* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "view.h"
-#include "viewport.h"
+#include <cassert>
+#include <cmath>
+#include <algorithm>
+#include <limits>
-#include "../sigsession.h"
-#include "../signal.h"
+#include "signal.hpp"
+#include "view.hpp"
+#include "viewitempaintparams.hpp"
+#include "viewport.hpp"
-#include <QMouseEvent>
+#include <pv/session.hpp>
-#include <boost/foreach.hpp>
+#include <QMouseEvent>
-using namespace boost;
-using namespace std;
+using std::abs;
+using std::back_inserter;
+using std::copy;
+using std::dynamic_pointer_cast;
+using std::max;
+using std::min;
+using std::none_of;
+using std::numeric_limits;
+using std::shared_ptr;
+using std::stable_sort;
+using std::vector;
namespace pv {
namespace view {
Viewport::Viewport(View &parent) :
- QWidget(&parent),
- _view(parent)
+ ViewWidget(parent),
+ pinch_zoom_active_(false)
{
- setMouseTracking(true);
setAutoFillBackground(true);
setBackgroundRole(QPalette::Base);
}
-int Viewport::get_total_height() const
+shared_ptr<ViewItem> Viewport::get_mouse_over_item(const QPoint &pt)
+{
+ const vector< shared_ptr<ViewItem> > items(this->items());
+ for (auto i = items.rbegin(); i != items.rend(); i++)
+ if ((*i)->enabled() &&
+ (*i)->hit_box_rect(rect()).contains(pt))
+ return *i;
+ return nullptr;
+}
+
+void Viewport::item_hover(const shared_ptr<ViewItem> &item)
+{
+ if (item)
+ setCursor(dynamic_pointer_cast<RowItem>(item) ?
+ Qt::SizeVerCursor : Qt::SizeHorCursor);
+ else
+ unsetCursor();
+}
+
+void Viewport::drag()
+{
+ drag_offset_ = view_.offset();
+}
+
+void Viewport::drag_by(const QPoint &delta)
{
- int height = 0;
- BOOST_FOREACH(const shared_ptr<Signal> s,
- _view.session().get_signals()) {
- assert(s);
- height += View::SignalHeight;
+ if (drag_offset_ == boost::none)
+ return;
+
+ view_.set_scale_offset(view_.scale(),
+ (*drag_offset_ - delta.x() * view_.scale()));
+}
+
+void Viewport::drag_release()
+{
+ drag_offset_ = boost::none;
+}
+
+vector< shared_ptr<ViewItem> > Viewport::items()
+{
+ vector< shared_ptr<ViewItem> > items(view_.begin(), view_.end());
+ const vector< shared_ptr<TimeItem> > time_items(view_.time_items());
+ copy(time_items.begin(), time_items.end(), back_inserter(items));
+ return items;
+}
+
+bool Viewport::touch_event(QTouchEvent *event)
+{
+ QList<QTouchEvent::TouchPoint> touchPoints = event->touchPoints();
+
+ if (touchPoints.count() != 2) {
+ pinch_zoom_active_ = false;
+ return false;
}
- return height;
+ const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
+ const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
+
+ if (!pinch_zoom_active_ ||
+ (event->touchPointStates() & Qt::TouchPointPressed)) {
+ pinch_offset0_ = (view_.offset() + view_.scale() * touchPoint0.pos().x()).convert_to<double>();
+ pinch_offset1_ = (view_.offset() + view_.scale() * touchPoint1.pos().x()).convert_to<double>();
+ pinch_zoom_active_ = true;
+ }
+
+ double w = touchPoint1.pos().x() - touchPoint0.pos().x();
+ if (abs(w) >= 1.0) {
+ const double scale =
+ fabs((pinch_offset1_ - pinch_offset0_) / w);
+ double offset = pinch_offset0_ - touchPoint0.pos().x() * scale;
+ if (scale > 0)
+ view_.set_scale_offset(scale, offset);
+ }
+
+ if (event->touchPointStates() & Qt::TouchPointReleased) {
+ pinch_zoom_active_ = false;
