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xenocara/app/xedit/util.c
matthieu b44ff0aad7 xedit 1.1.1
2008-10-13 20:53:31 +00:00

996 lines
25 KiB
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/* $XConsortium: util.c,v 1.16 92/08/12 16:46:22 converse 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/util.c,v 1.26 2003/05/07 20:54:43 herrb Exp $ */
#include <stdio.h>
#include <stdarg.h>
#include <libgen.h> /* POSIX basename() */
#include <stdlib.h> /* for realpath() */
#include <errno.h> /* for ENOENT */
#include "xedit.h"
#include <X11/Xfuncs.h>
#include <X11/Xos.h> /* for types.h */
#include <sys/stat.h>
#include <X11/Xmu/CharSet.h>
#include <X11/Xaw/SmeBSB.h>
#include <X11/Xaw/SimpleMenu.h>
/*
* Prototypes
*/
static void SwitchSourceCallback(Widget, XtPointer, XtPointer);
static int WindowIndex(Widget);
static void ChangeTextWindow(Widget);
/*
* External
*/
extern void _XawTextShowPosition(TextWidget);
/*
* Initialization
*/
extern Widget scratch;
extern Widget vpanes[2], labels[3], texts[3], forms[3];
extern XawTextWrapMode wrapmodes[3];
#ifndef va_copy
# ifdef __va_copy
# define va_copy __va_copy
# else
# error "no working va_copy was found"
# endif
#endif
/*
* Implementation
*/
void
XeditPrintf(const char *format, ...)
{
static struct {
XawTextPosition last;
int size;
int length;
int repeat;
char *buffer;
} info;
size_t size;
va_list va;
XawTextBlock text;
XawTextPosition left, right;
char buffer[BUFSIZ];
char *string, rbuffer[32];
va_start(va, format);
size = vsnprintf(buffer, sizeof(buffer), format, va);
va_end(va);
/* Should never happen... */
if (size >= sizeof(buffer)) {
strcpy(buffer + sizeof(buffer) - 5, "...\n");
size = sizeof(buffer) - 1;
}
else if (size) {
left = right = XawTextSourceScan(XawTextGetSource(messwidget),
0, XawstAll, XawsdRight, 1, True);
if (left == info.last &&
info.buffer &&
strcmp(buffer, info.buffer) == 0) {
string = rbuffer;
if (info.repeat == 1)
left -= info.buffer[strlen(info.buffer) - 1] == '\n';
else
left -= info.length;
size = info.length = XmuSnprintf(rbuffer, sizeof(rbuffer),
" [%d times]\n", ++info.repeat);
}
else {
string = buffer;
if (size >= info.size)
info.buffer = XtMalloc(size + 1);
strcpy(info.buffer, buffer);
info.repeat = 1;
}
text.length = size;
text.ptr = string;
text.firstPos = 0;
text.format = FMT8BIT;
XawTextReplace(messwidget, left, right, &text);
info.last = left + text.length;
XawTextSetInsertionPoint(messwidget, info.last);
}
}
Widget
MakeCommandButton(Widget box, char *name, XtCallbackProc function)
{
Widget w = XtCreateManagedWidget(name, commandWidgetClass, box, NULL, ZERO);
if (function != NULL)
XtAddCallback(w, XtNcallback, function, (caddr_t) NULL);
else
XtVaSetValues(w, XtNsensitive, False, NULL);
return w;
}
Widget
MakeStringBox(Widget parent, String name, String string)
{
Arg args[5];
Cardinal numargs = 0;
Widget StringW;
XtSetArg(args[numargs], XtNeditType, XawtextEdit); numargs++;
XtSetArg(args[numargs], XtNstring, string); numargs++;
StringW = XtCreateManagedWidget(name, asciiTextWidgetClass,
parent, args, numargs);
return(StringW);
}
/* Function Name: GetString
* Description: retrieves the string from a asciiText widget.
* Arguments: w - the ascii text widget.
* Returns: the filename.
