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00001 /******************************************************************************** 00002 * * 00003 * R e a l S l i d e r W i d g e t * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1997,2006 by Jeroen van der Zijp. 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: FXRealSlider.h,v 1.11 2006/01/22 17:58:08 fox Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXREALSLIDER_H 00025 #define FXREALSLIDER_H 00026 00027 #ifndef FXFRAME_H 00028 #include "FXFrame.h" 00029 #endif 00030 00031 namespace FX { 00032 00033 00034 /// Slider Control styles 00035 enum { 00036 REALSLIDER_HORIZONTAL = 0, /// Slider shown horizontally 00037 REALSLIDER_VERTICAL = 0x00008000, /// Slider shown vertically 00038 REALSLIDER_ARROW_UP = 0x00010000, /// Slider has arrow head pointing up 00039 REALSLIDER_ARROW_DOWN = 0x00020000, /// Slider has arrow head pointing down 00040 REALSLIDER_ARROW_LEFT = REALSLIDER_ARROW_UP, /// Slider has arrow head pointing left 00041 REALSLIDER_ARROW_RIGHT = REALSLIDER_ARROW_DOWN, /// Slider has arrow head pointing right 00042 REALSLIDER_INSIDE_BAR = 0x00040000, /// Slider is inside the slot rather than overhanging 00043 REALSLIDER_TICKS_TOP = 0x00080000, /// Ticks on the top of horizontal slider 00044 REALSLIDER_TICKS_BOTTOM = 0x00100000, /// Ticks on the bottom of horizontal slider 00045 REALSLIDER_TICKS_LEFT = REALSLIDER_TICKS_TOP, /// Ticks on the left of vertical slider 00046 REALSLIDER_TICKS_RIGHT = REALSLIDER_TICKS_BOTTOM, /// Ticks on the right of vertical slider 00047 REALSLIDER_NORMAL = REALSLIDER_HORIZONTAL 00048 }; 00049 00050 00051 /** 00052 * The real slider widget is a valuator widget which provides simple linear value range. 00053 * Two visual appearances are supported:- the sunken look, which is enabled with 00054 * the SLIDER_INSIDE_BAR option and the regular look. The latter may have optional 00055 * arrows on the slider thumb. 00056 * While being moved, the real slider sends a SEL_CHANGED message to its target; 00057 * at the end of the interaction, a SEL_COMMAND message is sent. 00058 * The message data represents the current slider value, of type pointer to FXdouble. 00059 */ 00060 class FXAPI FXRealSlider : public FXFrame { 00061 FXDECLARE(FXRealSlider) 00062 protected: 00063 FXdouble range[2]; // Reported data range 00064 FXdouble pos; // Reported data position 00065 FXdouble incr; // Increment when auto-sliding 00066 FXdouble delta; // Interval between ticks 00067 FXint headpos; // Head position 00068 FXint headsize; // Head size 00069 FXint slotsize; // Slot size 00070 FXColor slotColor; // Color of slot the head moves in 00071 FXint dragpoint; // Where on the head is grabbed 00072 FXString help; // Help string 00073 FXString tip; // Tip string 00074 protected: 00075 FXRealSlider(); 00076 void drawSliderHead(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00077 void drawHorzTicks(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00078 void drawVertTicks(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00079 private: 00080 FXRealSlider(const FXRealSlider&); 00081 FXRealSlider &operator=(const FXRealSlider&); 00082 public: 00083 long onPaint(FXObject*,FXSelector,void*); 00084 long onMotion(FXObject*,FXSelector,void*); 00085 long onMouseWheel(FXObject*,FXSelector,void*); 00086 long onLeftBtnPress(FXObject*,FXSelector,void*); 00087 long onLeftBtnRelease(FXObject*,FXSelector,void*); 00088 long onMiddleBtnPress(FXObject*,FXSelector,void*); 00089 long onMiddleBtnRelease(FXObject*,FXSelector,void*); 00090 long onKeyPress(FXObject*,FXSelector,void*); 00091 long onKeyRelease(FXObject*,FXSelector,void*); 00092 long onUngrabbed(FXObject*,FXSelector,void*); 00093 long onAutoSlide(FXObject*,FXSelector,void*); 00094 long onCmdSetValue(FXObject*,FXSelector,void*); 00095 long onCmdSetIntValue(FXObject*,FXSelector,void*); 00096 long onCmdGetIntValue(FXObject*,FXSelector,void*); 00097 long onCmdSetRealValue(FXObject*,FXSelector,void*); 00098 long onCmdGetRealValue(FXObject*,FXSelector,void*); 00099 long onCmdSetIntRange(FXObject*,FXSelector,void*); 00100 long onCmdGetIntRange(FXObject*,FXSelector,void*); 00101 long onCmdSetRealRange(FXObject*,FXSelector,void*); 00102 long onCmdGetRealRange(FXObject*,FXSelector,void*); 00103 long onCmdSetHelp(FXObject*,FXSelector,void*); 00104 long onCmdGetHelp(FXObject*,FXSelector,void*); 00105 long onCmdSetTip(FXObject*,FXSelector,void*); 00106 long onCmdGetTip(FXObject*,FXSelector,void*); 00107 long onQueryHelp(FXObject*,FXSelector,void*); 00108 long onQueryTip(FXObject*,FXSelector,void*); 00109 public: 00110 enum{ 00111 ID_AUTOSLIDE=FXFrame::ID_LAST, 00112 ID_LAST 00113 }; 00114 public: 00115 00116 /// Construct a slider widget 00117 FXRealSlider(FXComposite* p,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=REALSLIDER_NORMAL,FXint x=0,FXint y=0,FXint w=0,FXint h=0,FXint pl=0,FXint pr=0,FXint pt=0,FXint pb=0); 00118 00119 /// Return default width 00120 virtual FXint getDefaultWidth(); 00121 00122 /// Return default height 00123 virtual FXint getDefaultHeight(); 00124 00125 /// Returns true because a slider can receive focus 00126 virtual bool canFocus() const; 00127 00128 /// Perform layout 00129 virtual void layout(); 00130 00131 /// Enable the slider 00132 virtual void enable(); 00133 00134 /// Disable the slider 00135 virtual void disable(); 00136 00137 /// Change slider value 00138 void setValue(FXdouble value,FXbool notify=FALSE); 00139 00140 /// Return slider value 00141 FXdouble getValue() const { return pos; } 00142 00143 /// Change the slider's range 00144 void setRange(FXdouble lo,FXdouble hi,FXbool notify=FALSE); 00145 00146 /// Get the slider's current range 00147 void getRange(FXdouble& lo,FXdouble& hi) const { lo=range[0]; hi=range[1]; } 00148 00149 /// Change the slider style 00150 FXuint getSliderStyle() const; 00151 00152 /// Get the current slider style 00153 void setSliderStyle(FXuint style); 00154 00155 /// Get the slider's head size 00156 FXint getHeadSize() const { return headsize; } 00157 00158 /// Change the slider's head size 00159 void setHeadSize(FXint hs); 00160 00161 /// Get the slider's current slot size 00162 FXint getSlotSize() const { return slotsize; } 00163 00164 /// Change the slider's slot size 00165 void setSlotSize(FXint bs); 00166 00167 /// Get the slider's auto-increment/decrement value 00168 FXdouble getIncrement() const { return incr; } 00169 00170 /// Change the slider's auto-increment/decrement value 00171 void setIncrement(FXdouble inc); 00172 00173 /// Change the delta between ticks 00174 void setTickDelta(FXdouble dist); 00175 00176 /// Get delta between ticks 00177 FXdouble getTickDelta() const { return delta; } 00178 00179 /// Change the color of the slot the slider head moves in 00180 void setSlotColor(FXColor clr); 00181 00182 /// Get the current slot color 00183 FXColor getSlotColor() const { return slotColor; } 00184 00185 /// Set the help text to be displayed on the status line 00186 void setHelpText(const FXString& text){ help=text; } 00187 00188 /// Get the current help text 00189 const FXString& getHelpText() const { return help; } 00190 00191 /// Set the tip text to be displayed in the tooltip 00192 void setTipText(const FXString& text){ tip=text; } 00193 00194 /// Get the current tooltip text value 00195 const FXString& getTipText() const { return tip; } 00196 00197 /// Save to stream 00198 virtual void save(FXStream& store) const; 00199 00200 /// Load from stream 00201 virtual void load(FXStream& store); 00202 00203 /// Destroy the slider 00204 virtual ~FXRealSlider(); 00205 }; 00206 00207 } 00208 00209 #endif
Copyright © 1997-2005 Jeroen van der Zijp |