2 files changed, 263 insertions, 0 deletions
diff --git a/qt-ui/profile/divetooltipitem.cpp b/qt-ui/profile/divetooltipitem.cpp
new file mode 100644
index 000000000..dbc6f1df0
--- /dev/null
+++ b/qt-ui/profile/divetooltipitem.cpp
@@ -0,0 +1,209 @@
+#include "divetooltipitem.h"
+#include <QPropertyAnimation>
+#include <QGraphicsSceneMouseEvent>
+#include <QPen>
+#include <QBrush>
+#include <QGraphicsScene>
+#include <QSettings>
+#include <QGraphicsView>
+
+#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;
+	char buffer[500];
+	get_plot_details(gc, time, buffer, 500);
+	addToolTip(QString(buffer));
+
+	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)
+{
+	title = new QGraphicsSimpleTextItem(tr("Information"), this);
+	separator = new QGraphicsLineItem(this);
+	setFlags(ItemIgnoresTransformations | ItemIsMovable | ItemClipsChildrenToShape);
+	status = COLLAPSED;
+	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() {
+	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);
+}
diff --git a/qt-ui/profile/divetooltipitem.h b/qt-ui/profile/divetooltipitem.h
new file mode 100644
index 000000000..9f7b83656
--- /dev/null
+++ b/qt-ui/profile/divetooltipitem.h
@@ -0,0 +1,54 @@
+#ifndef DIVETOOLTIPITEM_H
+#define DIVETOOLTIPITEM_H
+
+#include <QGraphicsPathItem>
+#include <QVector>
+#include <QPair>
+#include <QRectF>
+#include <QIcon>
+
+class QGraphicsLineItem;
+class QGraphicsSimpleTextItem;
+class QGraphicsPixmapItem;
+struct graphics_context;
+
+/* To use a tooltip, simply ->setToolTip on the QGraphicsItem that you want
+ * or, if it's a "global" tooltip, set it on the mouseMoveEvent of the ProfileGraphicsView.
+ */
+class ToolTipItem :public QObject, public QGraphicsPathItem
+{
+	Q_OBJECT
+	void updateTitlePosition();
+	Q_PROPERTY(QRectF rect READ boundingRect WRITE setRect)
+
+public:
+	enum Status{COLLAPSED, EXPANDED};
+	enum {ICON_SMALL = 16, ICON_MEDIUM = 24, ICON_BIG = 32, SPACING=4};
+
+	explicit ToolTipItem(QGraphicsItem* parent = 0);
+	virtual ~ToolTipItem();
+
+	void collapse();
+	void expand();
+	void clear();
+	void addToolTip(const QString& toolTip, const QIcon& icon = QIcon());
+	void refresh(struct graphics_context* gc, QPointF pos);
+	bool isExpanded();
+	void persistPos();
+	void readPos();
+	void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
+public slots:
+	void setRect(const QRectF& rect);
+
+private:
+	typedef QPair<QGraphicsPixmapItem*, QGraphicsSimpleTextItem*> ToolTip;
+	QVector<ToolTip> toolTips;
+	QGraphicsPathItem *background;
+	QGraphicsLineItem *separator;
+	QGraphicsSimpleTextItem *title;
+	Status status;
+	QRectF rectangle;
+	QRectF nextRectangle;
+};
+
+#endif
+\ No newline at end of file