get list of servers outside setup

Author: codeanticode

examples/SelectServer/SelectServer.pde

@@ -2,44 +2,54 @@ import codeanticode.syphon.*;
 import java.util.Iterator;
 import java.util.Map;
 
-PGraphics[] canvas;
-SyphonClient[] clients;
+PGraphics[] canvas = {};
+SyphonClient[] clients = {};
 
 int nClients;
 
 void setup() {
   size(400, 400, P2D);
   frameRate(1);
 
-  HashMap<String, String>[] allServers = SyphonClient.listServers();
+  updateClients();
+}
+
+void draw() {
+  if (clients.length == 0) updateClients();
+  
+  background(0);
+  
+  if (0 < nClients) {
+    int targetIndex =  frameCount % nClients;
+    SyphonClient targetClient = clients[targetIndex];
+
+    if (targetClient.newFrame()) {
+      canvas[targetIndex] = targetClient.getGraphics(canvas[targetIndex]);
+      image(canvas[targetIndex], 0, 0, width, height);  
+    }
+  }
+}
+
+void keyPressed() {
+  if (key == ' ') {
+    updateClients();
+  }
+}
 
+void updateClients() {
+  HashMap<String, String>[] allServers = SyphonClient.listServers();
+  println(allServers);
+  
   int nServers = allServers.length;
 
   canvas = new PGraphics[nServers];
   clients = new SyphonClient[nServers];
 
-
   for (int i = 0; i < allServers.length; i++) {
-
     String appName = allServers[i].get("AppName");
     String serverName = allServers[i].get("ServerName");
-
     clients[i] = new SyphonClient(this, appName, serverName);
   }
 
-  nClients = nServers;
-
-}
-
-void draw() {
-
-  background(0);
-
-  int targetIndex =  frameCount % nClients;
-  SyphonClient targetClient = clients[targetIndex];
-
-  if (targetClient.newFrame()) {
-    canvas[targetIndex] = targetClient.getGraphics(canvas[targetIndex]);
-    image(canvas[targetIndex], 0, 0, width, height);  
-  }
+  nClients = nServers;    
 }