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xenocara/app/xedit/commands.c
matthieu f1c430b349 Update to xedit 1.2.0
2010-10-31 19:19:11 +00:00

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/* $XConsortium: commands.c,v 1.33 91/10/21 14:32:18 eswu Exp $ */
/*
* COPYRIGHT 1987
* DIGITAL EQUIPMENT CORPORATION
* MAYNARD, MASSACHUSETTS
* ALL RIGHTS RESERVED.
*
* THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND
* SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
* DIGITAL MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR
* ANY PURPOSE. IT IS SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
*
* IF THE SOFTWARE IS MODIFIED IN A MANNER CREATING DERIVATIVE COPYRIGHT RIGHTS,
* APPROPRIATE LEGENDS MAY BE PLACED ON THE DERIVATIVE WORK IN ADDITION TO THAT
* SET FORTH ABOVE.
*
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Digital Equipment Corporation not be
* used in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission.
*/
/* $XFree86: xc/programs/xedit/commands.c,v 1.29tsi Exp $ */
#include <X11/Xfuncs.h>
#include <X11/Xos.h>
#include "xedit.h"
#ifdef CRAY
#include <unistd.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <string.h>
#include <dirent.h>
#include <pwd.h>
#include <sys/stat.h>
#include <X11/Xmu/SysUtil.h>
#include <X11/IntrinsicP.h>
#include <X11/Xaw/TextSrcP.h>
/* Turn a NULL pointer string into an empty string */
#define NULLSTR(x) (((x)!=NULL)?(x):(""))
#define Error(x) { printf x ; exit(EXIT_FAILURE); }
#define Assertion(expr, msg) { if (!(expr)) { Error msg } }
#define Log(x) { if (True) printf x; }
void ResetSourceChanged(xedit_flist_item*);
static void ResetDC(Widget, XtPointer, XtPointer);
static void AddDoubleClickCallback(Widget, Bool);
static Bool ReallyDoLoad(char*, char*);
static char *makeBackupName(String, String, unsigned);
/*
* External
*/
extern void _XawTextShowPosition(TextWidget);
extern Widget scratch, texts[3], labels[3];
#define DC_UNSAVED (1 << 0)
#define DC_LOADED (1 << 1)
#define DC_CLOBBER (1 << 2)
#define DC_KILL (1 << 3)
#define DC_SAVE (1 << 4)
#define DC_NEWER (1 << 5)
static int dc_state;
static void
AddDoubleClickCallback(Widget w, Bool state)
{
if (state)
XtAddCallback(w, XtNcallback, ResetDC, NULL);
else
XtRemoveCallback(w, XtNcallback, ResetDC, NULL);
}
/* Function Name: ResetDC
* Description: Resets the double click flag.
* Arguments: w - the text widget.
* junk, garbage - *** NOT USED ***
* Returns: none.
*/
/* ARGSUSED */
static void
ResetDC(Widget w, XtPointer junk, XtPointer garbage)
{
AddDoubleClickCallback(w, FALSE);
}
/*ARGSUSED*/
void
QuitAction(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
DoQuit(w, NULL, NULL);
}
/*ARGSUSED*/
void
DoQuit(Widget w, XtPointer client_data, XtPointer call_data)
{
unsigned i;
Bool source_changed = False;
if (!(dc_state & DC_UNSAVED)) {
for (i = 0; i < flist.num_itens; i++)
if (flist.itens[i]->flags & CHANGED_BIT) {
source_changed = True;
break;
}
}
if (!source_changed) {
#ifndef __UNIXOS2__
XeditLispCleanUp();
#endif
exit(0);
}
XeditPrintf("Unsaved changes. Save them, or Quit again.\n");
Feep();
dc_state |= DC_UNSAVED;
AddDoubleClickCallback(XawTextGetSource(textwindow), True);
}
static char *
makeBackupName(String buf, String filename, unsigned len)
{
if (app_resources.backupNamePrefix
&& strlen(app_resources.backupNamePrefix)) {
if (strchr(app_resources.backupNamePrefix, '/'))
XmuSnprintf(buf, len, "%s%s%s", app_resources.backupNamePrefix,
filename, app_resources.backupNameSuffix);
else {
char fname[BUFSIZ];
char *name, ch;
strncpy(fname, filename, sizeof(fname) - 1);
fname[sizeof(fname) - 1] = '\0';
if ((name = strrchr(fname, '/')) != NULL)
++name;
else
name = filename;
ch = *name;
*name = '\0';
++name;
XmuSnprintf(buf, len, "%s%s%c%s%s",
fname, app_resources.backupNamePrefix, ch, name,
app_resources.backupNameSuffix);
}
}
else
XmuSnprintf(buf, len, "%s%s",
filename, app_resources.backupNameSuffix);
return (strcmp(filename, buf) ? buf : NULL);
}
#if defined(USG) && !defined(CRAY)
int rename (from, to)
char *from, *to;
{
(void) unlink (to);
if (link (from, to) == 0) {
unlink (from);
return 0;
} else {
return -1;
}
}
#endif
/*ARGSUSED*/
void
SaveFile(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
if (line_edit) {
/* Don't try to save buffer with regex string.
