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authordkf <donal.k.fellows@manchester.ac.uk>2004-06-15 13:22:18 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2004-06-15 13:22:18 (GMT)
commit6621f67c3b4871b6203fb15a80fb945ba05dad25 (patch)
treef4406ceba32d2228f8a5378039f5fe505dadfa81
parent68546b84e7341284563fa54c3888e70a0e7098c2 (diff)
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Spacing/whitespace fixes
-rw-r--r--generic/tkCanvas.c1549
1 files changed, 770 insertions, 779 deletions
diff --git a/generic/tkCanvas.c b/generic/tkCanvas.c
index 0244c55..1b2c744 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 1.25 2004/06/15 10:15:25 dkf Exp $
+ * RCS: @(#) $Id: tkCanvas.c,v 1.26 2004/06/15 13:22:18 dkf Exp $
*/
/* #define USE_OLD_TAG_SEARCH 1 */
@@ -571,7 +571,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
result = TCL_OK;
switch ((enum options) index) {
- case CANV_ADDTAG: {
+ case CANV_ADDTAG:
if (objc < 4) {
Tcl_WrongNumArgs(interp, 2, objv, "tag searchCommand ?arg arg ...?");
result = TCL_ERROR;
@@ -583,9 +583,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
result = FindItems(interp, canvasPtr, objc, objv, objv[2], 3, &searchPtr);
#endif /* USE_OLD_TAG_SEARCH */
break;
- }
- case CANV_BBOX: {
+ case CANV_BBOX: {
int i, gotAny;
int x1 = 0, y1 = 0, x2 = 0, y2 = 0; /* Initializations needed
* only to prevent compiler
@@ -642,8 +641,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
Tcl_SetResult(interp, buf, TCL_VOLATILE);
}
break;
- }
- case CANV_BIND: {
+ }
+ case CANV_BIND: {
ClientData object;
if ((objc < 3) || (objc > 5)) {
@@ -720,18 +719,18 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
if (objc == 5) {
int append = 0;
unsigned long mask;
- char* argv4 = Tcl_GetStringFromObj(objv[4],NULL);
+ char* argv4 = Tcl_GetString(objv[4]);
if (argv4[0] == 0) {
result = Tk_DeleteBinding(interp, canvasPtr->bindingTable,
- object, Tcl_GetStringFromObj(objv[3], NULL));
+ object, Tcl_GetString(objv[3]));
goto done;
}
#ifndef USE_OLD_TAG_SEARCH
if (searchPtr->type == SEARCH_TYPE_EXPR) {
- /*
- * if new tag expression, then insert in linked list
- */
+ /*
+ * if new tag expression, then insert in linked list
+ */
TagSearchExpr *expr, **lastPtr;
lastPtr = &(canvasPtr->bindTagExprs);
@@ -754,14 +753,14 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
*/
searchPtr->expr = NULL;
}
- }
+ }
#endif /* not USE_OLD_TAG_SEARCH */
if (argv4[0] == '+') {
argv4++;
append = 1;
}
mask = Tk_CreateBinding(interp, canvasPtr->bindingTable,
- object, Tcl_GetStringFromObj(objv[3],NULL), argv4, append);
+ object, Tcl_GetString(objv[3]), argv4, append);
if (mask == 0) {
result = TCL_ERROR;
goto done;
@@ -772,7 +771,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
|EnterWindowMask|LeaveWindowMask|KeyPressMask
|KeyReleaseMask|PointerMotionMask|VirtualEventMask)) {
Tk_DeleteBinding(interp, canvasPtr->bindingTable,
- object, Tcl_GetStringFromObj(objv[3], NULL));
+ object, Tcl_GetString(objv[3]));
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, "requested illegal events; ",
"only key, button, motion, enter, leave, and virtual ",
@@ -784,7 +783,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
CONST char *command;
command = Tk_GetBinding(interp, canvasPtr->bindingTable,
- object, Tcl_GetStringFromObj(objv[3], NULL));
+ object, Tcl_GetString(objv[3]));
if (command == NULL) {
CONST char *string;
@@ -808,8 +807,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
Tk_GetAllBindings(interp, canvasPtr->bindingTable, object);
}
break;
- }
- case CANV_CANVASX: {
+ }
+ case CANV_CANVASX: {
int x;
double grid;
char buf[TCL_DOUBLE_SPACE];
@@ -836,8 +835,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
Tcl_PrintDouble(interp, GridAlign((double) x, grid), buf);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
break;
- }
- case CANV_CANVASY: {
+ }
+ case CANV_CANVASY: {
int y;
double grid;
char buf[TCL_DOUBLE_SPACE];
@@ -864,8 +863,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
Tcl_PrintDouble(interp, GridAlign((double) y, grid), buf);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
break;
- }
- case CANV_CGET: {
+ }
+ case CANV_CGET:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "option");
result = TCL_ERROR;
@@ -874,8 +873,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
result = Tk_ConfigureValue(interp, canvasPtr->tkwin, configSpecs,
(char *) canvasPtr, Tcl_GetString(objv[2]), 0);
break;
- }
- case CANV_CONFIGURE: {
+ case CANV_CONFIGURE:
if (objc == 2) {
result = Tk_ConfigureInfo(interp, canvasPtr->tkwin, configSpecs,
(char *) canvasPtr, (char *) NULL, 0);
@@ -887,8 +885,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
TK_CONFIG_ARGV_ONLY);
}
break;
- }
- case CANV_COORDS: {
+ case CANV_COORDS:
if (objc < 3) {
Tcl_WrongNumArgs(interp, 2, objv, "tagOrId ?x y x y ...?");
result = TCL_ERROR;
@@ -907,23 +904,25 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr);
}
if (itemPtr->typePtr->coordProc != NULL) {
- if (itemPtr->typePtr->alwaysRedraw & TK_CONFIG_OBJS) {
- result = (*itemPtr->typePtr->coordProc)(interp,
- (Tk_Canvas) canvasPtr, itemPtr, objc-3, objv+3);
- } else {
- CONST char **args = TkGetStringsFromObjs(objc-3, objv+3);
- result = (*itemPtr->typePtr->coordProc)(interp,
- (Tk_Canvas) canvasPtr, itemPtr, objc-3, (Tcl_Obj **) args);
- if (args) ckfree((char *) args);
- }
+ if (itemPtr->typePtr->alwaysRedraw & TK_CONFIG_OBJS) {
+ result = (*itemPtr->typePtr->coordProc)(interp,
+ (Tk_Canvas) canvasPtr, itemPtr, objc-3, objv+3);
+ } else {
+ CONST char **args = TkGetStringsFromObjs(objc-3, objv+3);
+ result = (*itemPtr->typePtr->coordProc)(interp,
+ (Tk_Canvas) canvasPtr, itemPtr, objc-3,
+ (Tcl_Obj **) args);
+ if (args) {
+ ckfree((char *) args);
+ }
+ }
}
if (objc != 3) {
EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr);
}
}
break;
- }
- case CANV_CREATE: {
+ case CANV_CREATE: {
Tk_ItemType *typePtr;
Tk_ItemType *matchPtr = NULL;
Tk_Item *itemPtr;
@@ -1007,8 +1006,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
sprintf(buf, "%d", itemPtr->id);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
break;
- }
- case CANV_DCHARS: {
+ }
+ case CANV_DCHARS: {
int first, last;
int x1,x2,y1,y2;
@@ -1036,7 +1035,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr, (char *) objv[3], &first);
} else {
result = itemPtr->typePtr->indexProc(interp, (Tk_Canvas) canvasPtr,
- itemPtr, Tcl_GetStringFromObj(objv[3], NULL), &first);
+ itemPtr, Tcl_GetString(objv[3]), &first);
}
if (result != TCL_OK) {
goto done;
@@ -1047,7 +1046,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr, (char *) objv[4], &last);
} else {
result = itemPtr->typePtr->indexProc(interp, (Tk_Canvas) canvasPtr,
- itemPtr, Tcl_GetStringFromObj(objv[4], NULL), &last);
+ itemPtr, Tcl_GetString(objv[4]), &last);
}
if (result != TCL_OK) {
goto done;
@@ -1076,8 +1075,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr->redraw_flags &= ~TK_ITEM_DONT_REDRAW;
}
break;
- }
- case CANV_DELETE: {
+ }
+ case CANV_DELETE: {
int i;
Tcl_HashEntry *entryPtr;
@@ -1142,8 +1141,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
}
}
break;
- }
- case CANV_DTAG: {
+ }
+ case CANV_DTAG: {
Tk_Uid tag;
int i;
@@ -1153,19 +1152,19 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
goto done;
}
if (objc == 4) {
- tag = Tk_GetUid(Tcl_GetStringFromObj(objv[3], NULL));
+ tag = Tk_GetUid(Tcl_GetString(objv[3]));
} else {
- tag = Tk_GetUid(Tcl_GetStringFromObj(objv[2], NULL));
+ 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)) {
+ 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 (i = itemPtr->numTags-1; i >= 0; i--) {
if (itemPtr->tagPtr[i] == tag) {
@@ -1175,8 +1174,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
}
}
break;
- }
- case CANV_FIND: {
+ }
+ case CANV_FIND:
if (objc < 3) {
Tcl_WrongNumArgs(interp, 2, objv, "searchCommand ?arg arg ...?");
result = TCL_ERROR;
@@ -1189,8 +1188,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
(Tcl_Obj *) NULL, 2, &searchPtr);
#endif /* USE_OLD_TAG_SEARCH */
break;
- }
- case CANV_FOCUS: {
+ case CANV_FOCUS:
if (objc > 3) {
Tcl_WrongNumArgs(interp, 2, objv, "?tagOrId?");
result = TCL_ERROR;
@@ -1209,7 +1207,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
if ((itemPtr != NULL) && (canvasPtr->textInfo.gotFocus)) {
EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr);
}
