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