mirror/freebsd-ports
1
0
Fork 0
mirror of https://git.FreeBSD.org/ports.git synced 2024-11-04 22:33:27 +00:00
Code Issues Releases Activity
9a34285a31
freebsd-ports/x11-toolkits/tkstep80/files/patch-ac
Thomas Gellekum a60956ed02 Import tkstep80 port. TkStep is an enhanced Tk-8.0 with TIFF and XPM image 
support, the OffiX drag-and-drop porotocol and a NeXTSTEP look. It
should be completely compatible to the original on the scripting level.
1997-11-11 07:53:24 +00:00

919 lines
28 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

*** tkText.c 1997/07/04 22:39:41 2.0
--- ../generic/tkText.c 1997/08/15 22:25:21
***************
*** 866,871 ****
--- 866,872 ----
|| (textPtr->selTagPtr->spacing2String != NULL)
|| (textPtr->selTagPtr->spacing3String != NULL)
|| (textPtr->selTagPtr->tabString != NULL)
+ || (textPtr->selTagPtr->elideString != NULL)
|| (textPtr->selTagPtr->underlineString != NULL)
|| (textPtr->selTagPtr->wrapMode != NULL)) {
textPtr->selTagPtr->affectsDisplay = 1;
***************
*** 1414,1420 ****
}
}
}
! if (segPtr->typePtr == &tkTextCharType) {
memcpy((VOID *) buffer, (VOID *) (segPtr->body.chars
+ offsetInSeg), (size_t) chunkSize);
buffer += chunkSize;
--- 1415,1421 ----
}
}
}
! if (segPtr->typePtr == &tkTextCharType && !TkTextIsElided(textPtr, &textPtr->selIndex)) {
memcpy((VOID *) buffer, (VOID *) (segPtr->body.chars
+ offsetInSeg), (size_t) chunkSize);
buffer += chunkSize;
***************
*** 1555,1561 ****
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
! int backwards, exact, c, i, argsLeft, noCase, leftToScan;
size_t length;
int numLines, startingLine, startingChar, lineNum, firstChar, lastChar;
int code, matchLength, matchChar, passes, stopLine, searchWholeText;
--- 1556,1562 ----
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
! int backwards, exact, searchElide, c, i, argsLeft, noCase, leftToScan;
size_t length;
int numLines, startingLine, startingChar, lineNum, firstChar, lastChar;
int code, matchLength, matchChar, passes, stopLine, searchWholeText;
***************
*** 1566,1571 ****
--- 1567,1573 ----
Tcl_DString line, patDString;
TkTextSegment *segPtr;
TkTextLine *linePtr;
+ TkTextIndex curIndex;
Tcl_RegExp regexp = NULL; /* Initialization needed only to
* prevent compiler warning. */
***************
*** 1574,1579 ****
--- 1576,1583 ----
*/
exact = 1;
+ searchElide = 0;
+ curIndex.tree = textPtr->tree;
backwards = 0;
noCase = 0;
varName = NULL;
***************
*** 1587,1593 ****
badSwitch:
Tcl_AppendResult(interp, "bad switch \"", arg,
"\": must be -forward, -backward, -exact, -regexp, ",
! "-nocase, -count, or --", (char *) NULL);
return TCL_ERROR;
}
c = arg[1];
--- 1591,1597 ----
badSwitch:
Tcl_AppendResult(interp, "bad switch \"", arg,
"\": must be -forward, -backward, -exact, -regexp, ",
! "-nocase, -count, -elide, or --", (char *) NULL);
return TCL_ERROR;
}
c = arg[1];
***************
*** 1608,1613 ****
--- 1612,1619 ----
noCase = 1;
} else if ((c == 'r') && (strncmp(argv[i], "-regexp", length) == 0)) {
exact = 0;
+ } else if ((c == 'e') && (strncmp(argv[i], "-elide", length) == 0)) {
+ searchElide = 1;
} else if ((c == '-') && (strncmp(argv[i], "--", length) == 0)) {
i++;
break;
***************
*** 1703,1711 ****
*/
linePtr = TkBTreeFindLine(textPtr->tree, lineNum);
for (segPtr = linePtr->segPtr; segPtr != NULL;
! segPtr = segPtr->nextPtr) {
! if (segPtr->typePtr != &tkTextCharType) {
continue;
}
Tcl_DStringAppend(&line, segPtr->body.chars, segPtr->size);
--- 1709,1718 ----
*/
linePtr = TkBTreeFindLine(textPtr->tree, lineNum);
+ curIndex.linePtr = linePtr; curIndex.charIndex = 0;
for (segPtr = linePtr->segPtr; segPtr != NULL;
! curIndex.charIndex += segPtr->size, segPtr = segPtr->nextPtr) {
! if (segPtr->typePtr != &tkTextCharType || (!searchElide && TkTextIsElided(textPtr, &curIndex))) {
continue;
}
Tcl_DStringAppend(&line, segPtr->body.chars, segPtr->size);
*** tkText.h 1997/07/04 22:39:41 2.0
--- ../generic/tkText.h 1997/08/15 22:18:56
***************
*** 370,375 ****
--- 370,379 ----
* Must be tkTextCharUid, tkTextNoneUid,
* tkTextWordUid, or NULL to use wrapMode
* for whole widget. */
+ char *elideString; /* -elide option string (malloc-ed).
