git-svn-id: svn://qnap.local/TwoTerm/trunk@1649 5590a31f-7b70-45f8-8c82-aa3a8e5f4507
This commit is contained in:
Kelvin Sherlock
parent
9801f511c3
commit
0ea3270420
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@ -0,0 +1,864 @@
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};
|
||||
name = Release;
|
||||
};
|
||||
C01FCF4F08A954540054247B /* Debug */ = {
|
||||
isa = XCBuildConfiguration;
|
||||
buildSettings = {
|
||||
ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
|
||||
GCC_C_LANGUAGE_STANDARD = gnu99;
|
||||
GCC_OPTIMIZATION_LEVEL = 0;
|
||||
GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
|
||||
GCC_WARN_ABOUT_RETURN_TYPE = YES;
|
||||
GCC_WARN_UNUSED_VARIABLE = YES;
|
||||
ONLY_ACTIVE_ARCH = YES;
|
||||
PREBINDING = NO;
|
||||
SDKROOT = macosx10.6;
|
||||
};
|
||||
name = Debug;
|
||||
};
|
||||
C01FCF5008A954540054247B /* Release */ = {
|
||||
isa = XCBuildConfiguration;
|
||||
buildSettings = {
|
||||
ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
|
||||
GCC_C_LANGUAGE_STANDARD = gnu99;
|
||||
GCC_WARN_ABOUT_RETURN_TYPE = YES;
|
||||
GCC_WARN_UNUSED_VARIABLE = YES;
|
||||
PREBINDING = NO;
|
||||
SDKROOT = macosx10.6;
|
||||
};
|
||||
name = Release;
|
||||
};
|
||||
/* End XCBuildConfiguration section */
|
||||
|
||||
/* Begin XCConfigurationList section */
|
||||
C01FCF4A08A954540054247B /* Build configuration list for PBXNativeTarget "2Term" */ = {
|
||||
isa = XCConfigurationList;
|
||||
buildConfigurations = (
|
||||
C01FCF4B08A954540054247B /* Debug */,
|
||||
C01FCF4C08A954540054247B /* Release */,
|
||||
);
|
||||
defaultConfigurationIsVisible = 0;
|
||||
defaultConfigurationName = Release;
|
||||
};
|
||||
C01FCF4E08A954540054247B /* Build configuration list for PBXProject "2Term" */ = {
|
||||
isa = XCConfigurationList;
|
||||
buildConfigurations = (
|
||||
C01FCF4F08A954540054247B /* Debug */,
|
||||
C01FCF5008A954540054247B /* Release */,
|
||||
);
|
||||
defaultConfigurationIsVisible = 0;
|
||||
defaultConfigurationName = Release;
|
||||
};
|
||||
/* End XCConfigurationList section */
|
||||
};
|
||||
rootObject = 29B97313FDCFA39411CA2CEA /* Project object */;
|
||||
}
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
//
|
||||
// CharacterGenerator.h
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/4/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import <Cocoa/Cocoa.h>
|
||||
|
||||
|
||||
@interface CharacterGenerator : NSObject {
|
||||
|
||||
unsigned _base;
|
||||
NSArray *_characters;
|
||||
}
|
||||
|
||||
+(CharacterGenerator *)generator;
|
||||
|
||||
-(NSImage *)imageForCharacter: (unsigned)character;
|
||||
|
||||
@end
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,26 @@
|
|||
//
|
||||
// Emulator.h
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/7/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
|
||||
@class NSEvent;
|
||||
|
||||
#ifdef __cplusplus
|
||||
class Screen;
|
||||
class OutputChannel;
|
||||
#else
|
||||
#define Screen void
|
||||
#define OutputChannel void;
|
||||
#endif
|
||||
|
||||
@protocol Emulator
|
||||
|
||||
-(void)processCharacter: (uint8_t)c screen: (Screen *)screen output: (OutputChannel *)output;
|
||||
-(void)keyDown: (NSEvent *)event screen: (Screen *)screen output: (OutputChannel *)output;
|
||||
-(void)reset;
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
//
|
||||
// EmulatorView.h
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/3/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import <Cocoa/Cocoa.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
#include <vector>
|
||||
#endif
|
||||
|
||||
struct CursorPosition {
|
||||
#ifdef __cplusplus
|
||||
CursorPosition(int _x, int _y) throw() : x(_x), y(_y) {}
|
||||
CursorPosition() throw() : x(0), y(0) {}
|
||||
|
||||
bool operator == (const CursorPosition& rhs) throw()
|
||||
{ return rhs.x == x && rhs.y == y; }
|
||||
|
||||
bool operator != (const CursorPosition& rhs) throw()
|
||||
{ return ! (*this == rhs); }
|
||||
|
||||
#endif
|
||||
int x;
|
||||
int y;
|
||||
};
|
||||
|
||||
struct CharInfo {
|
||||
char c;
|
||||
uint8_t flags;
|
||||
};
|
||||
|
||||
|
||||
|
||||
@class CharacterGenerator;
|
||||
|
||||
@interface EmulatorView : NSView {
|
||||
int _fd;
|
||||
|
||||
/* these should not be modified without locking */
|
||||
struct CursorPosition _cursor;
|
||||
struct CharInfo _screen[24][80];
|
||||
|
||||
/* end locking */
|
||||
|
||||
|
||||
NSThread *_readerThread;
|
||||
NSLock *_lock;
|
||||
|
||||
CharacterGenerator *_charGen;
|
||||
|
||||
NSColor *_backgroundColor;
|
||||
NSColor *_foregroundColor;
|
||||
|
||||
CGFloat _charHeight;
|
||||
CGFloat _charWidth;
|
||||
|
||||
unsigned _height;
|
||||
unsigned _width;
|
||||
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
||||
//std::vector< std::vector<CharInfo> > _screen;
|
||||
|
||||
#endif
|
||||
}
|
||||
|
||||
-(void)startBackgroundReader;
|
||||
-(void)dataAvailable;
|
||||
|
||||
@property (nonatomic, assign) int fd;
|
||||
@property (nonatomic, assign) struct CursorPosition cursorPosition;
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,175 @@
|
|||
//
|
||||
// EmulatorView.m
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/3/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import "EmulatorView.h"
|
||||
|
||||
#import "CharacterGenerator.h"
|
||||
|
||||
@implementation EmulatorView
|
||||
|
||||
@synthesize fd = _fd;
|
||||
@synthesize cursorPosition = _cursor;
|
||||
|
||||
|
||||
-(void)awakeFromNib
|
||||
{
|
||||
_charWidth = 7;
|
||||
_charHeight = 16;
|
||||
|
||||
_height = 24;
|
||||
_width = 80;
|
||||
|
||||
_foregroundColor = [[NSColor greenColor] retain];
|
||||
_backgroundColor = [[NSColor blackColor] retain];
|
||||
|
||||
_charGen = [[CharacterGenerator generator] retain];
|
||||
|
||||
_lock = [NSLock new];
|
||||
|
||||
|
||||
std::memset(_screen, 0, sizeof(_screen));
|
||||
|
||||
|
||||
_cursor = CursorPosition(0, 0);
|
||||
}
|
||||
|
||||
-(BOOL)isFlipped
|
||||
{
|
||||
return YES;
|
||||
}
|
||||
|
||||
|
||||
-(void)viewDidMoveToWindow
|
||||
{
|
||||
[self becomeFirstResponder];
|
||||
}
|
||||
|
||||
-(void)viewDidMoveToSuperview
|
||||
{
|
||||
[self becomeFirstResponder];
|
||||
}
|
||||
|
||||
-(BOOL)acceptsFirstResponder
|
||||
{
|
||||
return YES;
|
||||
}
|
||||
|
||||
-(void)drawRect:(NSRect)dirtyRect
|
||||
{
|
||||
NSRect bounds = [self bounds];
|
||||
|
||||
|
||||
unsigned x, y;
|
||||
|
||||
unsigned minX = floor(dirtyRect.origin.x / _charWidth);
|
||||
unsigned maxX = ceil((dirtyRect.origin.x + dirtyRect.size.width) / _charWidth);
|
||||
|
||||
unsigned minY = floor(dirtyRect.origin.y / _charHeight);
|
||||
unsigned maxY = ceil((dirtyRect.origin.y + dirtyRect.size.height) / _charHeight);
|
||||
|
||||
// x/y are 0-indexed here.
|
||||
|
||||
maxY = std::min(_height - 1, maxY);
|
||||
maxX = std::min(_width - 1, maxX);
|
||||
|
||||
[_backgroundColor setFill];
|
||||
NSRectFill(dirtyRect);
|
||||
|
||||
[_foregroundColor setFill];
|
||||
|
||||
|
||||
|
||||
|
||||
[_lock lock];
|
||||
|
||||
for (x = minX; x <= maxX; ++x)
|
||||
{
|
||||
for (y = minY; y <= maxY; ++y)
|
||||
{
|
||||
NSImage *img;
|
||||
CharInfo ci = _screen[y][x];
|
||||
|
||||
// todo -- check flags to determine fg/bg color, etc.
|
||||
|
||||
|
||||
img = [_charGen imageForCharacter: ci.c];
|
||||
|
||||
/*
|
||||
[img drawAtPoint: NSMakePoint(x * _charWidth, y * _charHeight)
|
||||
fromRect: NSZeroRect
|
||||
operation:NSCompositeCopy
|
||||
fraction: 1.0];
|
||||
*/
|
||||
if (img)
|
||||
{
|
||||
[img drawInRect: NSMakeRect(x * _charWidth, y *_charHeight, _charWidth, _charHeight)
|
||||
fromRect: NSZeroRect operation: NSCompositeCopy
|
||||
fraction: 1.0
|
||||
respectFlipped: YES
|
||||
hints: nil];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
[_lock unlock];
|
||||
|
||||
}
|
||||
|
||||
|
||||
-(void)dealloc
|
||||
{
|
||||
[_readerThread release];
|
||||
[_lock release];
|
||||
|
||||
[super dealloc];
|
||||
}
|
||||
|
||||
-(void)startBackgroundReader
|
||||
{
|
||||
if (_readerThread) return;
|
||||
|
||||
_readerThread = [[NSThread alloc] initWithTarget: self selector: @selector(_readerThread) object: nil];
|
||||
|
||||
[_readerThread start];
|
||||
}
|
||||
-(void)_readerThread
|
||||
{
|
||||
// I would prefer to poll(2) but it's broken on os x for ptys.
