TwoTerm/Emulators/EmulatorManager.mm
Kelvin Sherlock 692b91d69c unsigned -> NSUInteger
git-svn-id: svn://qnap.local/TwoTerm/branches/frameless@3096 5590a31f-7b70-45f8-8c82-aa3a8e5f4507
2016-07-05 21:22:50 +00:00

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//
// EmulatorManager.m
// 2Term
//
// Created by Kelvin Sherlock on 10/5/2010.
// Copyright (c) 2010 __MyCompanyName__. All rights reserved.
//
#import "Emulator.h"
#import <AppKit/AppKit.h>
unsigned EventCharacters(NSEvent *event, std::u32string &rv)
{
NSEventModifierFlags flags = [event modifierFlags];
NSString *chars = [event charactersIgnoringModifiers];
NSUInteger length = [chars length];
rv.reserve(length);
// chars is expected to have 1 character but could have 0 (dead key)
// or multiple
for (unsigned i = 0; i < length; ++i)
{
unichar c = [chars characterAtIndex: i];
if (c <= 0x7f)
{
if (flags & NSAlphaShiftKeyMask)
{
c = flags & NSShiftKeyMask ? tolower(c) : toupper(c);
}
if (flags & NSControlKeyMask)
c = CTRL(c);
}
rv.push_back(c);
}
return (unsigned)length;
}
@implementation EmulatorManager
static NSMutableArray *array = nil;
+(id)alloc
{
return nil;
}
+(id)new
{
return nil;
}
-(id)init
{
[self release];
return nil;
}
// can be called before +load.
+(void)registerClass: (Class)klass
{
if (klass && [klass conformsToProtocol: @protocol(Emulator)])
{
@synchronized (self)
{
if (!array)
array = [NSMutableArray new];
[array addObject: klass];
[array sortUsingComparator: ^(id lhs, id rhs){
NSString *a, *b;
a = (NSString *)[lhs name];
b = (NSString *)[rhs name];
return [a caseInsensitiveCompare: b];
}];
}
}
}
+(NSMenu *)emulatorMenu
{
NSMenu *menu = [[[NSMenu alloc] initWithTitle: @"Terminal Type"] autorelease];
@synchronized (self)
{
unsigned index = 0;
for (Class klass in array)
{
NSMenuItem *item = [[NSMenuItem new] autorelease];
[item setTitle: [klass name]];
[item setTag: ++index];
[menu addItem: item];
}
}
return menu;
}
+(id)emulatorForTag: (unsigned)tag
{
@synchronized(self)
{
if (tag && tag <= [array count])
{
return [array objectAtIndex: tag - 1];
}
}
return nil;
}
@end