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gecko-dev/lib/layout/layfind.c
ltabb 3b56a9af51 Free the lizard
1998-03-28 02:44:41 +00:00

1104 lines
22 KiB
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "xp.h"
#include "layout.h"
#include "intl_csi.h"
#ifdef PROFILE
#pragma profile on
#endif
#ifdef XP_MAC
# ifdef XP_TRACE
# undef XP_TRACE
# endif
# define XP_TRACE(X)
#else
#ifndef XP_TRACE
# define XP_TRACE(X) fprintf X
#endif
#endif /* XP_MAC */
#ifdef TEST_16BIT
#define XP_WIN16
#endif /* TEST_16BIT */
#define INTL_FIND 1 /* ftang */
#include "libi18n.h"
/*************************
* The following is to speed up case conversion
* to allow faster checking of caseless equal among strings.
*************************/
#ifdef NON_ASCII_STRINGS
# define TOLOWER(x) (tolower((int)(x)))
#else /* ASCII TABLE LOOKUP */
static unsigned char lower_lookup[256]={
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,
27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,
51,52,53,54,55,56,57,58,59,60,61,62,63,64,
97,98,99,100,101,102,103,104,105,106,107,108,109,
110,111,112,113,114,115,116,117,118,119,120,121,122,
91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,
111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,
129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,
147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,
165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,
183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,
201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,
219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,
237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,
255};
# define TOLOWER(x) (lower_lookup[(unsigned int)(x)])
#endif /* NON_ASCII_STRINGS */
static void
lo_next_character(MWContext *context, lo_DocState *state, LO_Element **ele_loc,
int32 *pos, Bool forward)
{
INTL_CharSetInfo c = LO_GetDocumentCharacterSetInfo(context);
int16 win_csid = INTL_GetCSIWinCSID(c);
LO_Element *eptr;
int32 position;
eptr = *ele_loc;
position = *pos;
/*
* If our current element is text, we may be able to just
* move inside of it.
*/
if (eptr->type == LO_TEXT)
{
if ((forward != FALSE)&&
(position < (eptr->lo_text.text_len - 1)))
{
#ifdef INTL_FIND
/* Add by ftang to provide international find */
position = INTL_NextCharIdxInText(win_csid, (unsigned char*)eptr->lo_text.text, position );
#else
position++;
#endif
*ele_loc = eptr;
*pos = position;
return;
}
else if ((forward == FALSE)&&(position > 0))
{
#ifdef INTL_FIND
/* Add by ftang to provide international find */
position = INTL_PrevCharIdxInText(win_csid, (unsigned char*)eptr->lo_text.text, position );
#else
position--;
#endif
*ele_loc = eptr;
*pos = position;
return;
}
}
/*
* If we didn't return above, we need to move to a new element.
*/
if (forward != FALSE)
{
/*
* If no next element, see if this is a CELL we can
* hop out of.
*/
if (eptr->lo_any.next == NULL)
{
int32 no_loop_id;
no_loop_id = eptr->lo_any.ele_id;
/*
* Jump cell boundries if there is one
* between here and the next element.
*/
eptr = lo_JumpCellWall(context, state, eptr);
/*
* If non-null eptr is the cell we were in, move
* to the next cell/element.
*/
if (eptr != NULL)
{
eptr = eptr->lo_any.next;
}
/*
* infinite loop prevention
*/
if ((eptr != NULL)&&(eptr->lo_any.ele_id <= no_loop_id))
{
#ifdef DEBUG
XP_TRACE(("Find loop avoidance 1\n"));
#endif /* DEBUG */
eptr = NULL;
}
}
else
{
eptr = eptr->lo_any.next;
}
}
else
{
/*
* If no previous element, see if this is a CELL we can
* hop out of.
*/
if (eptr->lo_any.prev == NULL)
{
int32 no_loop_id;
no_loop_id = eptr->lo_any.ele_id;
/*
* Jump cell boundries if there is one
* between here and the previous element.
*/
eptr = lo_JumpCellWall(context, state, eptr);
/*
* If non-null eptr is the cell we were in, move
* to the previous cell/element.