|
||||
|
||||
int fd = _fd;
|
||||
|
||||
|
||||
for(;;)
|
||||
{
|
||||
int n;
|
||||
|
||||
fd_set read_set;
|
||||
fd_set error_set;
|
||||
|
||||
FD_ZERO(&read_set);
|
||||
FD_SET(fd, &read_set);
|
||||
FD_ZERO(&error_set);
|
||||
FD_SET(fd, &error_set);
|
||||
|
||||
|
||||
n = select(fd + 1, &read_set, NULL, &error_set, NULL);
|
||||
|
||||
if (n == 0) continue;
|
||||
if (n < 0) break;
|
||||
|
||||
if (FD_ISSET(fd, &error_set)) break;
|
||||
if (FD_ISSET(fd, &read_set)) [self dataAvailable];
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
-(void)dataAvailable { }
|
||||
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
/* Localized versions of Info.plist keys */
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,658 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
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||||
<archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.10">
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<object class="NSArray" key="IBDocument.PluginDependencies">
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||||
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||||
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<reference key="NSSuperview" ref="296370061"/>
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||||
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||||
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||||
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||||
<reference key="source" ref="1001"/>
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||||
<reference key="destination" ref="1005"/>
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||||
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||||
<int key="connectionID">3</int>
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||||
</object>
|
||||
<object class="IBConnectionRecord">
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||||
<object class="IBOutletConnection" key="connection">
|
||||
<string key="label">delegate</string>
|
||||
<reference key="source" ref="1005"/>
|
||||
<reference key="destination" ref="1001"/>
|
||||
</object>
|
||||
<int key="connectionID">4</int>
|
||||
</object>
|
||||
<object class="IBConnectionRecord">
|
||||
<object class="IBOutletConnection" key="connection">
|
||||
<string key="label">_emulatorView</string>
|
||||
<reference key="source" ref="1001"/>
|
||||
<reference key="destination" ref="59249513"/>
|
||||
</object>
|
||||
<int key="connectionID">6</int>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBMutableOrderedSet" key="objectRecords">
|
||||
<object class="NSArray" key="orderedObjects">
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<bool key="EncodedWithXMLCoder">YES</bool>
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<object class="IBObjectRecord">
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||||
<int key="objectID">0</int>
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||||
<reference key="object" ref="0"/>
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<reference key="children" ref="1000"/>
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||||
<nil key="parent"/>
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||||
</object>
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||||
<object class="IBObjectRecord">
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||||
<int key="objectID">-2</int>
|
||||
<reference key="object" ref="1001"/>
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||||
<reference key="parent" ref="0"/>
|
||||
<string key="objectName">File's Owner</string>
|
||||
</object>
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||||
<object class="IBObjectRecord">
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||||
<int key="objectID">-1</int>
|
||||
<reference key="object" ref="1003"/>
|
||||
<reference key="parent" ref="0"/>
|
||||
<string key="objectName">First Responder</string>
|
||||
</object>
|
||||
<object class="IBObjectRecord">
|
||||
<int key="objectID">-3</int>
|
||||
<reference key="object" ref="1004"/>
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||||
<reference key="parent" ref="0"/>
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<string key="objectName">Application</string>
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||||
</object>
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||||
<object class="IBObjectRecord">
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<int key="objectID">1</int>
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<reference key="object" ref="1005"/>
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<object class="NSMutableArray" key="children">
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<bool key="EncodedWithXMLCoder">YES</bool>
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<reference ref="1006"/>
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</object>
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<reference key="parent" ref="0"/>
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</object>
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<object class="IBObjectRecord">
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<int key="objectID">2</int>
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<reference key="object" ref="1006"/>
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<object class="NSMutableArray" key="children">
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<bool key="EncodedWithXMLCoder">YES</bool>
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<reference ref="296370061"/>
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</object>
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<reference key="parent" ref="1005"/>
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</object>
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<string key="minorKey">AppKit.framework/Headers/NSInterfaceStyle.h</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSResponder</string>
|
||||
<string key="superclassName">NSObject</string>
|
||||
<object class="IBClassDescriptionSource" key="sourceIdentifier">
|
||||
<string key="majorKey">IBFrameworkSource</string>
|
||||
<string key="minorKey">AppKit.framework/Headers/NSResponder.h</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSView</string>
|
||||
<object class="IBClassDescriptionSource" key="sourceIdentifier">
|
||||
<string key="majorKey">IBFrameworkSource</string>
|
||||
<string key="minorKey">AppKit.framework/Headers/NSClipView.h</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSView</string>
|
||||
<object class="IBClassDescriptionSource" key="sourceIdentifier">
|
||||
<string key="majorKey">IBFrameworkSource</string>
|
||||
<string key="minorKey">AppKit.framework/Headers/NSMenuItem.h</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSView</string>
|
||||
<object class="IBClassDescriptionSource" key="sourceIdentifier">
|
||||
<string key="majorKey">IBFrameworkSource</string>
|
||||
<string key="minorKey">AppKit.framework/Headers/NSRulerView.h</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSView</string>
|
||||
<string key="superclassName">NSResponder</string>
|
||||
<reference key="sourceIdentifier" ref="921292085"/>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSWindow</string>
|
||||
<object class="IBClassDescriptionSource" key="sourceIdentifier">
|
||||
<string key="majorKey">IBFrameworkSource</string>
|
||||
<string key="minorKey">AppKit.framework/Headers/NSDrawer.h</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSWindow</string>
|
||||
<string key="superclassName">NSResponder</string>
|
||||
<object class="IBClassDescriptionSource" key="sourceIdentifier">
|
||||
<string key="majorKey">IBFrameworkSource</string>
|
||||
<string key="minorKey">AppKit.framework/Headers/NSWindow.h</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSWindow</string>
|
||||
<object class="IBClassDescriptionSource" key="sourceIdentifier">
|
||||
<string key="majorKey">IBFrameworkSource</string>
|
||||
<string key="minorKey">AppKit.framework/Headers/NSWindowScripting.h</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBPartialClassDescription">
|
||||
<string key="className">NSWindowController</string>
|
||||
<string key="superclassName">NSResponder</string>
|
||||
<object class="NSMutableDictionary" key="actions">
|
||||
<string key="NS.key.0">showWindow:</string>
|
||||
<string key="NS.object.0">id</string>
|
||||
</object>
|
||||
<object class="NSMutableDictionary" key="actionInfosByName">
|
||||
<string key="NS.key.0">showWindow:</string>
|
||||
<object class="IBActionInfo" key="NS.object.0">
|
||||
<string key="name">showWindow:</string>
|
||||
<string key="candidateClassName">id</string>
|
||||
</object>
|
||||
</object>
|
||||
<object class="IBClassDescriptionSource" key="sourceIdentifier">
|
||||
<string key="majorKey">IBFrameworkSource</string>
|
||||
<string key="minorKey">AppKit.framework/Headers/NSWindowController.h</string>
|
||||
</object>
|
||||
</object>
|
||||
</object>
|
||||
</object>
|
||||
<int key="IBDocument.localizationMode">0</int>
|
||||
<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaFramework</string>
|
||||
<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
|
||||
<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.macosx</string>
|
||||
<integer value="1060" key="NS.object.0"/>
|
||||
</object>
|
||||
<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
|
||||
<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.InterfaceBuilder3</string>
|
||||
<integer value="3000" key="NS.object.0"/>
|
||||
</object>
|
||||
<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
|
||||
<string key="IBDocument.LastKnownRelativeProjectPath">../2Term.xcodeproj</string>
|
||||
<int key="IBDocument.defaultPropertyAccessControl">3</int>
|
||||
</data>
|
||||
</archive>
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
/*
|
||||
* OutputChannel.cpp
|
||||
* 2Term
|
||||
*
|
||||
* Created by Kelvin Sherlock on 7/7/2010.
|
||||
* Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "OutputChannel.h"
|
||||
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <cstring>
|
||||
#include <cerrno>
|
||||
|
||||
bool OutputChannel::write(uint8_t c)
|
||||
{
|
||||
return write(&c, 1);
|
||||
}
|
||||
|
||||
bool OutputChannel::write(const char *str)
|
||||
{
|
||||
return write(str, std::strlen(str));
|
||||
}
|
||||
|
||||
bool OutputChannel::write(const void *vp, size_t size)
|
||||
{
|
||||
|
||||
if (!size) return true;
|
||||
|
||||
for (unsigned i = 0; ;)
|
||||
{
|
||||
ssize_t s = ::write(_fd, vp, size);
|
||||
|
||||
if (s < 0)
|
||||
{
|
||||
switch (errno)
|
||||
{
|
||||
case EAGAIN:
|
||||
case EINTR:
|
||||
if (++i < 3) break;
|
||||
default:
|
||||
_error = errno;
|
||||
// throw?
