect The rectangle of the viewport client area. | |
71 | */ | |
72 | virtual void paint(QPainter &p, const QRect &rect); | |
73 | ||
ca4ec3ea JH |
74 | /** |
75 | * Gets the marker label rectangle. | |
76 | * @param rect The rectangle of the ruler client area. | |
77 | * @return Returns the label rectangle. | |
78 | */ | |
79 | virtual QRectF get_label_rect(const QRect &rect) const = 0; | |
80 | ||
cd6c8ee2 JH |
81 | /** |
82 | * Paints the marker's label to the ruler. | |
83 | * @param p The painter to draw with. | |
84 | * @param rect The rectangle of the ruler client area. | |
3a6fe081 | 85 | * @param prefix The SI prefix to paint time value with. |
cd6c8ee2 | 86 | */ |
3a6fe081 JH |
87 | virtual void paint_label(QPainter &p, const QRect &rect, |
88 | unsigned int prefix) = 0; | |
cd6c8ee2 | 89 | |
ca4ec3ea JH |
90 | signals: |
91 | void time_changed(); | |
92 | ||
cd6c8ee2 JH |
93 | protected: |
94 | const View &_view; | |
95 | const QColor &_colour; | |
96 | ||
97 | double _time; | |
34c1ef02 JH |
98 | |
99 | QSizeF _text_size; | |
cd6c8ee2 JH |
100 | }; |
101 | ||
102 | } // namespace view | |
103 | } // namespace pv | |
104 | ||
8782a1fd | 105 | #endif // PULSEVIEW_PV_VIEW_MARKER_H |