xwords/xwords4/palm/connsdlg.c
2003-11-16 19:23:48 +00:00

320 lines
9.9 KiB
C

/* -*-mode: C; fill-column: 77; c-basic-offset: 4; -*- */
/*
* Copyright 2003 by Eric House (fixin@peak.org). All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef BEYOND_IR
#include <NetMgr.h>
#include "callback.h"
#include "connsdlg.h"
#include "palmmain.h"
#include "palmutil.h"
#include "palmir.h"
/* When user pops up via Host gadget, we want to get the port to listen on.
* When pops up via the Guest gadget, we want to get the port and IP address
* of the host AS WELL AS the local port that we'll tell it we're listening
* on. We need local state for both, since user can switch between them and
* expect state to live as long as the parent dialog isn't exited.
*/
typedef struct ConnsDlgState {
ListPtr connTypesList;
XP_U16 serverRole;
XP_Bool isNewGame;
ConnDlgAddrs* addrState;
XP_UCHAR localIPStr[16];
} ConnsDlgState;
static void
fieldFromStr( XP_U16 id, XP_UCHAR* buf, XP_Bool editable )
{
FieldPtr field = getActiveObjectPtr( id );
UInt16 len = FldGetTextLength( field );
FldSetSelection( field, 0, len );
FldInsert( field, buf, XP_STRLEN(buf) );
setFieldEditable( field, editable );
} /* fieldFromStr */
static void
strFromField( XP_U16 id, XP_UCHAR* buf, XP_U16 max )
{
FieldPtr field = getActiveObjectPtr( id );
XP_UCHAR* str = FldGetTextPtr( field );
XP_U16 len = FldGetTextLength( field );
if ( len > max-1 ) {
len = max - 1;
}
XP_MEMCPY( buf, str, len );
buf[len] = '\0';
} /* strFromField */
#if 0
static void
stateFromGlobals( PalmAppGlobals* globals, ConnsDlgState* state )
{
comms_getAddr( globals->game.comms, &state->targetAddr,
&state->myPort );
state->isNewGame = globals->isNewGame;
} /* stateFromGlobals */
static void
globalsFromState( PalmAppGlobals* globals, ConnsDlgState* state )
{
comms_setAddr( globals->game.comms, &state->targetAddr,
state->myPort );
} /* globalsFromState */
#endif
static void
ctlsFromState( PalmAppGlobals* globals, FormPtr form, ConnsDlgState* state )
{
XP_Bool isNewGame = state->isNewGame;
XP_UCHAR buf[16];
ConnDlgAddrs* addrState = state->addrState;
NetLibAddrINToA( globals->nlStuff.netLibRef,
addrState->remoteIP, buf );
fieldFromStr( XW_CONNS_TARGET_FIELD_ID, buf, isNewGame );
StrPrintF( buf, "%d", addrState->remotePort );
fieldFromStr( XW_CONNS_TPORT_FIELD_ID, buf, isNewGame );
StrPrintF( buf, "%d", addrState->localPort );
fieldFromStr( XW_CONNS_MYPORT_FIELD_ID, buf, isNewGame );
fieldFromStr( XW_CONNS_HOSTIP_FIELD_ID, state->localIPStr, XP_FALSE );
} /* ctlsFromState */
static XP_Bool
stateFromCtls( PalmAppGlobals* globals, ConnsDlgState* state )
{
XP_Bool ok = XP_TRUE;
XP_UCHAR buf[16];
XP_U32 tmpAddr;
ConnDlgAddrs* addrState = state->addrState;
XP_Bool rejectBadIP = addrState->conType == COMMS_CONN_IP;
strFromField( XW_CONNS_TARGET_FIELD_ID, buf, sizeof(buf) );
tmpAddr = NetLibAddrAToIN( globals->nlStuff.netLibRef, buf );
if ( tmpAddr != -1L ) {
addrState->remoteIP = tmpAddr;
} else if ( rejectBadIP ) {
NetLibAddrINToA( globals->nlStuff.netLibRef, addrState->remoteIP,
buf );
fieldFromStr( XW_CONNS_TARGET_FIELD_ID, buf, state->isNewGame );
ok = XP_FALSE;
}
strFromField( XW_CONNS_TPORT_FIELD_ID, buf, sizeof(buf) );
addrState->remotePort = StrAToI( buf );
strFromField( XW_CONNS_MYPORT_FIELD_ID, buf, sizeof(buf) );
addrState->localPort = StrAToI( buf );
return ok;
} /* stateFromCtls */
/* Adjust the set of visible form controls based on state. There are two
* variables here: whether we're showing for a Host or a Guest, and whether
* the connection method is IR or IP. Currently IR means no controls needed,
* either way. IP means on set if launched from host button, another if
* launched from Guest.
