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d2affc1ee3ed313f6688c43dcd88a9b58a3ec1fa
nethack/win/X11/winmenu.c
PatR d2affc1ee3 X11 menu searching 
I was experimenting with some potential changes to menu searching but
have not been satisfied with the result.  However, this bit of code
consolidation is worthwhile regardless of that.
2018-11-14 17:26:10 -08:00

1335 lines
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/* NetHack 3.6 winmenu.c $NHDT-Date: 1542245161 2018/11/15 01:26:01 $ $NHDT-Branch: NetHack-3.6.2-beta01 $:$NHDT-Revision: 1.33 $ */
/* Copyright (c) Dean Luick, 1992 */
/* NetHack may be freely redistributed. See license for details. */
/*
* File for creating menus.
*
* + Global functions: start_menu, add_menu, end_menu, select_menu
*/
#ifndef SYSV
#define PRESERVE_NO_SYSV /* X11 include files may define SYSV */
#endif
#include <X11/Xresource.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Shell.h>
#include <X11/Xatom.h>
#include <X11/Xaw/Label.h>
#include <X11/Xaw/Command.h>
#include <X11/Xaw/Viewport.h>
#include <X11/Xaw/Cardinals.h>
#include <X11/Xaw/Scrollbar.h>
#include <X11/Xaw/Box.h>
#include <X11/Xos.h>
#ifdef PRESERVE_NO_SYSV
#ifdef SYSV
#undef SYSV
#endif
#undef PRESERVE_NO_SYSV
#endif
#include "hack.h"
#include "winX.h"
static void FDECL(menu_size_change_handler, (Widget, XtPointer,
XEvent *, Boolean *));
static void FDECL(menu_select, (Widget, XtPointer, XtPointer));
static void FDECL(invert_line, (struct xwindow *, x11_menu_item *, int, long));
static void FDECL(menu_ok, (Widget, XtPointer, XtPointer));
static void FDECL(menu_cancel, (Widget, XtPointer, XtPointer));
static void FDECL(menu_all, (Widget, XtPointer, XtPointer));
static void FDECL(menu_none, (Widget, XtPointer, XtPointer));
static void FDECL(menu_invert, (Widget, XtPointer, XtPointer));
static void FDECL(menu_search, (Widget, XtPointer, XtPointer));
static void FDECL(search_menu, (struct xwindow *));
static void FDECL(select_all, (struct xwindow *));
static void FDECL(select_none, (struct xwindow *));
static void FDECL(select_match, (struct xwindow *, char *));
static void FDECL(invert_all, (struct xwindow *));
static void FDECL(invert_match, (struct xwindow *, char *));
static void FDECL(menu_popdown, (struct xwindow *));
static Widget FDECL(menu_create_buttons, (struct xwindow *, Widget, Widget));
static void FDECL(menu_create_entries, (struct xwindow *, struct menu *));
static void FDECL(destroy_menu_entry_widgets, (struct xwindow *));
static void NDECL(create_menu_translation_tables);
static void FDECL(move_menu, (struct menu *, struct menu *));
static void FDECL(free_menu_line_entries, (struct menu *));
static void FDECL(free_menu, (struct menu *));
static void FDECL(reset_menu_to_default, (struct menu *));
static void FDECL(clear_old_menu, (struct xwindow *));
static char *FDECL(copy_of, (const char *));
#define reset_menu_count(mi) ((mi)->counting = FALSE, (mi)->menu_count = 0L)
static const char menu_translations[] = "#override\n\
<Key>Left: scroll(4)\n\
<Key>Right: scroll(6)\n\
<Key>Up: scroll(8)\n\
<Key>Down: scroll(2)\n\
<Btn4Down>: scroll(8)\n\
<Btn5Down>: scroll(2)\n\
<Key>: menu_key()";
static const char menu_entry_translations[] = "#override\n\
<Btn4Down>: scroll(8)\n\
<Btn5Down>: scroll(2)";
XtTranslations menu_entry_translation_table = (XtTranslations) 0;
XtTranslations menu_translation_table = (XtTranslations) 0;
XtTranslations menu_del_translation_table = (XtTranslations) 0;
static void
create_menu_translation_tables()
{
if (!menu_translation_table) {
menu_translation_table = XtParseTranslationTable(menu_translations);
menu_entry_translation_table
= XtParseTranslationTable(menu_entry_translations);
menu_del_translation_table
= XtParseTranslationTable("<Message>WM_PROTOCOLS: menu_delete()");
}
}
/*ARGSUSED*/
static void
menu_size_change_handler(w, ptr, event, flag)
Widget w;
XtPointer ptr;
XEvent *event;
Boolean *flag;
{
struct xwindow *wp = (struct xwindow *) ptr;
nhUse(w);
nhUse(flag);
if (!wp || !event)
return;
if (iflags.perm_invent && wp == &window_list[WIN_INVEN]
&& wp->menu_information->how == PICK_NONE) {
get_widget_window_geometry(wp->popup,
&wp->menu_information->permi_x,
&wp->menu_information->permi_y,
&wp->menu_information->permi_w,
&wp->menu_information->permi_h);
}
}
/*
* Menu callback.
