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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 SA |
42 | namespace views { |
43 | namespace TraceView { | |
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), |
4c60462b JH |
53 | popup_(nullptr), |
54 | popup_form_(nullptr) | |
931f20b0 | 55 | { |
bf0edd2b SA |
56 | connect(channel.get(), SIGNAL(name_changed(const QString&)), |
57 | this, SLOT(on_name_changed(const QString&))); | |
58 | connect(channel.get(), SIGNAL(colour_changed(const QColor&)), | |
59 | this, SLOT(on_colour_changed(const QColor&))); | |
931f20b0 JH |
60 | } |
61 | ||
5ed05b69 SA |
62 | shared_ptr<data::SignalBase> Trace::base() const |
63 | { | |
64 | return base_; | |
65 | } | |
66 | ||
b3f44329 | 67 | void Trace::paint_label(QPainter &p, const QRect &rect, bool hover) |
01fd3263 | 68 | { |
be9e7b4b | 69 | const int y = get_visual_y(); |
01fd3263 | 70 | |
73a25a6e | 71 | p.setBrush(base_->colour()); |
931f20b0 JH |
72 | |
73 | if (!enabled()) | |
74 | return; | |
75 | ||
b3f44329 | 76 | const QRectF r = label_rect(rect); |
931f20b0 | 77 | |
c1a6513b SA |
78 | // When selected, move the arrow to the left so that the border can show |
79 | const QPointF offs = (selected()) ? QPointF(-2, 0) : QPointF(0, 0); | |
80 | ||
931f20b0 | 81 | // Paint the label |
b5cb6c35 | 82 | const float label_arrow_length = r.height() / 2; |
c1a6513b SA |
83 | QPointF points[] = { |
84 | offs + r.topLeft(), | |
85 | offs + QPointF(r.right() - label_arrow_length, r.top()), | |
86 | offs + QPointF(r.right(), y), | |
87 | offs + QPointF(r.right() - label_arrow_length, r.bottom()), | |
88 | offs + r.bottomLeft() | |
931f20b0 | 89 | }; |
c1a6513b SA |
90 | QPointF highlight_points[] = { |
91 | offs + QPointF(r.left() + 1, r.top() + 1), | |
92 | offs + QPointF(r.right() - label_arrow_length, r.top() + 1), | |
93 | offs + QPointF(r.right() - 1, y), | |
94 | offs + QPointF(r.right() - label_arrow_length, r.bottom() - 1), | |
95 | offs + QPointF(r.left() + 1, r.bottom() - 1) | |
931f20b0 JH |
96 | }; |
97 | ||
98 | if (selected()) { | |
99 | p.setPen(highlight_pen()); | |
100 | p.setBrush(Qt::transparent); | |
101 | p.drawPolygon(points, countof(points)); | |
102 | } | |
103 | ||
104 | p.setPen(Qt::transparent); | |
73a25a6e | 105 | p.setBrush(hover ? base_->colour().lighter() : base_->colour()); |
931f20b0 JH |
106 | p.drawPolygon(points, countof(points)); |
107 | ||
73a25a6e | 108 | p.setPen(base_->colour().lighter()); |
931f20b0 JH |
109 | p.setBrush(Qt::transparent); |
110 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
111 | ||
73a25a6e | 112 | p.setPen(base_->colour().darker()); |
931f20b0 JH |
113 | p.setBrush(Qt::transparent); |
114 | p.drawPolygon(points, countof(points)); | |
115 | ||
116 | // Paint the text | |
73a25a6e | 117 | p.setPen(select_text_colour(base_->colour())); |
d7c0ca4a | 118 | p.setFont(QApplication::font()); |
b5cb6c35 JH |
119 | p.drawText(QRectF(r.x(), r.y(), |
120 | r.width() - label_arrow_length, r.height()), | |
73a25a6e | 121 | Qt::AlignCenter | Qt::AlignVCenter, base_->name()); |
931f20b0 JH |
122 | } |
123 | ||
9b6378f1 JH |
124 | QMenu* Trace::create_context_menu(QWidget *parent) |
125 | { | |
