blob: dd2f1e07269c6d16bfed7901e722bb53d7c858e7 [file] [log] [blame]
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/ui/cocoa/nsmenuitem_additions.h"
#include <Carbon/Carbon.h>
#include <ostream>
#include "base/mac/scoped_nsobject.h"
#include "base/strings/sys_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
NSEvent* KeyEvent(const NSUInteger modifierFlags,
NSString* chars,
NSString* charsNoMods,
const NSUInteger keyCode) {
return [NSEvent keyEventWithType:NSKeyDown
NSMenuItem* MenuItem(NSString* equiv, NSUInteger mask) {
NSMenuItem* item = [[[NSMenuItem alloc] initWithTitle:@""
keyEquivalent:@""] autorelease];
[item setKeyEquivalent:equiv];
[item setKeyEquivalentModifierMask:mask];
return item;
std::ostream& operator<<(std::ostream& out, NSObject* obj) {
return out << base::SysNSStringToUTF8([obj description]);
std::ostream& operator<<(std::ostream& out, NSMenuItem* item) {
return out << "NSMenuItem " << base::SysNSStringToUTF8([item keyEquivalent]);
void ExpectKeyFiresItemEq(bool result, NSEvent* key, NSMenuItem* item,
bool compareCocoa) {
EXPECT_EQ(result, [item cr_firesForKeyEvent:key]) << key << '\n' << item;
// Make sure that Cocoa does in fact agree with our expectations. However,
// in some cases cocoa behaves weirdly (if you create e.g. a new event that
// contains all fields of the event that you get when hitting cmd-a with a
// russion keyboard layout, the copy won't fire a menu item that has cmd-a as
// key equivalent, even though the original event would) and isn't a good
// oracle function.
if (compareCocoa) {
base::scoped_nsobject<NSMenu> menu([[NSMenu alloc] initWithTitle:@"Menu!"]);
[menu setAutoenablesItems:NO];
EXPECT_FALSE([menu performKeyEquivalent:key]);
[menu addItem:item];
EXPECT_EQ(result, [menu performKeyEquivalent:key]) << key << '\n' << item;
void ExpectKeyFiresItem(
NSEvent* key, NSMenuItem* item, bool compareCocoa = true) {
ExpectKeyFiresItemEq(true, key, item, compareCocoa);
void ExpectKeyDoesntFireItem(
NSEvent* key, NSMenuItem* item, bool compareCocoa = true) {
ExpectKeyFiresItemEq(false, key, item, compareCocoa);
TEST(NSMenuItemAdditionsTest, TestFiresForKeyEvent) {
// These test cases were built by writing a small test app that has a
// MainMenu.xib with a given key equivalent set in Interface Builder and a
// some code that prints both the key equivalent that fires a menu item and
// the menu item's key equivalent and modifier masks. I then pasted those
// below. This was done with a US layout, unless otherwise noted. In the
// comments, "z" always means the physical "z" key on a US layout no matter
// what character that key produces.
NSMenuItem* item;
NSEvent* key;
unichar ch;
NSString* s;
// Sanity
item = MenuItem(@"", 0);
EXPECT_TRUE([item isEnabled]);
// a
key = KeyEvent(0x100, @"a", @"a", 0);
item = MenuItem(@"a", 0);
ExpectKeyFiresItem(key, item);
ExpectKeyDoesntFireItem(KeyEvent(0x20102, @"A", @"A", 0), item);
// Disabled menu item
key = KeyEvent(0x100, @"a", @"a", 0);
item = MenuItem(@"a", 0);
[item setEnabled:NO];
ExpectKeyDoesntFireItem(key, item, false);
// shift-a
key = KeyEvent(0x20102, @"A", @"A", 0);
item = MenuItem(@"A", 0);
ExpectKeyFiresItem(key, item);
ExpectKeyDoesntFireItem(KeyEvent(0x100, @"a", @"a", 0), item);
// cmd-opt-shift-a
key = KeyEvent(0x1a012a, @"\u00c5", @"A", 0);
item = MenuItem(@"A", 0x180000);
ExpectKeyFiresItem(key, item);
// cmd-opt-a
key = KeyEvent(0x18012a, @"\u00e5", @"a", 0);
item = MenuItem(@"a", 0x180000);
ExpectKeyFiresItem(key, item);
// cmd-=
key = KeyEvent(0x100110, @"=", @"=", 0x18);
item = MenuItem(@"=", 0x100000);
ExpectKeyFiresItem(key, item);
// cmd-shift-=
key = KeyEvent(0x12010a, @"=", @"+", 0x18);
item = MenuItem(@"+", 0x100000);
ExpectKeyFiresItem(key, item);
// Turns out Cocoa fires "+ 100108 + 18" if you hit cmd-= and the menu only
// has a cmd-+ shortcut. But that's transparent for |cr_firesForKeyEvent:|.
