slider.hpp

00001 /*      _______   __   __   __   ______   __   __   _______   __   __
00002  *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
00003  *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
00004  *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
00005  *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
00006  * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
00007  * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
00008  *
00009  * Copyright (c) 2004, 2005, 2006 Olof Naessén and Per Larsson
00010  *
00011  *                                                         Js_./
00012  * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
00013  * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
00014  *                                                 _Qhm`] _f "'c  1!5m
00015  * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[
00016  *                                               .)j(] .d_/ '-(  P .   S
00017  * License: (BSD)                                <Td/Z <fP"5(\"??"\a.  .L
00018  * Redistribution and use in source and          _dV>ws?a-?'      ._/L  #'
00019  * binary forms, with or without                 )4d[#7r, .   '     )d`)[
00020  * modification, are permitted provided         _Q-5'5W..j/?'   -?!\)cam'
00021  * that the following conditions are met:       j<<WP+k/);.        _W=j f
00022  * 1. Redistributions of source code must       .$%w\/]Q  . ."'  .  mj$
00023  *    retain the above copyright notice,        ]E.pYY(Q]>.   a     J@\
00024  *    this list of conditions and the           j(]1u<sE"L,. .   ./^ ]{a
00025  *    following disclaimer.                     4'_uomm\.  )L);-4     (3=
00026  * 2. Redistributions in binary form must        )_]X{Z('a_"a7'<a"a,  ]"[
00027  *    reproduce the above copyright notice,       #}<]m7`Za??4,P-"'7. ).m
00028  *    this list of conditions and the            ]d2e)Q(<Q(  ?94   b-  LQ/
00029  *    following disclaimer in the                <B!</]C)d_, '(<' .f. =C+m
00030  *    documentation and/or other materials      .Z!=J ]e []('-4f _ ) -.)m]'
00031  *    provided with the distribution.          .w[5]' _[ /.)_-"+?   _/ <W"
00032  * 3. Neither the name of Guichan nor the      :$we` _! + _/ .        j?
00033  *    names of its contributors may be used     =3)= _f  (_yQmWW$#(    "
00034  *    to endorse or promote products derived     -   W,  sQQQQmZQ#Wwa]..
00035  *    from this software without specific        (js, \[QQW$QWW#?!V"".
00036  *    prior written permission.                    ]y:.<\..          .
00037  *                                                 -]n w/ '         [.
00038  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT       )/ )/           !
00039  * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY         <  (; sac    ,    '
00040  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,               ]^ .-  %
00041  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF            c <   r
00042  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR            aga<  <La
00043  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE          5%  )P'-3L
00044  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR        _bQf` y`..)a
00045  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,          ,J?4P'.P"_(\?d'.,
00046  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES               _Pa,)!f/<[]/  ?"
00047  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT      _2-..:. .r+_,.. .
00048  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,     ?a.<%"'  " -'.a_ _,
00049  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION)                     ^
00050  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
00051  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00052  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
00053  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
00054  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00055  */
00056 
00057 #ifndef GCN_SLIDER_HPP
00058 #define GCN_SLIDER_HPP
00059 
00060 #include "guichan/keylistener.hpp"
00061 #include "guichan/mouselistener.hpp"
00062 #include "guichan/platform.hpp"
00063 #include "guichan/widget.hpp"
00064 
00065 namespace gcn
00066 {
00072     class GCN_CORE_DECLSPEC Slider :
00073         public Widget,
00074         public MouseListener,
00075         public KeyListener
00076     {
00077     public:
00078 
00084         Slider(double scaleEnd = 1.0);
00085 
00092         Slider(double scaleStart, double scaleEnd);
00093 
00097         virtual ~Slider() { }
00098 
00105         virtual void setScale(double scaleStart, double scaleEnd);
00106 
00112         virtual double getScaleStart() const;
00113 
00119         virtual void setScaleStart(double scaleStart);
00120 
00126         virtual double getScaleEnd() const;
00127 
00133         virtual void setScaleEnd(double scaleEnd);
00134 
00140         virtual double getValue() const;
00141 
00147         virtual void setValue(double value);
00148 
00154         virtual void drawMarker(gcn::Graphics* graphics);
00155 
00161         virtual void setMarkerLength(int length);
00162 
00168         virtual int getMarkerLength() const;
00169 
00176         virtual void setOrientation(unsigned int orientation);
00177 
00183         virtual unsigned int getOrientation() const;
00184 
00191         virtual void setStepLength(double length);
00192 
00198         virtual double getStepLength() const;
00199 
00200 
00201         // Inherited from Widget
00202 
00203         virtual void draw(gcn::Graphics* graphics);
00204 
00205         virtual void drawBorder(gcn::Graphics* graphics);
00206 
00207         virtual void lostFocus();
00208 
00209 
00210         // Inherited from MouseListener.
00211 
00212         virtual void mousePress(int x, int y, int button);
00213 
00214         virtual void mouseRelease(int x, int y, int button);
00215 
00216         virtual void mouseMotion(int x, int y);
00217 
00218         virtual void Slider::mouseWheelUp(int x, int y);
00219 
00220         virtual void Slider::mouseWheelDown(int x, int y);
00221 
00222 
00223         // Inherited from KeyListener
00224 
00225         virtual void keyPress(const Key& key);
00226 
00231         enum
00232         {
00233             HORIZONTAL = 0,
00234             VERTICAL
00235         };
00236 
00237     protected:
00244         virtual double markerPositionToValue(int v) const;
00245 
00252         virtual int valueToMarkerPosition(double value) const;
00253 
00259         virtual int getMarkerPosition() const;
00260 
00261         bool mMouseDrag;
00262         double mValue;
00263         double mStepLength;
00264         int mMarkerLength;
00265         double mScaleStart;
00266         double mScaleEnd;
00267         unsigned int mOrientation;
00268     };
00269 }
00270 
00271 #endif // end GCN_SLIDER_HPP

Generated on Sat Jul 29 19:38:48 2006 for Guichan by  doxygen 1.4.7