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PTYSession.m
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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/iTerm.h>
#import <iTerm/PTYSession.h>
#import <iTerm/PTYTask.h>
#import <iTerm/PTYTextView.h>
#import <iTerm/PTYScrollView.h>
#import <iTerm/VT100Screen.h>
#import <iTerm/VT100Terminal.h>
#import <iTerm/PreferencePanel.h>
#import <WindowControllerInterface.h>
#import <iTerm/iTermController.h>
#import <iTerm/PseudoTerminal.h>
#import <FakeWindow.h>
#import <iTerm/NSStringITerm.h>
#import <iTerm/iTermKeyBindingMgr.h>
#import <iTerm/ITAddressBookMgr.h>
#import <iTerm/iTermGrowlDelegate.h>
#import "iTermApplicationDelegate.h"
#import "SessionView.h"
#import "PTYTab.h"
#import "ProcessCache.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";
// init/dealloc
- (id)init
{
if ((self = [super init]) == nil) {
return (nil);
}
isDivorced = NO;
gettimeofday(&lastInput, NULL);
lastOutput = lastInput;
lastUpdate = lastInput;
EXIT=NO;
savedScrollPosition_ = -1;
updateTimer = nil;
antiIdleTimer = nil;
addressBookEntry=nil;
#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];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(windowResized)
name:@"iTermWindowDidResize"
object:nil];
return self;
}
- (void)dealloc
{
[slowPasteBuffer release];
if (slowPasteTimer) {
[slowPasteTimer invalidate];
}
[updateDisplayUntil_ release];
[creationDate_ release];
[lastActiveAt_ release];
[bookmarkName release];
[TERM_VALUE release];
[COLORFGBG_VALUE release];
[name release];
[windowTitle release];
[addressBookEntry release];
[backgroundImagePath release];
[antiIdleTimer invalidate];
[antiIdleTimer release];
[updateTimer invalidate];
[updateTimer release];
[originalAddressBookEntry release];
[liveSession_ 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)windowResized
{
// When the window is resized the title is temporarily changed and it's our
// timer that resets it.
if (!EXIT) {
[self scheduleUpdateIn:kBackgroundSessionIntervalSec];
}
}
+ (PTYSession*)sessionFromArrangement:(NSDictionary*)arrangement inView:(SessionView*)sessionView inTab:(PTYTab*)theTab
{
PTYSession* aSession = [[[PTYSession alloc] init] autorelease];
aSession->view = sessionView;
[[sessionView findViewController] setDelegate:aSession];
Bookmark* theBookmark = [[BookmarkModel 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]];
[aSession setPreferencesFromAddressBookEntry:theBookmark];
[[aSession SCREEN] setDisplay:[aSession TEXTVIEW]];
[aSession setName:[theBookmark objectForKey:KEY_NAME]];
if ([[[[theTab realParentWindow] window] title] compare:@"Window"] == NSOrderedSame) {
[[theTab realParentWindow] setWindowTitle];
}
[aSession setTab:theTab];
[aSession runCommandWithOldCwd:[arrangement objectForKey:SESSION_ARRANGEMENT_WORKING_DIRECTORY]];
if (needDivorce) {
[aSession divorceAddressBookEntryFromPreferences];
}
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)];
[SCROLLVIEW setHasVerticalScroller:(![parent anyFullScreen] &&
![[PreferencePanel sharedInstance] hideScrollbar])];
NSParameterAssert(SCROLLVIEW != nil);
[SCROLLVIEW setAutoresizingMask: NSViewWidthSizable|NSViewHeightSizable];
// assign the main view
[view addSubview:SCROLLVIEW];
[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]];
[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
{
NSMutableString *cmd;
