/*
* tkMacOSXInit.c --
*
* This file contains Mac OS X -specific interpreter initialization
* functions.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
* Copyright 2001-2009, Apple Inc.
* Copyright (c) 2005-2009 Daniel A. Steffen <das@users.sourceforge.net>
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "tkMacOSXPrivate.h"
#include <sys/stat.h>
#include <sys/utsname.h>
#include <dlfcn.h>
#include <objc/objc-auto.h>
static char tkLibPath[PATH_MAX + 1] = "";
/*
* If the App is in an App package, then we want to add the Scripts directory
* to the auto_path.
*/
static char scriptPath[PATH_MAX + 1] = "";
long tkMacOSXMacOSXVersion = 0;
#pragma mark TKApplication(TKInit)
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
#define NSTextInputContextKeyboardSelectionDidChangeNotification @"NSTextInputContextKeyboardSelectionDidChangeNotification"
static void keyboardChanged(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo) {
[[NSNotificationCenter defaultCenter] postNotificationName:NSTextInputContextKeyboardSelectionDidChangeNotification object:nil userInfo:nil];
}
#endif
@interface TKApplication(TKKeyboard)
- (void) keyboardChanged: (NSNotification *) notification;
@end
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
#define TKApplication_NSApplicationDelegate <NSApplicationDelegate>
#else
#define TKApplication_NSApplicationDelegate
#endif
@interface TKApplication(TKWindowEvent) TKApplication_NSApplicationDelegate
- (void) _setupWindowNotifications;
@end
@interface TKApplication(TKMenus)
- (void) _setupMenus;
@end
@implementation TKApplication
@synthesize poolProtected = _poolProtected;
@end
@implementation TKApplication(TKInit)
- (void) _resetAutoreleasePool
{
if(![self poolProtected]) {
[_mainPool drain];
_mainPool = [NSAutoreleasePool new];
}
}
#ifdef TK_MAC_DEBUG_NOTIFICATIONS
- (void) _postedNotification: (NSNotification *) notification
{
TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
}
#endif
- (void) _setupApplicationNotifications
{
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
#define observe(n, s) \
[nc addObserver:self selector:@selector(s) name:(n) object:nil]
observe(NSApplicationDidBecomeActiveNotification, applicationActivate:);
observe(NSApplicationDidResignActiveNotification, applicationDeactivate:);
observe(NSApplicationDidUnhideNotification, applicationShowHide:);
observe(NSApplicationDidHideNotification, applicationShowHide:);
observe(NSApplicationDidChangeScreenParametersNotification, displayChanged:);
observe(NSTextInputContextKeyboardSelectionDidChangeNotification, keyboardChanged:);
#undef observe
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
CFNotificationCenterAddObserver(CFNotificationCenterGetDistributedCenter(), NULL, &keyboardChanged, kTISNotifySelectedKeyboardInputSourceChanged, NULL, CFNotificationSuspensionBehaviorCoalesce);
#endif
}
- (void) _setupEventLoop
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
[self finishLaunching];
[self setWindowsNeedUpdate:YES];
[pool drain];
}
- (void) _setup: (Tcl_Interp *) interp
{
_eventInterp = interp;
_mainPool = [NSAutoreleasePool new];
[NSApp setPoolProtected:NO];
_defaultMainMenu = nil;
[self _setupMenus];
[self setDelegate:self];
#ifdef TK_MAC_DEBUG_NOTIFICATIONS
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(_postedNotification:) name:nil object:nil];
#endif
[self _setupWindowNotifications];
[self _setupApplicationNotifications];
}
- (NSString *) tkFrameworkImagePath: (NSString *) image
{
NSString *path = nil;
NSAutoreleasePool *pool = [NSAutoreleasePool new];
if (tkLibPath[0] != '\0') {
path = [[NSBundle bundleWithPath:[[NSString stringWithUTF8String:
tkLibPath] stringByAppendingString:@"/../.."]]
