322 lines
7.9 KiB
C
322 lines
7.9 KiB
C
/* e.c -- Eterm Enlightenment support
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* This file is original work by Michael Jennings <mej@eterm.org> and
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* Tuomo Venalainen <vendu@cc.hut.fi>. This file, and any other file
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* bearing this same message or a similar one, is distributed under
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* the GNU Public License (GPL) as outlined in the COPYING file.
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*
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* Copyright (C) 1997, Michael Jennings and Tuomo Venalainen
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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static const char cvs_ident[] = "$Id$";
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#include "config.h"
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#include "feature.h"
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <limits.h>
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#include <X11/cursorfont.h>
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#include "../libmej/debug.h"
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#include "../libmej/mem.h"
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#include "../libmej/strings.h"
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#include "debug.h"
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#include "e.h"
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#include "command.h"
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#include "main.h"
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#include "options.h"
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#include "pixmap.h"
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Window ipc_win = None;
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Atom ipc_atom = None;
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/* Returns true if running under E, false otherwise */
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unsigned char
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check_for_enlightenment(void)
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{
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static char have_e = -1;
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if (have_e == -1) {
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if (XInternAtom(Xdisplay, "ENLIGHTENMENT_COMMS", True) != None) {
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D_X11(("Enlightenment detected.\n"));
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have_e = 1;
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} else {
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D_X11(("Enlightenment not detected.\n"));
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have_e = 0;
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}
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}
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return (have_e);
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}
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Window
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enl_ipc_get_win(void)
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{
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unsigned char *str = NULL;
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Atom prop, prop2;
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unsigned long num, after;
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int format;
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Window dummy_win;
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int dummy_int;
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unsigned int dummy_uint;
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prop = XInternAtom(Xdisplay, "ENLIGHTENMENT_COMMS", True);
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if (prop == None) {
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return None;
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}
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XGetWindowProperty(Xdisplay, Xroot, prop, 0, 14, False, AnyPropertyType, &prop2, &format, &num, &after, &str);
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if (str) {
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sscanf((char *) str, "%*s %x", (unsigned int *) &ipc_win);
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XFree(str);
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}
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if (ipc_win != None) {
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if (!XGetGeometry(Xdisplay, ipc_win, &dummy_win, &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, &dummy_uint, &dummy_uint)) {
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ipc_win = None;
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}
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str = NULL;
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if (ipc_win != None) {
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XGetWindowProperty(Xdisplay, ipc_win, prop, 0, 14, False, AnyPropertyType, &prop2, &format, &num, &after, &str);
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if (str) {
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XFree(str);
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} else {
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ipc_win = None;
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}
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}
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}
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if (ipc_win != None) {
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XSelectInput(Xdisplay, ipc_win, StructureNotifyMask | SubstructureNotifyMask);
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enl_ipc_send("set clientname " APL_NAME);
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enl_ipc_send("set version " VERSION);
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enl_ipc_send("set email mej@eterm.org");
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enl_ipc_send("set web http://www.eterm.org/");
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enl_ipc_send("set info Eterm Enlightened Terminal Emulator");
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}
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return (ipc_win);
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}
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void
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enl_ipc_send(char *str)
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{
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char buff[21];
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register unsigned short i;
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register unsigned char j;
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unsigned short len;
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XEvent ev;
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ASSERT(str != NULL);
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if (ipc_win == None) {
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if ((ipc_win = enl_ipc_get_win()) == None) {
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return;
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}
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}
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len = strlen(str);
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ipc_atom = XInternAtom(Xdisplay, "ENL_MSG", True);
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if (ipc_atom == None) {
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D_ENL(("enl_ipc_send(): IPC error: ENL_MSG atom does not exist.\n"));
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return;
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}
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ev.xclient.type = ClientMessage;
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ev.xclient.serial = 0;
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ev.xclient.send_event = True;
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ev.xclient.window = ipc_win;
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ev.xclient.message_type = ipc_atom;
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ev.xclient.format = 8;
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for (i = 0; i < len + 1; i += 12) {
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sprintf(buff, "%8x", (int) TermWin.parent);
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for (j = 0; j < 12; j++) {
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buff[8 + j] = str[i + j];
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if (!str[i + j]) {
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break;
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}
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}
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buff[20] = 0;
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for (j = 0; j < 20; j++) {
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ev.xclient.data.b[j] = buff[j];
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}
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XSendEvent(Xdisplay, ipc_win, False, 0, (XEvent *) & ev);
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}
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}
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char *
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enl_wait_for_reply(void)
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{
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XEvent ev;
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static char msg_buffer[20];
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register unsigned char i;
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for (; !XCheckTypedWindowEvent(Xdisplay, TermWin.parent, ClientMessage, &ev););
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for (i = 0; i < 20; i++) {
