919 lines
28 KiB
Plaintext
919 lines
28 KiB
Plaintext
*** tkText.c 1997/07/04 22:39:41 2.0
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--- ../generic/tkText.c 1997/08/15 22:25:21
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***************
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*** 866,871 ****
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--- 866,872 ----
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|| (textPtr->selTagPtr->spacing2String != NULL)
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|| (textPtr->selTagPtr->spacing3String != NULL)
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|| (textPtr->selTagPtr->tabString != NULL)
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+ || (textPtr->selTagPtr->elideString != NULL)
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|| (textPtr->selTagPtr->underlineString != NULL)
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|| (textPtr->selTagPtr->wrapMode != NULL)) {
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textPtr->selTagPtr->affectsDisplay = 1;
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***************
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*** 1414,1420 ****
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}
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}
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}
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! if (segPtr->typePtr == &tkTextCharType) {
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memcpy((VOID *) buffer, (VOID *) (segPtr->body.chars
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+ offsetInSeg), (size_t) chunkSize);
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buffer += chunkSize;
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--- 1415,1421 ----
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}
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}
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}
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! if (segPtr->typePtr == &tkTextCharType && !TkTextIsElided(textPtr, &textPtr->selIndex)) {
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memcpy((VOID *) buffer, (VOID *) (segPtr->body.chars
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+ offsetInSeg), (size_t) chunkSize);
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buffer += chunkSize;
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***************
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*** 1555,1561 ****
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int argc; /* Number of arguments. */
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char **argv; /* Argument strings. */
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{
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! int backwards, exact, c, i, argsLeft, noCase, leftToScan;
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size_t length;
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int numLines, startingLine, startingChar, lineNum, firstChar, lastChar;
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int code, matchLength, matchChar, passes, stopLine, searchWholeText;
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--- 1556,1562 ----
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int argc; /* Number of arguments. */
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char **argv; /* Argument strings. */
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{
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! int backwards, exact, searchElide, c, i, argsLeft, noCase, leftToScan;
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size_t length;
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int numLines, startingLine, startingChar, lineNum, firstChar, lastChar;
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int code, matchLength, matchChar, passes, stopLine, searchWholeText;
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***************
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*** 1566,1571 ****
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--- 1567,1573 ----
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Tcl_DString line, patDString;
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TkTextSegment *segPtr;
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TkTextLine *linePtr;
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+ TkTextIndex curIndex;
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Tcl_RegExp regexp = NULL; /* Initialization needed only to
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* prevent compiler warning. */
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***************
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*** 1574,1579 ****
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--- 1576,1583 ----
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*/
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exact = 1;
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+ searchElide = 0;
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+ curIndex.tree = textPtr->tree;
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backwards = 0;
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noCase = 0;
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varName = NULL;
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***************
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*** 1587,1593 ****
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badSwitch:
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Tcl_AppendResult(interp, "bad switch \"", arg,
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"\": must be -forward, -backward, -exact, -regexp, ",
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! "-nocase, -count, or --", (char *) NULL);
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return TCL_ERROR;
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}
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c = arg[1];
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--- 1591,1597 ----
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badSwitch:
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Tcl_AppendResult(interp, "bad switch \"", arg,
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"\": must be -forward, -backward, -exact, -regexp, ",
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! "-nocase, -count, -elide, or --", (char *) NULL);
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return TCL_ERROR;
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}
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c = arg[1];
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***************
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*** 1608,1613 ****
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--- 1612,1619 ----
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noCase = 1;
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} else if ((c == 'r') && (strncmp(argv[i], "-regexp", length) == 0)) {
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exact = 0;
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+ } else if ((c == 'e') && (strncmp(argv[i], "-elide", length) == 0)) {
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+ searchElide = 1;
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} else if ((c == '-') && (strncmp(argv[i], "--", length) == 0)) {
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i++;
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break;
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***************
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*** 1703,1711 ****
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*/
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linePtr = TkBTreeFindLine(textPtr->tree, lineNum);
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for (segPtr = linePtr->segPtr; segPtr != NULL;
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! segPtr = segPtr->nextPtr) {
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! if (segPtr->typePtr != &tkTextCharType) {
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continue;
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}
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Tcl_DStringAppend(&line, segPtr->body.chars, segPtr->size);
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--- 1709,1718 ----
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*/
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linePtr = TkBTreeFindLine(textPtr->tree, lineNum);
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+ curIndex.linePtr = linePtr; curIndex.charIndex = 0;
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for (segPtr = linePtr->segPtr; segPtr != NULL;
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! curIndex.charIndex += segPtr->size, segPtr = segPtr->nextPtr) {
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! if (segPtr->typePtr != &tkTextCharType || (!searchElide && TkTextIsElided(textPtr, &curIndex))) {
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continue;
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}
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Tcl_DStringAppend(&line, segPtr->body.chars, segPtr->size);
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*** tkText.h 1997/07/04 22:39:41 2.0
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--- ../generic/tkText.h 1997/08/15 22:18:56
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***************
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*** 370,375 ****
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--- 370,379 ----
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* Must be tkTextCharUid, tkTextNoneUid,
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* tkTextWordUid, or NULL to use wrapMode
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* for whole widget. */
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+ char *elideString; /* -elide option string (malloc-ed).