pathForImageResource:image];
}
if (!path) {
const char *tk_library = Tcl_GetVar2(_eventInterp, "tk_library", NULL,
TCL_GLOBAL_ONLY);
if (tk_library) {
NSFileManager *fm = [NSFileManager defaultManager];
path = [[NSString stringWithUTF8String:tk_library]
stringByAppendingFormat:@"/%@", image];
if (![fm isReadableFileAtPath:path]) {
path = [[NSString stringWithUTF8String:tk_library]
stringByAppendingFormat:@"/../macosx/%@", image];
if (![fm isReadableFileAtPath:path]) {
path = nil;
}
}
}
}
#ifdef TK_MAC_DEBUG
if (!path && getenv("TK_SRCROOT")) {
path = [[NSString stringWithUTF8String:getenv("TK_SRCROOT")]
stringByAppendingFormat:@"/macosx/%@", image];
if (![[NSFileManager defaultManager] isReadableFileAtPath:path]) {
path = nil;
}
}
#endif
[path retain];
[pool drain];
return path;
}
@end
#pragma mark -
/*
*----------------------------------------------------------------------
*
* DoWindowActivate --
*
* Idle handler that sets the application icon to the generic Tk icon.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static void
SetApplicationIcon(
ClientData clientData)
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
NSString *path = [NSApp tkFrameworkImagePath:@"Tk.icns"];
if (path) {
NSImage *image = [[NSImage alloc] initWithContentsOfFile:path];
if (image) {
[NSApp setApplicationIconImage:image];
[image release];
}
}
[pool drain];
}
/*
*----------------------------------------------------------------------
*
* TkpInit --
*
* Performs Mac-specific interpreter initialization related to the
* tk_library variable.
*
* Results:
* Returns a standard Tcl result. Leaves an error message or result in
* the interp's result.
*
* Side effects:
* Sets "tk_library" Tcl variable, runs "tk.tcl" script.
*
*----------------------------------------------------------------------
*/
int
TkpInit(
Tcl_Interp *interp)
{
static int initialized = 0;
/*
* Since it is possible for TkInit to be called multiple times and we
* don't want to do the following initialization multiple times we protect
* against doing it more than once.
*/
if (!initialized) {
int bundledExecutable = 0;
CFBundleRef bundleRef;
CFURLRef bundleUrl = NULL;
struct utsname name;
struct stat st;
initialized = 1;
/*
* Initialize/check OS version variable for runtime checks.
*/
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1050
# error Mac OS X 10.5 required
#endif
if (!uname(&name)) {
tkMacOSXMacOSXVersion = (strtod(name.release, NULL) + 96) * 10;
}
/*Check for new versioning scheme on Yosemite (10.10) and later.*/
if (MAC_OS_X_VERSION_MIN_REQUIRED > 100000) {
tkMacOSXMacOSXVersion = MAC_OS_X_VERSION_MIN_REQUIRED/100;
}
if (tkMacOSXMacOSXVersion && MAC_OS_X_VERSION_MIN_REQUIRED < 100000 &&
tkMacOSXMacOSXVersion/10 < MAC_OS_X_VERSION_MIN_REQUIRED/10) {
Tcl_Panic("Mac OS X 10.%d or later required !",
(MAC_OS_X_VERSION_MIN_REQUIRED/10)-100);
}
#ifdef TK_FRAMEWORK
/*
* When Tk is in a framework, force tcl_findLibrary to look in the
* framework scripts directory.
* FIXME: Should we come up with a more generic way of doing this?
*/
if (Tcl_MacOSXOpenVersionedBundleResources(interp,
"com.tcltk.tklibrary", TK_FRAMEWORK_VERSION, 0, PATH_MAX,
tkLibPath) != TCL_OK) {
TkMacOSXDbgMsg("Tcl_MacOSXOpenVersionedBundleResources failed");
}
#endif
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
[[NSUserDefaults standardUserDefaults] registerDefaults:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES],
@"_NSCanWrapButtonTitles",
[NSNumber numberWithInt:-1],
@"NSStringDrawingTypesetterBehavior",
nil]];
[TKApplication sharedApplication];
[pool drain];
[NSApp _setup:interp];
}
/* Check whether we are a bundled executable: */
bundleRef = CFBundleGetMainBundle();
if (bundleRef) {
bundleUrl = CFBundleCopyBundleURL(bundleRef);
}
if (bundleUrl) {
/*
* A bundled executable is two levels down from its main bundle
* directory (e.g. Wish.app/Contents/MacOS/Wish), whereas an
* unbundled executable's main bundle directory is just the
* directory containing the executable. So to check whether we are
* bundled, we delete the last three path components of the
* executable's url and compare the resulting url with the main
* bundle url.
