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GPXSee/src/GUI/waypointitem.cpp

150 lines
3.3 KiB
C++

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