/*
- * This file is part of the sigrok project.
+ * This file is part of the PulseView project.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
*
#include "view.h"
#include "viewport.h"
-#include "../../sigsession.h"
-#include "../../signal.h"
+#include "signal.h"
+#include "../sigsession.h"
#include <QMouseEvent>
#include <boost/foreach.hpp>
-using namespace boost;
-using namespace std;
+using boost::shared_ptr;
+using std::max;
+using std::min;
+using std::vector;
namespace pv {
namespace view {
Viewport::Viewport(View &parent) :
- QGLWidget(&parent),
+ QWidget(&parent),
_view(parent)
{
setMouseTracking(true);
- setAutoFillBackground(false);
-}
+ setAutoFillBackground(true);
+ setBackgroundRole(QPalette::Base);
-int Viewport::get_total_height() const
-{
- int height = 0;
- BOOST_FOREACH(const shared_ptr<Signal> s,
- _view.session().get_signals()) {
- assert(s);
- height += View::SignalHeight;
- }
+ connect(&_view.session(), SIGNAL(signals_changed()),
+ this, SLOT(on_signals_changed()));
- return height;
+ connect(&_view, SIGNAL(signals_moved()),
+ this, SLOT(on_signals_moved()));
}
-void Viewport::initializeGL()
+int Viewport::get_total_height() const
{
-}
+ int h = 0;
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ BOOST_FOREACH(const shared_ptr<Trace> t, traces) {
+ assert(t);
+ h = max(t->get_v_offset() + View::SignalHeight, h);
+ }
-void Viewport::resizeGL(int width, int height)
-{
- setup_viewport(width, height);
+ return h;
}
-void Viewport::paintEvent(QPaintEvent *event)
+void Viewport::paintEvent(QPaintEvent*)
{
- int offset;
-
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
- // Prepare for OpenGL rendering
- makeCurrent();
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
+ QPainter p(this);
+ p.setRenderHint(QPainter::Antialiasing);
- setup_viewport(width(), height());
-
- qglClearColor(Qt::white);
- glClear(GL_COLOR_BUFFER_BIT);
+ if (_view.cursors_shown())
+ _view.cursors().draw_viewport_background(p, rect());
// Plot the signal
- glEnable(GL_SCISSOR_TEST);
- glScissor(0, 0, width(), height());
- offset = -_view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ BOOST_FOREACH(const shared_ptr<Trace> t, traces)
{
- assert(s);
-
- const QRect signal_rect(0, offset,
- width(), View::SignalHeight);
-
- s->paint(*this, signal_rect, _view.scale(), _view.offset());
-
- offset += View::SignalHeight;
+ assert(t);
+ t->paint_back(p, 0, width());
}
- glDisable(GL_SCISSOR_TEST);
+ BOOST_FOREACH(const shared_ptr<Trace> t, traces)
+ t->paint_mid(p, 0, width());
+
+ BOOST_FOREACH(const shared_ptr<Trace> t, traces)
+ t->paint_fore(p, 0, width());
- // Prepare for QPainter rendering
- glMatrixMode(GL_MODELVIEW);
- glPopMatrix();
+ if (_view.cursors_shown())
+ _view.cursors().draw_viewport_foreground(p, rect());
- QPainter painter(this);
- painter.end();
+ p.end();
}
void Viewport::mousePressEvent(QMouseEvent *event)
{
assert(event);
- if(event->buttons() & Qt::LeftButton)
+ if (event->buttons() & Qt::LeftButton)
{
_view.set_scale_offset(_view.scale(),
_mouse_down_offset +
}
}
-void Viewport::mouseReleaseEvent(QMouseEvent *event)
+void Viewport::mouseDoubleClickEvent(QMouseEvent *event)
{
assert(event);
+
+ if (event->buttons() & Qt::LeftButton)
+ _view.zoom(2.0, event->x());
+ else if (event->buttons() & Qt::RightButton)
+ _view.zoom(-2.0, event->x());
}
void Viewport::wheelEvent(QWheelEvent *event)
{
assert(event);
- _view.zoom(event->delta() / 120, event->x());
+
+ if (event->orientation() == Qt::Vertical) {
+ // Vertical scrolling is interpreted as zooming in/out
+ _view.zoom(event->delta() / 120, event->x());
+ } else if (event->orientation() == Qt::Horizontal) {
+ // Horizontal scrolling is interpreted as moving left/right
+ _view.set_scale_offset(_view.scale(),
+ event->delta() * _view.scale()
+ + _view.offset());
+ }
+}
+
+void Viewport::on_signals_changed()
+{
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+ assert(t);
+ connect(t.get(), SIGNAL(visibility_changed()),
+ this, SLOT(update()));
+ }
}
-void Viewport::setup_viewport(int width, int height)
+void Viewport::on_signals_moved()
{
- glViewport(0, 0, (GLint)width, (GLint)height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(0, width, height, 0, -1, 1);
- glMatrixMode(GL_MODELVIEW);
+ update();
}
} // namespace view