* Call CancelFindFile() to leave line_edit mode.
*/
XeditPrintf("Save: Leaving line edit mode -- nothing saved.\n");
CancelFindFile(w, event, params, num_params);
Feep();
}
else
DoSave(w, NULL, NULL);
}
/*ARGSUSED*/
void
DoSave(Widget w, XtPointer client_data, XtPointer call_data)
{
String name = GetString(filenamewindow);
String filename = ResolveName(name);
FileAccess file_access;
xedit_flist_item *item;
Boolean exists;
Widget source = XawTextGetSource(textwindow);
char buffer[BUFSIZ];
struct stat st;
static char *nothing_saved = " -- nothing saved.\n";
if (!filename) {
XmuSnprintf(buffer, sizeof(buffer), "%s%s",
"Save: Can't resolve pathname", nothing_saved);
goto error;
}
else if (*name == '\0') {
XmuSnprintf(buffer, sizeof(buffer), "%s%s",
"Save: No filename specified", nothing_saved);
goto error;
}
item = FindTextSource(NULL, filename);
if (item != NULL && item->source != source) {
if (!(dc_state & DC_LOADED)) {
XmuSnprintf(buffer, sizeof(buffer), "%s%s%s%s",
"Save: file ", name, " is already loaded, "
"Save again to unload it", nothing_saved);
Feep();
dc_state |= DC_LOADED;
AddDoubleClickCallback(XawTextGetSource(textwindow), True);
goto error;
}
else {
KillTextSource(item);
item = FindTextSource(source = XawTextGetSource(textwindow), NULL);
dc_state &= ~DC_LOADED;
}
}
else if (item && !(item->flags & CHANGED_BIT)) {
if (!(dc_state & DC_SAVE)) {
XmuSnprintf(buffer, sizeof(buffer), "%s%s",
"Save: No changes need to be saved, "
"save again to override", nothing_saved);
Feep();
dc_state |= DC_SAVE;
AddDoubleClickCallback(XawTextGetSource(textwindow), True);
goto error;
}
else
dc_state &= ~DC_SAVE;
}
file_access = CheckFilePermissions(filename, &exists);
if (exists) {
if (stat(filename, &st) != 0) {
XmuSnprintf(buffer, sizeof(buffer), "%s%s%s",
"Save: cannot stat ", name, nothing_saved);
goto error;
}
else if (!S_ISREG(st.st_mode)) {
XmuSnprintf(buffer, sizeof(buffer), "%s%s%s%s",
"Save: file ", name, "is not a regular file",
nothing_saved);
goto error;
}
}
if (!item || strcmp(item->filename, filename)) {
if (file_access == WRITE_OK && exists) {
if (!(dc_state & DC_CLOBBER)) {
XmuSnprintf(buffer, sizeof(buffer), "%s%s%s%s",
"Save: file ", name, " already exists, "
"save again to override", nothing_saved);
Feep();
dc_state |= DC_CLOBBER;
AddDoubleClickCallback(XawTextGetSource(textwindow), True);
goto error;
}
else
dc_state &= ~DC_CLOBBER;
}
if (!item)
item = FindTextSource(source, NULL);
}
if (item && item->mtime && exists && item->mtime < st.st_mtime) {
if (!(dc_state & DC_NEWER)) {
XmuSnprintf(buffer, sizeof(buffer), "%s%s",
"Save: Newer file exists, "
"save again to override", nothing_saved);
Feep();
dc_state |= DC_NEWER;
AddDoubleClickCallback(XawTextGetSource(textwindow), True);
goto error;
}
else
dc_state &= DC_NEWER;
}
if (app_resources.enableBackups && exists) {
char backup_file[BUFSIZ];
if (makeBackupName(backup_file, filename, sizeof(backup_file)) == NULL
|| rename(filename, backup_file) != 0) {
XeditPrintf("Error backing up file: %s\n", filename);
}
}
switch (file_access = MaybeCreateFile(filename)) {
case NO_READ:
case READ_OK:
XeditPrintf("File %s could not be opened for writing.\n", name);
Feep();
break;
case WRITE_OK:
if (XawAsciiSaveAsFile(source, filename)) {
int i;
Arg args[1];
XmuSnprintf(buffer, sizeof(buffer),
"%s Read - Write", name);
XtSetArg(args[0], XtNlabel, buffer);
for (i = 0; i < 3; i++)
if (XawTextGetSource(texts[i]) == source)
