681 lines
18 KiB
C
681 lines
18 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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* Copyright (c) 2017 Marc Culler
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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 <sys/stat.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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#pragma mark TKApplication(TKInit)
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@implementation TKApplication
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@synthesize poolLock = _poolLock;
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@synthesize macMinorVersion = _macMinorVersion;
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@synthesize isDrawing = _isDrawing;
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@end
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/*
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* #define this to see a message on stderr whenever _resetAutoreleasePool is
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* called while the pool is locked.
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*/
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#undef DEBUG_LOCK
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@implementation TKApplication(TKInit)
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- (void) _resetAutoreleasePool
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{
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if ([self poolLock] == 0) {
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[_mainPool drain];
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_mainPool = [NSAutoreleasePool new];
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} else {
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#ifdef DEBUG_LOCK
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fprintf(stderr, "Pool is locked with count %d!!!!\n", [self poolLock]);
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#endif
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}
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}
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- (void) _lockAutoreleasePool
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{
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[self setPoolLock:[self poolLock] + 1];
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}
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- (void) _unlockAutoreleasePool
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{
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[self setPoolLock:[self poolLock] - 1];
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}
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#ifdef TK_MAC_DEBUG_NOTIFICATIONS
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- (void) _postedNotification: (NSNotification *) notification
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{
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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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{
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NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
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#define observe(n, s) \
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[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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}
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-(void)applicationWillFinishLaunching:(NSNotification *)aNotification
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{
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/*
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* Initialize notifications.
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*/
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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 _setupApplicationNotifications];
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/*
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* Construct the menu bar.
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*/
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_defaultMainMenu = nil;
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[self _setupMenus];
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/*
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* Initialize event processing.
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*/
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TkMacOSXInitAppleEvents(_eventInterp);
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/*
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* Initialize the graphics context.
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*/
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TkMacOSXUseAntialiasedText(_eventInterp, -1);
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TkMacOSXInitCGDrawing(_eventInterp, TRUE, 0);
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}
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-(void)applicationDidFinishLaunching:(NSNotification *)notification
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{
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/*
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* It is not safe to force activation of the NSApp until this method is
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* called. Activating too early can cause the menu bar to be unresponsive.
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* The call to activateIgnoringOtherApps was moved here to avoid this.
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* However, with the release of macOS 10.15 (Catalina) this was no longer
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* sufficient. (See ticket bf93d098d7.) Apparently apps were being
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* activated automatically, and this was sometimes being done too early.
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* As a workaround we deactivate and then reactivate the app, even though
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* Apple says that "Normally, you shouldn’t invoke this method".
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*/
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[NSApp deactivate];
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[NSApp activateIgnoringOtherApps: YES];
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/*
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* Process events to ensure that the root window is fully initialized. See
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* ticket 56a1823c73.
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*/
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[NSApp _lockAutoreleasePool];
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while (Tcl_DoOneEvent(TCL_WINDOW_EVENTS| TCL_DONT_WAIT)) {}
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[NSApp _unlockAutoreleasePool];
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}
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- (void) _setup: (Tcl_Interp *) interp
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{
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/*
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* Remember our interpreter.
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*/
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_eventInterp = interp;
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/*
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* Install the global autoreleasePool.
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*/
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_mainPool = [NSAutoreleasePool new];
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[NSApp setPoolLock:0];
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/*
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* Record the OS version we are running on.
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*/
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int minorVersion;
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#if MAC_OS_X_VERSION_MAX_ALLOWED < 101000
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Gestalt(gestaltSystemVersionMinor, (SInt32*)&minorVersion);
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#else
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NSOperatingSystemVersion systemVersion;
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systemVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
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minorVersion = systemVersion.minorVersion;
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#endif
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[NSApp setMacMinorVersion: minorVersion];
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/*
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* We are not drawing right now.
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*/
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[NSApp setIsDrawing:NO];
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/*
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* Be our own delegate.
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*/
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[self setDelegate:self];
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/*
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* Make sure we are allowed to open windows.
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*/
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[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
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/*
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* If no icon has been set from an Info.plist file, use the Wish icon from
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* the Tk framework.
