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<h1>FXColorBar.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span>
00002 <span class="comment">* *</span>
00003 <span class="comment">* C o l o r B a r W i d g e t *</span>
00004 <span class="comment">* *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 2001,2004 by Jeroen van der Zijp. All Rights Reserved. *</span>
00007 <span class="comment">*********************************************************************************</span>
00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span>
00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span>
00010 <span class="comment">* License as published by the Free Software Foundation; either *</span>
00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span>
00012 <span class="comment">* *</span>
00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span>
00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span>
00016 <span class="comment">* Lesser General Public License for more details. *</span>
00017 <span class="comment">* *</span>
00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span>
00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span>
00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span>
00021 <span class="comment">*********************************************************************************</span>
00022 <span class="comment">* $Id: FXColorBar.h,v 1.16 2004/02/08 17:17:33 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXCOLORBAR_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXCOLORBAR_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="preprocessor">#ifndef FXFRAME_H</span>
00028 <span class="preprocessor"></span><span class="preprocessor">#include "FXFrame.h"</span>
00029 <span class="preprocessor">#endif</span>
00030 <span class="preprocessor"></span>
00031 <span class="keyword">namespace </span>FX {
00032
00033 <span class="comment"></span>
00034 <span class="comment">/// Color bar orientation</span>
00035 <span class="comment"></span><span class="keyword">enum</span> {
00036 <a class="code" href="group__FXColorBar__0.html#a0a65">COLORBAR_HORIZONTAL</a> = 0, <span class="comment">/// Color bar shown horizontally</span>
00037 <span class="comment"></span> <a class="code" href="group__FXColorBar__0.html#a0a66">COLORBAR_VERTICAL</a> = 0x00008000 <span class="comment">/// Color bar shown vertically</span>
00038 <span class="comment"></span> };
00039
00040
00041 <span class="keyword">class </span>FXImage;
00042
00043 <span class="comment"></span>
00044 <span class="comment">/**</span>
00045 <span class="comment">* A color bar is a widget which controls the brightness (value) of a</span>
00046 <span class="comment">* color by means of the hue, saturation, value specification system.</span>
00047 <span class="comment">*/</span>
00048 <span class="keyword">class </span>FXAPI FXColorBar : <span class="keyword">public</span> FXFrame {
00049 FXDECLARE(FXColorBar)
00050 <span class="keyword">protected</span>:
00051 FXImage *bar; <span class="comment">// Intensity bar</span>
00052 FXfloat hsv[3]; <span class="comment">// Hue, saturation, value</span>
00053 FXString tip; <span class="comment">// Tooltip value</span>
00054 FXString help; <span class="comment">// Help value</span>
<a name="l00055"></a><a class="code" href="classFX_1_1FXColorBar.html">00055</a> <span class="keyword">protected</span>:
00056 FXColorBar();
00057 <span class="keywordtype">void</span> updatebar();
00058 <span class="keyword">private</span>:
00059 FXColorBar(<span class="keyword">const</span> FXColorBar&);
00060 FXColorBar &operator=(<span class="keyword">const</span> FXColorBar&);
00061 <span class="keyword">public</span>:
00062 <span class="keywordtype">long</span> onPaint(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00063 <span class="keywordtype">long</span> onLeftBtnPress(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00064 <span class="keywordtype">long</span> onLeftBtnRelease(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00065 <span class="keywordtype">long</span> onMotion(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00066 <span class="keywordtype">long</span> onCmdSetHelp(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00067 <span class="keywordtype">long</span> onCmdGetHelp(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00068 <span class="keywordtype">long</span> onCmdSetTip(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00069 <span class="keywordtype">long</span> onCmdGetTip(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00070 <span class="keywordtype">long</span> onQueryHelp(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00071 <span class="keywordtype">long</span> onQueryTip(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00072 <span class="keyword">public</span>:
00073 <span class="comment"></span>
00074 <span class="comment"> /// Construct color bar</span>
