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931f20b0 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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
931f20b0 JH |
18 | */ |
19 | ||
20 | #include <extdef.h> | |
21 | ||
eb8269e3 | 22 | #include <cassert> |
d9e71737 | 23 | #include <cmath> |
931f20b0 | 24 | |
d7c0ca4a | 25 | #include <QApplication> |
b213ef09 | 26 | #include <QFormLayout> |
0891e69b | 27 | #include <QKeyEvent> |
b213ef09 JH |
28 | #include <QLineEdit> |
29 | ||
2acdb232 JH |
30 | #include "trace.hpp" |
31 | #include "tracepalette.hpp" | |
32 | #include "view.hpp" | |
931f20b0 | 33 | |
24c29d4f SA |
34 | #include "pv/globalsettings.hpp" |
35 | #include "pv/widgets/colourbutton.hpp" | |
36 | #include "pv/widgets/popup.hpp" | |
569d1e41 | 37 | |
6f925ba9 UH |
38 | using std::pair; |
39 | using std::shared_ptr; | |
40 | ||
931f20b0 | 41 | namespace pv { |
f4e57597 | 42 | namespace views { |
1573bf16 | 43 | namespace trace { |
931f20b0 | 44 | |
c063290a | 45 | const QPen Trace::AxisPen(QColor(0, 0, 0, 30 * 256 / 100)); |
931f20b0 JH |
46 | const int Trace::LabelHitPadding = 2; |
47 | ||
c063290a UH |
48 | const QColor Trace::BrightGrayBGColour = QColor(0, 0, 0, 10 * 255 / 100); |
49 | const QColor Trace::DarkGrayBGColour = QColor(0, 0, 0, 15 * 255 / 100); | |
ac0708fb | 50 | |
6f925ba9 | 51 | Trace::Trace(shared_ptr<data::SignalBase> channel) : |
73a25a6e | 52 | base_(channel), |
561ba3ae | 53 | axis_pen_(AxisPen), |
4c60462b JH |
54 | popup_(nullptr), |
55 | popup_form_(nullptr) | |
931f20b0 | 56 | { |
bf0edd2b SA |
57 | connect(channel.get(), SIGNAL(name_changed(const QString&)), |
58 | this, SLOT(on_name_changed(const QString&))); | |
59 | connect(channel.get(), SIGNAL(colour_changed(const QColor&)), | |
60 | this, SLOT(on_colour_changed(const QColor&))); | |
931f20b0 JH |
61 | } |
62 | ||
5ed05b69 SA |
63 | shared_ptr<data::SignalBase> Trace::base() const |
64 | { | |
65 | return base_; | |
66 | } | |
67 | ||
b3f44329 | 68 | void Trace::paint_label(QPainter &p, const QRect &rect, bool hover) |
01fd3263 | 69 | { |
be9e7b4b | 70 | const int y = get_visual_y(); |
01fd3263 | 71 | |
73a25a6e | 72 | p.setBrush(base_->colour()); |
931f20b0 JH |
73 | |
74 | if (!enabled()) | |
75 | return; | |
76 | ||
b3f44329 | 77 | const QRectF r = label_rect(rect); |
931f20b0 | 78 | |
c1a6513b SA |
79 | // When selected, move the arrow to the left so that the border can show |
80 | const QPointF offs = (selected()) ? QPointF(-2, 0) : QPointF(0, 0); | |
81 | ||
931f20b0 | 82 | // Paint the label |
b5cb6c35 | 83 | const float label_arrow_length = r.height() / 2; |
c1a6513b SA |
84 | QPointF points[] = { |
85 | offs + r.topLeft(), | |
86 | offs + QPointF(r.right() - label_arrow_length, r.top()), | |
87 | offs + QPointF(r.right(), y), | |
88 | offs + QPointF(r.right() - label_arrow_length, r.bottom()), | |
89 | offs + r.bottomLeft() | |
931f20b0 | 90 | }; |
c1a6513b SA |
91 | QPointF highlight_points[] = { |
92 | offs + QPointF(r.left() + 1, r.top() + 1), | |
93 | offs + QPointF(r.right() - label_arrow_length, r.top() + 1), | |
94 | offs + QPointF(r.right() - 1, y), | |
95 | offs + QPointF(r.right() - label_arrow_length, r.bottom() - 1), | |
96 | offs + QPointF(r.left() + 1, r.bottom() - 1) | |
931f20b0 JH |
97 | }; |
98 | ||
99 | if (selected()) { | |
100 | p.setPen(highlight_pen()); | |
101 | p.setBrush(Qt::transparent); | |
102 | p.drawPolygon(points, countof(points)); | |
103 | } | |
104 | ||
105 | p.setPen(Qt::transparent); | |
73a25a6e | 106 | p.setBrush(hover ? base_->colour().lighter() : base_->colour()); |
931f20b0 JH |