NSArray *arg;
NSString *pwd;
BOOL isUTF8;
// Grab the addressbook command
Bookmark* addressbookEntry = [self addressBookEntry];
BOOL loginSession;
cmd = [[[NSMutableString alloc] initWithString:[ITAddressBookMgr bookmarkCommand:addressbookEntry isLoginSession:&loginSession]] autorelease];
NSMutableString* theName = [[[NSMutableString alloc] initWithString:[addressbookEntry objectForKey:KEY_NAME]] autorelease];
// Get session parameters
[[[self tab] realParentWindow] getSessionParameters:cmd withName:theName];
[PseudoTerminal breakDown:cmd cmdPath:&cmd cmdArgs:&arg];
pwd = [ITAddressBookMgr bookmarkWorkingDirectory:addressbookEntry];
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];
}
- (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;
}
}
}
- (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];
NSString* lang = [self _lang];
if (lang) {
[env setObject:lang forKey:@"LANG"];
} else {
[env setObject:[self encodingName] 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"];
[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 (EXIT) {
[self _maybeWarnAboutShortLivedSessions];
}
// deregister from the notification center
[[NSNotificationCenter defaultCenter] removeObserver:self];
if (liveSession_) {
[liveSession_ terminate];
}
EXIT = YES;
[SHELL stop];
// final update of display
[self updateDisplay];
[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;
}
[tab_ removeSession:self];
tab_ = nil;
}
- (void)writeTask:(NSData*)data
{
static BOOL checkedDebug;
static BOOL debugKeyDown;
if (!checkedDebug) {
debugKeyDown = [[[NSUserDefaults standardUserDefaults] objectForKey:@"DebugKeyDown"] boolValue];
checkedDebug = YES;
}
if (debugKeyDown) {
const char *bytes = [data bytes];
for (int i = 0; i < [data length]; i++) {
NSLog(@"writeTask keydown %d: %d (%c)", (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)readTask:(NSData*)data
{
if ([data length] == 0 || EXIT) {
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 DEBUG_METHOD_TRACE
NSLog(@"%s(%d):-[PTYSession readTask:%@]", __FILE__, __LINE__,
[[NSString alloc] initWithBytes:[data bytes] length:[data length] encoding:nil]);
#endif
[TERMINAL putStreamData:data];
VT100TCC token;
// while loop to process all the tokens we can get
while (!EXIT &&
TERMINAL &&
((token = [TERMINAL getNextToken]),
token.type != VT100_WAIT &&
token.type != VT100CC_NULL)) {
// process token
if (token.type != VT100_SKIP) {
if (token.type == VT100_NOTSUPPORT) {
//NSLog(@"%s(%d):not support token", __FILE__ , __LINE__);
} else {
[SCREEN putToken:token];
}
}
} // end token processing loop
gettimeofday(&lastOutput, NULL);
newOutput = YES;
// Make sure the screen gets redrawn soonish
[updateDisplayUntil_ release];
updateDisplayUntil_ = [[NSDate dateWithTimeIntervalSinceNow:10] retain];
if ([[[self tab] parentWindow] currentTab] == [self tab]) {
if ([data length] < 1024) {
[self scheduleUpdateIn:kFastTimerIntervalSec];
} else {
[self scheduleUpdateIn:kSlowTimerIntervalSec];
}
} else {
[self scheduleUpdateIn:kBackgroundSessionIntervalSec];
}
[[ProcessCache sharedInstance] notifyNewOutput];
}
- (BOOL)_growlOnForegroundTabs
{
return [[[NSUserDefaults standardUserDefaults] objectForKey:@"GrowlOnForegroundTabs"] boolValue];
}
- (void)brokenPipe
{
if ([SCREEN growl] && (![[self tab] isForegroundTab] || [self _growlOnForegroundTabs])) {
[gd growlNotify:@"Session Ended"
