Fix drawing of account balance graph when balance < 0.0

1 files changed, 13 insertions, 0 deletions

diff --git a/noncore/apps/checkbook/graphinfo.cpp b/noncore/apps/checkbook/graphinfo.cpp
index fec6896..5b72c80 100644
--- a/noncore/apps/checkbook/graphinfo.cpp
+++ b/noncore/apps/checkbook/graphinfo.cpp
@@ -4,120 +4,133 @@
              .=l.            Copyright (c)  2002 Dan Williams <drw@handhelds.org>
            .>+-=
  _;:,     .>    :=|.         This file is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; either version 2 of the License,
      ._= =}       :          or (at your option) any later version.
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This file 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 file;
   -_. . .   )=.  =           see the file COPYING. If not, write to the
     --        :-=`           Free Software Foundation, Inc.,
                              59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #include "graphinfo.h"
 
 GraphInfo::GraphInfo( GraphType type, DataPointList *data, const QString &title,
 					  const QString &xtitle, const QString &ytitle )
 {
 	t = type;
 	d = data;
 	gt = title;
 	xt = xtitle;
 	yt = ytitle;
 }
 
 GraphInfo::~GraphInfo()
 {
 	if ( d )
 	{
 		for ( DataPointInfo *data = d->first(); data; data = d->next() )
 		{
 			delete data;
 		}
 	}
 }
 
 GraphInfo::GraphType GraphInfo::graphType()
 {
 	return t;
 }
 
 void GraphInfo::setGraphType( GraphType type )
 {
 	t = type;
 }
 
 DataPointList *GraphInfo::dataPoints()
 {
 	return d;
 }
 
 void GraphInfo::setDataPoints( DataPointList *data )
 {
 	d = data;
 }
 
 DataPointInfo *GraphInfo::firstDataPoint()
 {
 	return( d->first() );
 }
 
 DataPointInfo *GraphInfo::nextDataPoint()
 {
 	return( d->next() );
 }
 
 int GraphInfo::numberDataPoints()
 {
 	return( d->count() );
 }
 
 float GraphInfo::maxValue()
 {
 	float max = 0.0;
 	for ( DataPointInfo *data = d->first(); data; data = d->next() )
 	{
 		if ( data->value() > max )
 		{
 			max = data->value();
 		}
 	}
 	return max;
 }
 
+float GraphInfo::minValue()
+{
+	float min = 0.0;
+	for ( DataPointInfo *data = d->first(); data; data = d->next() )
+	{
+		if ( data->value() < min )
+		{
+			min = data->value();
+		}
+	}
+	return min;
+}
+
 float GraphInfo::totalValue()
 {
 	float sum = 0.0;
 	for ( DataPointInfo *data = d->first(); data; data = d->next() )
 	{
 		sum += data->value();
 	}
 	return sum;
 }
 
 void GraphInfo::setGraphTitle( const QString &title )
 {
 	gt = title;
 }
 
 void GraphInfo::setXAxisTitle( const QString &xtitle )
 {
 	xt = xtitle;
 }
 
 void GraphInfo::setYAxisTitle( const QString &ytitle )
 {
 	yt = ytitle;
 }