korganizer Library API Documentation

timeline.cpp

00001 /* 00002 This file is part of KOrganizer. 00003 00004 Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org> 00005 00006 This program is free software; you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 2 of the License, or 00009 (at your option) any later version. 00010 00011 This program is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this program; if not, write to the Free Software 00018 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00019 00020 As a special exception, permission is given to link this program 00021 with any edition of Qt, and distribute the resulting executable, 00022 without including the source code for Qt in the source distribution. 00023 */ 00024 00025 #include <qpainter.h> 00026 00027 #include <kdebug.h> 00028 00029 #include "timeline.h" 00030 #include "timeline.moc" 00031 00032 TimeLine::TimeLine( QWidget *parent, const char *name ) : 00033 QScrollView( parent, name ) 00034 { 00035 mPixelWidth = 1000; 00036 00037 resizeContents( mPixelWidth, 20 ); 00038 00039 viewport()->setBackgroundMode( PaletteBackground ); 00040 00041 setHScrollBarMode(AlwaysOff); 00042 setVScrollBarMode(AlwaysOff); 00043 } 00044 00045 TimeLine::~TimeLine() 00046 { 00047 } 00048 00049 void TimeLine::drawContents(QPainter* p, int cx, int cy, int cw, int ch) 00050 { 00051 int spacingX = mDaySpacing; 00052 int offsetX = mDayOffset; 00053 00054 // Draw vertical lines of grid 00055 // kdDebug(5850) << "drawContents cx: " << cx << " cy: " << cy << " cw: " << cw << " ch: " << ch << endl; 00056 int cell = int( (cx - ( spacingX - offsetX ) ) / spacingX ); 00057 int x = cell * spacingX + ( spacingX - offsetX ); 00058 // kdDebug(5850) << " x: " << x << endl; 00059 while (x < cx + cw) { 00060 // kdDebug(5850) << " x: " << x << endl; 00061 p->drawLine(x,cy,x,cy+ch); 00062 p->drawText( x + 5, 15, QString::number( mStartDate.addDays( cell + 1 ).date().day() ) ); 00063 00064 x += spacingX; 00065 cell++; 00066 } 00067 } 00068 00069 void TimeLine::setDateRange( const QDateTime &start, const QDateTime &end ) 00070 { 00071 mStartDate = start; 00072 mEndDate = end; 00073 00074 mSecsPerPixel = mStartDate.secsTo( mEndDate ) / mPixelWidth; 00075 00076 mDaySpacing = 60 * 60 * 24 / mSecsPerPixel; 00077 00078 mDayOffset = QDateTime( mStartDate.date() ).secsTo( mStartDate ) / mSecsPerPixel; 00079 00080 kdDebug(5850) << "TimeLines::setDateRange(): mDaySpacing: " << mDaySpacing << " mDayOffset: " 00081 << mDayOffset << " mSecsPerPixel: " << mSecsPerPixel << endl; 00082 } 00083 00084 void TimeLine::setContentsPos( int pos ) 00085 { 00086 QScrollView::setContentsPos ( pos, 0 ); 00087 }
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This file is part of the documentation for korganizer Library Version 3.3.0.
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