- if (Tcl_GetStringFromObj(objv[2], NULL)[0] == 0) {
+ if (Tcl_GetString(objv[2])[0] == 0) {
canvasPtr->textInfo.focusItemPtr = NULL;
goto done;
}
@@ -1217,11 +1215,11 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
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)) {
+ 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 */
if (itemPtr->typePtr->icursorProc != NULL) {
break;
@@ -1235,8 +1233,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr);
}
break;
- }
- case CANV_GETTAGS: {
+ case CANV_GETTAGS:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "tagOrId");
result = TCL_ERROR;
@@ -1245,10 +1242,10 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
#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);
+ if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) {
+ goto done;
+ }
+ itemPtr = TagSearchFirst(searchPtr);
#endif /* USE_OLD_TAG_SEARCH */
if (itemPtr != NULL) {
int i;
@@ -1257,8 +1254,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
}
}
break;
- }
- case CANV_ICURSOR: {
+ case CANV_ICURSOR: {
int index;
if (objc != 4) {
@@ -1270,11 +1266,11 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
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)) {
+ 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 */
if ((itemPtr->typePtr->indexProc == NULL)
|| (itemPtr->typePtr->icursorProc == NULL)) {
@@ -1285,7 +1281,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr, (char *) objv[3], &index);
} else {
result = itemPtr->typePtr->indexProc(interp, (Tk_Canvas) canvasPtr,
- itemPtr, Tcl_GetStringFromObj(objv[3], NULL), &index);
+ itemPtr, Tcl_GetString(objv[3]), &index);
}
if (result != TCL_OK) {
goto done;
@@ -1298,9 +1294,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
}
}
break;
- }
- case CANV_INDEX: {
-
+ case CANV_INDEX: {
int index;
char buf[TCL_INTEGER_SPACE];
@@ -1312,20 +1306,24 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
#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)) {
-#endif /* USE_OLD_TAG_SEARCH */
+ if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) {
+ goto done;
+ }
+ for (itemPtr = TagSearchFirst(searchPtr);
+ itemPtr != NULL; itemPtr = TagSearchNext(searchPtr)) {
if (itemPtr->typePtr->indexProc != NULL) {
break;
}
}
+#endif /* USE_OLD_TAG_SEARCH */
if (itemPtr == NULL) {
Tcl_AppendResult(interp, "can't find an indexable item \"",
- Tcl_GetStringFromObj(objv[2], NULL), "\"", (char *) NULL);
+ Tcl_GetString(objv[2]), "\"", (char *) NULL);
result = TCL_ERROR;
goto done;
}
@@ -1334,7 +1332,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr, (char *) objv[3], &index);
} else {
result = itemPtr->typePtr->indexProc(interp, (Tk_Canvas) canvasPtr,
- itemPtr, Tcl_GetStringFromObj(objv[3], NULL), &index);
+ itemPtr, Tcl_GetString(objv[3]), &index);
}
if (result != TCL_OK) {
goto done;
@@ -1342,8 +1340,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
sprintf(buf, "%d", index);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
break;
- }
- case CANV_INSERT: {
+ }
+ case CANV_INSERT: {
int beforeThis;
int x1,x2,y1,y2;
@@ -1356,11 +1354,11 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
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)) {
+ 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 */
if ((itemPtr->typePtr->indexProc == NULL)
|| (itemPtr->typePtr->insertProc == NULL)) {
@@ -1371,7 +1369,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr, (char *) objv[3], &beforeThis);
} else {
result = itemPtr->typePtr->indexProc(interp, (Tk_Canvas) canvasPtr,
- itemPtr, Tcl_GetStringFromObj(objv[3], NULL), &beforeThis);
+ itemPtr, Tcl_GetString(objv[3]), &beforeThis);
}
if (result != TCL_OK) {
goto done;
@@ -1393,7 +1391,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr, beforeThis, (char *) objv[4]);
} else {
(*itemPtr->typePtr->insertProc)((Tk_Canvas) canvasPtr,
- itemPtr, beforeThis, Tcl_GetStringFromObj(objv[4], NULL));
+ itemPtr, beforeThis, Tcl_GetString(objv[4]));
}
if (!(itemPtr->redraw_flags & TK_ITEM_DONT_REDRAW)) {
Tk_CanvasEventuallyRedraw((Tk_Canvas) canvasPtr,
@@ -1403,8 +1401,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr->redraw_flags &= ~TK_ITEM_DONT_REDRAW;
}
break;
- }
- case CANV_ITEMCGET: {
+ }
+ case CANV_ITEMCGET:
if (objc != 4) {
Tcl_WrongNumArgs(interp, 2, objv, "tagOrId option");
result = TCL_ERROR;
@@ -1413,19 +1411,18 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
#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);
+ if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) {
+ goto done;
+ }
+ itemPtr = TagSearchFirst(searchPtr);
#endif /* USE_OLD_TAG_SEARCH */
if (itemPtr != NULL) {
result = Tk_ConfigureValue(canvasPtr->interp, canvasPtr->tkwin,
itemPtr->typePtr->configSpecs, (char *) itemPtr,
- Tcl_GetStringFromObj(objv[3], NULL), 0);
+ Tcl_GetString(objv[3]), 0);
}
break;
- }
- case CANV_ITEMCONFIGURE: {
+ case CANV_ITEMCONFIGURE:
if (objc < 3) {
Tcl_WrongNumArgs(interp, 2, objv, "tagOrId ?option value ...?");
result = TCL_ERROR;
@@ -1435,11 +1432,11 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
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)) {
+ 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 */
if (objc == 3) {
result = Tk_ConfigureInfo(canvasPtr->interp, canvasPtr->tkwin,
@@ -1470,8 +1467,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
}
}
break;
- }
- case CANV_LOWER: {
+ case CANV_LOWER: {
Tk_Item *itemPtr;
if ((objc != 3) && (objc != 4)) {
@@ -1491,10 +1487,10 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
#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);
+ if ((result = TagSearchScan(canvasPtr, objv[3], &searchPtr)) != TCL_OK) {
+ goto done;
+ }
+ itemPtr = TagSearchFirst(searchPtr);
#endif /* USE_OLD_TAG_SEARCH */
if (itemPtr == NULL) {
Tcl_AppendResult(interp, "tag \"", Tcl_GetString(objv[3]),
@@ -1506,13 +1502,13 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
#ifdef USE_OLD_TAG_SEARCH
RelinkItems(canvasPtr, objv[2], itemPtr);
#else /* USE_OLD_TAG_SEARCH */
- if ((result = RelinkItems(canvasPtr, objv[2], itemPtr, &searchPtr)) != TCL_OK) {
- goto done;
- }
+ if ((result = RelinkItems(canvasPtr, objv[2], itemPtr, &searchPtr)) != TCL_OK) {
+ goto done;
+ }
#endif /* USE_OLD_TAG_SEARCH */
break;
- }
- case CANV_MOVE: {
+ }
+ case CANV_MOVE: {
double xAmount, yAmount;
if (objc != 5) {
@@ -1530,11 +1526,11 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
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)) {
+ 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 */
EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr);
(void) (*itemPtr->typePtr->translateProc)((Tk_Canvas) canvasPtr,
@@ -1543,14 +1539,15 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
canvasPtr->flags |= REPICK_NEEDED;
}
break;
- }
- case CANV_POSTSCRIPT: {
+ }
+ case CANV_POSTSCRIPT: {
CONST char **args = TkGetStringsFromObjs(objc, objv);
+
result = TkCanvPostscriptCmd(canvasPtr, interp, objc, args);
if (args) ckfree((char *) args);
break;
- }
- case CANV_RAISE: {
+ }
+ case CANV_RAISE: {
Tk_Item *prevPtr;
if ((objc != 3) && (objc != 4)) {
@@ -1572,16 +1569,16 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
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)) {
+ 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 */
prevPtr = itemPtr;
}
if (prevPtr == NULL) {
- Tcl_AppendResult(interp, "tagOrId \"", Tcl_GetStringFromObj(objv[3], NULL),
+ Tcl_AppendResult(interp, "tagOrId \"", Tcl_GetString(objv[3]),
"\" doesn't match any items", (char *) NULL);
result = TCL_ERROR;
goto done;
@@ -1590,14 +1587,14 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
#ifdef USE_OLD_TAG_SEARCH
RelinkItems(canvasPtr, objv[2], prevPtr);
#else /* USE_OLD_TAG_SEARCH */
- result = RelinkItems(canvasPtr, objv[2], prevPtr, &searchPtr);
- if (result != TCL_OK) {
- goto done;
- }
+ result = RelinkItems(canvasPtr, objv[2], prevPtr, &searchPtr);
+ if (result != TCL_OK) {
+ goto done;
+ }
#endif /* USE_OLD_TAG_SEARCH */
break;
- }
- case CANV_SCALE: {
+ }
+ case CANV_SCALE: {
double xOrigin, yOrigin, xScale, yScale;
if (objc != 7) {
@@ -1623,11 +1620,11 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
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)) {
+ 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 */
EventuallyRedrawItem((Tk_Canvas) canvasPtr, itemPtr);
(void) (*itemPtr->typePtr->scaleProc)((Tk_Canvas) canvasPtr,
