gecko-dev/lib/layout/laymocha.c
1998-10-19 20:45:03 +00:00

898 lines
25 KiB
C

/* -*- 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"
/*
* Mocha layout interface.
*/
#include "lo_ele.h"
#include "layout.h"
#include "laylayer.h"
#include "pa_parse.h"
#include "libevent.h"
#if defined (JAVA)
#include "jsjava.h"
#elif defined (OJI)
#include "jsjava.h"
#include "jvmmgr.h"
#endif
#include "layers.h"
PRIVATE
lo_TopState *
lo_GetTopState(MWContext *context)
{
int32 doc_id;
lo_TopState *top_state;
if (!context)
return NULL ;
doc_id = XP_DOCID(context);
top_state = lo_FetchTopState(doc_id);
if (top_state != NULL && top_state->doc_state == NULL)
return NULL;
return top_state;
}
lo_TopState *
lo_GetMochaTopState(MWContext *context)
{
lo_TopState *top_state;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return NULL;
return top_state;
}
lo_FormData *
LO_GetFormDataByID(MWContext *context, int32 layer_id, intn form_id)
{
lo_TopState *top_state;
lo_FormData *form;
lo_DocLists *doc_lists;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return NULL;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return NULL;
for (form = doc_lists->form_list; form != NULL; form = form->next) {
if (form->id == form_id)
return form;
}
return NULL;
}
/*
* This can only safely be called while holding the JS_Lock
*/
uint
LO_EnumerateForms(MWContext *context, int32 layer_id)
{
lo_TopState *top_state;
lo_FormData *form;
lo_DocLists *doc_lists;
top_state = lo_GetMochaTopState(context);
if (top_state == NULL)
return 0;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return 0;
/* Try to reflect all forms in case someone is enumerating. */
for (form = doc_lists->form_list; form != NULL; form = form->next) {
if (form->mocha_object == NULL)
LM_ReflectForm(context, form, NULL, layer_id, 0);
}
return doc_lists->current_form_num;
}
/*
* Note that index is zero-based from the first form, and if in the second
* form, is one more than the index of the last element in the first form.
* So we subtract form's first element index before subscripting.
*/
LO_FormElementStruct *
LO_GetFormElementByIndex(lo_FormData *form, int32 index)
{
LO_Element **ele_list;
LO_FormElementStruct *form_element;
if (form->form_elements == NULL)
return NULL;
PA_LOCK(ele_list, LO_Element **, form->form_elements);
form_element = (LO_FormElementStruct *)ele_list[0];
index -= form_element->element_index;
if ((uint32)index < (uint32)form->form_ele_cnt)
form_element = (LO_FormElementStruct *)ele_list[index];
else
form_element = NULL;
PA_UNLOCK(form->form_elements);
if (form_element == NULL || form_element->element_data == NULL)
return NULL;
return form_element;
}
/*
* This can only safely be called while holding the JS_Lock
*/
uint
LO_EnumerateFormElements(MWContext *context, lo_FormData *form)
{
LO_Element **ele_list;
LO_FormElementStruct *form_element;
uint i;
/* Try to reflect all elements in case someone is enumerating. */
PA_LOCK(ele_list, LO_Element **, form->form_elements);
for (i = 0; i < (uint)form->form_ele_cnt; i++) {
form_element = (LO_FormElementStruct *)ele_list[i];
if (form_element->mocha_object == NULL)
LM_ReflectFormElement(context, form_element->layer_id,
form->id, form_element->element_index, NULL);
}
PA_UNLOCK(form->form_elements);
return form->form_ele_cnt;
}
void
lo_BeginReflectForm(MWContext *context, lo_DocState *doc_state, PA_Tag *tag,
lo_FormData *form)
{
int32 layer_id;
if(!PA_HasMocha(tag))
return;
layer_id = lo_CurrentLayerId(doc_state);
ET_ReflectObject(context, (void *) form, tag, layer_id,
form->id, LM_FORMS);
ET_SetActiveForm(context, form);
}
LO_ImageStruct *
LO_GetImageByIndex(MWContext *context, int32 layer_id, intn index)
{
lo_TopState *top_state;
LO_ImageStruct *image;
lo_DocLists *doc_lists;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return NULL;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return NULL;
for (image = doc_lists->image_list; image != NULL;
image = image->next_image) {
if (image && image->seq_num == index)
return image;
}
return NULL;
}
uint
LO_EnumerateImages(MWContext *context, int32 layer_id)
{
lo_TopState *top_state;
uint image_num;
LO_ImageStruct *img;
lo_DocLists *doc_lists;
top_state = lo_GetMochaTopState(context);
if (top_state == NULL)
return 0;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return 0;
/*
* Try to reflect all images in case someone is enumerating.
