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mac_load
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Write your GUI apps for OS X in pure C!
Download README (.md)
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README.md
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mac_load
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# mac_load This is a public domain, single-header library that facilitates creating GUI apps for OS X in pure C; no ObjC knowledge required. [TODO:] describe everything # usage ### Objective-C GUI app example: ```objective-c /* clang /path/to/this/source.m -framework AppKit -o obj_c_example */ #include <AppKit/AppKit.h> @interface MyView: NSView {} @end @implementation MyView - (void)drawRect:(NSRect)rect { [[NSColor keyboardFocusIndicatorColor] set]; const int n = 12; for (double f = 0; f < 2 * M_PI; f += 2 * M_PI / n) for (double g = 0; g < 2 * M_PI; g += 2 * M_PI / n) { NSPoint begin = {(sin(f) + 1) * rect.size.width * 0.5, (cos(f) + 1) * rect.size.height * 0.5}; NSPoint end = {(sin(g) + 1) * rect.size.width * 0.5, (cos(g) + 1) * rect.size.height * 0.5}; [NSBezierPath strokeLineFromPoint:begin toPoint:end]; } } - (void)windowShouldClose:(NSNotification*)notification { [[NSApplication sharedApplication] stop:self]; } @end int main() { NSAutoreleasePool *myPool = [[NSAutoreleasePool alloc] init]; NSRect rect = {{100.0, 350.0}, {400.0, 400.0}}; NSInteger mask = NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask; NSWindow *myWnd = [[[NSWindow alloc] initWithContentRect:rect styleMask:mask backing:NSBackingStoreBuffered defer:NO] autorelease]; [myWnd setTitle:@"ObjC Application Window"]; NSView *myView = [[[MyView alloc] init] autorelease]; [myWnd setContentView:myView]; [myWnd setDelegate:(id)myView]; [myWnd orderFront:nil]; [myWnd makeKeyWindow]; [[NSApplication sharedApplication] run]; [myPool release]; return EXIT_SUCCESS; } ``` ### Its full equivalent in C: ```c /* clang /path/to/this/source.c -framework AppKit -o pure_c_example */ #include "mac_load.h" void MAC_Handler(OnRect, NSRect rect) { set(keyboardFocusIndicatorColor(_(NSColor))); const int n = 12; for (double f = 0; f < 2 * M_PI; f += 2 * M_PI / n) for (double g = 0; g < 2 * M_PI; g += 2 * M_PI / n) { NSPoint begin = {(sin(f) + 1) * rect.size.width * 0.5, (cos(f) + 1) * rect.size.height * 0.5}; NSPoint end = {(sin(g) + 1) * rect.size.width * 0.5, (cos(g) + 1) * rect.size.height * 0.5}; strokeLineFromPoint_toPoint_(_(NSBezierPath), begin, end); } } void MAC_Handler(OnClose, NSNotification *notification) { stop_(sharedApplication(_(NSApplication)), self); } int main() { // use MAC_LoadClass("nAmE") if unable to pass MyView to where it is needed Class MyView = MAC_MakeClass("nAmE", _(NSView), /* extra fields = */ nil, MAC_TempArray(_(drawRect_), OnRect, _(windowShouldClose_), OnClose)); NSAutoreleasePool *myPool = init(alloc(_(NSAutoreleasePool))); NSRect rect = {{100.0, 350.0}, {400.0, 400.0}}; NSInteger mask = NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask; NSWindow *myWnd = autorelease(initWithContentRect_styleMask_backing_defer_( alloc(_(NSWindow)), rect, mask, kCGBackingStoreBuffered, NO)); setTitle_(myWnd, MAC_ConstString("Pure C Application Window")); NSView *myView = autorelease(init(alloc(MyView))); setContentView_(myWnd, myView); setDelegate_(myWnd, (id)myView); orderFront_(myWnd, nil); makeKeyWindow(myWnd); run(sharedApplication(_(NSApplication))); release(myPool); MAC_FreeClass(MyView); // segfaults if called before all instances get freed return EXIT_SUCCESS; } ``` More advanced examples can be found [here](https://github.com/hidefromkgb/DPengine), or [here](https://github.com/hidefromkgb/msu3-waves), or [here](https://github.com/hidefromkgb/ogl_stub).
