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00001 /******************************************************************************** 00002 * * 00003 * S l i d e r W i d g e t * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1997,2009 by Jeroen van der Zijp. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or modify * 00009 * it under the terms of the GNU Lesser General Public License as published by * 00010 * the Free Software Foundation; either version 3 of the License, or * 00011 * (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 * 00016 * GNU Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public License * 00019 * along with this program. If not, see <http://www.gnu.org/licenses/> * 00020 ********************************************************************************* 00021 * $Id: FXSlider.h,v 1.52 2009/01/06 13:07:27 fox Exp $ * 00022 ********************************************************************************/ 00023 #ifndef FXSLIDER_H 00024 #define FXSLIDER_H 00025 00026 #ifndef FXFRAME_H 00027 #include "FXFrame.h" 00028 #endif 00029 00030 namespace FX { 00031 00032 00033 /// Slider Control styles 00034 enum { 00035 SLIDER_HORIZONTAL = 0, /// Slider shown horizontally 00036 SLIDER_VERTICAL = 0x00008000, /// Slider shown vertically 00037 SLIDER_ARROW_UP = 0x00010000, /// Slider has arrow head pointing up 00038 SLIDER_ARROW_DOWN = 0x00020000, /// Slider has arrow head pointing down 00039 SLIDER_ARROW_LEFT = SLIDER_ARROW_UP, /// Slider has arrow head pointing left 00040 SLIDER_ARROW_RIGHT = SLIDER_ARROW_DOWN, /// Slider has arrow head pointing right 00041 SLIDER_INSIDE_BAR = 0x00040000, /// Slider is inside the slot rather than overhanging 00042 SLIDER_TICKS_TOP = 0x00080000, /// Ticks on the top of horizontal slider 00043 SLIDER_TICKS_BOTTOM = 0x00100000, /// Ticks on the bottom of horizontal slider 00044 SLIDER_TICKS_LEFT = SLIDER_TICKS_TOP, /// Ticks on the left of vertical slider 00045 SLIDER_TICKS_RIGHT = SLIDER_TICKS_BOTTOM, /// Ticks on the right of vertical slider 00046 SLIDER_NORMAL = SLIDER_HORIZONTAL 00047 }; 00048 00049 00050 /** 00051 * The slider widget is a valuator widget which provides simple linear value range. 00052 * Two visual appearances are supported:- the sunken look, which is enabled with 00053 * the SLIDER_INSIDE_BAR option and the regular look. The latter may have optional 00054 * arrows on the slider thumb. 00055 * While being moved, the slider sends a SEL_CHANGED message to its target; 00056 * at the end of the interaction, a SEL_COMMAND message is sent. 00057 * The message data represents the current slider value, of type FXint. 00058 */ 00059 class FXAPI FXSlider : public FXFrame { 00060 FXDECLARE(FXSlider) 00061 protected: 00062 FXint headPos; // Head position 00063 FXint headSize; // Head size 00064 FXint slotSize; // Slot size 00065 FXColor slotColor; // Color of slot the head moves in 00066 FXint dragPoint; // Where the head is grabbed 00067 FXint range[2]; // Reported data range 00068 FXint delta; // Interval between ticks 00069 FXint incr; // Increment when auto-sliding 00070 FXint pos; // Reported data position 00071 FXString help; // Help string 00072 FXString tip; // Tip string 00073 protected: 00074 FXSlider(); 00075 void drawSliderHead(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00076 void drawHorzTicks(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00077 void drawVertTicks(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); 00078 private: 00079 FXSlider(const FXSlider&); 00080 FXSlider &operator=(const FXSlider&); 00081 public: 00082 long onPaint(FXObject*,FXSelector,void*); 00083 long onMotion(FXObject*,FXSelector,void*); 00084 long onMouseWheel(FXObject*,FXSelector,void*); 00085 long onLeftBtnPress(FXObject*,FXSelector,void*); 00086 long onLeftBtnRelease(FXObject*,FXSelector,void*); 00087 long onMiddleBtnPress(FXObject*,FXSelector,void*); 00088 long onMiddleBtnRelease(FXObject*,FXSelector,void*); 00089 long onKeyPress(FXObject*,FXSelector,void*); 00090 long