mirror of
https://github.com/tumic0/GPXSee.git
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153 lines
3.3 KiB
C++
153 lines
3.3 KiB
C++
#include <QApplication>
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#include <QPainter>
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#include "config.h"
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#include "format.h"
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#include "tooltip.h"
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#include "waypointitem.h"
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#define HS(size) \
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((int)((qreal)size * 1.2))
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#define FS(size) \
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((int)((qreal)size * 1.41))
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QString WaypointItem::toolTip(Units units)
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{
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ToolTip tt;
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if (!_waypoint.name().isEmpty())
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tt.insert(qApp->translate("WaypointItem", "Name"), _waypoint.name());
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tt.insert(qApp->translate("WaypointItem", "Coordinates"),
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Format::coordinates(_waypoint.coordinates()));
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if (!std::isnan(_waypoint.elevation()))
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tt.insert(qApp->translate("WaypointItem", "Elevation"),
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Format::elevation(_waypoint.elevation(), units));
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if (!_waypoint.timestamp().isNull())
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tt.insert(qApp->translate("WaypointItem", "Date"),
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_waypoint.timestamp().toString(Qt::SystemLocaleShortDate));
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if (!_waypoint.description().isNull())
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tt.insert(qApp->translate("WaypointItem", "Description"),
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_waypoint.description());
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return tt.toString();
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}
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WaypointItem::WaypointItem(const Waypoint &waypoint, Map *map,
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QGraphicsItem *parent) : QGraphicsItem(parent)
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{
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_waypoint = waypoint;
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_showLabel = true;
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_hover = false;
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_size = 8;
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_color = Qt::black;
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updateShape();
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setPos(map->ll2xy(waypoint.coordinates()));
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setToolTip(toolTip(Metric));
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setCursor(Qt::ArrowCursor);
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setAcceptHoverEvents(true);
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}
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void WaypointItem::updateShape()
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{
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QPainterPath p;
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qreal pointSize = _hover ? HS(_size) : _size;
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if (_showLabel) {
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QFont font;
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font.setPixelSize(FS(_size));
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font.setFamily(FONT_FAMILY);
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if (_hover)
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font.setBold(true);
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QFontMetrics fm(font);
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QRect ts = fm.tightBoundingRect(_waypoint.name());
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p.addRect(-pointSize/2, -pointSize/2, pointSize, pointSize);
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p.addRect(pointSize/2, pointSize/2,
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ts.width(), ts.height() + fm.descent());
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} else
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p.addRect(-pointSize/2, -pointSize/2, pointSize, pointSize);
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_shape = p;
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}
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void WaypointItem::paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option);
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Q_UNUSED(widget);
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qreal pointSize = _hover ? HS(_size) : _size;
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painter->setPen(_color);
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if (_showLabel) {
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QFont font;
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font.setPixelSize(FS(_size));
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font.setFamily(FONT_FAMILY);
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if (_hover)
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font.setBold(true);
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QFontMetrics fm(font);
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QRect ts = fm.tightBoundingRect(_waypoint.name());
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painter->setFont(font);
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painter->drawText(pointSize/2 - qMax(ts.x(), 0), pointSize/2
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+ ts.height(), _waypoint.name());
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}
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painter->setBrush(QBrush(_color, Qt::SolidPattern));
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painter->drawEllipse(-pointSize/2, -pointSize/2, pointSize, pointSize);
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/*
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painter->setPen(Qt::red);
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painter->setBrush(Qt::NoBrush);
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painter->drawPath(_shape);
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*/
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}
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void WaypointItem::setSize(int size)
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{
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prepareGeometryChange();
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_size = size;
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updateShape();
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}
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void WaypointItem::setColor(const QColor &color)
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{
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_color = color;
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update();
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}
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void WaypointItem::setUnits(enum Units units)
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{
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setToolTip(toolTip(units));
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}
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void WaypointItem::showLabel(bool show)
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{
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prepareGeometryChange();
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_showLabel = show;
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updateShape();
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}
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void WaypointItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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prepareGeometryChange();
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_hover = true;
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updateShape();
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setZValue(zValue() + 1.0);
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}
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void WaypointItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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prepareGeometryChange();
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_hover = false;
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updateShape();
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setZValue(zValue() - 1.0);
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}
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