tweaked transparency of grabbed morphs

HISTORY.md

@@ -7,6 +7,7 @@
 * morphic: update the Hand's position on mouse-down - avoid triggering at the origin point
 * symbols: added hooks for dynamic coloring
 * blocks: added blocks-fading support for symbols (under construction)
+* morphic: tweaked transparency of grabbed morphs
 
 ### 2020-07-19
 * blocks: blocks-fade-out support for label arrows (under construction)

src/blocks.js

@@ -5731,7 +5731,7 @@ ReporterBlockMorph.prototype.prepareToBeGrabbed = function (handMorph) {
         this.setPosition(oldPos);
     }
     ReporterBlockMorph.uber.prepareToBeGrabbed.call(this, handMorph);
-    this.alpha = Math.min(this.alpha, 0.85);
+    handMorph.alpha = this.alpha < 1 ? 1 : 0.85;
     this.cachedSlotSpec = null;
 };
 

src/morphic.js

@@ -11149,7 +11149,7 @@ HandMorph.prototype.fullDrawOn = function (ctx, rect) {
 
     if (!clipped.extent().gt(ZERO)) {return; }
     ctx.save();
-    ctx.globalAlpha = this.children[0].alpha;
+    ctx.globalAlpha = this.alpha;
     pic = this.cachedFullImage;
     src = clipped.translateBy(pos.neg());
     sl = src.left();
@@ -11233,6 +11233,7 @@ HandMorph.prototype.grab = function (aMorph) {
 
 HandMorph.prototype.drop = function () {
     var target, morphToDrop;
+    this.alpha = 1;
     if (this.children.length !== 0) {
         morphToDrop = this.children[0];
         target = this.dropTargetFor(morphToDrop);