forked from gnachman/iTerm2
/
PTYSession.m
4341 lines (3848 loc) · 141 KB
/
PTYSession.m
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/*
** PTYSession.m
**
** Copyright (c) 2002, 2003
**
** Author: Fabian, Ujwal S. Setlur
**
** Project: iTerm
**
** Description: Implements the model class for a terminal session.
**
** This program 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 2 of the License, or
** (at your option) any later version.
**
** This program 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 should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#import "iTerm.h"
#import "PTYSession.h"
#import "PTYTask.h"
#import "PTYTextView.h"
#import "PTYScrollView.h"
#import "VT100Screen.h"
#import "VT100Terminal.h"
#import "PreferencePanel.h"
#import "WindowControllerInterface.h"
#import "iTermController.h"
#import "PseudoTerminal.h"
#import "FakeWindow.h"
#import "NSStringITerm.h"
#import "iTermKeyBindingMgr.h"
#import "ITAddressBookMgr.h"
#import "iTermGrowlDelegate.h"
#import "iTermApplicationDelegate.h"
#import "SessionView.h"
#import "PTYTab.h"
#import "ProcessCache.h"
#import "MovePaneController.h"
#import "Trigger.h"
#import "Coprocess.h"
#import "TmuxGateway.h"
#import "TmuxController.h"
#import "TmuxLayoutParser.h"
#import "MovePaneController.h"
#import "TmuxStateParser.h"
#import "PasteContext.h"
#import "PasteEvent.h"
#import "PasteViewController.h"
#import "TmuxWindowOpener.h"
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>
#include <sys/time.h>
#define DEBUG_ALLOC 0
#define DEBUG_METHOD_TRACE 0
#define DEBUG_KEYDOWNDUMP 0
#define ASK_ABOUT_OUTDATED_FORMAT @"AskAboutOutdatedKeyMappingForGuid%@"
@implementation PTYSession
static NSString *TERM_ENVNAME = @"TERM";
static NSString *COLORFGBG_ENVNAME = @"COLORFGBG";
static NSString *PWD_ENVNAME = @"PWD";
static NSString *PWD_ENVVALUE = @"~";
// Constants for saved window arrangement keys.
static NSString* SESSION_ARRANGEMENT_COLUMNS = @"Columns";
static NSString* SESSION_ARRANGEMENT_ROWS = @"Rows";
static NSString* SESSION_ARRANGEMENT_BOOKMARK = @"Bookmark";
static NSString* SESSION_ARRANGEMENT_WORKING_DIRECTORY = @"Working Directory";
static NSString* SESSION_ARRANGEMENT_TMUX_PANE = @"Tmux Pane";
static NSString* SESSION_ARRANGEMENT_TMUX_HISTORY = @"Tmux History";
static NSString* SESSION_ARRANGEMENT_TMUX_ALT_HISTORY = @"Tmux AltHistory";
static NSString* SESSION_ARRANGEMENT_TMUX_STATE = @"Tmux State";
static NSString *kTmuxFontChanged = @"kTmuxFontChanged";
// init/dealloc
- (id)init
{
if ((self = [super init]) == nil) {
return (nil);
}
// The new session won't have the move-pane overlay, so just exit move pane
// mode.
[[MovePaneController sharedInstance] exitMovePaneMode];
triggerLine_ = [[NSMutableString alloc] init];
isDivorced = NO;
gettimeofday(&lastInput, NULL);
lastOutput = lastInput;
lastUpdate = lastInput;
EXIT=NO;
savedScrollPosition_ = -1;
updateTimer = nil;
antiIdleTimer = nil;
addressBookEntry = nil;
windowTitleStack = nil;
iconTitleStack = nil;
eventQueue_ = [[NSMutableArray alloc] init];
#if DEBUG_ALLOC
NSLog(@"%s: 0x%x", __PRETTY_FUNCTION__, self);
#endif
// Allocate screen, shell, and terminal objects
SHELL = [[PTYTask alloc] init];
TERMINAL = [[VT100Terminal alloc] init];
SCREEN = [[VT100Screen alloc] init];
NSParameterAssert(SHELL != nil && TERMINAL != nil && SCREEN != nil);
// Need Growl plist stuff
gd = [iTermGrowlDelegate sharedInstance];
growlIdle = growlNewOutput = NO;
slowPasteBuffer = [[NSMutableString alloc] init];
creationDate_ = [[NSDate date] retain];
tmuxSecureLogging_ = NO;
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(windowResized)
name:@"iTermWindowDidResize"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(coprocessChanged)
name:@"kCoprocessStatusChangeNotification"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(sessionContentsChanged:)
name:@"iTermTabContentsChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(synchronizeTmuxFonts:)
name:kTmuxFontChanged
object:nil];
return self;
}
- (void)dealloc
{
[self stopTailFind]; // This frees the substring in the tail find context, if needed.
