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https://github.com/subsurface/subsurface.git
synced 2025-02-19 22:16:15 +00:00
Added a ruler which can be dragged along the profile
This patch adds a ruler QGraphicsItem which can be dragged along the profile. The ruler displays minimum, maximum and average for depth and speed (ascent/descent rate). Also, all used gas will be displayed. This also adds a new attribute to struct plot_data to store the speed (not just as velocity_t). Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
This commit is contained in:
Maximilian Güntner
parent
3312c9a3a4
commit
248f1b86d1
5 changed files with 411 additions and 8 deletions
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@ -16,6 +16,7 @@
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#include <QGraphicsSceneHoverEvent>
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#include <QMouseEvent>
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#include <qtextdocument.h>
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#include <limits>
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#include "../color.h"
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#include "../display.h"
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@ -43,10 +44,11 @@ extern struct ev_select *ev_namelist;
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extern int evn_allocated;
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extern int evn_used;
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ProfileGraphicsView::ProfileGraphicsView(QWidget* parent) : QGraphicsView(parent), toolTip(0) , dive(0), diveDC(0)
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ProfileGraphicsView::ProfileGraphicsView(QWidget* parent) : QGraphicsView(parent), toolTip(0) , dive(0), diveDC(0), rulerItem(0)
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{
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printMode = false;
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isGrayscale = false;
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rulerEnabled = false;
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gc.printer = false;
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fill_profile_color();
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setScene(new QGraphicsScene());
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@ -175,11 +177,18 @@ void ProfileGraphicsView::clear()
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{
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resetTransform();
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zoomLevel = 0;
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if(toolTip){
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if(toolTip) {
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scene()->removeItem(toolTip);
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toolTip->deleteLater();
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toolTip = 0;
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}
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if(rulerItem) {
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remove_ruler();
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rulerItem->destNode()->deleteLater();
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rulerItem->sourceNode()->deleteLater();
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rulerItem->deleteLater();
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rulerItem=0;
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}
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scene()->clear();
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}
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@ -214,7 +223,7 @@ void ProfileGraphicsView::plot(struct dive *d, bool forceRedraw)
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dive = d;
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diveDC = d ? dc : NULL;
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if (!isVisible() || !dive) {
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if (!isVisible() || !dive || !mainWindow()) {
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return;
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}
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setBackgroundBrush(getColor(BACKGROUND));
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@ -274,6 +283,9 @@ void ProfileGraphicsView::plot(struct dive *d, bool forceRedraw)
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plot_events(dc);
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if (rulerEnabled && !printMode)
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create_ruler();
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/* Temperature profile */
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plot_temperature_profile();
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@ -336,6 +348,9 @@ void ProfileGraphicsView::plot(struct dive *d, bool forceRedraw)
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connect(timeEditor, SIGNAL(editingFinished(QString)), this, SLOT(edit_dive_time(QString)));
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scene()->addItem(timeEditor);
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}
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if (rulerEnabled && !printMode)
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add_ruler();
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}
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void ProfileGraphicsView::plot_depth_scale()
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@ -840,6 +855,57 @@ void ProfileGraphicsView::plot_one_event(struct event *ev)
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item->setToolTip(name);
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}
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void ProfileGraphicsView::create_ruler()
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{
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int x,y;
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struct plot_info *pi = &gc.pi;
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struct plot_data *data = pi->entry;
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RulerNodeItem *first = new RulerNodeItem(0, gc);
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RulerNodeItem *second = new RulerNodeItem(0, gc);
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x = SCALEXGC(data->sec);
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y = data->depth;
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first->setPos(x,y);
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data = pi->entry+(pi->nr-1);
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x = SCALEXGC(data->sec);
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y = data->depth;
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second->setPos(x,y);
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//Make sure that both points already have their entries
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first->recalculate();
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second->recalculate();
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rulerItem = new RulerItem(0, first, second);
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first->setRuler(rulerItem);
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second->setRuler(rulerItem);
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}
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void ProfileGraphicsView::add_ruler()
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{
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if (! scene()->items().contains(rulerItem)) {
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scene()->addItem(rulerItem->sourceNode());
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scene()->addItem(rulerItem->destNode());
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scene()->addItem(rulerItem);
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rulerItem->recalculate();
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}
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}
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void ProfileGraphicsView::remove_ruler()
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{
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if (rulerItem) {
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if (scene()->items().contains(rulerItem))
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scene()->removeItem(rulerItem);
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if (scene()->items().contains(rulerItem->sourceNode()))
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scene()->removeItem(rulerItem->sourceNode());
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if (scene()->items().contains(rulerItem->destNode()))
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scene()->removeItem(rulerItem->destNode());
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}
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}
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void ProfileGraphicsView::plot_depth_profile()
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{
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int i, incr;
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@ -1131,7 +1197,7 @@ QGraphicsItemGroup *ProfileGraphicsView::plot_text(text_render_options_t *tro,co
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void ProfileGraphicsView::resizeEvent(QResizeEvent *event)
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{
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fitInView(sceneRect());
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refresh();
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}
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void ProfileGraphicsView::plot_temperature_profile()
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@ -1430,6 +1496,161 @@ EventItem::EventItem(QGraphicsItem* parent, bool grayscale): QGraphicsPolygonIte
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ball->setPen(QPen(getColor(ALERT_FG)));
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}
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RulerNodeItem::RulerNodeItem(QGraphicsItem *parent, graphics_context context) : QGraphicsEllipseItem(parent), gc(context), entry(NULL) , ruler(NULL)
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{