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+ * NULL means option not specified. */
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+ int elide; /* Non-zero means text is elided.
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+ * Only valid if elideString is non-NULL. */
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int affectsDisplay; /* Non-zero means that this tag affects the
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* way information is displayed on the screen
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* (so need to redisplay if tag changes). */
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***************
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*** 800,805 ****
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--- 804,811 ----
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ClientData clientData));
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extern TkTextIndex * TkTextMakeIndex _ANSI_ARGS_((TkTextBTree tree,
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int lineIndex, int charIndex,
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+ TkTextIndex *indexPtr));
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+ extern int TkTextIsElided _ANSI_ARGS_((TkText *textPtr,
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TkTextIndex *indexPtr));
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extern int TkTextMarkCmd _ANSI_ARGS_((TkText *textPtr,
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Tcl_Interp *interp, int argc, char **argv));
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*** tkTextBTree.c 1997/07/04 22:39:41 2.0
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--- ../generic/tkTextBTree.c 1997/08/15 22:20:16
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***************
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*** 2427,2432 ****
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--- 2427,2558 ----
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}
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return tagInfo.tagPtrs;
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}
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+
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+
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+ /*
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+ special case to just return information about elided attribute
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+ specialized from TkBTreeGetTags(indexPtr, numTagsPtr) and GetStyle(textPtr, indexPtr)
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+ just need to keep track of invisibility settings for each priority, pick highest one active at end
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+ */
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+ int
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+ TkTextIsElided(textPtr, indexPtr)
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+ TkText *textPtr; /* Overall information about text widget. */
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+ TkTextIndex *indexPtr; /* The character in the text for which
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+ * display information is wanted. */
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+ {
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+ #define LOTSA_TAGS 1000
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+ int elide = 0; /* if nobody says otherwise, it's visible */
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+
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+ int deftagCnts[LOTSA_TAGS];
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+ int *tagCnts = deftagCnts;
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+ TkTextTag *deftagPtrs[LOTSA_TAGS];
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+ TkTextTag **tagPtrs = deftagPtrs;
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+ int numTags = textPtr->numTags;
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+ register Node *nodePtr;
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+ register TkTextLine *siblingLinePtr;
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+ register TkTextSegment *segPtr;
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+ register TkTextTag *tagPtr;
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+ register int i, index;
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+
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+ /* almost always avoid malloc, so stay out of system calls */
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+ if (LOTSA_TAGS < numTags) {
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+ tagCnts = (int *)ckalloc((unsigned)sizeof(int) * numTags);
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+ tagPtrs = (TkTextTag **)ckalloc((unsigned)sizeof(TkTextTag *) * numTags);
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+ }
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+
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+ for (i=0; i<numTags; i++) tagCnts[i]=0;
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+
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+
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+ /*
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+ * Record tag toggles within the line of indexPtr but preceding
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+ * indexPtr.
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+ */
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+
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+ for (index = 0, segPtr = indexPtr->linePtr->segPtr;
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+ (index + segPtr->size) <= indexPtr->charIndex;
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+ index += segPtr->size, segPtr = segPtr->nextPtr) {
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+ if ((segPtr->typePtr == &tkTextToggleOnType)
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+ || (segPtr->typePtr == &tkTextToggleOffType)) {
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+ tagPtr = segPtr->body.toggle.tagPtr;
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+ if (tagPtr->elideString != NULL) {
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+ tagPtrs[tagPtr->priority] = tagPtr;
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+ tagCnts[tagPtr->priority]++;
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+ }
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+ }
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+ }
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+
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+ /*
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+ * Record toggles for tags in lines that are predecessors of
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+ * indexPtr->linePtr but under the same level-0 node.
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+ */
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+
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+ for (siblingLinePtr = indexPtr->linePtr->parentPtr->children.linePtr;
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+ siblingLinePtr != indexPtr->linePtr;
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+ siblingLinePtr = siblingLinePtr->nextPtr) {
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+ for (segPtr = siblingLinePtr->segPtr; segPtr != NULL;
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+ segPtr = segPtr->nextPtr) {
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+ if ((segPtr->typePtr == &tkTextToggleOnType)
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+ || (segPtr->typePtr == &tkTextToggleOffType)) {
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+ tagPtr = segPtr->body.toggle.tagPtr;
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+ if (tagPtr->elideString != NULL) {
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+ tagPtrs[tagPtr->priority] = tagPtr;
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+ tagCnts[tagPtr->priority]++;
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+ }
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+ }
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+ }
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+ }
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+
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+ /*
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+ * For each node in the ancestry of this line, record tag toggles
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+ * for all siblings that precede that node.
