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Containr.c
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Containr.c
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/* @(#)highwire/Containr.c
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <gem.h>
typedef struct s_history_priv * HISTORY;
#define HISTORY HISTORY_public
#ifdef __PUREC__
# define CONTAINR struct s_containr *
# undef HISTORY
# define HISTORY struct s_history_priv *
#endif
#include "global.h"
#include "Form.h"
#include "schedule.h"
#include "Location.h"
#ifdef __PUREC__
# undef CONTAINR
# undef HISTORY
# define HISTORY HISTORY_public
#endif
#include "Containr.h"
typedef struct {
char * Name;
WORD Size; /* width or height, depends on parent */
WORD BorderSize;
WORD BorderColor;
SCROLL_CODE Scroll;
WORD ScrollV, ScrollH;
union {
WORD ChildNum;
ENCODING Encoding;
} u;
LOCATION Location;
} HISTITEM;
struct s_hist_title {
UWORD _reffs;
char Text[1];
};
struct s_history_priv {
struct s_history Entry;
struct s_hist_title * Title;
UWORD Count;
UWORD Frames;
HISTITEM List[1];
};
#define HIST_MAX sizeof(((HISTORY)0)->Entry.Text)
#define PERCENTof(p,n) (((long)n * p + 512) /1024)
void containr_debug (CONTAINR);
/*==============================================================================
*/
CONTAINR
new_containr (CONTAINR parent)
{
CONTAINR cont = malloc (sizeof (struct s_containr));
memset (cont, 0, sizeof (struct s_containr));
if (parent == NULL) {
cont->Base = cont;
cont->ColSize = -1024;
cont->RowSize = -1024;
cont->Name = strdup ("_top");
cont->BorderSize = BORDER_SIZE;
cont->BorderColor = BORDER_COLOR;
} else {
cont->Base = parent->Base;
cont->Parent = parent;
cont->BorderSize = parent->BorderSize;
cont->BorderColor = parent->BorderColor;
cont->Handler = parent->Handler;
cont->HdlrArg = parent->HdlrArg;
}
cont->Resize = TRUE;
return cont;
}
/*============================================================================*/
void
delete_containr (CONTAINR *p_cont)
{
CONTAINR cont = *p_cont;
if (cont) {
containr_clear(cont);
if (cont->Name) {
free (cont->Name);
}
free(cont);
*p_cont = NULL;
}
}
/*==============================================================================
* create children
*/
void
containr_fillup (CONTAINR parent, const char * text, BOOL colsNrows)
{
CONTAINR * ptr = &parent->u.Child;
/* go through the text list and create children
*/
while (*text) {
short val = -10001; /* for either a '*', '1*' or an inalid value */
while (isspace(*text)) text++;
if (*text != '*') {
char * tail = "";
long tmp = strtol (text, &tail, 10);
if (tmp > 0 && tmp < 10000) {
if (*tail == '%') {
val = -tmp;
} else if (*tail == '*') {
val -= tmp -1;
} else { /* absolute value */
val = tmp + parent->BorderSize;
}
}
text = tail;
}
*ptr = new_containr (parent);
if (colsNrows) {
(*ptr)->ColSize = val;
(*ptr)->RowSize = (parent->RowSize > 0 ? parent->RowSize : -1024);
} else {
(*ptr)->ColSize = (parent->ColSize > 0 ? parent->ColSize : -1024);
(*ptr)->RowSize = val;
}
ptr = &(*ptr)->Sibling;
while (*text && *(text++) != ',');
}
if (parent->u.Child) {
parent->Mode = (colsNrows ? CNT_CLD_H : CNT_CLD_V);
}
}
/*==============================================================================
*/
CONTAINR
containr_resume (CONTAINR last)
{
CONTAINR parent = last->Parent;
CONTAINR cont;
BOOL colsNrows;
long size_sum = 0; /* num of all absolute size values */
short perc_cnt = 0; /* number of percent values */
long perc_sum = 0; /* sum of all percents */
short frac_cnt = 0; /* number of all '*','2*',.. and invalid values */
long frac_sum = 0; /* sum of fractionals */
if (!parent) {
return NULL;
} else if (last->Mode) { /* find the first empty child, if any */
while ((last = last->Sibling) != NULL && last->Mode);
} else if (last == parent->u.Child) { /* all childs are empty */
parent->Mode = CNT_EMPTY;
parent->u.Child = NULL;
}
colsNrows = (parent->Mode == CNT_CLD_H);
cont = parent->u.Child;
while (cont) {
long val = (colsNrows ? cont->ColSize : cont->RowSize);
if (val > 0) {
size_sum += val;
} else if (val <= -10000) {
frac_sum += -val - 10000;
frac_cnt++;
} else {
perc_sum += -val;
perc_cnt++;
}
if (cont->Sibling == last) {
cont->Sibling = NULL;
}
/* If all children has fixed sizes we need to perform a check if they fit
* correctly into their parents size, to avoid overlappings or empty gaps.