XtSetValues(labels[i], args, 1);
XeditPrintf("Saved file: %s\n", name);
if (item && item->source != scratch) {
XtSetArg(args[0], XtNlabel, filename);
XtSetValues(item->sme, args, 1);
XtSetArg(args[0], XtNeditType, XawtextEdit);
XtSetValues(item->source, args, 1);
XtFree(item->name);
XtFree(item->filename);
item->name = XtNewString(name);
item->filename = XtNewString(filename);
item->flags = EXISTS_BIT;
}
else {
item = flist.itens[0];
XtRemoveCallback(scratch, XtNcallback, SourceChanged,
(XtPointer)item);
item->source = scratch =
XtVaCreateWidget("textSource", international ?
multiSrcObjectClass :
asciiSrcObjectClass,
topwindow,
XtNtype, XawAsciiFile,
XtNeditType, XawtextEdit,
NULL, NULL);
ResetSourceChanged(item);
XtAddCallback(scratch, XtNcallback, SourceChanged,
(XtPointer)item);
item = AddTextSource(source, name, filename, EXISTS_BIT,
file_access);
XtAddCallback(item->source, XtNcallback, SourceChanged,
(XtPointer)item);
}
/* Keep file protection mode */
if (item->mode)
chmod(filename, item->mode);
/* Remember time of last modification */
if (stat(filename, &st) == 0)
item->mtime = st.st_mtime;
item->flags |= EXISTS_BIT;
ResetSourceChanged(item);
}
else {
XeditPrintf("Error saving file: %s\n", name);
Feep();
}
break;
default:
Feep();
break;
}
return;
error:
XeditPrintf("%s", buffer);
Feep();
}
/*ARGSUSED*/
void
DoLoad(Widget w, XtPointer client_data, XtPointer call_data)
{
if (ReallyDoLoad(GetString(filenamewindow), ResolveName(NULL))) {
SwitchDirWindow(False);
XtSetKeyboardFocus(topwindow, textwindow);
}
}
Bool
LoadFileInTextwindow(char *name, char *resolved_name)
{
return (ReallyDoLoad(name, resolved_name));
}
static Bool
ReallyDoLoad(char *name, char *filename)
{
Arg args[5];
Cardinal num_args = 0;
xedit_flist_item *item;
Widget source = XawTextGetSource(textwindow);
if (!filename) {
XeditPrintf("Load: Can't resolve pathname.\n");
Feep();
return (False);
}
else if (*name == '\0') {
XeditPrintf("Load: No file specified.\n");
Feep();
}
if ((item = FindTextSource(NULL, filename)) != NULL) {
SwitchTextSource(item);
return (True);
}
else {
struct stat st;
if (stat(filename, &st) == 0 && !S_ISREG(st.st_mode)) {
if (S_ISDIR(st.st_mode)) {
char path[BUFSIZ + 1];
strncpy(path, filename, sizeof(path) - 2);
path[sizeof(path) - 2] = '\0';
if (*path) {
if (path[strlen(path) - 1] != '/')
strcat(path, "/");
}
else
strcpy(path, "./");
XtSetArg(args[0], XtNlabel, "");
XtSetValues(dirlabel, args, 1);
SwitchDirWindow(True);
DirWindowCB(dirwindow, path, NULL);
return (False);
}
}
}
{
Boolean exists;
int flags;
FileAccess file_access;
switch( file_access = CheckFilePermissions(filename, &exists) ) {
case NO_READ:
if (exists)
XeditPrintf("File %s, %s", name,
"exists, and could not be opened for reading.\n");
else
XeditPrintf("File %s %s %s", name,
"does not exist, and",
"the directory could not be opened for writing.\n");
Feep();
return (False);
case READ_OK:
XtSetArg(args[num_args], XtNeditType, XawtextRead); num_args++;
XeditPrintf("File %s opened READ ONLY.\n", name);
break;
case WRITE_OK:
XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++;
XeditPrintf("File %s opened read - write.\n", name);
break;
default:
Feep();
return (False);
}
if (exists) {
flags = EXISTS_BIT;
XtSetArg(args[num_args], XtNstring, filename); num_args++;
}
else {
flags = 0;
XtSetArg(args[num_args], XtNstring, NULL); num_args++;
}
source = XtVaCreateWidget("textSource", international ?