+
+ if (touchPoint0.state() & Qt::TouchPointReleased) {
+ // Primary touch released
+ drag_release();
+ } else {
+ // Update the mouse down fields so that continued
+ // dragging with the primary touch will work correctly
+ mouse_down_point_ = touchPoint0.pos().toPoint();
+ drag();
+ }
+ }
+
+ return true;
}
-void Viewport::paintEvent(QPaintEvent *event)
+void Viewport::paintEvent(QPaintEvent*)
{
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ vector< shared_ptr<TraceTreeItem> > row_items(view_.begin(), view_.end());
+ assert(none_of(row_items.begin(), row_items.end(),
+ [](const shared_ptr<TraceTreeItem> &r) { return !r; }));
+
+ stable_sort(row_items.begin(), row_items.end(),
+ [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) {
+ return a->visual_v_offset() < b->visual_v_offset(); });
+
+ const vector< shared_ptr<TimeItem> > time_items(view_.time_items());
+ assert(none_of(time_items.begin(), time_items.end(),
+ [](const shared_ptr<TimeItem> &t) { return !t; }));
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
- // Plot the signal
- int offset = -_view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- {
- assert(s);
+ const ViewItemPaintParams pp(rect(), view_.scale(), view_.offset());
- const QRect signal_rect(0, offset,
- width(), View::SignalHeight);
+ for (const shared_ptr<TimeItem> t : time_items)
+ t->paint_back(p, pp);
+ for (const shared_ptr<TraceTreeItem> r : row_items)
+ r->paint_back(p, pp);
- s->paint(p, signal_rect, _view.scale(), _view.offset());
+ for (const shared_ptr<TimeItem> t : time_items)
+ t->paint_mid(p, pp);
+ for (const shared_ptr<TraceTreeItem> r : row_items)
+ r->paint_mid(p, pp);
- offset += View::SignalHeight;
- }
+ p.setRenderHint(QPainter::Antialiasing, false);
+
+ for (const shared_ptr<TraceTreeItem> r : row_items)
+ r->paint_fore(p, pp);
+ for (const shared_ptr<TimeItem> t : time_items)
+ t->paint_fore(p, pp);
p.end();
}
-void Viewport::mousePressEvent(QMouseEvent *event)
+void Viewport::mouseDoubleClickEvent(QMouseEvent *event)
{
assert(event);
- _mouse_down_point = event->pos();
- _mouse_down_offset = _view.offset();
+ 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::mouseMoveEvent(QMouseEvent *event)
+void Viewport::wheelEvent(QWheelEvent *e)
{
- assert(event);
+ assert(e);
- if(event->buttons() & Qt::LeftButton)
+ if (e->orientation() == Qt::Vertical)
{
- _view.set_scale_offset(_view.scale(),
- _mouse_down_offset +
- (_mouse_down_point - event->pos()).x() *
- _view.scale());
+ if (e->modifiers() & Qt::ControlModifier) {
+ // Vertical scrolling with the control key pressed
+ // is intrepretted as vertical scrolling
+ view_.set_v_offset(-view_.owner_visual_v_offset() -
+ (e->delta() * height()) / (8 * 120));
+ } else {
+ // Vertical scrolling is interpreted as zooming in/out
+ view_.zoom(e->delta() / 120, e->x());
+ }
+ }
+ else if (e->orientation() == Qt::Horizontal)
+ {
+ // Horizontal scrolling is interpreted as moving left/right
+ view_.set_scale_offset(view_.scale(),
+ e->delta() * view_.scale() + view_.offset());
}
-}
-
-void Viewport::mouseReleaseEvent(QMouseEvent *event)
-{
- assert(event);
-}
-
-void Viewport::wheelEvent(QWheelEvent *event)
-{
- assert(event);
- _view.zoom(event->delta() / 120, event->x());
}
} // namespace view