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+ */
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+
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+ for (nodePtr = indexPtr->linePtr->parentPtr; nodePtr->parentPtr != NULL;
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+ nodePtr = nodePtr->parentPtr) {
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+ register Node *siblingPtr;
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+ register Summary *summaryPtr;
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+
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+ for (siblingPtr = nodePtr->parentPtr->children.nodePtr;
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+ siblingPtr != nodePtr; siblingPtr = siblingPtr->nextPtr) {
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+ for (summaryPtr = siblingPtr->summaryPtr; summaryPtr != NULL;
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+ summaryPtr = summaryPtr->nextPtr) {
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+ if (summaryPtr->toggleCount & 1) {
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+ tagPtr = summaryPtr->tagPtr;
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+ if (tagPtr->elideString != NULL) {
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+ tagPtrs[tagPtr->priority] = tagPtr;
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+ tagCnts[tagPtr->priority] += summaryPtr->toggleCount;
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+
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+ /*
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+ * Now traverse from highest priority to lowest,
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+ * take elided value from first odd count (= on)
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+ */
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+
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+ for (i = numTags-1; i >=0; i--) {
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+ if (tagCnts[i] & 1) {
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+ #ifndef ALWAYS_SHOW_SELECTION
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+ /* who would make the selection elided? */
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+ if ((tagPtr == textPtr->selTagPtr) && !(textPtr->flags & GOT_FOCUS)) {
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+ continue;
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+ }
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+ #endif
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+ elide = tagPtrs[i]->elide;
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+ break;
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+ }
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+ }
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+
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+ if (LOTSA_TAGS < numTags) {
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+ ckfree((char *) tagCnts);
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+ ckfree((char *) tagPtrs);
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+ }
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+
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+ return elide;
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+ }
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/*
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*----------------------------------------------------------------------
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*** tkTextDisp.c 1997/07/04 22:39:41 2.0
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--- ../generic/tkTextDisp.c 1997/08/16 01:20:18
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***************
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*** 55,60 ****
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--- 55,61 ----
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* be NULL). */
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int underline; /* Non-zero means draw underline underneath
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* text. */
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+ int elide; /* Non-zero means draw text */
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Tk_Uid wrapMode; /* How to handle wrap-around for this tag.
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* One of tkTextCharUid, tkTextNoneUid,
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* or tkTextWordUid. */
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***************
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*** 311,316 ****
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--- 312,332 ----
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int x));
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static void CharUndisplayProc _ANSI_ARGS_((TkText *textPtr,
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TkTextDispChunk *chunkPtr));
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+
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+ /*
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+ Definitions of elided procs.
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+ Compiler can't inline these since we use pointers to these functions.
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+ ElideDisplayProc, ElideUndisplayProc special-cased for speed,
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+ as potentially many elided DLine chunks if large, tag toggle-filled
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+ elided region.
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+ */
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+ static void ElideBboxProc _ANSI_ARGS_((TkTextDispChunk *chunkPtr,
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+ int index, int y, int lineHeight, int baseline,
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+ int *xPtr, int *yPtr, int *widthPtr,
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+ int *heightPtr));
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+ static int ElideMeasureProc _ANSI_ARGS_((TkTextDispChunk *chunkPtr,
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+ int x));
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+
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static void DisplayDLine _ANSI_ARGS_((TkText *textPtr,
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DLine *dlPtr, DLine *prevPtr, Pixmap pixmap));