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setRect(QRect(QPoint(-8,8),QPoint(8,-8)));
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setBrush(QColor(0xff, 0, 0, 127));
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setPen(QColor("#FF0000"));
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setFlag(QGraphicsItem::ItemIsMovable);
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setFlag(ItemSendsGeometryChanges);
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setFlag(ItemIgnoresTransformations);
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}
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void RulerNodeItem::setRuler(RulerItem *r)
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{
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ruler = r;
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}
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void RulerNodeItem::recalculate()
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{
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struct plot_info *pi = &gc.pi;
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struct plot_data *data = pi->entry+(pi->nr-1);
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uint16_t count = 0;
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if (x() < 0) {
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setPos(0, y());
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}
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else if (x() > SCALEXGC(data->sec)) {
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setPos(SCALEXGC(data->sec), y());
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}
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else {
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data = pi->entry;
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count=0;
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while (SCALEXGC(data->sec) < x() && count < pi->nr) {
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data = pi->entry+count;
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count++;
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}
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setPos(SCALEGC(data->sec, data->depth));
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entry=data;
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}
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}
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QVariant RulerNodeItem::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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if(change == ItemPositionHasChanged) {
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recalculate();
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if(ruler != NULL)
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ruler->recalculate();
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if (scene()) {
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scene()->update();
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}
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}
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return QGraphicsEllipseItem::itemChange(change, value);
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}
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RulerItem::RulerItem(QGraphicsItem *parent, RulerNodeItem *sourceNode, RulerNodeItem *destNode) : QGraphicsObject(parent), source(sourceNode), dest(destNode)
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{
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recalculate();
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}
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void RulerItem::recalculate()
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{
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char buffer[500];
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QPointF tmp;
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QFont font;
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QFontMetrics fm(font);
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if (source == NULL || dest == NULL)
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return;
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prepareGeometryChange();
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startPoint = mapFromItem(source, 0, 0);
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endPoint = mapFromItem(dest, 0, 0);
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if (startPoint.x() > endPoint.x()) {
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tmp = endPoint;
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endPoint = startPoint;
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startPoint = tmp;
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}
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QLineF line(startPoint, endPoint);
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compare_samples(source->entry, dest->entry, buffer, 500, 1);
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text = QString(buffer);
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QRect r = fm.boundingRect(QRect(QPoint(10,-1*INT_MAX), QPoint(line.length()-10, 0)), Qt::TextWordWrap, text);
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if (r.height() < 10)
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height = 10;
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else
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height = r.height();
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QLineF line_n = line.normalVector();
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line_n.setLength(height);
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if (scene()) {
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/* Determine whether we draw down or upwards */
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if (scene()->sceneRect().contains(line_n.p2()) &&
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scene()->sceneRect().contains(endPoint+QPointF(line_n.dx(),line_n.dy())))
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paint_direction = -1;
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else
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paint_direction = 1;
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}
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}
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RulerNodeItem *RulerItem::sourceNode() const
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{
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return source;
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}
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RulerNodeItem *RulerItem::destNode() const
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{
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return dest;
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}
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void RulerItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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QLineF line(startPoint, endPoint);
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QLineF line_n = line.normalVector();
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painter->setPen(QColor(Qt::black));
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painter->setBrush(Qt::NoBrush);
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line_n.setLength(height);
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if (paint_direction == 1)
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line_n.setAngle(line_n.angle()+180);
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painter->drawLine(line);
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painter->drawLine(line_n);
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painter->drawLine(line_n.p1() + QPointF(line.dx(), line.dy()), line_n.p2() + QPointF(line.dx(), line.dy()));
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//Draw Text
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painter->save();
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painter->translate(startPoint.x(), startPoint.y());
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painter->rotate(line.angle()*-1);
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if (paint_direction == 1)
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painter->translate(0, height);
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painter->setPen(Qt::black);
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painter->drawText(QRectF(QPointF(10,-1*height), QPointF(line.length()-10, 0)), Qt::TextWordWrap, text);
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painter->restore();
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}
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QRectF RulerItem::boundingRect() const
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{
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return shape().controlPointRect();
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}
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QPainterPath RulerItem::shape() const
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{
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QPainterPath path;
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QLineF line(startPoint, endPoint);
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QLineF line_n = line.normalVector();
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line_n.setLength(height);
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if (paint_direction == 1)
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line_n.setAngle(line_n.angle()+180);
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path.moveTo(startPoint);
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path.lineTo(line_n.p2());
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path.lineTo(line_n.p2() + QPointF(line.dx(), line.dy()));
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path.lineTo(endPoint);
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path.lineTo(startPoint);
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return path;
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}
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GraphicsTextEditor::GraphicsTextEditor(QGraphicsItem* parent): QGraphicsTextItem(parent)
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{
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}
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