*/
int j = 3;
CFURLRef url = CFBundleCopyExecutableURL(bundleRef);
while (url && j--) {
CFURLRef parent =
CFURLCreateCopyDeletingLastPathComponent(NULL, url);
CFRelease(url);
url = parent;
}
if (url) {
bundledExecutable = CFEqual(bundleUrl, url);
CFRelease(url);
}
CFRelease(bundleUrl);
}
if (!bundledExecutable) {
/*
* If we are loaded into an executable that is not a bundled
* application, the window server does not let us come to the
* foreground. For such an executable, notify the window server
* that we are now a full GUI application.
*/
OSStatus err = procNotFound;
ProcessSerialNumber psn = { 0, kCurrentProcess };
err = ChkErr(TransformProcessType, &psn,
kProcessTransformToForegroundApplication);
/*
* Set application icon to generic Tk icon, do it at idle time
* instead of now to ensure tk_library is setup.
*/
Tcl_DoWhenIdle(SetApplicationIcon, NULL);
}
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
[NSApp _setupEventLoop];
TkMacOSXInitAppleEvents(interp);
TkMacOSXUseAntialiasedText(interp, -1);
TkMacOSXInitCGDrawing(interp, TRUE, 0);
[pool drain];
}
/*
* FIXME: Close stdin & stdout for remote debugging otherwise we will
* fight with gdb for stdin & stdout
*/
if (getenv("XCNOSTDIN") != NULL) {
close(0);
close(1);
}
/*
* If we don't have a TTY and stdin is a special character file of
* length 0, (e.g. /dev/null, which is what Finder sets when double
* clicking Wish) then use the Tk based console interpreter.
*/
if (getenv("TK_CONSOLE") ||
(!isatty(0) && (fstat(0, &st) ||
(S_ISCHR(st.st_mode) && st.st_blocks == 0)))) {
Tk_InitConsoleChannels(interp);
Tcl_RegisterChannel(interp, Tcl_GetStdChannel(TCL_STDIN));
Tcl_RegisterChannel(interp, Tcl_GetStdChannel(TCL_STDOUT));
Tcl_RegisterChannel(interp, Tcl_GetStdChannel(TCL_STDERR));
/*
* Only show the console if we don't have a startup script
* and tcl_interactive hasn't been set already.
*/
if (Tcl_GetStartupScript(NULL) == NULL) {
const char *intvar = Tcl_GetVar2(interp,
"tcl_interactive", NULL, TCL_GLOBAL_ONLY);
if (intvar == NULL) {
Tcl_SetVar2(interp, "tcl_interactive", NULL, "1",
TCL_GLOBAL_ONLY);
}
}
if (Tk_CreateConsoleWindow(interp) == TCL_ERROR) {
return TCL_ERROR;
}
}
}
Tk_MacOSXSetupTkNotifier();
if (tkLibPath[0] != '\0') {
Tcl_SetVar2(interp, "tk_library", NULL, tkLibPath, TCL_GLOBAL_ONLY);
}
if (scriptPath[0] != '\0') {
Tcl_SetVar2(interp, "auto_path", NULL, scriptPath,
TCL_GLOBAL_ONLY|TCL_LIST_ELEMENT|TCL_APPEND_VALUE);
}
Tcl_CreateObjCommand(interp, "::tk::mac::standardAboutPanel",
TkMacOSXStandardAboutPanelObjCmd, NULL, NULL);
Tcl_CreateObjCommand(interp, "::tk::mac::iconBitmap",
TkMacOSXIconBitmapObjCmd, NULL, NULL);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkpGetAppName --
*
* Retrieves the name of the current application from a platform specific
* location. For Unix, the application name is the tail of the path
* contained in the tcl variable argv0.
*
* Results:
* Returns the application name in the given Tcl_DString.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
TkpGetAppName(
Tcl_Interp *interp,
Tcl_DString *namePtr) /* A previously initialized Tcl_DString. */
{
const char *p, *name;
name = Tcl_GetVar2(interp, "argv0", NULL, TCL_GLOBAL_ONLY);
if ((name == NULL) || (*name == 0)) {
name = "tk";
} else {
p = strrchr(name, '/');
if (p != NULL) {
name = p+1;
}
}
Tcl_DStringAppend(namePtr, name, -1);
}
/*
*----------------------------------------------------------------------
*
* TkpDisplayWarning --
*
* This routines is called from Tk_Main to display warning messages that
* occur during startup.
