mirror of https://github.com/sojamo/controlp5
649 lines
18 KiB
Java
Executable File
649 lines
18 KiB
Java
Executable File
package controlP5;
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/**
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* controlP5 is a processing gui library.
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*
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* 2006-2015 by Andreas Schlegel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*
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* @author Andreas Schlegel (http://www.sojamo.de)
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* @modified ##date##
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* @version ##version##
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*
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*/
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import java.util.ArrayList;
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import processing.core.PApplet;
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import processing.core.PGraphics;
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/**
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* A slider is either used horizontally or vertically. when adding a slider to controlP5, the width
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* is compared against the height. if the width is bigger, you get a horizontal slider, is the
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* height bigger, you get a vertical slider. a slider can have a fixed slider handle (one end of the
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* slider is fixed to the left or bottom side of the controller), or a flexible slider handle (a
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* handle you can drag).
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*
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*
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* @example controllers/ControlP5slider
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*/
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public class Slider extends Controller< Slider > {
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public final static int FIX = 1;
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public final static int FLEXIBLE = 0;
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protected int _mySliderMode = FIX;
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protected float _myValuePosition;
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protected int _myHandleSize = 0;
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protected int _myDefaultHandleSize = 10;
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protected int triggerId = PRESSED;
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protected ArrayList< TickMark > _myTickMarks = new ArrayList< TickMark >( );
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protected boolean isShowTickMarks;
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protected boolean isSnapToTickMarks;
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protected static int autoWidth = 99;
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protected static int autoHeight = 9;
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protected float scrollSensitivity = 0.1f;
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protected int _myColorTickMark = 0xffffffff;
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private SliderView _myView;
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protected float _myMinReal = 0;
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protected float _myMaxReal = 1;
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protected float _myInternalValue = 0;
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/**
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* Convenience constructor to extend Slider.
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*
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* @example use/ControlP5extendController
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* @param theControlP5
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* @param theName
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*/
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public Slider( ControlP5 theControlP5 , String theName ) {
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this( theControlP5 , theControlP5.getDefaultTab( ) , theName , 0 , 100 , 0 , 0 , 0 , autoWidth , autoHeight );
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theControlP5.register( theControlP5.papplet , theName , this );
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}
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public Slider( ControlP5 theControlP5 , ControllerGroup< ? > theParent , String theName , float theMin , float theMax , float theDefaultValue , int theX , int theY , int theWidth , int theHeight ) {
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super( theControlP5 , theParent , theName , theX , theY , theWidth , theHeight );
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_myMin = 0;
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_myMax = 1;
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// with _myMinReal and _myMaxReal the range of values can now range
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// from big to small (e.g. 255 to 0) as well as from small to big (e.g. 0 to 255)
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_myMinReal = theMin;
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_myMaxReal = theMax;
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_myValue = PApplet.map( theDefaultValue , _myMinReal , _myMaxReal , 0 , 1 );
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_myCaptionLabel = new Label( cp5 , theName ).setColor( color.getCaptionLabel( ) );
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_myValueLabel = new Label( cp5 , "" + getValue( ) ).setColor( color.getValueLabel( ) );
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setSliderMode( FIX );
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}
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@ControlP5.Invisible @Override public void init( ) {
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// need to override init here since _myValue will only be a
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// normalized value here but _myDefaultValue needs to be absolute.
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// by normalizing _myValue the range of values can be from 'big-to-small'
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// as well as from 'small-to-big'
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// in order not to break anything, init() will be overwritten here.
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_myDefaultValue = getValue( );
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cp5.getControlBroadcaster( ).plug( cp5.papplet , this , _myName );
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initControllerValue( );
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isInit = cp5.isAutoInitialization;
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setValue( _myDefaultValue );
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isInit = true;
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updateDisplayMode( DEFAULT );
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}
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/**
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* use the slider mode to set the mode of the slider bar, which can be Slider.FLEXIBLE or
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* Slider.FIX
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*
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* @param theMode
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* int
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*/
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public Slider setSliderMode( int theMode ) {
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_myView = ( getWidth( ) > getHeight( ) ) ? new SliderViewH( ) : new SliderViewV( );
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_myControllerView = ( getWidth( ) > getHeight( ) ) ? new SliderViewH( ) : new SliderViewV( );
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_mySliderMode = theMode;
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if ( _mySliderMode == FLEXIBLE ) {
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_myHandleSize = ( _myDefaultHandleSize >= getHeight( ) / 2 ) ? _myDefaultHandleSize / 2 : _myDefaultHandleSize;
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} else {
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_myHandleSize = 0;
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}
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_myView.updateUnit( );
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setValue( PApplet.map( _myValue , 0 , 1 , _myMinReal , _myMaxReal ) );
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return this;
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}
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public int getSliderMode( ) {
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return _mySliderMode;
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}
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/**
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* sets the size of the Slider handle, by default it is set to either the width or height of the
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* slider.
