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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /kmid/qslidertime.cpp
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kmid/qslidertime.cpp b/kmid/qslidertime.cpp
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+++ b/kmid/qslidertime.cpp
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+/**************************************************************************
+
+ kslidertime.cpp - A widget that displays time tags under a KSlider
+ Copyright (C) 1997,98 Antonio Larrosa Jimenez
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ Send comments and bug fixes to larrosa@kde.org
+ or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
+
+***************************************************************************/
+#include "qslidertime.h"
+#include <qwidget.h>
+#include <qpainter.h>
+#include <stdio.h>
+
+#define ARROW_LENGTH 13
+
+QSliderTime::QSliderTime( QSlider *ksl, QWidget *parent, const char *name)
+ : QWidget (parent,name)
+{
+kslider=ksl;
+
+QPainter painter;
+QFontMetrics qfmt(painter.font());
+fontheight=qfmt.height();
+
+}
+
+char *QSliderTime::formatMillisecs(int ms,char *tmp)
+{
+ if (ms<60000)
+ {
+ sprintf(tmp,"0:%02d",ms/1000);
+ }
+ else
+ sprintf(tmp,"%d:%02d",ms/60000,(ms%60000)/1000);
+return tmp;
+}
+
+void QSliderTime::paintEvent( QPaintEvent * )
+{
+ QPainter painter(this);
+
+// erase();
+ drawTimeMarks(&painter);
+}
+
+int quantizeTimeStep(int t)
+{
+if (t<=2000) t=2000;
+ else if (t<=5000) t=5000;
+ else if (t<=10000) t=10000;
+ else if (t<=15000) t=15000;
+ else if (t<=30000) t=30000;
+ else if (t<=60000) t=60000;
+ else if (t<=120000) t=120000;
+return t;
+}
+
+void QSliderTime::drawTimeMarks(QPainter *painter)
+{
+if (kslider==NULL) return;
+ int i;
+ int maxV = kslider->maxValue();
+ QFontMetrics qfmt(painter->font());
+ fontheight=qfmt.height();
+ int ntimetags = width()/(qfmt.width("-88:88-"));
+ int timestep;
+ if (ntimetags>1) timestep = maxV/(ntimetags);
+ else timestep=maxV;
+ timestep = quantizeTimeStep(timestep);
+ ntimetags = maxV/timestep;
+
+ // draw time tags (only in horizontal !!)
+ int posy=qfmt.height();
+ char *tmp=new char[100];
+ int pos=0;
+ int deltapos=0;
+ formatMillisecs(0,tmp);
+ painter->drawText( 0, posy,tmp);
+ for ( i = timestep; i <= maxV - timestep; i += timestep )
+ {
+ pos = (width()-10) * i / maxV + 5;
+ formatMillisecs(i,tmp);
+ deltapos=qfmt.width(tmp)/2;
+ painter->drawText( pos-deltapos, posy,tmp);
+ }
+
+ pos = width()- 5;
+ formatMillisecs(maxV,tmp);
+ deltapos=qfmt.width(tmp);
+
+ painter->drawText( pos-deltapos, posy,tmp);
+
+}
+
+
+QSize QSliderTime::sizeHint()
+{
+ return QSize(10,fontheight+2);
+}
+
+QSizePolicy QSliderTime::sizePolicy()
+{
+ return QSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
+}
+#include "qslidertime.moc"