// ctrl-3
key = KeyEvent(0x40101, @"3", @"3", 0x14);
item = MenuItem(@"3", 0x40000);
ExpectKeyFiresItem(key, item);
// return
key = KeyEvent(0, @"\r", @"\r", 0x24);
item = MenuItem(@"\r", 0);
ExpectKeyFiresItem(key, item);
// shift-return
key = KeyEvent(0x20102, @"\r", @"\r", 0x24);
item = MenuItem(@"\r", 0x20000);
ExpectKeyFiresItem(key, item);
// shift-left
ch = NSLeftArrowFunctionKey;
s = [NSString stringWithCharacters:&ch length:1];
key = KeyEvent(0xa20102, s, s, 0x7b);
item = MenuItem(s, 0x20000);
ExpectKeyFiresItem(key, item);
// shift-f1 (with a layout that needs the fn key down for f1)
ch = NSF1FunctionKey;
s = [NSString stringWithCharacters:&ch length:1];
key = KeyEvent(0x820102, s, s, 0x7a);
item = MenuItem(s, 0x20000);
ExpectKeyFiresItem(key, item);
// esc
// Turns out this doesn't fire.
key = KeyEvent(0x100, @"\e", @"\e", 0x35);
item = MenuItem(@"\e", 0);
ExpectKeyDoesntFireItem(key,item, false);
// shift-esc
// Turns out this doesn't fire.
key = KeyEvent(0x20102, @"\e", @"\e", 0x35);
item = MenuItem(@"\e", 0x20000);
ExpectKeyDoesntFireItem(key,item, false);
// cmd-esc
key = KeyEvent(0x100108, @"\e", @"\e", 0x35);
item = MenuItem(@"\e", 0x100000);
ExpectKeyFiresItem(key, item);
// ctrl-esc
key = KeyEvent(0x40101, @"\e", @"\e", 0x35);
item = MenuItem(@"\e", 0x40000);
ExpectKeyFiresItem(key, item);
// delete ("backspace")
key = KeyEvent(0x100, @"\x7f", @"\x7f", 0x33);
item = MenuItem(@"\x08", 0);
ExpectKeyFiresItem(key, item, false);
// shift-delete
key = KeyEvent(0x20102, @"\x7f", @"\x7f", 0x33);
item = MenuItem(@"\x08", 0x20000);
ExpectKeyFiresItem(key, item, false);
// forwarddelete (fn-delete / fn-backspace)
ch = NSDeleteFunctionKey;
s = [NSString stringWithCharacters:&ch length:1];
key = KeyEvent(0x800100, s, s, 0x75);
item = MenuItem(@"\x7f", 0);
ExpectKeyFiresItem(key, item, false);
// shift-forwarddelete (shift-fn-delete / shift-fn-backspace)
ch = NSDeleteFunctionKey;
s = [NSString stringWithCharacters:&ch length:1];
key = KeyEvent(0x820102, s, s, 0x75);
item = MenuItem(@"\x7f", 0x20000);
ExpectKeyFiresItem(key, item, false);
// fn-left
ch = NSHomeFunctionKey;
s = [NSString stringWithCharacters:&ch length:1];
key = KeyEvent(0x800100, s, s, 0x73);
item = MenuItem(s, 0);
ExpectKeyFiresItem(key, item);
// cmd-left
ch = NSLeftArrowFunctionKey;
s = [NSString stringWithCharacters:&ch length:1];
key = KeyEvent(0xb00108, s, s, 0x7b);
item = MenuItem(s, 0x100000);
ExpectKeyFiresItem(key, item);
// Hitting the "a" key with a russian keyboard layout -- does not fire
// a menu item that has "a" as key equiv.
key = KeyEvent(0x100, @"\u0444", @"\u0444", 0);
item = MenuItem(@"a", 0);
// cmd-a on a russion layout -- fires for a menu item with cmd-a as key equiv.
key = KeyEvent(0x100108, @"a", @"\u0444", 0);
item = MenuItem(@"a", 0x100000);
ExpectKeyFiresItem(key, item, false);
// cmd-z on US layout
key = KeyEvent(0x100108, @"z", @"z", 6);
item = MenuItem(@"z", 0x100000);
ExpectKeyFiresItem(key, item);
// cmd-y on german layout (has same keycode as cmd-z on us layout, shouldn't
// fire).
