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b42d25c4 JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 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 | ||
2acdb232 | 21 | #include "cursorpair.hpp" |
b42d25c4 | 22 | |
3ccf0f7f | 23 | #include "ruler.hpp" |
2acdb232 JH |
24 | #include "view.hpp" |
25 | #include "pv/util.hpp" | |
b42d25c4 | 26 | |
f9abf97e | 27 | #include <cassert> |
0ba172cf JH |
28 | #include <algorithm> |
29 | ||
819f4c25 JH |
30 | using std::max; |
31 | using std::make_pair; | |
32 | using std::min; | |
f9abf97e | 33 | using std::shared_ptr; |
819f4c25 | 34 | using std::pair; |
0ba172cf | 35 | |
b42d25c4 | 36 | namespace pv { |
f4e57597 SA |
37 | namespace views { |
38 | namespace TraceView { | |
b42d25c4 | 39 | |
5139748b | 40 | const int CursorPair::DeltaPadding = 8; |
ccee9230 | 41 | const QColor CursorPair::ViewportFillColour(220, 231, 243); |
5139748b | 42 | |
8debe10d | 43 | CursorPair::CursorPair(View &view) : |
5a0192d4 | 44 | TimeItem(view), |
8dbbc7f0 | 45 | first_(new Cursor(view, 0.0)), |
5a0192d4 | 46 | second_(new Cursor(view, 1.0)) |
b42d25c4 JH |
47 | { |
48 | } | |
49 | ||
5a0192d4 JH |
50 | bool CursorPair::enabled() const |
51 | { | |
52 | return view_.cursors_shown(); | |
53 | } | |
54 | ||
58864c5c | 55 | shared_ptr<Cursor> CursorPair::first() const |
b42d25c4 | 56 | { |
8dbbc7f0 | 57 | return first_; |
b42d25c4 JH |
58 | } |
59 | ||
58864c5c | 60 | shared_ptr<Cursor> CursorPair::second() const |
b42d25c4 | 61 | { |
8dbbc7f0 | 62 | return second_; |
b42d25c4 JH |
63 | } |
64 | ||
2ad82c2e UH |
65 | void CursorPair::set_time(const pv::util::Timestamp& time) |
66 | { | |
60d9b99a | 67 | const pv::util::Timestamp delta = second_->time() - first_->time(); |
3b9c4a0d JH |
68 | first_->set_time(time); |
69 | second_->set_time(time + delta); | |
70 | } | |
71 | ||
5165bb34 JH |
72 | float CursorPair::get_x() const |
73 | { | |
74 | return (first_->get_x() + second_->get_x()) / 2.0f; | |
75 | } | |
76 | ||
be717066 | 77 | QPoint CursorPair::point(const QRect &rect) const |
5a0192d4 | 78 | { |
be717066 | 79 | return first_->point(rect); |
5a0192d4 JH |
80 | } |
81 | ||
82 | pv::widgets::Popup* CursorPair::create_popup(QWidget *parent) | |
83 | { | |
84 | (void)parent; | |
85 | return nullptr; | |
86 | } | |
87 | ||
689dea92 | 88 | QRectF CursorPair::label_rect(const QRectF &rect) const |
5139748b | 89 | { |
3fed1f31 | 90 | const QSizeF label_size(text_size_ + LabelPadding * 2); |
5139748b JH |
91 | const pair<float, float> offsets(get_cursor_offsets()); |
92 | const pair<float, float> normal_offsets( | |
93 | (offsets.first < offsets.second) ? offsets : | |
94 | make_pair(offsets.second, offsets.first)); | |
95 | ||
96 | const float height = label_size.height(); | |
97 | const float left = max(normal_offsets.first + DeltaPadding, -height); | |
98 | const float right = min(normal_offsets.second - DeltaPadding, | |
99 | (float)rect.width() + height); | |
100 | ||
101 | return QRectF(left, rect.height() - label_size.height() - | |
6abffa97 | 102 | TimeMarker::ArrowSize - 0.5f, |
5139748b JH |
103 | right - left, height); |
104 | } | |
105 | ||
49028d6c | 106 | void CursorPair::paint_label(QPainter &p, const QRect &rect, bool hover) |
332afa74 | 107 | { |
8dbbc7f0 JH |
108 | assert(first_); |
109 | assert(second_); | |
58864c5c | 110 | |
9a377493 JH |
111 | if (!enabled()) |
112 | return; | |
113 | ||
f106fc3a JH |
114 | const QColor text_colour = |
