cdesktopenv/cde/lib/DtTerm/Term/TermBuffer.c

1336 lines
32 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* *
* (c) Copyright 1993, 1994, 1996 Hewlett-Packard Company *
* (c) Copyright 1993, 1994, 1996 International Business Machines Corp. *
* (c) Copyright 1993, 1994, 1996 Sun Microsystems, Inc. *
* (c) Copyright 1993, 1994, 1996 Novell, Inc. *
* (c) Copyright 1996 Digital Equipment Corporation. *
* (c) Copyright 1996 FUJITSU LIMITED. *
* (c) Copyright 1996 Hitachi. *
*/
#define USE_MEMCPY /* use memcpy for line movement... */
#include <Xm/Xm.h>
#include "TermPrim.h"
#include "TermHeader.h" /* for MIN/MAX */
#include "TermBufferP.h"
#include "TermEnhance.h"
/*
** clear "count" enhancements starting at startCol
*/
static void
clearEnhancements
(
TermBuffer tb,
short row,
short startCol,
short count
);
static void
insertEnhancements
(
TermBuffer tb,
short row,
short col,
short insertCount
);
static void
deleteEnhancement
(
TermBuffer tb,
short row,
short col
);
static void
_DtTermClearEnhancements
(
TermBuffer tb,
short row,
short col,
short count
);
static int
_DtTermSetEnhancement
(
TermBuffer tb,
short row,
short col,
unsigned char id,
enhValue value
);
static Boolean
_DtTermGetEnhancement
(
const TermBuffer tb,
const short row,
const short col,
enhValue **enhancements,
short *count,
const countSpec countWhich
);
static termChar *
_DtTermGetCharacterPointer
(
TermBuffer tb,
short row,
short col
);
static void
_DtTermInsertEnhancements
(
const TermBuffer tb,
const short row,
const short col,
short insertCount,
const Boolean insertFlag
);
static Boolean
_DtTermBufferCreateEnhancement
(
TermBuffer tb,
short row,
short col
);
static void
_DtTermBufferResize
(
TermBuffer newTb,
short *newRows,
short *newCols
);
static void
_DtTermDeleteEnhancement
(
TermBuffer tb,
short row,
short col,
short width
);
static short
_DtTermInsert
(
TermBuffer tb,
short row,
short col,
termChar *newChars,
short numChars,
Boolean insertFlag, /* if TRUE, insert, else overwrite */
termChar **returnChars, /* pointer to overflow buffer */
short *returnCount /* count of characters in overflow buffer */
);
static Boolean
_DtTermSetLineLength
(
TermBuffer tb,
short row,
short newLength
);
static short
_DtTermGetLineLength
(
TermBuffer tb,
short row
);
static Boolean
_DtTermClearLine
(
TermBuffer tb,
short row,
short newLength
);
#if (defined(TEST) || defined(__CODECENTER__) || defined(VALIDATE_ENH))
static void
validateEnhancements
(
TermBuffer tb,
short row
);
# define VALIDATE_ENHANCEMENTS(tb, row) validateEnhancements((tb), (row))
#else
# define VALIDATE_ENHANCEMENTS(tb, row)
#endif /* TEST || __CODECENTER__ || VALIDATE_ENH */
/*
** A blank enhancement structure, it will come in handy.
*/
static DtTermEnhPart blankEnh = {0, 0, 0, 0, 0};
