Data commit

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

@@ -0,0 +1,49 @@
+#include <Foundation/Foundation.h>
+#include <AppKit/AppKit.h>
+
+@interface Win : NSWindow
+{
+}
+- (void)applicationDidFinishLaunching: (NSNotification *)notification;
+- (BOOL)applicationShouldTerminateAfterLastWindowClosed: (NSNotification *)notification;
+@end
+
+
+@implementation Win : NSWindow
+-(instancetype) init
+{
+  if ((self = [super
+    initWithContentRect: NSMakeRect(0, 0, 800, 600)
+    styleMask: (NSTitledWindowMask | NSClosableWindowMask)
+    backing: NSBackingStoreBuffered
+    defer: NO])) {
+
+    [self setTitle: @"A Window"];
+    [self center];
+  }
+  return self;
+}
+
+- (void)applicationDidFinishLaunching: (NSNotification *)notification
+{
+  [self orderFront: self];
+}
+
+- (BOOL)applicationShouldTerminateAfterLastWindowClosed: (NSNotification *)notification
+{
+  return YES;
+}
+@end
+
+int main()
+{
+  @autoreleasepool {
+
+    [NSApplication sharedApplication];
+    Win *mywin = [[Win alloc] init];
+    [NSApp setDelegate: mywin];
+    [NSApp runModalForWindow: mywin];
+
+  }
+  return EXIT_SUCCESS;
+}