@@ -1636,9 +1633,9 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
canvasPtr->flags |= REPICK_NEEDED;
}
break;
- }
- case CANV_SCAN: {
- int x, y, gain=10;
+ }
+ case CANV_SCAN: {
+ int x, y, gain = 10;
static CONST char *optionStrings[] = {
"mark", "dragto", NULL
};
@@ -1680,8 +1677,8 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
CanvasSetOrigin(canvasPtr, newXOrigin, newYOrigin);
}
break;
- }
- case CANV_SELECT: {
+ }
+ case CANV_SELECT: {
int index, optionindex;
static CONST char *optionStrings[] = {
"adjust", "clear", "from", "item", "to", NULL
@@ -1700,11 +1697,11 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
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)) {
+ 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 */
if ((itemPtr->typePtr->indexProc != NULL)
&& (itemPtr->typePtr->selectionProc != NULL)){
@@ -1714,7 +1711,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
if (itemPtr == NULL) {
Tcl_AppendResult(interp,
"can't find an indexable and selectable item \"",
- Tcl_GetStringFromObj(objv[3], NULL), "\"", (char *) NULL);
+ Tcl_GetString(objv[3]), "\"", (char *) NULL);
result = TCL_ERROR;
goto done;
}
@@ -1725,7 +1722,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
itemPtr, (char *) objv[4], &index);
} else {
result = itemPtr->typePtr->indexProc(interp, (Tk_Canvas) canvasPtr,
- itemPtr, Tcl_GetStringFromObj(objv[4], NULL), &index);
+ itemPtr, Tcl_GetString(objv[4]), &index);
}
if (result != TCL_OK) {
goto done;
@@ -1737,7 +1734,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
goto done;
}
switch ((enum options) optionindex) {
- case CANV_ADJUST: {
+ case CANV_ADJUST:
if (objc != 5) {
Tcl_WrongNumArgs(interp, 3, objv, "tagOrId index");
result = TCL_ERROR;
@@ -1755,8 +1752,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
}
CanvasSelectTo(canvasPtr, itemPtr, index);
break;
- }
- case CANV_CLEAR: {
+ case CANV_CLEAR:
if (objc != 3) {
Tcl_AppendResult(interp, 3, objv, (char *) NULL);
result = TCL_ERROR;
@@ -1769,8 +1765,7 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
}
goto done;
break;
- }
- case CANV_FROM: {
+ case CANV_FROM:
if (objc != 5) {
Tcl_WrongNumArgs(interp, 3, objv, "tagOrId index");
result = TCL_ERROR;
@@ -1779,22 +1774,18 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
canvasPtr->textInfo.anchorItemPtr = itemPtr;
canvasPtr->textInfo.selectAnchor = index;
break;
- }
- case CANV_ITEM: {
+ case CANV_ITEM:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 3, objv, (char *) NULL);
result = TCL_ERROR;
goto done;
}
if (canvasPtr->textInfo.selItemPtr != NULL) {
- char buf[TCL_INTEGER_SPACE];
-
- sprintf(buf, "%d", canvasPtr->textInfo.selItemPtr->id);
- Tcl_SetResult(interp, buf, TCL_VOLATILE);
+ Tcl_SetObjResult(interp,
+ Tcl_NewIntObj(canvasPtr->textInfo.selItemPtr->id));
}
break;
- }
- case CANV_TO: {
+ case CANV_TO:
if (objc != 5) {
Tcl_WrongNumArgs(interp, 2, objv, "tagOrId index");
result = TCL_ERROR;
@@ -1802,11 +1793,10 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
}
CanvasSelectTo(canvasPtr, itemPtr, index);
break;
- }
}
break;
- }
- case CANV_TYPE: {
+ }
+ case CANV_TYPE:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "tag");
result = TCL_ERROR;
@@ -1815,17 +1805,16 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
#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);
+ if ((result = TagSearchScan(canvasPtr, objv[2], &searchPtr)) != TCL_OK) {
+ goto done;
+ }
+ itemPtr = TagSearchFirst(searchPtr);
#endif /* USE_OLD_TAG_SEARCH */
if (itemPtr != NULL) {
Tcl_SetResult(interp, itemPtr->typePtr->name, TCL_STATIC);
}
break;
- }
- case CANV_XVIEW: {
+ case CANV_XVIEW: {
int count, type;
int newX = 0; /* Initialization needed only to prevent
* gcc warnings. */
@@ -1840,80 +1829,84 @@ CanvasWidgetCmd(clientData, interp, objc, objv)
} else {
CONST char **args = TkGetStringsFromObjs(objc, objv);
type = Tk_GetScrollInfo(interp, objc, args, &fraction, &count);
- if (args) ckfree((char *) args);
+ if (args) {
+ ckfree((char *) args);
+ }
switch (type) {
- case TK_SCROLL_ERROR:
- result = TCL_ERROR;
- goto done;
- case TK_SCROLL_MOVETO:
- newX = canvasPtr->scrollX1 - canvasPtr->inset
- + (int) (fraction * (canvasPtr->scrollX2
- - canvasPtr->scrollX1) + 0.5);
- break;
- case TK_SCROLL_PAGES:
- newX = (int) (canvasPtr->xOrigin + count * .9
- * (Tk_Width(canvasPtr->tkwin) - 2*canvasPtr->inset));
- break;
- case TK_SCROLL_UNITS:
- if (canvasPtr->xScrollIncrement > 0) {
- newX = canvasPtr->xOrigin
- + count*canvasPtr->xScrollIncrement;
- } else {
- newX = (int) (canvasPtr->xOrigin + count * .1
- * (Tk_Width(canvasPtr->tkwin)
- - 2*canvasPtr->inset));
- }
- break;
+ case TK_SCROLL_ERROR:
+ result = TCL_ERROR;
+ goto done;
+ case TK_SCROLL_MOVETO:
+ newX = canvasPtr->scrollX1 - canvasPtr->inset
+ + (int) (fraction * (canvasPtr->scrollX2
+ - canvasPtr->scrollX1) + 0.5);
+ break;
+ case TK_SCROLL_PAGES:
+ newX = (int) (canvasPtr->xOrigin + count * .9
+ * (Tk_Width(canvasPtr->tkwin) - 2*canvasPtr->inset));
+ break;
+ case TK_SCROLL_UNITS:
+ if (canvasPtr->xScrollIncrement > 0) {
+ newX = canvasPtr->xOrigin
+ + count*canvasPtr->xScrollIncrement;
+ } else {
+ newX = (int) (canvasPtr->xOrigin + count * .1
+ * (Tk_Width(canvasPtr->tkwin)
+ - 2*canvasPtr->inset));
+ }
+ break;
}
CanvasSetOrigin(canvasPtr, newX, canvasPtr->yOrigin);
}
break;
- }
- case CANV_YVIEW: {
+ }
+ case CANV_YVIEW: {
int count, type;
int newY = 0; /* Initialization needed only to prevent
* gcc warnings. */
double fraction;
if (objc == 2) {
- Tcl_SetObjResult(interp,ScrollFractions(\
+ Tcl_SetObjResult(interp, ScrollFractions(
canvasPtr->yOrigin + canvasPtr->inset,
canvasPtr->yOrigin + Tk_Height(canvasPtr->tkwin)
- - canvasPtr->inset, canvasPtr->scrollY1,
- canvasPtr->scrollY2));
+ - canvasPtr->inset,
+ canvasPtr->scrollY1, canvasPtr->scrollY2));
} else {
CONST char **args = TkGetStringsFromObjs(objc, objv);
type = Tk_GetScrollInfo(interp, objc, args, &fraction, &count);
- if (args) ckfree((char *) args);
+ if (args) {
+ ckfree((char *) args);
+ }
switch (type) {
- case TK_SCROLL_ERROR:
- result = TCL_ERROR;
- goto done;
- case TK_SCROLL_MOVETO:
- newY = canvasPtr->scrollY1 - canvasPtr->inset
- + (int) (fraction*(canvasPtr->scrollY2
- - canvasPtr->scrollY1) + 0.5);
- break;
- case TK_SCROLL_PAGES:
- newY = (int) (canvasPtr->yOrigin + count * .9
+ case TK_SCROLL_ERROR:
+ result = TCL_ERROR;
+ goto done;
+ case TK_SCROLL_MOVETO:
+ newY = canvasPtr->scrollY1 - canvasPtr->inset
+ + (int) (fraction*(canvasPtr->scrollY2
+ - canvasPtr->scrollY1) + 0.5);
+ break;
+ case TK_SCROLL_PAGES:
+ newY = (int) (canvasPtr->yOrigin + count * .9
+ * (Tk_Height(canvasPtr->tkwin)
+ - 2*canvasPtr->inset));
+ break;
+ case TK_SCROLL_UNITS:
+ if (canvasPtr->yScrollIncrement > 0) {
+ newY = canvasPtr->yOrigin
+ + count*canvasPtr->yScrollIncrement;
+ } else {
+ newY = (int) (canvasPtr->yOrigin + count * .1
* (Tk_Height(canvasPtr->tkwin)
- 2*canvasPtr->inset));
- break;
- case TK_SCROLL_UNITS:
- if (canvasPtr->yScrollIncrement > 0) {
- newY = canvasPtr->yOrigin
- + count*canvasPtr->yScrollIncrement;
- } else {
- newY = (int) (canvasPtr->yOrigin + count * .1
- * (Tk_Height(canvasPtr->tkwin)
- - 2*canvasPtr->inset));
- }
- break;
+ }
+ break;
}
CanvasSetOrigin(canvasPtr, canvasPtr->xOrigin, newY);
}
break;
- }
+ }
}
done:
#ifndef USE_OLD_TAG_SEARCH
@@ -2144,12 +2137,12 @@ ConfigureCanvas(interp, canvasPtr, objc, objv, flags)
*
* CanvasWorldChanged --
*
- * This procedure is called when the world has changed in some
- * way and the widget needs to recompute all its graphics contexts
+ * This procedure is called when the world has changed in some
+ * way and the widget needs to recompute all its graphics contexts
* and determine its new geometry.
*
* Results:
- * None.
+ * None.
*
* Side effects:
* Configures all items in the canvas with a empty argc/argv, for
@@ -2869,7 +2862,7 @@ StartTagSearch(canvasPtr, tagObj, searchPtr)
id = strtoul(tag, &end, 0);
if (*end == 0) {
itemPtr = canvasPtr->hotPtr;
- lastPtr = canvasPtr->hotPrevPtr;
+ lastPtr = canvasPtr->hotPrevPtr;
if ((itemPtr == NULL) || (itemPtr->id != id) || (lastPtr == NULL)
|| (lastPtr->nextPtr != itemPtr)) {
dispPtr->numSlowSearches++;
@@ -3015,7 +3008,7 @@ NextItem(searchPtr)
*
* TagSearchExprInit --
*
- * This procedure allocates and initializes one TagSearchExpr struct.