*/
String
GetString(Widget w)
{
String str;
Arg arglist[1];
XtSetArg(arglist[0], XtNstring, &str);
XtGetValues( w, arglist, ONE);
return(str);
}
/* Function Name: MaybeCreateFile
* Description: Checks to see if file exists, and if not, creates it.
* Arguments: file - name of file to check.
* Returns: permissions status
*/
FileAccess
MaybeCreateFile(char *file)
{
Boolean exists;
int fd;
if (access(file, F_OK) != 0) {
fd = creat(file, 0666);
if (fd != -1)
close(fd);
}
return(CheckFilePermissions(file, &exists));
}
FileAccess
CheckFilePermissions(char *file, Boolean *exists)
{
char temp[BUFSIZ], *ptr;
if (access(file, F_OK) == 0) {
*exists = TRUE;
if (access(file, R_OK) != 0)
return(NO_READ);
if (access(file, R_OK | W_OK) == 0)
return(WRITE_OK);
return(READ_OK);
}
*exists = FALSE;
strncpy(temp, file, sizeof(temp) - 1);
temp[sizeof(temp) - 1] = '\0';
if ( (ptr = rindex(temp, '/')) == NULL)
strcpy(temp, ".");
else
*ptr = '\0';
if (access(temp, R_OK | W_OK | X_OK) == 0)
return(WRITE_OK);
return(NO_READ);
}
xedit_flist_item *
AddTextSource(Widget source, char *name, char *filename, int flags,
FileAccess file_access)
{
xedit_flist_item *item;
char *wid_name;
item = (xedit_flist_item*)XtMalloc(sizeof(xedit_flist_item));
item->source = source;
item->name = XtNewString(name);
item->filename = XtNewString(filename);
item->flags = flags;
item->file_access = file_access;
item->display_position = item->insert_position = 0;
item->mode = 0;
item->mtime = 0;
item->properties = NULL;
item->xldata = NULL;
/* Try to load associated tags file */
SearchTagsFile(item);
flist.itens = (xedit_flist_item**)
XtRealloc((char*)flist.itens, sizeof(xedit_flist_item*)
* (flist.num_itens + 1));
flist.itens[flist.num_itens++] = item;
if (!flist.popup) {
flist.popup = XtCreatePopupShell("fileMenu", simpleMenuWidgetClass,
topwindow, NULL, 0);
/* XXX hack: this don't allow setting the geometry of the popup widget
* as it will override any settings when a menu entry is inserted
* or deleted, but saves us the trouble generated by a resource
* setting like: '*geometry: <width>x<height>'
*/
XtRealizeWidget(flist.popup);
}
if ((wid_name = strrchr(item->name, '/')) == NULL)
wid_name = item->name;
else
++wid_name;
item->sme = XtVaCreateManagedWidget(wid_name, smeBSBObjectClass,
flist.popup, XtNlabel, item->filename,
NULL, NULL);
XtAddCallback(item->sme, XtNcallback,
SwitchSourceCallback, (XtPointer)item);
SetTextProperties(item);
return (item);
}
Bool
KillTextSource(xedit_flist_item *item)
{
xedit_flist_item *nitem = NULL;
unsigned idx, i;
Arg targs[3];
Cardinal tnum_args;
Arg largs[2];
Cardinal lnum_args;
char label_buf[BUFSIZ];
for (idx = 0; idx < flist.num_itens; idx++)
if (flist.itens[idx] == item) {
if (idx + 1 < flist.num_itens)
nitem = flist.itens[idx + 1];
else if (idx >= 1)
nitem = flist.itens[idx - 1];
break;
}
if (idx >= flist.num_itens)
return (False);
flist.current = nitem;
if (item == flist.other)
flist.other = NULL;
if (nitem->file_access == READ_OK)
XmuSnprintf(label_buf, sizeof(label_buf), "%s READ ONLY",
nitem->name);
else if (nitem->file_access == WRITE_OK)
XmuSnprintf(label_buf, sizeof(label_buf), "%s Read - Write",
