let people poke inside boxes

show coords, length/size of objects
add global options
add 3d zoom with wheel
add setuplist.txt
fix import header
fixes for touch

src/com/falstad/ripple/client/Box.java

@@ -12,6 +12,7 @@ void prepare() {
 		RippleSim.drawWall(bottomLeft.x, bottomLeft.y, bottomRight.x, bottomRight.y);
 	}
 
+	// let people poke inside box
 	boolean hitTestInside(double x, double y) { return false; }
 
 	int getDumpType() { return 'b'; }

src/com/falstad/ripple/client/Cavity.java

@@ -15,5 +15,8 @@ void prepare() {
 		prepare();
 	}
 
+	// let people poke inside
+	boolean hitTestInside(double x, double y) { return false; }
+
 	int getDumpType() { return 'c'; }
 }

src/com/falstad/ripple/client/DragObject.java

@@ -238,4 +238,13 @@ void rescale(double scale) {
 		}
 		setTransform();
 	}
+
+	String selectText() {
+		if (handles.size() != 2)
+			return null;
+		DragHandle dh1 = handles.get(0);
+		DragHandle dh2 = handles.get(1);
+		int len = (int) Math.round(Math.hypot(dh1.x-dh2.x, dh1.y-dh2.y));
+		return "length = " + len;
+	}
 }

src/com/falstad/ripple/client/EditOptions.java

@@ -0,0 +1,24 @@
+package com.falstad.ripple.client;
+
+public class EditOptions implements Editable {
+	RippleSim sim;
+    public EditOptions(RippleSim s) { sim = s; }
+    EditInfo offsetEditInfo;
+    public EditInfo getEditInfo(int n) {
+        if (n == 0)
+            return new EditInfo("Grid size", sim.windowWidth, 0, 0).setDimensionless();
+        if (n == 1)
+            return offsetEditInfo = new EditInfo("Absorbing area width", sim.windowOffsetX, 0, 0).setDimensionless();
+        return null;
+    }
+    public void setEditValue(int n, EditInfo ei) {
+        if (n == 0 && ei.value > 0) {
+        	sim.setResolution((int)ei.value);
+        	offsetEditInfo.value = sim.windowOffsetX;
+        	EditDialog.theEditDialog.updateValue(offsetEditInfo);
+        }
+        if (n == 1 && ei.value > 0)
+        	sim.setResolution(sim.windowWidth, (int)ei.value);
+    }
+
+}

src/com/falstad/ripple/client/MediumBox.java

@@ -28,6 +28,9 @@ void prepare() {
 				speedIndex, speedIndex);
 	}
 
+	// let people poke inside
+	boolean hitTestInside(double x, double y) { return false; }
+
     public EditInfo getEditInfo(int n) {
         if (n == 0)
             return new EditInfo("Speed Index", speedIndex, 0, 1).

src/com/falstad/ripple/client/MediumEllipse.java

@@ -19,6 +19,7 @@ void prepare() {
 		return ht;
 	}
 
+	/*
 	@Override boolean hitTestInside(double x, double y) {
 		x -= (topLeft.x+topRight.x)/2;
 		y -= (topLeft.y+bottomLeft.y)/2;
@@ -27,6 +28,7 @@ void prepare() {
 		double ht = Math.sqrt(x*x/(a*a)+y*y/(b*b));
 		return ht <= 1;
 	}
+	*/
 
 	@Override void drawSelection() {
 		RippleSim.drawEllipse(

src/com/falstad/ripple/client/ModeBox.java

@@ -92,4 +92,8 @@ public void setEditValue(int n, EditInfo ei) {
 	String dump() { return super.dump() + " " + xmode + " " + ymode + " " + randomize + " " + box; }
 
 	int getDumpType() { return 'M'; }
+
+	boolean hitTestInside(double x, double y) {
+		return false;
+	}
 }

src/com/falstad/ripple/client/Parabola.java

@@ -17,6 +17,9 @@ void prepare() {
 		prepare();
 	}
 
+	// let people poke inside
+	boolean hitTestInside(double x, double y) { return false; }
+
 	int getDumpType() { return 'p'; }
 
 }

src/com/falstad/ripple/client/RectDragObject.java

@@ -136,4 +136,7 @@ String dumpHandles() {
 		return " " + topLeft.x + " " + topLeft.y + " " + bottomRight.x + " " + bottomRight.y;
 	}
 
+	String selectText() {
+		return "" + width() + " x " + height();
+	}
 }