//
// Created by Maarten Billemont on 2016-04-30.
// Copyright (c) 2016 Lyndir. All rights reserved.
//

#import "MPMacApplication.h"

@interface NSResponder(Editing)

- (void)undo:(id)sender;
- (void)redo:(id)sender;

@end

@implementation MPMacApplication {
}

- (void)sendEvent:(NSEvent *)event {

    if ([event type] == NSKeyDown) {
        if (([event modifierFlags] & NSDeviceIndependentModifierFlagsMask) == NSCommandKeyMask) {
            if ([[event charactersIgnoringModifiers] isEqualToString:@"x"]) {
                if ([self sendAction:@selector( cut: ) to:nil from:self])
                    return;
            }
            else if ([[event charactersIgnoringModifiers] isEqualToString:@"c"]) {
                if ([self sendAction:@selector( copy: ) to:nil from:self])
                    return;
            }
            else if ([[event charactersIgnoringModifiers] isEqualToString:@"v"]) {
                if ([self sendAction:@selector( paste: ) to:nil from:self])
                    return;
            }
            else if ([[event charactersIgnoringModifiers] isEqualToString:@"z"]) {
                if ([self sendAction:@selector( undo: ) to:nil from:self])
                    return;
            }
            else if ([[event charactersIgnoringModifiers] isEqualToString:@"a"]) {
                if ([self sendAction:@selector( selectAll: ) to:nil from:self])
                    return;
            }
        }
        else if (([event modifierFlags] & NSDeviceIndependentModifierFlagsMask) == (NSCommandKeyMask | NSShiftKeyMask)) {
            if ([[event charactersIgnoringModifiers] isEqualToString:@"Z"]) {
                if ([self sendAction:@selector( redo: ) to:nil from:self])
                    return;
            }
        }
    }

    [super sendEvent:event];
}

@end