/*
** Create and initialize the Dt-specific parts of the term buffer.
*/
TermBuffer
_DtTermBufferCreateBuffer
(
const Widget w,
const short rows,
const short cols,
const short sizeOfBuffer,
const short sizeOfLine,
const short sizeOfEnh
)
{
int i;
TermBuffer newTB;
DtLine *lines;
newTB = _DtTermPrimBufferCreateBuffer(w, rows, cols,
sizeOfBuffer, sizeOfLine, sizeOfEnh);
if (newTB)
{
VALUE_LIST(newTB) = (enhValues) malloc(NUM_ENHANCEMENT_FIELDS *
sizeof(enhValue));
if (!VALUE_LIST(newTB))
{
_DtTermPrimBufferFreeBuffer(newTB);
return((TermBuffer) NULL);
}
NUM_ENH_FIELDS(newTB) = NUM_ENHANCEMENT_FIELDS;
for (lines = DT_LINES(newTB);
lines < DT_LINES(newTB) + ROWS(newTB);
lines++)
{
DT_ENH(*lines) = (DtEnh) NULL;
}
DT_ENH_STATE(newTB) = blankEnh;
DT_ENH_DIRTY(newTB) = 0;
ENH_PROC(newTB) = _DtTermEnhProc;
BUFFER_CREATE(newTB) = _DtTermBufferCreateBuffer;
BUFFER_FREE(newTB) = _DtTermBufferFreeBuffer;
BUFFER_RESIZE(newTB) = _DtTermBufferResize;
CLEAR_ENH(newTB) = _DtTermClearEnhancements;
INSERT_ENH(newTB) = _DtTermInsertEnhancements;
DELETE_ENH(newTB) = _DtTermDeleteEnhancement;
SET_ENH(newTB) = _DtTermSetEnhancement;
GET_ENH(newTB) = _DtTermGetEnhancement;
SET_LINE_LENGTH(newTB) = _DtTermSetLineLength;
CLEAR_LINE(newTB) = _DtTermClearLine;
}
return(newTB);
}
/*
** Resize buffer, this is a helper function, if malloc fails, then the
** appropriate dimensions are forced to the current maximums
*/
static void
_DtTermBufferResize
(
TermBuffer tb,
short *newRows,
short *newCols
)
{
short i;
DtEnh enh;
DtLine *lines;
/*
** make any necessary width adjustments first...
**
** NOTE:
** We do not take any action if the new column width is less
** than the current column width. It is the responsibility of
** the rendering code to make sure that two column characters
** are handled properly if the second column falls past the last
** column in the window.
*/
if (*newCols > MAX_COLS(tb))
{
termChar *newLineBuffer;
/*
** now extend the line buffers and enhancements for all lines,
** (even lines that are not being used at the moment
** (ROWS < MAX_ROWS))...
*/
lines = DT_LINES(tb);
for (i = 0; i < MAX_ROWS(tb); i++)
{
/*
** only copy the enhancement information when it exists
*/
if (DT_ENH(lines[i]))
{
enh = (DtEnh) malloc(*newCols * sizeof(DtTermEnhPart));
if (enh)
{
/*
** copy the enhancment info for all characters on
** the line, zero out the rest
*/
(void) memcpy(enh, DT_ENH(lines[i]),
WIDTH(lines[i]) * sizeof(DtTermEnhPart));
(void) memset(&enh[WIDTH(lines[i])], 0,
(*newCols - WIDTH(lines[i])) *
sizeof(DtTermEnhPart));
free(DT_ENH(lines[i]));
DT_ENH(lines[i]) = enh;
}
else
{
/*
** the malloc failed, revert back to MAX_COLS
*/
*newCols = MAX_COLS(tb);
*newRows = MIN(*newRows, MAX_ROWS(tb));
break;
}
}
newLineBuffer = (termChar *) malloc((unsigned)
*newCols * BYTES_PER_CHAR(tb));
if (newLineBuffer == NULL)
{
/*
** line buffer malloc failed, we can only increase the
** width to the current maximum...
*/
*newCols = MAX_COLS(tb);
*newRows = MIN(*newRows, MAX_ROWS(tb));
break;
}
memcpy(newLineBuffer, BUFFER(lines[i]), LENGTH(lines[i]) *
BYTES_PER_CHAR(tb));
free(BUFFER(lines[i]));
BUFFER(lines[i]) = newLineBuffer;
WRAPPED(lines[i]) = False;
}
MAX_COLS(tb) = *newCols;
}
COLS(tb) = *newCols;
/*
** now adjust the length of the buffer as necessary...
*/
if (*newRows > MAX_ROWS(tb))
{
/*
** the number of rows is increasing
*/
lines = (DtLine *) malloc((unsigned) *newRows * sizeof(DtLine));
if (lines != NULL)
