/* Synched up with: Not in FSF. */
+/* 7-8-00 !!#### This file needs definite Mule review. */
+
/* Original authors: Jamie Zawinski and the FSF */
/* Rewritten by Ben Wing and Chuck Thompson. */
#include "sysfile.h"
#include "systime.h"
+#if defined(HAVE_SHLIB) && defined(LWLIB_USES_ATHENA) && !defined(HAVE_ATHENA_3D)
+#include "sysdll.h"
+#endif /* HAVE_SHLIB and LWLIB_USES_ATHENA and not HAVE_ATHENA_3D */
+
#ifdef HAVE_OFFIX_DND
#include "offix.h"
#endif
(STRINGP (Vinvocation_name) ?
(char *) XSTRING_DATA (Vinvocation_name) : FALLBACK_RESOURCE_NAME),
DisplayString (dpy) ? DisplayString (dpy) : "???");
- abort();
+ ABORT();
}
#undef FALLBACK_RESOURCE_NAME
/* initializing an X connection */
/************************************************************************/
+static struct device *device_being_initialized = NULL;
+
static void
allocate_x_device_struct (struct device *d)
{
* Finally, if all else fails, return `xemacs', as it is more
* appropriate (X11R5 returns `main').
*/
-static char *
-compute_x_app_name (int argc, char **argv)
+static Extbyte *
+compute_x_app_name (int argc, Extbyte **argv)
{
int i;
- char *ptr;
+ Extbyte *ptr;
for (i = 1; i < argc - 1; i++)
if (!strncmp(argv[i], "-name", max (2, strlen (argv[1]))))
vi_in.visualid = XVisualIDFromVisual (visual);
vi_out = XGetVisualInfo (dpy, /*VisualScreenMask|*/VisualIDMask,
&vi_in, &out_count);
- if (! vi_out) abort ();
+ if (! vi_out) ABORT ();
d = vi_out [0].depth;
XFree ((char *) vi_out);
return d;
Display *dpy;
Widget app_shell;
int argc;
- char **argv;
- CONST char *app_class;
- CONST char *app_name;
- CONST char *disp_name;
+ Extbyte **argv;
+ const char *app_class;
+ const char *app_name;
+ const char *disp_name;
Visual *visual = NULL;
int depth = 8; /* shut up the compiler */
Colormap cmap;
/* */
int best_visual_found = 0;
+#if defined(HAVE_SHLIB) && defined(LWLIB_USES_ATHENA) && !defined(HAVE_ATHENA_3D)
+ /*
+ * In order to avoid the lossage with flat Athena widgets dynamically
+ * linking to one of the ThreeD variants, using the dynamic symbol helpers
+ * to look for symbols that shouldn't be there and refusing to run if they
+ * are seems a less toxic idea than having XEmacs crash when we try and
+ * use a subclass of a widget that has changed size.
+ *
+ * It's ugly, I know, and not going to work everywhere. It seems better to
+ * do our damnedest to try and tell the user what to expect rather than
+ * simply blow up though.
+ *
+ * All the ThreeD variants I have access to define the following function
+ * symbols in the shared library. The flat Xaw library does not define them:
+ *
+ * Xaw3dComputeBottomShadowRGB
+ * Xaw3dComputeTopShadowRGB
+ *
+ * So far only Linux has shown this problem. This seems to be portable to
+ * all the distributions (certainly all the ones I checked - Debian and
+ * Redhat)
+ *
+ * This will only work, sadly, with dlopen() -- the other dynamic linkers
+ * are simply not capable of doing what is needed. :/
+ */
+
+ {
+ /* Get a dll handle to the main process. */
+ dll_handle xaw_dll_handle = dll_open (NULL);
+
+ /* Did that fail? If so, continue without error.
+ * We could die here but, well, that's unfriendly and all -- plus I feel
+ * better about some crashing somewhere rather than preventing a perfectly
+ * good configuration working just because dll_open failed.