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*
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* @param theSize
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*/
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public Slider setHandleSize( int theSize ) {
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_myDefaultHandleSize = theSize;
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setSliderMode( _mySliderMode );
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return this;
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}
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public int getHandleSize( ) {
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return _myHandleSize;
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}
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/**
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* @see ControllerInterface.updateInternalEvents
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*
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*/
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@ControlP5.Invisible public Slider updateInternalEvents( PApplet theApplet ) {
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if ( isVisible ) {
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if ( isMousePressed && !cp5.isAltDown( ) ) {
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_myView.updateInternalEvents( theApplet );
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}
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}
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return this;
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}
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/**
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* the trigger event is set to Slider.PRESSED by default but can be changed to Slider.RELEASE so
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* that events are triggered when the slider is released.
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*
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* @param theEventID
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*/
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public Slider setTriggerEvent( int theEventID ) {
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triggerId = theEventID;
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return this;
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}
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/**
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* returns the current trigger event which is either Slider.PRESSED or Slider.RELEASE
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*
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* @return int
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*/
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public int getTriggerEvent( ) {
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return triggerId;
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}
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@Override protected void mouseReleasedOutside( ) {
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mouseReleased( );
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}
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@Override protected void mouseReleased( ) {
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if ( triggerId == RELEASE ) {
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_myView.update( );
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broadcast( FLOAT );
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}
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}
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protected Slider snapValue( float theValue ) {
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if ( isSnapToTickMarks ) {
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_myValuePosition = ( ( _myValue - _myMin ) / _myUnit );
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_myView.setSnapValue( );
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}
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return this;
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}
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public float getValuePosition( ) {
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return _myValuePosition;
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}
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/**
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* set the value of the slider.
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*
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* @param theValue
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* float
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*/
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@Override public Slider setValue( float theValue ) {
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if ( isMousePressed && theValue == getValue( ) ) {
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return this;
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}
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_myInternalValue = theValue;
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_myValue = PApplet.map( theValue , _myMinReal , _myMaxReal , 0 , 1 );
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snapValue( _myValue );
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_myValue = ( _myValue <= _myMin ) ? _myMin : _myValue;
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_myValue = ( _myValue >= _myMax ) ? _myMax : _myValue;
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_myValuePosition = ( ( _myValue - _myMin ) / _myUnit );
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_myValueLabel.set( adjustValue( getValue( ) ) );
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if ( triggerId == PRESSED ) {
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broadcast( FLOAT );
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}
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return this;
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}
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@Override public float getValue( ) {
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return PApplet.map( _myValue , 0 , 1 , _myMinReal , _myMaxReal );
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}
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/**
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* assigns a random value to the slider.
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*/
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public Slider shuffle( ) {
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float r = ( float ) Math.random( );
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setValue( PApplet.map( r , 0 , 1 , _myMinReal , _myMaxReal ) );
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return this;
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}
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/**
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* sets the sensitivity for the scroll behavior when using the mouse wheel or the scroll
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* function of a multi-touch track pad. The smaller the value (closer to 0) the higher the
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* sensitivity. by default this value is set to 0.1
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*
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* @param theValue
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* @return Slider
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*/
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public Slider setScrollSensitivity( float theValue ) {
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scrollSensitivity = theValue;
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return this;
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}
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/**
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* changes the value of the slider when hovering and using the mouse wheel or the scroll
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* function of a multi-touch track pad.
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*
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* @param theRotationValue
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* @return Slider
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*/
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@ControlP5.Invisible public Slider scrolled( int theRotationValue ) {
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if ( isVisible ) {
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float f = _myValue;
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float steps = isSnapToTickMarks ? ( 1.0f / getNumberOfTickMarks( ) ) : scrollSensitivity * 0.1f;
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f += ( _myMax - _myMin ) * ( -theRotationValue * steps );
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setValue( PApplet.map( f , 0 , 1 , _myMinReal , _myMaxReal ) );
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if ( triggerId == RELEASE ) {
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broadcast( FLOAT );
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}
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}
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return this;
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}
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@Override public Slider update( ) {
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return setValue( PApplet.map( _myValue , 0 , 1 , _myMinReal , _myMaxReal ) );
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}
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/**
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* sets the minimum value of the slider.
