1 /* Copyright (c) 1994-1996 David Hogan, see README for licence details */
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <X11/X.h>
5 #include <X11/Xlib.h>
6 #include <X11/Xutil.h>
7 #include <X11/Xproto.h>
8 #include "dat.h"
9 #include "fns.h"
10 
11 int 	ignore_badwindow;
12 
13 void
14 fatal(char *s)
15 {
16 	fprintf(stderr, "rio: ");
17 	perror(s);
18 	fprintf(stderr, "\n");
19 	exit(1);
20 }
21 
22 int
23 handler(Display *d, XErrorEvent *e)
24 {
25 	char msg[80], req[80], number[80];
26 
27 	if(initting && (e->request_code == X_ChangeWindowAttributes) && (e->error_code == BadAccess)){
28 		fprintf(stderr, "rio: it looks like there's already a window manager running;  rio not started\n");
29 		exit(1);
30 	}
31 
32 	if(ignore_badwindow && (e->error_code == BadWindow || e->error_code == BadColor))
33 		return 0;
34 
35 	XGetErrorText(d, e->error_code, msg, sizeof(msg));
36 	sprintf(number, "%d", e->request_code);
37 	XGetErrorDatabaseText(d, "XRequest", number, "", req, sizeof(req));
38 	if(req[0] == '\0')
39 		sprintf(req, "<request-code-%d>", (int)e->request_code);
40 
41 	fprintf(stderr, "rio: %s(0x%x): %s\n", req, (int)e->resourceid, msg);
42 
43 	if(initting){
44 		fprintf(stderr, "rio: failure during initialisation; aborting\n");
45 		exit(1);
46 	}
47 	return 0;
48 }
49 
50 void
51 graberror(char *f, int err)
52 {
53 #ifdef	DEBUG	/* sick of "bug" reports; grab errors "just happen" */
54 	char *s;
55 
56 	switch (err){
57 	case GrabNotViewable:
58 		s = "not viewable";
59 		break;
60 	case AlreadyGrabbed:
61 		s = "already grabbed";
62 		break;
63 	case GrabFrozen:
64 		s = "grab frozen";
65 		break;
66 	case GrabInvalidTime:
67 		s = "invalid time";
68 		break;
69 	case GrabSuccess:
70 		return;
71 	default:
72 		fprintf(stderr, "rio: %s: grab error: %d\n", f, err);
73 		return;
74 	}
75 	fprintf(stderr, "rio: %s: grab error: %s\n", f, s);
76 #endif
77 }
78 
79 #ifdef	DEBUG_EV
80 #include "showevent/ShowEvent.c"
81 #endif
82 
83 #ifdef	DEBUG
84 
85 void
86 dotrace(char *s, Client *c, XEvent *e)
87 {
88 	if(debug == 0)
89 		return;
90 setbuf(stdout, 0);
91 	fprintf(stderr, "rio: %s: c=%p", s, (void*)c);
92 	if(c)
93 		fprintf(stderr, " x %d y %d dx %d dy %d w 0x%x parent 0x%x", c->x, c->y, c->dx, c->dy, (int)c->window, (int)c->parent);
94 #ifdef	DEBUG_EV
95 	if(e){
96 		fprintf(stderr, "\n\t");
97 		ShowEvent(e);
98 	}
99 #endif
100 	fprintf(stderr, "\n");
101 }
102 #endif