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xpaint-2.1.1
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fileName.c
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1995-05-03
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/* +-------------------------------------------------------------------+ */
/* | Copyright 1992, 1993, David Koblas (koblas@netcom.com) | */
/* | | */
/* | Permission to use, copy, modify, and to distribute this software | */
/* | and its documentation for any purpose is hereby granted without | */
/* | fee, provided that the above copyright notice appear in all | */
/* | copies and that both that copyright notice and this permission | */
/* | notice appear in supporting documentation. There is no | */
/* | representations about the suitability of this software for | */
/* | any purpose. this software is provided "as is" without express | */
/* | or implied warranty. | */
/* | | */
/* +-------------------------------------------------------------------+ */
#include <X11/StringDefs.h>
#include <X11/Intrinsic.h>
#include <X11/Shell.h>
#include <X11/Xaw/Dialog.h>
#include <X11/Xaw/Command.h>
#include <X11/Xaw/Toggle.h>
#include <X11/Xaw/Form.h>
#include <X11/Xaw/Label.h>
#include <X11/Xaw/List.h>
#include <X11/Xaw/AsciiText.h>
#include <X11/Xaw/Text.h>
#include <X11/Xaw/Viewport.h>
#include <X11/Xaw/Scrollbar.h>
#include "Paint.h"
#include "misc.h"
#include "image.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#if defined(SYSV) || defined(SVR4)
#include <dirent.h>
#else
#include <sys/dir.h>
#endif
#include <pwd.h>
#include "rw/rwTable.h"
#define MAX_PATH 1024
#ifndef NOSTDHDRS
#include <stdlib.h>
#include <unistd.h>
#endif
typedef void (*voidFunc)();
/*
** swiped from X11/Xfuncproto.h
** since qsort() may or may not be defined with a constant sub-function
*/
#ifndef _Xconst
#if __STDC__ || defined(__cplusplus) || defined(c_plusplus) || (FUNCPROTO&4)
#define _Xconst const
#else
#define _Xconst
#endif
#endif /* _Xconst */
static void *getArgType(Widget);
static void *lastId = NULL;
void *GetFileNameGetLastId()
{
if (lastId == NULL)
return RWtableGetReaderID();
return lastId;
}
/*
** "Std" Save functions
*/
static void stdSaveCommonCallback(Widget paint, char *file, Boolean flag, RWwriteFunc f)
{
Pixmap pix, mask = None;
int width, height;
Colormap cmap;
Image *image;
if (*file == '\0') {
Notice(paint,"No file name supplied");
return;
}
if (flag) {
PwGetPixmap(paint, &pix, &width, &height);
} else {
if (!PwRegionGet(paint, &pix, &mask)) {
Notice(paint,"Unable to get region");
return;
}
}
XtVaGetValues(paint, XtNcolormap, &cmap, NULL);
if ((image = PixmapToImage(paint, pix, cmap)) == NULL) {
Notice(paint,"Unable to create image for saving");
return;
}
if (mask != None)
PixmapToImageMask(paint, image, mask);
image->refCount++;
if (f(file, image)) {
Notice(paint,"Error saving file:\n %s", RWGetMsg());
} else if (flag)
XtVaSetValues(paint, XtNdirty, False, NULL);
image->refCount--;
ImageDelete(image);
}
static void saveRegionFileCalback(Widget paint, XtPointer str, XtPointer func)
{
stdSaveCommonCallback(paint, (char *)str, False, (RWwriteFunc)func);
}
static void saveFileCalback(Widget paint, XtPointer str, XtPointer func)
{
char *cp;