withDescription:[NSString stringWithFormat:@"Session \"%@\" in tab #%d just terminated.",
[self name],
[[self tab] realObjectCount]]
andNotification:@"Broken Pipes"];
}
EXIT = YES;
[[self tab] setLabelAttributes];
if ([self autoClose]) {
[[self tab] closeSession:self];
} else {
[self updateDisplay];
}
}
- (int)_keyBindingActionForEvent:(NSEvent*)event
{
unsigned int modflag;
NSString *unmodkeystr;
unichar unmodunicode;
int keyBindingAction;
NSString *keyBindingText;
modflag = [event modifierFlags];
unmodkeystr = [event charactersIgnoringModifiers];
unmodunicode = [unmodkeystr length]>0?[unmodkeystr characterAtIndex:0]:0;
/*
unsigned short keycode = [event keyCode];
NSString *keystr = [event characters];
unichar unicode = [keystr length] > 0 ? [keystr characterAtIndex:0] : 0;
NSLog(@"event:%@ (%x+%x)[%@][%@]:%x(%c) <%d>", event,modflag,keycode,keystr,unmodkeystr,unicode,unicode,(modflag & NSNumericPadKeyMask));
*/
// Check if we have a custom key mapping for this event
keyBindingAction = [iTermKeyBindingMgr actionForKeyCode:unmodunicode
modifiers:modflag
text:&keyBindingText
keyMappings:[[self addressBookEntry] objectForKey: KEY_KEYBOARD_MAP]];
return keyBindingAction;
}
- (BOOL)hasTextSendingKeyMappingForEvent:(NSEvent*)event
{
int keyBindingAction = [self _keyBindingActionForEvent:event];
switch (keyBindingAction) {
case KEY_ACTION_ESCAPE_SEQUENCE:
case KEY_ACTION_HEX_CODE:
case KEY_ACTION_TEXT:
case KEY_ACTION_IGNORE:
case KEY_ACTION_SEND_C_H_BACKSPACE:
case KEY_ACTION_SEND_C_QM_BACKSPACE:
return YES;
}
return NO;
}
- (BOOL)hasActionableKeyMappingForEvent:(NSEvent *)event
{
int keyBindingAction = [self _keyBindingActionForEvent:event];
return (keyBindingAction >= 0) && (keyBindingAction != KEY_ACTION_DO_NOT_REMAP_MODIFIERS) && (keyBindingAction != KEY_ACTION_REMAP_LOCALLY);
}
+ (void)reloadAllBookmarks
{
int n = [[iTermController sharedInstance] numberOfTerminals];
for (int i = 0; i < n; ++i) {
PseudoTerminal* pty = [[iTermController sharedInstance] terminalAtIndex:i];
[pty reloadBookmarks];
}
}
- (BOOL)_askAboutOutdatedKeyMappings
{
NSNumber* n = [addressBookEntry objectForKey:KEY_ASK_ABOUT_OUTDATED_KEYMAPS];
if (!n) {
n = [[NSUserDefaults standardUserDefaults] objectForKey:[NSString stringWithFormat:ASK_ABOUT_OUTDATED_FORMAT, [addressBookEntry objectForKey:KEY_GUID]]];
if (!n && [addressBookEntry objectForKey:KEY_ORIGINAL_GUID]) {
n = [[NSUserDefaults standardUserDefaults] objectForKey:[NSString stringWithFormat:ASK_ABOUT_OUTDATED_FORMAT, [addressBookEntry objectForKey:KEY_ORIGINAL_GUID]]];
}
}
return n ? [n boolValue] : YES;
}
- (void)_removeOutdatedKeyMapping
{
NSMutableDictionary* temp = [NSMutableDictionary dictionaryWithDictionary:addressBookEntry];
[iTermKeyBindingMgr removeMappingWithCode:NSLeftArrowFunctionKey
modifiers:NSCommandKeyMask | NSAlternateKeyMask | NSNumericPadKeyMask
inBookmark:temp];
[iTermKeyBindingMgr removeMappingWithCode:NSRightArrowFunctionKey
modifiers:NSCommandKeyMask | NSAlternateKeyMask | NSNumericPadKeyMask
inBookmark:temp];
BookmarkModel* model;
if (isDivorced) {
model = [BookmarkModel sessionsInstance];
} else {
model = [BookmarkModel sharedInstance];
}
[model setBookmark:temp withGuid:[temp objectForKey:KEY_GUID]];
[[NSNotificationCenter defaultCenter] postNotificationName:@"iTermKeyBindingsChanged"
object:nil
userInfo:nil];
[PTYSession reloadAllBookmarks];
}
