206 lines
7.5 KiB
C
206 lines
7.5 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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** $TOG: TermPrimBufferP.h /main/2 1997/04/17 18:05:11 samborn $
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*/
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/* *
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* (c) Copyright 1993, 1994 Hewlett-Packard Company *
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* (c) Copyright 1993, 1994 International Business Machines Corp. *
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* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
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* (c) Copyright 1993, 1994 Novell, Inc. *
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*/
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#ifndef _Dt_TermPrimBufferP_h
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#define _Dt_TermPrimBufferP_h
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#include "TermPrimBuffer.h"
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#include "TermPrimSelect.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define VALID_ROW(tb, r) (((r) >= 0) && ((r) < (tb)->term_buffer.rows))
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#define VALID_COL(tb, c) (((c) >= 0) && ((c) < (tb)->term_buffer.cols))
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#define VALID_LENGTH(tb, l) (((l) >= 0) && ((l) <= (tb)->term_buffer.cols))
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/*
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** Make it easier to access members of the Terminal Buffer
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*/
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#define LINES(tb) ((tb)->term_buffer.lines)
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#define LINE_OF_TBUF(tb, row) (LINES(tb)[row])
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#define ROWS(tb) ((tb)->term_buffer.rows)
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#define COLS(tb) ((tb)->term_buffer.cols)
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#define MAX_ROWS(tb) ((tb)->term_buffer.maxRows)
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#define MAX_COLS(tb) ((tb)->term_buffer.maxCols)
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#define TABS(tb) ((tb)->term_buffer.tabs)
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#define NUM_ENH_FIELDS(tb) ((tb)->term_buffer.numFields)
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#define SIZE_OF_BUFFER(tb) ((tb)->term_buffer.sizeOfBuffer)
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#define SIZE_OF_LINE(tb) ((tb)->term_buffer.sizeOfLine)
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#define SIZE_OF_ENH(tb) ((tb)->term_buffer.sizeOfEnh)
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#define VALUE_LIST(tb) ((tb)->term_buffer.valueList)
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#define WIDGET(tb) ((tb)->term_buffer.widget)
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/*
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** Make it easy to access the term buffer methods
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*/
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#define BUFFER_CREATE(tb) ((tb)->term_buffer.buffer_create_proc)
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#define BUFFER_FREE(tb) ((tb)->term_buffer.buffer_free_proc)
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#define BUFFER_RESIZE(tb) ((tb)->term_buffer.buffer_resize_proc)
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#define ENH_PROC(tb) ((tb)->term_buffer.enh_proc)
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#define CLEAR_ENH(tb) ((tb)->term_buffer.clear_enh)
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#define INSERT_ENH(tb) ((tb)->term_buffer.insert_enh)
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#define DELETE_ENH(tb) ((tb)->term_buffer.delete_enh)
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#define SET_ENH(tb) ((tb)->term_buffer.set_enh)
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#define GET_ENH(tb) ((tb)->term_buffer.get_enh)
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#define SET_LINE_WIDTH(tb) ((tb)->term_buffer.set_line_width)
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#define SET_LINE_LENGTH(tb)((tb)->term_buffer.set_line_len)
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#define CLEAR_LINE(tb) ((tb)->term_buffer.clear_line)
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#define NEXT_BUFFER(tb) ((tb)->term_buffer.nextBuffer)
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#define PREV_BUFFER(tb) ((tb)->term_buffer.prevBuffer)
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#define BUFFER_SELECT_INFO(tb) ((tb)->term_buffer.selectInfo)
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#define WIDTH(l) ((l)->term_line.width)
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#define LENGTH(l) ((l)->term_line.length)
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#define BUFFER(l) ((l)->term_line.buffer)
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#define WRAPPED(l) ((l)->term_line.wrapped)
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#define IN_SELECTION(l) ((l)->term_line.inSelection)
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#define IS_IN_SELECTION(l,s,e) \
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(!(((l)->term_line.inSelection.selectionStart > e) || \
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((l)->term_line.inSelection.selectionEnd < s)))
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#define START_SELECTION(l) ((l)->term_line.inSelection.selectionStart)
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#define END_SELECTION(l) ((l)->term_line.inSelection.selectionEnd)
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#define MIN_SELECTION_COL (0)
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#define MAX_SELECTION_COL (32700)
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#define NON_SELECTION_COL (-1)
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#define BYTES_PER_CHAR(tb) ((tb)->term_buffer.bytesPerChar)
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/*
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** declare the private enhancement information
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*/
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typedef struct _TermEnhPart
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{
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int foo; /* placate the compiler */
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} TermEnhPart;
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typedef struct _TermEnhRec
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{
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TermEnhPart term_enh;
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} TermEnhRec, *TermEnh;
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typedef struct _TermLineSelectionRec
