/***************************************************************************/
/***************************************************************************/
/* */
/* (c) 1995-1999. The Regents of the University of California. All */
/* rights reserved. */
/* */
/* This work was produced at the University of California, Lawrence */
/* Livermore National Laboratory (UC LLNL) under contract no. */
/* W-7405-ENG-48 (Contract 48) between the U.S. Department of Energy */
/* (DOE) and The Regents of the University of California (University) */
/* for the operation of UC LLNL. Copyright is reserved to the */
/* University for purposes of controlled dissemination, */
/* commercialization through formal licensing, or other disposition */
/* under terms of Contract 48; DOE policies, regulations and orders; */
/* and U.S. statutes. The rights of the Federal Government are */
/* reserved under Contract 48 subject to the restrictions agreed upon */
/* by the DOE and University. */
/* */
/* */
/* DISCLAIMER */
/* */
/* This software was prepared as an account of work sponsored by an */
/* agency of the United States Government. Neither the United States */
/* Government nor the University of California nor any of their */
/* employees, makes any warranty, express or implied, or assumes any */
/* liability or responsibility for the accuracy, completeness, or */
/* usefulness of any information, apparatus, product, or process */
/* disclosed, or represents that its specific commercial products, */
/* process, or service by trade name, trademark, manufacturer, or */
/* otherwise, does not necessarily constitute or imply its */
/* endorsement, recommendation, or favoring by the United States */
/* Government or the University of California. The views and opinions */
/* of the authors expressed herein do not necessarily state or reflect */
/* those of the United States Government or the University of */
/* California, and shall not be used for advertising or product */
/* endorsement purposes. */
/* */
/* Permission to use, copy, modify and distribute this software and its */
/* documentation for any non-commercial purpose, without fee, is */
/* hereby granted, provided that the above copyright notice and this */
/* permission notice appear in all copies of the software and */
/* supporting documentation, and that all UC LLNL identification in */
/* the user interface remain unchanged. The title to copyright LLNL */
/* XDIR shall at all times remain with The Regents of the University */
/* of California and users agree to preserve same. Users seeking the */
/* right to make derivative works with LLNL XDIR for commercial */
/* purposes may obtain a license from the Lawrence Livermore National */
/* Laboratory's Technology Transfer Office, P.O. Box 808, L-795, */
/* Livermore, CA 94550. */
/* */
/***************************************************************************/
/***************************************************************************/
#include <Xm/PushBG.h>
#include "xdir.h"
struct file_viewer_st {
char *name;
int indx;
Widget w_shell;
struct file_viewer_st *prev;
struct file_viewer_st *next;
};
static struct file_viewer_st *tail_file_viewers = NULL;
static struct file_viewer_st *head_file_viewers = NULL;
extern struct dirwin_st *dirwin_head;
extern Display *display;
extern int screen;
void cb_popup_file_viewer();
void update_viewed_files_menus();
void update_viewed_files_menu();
/*
* manage_file_viewer - Added the indicated internal file viewer to the list
* of viewers to be managed. "name" is the name of the
* file and "w_shell" is the widget id of the viewer's
* shell.
*/
void
manage_file_viewer(name, w_shell)
char *name;
Widget w_shell;
{
struct file_viewer_st *ptr;
struct file_viewer_st *p;
int retval;
int indx;
char *title;
/* Find position in list to add viewer */
indx = 1;
ptr = head_file_viewers;
while (ptr) {
retval = strcmp(name, ptr->name);
if (retval < 0)
break;
else if (retval == 0) {
while (ptr && !strcmp(name, ptr->name) && (indx == ptr->indx)) {
indx++;
ptr = ptr->next;
}
break;
} else
ptr = ptr->next;
}
/* Allocate node for viewer */
p = XtNew(struct file_viewer_st);
p->name = XtNewString(name);
p->indx = indx;
p->w_shell = w_shell;
/* Insert viewer into list */
if (ptr) {
p->prev = ptr->prev;
p->next = ptr;
if (ptr->prev)
ptr->prev->next = p;
else
head_file_viewers = p;
ptr->prev = p;
} else { /* Add to tail */
if (tail_file_viewers)
tail_file_viewers->next = p;
else
head_file_viewers = p;
p->prev = tail_file_viewers;
p->next = NULL;
tail_file_viewers = p;
}
/* Update viewer's title bar with file name */
if (indx == 1)
title = XtNewString(name);
else {
title = XtMalloc(strlen(name)+10);
sprintf(title, "%s <%d>", name, indx);
}
XtVaSetValues(w_shell, XmNtitle, title, NULL);
XtFree(title);
/* Update "Viewed Files" menus */
update_viewed_files_menus();
}
/*
* unmanage_file_viewer - Remove the indicated internal file viewer from
* the list of viewers to be managed. "w_shell"
* is the widget id of the viewer's shell.