*/
if (eptr != NULL)
{
eptr = eptr->lo_any.prev;
}
/*
* infinite loop prevention
*/
if ((eptr != NULL)&&(eptr->lo_any.ele_id >= no_loop_id))
{
#ifdef DEBUG
XP_TRACE(("Find loop avoidance 2\n"));
#endif /* DEBUG */
eptr = NULL;
}
}
else
{
eptr = eptr->lo_any.prev;
}
}
while (eptr != NULL)
{
if (eptr->type == LO_LINEFEED)
{
break;
}
else if ((eptr->type == LO_TEXT)&&(eptr->lo_text.text != NULL))
{
break;
}
else if (eptr->type == LO_CELL)
{
/*
* When we walk onto a cell, we need
* to walk into it if it isn't empty.
*/
if ((forward != FALSE)&&
(eptr->lo_cell.cell_list != NULL))
{
eptr = eptr->lo_cell.cell_list;
continue;
}
else if ((forward == FALSE)&&
(eptr->lo_cell.cell_list_end != NULL))
{
eptr = eptr->lo_cell.cell_list_end;
continue;
}
}
/*
* Move forward or back to the next element
*/
if (forward != FALSE)
{
/*
* If no next element, see if this is a CELL we can
* hop out of.
*/
if (eptr->lo_any.next == NULL)
{
int32 no_loop_id;
no_loop_id = eptr->lo_any.ele_id;
/*
* Jump cell boundries if there is one
* between here and the next element.
*/
eptr = lo_JumpCellWall(context, state, eptr);
/*
* If non-null eptr is the cell we were in, move
* to the next cell/element.
*/
if (eptr != NULL)
{
eptr = eptr->lo_any.next;
}
/*
* infinite loop prevention
*/
if ((eptr != NULL)&&(
eptr->lo_any.ele_id <= no_loop_id))
{
#ifdef DEBUG
XP_TRACE(("Find loop avoidance 3\n"));
#endif /* DEBUG */
eptr = NULL;
}
}
else
{
eptr = eptr->lo_any.next;
}
}
else
{
/*
* If no previous element, see if this is a CELL we can
* hop out of.
*/
if (eptr->lo_any.prev == NULL)
{
int32 no_loop_id;
no_loop_id = eptr->lo_any.ele_id;
/*
* Jump cell boundries if there is one
* between here and the previous element.
*/
eptr = lo_JumpCellWall(context, state, eptr);
/*
* If non-null eptr is the cell we were in, move
* to the previous cell/element.
*/
if (eptr != NULL)
{
eptr = eptr->lo_any.prev;
}
/*
* infinite loop prevention
*/
if ((eptr != NULL)&&
(eptr->lo_any.ele_id >= no_loop_id))
{
#ifdef DEBUG
XP_TRACE(("Find loop avoidance 4\n"));
#endif /* DEBUG */
eptr = NULL;
}
}
else
{
eptr = eptr->lo_any.prev;
}
}
}
if (eptr == NULL)
{
*ele_loc = NULL;
*pos = 0;
}
else if (eptr->type == LO_TEXT)
{
*ele_loc = eptr;
if (forward != FALSE)
{
*pos = 0;
}
else
{
#ifdef INTL_FIND
/* Add by ftang to provide international find */
if(eptr->lo_text.text_len == 0)
position = 0;
else
position = INTL_PrevCharIdxInText(win_csid, (unsigned char*)eptr->lo_text.text, eptr->lo_text.text_len );
#else
position = eptr->lo_text.text_len - 1;
if (position < 0)
{
position = 0;
}
#endif
*pos = position;
}
}
else if (eptr->type == LO_LINEFEED)
{
*ele_loc = eptr;
*pos = 0;
}
}
static Bool
lo_find_in_list(MWContext *context, lo_DocState *state,
LO_Element *eptr, char *cmp_text, int32 len, int32 position,
LO_Element **start_ele_loc, int32 *start_position,
LO_Element **end_ele_loc, int32 *end_position,
Bool use_case, Bool forward)
{
int32 cnt;
LO_Element *start_element, *end_element;
int32 start_pos, end_pos;
INTL_CharSetInfo c = LO_GetDocumentCharacterSetInfo(context);
int16 win_csid = INTL_GetCSIWinCSID(c);
while (eptr != NULL)
{
Bool have_start, not_equal;