{
/*
** the malloc succeeded, copy the old information, and then
** free it...
*/
memcpy(lines, DT_LINES(tb), sizeof(DtLine) * MAX_ROWS(tb));
free(DT_LINES(tb));
LINES(tb) = (TermLine *)lines;
/*
** now initialize the new lines...
**
** NOTE:
** If we are unable to malloc any part of a line, adjust
** "newRows" and break.
*/
for (i = MAX_ROWS(tb); i < *newRows; i++)
{
lines[i] = (DtLine) malloc(SIZE_OF_LINE(tb));
if (lines[i])
{
DT_ENH(lines[i]) = NULL;
BUFFER(lines[i]) = (termChar *) malloc((unsigned) COLS(tb) *
BYTES_PER_CHAR(tb));
if (BUFFER(lines[i]))
{
LENGTH(lines[i]) = 0;
WIDTH(lines[i]) = 0;
WRAPPED(lines[i]) = False;
}
else
{
/*
** the line buffer malloc failed...
*/
*newRows = i;
break;
}
}
else
{
/*
** we couldn't malloc this line...
*/
*newRows = i;
break;
}
}
MAX_ROWS(tb) = *newRows;
}
else
{
/*
** the malloc for the row buffer failed, revert back to MAX_ROWS
*/
*newRows = MAX_ROWS(tb);
}
}
ROWS(tb) = *newRows;
}
/*
** Free the buffer.
**
** NOTE: This is a helper function, and should only be called by
** TermPrimBufferFreeBuffer.
*/
void
_DtTermBufferFreeBuffer
(
const TermBuffer tb
)
{
DtLine *lines;
/*
** Free the Dt-specific buffer info...
*/
for (lines = DT_LINES(tb); lines < DT_LINES(tb) + ROWS(tb); lines++)
{
if (DT_ENH(*lines))
{
(void) free(DT_ENH(*lines));
}
}
if (VALUE_LIST(tb))
{
(void) free(VALUE_LIST(tb));
}
}
/*
** clear all the enhancements from startCol through stopCol
*/
static void
clearEnhancements
(
TermBuffer tb,
short row,
short col,
short count
)
{
DtEnh enh;
int i;
enh = DT_ENH(DT_LINE_OF_TBUF(tb, row));
if (enh)
{
enh += col;
for(i = 0; i < count; i++)
{
/*
** Clear all of the enhancement information.
*/
*enh = blankEnh;
enh++;
}
}
}
/*
** Clear "count" enhancement blocks, starting at the specified row and column.
*/
static void
_DtTermClearEnhancements
(
TermBuffer tb,
short row,
short col,
short count
)
{
clearEnhancements(tb, row, col, count);
}
/*
** Insert the desired number of enhancements at the specified
** position...
**
** NOTE:
** We depend on the calling function to insure that insertCount
** has been properly clipped to insure that we don't go out of
** bounds.
** Results are undefined if this function is called when the specified
** column is at the end of the line.
*/
static void
_DtTermInsertEnhancements
(
const TermBuffer tb,
const short row,
const short col,
short insertCount,
const Boolean insertFlag
)
{
DtTermEnhPart fillEnh;
DtEnh enh;
DtLine line;
int i;
int copyCount;
line = DT_LINE_OF_TBUF(tb, row);
enh = DT_ENH(line);
/*
** There's nothing to do if we're past the end of the line or
** the dirty bit is clear and there are no ehancements on
** this line...
*/
if ((col < WIDTH(line)) && ((DT_ENH_DIRTY(tb)) || (enh != NULL)))
{
if ((enh == NULL))
{
/*
** there are currently no enhancements on this line,
** allocate an enhancement buffer, and reset 'enh'...
*/
_DtTermBufferCreateEnhancement(tb, row, col);
enh = DT_ENH(line);
}
/*
** get a copy of the current enhancement (we'll insert 'copyCount'
** copies of it into the enhancement buffer)
*/
fillEnh = DT_ENH_STATE(tb);
if (insertFlag)