*/
void
unmanage_file_viewer(w_shell)
Widget w_shell;
{
struct file_viewer_st *ptr;
ptr = head_file_viewers;
while (ptr) {
if (w_shell == ptr->w_shell) {
if (ptr->next)
ptr->next->prev = ptr->prev;
else
tail_file_viewers = ptr->prev;
if (ptr->prev)
ptr->prev->next = ptr->next;
else
head_file_viewers = ptr->next;
XtFree(ptr->name);
XtFree((char *)ptr);
update_viewed_files_menus();
return;
}
ptr = ptr->next;
}
/* Sanity check */
fatal_error("Bug in unmanage_file_viewer()");
}
/*
* initialize_viewed_files_menu - Initialize the "Viewed Files" menu by
* creating a bunch of placeholder menu
* items.
*/
void
initialize_viewed_files_menu(dirwin)
struct dirwin_st *dirwin;
{
XmString string;
int i;
Widget w_pulldown;
/* Get pulldown menu */
XtVaGetValues(dirwin->w_viewedFilesMenu, XmNsubMenuId, &w_pulldown, NULL);
/* Now create the menu items, but leave them unmanaged */
string = XmStringCreateSimple("Dummy");
for (i=0; i<MAXVIEWERS; i++) {
dirwin->w_viewedFilesMenuItem[i] = XtVaCreateWidget(
"",
xmPushButtonGadgetClass,
w_pulldown,
XmNlabelString, string,
NULL
);
XtAddCallback(dirwin->w_viewedFilesMenuItem[i], XmNactivateCallback,
cb_popup_file_viewer, (XtPointer)NULL);
}
XmStringFree(string);
}
/*
* update_viewed_files_menus - Update the "Viewed Files" menu in each of
* directory windows.
*/
void
update_viewed_files_menus()
{
struct dirwin_st *dirwin;
dirwin = dirwin_head;
while (dirwin) {
update_viewed_files_menu(dirwin);
dirwin = dirwin->next;
}
}
/*
* update_viewed_files_menu - Update the "Viewed Files" menu in the
* specified directory window.
*/
void
update_viewed_files_menu(dirwin)
struct dirwin_st *dirwin;
{
int i;
XmString label;
struct file_viewer_st *ptr;
char *name;
/* Get rid of current menu items */
for (i=0; i<MAXVIEWERS; i++)
XtUnmanageChild(dirwin->w_viewedFilesMenuItem[i]);
/* Set sensitivity of "Viewed Files" menu */
if (head_file_viewers)
XtSetSensitive(dirwin->w_viewedFilesMenu, True);
else
XtSetSensitive(dirwin->w_viewedFilesMenu, False);
/* Enter file viewer names into menu */
i = 0;
ptr = head_file_viewers;
while (ptr) {
if (ptr->indx == 1)
name = XtNewString(ptr->name);
else {
name = XtMalloc(strlen(ptr->name)+10);
sprintf(name, "%s <%d>", ptr->name, ptr->indx);
}
label = XmStringCreateSimple(name);
XtFree(name);
XtVaSetValues(dirwin->w_viewedFilesMenuItem[i],
XmNlabelString, label,
XmNuserData, (XtPointer)ptr->w_shell,
NULL
);
XmStringFree(label);
XtManageChild(dirwin->w_viewedFilesMenuItem[i]);
i++;
ptr = ptr->next;
}
}
/*
* cb_popup_file_viewer - Callback to pop file viewer window to top.
*/
void
cb_popup_file_viewer(widget, client_data, call_data)
Widget widget;
XtPointer client_data;
XtPointer call_data;
{
Widget w_shell;
/* Start operation */
if (!start_op(False))
return;
/* Clear error flag */
raise_okflag();
XtVaGetValues(widget, XmNuserData, &w_shell, NULL);
XMapRaised(display, XtWindow(w_shell));
/* End operation */
end_op();
}
/*
* number_of_internal_viewers - Returns the number of internal viewers in
* use.
*/
number_of_internal_viewers()
{
int count = 0;
struct file_viewer_st *ptr;
ptr = head_file_viewers;
while (ptr) {
count++;
ptr = ptr->next;
}
return count;
}
/*
* iconify_file_viewer_windows - Iconify each file viewer window.
*/
void
iconify_file_viewer_windows()
{
struct file_viewer_st *ptr;
ptr = head_file_viewers;
while (ptr) {
XIconifyWindow(display, XtWindow(ptr->w_shell), screen);
ptr = ptr->next;
}
}
/*
* deiconify_file_viewer_windows - Deiconify each file viewer window.
*/
void
deiconify_file_viewer_windows()
{
struct file_viewer_st *ptr;
ptr = head_file_viewers;
while (ptr) {
XMapWindow(display, XtWindow(ptr->w_shell));
ptr = ptr->next;
}
}
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