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FXRealSpinner.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *             R e a l - V a l u e d   S p i n n e r  W i d g e t                *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 2003,2004 by Bill Baxter.   All Rights Reserved.                *
00007 *********************************************************************************
00008 * This library is free software; you can redistribute it and/or                 *
00009 * modify it under the terms of the GNU Lesser General Public                    *
00010 * License as published by the Free Software Foundation; either                  *
00011 * version 2.1 of the License, or (at your option) any later version.            *
00012 *                                                                               *
00013 * This library is distributed in the hope that it will be useful,               *
00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of                *
00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             *
00016 * Lesser General Public License for more details.                               *
00017 *                                                                               *
00018 * You should have received a copy of the GNU Lesser General Public              *
00019 * License along with this library; if not, write to the Free Software           *
00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
00021 *********************************************************************************
00022 * $Id: FXRealSpinner.h,v 1.9 2004/02/08 17:17:34 fox Exp $                      *
00023 ********************************************************************************/
00024 #ifndef FXREALSPINNER_H
00025 #define FXREALSPINNER_H
00026 
00027 #ifndef FXPACKER_H
00028 #include "FXPacker.h"
00029 #endif
00030 
00031 namespace FX {
00032 
00033 
00034 // Spinner Options
00035 enum {
00036   REALSPIN_NORMAL  =  0,                // Normal, non-cyclic
00037   REALSPIN_CYCLIC  =  0x00020000,       // Cyclic spinner
00038   REALSPIN_NOTEXT  =  0x00040000,       // No text visible
00039   REALSPIN_NOMAX   =  0x00080000,       // Spin all the way up to infinity
00040   REALSPIN_NOMIN   =  0x00100000,       // Spin all the way down to -infinity
00041   REALSPIN_LOG     =  0x00200000        // Logarithmic rather than linear
00042   };
00043 
00044 
00045 class FXTextField;
00046 class FXDial;
00047 
00048 
00049 /// Spinner control
00050 class FXAPI FXRealSpinner : public FXPacker {
00051   FXDECLARE(FXRealSpinner)
00052 protected:
00053   FXTextField   *textField;         // Text field
00054   FXArrowButton *upButton;          // The up button
00055   FXArrowButton *downButton;        // The down button
00056   FXdouble       range[2];          // Reported data range
00057   FXdouble       base;              // Base while incrementing
00058   FXdouble       incr;              // Increment
00059   FXdouble       pos;               // Current position
00060   FXint          ticks;             // Ticks incrementing
00061 protected:
00062   FXRealSpinner();
00063 private:
00064   FXRealSpinner(const FXRealSpinner&);
00065   FXRealSpinner& operator=(const FXRealSpinner&);
00066 public:
00067   long onUpdIncrement(FXObject*,FXSelector,void*);
00068   long onCmdIncrement(FXObject*,FXSelector,void*);
00069   long onUpdDecrement(FXObject*,FXSelector,void*);
00070   long onCmdDecrement(FXObject*,FXSelector,void*);
00071   long onUpdEntry(FXObject*,FXSelector,void*);
00072   long onCmdEntry(FXObject*,FXSelector,void*);
00073   long onChgEntry(FXObject*,FXSelector,void*);
00074   long onWheelEntry(FXObject*,FXSelector,void*);
00075   long onKeyPress(FXObject*,FXSelector,void*);
00076   long onKeyRelease(FXObject*,FXSelector,void*);
00077   long onCmdSetValue(FXObject*,FXSelector,void*);
00078   long onCmdSetIntValue(FXObject*,FXSelector,void*);
00079   long onCmdGetIntValue(FXObject*,FXSelector,void*);
00080   long onCmdSetIntRange(FXObject*,FXSelector,void*);
00081   long onCmdGetIntRange(FXObject*,FXSelector,void*);
00082   long onCmdSetRealValue(FXObject*,FXSelector,void*);
00083   long onCmdGetRealValue(FXObject*,FXSelector,void*);
00084   long onCmdSetRealRange(FXObject*,FXSelector,void*);
00085   long onCmdGetRealRange(FXObject*,FXSelector,void*);