107 | p.drawPolygon(points, countof(points)); |
108 | ||
73a25a6e | 109 | p.setPen(base_->colour().lighter()); |
931f20b0 JH |
110 | p.setBrush(Qt::transparent); |
111 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
112 | ||
73a25a6e | 113 | p.setPen(base_->colour().darker()); |
931f20b0 JH |
114 | p.setBrush(Qt::transparent); |
115 | p.drawPolygon(points, countof(points)); | |
116 | ||
117 | // Paint the text | |
73a25a6e | 118 | p.setPen(select_text_colour(base_->colour())); |
d7c0ca4a | 119 | p.setFont(QApplication::font()); |
b5cb6c35 JH |
120 | p.drawText(QRectF(r.x(), r.y(), |
121 | r.width() - label_arrow_length, r.height()), | |
73a25a6e | 122 | Qt::AlignCenter | Qt::AlignVCenter, base_->name()); |
931f20b0 JH |
123 | } |
124 | ||
9b6378f1 JH |
125 | QMenu* Trace::create_context_menu(QWidget *parent) |
126 | { | |
26e3af6b | 127 | QMenu *const menu = ViewItem::create_context_menu(parent); |
9b6378f1 | 128 | |
9b6378f1 JH |
129 | return menu; |
130 | } | |
131 | ||
569d1e41 JH |
132 | pv::widgets::Popup* Trace::create_popup(QWidget *parent) |
133 | { | |
134 | using pv::widgets::Popup; | |
20eaae39 | 135 | |
8dbbc7f0 | 136 | popup_ = new Popup(parent); |
786b7678 | 137 | popup_->set_position(parent->mapToGlobal( |
a3d5a7c7 | 138 | drag_point(parent->rect())), Popup::Right); |
20eaae39 | 139 | |
37fd11b1 | 140 | create_popup_form(); |
20eaae39 | 141 | |
c063290a | 142 | connect(popup_, SIGNAL(closed()), this, SLOT(on_popup_closed())); |
20eaae39 | 143 | |
8dbbc7f0 | 144 | return popup_; |
569d1e41 JH |
145 | } |
146 | ||
b3f44329 | 147 | QRectF Trace::label_rect(const QRectF &rect) const |
d7c0ca4a | 148 | { |
d7c0ca4a JH |
149 | QFontMetrics m(QApplication::font()); |
150 | const QSize text_size( | |
73a25a6e | 151 | m.boundingRect(QRect(), 0, base_->name()).width(), m.height()); |
d7c0ca4a | 152 | const QSizeF label_size( |
ec39632d JH |
153 | text_size.width() + LabelPadding.width() * 2, |
154 | ceilf((text_size.height() + LabelPadding.height() * 2) / 2) * 2); | |
b5cb6c35 | 155 | const float half_height = label_size.height() / 2; |
d7c0ca4a | 156 | return QRectF( |
b3f44329 | 157 | rect.right() - half_height - label_size.width() - 0.5, |
be9e7b4b | 158 | get_visual_y() + 0.5f - half_height, |
b5cb6c35 JH |
159 | label_size.width() + half_height, |
160 | label_size.height()); | |
d7c0ca4a JH |
161 | } |
162 | ||
60938e04 | 163 | void Trace::paint_back(QPainter &p, ViewItemPaintParams &pp) |
99af6802 | 164 | { |
48995388 JH |
165 | const View *view = owner_->view(); |
166 | assert(view); | |
167 | ||
168 | if (view->coloured_bg()) | |
73a25a6e | 169 | p.setBrush(base_->bgcolour()); |
ac0708fb | 170 | else |
59ec98e2 | 171 | p.setBrush(pp.next_bg_colour_state() ? BrightGrayBGColour : DarkGrayBGColour); |
99af6802 | 172 | |
ac0708fb | 173 | p.setPen(QPen(Qt::NoPen)); |
99af6802 | 174 | |
6f925ba9 | 175 | const pair<int, int> extents = v_extents(); |
857ebbef JH |
176 | p.drawRect(pp.left(), get_visual_y() + extents.first, |
177 | pp.width(), extents.second - extents.first); | |
99af6802 SA |
178 | } |
179 | ||
60938e04 | 180 | void Trace::paint_axis(QPainter &p, ViewItemPaintParams &pp, int y) |
fe08b6e8 | 181 | { |
46a0cadc SA |
182 | p.setRenderHint(QPainter::Antialiasing, false); |
183 | ||
561ba3ae | 184 | p.setPen(axis_pen_); |
46a0cadc SA |
185 | p.drawLine(QPointF(pp.left(), y), QPointF(pp.right(), y)); |
186 | ||
187 | p.setRenderHint(QPainter::Antialiasing, true); | |
fe08b6e8 JH |
188 | } |
189 | ||
91e8bf08 JH |
190 | void Trace::add_colour_option(QWidget *parent, QFormLayout *form) |
191 | { | |
192 | using pv::widgets::ColourButton; | |
193 | ||
194 | ColourButton *const colour_button = new ColourButton( | |
195 | TracePalette::Rows, TracePalette::Cols, parent); | |
196 | colour_button->set_palette(TracePalette::Colours); | |
73a25a6e | 197 | colour_button->set_colour(base_->colour()); |
91e8bf08 | 198 | connect(colour_button, SIGNAL(selected(const QColor&)), |
bf0edd2b | 199 | this, SLOT(on_colouredit_changed(const QColor&))); |
91e8bf08 JH |
200 | |
201 | form->addRow(tr("Colour"), colour_button); | |
202 | } | |
203 | ||
37fd11b1 JH |
204 | void Trace::create_popup_form() |
205 | { | |
206 | // Clear the layout | |
207 | ||
208 | // Transfer the layout and the child widgets to a temporary widget | |
e3004449 EO |
209 | // which we delete after the event was handled. This way, the layout |
210 | // and all widgets contained therein are deleted after the event was | |
211 | // handled, leaving the parent popup_ time to handle the change. | |
212 | if (popup_form_) { | |
213 | QWidget *suicidal = new QWidget(); | |
214 | suicidal->setLayout(popup_form_); | |
215 | suicidal->deleteLater(); | |
216 | } | |
37fd11b1 JH |
217 | |
218 | // Repopulate the popup | |
8dbbc7f0 JH |
219 | popup_form_ = new QFormLayout(popup_); |
220 | popup_->setLayout(popup_form_); | |
221 | populate_popup_form(popup_, popup_form_); | |
37fd11b1 JH |
222 | } |
223 | ||
569d1e41 JH |
224 | void Trace::populate_popup_form(QWidget *parent, QFormLayout *form) |
225 | { | |
68456dab | 226 | QLineEdit *const name_edit = new QLineEdit(parent); |
73a25a6e | 227 | name_edit->setText(base_->name()); |
68456dab | 228 | connect(name_edit, SIGNAL(textChanged(const QString&)), |
bf0edd2b | 229 | this, SLOT(on_nameedit_changed(const QString&))); |
68456dab | 230 | form->addRow(tr("Name"), name_edit); |
91e8bf08 JH |
231 | |
232 | add_colour_option(parent, form); | |
569d1e41 JH |
233 | } |
234 | ||
bf0edd2b | 235 | void Trace::set_name(QString name) |
20eaae39 | 236 | { |
73a25a6e | 237 | base_->set_name(name); |
20eaae39 JH |
238 | } |
239 | ||
bf0edd2b | 240 | void Trace::set_colour(QColor colour) |
68456dab | 241 | { |
73a25a6e | 242 | base_->set_colour(colour); |
bf0edd2b | 243 | } |
32218d3e | 244 | |
bf0edd2b SA |
245 | void Trace::on_name_changed(const QString &text) |
246 | { | |
247 | /* This event handler is called by SignalBase when the name was changed there */ | |
248 | (void)text; | |
249 | ||
250 | if (owner_) { | |
8dbbc7f0 | 251 | owner_->extents_changed(true, false); |
bf0edd2b SA |
252 | owner_->row_item_appearance_changed(true, false); |
253 | } | |
68456dab | 254 | } |
9b6378f1 | 255 | |
91e8bf08 JH |
256 | void Trace::on_colour_changed(const QColor &colour) |
257 | { | |
bf0edd2b SA |
258 | /* This event handler is called by SignalBase when the colour was changed there */ |
259 | (void)colour; | |
32218d3e | 260 | |
8dbbc7f0 | 261 | if (owner_) |
99af6802 | 262 | owner_->row_item_appearance_changed(true, true); |
91e8bf08 JH |
263 | } |
264 | ||
bf0edd2b SA |
265 | void Trace::on_popup_closed() |
266 | { | |
267 | popup_ = nullptr; | |
268 | popup_form_ = nullptr; | |
269 | } | |
270 | ||
271 | void Trace::on_nameedit_changed(const QString &name) | |
272 | { | |
273 | /* This event handler notifies SignalBase that the name changed */ | |
274 | set_name(name); | |
275 | } | |
276 | ||
277 | void Trace::on_colouredit_changed(const QColor &colour) | |
278 | { | |
279 | /* This event handler notifies SignalBase that the colour changed */ | |
280 | set_colour(colour); | |
281 | } | |
282 | ||
1573bf16 | 283 | } // namespace trace |
f4e57597 | 284 | } // namespace views |
931f20b0 | 285 | } // namespace pv |