{
/*
** we're in insert mode, move any existing enhancements...
*/
copyCount = MIN((WIDTH(line) - col),
(COLS(tb) - col - insertCount));
copyCount = MAX(0, copyCount);
memmove(enh + col + insertCount, enh + col,
copyCount * sizeof(DtTermEnhPart));
}
#ifdef NOCODE
/*
** insert insertCount copies of fillEnh into the enhancement buffer
** starting at line->enh[col + 1]...
*/
enh += col + 1;
for (i = 0; i < insertCount; i++)
{
*enh = fillEnh;
enh++;
}
#else /* NOCODE */
/*
** insert insertCount copies of fillEnh into the enhancement buffer
** starting at line->enh[col + 1]...
*/
enh += col;
for (i = 0; i < insertCount; i++)
{
*enh = fillEnh;
enh++;
}
#endif /* NOCODE */
}
}
void
_DtTermBufferDelete
(
TermBuffer tb,
short *row,
short *col,
short *count /* number of columns to delete */
)
{
_DtTermPrimBufferDelete(tb, row, col, count, NULL, NULL);
}
/*
** delete the desired enhancements starting the specified position...
*/
static void
_DtTermDeleteEnhancement
(
TermBuffer tb,
short row,
short col,
short width
)
{
DtEnh enh;
DtTermEnhPart fillEnh;
DtLine line;
int copyCount;
line = DT_LINE_OF_TBUF(tb, row);
enh = DT_ENH(line);
if ((enh == NULL) || (WIDTH(line) <= col))
{
/*
** no enhancements, or at (or past) the end of the line, return
*/
return;
}
/*
** move all of the enhancement blocks between col + width and the
** end of the line to col
*/
copyCount = WIDTH(line) - (col + width);
memmove(enh + col , enh + col + width,
copyCount * sizeof(DtTermEnhPart));
}
/*
** Create an enhancement block at the specified row and column.
**
** NOTE: For the time being, we simply allocate an entire row's worth
** of enhancement blocks if it doesn't exist already. We may
** get smarter later on.
*/
/*ARGSUSED*/
static Boolean
_DtTermBufferCreateEnhancement
(
TermBuffer tb,
short row,
short col
)
{
DtLine line;
DtEnh *enh;
if (!VALID_ROW(tb, row) || !VALID_COL(tb, col))
{
return(False);
}
line = DT_LINE_OF_TBUF(tb, row);
enh = &(DT_ENH(line));
/*
** If this row already has enhancement blocks allocated, return.
*/
if (*enh == NULL)
{
/*
** Otherwise, allocate and initialize a row of enhancement blocks.
*/
*enh = (DtEnh) malloc(MAX_COLS(tb) * sizeof(DtTermEnhPart));
if (*enh == NULL)
{
return(False);
}
/*
** Clear all the enhancements...
*/
(void) memset(*enh, 0, MAX_COLS(tb) * sizeof(DtTermEnhPart));
}
return(True);
}
/*
** Free the enhancement block at the specified row and column.
**
** NOTE: We may get smarter later on.
*/
Boolean
_DtTermBufferFreeEnhancement
(
TermBuffer tb,
short row,
short col
)
{
return(True);
}
/*
** Set the desired enhancement.
**
** This function does the right thing (as far as I can tell regarding
** propagating enhancements).
**
** Return:
** -1 : the enhancement was not set
** >= 0 : the number of characters (as opposed to character positions)
** that the enhancement affects
*/
static int
_DtTermSetEnhancement
(
TermBuffer tb,
short row,
short col,
unsigned char id,
enhValue value
)
{
int i;
DtEnh enhState;
enhState = (DtEnh) &(DT_ENH_STATE(tb));
/*
** Set the value.
*/
switch (id)
{
case enhVideo:
enhState->video = value & VIDEO_MASK;
break;
case enhField:
enhState->field = value & FIELD_MASK;
break;
case enhFgColor:
enhState->fgColor = value & COLOR_MASK;
break;
case enhBgColor:
enhState->bgColor = value & COLOR_MASK;
break;
case enhFont:
enhState->font = value & FONT_MASK;
break;
default:
return(-1);
