/*
- * 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>
*
* 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 "../../extdef.h"
+#include <pv/session.hpp>
#include <QMouseEvent>
-#include <QTextStream>
-#include <math.h>
-
-#include <boost/foreach.hpp>
-
-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 {
-const int Viewport::MinorTickSubdivision = 4;
-const int Viewport::ScaleUnits[3] = {1, 2, 5};
-
-const QString Viewport::SIPrefixes[9] =
- {"f", "p", "n", QChar(0x03BC), "m", "", "k", "M", "G"};
-const int Viewport::FirstSIPrefixPower = -15;
-
Viewport::Viewport(View &parent) :
- QGLWidget(&parent),
- _view(parent)
+ ViewWidget(parent),
+ pinch_zoom_active_(false)
{
- setMouseTracking(true);
- setAutoFillBackground(false);
+ setAutoFillBackground(true);
+ setBackgroundRole(QPalette::Base);
}
-int Viewport::get_total_height() const
+shared_ptr<ViewItem> Viewport::get_mouse_over_item(const QPoint &pt)
{
- int height = 0;
- BOOST_FOREACH(const shared_ptr<Signal> s,
- _view.session().get_signals()) {
- assert(s);
- height += View::SignalHeight;
- }
-
- return height;
+ 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::initializeGL()
+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::resizeGL(int width, int height)
+void Viewport::drag()
{
- setup_viewport(width, height);
+ drag_offset_ = view_.offset();
}
-void Viewport::paintEvent(QPaintEvent *event)
+void Viewport::drag_by(const QPoint &delta)
{
- int offset;
+ if (drag_offset_ == boost::none)
+ return;
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ view_.set_scale_offset(view_.scale(),
+ (*drag_offset_ - delta.x() * view_.scale()));
+}
- // Prepare for OpenGL rendering
- makeCurrent();
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
+void Viewport::drag_release()
+{
+ drag_offset_ = boost::none;
+}
- setup_viewport(width(), height());
+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;
+}
- qglClearColor(Qt::white);
- glClear(GL_COLOR_BUFFER_BIT);
+bool Viewport::touch_event(QTouchEvent *event)
+{
+ QList<QTouchEvent::TouchPoint> touchPoints = event->touchPoints();
- // Plot the signal
- glEnable(GL_SCISSOR_TEST);
- glScissor(0, 0, width(), height());
- offset = View::RulerHeight - _view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- {
- assert(s);
+ if (touchPoints.count() != 2) {
+ pinch_zoom_active_ = false;
+ return false;
+ }
- const QRect signal_rect(0, offset,
- width(), View::SignalHeight);
+ const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
+ const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
- s->paint(*this, signal_rect, _view.scale(), _view.offset());
+ 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;
+ }
- offset += View::SignalHeight;
+ 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);
}
- glDisable(GL_SCISSOR_TEST);
+ 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();
+ }
+ }
- // Prepare for QPainter rendering
- glMatrixMode(GL_MODELVIEW);
- glPopMatrix();
+ return true;
+}
- QPainter painter(this);
- painter.setRenderHint(QPainter::Antialiasing);
+void Viewport::paintEvent(QPaintEvent*)
+{
+ 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; }));
- // Paint the ruler
- paint_ruler(painter);
+ 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(); });
- painter.end();
-}
+ 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; }));
-void Viewport::mousePressEvent(QMouseEvent *event)
-{
- assert(event);
+ QPainter p(this);
+ p.setRenderHint(QPainter::Antialiasing);
- _mouse_down_point = event->pos();
- _mouse_down_offset = _view.offset();
-}
+ const ViewItemPaintParams pp(rect(), view_.scale(), view_.offset());
-void Viewport::mouseMoveEvent(QMouseEvent *event)
-{
- assert(event);
+ 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);
- if(event->buttons() & Qt::LeftButton)
- {
- _view.set_scale_offset(_view.scale(),
- _mouse_down_offset +
- (_mouse_down_point - event->pos()).x() *
- _view.scale());
- }
-}
+ 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);
-void Viewport::mouseReleaseEvent(QMouseEvent *event)
-{
- assert(event);
+ 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::wheelEvent(QWheelEvent *event)
+void Viewport::mouseDoubleClickEvent(QMouseEvent *event)
{
assert(event);
- _view.zoom(event->delta() / 120, event->x());
-}
-void Viewport::setup_viewport(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);
+ 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::paint_ruler(QPainter &p)
+void Viewport::wheelEvent(QWheelEvent *e)
{
- const double MinSpacing = 80;
-
- const double min_period = _view.scale() * MinSpacing;
-
- const int order = (int)floorf(log10f(min_period));
- const double order_decimal = pow(10, order);
+ assert(e);
- int unit = 0;
- double tick_period = 0.0f;
-
- do
+ if (e->orientation() == Qt::Vertical)
{
- tick_period = order_decimal * ScaleUnits[unit++];
- } while(tick_period < min_period && unit < countof(ScaleUnits));
-
- const int prefix = (order - FirstSIPrefixPower) / 3;
- assert(prefix >= 0);
- assert(prefix < countof(SIPrefixes));
-
- const int text_height = p.boundingRect(0, 0, INT_MAX, INT_MAX,
- Qt::AlignLeft | Qt::AlignTop, "8").height();
-
- // Draw the tick marks
- p.setPen(Qt::black);
-
- const double minor_tick_period = tick_period / MinorTickSubdivision;
- const double first_major_division =
- floor(_view.offset() / tick_period);
- const double first_minor_division =
- ceil(_view.offset() / minor_tick_period);
- const double t0 = first_major_division * tick_period;
-
- int division = (int)round(first_minor_division -
- first_major_division * MinorTickSubdivision);
- while(1)
- {
- const double t = t0 + division * minor_tick_period;
- const double x = (t - _view.offset()) / _view.scale();
-
- if(x >= width())
- break;
-
- if(division % MinorTickSubdivision == 0)
- {
- // Draw a major tick
- QString s;
- QTextStream ts(&s);
- ts << (t / order_decimal) << SIPrefixes[prefix] << "s";
- p.drawText(x, 0, 0, text_height, Qt::AlignCenter | Qt::AlignTop |
- Qt::TextDontClip, s);
- p.drawLine(x, text_height, x, View::RulerHeight);
- }
- else
- {
- // Draw a minor tick
- p.drawLine(x,
- (text_height + View::RulerHeight) / 2, x,
- View::RulerHeight);
+ 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());
}
-
- division++;
+ }
+ 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());
}
}
projects / pulseview.git / blobdiff