+++ /dev/null
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <extdef.h>
-
-#include <cassert>
-#include <cmath>
-
-#include <QApplication>
-#include <QFormLayout>
-#include <QKeyEvent>
-#include <QLineEdit>
-
-#include "trace.hpp"
-#include "tracepalette.hpp"
-#include "view.hpp"
-
-#include "pv/globalsettings.hpp"
-#include "pv/widgets/colourbutton.hpp"
-#include "pv/widgets/popup.hpp"
-
-using std::pair;
-using std::shared_ptr;
-
-namespace pv {
-namespace views {
-namespace TraceView {
-
-const QPen Trace::AxisPen(QColor(0, 0, 0, 30 * 256 / 100));
-const int Trace::LabelHitPadding = 2;
-
-const QColor Trace::BrightGrayBGColour = QColor(0, 0, 0, 10 * 255 / 100);
-const QColor Trace::DarkGrayBGColour = QColor(0, 0, 0, 15 * 255 / 100);
-
-Trace::Trace(shared_ptr<data::SignalBase> channel) :
- base_(channel),
- popup_(nullptr),
- popup_form_(nullptr)
-{
- connect(channel.get(), SIGNAL(name_changed(const QString&)),
- this, SLOT(on_name_changed(const QString&)));
- connect(channel.get(), SIGNAL(colour_changed(const QColor&)),
- this, SLOT(on_colour_changed(const QColor&)));
-}
-
-shared_ptr<data::SignalBase> Trace::base() const
-{
- return base_;
-}
-
-void Trace::paint_label(QPainter &p, const QRect &rect, bool hover)
-{
- const int y = get_visual_y();
-
- p.setBrush(base_->colour());
-
- if (!enabled())
- return;
-
- const QRectF r = label_rect(rect);
-
- // When selected, move the arrow to the left so that the border can show
- const QPointF offs = (selected()) ? QPointF(-2, 0) : QPointF(0, 0);
-
- // Paint the label
- const float label_arrow_length = r.height() / 2;
- QPointF points[] = {
- offs + r.topLeft(),
- offs + QPointF(r.right() - label_arrow_length, r.top()),
- offs + QPointF(r.right(), y),
- offs + QPointF(r.right() - label_arrow_length, r.bottom()),
- offs + r.bottomLeft()
- };
- QPointF highlight_points[] = {
- offs + QPointF(r.left() + 1, r.top() + 1),
- offs + QPointF(r.right() - label_arrow_length, r.top() + 1),
- offs + QPointF(r.right() - 1, y),
- offs + QPointF(r.right() - label_arrow_length, r.bottom() - 1),
- offs + QPointF(r.left() + 1, r.bottom() - 1)
- };
-
- if (selected()) {
- p.setPen(highlight_pen());
- p.setBrush(Qt::transparent);
- p.drawPolygon(points, countof(points));
- }
-
- p.setPen(Qt::transparent);
- p.setBrush(hover ? base_->colour().lighter() : base_->colour());
- p.drawPolygon(points, countof(points));
-
- p.setPen(base_->colour().lighter());
- p.setBrush(Qt::transparent);
- p.drawPolygon(highlight_points, countof(highlight_points));
-
- p.setPen(base_->colour().darker());
- p.setBrush(Qt::transparent);
- p.drawPolygon(points, countof(points));
-
- // Paint the text
- p.setPen(select_text_colour(base_->colour()));
- p.setFont(QApplication::font());
- p.drawText(QRectF(r.x(), r.y(),
- r.width() - label_arrow_length, r.height()),
- Qt::AlignCenter | Qt::AlignVCenter, base_->name());
-}
-
-QMenu* Trace::create_context_menu(QWidget *parent)
-{
- QMenu *const menu = ViewItem::create_context_menu(parent);
-
- return menu;
-}
-
-pv::widgets::Popup* Trace::create_popup(QWidget *parent)
-{
- using pv::widgets::Popup;
-
- popup_ = new Popup(parent);
- popup_->set_position(parent->mapToGlobal(
- point(parent->rect())), Popup::Right);
-
- create_popup_form();
-
- connect(popup_, SIGNAL(closed()), this, SLOT(on_popup_closed()));
-
- return popup_;
-}
-
-QRectF Trace::label_rect(const QRectF &rect) const
-{
- QFontMetrics m(QApplication::font());
- const QSize text_size(
- m.boundingRect(QRect(), 0, base_->name()).width(), m.height());
- const QSizeF label_size(
- text_size.width() + LabelPadding.width() * 2,
