+++ /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.h"
-#include "tracepalette.h"
-#include "view.h"
-
-#include <pv/widgets/colourbutton.h>
-#include <pv/widgets/popup.h>
-
-namespace pv {
-namespace view {
-
-const QPen Trace::AxisPen(QColor(128, 128, 128, 64));
-const int Trace::LabelHitPadding = 2;
-
-Trace::Trace(QString name) :
- _name(name),
- _v_offset(0),
- _popup(NULL),
- _popup_form(NULL)
-{
-}
-
-QString Trace::get_name() const
-{
- return _name;
-}
-
-void Trace::set_name(QString name)
-{
- _name = name;
-}
-
-QColor Trace::get_colour() const
-{
- return _colour;
-}
-
-void Trace::set_colour(QColor colour)
-{
- _colour = colour;
-}
-
-int Trace::get_v_offset() const
-{
- return _v_offset;
-}
-
-void Trace::set_v_offset(int v_offset)
-{
- _v_offset = v_offset;
-}
-
-void Trace::set_view(pv::view::View *view)
-{
- assert(view);
- _view = view;
-}
-
-void Trace::paint_back(QPainter &p, int left, int right)
-{
- (void)p;
- (void)left;
- (void)right;
-}
-
-void Trace::paint_mid(QPainter &p, int left, int right)
-{
- (void)p;
- (void)left;
- (void)right;
-}
-
-void Trace::paint_fore(QPainter &p, int left, int right)
-{
- (void)p;
- (void)left;
- (void)right;
-}
-
-void Trace::paint_label(QPainter &p, int right, bool hover)
-{
- assert(_view);
- const int y = _v_offset - _view->v_offset();
-
- p.setBrush(_colour);
-
- if (!enabled())
- return;
-
- const QColor colour = get_colour();
-
- const QRectF label_rect = get_label_rect(right);
-
- // Paint the label
- const QPointF points[] = {
- label_rect.topLeft(),
- label_rect.topRight(),
- QPointF(right, y),
- label_rect.bottomRight(),
- label_rect.bottomLeft()
- };
-
- const QPointF highlight_points[] = {
- QPointF(label_rect.left() + 1, label_rect.top() + 1),
- QPointF(label_rect.right(), label_rect.top() + 1),
- QPointF(right - 1, y),
- QPointF(label_rect.right(), label_rect.bottom() - 1),
- QPointF(label_rect.left() + 1, label_rect.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(get_text_colour());
- p.setFont(QApplication::font());
- p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name);
-}
-
-bool Trace::pt_in_label_rect(int left, int right, const QPoint &point)
-{
- (void)left;
-
- const QRectF label = get_label_rect(right);
- return enabled() && QRectF(
- QPointF(label.left() - LabelHitPadding,
- label.top() - LabelHitPadding),
- QPointF(right, label.bottom() + LabelHitPadding)
- ).contains(point);
-}
-
-QMenu* Trace::create_context_menu(QWidget *parent)
-{
- QMenu *const menu = SelectableItem::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;
-}
-
-int Trace::get_y() const
-{
- return _v_offset - _view->v_offset();
-}
-
-QRectF Trace::get_label_rect(int right)
-{
- using pv::view::View;
-
- assert(_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 label_arrow_length = label_size.height() / 2;
- return QRectF(
- right - label_arrow_length - label_size.width() - 0.5,
- get_y() + 0.5f - label_size.height() / 2,
- label_size.width(), label_size.height());
-}
-
-QColor Trace::get_text_colour() const
-{
- return (_colour.lightness() > 64) ? Qt::black : Qt::white;
-}
-
-void Trace::paint_axis(QPainter &p, int y, int left, int right)
-{
- p.setPen(AxisPen);
- p.drawLine(QPointF(left, y + 0.5f), QPointF(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);
- name_edit->selectAll();
- name_edit->setFocus();
- 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);
- text_changed();
-}
-
-void Trace::on_colour_changed(const QColor &colour)
-{
- set_colour(colour);
- colour_changed();
-}
-
-} // namespace view
-} // namespace pv
projects / pulseview.git / blobdiff