* If its already on the image_list then it already has a valid
* seq_num
*/
image_num = 0;
for (img = doc_lists->image_list; img; img = img->next_image) {
if (img->mocha_object == NULL)
LM_ReflectImage(context, img, NULL, layer_id, img->seq_num);
image_num++;
}
return image_num;
}
void
lo_EndReflectForm(MWContext *context, lo_FormData *form_data)
{
ET_SetActiveForm(context, NULL);
}
void
lo_ReflectImage(MWContext *context, lo_DocState *doc_state, PA_Tag *tag,
LO_ImageStruct *image, Bool blocked, int32 layer_id)
{
lo_DocLists *doc_lists;
/* Reflect only IMG tags, not form INPUT tags of TYPE=IMAGE */
if (tag->type != P_IMAGE && tag->type != P_NEW_IMAGE)
return;
/* Has this image already been reflected ? */
if ((image->image_attr->attrmask & LO_ATTR_ON_IMAGE_LIST)) {
if (! blocked) {
/* Flush any image events that were sent when the image
was blocked */
ET_SendImageEvent(context, image, LM_IMGUNBLOCK);
}
return;
} else {
/* Add image to global list of images for this document. */
doc_lists = lo_GetDocListsById(doc_state, layer_id);
if (!doc_lists)
return;
image->image_attr->attrmask |= LO_ATTR_ON_IMAGE_LIST;
image->seq_num = doc_lists->image_list_count++;
/*
* If we're in table relayout, we replace the old image
* in the image list. Note that we also look to see if
* the corresponding mocha object has already been allocated.
* If so, we copy it. If not, it will be set when the
* the JS thread gets around to it (the mocha reflection
* code gets the image by index, so it will get the right
* one.
*/
if (doc_state->in_relayout) {
LO_ImageStruct *cur_image, *prev_image;
prev_image = NULL;
for (cur_image = doc_lists->image_list; cur_image != NULL;
prev_image=cur_image, cur_image=cur_image->next_image) {
if (cur_image->seq_num == image->seq_num) {
/* Copy over the mocha object (it might not exist) */
image->mocha_object = cur_image->mocha_object;
/* Replace the old image with the new one */
image->next_image = cur_image->next_image;
if (prev_image == NULL)
doc_lists->image_list = image;
else
prev_image->next_image = image;
if (doc_lists->last_image == cur_image)
doc_lists->last_image = image;
/* Note that the old image is recycled by the table code */
break;
}
}
return;
}
/* Add it to the end of the list */
else {
if (doc_lists->last_image)
doc_lists->last_image->next_image = image;
else
doc_lists->image_list = image;
doc_lists->last_image = image;
}
}
/* The image is reflected into a Javascript object lazily:
Immediate reflection only occurs if there are Javascript-only
attributes in the IMG tag */
if(!PA_HasMocha(tag))
return;
ET_ReflectObject(context, (LO_Element *) image, tag, layer_id,
image->seq_num, LM_IMAGES);
/* Since the image is unblocked, there is no need to buffer
any JavaScript image events. Deliver them as they're generated. */
if (! blocked)
ET_SendImageEvent(context, image, LM_IMGUNBLOCK);
}
void
lo_ReflectFormElement(MWContext *context, lo_DocState *doc_state, PA_Tag *tag,
LO_FormElementStruct *form_element)
{
lo_DocLists *doc_lists;
/* Don't reflect form elements twice, it makes arrays out of them! */
if (doc_state->in_relayout)
return;
/* don't do squat if we don't have any mocha */
if (!PA_HasMocha(tag))
return;
doc_lists = lo_GetDocListsById(doc_state, form_element->layer_id);
if (!doc_lists)
return;
/* reflect the form element */
ET_ReflectFormElement(context, doc_lists->form_list, form_element, tag);
}
void