+ * This procedure allocates and initializes one TagSearchExpr struct.
*
* Results:
*
@@ -3047,7 +3040,7 @@ TagSearchExpr **exprPtrPtr;
*
* TagSearchExprDestroy --
*
- * This procedure destroys one TagSearchExpr structure.
+ * This procedure destroys one TagSearchExpr structure.
*
* Results:
*
@@ -3062,9 +3055,9 @@ TagSearchExprDestroy(expr)
{
if (expr) {
if (expr->uids) {
- ckfree((char *)expr->uids);
+ ckfree((char *)expr->uids);
}
- ckfree((char *)expr);
+ ckfree((char *)expr);
}
}
@@ -3073,35 +3066,34 @@ TagSearchExprDestroy(expr)
*
* TagSearchScan --
*
- * This procedure is called to initiate an enumeration of
- * all items in a given canvas that contain a tag that matches
- * the tagOrId expression.
+ * This procedure is called to initiate an enumeration of all
+ * items in a given canvas that contain a tag that matches the
+ * tagOrId expression.
*
* Results:
- * The return value indicates if the tagOrId expression
- * was successfully scanned (syntax).
- * The information at *searchPtr is initialized
- * such that a call to TagSearchFirst, followed by
- * successive calls to TagSearchNext will return items
- * that match tag.
+ * The return value indicates if the tagOrId expression was
+ * successfully scanned (syntax). The information at *searchPtr
+ * is initialized such that a call to TagSearchFirst, followed by
+ * successive calls to TagSearchNext will return items that match
+ * tag.
*
* Side effects:
- * SearchPtr is linked into a list of searches in progress
- * on canvasPtr, so that elements can safely be deleted
- * while the search is in progress.
+ * SearchPtr is linked into a list of searches in progress on
+ * canvasPtr, so that elements can safely be deleted while the
+ * search is in progress.
*
*--------------------------------------------------------------
*/
static int
TagSearchScan(canvasPtr, tagObj, searchPtrPtr)
- TkCanvas *canvasPtr; /* Canvas whose items are to be
- * searched. */
- Tcl_Obj *tagObj; /* Object giving tag value. */
- TagSearch **searchPtrPtr; /* Record describing tag search;
- * will be initialized here. */
+ TkCanvas *canvasPtr; /* Canvas whose items are to be
+ * searched. */
+ Tcl_Obj *tagObj; /* Object giving tag value. */
+ TagSearch **searchPtrPtr; /* Record describing tag search;
+ * will be initialized here. */
{
- char *tag = Tcl_GetStringFromObj(tagObj,NULL);
+ char *tag = Tcl_GetString(tagObj);
int i;
TagSearch *searchPtr;
@@ -3110,16 +3102,15 @@ TagSearchScan(canvasPtr, tagObj, searchPtrPtr)
*/
if (*searchPtrPtr) {
- searchPtr = *searchPtrPtr;
+ searchPtr = *searchPtrPtr;
} else {
- /* Allocate primary search struct on first call */
- *searchPtrPtr = searchPtr = (TagSearch *) ckalloc(sizeof(TagSearch));
+ /* Allocate primary search struct on first call */
+ *searchPtrPtr = searchPtr = (TagSearch *) ckalloc(sizeof(TagSearch));
searchPtr->expr = NULL;
- /* Allocate buffer for rewritten tags (after de-escaping) */
- searchPtr->rewritebufferAllocated = 100;
- searchPtr->rewritebuffer =
- ckalloc(searchPtr->rewritebufferAllocated);
+ /* Allocate buffer for rewritten tags (after de-escaping) */
+ searchPtr->rewritebufferAllocated = 100;
+ searchPtr->rewritebuffer = ckalloc(searchPtr->rewritebufferAllocated);
}
TagSearchExprInit(&(searchPtr->expr));
@@ -3129,10 +3120,10 @@ TagSearchScan(canvasPtr, tagObj, searchPtrPtr)
/* Make sure there is enough buffer to hold rewritten tags */
if ((unsigned int)searchPtr->stringLength >=
searchPtr->rewritebufferAllocated) {
- searchPtr->rewritebufferAllocated = searchPtr->stringLength + 100;
- searchPtr->rewritebuffer =
- ckrealloc(searchPtr->rewritebuffer,
- searchPtr->rewritebufferAllocated);
+ searchPtr->rewritebufferAllocated = searchPtr->stringLength + 100;
+ searchPtr->rewritebuffer =
+ ckrealloc(searchPtr->rewritebuffer,
+ searchPtr->rewritebufferAllocated);
}
/* Initialize search */
@@ -3148,12 +3139,12 @@ TagSearchScan(canvasPtr, tagObj, searchPtrPtr)
*/
if (searchPtr->stringLength && isdigit(UCHAR(*tag))) {
- char *end;
+ char *end;
- searchPtr->id = strtoul(tag, &end, 0);
- if (*end == 0) {
- searchPtr->type = SEARCH_TYPE_ID;
- return TCL_OK;
+ searchPtr->id = strtoul(tag, &end, 0);
+ if (*end == 0) {
+ searchPtr->type = SEARCH_TYPE_ID;
+ return TCL_OK;
}
}
@@ -3174,54 +3165,52 @@ TagSearchScan(canvasPtr, tagObj, searchPtrPtr)
* if not found then use string as simple tag
*/
for (i = 0; i < searchPtr->stringLength ; i++) {
- if (tag[i] == '"') {
- i++;
- for ( ; i < searchPtr->stringLength; i++) {
- if (tag[i] == '\\') {
- i++;
- continue;
- }
- if (tag[i] == '"') {
- break;
- }
- }
- } else {
- if ((tag[i] == '&' && tag[i+1] == '&')
- || (tag[i] == '|' && tag[i+1] == '|')
- || (tag[i] == '^')
- || (tag[i] == '!')) {
- searchPtr->type = SEARCH_TYPE_EXPR;
- break;
- }
- }
+ if (tag[i] == '"') {
+ i++;
+ for ( ; i < searchPtr->stringLength; i++) {
+ if (tag[i] == '\\') {
+ i++;
+ continue;
+ }
+ if (tag[i] == '"') {
+ break;
+ }
+ }
+ } else {
+ if ((tag[i] == '&' && tag[i+1] == '&')
+ || (tag[i] == '|' && tag[i+1] == '|')
+ || (tag[i] == '^')
+ || (tag[i] == '!')) {
+ searchPtr->type = SEARCH_TYPE_EXPR;
+ break;
+ }
+ }
}
searchPtr->string = tag;
searchPtr->stringIndex = 0;
if (searchPtr->type == SEARCH_TYPE_EXPR) {
- /*
- * an operator was found in the prescan, so
- * now compile the tag expression into array of Tk_Uid
- * flagging any syntax errors found
- */
+ /*
+ * an operator was found in the prescan, so
+ * now compile the tag expression into array of Tk_Uid
+ * flagging any syntax errors found
+ */
if (TagSearchScanExpr(canvasPtr->interp, searchPtr, searchPtr->expr) != TCL_OK) {
- /* Syntax error in tag expression */
+ /* Syntax error in tag expression */
/* Result message set by TagSearchScanExpr */
return TCL_ERROR;
}
searchPtr->expr->length = searchPtr->expr->index;
+ } else if (searchPtr->expr->uid == allUid) {
+ /*
+ * All items match.
+ */
+ searchPtr->type = SEARCH_TYPE_ALL;
} else {
- if (searchPtr->expr->uid == allUid) {
- /*
- * All items match.
- */
- searchPtr->type = SEARCH_TYPE_ALL;
- } else {
- /*
- * Optimized single-tag search
- */
- searchPtr->type = SEARCH_TYPE_TAG;
- }
+ /*
+ * Optimized single-tag search
+ */
+ searchPtr->type = SEARCH_TYPE_TAG;
}
return TCL_OK;
}
@@ -3231,24 +3220,26 @@ TagSearchScan(canvasPtr, tagObj, searchPtrPtr)
*
* TagSearchDestroy --
*
- * This procedure destroys any dynamic structures that
- * may have been allocated by TagSearchScan.
+ * This procedure destroys any dynamic structures that may have
+ * been allocated by TagSearchScan.
*
* Results:
+ * None
*
* Side effects:
+ * Deallocates memory.
*
*--------------------------------------------------------------
*/
static void
TagSearchDestroy(searchPtr)
- TagSearch *searchPtr; /* Record describing tag search */
+ TagSearch *searchPtr; /* Record describing tag search */
{
if (searchPtr) {
- TagSearchExprDestroy(searchPtr->expr);
- ckfree((char *)searchPtr->rewritebuffer);
- ckfree((char *)searchPtr);
+ TagSearchExprDestroy(searchPtr->expr);
+ ckfree((char *)searchPtr->rewritebuffer);
+ ckfree((char *)searchPtr);
}
}
@@ -3257,16 +3248,15 @@ TagSearchDestroy(searchPtr)
*
* TagSearchScanExpr --
*
- * This recursive procedure is called to scan a tag expression
- * and compile it into an array of Tk_Uids.
+ * This recursive procedure is called to scan a tag expression
+ * and compile it into an array of Tk_Uids.
*
* Results:
- * The return value indicates if the tagOrId expression
- * was successfully scanned (syntax).
- * The information at *searchPtr is initialized
- * such that a call to TagSearchFirst, followed by
- * successive calls to TagSearchNext will return items
- * that match tag.
+ * The return value indicates if the tagOrId expression was
+ * successfully scanned (syntax). The information at *searchPtr
+ * is initialized such that a call to TagSearchFirst, followed by
+ * successive calls to TagSearchNext will return items that match
+ * tag.
