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Widgets.pde
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Widgets.pde
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class Widget extends Object {
String name;
float w, h;
color background = color( 0, 0, 0, 0 ); //transparent by default
private ArrayList<Widget> children = new ArrayList<Widget>();
Widget parent = null;
Widget( String name, float x, float y, float w, float h, Scene sc ) {
super( sc, x, y );
this.w = w;
this.h = h;
this.name = name;
}
void addChild( Widget w ) {
children.add( w );
w.parent = this;
}
boolean removeChild( Widget w ) {
if ( !children.contains( w ) ) return false;
w.parent = null;
children.remove( w );
return true;
}
boolean isParentFor( Widget w ) {
return children.contains( w );
}
void update() {
for ( int i = 0; i < children.size(); i++ ) {
children.get( i ).update();
}
}
void draw() {
translate( coor.x, coor.y );
fill( background );
rect( 0, 0, w, h );
for ( int i = 0; i < children.size(); i++ ) {
pushMatrix();
pushStyle();
children.get( i ).draw();
popStyle();
popMatrix();
}
}
}
class Label extends Widget {
private color background = color( 0, 0, 200 );
private color textColor = color( 255 );
private boolean hasBackground = true;
private int textSize = 20;
Label( String name, float x, float y, float w, float h, Scene sc ) {
super( name, x, y, w, h, sc );
}
void disableBackground() {
hasBackground = false;
}
void setBackground( color c ) {
hasBackground = true;
background = c;
}
void setFill( color c ) {
textColor = c;
}
void setTextSize( int ts ) {
textSize = ts;
}
void draw() {
if ( hasBackground ) {
fill( background );
} else {
noFill();
}
rect( coor.x, coor.y, coor.x+w, coor.y+h );
fill( textColor );
textAlign( CENTER, CENTER );
textSize( textSize );
text( name, coor.x + w/2, coor.y + h/2 );
}
}
interface SimpleCallback {
void call();
}
class Button extends Widget {
private SimpleCallback m_callback;
Button( String name_, float x, float y, float w_, float h_, Scene sc ) {
super( name_, x, y, w_, h_, sc );
background = color( 255, 0, 0 );
}
void setCallback( SimpleCallback cb ) {
m_callback = cb;
}
void update() {
float relMouseX = mouseX, relMouseY = mouseY;
if ( parent != null ) {
relMouseX -= parent.coor.x;
relMouseY -= parent.coor.y;
}
if ( currentMouseState == MouseState.MouseClicked ) {
if ( relMouseX > coor.x && relMouseX < coor.x+w && relMouseY > coor.y && relMouseY < coor.y+h ) {
m_callback.call();
}
}
}
void draw() {
fill( background );
rect( coor.x, coor.y, w, h );
fill( 0 );
textAlign( CENTER, CENTER );
textSize( 30 );
text( name, coor.x + w/2, coor.y + h/2 );
}
}
class ChangeAppStateCallback implements SimpleCallback {
AppState changeTo;
ChangeAppStateCallback( AppState st ) {
changeTo = st;
}
@Override
void call() {
changeState( changeTo );
}
}
class ExitCallback implements SimpleCallback {
@Override
void call() {
exit();
}
}
class LevelSelectCallback implements SimpleCallback {
private final AppState changeTo;
private final int levelNum;
//static int selectedLevel;
LevelSelectCallback( AppState st, int lvl ) {
changeTo = st;
levelNum = lvl;
}
@Override
void call() {
currLevel = levelNum;
changeState( changeTo );
}
}
/*class SimpleSwitcherCallback implements SimpleCallback {
//boolean switcher;
SimpleSwitcherCallback( boolean sw ) {
//switcher = sw;
}
@Override
void call() {
//switcher = !switcher;
throw new
verbose( "Switched " + mute );
}
}*/
class Switcher extends Widget {
boolean switcher = false;
private String onName, offName;
private String currName;
private color onColor, offColor;
private color currColor;
private Button m_button;
private SimpleCallback onSwitchCallback = null;
Switcher( String name, float x, float y, float w, float h, Scene sc ) {
super( name, x, y, w, h, sc );
currName = onName = offName = name;
currColor = onColor = offColor = color( 200, 0, 0 ); //default
m_button = new Button( name, 0, 0, w, h, sc );
m_button.background = onColor;
m_button.setCallback( new SimpleCallback() {
void call() {
switcher = !switcher;
onSwitchCallback.call();
}
}
);
addChild( m_button );
}
Switcher setOnName( String str ) {
onName = str;
return this;
}
Switcher setOffName( String str ) {
offName = str;
return this;
}
Switcher setOnColor( color c ) {
onColor = c;
return this;
}
Switcher setOffColor( color c ) {
offColor = c;
return this;
}
Switcher setSwitch( boolean b ) {
switcher = b;
return this;
}
Switcher onSwitch( SimpleCallback cb ) {
onSwitchCallback = cb;
return this;
}
void update() {
m_button.update();
}
void draw() {
if ( switcher ) {
currColor = onColor;
currName = onName;
} else {
currColor = offColor;
currName = offName;
}
m_button.background = currColor;
m_button.name = currName;
pushMatrix();
translate( coor.x, coor.y );
m_button.draw();
popMatrix();
}
}
class Indicator {
float currValue; //from 0 to 1
PVector p1, p2;
color background = color(0), c = color(255);
Indicator( PVector p1, PVector p2, float v ) {
this.p1 = p1;
this.p2 = p2;
currValue = v;
}
void changeValue( float v ) {
currValue = v;
currValue = constrain( currValue, 0, 1 );
}
float getValue() {
return currValue;
}
void setBackground( color bg ) {
background = bg;
}
void setColor( color c ) {
this.c = c;
}
void draw() {
pushStyle();
stroke( background );
line( p1.x, p1.y, p2.x, p2.y );
stroke( c );
line( p1.x, p1.y,
PVector.sub( p2, p1 ).mult( currValue ).add( p1 ).x, PVector.sub( p2, p1 ).mult( currValue ).add( p1 ).y );
popStyle();
}
}