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
else if (size == s)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
else if (s == 0)
|
||||
{
|
||||
if (++i == 3)
|
||||
{
|
||||
_error = EIO;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
size -= s;
|
||||
vp = (uint8_t *)vp + s;
|
||||
|
||||
if (size == 0) return true;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
/*
|
||||
* OutputChannel.h
|
||||
* 2Term
|
||||
*
|
||||
* Created by Kelvin Sherlock on 7/7/2010.
|
||||
* Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __OUTPUT_CHANNEL_H__
|
||||
#define __OUTPUT_CHANNEL_H__
|
||||
|
||||
#include <stdint.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
class OutputChannel
|
||||
{
|
||||
public:
|
||||
OutputChannel(int fd) : _fd(fd), _error(0) {};
|
||||
|
||||
bool write(uint8_t);
|
||||
bool write(const char *);
|
||||
bool write(const void *, size_t);
|
||||
|
||||
int error() const { return _error; }
|
||||
|
||||
private:
|
||||
OutputChannel(const OutputChannel&);
|
||||
OutputChannel& operator=(const OutputChannel&);
|
||||
|
||||
int _fd;
|
||||
int _error;
|
||||
};
|
||||
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,229 @@
|
|||
/*
|
||||
* Screen.cpp
|
||||
* 2Term
|
||||
*
|
||||
* Created by Kelvin Sherlock on 7/7/2010.
|
||||
* Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "Screen.h"
|
||||
|
||||
#include <algorithm>
|
||||
|
||||
Screen::Screen(unsigned height, unsigned width)
|
||||
{
|
||||
_height = height;
|
||||
_width = width;
|
||||
|
||||
_flag = 0;
|
||||
|
||||
_screen.resize(_height);
|
||||
|
||||
|
||||
for (ScreenIterator iter = _screen.begin(); iter != _screen.end(); ++iter)
|
||||
{
|
||||
iter->resize(_width);
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
void Screen::beginUpdate()
|
||||
{
|
||||
_updates.clear();
|
||||
}
|
||||
|
||||
iRect Screen::endUpdate()
|
||||
{
|
||||
int maxX = -1;
|
||||
int maxY = -1;
|
||||
int minX = _width;
|
||||
int minY = _height;
|
||||
|
||||
for (UpdateIterator iter = _updates.begin(); iter != _updates.end(); ++iter)
|
||||
{
|
||||
maxX = std::max(maxX, iter->x);
|
||||
maxY = std::max(maxY, iter->y);
|
||||
|
||||
minX = std::min(minX, iter->x);
|
||||
minY = std::min(minY, iter->y);
|
||||
}
|
||||
|
||||
return iRect(iPoint(minX, minY), iSize(maxX + 1 - minX, maxY + 1 - minY));
|
||||
}
|
||||
|
||||
void Screen::setFlag(uint8_t flag)
|
||||
{
|
||||
_flag = flag;
|
||||
}
|
||||
|
||||
|
||||
void Screen::putc(uint8_t c, bool incrementX)
|
||||
{
|
||||
if (_cursor.x < _width)
|
||||
{
|
||||
_updates.push_back(_cursor);
|
||||
|
||||
_screen[_cursor.y][_cursor.x] = CharInfo(c, _flag);
|
||||
|
||||
if (incrementX && _cursor.x < _width - 1) ++_cursor.x;
|
||||
}
|
||||
}
|
||||
|
||||
void Screen::setX(int x, bool clamp)
|
||||
{
|
||||
if (x < 0)
|
||||
{
|
||||
if (clamp) _cursor.x = 0;
|
||||
return;
|
||||
}
|
||||
if (x >= _width)
|
||||
{
|
||||
if (clamp) _cursor.x = _width - 1;
|
||||
return;
|
||||
}
|
||||
|
||||
_cursor.x = x;
|
||||
}
|
||||
|
||||
|
||||
void Screen::setY(int y, bool clamp)
|
||||
{
|
||||
if (y < 0)
|
||||
{
|
||||
if (clamp) _cursor.y = 0;
|
||||
return;
|
||||
}
|
||||
if (y >= _height)
|
||||
{
|
||||
if (clamp) _cursor.y = _height - 1;
|
||||
return;
|
||||
}
|
||||
|
||||
_cursor.y = y;
|
||||
}
|
||||
|
||||
|
||||
|
||||
int Screen::incrementX(bool clamp)
|
||||
{
|
||||
setX(_cursor.x + 1, clamp);
|
||||
return _cursor.x;
|
||||
}
|
||||
|
||||
int Screen::decrementX(bool clamp)
|
||||
{
|
||||
setX(_cursor.x - 1, clamp);
|
||||
return _cursor.x;
|
||||
}
|
||||
|
||||
int Screen::incrementY(bool clamp)
|
||||
{
|
||||
setY(_cursor.y + 1, clamp);
|
||||
return _cursor.y;
|
||||
}
|
||||
|
||||
int Screen::decrementY(bool clamp)
|
||||
{
|
||||
setY(_cursor.y - 1, clamp);
|
||||
return _cursor.y;
|
||||
}
|
||||
|
||||
|
||||
void Screen::eraseLine()
|
||||
{
|
||||
// erases everything to the right of, and including, the cursor
|
||||
|
||||
for (CharInfoIterator ciIter = _screen[_cursor.y].begin() + _cursor.x; ciIter < _screen[_cursor.y].end(); ++ciIter)
|
||||
{
|
||||
*ciIter = CharInfo(0, _flag);
|
||||
}
|
||||
|
||||
_updates.push_back(_cursor);
|
||||
_updates.push_back(iPoint(_width - 1, _cursor.y));
|
||||
}
|
||||
void Screen::eraseScreen()
|
||||
{
|
||||
// returns everything to the right of, and including, the cursor as well as all subsequent lines.
|
||||
|
||||
eraseLine();
|
||||
|
||||
if (_cursor.y == _height -1) return;
|
||||
|
||||
for (ScreenIterator iter = _screen.begin() + _cursor.y; iter < _screen.end(); ++iter)
|
||||
{
|
||||
for (CharInfoIterator ciIter = iter->begin(); ciIter < iter->end(); ++ciIter)
|
||||
{
|
||||
*ciIter = CharInfo(0, _flag);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
_updates.push_back(iPoint(0, _cursor.y + 1));
|
||||
_updates.push_back(iPoint(_width - 1, _height - 1));
|
||||
}
|
||||
|
||||
|
||||
void Screen::lineFeed()
|
||||
{
|
||||
// moves the screen up one row, inserting a blank line at the bottom.
|
||||
|
||||
if (_cursor.y == _height - 1)
|
||||
{
|
||||
|
||||
// move lines 1..end up 1 line.
|
||||
for (ScreenIterator iter = _screen.begin() + 1; iter < _screen.end(); ++iter)
|
||||
{
|
||||
iter[-1] = *iter;
|
||||
}
|
||||
|
||||
// reset the bottom line
|
||||
//_screen.back().clear();
|
||||
//_screen.back().resize(_width);
|
||||
|
||||
for (CharInfoIterator ciIter = _screen.back().begin(); ciIter < _screen.back().end(); ++ciIter)
|
||||
{
|
||||
*ciIter = CharInfo(0, 0);
|
||||
}
|
||||
|
||||
_updates.push_back(iPoint(0, 0));
|
||||
_updates.push_back(iPoint(_width - 1, _height - 1));
|
||||
}
|
||||
else
|
||||
{
|
||||
_cursor.y++;
|
||||
}
|
||||
}
|
||||
|
||||
void Screen::reverseLineFeed()
|
||||
{
|
||||
// moves the cursor down one row, inserting a blank line at the top.
|
||||
|
||||
if (_cursor.y == 0)
|
||||
{
|
||||
|
||||
for (ReverseScreenIterator iter = _screen.rbegin() + 1; iter < _screen.rend(); ++iter)
|
||||
{
|
||||
iter[-1] = *iter;
|
||||
}
|
||||
|
||||
// reset the top line
|
||||
//_screen.front().clear();
|
||||
//_screen.front().resize(_width);
|
||||
|
||||
for (CharInfoIterator ciIter = _screen.front().begin(); ciIter < _screen.front().end(); ++ciIter)
|
||||
{
|
||||
*ciIter = CharInfo(0, 0);
|
||||
}
|
||||
|
||||
_updates.push_back(iPoint(0, 0));
|
||||
_updates.push_back(iPoint(_width - 1, _height - 1));
|
||||
}
|
||||
else
|
||||
{
|
||||
_cursor.y--;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,133 @@
|
|||
/*
|
||||
* Screen.h
|
||||
* 2Term
|
||||
*
|
||||
* Created by Kelvin Sherlock on 7/7/2010.