*/
if (!cont->Sibling && !frac_cnt && !perc_cnt) {
/* If the parent has a variable size the last children gets changed
* to be also variable.
*/
if ((val = (colsNrows ? parent->ColSize : parent->RowSize)) < 0) {
if (colsNrows) cont->ColSize = -10001;
else cont->RowSize = -10001;
frac_cnt++;
/* If the sum of all children sizes is smaller than the absolute size
* of the parent, the last children gets expanded by the difference.
*/
} else if ((val -= size_sum + parent->BorderSize) > 0) {
if (colsNrows) cont->ColSize += val;
else cont->RowSize += val;
/* If the sum of all children sizes is larger than the absolute size
* of the parent, all parents has to be expanded by the difference.
*/
} else if (val) {
CONTAINR temp = parent;
do if ((colsNrows ? parent->ColSize : parent->RowSize) > 0) {
if (colsNrows) temp->ColSize -= val;
else temp->RowSize -= val;
} while ((temp = temp->Parent) != NULL);
}
}
cont = cont->Sibling;
}
while (last) {
CONTAINR next = last->Sibling;
delete_containr (&last);
last = next;
}
/* post process the percent and fractional sizes */
if (frac_cnt) {
short frac;
if (perc_sum <= 100/*%*/) {
frac = 100 - perc_sum;
} else {
frac = (perc_sum * frac_cnt) / perc_cnt;
}
frac = (frac > frac_sum ? frac / frac_sum : 1);
perc_sum += frac_sum * frac;
perc_cnt += frac_cnt;
frac_sum = frac; /* is now multiplicator for fractionals */
}
if (perc_cnt) {
long half = (perc_sum /*-1*/) /2;
short perc = 1024;
cont = parent->u.Child;
do {
short * var = (colsNrows ? &cont->ColSize : &cont->RowSize);
short val = -*var;
if (val >= 0) {
if (!--perc_cnt) {
*var = -perc;
break;
}
if (val > 10000) {
val = (val - 10000) * frac_sum;
}
perc += *var = -(((long)val * 1024 + half) / perc_sum);
}
} while ((cont = cont->Sibling) != NULL);
}
return parent;
}
/*==============================================================================
*/
void
containr_setup (CONTAINR cont, FRAME frame, const char * anchor)
{
if (cont->Mode) {
printf ("containr_setup (%p): has mode %i!\n", cont, cont->Mode);
} else if (!frame) {
printf ("containr_setup (%p): no frame!\n", cont);
} else {
GRECT area = cont->Area;
cont->Mode = CNT_FRAME;
cont->u.Frame = frame;
frame->Container = cont;
frame->scroll = cont->Scroll;
if (cont->BorderSize && cont->Sibling) {
if (cont->Parent->Mode == CNT_CLD_H) {
area.g_w -= cont->BorderSize;
} else { /* == CNT_CLD_V */
area.g_h -= cont->BorderSize;
}
}
frame_calculate (frame, &area);
if (anchor) {
long dx, dy;
if (containr_Anchor (cont, anchor, &dx, &dy)) {
containr_shift (cont, &dx, &dy);
}
}
}
}
/*==============================================================================
*/
void
containr_clear (CONTAINR cont)
{
int depth = 0;
while (cont) {
if (cont->Mode == CNT_FRAME) {
if (cont->u.Frame) {
if (cont->Handler) {
(*cont->Handler)(HW_PageCleared, cont->HdlrArg, cont, NULL);
}
delete_frame (&cont->u.Frame);
}
} else if (cont->Mode) {
if (cont->u.Child) {
