/*
* Begin a keyboard macro.
* Error if not at the top level in keyboard processing. Set up variables and
* return.
*/
int
startKbdMacro(int f, int n)
{
if (kbdmode != meSTOP)
{
mlwrite(0,(meUByte *)"Macro already active");
return false ;
}
mlwrite(0,(meUByte *)"[Start macro]");
kbdptr = &lkbdptr[0];
kbdlen = 0 ;
kbdmode = meRECORD;
frameAddModeToWindows(WFMODE) ; /* and update ALL mode lines */
return true ;
}
/*
* End keyboard macro. Check for the same limit conditions as the above
* routine. Set up the variables and return to the caller.
*/
int
endKbdMacro(int f, int n)
{
if (kbdmode == mePLAY)
return true ;
if (kbdmode == meRECORD)
{
frameAddModeToWindows(WFMODE) ; /* and update ALL mode lines */
mlwrite(0,(meUByte *)"[End macro]");
kbdmode = meSTOP;
lkbdlen = kbdlen ;
return true ;
}
return mlwrite(MWABORT,(meUByte *)"Macro not active");
}
int
meUndo(int f, int n)
{
if(n < -1)
{
#ifndef NDEBUG
if(n == -4)
{
meUndoNode *nn ;
FILE *undoFp=NULL ;
if(undoFp == NULL)
undoFp = fopen("undo.log","w+") ;
fprintf(undoFp,"[Undo stack for %s]\n",frameCur->bufferCur->name) ;
nn=frameCur->bufferCur->undoHead ;
while(nn != NULL)
{
if(meUndoIsLineSort(nn))
{
fprintf(undoFp,"Undo 0x%02x %p %ld %ld:",nn->type,nn->next,
nn->udata.lineSort[0],nn->count) ;
for(n=0 ; n<nn->count ; n++)
fprintf(undoFp," %ld",nn->udata.lineSort[n+1]) ;
fprintf(undoFp,"\n") ;
}
#if MEOPT_NARROW
else if(meUndoIsNarrow(nn))
{
meUndoNarrow *nun = (meUndoNarrow *) nn ;
fprintf(undoFp,"Undo 0x%02x %p Nrrw %x %ld %ld %d [%s]\n",nun->type,nun->next,
nun->name,nun->count,nun->udata.dotp,nun->markupCmd,nun->str) ;
}
#endif
else
{
fprintf(undoFp,"Undo 0x%02x %p %ld (%ld,%d) [%s]\n",nn->type,nn->next,nn->count,
nn->udata.dotp,nn->doto,nn->str) ;
if(meUndoIsReplace(nn))
{
for(n=0 ; n<nn->doto ; n++)
fprintf(undoFp,"(%d,%d) ",nn->udata.pos[n][0],nn->udata.pos[n][1]) ;
fprintf(undoFp,"\n") ;
}
}
nn = nn->next ;
}
fprintf(undoFp,"---------------\n") ;
fflush(undoFp) ;
}
else
#endif
undoContFlag++ ;
}
else if(!meModeTest(frameCur->bufferCur->mode,MDUNDO))
return ctrlg(meFALSE,1) ;
else if(n < 0)
meUndoRemove(frameCur->bufferCur) ;
else
{
static meUndoNode *cun ;
static meInt ccount ;
static meUShort cdoto ;
if((lastflag != meCFUNDO) && ((cun = frameCur->bufferCur->undoHead) != NULL))
{
cdoto = cun->doto ;
ccount = cun->count ;
}
for(;;)
{
meInt count, cont ;
if((cun == NULL) || ((n <= 0) && !meModeTest(frameCur->bufferCur->mode,MDEDIT)))
break ;
if(bufferSetEdit() <= 0) /* Check we can change the buffer */
return meABORT ;
cont=0 ;
if(cun->type & meUNDO_SPECIAL)
{
if(meUndoIsSetEdit(cun))
{
if(!(cun->type & meUNDO_UNSET_EDIT))
{
autowriteremove(frameCur->bufferCur) ;
meModeClear(frameCur->bufferCur->mode,MDEDIT) ;
frameAddModeToWindows(WFMODE) ; /* update ALL mode lines */
}
}
else if(meUndoIsLineSort(cun))
{
meLine *ln, *eln, **list ;
meInt *lineSort, *undoInfo, dddd ;
lineSort = cun->udata.lineSort ;
windowGotoLine(meTRUE,(*lineSort++) + 1) ;
if((list = meMalloc(cun->count * sizeof(meLine *))) == NULL)
return meABORT ;
undoInfo = meUndoAddLineSort(cun->count) ;
eln = frameCur->windowCur->dotLine ;
ln = meLineGetPrev(eln) ;
