/* * This file is part of ixemul.library for the Amiga. * Copyright (C) 1991, 1992 Markus M. Wild * Portions Copyright (C) 1994 Rafael W. Luebbert * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * $Id: ix_sigwinch.c,v 1.2 1994/06/19 15:13:17 rluebbert Exp $ * * $Log: ix_sigwinch.c,v $ * Revision 1.2 1994/06/19 15:13:17 rluebbert * *** empty log message *** * */ #define _KERNEL #include "ixemul.h" #include "kprintf.h" #include #ifdef __pos__ #include #define gb_IntuiBase IntuitionBase /* reuse IntuitionBase for pOS */ #include #include struct pOS_Window *get_window(BPTR lock, void *fh) { struct pOS_DosIOReq IOReq; if (lock) pOS_InitDosIOReq(((struct pOS_FileLock *)lock)->fl_DosDev, &IOReq); else pOS_InitDosIOReq(((struct pOS_FileHandle *)fh)->fh_DosDev, &IOReq); IOReq.dr_Command = DOSCMD_GetWindow; IOReq.dr_U.dr_GetWindow.drgw_Lock = (void *)lock; IOReq.dr_U.dr_GetWindow.drgw_FH = fh; pOS_DoIO((struct pOS_IORequest *)&IOReq); if (IOReq.dr_Error2 == 0) return IOReq.dr_U.dr_GetWindow.drgw_ResWin; return NULL; } static struct pOS_InputEvent * sigwinch_input_handler(const struct pOS_Interrupt *intr, struct pOS_InputEvent *old_chain) { struct user *user = getuser(intr->is_UserData[0]); struct pOS_Window *w = (struct pOS_Window *)user->u_window; struct pOS_InputEvent *ie; for (ie = old_chain; ie; ie = ie->ie_NextEvent) if (ie->ie_Class == IECLASS_SIZEWINDOW) if (w == (struct pOS_Window *) ie->ie_EventAddress) _psignal((struct Task *)intr->is_UserData[0], SIGWINCH); /* always return the old chain, since we don't consume or generate events */ return old_chain; } void ix_install_sigwinch (void) { struct Window *w; struct Process *me = (struct Process *) FindTask(0); struct user *u_ptr = getuser(me); if (!pOS_IsFileInteractive(pOS_GetStdOutput())) return; w = (struct Window *)get_window(0, pOS_GetStdOutput()); if (!w) return; if (!(u.u_idev_req = (struct IOStdReq *) ix_create_extio(u.u_sync_mp, sizeof (struct pOS_IOStdReq)))); if (pOS_OpenDevice ("pinput.device", 0, (struct pOS_IORequest *) u.u_idev_req, 0, 0)) { ix_delete_extio((struct IORequest *)u.u_idev_req); u.u_idev_req = 0; return; } u.u_window = w; u.u_idev_int.is_Code = (void *) sigwinch_input_handler; u.u_idev_int.is_UserData[0] = (long)me; u.u_idev_int.is_Node.ln_Pri = 10; /* must be before console.device */ u.u_idev_int.is_Node.ln_Name = "ixemul SIGWINCH handler"; u.u_idev_req->io_Data = (APTR) &u.u_idev_int; u.u_idev_req->io_Command = INDCMD_AddHandler; pOS_DoIO ((struct pOS_IORequest *) u.u_idev_req); } void ix_remove_sigwinch (void) { usetup; if (u.u_idev_req) { u.u_idev_req->io_Data = (APTR) &u.u_idev_int; u.u_idev_req->io_Command = INDCMD_RemHandler; pOS_DoIO ((struct pOS_IORequest *) u.u_idev_req); pOS_CloseDevice ((struct pOS_IORequest *) u.u_idev_req); ix_delete_extio((struct IORequest *)u.u_idev_req); u.u_idev_req = 0; } } #else #include #include #include static struct InputEvent *sigwinch_input_handler (void) { register struct InputEvent *_old_chain asm ("a0"); register struct Task *_me asm ("a1"); register struct InputEvent *old_chain = _old_chain; register struct Task *me = _me; struct user *user = getuser(me); struct Window *w = user->u_window; struct InputEvent *ie; for (ie = old_chain; ie; ie = ie->ie_NextEvent) if (ie->ie_Class == IECLASS_SIZEWINDOW) if (w == (struct Window *) ie->ie_EventAddress) _psignal (me, SIGWINCH); /* always return the old chain, since we don't consume or generate events */ return old_chain; } void ix_install_sigwinch (void) { struct InfoData *info; struct Window *w; struct MsgPort *handler; struct Process *me = (struct Process *) FindTask(0); struct user *u_ptr = getuser(me); struct StandardPacket *sp; info = alloca (sizeof (struct InfoData) + 2); info = LONG_ALIGN (info); bzero (info, sizeof (struct InfoData)); sp = alloca (sizeof (struct StandardPacket) + 2); sp = LONG_ALIGN (sp); handler = (struct MsgPort *) me->pr_ConsoleTask; if (! handler) return; __init_std_packet (sp); sp->sp_Pkt.dp_Port = u.u_sync_mp; sp->sp_Pkt.dp_Type = ACTION_DISK_INFO; sp->sp_Pkt.dp_Arg1 = CTOBPTR (info); PutPacket (handler, sp); __wait_sync_packet (sp); if (sp->sp_Pkt.dp_Res1 != -1) return; w = (struct Window *) info->id_VolumeNode; if (! w) return; if (!(u.u_idev_req = (struct IOStdReq *) ix_create_extio(u.u_sync_mp, sizeof (struct IOStdReq)))) return; if (OpenDevice ("input.device", 0, (struct IORequest *)u.u_idev_req, 0)) { ix_delete_extio((struct IORequest *)u.u_idev_req); u.u_idev_req = 0; return; } u.u_window = w; u.u_idev_int.is_Code = (void *) sigwinch_input_handler; u.u_idev_int.is_Data = (void *) me; u.u_idev_int.is_Node.ln_Pri = 10; /* must be before console.device */ u.u_idev_int.is_Node.ln_Name = "ixemul SIGWINCH handler"; u.u_idev_req->io_Data = (APTR) &u.u_idev_int; u.u_idev_req->io_Command = IND_ADDHANDLER; DoIO ((struct IORequest *) u.u_idev_req); } void ix_remove_sigwinch (void) { usetup; if (u.u_idev_req) { u.u_idev_req->io_Data = (APTR) &u.u_idev_int; u.u_idev_req->io_Command = IND_REMHANDLER; DoIO ((struct IORequest *) u.u_idev_req); CloseDevice ((struct IORequest *) u.u_idev_req); ix_delete_extio((struct IORequest *)u.u_idev_req); u.u_idev_req = 0; } } #endif