+++ /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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <extdef.h>
-
-#include <assert.h>
-#include <math.h>
-
-#include <QApplication>
-#include <QFormLayout>
-#include <QKeyEvent>
-#include <QLineEdit>
-
-#include "trace.hpp"
-#include "tracepalette.hpp"
-#include "view.hpp"
-
-#include <pv/widgets/colourbutton.hpp>
-#include <pv/widgets/popup.hpp>
-
-namespace pv {
-namespace view {
-
-const QPen Trace::AxisPen(QColor(128, 128, 128, 64));
-const int Trace::LabelHitPadding = 2;
-
-Trace::Trace(QString name) :
- name_(name),
- popup_(NULL),
- popup_form_(NULL)
-{
-}
-
-QString Trace::name() const
-{
- return name_;
-}
-
-void Trace::set_name(QString name)
-{
- name_ = name;
-}
-
-QColor Trace::colour() const
-{
- return colour_;
-}
-
-void Trace::set_colour(QColor colour)
-{
- colour_ = colour;
-}
-
-void Trace::paint_label(QPainter &p, const QRect &rect, bool hover)
-{
- const int y = get_visual_y();
-
- p.setBrush(colour_);
-
- if (!enabled())
- return;
-
- const QRectF r = label_rect(rect);
-
- // Paint the label
- const float label_arrow_length = r.height() / 2;
- const QPointF points[] = {
- r.topLeft(),
- QPointF(r.right() - label_arrow_length, r.top()),
- QPointF(r.right(), y),
- QPointF(r.right() - label_arrow_length, r.bottom()),
- r.bottomLeft()
- };
- const QPointF highlight_points[] = {
- QPointF(r.left() + 1, r.top() + 1),
- QPointF(r.right() - label_arrow_length, r.top() + 1),
- QPointF(r.right() - 1, y),
- QPointF(r.right() - label_arrow_length, r.bottom() - 1),
- 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 ? colour_.lighter() : colour_);
- p.drawPolygon(points, countof(points));
-
- p.setPen(colour_.lighter());
- p.setBrush(Qt::transparent);
- p.drawPolygon(highlight_points, countof(highlight_points));
-
- p.setPen(colour_.darker());
- p.setBrush(Qt::transparent);
- p.drawPolygon(points, countof(points));
-
- // Paint the text
- p.setPen(select_text_colour(colour_));
- p.setFont(QApplication::font());
- p.drawText(QRectF(r.x(), r.y(),
- r.width() - label_arrow_length, r.height()),
- Qt::AlignCenter | Qt::AlignVCenter, 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);
-
- create_popup_form();
-
- connect(popup_, SIGNAL(closed()),
- this, SLOT(on_popup_closed()));
-
- return popup_;
-}
-
-QRectF Trace::label_rect(const QRectF &rect) const
-{
- using pv::view::View;
-
- QFontMetrics m(QApplication::font());
- const QSize text_size(
- m.boundingRect(QRect(), 0, name_).width(),
- m.boundingRect(QRect(), 0, "Tg").height());
- const QSizeF label_size(
- text_size.width() + View::LabelPadding.width() * 2,
- ceilf((text_size.height() + View::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_axis(QPainter &p, const ViewItemPaintParams &pp, int y)
-{
- p.setPen(AxisPen);
- p.drawLine(QPointF(pp.left(), y + 0.5f), QPointF(pp.right(), y + 0.5f));
-}
-
-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(colour_);
- connect(colour_button, SIGNAL(selected(const QColor&)),
- this, SLOT(on_colour_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 then goes out of scope destroying the layout and all the child
- // widgets.
- if (popup_form_)
- QWidget().setLayout(popup_form_);
-
- // 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(name_);
- connect(name_edit, SIGNAL(textChanged(const QString&)),
- this, SLOT(on_text_changed(const QString&)));
- form->addRow(tr("Name"), name_edit);
-
- add_colour_option(parent, form);
-}
-
-void Trace::on_popup_closed()
-{
- popup_ = NULL;
- popup_form_ = NULL;
-}
-
-void Trace::on_text_changed(const QString &text)
-{
- set_name(text);
-
- if (owner_)
- owner_->extents_changed(true, false);
-}
-
-void Trace::on_colour_changed(const QColor &colour)
-{
- set_colour(colour);
-
- if (owner_)
- owner_->row_item_appearance_changed(true, false);
-}
-
-} // namespace view
-} // namespace pv
projects / pulseview.git / blobdiff