fox-toolkit.org - Documentation

00001 /******************************************************************************** 00002 * * 00003 * S l i d e r W i d g e t * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1997,2004 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 1.38 2004/03/25 16:30:25 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 /// Slider Control styles 00035 enum { 00036 SLIDER_HORIZONTAL = 0, /// Slider shown horizontally 00037 SLIDER_VERTICAL = 0x00008000, /// Slider shown vertically 00038 SLIDER_ARROW_UP = 0x00010000, /// Slider has arrow head pointing up 00039 SLIDER_ARROW_DOWN = 0x00020000, /// Slider has arrow head pointing down 00040 SLIDER_ARROW_LEFT = SLIDER_ARROW_UP, /// Slider has arrow head pointing left 00041 SLIDER_ARROW_RIGHT = SLIDER_ARROW_DOWN, /// Slider has arrow head pointing right 00042 SLIDER_INSIDE_BAR = 0x00040000, /// Slider is inside the slot rather than overhanging 00043 SLIDER_TICKS_TOP = 0x00080000, /// Ticks on the top of horizontal slider 00044 SLIDER_TICKS_BOTTOM = 0x00100000, /// Ticks on the bottom of horizontal slider 00045 SLIDER_TICKS_LEFT = SLIDER_TICKS_TOP, /// Ticks on the left of vertical slider 00046 SLIDER_TICKS_RIGHT = SLIDER_TICKS_BOTTOM, /// Ticks on the right of vertical slider 00047 SLIDER_NORMAL = SLIDER_HORIZONTAL 00048 }; 00049 00050 00051 /** 00052 * The 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 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 FXint. 00059 */ 00060 class FXAPI FXSlider : public FXFrame { 00061 FXDECLARE(FXSlider) 00062 protected: 00063 FXint range[2]; // Reported data range 00064 FXint pos; // Reported data position 00065 FXint incr; // Increment when auto-sliding 00066 FXint 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 the head is grabbed 00072 FXString help; // Help string 00073 FXString tip; // Tip string 00074 protected: 00075 FXSlider(); 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 FXSlider(const FXSlider&); 00081 FXSlider &operator=(const FXSlider&); 00082 public: 00083 long onPaint(FXObject*,FXSelector,void*); 00084 long onLeftBtnPress(FXObject*,FXSelector,void*); 00085 long onLeftBtnRelease(FXObject*,FXSelector,void*); 00086 long onMiddleBtnPress(FXObject*,FXSelector,void*); 00087 long onMiddleBtnRelease(FXObject*,FXSelector,void*); 00088 long onMouseWheel(FXObject*,FXSelector,void*); 00089 long onUngrabbed(FXObject*,FXSelector,void*); 00090 long onMotion(FXObject*,FXSelector,void*); 00091 long onAutoSlide(FXObject*,FXSelector,void*); 00092 long onCmdSetValue(FXObject*,FXSelector,void*); 00093 long onCmdSetIntValue(FXObject*,FXSelector,void*); 00094 long onCmdGetIntValue(FXObject*,FXSelector,void*); 00095 long onCmdSetRealValue(FXObject*,FXSelector,void*); 00096 long onCmdGetRealValue(FXObject*,FXSelector,void*); 00097 long onCmdSetIntRange(FXObject*,FXSelector,void*); 00098 long onCmdGetIntRange(FXObject*,FXSelector,void*); 00099 long onCmdSetRealRange(FXObject*,FXSelector,void*); 00100 long onCmdGetRealRange(FXObject*,FXSelector,void*); 00101 long onCmdSetHelp(FXObject*,FXSelector,void*); 00102 long onCmdGetHelp(FXObject*,FXSelector,void*); 00103 long onCmdSetTip(FXObject*,FXSelector,void*); 00104 long onCmdGetTip(FXObject*,FXSelector,void*); 00105 long onQueryHelp(FXObject*,FXSelector,void*); 00106 long onQueryTip(FXObject*,FXSelector,void*); 00107 public: 00108 enum{ 00109 ID_AUTOSLIDE=FXFrame::ID_LAST, 00110 ID_LAST 00111 }; 00112 public: 00113 00114 /// Construct a slider widget 00115 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); 00116 00117 /// Return default width 00118 virtual FXint getDefaultWidth(); 00119 00120 /// Return default height 00121 virtual FXint getDefaultHeight(); 00122 00123 /// Perform layout 00124 virtual void layout(); 00125 00126 /// Enable the slider 00127 virtual void enable(); 00128 00129 /// Disable the slider 00130 virtual void disable(); 00131 00132 /// Change slider value 00133 void setValue(FXint value); 00134 00135 /// Return slider value 00136 FXint getValue() const { return pos; } 00137 00138 /// Change the slider's range 00139 void setRange(FXint lo,FXint hi); 00140 00141 /// Get the slider's current range 00142 void getRange(FXint& lo,FXint& hi) const { lo=range[0]; hi=range[1]; } 00143 00144 /// Change the slider style 00145 FXuint getSliderStyle() const; 00146 00147 /// Get the current slider style 00148 void setSliderStyle(FXuint style); 00149 00150 /// Get the slider's head size 00151 FXint getHeadSize() const { return headsize; } 00152 00153 /// Change the slider's head size 00154 void setHeadSize(FXint hs); 00155 00156 /// Get the slider's current slot size 00157 FXint getSlotSize() const { return slotsize; } 00158 00159 /// Change the slider's slot size 00160 void setSlotSize(FXint bs); 00161 00162 /// Get the slider's auto-increment/decrement value 00163 FXint getIncrement() const { return incr; } 00164 00165 /// Change the slider's auto-increment/decrement value 00166 void setIncrement(FXint inc); 00167 00168 /// Change the delta between ticks 00169 void setTickDelta(FXint dist); 00170 00171 /// Get delta between ticks 00172 FXint getTickDelta() const { return delta; } 00173 00174 /// Change the color of the slot the slider head moves in 00175 void setSlotColor(FXColor clr); 00176 00177 /// Get the current slot color 00178 FXColor getSlotColor() const { return slotColor; } 00179 00180 /// Set the help text to be displayed on the status line 00181 void setHelpText(const FXString& text){ help=text; } 00182 00183 /// Get the current help text 00184 FXString getHelpText() const { return help; } 00185 00186 /// Set the tip text to be displayed in the tooltip 00187 void setTipText(const FXString& text){ tip=text; } 00188 00189 /// Get the current tooltip text value 00190 FXString getTipText() const { return tip; } 00191 00192 /// Save to stream 00193 virtual void save(FXStream& store) const; 00194 00195 /// Load from stream 00196 virtual void load(FXStream& store); 00197 00198 /// Destroy the slider 00199 virtual ~FXSlider(); 00200 }; 00201 00202 } 00203 00204 #endif