#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(pv::SigSession &session, QString name) :
- _session(session),
+Trace::Trace(QString name) :
_name(name),
- _v_offset(0)
+ _popup(NULL),
+ _popup_form(NULL)
{
}
-QString Trace::get_name() const
+QString Trace::name() const
{
return _name;
}
_name = name;
}
-QColor Trace::get_colour() const
+QColor Trace::colour() const
{
return _colour;
}
_colour = colour;
}
-int Trace::get_v_offset() const
-{
- return _v_offset;
-}
-
-void Trace::set_v_offset(int v_offset)
+void Trace::paint_label(QPainter &p, int right, bool hover)
{
- _v_offset = v_offset;
-}
+ const int y = get_y();
-void Trace::paint_label(QPainter &p, int y, int right, bool hover)
-{
p.setBrush(_colour);
if (!enabled())
return;
- const QColor colour = get_colour();
-
- compute_text_size(p);
- const QRectF label_rect = get_label_rect(y, 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 y, 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(y, 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 y, int right)
+QRectF Trace::label_rect(int right) 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 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_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);
+ appearance_changed();
+}
+
+void Trace::on_colour_changed(const QColor &colour)
+{
+ set_colour(colour);
+ appearance_changed();
}
} // namespace view