[triggerLine_ release];
[triggers_ release];
[pasteboard_ release];
[pbtext_ release];
[slowPasteBuffer release];
if (slowPasteTimer) {
[slowPasteTimer invalidate];
}
[updateDisplayUntil_ release];
[creationDate_ release];
[lastActiveAt_ release];
[bookmarkName release];
[TERM_VALUE release];
[COLORFGBG_VALUE release];
[name release];
[windowTitle release];
[windowTitleStack release];
[iconTitleStack release];
[addressBookEntry release];
[eventQueue_ release];
[backgroundImagePath release];
[antiIdleTimer invalidate];
[antiIdleTimer release];
[updateTimer invalidate];
[updateTimer release];
[originalAddressBookEntry release];
[liveSession_ release];
[tmuxGateway_ release];
[tmuxController_ release];
[sendModifiers_ release];
[pasteViewController_ release];
[pasteContext_ release];
[SHELL release];
SHELL = nil;
[SCREEN release];
SCREEN = nil;
[TERMINAL release];
TERMINAL = nil;
[[NSNotificationCenter defaultCenter] removeObserver:self];
if (dvrDecoder_) {
[dvr_ releaseDecoder:dvrDecoder_];
[dvr_ release];
}
[super dealloc];
#if DEBUG_ALLOC
NSLog(@"%s: 0x%x, done", __PRETTY_FUNCTION__, self);
#endif
}
- (void)cancelTimers
{
[view cancelTimers];
[updateTimer invalidate];
[antiIdleTimer invalidate];
}
- (void)setDvr:(DVR*)dvr liveSession:(PTYSession*)liveSession
{
assert(liveSession != self);
liveSession_ = liveSession;
[liveSession_ retain];
[SCREEN disableDvr];
dvr_ = dvr;
[dvr_ retain];
dvrDecoder_ = [dvr getDecoder];
long long t = [dvr_ lastTimeStamp];
if (t) {
[dvrDecoder_ seek:t];
[self setDvrFrame];
}
}
- (void)irAdvance:(int)dir
{
if (!dvr_) {
if (dir < 0) {
[[[self tab] realParentWindow] replaySession:self];
PTYSession* irSession = [[[self tab] realParentWindow] currentSession];
if (irSession != self) {
// Failed to enter replay mode (perhaps nothing to replay?)
[irSession irAdvance:dir];
}
return;
} else {
NSBeep();
return;
}
}
if (dir > 0) {
if (![dvrDecoder_ next] || [dvrDecoder_ timestamp] == [dvr_ lastTimeStamp]) {
// Switch to the live view
[[[self tab] realParentWindow] showLiveSession:liveSession_ inPlaceOf:self];
return;
}
} else {
if (![dvrDecoder_ prev]) {
NSBeep();
}
}
[self setDvrFrame];
}
- (long long)irSeekToAtLeast:(long long)timestamp
{
assert(dvr_);
if (![dvrDecoder_ seek:timestamp]) {
[dvrDecoder_ seek:[dvr_ firstTimeStamp]];
}
[self setDvrFrame];
return [dvrDecoder_ timestamp];
}
- (DVR*)dvr
{
return dvr_;
}
- (DVRDecoder*)dvrDecoder
{
return dvrDecoder_;
}
- (PTYSession*)liveSession
{
return liveSession_;
}
- (void)coprocessChanged
{
[TEXTVIEW setNeedsDisplay:YES];
}
- (void)windowResized
{
// When the window is resized the title is temporarily changed and it's our
// timer that resets it.
