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CursorPair: Moved in ViewportFillColour
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ccdd3ef5 1/*
b3f22de0 2 * This file is part of the PulseView project.
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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
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21#ifndef PULSEVIEW_PV_VIEW_RULER_H
22#define PULSEVIEW_PV_VIEW_RULER_H
ccdd3ef5 23
f9abf97e 24#include <memory>
58864c5c 25
2acdb232 26#include "marginwidget.hpp"
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27
28namespace pv {
29namespace view {
30
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31class TimeItem;
32
c23b29d6 33class Ruler : public MarginWidget
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34{
35 Q_OBJECT
36
37private:
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38
39 /// Height of the ruler in multipes of the text height
40 static const float RulerHeight;
41
ccdd3ef5 42 static const int MinorTickSubdivision;
ccdd3ef5 43
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44 /// Height of the hover arrow in multiples of the text height
45 static const float HoverArrowSize;
b3a7c013 46
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47 static const int Padding;
48
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49public:
50 Ruler(View &parent);
51
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52public:
53 void clear_selection();
54
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55public:
56 QSize sizeHint() const;
57
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58 /**
59 * The extended area that the header widget would like to be sized to.
60 * @remarks This area is the area specified by sizeHint, extended by
61 * the area to overlap the viewport.
62 */
63 QSize extended_size_hint() const;
64
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65private:
66 void paintEvent(QPaintEvent *event);
67
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68 void mouseMoveEvent(QMouseEvent *e);
69 void mousePressEvent(QMouseEvent *e);
70 void mouseReleaseEvent(QMouseEvent *);
71 void leaveEvent(QEvent*);
72
73 void mouseDoubleClickEvent(QMouseEvent *e);
74
75 void keyPressEvent(QKeyEvent *e);
76
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77private:
78 /**
79 * Draw a hover arrow under the cursor position.
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80 * @param p The painter to draw into.
81 * @param text_height The height of a single text ascent.
b3a7c013 82 */
249229ec 83 void draw_hover_mark(QPainter &p, int text_height);
b3a7c013 84
e456e8e1 85 int calculate_text_height() const;
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86
87private:
88 std::shared_ptr<TimeItem> mouse_down_item_;
819e2e95 89
e9213170 90private Q_SLOTS:
b3a7c013 91 void hover_point_changed();
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92};
93
94} // namespace view
95} // namespace pv
96
640d091b 97#endif // PULSEVIEW_PV_VIEW_RULER_H