nitem->name);
lnum_args = 0;
XtSetArg(largs[lnum_args], XtNlabel, label_buf); ++lnum_args;
if (nitem->flags & CHANGED_BIT)
XtSetArg(largs[lnum_args], XtNleftBitmap, flist.pixmap);
else
XtSetArg(largs[lnum_args], XtNleftBitmap, None);
++lnum_args;
tnum_args = 0;
XtSetArg(targs[tnum_args], XtNtextSource,
nitem->source); ++tnum_args;
XtSetArg(targs[tnum_args], XtNdisplayPosition,
nitem->display_position); ++tnum_args;
XtSetArg(targs[tnum_args], XtNinsertPosition,
nitem->insert_position); ++tnum_args;
for (i = 0; i < 3; i++)
if (XawTextGetSource(texts[i]) == item->source) {
XtSetValues(labels[i], largs, lnum_args);
XawTextDisableRedisplay(texts[i]);
XtSetValues(texts[i], targs, tnum_args);
UpdateTextProperties(0);
_XawTextShowPosition((TextWidget)texts[i]);
XawTextEnableRedisplay(texts[i]);
if (texts[i] == textwindow) {
Arg args[1];
if (nitem->source != scratch)
XtSetArg(args[0], XtNstring, nitem->name);
else
XtSetArg(args[0], XtNstring, NULL);
XtSetValues(filenamewindow, args, 1);
}
}
UnsetTextProperties(item);
XtFree(item->name);
XtFree(item->filename);
XtDestroyWidget(item->sme);
XtDestroyWidget(item->source);
XtFree((char*)item);
if (idx < flist.num_itens - 1)
memmove(&flist.itens[idx], &flist.itens[idx + 1],
(flist.num_itens - idx) * sizeof(xedit_flist_item*));
--flist.num_itens;
return (True);
}
xedit_flist_item *
FindTextSource(Widget source, char *filename)
{
unsigned i;
if (source) {
for (i = 0; i < flist.num_itens; i++)
if (flist.itens[i]->source == source)
return (flist.itens[i]);
}
else if (filename) {
for (i = 0; i < flist.num_itens; i++)
if (strcmp(flist.itens[i]->filename, filename) == 0)
return (flist.itens[i]);
}
return (NULL);
}
void
SwitchTextSource(xedit_flist_item *item)
{
Arg args[4];
Cardinal num_args;
char label_buf[BUFSIZ];
xedit_flist_item *old_item =
FindTextSource(XawTextGetSource(textwindow), NULL);
int i;
if (old_item != item)
flist.other = old_item;
flist.current = item;
XawTextDisableRedisplay(textwindow);
if (item->file_access == READ_OK)
XmuSnprintf(label_buf, sizeof(label_buf), "%s READ ONLY",
item->name);
else if (item->file_access == WRITE_OK)
XmuSnprintf(label_buf, sizeof(label_buf), "%s Read - Write",
item->name);
num_args = 0;
XtSetArg(args[num_args], XtNlabel, label_buf); ++num_args;
if (item->flags & CHANGED_BIT)
XtSetArg(args[num_args], XtNleftBitmap, flist.pixmap);
else
XtSetArg(args[num_args], XtNleftBitmap, None);
++num_args;
XtSetValues(labelwindow, args, num_args);
for (i = 0; i < 3; i++)
if (XawTextGetSource(texts[i]) == item->source
&& XtIsManaged(texts[i]))
break;
if (i < 3) {
num_args = 0;
XtSetArg(args[num_args], XtNdisplayPosition,
&(item->display_position)); ++num_args;
XtSetArg(args[num_args], XtNinsertPosition,
&(item->insert_position)); ++num_args;
XtGetValues(texts[i], args, num_args);
}
if (old_item != item) {
int count, idx = 0;
num_args = 0;
XtSetArg(args[num_args], XtNdisplayPosition,
&(old_item->display_position)); ++num_args;
XtSetArg(args[num_args], XtNinsertPosition,
&(old_item->insert_position)); ++num_args;
XtGetValues(textwindow, args, num_args);
for (count = 0, i = 0; i < 3; i++)
