#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(1000000000ULL),
+ _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);
+
+ switch(event->button())
+ {
+ case Qt::LeftButton:
+ _scale = (_scale * 2) / 3;
+ break;
+
+ case Qt::RightButton:
+ _scale = (_scale * 3) / 2;
+ break;
+ }
+
+ updateGL();
}
+