+ * NULL means option not specified. */
+ int elide; /* Non-zero means text is elided.
+ * Only valid if elideString is non-NULL. */
int affectsDisplay; /* Non-zero means that this tag affects the
* way information is displayed on the screen
* (so need to redisplay if tag changes). */
***************
*** 800,805 ****
--- 804,811 ----
ClientData clientData));
extern TkTextIndex * TkTextMakeIndex _ANSI_ARGS_((TkTextBTree tree,
int lineIndex, int charIndex,
+ TkTextIndex *indexPtr));
+ extern int TkTextIsElided _ANSI_ARGS_((TkText *textPtr,
TkTextIndex *indexPtr));
extern int TkTextMarkCmd _ANSI_ARGS_((TkText *textPtr,
Tcl_Interp *interp, int argc, char **argv));
*** tkTextBTree.c 1997/07/04 22:39:41 2.0
--- ../generic/tkTextBTree.c 1997/08/15 22:20:16
***************
*** 2427,2432 ****
--- 2427,2558 ----
}
return tagInfo.tagPtrs;
}
+
+
+ /*
+ special case to just return information about elided attribute
+ specialized from TkBTreeGetTags(indexPtr, numTagsPtr) and GetStyle(textPtr, indexPtr)
+ just need to keep track of invisibility settings for each priority, pick highest one active at end
+ */
+ int
+ TkTextIsElided(textPtr, indexPtr)
+ TkText *textPtr; /* Overall information about text widget. */
+ TkTextIndex *indexPtr; /* The character in the text for which
+ * display information is wanted. */
+ {
+ #define LOTSA_TAGS 1000
+ int elide = 0; /* if nobody says otherwise, it's visible */
+
+ int deftagCnts[LOTSA_TAGS];
+ int *tagCnts = deftagCnts;
+ TkTextTag *deftagPtrs[LOTSA_TAGS];
+ TkTextTag **tagPtrs = deftagPtrs;
+ int numTags = textPtr->numTags;
+ register Node *nodePtr;
+ register TkTextLine *siblingLinePtr;
+ register TkTextSegment *segPtr;
+ register TkTextTag *tagPtr;
+ register int i, index;
+
+ /* almost always avoid malloc, so stay out of system calls */
+ if (LOTSA_TAGS < numTags) {
+ tagCnts = (int *)ckalloc((unsigned)sizeof(int) * numTags);
+ tagPtrs = (TkTextTag **)ckalloc((unsigned)sizeof(TkTextTag *) * numTags);
+ }
+
+ for (i=0; i<numTags; i++) tagCnts[i]=0;
+
+
+ /*
+ * Record tag toggles within the line of indexPtr but preceding
+ * indexPtr.