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*
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* @param theValue
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* float
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*/
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@Override public Slider setMin( float theValue ) {
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float f = getValue( );
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_myMinReal = theValue;
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_myValue = PApplet.map( f , _myMinReal , _myMaxReal , 0 , 1 );
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setSliderMode( _mySliderMode );
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return this;
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}
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/**
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* set the maximum value of the slider.
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*
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* @param theValue
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* float
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*/
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@Override public Slider setMax( float theValue ) {
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float f = getValue( );
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_myMaxReal = theValue;
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_myValue = PApplet.map( f , _myMinReal , _myMaxReal , 0 , 1 );
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setSliderMode( _mySliderMode );
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return this;
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}
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@Override public float getMin( ) {
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return _myMinReal;
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}
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@Override public float getMax( ) {
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return _myMaxReal;
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}
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public Slider setRange( float theMin , float theMax ) {
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float f = _myInternalValue;
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_myMinReal = theMin;
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_myMaxReal = theMax;
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_myValue = PApplet.map( f , _myMinReal , _myMaxReal , 0 , 1 );
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setSliderMode( _mySliderMode );
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return this;
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}
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/**
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* set the width of the slider.
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*
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* @param theValue
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* int
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*/
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@Override public Slider setWidth( int theValue ) {
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super.setWidth( theValue );
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setSliderMode( _mySliderMode );
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return this;
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}
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/**
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* set the height of the slider.
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*
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* @param theValue
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* int
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*/
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@Override public Slider setHeight( int theValue ) {
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super.setHeight( theValue );
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setSliderMode( _mySliderMode );
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return this;
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}
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@Override public Slider setSize( int theWidth , int theHeight ) {
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super.setWidth( theWidth );
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setHeight( theHeight );
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_myView = ( getWidth( ) > getHeight( ) ) ? new SliderViewH( ) : new SliderViewV( );
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return this;
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}
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/* TODO new implementations follow: http://www.ibm.com/developerworks/java/library/j-dynui/ take
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* interface builder as reference */
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protected Slider setTickMarks( ) {
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return this;
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}
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/**
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* sets the number of tickmarks for a slider, by default tick marks are turned off.
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*
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* @param theNumber
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*/
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public Slider setNumberOfTickMarks( int theNumber ) {
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_myTickMarks.clear( );
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if ( theNumber > 0 ) {
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for ( int i = 0 ; i < theNumber ; i++ ) {
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_myTickMarks.add( new TickMark( this ) );
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}
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showTickMarks( true );
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snapToTickMarks( true );
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setHandleSize( 20 );
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} else {
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showTickMarks( false );
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snapToTickMarks( false );
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setHandleSize( _myDefaultHandleSize );
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}
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setValue( PApplet.map( _myValue , 0 , 1 , _myMinReal , _myMaxReal ) );
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return this;
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}
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/**
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* returns the amount of tickmarks available for a slider
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*
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* @return int
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*/
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public int getNumberOfTickMarks( ) {
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return _myTickMarks.size( );
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}
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/**
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* shows or hides tickmarks for a slider
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*
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* @param theFlag
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* @return Slider
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*/
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public Slider showTickMarks( boolean theFlag ) {
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isShowTickMarks = theFlag;
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return this;
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}
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/**
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* enables or disables snap to tick marks.
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*
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* @param theFlag
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* @return Slider
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*/
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public Slider snapToTickMarks( boolean theFlag ) {
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isSnapToTickMarks = theFlag;
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return this;
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}
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/**
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* returns an instance of a tickmark by index.
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*
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* @see TickMark
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* @param theIndex
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* @return
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*/
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public TickMark getTickMark( int theIndex ) {
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if ( theIndex >= 0 && theIndex < _myTickMarks.size( ) ) {
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return _myTickMarks.get( theIndex );
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} else {
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return null;
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}
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}
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/**
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* returns an ArrayList of available tick marks for a slider.
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*
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* @return ArrayList<TickMark>
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*/
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public ArrayList< TickMark > getTickMarks( ) {
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return _myTickMarks;
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}
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/**
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* {@inheritDoc}
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*/
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@Override @ControlP5.Invisible public Slider linebreak( ) {
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cp5.linebreak( this , true , autoWidth , autoHeight , autoSpacing );
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return this;
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}
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/**
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* sets the color of tick marks if enabled. by default the color is set to white.