115 | ViewItem::select_text_colour(Cursor::FillColour); | |
361c560e | 116 | |
f106fc3a | 117 | p.setPen(text_colour); |
32045253 | 118 | compute_text_size(p); |
689dea92 | 119 | QRectF delta_rect(label_rect(rect)); |
5139748b JH |
120 | |
121 | const int radius = delta_rect.height() / 2; | |
122 | const QRectF text_rect(delta_rect.intersected( | |
123 | rect).adjusted(radius, 0, -radius, 0)); | |
2ad82c2e | 124 | if (text_rect.width() >= text_size_.width()) { |
5139748b JH |
125 | const int highlight_radius = delta_rect.height() / 2 - 2; |
126 | ||
e9f909b8 JH |
127 | if (selected()) { |
128 | p.setBrush(Qt::transparent); | |
129 | p.setPen(highlight_pen()); | |
130 | p.drawRoundedRect(delta_rect, radius, radius); | |
131 | } | |
132 | ||
49028d6c JH |
133 | p.setBrush(hover ? Cursor::FillColour.lighter() : |
134 | Cursor::FillColour); | |
4fabd61a | 135 | p.setPen(Cursor::FillColour.darker()); |
5139748b JH |
136 | p.drawRoundedRect(delta_rect, radius, radius); |
137 | ||
138 | delta_rect.adjust(1, 1, -1, -1); | |
4fabd61a | 139 | p.setPen(Cursor::FillColour.lighter()); |
5139748b JH |
140 | p.drawRoundedRect(delta_rect, highlight_radius, highlight_radius); |
141 | ||
f106fc3a | 142 | p.setPen(text_colour); |
5139748b | 143 | p.drawText(text_rect, Qt::AlignCenter | Qt::AlignVCenter, |
32045253 | 144 | format_string()); |
5139748b | 145 | } |
332afa74 JH |
146 | } |
147 | ||
2ad82c2e UH |
148 | void CursorPair::paint_back(QPainter &p, const ViewItemPaintParams &pp) |
149 | { | |
beb897c6 JH |
150 | if (!enabled()) |
151 | return; | |
152 | ||
0ba172cf | 153 | p.setPen(Qt::NoPen); |
ccee9230 | 154 | p.setBrush(QBrush(ViewportFillColour)); |
0ba172cf | 155 | |
199441e4 JH |
156 | const pair<float, float> offsets(get_cursor_offsets()); |
157 | const int l = (int)max(min( | |
158 | offsets.first, offsets.second), 0.0f); | |
159 | const int r = (int)min(max( | |
beb897c6 | 160 | offsets.first, offsets.second), (float)pp.width()); |
58864c5c | 161 | |
beb897c6 | 162 | p.drawRect(l, pp.top(), r - l, pp.height()); |
0ba172cf JH |
163 | } |
164 | ||
32045253 JH |
165 | QString CursorPair::format_string() |
166 | { | |
d001f416 | 167 | const pv::util::SIPrefix prefix = view_.tick_prefix(); |
3ccf0f7f JS |
168 | const pv::util::Timestamp diff = abs(second_->time() - first_->time()); |
169 | ||
170 | const QString s1 = Ruler::format_time_with_distance( | |
171 | diff, diff, prefix, view_.time_unit(), view_.tick_precision(), false); | |
172 | const QString s2 = util::format_time_si( | |
173 | 1 / diff, pv::util::SIPrefix::unspecified, 4, "Hz", false); | |
174 | ||
175 | return QString("%1 / %2").arg(s1).arg(s2); | |
32045253 JH |
176 | } |
177 | ||
178 | void CursorPair::compute_text_size(QPainter &p) | |
5139748b | 179 | { |
8dbbc7f0 JH |
180 | assert(first_); |
181 | assert(second_); | |
58864c5c | 182 | |
32045253 | 183 | text_size_ = p.boundingRect(QRectF(), 0, format_string()).size(); |
5139748b JH |
184 | } |
185 | ||
199441e4 JH |
186 | pair<float, float> CursorPair::get_cursor_offsets() const |
187 | { | |
8dbbc7f0 JH |
188 | assert(first_); |
189 | assert(second_); | |
58864c5c | 190 | |
199441e4 | 191 | return pair<float, float>( |
60d9b99a JS |
192 | ((first_->time() - view_.offset()) / view_.scale()).convert_to<float>(), |
193 | ((second_->time() - view_.offset()) / view_.scale()).convert_to<float>()); | |
199441e4 JH |
194 | } |
195 | ||
f4e57597 SA |
196 | } // namespace TraceView |
197 | } // namespace views | |
b42d25c4 | 198 | } // namespace pv |