*
* Side effects:
*
@@ -3275,209 +3265,210 @@ TagSearchDestroy(searchPtr)
static int
TagSearchScanExpr(interp, searchPtr, expr)
- Tcl_Interp *interp; /* Current interpreter. */
- TagSearch *searchPtr; /* Search data */
+ Tcl_Interp *interp; /* Current interpreter. */
+ TagSearch *searchPtr; /* Search data */
TagSearchExpr *expr; /* compiled expression result */
{
- int looking_for_tag; /* When true, scanner expects
- * next char(s) to be a tag,
- * else operand expected */
- int found_tag; /* One or more tags found */
- int found_endquote; /* For quoted tag string parsing */
- int negate_result; /* Pending negation of next tag value */
- char *tag; /* tag from tag expression string */
+ int looking_for_tag; /* When true, scanner expects
+ * next char(s) to be a tag,
+ * else operand expected */
+ int found_tag; /* One or more tags found */
+ int found_endquote; /* For quoted tag string parsing */
+ int negate_result; /* Pending negation of next tag value */
+ char *tag; /* tag from tag expression string */
char c;
negate_result = 0;
found_tag = 0;
looking_for_tag = 1;
while (searchPtr->stringIndex < searchPtr->stringLength) {
- c = searchPtr->string[searchPtr->stringIndex++];
+ c = searchPtr->string[searchPtr->stringIndex++];
- if (expr->allocated == expr->index) {
- expr->allocated += 15;
+ if (expr->allocated == expr->index) {
+ expr->allocated += 15;
if (expr->uids) {
- expr->uids =
- (Tk_Uid *) ckrealloc((char *)(expr->uids),
- (expr->allocated)*sizeof(Tk_Uid));
+ expr->uids = (Tk_Uid *)
+ ckrealloc((char *)(expr->uids),
+ (expr->allocated)*sizeof(Tk_Uid));
} else {
- expr->uids =
- (Tk_Uid *) ckalloc((expr->allocated)*sizeof(Tk_Uid));
+ expr->uids = (Tk_Uid *)
+ ckalloc((expr->allocated)*sizeof(Tk_Uid));
}
- }
-
- if (looking_for_tag) {
-
- switch (c) {
- case ' ' : /* ignore unquoted whitespace */
- case '\t' :
- case '\n' :
- case '\r' :
- break;
-
- case '!' : /* negate next tag or subexpr */
- if (looking_for_tag > 1) {
- Tcl_AppendResult(interp,
- "Too many '!' in tag search expression",
- (char *) NULL);
- return TCL_ERROR;
- }
- looking_for_tag++;
- negate_result = 1;
- break;
-
- case '(' : /* scan (negated) subexpr recursively */
- if (negate_result) {
- expr->uids[expr->index++] = negparenUid;
- negate_result = 0;
- } else {
- expr->uids[expr->index++] = parenUid;
+ }
+
+ if (looking_for_tag) {
+
+ switch (c) {
+ case ' ': /* ignore unquoted whitespace */
+ case '\t':
+ case '\n':
+ case '\r':
+ break;
+
+ case '!': /* negate next tag or subexpr */
+ if (looking_for_tag > 1) {
+ Tcl_AppendResult(interp,
+ "Too many '!' in tag search expression",
+ (char *) NULL);
+ return TCL_ERROR;
+ }
+ looking_for_tag++;
+ negate_result = 1;
+ break;
+
+ case '(': /* scan (negated) subexpr recursively */
+ if (negate_result) {
+ expr->uids[expr->index++] = negparenUid;
+ negate_result = 0;
+ } else {
+ expr->uids[expr->index++] = parenUid;
+ }
+ if (TagSearchScanExpr(interp, searchPtr, expr) != TCL_OK) {
+ /*
+ * Result string should be already set by nested
+ * call to tag_expr_scan()
+ */
+ return TCL_ERROR;
+ }
+ looking_for_tag = 0;
+ found_tag = 1;
+ break;
+
+ case '"': /* quoted tag string */
+ if (negate_result) {
+ expr->uids[expr->index++] = negtagvalUid;
+ negate_result = 0;
+ } else {
+ expr->uids[expr->index++] = tagvalUid;
+ }
+ tag = searchPtr->rewritebuffer;
+ found_endquote = 0;
+ while (searchPtr->stringIndex < searchPtr->stringLength) {
+ c = searchPtr->string[searchPtr->stringIndex++];
+ if (c == '\\') {
+ c = searchPtr->string[searchPtr->stringIndex++];
+ }
+ if (c == '"') {
+ found_endquote = 1;
+ break;
}
- if (TagSearchScanExpr(interp, searchPtr, expr) != TCL_OK) {
- /* Result string should be already set
- * by nested call to tag_expr_scan() */
- return TCL_ERROR;
+ *tag++ = c;
+ }
+ if (! found_endquote) {
+ Tcl_AppendResult(interp,
+ "Missing endquote in tag search expression",
+ (char *) NULL);
+ return TCL_ERROR;
+ }
+ if (! (tag - searchPtr->rewritebuffer)) {
+ Tcl_AppendResult(interp,
+ "Null quoted tag string in tag search expression",
+ (char *) NULL);
+ return TCL_ERROR;
+ }
+ *tag++ = '\0';
+ expr->uids[expr->index++] =
+ Tk_GetUid(searchPtr->rewritebuffer);
+ looking_for_tag = 0;
+ found_tag = 1;
+ break;
+
+ case '&': /* illegal chars when looking for tag */
+ case '|':
+ case '^':
+ case ')':
+ Tcl_AppendResult(interp,
+ "Unexpected operator in tag search expression",
+ (char *) NULL);
+ return TCL_ERROR;
+
+ default: /* unquoted tag string */
+ if (negate_result) {
+ expr->uids[expr->index++] = negtagvalUid;
+ negate_result = 0;
+ } else {
+ expr->uids[expr->index++] = tagvalUid;
+ }
+ tag = searchPtr->rewritebuffer;
+ *tag++ = c;
+ /* copy rest of tag, including any embedded whitespace */
+ while (searchPtr->stringIndex < searchPtr->stringLength) {
+ c = searchPtr->string[searchPtr->stringIndex];
+ if (c == '!' || c == '&' || c == '|' || c == '^'
+ || c == '(' || c == ')' || c == '"') {
+ break;
}
- looking_for_tag = 0;
- found_tag = 1;
- break;
-
- case '"' : /* quoted tag string */
- if (negate_result) {
- expr->uids[expr->index++] = negtagvalUid;
- negate_result = 0;
- } else {
- expr->uids[expr->index++] = tagvalUid;
+ *tag++ = c;
+ searchPtr->stringIndex++;
+ }
+ /* remove trailing whitespace */
+ while (1) {
+ c = *--tag;
+ /* there must have been one non-whitespace char,
+ * so this will terminate */
+ if (c != ' ' && c != '\t' && c != '\n' && c != '\r') {
+ break;
}
- tag = searchPtr->rewritebuffer;
- found_endquote = 0;
- while (searchPtr->stringIndex < searchPtr->stringLength) {
- c = searchPtr->string[searchPtr->stringIndex++];
- if (c == '\\') {
- c = searchPtr->string[searchPtr->stringIndex++];
- }
- if (c == '"') {
- found_endquote = 1;
- break;
- }
- *tag++ = c;
- }
- if (! found_endquote) {
- Tcl_AppendResult(interp,
- "Missing endquote in tag search expression",
- (char *) NULL);
- return TCL_ERROR;
- }
- if (! (tag - searchPtr->rewritebuffer)) {
- Tcl_AppendResult(interp,
- "Null quoted tag string in tag search expression",
- (char *) NULL);
- return TCL_ERROR;
- }
- *tag++ = '\0';
- expr->uids[expr->index++] =
- Tk_GetUid(searchPtr->rewritebuffer);
- looking_for_tag = 0;
- found_tag = 1;
- break;
-
- case '&' : /* illegal chars when looking for tag */
- case '|' :
- case '^' :
- case ')' :
- Tcl_AppendResult(interp,
- "Unexpected operator in tag search expression",
+ }
+ *++tag = '\0';
+ expr->uids[expr->index++] =
+ Tk_GetUid(searchPtr->rewritebuffer);
+ looking_for_tag = 0;
+ found_tag = 1;
+ }
+
+ } else { /* ! looking_for_tag */
+ switch (c) {
+ case ' ': /* ignore whitespace */
+ case '\t':
+ case '\n':
+ case '\r':
+ break;
+
+ case '&': /* AND operator */
+ c = searchPtr->string[searchPtr->stringIndex++];
+ if (c != '&') {
+ Tcl_AppendResult(interp,
+ "Singleton '&' in tag search expression",
(char *) NULL);
- return TCL_ERROR;
-
- default : /* unquoted tag string */
- if (negate_result) {
- expr->uids[expr->index++] = negtagvalUid;
- negate_result = 0;
- } else {
- expr->uids[expr->index++] = tagvalUid;
- }
- tag = searchPtr->rewritebuffer;
- *tag++ = c;
- /* copy rest of tag, including any embedded whitespace */
- while (searchPtr->stringIndex < searchPtr->stringLength) {
- c = searchPtr->string[searchPtr->stringIndex];
- if (c == '!' || c == '&' || c == '|' || c == '^'
- || c == '(' || c == ')' || c == '"') {
- break;
- }
- *tag++ = c;
- searchPtr->stringIndex++;
- }
- /* remove trailing whitespace */
- while (1) {
- c = *--tag;
- /* there must have been one non-whitespace char,
- * so this will terminate */
- if (c != ' ' && c != '\t' && c != '\n' && c != '\r') {
- break;
- }
- }
- *++tag = '\0';
- expr->uids[expr->index++] =
- Tk_GetUid(searchPtr->rewritebuffer);
- looking_for_tag = 0;
- found_tag = 1;
- }
-
- } else { /* ! looking_for_tag */
-
- switch (c) {
- case ' ' : /* ignore whitespace */
- case '\t' :
- case '\n' :
- case '\r' :
- break;
-
- case '&' : /* AND operator */
- c = searchPtr->string[searchPtr->stringIndex++];
- if (c != '&') {
- Tcl_AppendResult(interp,
- "Singleton '&' in tag search expression",
- (char *) NULL);
- return TCL_ERROR;
- }
- expr->uids[expr->index++] = andUid;
- looking_for_tag = 1;
- break;
-
- case '|' : /* OR operator */
- c = searchPtr->string[searchPtr->stringIndex++];
- if (c != '|') {
- Tcl_AppendResult(interp,
- "Singleton '|' in tag search expression",
- (char *) NULL);
- return TCL_ERROR;
- }
- expr->uids[expr->index++] = orUid;
- looking_for_tag = 1;
- break;
-
- case '^' : /* XOR operator */
- expr->uids[expr->index++] = xorUid;
- looking_for_tag = 1;
- break;
-
- case ')' : /* end subexpression */
- expr->uids[expr->index++] = endparenUid;
- goto breakwhile;
-
- default : /* syntax error */
- Tcl_AppendResult(interp,
- "Invalid boolean operator in tag search expression",
+ return TCL_ERROR;
+ }
+ expr->uids[expr->index++] = andUid;
+ looking_for_tag = 1;
+ break;
+
+ case '|': /* OR operator */
+ c = searchPtr->string[searchPtr->stringIndex++];
+ if (c != '|') {
+ Tcl_AppendResult(interp,
+ "Singleton '|' in tag search expression",
(char *) NULL);
- return TCL_ERROR;
- }
- }
+ return TCL_ERROR;
+ }
+ expr->uids[expr->index++] = orUid;
+ looking_for_tag = 1;
+ break;
+
+ case '^' : /* XOR operator */
+ expr->uids[expr->index++] = xorUid;
+ looking_for_tag = 1;
+ break;
+
+ case ')' : /* end subexpression */
+ expr->uids[expr->index++] = endparenUid;
+ goto breakwhile;
+
+ default: /* syntax error */
+ Tcl_AppendResult(interp,
+ "Invalid boolean operator in tag search expression",
+ (char *) NULL);
+ return TCL_ERROR;
+ }
+ }
}
breakwhile:
if (found_tag && ! looking_for_tag) {
- return TCL_OK;
+ return TCL_OK;
}
Tcl_AppendResult(interp, "Missing tag in tag search expression",
(char *) NULL);
@@ -3489,11 +3480,11 @@ TagSearchScanExpr(interp, searchPtr, expr)
*
* TagSearchEvalExpr --
*
- * This recursive procedure is called to eval a tag expression.