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*
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* @param theColor
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* @return Slider
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*/
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public Slider setColorTickMark( int theColor ) {
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_myColorTickMark = theColor;
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return this;
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}
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public int getDirection( ) {
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return ( _myView instanceof SliderViewH ) ? HORIZONTAL : VERTICAL;
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}
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/**
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* {@inheritDoc}
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*/
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@Override @ControlP5.Invisible public Slider updateDisplayMode( int theMode ) {
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_myDisplayMode = theMode;
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switch ( theMode ) {
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case ( DEFAULT ):
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_myControllerView = ( getWidth( ) > getHeight( ) ) ? new SliderViewH( ) : new SliderViewV( );
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break;
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case ( IMAGE ):
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// TODO
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break;
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case ( SPRITE ):
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// TODO
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break;
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case ( CUSTOM ):
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default:
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break;
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}
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return this;
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}
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private abstract class SliderView implements ControllerView< Slider > {
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abstract void updateInternalEvents( PApplet theApplet );
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abstract void update( );
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abstract void updateUnit( );
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abstract void setSnapValue( );
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}
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private class SliderViewV extends SliderView {
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SliderViewV( ) {
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_myCaptionLabel.align( LEFT , BOTTOM_OUTSIDE ).setPadding( 0 , Label.paddingY );
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_myValueLabel.set( "" + adjustValue( getValue( ) ) ).align( RIGHT_OUTSIDE , TOP );
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}
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void setSnapValue( ) {
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float n = PApplet.round( PApplet.map( _myValuePosition , 0 , getHeight( ) , 0 , _myTickMarks.size( ) - 1 ) );
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_myValue = PApplet.map( n , 0 , _myTickMarks.size( ) - 1 , _myMin , _myMax );
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}
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void updateUnit( ) {
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_myUnit = ( _myMax - _myMin ) / ( getHeight( ) - _myHandleSize );
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}
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void update( ) {
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float f = _myMin + ( - ( _myControlWindow.mouseY - ( y( _myParent.getAbsolutePosition( ) ) + y( position ) ) - getHeight( ) ) ) * _myUnit;
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setValue( PApplet.map( f , 0 , 1 , _myMinReal , _myMaxReal ) );
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}
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void updateInternalEvents( PApplet theApplet ) {
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float f = _myMin + ( - ( _myControlWindow.mouseY - ( y( _myParent.getAbsolutePosition( ) ) + y( position ) ) - getHeight( ) ) ) * _myUnit;
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setValue( PApplet.map( f , 0 , 1 , _myMinReal , _myMaxReal ) );
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}
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public void display( PGraphics theGraphics , Slider theController ) {
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theGraphics.fill( getColor( ).getBackground( ) );
