]> sigrok.org Git - pulseview.git/blobdiff - pv/view/signal.cpp
Implement "use coloured background" functionality
[pulseview.git] / pv / view / signal.cpp
index ab1426e0ed08d548e11157cfb074971c422e00f2..09a6da8f17a3d7b9b2377cfa0dc1a251e454edde 100644 (file)
 #include <extdef.h>
 
 #include <assert.h>
-#include <math.h>
+#include <cmath>
 
 #include <QApplication>
+#include <QFormLayout>
+#include <QKeyEvent>
+#include <QLineEdit>
+#include <QMenu>
 
-#include "signal.h"
-#include "view.h"
+#include <libsigrokcxx/libsigrokcxx.hpp>
 
-namespace pv {
-namespace view {
+#include "signal.hpp"
+#include "view.hpp"
+
+using std::shared_ptr;
+using std::make_shared;
 
-const int Signal::LabelHitPadding = 2;
+using sigrok::Channel;
 
-const QPen Signal::SignalAxisPen(QColor(128, 128, 128, 64));
+namespace pv {
+namespace view {
 
-const char *const ProbeNames[] = {
+const char *const ChannelNames[] = {
        "CLK",
        "DATA",
        "IN",
        "OUT",
        "RST",
-       "Tx",
-       "Rx",
+       "TX",
+       "RX",
        "EN",
        "SCLK",
        "MOSI",
@@ -52,157 +59,108 @@ const char *const ProbeNames[] = {
        "SCL"
 };
 
-Signal::Signal(pv::SigSession &session, const sr_probe *const probe) :
-       _session(session),
-       _probe(probe),
-       _name(probe->name),
-       _v_offset(0),
-       _name_action(NULL),
-       _name_widget(),
-       _updating_name_widget(false)
+Signal::Signal(pv::Session &session,
+       std::shared_ptr<sigrok::Channel> channel) :
+       Trace(QString::fromUtf8(channel->name().c_str())),
+       session_(session),
+       channel_(channel),
+       scale_handle_(make_shared<SignalScaleHandle>(*this)),
+       items_({scale_handle_}),
+       name_widget_(nullptr),
+       updating_name_widget_(false)
 {
-       assert(_probe);
-
-       _name_action.setDefaultWidget(&_name_widget);
-
-       _name_widget.setEditable(true);
-       for(unsigned int i = 0; i < countof(ProbeNames); i++)
-               _name_widget.insertItem(i, ProbeNames[i]);
-       _name_widget.setEditText(probe->name);
-
-       connect(&_name_widget, SIGNAL(editTextChanged(const QString&)),
-               this, SLOT(on_text_changed(const QString&)));
+       assert(channel_);
 }
 
-QString Signal::get_name() const
+void Signal::set_name(QString name)
 {
-       return _name;
+       Trace::set_name(name);
+       updating_name_widget_ = true;
+       name_widget_->setEditText(name);
+       updating_name_widget_ = false;
+
+       // Store the channel name in sigrok::Channel so that it
+       // will end up in the .sr file upon save.
+       channel_->set_name(name.toUtf8().constData());
 }
 
-void Signal::set_name(QString name)
+bool Signal::enabled() const
 {
-       _name = name;
-       _updating_name_widget = true;
-       _name_widget.setEditText(name);
-       _updating_name_widget = false;
+       return channel_->enabled();
 }
 
-QColor Signal::get_colour() const
+void Signal::enable(bool enable)
 {
-       return _colour;
+       channel_->set_enabled(enable);
+
+       if (owner_)
+               owner_->extents_changed(true, true);
 }
 
-void Signal::set_colour(QColor colour)
+shared_ptr<Channel> Signal::channel() const
 {
-       _colour = colour;
+       return channel_;
 }
 
-int Signal::get_v_offset() const
+const ViewItemOwner::item_list& Signal::child_items() const
 {
-       return _v_offset;
+       return items_;
 }
 
-void Signal::set_v_offset(int v_offset)
+void Signal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
 {
-       _v_offset = v_offset;
+       if (channel_->enabled())
+               Trace::paint_back(p, pp);
 }
 
-void Signal::paint_label(QPainter &p, int y, int right, bool hover)
+void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
 {
-       p.setBrush(_colour);
-
-       if (!_probe->enabled)
-               return;
-
-       const QColor colour = get_colour();
-
-       compute_text_size(p);
-       const QRectF label_rect = get_label_rect(y, 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));
-       }
+       name_widget_ = new QComboBox(parent);
+       name_widget_->setEditable(true);
+       name_widget_->setCompleter(0);
 
-       p.setPen(Qt::transparent);
-       p.setBrush(hover ? colour.lighter() : colour);
-       p.drawPolygon(points, countof(points));
+       for (unsigned int i = 0; i < countof(ChannelNames); i++)
+               name_widget_->insertItem(i, ChannelNames[i]);
 
-       p.setPen(colour.lighter());
-       p.setBrush(Qt::transparent);
-       p.drawPolygon(highlight_points, countof(highlight_points));
+       const int index = name_widget_->findText(name_, Qt::MatchExactly);
 
-       p.setPen(colour.darker());
-       p.setBrush(Qt::transparent);
-       p.drawPolygon(points, countof(points));
+       if (index == -1) {
+               name_widget_->insertItem(0, name_);
+               name_widget_->setCurrentIndex(0);
+       } else {
+               name_widget_->setCurrentIndex(index);
+       }
 
-       // Paint the text
-       p.setPen((colour.lightness() > 64) ? Qt::black : Qt::white);
-       p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name);
-}
+       connect(name_widget_, SIGNAL(editTextChanged(const QString&)),
+               this, SLOT(on_text_changed(const QString&)));
 
-bool Signal::pt_in_label_rect(int y, int left, int right,
-       const QPoint &point)
-{
-       (void)left;
-
-       const QRectF label = get_label_rect(y, right);
-       return QRectF(
-               QPointF(label.left() - LabelHitPadding,
-                       label.top() - LabelHitPadding),
-               QPointF(right, label.bottom() + LabelHitPadding)
-                       ).contains(point);
-}
+       form->addRow(tr("Name"), name_widget_);
 
-void Signal::paint_axis(QPainter &p, int y, int left, int right)
-{
-       p.setPen(SignalAxisPen);
-       p.drawLine(QPointF(left, y + 0.5f), QPointF(right, y + 0.5f));
+       add_colour_option(parent, form);
 }
 
-void Signal::compute_text_size(QPainter &p)
+QMenu* Signal::create_context_menu(QWidget *parent)
 {
-       _text_size = QSize(
-               p.boundingRect(QRectF(), 0, _name).width(),
-               p.boundingRect(QRectF(), 0, "Tg").height());
+       QMenu *const menu = Trace::create_context_menu(parent);
+
+       menu->addSeparator();
+
+       QAction *const disable = new QAction(tr("Disable"), this);
+       disable->setShortcuts(QKeySequence::Delete);
+       connect(disable, SIGNAL(triggered()), this, SLOT(on_disable()));
+       menu->addAction(disable);
+
+       return menu;
 }
 
-QRectF Signal::get_label_rect(int y, int right)
+void Signal::delete_pressed()
 {
-       using pv::view::View;
-
-       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,
-               y + 0.5f - label_size.height() / 2,
-               label_size.width(), label_size.height());
+       on_disable();
 }
 
-void Signal::on_text_changed(const QString &text)
+void Signal::on_disable()
 {
-       _name = text;
-       text_changed();
+       enable(false);
 }
 
 } // namespace view