MasterPassword/platform-darwin/Source/Mac/MPMacApplication.m

//==============================================================================
// This file is part of Master Password.
// Copyright (c) 2011-2017, Maarten Billemont.
//
// Master Password is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Master Password is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You can find a copy of the GNU General Public License in the
// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
//==============================================================================

#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