cont = cont->u.Child;
depth++;
continue;
}
}
sched_clear ((long)cont);
if (!depth) {
cont->Mode = CNT_EMPTY;
cont->BorderSize = (cont->Parent
? cont->Parent->BorderSize : BORDER_SIZE);
cont->BorderColor = (cont->Parent
? cont->Parent->BorderColor : BORDER_COLOR);
break;
} else {
CONTAINR next = cont->Sibling;
if (cont->Parent) {
cont->Parent->u.Child = next;
}
if (!next) {
next = cont->Parent;
depth--;
}
if (cont->Name) free (cont->Name);
free (cont);
cont = next;
}
}
}
/*==============================================================================
*/
void
containr_register (CONTAINR cont, CNTR_HDLR hdlr, long arg)
{
if (cont) {
cont->Handler = hdlr;
cont->HdlrArg = arg;
}
}
/*============================================================================*/
void *
containr_highlight (CONTAINR cont, void * highlight)
{
CONTAINR base = cont->Base;
void * old = base->HighLight;
base->HighLight = highlight;
return old;
}
/*============================================================================*/
ULONG
containr_escape (CONTAINR cont)
{
ULONG num = 0;
short depth = 0;
BOOL up = TRUE;
while (cont) {
if (up) {
num += sched_clear ((long)cont);
if (cont->Mode > CNT_FRAME && cont->u.Child) {
cont = cont->u.Child;
depth++;
continue;
}
}
if (!depth) {
break;
}
if (cont->Sibling) {
cont = cont->Sibling;
up = TRUE;
continue;
}
cont = cont->Parent;
up = FALSE;
depth--;
}
return num;
}
/*----------------------------------------------------------------------------*/
static HISTITEM *
create_r (CONTAINR cont, HISTITEM * item, BOOL h_N_v)
{
HISTITEM * next = item +1;
item->Size = (h_N_v ? cont->ColSize : cont->RowSize);
item->BorderSize = cont->BorderSize;
item->BorderColor = cont->BorderColor;
item->Scroll = cont->Scroll;
item->ScrollV = 0;
item->ScrollH = 0;
item->Location = NULL;
item->u.ChildNum = 0;
if (cont->Mode == CNT_FRAME) {
if (cont->u.Frame) {
item->Location = location_share (cont->u.Frame->Location);
item->u.Encoding = cont->u.Frame->Encoding;
}
} else if (cont->Mode && cont->u.Child) {
CONTAINR chld = cont->u.Child;
WORD inc;
h_N_v = (cont->Mode == CNT_CLD_H);
inc = (h_N_v ? +1 : -1);
do {
next->Name = (chld->Name ? strdup (chld->Name) : NULL);
next = create_r (chld, next, h_N_v);
item->u.ChildNum += inc;
} while ((chld = chld->Sibling) != NULL);
}
return next;
}
/*----------------------------------------------------------------------------*/
static struct s_hist_title *
hist_title (const char * text)
{
size_t size = strlen (text);
struct s_hist_title * title = malloc (sizeof (struct s_hist_title) + size);
title->_reffs = 1;
memcpy (title->Text, text, size +1);
return title;
}
/*============================================================================*/
HISTORY
history_create (CONTAINR cont, const char * name, HISTORY prev)
{
HISTORY hist;
CONTAINR base = cont->Base;
BOOL sub = (cont->Parent != NULL);
UWORD cnt_all = 0;
UWORD cnt_frm = 0;
BOOL b = TRUE;