lo_ReflectNamedAnchor(MWContext *context, lo_DocState *doc_state, PA_Tag *tag,
lo_NameList *name_rec, int32 layer_id)
{
lo_DocLists *doc_lists;
if (!doc_state->in_relayout) {
doc_lists = lo_GetDocListsById(doc_state, layer_id);
if (!doc_lists)
return;
name_rec->index = doc_lists->anchor_count++;
if(!PA_HasMocha(tag))
return;
ET_ReflectObject(context, (void *) name_rec, tag,
layer_id, name_rec->index, LM_NAMEDANCHORS);
}
}
lo_NameList *
LO_GetNamedAnchorByIndex(MWContext *context, int32 layer_id, uint index)
{
lo_TopState *top_state;
lo_NameList *name_rec, *nptr;
lo_DocLists *doc_lists;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return NULL;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return NULL;
/* The list is not guaranteed to be in reverse-source order when nested
tables are involved, so search for matching index instead. */
name_rec = NULL;
for (nptr = doc_lists->name_list; nptr != NULL; nptr = nptr->next) {
if (nptr->index == index) {
name_rec = nptr;
break;
}
}
return name_rec;
}
uint
LO_EnumerateNamedAnchors(MWContext *context, int32 layer_id)
{
lo_TopState *top_state;
lo_NameList *name_rec;
uint count;
lo_DocLists *doc_lists;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return 0;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return 0;
count = 0;
for (name_rec = doc_lists->name_list; name_rec != NULL;
name_rec = name_rec->next) {
if (name_rec->mocha_object == NULL)
LM_ReflectNamedAnchor(context, (void *) name_rec, NULL,
layer_id, name_rec->index);
count++;
}
return count;
}
void
lo_ReflectLink(MWContext *context, lo_DocState *doc_state, PA_Tag *tag,
LO_AnchorData *anchor_data, int32 layer_id, uint index)
{
/* if this tag has any mocha, reflect it now */
if(!PA_HasMocha(tag))
return;
ET_ReflectObject(context, anchor_data, tag, layer_id, index, LM_LINKS);
}
LO_AnchorData *
LO_GetLinkByIndex(MWContext *context, int32 layer_id, uint index)
{
lo_TopState *top_state;
LO_AnchorData **anchor_array;
LO_AnchorData *anchor_data;
lo_DocLists *doc_lists;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return NULL;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return NULL;
if (index >= (uint)doc_lists->url_list_len)
return NULL;
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **, doc_lists->url_list);
anchor_data = anchor_array[index];
XP_UNLOCK_BLOCK(doc_lists->url_list);
return anchor_data;
}
uint
LO_EnumerateLinks(MWContext *context, int32 layer_id)
{
lo_TopState *top_state;
uint count, index;
LO_AnchorData **anchor_array;
LO_AnchorData *anchor_data;
lo_DocLists *doc_lists;
top_state = lo_GetMochaTopState(context);
if (top_state == NULL)
return 0;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return 0;
/* Try to reflect all links in case someone is enumerating. */
count = (uint)doc_lists->url_list_len;
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **, doc_lists->url_list);
for (index = 0; index < count; index++) {
anchor_data = anchor_array[index];
if (anchor_data->mocha_object == NULL)
LM_ReflectLink(context, anchor_data, NULL, layer_id, index);
}
XP_UNLOCK_BLOCK(doc_lists->url_list);
return count;
}
#if defined(JAVA) || defined (OJI)
LO_JavaAppStruct *
LO_GetAppletByIndex(MWContext *context, int32 layer_id, uint index)
{
lo_TopState *top_state;
LO_JavaAppStruct *applet;
int i, count;
lo_DocLists *doc_lists;
#ifdef OJI
if (!JVM_IsLiveConnectEnabled())
return NULL;
#else
/* XXX */
if (!JSJ_IsEnabled())
return NULL;
#endif
top_state = lo_GetTopState(context);