*/
static void
updateFormCtls( FormPtr form, ConnsDlgState* state )
{
const XP_U16 ipCtlsBoth[] = {
XW_CONNS_MYPORT_LABEL_ID,
XW_CONNS_MYPORT_FIELD_ID,
XW_CONNS_HOSTIP_LABEL_ID,
XW_CONNS_HOSTIP_FIELD_ID,
0
};
const XP_U16 ipCtlsGuest[] = {
XW_CONNS_TARGET_LABEL_ID,
XW_CONNS_TARGET_FIELD_ID,
XW_CONNS_TPORT_LABEL_ID,
XW_CONNS_TPORT_FIELD_ID,
0
};
if ( state->addrState->conType == COMMS_CONN_IR ) {
disOrEnableSet( form, ipCtlsBoth, XP_FALSE );
disOrEnableSet( form, ipCtlsGuest, XP_FALSE );
} else {
disOrEnableSet( form, ipCtlsBoth, XP_TRUE );
disOrEnableSet( form, ipCtlsGuest,
state->serverRole == SERVER_ISCLIENT );
setFieldEditable( getActiveObjectPtr(XW_CONNS_HOSTIP_FIELD_ID),
XP_FALSE );
}
} /* updateFormCtls */
static void
cleanupExit( PalmAppGlobals* globals )
{
XP_FREE( globals->mpool, globals->connState );
globals->connState = NULL;
FrmReturnToForm( 0 );
} /* cleanupExit */
static XP_U32
figureLocalIP( PalmAppGlobals* globals, XP_UCHAR* buf )
{
Err err;
XP_U32 ipAddr = 0L;
XP_U16 netLibRef = globals->nlStuff.netLibRef;
XP_U16 index;
for ( index = 0; ; ++index ) {
UInt32 creator;
UInt16 instance;
err = NetLibIFGet( netLibRef, index,
&creator, &instance );
/* Docs say to iterate until get netErrInvalidInterface, but I'm
never getting that, getting netErrInterfaceNotFound instead */
if ( (err == netErrInvalidInterface) ||
(err == netErrInterfaceNotFound) ) {
break; /* we're done */
} else if ( err == errNone ) {
XP_U8 up;
UInt16 siz = sizeof(up);
err = NetLibIFSettingGet( netLibRef, creator, instance,
netIFSettingUp, &up, &siz );
if ( (err == errNone) && (up != 0) ) {
siz = sizeof(ipAddr);
/* use this interface?? */
err = NetLibIFSettingGet( netLibRef, creator, instance,
netIFSettingReqIPAddr,
&ipAddr, &siz );
XP_ASSERT( siz == 4 );
}
}
}
if ( !!buf ) {
NetLibAddrINToA( globals->nlStuff.netLibRef, ipAddr, buf );
XP_LOGF( "got local addr: %s", buf );
}
return ipAddr;
} /* figureLocalIP */
Boolean
ConnsFormHandleEvent( EventPtr event )
{
Boolean result;
PalmAppGlobals* globals;
ConnsDlgState* state;
FormPtr form;
XP_S16 chosen;
CALLBACK_PROLOGUE();
globals = getFormRefcon();
state = globals->connState;
if ( !state ) {
state = globals->connState = XP_MALLOC( globals->mpool,
sizeof(*state) );
XP_MEMSET( state, 0, sizeof(*state) );
}
form = FrmGetActiveForm();
switch ( event->eType ) {
case frmOpenEvent:
if ( !openNetLibIfNot( globals ) ) {
beep();
cleanupExit( globals );
result = true;
break;
}
state->serverRole =
(Connectedness)globals->dlgParams[CONNS_PARAM_ROLE_INDEX];
state->addrState =
(ConnDlgAddrs*)globals->dlgParams[CONNS_PARAM_ADDR_INDEX];
state->isNewGame = globals->isNewGame;
(void)figureLocalIP( globals, state->localIPStr );
/* setup connection popup */
state->connTypesList = getActiveObjectPtr( XW_CONNS_TYPE_LIST_ID );
XP_ASSERT( state->addrState->conType == COMMS_CONN_IR
|| state->addrState->conType == COMMS_CONN_IP );
setSelectorFromList( XW_CONNS_TYPE_TRIGGER_ID, state->connTypesList,
state->addrState->conType == COMMS_CONN_IR? 0:1 );
ctlsFromState( globals, form, state );
updateFormCtls( form, state );
case frmUpdateEvent:
FrmDrawForm( form );
result = true;
break;
case ctlSelectEvent:
result = true;
switch ( event->data.ctlSelect.controlID ) {
case XW_CONNS_TYPE_TRIGGER_ID:
if ( state->isNewGame ) {
chosen = LstPopupList( state->connTypesList );
if ( chosen >= 0 ) {
setSelectorFromList( XW_CONNS_TYPE_TRIGGER_ID,
state->connTypesList, chosen );
state->addrState->conType =
chosen == 0? COMMS_CONN_IR : COMMS_CONN_IP;
updateFormCtls( form, state );
}
}
break;
case XW_CONNS_OK_BUTTON_ID:
if ( !state->isNewGame ) {
/* do nothing; same as cancel */
} else if ( !stateFromCtls( globals, state ) ) {
beep();
break;
} else {
EventType eventToPost;
eventToPost.eType = connsSettingChgEvent;
EvtAddEventToQueue( &eventToPost );
}
case XW_CONNS_CANCEL_BUTTON_ID:
cleanupExit( globals );
break;
}
break;
default:
result = false;
}
CALLBACK_EPILOGUE();
return result;
} /* ConnsFormHandleEvent */
#endif /* BEYOND_IR */