}
/*
** We've set the value, now decide if this anything but the blank
** enhancement.
*/
DT_ENH_DIRTY(tb) = ((enhState->video != blankEnh.video ) ||
(enhState->field != blankEnh.field ) ||
(enhState->fgColor != blankEnh.fgColor) ||
(enhState->bgColor != blankEnh.bgColor) ||
(enhState->font != blankEnh.font ));
/*
** return the correct count (which in this case will always be 0)
*/
return(0);
}
/*
** Get the enhancements for the desired row and column.
**
** enhValues:
** a pointer to an array of the current enhancement values
**
** count:
** the number of columns for which the enhancements are
** valid, or the number of columns until the enhancements
** were modified by an escape sequence (see 'countWhich' below)
**
** countWhich:
** if 'countWhich' is countAll then count until any enhancement value
** changes
** if 'countAll' is countNew then count until a new enhancement value
** starts (regardless of whether it is the same or not).
**
** Return:
** True if row and col are valid
*/
static Boolean
_DtTermGetEnhancement
(
const TermBuffer tb,
const short row,
const short col,
enhValue **values,
short *count,
const countSpec countWhich
)
{
/*
** store the current enhancement values here
*/
int i;
DtLine line;
DtEnh enh;
/*
** First we do some simple bounds checking
*/
VALIDATE_ENHANCEMENTS(tb, row);
if (!VALID_ROW(tb, row) || !VALID_COL(tb, col))
{
return(False);
}
line = DT_LINE_OF_TBUF(tb, row);
/*
** point to the correct enhancement chunk.
*/
if (DT_ENH(line) == NULL || (WIDTH(line) <= col))
{
/*
** There are either no enhancements allocated for this line,
** or we're past the end of the line, in either case return
** a blank enhancement.
*/
enh = &blankEnh;
}
else
{
/*
** We're in the line get the current enhancement values
*/
enh = &(DT_ENH(line)[col]);
}
/*
** Shove the enhancement values into their correct locations...
*/
*values = (VALUE_LIST(tb));
(*values)[(int)enhVideo ] = (enh->video & VIDEO_MASK);
(*values)[(int)enhField ] = (enh->field & FIELD_MASK);
(*values)[(int)enhFgColor] = (enh->fgColor & COLOR_MASK);
(*values)[(int)enhBgColor] = (enh->bgColor & COLOR_MASK);
(*values)[(int)enhFont ] = (enh->font & FONT_MASK );
/*
** Now count how many characters are affected by the enhancements.
*/
if (DT_ENH(line) == NULL)
{
/*
** There no enhancements allocated for this line, the default
** enhancement is active for the remainder of the line.
** NOTE: Make sure count >= 0.
*/
*count = MAX(0, WIDTH(line) - col);
}
else if (WIDTH(line) <= col)
{
/*
** We're past the end of the line, count will always == 0;
*/
*count = 0;
}
else
{
/*
** We're in the line, determine the number of characters that
** these enhancements apply to.
*/
switch (countWhich)
{
case countNew:
/*
** For Vt220 emulation, countNew is the same as countAll...
** JRM 08/30/93
*/
case countAll:
/*
** count until an enhancement value changes
*/
for (i = 0; i < (WIDTH(line) - col); i++)
{
if (((*values)[(int)enhVideo ] != (enh->video & VIDEO_MASK))||
((*values)[(int)enhField ] != (enh->field & FIELD_MASK))||
((*values)[(int)enhFgColor] != (enh->fgColor & COLOR_MASK))||
((*values)[(int)enhBgColor] != (enh->bgColor & COLOR_MASK))||
((*values)[(int)enhFont ] != (enh->font & FONT_MASK )) )
{
/*
** the enhancements differ; break out
*/
break;
}
enh++;
}
break;
default:
VALIDATE_ENHANCEMENTS(tb, row);
return(False);
}
*count = i;
}
VALIDATE_ENHANCEMENTS(tb, row);
return(True);