*/
/* ARGSUSED */
static void
menu_select(w, client_data, call_data)
Widget w;
XtPointer client_data, call_data;
{
struct menu_info_t *menu_info;
long how_many;
x11_menu_item *curr = (x11_menu_item *) client_data;
struct xwindow *wp;
Arg args[2];
nhUse(call_data);
if (!curr)
return;
wp = &window_list[curr->window];
menu_info = wp->menu_information;
how_many = menu_info->counting ? menu_info->menu_count : -1L;
reset_menu_count(menu_info);
/* if the menu is not active or don't have an identifier, try again */
if (!menu_info->is_active || curr->identifier.a_void == 0) {
X11_nhbell();
return;
}
/* if we've reached here, we've found our selected item */
if (menu_info->how != PICK_ONE || !curr->preselected)
curr->selected = !curr->selected;
curr->preselected = FALSE;
if (curr->selected) {
curr->str[2] = (how_many != -1L) ? '#' : '+';
curr->pick_count = how_many;
} else {
curr->str[2] = '-';
curr->pick_count = -1L;
}
XtSetArg(args[0], nhStr(XtNlabel), curr->str);
XtSetValues(w, args, ONE);
if (menu_info->how == PICK_ONE)
menu_popdown(wp);
}
/*
* Called when menu window is deleted.
*/
/* ARGSUSED */
void
menu_delete(w, event, params, num_params)
Widget w;
XEvent *event;
String *params;
Cardinal *num_params;
{
nhUse(event);
nhUse(params);
nhUse(num_params);
menu_cancel((Widget) None, (XtPointer) find_widget(w), (XtPointer) 0);
}
/*
* Invert the count'th line (curr) in the given window.
*/
/*ARGSUSED*/
static void
invert_line(wp, curr, which, how_many)
struct xwindow *wp;
x11_menu_item *curr;
int which;
long how_many;
{
Arg args[2];
nhUse(which);
reset_menu_count(wp->menu_information);
/* invert selection unless explicitly choosing the preselected
entry of a PICK_ONE menu */
if (wp->menu_information->how != PICK_ONE || !curr->preselected)
curr->selected = !curr->selected;
curr->preselected = FALSE;
if (curr->selected) {
curr->str[2] = (how_many != -1) ? '#' : '+';
XtSetArg(args[0], nhStr(XtNlabel), curr->str);
XtSetValues(curr->w, args, ONE);
curr->pick_count = how_many;
} else {
curr->str[2] = '-';
XtSetArg(args[0], nhStr(XtNlabel), curr->str);
XtSetValues(curr->w, args, ONE);
curr->pick_count = -1L;
}
}
/*
* Called when we get a key press event on a menu window.
