![]() |
Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members
![]() |
00001 /******************************************************************************** 00002 * * 00003 * S l i d e r W i d g e t * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1997,2002 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: FXSlider.h,v 1.28 2002/09/30 13:06:56 fox Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXSLIDER_H 00025 #define FXSLIDER_H 00026 00027 #ifndef FXFRAME_H 00028 #include "FXFrame.h" 00029 #endif 00030 00031 namespace FX { 00032 00033 00034 struct FXTimer; 00035 00036 00037 /// Slider Control styles 00038 enum { 00039 SLIDER_HORIZONTAL = 0, /// Slider shown horizontally 00040 SLIDER_VERTICAL = 0x00008000, /// Slider shown vertically 00041 SLIDER_ARROW_UP = 0x00010000, /// Slider has arrow head pointing up 00042 SLIDER_ARROW_DOWN = 0x00020000, /// Slider has arrow head pointing down 00043 SLIDER_ARROW_LEFT = SLIDER_ARROW_UP, /// Slider has arrow head pointing left 00044 SLIDER_ARROW_RIGHT = SLIDER_ARROW_DOWN, /// Slider has arrow head pointing right 00045 SLIDER_INSIDE_BAR = 0x00040000, /// Slider is inside the slot rather than overhanging 00046 SLIDER_TICKS_TOP = 0x00080000, /// Ticks on the top of horizontal slider 00047 SLIDER_TICKS_BOTTOM = 0x00100000, /// Ticks on the bottom of horizontal slider 00048 SLIDER_TICKS_LEFT = SLIDER_TICKS_TOP, /// Ticks on the left of vertical slider 00049 SLIDER_TICKS_RIGHT = SLIDER_TICKS_BOTTOM, /// Ticks on the right of vertical slider 00050 SLIDER_NORMAL = SLIDER_HORIZONTAL 00051 }; 00052 00053 00054 00055 /** 00056 * The slider widget is a valuator widget which provides simple linear value range. 00057 * Two visual appearances are supported:- the sunken look, which is enabled with 00058 * the SLIDER_INSIDE_BAR option and the regular look. The latter may have optional 00059 * arrows on the slider thumb. 00060 * While being moved, the slider sends a SEL_CHANGED message to its target; 00061 * at the end of the interaction, a SEL_COMMAND message is sent. 00062 * The message data represents the current slider value, of type FXint. 00063 */ 00064 class FXAPI FXSlider : public FXFrame { 00065 FXDECLARE(FXSlider) 00066 protected: 00067 FXint range[2]; // Reported data range 00068 FXint pos; // Reported data position 00069 FXint incr; // Increment when auto-sliding 00070 FXint delta; // Interval between ticks 00071 FXint headpos; // Head position 00072 FXint headsize; // Head size 00073 FXint slotsize; // Slot size 00074 FXColor slotColor; // Color of slot the head moves in 00075 FXTimer *timer; // Timer for auto-sliding 00076 FXint dragpoint; // Where the head is grabbed 00077 FXString help; // Help string 00078 FXString tip; // Tip string 00079 protected: 00080 FXSlider(); 00081 virtual void layout(); 00082 FXint headPos(FXint v) const; 00083 FXint headVal(FXint p) const; 00084 void drawSliderHead(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00085 void drawHorzTicks(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00086 void drawVertTicks(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00087 private: 00088 FXSlider(const FXSlider&); 00089 FXSlider &operator=(const FXSlider&); 00090 public: 00091 long onPaint(FXObject*,FXSelector,void*); 00092 long onLeftBtnPress(FXObject*,FXSelector,void*); 00093 long onLeftBtnRelease(FXObject*,FXSelector,void*); 00094 long onMiddleBtnPress(FXObject*,FXSelector,void*); 00095 long onMiddleBtnRelease(FXObject*,FXSelector,void*); 00096 long onUngrabbed(FXObject*,FXSelector,void*); 