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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_CURSORHEADER_H | |
22 | #define PULSEVIEW_PV_VIEW_CURSORHEADER_H | |
23 | ||
24 | #include <memory> | |
25 | ||
2acdb232 | 26 | #include "marginwidget.hpp" |
84a0d458 JS |
27 | |
28 | namespace pv { | |
29 | namespace view { | |
30 | ||
e95fb8e9 | 31 | class TimeItem; |
84a0d458 JS |
32 | |
33 | /** | |
34 | * Widget to hold the labels over the cursors. | |
35 | */ | |
36 | class CursorHeader : public MarginWidget | |
37 | { | |
38 | Q_OBJECT | |
39 | ||
4707a23d JS |
40 | static const int Padding; |
41 | ||
4d95ef60 JS |
42 | /** |
43 | * The vertical offset, relative to the bottom line of the widget, | |
44 | * where the arrows of the cursor labels end. | |
45 | */ | |
46 | static const int BaselineOffset; | |
47 | ||
84a0d458 JS |
48 | public: |
49 | CursorHeader(View &parent); | |
50 | ||
51 | QSize sizeHint() const; | |
52 | ||
53 | void clear_selection(); | |
54 | ||
55 | private: | |
56 | void paintEvent(QPaintEvent *event); | |
57 | ||
58 | void mouseMoveEvent(QMouseEvent *e); | |
59 | void mousePressEvent(QMouseEvent *e); | |
60 | void mouseReleaseEvent(QMouseEvent *); | |
f4433aa9 | 61 | void leaveEvent(QEvent*); |
84a0d458 | 62 | |
8914fe79 JH |
63 | void mouseDoubleClickEvent(QMouseEvent *e); |
64 | ||
4707a23d | 65 | int calculateTextHeight(); |
84a0d458 | 66 | |
e95fb8e9 | 67 | std::shared_ptr<TimeItem> mouse_down_item_; |
8dbbc7f0 | 68 | const int textHeight_; |
84a0d458 JS |
69 | }; |
70 | ||
71 | } // namespace view | |
72 | } // namespace pv | |
73 | ||
74 | #endif // PULSEVIEW_PV_VIEW_CURSORHEADER_H |