Add a spin box widget for timestamp values
[pulseview.git] / pv / view / timemarker.cpp
index 6571bea95c0eac9e6c98c3fca0f27bb9511a5c79..8c136a18189285e3a965af58e49ad0642f002b87 100644 (file)
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <algorithm>
+
+#include <extdef.h>
+
 #include "timemarker.hpp"
 
 #include "view.hpp"
 #include "timemarker.hpp"
 
 #include "view.hpp"
+#include "pv/widgets/timestampspinbox.hpp"
 
 
+#include <QApplication>
 #include <QFormLayout>
 #include <QFormLayout>
+#include <QFontMetrics>
 #include <QPainter>
 
 #include <pv/widgets/popup.hpp>
 
 #include <QPainter>
 
 #include <pv/widgets/popup.hpp>
 
+using std::max;
+using std::min;
+
 namespace pv {
 namespace view {
 
 namespace pv {
 namespace view {
 
-TimeMarker::TimeMarker(View &view, const QColor &colour, double time) :
-       view_(view),
+const int TimeMarker::ArrowSize = 4;
+
+TimeMarker::TimeMarker(
+       View &view, const QColor &colour, const pv::util::Timestamp& time) :
+       TimeItem(view),
        colour_(colour),
        time_(time),
        colour_(colour),
        time_(time),
-       value_action_(NULL),
-       value_widget_(NULL),
+       value_action_(nullptr),
+       value_widget_(nullptr),
        updating_value_widget_(false)
 {
 }
 
        updating_value_widget_(false)
 {
 }
 
-double TimeMarker::time() const
+const pv::util::Timestamp& TimeMarker::time() const
 {
        return time_;
 }
 
 {
        return time_;
 }
 
+void TimeMarker::set_time(const pv::util::Timestamp& time)
+{
+       time_ = time;
+
+       if (value_widget_) {
+               updating_value_widget_ = true;
+               value_widget_->setValue(time);
+               updating_value_widget_ = false;
+       }
+
+       view_.time_item_appearance_changed(true, true);
+}
+
 float TimeMarker::get_x() const
 {
 float TimeMarker::get_x() const
 {
-       return (time_ - view_.offset()) / view_.scale();
+       return ((time_ - view_.offset()) / view_.scale()).convert_to<float>();
 }
 
 }
 
-QPoint TimeMarker::point() const
+QPoint TimeMarker::point(const QRect &rect) const
 {
 {
-       return QPoint(get_x(), 0);
+       return QPoint(get_x(), rect.bottom());
 }
 
 }
 
-void TimeMarker::set_time(double time)
+QRectF TimeMarker::label_rect(const QRectF &rect) const
 {
 {
-       time_ = time;
+       QFontMetrics m(QApplication::font());
+       const QSizeF text_size(
+               max(m.boundingRect(get_text()).size().width(), ArrowSize),
+               m.height());
+       const QSizeF label_size(text_size + LabelPadding * 2);
+       const float top = rect.height() - label_size.height() -
+               TimeMarker::ArrowSize - 0.5f;
+       const float x = get_x();
 
 
-       if (value_widget_) {
-               updating_value_widget_ = true;
-               value_widget_->setValue(time);
-               updating_value_widget_ = false;
+       return QRectF(QPointF(x - label_size.width() / 2, top), label_size);
+}
+
+QRectF TimeMarker::hit_box_rect(const QRectF &rect) const
+{
+       const float x = get_x();
+       const float h = QFontMetrics(QApplication::font()).height();
+       return QRectF(x - h / 2.0f, rect.top(), h, rect.height());
+}
+
+void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover)
+{
+       if (!enabled())
+               return;
+
+       const qreal x = ((time_ - view_.offset()) / view_.scale()).convert_to<qreal>();
+       const QRectF r(label_rect(rect));
+
+       const QPointF points[] = {
+               r.topLeft(),
+               r.bottomLeft(),
+               QPointF(max(r.left(), x - ArrowSize), r.bottom()),
+               QPointF(x, rect.bottom()),
+               QPointF(min(r.right(), x + ArrowSize), r.bottom()),
+               r.bottomRight(),
+               r.topRight()
+       };
+
+       const QPointF highlight_points[] = {
+               QPointF(r.left() + 1, r.top() + 1),
+               QPointF(r.left() + 1, r.bottom() - 1),
+               QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1),
+               QPointF(min(max(r.left() + 1, x), r.right() - 1),
+                       rect.bottom() - 1),
+               QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1),
+               QPointF(r.right() - 1, r.bottom() - 1),
+               QPointF(r.right() - 1, r.top() + 1),
+       };
+
+       if (selected()) {
+               p.setPen(highlight_pen());
+               p.setBrush(Qt::transparent);
+               p.drawPolygon(points, countof(points));
        }
 
        }
 
-       time_changed();
+       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));
+
+       p.setPen(select_text_colour(colour_));
+       p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text());
 }
 
 }
 
-void TimeMarker::paint(QPainter &p, const QRect &rect)
+void TimeMarker::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
 {
 {
+       if (!enabled())
+               return;
+
        const float x = get_x();
        const float x = get_x();
-       p.setPen(colour_);
-       p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom()));
+       p.setPen(colour_.darker());
+       p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom()));
 }
 
 pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
 }
 
 pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
@@ -80,30 +168,27 @@ pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
        using pv::widgets::Popup;
 
        Popup *const popup = new Popup(parent);
        using pv::widgets::Popup;
 
        Popup *const popup = new Popup(parent);
+       popup->set_position(parent->mapToGlobal(
+               point(parent->rect())), Popup::Bottom);
+
        QFormLayout *const form = new QFormLayout(popup);
        popup->setLayout(form);
 
        QFormLayout *const form = new QFormLayout(popup);
        popup->setLayout(form);
 
-       value_widget_ = new QDoubleSpinBox(parent);
-       value_widget_->setDecimals(9);
-       value_widget_->setSuffix("s");
-       value_widget_->setSingleStep(1e-6);
-       value_widget_->setRange(-1.0e9, 1.0e9);
+       value_widget_ = new pv::widgets::TimestampSpinBox(parent);
        value_widget_->setValue(time_);
 
        value_widget_->setValue(time_);
 
-       connect(value_widget_, SIGNAL(valueChanged(double)),
-               this, SLOT(on_value_changed(double)));
+       connect(value_widget_, SIGNAL(valueChanged(const pv::util::Timestamp&)),
+               this, SLOT(on_value_changed(const pv::util::Timestamp&)));
 
        form->addRow(tr("Time"), value_widget_);
 
        return popup;
 }
 
 
        form->addRow(tr("Time"), value_widget_);
 
        return popup;
 }
 
-void TimeMarker::on_value_changed(double value)
+void TimeMarker::on_value_changed(const pv::util::Timestamp& value)
 {
 {
-       if (!updating_value_widget_) {
-               time_ = value;
-               time_changed();
-       }
+       if (!updating_value_widget_)
+               set_time(value);
 }
 
 } // namespace view
 }
 
 } // namespace view