- (void)_setKeepOutdatedKeyMapping
{
BookmarkModel* model;
if (isDivorced) {
model = [BookmarkModel sessionsInstance];
} else {
model = [BookmarkModel sharedInstance];
}
[model setObject:[NSNumber numberWithBool:NO]
forKey:KEY_ASK_ABOUT_OUTDATED_KEYMAPS
inBookmark:addressBookEntry];
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithBool:NO]
forKey:[NSString stringWithFormat:ASK_ABOUT_OUTDATED_FORMAT,
[addressBookEntry objectForKey:KEY_GUID]]];
if ([addressBookEntry objectForKey:KEY_ORIGINAL_GUID]) {
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithBool:NO]
forKey:[NSString stringWithFormat:ASK_ABOUT_OUTDATED_FORMAT,
[addressBookEntry objectForKey:KEY_ORIGINAL_GUID]]];
}
[PTYSession reloadAllBookmarks];
}
+ (BOOL)_recursiveSelectMenuItem:(NSString*)theName inMenu:(NSMenu*)menu
{
for (NSMenuItem* item in [menu itemArray]) {
if (![item isEnabled] || [item isHidden] || [item isAlternate]) {
continue;
}
if ([item hasSubmenu]) {
if ([PTYSession _recursiveSelectMenuItem:theName inMenu:[item submenu]]) {
return YES;
}
} else if ([theName isEqualToString:[item title]]) {
[NSApp sendAction:[item action]
to:[item target]
from:nil];
return YES;
}
}
return NO;
}
+ (BOOL)handleShortcutWithoutTerminal:(NSEvent*)event
{
unsigned int modflag;
NSString *unmodkeystr;
unichar unmodunicode;
int keyBindingAction;
NSString *keyBindingText;
modflag = [event modifierFlags];
unmodkeystr = [event charactersIgnoringModifiers];
unmodunicode = [unmodkeystr length]>0?[unmodkeystr characterAtIndex:0]:0;
// Check if we have a custom key mapping for this event
keyBindingAction = [iTermKeyBindingMgr actionForKeyCode:unmodunicode
modifiers:modflag
text:&keyBindingText
keyMappings:[iTermKeyBindingMgr globalKeyMap]];
if (keyBindingAction == KEY_ACTION_SELECT_MENU_ITEM) {
[PTYSession selectMenuItem:keyBindingText];
return YES;
} else {
return NO;
}
}
+ (void)selectMenuItem:(NSString*)theName
{
if (![self _recursiveSelectMenuItem:theName inMenu:[NSApp mainMenu]]) {
NSBeep();
}
}
// Handle bookmark- and global-scope keybindings. If there is no keybinding then
// pass the keystroke as input.
- (void)keyDown:(NSEvent *)event
{
BOOL debugKeyDown = [[[NSUserDefaults standardUserDefaults] objectForKey:@"DebugKeyDown"] boolValue];
unsigned char *send_str = NULL;
unsigned char *dataPtr = NULL;
int dataLength = 0;
size_t send_strlen = 0;
int send_pchr = -1;
int keyBindingAction;
NSString *keyBindingText;
unsigned int modflag;
NSString *keystr;
NSString *unmodkeystr;
unichar unicode, unmodunicode;
#if DEBUG_METHOD_TRACE || DEBUG_KEYDOWNDUMP
NSLog(@"%s(%d):-[PTYSession keyDown:%@]",
__FILE__, __LINE__, event);
#endif
modflag = [event modifierFlags];
keystr = [event characters];
unmodkeystr = [event charactersIgnoringModifiers];
if ([unmodkeystr length] == 0) {
return;
}
unicode = [keystr length] > 0 ? [keystr characterAtIndex:0] : 0;
unmodunicode = [unmodkeystr length] > 0 ? [unmodkeystr characterAtIndex:0] : 0;
if (debugKeyDown) {
NSLog(@"PTYSession keyDown modflag=%d keystr=%@ unmodkeystr=%@ unicode=%d unmodunicode=%d", (int)modflag, keystr, unmodkeystr, (int)unicode, (int)unmodunicode);
}
gettimeofday(&lastInput, NULL);
if ([[[self tab] realParentWindow] inInstantReplay]) {
if (debugKeyDown) {
NSLog(@"PTYSession keyDown in IR");
}
// Special key handling in IR mode, and keys never get sent to the live
// session, even though it might be displayed.