if (XawTextGetSource(texts[i]) == old_item->source
&& XtIsManaged(texts[i])) {
if (++count > 1)
break;
idx = i;
}
if (count == 1) {
num_args = 0;
XtSetArg(args[num_args], XtNdisplayPosition,
&(old_item->display_position)); ++num_args;
XtSetArg(args[num_args], XtNinsertPosition,
&(old_item->insert_position)); ++num_args;
XtGetValues(texts[idx], args, num_args);
}
}
num_args = 0;
XtSetArg(args[num_args], XtNtextSource, item->source); ++num_args;
XtSetArg(args[num_args], XtNdisplayPosition, item->display_position);
++num_args;
XtSetArg(args[num_args], XtNinsertPosition, item->insert_position);
++num_args;
if (item->flags & WRAP_BIT)
XtSetArg(args[num_args], XtNwrap, item->wrap);
else
XtSetArg(args[num_args], XtNwrap, wrapmodes[WindowIndex(textwindow)]);
++num_args;
XtSetValues(textwindow, args, num_args);
UpdateTextProperties(0);
_XawTextShowPosition((TextWidget)textwindow);
XawTextEnableRedisplay(textwindow);
num_args = 0;
if (item->source != scratch) {
XtSetArg(args[num_args], XtNstring, item->name); ++num_args;
}
else {
XtSetArg(args[num_args], XtNstring, NULL); ++num_args;
}
XtSetValues(filenamewindow, args, num_args);
/* 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);
}
char *
ResolveName(char *filename)
{
#ifndef __UNIXOS2__
static char *name;
char *result, *tmp = name;
#endif
if (filename == NULL)
filename = GetString(filenamewindow);
#ifndef __UNIXOS2__
/* Ensure not passing the same pointer again to realpath */
name = XtMalloc(BUFSIZ);
XtFree(tmp);
result = realpath(filename, name);
if (result == NULL && errno == ENOENT) {
int length;
char *dir, *file;
length = strlen(filename);
tmp = dir = XtMalloc(length + 1);
strcpy(dir, filename);
file = basename(filename);
dir = dirname(tmp);
/* Creating a new file? */
if (dir && file && strcmp(dir, file) &&
access(dir, F_OK) == 0 &&
(result = realpath(dir, name)) == name) {
int length = strlen(result);
XmuSnprintf(result + length, BUFSIZ - length, "%s%s",
dir[length - 1] == '/' ? "" : "/", file);
}
XtFree(tmp);
}
return (result);
#else
return filename;
#endif
}
static void
ChangeTextWindow(Widget w)
{
Arg args[1];
if (textwindow != w) {
xedit_flist_item *other, *current;
other = FindTextSource(XawTextGetSource(textwindow), NULL);
current = FindTextSource(XawTextGetSource(w), NULL);
if (other != current)
flist.other = other;
if (current)
flist.current = current;
XtSetArg(args[0], XtNdisplayCaret, False);
XtSetValues(textwindow, args, 1);
XtSetArg(args[0], XtNdisplayCaret, True);
XtSetValues(w, args, 1);
XawTextUnsetSelection(textwindow);
textwindow = w;
}
}
/*ARGSUSED*/
void
XeditFocus(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
Arg args[1];
xedit_flist_item *item;
int idx = WindowIndex(w);
XtSetKeyboardFocus(topwindow, w);
ChangeTextWindow(w);
labelwindow = labels[idx];
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);
line_edit = False;
}
void
PopupMenu(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
Cardinal n_params = num_params ? *num_params : 0;
if (*num_params && XmuCompareISOLatin1(*params, "editMenu") == 0)
SetEditMenu();
XtCallActionProc(w, "XawPositionSimpleMenu", event, params, n_params);
