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/* Copyright 1989 GROUPE BULL -- See license conditions in file COPYRIGHT
* Copyright 1989 Massachusetts Institute of Technology
*/
/**************************************\
* *
* BULL WINDOW MANAGER for X11 *
* *
* error handling. *
* *
\**************************************/
/* include */
#include <stdio.h>
#include <errno.h>
#include "EXTERN.h"
#include "gwm.h"
#include "wl_atom.h"
#include "yacc.h"
/* external */
extern void UserMessage();
/* global */
/* request error codes */
#define MAX_X_EVENT 64
#ifdef SECURE
char *eventtype[MAX_X_EVENT] = {
"zero",
"one",
"KeyPress",
"KeyRelease",
"ButtonPress",
"ButtonRelease",
"MotionNotify",
"EnterNotify",
"LeaveNotify",
"FocusIn",
"FocusOut",
"KeymapNotify",
"Expose",
"GraphicsExpose",
"NoExpose",
"VisibilityNotify",
"CreateNotify",
"DestroyNotify",
"UnmapNotify",
"MapNotify",
"MapRequest",
"ReparentNotify",
"ConfigureNotify",
"ConfigureRequest",
"GravityNotify",
"ResizeRequest",
"CirculateNotify",
"CirculateRequest",
"PropertyNotify",
"SelectionClear",
"SelectionRequest",
"SelectionNotify",
"ColormapNotify",
"ClientMessage",
"MappingNotify",
"LASTEvent",
"GWMUserEvent"
};
#endif /* SECURE */
#ifdef DO_BUS_ERROR
#define DoABusError() *((int *)0) = 1
#else /* DO_BUS_ERROR */
#define DoABusError()
#endif /* DO_BUS_ERROR */
/* routines */
/* purposeful silent error handler */
NoXError(display, error)
Display *display;
XErrorEvent *error;
{
ErrorStatus = error -> error_code;
}
/*
* Normal verbose error handler
*/
XError(display, error)
Display *display;
XErrorEvent *error;
{
char msg[MAX_TEMP_STRING_SIZE], buffer[MAX_TEMP_STRING_SIZE];
char number[32];
/* aborts if anything occurs while decorating */
if (GWM_window_being_decorated
&& error -> error_code == BadWindow
&& error -> resourceid == GWM_window_being_decorated -> client) {
ClientWindowClose(GWM_window_being_decorated);
GWM_window_being_decorated = 0;
/* flush errors, there are surely more coming along! */
FlushXErrors();
longjmp(wool_goes_here_on_error, 1);
} else if (wool_do_print_errors
#ifndef DEBUG
&& error -> error_code != BadWindow
&& error -> error_code != BadDrawable
#endif
) {
if (GWM_Synchronize) { /* only meaningful when sync */
if (wool_is_reading_file) {
wool_printf("\"%s\"", wool_is_reading_file);
wool_printf(": line %d, ", yylineno);
}
wool_stack_dump(0);
}
wool_puts("Gwm X error: ");
sprintf(number, "%d", error -> request_code);
XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer,
MAX_TEMP_STRING_SIZE);
sprintf(msg, "%s(0x%x): ", buffer, error -> resourceid);
wool_puts(msg);
XGetErrorText(display, error -> error_code, msg,
MAX_TEMP_STRING_SIZE);
wool_puts(msg);
if (error -> minor_code)
sprintf(msg, " (minor = %d)", error -> minor_code);
wool_newline();
yyoutflush();
}
ErrorStatus = error -> error_code;
stop_if_in_dbx();
DoABusError();
}
Error(s1, s2)
char *s1, *s2;
{
UserMessage(s1, s2);
}
void
UserMessage(s1, s2)
char *s1, *s2;
{
wool_puts(s1);
wool_puts(s2);
wool_newline();
}
/* what to do when a wool-error occurs?
*/
wool_error_handler()
{
if (GWM_ServerGrabbed)
remove_grab(0);
if (GWM_is_restarting || GWM_is_ending)
GWM_BusErrorSignalHandler(0); /* skip wool when error in ending */
if (GWM_Window_being_opened)
XMapWindow(dpy, GWM_Window_being_opened -> hook);
}
/* some silent X primitives */
int
GwmSilentXGetWindowProperty(display,w,property,long_offset,long_length,
delete,req_type,actual_type_return,
actual_format_return,nitems_return,
bytes_after_return,prop_return)
Display* display;
Window w;
Atom property;
long long_offset;
long long_length;
Bool delete;
Atom req_type;
Atom* actual_type_return;
int* actual_format_return;
unsigned long* nitems_return;
unsigned long* bytes_after_return;
unsigned char** prop_return;
{
int result;
XSetErrorHandler(NoXError);
result = XGetWindowProperty(display,w,property,long_offset,long_length,
delete,req_type,actual_type_return,
actual_format_return,nitems_return,
bytes_after_return,prop_return);
XSync(dpy, 0);
XSetErrorHandler(XError);
return result;
}
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