]>
Commit | Line | Data |
---|---|---|
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 | #include "cursor.h" | |
22 | ||
23 | #include "view.h" | |
f0c9f81c | 24 | #include "pv/util.h" |
cabce982 JH |
25 | |
26 | #include <QBrush> | |
27 | #include <QPainter> | |
34c1ef02 | 28 | #include <QPointF> |
cabce982 JH |
29 | #include <QRect> |
30 | #include <QRectF> | |
31 | ||
f9abf97e JH |
32 | #include <cassert> |
33 | #include <cstdio> | |
34c1ef02 JH |
34 | |
35 | #include <extdef.h> | |
36 | ||
f9abf97e | 37 | using std::shared_ptr; |
58864c5c | 38 | |
cabce982 JH |
39 | namespace pv { |
40 | namespace view { | |
41 | ||
42 | const QColor Cursor::LineColour(32, 74, 135); | |
43 | const QColor Cursor::FillColour(52, 101, 164); | |
44 | const QColor Cursor::HighlightColour(83, 130, 186); | |
45 | const QColor Cursor::TextColour(Qt::white); | |
46 | ||
cabce982 JH |
47 | const int Cursor::Offset = 1; |
48 | ||
34c1ef02 JH |
49 | const int Cursor::ArrowSize = 4; |
50 | ||
8debe10d | 51 | Cursor::Cursor(View &view, double time) : |
58864c5c | 52 | TimeMarker(view, LineColour, time) |
cabce982 JH |
53 | { |
54 | } | |
55 | ||
ca4ec3ea | 56 | QRectF Cursor::get_label_rect(const QRect &rect) const |
cabce982 | 57 | { |
58864c5c JH |
58 | const shared_ptr<Cursor> other(get_other_cursor()); |
59 | assert(other); | |
60 | ||
cabce982 | 61 | const float x = (_time - _view.offset()) / _view.scale(); |
34c1ef02 JH |
62 | |
63 | const QSizeF label_size( | |
64 | _text_size.width() + View::LabelPadding.width() * 2, | |
65 | _text_size.height() + View::LabelPadding.height() * 2); | |
199441e4 JH |
66 | const float top = rect.height() - label_size.height() - |
67 | Cursor::Offset - Cursor::ArrowSize - 0.5f; | |
5139748b | 68 | const float height = label_size.height(); |
199441e4 | 69 | |
58864c5c | 70 | if (_time > other->time()) |
199441e4 JH |
71 | return QRectF(x, top, label_size.width(), height); |
72 | else | |
73 | return QRectF(x - label_size.width(), top, | |
74 | label_size.width(), height); | |
ca4ec3ea JH |
75 | } |
76 | ||
3a6fe081 JH |
77 | void Cursor::paint_label(QPainter &p, const QRect &rect, |
78 | unsigned int prefix) | |
ca4ec3ea | 79 | { |
58864c5c JH |
80 | const shared_ptr<Cursor> other(get_other_cursor()); |
81 | assert(other); | |
82 | ||
3a6fe081 | 83 | compute_text_size(p, prefix); |
ca4ec3ea | 84 | const QRectF r(get_label_rect(rect)); |
cabce982 | 85 | |
f796cf51 JH |
86 | const QPointF left_points[] = { |
87 | r.topLeft(), | |
88 | r.topRight(), | |
89 | r.bottomRight(), | |
90 | QPointF(r.left() + ArrowSize, r.bottom()), | |
91 | QPointF(r.left(), rect.bottom()), | |
92 | }; | |
93 | ||
94 | const QPointF right_points[] = { | |
95 | r.topRight(), | |
96 | r.topLeft(), | |
97 | r.bottomLeft(), | |
98 | QPointF(r.right() - ArrowSize, r.bottom()), | |
99 | QPointF(r.right(), rect.bottom()), | |
100 | }; | |
101 | ||
102 | const QPointF left_highlight_points[] = { | |
103 | QPointF(r.left() + 1, r.top() + 1), | |
104 | QPointF(r.right() - 1, r.top() + 1), | |
105 | QPointF(r.right() - 1, r.bottom() - 1), | |
106 | QPointF(r.left() + ArrowSize - 1, r.bottom() - 1), | |
107 | QPointF(r.left() + 1, rect.bottom() - 1), | |
108 | }; | |
109 | ||
110 | const QPointF right_highlight_points[] = { | |
111 | QPointF(r.right() - 1, r.top() + 1), | |
112 | QPointF(r.left() + 1, r.top() + 1), | |
113 | QPointF(r.left() + 1, r.bottom() - 1), | |
114 | QPointF(r.right() - ArrowSize + 1, r.bottom() - 1), | |
115 | QPointF(r.right() - 1, rect.bottom() - 1), | |
116 | }; | |
117 | ||
58864c5c | 118 | const QPointF *const points = (_time > other->time()) ? |
f796cf51 | 119 | left_points : right_points; |
58864c5c | 120 | const QPointF *const highlight_points = (_time > other->time()) ? |
f796cf51 JH |
121 | left_highlight_points : right_highlight_points; |
122 | ||
123 | if (selected()) { | |
124 | p.setPen(highlight_pen()); | |
96d3ad83 | 125 | p.setBrush(Qt::transparent); |
f796cf51 | 126 | p.drawPolygon(points, countof(left_points)); |
96d3ad83 | 127 | } |
96d3ad83 | 128 | |
f796cf51 JH |
129 | p.setPen(Qt::transparent); |
130 | p.setBrush(FillColour); | |
131 | p.drawPolygon(points, countof(left_points)); | |
132 | ||
133 | p.setPen(HighlightColour); | |
134 | p.setBrush(Qt::transparent); | |
135 | p.drawPolygon(highlight_points, countof(left_highlight_points)); | |
136 | ||
137 | p.setPen(LineColour); | |
138 | p.setBrush(Qt::transparent); | |
139 | p.drawPolygon(points, countof(left_points)); | |
34c1ef02 JH |
140 | |
141 | p.setPen(TextColour); | |
3a6fe081 | 142 | p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, |
f0c9f81c | 143 | pv::util::format_time(_time, prefix, 2)); |
34c1ef02 JH |
144 | } |
145 | ||
3a6fe081 | 146 | void Cursor::compute_text_size(QPainter &p, unsigned int prefix) |
34c1ef02 | 147 | { |
3a6fe081 | 148 | _text_size = p.boundingRect(QRectF(), 0, |
f0c9f81c | 149 | pv::util::format_time(_time, prefix, 2)).size(); |
cabce982 JH |
150 | } |
151 | ||
58864c5c JH |
152 | shared_ptr<Cursor> Cursor::get_other_cursor() const |
153 | { | |
154 | const CursorPair &cursors = _view.cursors(); | |
155 | return (cursors.first().get() == this) ? | |
156 | cursors.second() : cursors.first(); | |
157 | } | |
158 | ||
cabce982 JH |
159 | } // namespace view |
160 | } // namespace pv |