int charlen = 1;
have_start = FALSE;
while ((eptr != NULL)&&(have_start == FALSE))
{
unsigned char *tptr;
unsigned char *str;
switch (eptr->type)
{
#ifndef INTL_FIND
char tchar;
#endif
case LO_TEXT:
if (eptr->lo_text.text != NULL)
{
PA_LOCK(str, unsigned char *,
eptr->lo_text.text);
tptr = (unsigned char *)(str + position);
#ifdef INTL_FIND
if (use_case)
have_start = INTL_MatchOneCaseChar(win_csid, (unsigned char*)cmp_text,tptr,&charlen);
else
have_start = INTL_MatchOneChar(win_csid, (unsigned char*)cmp_text,tptr,&charlen);
#else
if (use_case == FALSE)
{
tchar = TOLOWER(*tptr);
}
else
{
tchar = *tptr;
}
if (cmp_text[0] == tchar)
{
have_start = TRUE;
}
#endif
PA_UNLOCK(eptr->lo_text.text);
}
break;
case LO_LINEFEED:
if (cmp_text[0] == ' ')
{
have_start = TRUE;
}
break;
case LO_HRULE:
case LO_FORM_ELE:
case LO_BULLET:
case LO_IMAGE:
case LO_SUBDOC:
case LO_TABLE:
default:
break;
}
if (have_start == FALSE)
{
lo_next_character(context, state,
&eptr, &position, forward);
}
}
if (have_start == FALSE)
{
return(FALSE);
}
start_element = eptr;
start_pos = position;
#ifdef INTL_FIND
if (len == charlen)
#else
if (len == 1)
#endif
{
end_element = eptr;
end_pos = position;
*start_ele_loc = start_element;
*start_position = start_pos;
*end_ele_loc = end_element;
*end_position = end_pos;
return(TRUE);
}
#ifdef INTL_FIND
cnt = charlen;
#else
cnt = 1;
#endif
not_equal = FALSE;
lo_next_character(context, state, &eptr, &position, TRUE);
while ((eptr != NULL)&&(cnt < len)&&(not_equal == FALSE))
{
unsigned char *tptr; /* this needs to be an unsigned quantity! chouck 3-Nov-94 */
char *str;
switch (eptr->type)
{
#ifndef INTL_FIND
char tchar;
#endif
case LO_TEXT:
if (eptr->lo_text.text != NULL)
{
PA_LOCK(str, char *,
eptr->lo_text.text);
tptr = (unsigned char *)(str + position);
#ifdef INTL_FIND
if (use_case)
not_equal = ! INTL_MatchOneCaseChar(win_csid,(unsigned char *) cmp_text+cnt,tptr,&charlen);
else
not_equal = ! INTL_MatchOneChar(win_csid,(unsigned char *) cmp_text+cnt,tptr,&charlen);
#else
if (use_case == FALSE)
{
/* this needs to be an unsigned quantity! chouck 3-Nov-94 */
tchar = TOLOWER(*tptr);
}
else
{
tchar = (char) *tptr;
}
if (tchar != cmp_text[cnt])
{
not_equal = TRUE;
}
#endif
PA_UNLOCK(eptr->lo_text.text);
}
break;
case LO_LINEFEED:
if (cmp_text[cnt] != ' ')
{
not_equal = TRUE;
}
break;
case LO_HRULE:
case LO_FORM_ELE:
case LO_BULLET:
case LO_IMAGE:
case LO_SUBDOC:
case LO_TABLE:
default:
break;
}
#ifdef INTL_FIND
cnt += charlen;
#else
cnt++;
#endif
if ((not_equal == FALSE)&&(cnt < len))
{
lo_next_character(context, state,
&eptr, &position, TRUE);
}
}
if ((cnt == len)&&(not_equal == FALSE))
{
end_element = eptr;
end_pos = position;
*start_ele_loc = start_element;
*start_position = start_pos;
*end_ele_loc = end_element;
*end_position = end_pos;
return(TRUE);
}
eptr = start_element;
position = start_pos;
lo_next_character(context, state, &eptr, &position, forward);
}
return(FALSE);
}
static Bool
lo_element_in_floating_cell(MWContext *context, lo_DocState *state,
LO_Element *eptr)
{
LO_Element *cell;
LO_Element *f_ptr;
int32 x, y;
int32 ret_x, ret_y;
/*
* Error test.
