2 * This file is part of the PulseView project.
4 * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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
26 #include <QApplication>
27 #include <QFormLayout>
32 #include "tracepalette.hpp"
35 #include <pv/widgets/colourbutton.hpp>
36 #include <pv/widgets/popup.hpp>
41 const QPen Trace::AxisPen(QColor(0, 0, 0, 30*256/100));
42 const int Trace::LabelHitPadding = 2;
44 const int Trace::ColourBGAlpha = 8*256/100;
45 const QColor Trace::BrightGrayBGColour = QColor(0, 0, 0, 10*255/100);
46 const QColor Trace::DarkGrayBGColour = QColor(0, 0, 0, 15*255/100);
48 Trace::Trace(QString name) :
50 coloured_bg_(true), // Default setting is set in MainWindow::setup_ui()
56 QString Trace::name() const
61 void Trace::set_name(QString name)
66 QColor Trace::colour() const
71 void Trace::set_colour(QColor colour)
76 bgcolour_.setAlpha(ColourBGAlpha);
79 void Trace::set_coloured_bg(bool state)
84 void Trace::paint_label(QPainter &p, const QRect &rect, bool hover)
86 const int y = get_visual_y();
93 const QRectF r = label_rect(rect);
96 const float label_arrow_length = r.height() / 2;
97 const QPointF points[] = {
99 QPointF(r.right() - label_arrow_length, r.top()),
100 QPointF(r.right(), y),
101 QPointF(r.right() - label_arrow_length, r.bottom()),
104 const QPointF highlight_points[] = {
105 QPointF(r.left() + 1, r.top() + 1),
106 QPointF(r.right() - label_arrow_length, r.top() + 1),
107 QPointF(r.right() - 1, y),
108 QPointF(r.right() - label_arrow_length, r.bottom() - 1),
109 QPointF(r.left() + 1, r.bottom() - 1)
113 p.setPen(highlight_pen());
114 p.setBrush(Qt::transparent);
115 p.drawPolygon(points, countof(points));
118 p.setPen(Qt::transparent);
119 p.setBrush(hover ? colour_.lighter() : colour_);
120 p.drawPolygon(points, countof(points));
122 p.setPen(colour_.lighter());
123 p.setBrush(Qt::transparent);
124 p.drawPolygon(highlight_points, countof(highlight_points));
126 p.setPen(colour_.darker());
127 p.setBrush(Qt::transparent);
128 p.drawPolygon(points, countof(points));
131 p.setPen(select_text_colour(colour_));
132 p.setFont(QApplication::font());
133 p.drawText(QRectF(r.x(), r.y(),
134 r.width() - label_arrow_length, r.height()),
135 Qt::AlignCenter | Qt::AlignVCenter, name_);
138 QMenu* Trace::create_context_menu(QWidget *parent)
140 QMenu *const menu = ViewItem::create_context_menu(parent);
145 pv::widgets::Popup* Trace::create_popup(QWidget *parent)
147 using pv::widgets::Popup;
149 popup_ = new Popup(parent);
150 popup_->set_position(parent->mapToGlobal(
151 point(parent->rect())), Popup::Right);
155 connect(popup_, SIGNAL(closed()),
156 this, SLOT(on_popup_closed()));
161 QRectF Trace::label_rect(const QRectF &rect) const
163 using pv::view::View;
165 QFontMetrics m(QApplication::font());
166 const QSize text_size(
167 m.boundingRect(QRect(), 0, name_).width(), m.height());
168 const QSizeF label_size(
169 text_size.width() + LabelPadding.width() * 2,
170 ceilf((text_size.height() + LabelPadding.height() * 2) / 2) * 2);
171 const float half_height = label_size.height() / 2;
173 rect.right() - half_height - label_size.width() - 0.5,
174 get_visual_y() + 0.5f - half_height,
175 label_size.width() + half_height,
176 label_size.height());
179 void Trace::paint_back(QPainter &p, const ViewItemPaintParams &pp)
182 p.setBrush(bgcolour_);
184 p.setBrush(bgcolour_state_ ? BrightGrayBGColour : DarkGrayBGColour);
186 p.setPen(QPen(Qt::NoPen));
188 const std::pair<int, int> extents = v_extents();
191 const int y = get_visual_y() + extents.first;
192 const int w = pp.right() - pp.left();
193 const int h = extents.second - extents.first;
195 p.drawRect(x, y, w, h);
198 void Trace::paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y)
200 p.setRenderHint(QPainter::Antialiasing, false);
203 p.drawLine(QPointF(pp.left(), y), QPointF(pp.right(), y));
205 p.setRenderHint(QPainter::Antialiasing, true);
208 void Trace::add_colour_option(QWidget *parent, QFormLayout *form)
210 using pv::widgets::ColourButton;
212 ColourButton *const colour_button = new ColourButton(
213 TracePalette::Rows, TracePalette::Cols, parent);
214 colour_button->set_palette(TracePalette::Colours);
215 colour_button->set_colour(colour_);
216 connect(colour_button, SIGNAL(selected(const QColor&)),
217 this, SLOT(on_colour_changed(const QColor&)));
219 form->addRow(tr("Colour"), colour_button);
222 void Trace::create_popup_form()
226 // Transfer the layout and the child widgets to a temporary widget
227 // which then goes out of scope destroying the layout and all the child
230 QWidget().setLayout(popup_form_);
232 // Repopulate the popup
233 popup_form_ = new QFormLayout(popup_);
234 popup_->setLayout(popup_form_);
235 populate_popup_form(popup_, popup_form_);
238 void Trace::populate_popup_form(QWidget *parent, QFormLayout *form)
240 QLineEdit *const name_edit = new QLineEdit(parent);
241 name_edit->setText(name_);
242 connect(name_edit, SIGNAL(textChanged(const QString&)),
243 this, SLOT(on_text_changed(const QString&)));
244 form->addRow(tr("Name"), name_edit);
246 add_colour_option(parent, form);
249 void Trace::on_popup_closed()
252 popup_form_ = nullptr;
255 void Trace::on_text_changed(const QString &text)
260 owner_->extents_changed(true, false);
263 void Trace::on_colour_changed(const QColor &colour)
268 owner_->row_item_appearance_changed(true, true);