diff options
author | donal.k.fellows@manchester.ac.uk <dkf> | 2004-06-15 15:02:53 (GMT) |
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committer | donal.k.fellows@manchester.ac.uk <dkf> | 2004-06-15 15:02:53 (GMT) |
commit | d7576b5ac29e7f05baeb29a182c195ea1b57f982 (patch) | |
tree | 14df7114772e758aa647caa8c3bebe905daa81c0 | |
parent | 40181ecb95d3849d226010eff4531a4c774edc80 (diff) | |
download | tk-d7576b5ac29e7f05baeb29a182c195ea1b57f982.zip tk-d7576b5ac29e7f05baeb29a182c195ea1b57f982.tar.gz tk-d7576b5ac29e7f05baeb29a182c195ea1b57f982.tar.bz2 |
Balance braces, factorize out much #ifdef code and use objects a bit more
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | generic/tkCanvas.c | 303 |
2 files changed, 69 insertions, 238 deletions
@@ -2,6 +2,10 @@ * generic/tkCanvas.c: Make tag search subsystem use symbolic names for type flags for easier maintenance. + (FIRST_CANVAS_ITEM_MATCHING,FOR_EVERY_CANVAS_ITEM_MATCHING): + Factorize out searching idioms into macros to reduce the #ifdef + count and make braces match. + (ScrollFractions): Really create a list Tcl_Obj. 2004-06-12 Anton Kovalenko <a_kovalenko@users.sourceforge.net> diff --git a/generic/tkCanvas.c b/generic/tkCanvas.c index 1b2c744..88fe989 100644 --- a/generic/tkCanvas.c +++ b/generic/tkCanvas.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkCanvas.c,v 1.26 2004/06/15 13:22:18 dkf Exp $ + * RCS: @(#) $Id: tkCanvas.c,v 1.27 2004/06/15 15:02:53 dkf Exp $ */ /* #define USE_OLD_TAG_SEARCH 1 */ @@ -345,6 +345,30 @@ static Tk_ClassProcs canvasClass = { CanvasWorldChanged, /* worldChangedProc */ }; +/* + * Macros that significantly simplify all code that finds items. + */ + +#ifdef USE_OLD_TAG_SEARCH +#define FIRST_CANVAS_ITEM_MATCHING(objPtr,errorExitClause) \ + (itemPtr) = StartTagSearch(canvasPtr,(objPtr),&search) +#define FOR_EVERY_CANVAS_ITEM_MATCHING(objPtr,errorExitClause) \ + for ((itemPtr) = StartTagSearch(canvasPtr, (objPtr), &search); \ + (itemPtr) != NULL; (itemPtr) = NextItem(&search)) +#else /* USE_OLD_TAG_SEARCH */ +#define FIRST_CANVAS_ITEM_MATCHING(objPtr,errorExitClause) \ + if ((result = TagSearchScan(canvasPtr,(objPtr),&searchPtr)) != TCL_OK) { \ + errorExitClause; \ + } \ + itemPtr = TagSearchFirst(searchPtr); +#define FOR_EVERY_CANVAS_ITEM_MATCHING(objPtr,errorExitClause) \ + if ((result = TagSearchScan(canvasPtr,(objPtr),&searchPtr)) != TCL_OK) { \ + errorExitClause; \ + } \ + for (itemPtr = TagSearchFirst(searchPtr); \ + itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) +#endif /* USE_OLD_TAG_SEARCH */ + /* *-------------------------------------------------------------- @@ -597,17 +621,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) } gotAny = 0; for (i = 2; i < objc; i++) { -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[i], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[i], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ - + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[i], goto done) { if ((itemPtr->x1 >= itemPtr->x2) || (itemPtr->y1 >= itemPtr->y2)) { continue; @@ -891,14 +905,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - itemPtr = StartTagSearch(canvasPtr, objv[2], &search); -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - itemPtr = TagSearchFirst(searchPtr); -#endif /* USE_OLD_TAG_SEARCH */ + FIRST_CANVAS_ITEM_MATCHING(objv[2], goto done); if (itemPtr != NULL) { if (objc != 3) { EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr); @@ -1016,16 +1023,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { if ((itemPtr->typePtr->indexProc == NULL) || (itemPtr->typePtr->dCharsProc == NULL)) { continue; @@ -1081,16 +1079,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) Tcl_HashEntry *entryPtr; for (i = 2; i < objc; i++) { -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[i], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[i], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[i], goto done) { EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr); if (canvasPtr->bindingTable != NULL) { Tk_DeleteAllBindings(canvasPtr->bindingTable, @@ -1156,16 +1145,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) } else { tag = Tk_GetUid(Tcl_GetString(objv[2])); } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { for (i = itemPtr->numTags-1; i >= 0; i--) { if (itemPtr->tagPtr[i] == tag) { itemPtr->tagPtr[i] = itemPtr->tagPtr[itemPtr->numTags-1]; @@ -1211,16 +1191,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) canvasPtr->textInfo.focusItemPtr = NULL; goto done; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { if (itemPtr->typePtr->icursorProc != NULL) { break; } @@ -1239,14 +1210,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - itemPtr = StartTagSearch(canvasPtr, objv[2], &search); -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - itemPtr = TagSearchFirst(searchPtr); -#endif /* USE_OLD_TAG_SEARCH */ + FIRST_CANVAS_ITEM_MATCHING(objv[2], goto done); if (itemPtr != NULL) { int i; for (i = 0; i < itemPtr->numTags; i++) { @@ -1262,16 +1226,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { if ((itemPtr->typePtr->indexProc == NULL) || (itemPtr->typePtr->icursorProc == NULL)) { goto done; @@ -1294,6 +1249,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) } } break; + } case CANV_INDEX: { int index; char buf[TCL_INTEGER_SPACE]; @@ -1303,24 +1259,11 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { - if (itemPtr->typePtr->indexProc != NULL) { - break; - } - } -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { if (itemPtr->typePtr->indexProc != NULL) { break; } } -#endif /* USE_OLD_TAG_SEARCH */ if (itemPtr == NULL) { Tcl_AppendResult(interp, "can't find an indexable item \"", Tcl_GetString(objv[2]), "\"", (char *) NULL); @@ -1350,16 +1293,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { if ((itemPtr->typePtr->indexProc == NULL) || (itemPtr->typePtr->insertProc == NULL)) { continue; @@ -1408,14 +1342,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - itemPtr = StartTagSearch(canvasPtr, objv[2], &search); -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - itemPtr = TagSearchFirst(searchPtr); -#endif /* USE_OLD_TAG_SEARCH */ + FIRST_CANVAS_ITEM_MATCHING(objv[2], goto done); if (itemPtr != NULL) { result = Tk_ConfigureValue(canvasPtr->interp, canvasPtr->tkwin, itemPtr->typePtr->configSpecs, (char *) itemPtr, @@ -1428,16 +1355,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { if (objc == 3) { result = Tk_ConfigureInfo(canvasPtr->interp, canvasPtr->tkwin, itemPtr->typePtr->configSpecs, (char *) itemPtr, @@ -1484,14 +1402,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) if (objc == 3) { itemPtr = NULL; } else { -#ifdef USE_OLD_TAG_SEARCH - itemPtr = StartTagSearch(canvasPtr, objv[3], &search); -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[3], &searchPtr)) != TCL_OK) { - goto done; - } - itemPtr = TagSearchFirst(searchPtr); -#endif /* USE_OLD_TAG_SEARCH */ + FIRST_CANVAS_ITEM_MATCHING(objv[3], goto done); if (itemPtr == NULL) { Tcl_AppendResult(interp, "tag \"", Tcl_GetString(objv[3]), "\" doesn't match any items", (char *) NULL); @@ -1522,16 +1433,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr); (void) (*itemPtr->typePtr->translateProc)((Tk_Canvas) canvasPtr, itemPtr, xAmount, yAmount); @@ -1544,7 +1446,9 @@ CanvasWidgetCmd(clientData, interp, objc, objv) CONST char **args = TkGetStringsFromObjs(objc, objv); result = TkCanvPostscriptCmd(canvasPtr, interp, objc, args); - if (args) ckfree((char *) args); + if (args) { + ckfree((char *) args); + } break; } case CANV_RAISE: { @@ -1565,16 +1469,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) prevPtr = canvasPtr->lastItemPtr; } else { prevPtr = NULL; -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[3], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[3], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[3], goto done) { prevPtr = itemPtr; } if (prevPtr == NULL) { @@ -1616,16 +1511,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[2], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[2], goto done) { EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr); (void) (*itemPtr->typePtr->scaleProc)((Tk_Canvas) canvasPtr, itemPtr, xOrigin, yOrigin, xScale, yScale); @@ -1693,16 +1579,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) goto done; } if (objc >= 4) { -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, objv[3], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[3], &searchPtr)) != TCL_OK) { - goto done; - } - for (itemPtr = TagSearchFirst(searchPtr); - itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(objv[3], goto done) { if ((itemPtr->typePtr->indexProc != NULL) && (itemPtr->typePtr->selectionProc != NULL)){ break; @@ -1802,14 +1679,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv) result = TCL_ERROR; goto done; } -#ifdef USE_OLD_TAG_SEARCH - itemPtr = StartTagSearch(canvasPtr, objv[2], &search); -#else /* USE_OLD_TAG_SEARCH */ - if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) { - goto done; - } - itemPtr = TagSearchFirst(searchPtr); -#endif /* USE_OLD_TAG_SEARCH */ + FIRST_CANVAS_ITEM_MATCHING(objv[2], goto done); if (itemPtr != NULL) { Tcl_SetResult(interp, itemPtr->typePtr->name, TCL_STATIC); } @@ -3034,7 +2904,7 @@ TagSearchExpr **exprPtrPtr; expr->length = 0; *exprPtrPtr = expr; } - + /* *-------------------------------------------------------------- * @@ -3047,7 +2917,7 @@ TagSearchExpr **exprPtrPtr; * Side effects: * *-------------------------------------------------------------- - */ + */ static void TagSearchExprDestroy(expr) @@ -3060,7 +2930,7 @@ TagSearchExprDestroy(expr) ckfree((char *)expr); } } - + /* *-------------------------------------------------------------- * @@ -4004,20 +3874,9 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr) Tcl_WrongNumArgs(interp, first+1, argv, "tagOrId"); return TCL_ERROR; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, argv[first+1], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { + FOR_EVERY_CANVAS_ITEM_MATCHING(argv[first+1], return TCL_ERROR) { lastPtr = itemPtr; } -#else /* USE_OLD_TAG_SEARCH */ - if (TagSearchScan(canvasPtr, argv[first+1], searchPtrPtr) != TCL_OK) { - return TCL_ERROR; - } - for (itemPtr = TagSearchFirst(*searchPtrPtr); - itemPtr != NULL; itemPtr = TagSearchNext(*searchPtrPtr)) { - lastPtr = itemPtr; - } -#endif /* USE_OLD_TAG_SEARCH */ if ((lastPtr != NULL) && (lastPtr->nextPtr != NULL)) { DoItem(interp, lastPtr->nextPtr, uid); } @@ -4042,14 +3901,7 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr) Tcl_WrongNumArgs(interp, first+1, argv, "tagOrId"); return TCL_ERROR; } -#ifdef USE_OLD_TAG_SEARCH - itemPtr = StartTagSearch(canvasPtr, argv[first+1], &search); -#else /* USE_OLD_TAG_SEARCH */ - if (TagSearchScan(canvasPtr, argv[first+1], searchPtrPtr) != TCL_OK) { - return TCL_ERROR; - } - itemPtr = TagSearchFirst(*searchPtrPtr); -#endif /* USE_OLD_TAG_SEARCH */ + FIRST_CANVAS_ITEM_MATCHING(argv[first+1], return TCL_ERROR); if (itemPtr != NULL) { if (itemPtr->prevPtr != NULL) { DoItem(interp, itemPtr->prevPtr, uid); @@ -4092,14 +3944,7 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr) startPtr = canvasPtr->firstItemPtr; if (argc == first+5) { -#ifdef USE_OLD_TAG_SEARCH - itemPtr = StartTagSearch(canvasPtr, argv[first+4], &search); -#else /* USE_OLD_TAG_SEARCH */ - if (TagSearchScan(canvasPtr, argv[first+4], searchPtrPtr) != TCL_OK) { - return TCL_ERROR; - } - itemPtr = TagSearchFirst(*searchPtrPtr); -#endif /* USE_OLD_TAG_SEARCH */ + FIRST_CANVAS_ITEM_MATCHING(argv[first+4], return TCL_ERROR); if (itemPtr != NULL) { startPtr = itemPtr; } @@ -4195,20 +4040,9 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr) Tcl_WrongNumArgs(interp, first+1, argv, "tagOrId"); return TCL_ERROR; } -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, argv[first+1], &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { + FOR_EVERY_CANVAS_ITEM_MATCHING(argv[first+1], return TCL_ERROR) { DoItem(interp, itemPtr, uid); } -#else /* USE_OLD_TAG_SEARCH */ - if (TagSearchScan(canvasPtr, argv[first+1], searchPtrPtr) != TCL_OK) { - return TCL_ERROR; - } - for (itemPtr = TagSearchFirst(*searchPtrPtr); - itemPtr != NULL; itemPtr = TagSearchNext(*searchPtrPtr)) { - DoItem(interp, itemPtr, uid); - } -#endif /* USE_OLD_TAG_SEARCH */ } return TCL_OK; } @@ -4352,16 +4186,7 @@ RelinkItems(canvasPtr, tag, prevPtr, searchPtrPtr) */ firstMovePtr = lastMovePtr = NULL; -#ifdef USE_OLD_TAG_SEARCH - for (itemPtr = StartTagSearch(canvasPtr, tag, &search); - itemPtr != NULL; itemPtr = NextItem(&search)) { -#else /* USE_OLD_TAG_SEARCH */ - if (TagSearchScan(canvasPtr, tag, searchPtrPtr) != TCL_OK) { - return TCL_ERROR; - } - for (itemPtr = TagSearchFirst(*searchPtrPtr); - itemPtr != NULL; itemPtr = TagSearchNext(*searchPtrPtr)) { -#endif /* USE_OLD_TAG_SEARCH */ + FOR_EVERY_CANVAS_ITEM_MATCHING(tag, return TCL_ERROR) { if (itemPtr == prevPtr) { /* * Item after which insertion is to occur is being @@ -4698,10 +4523,11 @@ PickCurrentItem(canvasPtr, eventPtr) if ((itemPtr == canvasPtr->currentItemPtr) && !buttonDown) { for (i = itemPtr->numTags-1; i >= 0; i--) { #ifdef USE_OLD_TAG_SEARCH - if (itemPtr->tagPtr[i] == Tk_GetUid("current")) { + if (itemPtr->tagPtr[i] == Tk_GetUid("current")) #else /* USE_OLD_TAG_SEARCH */ - if (itemPtr->tagPtr[i] == currentUid) { + if (itemPtr->tagPtr[i] == currentUid) #endif /* USE_OLD_TAG_SEARCH */ + /* then */ { itemPtr->tagPtr[i] = itemPtr->tagPtr[itemPtr->numTags-1]; itemPtr->numTags--; break; @@ -5223,9 +5049,9 @@ GridAlign(coord, spacing) * is used for both x and y scrolling. * * Results: - * The memory pointed to by string is modified to hold - * two real numbers containing the scroll fractions (between - * 0 and 1) corresponding to the other arguments. + * A List Tcl_Obj with two real numbers (Double Tcl_Objs) + * containing the scroll fractions (between 0 and 1) + * corresponding to the other arguments. * * Side effects: * None. @@ -5240,8 +5066,8 @@ ScrollFractions(screen1, screen2, object1, object2) int object1; /* Lowest coordinate in the object. */ int object2; /* Highest coordinate in the object. */ { + Tcl_Obj *buffer[2]; double range, f1, f2; - char buffer[2*TCL_DOUBLE_SPACE+2]; range = object2 - object1; if (range <= 0) { @@ -5260,8 +5086,9 @@ ScrollFractions(screen1, screen2, object1, object2) f2 = f1; } } - sprintf(buffer, "%g %g", f1, f2); - return Tcl_NewStringObj(buffer, -1); + buffer[0] = Tcl_NewDoubleObj(f1); + buffer[1] = Tcl_NewDoubleObj(f2); + return Tcl_NewListObj(2, buffer); } /* |