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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <algorithm> | |
21 | ||
22 | #include <extdef.h> | |
23 | ||
24 | #include "timemarker.hpp" | |
25 | ||
26 | #include "view.hpp" | |
27 | #include "pv/widgets/timestampspinbox.hpp" | |
28 | ||
29 | #include <QApplication> | |
30 | #include <QFormLayout> | |
31 | #include <QFontMetrics> | |
32 | #include <QPainter> | |
33 | ||
34 | #include <pv/widgets/popup.hpp> | |
35 | ||
36 | using std::max; | |
37 | using std::min; | |
38 | ||
39 | namespace pv { | |
40 | namespace views { | |
41 | namespace TraceView { | |
42 | ||
43 | const int TimeMarker::ArrowSize = 4; | |
44 | ||
45 | TimeMarker::TimeMarker( | |
46 | View &view, const QColor &colour, const pv::util::Timestamp& time) : | |
47 | TimeItem(view), | |
48 | colour_(colour), | |
49 | time_(time), | |
50 | value_action_(nullptr), | |
51 | value_widget_(nullptr), | |
52 | updating_value_widget_(false) | |
53 | { | |
54 | } | |
55 | ||
56 | const pv::util::Timestamp& TimeMarker::time() const | |
57 | { | |
58 | return time_; | |
59 | } | |
60 | ||
61 | void TimeMarker::set_time(const pv::util::Timestamp& time) | |
62 | { | |
63 | time_ = time; | |
64 | ||
65 | if (value_widget_) { | |
66 | updating_value_widget_ = true; | |
67 | value_widget_->setValue(time); | |
68 | updating_value_widget_ = false; | |
69 | } | |
70 | ||
71 | view_.time_item_appearance_changed(true, true); | |
72 | } | |
73 | ||
74 | float TimeMarker::get_x() const | |
75 | { | |
76 | return ((time_ - view_.offset()) / view_.scale()).convert_to<float>(); | |
77 | } | |
78 | ||
79 | QPoint TimeMarker::point(const QRect &rect) const | |
80 | { | |
81 | return QPoint(get_x(), rect.bottom()); | |
82 | } | |
83 | ||
84 | QRectF TimeMarker::label_rect(const QRectF &rect) const | |
85 | { | |
86 | QFontMetrics m(QApplication::font()); | |
87 | const QSizeF text_size( | |
88 | max(m.boundingRect(get_text()).size().width(), ArrowSize), | |
89 | m.height()); | |
90 | const QSizeF label_size(text_size + LabelPadding * 2); | |
91 | const float top = rect.height() - label_size.height() - | |
92 | TimeMarker::ArrowSize - 0.5f; | |
93 | const float x = get_x(); | |
94 | ||
95 | return QRectF(QPointF(x - label_size.width() / 2, top), label_size); | |
96 | } | |
97 | ||
98 | QRectF TimeMarker::hit_box_rect(const ViewItemPaintParams &pp) const | |
99 | { | |
100 | const float x = get_x(); | |
101 | const float h = QFontMetrics(QApplication::font()).height(); | |
102 | return QRectF(x - h / 2.0f, pp.top(), h, pp.height()); | |
103 | } | |
104 | ||
105 | void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover) | |
106 | { | |
107 | if (!enabled()) | |
108 | return; | |
109 | ||
110 | const qreal x = ((time_ - view_.offset()) / view_.scale()).convert_to<qreal>(); | |
111 | const QRectF r(label_rect(rect)); | |
112 | ||
113 | const QPointF points[] = { | |
114 | r.topLeft(), | |
115 | r.bottomLeft(), | |
116 | QPointF(max(r.left(), x - ArrowSize), r.bottom()), | |
117 | QPointF(x, rect.bottom()), | |
118 | QPointF(min(r.right(), x + ArrowSize), r.bottom()), | |
119 | r.bottomRight(), | |
120 | r.topRight() | |
121 | }; | |
122 | ||
123 | const QPointF highlight_points[] = { | |
124 | QPointF(r.left() + 1, r.top() + 1), | |
125 | QPointF(r.left() + 1, r.bottom() - 1), | |
126 | QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1), | |
127 | QPointF(min(max(r.left() + 1, x), r.right() - 1), | |
128 | rect.bottom() - 1), | |
129 | QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1), | |
130 | QPointF(r.right() - 1, r.bottom() - 1), | |
131 | QPointF(r.right() - 1, r.top() + 1), | |
132 | }; | |
133 | ||
134 | if (selected()) { | |
135 | p.setPen(highlight_pen()); | |
136 | p.setBrush(Qt::transparent); | |
137 | p.drawPolygon(points, countof(points)); | |
138 | } | |
139 | ||
140 | p.setPen(Qt::transparent); | |
141 | p.setBrush(hover ? colour_.lighter() : colour_); | |
142 | p.drawPolygon(points, countof(points)); | |
143 | ||
144 | p.setPen(colour_.lighter()); | |
145 | p.setBrush(Qt::transparent); | |
146 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
147 | ||
148 | p.setPen(colour_.darker()); | |
149 | p.setBrush(Qt::transparent); | |
150 | p.drawPolygon(points, countof(points)); | |
151 | ||
152 | p.setPen(select_text_colour(colour_)); | |
153 | p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text()); | |
154 | } | |
155 | ||
156 | void TimeMarker::paint_fore(QPainter &p, const ViewItemPaintParams &pp) | |
157 | { | |
158 | if (!enabled()) | |
159 | return; | |
160 | ||
161 | const float x = get_x(); | |
162 | p.setPen(colour_.darker()); | |
163 | p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom())); | |
164 | } | |
165 | ||
166 | pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent) | |
167 | { | |
168 | using pv::widgets::Popup; | |
169 | ||
170 | Popup *const popup = new Popup(parent); | |
171 | popup->set_position(parent->mapToGlobal( | |
172 | point(parent->rect())), Popup::Bottom); | |
173 | ||
174 | QFormLayout *const form = new QFormLayout(popup); | |
175 | popup->setLayout(form); | |
176 | ||
177 | value_widget_ = new pv::widgets::TimestampSpinBox(parent); | |
178 | value_widget_->setValue(time_); | |
179 | ||
180 | connect(value_widget_, SIGNAL(valueChanged(const pv::util::Timestamp&)), | |
181 | this, SLOT(on_value_changed(const pv::util::Timestamp&))); | |
182 | ||
183 | form->addRow(tr("Time"), value_widget_); | |
184 | ||
185 | return popup; | |
186 | } | |
187 | ||
188 | void TimeMarker::on_value_changed(const pv::util::Timestamp& value) | |
189 | { | |
190 | if (!updating_value_widget_) | |
191 | set_time(value); | |
192 | } | |
193 | ||
194 | } // namespace TraceView | |
195 | } // namespace views | |
196 | } // namespace pv |