Proposal for multi touch

2 files changed, 101 insertions, 13 deletions

diff --git a/src/newt/classes/com/jogamp/newt/event/InputEvent.java b/src/newt/classes/com/jogamp/newt/event/InputEvent.java
index b0df7b4d1..1d13ee505 100644
--- a/src/newt/classes/com/jogamp/newt/event/InputEvent.java
+++ b/src/newt/classes/com/jogamp/newt/event/InputEvent.java
@@ -44,6 +44,9 @@ public abstract class InputEvent extends NEWTEvent
  public static final int  BUTTON1_MASK   = 1 << 6;
  public static final int  BUTTON2_MASK   = 1 << 7;
  public static final int  BUTTON3_MASK   = 1 << 8;
+ public static final int  POINTER1_MASK  = 1 << 16;
+ public static final int  POINTER2_MASK  = 1 << 17;
+ public static final int  POINTER3_MASK  = 1 << 18;
 
  protected InputEvent(int eventType, Object source, long when, int modifiers) {
     super(eventType, source, when);
@@ -69,18 +72,66 @@ public abstract class InputEvent extends NEWTEvent
     return (modifiers&SHIFT_MASK)!=0;
  }
 
- public boolean isButton1Down()  {
+ /**
+  * @return Array of pressed mouse buttons  [{@link MouseEvent#BUTTON1} ..]. 
+  *         If none is down, the resulting array is of length 0.
+  */
+ public final int[] getButtonsDown()  {
+     int len = 0;
+     if(isButton1Down()) { len++; }
+     if(isButton2Down()) { len++; }
+     if(isButton3Down()) { len++; }
+     
+     int[] res = new int[len];
+     int i=0;
+     if(isButton1Down()) { res[i++] = MouseEvent.BUTTON1; }
+     if(isButton2Down()) { res[i++] = MouseEvent.BUTTON2; }
+     if(isButton3Down()) { res[i++] = MouseEvent.BUTTON3; }
+     return res;
+ }
+
+ public final boolean isButton1Down()  {
     return (modifiers&BUTTON1_MASK)!=0;
  }
 
- public boolean isButton2Down()  {
+ public final boolean isButton2Down()  {
     return (modifiers&BUTTON2_MASK)!=0;
  }
 
- public boolean isButton3Down()  {
+ public final boolean isButton3Down()  {
     return (modifiers&BUTTON3_MASK)!=0;
  }
 
+ /**
+  * @return Array of involved pointer [{@link MouseEvent#POINTER1} ..]. 
+  *         If none is down, the resulting array is of length 0.
+  */
+ public final int[] getPointers()  {
+     int len = 0;
+     if(isPointer1()) { len++; }
+     if(isPointer2()) { len++; }
+     if(isPointer3()) { len++; }
+     
+     int[] res = new int[len];
+     int i=0;
+     if(isPointer1()) { res[i++] = MouseEvent.POINTER1; }
+     if(isPointer2()) { res[i++] = MouseEvent.POINTER2; }
+     if(isPointer3()) { res[i++] = MouseEvent.POINTER3; }
+     return res;
+ }
+ 
+ public final boolean isPointer1()  {
+    return (modifiers&POINTER1_MASK)!=0;
+ }
+
+ public final boolean isPointer2()  {
+    return (modifiers&POINTER2_MASK)!=0;
+ }
+
+ public final boolean isPointer3()  {
+    return (modifiers&POINTER3_MASK)!=0;
+ }
+
  public String toString() {
      return "InputEvent[modifiers:"+modifiers+", "+super.toString()+"]";
  }
diff --git a/src/newt/classes/com/jogamp/newt/event/MouseEvent.java b/src/newt/classes/com/jogamp/newt/event/MouseEvent.java
index f3f606115..cb2138b8f 100644
--- a/src/newt/classes/com/jogamp/newt/event/MouseEvent.java
+++ b/src/newt/classes/com/jogamp/newt/event/MouseEvent.java
@@ -36,14 +36,23 @@ package com.jogamp.newt.event;
 
 public class MouseEvent extends InputEvent
 {
+  /** Mouse button 1 name. Button names start with 1. */
   public static final int BUTTON1 = 1;
   public static final int BUTTON2 = 2;
   public static final int BUTTON3 = 3;
   public static final int BUTTON4 = 4;
   public static final int BUTTON5 = 5;
   public static final int BUTTON6 = 6;
+  /** Maximal number of supported mouse buttons. */
   public static final int BUTTON_NUMBER = 6;
 
+  /** Pointer device 1 name. Pointer names start with 0. */
+  public static final int POINTER1 = 0;
+  public static final int POINTER2 = 1;
+  public static final int POINTER3 = 2;
+  /** Maximal number of supported pointer devices. */
+  public static final int POINTER_NUMBER = 3;
+  
   public static final int getClickTimeout() { 
     return 300; 
   }
@@ -52,25 +61,52 @@ public class MouseEvent extends InputEvent
                    int modifiers, int x, int y, int clickCount, int button,
                    int rotation)
  {
-     super(eventType, source, when, modifiers); 
+     super(eventType, source, when, modifiers);
+     
+     this.pointerCount=1;
+     this.x=new int[1]; this.x[0] = x;
+     this.y=new int[1]; this.y[0] = y;
+     this.button=new int[1]; this.button[0] = button;
+     this.clickCount=clickCount;
+     this.wheelRotation = rotation;
+ }
+ 
+ public MouseEvent(int eventType, Object source, long when,
+                   int modifiers, int pointerCount, int[] x, int[] y, int[] button, int[] pressure,
+                   int clickCount, int rotation)
+ {
+     super(eventType, source, when, modifiers);
+     this.pointerCount=pointerCount;
      this.x=x;
      this.y=y;
-     this.clickCount=clickCount;
      this.button=button;
+     this.clickCount=clickCount;
      this.wheelRotation = rotation;
  }
-
- public int getButton() {
-    return button;
+ 
+ public int getPointerCount() {
+     return pointerCount;     
  }
- public int getClickCount() {
-    return clickCount;
+ public int getButton() {
+    return button[0];
  }
  public int getX() {
-    return x;
+    return x[0];
  }
  public int getY() {
-    return y;
+    return y[0];
+ }
+ public int getButton(int pointerIdx) {
+    return button[pointerIdx];
+ }
+ public int getX(int pointerIdx) {
+    return x[pointerIdx];
+ }
+ public int getY(int pointerIdx) {
+    return y[pointerIdx];
+ }
+ public int getClickCount() {
+    return clickCount;
  }
  public int getWheelRotation() {
     return wheelRotation;
@@ -97,7 +133,8 @@ public class MouseEvent extends InputEvent
     }
  }
 
- private final int x, y, clickCount, button, wheelRotation;
+ private final int pointerCount, clickCount, wheelRotation;
+ private final int x[], y[], button[];
 
  public static final int EVENT_MOUSE_CLICKED  = 200;
  public static final int EVENT_MOUSE_ENTERED  = 201;