XtCallActionProc(w, "XtMenuPopup", event, params, n_params);
}
/*ARGSUSED*/
static void
SwitchSourceCallback(Widget entry, XtPointer client_data, XtPointer call_data)
{
SwitchTextSource((xedit_flist_item*)client_data);
}
static int
WindowIndex(Widget w)
{
int i;
for (i = 0; i < 3; i++)
if (texts[i] == w)
return (i);
return (-1);
}
void
DeleteWindow(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
Widget unmanage[2];
int idx = WindowIndex(w), uidx;
Bool current = False;
if (*num_params == 1 && (*params[0] == 'd' || *params[0] == 'D')) {
if (XtIsManaged(XtParent(dirwindow)))
SwitchDirWindow(False);
return;
}
if (idx < 0 || (!XtIsManaged(texts[1]) && !XtIsManaged(texts[2]))) {
Feep();
return;
}
if (num_params && *num_params == 1 &&
(*params[0] == 'o' || *params[0] == 'O'))
current = True;
uidx = XtIsManaged(texts[1]) ? 1 : 2;
unmanage[0] = forms[uidx];
unmanage[1] = texts[uidx];
XtUnmanageChildren(unmanage, 2);
if (!XtIsManaged(texts[2]))
XtUnmanageChild(vpanes[1]);
if ((!current && idx == 0) || (current && idx != 0)) {
Arg args[4];
Cardinal num_args;
String label_str;
Pixmap label_pix;
XawTextPosition d_pos, i_pos;
Widget source;
xedit_flist_item *item;
num_args = 0;
XtSetArg(args[num_args], XtNlabel, &label_str); ++num_args;
XtSetArg(args[num_args], XtNleftBitmap, &label_pix); ++num_args;
XtGetValues(labels[current ? idx : uidx], args, num_args);
num_args = 0;
XtSetArg(args[num_args], XtNlabel, label_str); ++num_args;
XtSetArg(args[num_args], XtNleftBitmap, label_pix); ++num_args;
XtSetValues(labels[0], args, num_args);
num_args = 0;
XtSetArg(args[num_args], XtNdisplayPosition, &d_pos); ++num_args;
XtSetArg(args[num_args], XtNinsertPosition, &i_pos); ++num_args;
XtSetArg(args[num_args], XtNtextSource, &source); ++num_args;
XtGetValues(texts[current ? idx : uidx], args, num_args);
num_args = 0;
XtSetArg(args[num_args], XtNdisplayPosition, d_pos); ++num_args;
XtSetArg(args[num_args], XtNinsertPosition, i_pos); ++num_args;
XtSetArg(args[num_args], XtNtextSource, source); ++num_args;
item = FindTextSource(source, NULL);
if (item && (item->flags & WRAP_BIT))
XtSetArg(args[num_args], XtNwrap, item->wrap);
else
XtSetArg(args[num_args], XtNwrap,
wrapmodes[WindowIndex(texts[current ? idx : uidx])]);
XtSetValues(texts[0], args, num_args);
UpdateTextProperties(0);
}
labelwindow = labels[0];
XeditFocus(texts[0], NULL, NULL, NULL);
}
void
SwitchSource(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
int idx = WindowIndex(w);
Widget source;
int i;
if (idx < 0 || textwindow != texts[idx]) {
Feep();
return;
}
source = XawTextGetSource(textwindow);
for (i = 0; i < flist.num_itens; i++)
if (flist.itens[i]->source == source) {
if (i > 0 && i == flist.num_itens - 1)
i = 0;
else if (i < flist.num_itens - 1)
++i;
else {
Feep();
return;
}
break;
}
if (i >= flist.num_itens) {
Feep();
return;
}
SwitchTextSource(flist.itens[i]);
}
void
OtherWindow(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
int oidx, idx = WindowIndex(w);
if (idx < 0 || (!XtIsManaged(texts[1]) && !XtIsManaged(texts[2]))) {
Feep();
return;
}
if (idx == 0)
oidx = XtIsManaged(texts[1]) ? 1 : 2;