+ */
+ if (xaw_dll_handle != NULL)
+ {
+ /* Look for the Xaw3d function */
+ dll_func xaw_function_handle =
+ dll_function (xaw_dll_handle, "Xaw3dComputeTopShadowRGB");
+
+ /* If we found it, warn the user in big, nasty, unfriendly letters */
+ if (xaw_function_handle != NULL)
+ {
+ warn_when_safe (Qdevice, Qerror, "\n"
+"It seems that XEmacs is built dynamically linked to the flat Athena widget\n"
+"library but it finds a 3D Athena variant with the same name at runtime.\n"
+"\n"
+"This WILL cause your XEmacs process to dump core at some point.\n"
+"You should not continue to use this binary without resolving this issue.\n"
+"\n"
+"This can be solved with the xaw-wrappers package under Debian\n"
+"(register XEmacs as incompatible with all 3d widget sets, see\n"
+"update-xaw-wrappers(8) and .../doc/xaw-wrappers/README.packagers). It\n"
+"can be verified by checking the runtime path in /etc/ld.so.conf and by\n"
+"using `ldd /path/to/xemacs' under other Linux distributions. One\n"
+"solution is to use LD_PRELOAD or LD_LIBRARY_PATH to force ld.so to\n"
+"load the flat Athena widget library instead of the aliased 3D widget\n"
+"library (see ld.so(8) for use of these environment variables).\n\n"
+ );
+
+ }
+
+ /* Otherwise release the handle to the library
+ * No error catch here; I can't think of a way to recover anyhow.
+ */
+ dll_close (xaw_dll_handle);
+ }
+ }
+#endif /* HAVE_SHLIB and LWLIB_USES_ATHENA and not HAVE_ATHENA_3D */
+
+
XSETDEVICE (device, d);
display = DEVICE_CONNECTION (d);
make_argc_argv (Vx_initial_argv_list, &argc, &argv);
- GET_C_STRING_CTEXT_DATA_ALLOCA (display, disp_name);
+ LISP_STRING_TO_EXTERNAL (display, disp_name, Qctext);
/*
* Break apart the old XtOpenDisplay call into XOpenDisplay and
*/
slow_down_interrupts ();
/* May not be needed but XtOpenDisplay could not deal with signals here. */
+ device_being_initialized = d;
dpy = DEVICE_X_DISPLAY (d) = XOpenDisplay (disp_name);
+ device_being_initialized = NULL;
speed_up_interrupts ();
if (dpy == 0)
if (STRINGP (Vx_emacs_application_class) &&
XSTRING_LENGTH (Vx_emacs_application_class) > 0)
- GET_C_STRING_CTEXT_DATA_ALLOCA (Vx_emacs_application_class, app_class);
+ LISP_STRING_TO_EXTERNAL (Vx_emacs_application_class, app_class, Qctext);
else
{
app_class = (NILP (Vx_emacs_application_class) &&
Yuck. */
XtDisplayInitialize (Xt_app_con, dpy, compute_x_app_name (argc, argv),
app_class, emacs_options,
- XtNumber (emacs_options), &argc, argv);
+ XtNumber (emacs_options), &argc, (char **) argv);
speed_up_interrupts ();
screen = DefaultScreen (dpy);
data-directory/app-defaults/$LANG/Emacs.
This is in addition to the standard app-defaults files, and
does not override resources defined elsewhere */
- CONST char *data_dir;
+ const char *data_dir;
char *path;
XrmDatabase db = XtDatabase (dpy); /* #### XtScreenDatabase(dpy) ? */
- CONST char *locale = XrmLocaleOfDatabase (db);
+ const char *locale = XrmLocaleOfDatabase (db);
if (STRINGP (Vx_app_defaults_directory) &&
XSTRING_LENGTH (Vx_app_defaults_directory) > 0)
{
- GET_C_STRING_FILENAME_DATA_ALLOCA(Vx_app_defaults_directory, data_dir);
+ LISP_STRING_TO_EXTERNAL (Vx_app_defaults_directory, data_dir, Qfile_name);
path = (char *)alloca (strlen (data_dir) + strlen (locale) + 7);
sprintf (path, "%s%s/Emacs", data_dir, locale);
if (!access (path, R_OK))
}
else if (STRINGP (Vdata_directory) && XSTRING_LENGTH (Vdata_directory) > 0)
{
- GET_C_STRING_FILENAME_DATA_ALLOCA (Vdata_directory, data_dir);
+ LISP_STRING_TO_EXTERNAL (Vdata_directory, data_dir, Qfile_name);
path = (char *)alloca (strlen (data_dir) + 13 + strlen (locale) + 7);
sprintf (path, "%sapp-defaults/%s/Emacs", data_dir, locale);
if (!access (path, R_OK))
else
{
/* We have to create a matching colormap anyway...
