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/*
* HT Editor
* hthex.cc
*
* Copyright (C) 1999, 2000, 2001 Stefan Weyergraf (stefan@weyergraf.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "htapp.h"
#include "htiobox.h"
#include "hthex.h"
#include "htsearch.h"
#include "stream.h"
#include "tools.h"
#include <string.h>
ht_view *hthex_init(bounds *b, ht_streamfile *file, ht_format_group *group)
{
ht_hex_viewer *v=new ht_hex_viewer();
v->init(b, HEX_DESC, VC_EDIT | VC_GOTO | VC_SEARCH | VC_REPLACE | VC_BLOCKOP | VC_RESIZE, file, group);
v->search_caps|=SEARCHMODE_BIN | SEARCHMODE_EVALSTR | SEARCHMODE_EXPR;
/* ht_group_sub *g=new ht_group_sub();
g->init(file);
ht_hex_sub *h=new ht_hex_sub();
h->init(file, 0, 2, 0);
ht_collapsable_sub *ch=new ht_collapsable_sub();
ch->init(file, h, true, "eins", true);
ht_hex_sub *i=new ht_hex_sub();
i->init(file, 0, 2, 1);
ht_collapsable_sub *ci=new ht_collapsable_sub();
ci->init(file, i, true, "zwei", true);
g->insert(ch);
g->insert(ci);
ht_collapsable_sub *cs=new ht_collapsable_sub();
cs->init(file, g, true, "jo", true);
v->insertsub(cs);*/
ht_hex_file_sub *h=new ht_hex_file_sub();
h->init(file, 0x0, file->get_size(), 0);
v->insertsub(h);
return v;
}
format_viewer_if hthex_if = {
hthex_init,
0
};
/*
* CLASS ht_hex_viewer
*/
char *ht_hex_viewer::func(UINT i, bool execute)
{
/* switch (i) {
case 6: {
if (execute) {
FILEOFS ofs;
if (get_current_offset(&ofs)) {
byte buf[64];
if (pread(ofs, buf, 64)==64) {
int e = calc_entropy2(buf, 64);
infobox("64-byte entropy at offset %08x: %d %%", ofs, e);
}
}
}
return "entropy";
}
default:*/
return ht_uformat_viewer::func(i, execute);
/* }*/
return 0;
}
void ht_hex_viewer::get_pindicator_str(char *buf)
{
FILEOFS o;
if (get_current_offset(&o)) {
sprintf(buf, " %s %08x/%u ", edit() ? "edit" : "view", o, o);
} else {
strcpy(buf, "?");
}
}
bool ht_hex_viewer::get_hscrollbar_pos(int *pstart, int *psize)
{
int s=file->get_size();
if (s) {
int z=MIN(size.h*16, s-(int)top_id1);
return scrollbar_pos(top_id1, z, s, pstart, psize);
}
return false;
}
void ht_hex_viewer::handlemsg(htmsg *msg)
{
switch (msg->msg) {
case msg_filesize_changed:
htmsg m;
m.msg=msg_filesize_changed;
m.type=mt_broadcast;
sendsubmsg(&m);
uf_initialized=false;
complete_init();
dirtyview();
return;
case msg_get_scrollinfo:
switch (msg->data1.integer) {
case gsi_pindicator: {
get_pindicator_str((char*)msg->data2.ptr);
break;
}
case gsi_hscrollbar: {
gsi_scrollbar_t *p=(gsi_scrollbar_t*)msg->data2.ptr;
get_hscrollbar_pos(&p->pstart, &p->psize);
break;
}
case gsi_vscrollbar: {
gsi_scrollbar_t *p=(gsi_scrollbar_t*)msg->data2.ptr;
get_vscrollbar_pos(&p->pstart, &p->psize);
break;
}
}
clearmsg(msg);
dirtyview();
return;
case msg_keypressed:
switch (msg->data1.integer) {
case K_Control_T: {
FILEOFS ofs;
if (get_current_offset(&ofs)) {
byte buf[64];
if (pread(ofs, buf, 64)==64) {
int e = calc_entropy2(buf, 64);
infobox("64-byte entropy at offset %08x: %d %%", ofs, e);
}
}
}
}
}
ht_uformat_viewer::handlemsg(msg);
}
bool ht_hex_viewer::address_to_offset(fmt_vaddress addr, FILEOFS *ofs)
{
*ofs=addr;
return 1;
}
bool ht_hex_viewer::offset_to_address(FILEOFS ofs, fmt_vaddress *addr)
{
*addr=ofs;
return 1;
}
/*
* CLASS ht_hex_file_sub
*/
void ht_hex_file_sub::handlemsg(htmsg *msg)
{
if (msg->msg==msg_filesize_changed) {
UINT s=file->get_size();
fsize=s;
return;
}
ht_hex_sub::handlemsg(msg);
}
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