key = KeyEvent(0x100108, @"y", @"y", 6);
item = MenuItem(@"z", 0x100000);
// cmd-z on german layout
key = KeyEvent(0x100108, @"z", @"z", 0x10);
item = MenuItem(@"z", 0x100000);
ExpectKeyFiresItem(key, item);
// fn-return (== enter)
key = KeyEvent(0x800100, @"\x3", @"\x3", 0x4c);
item = MenuItem(@"\r", 0);
// cmd-z on dvorak layout (so that the key produces ';')
key = KeyEvent(0x100108, @";", @";", 6);
ExpectKeyDoesntFireItem(key, MenuItem(@"z", 0x100000));
ExpectKeyFiresItem(key, MenuItem(@";", 0x100000));
// cmd-z on dvorak qwerty layout (so that the key produces ';', but 'z' if
// cmd is down)
key = KeyEvent(0x100108, @"z", @";", 6);
ExpectKeyFiresItem(key, MenuItem(@"z", 0x100000), false);
ExpectKeyDoesntFireItem(key, MenuItem(@";", 0x100000), false);
// cmd-shift-z on dvorak layout (so that we get a ':')
key = KeyEvent(0x12010a, @";", @":", 6);
ExpectKeyFiresItem(key, MenuItem(@":", 0x100000));
ExpectKeyDoesntFireItem(key, MenuItem(@";", 0x100000));
// cmd-s with a serbian layout (just "s" produces something that looks a lot
// like "c" in some fonts, but is actually \u0441. cmd-s activates a menu item
// with key equivalent "s", not "c")
key = KeyEvent(0x100108, @"s", @"\u0441", 1);
ExpectKeyFiresItem(key, MenuItem(@"s", 0x100000), false);
ExpectKeyDoesntFireItem(key, MenuItem(@"c", 0x100000));
NSString* keyCodeToCharacter(NSUInteger keyCode,
EventModifiers modifiers,
TISInputSourceRef layout) {
CFDataRef uchr = (CFDataRef)TISGetInputSourceProperty(
layout, kTISPropertyUnicodeKeyLayoutData);
UCKeyboardLayout* keyLayout = (UCKeyboardLayout*)CFDataGetBytePtr(uchr);
UInt32 deadKeyState = 0;
OSStatus err = noErr;
UniCharCount maxStringLength = 4, actualStringLength;
UniChar unicodeString[4];
err = UCKeyTranslate(keyLayout,
assert(err == noErr);
CFStringRef temp = CFStringCreateWithCharacters(
kCFAllocatorDefault, unicodeString, 1);
return [(NSString*)temp autorelease];
TEST(NSMenuItemAdditionsTest, TestMOnDifferentLayouts) {
// There's one key -- "m" -- that has the same keycode on most keyboard
// layouts. This function tests a menu item with cmd-m as key equivalent
// can be fired on all layouts.
NSMenuItem* item = MenuItem(@"m", 0x100000);
NSDictionary* filter = [NSDictionary
// Docs say that including all layouts instead of just the active ones is
// slow, but there's no way around that.
NSArray* list = (NSArray*)TISCreateInputSourceList(
(CFDictionaryRef)filter, true);
for (id layout in list) {
TISInputSourceRef ref = (TISInputSourceRef)layout;
NSUInteger keyCode = 0x2e; // "m" on a US layout and most other layouts.
// On a few layouts, "m" has a different key code.
NSString* layoutId = (NSString*)TISGetInputSourceProperty(
ref, kTISPropertyInputSourceID);
if ([layoutId isEqualToString:@""] ||
[layoutId isEqualToString:@""] ||
[layoutId isEqualToString:@""] ||
[layoutId hasPrefix:@""]) {
keyCode = 0x29;
} else if ([layoutId isEqualToString:@""]) {
keyCode = 0x28;
} else if ([layoutId isEqualToString:@""]) {
keyCode = 0x16;
} else if ([layoutId isEqualToString:@""]) {
keyCode = 0x1a;
EventModifiers modifiers = cmdKey >> 8;
NSString* chars = keyCodeToCharacter(keyCode, modifiers, ref);
NSString* charsIgnoringMods = keyCodeToCharacter(keyCode, 0, ref);
NSEvent* key = KeyEvent(0x100000, chars, charsIgnoringMods, keyCode);
ExpectKeyFiresItem(key, item, false);