00075 <span class="comment"></span> FXColorBar(<a class="code" href="classFX_1_1FXComposite.html">FXComposite</a>* p,<a class="code" href="classFX_1_1FXObject.html">FXObject</a>* tgt=NULL,FXSelector sel=0,FXuint opts=FRAME_NORMAL,FXint x=0,FXint y=0,FXint w=0,FXint h=0,FXint pl=DEFAULT_PAD,FXint pr=DEFAULT_PAD,FXint pt=DEFAULT_PAD,FXint pb=DEFAULT_PAD);
00076 <span class="comment"></span>
00077 <span class="comment"> /// Create server-side resources</span>
00078 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> create();
00079 <span class="comment"></span>
00080 <span class="comment"> /// Detach server-side resources</span>
00081 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> detach();
00082 <span class="comment"></span>
00083 <span class="comment"> /// Return default width</span>
00084 <span class="comment"></span> <span class="keyword">virtual</span> FXint getDefaultWidth();
00085 <span class="comment"></span>
00086 <span class="comment"> /// Return default height</span>
00087 <span class="comment"></span> <span class="keyword">virtual</span> FXint getDefaultHeight();
00088 <span class="comment"></span>
00089 <span class="comment"> /// Perform layout</span>
00090 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> layout();
00091 <span class="comment"></span>
<a name="l00092"></a><a class="code" href="classFX_1_1FXColorBar.html#a7">00092</a> <span class="comment"> /// Change hue</span>
00093 <span class="comment"></span> <span class="keywordtype">void</span> setHue(FXfloat h);
00094 <span class="comment"></span>
00095 <span class="comment"> /// Return hue</span>
00096 <span class="comment"></span> FXfloat getHue()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> hsv[0]; }
00097 <span class="comment"></span>
<a name="l00098"></a><a class="code" href="classFX_1_1FXColorBar.html#a9">00098</a> <span class="comment"> /// Change saturation</span>
00099 <span class="comment"></span> <span class="keywordtype">void</span> setSat(FXfloat s);
00100 <span class="comment"></span>
00101 <span class="comment"> /// Return saturation</span>
00102 <span class="comment"></span> FXfloat getSat()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> hsv[1]; }
00103 <span class="comment"></span>
<a name="l00104"></a><a class="code" href="classFX_1_1FXColorBar.html#a11">00104</a> <span class="comment"> /// Change value</span>
00105 <span class="comment"></span> <span class="keywordtype">void</span> setVal(FXfloat v);
00106 <span class="comment"></span>
00107 <span class="comment"> /// Return value</span>
00108 <span class="comment"></span> FXfloat getVal()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> hsv[2]; }
00109 <span class="comment"></span>
00110 <span class="comment"> /// Change the color bar style</span>
00111 <span class="comment"></span> FXuint getBarStyle() <span class="keyword">const</span>;
00112 <span class="comment"></span>
<a name="l00113"></a><a class="code" href="classFX_1_1FXColorBar.html#a14">00113</a> <span class="comment"> /// Get the color bar style</span>
00114 <span class="comment"></span> <span class="keywordtype">void</span> setBarStyle(FXuint style);
00115 <span class="comment"></span>
<a name="l00116"></a><a class="code" href="classFX_1_1FXColorBar.html#a15">00116</a> <span class="comment"> /// Set status line help text for this color bar</span>
00117 <span class="comment"></span> <span class="keywordtype">void</span> setHelpText(<span class="keyword">const</span> <a class="code" href="classFX_1_1FXString.html">FXString</a>& text){ help=text; }
00118 <span class="comment"></span>
<a name="l00119"></a><a class="code" href="classFX_1_1FXColorBar.html#a16">00119</a> <span class="comment"> /// Get status line help text for this color bar</span>
00120 <span class="comment"></span> <a class="code" href="classFX_1_1FXString.html">FXString</a> getHelpText()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> help; }
00121 <span class="comment"></span>
<a name="l00122"></a><a class="code" href="classFX_1_1FXColorBar.html#a17">00122</a> <span class="comment"> /// Set tool tip message for this color bar</span>
00123 <span class="comment"></span> <span class="keywordtype">void</span> setTipText(<span class="keyword">const</span> <a class="code" href="classFX_1_1FXString.html">FXString</a>& text){ tip=text; }
00124 <span class="comment"></span>
00125 <span class="comment"> /// Get tool tip message for this color bar</span>
00126 <span class="comment"></span> FXString getTipText()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> tip; }
00127 <span class="comment"></span>
00128 <span class="comment"> /// Save color bar to a stream</span>
00129 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> save(FXStream& store) <span class="keyword">const</span>;
00130 <span class="comment"></span>
00131 <span class="comment"> /// Load color bar from a stream</span>
00132 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> load(FXStream& store);
00133 <span class="comment"></span>
00134 <span class="comment"> /// Destructor</span>
00135 <span class="comment"></span> <span class="keyword">virtual</span> ~FXColorBar();
00136 };
00137
00138 }
00139
00140 <span class="preprocessor">#endif</span>
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