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cabce982 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_CURSOR_H | |
22 | #define PULSEVIEW_PV_VIEW_CURSOR_H | |
23 | ||
24 | #include "timemarker.h" | |
25 | ||
34c1ef02 JH |
26 | #include <QSizeF> |
27 | ||
28 | class QPainter; | |
29 | ||
cabce982 JH |
30 | namespace pv { |
31 | namespace view { | |
32 | ||
33 | class Cursor : public TimeMarker | |
34 | { | |
3efda736 JH |
35 | Q_OBJECT |
36 | ||
5139748b | 37 | public: |
cabce982 JH |
38 | static const QColor LineColour; |
39 | static const QColor FillColour; | |
40 | static const QColor HighlightColour; | |
34c1ef02 | 41 | static const QColor TextColour; |
cabce982 | 42 | |
cabce982 JH |
43 | static const int Offset; |
44 | ||
34c1ef02 JH |
45 | static const int ArrowSize; |
46 | ||
cabce982 JH |
47 | public: |
48 | /** | |
49 | * Constructor. | |
b42d25c4 | 50 | * @param view A reference to the view that owns this cursor pair. |
cabce982 | 51 | * @param time The time to set the flag to. |
96d3ad83 | 52 | * @param other A reference to the other cursor. |
cabce982 | 53 | */ |
96d3ad83 | 54 | Cursor(const View &view, double time, Cursor &other); |
cabce982 JH |
55 | |
56 | public: | |
ca4ec3ea JH |
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 | ||
cabce982 JH |
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. | |
3a6fe081 | 68 | * @param prefix The index of the SI prefix to use. |
cabce982 | 69 | */ |
3a6fe081 JH |
70 | void paint_label(QPainter &p, const QRect &rect, |
71 | unsigned int prefix); | |
34c1ef02 JH |
72 | |
73 | private: | |
3a6fe081 | 74 | void compute_text_size(QPainter &p, unsigned int prefix); |
34c1ef02 JH |
75 | |
76 | private: | |
96d3ad83 JH |
77 | const Cursor &_other; |
78 | ||
34c1ef02 | 79 | QSizeF _text_size; |
cabce982 JH |
80 | }; |
81 | ||
82 | } // namespace view | |
83 | } // namespace pv | |
84 | ||
8782a1fd | 85 | #endif // PULSEVIEW_PV_VIEW_CURSOR_H |