if (!EXIT) {
[self scheduleUpdateIn:kBackgroundSessionIntervalSec];
}
}
+ (void)drawArrangementPreview:(NSDictionary *)arrangement frame:(NSRect)frame
{
Profile* theBookmark = [[ProfileModel sharedInstance] bookmarkWithGuid:[[arrangement objectForKey:SESSION_ARRANGEMENT_BOOKMARK] objectForKey:KEY_GUID]];
if (!theBookmark) {
theBookmark = [arrangement objectForKey:SESSION_ARRANGEMENT_BOOKMARK];
}
// [self setForegroundColor:[ITAddressBookMgr decodeColor:[aDict objectForKey:KEY_FOREGROUND_COLOR]]];
[[ITAddressBookMgr decodeColor:[theBookmark objectForKey:KEY_BACKGROUND_COLOR]] set];
NSRectFill(frame);
}
- (void)setSizeFromArrangement:(NSDictionary*)arrangement
{
[self setWidth:[[arrangement objectForKey:SESSION_ARRANGEMENT_COLUMNS] intValue]
height:[[arrangement objectForKey:SESSION_ARRANGEMENT_ROWS] intValue]];
}
+ (PTYSession*)sessionFromArrangement:(NSDictionary*)arrangement
inView:(SessionView*)sessionView
inTab:(PTYTab*)theTab
forObjectType:(iTermObjectType)objectType
{
PTYSession* aSession = [[[PTYSession alloc] init] autorelease];
aSession->view = sessionView;
[[sessionView findViewController] setDelegate:aSession];
Profile* theBookmark = [[ProfileModel sharedInstance] bookmarkWithGuid:[[arrangement objectForKey:SESSION_ARRANGEMENT_BOOKMARK] objectForKey:KEY_GUID]];
BOOL needDivorce = NO;
if (!theBookmark) {
theBookmark = [arrangement objectForKey:SESSION_ARRANGEMENT_BOOKMARK];
needDivorce = YES;
}
[[aSession SCREEN] setUnlimitedScrollback:[[theBookmark objectForKey:KEY_UNLIMITED_SCROLLBACK] boolValue]];
[[aSession SCREEN] setScrollback:[[theBookmark objectForKey:KEY_SCROLLBACK_LINES] intValue]];
// set our preferences
[aSession setAddressBookEntry:theBookmark];
[aSession setScreenSize:[sessionView frame] parent:[theTab realParentWindow]];
NSDictionary *state = [arrangement objectForKey:SESSION_ARRANGEMENT_TMUX_STATE];
if (state) {
// For tmux tabs, get the size from the arrangement instead of the containing view because it helps things to line up correctly.
[aSession setSizeFromArrangement:arrangement];
}
[aSession setPreferencesFromAddressBookEntry:theBookmark];
[[aSession SCREEN] setDisplay:[aSession TEXTVIEW]];
[aSession setName:[theBookmark objectForKey:KEY_NAME]];
[aSession setBookmarkName:[theBookmark objectForKey:KEY_NAME]];
if ([[[[theTab realParentWindow] window] title] compare:@"Window"] == NSOrderedSame) {
[[theTab realParentWindow] setWindowTitle];
}
[aSession setTab:theTab];
NSNumber *n = [arrangement objectForKey:SESSION_ARRANGEMENT_TMUX_PANE];
if (!n) {
[aSession runCommandWithOldCwd:[arrangement objectForKey:SESSION_ARRANGEMENT_WORKING_DIRECTORY]
forObjectType:objectType];
} else {
NSString *title = [state objectForKey:@"title"];
if (title) {
[aSession setName:title];
[aSession setWindowTitle:title];
}
}
if (needDivorce) {
[aSession divorceAddressBookEntryFromPreferences];
}
if (n) {
[aSession setTmuxPane:[n intValue]];
}
NSArray *history = [arrangement objectForKey:SESSION_ARRANGEMENT_TMUX_HISTORY];
if (history) {
[[aSession SCREEN] setHistory:history];
}
history = [arrangement objectForKey:SESSION_ARRANGEMENT_TMUX_ALT_HISTORY];
if (history) {
[[aSession SCREEN] setAltScreen:history];
}
if (state) {
[[aSession SCREEN] setTmuxState:state];
NSData *pendingOutput = [state objectForKey:kTmuxWindowOpenerStatePendingOutput];
if (pendingOutput && [pendingOutput length]) {
[[aSession TERMINAL] putStreamData:pendingOutput];
}
[[aSession TERMINAL] setInsertMode:[[state objectForKey:kStateDictInsertMode] boolValue]];
[[aSession TERMINAL] setCursorMode:[[state objectForKey:kStateDictKCursorMode] boolValue]];
[[aSession TERMINAL] setKeypadMode:[[state objectForKey:kStateDictKKeypadMode] boolValue]];
if ([[state objectForKey:kStateDictMouseStandardMode] boolValue]) {
[[aSession TERMINAL] setMouseMode:MOUSE_REPORTING_NORMAL];
} else if ([[state objectForKey:kStateDictMouseButtonMode] boolValue]) {