+ */
+
+ for (index = 0, segPtr = indexPtr->linePtr->segPtr;
+ (index + segPtr->size) <= indexPtr->charIndex;
+ index += segPtr->size, segPtr = segPtr->nextPtr) {
+ if ((segPtr->typePtr == &tkTextToggleOnType)
+ || (segPtr->typePtr == &tkTextToggleOffType)) {
+ tagPtr = segPtr->body.toggle.tagPtr;
+ if (tagPtr->elideString != NULL) {
+ tagPtrs[tagPtr->priority] = tagPtr;
+ tagCnts[tagPtr->priority]++;
+ }
+ }
+ }
+
+ /*
+ * Record toggles for tags in lines that are predecessors of
+ * indexPtr->linePtr but under the same level-0 node.
+ */
+
+ for (siblingLinePtr = indexPtr->linePtr->parentPtr->children.linePtr;
+ siblingLinePtr != indexPtr->linePtr;
+ siblingLinePtr = siblingLinePtr->nextPtr) {
+ for (segPtr = siblingLinePtr->segPtr; segPtr != NULL;
+ segPtr = segPtr->nextPtr) {
+ if ((segPtr->typePtr == &tkTextToggleOnType)
+ || (segPtr->typePtr == &tkTextToggleOffType)) {
+ tagPtr = segPtr->body.toggle.tagPtr;
+ if (tagPtr->elideString != NULL) {
+ tagPtrs[tagPtr->priority] = tagPtr;
+ tagCnts[tagPtr->priority]++;
+ }
+ }
+ }
+ }
+
+ /*
+ * For each node in the ancestry of this line, record tag toggles
+ * for all siblings that precede that node.
+ */
+
+ for (nodePtr = indexPtr->linePtr->parentPtr; nodePtr->parentPtr != NULL;
+ nodePtr = nodePtr->parentPtr) {
+ register Node *siblingPtr;
+ register Summary *summaryPtr;
+
+ for (siblingPtr = nodePtr->parentPtr->children.nodePtr;
+ siblingPtr != nodePtr; siblingPtr = siblingPtr->nextPtr) {
+ for (summaryPtr = siblingPtr->summaryPtr; summaryPtr != NULL;
+ summaryPtr = summaryPtr->nextPtr) {
+ if (summaryPtr->toggleCount & 1) {
+ tagPtr = summaryPtr->tagPtr;
+ if (tagPtr->elideString != NULL) {
+ tagPtrs[tagPtr->priority] = tagPtr;
+ tagCnts[tagPtr->priority] += summaryPtr->toggleCount;
+ }
+ }
+ }
+ }
+ }
+
+
+ /*
+ * Now traverse from highest priority to lowest,
+ * take elided value from first odd count (= on)
+ */
+
+ for (i = numTags-1; i >=0; i--) {
+ if (tagCnts[i] & 1) {
+ #ifndef ALWAYS_SHOW_SELECTION
+ /* who would make the selection elided? */
+ if ((tagPtr == textPtr->selTagPtr) && !(textPtr->flags & GOT_FOCUS)) {
+ continue;
+ }
+ #endif
+ elide = tagPtrs[i]->elide;
+ break;
+ }
+ }
+
+ if (LOTSA_TAGS < numTags) {
+ ckfree((char *) tagCnts);
+ ckfree((char *) tagPtrs);
+ }
+
+ return elide;
+ }
/*
*----------------------------------------------------------------------
*** tkTextDisp.c 1997/07/04 22:39:41 2.0
--- ../generic/tkTextDisp.c 1997/08/16 01:20:18
***************
*** 55,60 ****
--- 55,61 ----
* be NULL). */
int underline; /* Non-zero means draw underline underneath
* text. */
+ int elide; /* Non-zero means draw text */
Tk_Uid wrapMode; /* How to handle wrap-around for this tag.
* One of tkTextCharUid, tkTextNoneUid,
* or tkTextWordUid. */
***************
*** 311,316 ****
--- 312,332 ----
int x));
static void CharUndisplayProc _ANSI_ARGS_((TkText *textPtr,
TkTextDispChunk *chunkPtr));
+
+ /*
+ Definitions of elided procs.
+ Compiler can't inline these since we use pointers to these functions.
+ ElideDisplayProc, ElideUndisplayProc special-cased for speed,
+ as potentially many elided DLine chunks if large, tag toggle-filled
+ elided region.
