#include "sysfile.h"
#include "systime.h"
+#if defined(HAVE_DLOPEN) && defined(LWLIB_USES_ATHENA) && !defined(HAVE_ATHENA_3D)
+#include "sysdll.h"
+#endif /* HAVE_DLOPEN and LWLIB_USES_ATHENA and not HAVE_ATHENA_3D */
+
#ifdef HAVE_OFFIX_DND
#include "offix.h"
#endif
/* */
int best_visual_found = 0;
+#if defined(HAVE_DLOPEN) && 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_DLOPEN 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);
+ TO_EXTERNAL_FORMAT (LISP_STRING, display,
+ C_STRING_ALLOCA, disp_name,
+ Qctext);
/*
* Break apart the old XtOpenDisplay call into XOpenDisplay and
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);
+ TO_EXTERNAL_FORMAT (LISP_STRING, Vx_emacs_application_class,
+ C_STRING_ALLOCA, app_class,
+ Qctext);
else
{
app_class = (NILP (Vx_emacs_application_class) &&
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);
+ TO_EXTERNAL_FORMAT (LISP_STRING, Vx_app_defaults_directory,
+ C_STRING_ALLOCA, 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);
+ TO_EXTERNAL_FORMAT (LISP_STRING, Vdata_directory,
+ C_STRING_ALLOCA, 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);
}
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);
CONST char *keysym_ext;
CHECK_STRING (keysym);
- GET_C_STRING_CTEXT_DATA_ALLOCA (keysym, keysym_ext);
+ TO_EXTERNAL_FORMAT (LISP_STRING, keysym,
+ C_STRING_ALLOCA, 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))
{
while (ndirs_return--)
font_path = Fcons (build_ext_string (directories[ndirs_return],
- FORMAT_FILENAME), font_path);
+ Qfile_name),
+ font_path);
return font_path;
}
EXTERNAL_LIST_LOOP (path_entry, font_path)
{
- GET_C_STRING_FILENAME_DATA_ALLOCA (XCAR (path_entry), directories[i++]);
+ TO_EXTERNAL_FORMAT (LISP_STRING, XCAR (path_entry),
+ C_STRING_ALLOCA, directories[i++],
+ Qfile_name);
}
expect_x_error (dpy);
projects / chise / xemacs-chise.git.1 / blobdiff