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static void DisplayLineBackground _ANSI_ARGS_((TkText *textPtr,
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***************
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*** 479,485 ****
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int borderPrio, borderWidthPrio, reliefPrio, bgStipplePrio;
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int fgPrio, fontPrio, fgStipplePrio;
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! int underlinePrio, justifyPrio, offsetPrio;
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int lMargin1Prio, lMargin2Prio, rMarginPrio;
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int spacing1Prio, spacing2Prio, spacing3Prio;
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int overstrikePrio, tabPrio, wrapPrio;
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--- 495,501 ----
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int borderPrio, borderWidthPrio, reliefPrio, bgStipplePrio;
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int fgPrio, fontPrio, fgStipplePrio;
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! int underlinePrio, elidePrio, justifyPrio, offsetPrio;
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int lMargin1Prio, lMargin2Prio, rMarginPrio;
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int spacing1Prio, spacing2Prio, spacing3Prio;
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int overstrikePrio, tabPrio, wrapPrio;
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***************
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*** 494,500 ****
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tagPtrs = TkBTreeGetTags(indexPtr, &numTags);
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borderPrio = borderWidthPrio = reliefPrio = bgStipplePrio = -1;
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fgPrio = fontPrio = fgStipplePrio = -1;
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! underlinePrio = justifyPrio = offsetPrio = -1;
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lMargin1Prio = lMargin2Prio = rMarginPrio = -1;
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spacing1Prio = spacing2Prio = spacing3Prio = -1;
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overstrikePrio = tabPrio = wrapPrio = -1;
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--- 510,516 ----
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tagPtrs = TkBTreeGetTags(indexPtr, &numTags);
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borderPrio = borderWidthPrio = reliefPrio = bgStipplePrio = -1;
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fgPrio = fontPrio = fgStipplePrio = -1;
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! underlinePrio = elidePrio = justifyPrio = offsetPrio = -1;
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lMargin1Prio = lMargin2Prio = rMarginPrio = -1;
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spacing1Prio = spacing2Prio = spacing3Prio = -1;
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overstrikePrio = tabPrio = wrapPrio = -1;
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***************
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*** 612,617 ****
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--- 628,638 ----
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styleValues.underline = tagPtr->underline;
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underlinePrio = tagPtr->priority;
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}
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+ if ((tagPtr->elideString != NULL)
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+ && (tagPtr->priority > elidePrio)) {
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+ styleValues.elide = tagPtr->elide;
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+ elidePrio = tagPtr->priority;
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+ }
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if ((tagPtr->wrapMode != NULL)
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&& (tagPtr->priority > wrapPrio)) {
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styleValues.wrapMode = tagPtr->wrapMode;
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***************
|
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*** 768,774 ****
|
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* lines with numChars > 0. Used to
|
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* drop 0-sized chunks from the end
|
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* of the line. */
|
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! int offset, ascent, descent, code;
|
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StyleValues *sValuePtr;
|
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|
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/*
|
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--- 789,795 ----
|
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* lines with numChars > 0. Used to
|
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* drop 0-sized chunks from the end
|
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* of the line. */
|
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! int offset, ascent, descent, code, elide, elidesize;
|
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StyleValues *sValuePtr;
|
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|
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/*
|
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***************
|
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*** 786,791 ****
|
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--- 807,840 ----
|
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dlPtr->nextPtr = NULL;
|
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dlPtr->flags = NEW_LAYOUT;
|
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|
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+
|
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+ /*
|
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+ * special case entirely elide line as there may be 1000s or more
|
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+ */
|
||
+ elide = TkTextIsElided(textPtr, indexPtr); /* save a malloc */
|
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+ if (elide && indexPtr->charIndex==0) {
|
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+ maxChars = 0;