if (!name || !*name) {
FRAME frame = containr_Frame (cont);
name = (frame ? frame->Location->FullName : NULL);
}
/* count number of containers */
cont = cont->Base;
b = TRUE;
do {
if (b) {
cnt_all++;
if (cont->Mode == CNT_FRAME) {
if (cont->u.Frame) {
cnt_frm++;
}
} else if (cont->Mode && cont->u.Child) {
cont = cont->u.Child;
continue;
}
}
if (cont->Sibling) {
cont = cont->Sibling;
b = TRUE;
continue;
}
cont = cont->Parent;
b = FALSE;
} while (cont);
hist = malloc (sizeof (struct s_history_priv) +
sizeof (HISTITEM) * (cnt_all -1));
hist->Count = cnt_all;
hist->Frames = cnt_frm;
hist->List->Name = NULL;
create_r (base, hist->List, TRUE);
if (prev && prev->Title) {
hist->Title = prev->Title;
hist->Title->_reffs++;
} else if (name) {
hist->Title = hist_title (name);
} else {
hist->Title = NULL;
}
if (!name) {
name = "???";
}
strcpy (hist->Entry.Text, " ");
hist->Entry.Length = strlen (name) +2;
if (sub) {
strcat (hist->Entry.Text, "\371 ");
hist->Entry.Length += 2;
}
if (hist->Entry.Length < HIST_MAX) {
strcat (hist->Entry.Text, name);
} else {
size_t n = strlen (hist->Entry.Text);
memcpy (hist->Entry.Text + n, name, HIST_MAX -1 - n);
hist->Entry.Text[HIST_MAX -1] = '\0';
hist->Entry.Length = HIST_MAX;
}
return hist;
}
/*============================================================================*/
void
history_update (CONTAINR cont, HISTORY hist)
{
HISTITEM * item = hist->List;
UWORD num = hist->Count;
BOOL b = TRUE;
if (!cont->Mode) {
puts ("history_update(): empty containr.");
return;
}
while (cont && num) {
if (b) {
if (cont->Mode == CNT_FRAME) {
FRAME frame = cont->u.Frame;
if (!frame) {
if (item->Location) {
printf ("history_update(): frame doesn't match '%s'"
" #%i/%i.\n", item->Location->FullName,
hist->Count - num, hist->Count);
return;
}
} else if (!item->Location) {
printf ("history_update(): frame '%s' doesn't match #%i/%i.\n",
(!frame->Location ? "*" : frame->Location->FullName),
hist->Count - num, hist->Count);
return;
} else if (frame->Location != item->Location) {
printf ("history_update(): frame '%s' doesn't match '%s' #%i/%i.\n",
frame->Location->FullName, item->Location->FullName,
hist->Count - num, hist->Count);
return;
} else {
if (frame->v_bar.on && frame->v_bar.scroll > 0) {
long height = frame->Page.Rect.H - frame->clip.g_h;
item->ScrollV = (WORD)((frame->v_bar.scroll * 1024 + height /2)
/ height);
} else {
item->ScrollV = 0;
}
if (frame->h_bar.on && frame->h_bar.scroll > 0) {
long width = frame->Page.Rect.W - frame->clip.g_w;
item->ScrollH = (WORD)((frame->h_bar.scroll * 1024 + width /2)
/ width);
} else {
item->ScrollH = 0;
}
}
item++;
num--;
} else if (cont->Mode && cont->u.Child) {
if (item->Location) {
printf ("history_update(): node doesn't match '%s' #%i/%i!\n",
item->Location->FullName, hist->Count - num, hist->Count);
return;
}
cont = cont->u.Child;
item++;
num--;
continue;
} else {
item++;
num--;
}
}
if (cont->Sibling) {