else
oidx = 0;
XeditFocus(texts[oidx], event, params, num_params);
}
void
SplitWindow(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
Arg args[6];
Cardinal num_args;
Widget nlabel, ntext, source, sink, manage[2];
Dimension width, height, bw;
XawTextPosition i_pos, d_pos;
String label_str;
Pixmap label_pix;
int idx = WindowIndex(w), dimension;
Bool vert = True;
xedit_flist_item *item;
if (num_params && *num_params == 1
&& (*params[0] == 'h' || *params[0] == 'H'))
vert = False;
if (idx < 0
|| (vert && XtIsManaged(texts[1]))
|| (!vert && XtIsManaged(vpanes[1]))) {
Feep();
return;
}
if (vert) {
nlabel = labels[1];
ntext = texts[1];
}
else {
nlabel = labels[2];
ntext = texts[2];
}
ChangeTextWindow(texts[idx]);
labelwindow = labels[idx];
num_args = 0;
XtSetArg(args[num_args], XtNinsertPosition, &i_pos); ++num_args;
XtSetArg(args[num_args], XtNdisplayPosition, &d_pos); ++num_args;
XtSetArg(args[num_args], XtNtextSource, &source); ++num_args;
XtSetArg(args[num_args], XtNtextSink, &sink); ++num_args;
XtSetArg(args[num_args], XtNwidth, &width); ++num_args;
XtSetArg(args[num_args], XtNheight, &height); ++num_args;
XtGetValues(w, args, num_args);
num_args = 0;
XtSetArg(args[num_args], XtNinternalBorderWidth, &bw); ++num_args;
XtGetValues(XtParent(w), args, num_args);
if (vert) {
dimension = (int)height - (((int)bw) << 1);
num_args = 0;
XtSetArg(args[num_args], XtNheight, &height); ++num_args;
XtGetValues(labelwindow, args, num_args);
dimension -= (int)height;
}
else
dimension = (int)width - (int)bw;
dimension >>= 1;
if (dimension <= 0 || dimension < XawTextSinkMaxHeight(sink, 3)) {
Feep();
return;
}
num_args = 0;
XtSetArg(args[num_args], XtNlabel, &label_str); ++num_args;
XtSetArg(args[num_args], XtNleftBitmap, &label_pix); ++num_args;
XtGetValues(labelwindow, args, num_args);
if (vert) {
if (XtIsManaged(texts[2])) {
manage[0] = forms[2];
manage[1] = texts[2];
XtUnmanageChildren(manage, 2);
XtUnmanageChild(vpanes[1]);
}
}
else {
if (XtIsManaged(texts[1])) {
manage[0] = forms[1];
manage[1] = texts[1];
XtUnmanageChildren(manage, 2);
}
}
XawTextDisableRedisplay(texts[0]);
XawTextDisableRedisplay(ntext);
if (textwindow == texts[1] || textwindow == texts[2]) {
num_args = 0;
XtSetArg(args[num_args], XtNdisplayPosition, d_pos); ++num_args;
XtSetArg(args[num_args], XtNinsertPosition, i_pos); ++num_args;
XtSetArg(args[num_args], XtNtextSource, source); ++num_args;
ChangeTextWindow(texts[0]);
XtSetValues(textwindow, args, num_args);
XtSetKeyboardFocus(topwindow, textwindow);
num_args = 0;
XtSetArg(args[num_args], XtNlabel, label_str); ++num_args;
XtSetArg(args[num_args], XtNleftBitmap, label_pix); ++num_args;
XtSetValues(labelwindow = labels[0], args, num_args);
}
num_args = 0;
XtSetArg(args[num_args], XtNlabel, label_str); ++num_args;
XtSetArg(args[num_args], XtNleftBitmap, label_pix); ++num_args;
XtSetValues(nlabel, args, num_args);
num_args = 0;
XtSetArg(args[num_args], XtNmin, dimension); ++num_args;
XtSetArg(args[num_args], XtNmax, dimension); ++num_args;
if (!vert)
XtSetValues(vpanes[1], args, num_args);
else
XtSetValues(ntext, args, num_args);
manage[0] = XtParent(nlabel);