[[aSession TERMINAL] setMouseMode:MOUSE_REPORTING_BUTTON_MOTION];
} else if ([[state objectForKey:kStateDictMouseAnyMode] boolValue]) {
[[aSession TERMINAL] setMouseMode:MOUSE_REPORTING_ALL_MOTION];
} else {
[[aSession TERMINAL] setMouseMode:MOUSE_REPORTING_NONE];
}
[[aSession TERMINAL] setMouseFormat:[[state objectForKey:kStateDictMouseUTF8Mode] boolValue] ? MOUSE_FORMAT_XTERM_EXT : MOUSE_FORMAT_XTERM];
}
return aSession;
}
// Session specific methods
- (BOOL)setScreenSize:(NSRect)aRect parent:(id<WindowControllerInterface>)parent
{
#if DEBUG_METHOD_TRACE
NSLog(@"%s(%d):-[PTYSession setScreenSize:parent:]", __FILE__, __LINE__);
#endif
[SCREEN setSession:self];
// Allocate a container to hold the scrollview
if (!view) {
view = [[[SessionView alloc] initWithFrame:NSMakeRect(0, 0, aRect.size.width, aRect.size.height)
session:self] autorelease];
[[view findViewController] setDelegate:self];
}
// Allocate a scrollview
SCROLLVIEW = [[PTYScrollView alloc] initWithFrame:NSMakeRect(0, 0, aRect.size.width, aRect.size.height)
hasVerticalScroller:(![parent anyFullScreen] &&
![[PreferencePanel sharedInstance] hideScrollbar])];
NSParameterAssert(SCROLLVIEW != nil);
[SCROLLVIEW setAutoresizingMask: NSViewWidthSizable|NSViewHeightSizable];
// assign the main view
[view addSubview:SCROLLVIEW];
if (![self isTmuxClient]) {
[view setAutoresizesSubviews:YES];
}
// TODO(georgen): I disabled setCopiesOnScroll because there is a vertical margin in the PTYTextView and
// we would not want that copied. This is obviously bad for performance when scrolling, but it's unclear
// whether the difference will ever be noticable. I believe it could be worked around (painfully) by
// subclassing NSClipView and overriding viewBoundsChanged: and viewFrameChanged: so that it coipes on
// scroll but it doesn't include the vertical marigns when doing so.
// The vertical margins are indespensable because different PTYTextViews may use different fonts/font
// sizes, but the window size does not change as you move from tab to tab. If the margin is outside the
// NSScrollView's contentView it looks funny.
[[SCROLLVIEW contentView] setCopiesOnScroll:NO];
// Allocate a text view
NSSize aSize = [SCROLLVIEW contentSize];
WRAPPER = [[TextViewWrapper alloc] initWithFrame:NSMakeRect(0, 0, aSize.width, aSize.height)];
[WRAPPER setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
TEXTVIEW = [[PTYTextView alloc] initWithFrame: NSMakeRect(0, VMARGIN, aSize.width, aSize.height)];
[TEXTVIEW setDimOnlyText:[[PreferencePanel sharedInstance] dimOnlyText]];
[TEXTVIEW setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
[TEXTVIEW setFont:[ITAddressBookMgr fontWithDesc:[addressBookEntry objectForKey:KEY_NORMAL_FONT]]
nafont:[ITAddressBookMgr fontWithDesc:[addressBookEntry objectForKey:KEY_NON_ASCII_FONT]]
horizontalSpacing:[[addressBookEntry objectForKey:KEY_HORIZONTAL_SPACING] floatValue]
verticalSpacing:[[addressBookEntry objectForKey:KEY_VERTICAL_SPACING] floatValue]];
[self setTransparency:[[addressBookEntry objectForKey:KEY_TRANSPARENCY] floatValue]];
const float theBlend = [addressBookEntry objectForKey:KEY_BLEND] ?
[[addressBookEntry objectForKey:KEY_BLEND] floatValue] : 0.5;
[self setBlend:theBlend];
[WRAPPER addSubview:TEXTVIEW];
[TEXTVIEW setFrame:NSMakeRect(0, VMARGIN, aSize.width, aSize.height - VMARGIN)];
[TEXTVIEW release];
// assign terminal and task objects
[SCREEN setShellTask:SHELL];
[SCREEN setTerminal:TERMINAL];
[TERMINAL setScreen: SCREEN];
[SHELL setDelegate:self];
// initialize the screen
int width = (aSize.width - MARGIN*2) / [TEXTVIEW charWidth];
int height = (aSize.height - VMARGIN*2) / [TEXTVIEW lineHeight];
if ([SCREEN initScreenWithWidth:width Height:height]) {
[self setName:@"Shell"];
[self setDefaultName:@"Shell"];
[TEXTVIEW setDataSource:SCREEN];
[TEXTVIEW setDelegate:self];
[SCROLLVIEW setDocumentView:WRAPPER];
[WRAPPER release];