*
* Results:
* None.
*
* Side effects:
* Generates messages on stdout.
*
*----------------------------------------------------------------------
*/
void
TkpDisplayWarning(
const char *msg, /* Message to be displayed. */
const char *title) /* Title of warning. */
{
Tcl_Channel errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
Tcl_WriteChars(errChannel, title, -1);
Tcl_WriteChars(errChannel, ": ", 2);
Tcl_WriteChars(errChannel, msg, -1);
Tcl_WriteChars(errChannel, "\n", 1);
}
}
/*
*----------------------------------------------------------------------
*
* TkMacOSXDefaultStartupScript --
*
* On MacOS X, we look for a file in the Resources/Scripts directory
* called AppMain.tcl and if found, we set argv[1] to that, so that the
* rest of the code will find it, and add the Scripts folder to the
* auto_path. If we don't find the startup script, we just bag it,
* assuming the user is starting up some other way.
*
* Results:
* None.
*
* Side effects:
* Tcl_SetStartupScript() called when AppMain.tcl found.
*
*----------------------------------------------------------------------
*/
MODULE_SCOPE void
TkMacOSXDefaultStartupScript(void)
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
CFBundleRef bundleRef = CFBundleGetMainBundle();
if (bundleRef != NULL) {
CFURLRef appMainURL = CFBundleCopyResourceURL(bundleRef,
CFSTR("AppMain"), CFSTR("tcl"), CFSTR("Scripts"));
if (appMainURL != NULL) {
CFURLRef scriptFldrURL;
char startupScript[PATH_MAX + 1];
if (CFURLGetFileSystemRepresentation (appMainURL, true,
(unsigned char *) startupScript, PATH_MAX)) {
Tcl_SetStartupScript(Tcl_NewStringObj(startupScript,-1), NULL);
scriptFldrURL = CFURLCreateCopyDeletingLastPathComponent(NULL,
appMainURL);
if (scriptFldrURL != NULL) {
CFURLGetFileSystemRepresentation(scriptFldrURL, true,
(unsigned char *) scriptPath, PATH_MAX);
CFRelease(scriptFldrURL);
}
}
CFRelease(appMainURL);
}
}
[pool drain];
}
/*
*----------------------------------------------------------------------
*
* TkMacOSXGetNamedSymbol --
*
* Dynamically acquire address of a named symbol from a loaded dynamic
* library, so that we can use API that may not be available on all OS
* versions.
*
* Results:
* Address of given symbol or NULL if unavailable.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
MODULE_SCOPE void*
TkMacOSXGetNamedSymbol(
const char* module,
const char* symbol)
{
void *addr = dlsym(RTLD_NEXT, symbol);
if (!addr) {
(void) dlerror(); /* Clear dlfcn error state */
}
return addr;
}
/*
*----------------------------------------------------------------------
*
* TkMacOSXGetStringObjFromCFString --
*
* Get a string object from a CFString as efficiently as possible.
*
* Results:
* New string object or NULL if conversion failed.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
MODULE_SCOPE Tcl_Obj*
TkMacOSXGetStringObjFromCFString(
CFStringRef str)
{
Tcl_Obj *obj = NULL;
const char *c = CFStringGetCStringPtr(str, kCFStringEncodingUTF8);
if (c) {
obj = Tcl_NewStringObj(c, -1);
} else {
CFRange all = CFRangeMake(0, CFStringGetLength(str));
CFIndex len;
if (CFStringGetBytes(str, all, kCFStringEncodingUTF8, 0, false, NULL,
0, &len) > 0 && len < INT_MAX) {
obj = Tcl_NewObj();
Tcl_SetObjLength(obj, len);
CFStringGetBytes(str, all, kCFStringEncodingUTF8, 0, false,
(UInt8*) obj->bytes, len, NULL);
}
}
return obj;
}
/*
* Local Variables:
* mode: objc
* c-basic-offset: 4
* fill-column: 79
* coding: utf-8
* End:
*/