manage[1] = ntext;
XtManageChildren(manage, 2);
if (!vert)
XtManageChild(vpanes[1]);
num_args = 0;
XtSetArg(args[num_args], XtNmin, 1); ++num_args;
XtSetArg(args[num_args], XtNmax, 65535); ++num_args;
if (!vert) {
XtSetValues(vpanes[1], args, num_args);
num_args = 0;
}
XtSetArg(args[num_args], XtNtextSource, source); ++num_args;
XtSetArg(args[num_args], XtNdisplayPosition, d_pos); ++num_args;
XtSetArg(args[num_args], XtNinsertPosition, i_pos); ++num_args;
item = FindTextSource(source, NULL);
if (item && (item->flags & WRAP_BIT))
XtSetArg(args[num_args], XtNwrap, item->wrap);
else
XtSetArg(args[num_args], XtNwrap, wrapmodes[WindowIndex(ntext)]);
++num_args;
XtSetValues(ntext, args, num_args);
UpdateTextProperties(0);
_XawTextShowPosition((TextWidget)textwindow);
_XawTextShowPosition((TextWidget)ntext);
XawTextEnableRedisplay(textwindow);
XawTextEnableRedisplay(ntext);
}
void
SwitchDirWindow(Bool show)
{
static int map; /* There must be one instance of this
* variable per top level window */
Widget manage[2];
if (!show && XtIsManaged(XtParent(dirwindow))) {
manage[0] = dirlabel;
manage[1] = XtParent(dirwindow);
XtUnmanageChildren(manage, 2);
XtUnmanageChild(vpanes[1]);
XtManageChild(vpanes[0]);
if (map == 2) {
Arg args[2];
Dimension width, bw;
XtSetArg(args[0], XtNwidth, &width);
XtGetValues(texts[0], args, 1);
XtSetArg(args[0], XtNinternalBorderWidth, &bw);
XtGetValues(XtParent(texts[0]), args, 1);
width = (width - bw) >> 1;
XtSetArg(args[0], XtNmin, width);
XtSetArg(args[0], XtNmax, width);
XtSetValues(vpanes[0], args, 1);
manage[0] = forms[2];
manage[1] = texts[2];
XtManageChildren(manage, 2);
XtManageChild(vpanes[1]);
XtSetArg(args[0], XtNmin, 1);
XtSetArg(args[0], XtNmax, 65535);
XtSetValues(vpanes[0], args, 1);
}
}
else if (show && !XtIsManaged(XtParent(dirwindow))) {
XtUnmanageChild(vpanes[0]);
if (XtIsManaged(texts[2])) {
manage[0] = forms[2];
manage[1] = texts[2];
XtUnmanageChildren(manage, 2);
map = 2;
}
else {
map = XtIsManaged(texts[1]);
XtManageChild(vpanes[1]);
}
manage[0] = dirlabel;
manage[1] = XtParent(dirwindow);
XtManageChildren(manage, 2);
}
}
/*ARGSUSED*/
void
DirWindow(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
Arg args[1];
char path[BUFSIZ + 1], *dir;
if (XtIsManaged(XtParent(dirwindow)))
return;
if (*num_params == 1) {
strncpy(path, params[0], sizeof(path) - 2);
path[sizeof(path) - 2] = '\0';
}
else {
char *slash;
xedit_flist_item *item = FindTextSource(XawTextGetSource(textwindow), NULL);
if (item == NULL || item->source == scratch
|| (slash = rindex(item->filename, '/')) == NULL)
strcpy(path, "./");
else {
int len = slash - item->filename + 1;
if (len > sizeof(path) - 2)
len = sizeof(path) - 2;
strncpy(path, item->filename, len);
path[len] = '\0';
}
}
dir = ResolveName(path);
if (dir != NULL) {
strncpy(path, dir, sizeof(path) - 2);
path[sizeof(path) - 2] = '\0';
if (*path && path[strlen(path) - 1] != '/')
strcat(path, "/");
XtSetArg(args[0], XtNlabel, "");
XtSetValues(dirlabel, args, 1);
SwitchDirWindow(True);
DirWindowCB(dirwindow, path, NULL);
}
else
Feep();
}
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