ewol/old_widget/Joystick.java

215 lines
7.3 KiB
Java

package org.atriasoft.ewol.widget;
import org.atriasoft.esignal.Connection;
import org.atriasoft.esignal.Signal;
import org.atriasoft.esignal.SignalEmpty;
import org.atriasoft.etk.Color;
import org.atriasoft.etk.Uri;
import org.atriasoft.etk.math.Vector3b;
import org.atriasoft.etk.math.Vector3f;
import org.atriasoft.ewol.Gravity;
import org.atriasoft.ewol.Padding;
import org.atriasoft.ewol.annotation.EwolDescription;
import org.atriasoft.ewol.annotation.EwolSignal;
import org.atriasoft.ewol.compositing.GuiShape;
import org.atriasoft.ewol.compositing.GuiShapeMode;
import org.atriasoft.ewol.compositing.ShapeBox;
import org.atriasoft.ewol.event.EventEntry;
import org.atriasoft.ewol.event.EventInput;
import org.atriasoft.ewol.event.EventTime;
import org.atriasoft.ewol.internal.Log;
import org.atriasoft.ewol.object.EwolObject;
import org.atriasoft.exml.annotation.XmlAttribute;
import org.atriasoft.exml.annotation.XmlManaged;
import org.atriasoft.exml.annotation.XmlName;
import org.atriasoft.gale.key.KeyKeyboard;
import org.atriasoft.gale.key.KeyStatus;
/**
* @ingroup ewolWidgetGroup
*/
class Joystick extends Widget {
private static boolean l_displayBackground(true);
private static String l_background("");
private static String l_foreground("");
private static float l_ratio(1.0/7.0);
// Event list of properties
@EwolSignal(name = "enable")
public SignalEmpty signalEnable = new SignalEmpty();
@EwolSignal(name = "disable")
public SignalEmpty signalDisable = new SignalEmpty();
@EwolSignal(name = "move")
public Signal<Vector2f> signalMove = new Signal<>();
public enum joystickMode {
modeNormal,
modeArrow,
};
private Color colorFg = Color.BLUE.withA(0x3F); //!< Forground color
private Color colorBg = Color.BLACK; //!< Background color
private Vector2f displayPos = Vector2f.ZERO; //!< direction of the cursor ...
private float distance = 0.0f; //!< dintance from the center
private float angle = -0.1f; //!< angle of the arraw (if < 0 : No arraw...) 0 is the TOP ...
private boolean lock = false; //!< flag to mark the lock when the cursor is free when we are outside the circle
private enum joystickMode displayMode = joystickMode.modeNormal; //!< Type of fonctionnal mode of the joystick
// generic property of the joystick:
private boolean displayBackground= l_displayBackground;
private String background = l_background;
private String foreground = l_foreground;
private float ratio = l_ratio;
public Joystick() {
}
public void setLockMode(boolean _lockWhenOut) {
this.lock = _lockWhenOut;
};
public void setDisplayMode(enum joystickMode _newMode) {
this.displayMode = _newMode;
};
/**
* set the ratio of the widget joystick
* @param _newRatio the new ratio that might be set
*/
public void ratio(float _newRatio) {
if (_newRatio > 1) {
_newRatio = 1;
}
this.ratio = _newRatio;
LOGGER.info("Set default Joystick ratio at " + this.ratio);
}
/**
* set the Background of the widget joystick
* @param _imageNameInData the new rbackground that might be set
* @param _display
*/
public void background(String _imageNameInData, boolean _display=true) {
// TODO : check if it existed
this.background = _imageNameInData;
this.displayBackground = _display;
LOGGER.info("Set default Joystick background at " + this.background + " display it=" + this.displayBackground);
}
/**
* set the Foreground of the widget joystick
* @param _imageNameInData the new Foreground that might be set
*/
public void foreground(String _imageNameInData) {
// TODO : check if it existed
this.foreground = imageNameInData;
LOGGER.info("Set default Joystick Foreground at " + this.foreground);
}
/**
* get the property of the joystick
* @param _distance distance to the center
* @param _angle angle of the joy
*/
public void getProperty(float _distance, float _angle) {
distance = this.distance;
angle = this.angle+M_PI/2;
}
public void onRegenerateDisplay() {
if (needRedraw() == true) {
// clean the object list ...
