subsurface/qt-ui/profile/divetooltipitem.cpp

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#include "divetooltipitem.h"
#include "divecartesianaxis.h"
#include "profile.h"
#include "dive.h"
#include "membuffer.h"
#include <QPropertyAnimation>
#include <QGraphicsSceneMouseEvent>
#include <QPen>
#include <QBrush>
#include <QGraphicsScene>
#include <QSettings>
#include <QGraphicsView>
#include <QDebug>
#define PORT_IN_PROGRESS 1
#ifdef PORT_IN_PROGRESS
#include "display.h"
#endif
void ToolTipItem::addToolTip(const QString &toolTip, const QIcon &icon)
{
QGraphicsPixmapItem *iconItem = 0;
double yValue = title->boundingRect().height() + SPACING;
Q_FOREACH(ToolTip t, toolTips) {
yValue += t.second->boundingRect().height();
}
if (!icon.isNull()) {
iconItem = new QGraphicsPixmapItem(icon.pixmap(ICON_SMALL, ICON_SMALL), this);
iconItem->setPos(SPACING, yValue);
}
QGraphicsSimpleTextItem *textItem = new QGraphicsSimpleTextItem(toolTip, this);
textItem->setPos(SPACING + ICON_SMALL + SPACING, yValue);
textItem->setBrush(QBrush(Qt::white));
textItem->setFlag(ItemIgnoresTransformations);
toolTips.push_back(qMakePair(iconItem, textItem));
expand();
}
void ToolTipItem::refresh(struct graphics_context *gc, QPointF pos)
{
clear();
int time = (pos.x() * gc->maxtime) / gc->maxx;
struct membuffer mb = { 0 };
get_plot_details(gc, time, &mb);
addToolTip(QString::fromUtf8(mb.buffer, mb.len));
free_buffer(&mb);
QList<QGraphicsItem *> items = scene()->items(pos, Qt::IntersectsItemShape, Qt::DescendingOrder, transform());
Q_FOREACH(QGraphicsItem * item, items) {
if (!item->toolTip().isEmpty())
addToolTip(item->toolTip());
}
}
void ToolTipItem::clear()
{
Q_FOREACH(ToolTip t, toolTips) {
delete t.first;
delete t.second;
}
toolTips.clear();
}
void ToolTipItem::setRect(const QRectF &r)
{
// qDeleteAll(childItems());
delete background;
rectangle = r;
setBrush(QBrush(Qt::white));
setPen(QPen(Qt::black, 0.5));
// Creates a 2pixels border
QPainterPath border;
border.addRoundedRect(-4, -4, rectangle.width() + 8, rectangle.height() + 10, 3, 3);
border.addRoundedRect(-1, -1, rectangle.width() + 3, rectangle.height() + 4, 3, 3);
setPath(border);
QPainterPath bg;
bg.addRoundedRect(-1, -1, rectangle.width() + 3, rectangle.height() + 4, 3, 3);
QColor c = QColor(Qt::black);
c.setAlpha(155);
QGraphicsPathItem *b = new QGraphicsPathItem(bg, this);
b->setFlag(ItemStacksBehindParent);
b->setFlag(ItemIgnoresTransformations);
b->setBrush(c);
b->setPen(QPen(QBrush(Qt::transparent), 0));
b->setZValue(-10);
background = b;
updateTitlePosition();
}
void ToolTipItem::collapse()
{
QPropertyAnimation *animation = new QPropertyAnimation(this, "rect");
animation->setDuration(100);
animation->setStartValue(nextRectangle);
animation->setEndValue(QRect(0, 0, ICON_SMALL, ICON_SMALL));
animation->start(QAbstractAnimation::DeleteWhenStopped);
clear();
status = COLLAPSED;
}
void ToolTipItem::expand()
{
if (!title)
return;
double width = 0, height = title->boundingRect().height() + SPACING;
Q_FOREACH(ToolTip t, toolTips) {
if (t.second->boundingRect().width() > width)
width = t.second->boundingRect().width();
height += t.second->boundingRect().height();
}