multiSrcObjectClass :
asciiSrcObjectClass,
topwindow,
XtNtype, XawAsciiFile,
XtNeditType, XawtextEdit,
NULL, NULL);
XtSetValues(source, args, num_args);
item = AddTextSource(source, name, filename, flags, file_access);
XtAddCallback(item->source, XtNcallback, SourceChanged,
(XtPointer)item);
if (exists && file_access == WRITE_OK) {
struct stat st;
if (stat(item->filename, &st) == 0) {
item->mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
item->mtime = st.st_mtime;
}
}
SwitchTextSource(item);
ResetSourceChanged(item);
}
return (True);
}
/* Function Name: SourceChanged
* Description: A callback routine called when the source has changed.
* Arguments: w - the text source that has changed.
* client_data - xedit_flist_item associated with text buffer.
* call_data - NULL is unchanged
* Returns: none.
*/
/*ARGSUSED*/
void
SourceChanged(Widget w, XtPointer client_data, XtPointer call_data)
{
xedit_flist_item *item = (xedit_flist_item*)client_data;
Bool changed = (Bool)(long)call_data;
if (changed) {
if (item->flags & CHANGED_BIT)
return;
item->flags |= CHANGED_BIT;
}
else {
if (item->flags & CHANGED_BIT)
ResetSourceChanged(item);
return;
}
if (flist.pixmap) {
Arg args[1];
Cardinal num_args;
int i;
num_args = 0;
XtSetArg(args[num_args], XtNleftBitmap, flist.pixmap); ++num_args;
XtSetValues(item->sme, args, num_args);
for (i = 0; i < 3; i++)
if (XawTextGetSource(texts[i]) == item->source)
XtSetValues(labels[i], args, num_args);
}
}
/* Function Name: ResetSourceChanged.
* Description: Sets the source changed to FALSE, and
* registers a callback to set it to TRUE when
* the source has changed.
* Arguments: item - item with widget to register the callback on.
* Returns: none.
*/
void
ResetSourceChanged(xedit_flist_item *item)
{
Arg args[1];
Cardinal num_args;
int i;
num_args = 0;
XtSetArg(args[num_args], XtNleftBitmap, None); ++num_args;
XtSetValues(item->sme, args, num_args);
dc_state = 0;
for (i = 0; i < 3; i++) {
if (XawTextGetSource(texts[i]) == item->source)
XtSetValues(labels[i], args, num_args);
AddDoubleClickCallback(XawTextGetSource(texts[i]), False);
}
num_args = 0;
XtSetArg(args[num_args], XtNsourceChanged, False); ++num_args;
XtSetValues(item->source, args, num_args);
item->flags &= ~CHANGED_BIT;
}
/*ARGSUSED*/
void
KillFile(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
xedit_flist_item *item = FindTextSource(XawTextGetSource(textwindow), NULL);
if (item->source == scratch) {
Feep();
return;
}
if (item->flags & CHANGED_BIT) {
if (!(dc_state & DC_KILL)) {
XeditPrintf("Kill: Unsaved changes. Kill again to override.\n");
Feep();
dc_state |= DC_KILL;
AddDoubleClickCallback(XawTextGetSource(textwindow), True);
return;
}
dc_state &= ~DC_KILL;
}
KillTextSource(item);
}
/*ARGSUSED*/
void
FindFile(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
char *string;
char *slash;
XawTextBlock block;
XawTextPosition end = XawTextSourceScan(XawTextGetSource(filenamewindow),
0, XawstAll, XawsdRight, 1, True);
slash = NULL;
if (!line_edit) {
string = GetString(filenamewindow);
if (string)
slash = strrchr(string, '/');
}
else {
string = "";
line_edit = False;
}
block.firstPos = 0;
block.format = FMT8BIT;
block.ptr = string;
block.length = slash ? slash - string + 1 : 0;
if (block.length != end)
