/*
* CheckCurrentColumn - check state of current column, return true if need to
* redisplay page
*/
bool CheckCurrentColumn( void )
{
int clen, vcp;
bool dispall = false;
clen = VirtualLineLen( CurrentLine->data );
if( clen == 0 ) {
clen = 1;
}
ValidateCurrentColumn();
vcp = VirtualColumnOnCurrentLine( CurrentPos.column );
if( vcp != VirtualColumnDesired ) {
if( clen >= VirtualColumnDesired ) {
CurrentPos.column = RealColumnOnCurrentLine( VirtualColumnDesired );
} else {
if( EditFlags.InsertModeActive || EditFlags.Modeless ) {
CurrentPos.column = CurrentLine->len + 1;
} else {
CurrentPos.column = CurrentLine->len;
}
}
ValidateCurrentColumn();
dispall = !CheckLeftColumn();
/* changed CurrentPos.column - update horiz scrollbar
*/
PositionHorizontalScrollThumb( current_window_id, LeftTopPos.column );
}
VarAddGlobalLong( "C", (long) CurrentPos.column );
return( dispall );
} /* CheckCurrentColumn */
/*
* RestoreCurrentFilePos
*/
void RestoreCurrentFilePos( void )
{
vi_rc rc;
CurrentFile = oldFile[stackDepth];
CurrentPos = oldCurrentPos[stackDepth];
LeftTopPos = oldLeftTopPos[stackDepth];
if( CurrentFile != NULL ) {
rc = CGimmeLinePtr( CurrentPos.line, &CurrentFcb, &CurrentLine );
if( rc == ERR_NO_SUCH_LINE ) {
if( CurrentFile->fcbs.tail != NULL ) {
CurrentPos.line = CurrentFile->fcbs.tail->end_line;
CGimmeLinePtr( CurrentPos.line, &CurrentFcb, &CurrentLine );
}
}
} else {
CurrentFcb = NULL;
CurrentLine = NULL;
}
ValidateCurrentColumn();
VarAddRandC();
stackDepth--;
} /* RestoreCurrentFilePos */
/*
* SelectEnd - update selected region, moving to end of line
*/
vi_rc SelectEnd( void )
{
if( !EditFlags.Dragging ) {
startSelectedRegion( FALSE );
}
CurrentPos.column = MAX_INPUT_LINE;
ValidateCurrentColumn();
return( GoToColumnOnCurrentLine( CurrentPos.column ) );
} /* SelectEnd */