stdSaveCommonCallback(paint, (char *)str, True, (RWwriteFunc)func);
if ((cp = strrchr(str, '/')) == NULL)
cp = str;
else
cp++;
XtVaSetValues(GetShell(paint), XtNtitle, str, XtNiconName, cp, NULL);
}
void StdSaveRegionFile(Widget w, XtPointer paintArg, XtPointer junk)
{
Widget paint = (Widget)paintArg;
if (PwRegionGet(paint, NULL, NULL))
GetFileName(paint, True, NULL, saveRegionFileCalback, NULL);
else
Notice(paint, "No region selected presently");
}
void StdSaveAsFile(Widget w, XtPointer paintArg, XtPointer junk)
{
Widget paint = (Widget)paintArg;
String name;
String nm = XtName(GetShell(paint));
XtVaGetValues(GetShell(paint), XtNtitle, &name, NULL);
if (strcmp(name, "Untitled") == 0 || strcmp(nm, name) == 0)
name = NULL;
GetFileName(paint, True, name, saveFileCalback, NULL);
}
void StdSaveFile(Widget w, XtPointer paintArg, XtPointer junk)
{
Widget paint = (Widget)paintArg;
String name = NULL;
String nm = XtName(GetShell(paint));
voidFunc f = NULL;
void *id;
if (strcmp(nm, "Canvas") == 0) {
XtVaGetValues(GetShell(paint), XtNtitle, &name, NULL);
if (strcmp(name, "Untitled") == 0 || strcmp(nm, name) == 0)
name = NULL;
}
if (name != NULL) {
if ((id = getArgType(paint)) != NULL) {
f = (voidFunc)RWtableGetWriter(id);
} else if ((id = GraphicGetReaderId(paint)) != NULL) {
f = (voidFunc)RWtableGetWriter(RWtableGetEntry(id));
}
if (f != NULL) {
stdSaveCommonCallback(paint, name, True, (RWwriteFunc)f);
return;
}
}
GetFileName(paint, True, name, saveFileCalback, NULL);
}
/*
**
*/
void *ReadMagic(char *file)
{
RWreadFunc f = RWtableGetReader(RWtableGetEntry(MAGIC_READER));
return (void *)f(file);
}
/*
** The code begins
*/
typedef struct arg_s {
XtCallbackProc okFunc;
void *type;
Boolean isRead, isSimple;
Widget w, text, scrollbar;
XtPointer closure;
char dirname[MAX_PATH];
Widget list, cwd_w, info;
int first;
Boolean isPoped;
/*
** Use for caching, list purposes
*/
Widget parent;
int browserType;
struct arg_s *next;
} arg_t;
static void fileTypeCallback(Widget w, XtPointer argArg, XtPointer junk)
{
arg_t *arg = (arg_t*)argArg;
String nm = XtName(w);
arg->type = RWtableGetEntry(nm);
}
static void emptyList(arg_t *arg)
{
String *strs;
int i, n;
if (arg->first) {
arg->first = False;
return;
}
XtVaGetValues(arg->list, XtNnumberStrings, &n,
XtNlist, &strs,
NULL);
for (i = 0; i < n; i++)
XtFree((XtPointer)strs[i]);
XtFree((XtPointer)strs);
}
static char *doDirname(arg_t *arg, char *file)
{
static char newPath[MAX_PATH];
char *cp;
if (file == NULL) {
#ifdef NOSTDHDRS
getwd(newPath);
#else
getcwd(newPath, sizeof(newPath));
#endif
return newPath;
}
if (*file == '~') {
struct passwd *pw;
file++;
if (*file == '/' || *file == '\0') {
pw = getpwuid(getuid());
} else {
char buf[80], *bp = buf;
while (*file != '/' && *file != '\0')
*bp++ = *file++;
*bp = '\0';
pw = getpwnam(buf);
}
if (pw == NULL)
return NULL;
while (*file == '/')
file++;
strcpy(newPath, pw->pw_dir);
} else if (*file == '/') {
file++;
newPath[0] = '\0';
} else {
strcpy(newPath, arg->dirname);
}
if (strcmp(newPath, "/") != 0)
strcat(newPath, "/");
while (*file != '\0') {
char *ep;
if ((ep = strchr(file, '/')) == NULL)
ep = file + strlen(file);
if (strncmp(file, "./", 2) == 0 || strcmp(file, ".") == 0)
goto bottom;