*/
if (eptr == NULL)
{
return(FALSE);
}
x = eptr->lo_any.x + eptr->lo_any.x_offset;
y = eptr->lo_any.y + eptr->lo_any.y_offset;
/*
* This wouldn't work if the element had zero width, but since
* we are assuming we are calling this on an element returned
* as the result of a FIND operation, it must be a text item
* with a non-zero width.
*/
cell = lo_XYToDocumentElement(context, state, x, y, TRUE, FALSE, TRUE,
&ret_x, &ret_y);
if ((cell == NULL)||(cell->type != LO_CELL))
{
return(FALSE);
}
/*
* Now look for this cell in the float list.
*/
f_ptr = state->float_list;
while (f_ptr != NULL)
{
if (f_ptr == cell)
{
return(TRUE);
}
f_ptr = f_ptr->lo_any.next;
}
return(FALSE);
}
Bool
LO_FindText(MWContext *context, char *text,
LO_Element **start_ele_loc, int32 *start_position,
LO_Element **end_ele_loc, int32 *end_position,
Bool use_case, Bool forward)
{
int32 doc_id;
lo_TopState *top_state;
lo_DocState *state;
LO_Element *eptr;
LO_Element *start_element, *end_element;
int32 start_pos, end_pos;
int32 position;
int32 i, len;
char *cmp_text;
Bool start_at_top;
Bool search_float_list;
Bool ret_val;
start_at_top = FALSE;
search_float_list = TRUE;
/*
* Get the unique document ID, and retreive this
* documents layout state.
*/
doc_id = XP_DOCID(context);
top_state = lo_FetchTopState(doc_id);
if ((top_state == NULL)||(top_state->doc_state == NULL))
{
return(FALSE);
}
state = top_state->doc_state;
eptr = *start_ele_loc;
position = *start_position;
if (eptr == NULL)
{
start_at_top = TRUE;
if (forward != FALSE)
{
if (state->line_num <= 1)
{
return(FALSE);
}
else
{
LO_Element **array;
#ifdef XP_WIN16
{
XP_Block *larray_array;
XP_LOCK_BLOCK(larray_array, XP_Block *,
state->larray_array);
state->line_array = larray_array[0];
XP_UNLOCK_BLOCK(state->larray_array);
}
#endif /* XP_WIN16 */
XP_LOCK_BLOCK(array, LO_Element **,
state->line_array);
eptr = array[0];
XP_UNLOCK_BLOCK(state->line_array);
if (eptr == NULL)
{
return(FALSE);
}
}
position = 0;
}
else
{
if (state->line_num <= 1)
{
return(FALSE);
}
else
{
eptr = state->end_last_line;
if (eptr == NULL)
{
return(FALSE);
}
}
position = 0;
}
}
/*
* Else, if we were passed a start position, we need to know if
* that position is in a floating element in the margin, or is
* in one of the normal document lines. If we starting in the
* float list, we don't want to search it a second time.
*/
else if (lo_element_in_floating_cell(context, state, eptr))
{
search_float_list = FALSE;
}
len = XP_STRLEN(text);
cmp_text = (char*) XP_ALLOC(len + 1);
if (cmp_text == NULL)
{
return(FALSE);
}
#ifdef INTL_FIND
/* If we use INTL_FIND. Do the conversion for the cmp_text later in INTL_MatchOneChar() routine */
for (i=0; i<len; i++)
{
cmp_text[i] = text[i];
}
#else
if (use_case != FALSE)
{
for (i=0; i<len; i++)
{
cmp_text[i] = text[i];
}
}
else
{
for (i=0; i<len; i++)
{
cmp_text[i] = TOLOWER((unsigned char) text[i]);
}
}
#endif
cmp_text[len] = '\0';
if (start_at_top == FALSE)
{
lo_next_character(context, state, &eptr, &position, forward);
}
ret_val = lo_find_in_list(context, state, eptr, cmp_text, len,
position, &start_element, &start_pos,
&end_element, &end_pos, use_case, forward);
if (ret_val != FALSE)
{
*start_ele_loc = start_element;
*start_position = start_pos;
*end_ele_loc = end_element;
*end_position = end_pos;
if (cmp_text != NULL)
{
XP_FREE(cmp_text);
}
return(TRUE);
}
/*
* While we failed to find anything, we still havn't checked the
* contents of table in the margins. It will appear out of
* order, but we should check them now.