/*
ewol::OObject2DColored * tmpOObjects = null;
ewol::OObject2DTextured * tmpOOtexBg = null;
ewol::OObject2DTextured * tmpOOtexFg = null;
// set background
if (true == this.displayBackground) {
if (this.background == "") {
tmpOObjects = ne w ewol::OObject2DColored;
tmpOObjects.setColor(this.colorBg);
tmpOObjects.Disc( this.size.x/2, this.size.y/2, this.size.x/2-1);
} else {
tmpOOtexBg = n ew ewol::OObject2DTextured(this.background, this.size.x, this.size.y);
tmpOOtexBg.rectangle(0, 0, this.size.x, this.size.y);
}
}
// set cursor point
float sizeElement = this.size.x*this.ratio;
if (this.foreground == "") {
if (null == tmpOObjects) {
tmpOObjects = ne w ewol::OObject2DColored;
}
tmpOObjects.setColor(this.colorFg);
tmpOObjects.Disc( ((this.displayPos.x+1.0)/2.0)*(this.size.x-2*sizeElement) + sizeElement,
((this.displayPos.y+1.0)/2.0)*(this.size.y-2*sizeElement) + sizeElement, sizeElement);
} else {
tmpOOtexFg = ne w ewol::OObject2DTextured(this.foreground,sizeElement*2, sizeElement*2);
tmpOOtexFg.rectangle(((this.displayPos.x+1.0)/2.0)*(this.size.x-2*sizeElement),
((this.displayPos.y+1.0)/2.0)*(this.size.y-2*sizeElement), sizeElement*2, sizeElement*2);
}
// add all needed objects ...
if (null != tmpOObjects) {
addOObject(tmpOObjects);
}
if (null != tmpOOtexBg) {
addOObject(tmpOOtexBg);
}
if (null != tmpOOtexFg) {
addOObject(tmpOOtexFg);
}
*/
}
}
public boolean onEventInput( ewol::event::Input _event) {
/*
if (1 == IdInput) {
if( KeyStatus::down == typeEvent
|| KeyStatus::move == typeEvent) {
// get local relative position
Vector2f relativePos = relativePosition(pos);
float sizeElement = this.size.x*this.ratio;
// calculate the position of the cursor...
this.displayPos.x = (relativePos.x-sizeElement)/(this.size.x-sizeElement*2)*2.0 - 1.0;
this.displayPos.y = (relativePos.y-sizeElement)/(this.size.y-sizeElement*2)*2.0 - 1.0;
// distance :
this.distance = this.displayPos.y*this.displayPos.y + this.displayPos.x * this.displayPos.x;
this.distance = sqrt(this.distance);
// angle :
this.angle = atan(this.displayPos.y/this.displayPos.x);
if (this.displayPos.x < 0) {
this.angle += M_PI;
}
// clip if needed ...
if (this.distance > 1.0) {
this.distance = 1.0;
// regenerate n ew display position :
this.displayPos.x = cos(this.angle)*this.distance;
this.displayPos.y = sin(this.angle)*this.distance;
}
markToRedraw();
if(KeyStatus::down == typeEvent) {
signalEnable.emit();
} else {
String tmp = String("distance=") + String(this.distance) + String("angle=") + String(this.angle+M_PI/2);
signalMove.emit(this.angle+M_PI/2);
}
//teta += M_PI/2;
//LOGGER.debug("TETA = " + (this.angle*180/M_PI) + " deg distance = " + this.distance);
return true;
} else if( KeyStatus::up == typeEvent) {
if( true == this.lock
&& this.distance == 1) {
// nothing to do ...
} else {
this.displayPos.x = 0.0;
this.displayPos.y = 0.0;
this.angle = -0.1;
this.distance = 0;
}
markToRedraw();
signalDisable.emit();
return true;
}
return false;
}
*/
return false;
}
}