/* Left padding, Icon Size, space, right padding */
width += SPACING + ICON_SMALL + SPACING + SPACING;
if (width < title->boundingRect().width() + SPACING * 2)
width = title->boundingRect().width() + SPACING * 2;
if (height < ICON_SMALL)
height = ICON_SMALL;
nextRectangle.setWidth(width);
nextRectangle.setHeight(height);
QPropertyAnimation *animation = new QPropertyAnimation(this, "rect");
animation->setDuration(100);
animation->setStartValue(rectangle);
animation->setEndValue(nextRectangle);
animation->start(QAbstractAnimation::DeleteWhenStopped);
status = EXPANDED;
}
ToolTipItem::ToolTipItem(QGraphicsItem *parent) : QGraphicsPathItem(parent),
background(0),
separator(new QGraphicsLineItem(this)),
title(new QGraphicsSimpleTextItem(tr("Information"), this)),
status(COLLAPSED),
timeAxis(0),
lastTime(-1)
{
memset(&pInfo, 0, sizeof(pInfo));
setFlags(ItemIgnoresTransformations | ItemIsMovable | ItemClipsChildrenToShape);
updateTitlePosition();
setZValue(99);
}
ToolTipItem::~ToolTipItem()
{
clear();
}
void ToolTipItem::updateTitlePosition()
{
if (rectangle.width() < title->boundingRect().width() + SPACING * 4) {
QRectF newRect = rectangle;
newRect.setWidth(title->boundingRect().width() + SPACING * 4);
newRect.setHeight((newRect.height() && isExpanded()) ? newRect.height() : ICON_SMALL);
setRect(newRect);
}
title->setPos(boundingRect().width() / 2 - title->boundingRect().width() / 2 - 1, 0);
title->setFlag(ItemIgnoresTransformations);
title->setPen(QPen(Qt::white, 1));
title->setBrush(Qt::white);
if (toolTips.size() > 0) {
double x1 = 3;
double y1 = title->pos().y() + SPACING / 2 + title->boundingRect().height();
double x2 = boundingRect().width() - 10;
double y2 = y1;
separator->setLine(x1, y1, x2, y2);
separator->setFlag(ItemIgnoresTransformations);
separator->setPen(QPen(Qt::white));
separator->show();
} else {
separator->hide();
}
}
bool ToolTipItem::isExpanded() const
{
return status == EXPANDED;
}
void ToolTipItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
persistPos();
QGraphicsPathItem::mouseReleaseEvent(event);
}
void ToolTipItem::persistPos()
{
QPoint currentPos = scene()->views().at(0)->mapFromScene(pos());
QSettings s;
s.beginGroup("ProfileMap");
s.setValue("tooltip_position", currentPos);
s.endGroup();
}
void ToolTipItem::readPos()
{
QSettings s;
s.beginGroup("ProfileMap");
QPointF value = scene()->views().at(0)->mapToScene(
s.value("tooltip_position").toPoint());
if (!scene()->sceneRect().contains(value)) {
value = QPointF(0, 0);
}
setPos(value);
}
void ToolTipItem::setPlotInfo(const plot_info &plot)
{
pInfo = plot;
}
void ToolTipItem::setTimeAxis(DiveCartesianAxis *axis)
{
timeAxis = axis;
}
void ToolTipItem::refresh(const QPointF &pos)
{
int time = timeAxis->valueAt(pos);
if (time == lastTime)
return;
lastTime = time;
clear();
struct membuffer mb = { 0 };
get_plot_details_new(&pInfo, time, &mb);
addToolTip(QString::fromUtf8(mb.buffer, mb.len));
free_buffer(&mb);
QList<QGraphicsItem *> items = scene()->items(pos, Qt::IntersectsItemShape, Qt::DescendingOrder, scene()->views().first()->transform());
Q_FOREACH(QGraphicsItem * item, items) {
if (!item->toolTip().isEmpty())
addToolTip(item->toolTip());
}
}