X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=8fca4be28b9af9cc059d6e4df04ad47ad853f17f;hp=e0d3ada7be39df61149417fd6af1651703e90bca;hb=333d5bbc0a326e6fa82db44f3e6ba8dd79cafdd8;hpb=1d19ef83d7598f3248086d456df55e844b229bb3 diff --git a/pv/view/view.cpp b/pv/view/view.cpp index e0d3ada7..8fca4be2 100644 --- a/pv/view/view.cpp +++ b/pv/view/view.cpp @@ -1,5 +1,5 @@ /* - * This file is part of the sigrok project. + * This file is part of the PulseView project. * * Copyright (C) 2012 Joel Holdsworth * @@ -19,19 +19,24 @@ */ #include +#include #include #include #include +#include #include +#include "header.h" +#include "ruler.h" +#include "signal.h" #include "view.h" #include "viewport.h" -#include "../../logicdata.h" -#include "../../logicdatasnapshot.h" -#include "../../sigsession.h" +#include "../logicdata.h" +#include "../logicdatasnapshot.h" +#include "../sigsession.h" using namespace boost; using namespace std; @@ -45,22 +50,55 @@ const double View::MinScale = 1e-15; const int View::LabelMarginWidth = 70; const int View::RulerHeight = 30; +const int View::MaxScrollValue = INT_MAX / 2; + +const int View::SignalHeight = 30; +const int View::SignalMargin = 10; +const int View::SignalSnapGridSize = 10; + +const QColor View::CursorAreaColour(220, 231, 243); + +const QSizeF View::LabelPadding(4, 0); + View::View(SigSession &session, QWidget *parent) : QAbstractScrollArea(parent), _session(session), _viewport(new Viewport(*this)), + _ruler(new Ruler(*this)), + _header(new Header(*this)), _data_length(0), _scale(1e-6), _offset(0), - _v_offset(0) + _v_offset(0), + _show_cursors(false), + _cursors(pair(Cursor(*this, 0.0), + Cursor(*this, 1.0))), + _hover_point(-1, -1) { connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(h_scroll_value_changed(int))); connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(v_scroll_value_changed(int))); + + connect(&_session, SIGNAL(signals_changed()), + this, SLOT(signals_changed())); connect(&_session, SIGNAL(data_updated()), this, SLOT(data_updated())); + + connect(&_cursors.first, SIGNAL(time_changed()), + this, SLOT(marker_time_changed())); + connect(&_cursors.second, SIGNAL(time_changed()), + this, SLOT(marker_time_changed())); + + connect(_header, SIGNAL(signals_moved()), + this, SLOT(on_signals_moved())); + + setViewportMargins(LabelMarginWidth, RulerHeight, 0, 0); setViewport(_viewport); + + _viewport->installEventFilter(this); + _ruler->installEventFilter(this); + _header->installEventFilter(this); } SigSession& View::session() @@ -88,14 +126,77 @@ void View::zoom(double steps) zoom(steps, (width() - LabelMarginWidth) / 2); } +void View::zoom(double steps, int offset) +{ + const double cursor_offset = _offset + _scale * offset; + _scale *= pow(3.0/2.0, -steps); + _scale = max(min(_scale, MaxScale), MinScale); + _offset = cursor_offset - _scale * offset; + + _ruler->update(); + _viewport->update(); + update_scroll(); +} + + void View::set_scale_offset(double scale, double offset) { _scale = scale; _offset = offset; + update_scroll(); + _ruler->update(); + _viewport->update(); +} + +bool View::cursors_shown() const +{ + return _show_cursors; +} + +void View::show_cursors(bool show) +{ + _show_cursors = show; + _ruler->update(); _viewport->update(); } +std::pair& View::cursors() +{ + return _cursors; +} + +const QPoint& View::hover_point() const +{ + return _hover_point; +} + +void View::normalize_layout() +{ + const vector< shared_ptr > sigs(_session.get_signals()); + + int v_min = INT_MAX; + BOOST_FOREACH(const shared_ptr s, sigs) + v_min = min(s->get_v_offset(), v_min); + + const int delta = -min(v_min, 0); + BOOST_FOREACH(shared_ptr s, sigs) + s->set_v_offset(s->get_v_offset() + delta); + + verticalScrollBar()->setSliderPosition(_v_offset + delta); + v_scroll_value_changed(verticalScrollBar()->sliderPosition()); +} + +void View::get_scroll_layout(double &length, double &offset) const +{ + const shared_ptr