for(count=0 ; count<cun->count ; eln=meLineGetNext(eln),count++)
{
list[*lineSort++] = eln ;
eln->prev = (meLine *) count ;
}
for(count=0 ; count<cun->count ; ln=meLineGetNext(ln),count++)
{
if(undoInfo != NULL)
{
dddd = (meInt) list[count]->prev ;
*undoInfo++ = dddd ;
}
ln->next = list[count] ;
list[count]->prev = ln ;
}
ln->next = eln ;
eln->prev = ln ;
frameCur->windowCur->dotLine = list[0] ;
meFree(list) ;
}
#if MEOPT_NARROW
else if(meUndoIsNarrow(cun))
{
meUndoNarrow *nun = (meUndoNarrow *) cun ;
meInt name ;
name = nun->name ;
windowGotoLine(meTRUE,nun->udata.dotp+1) ;
if(nun->type & meUNDO_NARROW_ADD)
{
meNarrow *nrrw ;
nrrw = frameCur->bufferCur->narrow ;
while(nrrw->name != name)
nrrw = nrrw->next ;
frameCur->bufferCur->dotLine = frameCur->windowCur->dotLine ;
frameCur->bufferCur->dotLineNo = frameCur->windowCur->dotLineNo ;
frameCur->bufferCur->dotOffset = 0 ;
meBufferRemoveNarrow(frameCur->bufferCur,nrrw,
(nun->markupCmd > 0) ? nun->str:NULL,1) ;
}
else
{
meLine *slp ;
slp = frameCur->windowCur->dotLine ;
windowGotoLine(meTRUE,ccount+1) ;
meBufferCreateNarrow(frameCur->bufferCur,slp,frameCur->windowCur->dotLine,
nun->udata.dotp,ccount,name,nun->scheme,
(nun->markupFlag) ? nun->str:NULL,nun->markupCmd,1) ;
}
}
#endif
if(cun->type & meUNDO_CONTINUE)
cont=1 ;
goto meUndoNext ;
}
if(cun->type & meUNDO_REPLACE)
{
windowGotoLine(meTRUE,cun->udata.pos[cdoto-1][0]+1) ;
count = cun->udata.pos[cdoto-1][1] ;
if(count < 0)
{
cont = 1 ;
count = -1 - count ;
}
frameCur->windowCur->dotOffset = (meUShort) count ;
}
else
{
if(cun->type & meUNDO_CONTINUE)
cont = 1 ;
windowGotoLine(meTRUE,cun->udata.dotp+1) ;
frameCur->windowCur->dotOffset = cdoto ;
}
if(cun->type & meUNDO_SINGLE)
{
ccount-- ;
count = 1 ;
}
else
count = ccount ;
if(cun->type & meUNDO_INSERT)
{
meWindowBackwardChar(frameCur->windowCur,count) ;
if((count == 1))
meUndoAddDelChar() ;
else
meUndoAddDelChars(count) ;
mldelete(count,NULL) ;
}
if(cun->type & meUNDO_DELETE)
{
/* When dealing with long lines this loop becomes infinitly
* long because of the number of times that the line is
* re-allocated - pre-allocate the line length first. In order
* to reduce the processing overhead then we find the longest
* strings and then add them back in in one go, this ensures
* that we only ever re-allocate the line once.
* Jon - 99/12/12.
*/
meUByte *ss, cc ;
ss = cun->str ;
/* Deal with a single character undo */
if(cun->type & meUNDO_SINGLE)
{
ss += ccount ;
if((cc = *ss++) == meCHAR_NL)
lineInsertNewline(meBUFINSFLAG_UNDOCALL);
else if (cc != '\0')
lineInsertChar(1, cc);
meUndoAddInsChar() ;
}
else
{
/* Deal with a multiple character undo. */
count = bufferInsertText(ss,meBUFINSFLAG_UNDOCALL) ;
if(count > 0)
meUndoAddInsChars(count) ;
}
}
if((cun->type & meUNDO_SINGLE) && (ccount > 0))
{
if(cun->type & meUNDO_FORWARD)
cdoto++ ;
else if(cun->type & meUNDO_INSERT)
cdoto-- ;
}
else if(cun->type & meUNDO_REPLACE)
{
cdoto-- ;
if(!cdoto)
goto meUndoNext ;
}
else
{
meUndoNext:
if((cun = cun->next) != NULL)
{
cdoto = cun->doto ;
ccount = cun->count ;
}
}
if(!cont && (--n == 0))
break ;
}
thisflag = meCFUNDO ;
}
return meTRUE ;
}