*/
if (search_float_list != FALSE)
{
eptr = state->float_list;
position = 0;
ret_val = lo_find_in_list(context, state, eptr, cmp_text, len,
position, &start_element, &start_pos,
&end_element, &end_pos, use_case, forward);
if (ret_val != FALSE)
{
*start_ele_loc = start_element;
*start_position = start_pos;
*end_ele_loc = end_element;
*end_position = end_pos;
if (cmp_text != NULL)
{
XP_FREE(cmp_text);
}
return(TRUE);
}
}
if (cmp_text != NULL)
{
XP_FREE(cmp_text);
}
return(FALSE);
}
static Bool
lo_child_search(MWContext *context, MWContext **ret_context, char *text,
LO_Element **start_ele_loc, int32 *start_position,
LO_Element **end_ele_loc, int32 *end_position,
Bool use_case, Bool forward)
{
int32 doc_id;
lo_TopState *top_state;
lo_DocState *state;
Bool ret_val;
/*
* Get the unique document ID, and retreive this
* documents layout state.
*/
doc_id = XP_DOCID(context);
top_state = lo_FetchTopState(doc_id);
if ((top_state == NULL)||(top_state->doc_state == NULL))
{
return(FALSE);
}
state = top_state->doc_state;
ret_val = FALSE;
if (top_state->is_grid == FALSE)
{
ret_val = LO_FindText(context, text,
start_ele_loc, start_position,
end_ele_loc, end_position,
use_case, forward);
if (ret_val != FALSE)
{
*ret_context = context;
}
}
else
{
lo_GridCellRec *cell_ptr;
cell_ptr = top_state->the_grid->cell_list;
while (cell_ptr != NULL)
{
if (cell_ptr->context != NULL)
{
/*
* Always start at the beginning of
* child docs.
*/
*start_ele_loc = NULL;
*end_ele_loc = NULL;
*start_position = 0;
*end_position = 0;
ret_val = lo_child_search(cell_ptr->context,
ret_context, text,
start_ele_loc, start_position,
end_ele_loc, end_position,
use_case, forward);
if (ret_val != FALSE)
{
break;
}
}
cell_ptr = cell_ptr->next;
}
}
return(ret_val);
}
static Bool
lo_sibling_search(MWContext *child, MWContext **ret_context, char *text,
LO_Element **start_ele_loc, int32 *start_position,
LO_Element **end_ele_loc, int32 *end_position,
Bool use_case, Bool forward)
{
MWContext *parent;
int32 doc_id;
lo_TopState *top_state;
Bool ret_val;
lo_GridCellRec *cell_ptr;
/*
* We must have a grid parent
*/
parent = child->grid_parent;
if (parent == NULL)
{
return(FALSE);
}
/*
* Get the unique document ID, and retreive this
* documents layout state.
*/
doc_id = XP_DOCID(parent);
top_state = lo_FetchTopState(doc_id);
if ((top_state == NULL)||(top_state->doc_state == NULL))
{
return(FALSE);
}
/*
* We must have a grid parent
*/
if (top_state->is_grid == FALSE)
{
return(FALSE);
}
ret_val = FALSE;
/*
* Find the sibling after the child
*/
cell_ptr = top_state->the_grid->cell_list;
while (cell_ptr != NULL)
{
if (cell_ptr->context == child)
{
cell_ptr = cell_ptr->next;
break;
}
cell_ptr = cell_ptr->next;
}
/*
* Search all siblings (if any).