[SCROLLVIEW setDocumentCursor:[PTYTextView textViewCursor]];
[SCROLLVIEW setLineScroll:[TEXTVIEW lineHeight]];
[SCROLLVIEW setPageScroll:2*[TEXTVIEW lineHeight]];
[SCROLLVIEW setHasVerticalScroller:(![parent anyFullScreen] &&
![[PreferencePanel sharedInstance] hideScrollbar])];
ai_code=0;
[antiIdleTimer release];
antiIdleTimer = nil;
newOutput = NO;
return YES;
} else {
[SCREEN release];
SCREEN = nil;
[TEXTVIEW release];
NSRunCriticalAlertPanel(NSLocalizedStringFromTableInBundle(@"Out of memory",@"iTerm", [NSBundle bundleForClass:[self class]], @"Error"),
NSLocalizedStringFromTableInBundle(@"New sesssion cannot be created. Try smaller buffer sizes.",@"iTerm", [NSBundle bundleForClass:[self class]], @"Error"),
NSLocalizedStringFromTableInBundle(@"OK",@"iTerm", [NSBundle bundleForClass:[self class]], @"OK"),
nil, nil);
return NO;
}
}
- (void)runCommandWithOldCwd:(NSString*)oldCWD
forObjectType:(iTermObjectType)objectType
{
NSMutableString *cmd;
NSArray *arg;
NSString *pwd;
BOOL isUTF8;
// Grab the addressbook command
Profile* addressbookEntry = [self addressBookEntry];
BOOL loginSession;
cmd = [[[NSMutableString alloc] initWithString:[ITAddressBookMgr bookmarkCommand:addressbookEntry
isLoginSession:&loginSession
forObjectType:objectType]] autorelease];
NSMutableString* theName = [[[NSMutableString alloc] initWithString:[addressbookEntry objectForKey:KEY_NAME]] autorelease];
// Get session parameters
[[[self tab] realParentWindow] getSessionParameters:cmd withName:theName];
[cmd breakDownCommandToPath:&cmd cmdArgs:&arg];
pwd = [ITAddressBookMgr bookmarkWorkingDirectory:addressbookEntry
forObjectType:objectType];
if ([pwd length] == 0) {
if (oldCWD) {
pwd = oldCWD;
} else {
pwd = NSHomeDirectory();
}
}
NSDictionary *env = [NSDictionary dictionaryWithObject:pwd forKey:@"PWD"];
isUTF8 = ([[addressbookEntry objectForKey:KEY_CHARACTER_ENCODING] unsignedIntValue] == NSUTF8StringEncoding);
[[[self tab] realParentWindow] setName:theName forSession:self];
// Start the command
[self startProgram:cmd arguments:arg environment:env isUTF8:isUTF8 asLoginSession:loginSession];
}
- (void)setWidth:(int)width height:(int)height
{
[SCREEN resizeWidth:width height:height];
[SHELL setWidth:width height:height];
[TEXTVIEW clearHighlights];
[[tab_ realParentWindow] futureInvalidateRestorableState];
}
- (void)setSplitSelectionMode:(SplitSelectionMode)mode
{
[[self view] setSplitSelectionMode:mode];
}
- (int)overUnder:(int)proposedSize inVerticalDimension:(BOOL)vertically
{
int x = proposedSize;
if (vertically) {
if ([view showTitle]) {
// x = 50/53
x -= [SessionView titleHeight];
}
// x = 28/31
x -= VMARGIN * 2;
// x = 18/21
// iLineHeight = 10
int iLineHeight = [TEXTVIEW lineHeight];
x %= iLineHeight;
// x = 8/1
if (x > iLineHeight / 2) {
x -= iLineHeight;
}
// x = -2/1
return x;
} else {
x -= MARGIN * 2;
int iCharWidth = [TEXTVIEW charWidth];
x %= iCharWidth;
if (x > iCharWidth / 2) {
x -= iCharWidth;
}
}
return x;
}
- (NSArray *)childJobNames
{
int skip = 0;
pid_t thePid = [SHELL pid];
if ([[[ProcessCache sharedInstance] getNameOfPid:thePid isForeground:nil] isEqualToString:@"login"]) {
skip = 1;
}
NSMutableArray *names = [NSMutableArray array];
for (NSNumber *n in [[ProcessCache sharedInstance] childrenOfPid:thePid levelsToSkip:skip]) {
pid_t pid = [n intValue];
NSDictionary *info = [[ProcessCache sharedInstance] dictionaryOfTaskInfoForPid:pid];
[names addObject:[info objectForKey:PID_INFO_NAME]];
}
return names;
}
- (BOOL)promptOnClose
{
if (EXIT) {
return NO;
}
switch ([[addressBookEntry objectForKey:KEY_PROMPT_CLOSE] intValue]) {
case PROMPT_ALWAYS:
return YES;
case PROMPT_NEVER:
return NO;
case PROMPT_EX_JOBS: {
NSArray *jobsThatDontRequirePrompting = [addressBookEntry objectForKey:KEY_JOBS];
for (NSString *childName in [self childJobNames]) {
if ([jobsThatDontRequirePrompting indexOfObject:childName] == NSNotFound) {
// This job is not in the ignore list.
