diff options
Diffstat (limited to 'generic/tkBind.c')
| -rw-r--r-- | generic/tkBind.c | 214 |
1 files changed, 119 insertions, 95 deletions
diff --git a/generic/tkBind.c b/generic/tkBind.c index e58ad4d..7126e24 100644 --- a/generic/tkBind.c +++ b/generic/tkBind.c @@ -620,7 +620,7 @@ static PatSeq * FindSequence(Tcl_Interp *interp, static void GetAllVirtualEvents(Tcl_Interp *interp, VirtualEventTable *vetPtr); static char * GetField(char *p, char *copy, int size); -static void GetPatternString(PatSeq *psPtr, Tcl_DString *dsPtr); +static Tcl_Obj * GetPatternObj(PatSeq *psPtr); static int GetVirtualEvent(Tcl_Interp *interp, VirtualEventTable *vetPtr, Tcl_Obj *virtName); static Tk_Uid GetVirtualEventUid(Tcl_Interp *interp, @@ -1094,13 +1094,14 @@ Tk_GetAllBindings( { PatSeq *psPtr; Tcl_HashEntry *hPtr; - Tcl_DString ds; + Tcl_Obj *resultObj; hPtr = Tcl_FindHashEntry(&bindPtr->objectTable, (char *) object); if (hPtr == NULL) { return; } - Tcl_DStringInit(&ds); + + resultObj = Tcl_NewObj(); for (psPtr = Tcl_GetHashValue(hPtr); psPtr != NULL; psPtr = psPtr->nextObjPtr) { /* @@ -1108,11 +1109,9 @@ Tk_GetAllBindings( * its sequence. */ - Tcl_DStringSetLength(&ds, 0); - GetPatternString(psPtr, &ds); - Tcl_AppendElement(interp, Tcl_DStringValue(&ds)); + Tcl_ListObjAppendElement(NULL, resultObj, GetPatternObj(psPtr)); } - Tcl_DStringFree(&ds); + Tcl_SetObjResult(interp, resultObj); } /* @@ -1223,7 +1222,8 @@ Tk_BindEvent( PatSeq *vMatchDetailList, *vMatchNoDetailList; int flags, oldScreen; Tcl_Interp *interp; - Tcl_DString scripts, savedResult; + Tcl_DString scripts; + Tcl_InterpState interpState; Detail detail; char *p, *end; TkWindow *winPtr = (TkWindow *) tkwin; @@ -1453,14 +1453,13 @@ Tk_BindEvent( */ interp = bindPtr->interp; - Tcl_DStringInit(&savedResult); /* * Save information about the current screen, then invoke a script if the * screen has changed. */ - Tcl_DStringGetResult(interp, &savedResult); + interpState = Tcl_SaveInterpState(interp, TCL_OK); screenPtr = &bindInfoPtr->screenInfo; oldDispPtr = screenPtr->curDispPtr; oldScreen = screenPtr->curScreenIndex; @@ -1475,7 +1474,7 @@ Tk_BindEvent( end = p + Tcl_DStringLength(&scripts); /* - * Be carefule when dereferencing screenPtr or bindInfoPtr. If we evaluate + * Be careful when dereferencing screenPtr or bindInfoPtr. If we evaluate * something that destroys ".", bindInfoPtr would have been freed, but we * can tell that by first checking to see if winPtr->mainPtr == NULL. */ @@ -1523,7 +1522,7 @@ Tk_BindEvent( screenPtr->curScreenIndex = oldScreen; ChangeScreen(interp, oldDispPtr->name, oldScreen); } - Tcl_DStringResult(interp, &savedResult); + (void) Tcl_RestoreInterpState(interp, interpState); Tcl_DStringFree(&scripts); Tcl_Release(bindInfoPtr); @@ -2771,10 +2770,10 @@ GetVirtualEvent( Tcl_Obj *virtName) /* String describing virtual event. */ { Tcl_HashEntry *vhPtr; - Tcl_DString ds; int iPhys; PhysicalsOwned *poPtr; Tk_Uid virtUid; + Tcl_Obj *resultObj; virtUid = GetVirtualEventUid(interp, Tcl_GetString(virtName)); if (virtUid == NULL) { @@ -2786,15 +2785,13 @@ GetVirtualEvent( return TCL_OK; } - Tcl_DStringInit(&ds); - + resultObj = Tcl_NewObj(); poPtr = Tcl_GetHashValue(vhPtr); for (iPhys = 0; iPhys < poPtr->numOwned; iPhys++) { - Tcl_DStringSetLength(&ds, 0); - GetPatternString(poPtr->patSeqs[iPhys], &ds); - Tcl_AppendElement(interp, Tcl_DStringValue(&ds)); + Tcl_ListObjAppendElement(NULL, resultObj, + GetPatternObj(poPtr->patSeqs[iPhys])); } - Tcl_DStringFree(&ds); + Tcl_SetObjResult(interp, resultObj); return TCL_OK; } @@ -2824,20 +2821,15 @@ GetAllVirtualEvents( { Tcl_HashEntry *hPtr; Tcl_HashSearch search; - Tcl_DString ds; - - Tcl_DStringInit(&ds); + Tcl_Obj *resultObj; + resultObj = Tcl_NewObj(); hPtr = Tcl_FirstHashEntry(&vetPtr->nameTable, &search); for ( ; hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) { - Tcl_DStringSetLength(&ds, 0); - Tcl_DStringAppend(&ds, "<<", 2); - Tcl_DStringAppend(&ds, Tcl_GetHashKey(hPtr->tablePtr, hPtr), -1); - Tcl_DStringAppend(&ds, ">>", 2); - Tcl_AppendElement(interp, Tcl_DStringValue(&ds)); + Tcl_ListObjAppendElement(NULL, resultObj, Tcl_ObjPrintf( + "<<%s>>", (char *) Tcl_GetHashKey(hPtr->tablePtr, hPtr))); } - - Tcl_DStringFree(&ds); + Tcl_SetObjResult(interp, resultObj); } /* @@ -2924,8 +2916,11 @@ HandleEventGenerate( mainPtr = (TkWindow *) mainWin; if ((tkwin == NULL) || (mainPtr->mainPtr != ((TkWindow *) tkwin)->mainPtr)) { - Tcl_AppendResult(interp, "window id \"", Tcl_GetString(objv[0]), - "\" doesn't exist in this application", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "window id \"%s\" doesn't exist in this application", + Tcl_GetString(objv[0]))); + Tcl_SetErrorCode(interp, "TK", "LOOKUP", "WINDOW", + Tcl_GetString(objv[0]), NULL); return TCL_ERROR; } @@ -2939,13 +2934,15 @@ HandleEventGenerate( return TCL_ERROR; } if (count != 1) { - Tcl_SetResult(interp, "Double or Triple modifier not allowed", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "Double or Triple modifier not allowed", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "BAD_MODIFIER", NULL); return TCL_ERROR; } if (*p != '\0') { - Tcl_SetResult(interp, "only one event specification allowed", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "only one event specification allowed", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "MULTIPLE", NULL); return TCL_ERROR; } @@ -3021,8 +3018,9 @@ HandleEventGenerate( * is missing. */ - Tcl_AppendResult(interp, "value for \"", Tcl_GetString(optionPtr), - "\" missing", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "value for \"%s\" missing", Tcl_GetString(optionPtr))); + Tcl_SetErrorCode(interp, "TK", "EVENT", "MISSING_VALUE", NULL); return TCL_ERROR; } @@ -3163,15 +3161,19 @@ HandleEventGenerate( value = Tcl_GetString(valuePtr); keysym = TkStringToKeysym(value); if (keysym == NoSymbol) { - Tcl_AppendResult(interp, "unknown keysym \"", value, "\"", + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "unknown keysym \"%s\"", value)); + Tcl_SetErrorCode(interp, "TK", "LOOKUP", "KEYSYM", value, NULL); return TCL_ERROR; } TkpSetKeycodeAndState(tkwin, keysym, &event.general); if (event.general.xkey.keycode == 0) { - Tcl_AppendResult(interp, "no keycode for keysym \"", value, - "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "no keycode for keysym \"%s\"", value)); + Tcl_SetErrorCode(interp, "TK", "LOOKUP", "KEYCODE", value, + NULL); return TCL_ERROR; } if (!(flags & KEY) @@ -3400,8 +3402,10 @@ HandleEventGenerate( continue; badopt: - Tcl_AppendResult(interp, name, " event doesn't accept \"", - Tcl_GetString(optionPtr), "\" option", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "%s event doesn't accept \"%s\" option", + name, Tcl_GetString(optionPtr))); + Tcl_SetErrorCode(interp, "TK", "EVENT", "BAD_OPTION", NULL); return TCL_ERROR; } @@ -3495,7 +3499,9 @@ NameToWindow( return TCL_OK; badWindow: - Tcl_AppendResult(interp, "bad window name/identifier \"",name,"\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "bad window name/identifier \"%s\"", name)); + Tcl_SetErrorCode(interp, "TK", "LOOKUP", "WINDOW_ID", name, NULL); return TCL_ERROR; } @@ -3558,8 +3564,9 @@ GetVirtualEventUid( if (length < 5 || virtString[0] != '<' || virtString[1] != '<' || virtString[length - 2] != '>' || virtString[length - 1] != '>') { - Tcl_AppendResult(interp, "virtual event \"", virtString, - "\" is badly formed", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "virtual event \"%s\" is badly formed", virtString)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "VIRTUAL", "MALFORMED", NULL); return NULL; } virtString[length - 2] = '\0'; @@ -3651,9 +3658,11 @@ FindSequence( if (eventMask & VirtualEventMask) { if (allowVirtual == 0) { - Tcl_SetResult(interp, + Tcl_SetObjResult(interp, Tcl_NewStringObj( "virtual event not allowed in definition of another virtual event", - TCL_STATIC); + -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "VIRTUAL", "INNER", + NULL); return NULL; } virtualFound = 1; @@ -3679,12 +3688,16 @@ FindSequence( */ if (numPats == 0) { - Tcl_SetResult(interp, "no events specified in binding", TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "no events specified in binding", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "NO_EVENTS", NULL); return NULL; } if ((numPats > 1) && (virtualFound != 0)) { - Tcl_SetResult(interp, "virtual events may not be composed", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "virtual events may not be composed", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "VIRTUAL", "COMPOSITION", + NULL); return NULL; } @@ -3804,6 +3817,7 @@ ParseEventDescription( } else { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "bad ASCII character 0x%x", UCHAR(*p))); + Tcl_SetErrorCode(interp, "TK", "EVENT", "BAD_CHAR", NULL); count = 0; goto done; } @@ -3844,14 +3858,18 @@ ParseEventDescription( p = strchr(field, '>'); if (p == field) { - Tcl_SetResult(interp, "virtual event \"<<>>\" is badly formed", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "virtual event \"<<>>\" is badly formed", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "VIRTUAL", "MALFORMED", + NULL); count = 0; goto done; } if ((p == NULL) || (p[1] != '>')) { - Tcl_SetResult(interp, "missing \">\" in virtual binding", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "missing \">\" in virtual binding", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "VIRTUAL", "MALFORMED", + NULL); count = 0; goto done; } @@ -3917,9 +3935,11 @@ ParseEventDescription( eventMask = ButtonPressMask; } else if (eventFlags & KEY) { goto getKeysym; - } else if ((eventFlags & BUTTON) == 0) { - Tcl_AppendResult(interp, "specified button \"", field, - "\" for non-button event", NULL); + } else if (!(eventFlags & BUTTON)) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "specified button \"%s\" for non-button event", + field)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "NON_BUTTON", NULL); count = 0; goto done; } @@ -3929,24 +3949,28 @@ ParseEventDescription( getKeysym: patPtr->detail.keySym = TkStringToKeysym(field); if (patPtr->detail.keySym == NoSymbol) { - Tcl_AppendResult(interp, "bad event type or keysym \"", - field, "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "bad event type or keysym \"%s\"", field)); + Tcl_SetErrorCode(interp, "TK", "LOOKUP", "KEYSYM", field, + NULL); count = 0; goto done; } if (eventFlags == 0) { patPtr->eventType = KeyPress; eventMask = KeyPressMask; - } else if ((eventFlags & KEY) == 0) { - Tcl_AppendResult(interp, "specified keysym \"", field, - "\" for non-key event", NULL); + } else if (!(eventFlags & KEY)) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "specified keysym \"%s\" for non-key event", field)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "NON_KEY", NULL); count = 0; goto done; } } } else if (eventFlags == 0) { - Tcl_SetResult(interp, "no event type or button # or keysym", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "no event type or button # or keysym", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "UNMODIFIABLE", NULL); count = 0; goto done; } @@ -3958,14 +3982,16 @@ ParseEventDescription( while (*p != '\0') { p++; if (*p == '>') { - Tcl_SetResult(interp, - "extra characters after detail in binding", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "extra characters after detail in binding", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "PAST_DETAIL", NULL); count = 0; goto done; } } - Tcl_SetResult(interp, "missing \">\" in binding", TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "missing \">\" in binding", -1)); + Tcl_SetErrorCode(interp, "TK", "EVENT", "MALFORMED", NULL); count = 0; goto done; } @@ -4020,31 +4046,30 @@ GetField( /* *--------------------------------------------------------------------------- * - * GetPatternString -- + * GetPatternObj -- * * Produce a string version of the given event, for displaying to the * user. * * Results: - * The string is left in dsPtr. + * The string is returned as a Tcl_Obj. * * Side effects: - * It is the caller's responsibility to initialize the DString before and - * to free it after calling this function. + * It is the caller's responsibility to arrange for the object to be + * released; it starts with a refCount of zero. * *--------------------------------------------------------------------------- */ -static void -GetPatternString( - PatSeq *psPtr, - Tcl_DString *dsPtr) +static Tcl_Obj * +GetPatternObj( + PatSeq *psPtr) { Pattern *patPtr; - char c, buffer[TCL_INTEGER_SPACE]; int patsLeft, needMods; const ModInfo *modPtr; const EventInfo *eiPtr; + Tcl_Obj *patternObj = Tcl_NewObj(); /* * The order of the patterns in the sequence is backwards from the order @@ -4058,14 +4083,15 @@ GetPatternString( */ if ((patPtr->eventType == KeyPress) - && ((psPtr->flags & PAT_NEARBY) == 0) + && !(psPtr->flags & PAT_NEARBY) && (patPtr->needMods == 0) && (patPtr->detail.keySym < 128) && isprint(UCHAR(patPtr->detail.keySym)) && (patPtr->detail.keySym != '<') && (patPtr->detail.keySym != ' ')) { - c = (char) patPtr->detail.keySym; - Tcl_DStringAppend(dsPtr, &c, 1); + char c = (char) patPtr->detail.keySym; + + Tcl_AppendToObj(patternObj, &c, 1); continue; } @@ -4074,9 +4100,7 @@ GetPatternString( */ if (patPtr->eventType == VirtualEvent) { - Tcl_DStringAppend(dsPtr, "<<", 2); - Tcl_DStringAppend(dsPtr, patPtr->detail.name, -1); - Tcl_DStringAppend(dsPtr, ">>", 2); + Tcl_AppendPrintfToObj(patternObj, "<<%s>>", patPtr->detail.name); continue; } @@ -4086,7 +4110,7 @@ GetPatternString( * or button detail. */ - Tcl_DStringAppend(dsPtr, "<", 1); + Tcl_AppendToObj(patternObj, "<", 1); if ((psPtr->flags & PAT_NEARBY) && (patsLeft > 1) && (memcmp(patPtr, patPtr-1, sizeof(Pattern)) == 0)) { @@ -4100,12 +4124,12 @@ GetPatternString( (memcmp(patPtr, patPtr-1, sizeof(Pattern)) == 0)) { patsLeft--; patPtr--; - Tcl_DStringAppend(dsPtr, "Quadruple-", 10); + Tcl_AppendToObj(patternObj, "Quadruple-", 10); } else { - Tcl_DStringAppend(dsPtr, "Triple-", 7); + Tcl_AppendToObj(patternObj, "Triple-", 7); } } else { - Tcl_DStringAppend(dsPtr, "Double-", 7); + Tcl_AppendToObj(patternObj, "Double-", 7); } } @@ -4113,16 +4137,15 @@ GetPatternString( needMods != 0; modPtr++) { if (modPtr->mask & needMods) { needMods &= ~modPtr->mask; - Tcl_DStringAppend(dsPtr, modPtr->name, -1); - Tcl_DStringAppend(dsPtr, "-", 1); + Tcl_AppendPrintfToObj(patternObj, "%s-", modPtr->name); } } for (eiPtr = eventArray; eiPtr->name != NULL; eiPtr++) { if (eiPtr->type == patPtr->eventType) { - Tcl_DStringAppend(dsPtr, eiPtr->name, -1); + Tcl_AppendToObj(patternObj, eiPtr->name, -1); if (patPtr->detail.clientData != 0) { - Tcl_DStringAppend(dsPtr, "-", 1); + Tcl_AppendToObj(patternObj, "-", 1); } break; } @@ -4134,16 +4157,17 @@ GetPatternString( const char *string = TkKeysymToString(patPtr->detail.keySym); if (string != NULL) { - Tcl_DStringAppend(dsPtr, string, -1); + Tcl_AppendToObj(patternObj, string, -1); } } else { - sprintf(buffer, "%d", patPtr->detail.button); - Tcl_DStringAppend(dsPtr, buffer, -1); + Tcl_AppendPrintfToObj(patternObj, "%d", patPtr->detail.button); } } - Tcl_DStringAppend(dsPtr, ">", 1); + Tcl_AppendToObj(patternObj, ">", 1); } + + return patternObj; } /* |