00097 long onMotion(FXObject*,FXSelector,void*); 00098 long onTimeInc(FXObject*,FXSelector,void*); 00099 long onTimeDec(FXObject*,FXSelector,void*); 00100 long onCmdSetValue(FXObject*,FXSelector,void*); 00101 long onCmdSetIntValue(FXObject*,FXSelector,void*); 00102 long onCmdGetIntValue(FXObject*,FXSelector,void*); 00103 long onCmdSetRealValue(FXObject*,FXSelector,void*); 00104 long onCmdGetRealValue(FXObject*,FXSelector,void*); 00105 long onCmdSetIntRange(FXObject*,FXSelector,void*); 00106 long onCmdGetIntRange(FXObject*,FXSelector,void*); 00107 long onCmdSetRealRange(FXObject*,FXSelector,void*); 00108 long onCmdGetRealRange(FXObject*,FXSelector,void*); 00109 long onQueryHelp(FXObject*,FXSelector,void*); 00110 long onQueryTip(FXObject*,FXSelector,void*); 00111 public: 00112 enum{ 00113 ID_AUTOINC=FXFrame::ID_LAST, 00114 ID_AUTODEC, 00115 ID_LAST 00116 }; 00117 public: 00118 00119 /// Construct a slider widget 00120 FXSlider(FXComposite* p,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=SLIDER_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); 00121 00122 /// Return default width 00123 virtual FXint getDefaultWidth(); 00124 00125 /// Return default height 00126 virtual FXint getDefaultHeight(); 00127 00128 /// Enable the slider 00129 virtual void enable(); 00130 00131 /// Disable the slider 00132 virtual void disable(); 00133 00134 /// Change slider value 00135 void setValue(FXint value); 00136 00137 /// Return slider value 00138 FXint getValue() const { return pos; } 00139 00140 /// Change the slider's range 00141 void setRange(FXint lo,FXint hi); 00142 00143 /// Get the slider's current range 00144 void getRange(FXint& lo,FXint& hi) const { lo=range[0]; hi=range[1]; } 00145 00146 /// Change the slider style 00147 FXuint getSliderStyle() const; 00148 00149 /// Get the current slider style 00150 void setSliderStyle(FXuint style); 00151 00152 /// Get the slider's head size 00153 FXint getHeadSize() const { return headsize; } 00154 00155 /// Change the slider's head size 00156 void setHeadSize(FXint hs); 00157 00158 /// Get the slider's current slot size 00159 FXint getSlotSize() const { return slotsize; } 00160 00161 /// Change the slider's slot size 00162 void setSlotSize(FXint bs); 00163 00164 /// Get the slider's auto-increment/decrement value 00165 FXint getIncrement() const { return incr; } 00166 00167 /// Change the slider's auto-increment/decrement value 00168 void setIncrement(FXint inc); 00169 00170 /// Change the delta between ticks 00171 void setTickDelta(FXint dist); 00172 00173 /// Get delta between ticks 00174 FXint getTickDelta() const { return delta; } 00175 00176 /// Change the color of the slot the slider head moves in 00177 void setSlotColor(FXColor clr); 00178 00179 /// Get the current slot color 00180 FXColor getSlotColor() const { return slotColor; } 00181 00182 /// Set the help text to be displayed on the status line 00183 void setHelpText(const FXString& text); 00184 00185 /// Get the current help text 00186 const FXString& getHelpText() const { return help; } 00187 00188 /// Set the tip text to be displayed in the tooltip 00189 void setTipText(const FXString& text); 00190 00191 /// Get the current tooltip text value 00192 const FXString& getTipText() const { return tip; } 00193 00194 /// Save to stream 00195 virtual void save(FXStream& store) const; 00196 00197 /// Load from stream 00198 virtual void load(FXStream& store); 00199 00200 /// Destroy the slider 00201 virtual ~FXSlider(); 00202 }; 00203 00204 } 00205 00206 #endif