+ */
+ static void ElideBboxProc _ANSI_ARGS_((TkTextDispChunk *chunkPtr,
+ int index, int y, int lineHeight, int baseline,
+ int *xPtr, int *yPtr, int *widthPtr,
+ int *heightPtr));
+ static int ElideMeasureProc _ANSI_ARGS_((TkTextDispChunk *chunkPtr,
+ int x));
+
static void DisplayDLine _ANSI_ARGS_((TkText *textPtr,
DLine *dlPtr, DLine *prevPtr, Pixmap pixmap));
static void DisplayLineBackground _ANSI_ARGS_((TkText *textPtr,
***************
*** 479,485 ****
int borderPrio, borderWidthPrio, reliefPrio, bgStipplePrio;
int fgPrio, fontPrio, fgStipplePrio;
! int underlinePrio, justifyPrio, offsetPrio;
int lMargin1Prio, lMargin2Prio, rMarginPrio;
int spacing1Prio, spacing2Prio, spacing3Prio;
int overstrikePrio, tabPrio, wrapPrio;
--- 495,501 ----
int borderPrio, borderWidthPrio, reliefPrio, bgStipplePrio;
int fgPrio, fontPrio, fgStipplePrio;
! int underlinePrio, elidePrio, justifyPrio, offsetPrio;
int lMargin1Prio, lMargin2Prio, rMarginPrio;
int spacing1Prio, spacing2Prio, spacing3Prio;
int overstrikePrio, tabPrio, wrapPrio;
***************
*** 494,500 ****
tagPtrs = TkBTreeGetTags(indexPtr, &numTags);
borderPrio = borderWidthPrio = reliefPrio = bgStipplePrio = -1;
fgPrio = fontPrio = fgStipplePrio = -1;
! underlinePrio = justifyPrio = offsetPrio = -1;
lMargin1Prio = lMargin2Prio = rMarginPrio = -1;
spacing1Prio = spacing2Prio = spacing3Prio = -1;
overstrikePrio = tabPrio = wrapPrio = -1;
--- 510,516 ----
tagPtrs = TkBTreeGetTags(indexPtr, &numTags);
borderPrio = borderWidthPrio = reliefPrio = bgStipplePrio = -1;
fgPrio = fontPrio = fgStipplePrio = -1;
! underlinePrio = elidePrio = justifyPrio = offsetPrio = -1;
lMargin1Prio = lMargin2Prio = rMarginPrio = -1;
spacing1Prio = spacing2Prio = spacing3Prio = -1;
overstrikePrio = tabPrio = wrapPrio = -1;
***************
*** 612,617 ****
--- 628,638 ----
styleValues.underline = tagPtr->underline;
underlinePrio = tagPtr->priority;
}
+ if ((tagPtr->elideString != NULL)
+ && (tagPtr->priority > elidePrio)) {
+ styleValues.elide = tagPtr->elide;
+ elidePrio = tagPtr->priority;
+ }
if ((tagPtr->wrapMode != NULL)
&& (tagPtr->priority > wrapPrio)) {
styleValues.wrapMode = tagPtr->wrapMode;
***************
*** 768,774 ****
* lines with numChars > 0. Used to
* drop 0-sized chunks from the end
* of the line. */
! int offset, ascent, descent, code;
StyleValues *sValuePtr;
/*
--- 789,795 ----
* lines with numChars > 0. Used to
* drop 0-sized chunks from the end
* of the line. */
! int offset, ascent, descent, code, elide, elidesize;
StyleValues *sValuePtr;
/*
***************
*** 786,791 ****
--- 807,840 ----
dlPtr->nextPtr = NULL;
dlPtr->flags = NEW_LAYOUT;
+
+ /*
+ * special case entirely elide line as there may be 1000s or more
+ */
+ elide = TkTextIsElided(textPtr, indexPtr); /* save a malloc */
+ if (elide && indexPtr->charIndex==0) {
+ maxChars = 0;
+ for (segPtr = indexPtr->linePtr->segPtr; elide && segPtr!=NULL; segPtr = segPtr->nextPtr) {
+ if ((elidesize = segPtr->size) > 0) {
+ 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);
}
Reference in New Issue View Git Blame Copy Permalink