+ * This recursive procedure is called to eval a tag expression.
*
* Results:
- * The return value indicates if the tagOrId expression
- * successfully matched the tags of the current item.
+ * The return value indicates if the tagOrId expression
+ * successfully matched the tags of the current item.
*
* Side effects:
*
@@ -3502,17 +3493,17 @@ TagSearchScanExpr(interp, searchPtr, expr)
static int
TagSearchEvalExpr(expr, itemPtr)
- TagSearchExpr *expr; /* Search expression */
- Tk_Item *itemPtr; /* Item being test for match */
+ TagSearchExpr *expr; /* Search expression */
+ Tk_Item *itemPtr; /* Item being test for match */
{
- int looking_for_tag; /* When true, scanner expects
- * next char(s) to be a tag,
- * else operand expected */
- int negate_result; /* Pending negation of next tag value */
+ int looking_for_tag; /* When true, scanner expects
+ * next char(s) to be a tag,
+ * else operand expected */
+ int negate_result; /* Pending negation of next tag value */
Tk_Uid uid;
Tk_Uid *tagPtr;
int count;
- int result; /* Value of expr so far */
+ int result; /* Value of expr so far */
int parendepth;
result = 0; /* just to keep the compiler quiet */
@@ -3520,111 +3511,111 @@ TagSearchEvalExpr(expr, itemPtr)
negate_result = 0;
looking_for_tag = 1;
while (expr->index < expr->length) {
- uid = expr->uids[expr->index++];
- if (looking_for_tag) {
- if (uid == tagvalUid) {
+ uid = expr->uids[expr->index++];
+ if (looking_for_tag) {
+ if (uid == tagvalUid) {
/*
- * assert(expr->index < expr->length);
+ * assert(expr->index < expr->length);
*/
- uid = expr->uids[expr->index++];
- result = 0;
- /*
- * set result 1 if tag is found in item's tags
- */
- for (tagPtr = itemPtr->tagPtr, count = itemPtr->numTags;
- count > 0; tagPtr++, count--) {
- if (*tagPtr == uid) {
- result = 1;
- break;
- }
- }
-
- } else if (uid == negtagvalUid) {
- negate_result = ! negate_result;
+ uid = expr->uids[expr->index++];
+ result = 0;
+ /*
+ * set result 1 if tag is found in item's tags
+ */
+ for (tagPtr = itemPtr->tagPtr, count = itemPtr->numTags;
+ count > 0; tagPtr++, count--) {
+ if (*tagPtr == uid) {
+ result = 1;
+ break;
+ }
+ }
+
+ } else if (uid == negtagvalUid) {
+ negate_result = ! negate_result;
/*
- * assert(expr->index < expr->length);
+ * assert(expr->index < expr->length);
*/
- uid = expr->uids[expr->index++];
- result = 0;
- /*
- * set result 1 if tag is found in item's tags
- */
- for (tagPtr = itemPtr->tagPtr, count = itemPtr->numTags;
- count > 0; tagPtr++, count--) {
- if (*tagPtr == uid) {
- result = 1;
- break;
- }
- }
-
- } else if (uid == parenUid) {
- /*
- * evaluate subexpressions with recursion
- */
- result = TagSearchEvalExpr(expr, itemPtr);
-
- } else if (uid == negparenUid) {
- negate_result = ! negate_result;
- /*
- * evaluate subexpressions with recursion
- */
- result = TagSearchEvalExpr(expr, itemPtr);
+ uid = expr->uids[expr->index++];
+ result = 0;
+ /*
+ * set result 1 if tag is found in item's tags
+ */
+ for (tagPtr = itemPtr->tagPtr, count = itemPtr->numTags;
+ count > 0; tagPtr++, count--) {
+ if (*tagPtr == uid) {
+ result = 1;
+ break;
+ }
+ }
+
+ } else if (uid == parenUid) {
+ /*
+ * evaluate subexpressions with recursion
+ */
+ result = TagSearchEvalExpr(expr, itemPtr);
+
+ } else if (uid == negparenUid) {
+ negate_result = ! negate_result;
+ /*
+ * evaluate subexpressions with recursion
+ */
+ result = TagSearchEvalExpr(expr, itemPtr);
/*
- * } else {
- * assert(0);
+ * } else {
+ * assert(0);
*/
- }
- if (negate_result) {
- result = ! result;
- negate_result = 0;
- }
- looking_for_tag = 0;
- } else { /* ! looking_for_tag */
- if (((uid == andUid) && (!result)) || ((uid == orUid) && result)) {
- /*
- * short circuit expression evaluation
- *
- * if result before && is 0, or result before || is 1,
- * then the expression is decided and no further
- * evaluation is needed.
- */
-
- parendepth = 0;
+ }
+ if (negate_result) {
+ result = ! result;
+ negate_result = 0;
+ }
+ looking_for_tag = 0;
+ } else { /* ! looking_for_tag */
+ if (((uid == andUid) && (!result)) || ((uid == orUid) && result)) {
+ /*
+ * short circuit expression evaluation
+ *
+ * if result before && is 0, or result before || is 1,
+ * then the expression is decided and no further
+ * evaluation is needed.
+ */
+
+ parendepth = 0;
while (expr->index < expr->length) {
uid = expr->uids[expr->index++];
if (uid == tagvalUid || uid == negtagvalUid) {
expr->index++;
continue;
}
- if (uid == parenUid || uid == negparenUid) {
- parendepth++;
+ if (uid == parenUid || uid == negparenUid) {
+ parendepth++;
continue;
}
if (uid == endparenUid) {
- parendepth--;
- if (parendepth < 0) {
- break;
- }
- }
- }
- return result;
-
- } else if (uid == xorUid) {
- /*
- * if the previous result was 1
- * then negate the next result
- */
- negate_result = result;
-
- } else if (uid == endparenUid) {
- return result;
+ parendepth--;
+ if (parendepth < 0) {
+ break;
+ }
+ }
+ }
+ return result;
+
+ } else if (uid == xorUid) {
+ /*
+ * if the previous result was 1 then negate the next
+ * result.
+ */
+ negate_result = result;
+
+ } else if (uid == endparenUid) {
+ return result;
/*
- * } else {
- * assert(0);
+ * } else {
+ * assert(0);
*/
- }
- looking_for_tag = 1;
- }
+ }
+ looking_for_tag = 1;
+ }
}
/*
* assert(! looking_for_tag);
@@ -3637,27 +3628,27 @@ TagSearchEvalExpr(expr, itemPtr)
*
* TagSearchFirst --
*
- * This procedure is called to get the first item
- * item that matches a preestablished search predicate
- * that was set by TagSearchScan.
+ * This procedure is called to get the first item item that
+ * matches a preestablished search predicate that was set by
+ * TagSearchScan.
*
* Results:
- * The return value is a pointer to the first item, or NULL
- * if there is no such item. The information at *searchPtr
- * is updated such that successive calls to TagSearchNext
- * will return successive items.
+ * The return value is a pointer to the first item, or NULL if
+ * there is no such item. The information at *searchPtr is
+ * updated such that successive calls to TagSearchNext will
+ * return successive items.
*
* Side effects:
- * SearchPtr is linked into a list of searches in progress
- * on canvasPtr, so that elements can safely be deleted
- * while the search is in progress.
+ * SearchPtr is linked into a list of searches in progress on
+ * canvasPtr, so that elements can safely be deleted while the
+ * search is in progress.
