/******************************************************************************** * * * R e a l S l i d e r W i d g e t * * * ********************************************************************************* * Copyright (C) 1997,2024 by Jeroen van der Zijp. All Rights Reserved. * ********************************************************************************* * This library is free software; you can redistribute it and/or modify * * it under the terms of the GNU Lesser General Public License as published by * * the Free Software Foundation; either version 3 of the License, or * * (at your option) any later version. * * * * This library is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU Lesser General Public License for more details. * * * * You should have received a copy of the GNU Lesser General Public License * * along with this program. If not, see * ********************************************************************************/ #ifndef FXREALSLIDER_H #define FXREALSLIDER_H #ifndef FXFRAME_H #include "FXFrame.h" #endif namespace FX { /// Slider Control styles enum { REALSLIDER_HORIZONTAL = 0, /// Slider shown horizontally REALSLIDER_VERTICAL = 0x00008000, /// Slider shown vertically REALSLIDER_ARROW_UP = 0x00010000, /// Slider has arrow head pointing up REALSLIDER_ARROW_DOWN = 0x00020000, /// Slider has arrow head pointing down REALSLIDER_ARROW_LEFT = REALSLIDER_ARROW_UP, /// Slider has arrow head pointing left REALSLIDER_ARROW_RIGHT = REALSLIDER_ARROW_DOWN, /// Slider has arrow head pointing right REALSLIDER_INSIDE_BAR = 0x00040000, /// Slider is inside the slot rather than overhanging REALSLIDER_TICKS_TOP = 0x00080000, /// Ticks on the top of horizontal slider REALSLIDER_TICKS_BOTTOM = 0x00100000, /// Ticks on the bottom of horizontal slider REALSLIDER_TICKS_LEFT = REALSLIDER_TICKS_TOP, /// Ticks on the left of vertical slider REALSLIDER_TICKS_RIGHT = REALSLIDER_TICKS_BOTTOM, /// Ticks on the right of vertical slider REALSLIDER_NORMAL = REALSLIDER_HORIZONTAL }; /** * The real slider widget is a valuator widget which provides simple linear value range. * Two visual appearances are supported:- the sunken look, which is enabled with * the SLIDER_INSIDE_BAR option and the regular look. The latter may have optional * arrows on the slider thumb. * While being moved, the real slider sends a SEL_CHANGED message to its target; * at the end of the interaction, a SEL_COMMAND message is sent. * The message data represents the current slider value, of type pointer to FXdouble. */ class FXAPI FXRealSlider : public FXFrame { FXDECLARE(FXRealSlider) protected: FXint headPos; // Head position FXint headSize; // Head size FXint slotSize; // Slot size FXColor slotColor; // Color of slot the head moves in FXint dragPoint; // Where on the head is grabbed FXdouble range[2]; // Reported data range FXdouble delta; // Interval between ticks FXdouble incr; // Increment when auto-sliding FXdouble gran; // Granularity FXdouble pos; // Reported data position FXString help; // Help string FXString tip; // Tip string protected: FXRealSlider(); void drawSliderHead(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); void drawHorzTicks(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); void drawVertTicks(FXDCWindow& dc,FXint x,FXint y,FXint w,FXint h); private: FXRealSlider(const FXRealSlider&); FXRealSlider &operator=(const FXRealSlider&); public: long onPaint(FXObject*,FXSelector,void*); long onMotion(FXObject*,FXSelector,void*); long onMouseWheel(FXObject*,FXSelector,void*); long onLeftBtnPress(FXObject*,FXSelector,void*); long onLeftBtnRelease(FXObject*,FXSelector,void*); long onMiddleBtnPress(FXObject*,FXSelector,void*); long onMiddleBtnRelease(FXObject*,FXSelector,void*); long onKeyPress(FXObject*,FXSelector,void*); long onKeyRelease(FXObject*,FXSelector,void*); long onUngrabbed(FXObject*,FXSelector,void*); long onAutoSlide(FXObject*,FXSelector,void*); long onCmdSetValue(FXObject*,FXSelector,void*); long onCmdSetIntValue(FXObject*,FXSelector,void*); long onCmdGetIntValue(FXObject*,FXSelector,void*); long onCmdSetLongValue(FXObject*,FXSelector,void*); long onCmdGetLongValue(FXObject*,FXSelector,void*); long onCmdSetRealValue(FXObject*,FXSelector,void*); long onCmdGetRealValue(FXObject*,FXSelector,void*); long onCmdSetIntRange(FXObject*,FXSelector,void*); long onCmdGetIntRange(FXObject*,FXSelector,void*); long onCmdSetRealRange(FXObject*,FXSelector,void*); long onCmdGetRealRange(FXObject*,FXSelector,void*); long onCmdSetHelp(FXObject*,FXSelector,void*); long onCmdGetHelp(FXObject*,FXSelector,void*); long onCmdSetTip(FXObject*,FXSelector,void*); long onCmdGetTip(FXObject*,FXSelector,void*); long onQueryHelp(FXObject*,FXSelector,void*); long onQueryTip(FXObject*,FXSelector,void*); public: enum{ ID_AUTOSLIDE=FXFrame::ID_LAST, ID_LAST }; public: /// Construct a slider widget FXRealSlider(FXComposite* p,FXObject* tgt=nullptr,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); /// Return default width virtual FXint getDefaultWidth(); /// Return default height virtual FXint getDefaultHeight(); /// Returns true because a slider can receive focus virtual FXbool canFocus() const; /// Perform layout virtual void layout(); /// Enable the slider virtual void enable(); /// Disable the slider virtual void disable(); /// Change slider value void setValue(FXdouble value,FXbool notify=false); /// Return slider value FXdouble getValue() const { return pos; } /// Change the slider's range void setRange(FXdouble lo,FXdouble hi,FXbool notify=false); /// Get the slider's current range void getRange(FXdouble& lo,FXdouble& hi) const { lo=range[0]; hi=range[1]; } /// Change the slider style FXuint getSliderStyle() const; /// Get the current slider style void setSliderStyle(FXuint style); /// Get the slider's head size FXint getHeadSize() const { return headSize; } /// Change the slider's head size void setHeadSize(FXint hs); /// Get the slider's current slot size FXint getSlotSize() const { return slotSize; } /// Change the slider's slot size void setSlotSize(FXint bs); /// Get the slider's auto-increment/decrement value FXdouble getIncrement() const { return incr; } /// Change the slider's auto-increment/decrement value void setIncrement(FXdouble inc); /// Change slider's granularity void setGranularity(FXdouble gr); /// Return slider's granularity FXdouble getGranularity() const { return gran; } /// Change the delta between ticks void setTickDelta(FXdouble dist); /// Get delta between ticks FXdouble getTickDelta() const { return delta; } /// Change the color of the slot the slider head moves in void setSlotColor(FXColor clr); /// Get the current slot color FXColor getSlotColor() const { return slotColor; } /// Set the help text to be displayed on the status line void setHelpText(const FXString& text){ help=text; } /// Get the current help text const FXString& getHelpText() const { return help; } /// Set the tip text to be displayed in the tooltip void setTipText(const FXString& text){ tip=text; } /// Get the current tooltip text value const FXString& getTipText() const { return tip; } /// Save to stream virtual void save(FXStream& store) const; /// Load from stream virtual void load(FXStream& store); /// Destroy the slider virtual ~FXRealSlider(); }; } #endif