korganizer Library API Documentation

lineview.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 "koprefs.h" 00030 00031 #include "lineview.h" 00032 #include "lineview.moc" 00033 00034 LineView::LineView( QWidget *parent, const char *name ) : 00035 QScrollView( parent, name ) 00036 { 00037 mPixelWidth = 1000; 00038 00039 mLines.setAutoDelete( true ); 00040 00041 resizeContents( mPixelWidth, contentsHeight() ); 00042 00043 viewport()->setBackgroundColor(KOPrefs::instance()->mAgendaBgColor); 00044 } 00045 00046 LineView::~LineView() 00047 { 00048 } 00049 00050 int LineView::pixelWidth() 00051 { 00052 return mPixelWidth; 00053 } 00054 00055 void LineView::addLine( int start, int end ) 00056 { 00057 int count = mLines.count(); 00058 00059 if( start < 0 ) start = 0; 00060 if( end > mPixelWidth) end = mPixelWidth; 00061 00062 kdDebug(5850) << "LineView::addLine() col: " << count << " start: " << start 00063 << " end: " << end << endl; 00064 00065 mLines.append( new Line( count, start, end ) ); 00066 } 00067 00068 void LineView::clear() 00069 { 00070 mLines.clear(); 00071 update(); 00072 } 00073 00074 void LineView::drawContents(QPainter* p, int cx, int cy, int cw, int ch) 00075 { 00076 // kdDebug(5850) << "LineView::drawContents()" << endl; 00077 00078 // int mGridSpacingX = 10; 00079 int mGridSpacingY = 20; 00080 00081 #if 0 00082 // Draw vertical lines of grid 00083 // kdDebug(5850) << "drawContents cx: " << cx << " cy: " << cy << " cw: " << cw << " ch: " << ch << endl; 00084 int x = ((int)(cx/mGridSpacingX))*mGridSpacingX; 00085 while (x < cx + cw) { 00086 p->drawLine(x,cy,x,cy+ch); 00087 x+=mGridSpacingX; 00088 } 00089 #endif 00090 00091 // Draw horizontal lines of grid 00092 int y = ((int)(cy/mGridSpacingY))*mGridSpacingY + 10; 00093 while (y < cy + ch) { 00094 // kdDebug(5850) << " y: " << y << endl; 00095 p->drawLine(cx,y,cx+cw,y); 00096 y+=mGridSpacingY; 00097 } 00098 00099 Line *line; 00100 for( line = mLines.first(); line; line = mLines.next() ) { 00101 int ctop = line->column * 20 + 10 - 5; 00102 int cbottom = line->column * 20 + 10 + 5; 00103 int s = line->start; 00104 int e = line->end; 00105 // kdDebug(5850) << " LineView::drawContents(): ctop: " << ctop << " cbottom: " 00106 // << cbottom << " s: " << s << " e: " << e << endl; 00107 if ( ctop <= (cy+ch) && cbottom >= cy && 00108 s <= (cx+cw) && e >= cx ) { 00109 if ( s < cx ) s = cx; 00110 if ( e > (cx+cw) ) e = cx+cw; 00111 if ( ctop < cy ) ctop = cy; 00112 if ( cbottom > (cy+ch) ) cbottom = cy+ch; 00113 // kdDebug(5850) << " drawContents(): ctop: " << ctop << " cbottom: " 00114 // << cbottom << " s: " << s << " e: " << e << endl; 00115 p->fillRect( s, ctop, e - s + 1, cbottom - ctop + 1, QBrush("red") ); 00116 } 00117 } 00118 }
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This file is part of the documentation for korganizer Library Version 3.3.0.
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