PolyText8 request + example 'Hello, Node.JS!'

lib/x11/corereqs.js

@@ -216,5 +216,39 @@ module.exports = {
           }
           return [format, args];
       }
+   ],
+  
+   PolyText8: [
+       function(drawable, gc, x, y, items) {
+          var format = 'CxSLLSS';
+          var numItems = items.length;
+          var reqLen = 16;
+          var args = [74, 0, drawable, gc, x, y];
+          for (var i=0; i < numItems; ++i)
+          {
+              var it = items[i];
+              if (typeof it == 'string')
+              {
+                  if (it.length > 254) // TODO: split string in set of items
+                      throw 'not supported yet';                  
+                  format += 'CCa';
+                  args.push(it.length);
+                  args.push(0); // delta???
+                  args.push(it);
+                  reqLen += 2 + it.length;
+              } else {
+                  throw 'not supported yet';
+              }
+          }
+          var len4 = xutil.padded_length(reqLen)/4;
+          var padLen = len4*4 - reqLen;
+          args[1] = len4; // set request length to calculated value
+          var pad = '';
+          for (var i=0; i < padLen; ++i)
+             pad += String.fromCharCode(0);
+          format += 'a';
+          args.push(pad);
+          return [format, args];
+       }
    ]
 }

test/polyfillrect.js

@@ -11,7 +11,6 @@ xclient.on('connect', function(display) {
     var black = display.screen[0].black_pixel;
 
     var wid = X.AllocID();
-    console.log('wid: ' + wid);
     X.CreateWindow(
        wid, root, 
        10, 10, 400, 300, 
@@ -23,7 +22,6 @@ xclient.on('connect', function(display) {
     X.MapWindow(wid);
   
     var gc = X.AllocID();
-    console.log('GC: ' + gc);
     X.CreateGC(gc, wid, { foreground: black, background: white } );
 
     X.on('event', function(ev) {

test/polytext8.js

@@ -0,0 +1,37 @@
+var x11 = require('../lib/x11');
+
+var xclient = x11.createClient();
+var Exposure = x11.eventMask.Exposure;
+var PointerMotion = x11.eventMask.PointerMotion;
+
+xclient.on('connect', function(display) {
+    var X = this;
+    var root = display.screen[0].root;
+    var white = display.screen[0].white_pixel;
+    var black = display.screen[0].black_pixel;
+
+    var wid = X.AllocID();
+    X.CreateWindow(
+       wid, root, 
+       10, 10, 400, 300, 
+       1, 1, 0,
+       { 
+           backgroundPixel: white, eventMask: Exposure|PointerMotion  
+       }
+    );
+    X.MapWindow(wid);
+  
+    var gc = X.AllocID();
+    console.log('GC: ' + gc);
+    X.CreateGC(gc, wid, { foreground: black, background: white } );
+
+    X.on('event', function(ev) {
+        if (ev.type == 12)
+        {
+            X.PolyText8(wid, gc, 50, 50, ['Hello, Node.JS!', ' Hello, world!']); 
+        } 
+    });
+    X.on('error', function(e) {
+        console.log(e);
+    });
+});