*
*--------------------------------------------------------------
*/
static Tk_Item *
TagSearchFirst(searchPtr)
- TagSearch *searchPtr; /* Record describing tag search */
+ TagSearch *searchPtr; /* Record describing tag search */
{
Tk_Item *itemPtr, *lastPtr;
Tk_Uid uid, *tagPtr;
@@ -3665,7 +3656,7 @@ TagSearchFirst(searchPtr)
/* short circuit impossible searches for null tags */
if (searchPtr->stringLength == 0) {
- return NULL;
+ return NULL;
}
/*
@@ -3676,57 +3667,55 @@ TagSearchFirst(searchPtr)
*/
if (searchPtr->type == SEARCH_TYPE_ID) {
- Tcl_HashEntry *entryPtr;
+ Tcl_HashEntry *entryPtr;
- itemPtr = searchPtr->canvasPtr->hotPtr;
- lastPtr = searchPtr->canvasPtr->hotPrevPtr;
- if ((itemPtr == NULL) || (itemPtr->id != searchPtr->id) || (lastPtr == NULL)
- || (lastPtr->nextPtr != itemPtr)) {
- entryPtr = Tcl_FindHashEntry(&searchPtr->canvasPtr->idTable,
+ itemPtr = searchPtr->canvasPtr->hotPtr;
+ lastPtr = searchPtr->canvasPtr->hotPrevPtr;
+ if ((itemPtr == NULL) || (itemPtr->id != searchPtr->id)
+ || (lastPtr == NULL) || (lastPtr->nextPtr != itemPtr)) {
+ entryPtr = Tcl_FindHashEntry(&searchPtr->canvasPtr->idTable,
(char *) searchPtr->id);
- if (entryPtr != NULL) {
- itemPtr = (Tk_Item *)Tcl_GetHashValue(entryPtr);
- lastPtr = itemPtr->prevPtr;
- } else {
- lastPtr = itemPtr = NULL;
- }
- }
- searchPtr->lastPtr = lastPtr;
- searchPtr->searchOver = 1;
- searchPtr->canvasPtr->hotPtr = itemPtr;
- searchPtr->canvasPtr->hotPrevPtr = lastPtr;
- return itemPtr;
+ if (entryPtr != NULL) {
+ itemPtr = (Tk_Item *)Tcl_GetHashValue(entryPtr);
+ lastPtr = itemPtr->prevPtr;
+ } else {
+ lastPtr = itemPtr = NULL;
+ }
+ }
+ searchPtr->lastPtr = lastPtr;
+ searchPtr->searchOver = 1;
+ searchPtr->canvasPtr->hotPtr = itemPtr;
+ searchPtr->canvasPtr->hotPrevPtr = lastPtr;
+ return itemPtr;
}
if (searchPtr->type == SEARCH_TYPE_ALL) {
+ /*
+ * All items match.
+ */
- /*
- * All items match.
- */
-
- searchPtr->lastPtr = NULL;
- searchPtr->currentPtr = searchPtr->canvasPtr->firstItemPtr;
- return searchPtr->canvasPtr->firstItemPtr;
+ searchPtr->lastPtr = NULL;
+ searchPtr->currentPtr = searchPtr->canvasPtr->firstItemPtr;
+ return searchPtr->canvasPtr->firstItemPtr;
}
if (searchPtr->type == SEARCH_TYPE_TAG) {
+ /*
+ * Optimized single-tag search
+ */
- /*
- * Optimized single-tag search
- */
-
- uid = searchPtr->expr->uid;
- for (lastPtr = NULL, itemPtr = searchPtr->canvasPtr->firstItemPtr;
- itemPtr != NULL; lastPtr = itemPtr, itemPtr = itemPtr->nextPtr) {
- for (tagPtr = itemPtr->tagPtr, count = itemPtr->numTags;
- count > 0; tagPtr++, count--) {
- if (*tagPtr == uid) {
- searchPtr->lastPtr = lastPtr;
- searchPtr->currentPtr = itemPtr;
- return itemPtr;
- }
- }
- }
+ uid = searchPtr->expr->uid;
+ for (lastPtr = NULL, itemPtr = searchPtr->canvasPtr->firstItemPtr;
+ itemPtr != NULL; lastPtr = itemPtr, itemPtr = itemPtr->nextPtr) {
+ for (tagPtr = itemPtr->tagPtr, count = itemPtr->numTags;
+ count > 0; tagPtr++, count--) {
+ if (*tagPtr == uid) {
+ searchPtr->lastPtr = lastPtr;
+ searchPtr->currentPtr = itemPtr;
+ return itemPtr;
+ }
+ }
+ }
} else {
/*
@@ -3753,26 +3742,26 @@ TagSearchFirst(searchPtr)
*
* TagSearchNext --
*
- * This procedure returns successive items that match a given
- * tag; it should be called only after TagSearchFirst has been
- * used to begin a search.
+ * This procedure returns successive items that match a given
+ * tag; it should be called only after TagSearchFirst has been
+ * used to begin a search.
*
* Results:
- * The return value is a pointer to the next item that matches
- * the tag expr specified to TagSearchScan, or NULL if no such
- * item exists. *SearchPtr is updated so that the next call
- * to this procedure will return the next item.
+ * The return value is a pointer to the next item that matches
+ * the tag expr specified to TagSearchScan, or NULL if no such
+ * item exists. *SearchPtr is updated so that the next call
+ * to this procedure will return the next item.
*
* Side effects:
- * None.
+ * None.
*
*--------------------------------------------------------------
*/
static Tk_Item *
TagSearchNext(searchPtr)
- TagSearch *searchPtr; /* Record describing search in
- * progress. */
+ TagSearch *searchPtr; /* Record describing search in
+ * progress. */
{
Tk_Item *itemPtr, *lastPtr;
Tk_Uid uid, *tagPtr;
@@ -3785,57 +3774,55 @@ TagSearchNext(searchPtr)
lastPtr = searchPtr->lastPtr;
if (lastPtr == NULL) {
- itemPtr = searchPtr->canvasPtr->firstItemPtr;
+ itemPtr = searchPtr->canvasPtr->firstItemPtr;
} else {
- itemPtr = lastPtr->nextPtr;
+ itemPtr = lastPtr->nextPtr;
}
if ((itemPtr == NULL) || (searchPtr->searchOver)) {
- searchPtr->searchOver = 1;
- return NULL;
+ searchPtr->searchOver = 1;
+ return NULL;
}
if (itemPtr != searchPtr->currentPtr) {
- /*
- * The structure of the list has changed. Probably the
- * previously-returned item was removed from the list.
- * In this case, don't advance lastPtr; just return
- * its new successor (i.e. do nothing here).
- */
+ /*
+ * The structure of the list has changed. Probably the
+ * previously-returned item was removed from the list. In
+ * this case, don't advance lastPtr; just return its new
+ * successor (i.e. do nothing here).
+ */
} else {
- lastPtr = itemPtr;
- itemPtr = lastPtr->nextPtr;
+ lastPtr = itemPtr;
+ itemPtr = lastPtr->nextPtr;
}
if (searchPtr->type == SEARCH_TYPE_ALL) {
+ /*
+ * All items match.
+ */
- /*
- * All items match.