*/
/* ARGSUSED */
void
menu_key(w, event, params, num_params)
Widget w;
XEvent *event;
String *params;
Cardinal *num_params;
{
struct menu_info_t *menu_info;
x11_menu_item *curr;
struct xwindow *wp;
char ch;
int count;
boolean selected_something;
nhUse(params);
nhUse(num_params);
wp = find_widget(w);
menu_info = wp->menu_information;
ch = key_event_to_char((XKeyEvent *) event);
if (ch == '\0') { /* don't accept nul char/modifier event */
/* don't beep */
return;
}
/* don't exclude PICK_NONE menus; doing so disables scrolling via keys */
if (menu_info->is_active) { /* waiting for input */
/* first check for an explicit selector match, so that it won't be
overridden if it happens to duplicate a mapped menu command (':'
to look inside a container vs ':' to select via search string) */
for (curr = menu_info->curr_menu.base; curr; curr = curr->next)
if (curr->identifier.a_void != 0 && curr->selector == ch)
goto make_selection;
ch = map_menu_cmd(ch);
if (ch == '\033') { /* quit */
if (menu_info->counting) {
/* when there's a count in progress, ESC discards it
rather than dismissing the whole menu */
reset_menu_count(menu_info);
return;
}
select_none(wp);
} else if (ch == '\n' || ch == '\r') {
; /* accept */
} else if (digit(ch)) {
/* special case: '0' is also the default ball class */
if (ch == '0' && !menu_info->counting
&& index(menu_info->curr_menu.gacc, ch))
goto group_accel;
menu_info->menu_count *= 10L;
menu_info->menu_count += (long) (ch - '0');
if (menu_info->menu_count != 0L) /* ignore leading zeros */
menu_info->counting = TRUE;
return;
} else if (ch == MENU_SEARCH) { /* search */
search_menu(wp);
if (menu_info->how == PICK_ANY)
return;
} else if (ch == MENU_SELECT_ALL || ch == MENU_SELECT_PAGE) {
if (menu_info->how == PICK_ANY)
select_all(wp);
else
X11_nhbell();
return;
} else if (ch == MENU_UNSELECT_ALL || ch == MENU_UNSELECT_PAGE) {
if (menu_info->how == PICK_ANY)
select_none(wp);
else
X11_nhbell();
return;
} else if (ch == MENU_INVERT_ALL || ch == MENU_INVERT_PAGE) {
if (menu_info->how == PICK_ANY)
invert_all(wp);
else
X11_nhbell();
return;
} else if (ch == MENU_FIRST_PAGE || ch == MENU_LAST_PAGE) {
Widget hbar = (Widget) 0, vbar = (Widget) 0;
float top = (ch == MENU_FIRST_PAGE) ? 0.0 : 1.0;
find_scrollbars(wp->w, &hbar, &vbar);
if (vbar)
XtCallCallbacks(vbar, XtNjumpProc, &top);
return;
} else if (ch == MENU_NEXT_PAGE || ch == MENU_PREVIOUS_PAGE) {
Widget hbar = (Widget) 0, vbar = (Widget) 0;
find_scrollbars(wp->w, &hbar, &vbar);
if (vbar) {
float shown, top;
Arg arg[2];
XtSetArg(arg[0], nhStr(XtNshown), &shown);
XtSetArg(arg[1], nhStr(XtNtopOfThumb), &top);
XtGetValues(vbar, arg, TWO);
top += ((ch == MENU_NEXT_PAGE) ? shown : -shown);
if (vbar)
XtCallCallbacks(vbar, XtNjumpProc, &top);
}
return;
} else if (index(menu_info->curr_menu.gacc, ch)) {
group_accel:
/* matched a group accelerator */
if (menu_info->how == PICK_ANY || menu_info->how == PICK_ONE) {
for (count = 0, curr = menu_info->curr_menu.base; curr;
curr = curr->next, count++) {
if (curr->identifier.a_void != 0
&& curr->gselector == ch) {
invert_line(wp, curr, count, -1L);
/* for PICK_ONE, a group accelerator will
only be included in gacc[] if it matches
exactly one entry, so this must be it... */
if (menu_info->how == PICK_ONE)
goto menu_done; /* pop down */
}
}
} else
X11_nhbell();
return;
} else {
make_selection:
selected_something = FALSE;