- ### think about using standard colormaps (need the Xmu libs?) */
+ #### think about using standard colormaps (need the Xmu libs?) */
cmap = XCreateColormap(dpy, RootWindow(dpy, screen), visual, AllocNone);
XInstallColormap(dpy, cmap);
}
#ifdef HAVE_WMCOMMAND
{
int new_argc;
- char **new_argv;
+ Extbyte **new_argv;
make_argc_argv (Vcommand_line_args, &new_argc, &new_argv);
- XSetCommand (XtDisplay (app_shell), XtWindow (app_shell), new_argv, new_argc);
+ XSetCommand (XtDisplay (app_shell), XtWindow (app_shell),
+ (char **) new_argv, new_argc);
free_argc_argv (new_argv);
}
#endif /* HAVE_WMCOMMAND */
DEVICE_X_GC_CACHE (d) = make_gc_cache (dpy, XtWindow(app_shell));
DEVICE_X_GRAY_PIXMAP (d) = None;
Xatoms_of_device_x (d);
- Xatoms_of_xselect (d);
+ Xatoms_of_select_x (d);
Xatoms_of_objects_x (d);
x_init_device_class (d);
/* handle X errors */
/************************************************************************/
-CONST char *
+const char *
x_event_name (int event_type)
{
- static CONST char *events[] =
+ static const char *events[] =
{
"0: ERROR!",
"1: REPLY",
}
#endif /* EXTERNAL_WIDGET */
+#if 0
+ /* This ends up calling X, which isn't allowed in an X error handler
+ */
stderr_out ("\n%s: ",
(STRINGP (Vinvocation_name)
? (char *) XSTRING_DATA (Vinvocation_name)
: "xemacs"));
+#endif
XmuPrintDefaultErrorMessage (disp, event, stderr);
}
return 0;
Lisp_Object dev;
struct device *d = get_device_from_display_1 (disp);
+ if (!d)
+ d = device_being_initialized;
+
assert (d != NULL);
XSETDEVICE (dev, d);
Xlib might just decide to exit(). So we mark the offending
console for deletion and throw to top level. */
if (d)
- enqueue_magic_eval_event (io_error_delete_device, dev);
- DEVICE_X_BEING_DELETED (d) = 1;
+ {
+ enqueue_magic_eval_event (io_error_delete_device, dev);
+ DEVICE_X_BEING_DELETED (d) = 1;
+ }
Fthrow (Qtop_level, Qnil);
return 0; /* not reached */
#endif /* 0 */
+/* strcasecmp() is not sufficiently portable or standard,
+ and it's easier just to write our own. */
+static int
+ascii_strcasecmp (const char *s1, const char *s2)
+{
+ while (1)
+ {
+ char c1 = *s1++;
+ char c2 = *s2++;
+ if (c1 >= 'A' && c1 <= 'Z') c1 += 'a' - 'A';
+ if (c2 >= 'A' && c2 <= 'Z') c2 += 'a' - 'A';
+ if (c1 != c2) return c1 - c2;
+ if (c1 == '\0') return 0;
+ }
+}
+
static char_dynarr *name_char_dynarr;
static char_dynarr *class_char_dynarr;
The sixth arg NOERROR, if non-nil, means do not signal an error if a
bogus resource specification was retrieved (e.g. if a non-integer was
given when an integer was requested). In this case, a warning is issued
- instead.