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{
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short selectionStart;
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short selectionEnd;
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} TermLineSelectionRec;
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/*
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** Lines have a column length, and a character length, these two numbers are
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** not always equal, since, in some locales (i.e. Japanese) the character
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** glyphs can be two columns wide. We also want to know if this line wrapped
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** to the following line.
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*/
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typedef struct _TermLinePart
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{
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short width; /* single width columns */
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short length; /* in characters */
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TermLineSelectionRec
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inSelection;
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Boolean wrapped; /* did this line wrap to the following line? */
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termChar *buffer;
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} TermLinePart;
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typedef struct _TermLineRec
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{
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TermLinePart term_line;
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} TermLineRec, *TermLine;
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/*
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** This structure defines the buffer instance part
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*/
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typedef struct _TermBufferPart
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{
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short rows; /* height (in chars) of character buffer */
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short cols; /* width (in single width cols) of buffer */
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short maxRows; /* maximum height (before any resize) */
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short maxCols; /* maximum width (before any resize) */
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short bytesPerChar; /* bytes per character */
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Boolean *tabs; /* array of flags showing tab positions*/
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unsigned char numFields; /* number of fields in an enhancement */
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short sizeOfBuffer; /* bytes per buffer record */
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short sizeOfLine; /* bytes per enhancement record */
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short sizeOfEnh; /* bytes per line record */
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enhValues valueList; /* local storage for enhancement values*/
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TermLine *lines;
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TermBuffer nextBuffer; /* next term buffer in list */
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TermBuffer prevBuffer; /* previous term buffer in list */
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TermSelectInfo selectInfo; /* current select info record */
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BufferCreateProc buffer_create_proc;
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BufferResizeProc buffer_resize_proc;
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BufferFreeProc buffer_free_proc;
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TermEnhProc enh_proc;
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TermEnhClear clear_enh;
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TermEnhInsert insert_enh;
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TermEnhDelete delete_enh;
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TermEnhSet set_enh;
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TermEnhGet get_enh;
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TermLineSetLen set_line_len;
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TermLineSetWidth set_line_width;
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TermLineClear clear_line;
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Widget widget; /* the widget that created this buffer */
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} TermBufferPart;
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typedef struct _TermBufferRec
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{
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TermBufferPart term_buffer;
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} TermBufferRec;
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extern
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short
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_DtTermPrimBufferInsertWc
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(
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const TermBuffer tb,
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const short row,
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const short col,
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wchar_t *newChars,
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short numChars,
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Boolean insertFlag,
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termChar **returnChars,
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short *returnLength
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);
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extern
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Boolean
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_DtTermPrimBufferClearLineWc
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(
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const TermBuffer tb,
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const short row,
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short newWidth
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);
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#ifdef __cplusplus
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} /* close scope of 'extern "C"'... */
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#endif /* __cplusplus */
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#endif /* _Dt_TermPrimBufferP_h */
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/* DON'T ADD ANYTHING AFTER THIS #endif... */
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