fixing issues related to the displays pref #3264

core/src/processing/core/PApplet.java

@@ -9655,8 +9655,10 @@ public class PApplet implements PConstants {
 
 
   void frameMoved(int x, int y) {
-    System.err.println(EXTERNAL_MOVE + " " + x + " " + y);
-    System.err.flush();  // doesn't seem to help or hurt
+    if (!fullScreen) {
+      System.err.println(EXTERNAL_MOVE + " " + x + " " + y);
+      System.err.flush();  // doesn't seem to help or hurt
+    }
   }
 
 
@@ -9818,7 +9820,7 @@ public class PApplet implements PConstants {
     int stopColor = 0xff808080;
     boolean hideStop = false;
 
-    int displayIndex = -1;  // use default
+    int displayNum = -1;  // use default
 //    boolean fullScreen = false;
     boolean present = false;
 //    boolean spanDisplays = false;
@@ -9838,8 +9840,8 @@ public class PApplet implements PConstants {
           editorLocation = parseInt(split(value, ','));
 
         } else if (param.equals(ARGS_DISPLAY)) {
-          displayIndex = parseInt(value, -1);
-          if (displayIndex == -1) {
+          displayNum = parseInt(value, -1);
+          if (displayNum == -1) {
             System.err.println("Could not parse " + value + " for " + ARGS_DISPLAY);
           }
 
@@ -9926,6 +9928,10 @@ public class PApplet implements PConstants {
       }
     }
 
+    // Set the suggested display that's coming from the command line
+    // (and most likely, from the PDE's preference setting).
+    sketch.display = displayNum;
+
     // Call the settings() method which will give us our size() call
 //    try {
     sketch.handleSettings();

core/src/processing/core/PSurfaceAWT.java

@@ -398,6 +398,7 @@ public class PSurfaceAWT extends PSurfaceNone {
       GraphicsEnvironment.getLocalGraphicsEnvironment();
 
     int displayNum = sketch.sketchDisplay();
+//    System.out.println("display from sketch is " + displayNum);
     if (displayNum > 0) {  // if -1, use the default device
       GraphicsDevice[] devices = environment.getScreenDevices();
       if (displayNum <= devices.length) {
@@ -694,6 +695,7 @@ public class PSurfaceAWT extends PSurfaceNone {
     int contentW = Math.max(sketchWidth, MIN_WINDOW_WIDTH);
     int contentH = Math.max(sketchHeight, MIN_WINDOW_HEIGHT);
 
+    // Ignore previous sketch placement when dealing with full screen
     if (sketch.sketchFullScreen()) {
       location = null;
     }