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*/
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NSString *iconFile = [[NSBundle mainBundle] objectForInfoDictionaryKey:
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@"CFBundleIconFile"];
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if (!iconFile) {
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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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- (NSString *) tkFrameworkImagePath: (NSString *) image
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{
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NSString *path = nil;
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NSAutoreleasePool *pool = [NSAutoreleasePool new];
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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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[path retain];
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[pool drain];
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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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* 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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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 < 1060
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# error Mac OS X 10.6 required
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#endif
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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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# if 0 /* This is not really an error. Wish still runs fine. */
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TkMacOSXDbgMsg("Tcl_MacOSXOpenVersionedBundleResources failed");
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# endif
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}
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#endif
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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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* Instantiate our NSApplication object. This needs to be done before
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* we check whether to open a console window.
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*/
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NSAutoreleasePool *pool = [NSAutoreleasePool new];
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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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[pool drain];
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[NSApp _setup:interp];
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/*
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* WARNING: The finishLaunching method runs asynchronously, apparently
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* in a separate thread. This creates a race between the
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* initialization of the NSApplication and the initialization of Tk.
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* If Tk wins the race bad things happen with the root window (see
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* below). If the NSApplication wins then an AppleEvent created during
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* launch, e.g. by dropping a file icon on the application icon, will
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* be delivered before the procedure meant to to handle the AppleEvent
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* has been defined. This is now handled by processing the AppleEvent
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* as an idle task. See tkMacOSXHLEvents.c.
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*/
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[NSApp finishLaunching];
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/*
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* Create a Tk event source based on the Appkit event queue.
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*/
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Tk_MacOSXSetupTkNotifier();
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/*
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* If Tk initialization wins the race, the root window is mapped before
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* the NSApplication is initialized. This can cause bad things to
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* happen. The root window can open off screen with no way to make it
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* appear on screen until the app icon is clicked. This will happen if
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* a Tk application opens a modal window in its startup script (see
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* ticket 56a1823c73). In other cases, an empty root window can open
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* on screen and remain visible for a noticeable amount of time while
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* the Tk initialization finishes (see ticket d1989fb7cf). The call
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* below forces Tk to block until the Appkit event queue has been
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* created. This seems to be sufficient to ensure that the
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* NSApplication initialization wins the race, avoiding these bad
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* window behaviors.
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*/
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Tcl_DoOneEvent(TCL_WINDOW_EVENTS | TCL_DONT_WAIT);
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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 and
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* 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_GetVar2(interp,
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"tcl_interactive", NULL, TCL_GLOBAL_ONLY);
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if (intvar == NULL) {
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Tcl_SetVar2(interp, "tcl_interactive", NULL, "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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* Initialize the NSServices object here. Apple's docs say to do this
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* in applicationDidFinishLaunching, but the Tcl interpreter is not
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* initialized until this function call.
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*/
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TkMacOSXServices_Init(interp);
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}
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if (tkLibPath[0] != '\0') {
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Tcl_SetVar2(interp, "tk_library", NULL, tkLibPath, TCL_GLOBAL_ONLY);
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}
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if (scriptPath[0] != '\0') {
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Tcl_SetVar2(interp, "auto_path", NULL, 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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Tcl_CreateObjCommand(interp, "::tk::mac::GetAppPath", TkMacOSXGetAppPath, 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_GetVar2(interp, "argv0", NULL, 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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* TkMacOSXGetAppPath --
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*
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* Returns the path of the Wish application bundle.
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*
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* Results:
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* Returns the application path.
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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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int TkMacOSXGetAppPath(
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ClientData cd,
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Tcl_Interp *ip,
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int objc,
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Tcl_Obj *const objv[])
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{
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CFURLRef mainBundleURL = CFBundleCopyBundleURL(CFBundleGetMainBundle());
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/*
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* Convert the URL reference into a string reference.
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*/
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CFStringRef appPath = CFURLCopyFileSystemPath(mainBundleURL, kCFURLPOSIXPathStyle);
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/*
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* Get the system encoding method.
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*/
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CFStringEncoding encodingMethod = CFStringGetSystemEncoding();
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/*
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* Convert the string reference into a C string.
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*/
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char *path = (char *) CFStringGetCStringPtr(appPath, encodingMethod);
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Tcl_SetResult(ip, path, NULL);
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CFRelease(mainBundleURL);
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CFRelease(appPath);
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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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* 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
|
||
* 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:
|
||
*/
|