}
/*
** This is a vt-specific helper function for setting the line length.
** By the time the function is called, termBufferSetLineLength()
** as already validated the newLength, the row, and insured that the
** new length is > the current length
**
** This function propagates the correct enhancement to the new end of line.
*/
static Boolean
_DtTermSetLineLength
(
TermBuffer tb,
short row,
short newLength
)
{
return(True);
}
/*
** _DtTermPrimBufferClearLine will reset the line width, this is
** our chance to clear any enhancements that may exist on this line...
*/
static Boolean
_DtTermClearLine
(
TermBuffer tb,
short row,
short newWidth
)
{
DtLine line;
DtEnh enh;
line = DT_LINE_OF_TBUF(tb, row);
enh = DT_ENH(line);
if (enh != NULL)
{
/*
** We have enhancements, clear all those between the current
** and the new length...
*/
(void) memset(&enh[newWidth], 0,
(WIDTH(line) - newWidth) * sizeof(DtTermEnhPart));
}
return(True);
}
/*
** Erase characters on the specified row (and clear the enhancements) with
** the appropriate semantics. For VT class emulators, there are several
** ways to erase characters:
** - from the active position to the end of line
** - erase the specified number of characters starting at the current
** cursor position
** - from the start of the line to the active position
** - erase the entire line
** - from the active position to the end of the buffer
** - erase the specified number of lines starting at the current
** cursor position
** - from the start of the buffer to the active position
** - erase the entire buffer
*/
void
_DtTermBufferErase
(
TermBuffer tb,
short row,
short col,
short count,
DtEraseMode eraseSwitch
)
{
short startCol = 0;
short lastCol = 0;
switch(eraseSwitch)
{
case eraseFromCol0:
/*
** erase from col 0 to the current cursor position
*/
startCol = 0;
lastCol = MIN(col, WIDTH(DT_LINE_OF_TBUF(tb, row)) - 1);
break;
case eraseCharCount:
/*
** erase "count" characters from the current cursor position
*/
startCol = col;
lastCol = MIN(col + count - 1, WIDTH(DT_LINE_OF_TBUF(tb, row)) - 1);
break;
case eraseLineCount:
case eraseToEOL:
case eraseLine:
case eraseBuffer:
case eraseFromRow0Col0:
case eraseToEOB:
/*
** These cases should have been handled by _DtTermFuncErase()
*/
return;
}
_DtTermPrimBufferErase(tb, row, startCol, lastCol);
/*
** now clear the corresponding enhancements...
*/
clearEnhancements(tb, row, startCol, lastCol - startCol + 1);
}
#if (defined(TEST) || defined(__CODECENTER__) || defined(VALIDATE_ENH))
static void
_DtTermValidateEnhancements
(
TermBuffer tb,
short row
)
{
DtTermEnhPart refEnh;
DtEnh thisEnh;
DtLine thisLine;
short col;
Boolean validatePassed;
validatePassed = True;
thisLine = DT_LINE_OF_TBUF(tb, row);
if (DT_ENH(thisLine))
{
/*
** Initialize the reference enhancement
*/
refEnh = blankEnh;
refEnh.videoStart = 0;
refEnh.fieldStart = 0;
refEnh.colorStart = 0;
refEnh.fontStart = 0;
for(col = 0, thisEnh = DT_ENH(thisLine);
col < WIDTH(thisLine) +
(DANGLE(thisLine) >= 0 ? 1 : 0);
col++, thisEnh++)
{
if (thisEnh->videoStart)
{
refEnh.video = thisEnh->video;
}
else if (refEnh.video != thisEnh->video)
{
fprintf(stderr, "Video enhancements don't match:");
fprintf(stderr, " row : %3.3d, col : %3.3d\n", row, col);
fprintf(stderr, " refEnh.video : %d\n", (int)(refEnh.video & VIDEO_MASK));
fprintf(stderr, " thisEnh->video: %d\n", (int)(thisEnh->video & VIDEO_MASK));
validatePassed = False;
}
if (thisEnh->fieldStart)
{
refEnh.field = thisEnh->field;