if (strncmp(file, "../", 3) == 0 || strcmp(file, "..") == 0) {
/*
** First strip trailing '/'
*/
char *cp = newPath + strlen(newPath) - 1;
if (cp != newPath)
*cp = '\0';
cp = strrchr(newPath, '/');
if (cp == newPath)
strcpy(newPath, "/");
else
*cp = '\0';
goto bottom;
}
strncat(newPath, file, ep - file);
bottom:
file = ep;
if (*file == '/')
strcat(newPath, "/");
while (*file == '/')
file++;
}
/*
** Strip any trailing '/'s
*/
cp = newPath + strlen(newPath) - 1;
if (*cp == '/' && cp != newPath)
*cp = '\0';
return newPath;
}
static int strqsortcmp(char **a, char **b)
{
String astr = *a;
String bstr = *b;
String aend = astr + strlen(astr) - 1;
String bend = bstr + strlen(bstr) - 1;
if (strncmp(astr, "../", 3) == 0)
return -1;
if (strncmp(bstr, "../", 3) == 0)
return 1;
if (*aend == '/' && *bend != '/')
return -1;
if (*aend != '/' && *bend == '/')
return 1;
return strcmp(astr, bstr);
}
static void setCWD(arg_t *arg, char *dir)
{
DIR *dirp;
#if defined(SYSV) || defined(SVR4)
struct dirent *e;
#else
struct direct *e;
#endif
int count = 0, i = 0;
int dirCount = 0, fileCount = 0;
String *list;
char fileStr[MAX_PATH], *filePtr;
static char infoStr[256];
struct stat statbuf;
Widget sb;
if (dir == NULL)
dir = arg->dirname;
if (stat(dir, &statbuf) < 0 || (statbuf.st_mode & S_IFDIR) == 0)
return;
if ((dirp = opendir(dir)) == NULL)
return;
StateSetBusyWatch(True);
while (readdir(dirp) != NULL)
count++;
rewinddir(dirp);
list = (String *)XtCalloc(sizeof(String *), count + 1);
strcpy(fileStr, dir == NULL ? arg->dirname : dir);
filePtr = fileStr + strlen(fileStr);
*filePtr++ = '/';
while ((e = readdir(dirp)) != NULL) {
struct stat statbuf;
char *nm = e->d_name;
if (nm[0] == '.') {
/*
** Skip '.'
*/
if (nm[1] == '\0')
continue;
if (nm[1] == '.' && nm[2] == '\0') {
list[i++] = XtNewString("../ (Go up 1 directory level)");
continue;
}
}
strcpy(filePtr, nm);
if (stat(fileStr, &statbuf) < 0) {
list[i++] = XtNewString(nm);
continue;
}
if ((statbuf.st_mode & S_IFDIR) != 0) {
list[i] = XtMalloc(sizeof(char) * strlen(nm) + 2);
strcpy(list[i], nm);
strcat(list[i], "/");
i++;
dirCount++;
continue;
}
/*
** Now only if it is a file.
*/
if ((statbuf.st_mode & (S_IFMT & ~S_IFLNK)) == 0) {
list[i++] = XtNewString(nm);
fileCount++;
}
}
closedir(dirp);
emptyList(arg);
qsort(list, i, sizeof(String), (int (*)(_Xconst void *,_Xconst void *))strqsortcmp);
if (dir != NULL) {
strcpy(arg->dirname, dir);
XtVaSetValues(arg->cwd_w, XtNlabel, dir, NULL);
}
XawListChange(arg->list, list, i, 0, True);
XtVaSetValues(arg->text, XtNstring, "", NULL);
sprintf(infoStr, "%d Directories, %d Files", dirCount, fileCount);
XtVaSetValues(arg->info, XtNlabel, infoStr, NULL);
if ((sb = XtNameToWidget(arg->scrollbar, "vertical")) != None) {
float top = 0.0;
XawScrollbarSetThumb(sb, top, -1.0);
XtCallCallbacks(sb, XtNjumpProc, (XtPointer)&top);
}
StateSetBusyWatch(False);
}
static void okCallback(Widget w, XtPointer argArg, XtPointer junk)
{
arg_t *arg = (arg_t *)argArg;
String str;
voidFunc f;
struct stat statbuf;
char *file;
char *cp;
char *nm;
XtVaGetValues(arg->text, XtNstring, &str, NULL);
if (str == NULL || *str == '\0') {
XawListReturnStruct *lr = XawListShowCurrent(arg->list);
if (lr->list_index == XAW_LIST_NONE)
return;
str = lr->string;
}
/*
** Got a valid string, check to see if it is a directory
** if not try and read/write the file.
*/
if ((file = doDirname(arg, str)) == NULL) {
Notice(w, "No such file or directory:\n %s",str);
return;
}
if (stat(file, &statbuf) >= 0 && (statbuf.st_mode & S_IFDIR) != 0) {
setCWD(arg, file);
return;
}
if ((cp = strrchr(file, '/')) != NULL) {
*cp = '\0';
if (stat(file, &statbuf) >= 0 && (statbuf.st_mode & S_IFDIR) != 0)
setCWD(arg, file);
*cp = '/';
}
arg->isPoped = False;
XtPopdown(GetShell(w));
if (arg->isSimple) {
arg->okFunc(arg->w, (XtPointer)arg->closure, (XtPointer)file);
return;
}
if (arg->isRead)
f = (voidFunc)RWtableGetReader(arg->type);
else
f = (voidFunc)RWtableGetWriter(arg->type);
if (arg->type != NULL && strcmp(nm = RWtableGetId(arg->type), MAGIC_READER) != 0)
lastId = (void*)nm;
else
lastId = NULL;
StateSetBusy(True);
if (arg->okFunc != NULL) {
if (!arg->isRead) {
arg->okFunc(arg->w, file, (XtPointer)f);
} else {
Image *image = ((RWreadFunc)f)(file);
if (image == NULL)
Notice(w, "Unable to open input file \"%s\"\n %s", file, RWGetMsg());
else
arg->okFunc(arg->w, (XtPointer)file, (XtPointer)image);
}
}
StateSetBusy(False);
}
static void cancelCallback(Widget w, XtPointer argArg, XtPointer junk)
{
arg_t *arg = (arg_t *)argArg;
arg->isPoped = False;
XtPopdown(GetShell(w));
}
static void listCallback(Widget bar, XtPointer argArg, XtPointer itemArg)
{
XawListReturnStruct *item = (XawListReturnStruct *)itemArg;
arg_t *arg = (arg_t *)argArg;
String str, label;
if (strncmp(item->string, "../", 3) == 0)
label = "../";
else
label = item->string;
XtVaGetValues(arg->text, XtNstring, &str, NULL);
if (strcmp(str, label) == 0)
okCallback(bar, argArg, NULL);
else
XtVaSetValues(arg->text, XtNstring, label, NULL);
}
static Widget buildBrowser(Widget parent, char *title, arg_t *arg)
{
static Boolean inited = False;
static XtTranslations trans, toglt;
Widget form;
Widget title_w, name, list, vport, cwd, info;
if (!inited) {
inited = True;
trans = XtParseTranslationTable("#override\n\
<Key>Return: no-op()\n\
<Key>Linefeed: no-op()\n\
Ctrl<Key>M: no-op()\n\
Ctrl<Key>J: no-op()\n");
toglt = XtParseTranslationTable("<BtnDown>,<BtnUp>: set() notify()");
}
#ifdef NOSTDHDRS
getwd(arg->dirname);
#else
getcwd(arg->dirname, sizeof(arg->dirname));
#endif
form = XtVaCreateManagedWidget("broswer",
formWidgetClass, parent,
XtNborderWidth, 0,
XtNright, XtChainRight,
XtNleft, XtChainLeft,
XtNtop, XtChainTop,
NULL);
title_w = XtVaCreateManagedWidget("title",
labelWidgetClass, form,
XtNborderWidth, 0,
XtNlabel, title,
XtNtop, XtChainTop,
XtNbottom, XtChainTop,
XtNjustify, XtJustifyLeft,
NULL);
name = XtVaCreateManagedWidget("name",
asciiTextWidgetClass, form,
XtNfromVert, title_w,
XtNeditType, XawtextEdit,
XtNwrap, XawtextWrapNever,
XtNresize, XawtextResizeWidth,
