DecodeTrace: Removed set_view

[pulseview.git] / pv / view / trace.cpp

diff --git a/pv/view/trace.cpp b/pv/view/trace.cpp
index d06c24b5e63ed98d98a7f190851ed2667f9d5ccc..1231eae4830b61ccc0429566963408e5bcbd175a 100644 (file)
--- a/pv/view/trace.cpp
+++ b/pv/view/trace.cpp
@@ -23,7 +23,9 @@
 #include <assert.h>
 #include <math.h>
 
+#include <QApplication>
 #include <QFormLayout>
+#include <QKeyEvent>
 #include <QLineEdit>
 
 #include "trace.h"
@@ -31,6 +33,7 @@
 #include "view.h"
 
 #include <pv/widgets/colourbutton.h>
+#include <pv/widgets/popup.h>
 
 namespace pv {
 namespace view {
@@ -38,8 +41,8 @@ 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) :
+       _view(NULL),
        _name(name),
        _v_offset(0),
        _popup(NULL),
@@ -88,8 +91,6 @@ void Trace::paint_back(QPainter &p, int left, int right)
        (void)p;
        (void)left;
        (void)right;
-
-       compute_text_size(p);
 }
 
 void Trace::paint_mid(QPainter &p, int left, int right)
@@ -108,8 +109,7 @@ void Trace::paint_fore(QPainter &p, int left, int right)
 
 void Trace::paint_label(QPainter &p, int right, bool hover)
 {
-       assert(_view);
-       const int y = _v_offset - _view->v_offset();
+       const int y = get_y();
 
        p.setBrush(_colour);
 
@@ -118,24 +118,23 @@ void Trace::paint_label(QPainter &p, int right, bool hover)
 
        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()) {
@@ -158,19 +157,10 @@ void Trace::paint_label(QPainter &p, int right, bool hover)
 
        // Paint the text
        p.setPen(get_text_colour());
-       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 QRectF(
-               QPointF(label.left() - LabelHitPadding,
-                       label.top() - LabelHitPadding),
-               QPointF(right, label.bottom() + LabelHitPadding)
-                       ).contains(point);
+       p.setFont(QApplication::font());
+       p.drawText(QRectF(r.x(), r.y(),
+               r.width() - label_arrow_length, r.height()),
+               Qt::AlignCenter | Qt::AlignVCenter, _name);
 }
 
 QMenu* Trace::create_context_menu(QWidget *parent)
@@ -196,9 +186,33 @@ pv::widgets::Popup* Trace::create_popup(QWidget *parent)
 
 int Trace::get_y() const
 {
+       assert(_view);
        return _v_offset - _view->v_offset();
 }
 
+QRectF Trace::label_rect(int right)
+{
+       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 half_height = label_size.height() / 2;
+       return QRectF(
+               right - half_height - label_size.width() - 0.5,
+               get_y() + 0.5f - half_height,
+               label_size.width() + half_height,
+               label_size.height());
+}
+
+void Trace::hover_point_changed()
+{
+}
+
 QColor Trace::get_text_colour() const
 {
        return (_colour.lightness() > 64) ? Qt::black : Qt::white;
@@ -251,29 +265,6 @@ void Trace::populate_popup_form(QWidget *parent, QFormLayout *form)
        add_colour_option(parent, form);
 }
 
-void Trace::compute_text_size(QPainter &p)
-{
-       _text_size = QSize(
-               p.boundingRect(QRectF(), 0, _name).width(),
-               p.boundingRect(QRectF(), 0, "Tg").height());
-}
-
-QRectF Trace::get_label_rect(int right)
-{
-       using pv::view::View;
-
-       assert(_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,
-               get_y() + 0.5f - label_size.height() / 2,
-               label_size.width(), label_size.height());
-}
-
 void Trace::on_popup_closed()
 {
        _popup = NULL;