XawTextReplace(filenamewindow, 0, end, &block);
XawTextSetInsertionPoint(filenamewindow, end);
XtSetKeyboardFocus(topwindow, filenamewindow);
}
/*ARGSUSED*/
void
LoadFile(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
if (line_edit)
LineEdit(textwindow);
else if (ReallyDoLoad(GetString(filenamewindow), ResolveName(NULL))) {
SwitchDirWindow(False);
XtSetKeyboardFocus(topwindow, textwindow);
}
}
/*ARGSUSED*/
void
CancelFindFile(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
Arg args[1];
xedit_flist_item *item;
XtSetKeyboardFocus(topwindow, textwindow);
item = FindTextSource(XawTextGetSource(textwindow), NULL);
if (item->source != scratch)
XtSetArg(args[0], XtNstring, item->name);
else
XtSetArg(args[0], XtNstring, NULL);
XtSetValues(filenamewindow, args, 1);
/* XXX This probably should be done by the TextWidget, i.e. notice
* if the cursor became inivisible due to an horizontal scroll */
_XawTextShowPosition((TextWidget)filenamewindow);
if (XtIsManaged(XtParent(dirwindow)))
SwitchDirWindow(False);
line_edit = False;
}
static int
compar(_Xconst void *a, _Xconst void *b)
{
return (strcmp(*(char **)a, *(char **)b));
}
/*ARGSUSED*/
void
FileCompletion(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
XawTextBlock block;
String text;
int length;
char **matches, *save, *dir_name, *file_name, match[257];
unsigned n_matches, len, mlen, buflen;
DIR *dir;
Bool changed, slash = False, has_dot = False;
#define SM_NEVER 0
#define SM_HINT 1
#define SM_ALWAYS 2
int show_matches;
text = GetString(filenamewindow);
if (!text) {
Feep();
return;
}
else if (line_edit) {
Feep();
line_edit = 0;
}
{
XawTextPosition pos = XawTextGetInsertionPoint(w);
char *cslash = strchr(&text[pos], '/'), *cdot = strchr(&text[pos], '.');
if (cslash != NULL || cdot != NULL) {
if (cslash != NULL && (cdot == NULL || cdot > cslash)) {
length = cslash - text;
slash = True;
}
else {
length = cdot - text;
has_dot = True;
}
}
else
length = strlen(text);
}
if (*num_params == 1 && length == strlen(text)) {
switch (params[0][0]) {
case 'n': /* Never */
case 'N':
show_matches = SM_NEVER;
break;
case 'h': /* Hint */
case 'H':
show_matches = SM_HINT;
break;
case 'a': /* Always */
case 'A':
show_matches = SM_ALWAYS;
break;
default:
show_matches = SM_NEVER;
XtAppWarning(XtWidgetToApplicationContext(w),
"Bad argument to file-completion, "
"must be Never, Hint or Always");
break;
}
}
else
show_matches = SM_NEVER;
matches = NULL;
n_matches = buflen = 0;
save = XtMalloc(length + 1);
memmove(save, text, length);
save[length] = '\0';
if (save[0] == '~' && save[1]) {
char *slash2 = strchr(save, '/');
if (slash2) {
struct passwd *pw;
char home[BUFSIZ];
char *name;
int slen = strlen(save), diff = slash2 - save;
*slash2 = '\0';
name = save + 1;
if (strlen(name) != 0)
pw = getpwnam(name);
else
pw = getpwuid(getuid());
if (pw) {
char fname[BUFSIZ];
int hlen;
strncpy(home, pw->pw_dir, sizeof(home) - 1);
home[sizeof(home) - 1] = '\0';
hlen = strlen(home);
strncpy(fname, slash2 + 1, sizeof(fname) - 1);
fname[sizeof(fname) - 1] = '\0';
save = XtRealloc(save, slen - diff + hlen + 2);
(void)memmove(save, home, hlen);
save[hlen] = '/';
strcpy(&save[hlen + 1], fname);
/* expand directory */
block.length = strlen(save);
block.ptr = save;
block.firstPos = 0;
block.format = FMT8BIT;