for (count = 0, curr = menu_info->curr_menu.base; curr;
curr = curr->next, count++)
if (curr->identifier.a_void != 0 && curr->selector == ch)
break;
if (curr) {
invert_line(wp, curr, count,
menu_info->counting ? menu_info->menu_count : -1L);
selected_something = curr->selected;
} else {
X11_nhbell(); /* no match */
}
if (!(selected_something && menu_info->how == PICK_ONE))
return; /* keep going */
}
/* pop down */
} else { /* permanent inventory window */
if (ch != '\033') {
X11_nhbell();
return;
}
/* pop down on ESC */
}
menu_done:
menu_popdown(wp);
}
/* ARGSUSED */
static void
menu_ok(w, client_data, call_data)
Widget w;
XtPointer client_data, call_data;
{
struct xwindow *wp = (struct xwindow *) client_data;
nhUse(w);
nhUse(call_data);
menu_popdown(wp);
}
/* ARGSUSED */
static void
menu_cancel(w, client_data, call_data)
Widget w; /* don't use - may be None */
XtPointer client_data, call_data;
{
struct xwindow *wp = (struct xwindow *) client_data;
nhUse(w);
nhUse(call_data);
if (wp->menu_information->is_active) {
select_none(wp);
wp->menu_information->cancelled = TRUE;
}
menu_popdown(wp);
}
/* ARGSUSED */
static void
menu_all(w, client_data, call_data)
Widget w;
XtPointer client_data, call_data;
{
nhUse(w);
nhUse(call_data);
select_all((struct xwindow *) client_data);
}
/* ARGSUSED */
static void
menu_none(w, client_data, call_data)
Widget w;
XtPointer client_data, call_data;
{
nhUse(w);
nhUse(call_data);
select_none((struct xwindow *) client_data);
}
/* ARGSUSED */
static void
menu_invert(w, client_data, call_data)
Widget w;
XtPointer client_data, call_data;
{
nhUse(w);
nhUse(call_data);
invert_all((struct xwindow *) client_data);
}
/* ARGSUSED */
static void
menu_search(w, client_data, call_data)
Widget w;
XtPointer client_data, call_data;
{
struct xwindow *wp = (struct xwindow *) client_data;
struct menu_info_t *menu_info = wp->menu_information;
nhUse(w);
nhUse(call_data);
search_menu(wp);
if (menu_info->how == PICK_ONE)
menu_popdown(wp);
}
/* common to menu_search and menu_key */
static void
search_menu(wp)
struct xwindow *wp;
{
char *pat, buf[BUFSZ + 2]; /* room for '*' + BUFSZ-1 + '*' + '\0' */
struct menu_info_t *menu_info = wp->menu_information;
buf[0] = buf[1] = '\0';
pat = &buf[1]; /* leave room to maybe insert '*' at front */
if (menu_info->how != PICK_NONE) {
X11_getlin("Search for:", pat);
if (!*pat || *pat == '\033')
return;
/* convert "string" into "*string*" for use with pmatch() */
if (*pat != '*')
*--pat = '*'; /* now points to &buf[0] */
if (*(eos(pat) - 1) != '*')
Strcat(pat, "*");
}
switch (menu_info->how) {
case PICK_ANY:
invert_match(wp, pat);
break;
case PICK_ONE:
select_match(wp, pat);
break;
default: /* PICK_NONE */
X11_nhbell();
break;
}
}
static void
select_all(wp)
struct xwindow *wp;
{
x11_menu_item *curr;
int count;
reset_menu_count(wp->menu_information);
for (count = 0, curr = wp->menu_information->curr_menu.base; curr;
curr = curr->next, count++)
if (curr->identifier.a_void != 0)
if (!curr->selected) {
invert_line(wp, curr, count, -1L);
}
}
static void
select_none(wp)
struct xwindow *wp;
{
x11_menu_item *curr;
int count;
reset_menu_count(wp->menu_information);
for (count = 0, curr = wp->menu_information->curr_menu.base; curr;
curr = curr->next, count++)
if (curr->identifier.a_void != 0)
if (curr->selected) {
invert_line(wp, curr, count, -1L);
}
}
static void
invert_all(wp)
struct xwindow *wp;
{
x11_menu_item *curr;
