Add trace zero indicators

Save and restore offsets

clients/tde/src/part/scope/part.cpp

@@ -1344,6 +1344,7 @@ void ScopePart::saveWaveforms() {
 			ds << m_samplesInTrace[traceno];
 			ds << m_voltsDiv[traceno];
 			ds << m_secsDiv[traceno];
+			ds << m_base->traceZoomWidget->traceOffset(traceno-1);
 			ds << m_traceWidget->samples(traceno-1);
 			ds << m_traceWidget->positions(traceno-1);
 		}
@@ -1375,14 +1376,18 @@ void ScopePart::recallWaveforms() {
 					ds >> m_samplesInTrace[traceno];
 					ds >> m_voltsDiv[traceno];
 					ds >> m_secsDiv[traceno];
+					double offset;
 					TQDoubleArray values;
 					TQDoubleArray positions;
+					ds >> offset;
 					ds >> values;
 					ds >> positions;
 					m_traceWidget->setSamples(traceno-1, values);
 					m_traceWidget->setPositions(traceno-1, positions);
+					m_traceWidget->setTraceOffset(traceno-1, offset);
 					m_base->traceZoomWidget->setSamples(traceno-1, values);
 					m_base->traceZoomWidget->setPositions(traceno-1, positions);
+					m_base->traceZoomWidget->setTraceOffset(traceno-1, offset);
 				}
 				for (int cursorno=0; cursorno<5; cursorno++) {
 					double cursorPos;

clients/tde/src/widgets/tracewidget.cpp

@@ -15,6 +15,7 @@
 #include <tqlayout.h>
 
 #include <klocale.h>
+#include <kinputdialog.h>
 
 #define VERIFY_TRACE_ARRAY_SIZE if (traceNumber >= m_traceArray.count()) resizeTraceArray(traceNumber+1);
 #define VERIFY_CURSOR_ARRAY_SIZE if (cursorNumber >= m_cursorArray.count()) resizeCursorArray(cursorNumber+1);
@@ -141,27 +142,36 @@ TraceData::TraceData(TraceWidget* parent, TQWidget* labelParent) : TQObject(), p
 		singleDecrBtn = new TQToolButton(TQt::DownArrow, labelParent);
 		posResetBtn = new TQToolButton(labelParent);
 		posResetBtn->setText("0");
+		posSetBtn = new TQToolButton(labelParent);
+		posSetBtn->setText("M");
 		singleIncrBtn->setFixedSize(16,16);
 		singleDecrBtn->setFixedSize(16,16);
 		posResetBtn->setFixedSize(16,16);
+		posSetBtn->setFixedSize(16,16);
 		singleIncrBtn->setAutoRepeat(true);
 		singleDecrBtn->setAutoRepeat(true);
 		posResetBtn->setAutoRepeat(false);
+		posSetBtn->setAutoRepeat(false);
 		singleIncrBtn->setSizePolicy(TQSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed));
 		singleDecrBtn->setSizePolicy(TQSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed));
 		posResetBtn->setSizePolicy(TQSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed));
+		posSetBtn->setSizePolicy(TQSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed));
 		singleIncrBtn->setPaletteBackgroundColor(labelParent->paletteBackgroundColor());
 		singleIncrBtn->setPaletteForegroundColor(color);
 		singleDecrBtn->setPaletteBackgroundColor(labelParent->paletteBackgroundColor());
 		singleDecrBtn->setPaletteForegroundColor(color);
 		posResetBtn->setPaletteBackgroundColor(labelParent->paletteBackgroundColor());
 		posResetBtn->setPaletteForegroundColor(color);
+		posSetBtn->setPaletteBackgroundColor(labelParent->paletteBackgroundColor());
+		posSetBtn->setPaletteForegroundColor(color);
 		singleIncrBtn->hide();
 		singleDecrBtn->hide();
 		posResetBtn->hide();
+		posSetBtn->hide();
 		connect(singleIncrBtn, SIGNAL(clicked()), this, SLOT(movePosOneTick()));
 		connect(singleDecrBtn, SIGNAL(clicked()), this, SLOT(moveNegOneTick()));
 		connect(posResetBtn, SIGNAL(clicked()), this, SLOT(resetVPosition()));
+		connect(posSetBtn, SIGNAL(clicked()), this, SLOT(setVPosition()));
 	}
 	else {
 		paramLabel = NULL;
@@ -170,6 +180,7 @@ TraceData::TraceData(TraceWidget* parent, TQWidget* labelParent) : TQObject(), p
 		singleIncrBtn = NULL;
 		singleDecrBtn = NULL;
 		posResetBtn = NULL;
+		posSetBtn = NULL;
 	}
 }
 