cont = cont->Sibling;
b = TRUE;
continue;
}
cont = cont->Parent;
b = FALSE;
}
if (num) {
printf ("history_update(): too few containers (%i).\n", num);
printf ("'%s'\n", (item->Location ? item->Location->FullName : "*"));
}
}
/*============================================================================*/
void
history_destroy (HISTORY * _hst)
{
HISTORY hist = *_hst;
if (hist) {
HISTITEM * item = hist->List;
UWORD count = hist->Count;
do {
if (item->Location) {
free_location (&item->Location);
}
if (item->Name) {
free (item->Name);
}
item++;
} while (--count);
if (hist->Title && !--hist->Title->_reffs) {
free (hist->Title);
}
free (hist);
*_hst = NULL;
}
}
/*----------------------------------------------------------------------------*/
static HISTITEM *
process_r (CONTAINR cont, HISTITEM * item, HISTENTR ** entr, UWORD * count)
{
HISTITEM * next = item +1;
cont->BorderSize = item->BorderSize;
cont->BorderColor = item->BorderColor;
cont->Scroll = item->Scroll;
if (item->Location) {
(*entr)->Target = cont;
(*entr)->Location = item->Location;
(*entr)->Encoding = item->u.Encoding;
(*entr)->ScrollV = item->ScrollV;
(*entr)->ScrollH = item->ScrollH;
(*entr)++;
(*count)--;
} else if (item->u.ChildNum) {
CONTAINR * ptr = &cont->u.Child;
WORD num = (item->u.ChildNum < 0 ? -item->u.ChildNum
: +item->u.ChildNum);
BOOL h_N_v = (item->u.ChildNum == num);
cont->Mode = (h_N_v ? CNT_CLD_H : CNT_CLD_V);
(*entr)->ScrollV = 0;
(*entr)->ScrollH = 0;
do {
*ptr = new_containr (cont);
if (next->Name) {
(*ptr)->Name = strdup (next->Name);
}
if (h_N_v) {
(*ptr)->ColSize = next->Size;
(*ptr)->RowSize = (cont->RowSize > 0 ? cont->RowSize : -1024);
} else {
(*ptr)->ColSize = (cont->ColSize > 0 ? cont->ColSize : -1024);
(*ptr)->RowSize = next->Size;
}
next = process_r (*ptr, next, entr, count);
ptr = &(*ptr)->Sibling;
} while (--num);
}
return next;
}
/*============================================================================*/
UWORD
containr_process (CONTAINR cont, HISTORY hist, HISTORY prev,
HISTENTR entr[], UWORD max_num)
{
UWORD count = max_num;
cont = cont->Base;
containr_clear (cont);
if (prev && prev->Title != hist->Title) {
containr_notify (cont, HW_SetTitle,
(hist->Title ? hist->Title->Text : hist->Entry.Text +2));
}
process_r (cont, hist->List, &entr, &count);
containr_calculate (cont, NULL);
containr_notify (cont, HW_PageUpdated, &cont->Area);
return (max_num - count);
}
/*============================================================================*/
CONTAINR
containr_byName (CONTAINR cont, const char * name)
{
BOOL b = TRUE;
if (!cont || !name || !*name || stricmp (name, "_self") == 0) {
return cont;
} else if (stricmp (name, "_parent") == 0) {
/*return (cont->Parent ? cont->Parent : cont);*/
/*
* '_parent' means the parent of a whole frameset and not of this
* particular one. this will fail if a frameset includes a file with
* another frameset -- but who cares...