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msg_buffer[i] = ev.xclient.data.b[i];
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}
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return (msg_buffer + 8);
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}
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char *
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enl_ipc_get(const char *msg_data)
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{
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static char *message = NULL;
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static unsigned short len = 0;
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char buff[13], *ret_msg = NULL;
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register unsigned char i;
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unsigned char blen;
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for (i = 0; i < 12; i++) {
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buff[i] = msg_data[i];
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}
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buff[12] = 0;
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blen = strlen(buff);
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if (message != NULL) {
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len += blen;
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message = (char *) REALLOC(message, len + 1);
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strcat(message, buff);
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} else {
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len = blen;
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message = (char *) MALLOC(len + 1);
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strcpy(message, buff);
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}
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if (blen < 12) {
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ret_msg = message;
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message = NULL;
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D_ENL(("enl_ipc_get(): Received complete reply: \"%s\"\n", ret_msg));
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}
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return (ret_msg);
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}
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void
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enl_query_for_image(unsigned char type)
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{
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char query[255], *filename;
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snprintf(query, sizeof(query), "insert correct IPC command here");
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enl_ipc_send("");
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for (; !(filename = enl_ipc_get(enl_wait_for_reply())););
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/* Extract filename */
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load_image(filename, type);
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}
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void
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eterm_ipc_parse(char *str)
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{
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char *params;
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ASSERT(str != NULL);
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params = strchr(str, ':');
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if (params) {
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*params++ = 0; /* Nuke the colon */
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}
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if (!strcasecmp(str, "echo") || !strcasecmp(str, "tty_write")) {
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if (params) {
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tt_write(params, strlen(params));
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} else {
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print_error("IPC Error: Invalid syntax in command \"%s\"", str);
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}
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} else if (!strcasecmp(str, "parse")) {
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if (params) {
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cmd_write(params, strlen(params));
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} else {
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print_error("IPC Error: Invalid syntax in command \"%s\"", str);
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}
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} else if (!strcasecmp(str, "enl_send")) {
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if (params) {
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enl_ipc_send(params);
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} else {
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print_error("IPC Error: Invalid syntax in command \"%s\"", str);
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}
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} else if (!strcasecmp(str, "enl_query")) {
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if (params) {
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char *reply, header[512];
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enl_ipc_send(params);
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for (; !(reply = enl_ipc_get(enl_wait_for_reply())););
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snprintf(header, sizeof(header), "Enlightenment IPC Reply to \"%s\":\n\n", params);
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tt_write(header, strlen(header));
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tt_write(reply, strlen(reply));
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tt_write("\n", 1);
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FREE(reply);
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} else {
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print_error("IPC Error: Invalid syntax in command \"%s\"", str);
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}
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} else if (!strcasecmp(str, "winop")) {
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if (params) {
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eterm_handle_winop(params);
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} else {
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print_error("IPC Error: Invalid syntax in command \"%s\"", str);
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}
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} else if (!strcasecmp(str, "exit")) {
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exit(0);
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} else {
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print_error("IPC Error: Unrecognized command \"%s\"", str);
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}
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}
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void
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eterm_ipc_send(char *str)
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{
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}
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char *
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eterm_ipc_get(void)
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{
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return (NULL);
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}
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void
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eterm_handle_winop(char *action)
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{
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char *winid;
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Window win = 0;
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ASSERT(action != NULL);
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winid = strchr(action, ' ');
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if (winid) {
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win = (Window) strtoul(winid + 1, (char **) NULL, 0);
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}
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if (win == 0) { /* If no window ID was given, or if the strtoul() call failed */
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win = TermWin.parent;
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}
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if (!BEG_STRCASECMP(action, "raise")) {
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XRaiseWindow(Xdisplay, win);
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} else if (!BEG_STRCASECMP(action, "lower")) {
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XLowerWindow(Xdisplay, win);
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} else if (!BEG_STRCASECMP(action, "map")) {
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XMapWindow(Xdisplay, win);
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} else if (!BEG_STRCASECMP(action, "unmap")) {
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XUnmapWindow(Xdisplay, win);
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} else if (!BEG_STRCASECMP(action, "kill")) {
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XKillClient(Xdisplay, win);
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} else if (!BEG_STRCASECMP(action, "iconify")) {
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XIconifyWindow(Xdisplay, win, Xscreen);
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} else {
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print_error("IPC Error: Unrecognized window operation \"%s\"", action);
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}
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}
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