00086   long onFocusSelf(FXObject*,FXSelector,void*);
00087 public:
00088   enum{
00089     ID_INCREMENT=FXPacker::ID_LAST,
00090     ID_DECREMENT,
00091     ID_ENTRY,
00092     ID_LAST
00093     };
00094 public:
00095 
00096   /// Construct a spinner
00097   FXRealSpinner(FXComposite *p,FXint cols,FXObject *tgt=NULL,FXSelector sel=0,FXuint opts=REALSPIN_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);
00098 
00099   /// Perform layout
00100   virtual void layout();
00101 
00102   /// Disable spinner
00103   virtual void disable();
00104 
00105   /// Enable spinner
00106   virtual void enable();
00107 
00108   /// Return default width
00109   virtual FXint getDefaultWidth();
00110 
00111   /// Return default height
00112   virtual FXint getDefaultHeight();
00113 
00114   /// Increment spinner
00115   void increment();
00116 
00117   /// Decrement spinner
00118   void decrement();
00119 
00120   /// Return TRUE if in cyclic mode
00121   FXbool isCyclic() const;
00122 
00123   /// Set to cyclic mode, i.e. wrap around at maximum/minimum
00124   void setCyclic(FXbool cyclic);
00125 
00126   /// Return TRUE if text is visible
00127   FXbool isTextVisible() const;
00128 
00129   /// Set text visible flag
00130   void setTextVisible(FXbool shown);
00131 
00132   /// Change current value
00133   virtual void setValue(FXdouble value);
00134 
00135   /// Return current value
00136   FXdouble getValue() const { return pos; }
00137 
00138   /// Change the spinner's range
00139   void setRange(FXdouble lo,FXdouble hi);
00140 
00141   /// Get the spinner's current range
00142   void getRange(FXdouble& lo,FXdouble& hi) const { lo=range[0]; hi=range[1]; }
00143 
00144   /// Change spinner increment
00145   void setIncrement(FXdouble increment);
00146 
00147   /// Return spinner increment
00148   FXdouble getIncrement() const { return incr; }
00149 
00150   /// Set the text font
00151   void setFont(FXFont *fnt);
00152 
00153   /// Get the text font
00154   FXFont *getFont() const;
00155 
00156   /// Set the status line help text for this spinner
00157   void setHelpText(const FXString& text);
00158 
00159   /// Get the status line help text for this spinner
00160   FXString getHelpText() const;
00161 
00162   /// Set the tool tip message for this spinner
00163   void setTipText(const FXString& text);
00164 
00165   /// Get the tool tip message for this spinner
00166   FXString getTipText() const;
00167 
00168   /// Change spinner style
00169   void setSpinnerStyle(FXuint style);
00170 
00171   /// Return current spinner style
00172   FXuint getSpinnerStyle() const;
00173 
00174   /// Allow editing of the text field
00175   void setEditable(FXbool edit=TRUE);
00176 
00177   /// Return TRUE if text field is editable
00178   FXbool isEditable() const;
00179 
00180   /// Change color of the up arrow
00181   void setUpArrowColor(FXColor clr);
00182 
00183   /// Return color of the up arrow
00184   FXColor getUpArrowColor() const;
00185 
00186   /// Change color of the down arrow
00187   void setDownArrowColor(FXColor clr);
00188 
00189   /// Return color of the the down arrow
00190   FXColor getDownArrowColor() const;
00191 
00192   /// Change text color
00193   void setTextColor(FXColor clr);
00194 
00195   /// Return text color
00196   FXColor getTextColor() const;
00197 
00198   /// Change selected background color
00199   void setSelBackColor(FXColor clr);
00200 
00201   /// Return selected background color
00202   FXColor getSelBackColor() const;
00203 
00204   /// Change selected text color
00205   void setSelTextColor(FXColor clr);
00206 
00207   /// Return selected text color
00208   FXColor getSelTextColor() const;
00209 
00210   /// Changes the cursor color
00211   void setCursorColor(FXColor clr);
00212 
00213   /// Return the cursor color
00214   FXColor getCursorColor() const;
00215 
00216   /// Change width of text field in terms of number of columns * `m'
00217   void setNumColumns(FXint cols);
00218 
00219   /// Return number of columns
00220   FXint getNumColumns() const;
00221 
00222   /// Save spinner to a stream
00223   virtual void save(FXStream& store) const;
00224 
00225   /// Load spinner from a stream
00226   virtual void load(FXStream& store);
00227 
00228   /// Destructor
00229   virtual ~FXRealSpinner();
00230   };
00231 
00232 }
00233 
00234 #endif

Copyright © 1997-2004 Jeroen van der Zijp