*/
return cont->Base;
}
cont = cont->Base;
do {
if (b) {
if (cont->Name && stricmp (name, cont->Name) == 0) {
return cont;
} else if (cont->Mode > CNT_FRAME && cont->u.Child) {
cont = cont->u.Child;
continue;
}
}
if (cont->Sibling) {
cont = cont->Sibling;
b = TRUE;
continue;
}
cont = cont->Parent;
b = FALSE;
} while (cont);
return NULL;
}
/*============================================================================*/
CONTAINR
containr_byCoord (CONTAINR cont, short x, short y)
{
if (!cont) {
return NULL;
} else {
cont = cont->Base;
}
if (x < cont->Area.g_x || x >= cont->Area.g_x + cont->Area.g_w ||
y < cont->Area.g_y || y >= cont->Area.g_y + cont->Area.g_h) {
return NULL;
}
while (cont->Mode > CNT_FRAME) {
CONTAINR child = cont->u.Child;
if (cont->Mode == CNT_CLD_H) {
if (cont->BorderSize && cont->Sibling) {
short bot = cont->Area.g_y + cont->Area.g_h;
if (y < bot && y >= bot - cont->BorderSize) break;
}
while (child && x >= child->Area.g_x + child->Area.g_w) {
child = child->Sibling;
}
} else { /* == CNT_CLD_V */
if (cont->BorderSize && cont->Sibling) {
short rgt = cont->Area.g_x + cont->Area.g_w;
if (x < rgt && x >= rgt - cont->BorderSize) break;
}
while (child && y >= child->Area.g_y + child->Area.g_h) {
child = child->Sibling;
}
}
if (child) cont = child;
else break;
}
return cont;
}
/*============================================================================*/
BOOL
containr_Anchor (CONTAINR cont, const char * anchor, long * dx, long * dy)
{
FRAME frame = (cont && cont->Mode == CNT_FRAME ? cont->u.Frame : NULL);
BOOL rtn = FALSE;
if (frame) {
OFFSET * offs = frame_anchor (frame, anchor);
long x, y;
if (!offs) {
x = 0;
y = 0;
} else {
DOMBOX * box = offs->Origin;
x = offs->X;
y = offs->Y;
while (box) {
x += box->Rect.X;
y += box->Rect.Y;
box = box->Parent;
}
}
if (y && frame->Page.Margin.Top > 0) {
y -= frame->Page.Margin.Top;
}
if ((*dx = x - frame->h_bar.scroll) != 0) rtn = TRUE;
if ((*dy = y - frame->v_bar.scroll) != 0) rtn = TRUE;
} else {
*dx = 0;
*dy = 0;
}
return rtn;
}
/*============================================================================*/
#if 00
static void debug_draw (DOMBOX * box, LRECT * r)
{
static DOMBOX * _box = NULL;
static PXY p[5];
if (box == _box) {
return;
}
vsl_color (vdi_handle, G_BLACK);
vswr_mode (vdi_handle, MD_XOR);
v_hide_c (vdi_handle);
if (_box) {
v_pline (vdi_handle, 5, (short*)p);
_box = NULL;
}
if (box) {
p[1].p_x = p[2].p_x = (p[0].p_x = p[3].p_x = r->X) + r->W -1;
p[2].p_y = p[3].p_y = (p[0].p_y = p[1].p_y = r->Y) + r->H -1;
p[4] = p[0];
v_pline (vdi_handle, 5, (short*)p);
_box = box;
}
v_show_c (vdi_handle, 1);
vswr_mode (vdi_handle, MD_TRANS);
}
#else
# define debug_draw(b,r)
#endif
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
UWORD
containr_Element (CONTAINR *_cont, short x, short y,
GRECT * watch, GRECT * clip, void ** hash)
{
CONTAINR cont = containr_byCoord (*_cont, x, y);
UWORD type = PE_NONE;
FRAME frame;
short area_rgt, area_bot;
*hash = NULL;