XtNtranslations, trans,
XtNbottom, XtChainTop,
XtNtop, XtChainTop,
XtNwidth, 250,
NULL);
vport = XtVaCreateManagedWidget("vport",
viewportWidgetClass, form,
XtNfromVert, name,
XtNtop, XtChainTop,
XtNbottom, XtChainBottom,
XtNallowVert, True,
XtNallowHoriz, True,
XtNuseBottom, True,
XtNuseRight, True,
XtNwidth, 250,
XtNheight, 200,
NULL);
list = XtVaCreateManagedWidget("files",
listWidgetClass, vport,
XtNborderWidth, 1,
XtNverticalList, True,
XtNforceColumns, True,
XtNdefaultColumns, 1,
XtNnumberStrings, 0,
NULL);
cwd = XtVaCreateManagedWidget("cwd",
labelWidgetClass, form,
XtNlabel, arg->dirname,
XtNborderWidth, 0,
XtNfromVert, vport,
XtNtop, XtChainBottom,
XtNbottom, XtChainBottom,
XtNjustify, XtJustifyLeft,
XtNresizable, True,
NULL);
info = XtVaCreateManagedWidget("info",
labelWidgetClass, form,
XtNborderWidth, 0,
XtNfromVert, cwd,
XtNtop, XtChainBottom,
XtNbottom, XtChainBottom,
XtNjustify, XtJustifyLeft,
NULL);
XtAddCallback(list, XtNcallback, listCallback, (XtPointer)arg);
arg->info = info;
arg->cwd_w = cwd;
arg->list = list;
arg->text = name;
arg->scrollbar = vport;
arg->first = True;
setCWD(arg, doDirname(arg, NULL));
return form;
}
static Widget buildOpenBroswer(Widget w, arg_t *arg)
{
Widget shell, browser, okButton, cancelButton, form;
Widget toggle, firstToggle = None;
XtAccelerators accel;
XtTranslations toglt;
int i;
char **list;
shell = XtVaCreatePopupShell("filebrowser",
transientShellWidgetClass, GetToplevel(w),
NULL);
form = XtVaCreateManagedWidget("form",
formWidgetClass, shell,
XtNborderWidth, 0,
NULL);
browser = buildBrowser(form, "Open File Named:", arg);
accel = XtParseAcceleratorTable("#override\n\
<Key>Return: set() notify() unset()\n\
<Key>Linefeed: set() notify() unset()");
okButton = XtVaCreateManagedWidget("ok",
commandWidgetClass, form,
XtNfromHoriz, browser,
XtNaccelerators, accel,
XtNbottom, XtChainTop,
XtNleft, XtChainRight,
XtNright, XtChainRight,
NULL);
cancelButton = XtVaCreateManagedWidget("cancel",
commandWidgetClass, form,
XtNfromHoriz, okButton,
XtNbottom, XtChainTop,
XtNleft, XtChainRight,
XtNright, XtChainRight,
NULL);
toggle = okButton;
toglt = XtParseTranslationTable("<BtnDown>,<BtnUp>: set() notify()");
list = RWtableGetReaderList();
for (i = 0; list[i] != NULL; i++) {
toggle = XtVaCreateManagedWidget(list[i],
toggleWidgetClass, form,
XtNtranslations, toglt,
XtNradioGroup, firstToggle,
XtNfromVert, toggle,
XtNfromHoriz, browser,
XtNtop, XtChainBottom,
XtNbottom, XtChainBottom,
XtNleft, XtChainRight,
XtNright, XtChainRight,
NULL);
if (firstToggle == None) {
arg->type = NULL;
XtVaSetValues(toggle, XtNstate, True,
XtNvertDistance, 100,
NULL);
firstToggle = toggle;
}
XtAddCallback(toggle, XtNcallback, fileTypeCallback, (XtPointer)arg);
}
arg->isSimple = False;
arg->isRead = True;