if (top_state == NULL)
return NULL;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return NULL;
/* count 'em */
count = 0;
applet = doc_lists->applet_list;
while (applet) {
applet = applet->nextApplet;
count++;
}
/* reverse order... */
applet = doc_lists->applet_list;
for (i = count-1; i >= 0; i--) {
if ((uint)i == index)
return applet;
applet = applet->nextApplet;
}
return NULL;
}
uint
LO_EnumerateApplets(MWContext *context, int32 layer_id)
{
lo_TopState *top_state;
int count, index;
LO_JavaAppStruct *applet;
lo_DocLists *doc_lists;
#ifdef OJI
if (!JVM_IsLiveConnectEnabled())
return 0;
#else
/* XXX */
if (!JSJ_IsEnabled())
return 0;
#endif
top_state = lo_GetMochaTopState(context);
if (top_state == NULL)
return 0;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return 0;
/* count 'em */
count = 0;
applet = doc_lists->applet_list;
while (applet) {
applet = applet->nextApplet;
count++;
}
/* reflect all applets in reverse order */
applet = doc_lists->applet_list;
for (index = count-1; index >= 0; index--) {
if (applet->objTag.mocha_object == NULL)
LM_ReflectApplet(context, (void *) applet, NULL, layer_id, index);
applet = applet->nextApplet;
}
return count;
}
LO_EmbedStruct *
LO_GetEmbedByIndex(MWContext *context, int32 layer_id, uint index)
{
lo_TopState *top_state;
LO_EmbedStruct *embed;
int i, count;
lo_DocLists *doc_lists;
#ifdef OJI
if (!JVM_IsLiveConnectEnabled())
return NULL;
#else
/* XXX */
if (!JSJ_IsEnabled())
return NULL;
#endif
top_state = lo_GetTopState(context);
if (top_state == NULL)
return NULL;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return NULL;
/* count 'em */
count = 0;
embed = doc_lists->embed_list;
while (embed) {
embed = embed->nextEmbed;
count++;
}
/* reverse order... */
embed = doc_lists->embed_list;
for (i = count-1; i >= 0; i--) {
if ((uint)i == index)
return embed;
embed = embed->nextEmbed;
}
return NULL;
}
uint
LO_EnumerateEmbeds(MWContext *context, int32 layer_id)
{
lo_TopState *top_state;
int count, index;
LO_EmbedStruct *embed;
lo_DocLists *doc_lists;
#ifdef OJI
if (!JVM_IsLiveConnectEnabled())
return 0;
#else
/* XXX */
if (!JSJ_IsEnabled())
return 0;
#endif
top_state = lo_GetMochaTopState(context);
if (top_state == NULL)
return 0;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return 0;
/* count 'em */
count = 0;
embed = doc_lists->embed_list;
while (embed) {
embed = embed->nextEmbed;
count++;
}
/* reflect all embeds in reverse order */
embed = doc_lists->embed_list;
for (index = count-1; index >= 0; index--) {
if (embed->objTag.mocha_object == NULL)
LM_ReflectEmbed(context, (void *) embed, NULL, layer_id, index);
embed = embed->nextEmbed;
}
return count;
}
#endif /* JAVA || OJI */
LO_BuiltinStruct *
LO_GetBuiltinByIndex(MWContext *context, int32 layer_id, uint index)
{
lo_TopState *top_state;
LO_BuiltinStruct *builtin;
int i, count;
lo_DocLists *doc_lists;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return NULL;
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
if (!doc_lists)
return NULL;
/* count 'em */
count = 0;
builtin = doc_lists->builtin_list;
while (builtin) {
builtin = builtin->nextBuiltin;
count++;
}
/* reverse order... */
builtin = doc_lists->builtin_list;
for (i = count-1; i >= 0; i--) {
if ((uint)i == index)
return builtin;
builtin = builtin->nextBuiltin;
}
return NULL;
}
/* XXX lo_DocState should use a colors[LO_NCOLORS] array to shrink code here
and in layout.c.