- */
-
- searchPtr->lastPtr = lastPtr;
- searchPtr->currentPtr = itemPtr;
- return itemPtr;
+ searchPtr->lastPtr = lastPtr;
+ searchPtr->currentPtr = itemPtr;
+ return itemPtr;
}
if (searchPtr->type == SEARCH_TYPE_TAG) {
+ /*
+ * Optimized single-tag search
+ */
- /*
- * Optimized single-tag search
- */
-
- uid = searchPtr->expr->uid;
- for ( ; itemPtr != NULL; lastPtr = itemPtr, itemPtr = itemPtr->nextPtr) {
- for (tagPtr = itemPtr->tagPtr, count = itemPtr->numTags;
- count > 0; tagPtr++, count--) {
- if (*tagPtr == uid) {
- searchPtr->lastPtr = lastPtr;
- searchPtr->currentPtr = itemPtr;
- return itemPtr;
- }
- }
- }
- searchPtr->lastPtr = lastPtr;
- searchPtr->searchOver = 1;
- return NULL;
+ uid = searchPtr->expr->uid;
+ for (; itemPtr != NULL; lastPtr = itemPtr, itemPtr = itemPtr->nextPtr) {
+ for (tagPtr = itemPtr->tagPtr, count = itemPtr->numTags;
+ count > 0; tagPtr++, count--) {
+ if (*tagPtr == uid) {
+ searchPtr->lastPtr = lastPtr;
+ searchPtr->currentPtr = itemPtr;
+ return itemPtr;
+ }
+ }
+ }
+ searchPtr->lastPtr = lastPtr;
+ searchPtr->searchOver = 1;
+ return NULL;
}
/*
@@ -3843,12 +3830,12 @@ TagSearchNext(searchPtr)
*/
for ( ; itemPtr != NULL; lastPtr = itemPtr, itemPtr = itemPtr->nextPtr) {
- searchPtr->expr->index = 0;
- if (TagSearchEvalExpr(searchPtr->expr, itemPtr)) {
- searchPtr->lastPtr = lastPtr;
- searchPtr->currentPtr = itemPtr;
- return itemPtr;
- }
+ searchPtr->expr->index = 0;
+ if (TagSearchEvalExpr(searchPtr->expr, itemPtr)) {
+ searchPtr->lastPtr = lastPtr;
+ searchPtr->currentPtr = itemPtr;
+ return itemPtr;
+ }
}
searchPtr->lastPtr = lastPtr;
searchPtr->searchOver = 1;
@@ -3982,7 +3969,7 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
* of elements of argv which are already
* handled. */
#ifndef USE_OLD_TAG_SEARCH
- TagSearch **searchPtrPtr; /* From CanvasWidgetCmd local vars*/
+ TagSearch **searchPtrPtr; /* From CanvasWidgetCmd local vars*/
#endif /* not USE_OLD_TAG_SEARCH */
{
#ifdef USE_OLD_TAG_SEARCH
@@ -4001,7 +3988,7 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
};
if (newTag != NULL) {
- uid = Tk_GetUid(Tcl_GetStringFromObj(newTag, NULL));
+ uid = Tk_GetUid(Tcl_GetString(newTag));
} else {
uid = NULL;
}
@@ -4010,8 +3997,9 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
return TCL_ERROR;
}
switch ((enum options) index) {
- case CANV_ABOVE: {
+ case CANV_ABOVE: {
Tk_Item *lastPtr = NULL;
+
if (argc != first+2) {
Tcl_WrongNumArgs(interp, first+1, argv, "tagOrId");
return TCL_ERROR;
@@ -4019,21 +4007,23 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
#ifdef USE_OLD_TAG_SEARCH
for (itemPtr = StartTagSearch(canvasPtr, argv[first+1], &search);
itemPtr != NULL; itemPtr = NextItem(&search)) {
+ 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)) {
-#endif /* 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);
}
break;
- }
- case CANV_ALL: {
+ }
+ case CANV_ALL:
if (argc != first+1) {
Tcl_WrongNumArgs(interp, first+1, argv, (char *) NULL);
return TCL_ERROR;
@@ -4044,8 +4034,8 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
DoItem(interp, itemPtr, uid);
}
break;
- }
- case CANV_BELOW: {
+
+ case CANV_BELOW: {
Tk_Item *itemPtr;
if (argc != first+2) {
@@ -4055,10 +4045,10 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
#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);
+ if (TagSearchScan(canvasPtr, argv[first+1], searchPtrPtr) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ itemPtr = TagSearchFirst(*searchPtrPtr);
#endif /* USE_OLD_TAG_SEARCH */
if (itemPtr != NULL) {
if (itemPtr->prevPtr != NULL) {
@@ -4066,8 +4056,8 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
}
}
break;
- }
- case CANV_CLOSEST: {
+ }
+ case CANV_CLOSEST: {
double closestDist;
Tk_Item *startPtr, *closestPtr;
double coords[2], halo;
@@ -4105,10 +4095,10 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
#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);
+ if (TagSearchScan(canvasPtr, argv[first+4], searchPtrPtr) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ itemPtr = TagSearchFirst(*searchPtrPtr);
#endif /* USE_OLD_TAG_SEARCH */
if (itemPtr != NULL) {
startPtr = itemPtr;
@@ -4125,7 +4115,8 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
itemPtr = startPtr;
while(itemPtr && (itemPtr->state == TK_STATE_HIDDEN ||
- (itemPtr->state == TK_STATE_NULL && canvasPtr->canvas_state == TK_STATE_HIDDEN))) {
+ (itemPtr->state == TK_STATE_NULL &&
+ canvasPtr->canvas_state == TK_STATE_HIDDEN))) {
itemPtr = itemPtr->nextPtr;
}
if (itemPtr == NULL) {
@@ -4165,7 +4156,8 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
DoItem(interp, closestPtr, uid);
return TCL_OK;
}
- if (itemPtr->state == TK_STATE_HIDDEN || (itemPtr->state == TK_STATE_NULL &&
+ if (itemPtr->state == TK_STATE_HIDDEN ||
+ (itemPtr->state == TK_STATE_NULL &&
canvasPtr->canvas_state == TK_STATE_HIDDEN)) {
continue;
}
@@ -4185,22 +4177,20 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
}
}
break;
- }
- case CANV_ENCLOSED: {
+ }
+ case CANV_ENCLOSED:
if (argc != first+5) {
Tcl_WrongNumArgs(interp, first+1, argv, "x1 y1 x2 y2");
return TCL_ERROR;
}
return FindArea(interp, canvasPtr, argv+first+1, uid, 1);
- }
- case CANV_OVERLAPPING: {
+ case CANV_OVERLAPPING:
if (argc != first+5) {
Tcl_WrongNumArgs(interp, first+1, argv, "x1 y1 x2 y2");
return TCL_ERROR;
}
return FindArea(interp, canvasPtr, argv+first+1, uid, 0);
- }
- case CANV_WITHTAG: {
+ case CANV_WITHTAG:
if (argc != first+2) {
Tcl_WrongNumArgs(interp, first+1, argv, "tagOrId");
return TCL_ERROR;
@@ -4208,16 +4198,17 @@ FindItems(interp, canvasPtr, argc, argv, newTag, first, searchPtrPtr)
#ifdef USE_OLD_TAG_SEARCH
for (itemPtr = StartTagSearch(canvasPtr, argv[first+1], &search);
itemPtr != NULL; itemPtr = NextItem(&search)) {
+ 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)) {
-#endif /* 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;
}
@@ -4366,10 +4357,10 @@ RelinkItems(canvasPtr, tag, prevPtr, searchPtrPtr)
itemPtr != NULL; itemPtr = NextItem(&search)) {
#else /* USE_OLD_TAG_SEARCH */
if (TagSearchScan(canvasPtr, tag, searchPtrPtr) != TCL_OK) {
- return TCL_ERROR;
+ return TCL_ERROR;
}
for (itemPtr = TagSearchFirst(*searchPtrPtr);
- itemPtr != NULL; itemPtr = TagSearchNext(*searchPtrPtr)) {
+ itemPtr != NULL; itemPtr = TagSearchNext(*searchPtrPtr)) {
#endif /* USE_OLD_TAG_SEARCH */
if (itemPtr == prevPtr) {
/*
@@ -4414,7 +4405,7 @@ RelinkItems(canvasPtr, tag, prevPtr, searchPtrPtr)
#ifdef USE_OLD_TAG_SEARCH
return;
#else /* USE_OLD_TAG_SEARCH */
- return TCL_OK;
+ return TCL_OK;
#endif /* USE_OLD_TAG_SEARCH */
}
if (prevPtr == NULL) {
@@ -4479,24 +4470,24 @@ CanvasBindProc(clientData, eventPtr)
int mask;
switch (eventPtr->xbutton.button) {
- case Button1:
- mask = Button1Mask;
- break;
- case Button2:
- mask = Button2Mask;
- break;
- case Button3:
- mask = Button3Mask;
- break;
- case Button4:
- mask = Button4Mask;
- break;
- case Button5:
- mask = Button5Mask;
- break;
- default:
- mask = 0;
- break;
+ case Button1:
+ mask = Button1Mask;
+ break;
+ case Button2:
+ mask = Button2Mask;
+ break;
+ case Button3:
+ mask = Button3Mask;
+ break;
+ case Button4:
+ mask = Button4Mask;
+ break;
+ case Button5:
+ mask = Button5Mask;
+ break;
+ default:
+ mask = 0;
+ break;
}
/*
@@ -4558,7 +4549,7 @@ CanvasBindProc(clientData, eventPtr)
* item has changed, generate a fake exit event on the old
* current item, a fake enter event on the new current item
* item and force a redraw of the two items. Canvas items
- * that are hidden or disabled are ignored.
+ * that are hidden or disabled are ignored.
*
* Results:
* None.
@@ -4750,7 +4741,7 @@ PickCurrentItem(canvasPtr, eventPtr)
#ifdef USE_OLD_TAG_SEARCH
DoItem((Tcl_Interp *) NULL, canvasPtr->currentItemPtr,
- Tk_GetUid("current"));
+ Tk_GetUid("current"));
#else /* USE_OLD_TAG_SEARCH */
DoItem((Tcl_Interp *) NULL, canvasPtr->currentItemPtr, currentUid);
#endif /* USE_OLD_TAG_SEA */
@@ -5300,8 +5291,8 @@ CanvasUpdateScrollbars(canvasPtr)
{
int result;
Tcl_Interp *interp;
- int xOrigin, yOrigin, inset, width, height, scrollX1, scrollX2,
- scrollY1, scrollY2;
+ int xOrigin, yOrigin, inset, width, height;
+ int scrollX1, scrollX2, scrollY1, scrollY2;
char *xScrollCmd, *yScrollCmd;
/*
@@ -5313,11 +5304,11 @@ CanvasUpdateScrollbars(canvasPtr)
Tcl_Preserve((ClientData) interp);
xScrollCmd = canvasPtr->xScrollCmd;
if (xScrollCmd != (char *) NULL) {
- Tcl_Preserve((ClientData) xScrollCmd);
+ Tcl_Preserve((ClientData) xScrollCmd);
}
yScrollCmd = canvasPtr->yScrollCmd;
if (yScrollCmd != (char *) NULL) {
- Tcl_Preserve((ClientData) yScrollCmd);
+ Tcl_Preserve((ClientData) yScrollCmd);
}
xOrigin = canvasPtr->xOrigin;
yOrigin = canvasPtr->yOrigin;
@@ -5339,7 +5330,7 @@ CanvasUpdateScrollbars(canvasPtr)
Tcl_BackgroundError(interp);
}
Tcl_ResetResult(interp);
- Tcl_Release((ClientData) xScrollCmd);
+ Tcl_Release((ClientData) xScrollCmd);
}
if (yScrollCmd != NULL) {
@@ -5352,7 +5343,7 @@ CanvasUpdateScrollbars(canvasPtr)
Tcl_BackgroundError(interp);
}
Tcl_ResetResult(interp);
- Tcl_Release((ClientData) yScrollCmd);
+ Tcl_Release((ClientData) yScrollCmd);
}
Tcl_Release((ClientData) interp);
}
@@ -5517,7 +5508,7 @@ TkGetStringsFromObjs(argc, objv)
}
argv = (CONST char **) ckalloc((argc+1) * sizeof(char *));
for (i = 0; i < argc; i++) {
- argv[i]=Tcl_GetStringFromObj(objv[i], (int *) NULL);
+ argv[i] = Tcl_GetString(objv[i]);
}
argv[argc] = 0;
return argv;