int count;
reset_menu_count(wp->menu_information);
for (count = 0, curr = wp->menu_information->curr_menu.base; curr;
curr = curr->next, count++)
if (curr->identifier.a_void != 0)
invert_line(wp, curr, count, -1L);
}
static void
invert_match(wp, match)
struct xwindow *wp;
char *match; /* wildcard pattern for pmatch() */
{
x11_menu_item *curr;
int count;
reset_menu_count(wp->menu_information);
for (count = 0, curr = wp->menu_information->curr_menu.base; curr;
curr = curr->next, count++)
if (curr->identifier.a_void != 0) {
if (pmatchi(match, curr->str)) {
invert_line(wp, curr, count, -1L);
}
curr->preselected = FALSE;
}
}
static void
select_match(wp, match)
struct xwindow *wp;
char *match; /* wildcard pattern for pmatch() */
{
x11_menu_item *curr, *found = 0;
int count;
reset_menu_count(wp->menu_information);
for (count = 0, curr = wp->menu_information->curr_menu.base; curr;
curr = curr->next, count++)
if (curr->identifier.a_void != 0) {
if (!found && pmatchi(match, curr->str))
found = curr;
curr->preselected = FALSE;
}
if (found) {
if (!found->selected) {
invert_line(wp, found, count, -1L);
}
} else {
/* no match */
X11_nhbell();
}
}
static void
menu_popdown(wp)
struct xwindow *wp;
{
nh_XtPopdown(wp->popup); /* remove the event grab */
XtDestroyWidget(wp->popup);
wp->w = wp->popup = (Widget) 0;
if (wp->menu_information->is_active)
exit_x_event = TRUE; /* exit our event handler */
wp->menu_information->is_up = FALSE; /* menu is down */
}
/* Global functions ======================================================= */
void
X11_start_menu(window)
winid window;
{
struct xwindow *wp;
check_winid(window);
wp = &window_list[window];
if (wp->menu_information->is_menu) {
/* make sure we'ere starting with a clean slate */
free_menu(&wp->menu_information->new_menu);
} else {
wp->menu_information->is_menu = TRUE;
}
}
/*ARGSUSED*/
void
X11_add_menu(window, glyph, identifier, ch, gch, attr, str, preselected)
winid window;
int glyph; /* unused (for now) */
const anything *identifier;
char ch;
char gch; /* group accelerator (0 = no group) */
int attr;
const char *str;
boolean preselected;
{
x11_menu_item *item;
struct menu_info_t *menu_info;
nhUse(glyph);
check_winid(window);
menu_info = window_list[window].menu_information;
if (!menu_info->is_menu) {
impossible("add_menu: called before start_menu");
return;
}
item = (x11_menu_item *) alloc((unsigned) sizeof(x11_menu_item));
item->next = (x11_menu_item *) 0;
item->identifier = *identifier;
item->attr = attr;
item->selected = item->preselected = preselected;
item->pick_count = -1L;
item->window = window;
item->w = (Widget) 0;
if (identifier->a_void) {
char buf[4 + BUFSZ];
int len = strlen(str);
if (!ch) {
/* Supply a keyboard accelerator. Only the first 52 get one. */
if (menu_info->new_menu.curr_selector) {
ch = menu_info->new_menu.curr_selector++;
if (ch == 'z')
menu_info->new_menu.curr_selector = 'A';
else if (ch == 'Z')
menu_info->new_menu.curr_selector = 0; /* out */
}
}
if (len >= BUFSZ) {
/* We *think* everything's coming in off at most BUFSZ bufs... */
impossible("Menu item too long (%d).", len);
len = BUFSZ - 1;
}
Sprintf(buf, "%c %c ", ch ? ch : ' ', preselected ? '+' : '-');
(void) strncpy(buf + 4, str, len);
buf[4 + len] = '\0';
item->str = copy_of(buf);
} else {
/* no keyboard accelerator */
item->str = copy_of(str);
ch = 0;
}
item->selector = ch;
item->gselector = gch;