|
||||
* Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __SCREEN_H__
|
||||
#define __SCREEN_H__
|
||||
|
||||
#include "iGeometry.h"
|
||||
|
||||
#include <vector>
|
||||
|
||||
typedef struct CharInfo {
|
||||
|
||||
CharInfo() : c(0), flag(0) {}
|
||||
CharInfo(uint8_t cc, uint8_t ff) : c(cc), flag(ff) {}
|
||||
|
||||
uint8_t c;
|
||||
uint8_t flag;
|
||||
|
||||
} CharInfo;
|
||||
|
||||
class Screen {
|
||||
|
||||
public:
|
||||
|
||||
Screen(unsigned height, unsigned width);
|
||||
|
||||
int x() const;
|
||||
int y() const;
|
||||
|
||||
iPoint cursor() const;
|
||||
uint8_t flag() const;
|
||||
|
||||
unsigned height() const;
|
||||
unsigned width() const;
|
||||
|
||||
|
||||
int incrementX(bool clamp = true);
|
||||
int decrementX(bool clamp = true);
|
||||
int incrementY(bool clamp = true);
|
||||
int decrementY(bool clamp = true);
|
||||
|
||||
void setX(int x, bool clamp = true);
|
||||
void setY(int y, bool clamp = true);
|
||||
|
||||
void setCursor(iPoint point, bool clampX = true, bool clampY = true);
|
||||
void setCursor(int x, int y, bool clampX = true, bool clampY = true);
|
||||
|
||||
void setFlag(uint8_t flag);
|
||||
|
||||
void putc(uint8_t c, bool incrementX = true);
|
||||
|
||||
void eraseLine();
|
||||
void eraseScreen();
|
||||
|
||||
void lineFeed();
|
||||
void reverseLineFeed();
|
||||
|
||||
|
||||
void beginUpdate();
|
||||
iRect endUpdate();
|
||||
|
||||
private:
|
||||
|
||||
iPoint _cursor;
|
||||
unsigned _height;
|
||||
unsigned _width;
|
||||
|
||||
uint8_t _flag;
|
||||
|
||||
std::vector< std::vector< CharInfo > > _screen;
|
||||
|
||||
std::vector<iPoint> _updates;
|
||||
|
||||
|
||||
typedef std::vector< std::vector< CharInfo > >::iterator ScreenIterator;
|
||||
typedef std::vector< std::vector< CharInfo > >::reverse_iterator ReverseScreenIterator;
|
||||
|
||||
typedef std::vector<CharInfo>::iterator CharInfoIterator;
|
||||
typedef std::vector<iPoint>::iterator UpdateIterator;
|
||||
|
||||
};
|
||||
|
||||
|
||||
int Screen::x() const
|
||||
{
|
||||
return _cursor.x;
|
||||
}
|
||||
|
||||
int Screen::y() const
|
||||
{
|
||||
return _cursor.y;
|
||||
}
|
||||
|
||||
iPoint Screen::cursor() const
|
||||
{
|
||||
return _cursor;
|
||||
}
|
||||
|
||||
uint8_t Screen::flag() const
|
||||
{
|
||||
return _flag;
|
||||
}
|
||||
|
||||
unsigned Screen::height() const
|
||||
{
|
||||
return _height;
|
||||
}
|
||||
|
||||
unsigned Screen::width() const
|
||||
{
|
||||
return _width;
|
||||
}
|
||||
|
||||
void Screen::setCursor(iPoint point, bool clampX, bool clampY)
|
||||
{
|
||||
setX(point.x, clampX);
|
||||
setY(point.y, clampY);
|
||||
}
|
||||
|
||||
void Screen::setCursor(int x, int y, bool clampX, bool clampY)
|
||||
{
|
||||
setX(x, clampX);
|
||||
setY(y, clampY);
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
//
|
||||
// TermWindowController.h
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/2/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import <Cocoa/Cocoa.h>
|
||||
|
||||
|
||||
@class EmulatorView;
|
||||
|
||||
@interface TermWindowController : NSWindowController {
|
||||
|
||||
IBOutlet EmulatorView *_emulatorView;
|
||||
|
||||
int _child;
|
||||
|
||||
}
|
||||
|
||||
-(void)initPTY;
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,98 @@
|
|||
//
|
||||
// TermWindowController.m
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/2/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TermWindowController.h"
|
||||
#import "EmulatorView.h"
|
||||
|
||||
#define TTYDEFCHARS
|
||||
|
||||
#include <util.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <poll.h>
|
||||
#include <errno.h>
|
||||
#include <sys/ttydefaults.h>
|
||||
|
||||
@implementation TermWindowController
|
||||
|
||||
+(id)new
|
||||
{
|
||||
return [[self alloc] initWithWindowNibName: @"TermWindow"];
|
||||
}
|
||||
|
||||
-(void)awakeFromNib
|
||||
{
|
||||
[self initPTY];
|
||||
}
|
||||
|
||||
-(void)initPTY
|
||||
{
|
||||
int pid;
|
||||
int fd;
|
||||
struct termios term;
|
||||
struct winsize ws = { 24, 80, 0, 0 };
|
||||
//int flags;
|
||||
|
||||
memset(&term, 0, sizeof(term));
|
||||
|
||||
//term.c_oflag = OPOST | ONLCR;
|
||||
//term.c_lflag = ECHO;
|
||||
//term.c_iflag = ICRNL; // | ICANON | ECHOE | ISIG;
|
||||
|
||||
term.c_oflag = TTYDEF_OFLAG;
|
||||
term.c_lflag = TTYDEF_LFLAG;
|
||||
term.c_iflag = TTYDEF_IFLAG;
|
||||
term.c_cflag = TTYDEF_CFLAG;
|
||||
|
||||
term.c_ispeed = term.c_ospeed = TTYDEF_SPEED;
|
||||
|
||||
memcpy(term.c_cc, ttydefchars, sizeof(ttydefchars));
|
||||
|
||||
|
||||
|
||||
pid = forkpty(&fd, NULL, &term, &ws);
|
||||
|
||||
if (pid < 0)
|
||||
{
|
||||
//error
|
||||
return;
|
||||
}
|
||||
if (pid == 0)
|
||||
{
|
||||
const char *environ[] = {
|
||||
"TERM=vt52",
|
||||
"LANG=C",
|
||||
"TERM_PROGRAM=2Term",
|
||||
NULL
|
||||
};
|
||||
// call login -f [username]
|
||||
// export TERM=...
|
||||
|
||||
|
||||
|
||||
execle("/usr/bin/login", "login", "-f", "kelvin", NULL, environ);
|
||||
fprintf(stderr, "execle failed\n");
|
||||
fflush(stderr);
|
||||
|
||||
exit(-1);
|
||||
// child
|
||||
}
|
||||
|
||||
/*
|
||||
if (fcntl(fd, F_GETFL, &flags) < 0) flags = 0;
|
||||
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
|
||||
*/
|
||||
|
||||
_child = pid;
|
||||
|
||||
[_emulatorView setFd: fd];
|
||||
[_emulatorView startBackgroundReader];
|
||||
}
|
||||
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
<plist version="1.0">
|
||||
<dict>
|
||||
<key>CFBundleDevelopmentRegion</key>
|
||||
<string>English</string>
|
||||
<key>CFBundleExecutable</key>
|
||||
<string>${EXECUTABLE_NAME}</string>
|
||||
<key>CFBundleIconFile</key>
|
||||
<string></string>
|
||||
<key>CFBundleIdentifier</key>
|
||||
<string>com.yourcompany.${PRODUCT_NAME:rfc1034identifier}</string>
|
||||
<key>CFBundleInfoDictionaryVersion</key>
|
||||
<string>6.0</string>
|
||||
<key>CFBundleName</key>
|
||||
<string>${PRODUCT_NAME}</string>
|
||||
<key>CFBundlePackageType</key>
|
||||
<string>APPL</string>
|
||||
<key>CFBundleShortVersionString</key>
|
||||
<string>1.0</string>
|
||||
<key>CFBundleSignature</key>
|
||||
<string>????</string>
|
||||
<key>CFBundleVersion</key>
|
||||
<string>1</string>
|
||||
<key>LSMinimumSystemVersion</key>
|
||||
<string>${MACOSX_DEPLOYMENT_TARGET}</string>
|
||||
<key>NSMainNibFile</key>
|
||||
<string>MainMenu</string>
|
||||
<key>NSPrincipalClass</key>
|
||||
<string>NSApplication</string>
|
||||
</dict>
|
||||
</plist>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
//
|
||||
// TwoTermAppDelegate.h
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 6/29/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import <Cocoa/Cocoa.h>
|
||||
|
||||
@interface TwoTermAppDelegate : NSObject <NSApplicationDelegate> {
|
||||
NSWindow *window;
|
||||
NSImageView *imageView;
|
||||
}
|
||||
|
||||
@property (assign) IBOutlet NSWindow *window;
|
||||
@property (assign) IBOutlet NSImageView *imageView;
|
||||
@end
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
//
|
||||
// TwoTermAppDelegate.m
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 6/29/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import "TwoTermAppDelegate.h"
|
||||
|
||||
#include "chars.h"
|
||||
#import "TermWindowController.h"
|
||||
|
||||
|
||||
@implementation TwoTermAppDelegate
|
||||
|
||||
@synthesize window;
|
||||
@synthesize imageView;
|
||||
|
||||
|
||||
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
|
||||
// Insert code here to initialize your application
|
||||
/*
|
||||
NSImage *image;
|
||||
CGImageRef imgRef = ImageForCharacter('A');
|
||||
|
||||
image = [[NSImage alloc] initWithCGImage: imgRef size: CGSizeZero];
|
||||
|
||||
[imageView setImage: image];
|
||||
[image release];
|
||||
CGImageRelease(imgRef);
|
||||
*/
|
||||
|
||||
NSWindowController * win = [TermWindowController new];
|
||||
[win showWindow: nil];
|
||||
}
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
//
|
||||
// VT05.h
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/6/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import <Cocoa/Cocoa.h>
|
||||
#import "Emulator.h"
|
||||
|
||||
#include "iGeometry.h"
|
||||
|
||||
class OutputChannel;
|
||||
class Screen;
|
||||
|
||||
|
||||
|
||||
@interface VT05 : NSObject <Emulator> {
|
||||
unsigned _state;
|
||||
struct iPoint _dca;
|
||||
BOOL _upperCase;
|
||||
}
|
||||
|
||||
-(void)tab: (Screen *)screen;
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,231 @@
|
|||
//
|
||||
// VT05.m
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/6/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#include <sys/ttydefaults.h>
|
||||
#include <cctype>
|
||||
|
||||
#import "VT05.h"
|
||||
|
||||
#include "OutputChannel.h"
|
||||
#include "Screen.h"
|
||||
|
||||
|
||||
@implementation VT05
|
||||
|
||||
enum {
|
||||
StateText,
|
||||
StateDCAY,
|
||||
StateDCAX
|
||||
};
|
||||
|
||||
enum {
|
||||
VTBell = 07,
|
||||
VTCursorLeft = 010,
|
||||
VTTab = 011,
|
||||
VTLineFeed = 012,
|
||||
VTCursorDown = 013,
|
||||
VTCarriageReturn = 015,
|
||||
VTCAD = 016,
|
||||
|
||||
VTCursorRight = 030,
|
||||
VTCursorUp = 032,
|
||||
VTHome = 035,
|
||||
VTEOL = 036,
|
||||
VTEOS = 037
|
||||
|
||||
};
|
||||
|
||||
-(void)reset
|
||||
{
|
||||
_state = StateText;
|
||||
}
|
||||
|
||||
-(void)keyDown: (NSEvent *)event screen: (Screen *)screen output: (OutputChannel *)output
|
||||
{
|
||||
unsigned flags = [event modifierFlags];
|
||||
NSString *chars = [event charactersIgnoringModifiers];
|
||||
unsigned length = [chars length];
|
||||
|
||||
|
||||
for (unsigned i = 0; i < length; ++i)
|
||||
{
|
||||
unichar uc = [chars characterAtIndex: i];
|
||||
uint8_t c;
|
||||
|
||||
switch (uc)
|
||||
{
|
||||
case NSLeftArrowFunctionKey:
|
||||
output->write(VTCursorLeft);
|
||||
break;
|
||||
case NSRightArrowFunctionKey:
|
||||
output->write(VTCursorRight);
|
||||
break;
|
||||
case NSUpArrowFunctionKey:
|
||||
output->write(VTCursorUp);
|
||||
break;
|
||||
case NSDownArrowFunctionKey:
|
||||
output->write(VTCursorDown);
|
||||
break;
|
||||
case NSHomeFunctionKey:
|
||||
output->write(VTHome);
|
||||
break;
|
||||
case NSDeleteCharacter:
|
||||
output->write(0x7f);
|
||||
break;
|
||||
|
||||
default:
|
||||
if (uc > 0x7f) break;
|
||||
c = uc;
|
||||
|
||||
if (flags & NSControlKeyMask)
|
||||
{
|
||||
c = CTRL(c);
|
||||
}
|
||||
output->write(c);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
-(void)processCharacter: (uint8_t)c screen: (Screen *)screen output: (OutputChannel *)output
|
||||
{
|
||||
|
||||
switch (_state)
|
||||
{
|
||||
case StateText:
|
||||
{
|
||||
switch (c)
|
||||
{
|
||||
case 0x00:
|
||||
case 0x7f:
|
||||
// padding.
|
||||
break;
|
||||
case VTBell:
|
||||
/*
|
||||
* Produces an audible tone.
|
||||
*/
|
||||
NSBeep();
|
||||
break;
|
||||
|
||||
case VTCursorLeft:
|
||||
// backspace aka left arrow.
|
||||
screen->decrementX();
|
||||
break;
|
||||
|
||||
case VTTab:
|
||||
[self tab: screen];
|
||||
break;
|
||||
|
||||
case VTLineFeed:
|
||||
// line feed.
|
||||
screen->lineFeed();
|
||||
break;
|
||||
|
||||
case VTCursorDown:
|
||||
// arrow down.
|
||||
screen->incrementY();
|
||||
break;
|
||||
|
||||
case VTCarriageReturn:
|
||||
// carriage return;
|
||||
screen->setX(0);
|
||||
break;
|
||||
|
||||
case VTCAD:
|
||||
// CAD
|
||||
_state = StateDCAY;
|
||||
break;
|
||||
|
||||
case VTCursorRight:
|
||||
// right arrow.
|
||||
screen->incrementX();
|
||||
break;
|
||||
|
||||
case VTCursorUp:
|
||||
// up arrow
|
||||
screen->decrementY();
|
||||
break;
|
||||
|
||||
case VTHome:
|
||||
// home
|
||||
screen->setCursor(0, 0);
|
||||
break;
|
||||
|
||||
case VTEOL:
|
||||
// erase line
|
||||
screen->eraseLine();
|
||||
break;
|
||||
|
||||
case VTEOS:
|
||||
// erase screen,
|
||||
screen->eraseScreen();
|
||||
break;
|
||||
|
||||
default:
|
||||
if (c >= ' ' && c < 0x7f)
|
||||
{
|
||||
// if cursor at end of screen, overwrite previous contents, doesn't advance cursor.
|
||||
|
||||
if (_upperCase) c = toupper(c);
|
||||
screen->putc(c);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
case StateDCAY:
|
||||
{
|
||||
// not sure how invalid values are handled.
|
||||
|
||||
if (c != 0x00)
|
||||
{
|
||||
_state = StateDCAX;
|
||||
_dca.y = c - ' ';
|
||||
}
|
||||
break;
|
||||
}
|
||||
case StateDCAX:
|
||||
{
|
||||
if (c != 0x00)
|
||||
{
|
||||
_state = StateText;
|
||||
_dca.x = c - ' ';
|
||||
|
||||
screen->setCursor(_dca);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
-(void)tab: (Screen *)screen
|
||||
{
|
||||
/*
|
||||
* TAB (011_8) causes the cursor to move right to the next TAB stop each time the TAB code is received.
|
||||
* TAB stops are preset eight character spaces apart. TAB stop locations are at characters positions 1, 9,
|
||||
* 17, 25, 33, 41, 49, 57, and 65. Once the cursor reaches character position 65, all TAB commands
|
||||
* received thereafter will cause the cursor to move only one character position. Once the cursor reaches
|
||||
* character position 72, receipt of the the TAB code has no effect.
|
||||
*/
|
||||
|
||||
int x = screen->x();
|
||||
|
||||
if (x >= screen->width() - 8)
|
||||
{
|
||||
screen->setX(x + 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
screen->setX((x + 8) & ~7);
|
||||
}
|
||||
}
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
//
|
||||
// VT52.h
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/7/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import <Cocoa/Cocoa.h>
|
||||
#import "Emulator.h"
|
||||
|
||||
#include "iGeometry.h"
|
||||
|
||||
|
||||
@interface VT52 : NSObject <Emulator> {
|
||||
|
||||
unsigned _model;
|
||||
|
||||
unsigned _state;
|
||||
iPoint _dca;
|
||||
BOOL _altKeyPad;
|
||||
BOOL _graphics;
|
||||
}
|
||||
|
||||
-(void)tab: (Screen *)screen;
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,454 @@
|
|||
//
|
||||
// VT52.mm
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/7/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#include <sys/ttydefaults.h>
|
||||
#include <cctype>
|
||||
|
||||
#import "VT52.h"
|
||||
#include "OutputChannel.h"
|
||||
#include "Screen.h"
|
||||
|
||||
enum {
|
||||
StateText,
|
||||
StateEsc,
|
||||
StateDCAY,
|
||||
StateDCAX
|
||||
};
|
||||
|
||||
|
||||
// VT52 is 24 x 80 upper/lowercase.
|
||||
// 50/50H is 12 * 80, uppercase only. H has a keypad.
|
||||
// The 50s only display/transmit uppercase characters and lack `~ {} characters on the keypad.
|
||||
// VT55 is a VT52 with extra graphic display capabilites.
|
||||
enum {
|
||||
ModelVT52,
|
||||
ModelVT50H,
|
||||
ModelVT50,
|
||||
ModelVT55
|
||||
};
|
||||
|
||||
#define ESC "\x1b"
|
||||
|
||||
@implementation VT52
|
||||
|
||||
-(void)keyDown: (NSEvent *)event screen: (Screen *)screen output: (OutputChannel *)output
|
||||
{
|
||||
unsigned flags = [event modifierFlags];
|
||||
NSString *chars = [event charactersIgnoringModifiers];
|
||||
unsigned length = [chars length];
|
||||
|
||||
|
||||
for (unsigned i = 0; i < length; ++i)
|
||||
{
|
||||
unichar uc = [chars characterAtIndex: i];
|
||||
uint8_t c;
|
||||
|
||||
|
||||
if (flags & NSNumericPadKeyMask)
|
||||
{
|
||||
if (_altKeyPad)
|
||||
{
|
||||
const char *str = NULL;
|
||||
switch (uc)
|
||||
{
|
||||
case '0':
|
||||
str = ESC "?p";
|
||||
break;
|
||||
case '1':
|
||||
str = ESC "?q";
|
||||
break;
|
||||
case '2':
|
||||
str = ESC "?r";
|
||||
break;
|
||||
case '3':
|
||||
str = ESC "?s";
|
||||
break;
|
||||
case '4':
|
||||
str = ESC "?t";
|
||||
break;
|
||||
case '5':
|
||||
str = ESC "?u";
|
||||
break;
|
||||
case '6':
|
||||
str = ESC "?v";
|
||||
break;
|
||||
case '7':
|
||||
str = ESC "?w";
|
||||
break;
|
||||
case '8':
|
||||
str = ESC "?x";
|
||||
break;
|
||||
case '9':
|
||||
str = ESC "?y";
|
||||
break;
|
||||
case '.':
|
||||
str = ESC "?n";
|
||||
break;
|
||||
case NSNewlineCharacter: //?
|
||||
case NSEnterCharacter:
|
||||
str = ESC "?M";
|
||||
break;
|
||||
|
||||
}
|
||||
if (str)
|
||||
{
|
||||
output->write(str);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
switch (uc)
|
||||
{
|
||||
case NSEnterCharacter:
|
||||
output->write('\r');
|
||||
break;
|
||||
case NSDeleteCharacter:
|
||||
output->write(0x7f);
|
||||
break;
|
||||
case NSUpArrowFunctionKey:
|
||||
output->write(ESC "A");
|
||||
break;
|
||||
case NSDownArrowFunctionKey:
|
||||
output->write(ESC "B");
|
||||
break;
|
||||
case NSRightArrowFunctionKey:
|
||||
output->write(ESC "C");
|
||||
break;
|
||||
case NSLeftArrowFunctionKey:
|
||||
output->write(ESC "D");
|
||||
break;
|
||||
|
||||
default:
|
||||
if (uc > 0x7f) break;
|
||||
c = uc;
|
||||
|
||||
if (flags & NSControlKeyMask)
|
||||
{
|
||||
c = CTRL(c);
|
||||
}
|
||||
output->write(c);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
-(void)reset
|
||||
{
|
||||
_state = StateText;
|
||||
}
|
||||
|
||||
-(void)processCharacter: (uint8_t)c screen: (Screen *)screen output: (OutputChannel *)output
|
||||
{
|
||||
|
||||
switch (_state)
|
||||
{
|
||||
case StateEsc:
|
||||
{
|
||||
switch (c)
|
||||
{
|
||||
case 0x00:
|
||||
case 0x7f:
|
||||
// filler.
|
||||
break;
|
||||
|
||||
case 0x1b:
|
||||
/*
|
||||
* If the VT50 or VT50H receives ESC ESC from the host, the second ESC will cancel the Escape Sequence ...
|
||||
* If the VT52 receies ESC ESC, it will still be prepared to interpret rather than display the next displayable character.
|
||||
*/
|
||||
switch (_model) {
|
||||
|
||||
case ModelVT50:
|
||||
case ModelVT50H:
|
||||
_state = StateText;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
// cursor control.
|
||||
|
||||
case 'A':
|
||||
/* cursor up */
|
||||
screen->decrementY();
|
||||
_state = StateText;
|
||||
break;
|
||||
case 'C':
|
||||
/* cursor right */
|
||||
screen->incrementX();
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
case 'B':
|
||||
/* cursor down (not on VT50) */
|
||||
|
||||
if (_model != ModelVT50)
|
||||
screen->incrementY();
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
case 'D':
|
||||
/* cursor left (not on the VT50) */
|
||||
|
||||
if (_model != ModelVT50)
|
||||
screen->decrementX();
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
case 'H':
|
||||
/* home */
|
||||
screen->setCursor(0, 0);
|
||||
_state = StateText;
|
||||
|
||||
case 'Y':
|
||||
/* direct cursor addressing (not on the VT50) */
|
||||
if (_model == ModelVT50)
|
||||
{
|
||||
_state = StateText;
|
||||
}
|
||||
else
|
||||
{
|
||||
_state = StateDCAY;
|
||||
}
|
||||
break;
|
||||
|
||||
|
||||
case 'I':
|
||||
// reverse line feed
|
||||
switch (_model) {
|
||||
case ModelVT52:
|
||||
case ModelVT55:
|
||||
screen->reverseLineFeed();
|
||||
break;
|
||||
}
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
|
||||
// erasing
|
||||
case 'K':
|
||||
// erase to end of line
|
||||
screen->eraseLine();
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
case 'J':
|
||||
// erase to end of screen.
|
||||
screen->eraseScreen();
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
|
||||
// alternate keypad mode
|
||||
case '=':
|
||||
switch (_model) {
|
||||
case ModelVT52:
|
||||
case ModelVT55:
|
||||
_altKeyPad = YES;
|
||||
break;
|
||||
}
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
|
||||
case '>':
|
||||
switch (_model) {
|
||||
case ModelVT52:
|
||||
case ModelVT55:
|
||||
_altKeyPad = NO;
|
||||
break;
|
||||
}
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
|
||||
// graphics.
|
||||
case 'F':
|
||||
switch (_model) {
|
||||
case ModelVT52:
|
||||
case ModelVT55:
|
||||
_graphics = YES;
|
||||
break;
|
||||
}
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
case 'G':
|
||||
switch (_model) {
|
||||
case ModelVT52:
|
||||
case ModelVT55:
|
||||
_graphics = NO;
|
||||
break;
|
||||
}
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
|
||||
case 'Z':
|
||||
// identify terminal.
|
||||
// NB -- these indicate no copier.
|
||||
switch(_model) {
|
||||
case ModelVT50:
|
||||
output->write(ESC "/A");
|
||||
break;
|
||||
case ModelVT50H:
|
||||
output->write(ESC "/H");
|
||||
break;
|
||||
case ModelVT52:
|
||||
output->write(ESC "/K");
|
||||
break;
|
||||
|
||||
case ModelVT55:
|
||||
output->write(ESC "/C"); // E?
|
||||
break;
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
// hold screen unsupported.
|
||||
|
||||
// ESC 1 -- (VT55) -- enter graph drawing
|
||||
// ESC 2 -- (VT55) -- exit graph drawing
|
||||
|
||||
default:
|
||||
std::fprintf(stderr, "Unrecognized escape sequence: %02x (%c)\n", (int)c, c);
|
||||
_state = StateText;
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case StateDCAY:
|
||||
{
|
||||
if (c == 0x00) break;
|
||||
_dca.y = c - 0x20;
|
||||
_state = StateDCAX;
|
||||
break;
|
||||
}
|
||||
|
||||
case StateDCAX:
|
||||
{
|
||||
if (c == 0x00) break;
|
||||
|
||||
_dca.x = c - 0x20;
|
||||
|
||||
/*
|
||||
* If the line # does not specify a line that exists on the screen, the VT50H
|
||||
* will move the cursor to the bottom line of the screen. However, the VT52 will
|
||||
* not move the cursor vertically if the vertical parameter is out of bounds.
|
||||
*/
|
||||
|
||||
/*
|
||||
* If the column number is greater than 157 and, therefore, does not specify a column
|
||||
* that exists on the screen, the cursor is moved to the rightmost column on a line on all models.
|
||||
*/
|
||||
|
||||
screen->setCursor(_dca, true, _model == ModelVT50H);
|
||||
|
||||
_state = StateText;
|
||||
break;
|
||||
}
|
||||
|
||||
case StateText:
|
||||
{
|
||||
|
||||
switch(c)
|
||||
{
|
||||
case 0x00:
|
||||
case 0x7f:
|
||||
// filler
|
||||
break;
|
||||
case 0x1b:
|
||||
_state = StateEsc;
|
||||
break;
|
||||
|
||||
case 0x07:
|
||||
NSBeep();
|
||||
break;
|
||||
|
||||
case 0x08:
|
||||
// backspace
|
||||
screen->decrementX();
|
||||
break;
|
||||
|
||||
case 0x09:
|
||||
[self tab: screen];
|
||||
|
||||
case 0x0a:
|
||||
screen->lineFeed();
|
||||
break;
|
||||
|
||||
case 0x0d:
|
||||
screen->setX(0);
|
||||
break;
|
||||
|
||||
case 0x0e:
|
||||
// VT52H only -- backwards compatability with the VT05.
|
||||
if (_model == ModelVT50H)
|
||||
_state = StateDCAY;
|
||||
break;
|
||||
|
||||
default:
|
||||
if (c >= 0x20 && c < 0x7f)
|
||||
{
|
||||
// VT50x cannot display anything in the range 0140--0176
|
||||
|
||||
if (c >= 0140 && (_model == ModelVT50 || _model == ModelVT50H))
|
||||
c -= 040;
|
||||
|
||||
output->write(c);
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
-(void)tab: (Screen *)screen
|
||||
{
|
||||
/*
|
||||
* TAB (011_8) causes the cursor to move right to the next TAB stop each time the TAB code is received.
|
||||
* TAB stops are preset eight character spaces apart. TAB stop locations are at characters positions 1, 9,
|
||||
* 17, 25, 33, 41, 49, 57, and 65. Once the cursor reaches character position 65, all TAB commands
|
||||
* received thereafter will cause the cursor to move only one character position. Once the cursor reaches
|
||||
* character position 72, receipt of the the TAB code has no effect.
|
||||
*/
|
||||
|
||||
int x = screen->x();
|
||||
|
||||
if (x >= screen->width() - 8)
|
||||
{
|
||||
screen->setX(x + 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
screen->setX((x + 8) & ~7);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
//
|
||||
// VT52View.h
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/2/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#import <Cocoa/Cocoa.h>
|
||||
|
||||
#import "EmulatorView.h"
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
@interface VT52View : EmulatorView {
|
||||
|
||||
BOOL _altKeyPad;
|
||||
BOOL _vt50;
|
||||
|
||||
// terminal emulator implemented as a state machine.
|
||||
unsigned _state;
|
||||
|
||||
// only used by child thread.
|
||||
|
||||
std::vector<struct CursorPosition> _updates;
|
||||
|
||||
char _yTemp[2];
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
@end
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,676 @@
|
|||
//
|
||||
// VT52View.mm
|
||||
// 2Term
|
||||
//
|
||||
// Created by Kelvin Sherlock on 7/2/2010.
|
||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
//
|
||||
|
||||
#include <cctype>
|
||||
#include <algorithm>
|
||||
|
||||
#import "VT52View.h"
|
||||
|
||||
const char esc = 0x1b;
|
||||
#define ESC "\x1b"
|
||||
|
||||
enum {
|
||||
StateText,
|
||||
StateEscape,
|
||||
StateEscapeY1,
|
||||
StateEscapeY2
|
||||
};
|
||||
|
||||
|
||||
@interface VT52View (Cursor)
|
||||
|
||||
-(void)cursorLeft;
|
||||
-(void)cursorRight;
|
||||
-(void)cursorUp;
|
||||
-(void)cursorDown;
|
||||
-(void)cursorHome;
|
||||
|
||||
-(void)_setCursor: (CursorPosition)cursor;
|
||||
|
||||
-(void)lineFeed;
|
||||
-(void)reverseLineFeed;
|
||||
-(void)carriageReturn;
|
||||
|
||||
-(void)tab;
|
||||
|
||||
@end
|
||||
|
||||
@interface VT52View (Private)
|
||||
|
||||
|
||||
-(void)invalidate;
|
||||
|
||||
|
||||
-(void)processCharacter: (uint8_t)c;
|
||||
|
||||
-(void)appendChar: (uint8_t)c;
|
||||
|
||||
-(void)eraseLine;
|
||||
-(void)eraseScreen;
|
||||
|
||||
@end
|
||||
|
||||
|
||||
|
||||
@implementation VT52View
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
-(void)dataAvailable
|
||||
{
|
||||
//NB -- this is not the main thread.
|
||||
|
||||
|
||||
// actually read the data
|
||||
for(;;)
|
||||
{
|
||||
ssize_t i;
|
||||
uint8_t buffer[512];
|
||||
ssize_t size = read(_fd, buffer, sizeof(buffer));
|
||||
NSAutoreleasePool *pool;
|
||||
|
||||
if (size == 0) break;
|
||||
if (size < 0)
|
||||
{
|
||||
if (errno == EAGAIN) break;
|
||||
|
||||
perror("[VT52View dataAvailable] : read: ");
|
||||
break;
|
||||
}
|
||||
|
||||
[_lock lock];
|
||||
|
||||
pool = [NSAutoreleasePool new];
|
||||
for (i = 0 ; i < size; ++i)
|
||||
{
|
||||
//if (buffer[i] < ' ') std::fprintf(stderr, "%02x\n", (int)buffer[i]);
|
||||
[self processCharacter: buffer[i]];
|
||||
}
|
||||
[self invalidate];
|
||||
|
||||
[_lock unlock];
|
||||
[pool release];
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
-(void)keyDown: (NSEvent *)theEvent
|
||||
{
|
||||
unsigned flags = [theEvent modifierFlags];
|
||||
NSString *chars = [theEvent charactersIgnoringModifiers];
|
||||
|
||||
unsigned length = [chars length];
|
||||
unsigned i;
|
||||
|
||||
if (flags & NSCommandKeyMask) return;
|
||||
|
||||
// length should always be 1...
|
||||
for (i = 0 ; i < length; ++i)
|
||||
{
|
||||
unichar uc = [chars characterAtIndex: i];
|
||||
char c;
|
||||
|
||||
|
||||
if (flags & NSNumericPadKeyMask)
|
||||
{
|
||||
const char *str = NULL;
|
||||
if (_altKeyPad)
|
||||
{
|
||||
switch (uc)
|
||||
{
|
||||
case '0':
|
||||
str = ESC "?p";
|
||||
break;
|
||||
case '1':
|
||||
str = ESC "?q";
|
||||
break;
|
||||
case '2':
|
||||
str = ESC "?r";
|
||||
break;
|
||||
case '3':
|
||||
str = ESC "?s";
|
||||
break;
|
||||
case '4':
|
||||
str = ESC "?t";
|
||||
break;
|
||||
case '5':
|
||||
str = ESC "?u";
|
||||
break;
|
||||
case '6':
|
||||
str = ESC "?v";
|
||||
break;
|
||||
case '7':
|
||||
str = ESC "?w";
|
||||
break;
|
||||
case '8':
|
||||
str = ESC "?x";
|
||||
break;
|
||||
case '9':
|
||||
str = ESC "?y";
|
||||
break;
|
||||
case '.':
|
||||
str = ESC "?n";
|
||||
break;
|
||||
case NSNewlineCharacter:
|
||||
case NSEnterCharacter:
|
||||
str = ESC "?M";
|
||||
break;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
switch (uc)
|
||||
{
|
||||
case NSEnterCharacter:
|
||||
uc = '\r';
|
||||
break;
|
||||
case NSUpArrowFunctionKey:
|
||||
str = ESC "A";
|
||||
break;
|
||||
case NSDownArrowFunctionKey:
|
||||
str = ESC "B";
|
||||
break;
|
||||
case NSRightArrowFunctionKey:
|
||||
str = ESC "C";
|
||||
break;
|
||||
case NSLeftArrowFunctionKey:
|
||||
str = ESC "D";
|
||||
break;
|
||||
}
|
||||
if (str)
|
||||
{
|
||||
ssize_t size = write(_fd, str, strlen(str));
|
||||
if (size < 0)
|
||||
{
|
||||
perror("keyDown: write");
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if (uc > 0x7f) continue;
|
||||
c = uc;
|
||||
|
||||
if (flags & NSControlKeyMask)
|
||||
{
|
||||
// 040, 0100, and 0140 are all equivalent
|
||||
c &= 0x1f;
|
||||
}
|
||||
/*
|
||||
else
|
||||
{
|
||||
if (c == NSEnterCharacter) c = '\r';
|
||||
}
|
||||
*/
|
||||
|
||||
|
||||
write(_fd, &c, 1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
@end
|
||||
|
||||
|
||||
|
||||
|
||||
@implementation VT52View (Cursor)
|
||||
|
||||
// these are not thread safe...
|
||||
|
||||
#pragma mark -
|
||||
#pragma mark Cursor Control
|
||||
-(void)setCursor: (CursorPosition)cursor
|
||||
{
|
||||
[_lock lock];
|
||||
[self _setCursor: cursor];
|
||||
//[self invalidate];
|
||||
[_lock unlock];
|
||||
}
|
||||
|
||||
-(void)_setCursor: (CursorPosition)cursor
|
||||
{
|
||||
|
||||
if (cursor.x < 0) cursor.x = 0;
|
||||
if (cursor.x >= _width) cursor.x = _width - 1;
|
||||
|
||||
if (cursor.y < 0) cursor.y = 0;
|
||||
if (cursor.y >= _height) cursor.y = _height - 1;
|
||||
|
||||
if (cursor == _cursor) return;
|
||||
|
||||
// TODO -- cursor should be a child view, to handle blinking, cursor style, etc.
|
||||
//_updates.push_back(_cursor);
|
||||
//_updates.push_back(cursor);
|
||||
_cursor = cursor;
|
||||
}
|
||||
|
||||
-(void)cursorLeft
|
||||
{
|
||||
if (_cursor.x == 0) return;
|
||||
|
||||
[self _setCursor: CursorPosition(_cursor.x - 1, _cursor.y)];
|
||||
}
|
||||
|
||||
-(void)cursorRight
|
||||
{
|
||||
if (_cursor.x == (_width - 1)) return;
|
||||
|
||||
[self _setCursor: CursorPosition(_cursor.x + 1, _cursor.y)];
|
||||
}
|
||||
|
||||
-(void)cursorUp
|
||||
{
|
||||
if (_cursor.y == 0) return;
|
||||
|
||||
[self _setCursor: CursorPosition(_cursor.x, _cursor.y - 1)];
|
||||
}
|
||||
|
||||
-(void)cursorDown
|
||||
{
|
||||
if (_cursor.y == (_height - 1)) return;
|
||||
|
||||
[self _setCursor: CursorPosition(_cursor.x, _cursor.y + 1)];
|
||||
}
|
||||
|
||||
-(void)lineFeed
|
||||
{
|
||||
// increment line, column doesn't change. If already on the bottom line, a 1-line scroll occurs.
|
||||
|
||||
if (_cursor.y == _height - 1)
|
||||
{
|
||||
CharInfo tmp = {0,0};
|
||||
// scroll all the lines....
|
||||
for (unsigned y = 1; y < _height; ++y)
|
||||
{
|
||||
for (unsigned x = 0; x < _width; ++x)
|
||||
{
|
||||
_screen[y-1][x] = _screen[y][x];
|
||||
}
|
||||
}
|
||||
|
||||
for (unsigned x = 0; x < _width; ++x)
|
||||
{
|
||||
_screen[_height -1][x] = tmp;
|
||||
}
|
||||
|
||||
|
||||
[self setNeedsDisplay: YES];
|
||||
}
|
||||
else
|
||||
{
|
||||
[self _setCursor: CursorPosition(_cursor.x, _cursor.y + 1)];
|
||||
}
|
||||
}
|
||||
|
||||
-(void)reverseLineFeed
|
||||
{
|
||||
// decrement line, column doesn't change. If already on the bottom line, a 1-line scroll occurs.
|
||||
|
||||
if (_cursor.y == 0)
|
||||
{
|
||||
CharInfo tmp = {0,0};
|
||||
// scroll all the lines....
|
||||
for (unsigned y = 0; y < _height - 1; ++y)
|
||||
{
|
||||
for (unsigned x = 0; x < _width; ++x)
|
||||
{
|
||||
_screen[y+1][x] = _screen[y][x];
|
||||
}
|
||||
}
|
||||
|
||||
for (unsigned x = 0; x < _width; ++x)
|
||||
{
|
||||
_screen[0][x] = tmp;
|
||||
}
|
||||
|
||||
|
||||
[self setNeedsDisplay: YES];
|
||||
}
|
||||
else
|
||||
{
|
||||
[self _setCursor: CursorPosition(_cursor.x, _cursor.y - 1)];
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
-(void)carriageReturn
|
||||
{
|
||||
// move x to 0.
|
||||
if (_cursor.x == 0) return;
|
||||
[self _setCursor: CursorPosition(0, _cursor.y)];
|
||||
}
|
||||
|
||||
-(void)cursorHome
|
||||
{
|
||||
[self _setCursor: CursorPosition(0,0)];
|
||||
}
|
||||
|
||||
-(void)tab
|
||||
{
|
||||
// TODO -- does this insert spaces?
|
||||
|
||||
// move right 1 (or more) positions.
|
||||
// stops (1-based): 9, 17, 25, 33, 41, 49, 57, 65, 73,
|
||||
// if x >= 73, move right 1. If x == _width
|
||||
|
||||
int x = _cursor.x;
|
||||
|
||||
if (x == _width -1) return;
|
||||
|
||||
//x += 1;
|
||||
// doesn't handle end case...
|
||||
x = (x + 8) & ~0x07;
|
||||
|
||||
[self _setCursor: CursorPosition(x, _cursor.y)];
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
|
||||
|
||||
@implementation VT52View (Private)
|
||||
|
||||
|
||||
-(void)invalidate
|
||||
{
|
||||
// caller must lock prior to calling.
|
||||
// resets the _updates list.
|
||||
|
||||
std::vector<struct CursorPosition>::iterator iter;
|
||||
|
||||
int minX = _width - 1;
|
||||
int maxX = 0;
|
||||
int minY = _height - 1;
|
||||
int maxY = 0;
|
||||
|
||||
if (_updates.empty()) return;
|
||||
|
||||
|
||||
for (iter = _updates.begin(); iter != _updates.end(); ++iter)
|
||||
{
|
||||
minX = std::min(minX, iter->x);
|
||||
maxX = std::max(maxX, iter->x);
|
||||
minY = std::min(minY, iter->y);
|
||||
maxY = std::max(maxY, iter->y);
|
||||
}
|
||||
|
||||
// TODO -- character height/width sizes.
|
||||
|
||||
|
||||
|
||||
[self setNeedsDisplayInRect: NSMakeRect(minX * _charWidth, minY * _charHeight, (maxX - minX + 1) * _charWidth, (maxY - minY + 1) * _charHeight)];
|
||||
|
||||
|
||||
_updates.clear();
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
// state machine.
|
||||
-(void)processCharacter: (uint8_t)c
|
||||
{
|
||||
|
||||
switch (_state)
|
||||
{
|
||||
case StateText:
|
||||
{
|
||||
switch (c)
|
||||
{
|
||||
case 0x00:
|
||||
case 0x7f:
|
||||
// padding;
|
||||
break;
|
||||
|
||||
case 0x1b:
|
||||
_state = StateEscape;
|
||||
break;
|
||||
|
||||
case 0x07:
|
||||
// bell...
|
||||
NSBeep();
|
||||
break;
|
||||
|
||||
case 0x08:
|
||||
[self cursorLeft];
|
||||
// backspace
|
||||
break;
|
||||
|
||||
case 0x09:
|
||||
// tab
|
||||
[self tab];
|
||||
break;
|
||||
|
||||
case 0x0a:
|
||||
case 0x0b:
|
||||
case 0x0c:
|
||||
// lf
|
||||
[self lineFeed];
|
||||
break;
|
||||
|
||||
case 0x0d:
|
||||
// cr
|
||||
[self carriageReturn];
|
||||
break;
|
||||
|
||||
case 0x0e:
|
||||
case 0x0f:
|
||||
// g0/g1 char set
|
||||
break;
|
||||
|
||||
default:
|
||||
if (c >= 0x20 && c <= 0x7f)
|
||||
[self appendChar: c];
|
||||
break;
|
||||
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case StateEscape:
|
||||
{
|
||||
switch (c)
|
||||
{
|
||||
case 0x00:
|
||||
case 0x7f:
|
||||
break;
|
||||
case 0x1b:
|
||||
// on vt52 is ignored, on vt50 cancels escape sequence.
|
||||
if (_vt50) _state = StateText;
|
||||
break;
|
||||
|
||||
|
||||
case 'A':
|
||||
_state = StateText;
|
||||
[self cursorUp];
|
||||
break;
|
||||
case 'B':
|
||||
_state = StateText;
|
||||
[self cursorDown];
|
||||
break;
|
||||
case 'C':
|
||||
_state = StateText;
|
||||
[self cursorRight];
|
||||
break;
|
||||
case 'D':
|
||||
_state = StateText;
|
||||
[self cursorLeft];
|
||||
break;
|
||||
|
||||
case 'I':
|
||||
_state = StateText;
|
||||
if (!_vt50)
|
||||
[self reverseLineFeed];
|
||||
break;
|
||||
|
||||
case 'H':
|
||||
_state = StateText;
|
||||
[self _setCursor: CursorPosition(0,0)];
|
||||
break;
|
||||
|
||||
case 'J':
|
||||
_state = StateText;
|
||||
[self eraseScreen];
|
||||
break;
|
||||
|
||||
case 'K':
|
||||
_state = StateText;
|
||||
[self eraseLine];
|
||||
break;
|
||||
|
||||
case 'Y':
|
||||
_state = StateEscapeY1;
|
||||
break;
|
||||
|
||||
|
||||
case '=':
|
||||
_state = StateText;
|
||||
_altKeyPad = YES;
|
||||
break;
|
||||
|
||||
case '>':
|
||||
_state = StateText;
|
||||
_altKeyPad = NO;
|
||||
break;
|
||||
|
||||
case 'Z':
|
||||
//identity
|
||||
_state = StateText;
|
||||
|
||||
write(_fd, _vt50 ? ESC "/A" : ESC "/K", 3);
|
||||
break;
|
||||
|
||||
case '1':
|
||||
case '2':
|
||||
// alt graphic modes (unsupported)
|
||||
_state = StateText;
|
||||
break;
|
||||
|
||||
case 'F':
|
||||
case 'G':
|
||||
_state = StateText;
|
||||
// graphic/ascii char set (unsupported)
|
||||
break;
|
||||
|
||||
/*
|
||||
case '<':
|
||||
//ANSI mode (vt100)
|
||||
_state = StateText;
|
||||
break;
|
||||
*/
|
||||
|
||||
|
||||
default:
|
||||
_state = StateText;
|
||||
std::fprintf(stderr, "Unrecognized escape character: %c\n", c);
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* ESC Y line# column#
|
||||
* line# 040--067
|
||||
*
|
||||
* vt50H moved to bottom line if out of bounds.
|
||||
* vt52 does not adjust if out of bounds.
|
||||
*
|
||||
* column# 040--0157
|
||||
* if out of bounds, moves to the rightmost column.
|
||||
*/
|
||||
|
||||
case StateEscapeY1:
|
||||
{
|
||||
_state = StateEscapeY2;
|
||||
if (c >= 0x20) c -= 0x20;
|
||||
else c = -1;
|
||||
|
||||
_yTemp[0] = c;
|
||||
break;
|
||||
}
|
||||
case StateEscapeY2:
|
||||
{
|
||||
CursorPosition cp = _cursor;
|
||||
|
||||
_state = StateText;
|
||||
|
||||
if (c >= 0x20) c -= 0x20;
|
||||
else c = -1;
|
||||
|
||||
_yTemp[1] = c;
|
||||
|
||||
// vt52 style.
|
||||
if (_yTemp[0] < _height) cp.y = _yTemp[0];
|
||||
if (_yTemp[1] < _width) cp.x = _yTemp[1];
|
||||
|
||||
[self _setCursor: cp];
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
-(void)appendChar: (uint8_t)c
|
||||
{
|
||||
CharInfo ci = { c, 0 };
|
||||
int x = _cursor.x;
|
||||
int y = _cursor.y;
|
||||
|
||||
if (y == _width) return; // eol.
|
||||
|
||||
_screen[y][x] = ci;
|
||||
|
||||
_updates.push_back(_cursor);
|
||||
|
||||
[self _setCursor: CursorPosition(x + 1, y)];
|
||||
}
|
||||
|
||||
-(void)eraseLine
|
||||
{
|
||||
|
||||
CharInfo clear = {0, 0};
|
||||
|
||||
for (unsigned x = _cursor.x; x < _width; ++x)
|
||||
{
|
||||
_screen[_cursor.y][x] = clear;
|
||||
}
|
||||
// everything in between will be redrawn...
|
||||
_updates.push_back(_cursor);
|
||||
_updates.push_back(CursorPosition(_width - 1, _cursor.y));
|
||||
}
|
||||
|
||||
-(void)eraseScreen
|
||||
{
|
||||
CharInfo clear = {0, 0};
|
||||
|
||||
// erase line and all lines below.
|
||||
[self eraseLine];
|
||||
|
||||
for (unsigned y = _cursor.y + 1; y < _height; ++y)
|
||||
{
|
||||
for (unsigned x = 0; x < _width; ++x)
|
||||
{
|
||||
_screen[y][x] = clear;
|
||||
}
|
||||
}
|
||||
|
||||
_updates.push_back(CursorPosition(0, _cursor.y + 1));
|
||||
_updates.push_back(CursorPosition(_width - 1, _height - 1));
|
||||
|
||||
}
|
||||
|
||||
@end
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
/*
|
||||
* iGeometry.h
|
||||
* 2Term
|
||||
*
|
||||
* Created by Kelvin Sherlock on 7/7/2010.
|
||||
* Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __IGEOMETRY_H__
|
||||
#define __IGEOMETRY_H__
|
||||
|
||||
|
||||
typedef struct iPoint {
|
||||
|
||||
int x;
|
||||
int y;
|
||||
|
||||
#ifdef __cplusplus
|
||||
iPoint() : x(0), y(0) {}
|
||||
iPoint(const iPoint &aPoint) : x(aPoint.x), y(aPoint.y) {}
|
||||
iPoint(int xx, int yy) : x(xx), y(yy) {}
|
||||
#endif
|
||||
|
||||
} iPoint;
|
||||
|
||||
|
||||
typedef struct iSize {
|
||||
|
||||
int width;
|
||||
int height;
|
||||
|
||||
#ifdef __cplusplus
|
||||
iSize() : width(0), height(0) {}
|
||||
iSize(const iSize &aSize) : width(aSize.width), height(aSize.width) {}
|
||||
iSize(int w, int h) : width(w), height(h) {}
|
||||
#endif
|
||||
|
||||
} iSize;
|
||||
|
||||
|
||||
typedef struct iRect {
|
||||
iPoint origin;
|
||||
iSize size;
|
||||
|
||||
#ifdef __cplusplus
|
||||
iRect() {}
|
||||
iRect(const iRect &aRect) : origin(aRect.origin), size(aRect.size) {}
|
||||
iRect(const iPoint &aPoint, const iSize &aSize) : origin(aPoint), size(aSize) {}
|
||||
#endif
|
||||
|
||||
} iRect;
|
||||
|
||||
#endif;
|
||||
Loading…
Reference in New Issue