Cocoa Keyboard Shortcuts in Dialog without an Edit Menu

ShadowsocksX-NG/Info.plist

@@ -48,6 +48,6 @@
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
-	<string>NSApplication</string>
+	<string>SWBApplication</string>
 </dict>
 </plist>

ShadowsocksX-NG/SWBApplication.h

@@ -0,0 +1,11 @@
+//
+// Created by clowwindy on 3/1/14.
+// Copyright (c) 2014 clowwindy. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+@import AppKit;
+
+
+@interface SWBApplication : NSApplication
+@end

ShadowsocksX-NG/SWBApplication.m

@@ -0,0 +1,49 @@
+//
+// Created by clowwindy on 3/1/14.
+// Copyright (c) 2014 clowwindy. All rights reserved.
+//
+
+#import "SWBApplication.h"
+
+
+@implementation SWBApplication {
+
+}
+
+// Enable Key Shortcuts
+// http://stackoverflow.com/questions/970707/cocoa-keyboard-shortcuts-in-dialog-without-an-edit-menu
+- (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