debugpline2("X11_add_menu(%i,%s)", window, item->str);
if (menu_info->new_menu.last) {
menu_info->new_menu.last->next = item;
} else {
menu_info->new_menu.base = item;
}
menu_info->new_menu.last = item;
menu_info->new_menu.count++;
}
void
X11_end_menu(window, query)
winid window;
const char *query;
{
struct menu_info_t *menu_info;
check_winid(window);
menu_info = window_list[window].menu_information;
if (!menu_info->is_menu) {
impossible("end_menu: called before start_menu");
return;
}
debugpline2("X11_end_menu(%i, %s)", window, query);
menu_info->new_menu.query = copy_of(query);
}
int
X11_select_menu(window, how, menu_list)
winid window;
int how;
menu_item **menu_list;
{
x11_menu_item *curr;
struct xwindow *wp;
struct menu_info_t *menu_info;
Arg args[10];
Cardinal num_args;
int retval;
Dimension v_pixel_width, v_pixel_height;
boolean labeled;
Widget viewport_widget, form, label, all;
char gacc[QBUFSZ], *ap;
boolean permi;
*menu_list = (menu_item *) 0;
check_winid(window);
wp = &window_list[window];
menu_info = wp->menu_information;
if (!menu_info->is_menu) {
impossible("select_menu: called before start_menu");
return 0;
}
debugpline2("X11_select_menu(%i, %i)", window, how);
create_menu_translation_tables();
if (menu_info->permi && how != PICK_NONE) {
/* Core is reusing perm_invent window for picking an item.
But it could be even on a different screen!
Create a new temp window for it instead. */
winid newwin = X11_create_nhwindow(NHW_MENU);
struct xwindow *nwp = &window_list[newwin];
X11_start_menu(newwin);
move_menu(&menu_info->new_menu, &nwp->menu_information->new_menu);
for (curr = nwp->menu_information->new_menu.base; curr;
curr = curr->next)
curr->window = newwin;
nwp->menu_information->permi = FALSE;
retval = X11_select_menu(newwin, how, menu_list);
destroy_menu_entry_widgets(nwp);
X11_destroy_nhwindow(newwin);
return retval;
}
menu_info->how = (short) how;
/* collect group accelerators; for PICK_NONE, they're ignored;
for PICK_ONE, only those which match exactly one entry will be
accepted; for PICK_ANY, those which match any entry are okay */
gacc[0] = '\0';
if (menu_info->how != PICK_NONE) {
int i, n, gcnt[128];
#define GSELIDX(c) ((c) & 127) /* guard against `signed char' */
for (i = 0; i < SIZE(gcnt); i++)
gcnt[i] = 0;
for (n = 0, curr = menu_info->new_menu.base; curr; curr = curr->next)
if (curr->gselector && curr->gselector != curr->selector) {
++n;
++gcnt[GSELIDX(curr->gselector)];
}
if (n > 0) /* at least one group accelerator found */
for (ap = gacc, curr = menu_info->new_menu.base; curr;
curr = curr->next)
if (curr->gselector && !index(gacc, curr->gselector)
&& (menu_info->how == PICK_ANY
|| gcnt[GSELIDX(curr->gselector)] == 1)) {
*ap++ = curr->gselector;
*ap = '\0'; /* re-terminate for index() */
}
}
menu_info->new_menu.gacc = copy_of(gacc);
reset_menu_count(menu_info);
labeled = (menu_info->new_menu.query && *(menu_info->new_menu.query))
? TRUE
: FALSE;
permi = (window == WIN_INVEN && iflags.perm_invent && how == PICK_NONE);
if (menu_info->is_up) {
if (!menu_info->permi) {
destroy_menu_entry_widgets(wp);
nh_XtPopdown(wp->popup);
XtDestroyWidget(wp->popup);
wp->w = wp->popup = (Widget) 0;
menu_info->is_up = FALSE;
}
}
if (!menu_info->is_up) {
menu_info->permi = permi;
num_args = 0;
XtSetArg(args[num_args], XtNallowShellResize, True);
num_args++;
if (permi && menu_info->permi_x != -1) {
XtSetArg(args[num_args], nhStr(XtNwidth), menu_info->permi_w);