return YES;
}
}
// All jobs were in the ignore list.
return NO;
}
}
return YES;
}
- (void)setNewOutput:(BOOL)value
{
newOutput = value;
}
- (BOOL)newOutput
{
return newOutput;
}
// This command installs the xterm-256color terminfo in the user's terminfo directory:
// tic -e xterm-256color $FILENAME
- (void)_maybeAskAboutInstallXtermTerminfo
{
NSString* NEVER_WARN = @"NeverWarnAboutXterm256ColorTerminfo";
if ([[NSUserDefaults standardUserDefaults] objectForKey:NEVER_WARN]) {
return;
}
NSString* filename = [[NSBundle bundleForClass:[self class]] pathForResource:@"xterm-terminfo" ofType:@"txt"];
if (!filename) {
return;
}
NSString* cmd = [NSString stringWithFormat:@"tic -e xterm-256color %@", [filename stringWithEscapedShellCharacters]];
if (system("infocmp xterm-256color > /dev/null")) {
switch (NSRunAlertPanel(@"Warning",
@"The terminfo file for the terminal type you're using, \"xterm-256color\", is not installed on your system. Would you like to install it now?",
@"Install",
@"Never ask me again",
@"Not Now",
nil)) {
case NSAlertDefaultReturn:
if (system([cmd UTF8String])) {
NSRunAlertPanel(@"Error",
[NSString stringWithFormat:@"Sorry, an error occurred while running: %@", cmd],
@"Ok", nil, nil);
}
break;
case NSAlertAlternateReturn:
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithBool:YES] forKey:NEVER_WARN];
break;
}
}
}
- (NSString *)_autoLogFilenameForTermId:(NSString *)termid
{
// $(LOGDIR)/YYYYMMDD_HHMMSS.$(NAME).wNtNpN.$(PID).$(RANDOM).log
return [NSString stringWithFormat:@"%@/%@.%@.%@.%d.%0x.log",
[addressBookEntry objectForKey:KEY_LOGDIR],
[[NSDate date] descriptionWithCalendarFormat:@"%Y%m%d_%H%M%S"
timeZone:nil
locale:nil],
[addressBookEntry objectForKey:KEY_NAME],
termid,
(int)getpid(),
(int)arc4random()];
}
- (BOOL)shouldSetCtype {
return ![[NSUserDefaults standardUserDefaults] boolForKey:@"DoNotSetCtype"];
}
- (void)startProgram:(NSString *)program
arguments:(NSArray *)prog_argv
environment:(NSDictionary *)prog_env
isUTF8:(BOOL)isUTF8
asLoginSession:(BOOL)asLoginSession
{
NSString *path = program;
NSMutableArray *argv = [NSMutableArray arrayWithArray:prog_argv];
NSMutableDictionary *env = [NSMutableDictionary dictionaryWithDictionary:prog_env];
#if DEBUG_METHOD_TRACE
NSLog(@"%s(%d):-[PTYSession startProgram:%@ arguments:%@ environment:%@]",
__FILE__, __LINE__, program, prog_argv, prog_env );
#endif
if ([env objectForKey:TERM_ENVNAME] == nil)
[env setObject:TERM_VALUE forKey:TERM_ENVNAME];
if ([[env objectForKey:TERM_ENVNAME] isEqualToString:@"xterm-256color"]) {
[self _maybeAskAboutInstallXtermTerminfo];
}
if ([env objectForKey:COLORFGBG_ENVNAME] == nil && COLORFGBG_VALUE != nil)
[env setObject:COLORFGBG_VALUE forKey:COLORFGBG_ENVNAME];
DLog(@"Begin locale logic");
if (![addressBookEntry objectForKey:KEY_SET_LOCALE_VARS] ||
[[addressBookEntry objectForKey:KEY_SET_LOCALE_VARS] boolValue]) {
DLog(@"Setting locale vars...");
NSString* lang = [self _lang];
if (lang) {
DLog(@"set LANG=%@", lang);
[env setObject:lang forKey:@"LANG"];
} else if ([self shouldSetCtype]){
DLog(@"should set ctype...");
// Try just the encoding by itself, which might work.