@@ -178,6 +189,7 @@ TraceData::~TraceData() {
 }
 
 void TraceData::drawTrace(TQPainter* p, int graticule_width, int graticule_height) {
+	p->save();
 	p->setPen(color);
 
 	if ((bottomEdge != topEdge) && (enabled) && (positionArray.count() >= numberOfSamples) && (sampleArray.count() >= numberOfSamples) && (numberOfSamples > 0)) {
@@ -225,7 +237,34 @@ void TraceData::drawTrace(TQPainter* p, int graticule_width, int graticule_heigh
 
 			p->drawLine(x, y, x2, y2);
 		}
+
+		// Draw the zero level indicator
+		int pixel_size = 20;
+		TQFont painterFont = p->font();
+		painterFont.setFamily("Monospace");
+		painterFont.setPixelSize(pixel_size);
+		p->setFont(painterFont);
+		int font_vertical_offset = pixel_size/5;
+		int font_height = p->fontMetrics().boundingRect("→").height();
+
+		x = 0;
+		y = (((offset-topEdge)/(bottomEdge-topEdge))*(graticule_height))+(font_height/2)-(font_vertical_offset/2);
+		if (y > graticule_height) {
+			font_height = p->fontMetrics().boundingRect("↓").height();
+			y = graticule_height-font_vertical_offset;
+			p->drawText(x, y, trUtf8("↓"));
+		}
+		else if (y < 0) {
+			font_height = p->fontMetrics().boundingRect("↑").height();
+			y = font_height-font_vertical_offset;
+			p->drawText(x, y, trUtf8("↑"));
+		}
+		else {
+			p->drawText(x, y, trUtf8("→"));
+		}
 	}
+
+	p->restore();
 }
 
 void TraceData::movePosOneTick() {
@@ -259,6 +298,22 @@ void TraceData::resetVPosition() {
 	parentWidget->m_graticuleWidget->repaint(false);
 }
 
+void TraceData::setVPosition() {
+	bool ok;
+	double newoffset;
+
+	ok = false;
+	newoffset = KInputDialog::getDouble(i18n("Set Trace Offset"), i18n("New offset for %1 (%2):").arg(traceName).arg(verticalUnits), offset, (double)-2147483647, (double)2147483647, 0.1, 1, &ok, parentWidget);
+	if (ok) {
+		offset = newoffset;
+		emit(offsetChanged(offset));
+
+		parentWidget->updateTraceText();
+		parentWidget->updateCursorText();
+		parentWidget->m_graticuleWidget->repaint(false);
+	}
+}
+
 CursorData::CursorData(TraceWidget* parent, TQWidget* labelParent) : TQObject(), parentWidget(parent) {
 	color = TQColor(0, 255, 0);
 	highlightColor = TQColor(192, 255, 192);
@@ -869,6 +924,7 @@ void TraceWidget::setBackgroundColor(const TQColor color) {
 		m_traceArray[trace]->singleIncrBtn->setPaletteBackgroundColor(color);
 		m_traceArray[trace]->singleDecrBtn->setPaletteBackgroundColor(color);
 		m_traceArray[trace]->posResetBtn->setPaletteBackgroundColor(color);
+		m_traceArray[trace]->posSetBtn->setPaletteBackgroundColor(color);
 	}
 	for (uint cursor=0;cursor<m_cursorArray.count();cursor++) {
 		m_cursorArray[cursor]->paramLabel->setPaletteBackgroundColor(color);
@@ -1087,6 +1143,7 @@ void TraceWidget::setTraceEnabled(uint traceNumber, bool enabled, bool showText)
 			m_traceArray[traceNumber]->singleIncrBtn->show();
 			m_traceArray[traceNumber]->singleDecrBtn->show();
 			m_traceArray[traceNumber]->posResetBtn->show();
+			m_traceArray[traceNumber]->posSetBtn->show();
 		}
 		else {
 			m_traceArray[traceNumber]->paramLabel->hide();
@@ -1095,6 +1152,7 @@ void TraceWidget::setTraceEnabled(uint traceNumber, bool enabled, bool showText)
 			m_traceArray[traceNumber]->singleIncrBtn->hide();
 			m_traceArray[traceNumber]->singleDecrBtn->hide();
 			m_traceArray[traceNumber]->posResetBtn->hide();
+			m_traceArray[traceNumber]->posSetBtn->hide();
 		}
 	}
 	else {
@@ -1104,6 +1162,7 @@ void TraceWidget::setTraceEnabled(uint traceNumber, bool enabled, bool showText)
 		m_traceArray[traceNumber]->singleIncrBtn->hide();
 		m_traceArray[traceNumber]->singleDecrBtn->hide();
 		m_traceArray[traceNumber]->posResetBtn->hide();
+		m_traceArray[traceNumber]->posSetBtn->hide();
 	}
 
 	m_graticuleWidget->updateGraticule();
@@ -1525,6 +1584,12 @@ TQString TraceWidget::prettyFormat(double value, double rangeDetectValue, TQStri
 	return result;
 }
 
+double TraceWidget::traceOffset(uint traceNumber) {
+	VERIFY_TRACE_ARRAY_SIZE
+
+	return m_traceArray[traceNumber]->offset;
+}
+
 void TraceWidget::setTraceOffset(uint traceNumber, double offset) {
 	VERIFY_TRACE_ARRAY_SIZE
 
@@ -1582,7 +1647,8 @@ void TraceWidget::resizeTraceArray(uint newsize) {
 				m_traceLabelLayout->addMultiCellWidget(m_traceArray[i]->paramLabel, 0, 2, i*2, i*2);
 				m_traceLabelLayout->addWidget(m_traceArray[i]->singleIncrBtn, 0, (i*2)+1);
 				m_traceLabelLayout->addWidget(m_traceArray[i]->posResetBtn, 1, (i*2)+1);
-				m_traceLabelLayout->addWidget(m_traceArray[i]->singleDecrBtn, 2, (i*2)+1);
+				m_traceLabelLayout->addWidget(m_traceArray[i]->posSetBtn, 2, (i*2)+1);
+				m_traceLabelLayout->addWidget(m_traceArray[i]->singleDecrBtn, 3, (i*2)+1);
 				m_statusLabelLayout->insertWidget(i, m_traceArray[i]->graphStatusLabel, TQt::AlignTop);
 				m_statusLabelLayoutInner->insertWidget(i, m_traceArray[i]->graphStatusLabelInner);
 			}
@@ -1595,6 +1661,7 @@ void TraceWidget::resizeTraceArray(uint newsize) {
 				m_traceLabelLayout->remove(m_traceArray[i]->paramLabel);
 				m_traceLabelLayout->remove(m_traceArray[i]->singleIncrBtn);
 				m_traceLabelLayout->remove(m_traceArray[i]->posResetBtn);
+				m_traceLabelLayout->remove(m_traceArray[i]->posSetBtn);
 				m_traceLabelLayout->remove(m_traceArray[i]->singleDecrBtn);
 				m_statusLabelLayout->remove(m_traceArray[i]->graphStatusLabel);
 				m_statusLabelLayoutInner->remove(m_traceArray[i]->graphStatusLabelInner);

clients/tde/src/widgets/tracewidget.h

@@ -57,6 +57,7 @@ class TraceData : public TQObject
 		void movePosOneTick();
 		void moveNegOneTick();
 		void resetVPosition();
+		void setVPosition();
 
 	signals:
 		void offsetChanged(double offset);
@@ -83,6 +84,7 @@ class TraceData : public TQObject
 		TQToolButton* singleIncrBtn;
 		TQToolButton* singleDecrBtn;
 		TQToolButton* posResetBtn;
+		TQToolButton* posSetBtn;
 		TraceWidget* parentWidget;
 
 	friend class TraceWidget;
@@ -233,6 +235,8 @@ class TraceWidget : public TQWidget
 		unsigned int zoomCursorStartIndex();
 		void setZoomCursorStartIndex(unsigned int index);
 
+		double traceOffset(uint traceNumber);
+
 		static TQString prettyFormat(double value, double rangeDetectValue, TQString baseUnits, unsigned int precision=3);
 
 	public slots: