diff options
Diffstat (limited to 'macosx/tkMacOSXHLEvents.c')
| -rw-r--r-- | macosx/tkMacOSXHLEvents.c | 422 |
1 files changed, 218 insertions, 204 deletions
diff --git a/macosx/tkMacOSXHLEvents.c b/macosx/tkMacOSXHLEvents.c index f56165d..8054d7e 100644 --- a/macosx/tkMacOSXHLEvents.c +++ b/macosx/tkMacOSXHLEvents.c @@ -1,63 +1,62 @@ /* * tkMacOSXHLEvents.c -- * - * Implements high level event support for the Macintosh. Currently, - * the only event that really does anything is the Quit event. + * Implements high level event support for the Macintosh. Currently, the + * only event that really does anything is the Quit event. * * Copyright (c) 1995-1997 Sun Microsystems, Inc. * Copyright 2001, Apple Computer, Inc. * Copyright (c) 2006 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. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkMacOSXHLEvents.c,v 1.15 2007/12/13 15:27:09 dgp Exp $ + * RCS: @(#) $Id: tkMacOSXHLEvents.c,v 1.15.2.1 2008/07/22 17:00:49 das Exp $ */ #include "tkMacOSXPrivate.h" /* - * This is a Tcl_Event structure that the Quit AppleEvent handler - * uses to schedule the ReallyKillMe function. + * This is a Tcl_Event structure that the Quit AppleEvent handler uses to + * schedule the ReallyKillMe function. */ typedef struct KillEvent { - Tcl_Event header; /* Information that is standard for - * all events. */ - Tcl_Interp *interp; /* Interp that was passed to the - * Quit AppleEvent */ + Tcl_Event header; /* Information that is standard for all + * events. */ + Tcl_Interp *interp; /* Interp that was passed to the Quit + * AppleEvent */ } KillEvent; /* * Static functions used only in this file. */ -static OSErr QuitHandler(const AppleEvent * event, AppleEvent * reply, - long handlerRefcon); -static OSErr OappHandler(const AppleEvent * event, AppleEvent * reply, - long handlerRefcon); -static OSErr RappHandler(const AppleEvent * event, AppleEvent * reply, - long handlerRefcon); -static OSErr OdocHandler(const AppleEvent * event, AppleEvent * reply, - long handlerRefcon); -static OSErr PrintHandler(const AppleEvent * event, AppleEvent * reply, - long handlerRefcon); -static OSErr ScriptHandler(const AppleEvent * event, AppleEvent * reply, - long handlerRefcon); -static OSErr PrefsHandler(const AppleEvent * event, AppleEvent * reply, - long handlerRefcon); - -static int MissedAnyParameters(const AppleEvent *theEvent); -static int ReallyKillMe(Tcl_Event *eventPtr, int flags); -static OSStatus FSRefToDString(const FSRef *fsref, Tcl_DString *ds); +static OSErr QuitHandler(const AppleEvent *event, + AppleEvent *reply, long handlerRefcon); +static OSErr OappHandler(const AppleEvent *event, + AppleEvent *reply, long handlerRefcon); +static OSErr RappHandler(const AppleEvent *event, + AppleEvent *reply, long handlerRefcon); +static OSErr OdocHandler(const AppleEvent *event, + AppleEvent *reply, long handlerRefcon); +static OSErr PrintHandler(const AppleEvent *event, + AppleEvent *reply, long handlerRefcon); +static OSErr ScriptHandler(const AppleEvent *event, + AppleEvent *reply, long handlerRefcon); +static OSErr PrefsHandler(const AppleEvent *event, + AppleEvent *reply, long handlerRefcon); +static int MissedAnyParameters(const AppleEvent *theEvent); +static int ReallyKillMe(Tcl_Event *eventPtr, int flags); +static OSStatus FSRefToDString(const FSRef *fsref, Tcl_DString *ds); /* *---------------------------------------------------------------------- * * TkMacOSXInitAppleEvents -- * - * Initilize the Apple Events on the Macintosh. This registers the - * core event handlers. + * Initilize the Apple Events on the Macintosh. This registers the core + * event handlers. * * Results: * None. @@ -70,10 +69,11 @@ static OSStatus FSRefToDString(const FSRef *fsref, Tcl_DString *ds); void TkMacOSXInitAppleEvents( - Tcl_Interp *interp) /* Interp to handle basic events. */ + Tcl_Interp *interp) /* Interp to handle basic events. */ { - AEEventHandlerUPP OappHandlerUPP, RappHandlerUPP, OdocHandlerUPP, - PrintHandlerUPP, QuitHandlerUPP, ScriptHandlerUPP, PrefsHandlerUPP; + AEEventHandlerUPP OappHandlerUPP, RappHandlerUPP, OdocHandlerUPP; + AEEventHandlerUPP PrintHandlerUPP, QuitHandlerUPP, ScriptHandlerUPP; + AEEventHandlerUPP PrefsHandlerUPP; static Boolean initialized = FALSE; if (!initialized) { @@ -82,6 +82,7 @@ TkMacOSXInitAppleEvents( /* * Install event handlers for the core apple events. */ + QuitHandlerUPP = NewAEEventHandlerUPP(QuitHandler); ChkErr(AEInstallEventHandler, kCoreEventClass, kAEQuitApplication, QuitHandlerUPP, (long) interp, false); @@ -109,7 +110,7 @@ TkMacOSXInitAppleEvents( if (interp) { ScriptHandlerUPP = NewAEEventHandlerUPP(ScriptHandler); ChkErr(AEInstallEventHandler, kAEMiscStandards, kAEDoScript, - ScriptHandlerUPP, (long) interp, false); + ScriptHandlerUPP, (long) interp, false); } } } @@ -153,10 +154,10 @@ TkMacOSXDoHLEvent( *---------------------------------------------------------------------- */ -OSErr +static OSErr QuitHandler( - const AppleEvent * event, - AppleEvent * reply, + const AppleEvent *event, + AppleEvent *reply, long handlerRefcon) { Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon; @@ -164,10 +165,11 @@ QuitHandler( if (interp) { /* - * Call the exit command from the event loop, since you are not supposed - * to call ExitToShell in an Apple Event Handler. We put this at the head - * of Tcl's event queue because this message usually comes when the Mac is - * shutting down, and we want to kill the shell as quickly as possible. + * Call the exit command from the event loop, since you are not + * supposed to call ExitToShell in an Apple Event Handler. We put this + * at the head of Tcl's event queue because this message usually comes + * when the Mac is shutting down, and we want to kill the shell as + * quickly as possible. */ eventPtr = (KillEvent *) ckalloc(sizeof(KillEvent)); @@ -195,18 +197,20 @@ QuitHandler( *---------------------------------------------------------------------- */ -OSErr +static OSErr OappHandler( - const AppleEvent * event, - AppleEvent * reply, + const AppleEvent *event, + AppleEvent *reply, long handlerRefcon) { Tcl_CmdInfo dummy; Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon; if (interp && - Tcl_GetCommandInfo(interp, "::tk::mac::OpenApplication", &dummy)) { - Tcl_GlobalEval(interp, "::tk::mac::OpenApplication"); + Tcl_GetCommandInfo(interp, "::tk::mac::OpenApplication", &dummy)){ + if (Tcl_GlobalEval(interp, "::tk::mac::OpenApplication") != TCL_OK) { + Tcl_BackgroundError(interp); + } } return noErr; } @@ -227,10 +231,10 @@ OappHandler( *---------------------------------------------------------------------- */ -OSErr +static OSErr RappHandler( - const AppleEvent * event, - AppleEvent * reply, + const AppleEvent *event, + AppleEvent *reply, long handlerRefcon) { Tcl_CmdInfo dummy; @@ -238,9 +242,11 @@ RappHandler( ProcessSerialNumber