|
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+ for (segPtr = indexPtr->linePtr->segPtr; elide && segPtr!=NULL; segPtr = segPtr->nextPtr) {
|
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+ if ((elidesize = segPtr->size) > 0) {
|
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+ maxChars += elidesize;
|
||
+
|
||
+ /* if have tag toggle, chance that invisibility state changed, so bail out */
|
||
+ } else if (segPtr->typePtr == &tkTextToggleOffType || segPtr->typePtr == &tkTextToggleOnType) {
|
||
+ if (segPtr->body.toggle.tagPtr->elideString!=NULL) {
|
||
+ elide = (segPtr->typePtr == &tkTextToggleOffType) ^ (segPtr->body.toggle.tagPtr->elide==1);
|
||
+ }
|
||
+ }
|
||
+ }
|
||
+
|
||
+ if (elide) {
|
||
+ dlPtr->count = maxChars;
|
||
+ dlPtr->spaceAbove = dlPtr->spaceBelow = dlPtr->length = 0;
|
||
+ return dlPtr;
|
||
+ }
|
||
+ }
|
||
+
|
||
+
|
||
+
|
||
/*
|
||
* Each iteration of the loop below creates one TkTextDispChunk for
|
||
* the new display line. The line will always have at least one
|
||
***************
|
||
*** 797,802 ****
|
||
--- 846,852 ----
|
||
lastChunkPtr = NULL;
|
||
chunkPtr = NULL;
|
||
noCharsYet = 1;
|
||
+ elide = 0;
|
||
breakChunkPtr = NULL;
|
||
breakCharOffset = 0;
|
||
justify = TK_JUSTIFY_LEFT;
|
||
***************
|
||
*** 821,826 ****
|
||
--- 871,901 ----
|
||
}
|
||
|
||
while (segPtr != NULL) {
|
||
+
|
||
+ /* every line still gets at least one chunk due to expectations in rest of code,
|
||
+ but able to skip elided portions of line quickly */
|
||
+ /* if current chunk elided and last chunk was too, coalese */
|
||
+ if (elide && lastChunkPtr!=NULL && lastChunkPtr->displayProc == NULL/*ElideDisplayProc*/) {
|
||
+ if ((elidesize = segPtr->size - offset) > 0) {
|
||
+ curIndex.charIndex += elidesize;
|
||
+ lastChunkPtr->numChars += elidesize;
|
||
+ breakCharOffset = lastChunkPtr->breakIndex = lastChunkPtr->numChars;
|
||
+
|
||
+ /* if have tag toggle, chance that invisibility state changed */
|
||
+ } else if (segPtr->typePtr == &tkTextToggleOffType || segPtr->typePtr == &tkTextToggleOnType) {
|
||
+ if (segPtr->body.toggle.tagPtr->elideString!=NULL) {
|
||
+ elide = (segPtr->typePtr == &tkTextToggleOffType) ^ (segPtr->body.toggle.tagPtr->elide==1);
|
||
+ }
|
||
+ }
|
||
+
|
||
+ offset = 0;
|
||
+ segPtr = segPtr->nextPtr;
|
||
+ if (segPtr == NULL && chunkPtr != NULL) ckfree((char *) chunkPtr);
|
||
+
|
||
+ continue;
|
||
+ }
|
||
+
|
||
+
|
||
if (segPtr->typePtr->layoutProc == NULL) {
|
||
segPtr = segPtr->nextPtr;
|
||
offset = 0;
|
||
***************
|
||
*** 831,836 ****
|
||
--- 906,912 ----
|
||
chunkPtr->nextPtr = NULL;
|
||
}
|
||
chunkPtr->stylePtr = GetStyle(textPtr, &curIndex);
|
||
+ elide = chunkPtr->stylePtr->sValuePtr->elide;
|
||
|
||
/*
|
||
* Save style information such as justification and indentation,
|
||
***************
|
||
*** 864,870 ****
|
||
|
||
gotTab = 0;
|
||
maxChars = segPtr->size - offset;
|
||
! if (justify == TK_JUSTIFY_LEFT) {
|
||
if (segPtr->typePtr == &tkTextCharType) {
|
||
char *p;
|
||
|
||
--- 940,946 ----
|
||
|
||
gotTab = 0;
|
||
maxChars = segPtr->size - offset;
|
||
! if (!elide && justify == TK_JUSTIFY_LEFT) {
|
||
if (segPtr->typePtr == &tkTextCharType) {
|
||
char *p;
|
||
|
||
***************
|
||
*** 877,884 ****
|
||
}
|
||
}
|
||
}
|
||
-
|
||
chunkPtr->x = x;
|
||
code = (*segPtr->typePtr->layoutProc)(textPtr, &curIndex, segPtr,
|
||
offset, maxX-tabSize, maxChars, noCharsYet, wrapMode,
|
||
chunkPtr);
|
||
--- 953,973 ----
|
||
}
|
||
}
|
||
}
|
||
chunkPtr->x = x;
|
||
+ if (elide && maxChars) {
|
||
+ /* don't free style here, as other code expects to be able to do that */
|
||
+ /*breakCharOffset =*/ chunkPtr->breakIndex = chunkPtr->numChars = maxChars;
|
||
+ chunkPtr->width = 0;
|
||
+ chunkPtr->minAscent = chunkPtr->minDescent = chunkPtr->minHeight = 0;
|
||
+
|
||
+ /* would just like to point to canonical empty chunk */
|
||
+ chunkPtr->displayProc = (Tk_ChunkDisplayProc *) NULL;
|
||
+ chunkPtr->undisplayProc = (Tk_ChunkUndisplayProc *) NULL;
|
||
+ chunkPtr->measureProc = ElideMeasureProc;
|
||
+ chunkPtr->bboxProc = ElideBboxProc;
|
||
+
|
||
+ code = 1;
|
||
+ } else
|
||
code = (*segPtr->typePtr->layoutProc)(textPtr, &curIndex, segPtr,
|
||
offset, maxX-tabSize, maxChars, noCharsYet, wrapMode,
|
||
chunkPtr);
|
||
***************
|
||
*** 950,955 ****
|
||
--- 1039,1045 ----
|
||
offset = 0;
|
||
segPtr = segPtr->nextPtr;
|
||
}
|
||
+
|
||
chunkPtr = NULL;
|
||
}
|
||
if (noCharsYet) {
|
||
***************
|
||
*** 998,1003 ****
|
||
--- 1088,1094 ----
|
||
wholeLine = 0;
|
||
}
|
||
|
||
+
|
||
/*
|
||
* Make tab adjustments for the last tab stop, if there is one.
|
||
*/
|
||
***************
|
||
*** 1321,1326 ****
|
||
--- 1412,1418 ----
|
||
index.linePtr = TkBTreeFindLine(textPtr->tree, lineNum);
|
||
index.charIndex = 0;
|
||
lowestPtr = NULL;
|
||
+
|
||
do {
|
||
dlPtr = LayoutDLine(textPtr, &index);
|
||
dlPtr->nextPtr = lowestPtr;
|
||
***************
|
||
*** 1554,1559 ****
|
||
--- 1646,1653 ----
|
||
Display *display;
|
||
int height, x;
|
||
|
||
+ if (dlPtr->chunkPtr == NULL) return;
|
||
+
|
||
/*
|
||
* First, clear the area of the line to the background color for the
|
||
* text widget.
|
||
***************
|
||
*** 1620,1631 ****
|
||
--- 1714,1729 ----
|
||
* something is off to the right).
|
||
*/
|
||
|
||
+ if (chunkPtr->displayProc != NULL)
|
||
(*chunkPtr->displayProc)(chunkPtr, -chunkPtr->width,
|
||
dlPtr->spaceAbove,
|
||
dlPtr->height - dlPtr->spaceAbove - dlPtr->spaceBelow,
|
||
dlPtr->baseline - dlPtr->spaceAbove, display, pixmap,
|
||
dlPtr->y + dlPtr->spaceAbove);
|
||
} else {
|
||
+ /* don't call if elide. This tax ok since not very many visible DLine's in
|
||
+ an area, but potentially many elide ones */
|
||
+ if (chunkPtr->displayProc != NULL)
|
||
(*chunkPtr->displayProc)(chunkPtr, x, dlPtr->spaceAbove,
|
||
dlPtr->height - dlPtr->spaceAbove - dlPtr->spaceBelow,
|
||
dlPtr->baseline - dlPtr->spaceAbove, display, pixmap,
|
||
***************
|
||
*** 1714,1719 ****
|
||
--- 1812,1818 ----
|
||
StyleValues *sValuePtr;
|
||
Display *display;
|
||
|
||
+
|
||
/*
|
||
* Pass 1: scan through dlPtr from left to right. For each range of
|
||
* chunks with the same style, draw the main background for the style
|
||
***************
|
||
*** 1787,1793 ****
|
||
rightX = maxX;
|
||
}
|
||
chunkPtr2 = NULL;
|
||
! if (prevPtr != NULL) {
|
||
/*
|
||
* Find the chunk in the previous line that covers leftX.
