X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=sigview.cpp;h=4097ae5c25fe1f316b4cd9359dbe44b79bd8a8cf;hb=e5335d4f0973a90ef7f7f69095e9db36e3feb0cb;hp=ac7e76c8fe5185bd7fcd33bd75b7957ecb70e086;hpb=6fa02541c670ebdd8a1985a29aba798823469f64;p=pulseview.git

diff --git a/sigview.cpp b/sigview.cpp
index ac7e76c..4097ae5 100644
--- a/sigview.cpp
+++ b/sigview.cpp
@@ -20,7 +20,99 @@
 
 #include "sigview.h"
 
-SigView::SigView(QWidget *parent) :
-	QAbstractScrollArea(parent)
+#include "sigsession.h"
+#include "signal.h"
+
+#include <QMouseEvent>
+
+#include <boost/foreach.hpp>
+
+using namespace boost;
+using namespace std;
+
+const int SigView::SignalHeight = 50;
+
+SigView::SigView(SigSession &session, QWidget *parent) :
+	QGLWidget(parent),
+        _session(session),
+	_scale(1e-6),
+	_offset(0)
+{
+	connect(&_session, SIGNAL(dataUpdated()),
+		this, SLOT(dataUpdated()));
+
+	setMouseTracking(true);
+}
+
+void SigView::initializeGL()
+{
+	glDisable(GL_TEXTURE_2D);
+	glDisable(GL_DEPTH_TEST);
+	glDisable(GL_COLOR_MATERIAL);
+	glEnable(GL_BLEND);
+	glEnable(GL_POLYGON_SMOOTH);
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	glClearColor(1.0, 1.0, 1.0, 0);
+}
+
+void SigView::resizeGL(int width, int height)
+{
+	glViewport(0, 0, (GLint)width, (GLint)height);
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glOrtho(0, width, height, 0, -1, 1);
+	glMatrixMode(GL_MODELVIEW);
+}
+
+void SigView::paintGL()
+{
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	QRect rect(0, 0, width(), SignalHeight);
+	const vector< shared_ptr<Signal> > &sigs =
+		_session.get_signals();
+	BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+	{
+		assert(s);
+		s->paint(*this, rect, _scale, _offset);
+		rect.translate(0, SignalHeight);
+	}
+}
+
+void SigView::dataUpdated()
+{
+	update();
+}
+
+void SigView::mouseMoveEvent(QMouseEvent *event)
 {
+	assert(event);
 }
+
+void SigView::mousePressEvent(QMouseEvent *event)
+{
+	assert(event);
+}
+
+void SigView::mouseReleaseEvent(QMouseEvent *event)
+{
+	assert(event);
+
+	const double cursor_offset = _offset + _scale * (double)event->x();
+
+	switch(event->button())
+	{
+	case Qt::LeftButton:
+		_scale *= 2.0 / 3.0;
+		break;
+
+	case Qt::RightButton:
+		_scale *= 3.0 / 2.0;
+		break;
+	}
+
+	_offset = cursor_offset - _scale * (double)event->x();
+
+	updateGL();
+}
+