26e3af6b | 126 | QMenu *const menu = ViewItem::create_context_menu(parent); |
9b6378f1 | 127 | |
9b6378f1 JH |
128 | return menu; |
129 | } | |
130 | ||
569d1e41 JH |
131 | pv::widgets::Popup* Trace::create_popup(QWidget *parent) |
132 | { | |
133 | using pv::widgets::Popup; | |
20eaae39 | 134 | |
8dbbc7f0 | 135 | popup_ = new Popup(parent); |
786b7678 JH |
136 | popup_->set_position(parent->mapToGlobal( |
137 | point(parent->rect())), Popup::Right); | |
20eaae39 | 138 | |
37fd11b1 | 139 | create_popup_form(); |
20eaae39 | 140 | |
c063290a | 141 | connect(popup_, SIGNAL(closed()), this, SLOT(on_popup_closed())); |
20eaae39 | 142 | |
8dbbc7f0 | 143 | return popup_; |
569d1e41 JH |
144 | } |
145 | ||
b3f44329 | 146 | QRectF Trace::label_rect(const QRectF &rect) const |
d7c0ca4a | 147 | { |
d7c0ca4a JH |
148 | QFontMetrics m(QApplication::font()); |
149 | const QSize text_size( | |
73a25a6e | 150 | m.boundingRect(QRect(), 0, base_->name()).width(), m.height()); |
d7c0ca4a | 151 | const QSizeF label_size( |
ec39632d JH |
152 | text_size.width() + LabelPadding.width() * 2, |
153 | ceilf((text_size.height() + LabelPadding.height() * 2) / 2) * 2); | |
b5cb6c35 | 154 | const float half_height = label_size.height() / 2; |
d7c0ca4a | 155 | return QRectF( |
b3f44329 | 156 | rect.right() - half_height - label_size.width() - 0.5, |
be9e7b4b | 157 | get_visual_y() + 0.5f - half_height, |
b5cb6c35 JH |
158 | label_size.width() + half_height, |
159 | label_size.height()); | |
d7c0ca4a JH |
160 | } |
161 | ||
60938e04 | 162 | void Trace::paint_back(QPainter &p, ViewItemPaintParams &pp) |
99af6802 | 163 | { |
48995388 JH |
164 | const View *view = owner_->view(); |
165 | assert(view); | |
166 | ||
167 | if (view->coloured_bg()) | |
73a25a6e | 168 | p.setBrush(base_->bgcolour()); |
ac0708fb | 169 | else |
59ec98e2 | 170 | p.setBrush(pp.next_bg_colour_state() ? BrightGrayBGColour : DarkGrayBGColour); |
99af6802 | 171 | |
ac0708fb | 172 | p.setPen(QPen(Qt::NoPen)); |
99af6802 | 173 | |
6f925ba9 | 174 | const pair<int, int> extents = v_extents(); |
857ebbef JH |
175 | p.drawRect(pp.left(), get_visual_y() + extents.first, |
176 | pp.width(), extents.second - extents.first); | |
99af6802 SA |
177 | } |
178 | ||
60938e04 | 179 | void Trace::paint_axis(QPainter &p, ViewItemPaintParams &pp, int y) |
fe08b6e8 | 180 | { |
46a0cadc SA |
181 | p.setRenderHint(QPainter::Antialiasing, false); |
182 | ||
fe08b6e8 | 183 | p.setPen(AxisPen); |
46a0cadc SA |
184 | p.drawLine(QPointF(pp.left(), y), QPointF(pp.right(), y)); |
185 | ||
186 | p.setRenderHint(QPainter::Antialiasing, true); | |
fe08b6e8 JH |
187 | } |
188 | ||
91e8bf08 JH |
189 | void Trace::add_colour_option(QWidget *parent, QFormLayout *form) |
190 | { | |
191 | using pv::widgets::ColourButton; | |
192 | ||
193 | ColourButton *const colour_button = new ColourButton( | |
194 | TracePalette::Rows, TracePalette::Cols, parent); | |
195 | colour_button->set_palette(TracePalette::Colours); | |
73a25a6e | 196 | colour_button->set_colour(base_->colour()); |
91e8bf08 | 197 | connect(colour_button, SIGNAL(selected(const QColor&)), |
bf0edd2b | 198 | this, SLOT(on_colouredit_changed(const QColor&))); |
91e8bf08 JH |
199 | |