NSString *encName = [self encodingName];
DLog(@"See if encoding %@ is supported...", encName);
if (encName && [self _localeIsSupported:encName]) {
DLog(@"Set LC_CTYPE=%@", encName);
[env setObject:encName forKey:@"LC_CTYPE"];
}
}
}
if ([env objectForKey:PWD_ENVNAME] == nil) {
[env setObject:[PWD_ENVVALUE stringByExpandingTildeInPath] forKey:PWD_ENVNAME];
}
PseudoTerminal *pty = [tab_ realParentWindow];
NSString *itermId = [NSString stringWithFormat:@"w%dt%dp%d",
[pty number],
[tab_ realObjectCount] - 1,
[tab_ indexOfSessionView:[self view]]];
[env setObject:itermId forKey:@"ITERM_SESSION_ID"];
if ([addressBookEntry objectForKey:KEY_NAME]) {
[env setObject:[addressBookEntry objectForKey:KEY_NAME] forKey:@"ITERM_PROFILE"];
}
if ([[addressBookEntry objectForKey:KEY_AUTOLOG] boolValue]) {
[SHELL loggingStartWithPath:[self _autoLogFilenameForTermId:itermId]];
}
[SHELL launchWithPath:path
arguments:argv
environment:env
width:[SCREEN width]
height:[SCREEN height]
isUTF8:isUTF8
asLoginSession:asLoginSession];
NSString *initialText = [addressBookEntry objectForKey:KEY_INITIAL_TEXT];
if ([initialText length]) {
[SHELL writeTask:[initialText dataUsingEncoding:[self encoding]]];
[SHELL writeTask:[@"\n" dataUsingEncoding:[self encoding]]];
}
}
- (void)_maybeWarnAboutShortLivedSessions
{
if ([[NSDate date] timeIntervalSinceDate:creationDate_] < 3) {
NSString* theName = [addressBookEntry objectForKey:KEY_NAME];
NSString* theKey = [NSString stringWithFormat:@"NeverWarnAboutShortLivedSessions_%@", [addressBookEntry objectForKey:KEY_GUID]];
if (![[[NSUserDefaults standardUserDefaults] objectForKey:theKey] boolValue]) {
if (NSRunAlertPanel(@"Short-Lived Session Warning",
[NSString stringWithFormat:@"A session ended very soon after starting. Check that the command in profile \"%@\" is correct.", theName],
@"Ok",
@"Don't Warn Again for This Profile",
nil) != NSAlertDefaultReturn) {
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithBool:YES] forKey:theKey];
}
}
}
}
// Terminate a replay session but not the live session
- (void)softTerminate
{
liveSession_ = nil;
[self terminate];
}
- (void)terminate
{
if ([[self TEXTVIEW] isFindingCursor]) {
[[self TEXTVIEW] endFindCursor];
}
if (EXIT) {
[self _maybeWarnAboutShortLivedSessions];
}
if (tmuxMode_ == TMUX_CLIENT) {
assert([tab_ tmuxWindow] >= 0);
[tmuxController_ deregisterWindow:[tab_ tmuxWindow]
windowPane:tmuxPane_];
// This call to fitLayoutToWindows is necessary to handle the case where
// a small window closes and leaves behind a larger (e.g., fullscreen)
// window. We want to set the client size to that of the smallest
// remaining window.
int n = [[tab_ sessions] count];
if ([[tab_ sessions] indexOfObjectIdenticalTo:self] != NSNotFound) {
n--;
}
if (n == 0) {
// The last session in this tab closed so check if the client has
// changed size
[tmuxController_ fitLayoutToWindows];
}
} else if (tmuxMode_ == TMUX_GATEWAY) {
[tmuxController_ detach];
[tmuxGateway_ release];
tmuxGateway_ = nil;
}
tmuxMode_ = TMUX_NONE;
[tmuxController_ release];
tmuxController_ = nil;
// The source pane may have just exited. Dogs and cats living together!
// Mass hysteria!
