libyui

/data/gitorious.org/libyui/libyui-master/src/YBarGraph.h

00001 /**************************************************************************
00002 Copyright (C) 2000 - 2010 Novell, Inc.
00003 All Rights Reserved.
00004 
00005 This program is free software; you can redistribute it and/or modify
00006 it under the terms of the GNU General Public License as published by
00007 the Free Software Foundation; either version 2 of the License, or
00008 (at your option) any later version.
00009 
00010 This program is distributed in the hope that it will be useful,
00011 but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 GNU General Public License for more details.
00014 
00015 You should have received a copy of the GNU General Public License along
00016 with this program; if not, write to the Free Software Foundation, Inc.,
00017 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00018 
00019 **************************************************************************/
00020 
00021 
00022 /*---------------------------------------------------------------------\
00023 |                                                                      |
00024 |                      __   __    ____ _____ ____                      |
00025 |                      \ \ / /_ _/ ___|_   _|___ \                     |
00026 |                       \ V / _` \___ \ | |   __) |                    |
00027 |                        | | (_| |___) || |  / __/                     |
00028 |                        |_|\__,_|____/ |_| |_____|                    |
00029 |                                                                      |
00030 |                               core system                            |
00031 |                                                        (C) SuSE GmbH |
00032 \----------------------------------------------------------------------/
00033 
00034   File:         YBarGraph.h
00035 
00036   Author:       Stefan Hundhammer <sh@suse.de>
00037 
00038 /-*/
00039 
00040 #ifndef YBarGraph_h
00041 #define YBarGraph_h
00042 
00043 #include "YWidget.h"
00044 #include "YColor.h"
00045 
00046 
00047 class YBarGraphPrivate;
00048 class YBarGraphSegment;
00049 
00050 
00051 class YBarGraph : public YWidget
00052 {
00053     friend class YBarGraphMultiUpdate;
00054 
00055 protected:
00059     YBarGraph( YWidget * parent );
00060 
00061 public:
00065     virtual ~YBarGraph();
00066 
00071     virtual const char * widgetClass() const { return "YBarGraph"; }
00072 
00084     void addSegment( const YBarGraphSegment & segment );
00085 
00089     void deleteAllSegments();
00090 
00094     int segments();
00095 
00101     const YBarGraphSegment & segment( int segmentIndex ) const;
00102 
00111     void setValue( int segmentIndex, int newValue );
00112 
00122     void setLabel( int segmentIndex, const string & newLabel );
00123 
00131     void setSegmentColor( int segmentIndex, const YColor & color );
00132 
00140     void setTextColor( int segmentIndex, const YColor & color );
00141 
00152     virtual bool setProperty( const string & propertyName,
00153                               const YPropertyValue & val );
00154 
00161     virtual YPropertyValue getProperty( const string & propertyName );
00162 
00169     virtual const YPropertySet & propertySet();
00170 
00171 
00172 protected:
00178     virtual void doUpdate() = 0;
00179 
00180 
00181 private:
00185     void updateDisplay();
00186 
00187     ImplPtr<YBarGraphPrivate> priv;
00188 };
00189 
00190 
00191 
00192 
00196 class YBarGraphSegment
00197 {
00198 public:
00214     YBarGraphSegment( int               value           = 0,
00215                       const string &    label           = string(),
00216                       const YColor &    segmentColor    = YColor(),
00217                       const YColor &    textColor       = YColor() )
00218         : _value( value )
00219         , _label( label )
00220         , _segmentColor( segmentColor )
00221         , _textColor( textColor )
00222         {}
00223 
00227     int value() const { return _value; }
00228 
00232     void setValue( int newValue ) { _value = newValue; }
00233 
00238     string label() const { return _label; }
00239 
00244     void setLabel( const string & newLabel ) { _label = newLabel; }
00245 
00249     YColor segmentColor() const { return _segmentColor; }
00250 
00256     bool hasSegmentColor() const { return _segmentColor.isDefined(); }
00257 
00261     void setSegmentColor( const YColor & color ) { _segmentColor = color; }
00262 
00266     YColor textColor() const { return _textColor; }
00267 
00273     bool hasTextColor() const { return _textColor.isDefined(); }
00274 
00278     void setTextColor( const YColor & color ) { _textColor = color; }
00279 
00280 
00281 private:
00282 
00283     int         _value;
00284     string      _label;
00285     YColor      _segmentColor;
00286     YColor      _textColor;
00287 };
00288 
00289 
00290 
00295 class YBarGraphMultiUpdate
00296 {
00297 public:
00319     YBarGraphMultiUpdate( YBarGraph * barGraph );
00320 
00327     ~YBarGraphMultiUpdate();
00328 
00329 private:
00330 
00331     YBarGraph * _barGraph;
00332 };
00333 
00334 
00335 #endif // YBarGraph_h
 All Classes Functions Variables Enumerations Friends