200 | form->addRow(tr("Colour"), colour_button); | |
201 | } | |
202 | ||
37fd11b1 JH |
203 | void Trace::create_popup_form() |
204 | { | |
205 | // Clear the layout | |
206 | ||
207 | // Transfer the layout and the child widgets to a temporary widget | |
e3004449 EO |
208 | // which we delete after the event was handled. This way, the layout |
209 | // and all widgets contained therein are deleted after the event was | |
210 | // handled, leaving the parent popup_ time to handle the change. | |
211 | if (popup_form_) { | |
212 | QWidget *suicidal = new QWidget(); | |
213 | suicidal->setLayout(popup_form_); | |
214 | suicidal->deleteLater(); | |
215 | } | |
37fd11b1 JH |
216 | |
217 | // Repopulate the popup | |
8dbbc7f0 JH |
218 | popup_form_ = new QFormLayout(popup_); |
219 | popup_->setLayout(popup_form_); | |
220 | populate_popup_form(popup_, popup_form_); | |
37fd11b1 JH |
221 | } |
222 | ||
569d1e41 JH |
223 | void Trace::populate_popup_form(QWidget *parent, QFormLayout *form) |
224 | { | |
68456dab | 225 | QLineEdit *const name_edit = new QLineEdit(parent); |
73a25a6e | 226 | name_edit->setText(base_->name()); |
68456dab | 227 | connect(name_edit, SIGNAL(textChanged(const QString&)), |
bf0edd2b | 228 | this, SLOT(on_nameedit_changed(const QString&))); |
68456dab | 229 | form->addRow(tr("Name"), name_edit); |
91e8bf08 JH |
230 | |
231 | add_colour_option(parent, form); | |
569d1e41 JH |
232 | } |
233 | ||
bf0edd2b | 234 | void Trace::set_name(QString name) |
20eaae39 | 235 | { |
73a25a6e | 236 | base_->set_name(name); |
20eaae39 JH |
237 | } |
238 | ||
bf0edd2b | 239 | void Trace::set_colour(QColor colour) |
68456dab | 240 | { |
73a25a6e | 241 | base_->set_colour(colour); |
bf0edd2b | 242 | } |
32218d3e | 243 | |
bf0edd2b SA |
244 | void Trace::on_name_changed(const QString &text) |
245 | { | |
246 | /* This event handler is called by SignalBase when the name was changed there */ | |
247 | (void)text; | |
248 | ||
249 | if (owner_) { | |
8dbbc7f0 | 250 | owner_->extents_changed(true, false); |
bf0edd2b SA |
251 | owner_->row_item_appearance_changed(true, false); |
252 | } | |
68456dab | 253 | } |
9b6378f1 | 254 | |
91e8bf08 JH |
255 | void Trace::on_colour_changed(const QColor &colour) |
256 | { | |
bf0edd2b SA |
257 | /* This event handler is called by SignalBase when the colour was changed there */ |
258 | (void)colour; | |
32218d3e | 259 | |
8dbbc7f0 | 260 | if (owner_) |
99af6802 | 261 | owner_->row_item_appearance_changed(true, true); |
91e8bf08 JH |
262 | } |
263 | ||
bf0edd2b SA |
264 | void Trace::on_popup_closed() |
265 | { | |
266 | popup_ = nullptr; | |
267 | popup_form_ = nullptr; | |
268 | } | |
269 | ||
270 | void Trace::on_nameedit_changed(const QString &name) | |
271 | { | |
272 | /* This event handler notifies SignalBase that the name changed */ | |
273 | set_name(name); | |
274 | } | |
275 | ||
276 | void Trace::on_colouredit_changed(const QColor &colour) | |
277 | { | |
278 | /* This event handler notifies SignalBase that the colour changed */ | |
279 | set_colour(colour); | |
280 | } | |
281 | ||
f4e57597 SA |
282 | } // namespace TraceView |
283 | } // namespace views | |
931f20b0 | 284 | } // namespace pv |