+ instead, unless NOERROR is t, in which case no warning is issued.
The resource names passed to this function are looked up relative to the
locale.
returned value is the list (t) for true, (nil) for false, and is nil to
mean ``unspecified''.
*/
- (name, class, type, locale, device, no_error))
+ (name, class, type, locale, device, noerror))
{
char* name_string, *class_string;
char *raw_result;
XrmDatabase db;
Display *display;
- Error_behavior errb = decode_error_behavior_flag (no_error);
+ Error_behavior errb = decode_error_behavior_flag (noerror);
CHECK_STRING (name);
CHECK_STRING (class);
return build_string (raw_result);
else if (EQ (type, Qboolean))
{
- if (!strcasecmp (raw_result, "off") ||
- !strcasecmp (raw_result, "false") ||
- !strcasecmp (raw_result, "no"))
+ if (!ascii_strcasecmp (raw_result, "off") ||
+ !ascii_strcasecmp (raw_result, "false") ||
+ !ascii_strcasecmp (raw_result, "no"))
return Fcons (Qnil, Qnil);
- if (!strcasecmp (raw_result, "on") ||
- !strcasecmp (raw_result, "true") ||
- !strcasecmp (raw_result, "yes"))
+ if (!ascii_strcasecmp (raw_result, "on") ||
+ !ascii_strcasecmp (raw_result, "true") ||
+ !ascii_strcasecmp (raw_result, "yes"))
return Fcons (Qt, Qnil);
return maybe_continuable_error
(Qresource, errb,
*/
(keysym))
{
- CONST char *keysym_ext;
+ const char *keysym_ext;
CHECK_STRING (keysym);
- GET_C_STRING_CTEXT_DATA_ALLOCA (keysym, keysym_ext);
+ LISP_STRING_TO_EXTERNAL (keysym, keysym_ext, Qctext);
return XStringToKeysym (keysym_ext) ? Qt : Qnil;
}
DEFUN ("x-keysym-hash-table", Fx_keysym_hash_table, 0, 1, 0, /*
-Return a hash table which contains a hash key for all keysyms which
-name keys on the keyboard. See `x-keysym-on-keyboard-p'.
+Return a hash table containing a key for all keysyms on DEVICE.
+DEVICE must be an X11 display device. See `x-keysym-on-keyboard-p'.
*/
(device))
{
{
Display *dpy = get_x_display (device);
int ndirs_return;
- CONST char **directories = (CONST char **) XGetFontPath (dpy, &ndirs_return);
+ const char **directories = (const char **) XGetFontPath (dpy, &ndirs_return);
Lisp_Object font_path = Qnil;
if (!directories)
while (ndirs_return--)
font_path = Fcons (build_ext_string (directories[ndirs_return],
- FORMAT_FILENAME), font_path);
+ Qfile_name),
+ font_path);
return font_path;
}
{
Display *dpy = get_x_display (device);
Lisp_Object path_entry;
- CONST char **directories;
+ const char **directories;
int i=0,ndirs=0;
EXTERNAL_LIST_LOOP (path_entry, font_path)
ndirs++;
}
- directories = alloca_array (CONST char *, ndirs);
+ directories = alloca_array (const char *, ndirs);
EXTERNAL_LIST_LOOP (path_entry, font_path)
{
- GET_C_STRING_FILENAME_DATA_ALLOCA (XCAR (path_entry), directories[i++]);
+ LISP_STRING_TO_EXTERNAL (XCAR (path_entry), directories[i++], Qfile_name);
}
expect_x_error (dpy);
reinit_console_type_create_device_x (void)
{
/* Initialize variables to speed up X resource interactions */
- CONST char *valid_resource_chars =
+ const char *valid_resource_chars =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
while (*valid_resource_chars)
valid_resource_char_p[(unsigned int) (*valid_resource_chars++)] = 1;
projects / chise / xemacs-chise.git.1 / blobdiff