XawTextReplace(filenamewindow, 0, length, &block);
XawTextSetInsertionPoint(filenamewindow, length = block.length);
}
else
*slash2 = '/';
}
}
if ((file_name = strrchr(save, '/')) != NULL) {
*file_name = '\0';
++file_name;
dir_name = save;
if (!file_name[0])
slash = True;
if (!dir_name[0])
dir_name = "/";
}
else {
dir_name = ".";
file_name = save;
}
len = strlen(file_name);
if ((dir = opendir(dir_name)) != NULL) {
char path[BUFSIZ], *pptr;
struct dirent *ent;
int isdir = 0, first = 1, bytes;
XmuSnprintf(path, sizeof(path), "%s/", dir_name);
pptr = path + strlen(path);
bytes = sizeof(path) - (pptr - path) - 1;
mlen = 0;
match[0] = '\0';
while ((ent = readdir(dir)) != NULL) {
unsigned d_namlen = strlen(ent->d_name);
if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
continue;
if (d_namlen >= len && strncmp(ent->d_name, file_name, len) == 0) {
char *tmp = &(ent->d_name[len]), *mat = match;
struct stat st;
Bool is_dir = FALSE;
strncpy(pptr, ent->d_name, bytes);
pptr[bytes] = '\0';
if (stat(path, &st) != 0)
/* Should check errno, may be a broken symbolic link
* a directory with r-- permission, etc */
continue;
else if (first || show_matches != SM_NEVER) {
is_dir = S_ISDIR(st.st_mode);
}
if (first) {
strncpy(match, tmp, sizeof(match) - 1);
match[sizeof(match) - 2] = '\0';
mlen = strlen(match);
first = 0;
isdir = is_dir;
}
else {
while (*tmp && *mat && *tmp++ == *mat)
++mat;
if (mlen > mat - match) {
mlen = mat - match;
match[mlen] = '\0';
}
}
if (show_matches != SM_NEVER) {
matches = (char **)XtRealloc((char*)matches, sizeof(char**)
* (n_matches + 1));
buflen += d_namlen + 1;
if (is_dir) {
matches[n_matches] = XtMalloc(d_namlen + 2);
strcpy(matches[n_matches], ent->d_name);
strcat(matches[n_matches], "/");
++buflen;
}
else
matches[n_matches] = XtNewString(ent->d_name);
}
else if (mlen == 0 && n_matches >= 1) {
++n_matches;
break;
}
++n_matches;
}
}
closedir(dir);
changed = mlen != 0;
if (first || n_matches) {
Bool free_matches = True, add_slash = n_matches == 1 && isdir && !slash;
if (mlen && has_dot && match[mlen - 1] == '.')
--mlen;
if (mlen || add_slash) {
XawTextPosition pos;
block.firstPos = 0;
block.format = FMT8BIT;
if (mlen) {
pos = length;
block.length = mlen;
block.ptr = match;
XawTextReplace(filenamewindow, pos, pos, &block);
XawTextSetInsertionPoint(filenamewindow, pos + block.length);
}
if (add_slash) {
XawTextPosition actual = XawTextGetInsertionPoint(w);
pos = XawTextSourceScan(XawTextGetSource(w), 0, XawstAll,
XawsdRight, 1, True);
block.length = 1;
block.ptr = "/";
XawTextReplace(filenamewindow, pos, pos, &block);
if (actual == pos)
XawTextSetInsertionPoint(filenamewindow, pos + 1);
}
}
else if (n_matches != 1 || isdir) {
if (show_matches == SM_NEVER)
Feep();
}
if (show_matches != SM_NEVER) {
if (show_matches == SM_ALWAYS || (!changed && n_matches != 1)) {
char **list = NULL, *label;
int n_list;
Arg args[2];
XtSetArg(args[0], XtNlist, &list);
XtSetArg(args[1], XtNnumberStrings, &n_list);
XtGetValues(dirwindow, args, 2);
matches = (char **)XtRealloc((char*)matches, sizeof(char**)
* (n_matches + 2));
matches[n_matches++] = XtNewString("./");
matches[n_matches++] = XtNewString("../");
qsort(matches, n_matches, sizeof(char*), compar);
XtSetArg(args[0], XtNlist, matches);
