#include <assert.h>
#include <math.h>
-#include "trace.h"
-#include "view.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(pv::SigSession &session, QString name) :
- _session(session),
- _name(name),
- _v_offset(0)
+Trace::Trace(QString name) :
+ name_(name),
+ popup_(NULL),
+ popup_form_(NULL)
{
}
-QString Trace::get_name() const
+QString Trace::name() const
{
- return _name;
+ return name_;
}
void Trace::set_name(QString name)
{
- _name = name;
+ name_ = name;
}
-QColor Trace::get_colour() const
+QColor Trace::colour() const
{
- return _colour;
+ 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;
+ colour_ = colour;
}
void Trace::paint_label(QPainter &p, int right, bool hover)
{
- assert(_view);
- const int y = _v_offset - _view->v_offset();
+ const int y = get_visual_y();
- p.setBrush(_colour);
+ p.setBrush(colour_);
if (!enabled())
return;
- const QColor colour = get_colour();
-
- compute_text_size(p);
- const QRectF label_rect = get_label_rect(right);
+ const QRectF r = label_rect(right);
// Paint the label
+ const float label_arrow_length = r.height() / 2;
const QPointF points[] = {
- label_rect.topLeft(),
- label_rect.topRight(),
- QPointF(right, y),
- label_rect.bottomRight(),
- label_rect.bottomLeft()
+ 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(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)
+ 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(Qt::transparent);
- p.setBrush(hover ? colour.lighter() : colour);
+ p.setBrush(hover ? colour_.lighter() : colour_);
p.drawPolygon(points, countof(points));
- p.setPen(colour.lighter());
+ p.setPen(colour_.lighter());
p.setBrush(Qt::transparent);
p.drawPolygon(highlight_points, countof(highlight_points));
- p.setPen(colour.darker());
+ p.setPen(colour_.darker());
p.setBrush(Qt::transparent);
p.drawPolygon(points, countof(points));
// Paint the text
- p.setPen((colour.lightness() > 64) ? Qt::black : Qt::white);
- p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name);
+ p.setPen(get_text_colour());
+ p.setFont(QApplication::font());
+ p.drawText(QRectF(r.x(), r.y(),
+ r.width() - label_arrow_length, r.height()),
+ Qt::AlignCenter | Qt::AlignVCenter, name_);
}
-bool Trace::pt_in_label_rect(int left, int right, const QPoint &point)
+QMenu* Trace::create_context_menu(QWidget *parent)
{
- (void)left;
+ QMenu *const menu = SelectableItem::create_context_menu(parent);
- const QRectF label = get_label_rect(right);
- return QRectF(
- QPointF(label.left() - LabelHitPadding,
- label.top() - LabelHitPadding),
- QPointF(right, label.bottom() + LabelHitPadding)
- ).contains(point);
+ return menu;
}
-void Trace::compute_text_size(QPainter &p)
+pv::widgets::Popup* Trace::create_popup(QWidget *parent)
{
- _text_size = QSize(
- p.boundingRect(QRectF(), 0, _name).width(),
- p.boundingRect(QRectF(), 0, "Tg").height());
+ using pv::widgets::Popup;
+
+ popup_ = new Popup(parent);
+
+ create_popup_form();
+
+ connect(popup_, SIGNAL(closed()),
+ this, SLOT(on_popup_closed()));
+
+ return popup_;
}
-QRectF Trace::get_label_rect(int right)
+QRectF Trace::label_rect(int right) const
{
using pv::view::View;
- assert(_view);
- const int y = _v_offset - _view->v_offset();
-
+ 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;
+ 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(
- right - label_arrow_length - label_size.width() - 0.5,
- y + 0.5f - label_size.height() / 2,
- label_size.width(), label_size.height());
+ right - half_height - label_size.width() - 0.5,
+ get_visual_y() + 0.5f - half_height,
+ label_size.width() + half_height,
+ 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_);
+ 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_->appearance_changed(true, false);
}
} // namespace view