- ceilf((text_size.height() + LabelPadding.height() * 2) / 2) * 2);
- const float half_height = label_size.height() / 2;
- return QRectF(
- rect.right() - half_height - label_size.width() - 0.5,
- get_visual_y() + 0.5f - half_height,
- label_size.width() + half_height,
- label_size.height());
-}
-
-void Trace::paint_back(QPainter &p, ViewItemPaintParams &pp)
-{
- const View *view = owner_->view();
- assert(view);
-
- if (view->coloured_bg())
- p.setBrush(base_->bgcolour());
- else
- p.setBrush(pp.next_bg_colour_state() ? BrightGrayBGColour : DarkGrayBGColour);
-
- p.setPen(QPen(Qt::NoPen));
-
- const pair<int, int> extents = v_extents();
- p.drawRect(pp.left(), get_visual_y() + extents.first,
- pp.width(), extents.second - extents.first);
-}
-
-void Trace::paint_axis(QPainter &p, ViewItemPaintParams &pp, int y)
-{
- p.setRenderHint(QPainter::Antialiasing, false);
-
- p.setPen(AxisPen);
- p.drawLine(QPointF(pp.left(), y), QPointF(pp.right(), y));
-
- p.setRenderHint(QPainter::Antialiasing, true);
-}
-
-void Trace::add_colour_option(QWidget *parent, QFormLayout *form)
-{
- using pv::widgets::ColourButton;
-
- ColourButton *const colour_button = new ColourButton(
- TracePalette::Rows, TracePalette::Cols, parent);
- colour_button->set_palette(TracePalette::Colours);
- colour_button->set_colour(base_->colour());
- connect(colour_button, SIGNAL(selected(const QColor&)),
- this, SLOT(on_colouredit_changed(const QColor&)));
-
- form->addRow(tr("Colour"), colour_button);
-}
-
-void Trace::create_popup_form()
-{
- // Clear the layout
-
- // Transfer the layout and the child widgets to a temporary widget
- // which we delete after the event was handled. This way, the layout
- // and all widgets contained therein are deleted after the event was
- // handled, leaving the parent popup_ time to handle the change.
- if (popup_form_) {
- QWidget *suicidal = new QWidget();
- suicidal->setLayout(popup_form_);
- suicidal->deleteLater();
- }
-
- // Repopulate the popup
- popup_form_ = new QFormLayout(popup_);
- popup_->setLayout(popup_form_);
- populate_popup_form(popup_, popup_form_);
-}
-
-void Trace::populate_popup_form(QWidget *parent, QFormLayout *form)
-{
- QLineEdit *const name_edit = new QLineEdit(parent);
- name_edit->setText(base_->name());
- connect(name_edit, SIGNAL(textChanged(const QString&)),
- this, SLOT(on_nameedit_changed(const QString&)));
- form->addRow(tr("Name"), name_edit);
-
- add_colour_option(parent, form);
-}
-
-void Trace::set_name(QString name)
-{
- base_->set_name(name);
-}
-
-void Trace::set_colour(QColor colour)
-{
- base_->set_colour(colour);
-}
-
-void Trace::on_name_changed(const QString &text)
-{
- /* This event handler is called by SignalBase when the name was changed there */
- (void)text;
-
- if (owner_) {
- owner_->extents_changed(true, false);
- owner_->row_item_appearance_changed(true, false);
- }
-}
-
-void Trace::on_colour_changed(const QColor &colour)
-{
- /* This event handler is called by SignalBase when the colour was changed there */
- (void)colour;
-
- if (owner_)
- owner_->row_item_appearance_changed(true, true);
-}
-
-void Trace::on_popup_closed()
-{
- popup_ = nullptr;
- popup_form_ = nullptr;
-}
-
-void Trace::on_nameedit_changed(const QString &name)
-{
- /* This event handler notifies SignalBase that the name changed */
- set_name(name);
-}
-
-void Trace::on_colouredit_changed(const QColor &colour)
-{
- /* This event handler notifies SignalBase that the colour changed */
- set_colour(colour);
-}
-
-} // namespace TraceView
-} // namespace views
-} // namespace pv
projects / pulseview.git / blobdiff