}
else if (refEnh.field != thisEnh->field)
{
fprintf(stderr, "Field enhancements don't match:");
fprintf(stderr, " row : %3.3d, col : %3.3d\n", row, col);
fprintf(stderr, " refEnh.field : %d\n", (int)(refEnh.field & FIELD_MASK));
fprintf(stderr, " thisEnh->field: %d\n", (int)(thisEnh->field & FIELD_MASK));
validatePassed = False;
}
if (thisEnh->colorStart)
{
refEnh.color = thisEnh->color;
}
else if (refEnh.color != thisEnh->color)
{
fprintf(stderr, "Color enhancements don't match:");
fprintf(stderr, " row : %3.3d, col : %3.3d\n", row, col);
fprintf(stderr, " refEnh.color : %d\n", (int)(refEnh.color & COLOR_MASK));
fprintf(stderr, " thisEnh->color: %d\n", (int)(thisEnh->color & COLOR_MASK));
validatePassed = False;
}
if (thisEnh->font <= 2)
{
if (thisEnh->fontStart)
{
refEnh.font = thisEnh->font;
}
else if (refEnh.font != thisEnh->font)
{
fprintf(stderr, "Font enhancements don't match:");
fprintf(stderr, " row : %3.3d, col : %3.3d\n", row, col);
fprintf(stderr, " refEnh.font : %d\n", (int)(refEnh.font & FONT_MASK));
fprintf(stderr, " thisEnh->font: %d\n", (int)(thisEnh->font & FONT_MASK));
validatePassed = False;
}
}
else
{
fprintf(stderr, "Font enhancement out of range:");
fprintf(stderr, " row : %3.3d, col : %3.3d\n", row, col);
fprintf(stderr, " thisEnh->font: %d\n", (int)(thisEnh->font & FONT_MASK));
validatePassed = False;
}
}
}
if (validatePassed == False)
{
fprintf(stderr, "validateEnhancement failed\n");
}
}
#endif /* TEST || __CODECENTER__ || DEBUG || VALIDATE_ENH */
#if (defined(TEST) || defined(__CODECENTER__) || defined(DEBUG))
#ifdef NOCODE
static void
_printLine
(
TermBuffer tb,
short row
)
{
DtLine line;
termChar *pChar;
short j;
printf("Line: %d\n", row);
line = tb->lines[row];
printf(" length: %3d\n", line->length);
if (line->length > 0)
{
printf(" buffer: <");
pChar = line->buffer;
for (j = 0; j < line->length; j++)
{
printf("%X", *pChar++);
}
printf(">\n");
}
}
static int
_DtTermPrintEnhancement
(
TermBuffer tb,
short row,
short col
)
{
enhValue enhancements[NUM_ENHANCEMENT_FIELDS];
short enhCount;
_DtTermPrimBufferGetEnhancement(tb, row, col, enhancements, &enhCount, countNew);
printf(" col : %d\n", col);
printf(" Count: %d\n", enhCount);
printf(" Video: '_");
printf("%s", IS_BOLD(enhancements[enhVideo]) != 0 ? "B":"b");
printf("_");
printf("%s", IS_SECURE(enhancements[enhVideo]) != 0 ? "S":"s");
printf("_");
printf("%s", IS_HALF_BRIGHT(enhancements[enhVideo]) != 0 ? "H":"h");
printf("_");
printf("%s", IS_UNDERLINE(enhancements[enhVideo]) != 0 ? "U":"u");
printf("_");
printf("%s", IS_INVERSE(enhancements[enhVideo]) != 0 ? "I":"i");
printf("_");
printf("%s", IS_BLINK(enhancements[enhVideo]) != 0 ? "B":"b");
printf("_'\n");
/*
** Field type
*/
printf(" Field: ");
switch (enhancements[enhField])
{
case FIELD_PROTECT:
printf("PROTECT");
break;
case FIELD_UNPROTECT:
printf("UNPROTECT");
break;
case FIELD_TRANSMIT:
printf("TRANSMIT");
break;
case FIELD_END:
printf("END");
break;
}
printf("\n");
/*
** Color id
*/
printf(" Color: %1d\n", enhancements[enhFont]);
/*
** Font id
*/
printf(" Font : ");
switch (enhancements[enhFont])
{
case FONT_NORMAL:
printf("NORMAL");
break;
case FONT_LINEDRAW:
printf("LINEDRAW");
break;
}
printf("\n");
return(enhCount);
}
#endif /* NOCODE */
static void
printEnh
(
DtEnh enh
)
{
printf(" video : %d\n", enh->video);
printf(" field : %d\n", enh->field);
printf(" fgColor: %d\n", enh->fgColor);
printf(" bgColor: %d\n", enh->bgColor);
printf(" font : %d\n", enh->font);
