Continues migration with DDS, Common

Lts/Common/LtsWidgets/lts_bitfield_widget.cpp

@@ -0,0 +1,129 @@
+
+
+
+#include "lts_bitfield_widget.h"
+
+#include <QPainter>
+
+namespace LtsWidgets
+{
+
+LtsBitfieldWidget::LtsBitfieldWidget(QWidget *parent, quint8 value)
+  : QWidget(parent)
+  , m_value(value)
+{
+  setObjectName(QString::fromUtf8("LtsBitfieldWidget"));
+}
+
+void LtsBitfieldWidget::paintEvent(QPaintEvent *pe)
+{
+  QWidget::paintEvent(pe);
+
+  QPainter painter;
+  painter.begin(this);
+  painter.setPen(Qt::SolidLine);
+
+  if (m_hasCaption)
+  {
+    QFont font = painter.font();
+    font.setPointSizeF( (height()/2.0 > width()/8.0) ? width()/8.0 : height()/2.0 );
+    painter.setFont(font);
+  }
+
+  for (int i = 0; i < 8; ++i)
+  {
+    QRectF bitGraphic;
+
+    bitGraphic.setLeft(width() / 8.0 * i);
+    bitGraphic.setWidth((width() / 8.0) - 1);
+    bitGraphic.setHeight(height() - 1);
+
+    bool bitVal = (m_value & (1 << (7 - i))) > 0;
+
+    painter.fillRect(bitGraphic, QBrush(bitVal ? m_onColor : m_offColor, Qt::SolidPattern));
+
+    if (m_hasCaption)
+    {
+      painter.setPen(bitVal ? m_offColor : m_onColor);
+      painter.drawText(bitGraphic, Qt::AlignCenter, bitVal ? QStringLiteral("1") : QStringLiteral("0"));
+    }
+
+    painter.setPen(Qt::gray);
+    painter.drawRect(bitGraphic);
+  } 
+
+  painter.end();
+}
+
+void LtsBitfieldWidget::setHasCaption(bool hasCaption)
+{
+  if (m_hasCaption == hasCaption)
+    return;
+
+  m_hasCaption = hasCaption;
+  repaint();
+
+  emit hasCaptionChanged(hasCaption);
+}
+
+void LtsBitfieldWidget::setOnColor(const QColor &onColor)
+{
+  if (m_onColor == onColor)
+    return;
+
+  m_onColor = onColor;
+  repaint();
+}
+
+void LtsBitfieldWidget::setOffColor(const QColor &offColor)
+{
+  if (m_offColor == offColor)
+    return;
+
+  m_offColor = offColor;
+  repaint();
+}
+
+void LtsBitfieldWidget::mousePressEvent(QMouseEvent *event)
+{
+  if (!m_isEditable)
+  {
+    QWidget::mousePressEvent(event);
+    return;
+  }
+
+  for (int i = 0; i < 8; ++i)
+  {
+    if (event->pos().x() > width()/8 * i &&
+        event->pos().x() < width()/8 * (i + 1))
+    {
+      m_value ^= (1 << (7 - i));
+      emit valueChanged(m_value);
+      break;
+    }
+  }
+  repaint();
+}
+
+void LtsBitfieldWidget::setEditable(bool editable)
+{
+  if (m_isEditable == editable)
+    return;
+
+  m_isEditable = editable;
+
+  emit isEditableChanged(m_isEditable);
+}
+
+void LtsBitfieldWidget::setValue(quint8 value)
+{
+  if (m_value == value)
+    return;
+
+  m_value = value;
+  repaint();
+
+  emit valueChanged(m_value);
+}
+
+}