From 72a8faafdb6179e1353f7160ea0eb7dd5436719b Mon Sep 17 00:00:00 2001
From: APTX <APTX@.(none)>
Date: Thu, 27 Aug 2009 00:16:01 +0200
Subject: [PATCH] - Display the seek time with the marker shadow on the seek
 slider.

---
 src/seekslider.cpp | 42 ++++++++++++++++++++++++++++++++++++------
 src/seekslider.h   |  3 +++
 2 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/src/seekslider.cpp b/src/seekslider.cpp
index 5c8770a..0692e90 100644
--- a/src/seekslider.cpp
+++ b/src/seekslider.cpp
@@ -3,8 +3,10 @@
 #include <QPainter>
 #include <QEvent>
 #include <QMouseEvent>
-#include "aniplayer.h"
+#include <QTime>
+#include <QFontMetrics>
 
+#include "aniplayer.h"
 #include <QDebug>
 
 SeekSlider::SeekSlider(QWidget *parent) : QWidget(parent)
@@ -106,12 +108,15 @@ void SeekSlider::paintEvent(QPaintEvent *event)
 	seekerWidth = width() - 1;
 
 	const int markerWidth = 2;
-	const int markerPos = seekerLeft + 1 + markerWidth / 2 + qRound(double(m_value) / double(m_length) * double(seekerWidth - markerWidth / 2 - 1));
+	const int markerPos = time2pos(m_value);
 	const QColor markerColor(255, 0, 0);
 	const QColor markerShadowColor(255, 0, 0, 100);
 	const QColor previousMarkerColor(255, 255, 255);
 	const QColor watchedPartColor(0, 0, 255, 150);
 	const QColor unwatchedPartColor(0, 255, 0, 100);
+	const QColor toolTipBackgroundColor(0, 0, 0, 150);
+	const QColor toolTipForegroundColor(255, 255, 255);
+
 
 	// border
 	p.drawRect(seekerLeft, seekerTop, seekerWidth, seekerHeight);
@@ -121,12 +126,12 @@ void SeekSlider::paintEvent(QPaintEvent *event)
 	// unwatched part
 	p.fillRect(markerPos + markerWidth / 2, seekerTop + 1, seekerWidth - markerPos, seekerHeight - 1, unwatchedPartColor);
 
-	int i = 0;
+	int i = 1;
 	for (QQueue<qint64>::const_iterator it = previuousPos.constBegin(); it != previuousPos.constEnd(); ++it)
 	{
 		int markerPos = seekerLeft + 1 + markerWidth / 2 + qRound(double(*it) / double(m_length) * double(seekerWidth - markerWidth / 2 - 1));
 		QColor c = previousMarkerColor;
-		c.setAlpha(255 / previuousPos.count() * (i + 1));
+		c.setAlpha(255 / previuousPos.count() * i);
 		p.fillRect(markerPos - markerWidth / 2, seekerTop + 1, markerWidth, seekerHeight - 1, c);
 		++i;
 	}
@@ -135,10 +140,23 @@ void SeekSlider::paintEvent(QPaintEvent *event)
 	p.fillRect(markerPos - markerWidth / 2, seekerTop + 1, markerWidth, seekerHeight - 1, markerColor);
 
 	// marker shadow (where the marker would move when mouse is clicked)
-	if (drawMarkerShadow)
+	if (drawMarkerShadow && isEnabled())
 	{
 		markerShadowPos = qBound(seekerLeft + 1 + markerWidth / 2, markerShadowPos, seekerLeft + seekerWidth - markerWidth / 2);
 		p.fillRect(markerShadowPos - markerWidth / 2, seekerTop + 1, markerWidth, seekerHeight - 1, markerShadowColor);
+
+		QString time = QTime().addMSecs(pos2time(markerShadowPos)).toString("hh:mm:ss");
+		QRect r = p.fontMetrics().boundingRect(time);
+
+		int xdelta = markerShadowPos + markerWidth / 2 + 1;
+		if (xdelta + r.width() < width())
+			r.translate(xdelta, r.height());
+		else
+			r.translate(markerShadowPos - (markerWidth / 2 + 1) - r.width(), r.height());
+
+		p.fillRect(r, toolTipBackgroundColor);
+		p.setPen(QPen(toolTipForegroundColor));
+		p.drawText(r, time);
 	}
 
 }
@@ -280,7 +298,7 @@ void SeekSlider::setLength(qint64 length)
 void SeekSlider::seek(int x)
 {
 	int newMarkerPos = qBound(seekerLeft + 1, x, seekerLeft + seekerWidth);
-	qint64 newSeekPos = double(newMarkerPos) / double(seekerLeft + seekerWidth) * double(m_length);
+	qint64 newSeekPos = pos2time(newMarkerPos);
 
 	while (!previuousPos.isEmpty() && previuousPos.count() + 1 > maxPreviousPos) previuousPos.dequeue();
 	previuousPos.enqueue(m_value);
@@ -290,3 +308,15 @@ void SeekSlider::seek(int x)
 	ticking = false;
 	seek(newSeekPos);
 }
+
+qint64 SeekSlider::pos2time(int pos) const
+{
+	const int halfMarkerWidth = markerWidth / 2;
+	return qint64(double(pos - (seekerLeft + 1 + halfMarkerWidth)) / double(seekerWidth - halfMarkerWidth - 1) * double(m_length));
+}
+
+int SeekSlider::time2pos(qint64 msec) const
+{
+	const int halfMarkerWidth = markerWidth / 2;
+	return seekerLeft + 1 + halfMarkerWidth + qRound(double(msec) / double(m_length) * double(seekerWidth - halfMarkerWidth - 1));
+}
diff --git a/src/seekslider.h b/src/seekslider.h
index 45e7f4c..b28943c 100644
--- a/src/seekslider.h
+++ b/src/seekslider.h
@@ -79,6 +79,9 @@ private:
 
 	void seek(int x);
 
+	qint64 pos2time(int pos) const;
+	int time2pos(qint64 msec) const;
+
 	QPointer<Phonon::MediaObject> m_media;
 	bool ticking;
 	bool markerShadowEnabled;
-- 
2.52.0