*/
void
LO_GetDocumentColor(MWContext *context, int type, LO_Color *color)
{
lo_TopState *top_state;
lo_DocState *doc_state;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return;
doc_state = top_state->doc_state;
switch (type) {
case LO_COLOR_BG:
*color = doc_state->text_bg;
break;
case LO_COLOR_FG:
*color = doc_state->text_fg;
break;
case LO_COLOR_LINK:
*color = doc_state->anchor_color;
break;
case LO_COLOR_VLINK:
*color = doc_state->visited_anchor_color;
break;
case LO_COLOR_ALINK:
*color = doc_state->active_anchor_color;
break;
default:
break;
}
}
void
LO_SetDocumentColor(MWContext *context, int type, LO_Color *color)
{
lo_TopState *top_state;
lo_DocState *doc_state;
top_state = lo_GetTopState(context);
if (top_state == NULL)
return;
doc_state = top_state->doc_state;
if (color == NULL)
color = &lo_master_colors[type];
switch (type) {
case LO_COLOR_BG:
doc_state->text_bg = *color;
top_state->doc_specified_bg = TRUE;
LO_SetDocBgColor(context, color);
break;
case LO_COLOR_FG:
/* Note: The color will be changed only if no one else
has called this function before */
lo_ChangeBodyTextFGColor(context, doc_state, color);
break;
case LO_COLOR_LINK:
doc_state->anchor_color = *color;
break;
case LO_COLOR_VLINK:
doc_state->visited_anchor_color = *color;
break;
case LO_COLOR_ALINK:
doc_state->active_anchor_color = *color;
break;
default:;
}
}
XP_Bool
lo_ProcessContextEventHandlers(MWContext *context, lo_DocState *doc_state,
PA_Tag *tag)
{
PA_Block onload, onunload, onfocus, onblur, onhelp, onmouseover, onmouseout,
ondragdrop, onmove, onresize, id;
lo_TopState *top_state;
char *all = 0;
XP_Bool ret;
ret = FALSE;
onload = lo_FetchParamValue(context, tag, PARAM_ONLOAD);
onunload = lo_FetchParamValue(context, tag, PARAM_ONUNLOAD);
onfocus = lo_FetchParamValue(context, tag, PARAM_ONFOCUS);
onblur = lo_FetchParamValue(context, tag, PARAM_ONBLUR);
onhelp = lo_FetchParamValue(context, tag, PARAM_ONHELP);
onmouseover = lo_FetchParamValue(context, tag, PARAM_ONMOUSEOVER);
onmouseout = lo_FetchParamValue(context, tag, PARAM_ONMOUSEOUT);
ondragdrop = lo_FetchParamValue(context, tag, PARAM_ONDRAGDROP);
onmove = lo_FetchParamValue(context, tag, PARAM_ONMOVE);
onresize = lo_FetchParamValue(context, tag, PARAM_ONRESIZE);
if (onload == NULL && onunload == NULL && onfocus == NULL && onblur == NULL
&& onhelp == NULL && onmouseover == NULL && onmouseout == NULL && ondragdrop == NULL
&& onmove == NULL && onresize == NULL)
{
return ret;
}
ret = TRUE;
id = lo_FetchParamValue(context, tag, PARAM_ID);
all = NULL;
StrAllocCopy(all, (char *) tag->data);
top_state = doc_state->top_state;
/*
* If we're in a layer, pass along the tag to the layer reflection
* function so that the event handlers get attached to the layer.
*/
if (lo_InsideLayer(doc_state)) {
int32 cur_layer_id = lo_CurrentLayerId(doc_state);
CL_Layer *layer = LO_GetLayerFromId(context, cur_layer_id);
CL_Layer *parent = CL_GetLayerParent(layer);
int32 parent_layer_id = LO_GetIdFromLayer(context, parent);
ET_ReflectObject(context, NULL, tag, parent_layer_id, cur_layer_id,
LM_LAYERS);
}
else {
ET_ReflectWindow(context, onload, onunload, onfocus, onblur, onhelp, onmouseover,
onmouseout, ondragdrop, onmove, onresize,
id, all, tag->type != P_GRID, tag->newline_count);
if (onload != NULL && tag->type == P_BODY)
top_state->mocha_has_onload = TRUE;
if (onunload != NULL && tag->type == P_BODY)
top_state->mocha_has_onunload = TRUE;
if (tag->type == P_GRID) {
top_state->savedData.OnUnload = onunload;
top_state->savedData.OnFocus = onfocus;
top_state->savedData.OnBlur = onblur;
top_state->savedData.OnLoad = onload;
top_state->savedData.OnHelp = onhelp;
top_state->savedData.OnMouseOver = onmouseover;
top_state->savedData.OnMouseOut = onmouseout;
top_state->savedData.OnDragDrop = ondragdrop;
top_state->savedData.OnMove = onmove;
top_state->savedData.OnResize = onresize;
}
}
return ret;
}
void
lo_RestoreContextEventHandlers(MWContext *context, lo_DocState *doc_state,
PA_Tag *tag, SHIST_SavedData *saved_data)
{
PA_Block onload, onunload, onfocus, onblur, onhelp, onmouseover, onmouseout, ondragdrop,
onmove, onresize;
lo_TopState *top_state;
onload = saved_data->OnLoad;
onunload = saved_data->OnUnload;
onfocus = saved_data->OnFocus;
onblur = saved_data->OnBlur;
onhelp = saved_data->OnHelp;
onmouseover = saved_data->OnMouseOver;
onmouseout = saved_data->OnMouseOut;
ondragdrop = saved_data->OnDragDrop;
onmove = saved_data->OnMove;
onresize = saved_data->OnResize;
if (onload == NULL && onunload == NULL && onfocus == NULL && onblur == NULL
&& onhelp == NULL && onmouseover == NULL && onmouseout == NULL && ondragdrop == NULL
&& onmove == NULL && onresize == NULL)
return;
top_state = doc_state->top_state;
/* XXX - could these be signed? */
ET_ReflectWindow(context, onload, onunload, onfocus, onblur, onhelp, onmouseover,
onmouseout, ondragdrop, onmove, onresize,
NULL, NULL, FALSE, tag->newline_count);
if (onload != NULL && tag->type == P_BODY)
top_state->mocha_has_onload = TRUE;
if (onunload != NULL && tag->type == P_BODY)
top_state->mocha_has_onunload = TRUE;
top_state->savedData.OnUnload = onunload;
top_state->savedData.OnFocus = onfocus;
top_state->savedData.OnBlur = onblur;
top_state->savedData.OnLoad = onload;
top_state->savedData.OnHelp = onhelp;
top_state->savedData.OnMouseOver = onmouseover;
top_state->savedData.OnMouseOut = onmouseout;
top_state->savedData.OnDragDrop = ondragdrop;
top_state->savedData.OnMove = onmove;
top_state->savedData.OnResize = onresize;
}