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#include <Foundation/Foundation.h>
#include <AppKit/AppKit.h>
#include <objc/objc-runtime.h> /* For diagnostics */
typedef struct {
id window; /* NSWindow */
id view; /* NSTextField */
} cntx_t;
// - - - - - - - - - - - - - - - - - - - - - - - - -
@interface MyView : NSView {
void *cntx;
}
- (void)setCntx:(void *)cntx;
@end
@implementation MyView
- (void)setCntx:(void *)val {
cntx = val;
}
- (void)drawRect:(NSRect)rect {
// NSGraphicsContext* aContext = [NSGraphicsContext currentContext];
[[NSColor redColor] setStroke];
NSBezierPath* aPath = [NSBezierPath bezierPath];
[aPath setLineWidth:2.0];
[aPath moveToPoint:NSMakePoint(0.0, 0.0)];
[aPath lineToPoint:NSMakePoint(100.0, 100.0)];
[aPath appendBezierPathWithRect:NSMakeRect(20.0, 160.0, 80.0, 50.0)];
[aPath stroke];
NSDictionary *att = [NSDictionary new];
[ @"String" drawAtPoint: NSMakePoint(10.0, 10.0) withAttributes: att ];
/*
[@"Hello" drawInRect:r withAttributes:[NSDictionary
dictionaryWithObjectsAndKeys:
[NSColor redColor], NSForegroundColorAttributeName,
[NSFont systemFontOfSize:24], NSFontAttributeName,
nil]];
*/
}
@end
/* To trigger an update:
Send a setNeedsDisplayInRect: or setNeedsDisplay: message to the
view. Sending either of these messages marks part or all of the view as invalid
*/
// - - - - - - - - - - - - - - - - - - - - - - - - -
@interface MyWin : NSWindow {
void *cntx;
}
- (void)setCntx:(void *)cntx;
@end
@implementation MyWin
- (void)setCntx:(void *)val {
cntx = val;
}
- (void)keyDown:(NSEvent *)event {
printf("Got Window KeyDown type %d char %s\n",[event type],
[[event characters] cStringUsingEncoding:NSASCIIStringEncoding]);
}
- (BOOL)windowShouldClose:(id)sender {
printf("Got Window windowShouldClose\n");
[NSApp terminate: nil];
return YES;
}
@end
// - - - - - - - - - - - - - - - - - - - - - - - - -
@interface AppDelegate : NSObject {
void *cntx;
}
@end
@implementation AppDelegate
- (void) applicationWillFinishLaunching: (NSNotification *)not {
cntx_t *cx;
cx = calloc(1, sizeof(cntx_t));
cntx = (void *)cx;
/* Create Window */
cx->window = [[MyWin alloc] initWithContentRect: NSMakeRect(300, 300, 200, 100)
styleMask: (NSTitledWindowMask |
NSClosableWindowMask |
NSMiniaturizableWindowMask |
NSResizableWindowMask)
backing: NSBackingStoreBuffered
defer: YES];
[cx->window setTitle: @"Hello World"];
#ifdef NEVER
/* Create Label */
cx->label = [[NSTextField alloc] initWithFrame: NSMakeRect(30, 30, 80, 30)];
[cx->label setSelectable: NO];
[cx->label setBezeled: NO];
[cx->label setDrawsBackground: NO];
[cx->label setStringValue: @"Hello World"];
[[cx->window contentView] addSubview: cx->label];
[cx->label release];
#else
cx->view = [MyView new];
[cx->view setCntx:(void *)cx];
[cx->window setContentView: cx->view];
#endif
// [window setContentView:customView]
}
- (void) applicationDidFinishLaunching: (NSNotification *) not {
cntx_t *cx = (cntx_t *)cntx;
[cx->window makeKeyAndOrderFront: self];
}
- (void) dealloc {
cntx_t *cx = (cntx_t *)cntx;
[cx->window release];
[super dealloc];
}
@end
// - - - - - - - - - - - - - - - - - - - - - - - - -
int main (int argc, const char **argv)
{
NSAutoreleasePool *pool;
id appDelObj;
if (NSApp == nil) {
OSStatus stat;
ProcessSerialNumber psn = { 0, 0 };
if (GetCurrentProcess(&psn) == noErr) {
/* Transform the process so that the desktop interacts with it properly. */
/* We don't need resources or a bundle if we do this. */
if (psn.lowLongOfPSN != 0 && (stat = TransformProcessType(&psn,
kProcessTransformToForegroundApplication)) != noErr)
fprintf(stderr,"TransformProcess failed with code %d\n",stat);
}
pool = [NSAutoreleasePool new];
[NSApplication sharedApplication];
appDelObj = [AppDelegate new];
[NSApp setDelegate: appDelObj];
// Run the event loop until done
[NSApp run];
[pool release];
}
// To terminate:
// [NSApp terminate: nil];
}
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