|
||
*/
|
||
--- 1886,1892 ----
|
||
rightX = maxX;
|
||
}
|
||
chunkPtr2 = NULL;
|
||
! if (prevPtr != NULL && prevPtr->chunkPtr != NULL) {
|
||
/*
|
||
* Find the chunk in the previous line that covers leftX.
|
||
*/
|
||
***************
|
||
*** 1908,1914 ****
|
||
rightX = maxX;
|
||
}
|
||
chunkPtr2 = NULL;
|
||
! if (dlPtr->nextPtr != NULL) {
|
||
/*
|
||
* Find the chunk in the previous line that covers leftX.
|
||
*/
|
||
--- 2007,2014 ----
|
||
rightX = maxX;
|
||
}
|
||
chunkPtr2 = NULL;
|
||
! /* for (dlPtr2 = dlPtr; dlPtr2->nextPtr != NULL && dlPtr2->nextPtr->chunkPtr == NULL; dlPtr2 = dlPtr2->nextPtr) {}*/
|
||
! if (dlPtr->nextPtr != NULL && dlPtr->nextPtr->chunkPtr != NULL) {
|
||
/*
|
||
* Find the chunk in the previous line that covers leftX.
|
||
*/
|
||
***************
|
||
*** 2299,2304 ****
|
||
--- 2399,2405 ----
|
||
for (prevPtr = NULL, dlPtr = textPtr->dInfoPtr->dLinePtr;
|
||
(dlPtr != NULL) && (dlPtr->y < dInfoPtr->maxY);
|
||
prevPtr = dlPtr, dlPtr = dlPtr->nextPtr) {
|
||
+ if (dlPtr->chunkPtr == NULL) continue;
|
||
if (dlPtr->oldY != dlPtr->y) {
|
||
if (tkTextDebug) {
|
||
char string[TK_POS_CHARS];
|
||
***************
|
||
*** 2315,2320 ****
|
||
--- 2416,2422 ----
|
||
dlPtr->oldY = dlPtr->y;
|
||
dlPtr->flags &= ~NEW_LAYOUT;
|
||
}
|
||
+ /*prevPtr = dlPtr;*/
|
||
}
|
||
Tk_FreePixmap(Tk_Display(textPtr->tkwin), pixmap);
|
||
}
|
||
***************
|
||
*** 3369,3374 ****
|
||
--- 3471,3477 ----
|
||
dlPtr = LayoutDLine(textPtr, &index);
|
||
dlPtr->nextPtr = lowestPtr;
|
||
lowestPtr = dlPtr;
|
||
+ if (dlPtr->length == 0 && dlPtr->height == 0) { offset--; break; } /* elide */
|
||
TkTextIndexForwChars(&index, dlPtr->count, &index);
|
||
charsToCount -= dlPtr->count;
|
||
} while ((charsToCount > 0)
|
||
***************
|
||
*** 3381,3387 ****
|
||
break;
|
||
}
|
||
}
|
||
!
|
||
/*
|
||
* Discard the display lines, then either return or prepare
|
||
* for the next display line to lay out.
|
||
--- 3484,3490 ----
|
||
break;
|
||
}
|
||
}
|
||
!
|
||
/*
|
||
* Discard the display lines, then either return or prepare
|
||
* for the next display line to lay out.
|
||
***************
|
||
*** 3410,3421 ****
|
||
--- 3513,3526 ----
|
||
TkBTreeNumLines(textPtr->tree));
|
||
for (i = 0; i < offset; i++) {
|
||
dlPtr = LayoutDLine(textPtr, &textPtr->topIndex);
|
||
+ if (dlPtr->length == 0 && dlPtr->height == 0) offset++;
|
||
dlPtr->nextPtr = NULL;
|
||
TkTextIndexForwChars(&textPtr->topIndex, dlPtr->count, &new);
|
||
FreeDLines(textPtr, dlPtr, (DLine *) NULL, 0);
|
||
if (new.linePtr == lastLinePtr) {
|
||
break;
|
||
}
|
||
+
|
||
textPtr->topIndex = new;
|
||
}
|
||
}
|
||
***************
|
||
*** 3949,3955 ****
|
||
* index of the character nearest to (x,y). */
|
||
{
|
||
TextDInfo *dInfoPtr = textPtr->dInfoPtr;
|
||
! register DLine *dlPtr;
|
||
register TkTextDispChunk *chunkPtr;
|
||
|
||
/*
|
||
--- 4054,4060 ----
|
||
* index of the character nearest to (x,y). */
|
||
{
|
||
TextDInfo *dInfoPtr = textPtr->dInfoPtr;
|
||
! register DLine *dlPtr, *validdlPtr;
|
||
register TkTextDispChunk *chunkPtr;
|
||
|
||
/*
|
||
***************
|
||
*** 3982,3989 ****
|
||
* Find the display line containing the desired y-coordinate.