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theGraphics.noStroke( );
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if ( ( getColor( ).getBackground( ) >> 24 & 0xff ) > 0 ) {
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theGraphics.rect( 0 , 0 , getWidth( ) , getHeight( ) );
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}
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theGraphics.fill( getIsInside( ) ? getColor( ).getActive( ) : getColor( ).getForeground( ) );
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if ( getSliderMode( ) == FIX ) {
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theGraphics.rect( 0 , getHeight( ) , getWidth( ) , -getValuePosition( ) );
|
|
} else {
|
|
if ( isShowTickMarks ) {
|
|
theGraphics.triangle( getWidth( ) , getHeight( ) - getValuePosition( ) , getWidth( ) , getHeight( ) - getValuePosition( ) - getHandleSize( ) , 0 , getHeight( ) - getValuePosition( ) - getHandleSize( ) / 2 );
|
|
} else {
|
|
theGraphics.rect( 0 , getHeight( ) - getValuePosition( ) - getHandleSize( ) , getWidth( ) , getHandleSize( ) );
|
|
}
|
|
}
|
|
|
|
if ( isLabelVisible ) {
|
|
getCaptionLabel( ).draw( theGraphics , 0 , 0 , theController );
|
|
theGraphics.pushMatrix( );
|
|
theGraphics.translate( 0 , ( int ) PApplet.map( _myValue , _myMax , _myMin , 0 , getHeight( ) - _myValueLabel.getHeight( ) ) );
|
|
getValueLabel( ).draw( theGraphics , 0 , 0 , theController );
|
|
theGraphics.popMatrix( );
|
|
}
|
|
|
|
if ( isShowTickMarks ) {
|
|
theGraphics.pushMatrix( );
|
|
theGraphics.pushStyle( );
|
|
theGraphics.translate( -4 , ( getSliderMode( ) == FIX ) ? 0 : getHandleSize( ) / 2 );
|
|
theGraphics.fill( _myColorTickMark );
|
|
float x = ( getHeight( ) - ( ( getSliderMode( ) == FIX ) ? 0 : getHandleSize( ) ) ) / ( getTickMarks( ).size( ) - 1 );
|
|
for ( TickMark tm : getTickMarks( ) ) {
|
|
tm.draw( theGraphics , getDirection( ) );
|
|
theGraphics.translate( 0 , x );
|
|
}
|
|
theGraphics.popStyle( );
|
|
theGraphics.popMatrix( );
|
|
}
|
|
}
|
|
}
|
|
|
|
private class SliderViewH extends SliderView {
|
|
|
|
SliderViewH( ) {
|
|
_myCaptionLabel.align( RIGHT_OUTSIDE , CENTER );
|
|
_myValueLabel.set( "" + adjustValue( getValue( ) ) ).align( LEFT , CENTER );
|
|
}
|
|
|
|
void setSnapValue( ) {
|
|
float n = PApplet.round( PApplet.map( _myValuePosition , 0 , getWidth( ) , 0 , _myTickMarks.size( ) - 1 ) );
|
|
_myValue = PApplet.map( n , 0 , _myTickMarks.size( ) - 1 , _myMin , _myMax );
|
|
}
|
|
|
|
void updateUnit( ) {
|
|
_myUnit = ( _myMax - _myMin ) / ( getWidth( ) - _myHandleSize );
|
|
}
|
|
|
|
void update( ) {
|
|
float f = _myMin + ( _myControlWindow.mouseX - ( x( _myParent.getAbsolutePosition( ) ) + x( position ) ) ) * _myUnit;
|
|
setValue( PApplet.map( f , 0 , 1 , _myMinReal , _myMaxReal ) );
|
|
}
|
|
|
|
void updateInternalEvents( PApplet theApplet ) {
|
|
float f = _myMin + ( _myControlWindow.mouseX - ( x( _myParent.getAbsolutePosition( ) ) + x( position ) ) ) * _myUnit;
|
|
setValue( PApplet.map( f , 0 , 1 , _myMinReal , _myMaxReal ) );
|
|
}
|
|
|
|
public void display( PGraphics theGraphics , Slider theController ) {
|
|
theGraphics.fill( getColor( ).getBackground( ) );
|
|
theGraphics.noStroke( );
|
|
if ( ( getColor( ).getBackground( ) >> 24 & 0xff ) > 0 ) {
|
|
theGraphics.rect( 0 , 0 , getWidth( ) , getHeight( ) );
|
|
}
|
|
theGraphics.fill( getIsInside( ) ? getColor( ).getActive( ) : getColor( ).getForeground( ) );
|
|
if ( getSliderMode( ) == FIX ) {
|
|
theGraphics.rect( 0 , 0 , getValuePosition( ) , getHeight( ) );
|
|
} else {
|
|
if ( isShowTickMarks ) {
|
|
theGraphics.triangle( getValuePosition( ) , 0 , getValuePosition( ) + getHandleSize( ) , 0 , getValuePosition( ) + _myHandleSize / 2 , getHeight( ) );
|
|
} else {
|
|
theGraphics.rect( getValuePosition( ) , 0 , getHandleSize( ) , getHeight( ) );
|
|
}
|
|
|
|
}
|
|
theGraphics.fill( 255 );
|
|
|
|
if ( isLabelVisible ) {
|
|
getValueLabel( ).draw( theGraphics , 0 , 0 , theController );
|
|
getCaptionLabel( ).draw( theGraphics , 0 , 0 , theController );
|
|
}
|
|
|
|
if ( isShowTickMarks ) {
|
|
theGraphics.pushMatrix( );
|
|
// theGraphics.pushStyle( );
|
|
theGraphics.translate( ( getSliderMode( ) == FIX ) ? 0 : getHandleSize( ) / 2 , getHeight( ) );
|
|
theGraphics.fill( _myColorTickMark );
|
|
theGraphics.noStroke( );
|
|
float x = ( getWidth( ) - ( ( getSliderMode( ) == FIX ) ? 0 : getHandleSize( ) ) ) / ( getTickMarks( ).size( ) - 1 );
|
|
for ( TickMark tm : getTickMarks( ) ) {
|
|
tm.draw( theGraphics , getDirection( ) );
|
|
theGraphics.translate( x , 0 );
|
|
}
|
|
// theGraphics.popStyle( );
|
|
theGraphics.popMatrix( );
|
|
}
|
|
}
|
|
}
|
|
|
|
@Deprecated public void setSliderBarSize( int theSize ) {
|
|
_myDefaultHandleSize = theSize;
|
|
setSliderMode( _mySliderMode );
|
|
}
|
|
|
|
/**
|
|
* @see controlP5.Slider#setScrollSensitivity(float)
|
|
*
|
|
* @param theValue
|
|
* @return Slider
|
|
*/
|
|
@Deprecated public Slider setSensitivity( float theValue ) {
|
|
return setScrollSensitivity( theValue );
|
|
}
|
|
|
|
}
|