XtSetArg(args[1], XtNnumberStrings, n_matches);
XtSetValues(dirwindow, args, 2);
if (n_list > 0
&& (n_list != 1 || list[0] != XtName(dirwindow))) {
while (--n_list > -1)
XtFree(list[n_list]);
XtFree((char*)list);
}
label = ResolveName(dir_name);
XtSetArg(args[0], XtNlabel, label);
XtSetValues(dirlabel, args, 1);
SwitchDirWindow(True);
free_matches = False;
}
}
if (free_matches && matches) {
while (--n_matches > -1)
XtFree(matches[n_matches]);
XtFree((char*)matches);
}
}
else
Feep();
}
else
Feep();
XtFree(save);
}
/*ARGSUSED*/
void
DirWindowCB(Widget w, XtPointer user_data, XtPointer call_data)
{
XawListReturnStruct *file_info = (XawListReturnStruct *)call_data;
char *dir_name, *string, path[BUFSIZ];
Arg args[2];
if (file_info == NULL)
string = (char *)user_data;
else
string = file_info->string;
XtSetArg(args[0], XtNlabel, &dir_name);
XtGetValues(dirlabel, args, 1);
if (*dir_name == '\0') {
strncpy(path, string, sizeof(path) - 1);
path[sizeof(path) - 1] = '\0';
}
else if (strcmp(dir_name, "/") == 0)
XmuSnprintf(path, sizeof(path), "/%s", string);
else
XmuSnprintf(path, sizeof(path), "%s/%s", dir_name, string);
if (*string && string[strlen(string) - 1] == '/') {
DIR *dir;
if ((dir = opendir(path)) != NULL) {
struct dirent *ent;
struct stat st;
unsigned d_namlen;
Bool isdir;
char **entries = NULL, **list = NULL;
int n_entries = 0, n_list = 0;
char *label, *pptr = path + strlen(path);
int bytes = sizeof(path) - (pptr - path) - 1;
while ((ent = readdir(dir)) != NULL) {
d_namlen = strlen(ent->d_name);
strncpy(pptr, ent->d_name, bytes);
pptr[bytes] = '\0';
if (stat(path, &st) != 0)
/* Should check errno, may be a broken symbolic link
* a directory with r-- permission, etc */
continue;
else
isdir = S_ISDIR(st.st_mode);
entries = (char **)XtRealloc((char*)entries, sizeof(char*)
* (n_entries + 1));
if (isdir) {
entries[n_entries] = XtMalloc(d_namlen + 2);
strcpy(entries[n_entries], ent->d_name);
strcat(entries[n_entries], "/");
}
else
entries[n_entries] = XtNewString(ent->d_name);
++n_entries;
}
closedir(dir);
XtSetArg(args[0], XtNlist, &list);
XtSetArg(args[1], XtNnumberStrings, &n_list);
XtGetValues(dirwindow, args, 2);
if (n_entries == 0) {
entries = (char**)XtMalloc(sizeof(char*) * 2);
/* Directory has read but not execute permission? */
entries[n_entries++] = XtNewString("./");
entries[n_entries++] = XtNewString("../");
}
qsort(entries, n_entries, sizeof(char*), compar);
XtSetArg(args[0], XtNlist, entries);
XtSetArg(args[1], XtNnumberStrings, n_entries);
XtSetValues(dirwindow, args, 2);
if (n_list > 0
&& (n_list != 1 || list[0] != XtName(dirwindow))) {
while (--n_list > -1)
XtFree(list[n_list]);
XtFree((char*)list);
}
*pptr = '\0';
if ((label = ResolveName(path)) == NULL) {
Feep();
label = path;
}
XtSetArg(args[0], XtNlabel, label);
XtSetValues(dirlabel, args, 1);
strncpy(path, label, sizeof(path) - 2);
if (*path && path[strlen(path) - 1] != '/')
strcat(path, "/");
XtSetArg(args[0], XtNstring, path);
XtSetValues(filenamewindow, args, 1);
XtSetKeyboardFocus(topwindow, filenamewindow);
XawTextSetInsertionPoint(filenamewindow, strlen(path));
}
else
Feep();
}
else {
(void)ReallyDoLoad(path, ResolveName(path));
SwitchDirWindow(False);
XtSetKeyboardFocus(topwindow, textwindow);
}
}
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