num_args++;
XtSetArg(args[num_args], nhStr(XtNheight), menu_info->permi_h);
num_args++;
}
if (wp->title) {
XtSetArg(args[num_args], nhStr(XtNtitle), wp->title); num_args++;
}
wp->popup = XtCreatePopupShell((window == WIN_INVEN)
? "inventory" : "menu",
(how == PICK_NONE)
? topLevelShellWidgetClass
: transientShellWidgetClass,
toplevel, args, num_args);
XtOverrideTranslations(wp->popup, menu_del_translation_table);
if (permi)
XtAddEventHandler(wp->popup, StructureNotifyMask, False,
menu_size_change_handler, (XtPointer) wp);
num_args = 0;
XtSetArg(args[num_args], XtNtranslations,
menu_translation_table); num_args++;
form = XtCreateManagedWidget("mform", formWidgetClass, wp->popup,
args, num_args);
num_args = 0;
XtSetArg(args[num_args], XtNborderWidth, 0); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
label = labeled ? XtCreateManagedWidget(menu_info->new_menu.query,
labelWidgetClass, form,
args, num_args)
: (Widget) 0;
all = menu_create_buttons(wp, form, label);
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNallowVert), True); num_args++;
XtSetArg(args[num_args], nhStr(XtNallowHoriz), False); num_args++;
XtSetArg(args[num_args], nhStr(XtNuseBottom), True); num_args++;
XtSetArg(args[num_args], nhStr(XtNuseRight), True); num_args++;
#if 0
XtSetArg(args[num_args], nhStr(XtNforceBars), True); num_args++;
#endif
XtSetArg(args[num_args], nhStr(XtNfromVert), all); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainBottom); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainRight); num_args++;
XtSetArg(args[num_args], XtNtranslations,
menu_translation_table); num_args++;
viewport_widget = XtCreateManagedWidget(
"menu_viewport", /* name */
viewportWidgetClass, form, /* parent widget */
args, num_args); /* values, and number of values */
num_args = 0;
XtSetArg(args[num_args], XtNwidth, 100);
num_args++;
XtSetArg(args[num_args], XtNheight, 500);
num_args++;
wp->w = XtCreateManagedWidget("menu_list", formWidgetClass,
viewport_widget, args, num_args);
}
if (menu_info->is_up && permi && menu_info->curr_menu.base) {
/* perm_invent window - explicitly destroy old menu entry widgets,
without recreating whole window */
destroy_menu_entry_widgets(wp);
free_menu_line_entries(&menu_info->curr_menu);
}
/* make new menu the current menu */
move_menu(&menu_info->new_menu, &menu_info->curr_menu);
menu_create_entries(wp, &menu_info->curr_menu);
/* if viewport will be bigger than the screen, limit its height */
num_args = 0;
XtSetArg(args[num_args], XtNwidth, &v_pixel_width); num_args++;
XtSetArg(args[num_args], XtNheight, &v_pixel_height); num_args++;
XtGetValues(wp->w, args, num_args);
if ((Dimension) XtScreen(wp->w)->height * 5 / 6 < v_pixel_height) {
/* scrollbar is 14 pixels wide. Widen the form to accommodate it. */
v_pixel_width += 14;
/* shrink to fit vertically */
v_pixel_height = XtScreen(wp->w)->height * 5 / 6;
num_args = 0;
XtSetArg(args[num_args], XtNwidth, v_pixel_width); num_args++;
XtSetArg(args[num_args], XtNheight, v_pixel_height); num_args++;
XtSetValues(wp->w, args, num_args);
}
XtRealizeWidget(wp->popup); /* need to realize before we position */
/* if menu is not up, position it */
if (!menu_info->is_up) {
positionpopup(wp->popup, FALSE);
}
menu_info->is_up = TRUE;
if (permi) {
if (permi && menu_info->permi_x != -1) {
/* Cannot set window x,y at creation time,
we must move the window now instead */