*/
while (cell_ptr != NULL)
{
if (cell_ptr->context != NULL)
{
/*
* Always start at the beginning of sibling docs.
*/
*start_ele_loc = NULL;
*end_ele_loc = NULL;
*start_position = 0;
*end_position = 0;
ret_val = lo_child_search(cell_ptr->context,
ret_context, text,
start_ele_loc, start_position,
end_ele_loc, end_position,
use_case, forward);
if (ret_val != FALSE)
{
break;
}
}
cell_ptr = cell_ptr->next;
}
return(ret_val);
}
Bool
LO_FindGridText(MWContext *context, MWContext **ret_context, char *text,
LO_Element **start_ele_loc, int32 *start_position,
LO_Element **end_ele_loc, int32 *end_position,
Bool use_case, Bool forward)
{
int32 doc_id;
lo_TopState *top_state;
lo_DocState *state;
Bool ret_val;
LO_Element *start_ele;
LO_Element *end_ele;
int32 start_pos;
int32 end_pos;
/*
* Get the unique document ID, and retreive this
* documents layout state.
*/
doc_id = XP_DOCID(context);
top_state = lo_FetchTopState(doc_id);
if ((top_state == NULL)||(top_state->doc_state == NULL))
{
return(FALSE);
}
state = top_state->doc_state;
ret_val = FALSE;
start_ele = *start_ele_loc;
end_ele = *end_ele_loc;
start_pos = *start_position;
end_pos = *end_position;
/*
* If no starting context we start at the top level grid context.
*/
if (*ret_context == NULL)
{
MWContext *parent;
/*
* Find the top of the nested grid tree
*/
parent = context;
while ((parent->is_grid_cell != FALSE)&&
(parent->grid_parent != NULL))
{
parent = parent->grid_parent;
}
/*
* Search the tree completely.
*/
ret_val = lo_child_search(parent, ret_context, text,
start_ele_loc, start_position,
end_ele_loc, end_position,
use_case, forward);
}
else
{
MWContext *child;
/*
* Search the starting context at the starting position.
*/
child = *ret_context;
ret_val = lo_child_search(child, ret_context, text,
start_ele_loc, start_position,
end_ele_loc, end_position,
use_case, forward);
/*
* If it wasn't in the starting context, walk up the tree
* searching all siblings (after the parent sibling)
* at each level.
*/
while ((ret_val == FALSE)&&(child->is_grid_cell != FALSE)&&
(child->grid_parent != NULL))
{
/*
* Always start at the beginning of sibling docs.
*/
*start_ele_loc = NULL;
*end_ele_loc = NULL;
*start_position = 0;
*end_position = 0;
ret_val = lo_sibling_search(child, ret_context, text,
start_ele_loc, start_position,
end_ele_loc, end_position,
use_case, forward);
child = child->grid_parent;
}
}
/*
* If we didn't find it, restore starting values.
*/
if (ret_val == FALSE)
{
*start_ele_loc = start_ele;
*end_ele_loc = end_ele;
*start_position = start_pos;
*end_position = end_pos;
}
return(ret_val);
}
void
LO_SelectText(MWContext *context, LO_Element *start, int32 start_pos,
LO_Element *end, int32 end_pos, int32 *x, int32 *y)
{
int32 doc_id;
lo_TopState *top_state;
lo_DocState *state;
/*
* Get the unique document ID, and retreive this
* documents layout state.
*/
doc_id = XP_DOCID(context);
top_state = lo_FetchTopState(doc_id);
if ((top_state == NULL)||(top_state->doc_state == NULL))
{
return;
}
state = top_state->doc_state;
if ((start == NULL)||(end == NULL))
{
return;
}
LO_HighlightSelection(context, FALSE);
state->selection_start = start;
state->selection_start_pos = start_pos;
state->selection_end = end;
state->selection_end_pos = end_pos;
LO_HighlightSelection(context, TRUE);
*x = (start->lo_any.x + state->base_x);
*y = (start->lo_any.y + state->base_y);
}
#ifdef TEST_16BIT
#undef XP_WIN16
#endif /* TEST_16BIT */
#ifdef PROFILE
#pragma profile off
#endif
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