|
||
*/
|
||
|
||
! for (dlPtr = dInfoPtr->dLinePtr; y >= (dlPtr->y + dlPtr->height);
|
||
dlPtr = dlPtr->nextPtr) {
|
||
if (dlPtr->nextPtr == NULL) {
|
||
/*
|
||
* Y-coordinate is off the bottom of the displayed text.
|
||
--- 4087,4095 ----
|
||
* Find the display line containing the desired y-coordinate.
|
||
*/
|
||
|
||
! for (dlPtr = validdlPtr = dInfoPtr->dLinePtr; y >= (dlPtr->y + dlPtr->height);
|
||
dlPtr = dlPtr->nextPtr) {
|
||
+ if (dlPtr->chunkPtr !=NULL) validdlPtr = dlPtr;
|
||
if (dlPtr->nextPtr == NULL) {
|
||
/*
|
||
* Y-coordinate is off the bottom of the displayed text.
|
||
***************
|
||
*** 3994,3999 ****
|
||
--- 4100,4107 ----
|
||
break;
|
||
}
|
||
}
|
||
+ if (dlPtr->chunkPtr == NULL) dlPtr = validdlPtr;
|
||
+
|
||
|
||
/*
|
||
* Scan through the line's chunks to find the one that contains
|
||
***************
|
||
*** 4005,4016 ****
|
||
*indexPtr = dlPtr->index;
|
||
x = x - dInfoPtr->x + dInfoPtr->curPixelOffset;
|
||
for (chunkPtr = dlPtr->chunkPtr; x >= (chunkPtr->x + chunkPtr->width);
|
||
! indexPtr->charIndex += chunkPtr->numChars,
|
||
! chunkPtr = chunkPtr->nextPtr) {
|
||
if (chunkPtr->nextPtr == NULL) {
|
||
indexPtr->charIndex += chunkPtr->numChars - 1;
|
||
return;
|
||
! }
|
||
}
|
||
|
||
/*
|
||
--- 4113,4124 ----
|
||
*indexPtr = dlPtr->index;
|
||
x = x - dInfoPtr->x + dInfoPtr->curPixelOffset;
|
||
for (chunkPtr = dlPtr->chunkPtr; x >= (chunkPtr->x + chunkPtr->width);
|
||
! indexPtr->charIndex += chunkPtr->numChars,
|
||
! chunkPtr = chunkPtr->nextPtr) {
|
||
if (chunkPtr->nextPtr == NULL) {
|
||
indexPtr->charIndex += chunkPtr->numChars - 1;
|
||
return;
|
||
! }
|
||
}
|
||
|
||
/*
|
||
***************
|
||
*** 4166,4171 ****
|
||
--- 4274,4280 ----
|
||
{
|
||
TextDInfo *dInfoPtr = textPtr->dInfoPtr;
|
||
DLine *dlPtr;
|
||
+ int dlx;
|
||
|
||
/*
|
||
* Make sure that all of the screen layout information is up to date.
|
||
***************
|
||
*** 4184,4191 ****
|
||
return -1;
|
||
}
|
||
|
||
! *xPtr = dInfoPtr->x - dInfoPtr->curPixelOffset + dlPtr->chunkPtr->x;
|
||
! *widthPtr = dlPtr->length - dlPtr->chunkPtr->x;
|
||
*yPtr = dlPtr->y;
|
||
if ((dlPtr->y + dlPtr->height) > dInfoPtr->maxY) {
|
||
*heightPtr = dInfoPtr->maxY - dlPtr->y;
|
||
--- 4293,4301 ----
|
||
return -1;
|
||
}
|
||
|
||
! dlx = (dlPtr->chunkPtr != NULL? dlPtr->chunkPtr->x: 0);
|
||
! *xPtr = dInfoPtr->x - dInfoPtr->curPixelOffset + dlx;
|
||
! *widthPtr = dlPtr->length - dlx;
|
||
*yPtr = dlPtr->y;
|
||
if ((dlPtr->y + dlPtr->height) > dInfoPtr->maxY) {
|
||
*heightPtr = dInfoPtr->maxY - dlPtr->y;
|
||
***************
|
||
*** 4196,4201 ****
|
||
--- 4306,4346 ----
|
||
return 0;
|
||
}
|
||
|
||
+ static void
|
||
+ ElideBboxProc(chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
|
||
+ widthPtr, heightPtr)
|
||
+ TkTextDispChunk *chunkPtr; /* Chunk containing desired char. */
|
||
+ int index; /* Index of desired character within
|
||
+ * the chunk. */
|
||
+ int y; /* Topmost pixel in area allocated
|
||
+ * for this line. */
|
||
+ int lineHeight; /* Height of line, in pixels. */
|
||
+ int baseline; /* Location of line's baseline, in
|
||
+ * pixels measured down from y. */
|
||
+ int *xPtr, *yPtr; /* Gets filled in with coords of
|
||
+ * character's upper-left pixel.