if (unicode == 27) {
// Escape exits IR
[[[self tab] realParentWindow] closeInstantReplay:self];
return;
} else if (unmodunicode == NSLeftArrowFunctionKey) {
// Left arrow moves to prev frame
int n = 1;
if (modflag & NSShiftKeyMask) {
n = 15;
}
for (int i = 0; i < n; i++) {
[[[self tab] realParentWindow] irPrev:self];
}
} else if (unmodunicode == NSRightArrowFunctionKey) {
// Right arrow moves to next frame
int n = 1;
if (modflag & NSShiftKeyMask) {
n = 15;
}
for (int i = 0; i < n; i++) {
[[[self tab] realParentWindow] irNext:self];
}
} else {
NSBeep();
}
return;
}
unsigned short keycode = [event keyCode];
if (debugKeyDown) {
NSLog(@"event:%@ (%x+%x)[%@][%@]:%x(%c) <%d>", event,modflag,keycode,keystr,unmodkeystr,unicode,unicode,(modflag & NSNumericPadKeyMask));
}
DebugLog([NSString stringWithFormat:@"event:%@ (%x+%x)[%@][%@]:%x(%c) <%d>", event,modflag,keycode,keystr,unmodkeystr,unicode,unicode,(modflag & NSNumericPadKeyMask)]);
// Check if we have a custom key mapping for this event
keyBindingAction = [iTermKeyBindingMgr actionForKeyCode:unmodunicode
modifiers:modflag
text:&keyBindingText
keyMappings:[[self addressBookEntry] objectForKey:KEY_KEYBOARD_MAP]];
if (keyBindingAction >= 0) {
if (debugKeyDown) {
NSLog(@"PTYSession keyDown action=%d", keyBindingAction);
}
DebugLog([NSString stringWithFormat:@"keyBindingAction=%d", keyBindingAction]);
// A special action was bound to this key combination.
NSString *aString;
NSString* temp;
int profileAction = [iTermKeyBindingMgr localActionForKeyCode:unmodunicode
modifiers:modflag
text:&temp
keyMappings:[[self addressBookEntry] objectForKey:KEY_KEYBOARD_MAP]];
if (profileAction == keyBindingAction && // Don't warn if it's a global mapping
(keyBindingAction == KEY_ACTION_NEXT_SESSION ||
keyBindingAction == KEY_ACTION_PREVIOUS_SESSION)) {
// Warn users about outdated default key bindings.
int tempMods = modflag & (NSAlternateKeyMask | NSControlKeyMask | NSShiftKeyMask | NSCommandKeyMask);
int tempKeyCode = unmodunicode;
if (tempMods == (NSCommandKeyMask | NSAlternateKeyMask) &&
(tempKeyCode == 0xf702 || tempKeyCode == 0xf703) &&
[[[self tab] sessions] count] > 1) {
if ([self _askAboutOutdatedKeyMappings]) {
int result = NSRunAlertPanel(@"Outdated Key Mapping Found",
@"It looks like you're trying to switch split panes but you have a key mapping from an old iTerm installation for ⌘⌥← or ⌘⌥→ that switches tabs instead. What would you like to do?",
@"Remove it",
@"Remind me later",
@"Keep it");
switch (result) {
case NSAlertDefaultReturn:
// Remove it
[self _removeOutdatedKeyMapping];
return;
break;
case NSAlertAlternateReturn:
// Remind me later
break;
case NSAlertOtherReturn:
// Keep it
[self _setKeepOutdatedKeyMapping];
break;
default:
break;
}
}
}
}
switch (keyBindingAction) {
case KEY_ACTION_NEXT_SESSION:
[[[self tab] parentWindow] nextTab:nil];
break;
case KEY_ACTION_NEXT_WINDOW:
[[iTermController sharedInstance] nextTerminal:nil];
break;