}
/*
** Print the contents of the TermBuffer.
*/
static void
_DtTermPrintBuffer
(
DtTermBuffer tb
)
{
short i;
short j;
short k;
if (tb == NULL) {
printf("TermBuffer has been freed.\n");
return;
}
printf("TermBuffer dimensions:\n");
printf(" rows: %d\n", ROWS(tb));
printf(" cols: %d\n", COLS(tb));
printf(" enhDirty: %d\n", DT_ENH_DIRTY(tb));
printf(" enhState:\n");
printEnh(&(DT_ENH_STATE(tb)));
#ifdef NOCODE
for (i = 0; i < ROWS(tb); i++)
{
_printLine(tb, i);
j = 0;
do
{
k = _termBufferPrintEnhancement(tb, i, j);
if (k == 0)
{
break;
}
j += k;
} while (j < COLS(tb));
}
#endif /* NOCODE */
}
#endif /* (defined(TEST) || defined(__CODECENTER__)) */
#ifdef TEST
/*
** Some simple tests of the termBuffer.
*/
/* the following is to allow for a single main function in the code... */
#define termBufMain main
termBufMain()
{
TermBuffer myTB;
printf("Sizeof DtTermEnhPart : %d\n", sizeof(struct _DtTermEnhPart));
printf("Sizeof termBufferRec : %d\n", sizeof(struct _TermBufferRec));
myTB = _DtTermPrimBufferCreateBuffer(12, 80);
_termBufferPrintBuffer(myTB);
printf("[0,0] %d\n", _DtTermPrimBufferSetEnhancement(myTB, 0, 0, enhVideo, BLINK));
_termBufferPrintEnhancement(myTB, 0, 0);
printf("[0,1] %d\n", _DtTermPrimBufferSetEnhancement(myTB, 0, 1, enhVideo, INVERSE));
_termBufferPrintEnhancement(myTB, 0, 0);
_termBufferPrintEnhancement(myTB, 0, 1);
printf("[0,9] %d\n", _DtTermPrimBufferSetEnhancement(myTB, 0, 9, enhVideo, UNDERLINE));
_termBufferPrintEnhancement(myTB, 0, 0);
_termBufferPrintEnhancement(myTB, 0, 1);
_termBufferPrintEnhancement(myTB, 0, 9);
printf("[0,6] %d\n", _DtTermPrimBufferSetEnhancement(myTB, 0, 6, enhVideo, HALF_BRIGHT));
_termBufferPrintEnhancement(myTB, 0, 0);
_termBufferPrintEnhancement(myTB, 0, 1);
_termBufferPrintEnhancement(myTB, 0, 6);
_termBufferPrintEnhancement(myTB, 0, 9);
_termBufferPrintBuffer(myTB);
_DtTermPrimBufferSetEnhancement(myTB, 10, 10, enhVideo, BLINK);
_DtTermPrimBufferSetEnhancement(myTB, 10, 20, enhColor, 3);
_termBufferPrintBuffer(myTB);
_DtTermPrimBufferResizeBuffer(&myTB, 6, 40);
_termBufferPrintBuffer(myTB);
_DtTermPrimBufferSetEnhancement(myTB, 10, 10, enhVideo, BLINK);
_DtTermPrimBufferResizeBuffer(&myTB, 12, 80);
_termBufferPrintBuffer(myTB);
_DtTermPrimBufferFreeBuffer(myTB);
}
#endif /* TEST */