onKeyRelease(FXObject*,FXSelector,void*); 00091 long onUngrabbed(FXObject*,FXSelector,void*); 00092 long onAutoSlide(FXObject*,FXSelector,void*); 00093 long onCmdSetValue(FXObject*,FXSelector,void*); 00094 long onCmdSetIntValue(FXObject*,FXSelector,void*); 00095 long onCmdGetIntValue(FXObject*,FXSelector,void*); 00096 long onCmdSetLongValue(FXObject*,FXSelector,void*); 00097 long onCmdGetLongValue(FXObject*,FXSelector,void*); 00098 long onCmdSetRealValue(FXObject*,FXSelector,void*); 00099 long onCmdGetRealValue(FXObject*,FXSelector,void*); 00100 long onCmdSetIntRange(FXObject*,FXSelector,void*); 00101 long onCmdGetIntRange(FXObject*,FXSelector,void*); 00102 long onCmdSetRealRange(FXObject*,FXSelector,void*); 00103 long onCmdGetRealRange(FXObject*,FXSelector,void*); 00104 long onCmdSetHelp(FXObject*,FXSelector,void*); 00105 long onCmdGetHelp(FXObject*,FXSelector,void*); 00106 long onCmdSetTip(FXObject*,FXSelector,void*); 00107 long onCmdGetTip(FXObject*,FXSelector,void*); 00108 long onQueryHelp(FXObject*,FXSelector,void*); 00109 long onQueryTip(FXObject*,FXSelector,void*); 00110 public: 00111 enum{ 00112 ID_AUTOSLIDE=FXFrame::ID_LAST, 00113 ID_LAST 00114 }; 00115 public: 00116 00117 /// Construct a slider widget 00118 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); 00119 00120 /// Return default width 00121 virtual FXint getDefaultWidth(); 00122 00123 /// Return default height 00124 virtual FXint getDefaultHeight(); 00125 00126 /// Returns true because a slider can receive focus 00127 virtual FXbool canFocus() const; 00128 00129 /// Perform layout 00130 virtual void layout(); 00131 00132 /// Enable the slider 00133 virtual void enable(); 00134 00135 /// Disable the slider 00136 virtual void disable(); 00137 00138 /// Change slider value 00139 void setValue(FXint value,FXbool notify=false); 00140 00141 /// Return slider value 00142 FXint getValue() const { return pos; } 00143 00144 /// Change the slider's range 00145 void setRange(FXint lo,FXint hi,FXbool notify=false); 00146 00147 /// Get the slider's current range 00148 void getRange(FXint& lo,FXint& hi) const { lo=range[0]; hi=range[1]; } 00149 00150 /// Change the slider style 00151 FXuint getSliderStyle() const; 00152 00153 /// Get the current slider style 00154 void setSliderStyle(FXuint style); 00155 00156 /// Get the slider's head size 00157 FXint getHeadSize() const { return headSize; } 00158 00159 /// Change the slider's head size 00160 void setHeadSize(FXint hs); 00161 00162 /// Get the slider's current slot size 00163 FXint getSlotSize() const { return slotSize; } 00164 00165 /// Change the slider's slot size 00166 void setSlotSize(FXint bs); 00167 00168 /// Get the slider's auto-increment/decrement value 00169 FXint getIncrement() const { return incr; } 00170 00171 /// Change the slider's auto-increment/decrement value 00172 void setIncrement(FXint inc); 00173 00174 /// Change the delta between ticks 00175 void setTickDelta(FXint dist); 00176 00177 /// Get delta between ticks 00178 FXint getTickDelta() const { return delta; } 00179 00180 /// Change the color of the slot the slider head moves in 00181 void setSlotColor(FXColor clr); 00182 00183 /// Get the current slot color 00184 FXColor getSlotColor() const { return slotColor; } 00185 00186 /// Set the help text to be displayed on the status line 00187 void setHelpText(const FXString& text){ help=text; } 00188 00189 /// Get the current help text 00190 const FXString& getHelpText() const { return help; } 00191 00192 /// Set the tip text to be displayed in the tooltip 00193 void setTipText(const FXString& text){ tip=text; } 00194 00195 /// Get the current tooltip text value 00196 const FXString& getTipText() const { return tip; } 00197 00198 /// Save to stream 00199 virtual void save(FXStream& store) const; 00200 00201 /// Load from stream 00202 virtual void load(FXStream& store); 00203 00204 /// Destroy the slider 00205 virtual ~FXSlider(); 00206 }; 00207 00208 } 00209 00210 #endif
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