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/*
text.c
Copyright (C) 1999 Ulric Eriksson <ulric@edu.stockholm.se>
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, 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <X11/StringDefs.h>
#include <X11/Intrinsic.h>
#include <X11/Xaw/Command.h>
#include "../common/common.h"
static Widget topLevel;
static Atom plugin_protocol;
static Window ewin = None;
static int ph = 0;
/* Plugin stuff */
static void exec_cmd_file(FILE *fp)
{
char b[1000];
printf("200 \\.\n"); /* end marker same as in postgres */
while (fgets(b, sizeof b, fp)) {
chomp(b);
printf("%s\n", b);
}
printf("\\.\n");
}
static void exec_cmd(char *p)
{
FILE *fp;
if (*p == '!') { /* read from shell command */
fp = popen(p+1, "r");
if (fp == NULL) {
printf("500 Can't run %s\n", p+1);
return;
}
exec_cmd_file(fp);
pclose(fp);
} else { /* read from text file */
fp = fopen(p, "r");
if (fp == NULL) {
printf("500 Can't read %s\n", p);
return;
}
exec_cmd_file(fp);
fclose(fp);
}
}
static void ewin_cmd(char *p)
{
unsigned long w;
if (sscanf(p, "%lx", &w) != 1) {
printf("500 Where\n");
return;
}
ewin = w;
printf("250 OK\n");
}
static void ph_cmd(char *p)
{
if (sscanf(p, "%d", &ph) != 1) {
printf("500 What\n");
return;
}
printf("250 OK\n");
}
static void what_cmd(char *p)
{
printf("(llpr \"Howdy!\")\n");
}
static void win_cmd(char *p)
{
printf("250 %lx\n", (unsigned long) XtWindow(topLevel));
}
static void quit_cmd(char *p)
{
printf("221 Over and out\n");
exit(0);
}
static struct {
char *verb;
void (*cb) (char *);
} plugin_cmds[] = {
{"EXEC", exec_cmd},
{"EWIN", ewin_cmd},
{"PH", ph_cmd},
{"WHAT", what_cmd},
{"WIN", win_cmd},
{"QUIT", quit_cmd},
{ NULL, NULL }
};
static void read_plugin_cmd(XtPointer client_data, int *fid, XtInputId * id)
{
char b[1024], *p;
int i, n;
if ((n = read(*fid, b, 1020)) == -1)
return;
b[n] = '\0';
if ((p = strchr(b, '\n')) == NULL) {
printf("501 Incomplete command\n");
fflush(stdout);
return;
}
*p = '\0';
for (i = 0; plugin_cmds[i].verb; i++) {
if (!strncmp(b, plugin_cmds[i].verb,
strlen(plugin_cmds[i].verb)))
break;
}
if (plugin_cmds[i].verb) {
(*plugin_cmds[i].cb) (b+strlen(plugin_cmds[i].verb)+1);
} else {
printf("500 What are you talking about\n");
}
fflush(stdout);
}
/* ---
*/
void mainloop(void)
{
XtAppAddInput(XtWidgetToApplicationContext(topLevel),
fileno(stdin), (XtPointer) XtInputReadMask,
read_plugin_cmd, NULL);
printf("220 Text plugin\n");
fflush(stdout);
XtAppMainLoop(XtWidgetToApplicationContext(topLevel));
}
/* This will be useful in the future */
#if 0
static void plugin_callback(Widget w, XtPointer cl, XtPointer ca)
{
XEvent event;
Window target = ewin;
Display *dpy = XtDisplay(topLevel);
if (target == None) {
fprintf(stderr, "No event window set\n");
return;
}
event.xclient.type = ClientMessage;
event.xclient.display = dpy;
event.xclient.message_type = plugin_protocol;
event.xclient.format = 32;
event.xclient.window = target;
event.xclient.data.l[0] = 0; /* protocol version */
event.xclient.data.l[1] = ph; /* plugin handle */
event.xclient.data.l[2] = 0; /* ticket */
XSendEvent(dpy, target, True, NoEventMask, &event);
}
#endif
/* ---
*/
int main(int argc, char **argv)
{
XtAppContext ac;
Display *dpy;
Widget w;
topLevel = XtAppInitialize(&ac, "Text",
NULL, 0, &argc, argv, NULL, NULL, 0);
w = XtVaCreateManagedWidget("text",
labelWidgetClass, topLevel,
XtNlabel, "Text", (char *)0);
/* XtAddCallback(w, XtNcallback, plugin_callback, NULL);
*/
dpy = XtDisplay(topLevel);
plugin_protocol = XInternAtom(dpy, "_PLUGIN_PROTOCOL", False);
XtRealizeWidget(topLevel);
mainloop();
return 0;
}
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