debug_draw (NULL, NULL);
if (!cont) {
if (*_cont) {
cont = (*_cont)->Base;
*_cont = cont;
*watch = cont->Area;
} else {
watch->g_x = x;
watch->g_y = y;
watch->g_w = watch->g_h = 1;
}
return PE_NONE;
}
*_cont = cont;
area_rgt = cont->Area.g_x + cont->Area.g_w;
area_bot = cont->Area.g_y + cont->Area.g_h;
if (cont->BorderSize && cont->Sibling) {
if (cont->Parent->Mode == CNT_CLD_H) {
short rgt = area_rgt;
area_rgt -= cont->BorderSize;
if (x < rgt && x >= area_rgt) {
*watch = cont->Area;
watch->g_x = area_rgt;
watch->g_w = cont->BorderSize;
type = PE_BORDER_RT;
}
} else { /* == CNT_CLD_V */
short bot = area_bot;
area_bot -= cont->BorderSize;
if (y < bot && y >= area_bot) {
*watch = cont->Area;
watch->g_y = area_bot;
watch->g_h = cont->BorderSize;
type = PE_BORDER_DN;
}
}
if (type) return (cont->Resize ? type : PE_FRAME);
}
if ((frame = containr_Frame (cont)) == NULL) {
*watch = cont->Area;
if (cont->BorderSize && cont->Sibling) {
if (cont->Parent->Mode == CNT_CLD_H) watch->g_w -= cont->BorderSize;
else /* == CNT_CLD_V*/ watch->g_h -= cont->BorderSize;
}
return PE_EMPTY;
}
if (x >= (watch->g_x = frame->clip.g_x + frame->clip.g_w)) {
watch->g_w = area_rgt - watch->g_x;
} else {
watch->g_w = 0;
}
if (y >= (watch->g_y = frame->clip.g_y + frame->clip.g_h)) {
watch->g_h = area_bot - watch->g_y;
} else {
watch->g_h = 0;
}
if (watch->g_w && watch->g_h) {
type = PE_FRAME;
} else if (watch->g_w && !watch->g_h) {
watch->g_y = frame->clip.g_y;
watch->g_h = frame->clip.g_h;
type = PE_VBAR;
} else if (!watch->g_w && watch->g_h) {
watch->g_x = frame->clip.g_x;
watch->g_w = frame->clip.g_w;
type = PE_HBAR;
} else {
LRECT rect;
long px = (long)x - frame->clip.g_x + frame->h_bar.scroll;
long py = (long)y - frame->clip.g_y + frame->v_bar.scroll;
DOMBOX * box = dombox_byCoord (&frame->Page, &rect, &px, &py);
PARAGRPH par = dombox_Paragrph (box);
rect.X += x - frame->clip.g_x;
rect.Y += y - frame->clip.g_y;
if (!par) {
type = PE_FRAME;
} else {
WORDITEM word;
long area[4];
area[0] = px + x - frame->clip.g_x;
area[1] = py + y - frame->clip.g_y;
area[2] = rect.W;
area[3] = rect.H;
word = paragrph_word (par, -px, -py, area);
if (area[0] > rect.X) {
rect.W -= area[0] - rect.X;
rect.X = area[0];
}
if ((area[2] += area[0]) < rect.X + rect.W) {
rect.W = area[2] - rect.X;
}
if (area[1] > rect.Y) {
rect.H -= area[1] - rect.Y;
rect.Y = area[1];
}
if ((area[3] += area[1]) < rect.Y + rect.H) {
rect.H = area[3] - rect.Y;
}
if (!word) {
type = PE_PARAGRPH;
*hash = par;
} else if (word->input) {
type = (input_isEdit (word->input) ? PE_EDITABLE : PE_INPUT);
*hash = word->input;
} else if (!word->link || !word->link->isHref) {
if (word->image) {
type = PE_IMAGE;
} else {
type = PE_TEXT;
*hash = word;
}
} else if (word->image) {
type = PE_ILINK;
if (word->image->map) {
WORD mx = (WORD)(-px - word->h_offset);
WORD my = (WORD)(-py - word->line->OffsetY + word->line->Ascend);
IMAGE img = word->image;
IMAGEMAP map = word->image->map;
MAPAREA reg = map->Areas;