hello-world.c

/*
	Based on: https://github.com/gammasoft71/Examples_Cocoa/blob/master/src/HelloWorlds/HelloWorld/README.md
*/

#define GL_SILENCE_DEPRECATION
#define SILICON_IMPLEMENTATION
#include <silicon.h>

NSApplication* NSApp;

bool windowShouldClose(id sender)  {
	NSApplication_terminate(NSApp, sender);
	return true;
}


int main() {
	// Convert C functions to Objective-C methods (refer to the 'si_func_to_SEL' comment from 'examples/menu.c' for more).
	si_func_to_SEL(SI_DEFAULT, windowShouldClose);

	NSApp = NSApplication_sharedApplication();
	NSApplication_setActivationPolicy(NSApp, NSApplicationActivationPolicyRegular);

	NSTextField* label = NSTextField_initWithFrame(NSMakeRect(5, 100, 290, 100));
	NSTextField_setStringValue(label, "Hello, World!");
	NSTextField_setBezeled(label, false);
	NSTextField_setDrawsBackground(label, false);
	NSTextField_setEditable(label, false);
	NSTextField_setSelectable(label, false);
	NSTextField_setTextColor(label, NSColor_colorWithSRGB(0.0, 0.5, 0.0, 1.0));

	NSFontManager* font_manager = NSFontManager_sharedFontManager();
	NSFont* current_font = NSTextField_font(label);
	current_font = NSFont_init(NSFont_fontName(current_font), 45);
	current_font = NSFontManager_convertFontToHaveTrait(font_manager, current_font, NSFontBoldTrait);
	current_font = NSFontManager_convertFontToHaveTrait(font_manager, current_font, NSFontItalicTrait);
	NSTextField_setFont(label, current_font);


	NSWindow* win = NSWindow_init(NSMakeRect(0, 0, 300, 300), NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskMiniaturizable | NSWindowStyleMaskResizable, NSBackingStoreBuffered, false);
	NSWindow_setTitle(win, "Hello world (label)");
	NSView_addSubview(NSWindow_contentView(win), (NSView*)label);
	NSWindow_center(win);
	NSWindow_setIsVisible(win, true);

	NSWindow_makeMainWindow(win);
  	NSApplication_run(NSApp);

	return 0;
}