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tdepim/korganizer/plugins/timespanview/timeline.cpp

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2.6 KiB

/*
This file is part of KOrganizer.
Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
As a special exception, permission is given to link this program
with any edition of Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#include <qpainter.h>
#include <kdebug.h>
#include "timeline.h"
#include "timeline.moc"
TimeLine::TimeLine( QWidget *parent, const char *name ) :
QScrollView( parent, name )
{
mPixelWidth = 1000;
resizeContents( mPixelWidth, 20 );
viewport()->setBackgroundMode( PaletteBackground );
setHScrollBarMode(AlwaysOff);
setVScrollBarMode(AlwaysOff);
}
TimeLine::~TimeLine()
{
}
void TimeLine::drawContents(QPainter* p, int cx, int cy, int cw, int ch)
{
int spacingX = mDaySpacing;
int offsetX = mDayOffset;
// Draw vertical lines of grid
// kdDebug(5850) << "drawContents cx: " << cx << " cy: " << cy << " cw: " << cw << " ch: " << ch << endl;
int cell = int( (cx - ( spacingX - offsetX ) ) / spacingX );
int x = cell * spacingX + ( spacingX - offsetX );
// kdDebug(5850) << " x: " << x << endl;
while (x < cx + cw) {
// kdDebug(5850) << " x: " << x << endl;
p->drawLine(x,cy,x,cy+ch);
p->drawText( x + 5, 15, QString::number( mStartDate.addDays( cell + 1 ).date().day() ) );
x += spacingX;
cell++;
}
}
void TimeLine::setDateRange( const QDateTime &start, const QDateTime &end )
{
mStartDate = start;
mEndDate = end;
mSecsPerPixel = mStartDate.secsTo( mEndDate ) / mPixelWidth;
mDaySpacing = 60 * 60 * 24 / mSecsPerPixel;
mDayOffset = QDateTime( mStartDate.date() ).secsTo( mStartDate ) / mSecsPerPixel;
kdDebug(5850) << "TimeLines::setDateRange(): mDaySpacing: " << mDaySpacing << " mDayOffset: "
<< mDayOffset << " mSecsPerPixel: " << mSecsPerPixel << endl;
}
void TimeLine::setContentsPos( int pos )
{
QScrollView::setContentsPos ( pos, 0 );
}