|
||
+ * X-coord is in same coordinate
|
||
+ * system as chunkPtr->x. */
|
||
+ int *widthPtr; /* Gets filled in with width of
|
||
+ * character, in pixels. */
|
||
+ int *heightPtr; /* Gets filled in with height of
|
||
+ * character, in pixels. */
|
||
+ {
|
||
+ *xPtr = chunkPtr->x;
|
||
+ *yPtr = y;
|
||
+ *widthPtr = *heightPtr = 0;
|
||
+ }
|
||
+
|
||
+
|
||
+ static int
|
||
+ ElideMeasureProc(chunkPtr, x)
|
||
+ TkTextDispChunk *chunkPtr; /* Chunk containing desired coord. */
|
||
+ int x; /* X-coordinate, in same coordinate
|
||
+ * system as chunkPtr->x. */
|
||
+ {
|
||
+ return 0 /*chunkPtr->numChars - 1*/;
|
||
+ }
|
||
+
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
***************
|
||
*** 4421,4427 ****
|
||
* Draw the text, underline, and overstrike for this chunk.
|
||
*/
|
||
|
||
! if (ciPtr->numChars > offsetChars) {
|
||
int numChars = ciPtr->numChars - offsetChars;
|
||
char *string = ciPtr->chars + offsetChars;
|
||
|
||
--- 4566,4572 ----
|
||
* Draw the text, underline, and overstrike for this chunk.
|
||
*/
|
||
|
||
! if (!sValuePtr->elide && ciPtr->numChars > offsetChars) {
|
||
int numChars = ciPtr->numChars - offsetChars;
|
||
char *string = ciPtr->chars + offsetChars;
|
||
|
||
*** tkTextTag.c 1997/07/04 22:39:41 2.0
|
||
--- ../generic/tkTextTag.c 1997/08/15 22:20:32
|
||
***************
|
||
*** 63,68 ****
|
||
--- 63,71 ----
|
||
{TK_CONFIG_STRING, "-underline", (char *) NULL, (char *) NULL,
|
||
(char *) NULL, Tk_Offset(TkTextTag, underlineString),
|
||
TK_CONFIG_NULL_OK},
|
||
+ {TK_CONFIG_STRING, "-elide", (char *) NULL, (char *) NULL,
|
||
+ (char *) NULL, Tk_Offset(TkTextTag, elideString),
|
||
+ TK_CONFIG_NULL_OK},
|
||
{TK_CONFIG_UID, "-wrap", (char *) NULL, (char *) NULL,
|
||
(char *) NULL, Tk_Offset(TkTextTag, wrapMode),
|
||
TK_CONFIG_NULL_OK},
|
||
***************
|
||
*** 378,383 ****
|
||
--- 381,392 ----
|
||
return TCL_ERROR;
|
||
}
|
||
}
|
||
+ if (tagPtr->elideString != NULL) {
|
||
+ if (Tcl_GetBoolean(interp, tagPtr->elideString,
|
||
+ &tagPtr->elide) != TCL_OK) {
|
||
+ return TCL_ERROR;
|
||
+ }
|
||
+ }
|
||
if ((tagPtr->wrapMode != NULL)
|
||
&& (tagPtr->wrapMode != tkTextCharUid)
|
||
&& (tagPtr->wrapMode != tkTextNoneUid)
|
||
***************
|
||
*** 419,424 ****
|
||
--- 428,434 ----
|
||
|| (tagPtr->spacing3String != NULL)
|
||
|| (tagPtr->tabString != NULL)
|
||
|| (tagPtr->underlineString != NULL)
|
||
+ || (tagPtr->elideString != NULL)
|
||
|| (tagPtr->wrapMode != NULL)) {
|
||
tagPtr->affectsDisplay = 1;
|
||
}
|
||
***************
|
||
*** 811,816 ****
|
||
--- 821,828 ----
|
||
tagPtr->tabArrayPtr = NULL;
|
||
tagPtr->underlineString = NULL;
|
||
tagPtr->underline = 0;
|
||
+ tagPtr->elideString = NULL;
|
||
+ tagPtr->elide = 0;
|
||
tagPtr->wrapMode = NULL;
|
||
tagPtr->affectsDisplay = 0;
|
||
textPtr->numTags++;
|
||
***************
|
||
*** 934,939 ****
|
||
--- 946,954 ----
|
||
}
|
||
if (tagPtr->underlineString != NULL) {
|
||
ckfree(tagPtr->underlineString);
|
||
+ }
|
||
+ if (tagPtr->elideString != NULL) {
|
||
+ ckfree(tagPtr->elideString);
|
||
}
|
||
ckfree((char *) tagPtr);
|
||
}
|