SDLMain.mm

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/*  SDLMain.m - main entry point for our Cocoa-ized SDL app
    Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
    Non-NIB-Code & other changes: Max Horn <max@quendi.de>
    Edited a lot for Wesnoth by Ben Anderman <ben@happyspork.com>
*/

#import "SDL.h"
#import "SDLMain.h"
#include <vector>

extern "C" int wesnoth_main(int argc, char **argv);
static std::vector<char*> gArgs;

@interface WesnothSDLApplication : NSApplication
@end

@implementation WesnothSDLApplication
/* Invoked from the Quit menu item */
- (void)terminate:(id)sender
{
    (void) sender;
    /* Post a SDL_QUIT event */
    SDL_Event event;
    event.type = SDL_QUIT;
    SDL_PushEvent(&event);
}

- (BOOL)_handleKeyEquivalent:(NSEvent *)theEvent
{
    [[super mainMenu] performKeyEquivalent:theEvent];
    return YES;
}

- (void) sendEvent:(NSEvent *)event
{
    if(NSEventTypeKeyDown == [event type] || NSEventTypeKeyUp == [event type])
    {
        if([event modifierFlags] & NSEventModifierFlagCommand)
        {
            [super sendEvent: event];
        }
    } else {
        [super sendEvent: event];
    }
}
@end

/* The main class of the application, the application's delegate */
@implementation SDLMain

- (IBAction) openHomepage:(id)sender
{
    (void) sender;
    [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"https://www.wesnoth.org/"]];
}

- (IBAction) openChangelog:(id)sender
{
    (void) sender;
    [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"https://github.com/wesnoth/wesnoth/blob/master/changelog.md"]];
}

/* Called when the internal event loop has just started running */
- (void) applicationDidFinishLaunching: (NSNotification *) note
{
    (void) note;
    /* This makes SDL give events to Cocoa, so it can handle things like command+h to hide, etc. */
    setenv ("SDL_ENABLEAPPEVENTS", "1", 1);
    setenv ("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 1);

    /* Set config files for pango and fontconfig, so the data they need can be found */
    setenv ("PANGO_RC_FILE", "./pangorc", 1);
    setenv ("PANGO_SYSCONFDIR", ".", 1);
    setenv ("PANGO_LIBDIR", ".", 1);
    setenv ("FONTCONFIG_PATH", "./fonts/", 1);
    setenv ("FONTCONFIG_FILE", "fonts.conf", 1);

    int status;

    /* Set the working directory to the .app's Resources directory */
    chdir([[[NSBundle mainBundle] resourcePath] fileSystemRepresentation]);

    /* Hand off to main application code */
    status = wesnoth_main(gArgs.size() - 1, gArgs.data());

    /* We're done, thank you for playing */
    exit(status);
}
@end

template<int sz>
bool str_eq(const char* str, const char(& cstr)[sz]) {
    return strncmp(str, cstr, sz) == 0;
}

#ifdef main
#  undef main
#endif

/* Main entry point to executable - should *not* be SDL_main! */
int main (int argc, char **argv)
{
    gArgs.push_back(argv[0]); // Program name
    for (int i = 1; i < argc; i++) {
        // Filter out debug arguments that XCode might pass
        if (str_eq(argv[i], "-ApplePersistenceIgnoreState")) {
            i++; // Skip the argument
            continue;
        }
        if (str_eq(argv[i], "-NSDocumentRevisionsDebugMode")) {
            i++; // Skip the argument
            continue;
        }
        // This is passed if launched by double-clicking
        if (strncmp(argv[i], "-psn", 4) == 0) {
            continue;
        }
        gArgs.push_back(argv[i]);
    }
    gArgs.push_back(nullptr);

    [WesnothSDLApplication sharedApplication];

    [[NSBundle mainBundle] loadNibNamed:@"SDLMain" owner:NSApp topLevelObjects:nil];

    [NSApp run];
    return 0;
}