XtAddCallback(okButton, XtNcallback, okCallback, (XtPointer)arg);
XtAddCallback(cancelButton, XtNcallback, cancelCallback, (XtPointer)arg);
AddDestroyCallback(shell, (void (*)(Widget, void *, XEvent *))cancelCallback, (XtPointer)arg);
XtSetKeyboardFocus(form, arg->text);
XtInstallAccelerators(arg->text, okButton);
return shell;
}
static Widget buildSaveBroswer(Widget w, arg_t *arg)
{
Widget shell, browser, okButton, cancelButton, form;
Widget toggle, firstToggle = None;
XtAccelerators accel;
XtTranslations toglt;
int i;
char **list, *rdr = NULL;
shell = XtVaCreatePopupShell("filebrowser",
transientShellWidgetClass, GetToplevel(w),
NULL);
form = XtVaCreateManagedWidget("form",
formWidgetClass, shell,
XtNborderWidth, 0,
NULL);
browser = buildBrowser(form, "Save In File:", arg);
accel = XtParseAcceleratorTable("#override\n\
<Key>Return: set() notify() unset()\n\
<Key>Linefeed: set() notify() unset()");
okButton = XtVaCreateManagedWidget("ok",
commandWidgetClass, form,
XtNfromHoriz, browser,
XtNaccelerators, accel,
XtNbottom, XtChainTop,
NULL);
cancelButton = XtVaCreateManagedWidget("cancel",
commandWidgetClass, form,
XtNfromHoriz, okButton,
XtNbottom, XtChainTop,
NULL);
toggle = okButton;
toglt = XtParseTranslationTable("<BtnDown>,<BtnUp>: set() notify()");
list = RWtableGetWriterList();
if (RWtableGetWriter(GraphicGetReaderId(w)) != NULL) {
rdr = (char*)GraphicGetReaderId(w);
}
for (i = 0; list[i] != NULL; i++) {
toggle = XtVaCreateManagedWidget(list[i],
toggleWidgetClass, form,
XtNtranslations, toglt,
XtNradioGroup, firstToggle,
XtNfromVert, toggle,
XtNfromHoriz, browser,
XtNtop, XtChainBottom,
XtNbottom, XtChainBottom,
NULL);
if (firstToggle == None) {
arg->type = NULL;
XtVaSetValues(toggle, XtNvertDistance, 100, NULL);
firstToggle = toggle;
if (rdr == NULL)
XtVaSetValues(toggle, XtNstate, True, NULL);
}
if (rdr != NULL && strcmp(rdr, list[i]) == 0) {
arg->type = RWtableGetEntry(list[i]);
XtVaSetValues(toggle, XtNstate, True, NULL);
}
XtAddCallback(toggle, XtNcallback, fileTypeCallback, (XtPointer)arg);
}
arg->isSimple = False;
arg->isRead = False;
XtAddCallback(okButton, XtNcallback, okCallback, (XtPointer)arg);
XtAddCallback(cancelButton, XtNcallback, cancelCallback, (XtPointer)arg);
AddDestroyCallback(shell, (void (*)(Widget, void *, XEvent *))cancelCallback, (XtPointer)arg);
XtSetKeyboardFocus(form, arg->text);
XtInstallAccelerators(arg->text, okButton);
return shell;
}
static Widget buildSimpleBroswer(Widget w, arg_t *arg, Boolean isSave)
{
Widget shell, browser, okButton, cancelButton, form;
XtAccelerators accel;
shell = XtVaCreatePopupShell("filebrowser",
transientShellWidgetClass, GetToplevel(w),
NULL);
form = XtVaCreateManagedWidget("form",
formWidgetClass, shell,
XtNborderWidth, 0,
NULL);
browser = buildBrowser(form, isSave ? "Save In File:"