[[MovePaneController sharedInstance] exitMovePaneMode];
// deregister from the notification center
[[NSNotificationCenter defaultCenter] removeObserver:self];
if (liveSession_) {
[liveSession_ terminate];
}
EXIT = YES;
[SHELL stop];
// final update of display
[self updateDisplay];
[tab_ removeSession:self];
[TEXTVIEW setDataSource:nil];
[TEXTVIEW setDelegate:nil];
[TEXTVIEW removeFromSuperview];
TEXTVIEW = nil;
[SHELL setDelegate:nil];
[SCREEN setShellTask:nil];
[SCREEN setSession:nil];
[SCREEN setTerminal:nil];
[TERMINAL setScreen:nil];
if ([[view findViewController] delegate] == self) {
[[view findViewController] setDelegate:nil];
}
[updateTimer invalidate];
[updateTimer release];
updateTimer = nil;
if (slowPasteTimer) {
[slowPasteTimer invalidate];
slowPasteTimer = nil;
[eventQueue_ removeAllObjects];
}
tab_ = nil;
}
- (void)writeTaskImpl:(NSData *)data
{
static BOOL checkedDebug;
static BOOL debugKeyDown;
if (!checkedDebug) {
debugKeyDown = [[[NSUserDefaults standardUserDefaults] objectForKey:@"DebugKeyDown"] boolValue];
checkedDebug = YES;
}
if (debugKeyDown || gDebugLogging) {
const char *bytes = [data bytes];
for (int i = 0; i < [data length]; i++) {
if (debugKeyDown) {
NSLog(@"writeTask keydown %d: %d (%c)", i, (int) bytes[i], bytes[i]);
}
if (gDebugLogging) {
DebugLog([NSString stringWithFormat:@"writeTask keydown %d: %d (%c)", i, (int) bytes[i], bytes[i]]);
}
}
}
// check if we want to send this input to all the sessions
if (![[[self tab] realParentWindow] broadcastInputToSession:self]) {
// Send to only this session
if (!EXIT) {
[self setBell:NO];
PTYScroller* ptys = (PTYScroller*)[SCROLLVIEW verticalScroller];
[SHELL writeTask:data];
[ptys setUserScroll:NO];
}
} else {
// send to all sessions
[[[self tab] realParentWindow] sendInputToAllSessions:data];
}
}
- (void)writeTaskNoBroadcast:(NSData *)data
{
if (tmuxMode_ == TMUX_CLIENT) {
[[tmuxController_ gateway] sendKeys:data
toWindowPane:tmuxPane_];
return;
}
[self writeTaskImpl:data];
}
- (void)handleKeypressInTmuxGateway:(unichar)unicode
{
if (unicode == 27) {
[self tmuxDetach];
} else if (unicode == 'L') {
tmuxLogging_ = !tmuxLogging_;
[self printTmuxMessage:[NSString stringWithFormat:@"tmux logging %@", (tmuxLogging_ ? @"on" : @"off")]];
} else if (unicode == 'C') {
NSAlert *alert = [NSAlert alertWithMessageText:@"Enter command to send tmux:"
defaultButton:@"Ok"
alternateButton:@"Cancel"
otherButton:nil
informativeTextWithFormat:@""];
NSTextField *tmuxCommand = [[[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 200, 24)] autorelease];
[tmuxCommand setEditable:YES];
[tmuxCommand setSelectable:YES];
[alert setAccessoryView:tmuxCommand];
if ([alert runModal] == NSAlertDefaultReturn && [[tmuxCommand stringValue] length]) {
[self printTmuxMessage:[NSString stringWithFormat:@"Run command \"%@\"", [tmuxCommand stringValue]]];
[tmuxGateway_ sendCommand:[tmuxCommand stringValue]
responseTarget:self
responseSelector:@selector(printTmuxCommandOutputToScreen:)];
}
} else if (unicode == 'X') {
[self printTmuxMessage:@"Exiting tmux mode, but tmux client may still be running."];
[self tmuxHostDisconnected];
}
}
- (void)writeTask:(NSData*)data
{
if (tmuxMode_ == TMUX_CLIENT) {
[self setBell:NO];
if ([[tab_ realParentWindow] broadcastInputToSession:self]) {
[[tab_ realParentWindow] sendInputToAllSessions:data];
} else {
[[tmuxController_ gateway] sendKeys:data
toWindowPane:tmuxPane_];
}
PTYScroller* ptys = (PTYScroller*)[SCROLLVIEW verticalScroller];
[ptys setUserScroll:NO];
return;
} else if (tmuxMode_ == TMUX_GATEWAY) {
// Use keypresses for tmux gateway commands for development and debugging.
NSString *s = [[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] autorelease];
for (int i = 0; i < s.length; i++) {
unichar unicode = [s characterAtIndex:i];
[self handleKeypressInTmuxGateway:unicode];
}
return;
}
[self writeTaskImpl:data];
}
- (void)readTask:(NSData*)data
{
if ([data length] == 0 || EXIT) {
return;
}
if ([SHELL hasMuteCoprocess]) {
return;
}
if (gDebugLogging) {
const char* bytes = [data bytes];
int length = [data length];
DebugLog([NSString stringWithFormat:@"readTask called with %d bytes. The last byte is %d", (int)length, (int)bytes[length-1]]);
}
if (tmuxMode_ == TMUX_GATEWAY) {
if (tmuxLogging_) {
[self printTmuxCommandOutputToScreen:[[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] autorelease]];
}
data = [tmuxGateway_ readTask:data];
if (!data) {
// All data was consumed.
return;
}
}
[TERMINAL putStreamData:data];
VT100TCC token;
// while loop to process all the tokens we can get
while (!EXIT &&
TERMINAL &&
tmuxMode_ != TMUX_GATEWAY &&
((token = [TERMINAL getNextToken]),
token.type != VT100_WAIT &&
token.type != VT100CC_NULL)) {
// process token