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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_CURSOR_H | |
22 | #define PULSEVIEW_PV_VIEW_CURSOR_H | |
23 | ||
24 | #include "timemarker.h" | |
25 | ||
26 | #include <QSizeF> | |
27 | ||
28 | class QPainter; | |
29 | ||
30 | namespace pv { | |
31 | namespace view { | |
32 | ||
33 | class Cursor : public TimeMarker | |
34 | { | |
35 | Q_OBJECT | |
36 | ||
37 | private: | |
38 | static const QColor LineColour; | |
39 | static const QColor FillColour; | |
40 | static const QColor HighlightColour; | |
41 | static const QColor TextColour; | |
42 | ||
43 | static const int Size; | |
44 | static const int Offset; | |
45 | ||
46 | static const int ArrowSize; | |
47 | ||
48 | public: | |
49 | /** | |
50 | * Constructor. | |
51 | * @param colour A reference to the colour of this cursor. | |
52 | * @param time The time to set the flag to. | |
53 | */ | |
54 | Cursor(const View &view, double time); | |
55 | ||
56 | public: | |
57 | /** | |
58 | * Gets the marker label rectangle. | |
59 | * @param rect The rectangle of the ruler client area. | |
60 | * @return Returns the label rectangle. | |
61 | */ | |
62 | QRectF get_label_rect(const QRect &rect) const; | |
63 | ||
64 | /** | |
65 | * Paints the cursor's label to the ruler. | |
66 | * @param p The painter to draw with. | |
67 | * @param rect The rectangle of the ruler client area. | |
68 | */ | |
69 | void paint_label(QPainter &p, const QRect &rect); | |
70 | ||
71 | private: | |
72 | void compute_text_size(QPainter &p); | |
73 | ||
74 | void format_text(char *text); | |
75 | ||
76 | private: | |
77 | QSizeF _text_size; | |
78 | }; | |
79 | ||
80 | } // namespace view | |
81 | } // namespace pv | |
82 | ||
83 | #endif // PULSEVIEW_PV_VIEW_CURSOR_H |