: "Load from File:"
, arg);
accel = XtParseAcceleratorTable("#override\n\
<Key>Return: set() notify() unset()\n\
<Key>Linefeed: set() notify() unset()");
okButton = XtVaCreateManagedWidget("ok",
commandWidgetClass, form,
XtNfromHoriz, browser,
XtNaccelerators, accel,
XtNbottom, XtChainTop,
NULL);
cancelButton = XtVaCreateManagedWidget("cancel",
commandWidgetClass, form,
XtNfromHoriz, okButton,
XtNbottom, XtChainTop,
NULL);
arg->isSimple = True;
XtAddCallback(okButton, XtNcallback, okCallback, (XtPointer)arg);
XtAddCallback(cancelButton, XtNcallback, cancelCallback, (XtPointer)arg);
AddDestroyCallback(shell, (void (*)(Widget, void *, XEvent *))cancelCallback, (XtPointer)arg);
XtSetKeyboardFocus(form, arg->text);
XtInstallAccelerators(arg->text, okButton);
return shell;
}
/*
**
**
*/
static arg_t *argList = NULL;
static void freeArg(Widget w, arg_t *arg)
{
arg_t *c = argList, **pp = &argList;
while (c != arg && c != NULL) {
pp = &c->next;
c = c->next;
}
*pp = arg->next;
XtDestroyWidget(GetShell(arg->text));
XtFree((XtPointer)arg);
}
static void *getArgType(Widget w)
{
arg_t *cur;
w = GetShell(w);
for (cur = argList; cur != NULL; cur = cur->next)
if (cur->parent == w &&
(cur->browserType == 0 ||
cur->browserType == 1))
break;
if (cur == NULL)
return NULL;
return cur->type;
}
static arg_t *getArg(Widget w, Boolean type, Boolean *built)
{
Widget shell, p = GetShell(w);
arg_t *cur;
*built = False;
for (cur = argList; cur != NULL; cur = cur->next)
if (p == cur->parent && cur->browserType == type)
return cur;
cur = XtNew(arg_t);
cur->parent = p;
cur->browserType = type;
switch (type) {
case 0:
shell = buildOpenBroswer(w, cur);
break;
case 1:
shell = buildSaveBroswer(w, cur);
break;
case 2:
shell = buildSimpleBroswer(w, cur, True);
break;
case 3:
shell = buildSimpleBroswer(w, cur, False);
break;
}
cur->next = argList;
argList = cur;
XtAddCallback(p, XtNdestroyCallback, (XtCallbackProc)freeArg, (XtPointer)cur);
*built = True;
return cur;
}
void GetFileName(Widget w, int type, char *def, XtCallbackProc okFunc, XtPointer data)
{
arg_t *arg;
Boolean built;
Position x,y;
XtVaGetValues(GetShell(w), XtNx, &x, XtNy, &y, NULL);
arg = getArg(w, type, &built);
arg->closure = data;
XtVaSetValues(GetShell(arg->text), XtNx, x + 24, XtNy, y + 24, NULL);
if (def != NULL && *def != '\0') {
char *cp, dirname[MAX_PATH];
strcpy(dirname, def);
cp = strrchr(dirname, '/');
if (cp != NULL && cp != dirname)
*cp++ = '\0';
else if (cp == NULL)
cp = dirname;
if (built)
setCWD(arg, doDirname(arg, dirname));
XtVaSetValues(arg->text, XtNstring, cp,
XtNinsertPosition, strlen(cp),
NULL);
} else if (!built) {
/*
** Rescan directory.
*/
setCWD(arg, NULL);
}
arg->okFunc = okFunc;
arg->w = w;
arg->isPoped = True;
XtPopup(GetShell(arg->text), XtGrabNone);
}