sig_data = _session.get_data(); + if (!sig_data) + return; + + length = _data_length / (sig_data->get_samplerate() * _scale); + offset = _offset / _scale; +} + void View::update_scroll() { assert(_viewport); @@ -104,32 +205,62 @@ void View::update_scroll() // Set the horizontal scroll bar double length = 0, offset = 0; - const shared_ptr sig_data = _session.get_data(); - if(sig_data) { - length = _data_length / - (sig_data->get_samplerate() * _scale); - offset = _offset / _scale; - } + get_scroll_layout(length, offset); + length = max(length - areaSize.width(), 0.0); horizontalScrollBar()->setPageStep(areaSize.width()); - horizontalScrollBar()->setRange(0, - max((int)(length - areaSize.width()), 0)); - horizontalScrollBar()->setSliderPosition(offset); + + if (length < MaxScrollValue) { + horizontalScrollBar()->setRange(0, length); + horizontalScrollBar()->setSliderPosition(offset); + } else { + horizontalScrollBar()->setRange(0, MaxScrollValue); + horizontalScrollBar()->setSliderPosition( + _offset * MaxScrollValue / (_scale * length)); + } // Set the vertical scrollbar verticalScrollBar()->setPageStep(areaSize.height()); verticalScrollBar()->setRange(0, - _viewport->get_total_height() - areaSize.height()); + _viewport->get_total_height() + SignalMargin - + areaSize.height()); } -void View::zoom(double steps, int offset) +void View::reset_signal_layout() { - const double cursor_offset = _offset + _scale * offset; - _scale *= pow(3.0/2.0, -steps); - _scale = max(min(_scale, MaxScale), MinScale); - _offset = cursor_offset - _scale * offset; - _viewport->update(); - update_scroll(); + int offset = SignalMargin; + const vector< shared_ptr > sigs(_session.get_signals()); + BOOST_FOREACH(shared_ptr s, sigs) { + s->set_v_offset(offset); + offset += SignalHeight + 2 * SignalMargin; + } + + normalize_layout(); +} + +bool View::eventFilter(QObject *object, QEvent *event) +{ + const QEvent::Type type = event->type(); + if (type == QEvent::MouseMove) { + + const QMouseEvent *const mouse_event = (QMouseEvent*)event; + if (object == _viewport) + _hover_point = mouse_event->pos(); + else if (object == _ruler) + _hover_point = QPoint(mouse_event->x(), 0); + else if (object == _header) + _hover_point = QPoint(0, mouse_event->y()); + else + _hover_point = QPoint(-1, -1); + + hover_point_changed(); + + } else if (type == QEvent::Leave) { + _hover_point = QPoint(-1, -1); + hover_point_changed(); + } + + return QObject::eventFilter(object, event); } bool View::viewportEvent(QEvent *e) @@ -150,31 +281,50 @@ bool View::viewportEvent(QEvent *e) void View::resizeEvent(QResizeEvent *e) { + _ruler->setGeometry(_viewport->x(), 0, + _viewport->width(), _viewport->y()); + _header->setGeometry(0, _viewport->y(), + _viewport->x(), _viewport->height()); update_scroll(); } void View::h_scroll_value_changed(int value) { - _offset = _scale * value; + const int range = horizontalScrollBar()->maximum(); + if (range < MaxScrollValue) + _offset = _scale * value; + else { + double length = 0, offset; + get_scroll_layout(length, offset); + _offset = _scale * length * value / MaxScrollValue; + } + + _ruler->update(); _viewport->update(); } void View::v_scroll_value_changed(int value) { _v_offset = value; + _header->update(); _viewport->update(); } +void View::signals_changed() +{ + reset_signal_layout(); +} + void View::data_updated() { // Get the new data length _data_length = 0; shared_ptr sig_data = _session.get_data(); - if(sig_data) { + if (sig_data) { deque< shared_ptr > &snapshots = sig_data->get_snapshots(); BOOST_FOREACH(shared_ptr s, snapshots) - if(s) + if (s) _data_length = max(_data_length, s->get_sample_count()); } @@ -186,5 +336,17 @@ void View::data_updated() _viewport->update(); } +void View::marker_time_changed() +{ + _ruler->update(); + _viewport->update(); +} + +void View::on_signals_moved() +{ + update_scroll(); + signals_moved(); +} + } // namespace view } // namespace pv