thePSN = {0, kCurrentProcess}; OSStatus err = ChkErr(SetFrontProcess, &thePSN); - if (interp && - Tcl_GetCommandInfo(interp, "::tk::mac::ReopenApplication", &dummy)) { - Tcl_GlobalEval(interp, "::tk::mac::ReopenApplication"); + if (interp && Tcl_GetCommandInfo(interp, + "::tk::mac::ReopenApplication", &dummy)) { + if (Tcl_GlobalEval(interp, "::tk::mac::ReopenApplication") != TCL_OK){ + Tcl_BackgroundError(interp); + } } return err; } @@ -250,8 +256,8 @@ RappHandler( * * PrefsHandler -- * - * This is the 'pref' core Apple event handler. - * Called when the user selects 'Preferences...' in MacOS X + * This is the 'pref' core Apple event handler. Called when the user + * selects 'Preferences...' in MacOS X * * Results: * None. @@ -262,18 +268,20 @@ RappHandler( *---------------------------------------------------------------------- */ -OSErr +static OSErr PrefsHandler( - const AppleEvent * event, - AppleEvent * reply, + const AppleEvent *event, + AppleEvent *reply, long handlerRefcon) { Tcl_CmdInfo dummy; Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon; if (interp && - Tcl_GetCommandInfo(interp, "::tk::mac::ShowPreferences", &dummy)) { - Tcl_GlobalEval(interp, "::tk::mac::ShowPreferences"); + Tcl_GetCommandInfo(interp, "::tk::mac::ShowPreferences", &dummy)){ + if (Tcl_GlobalEval(interp, "::tk::mac::ShowPreferences") != TCL_OK) { + Tcl_BackgroundError(interp); + } } return noErr; } @@ -294,75 +302,75 @@ PrefsHandler( *---------------------------------------------------------------------- */ -OSErr +static OSErr OdocHandler( - const AppleEvent * event, - AppleEvent * reply, + const AppleEvent *event, + AppleEvent *reply, long handlerRefcon) { Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon; AEDescList fileSpecList; FSRef file; - OSStatus err; DescType type; Size actual; - long count; + long count, index; AEKeyword keyword; - long index; - Tcl_DString command; - Tcl_DString pathName; + Tcl_DString command, pathName; Tcl_CmdInfo dummy; /* - * Don't bother if we don't have an interp or - * the open document procedure doesn't exist. + * Don't bother if we don't have an interp or the open document procedure + * doesn't exist. */ - if ((interp == NULL) || - (Tcl_GetCommandInfo(interp, "::tk::mac::OpenDocument", &dummy)) == 0) { - return noErr; + if (!interp || + !Tcl_GetCommandInfo(interp, "::tk::mac::OpenDocument", &dummy)) { + return noErr; } /* - * If we get any errors wil retrieving our parameters - * we just return with no error. + * If we get any errors wil retrieving our parameters we just return with + * no error. */ - err = ChkErr(AEGetParamDesc, event, keyDirectObject, typeAEList, - &fileSpecList); - if (err != noErr) { + if (ChkErr(AEGetParamDesc, event, keyDirectObject, typeAEList, + &fileSpecList) != noErr) { return noErr; } - - err = MissedAnyParameters(event); - if (err != noErr) { + if (MissedAnyParameters(event) != noErr) { return noErr; } - - err = ChkErr(AECountItems, &fileSpecList, &count); - if (err != noErr) { + if (ChkErr(AECountItems, &fileSpecList, &count) != noErr) { return noErr; } + /* + * Convert our parameters into a script to evaluate, skipping things that + * we can't handle right. + */ + Tcl_DStringInit(&command); Tcl_DStringAppend(&command, "::tk::mac::OpenDocument", -1); for (index = 1; index <= count; index++) { - err = ChkErr(AEGetNthPtr, &fileSpecList, index, typeFSRef, - &keyword, &type, (Ptr) &file, sizeof(FSRef), &actual); - if ( err != noErr ) { + if (ChkErr(AEGetNthPtr, &fileSpecList, index, typeFSRef, &keyword, + &type, (Ptr) &file, sizeof(FSRef), &actual) != noErr) { continue; } - err = ChkErr(FSRefToDString, &file, &pathName); - if (err == noErr) { + if (ChkErr(FSRefToDString, &file, &pathName) == noErr) { Tcl_DStringAppendElement(&command, Tcl_DStringValue(&pathName)); Tcl_DStringFree(&pathName); } } - Tcl_EvalEx(interp, Tcl_DStringValue(&command), Tcl_DStringLength(&command), - TCL_EVAL_GLOBAL); + /* + * Now handle the event by evaluating a script. + */ + if (Tcl_EvalEx(interp, Tcl_DStringValue(&command), + Tcl_DStringLength(&command), TCL_EVAL_GLOBAL) != TCL_OK) { + Tcl_BackgroundError(interp); + } Tcl_DStringFree(&command); return noErr; } @@ -383,7 +391,7 @@ OdocHandler( *---------------------------------------------------------------------- */ -OSErr +static OSErr PrintHandler( const AppleEvent * event, AppleEvent * reply, @@ -392,66 +400,57 @@ PrintHandler( Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon; AEDescList fileSpecList; FSRef file; - OSStatus err; DescType type; Size actual; - long count; + long count, index; AEKeyword keyword; - long index; - Tcl_DString command; - Tcl_DString pathName; + Tcl_DString command, pathName; Tcl_CmdInfo dummy; /* - * Don't bother if we don't have an interp or - * the print document procedure doesn't exist. + * Don't bother if we don't have an interp or the print document procedure + * doesn't exist. */ - if ((interp == NULL) || - (Tcl_GetCommandInfo(interp, "::tk::mac::PrintDocument", &dummy)) == 0) { - return noErr; + if (!interp || + !Tcl_GetCommandInfo(interp, "::tk::mac::PrintDocument", &dummy)) { + return noErr; } /* - * If we get any errors wil retrieving our parameters - * we just return with no error. + * If we get any errors wil retrieving our parameters we just return with + * no error. */ - err = ChkErr(AEGetParamDesc, event, keyDirectObject, typeAEList, - &fileSpecList); - if (err != noErr) { + if (ChkErr(AEGetParamDesc, event, keyDirectObject, typeAEList, + &fileSpecList) != noErr) { return noErr; } - - err = ChkErr(MissedAnyParameters, event); - if (err != noErr) { + if (ChkErr(MissedAnyParameters, event) != noErr) { return noErr; } - - err = ChkErr(AECountItems, &fileSpecList, &count); - if (err != noErr) { + if (ChkErr(AECountItems, &fileSpecList, &count) != noErr) { return noErr; } Tcl_DStringInit(&command); Tcl_DStringAppend(&command, "::tk::mac::PrintDocument", -1); for (index = 1; index <= count; index++) { - err = ChkErr(AEGetNthPtr, &fileSpecList, index, typeFSRef, &keyword, - &type, (Ptr) &file, sizeof(FSRef), &actual); - if ( err != noErr ) { + if (ChkErr(AEGetNthPtr, &fileSpecList, index, typeFSRef, &keyword, + &type, (Ptr) &file, sizeof(FSRef), &actual) != noErr) { continue; } - err = ChkErr(FSRefToDString, &file, &pathName); - if (err == noErr) { + if (ChkErr(FSRefToDString, &file, &pathName) == noErr) { Tcl_DStringAppendElement(&command, Tcl_DStringValue(&pathName)); Tcl_DStringFree(&pathName); } } - Tcl_EvalEx(interp, Tcl_DStringValue(&command), Tcl_DStringLength(&command), - TCL_EVAL_GLOBAL); - + if (Tcl_EvalEx(interp, Tcl_DStringValue(&command), + Tcl_DStringLength(&command), TCL_EVAL_GLOBAL) != TCL_OK) { + Tcl_BackgroundError(interp); + } Tcl_DStringFree(&command); return noErr; } @@ -472,23 +471,23 @@ PrintHandler( *---------------------------------------------------------------------- */ -OSErr +static OSErr ScriptHandler( - const AppleEvent * event, - AppleEvent * reply, + const AppleEvent *event, + AppleEvent *reply, long handlerRefcon) { OSStatus theErr; AEDescList theDesc; int tclErr = -1; - Tcl_Interp *interp; + Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon; char errString[128]; - interp = (Tcl_Interp *) handlerRefcon; - /* - * The do script event receives one parameter that should be data or a file. + * The do script event receives one parameter that should be data or a + * file. */ + theErr = AEGetParamDesc(event, keyDirectObject, typeWildCard, &theDesc); if (theErr != noErr) { @@ -497,95 +496,98 @@ ScriptHandler( theErr = AEPutParamPtr(reply, keyErrorString, typeChar, errString, strlen(errString)); } else if (MissedAnyParameters(event)) { + /* + * Return error if parameter is missing. + */ + sprintf(errString, "AEDoScriptHandler: extra parameters"); AEPutParamPtr(reply, keyErrorString, typeChar, errString, strlen(errString)); theErr = -1771; - } else { - if (theDesc.descriptorType == (DescType)typeChar) { - Tcl_DString encodedText; - short i; - Size size; - char * data; + } else if (theDesc.descriptorType == (DescType) typeChar) { + /* + * We've had some data sent to us. Evaluate it. + */ - size = AEGetDescDataSize(&theDesc); + Tcl_DString encodedText; + short i; + Size size = AEGetDescDataSize(&theDesc); + char *data = ckalloc(size + 1); - data = (char *)ckalloc(size + 1); - if ( !data ) { - theErr = -1771; - } - else { - AEGetDescData(&theDesc,data,size); - data [ size ] = 0; - for (i = 0; i < size; i++) - if (data[i] == '\r') - data[i] = '\n'; - AEReplaceDescData(theDesc.descriptorType, data, - size + 1, &theDesc); - } - Tcl_ExternalToUtfDString(NULL, data, size, - &encodedText); - tclErr = Tcl_EvalEx(interp, Tcl_DStringValue(&encodedText), - Tcl_DStringLength(&encodedText), TCL_EVAL_GLOBAL); - Tcl_DStringFree(&encodedText); - } else if (theDesc.descriptorType == (DescType)typeAlias) { - Boolean dummy; - FSRef file; - AliasPtr alias; - Size theSize; - - theSize = AEGetDescDataSize(&theDesc); - alias = (AliasPtr) ckalloc(theSize); - if (alias) { - AEGetDescData (&theDesc, alias, theSize); - - theErr = FSResolveAlias(NULL, &alias, - &file, &dummy); - ckfree((char*)alias); - } else { - theErr = memFullErr; + AEGetDescData(&theDesc, data, size); + data[size] = 0; + for (i = 0; i < size; i++) { + if (data[i] == '\r') { + data[i] = '\n'; } + } + AEReplaceDescData(theDesc.descriptorType, data, size + 1, &theDesc); + Tcl_ExternalToUtfDString(NULL, data, size, &encodedText); + tclErr = Tcl_EvalEx(interp, Tcl_DStringValue(&encodedText), + Tcl_DStringLength(&encodedText), TCL_EVAL_GLOBAL); + Tcl_DStringFree(&encodedText); + } else if (theDesc.descriptorType == (DescType) typeAlias) { + /* + * We've had a file sent to us. Source it. + */ + + Boolean dummy; + FSRef file; + Size theSize = AEGetDescDataSize(&theDesc); + AliasPtr alias = (AliasPtr) ckalloc(theSize); + + if (alias) { + AEGetDescData(&theDesc, alias, theSize); + + theErr = FSResolveAlias(NULL, &alias, &file, &dummy); + ckfree((char*)alias); + } else { + theErr = memFullErr; + } + if (theErr == noErr) { + Tcl_DString scriptName; + + theErr = FSRefToDString(&file, &scriptName); if (theErr == noErr) { - Tcl_DString scriptName; - theErr = FSRefToDString(&file, &scriptName); - if (theErr == noErr) { - Tcl_EvalFile(interp, Tcl_DStringValue(&scriptName)); - Tcl_DStringFree(&scriptName); - } - } else { - sprintf(errString, "AEDoScriptHandler: file not found"); - AEPutParamPtr(reply, keyErrorString, typeChar, - errString, strlen(errString)); + Tcl_EvalFile(interp, Tcl_DStringValue(&scriptName)); + Tcl_DStringFree(&scriptName); } } else { - sprintf(errString, - "AEDoScriptHandler: invalid script type '%-4.4s', must be 'alis' or 'TEXT'", - (char *)(&theDesc.descriptorType)); - AEPutParamPtr(reply, keyErrorString, typeChar, - errString, strlen(errString)); - theErr = -1770; + sprintf(errString, "AEDoScriptHandler: file not found"); + AEPutParamPtr(reply, keyErrorString, typeChar, errString, + strlen(errString)); } + } else { + /* + * Umm, don't recognize what we've got... + */ + + sprintf(errString, "AEDoScriptHandler: invalid script type '%-4.4s'," + " must be 'alis' or 'TEXT'", (char*) &theDesc.descriptorType); + AEPutParamPtr(reply, keyErrorString, typeChar, errString, + strlen(errString)); + theErr = -1770; } /* * If we actually go to run Tcl code - put the result in the reply. */ + if (tclErr >= 0) { - if (tclErr == TCL_OK) { - AEPutParamPtr(reply, keyDirectObject, typeChar, - Tcl_GetStringResult(interp), - strlen(Tcl_GetStringResult(interp))); + int reslen; + const char *result = + Tcl_GetStringFromObj(Tcl_GetObjResult(interp), &reslen); + + if (tclErr == TCL_OK) { + AEPutParamPtr(reply, keyDirectObject, typeChar, result, reslen); } else { - AEPutParamPtr(reply, keyErrorString, typeChar, - Tcl_GetStringResult(interp), - strlen(Tcl_GetStringResult(interp))); - AEPutParamPtr(reply, keyErrorNumber, typeInteger, - (Ptr) &tclErr, sizeof(int)); + AEPutParamPtr(reply, keyErrorString, typeChar, result, reslen); + AEPutParamPtr(reply, keyErrorNumber, typeInteger, (Ptr) &tclErr, + sizeof(int)); } } AEDisposeDesc(&theDesc); - return theErr; } @@ -594,8 +596,8 @@ ScriptHandler( * * ReallyKillMe -- * - * This proc tries to kill the shell by running exit, - * called from an event scheduled by the "Quit" AppleEvent handler. + * This proc tries to kill the shell by running exit, called from an + * event scheduled by the "Quit" AppleEvent handler. * * Results: * Runs the "exit" command which might kill the shell. @@ -613,10 +615,14 @@ ReallyKillMe( { Tcl_Interp *interp = ((KillEvent *) eventPtr)->interp; Tcl_CmdInfo dummy; - if (Tcl_GetCommandInfo(interp, "::tk::mac::Quit", &dummy)) { - Tcl_GlobalEval(interp, "::tk::mac::Quit"); - } else { - Tcl_GlobalEval(interp, "exit"); + int quit = Tcl_GetCommandInfo(interp, "::tk::mac::Quit", &dummy); + + if (Tcl_GlobalEval(interp, quit ? "::tk::mac::Quit" : "exit") != TCL_OK) { + /* + * Should be never reached... + */ + + Tcl_BackgroundError(interp); } return 1; } @@ -637,7 +643,7 @@ ReallyKillMe( *---------------------------------------------------------------------- */ -int +static int MissedAnyParameters( const AppleEvent *theEvent) { @@ -646,7 +652,7 @@ MissedAnyParameters( OSStatus err; err = ChkErr(AEGetAttributePtr, theEvent, keyMissedKeywordAttr, - typeWildCard, &returnedType, NULL, 0, &actualSize); + typeWildCard, &returnedType, NULL, 0, &actualSize); return (err != errAEDescNotFound); } @@ -667,7 +673,7 @@ MissedAnyParameters( *---------------------------------------------------------------------- */ -OSStatus +static OSStatus FSRefToDString( const FSRef *fsref, Tcl_DString *ds) @@ -681,3 +687,11 @@ FSRefToDString( } return err; } + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |