March 2014 update

Task/Window-creation/Go/window-creation-3.go

@@ -3,24 +3,20 @@ package main
 import (
     "code.google.com/p/x-go-binding/ui"
     "code.google.com/p/x-go-binding/ui/x11"
-    "fmt"
-    "os"
+    "log"
 )
 
 func main() {
     win, err := x11.NewWindow()
     if err != nil {
-        fmt.Printf("Error: %v\n", err)
-        os.Exit(1)
+        log.Fatalf("Error: %v\n", err)
     }
     defer win.Close()
 
-    evchan := win.EventChan()
-    for ev := range evchan {
+    for ev := range win.EventChan() {
         switch e := ev.(type) {
         case ui.ErrEvent:
-            fmt.Printf("Error: %v\n", e.Err)
-            os.Exit(1)
+            log.Fatalf("Error: %v\n", e.Err)
         }
     }
 }

Task/Window-creation/Kotlin/window-creation.kotlin

@@ -0,0 +1,8 @@
+import javax.swing.JFrame
+
+fun main(args : Array<String>) {
+    val w = JFrame("Title")
+    w.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)
+    w.setSize(800, 600)
+    w.setVisible(true)
+}

Task/Window-creation/Objective-C/window-creation.m

@@ -12,24 +12,18 @@
 @implementation Win : NSWindow
 -(id) init
 {
-  [self
+  if ((self = [super
     initWithContentRect: NSMakeRect(0, 0, 800, 600)
     styleMask: (NSTitledWindowMask | NSClosableWindowMask)
     backing: NSBackingStoreBuffered
-    defer: NO];
-
-  [self setTitle: @"A Window"];
-  [self center];
+    defer: NO])) {
 
+    [self setTitle: @"A Window"];
+    [self center];
+  }
   return self;
 }
 
-
--(void) dealloc
-{
-  [super dealloc];
-}
-
 - (void)applicationDidFinishLaunching: (NSNotification *)notification
 {
   [self orderFront: self];
@@ -43,13 +37,13 @@
 
 int main()
 {
-  Win *mywin;
-  NSAutoreleasePool *pool;
+  @autoreleasepool {
 
-  pool = [[NSAutoreleasePool alloc] init];
-  [NSApplication sharedApplication];
-  mywin = [[Win alloc] init];
-  [NSApp setDelegate: mywin];
-  [NSApp runModalForWindow: mywin];
+    [NSApplication sharedApplication];
+    Win *mywin = [[Win alloc] init];
+    [NSApp setDelegate: mywin];
+    [NSApp runModalForWindow: mywin];
+
+  }
   return EXIT_SUCCESS;
 }