XMoveWindow(XtDisplay(wp->popup), XtWindow(wp->popup),
menu_info->permi_x, menu_info->permi_y);
}
/* cant use nh_XtPopup() because it may try to grab the focus */
XtPopup(wp->popup, (int) XtGrabNone);
if (permi && menu_info->permi_x == -1) {
/* remember perm_invent window geometry the first time */
get_widget_window_geometry(wp->popup,
&menu_info->permi_x,
&menu_info->permi_y,
&menu_info->permi_w,
&menu_info->permi_h);
}
if (!updated_inventory) {
XMapRaised(XtDisplay(wp->popup), XtWindow(wp->popup));
}
XSetWMProtocols(XtDisplay(wp->popup), XtWindow(wp->popup),
&wm_delete_window, 1);
retval = 0;
} else {
menu_info->is_active = TRUE; /* waiting for user response */
menu_info->cancelled = FALSE;
nh_XtPopup(wp->popup, (int) XtGrabExclusive, wp->w);
(void) x_event(EXIT_ON_EXIT);
menu_info->is_active = FALSE;
if (menu_info->cancelled)
return -1;
retval = 0;
for (curr = menu_info->curr_menu.base; curr; curr = curr->next)
if (curr->selected)
retval++;
if (retval) {
menu_item *mi;
boolean toomany = (how == PICK_ONE && retval > 1);
if (toomany)
retval = 1;
*menu_list = mi = (menu_item *) alloc(retval * sizeof(menu_item));
for (curr = menu_info->curr_menu.base; curr; curr = curr->next)
if (curr->selected) {
mi->item = curr->identifier;
mi->count = curr->pick_count;
if (!toomany)
mi++;
if (how == PICK_ONE && !curr->preselected)
break;
}
}
} /* ?(WIN_INVEN && PICK_NONE) */
return retval;
}
/* End global functions =================================================== */
/*
* Allocate a copy of the given string. If null, return a string of
* zero length.
*/
static char *
copy_of(s)
const char *s;
{
if (!s)
s = "";
return dupstr(s);
}
/*
* Create ok, cancel, all, none, invert, and search buttons.
*/
static Widget
menu_create_buttons(wp, form, under)
struct xwindow *wp;
Widget form,under;
{
Arg args[15];
Cardinal num_args;
int how = wp->menu_information->how;
Boolean sens;
Widget ok, cancel, all, none, invert, search, lblwidget[6];
Dimension lblwidth[6], maxlblwidth;
Widget label = under;
maxlblwidth = 0;
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfromVert), label); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
ok = XtCreateManagedWidget("OK", commandWidgetClass, form,
args, num_args);
XtAddCallback(ok, XtNcallback, menu_ok, (XtPointer) wp);
XtSetArg(args[0], XtNwidth, &lblwidth[0]);
XtGetValues(lblwidget[0] = ok, args, ONE);
if (lblwidth[0] > maxlblwidth)
maxlblwidth = lblwidth[0];
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfromVert), label); num_args++;
XtSetArg(args[num_args], nhStr(XtNfromHoriz), ok); num_args++;
#if 0 /* [cancel] is a viable choice even for PICK_NONE */
XtSetArg(args[num_args], nhStr(XtNsensitive), how != PICK_NONE); num_args++;
#endif
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
cancel = XtCreateManagedWidget("cancel", commandWidgetClass, form,
args, num_args);
XtAddCallback(cancel, XtNcallback, menu_cancel, (XtPointer) wp);
XtSetArg(args[0], XtNwidth, &lblwidth[1]);
XtGetValues(lblwidget[1] = cancel, args, ONE);
if (lblwidth[1] > maxlblwidth)
maxlblwidth = lblwidth[1];
sens = (how == PICK_ANY);
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfromVert), label); num_args++;
XtSetArg(args[num_args], nhStr(XtNfromHoriz), cancel); num_args++;
XtSetArg(args[num_args], nhStr(XtNsensitive), sens); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
all = XtCreateManagedWidget("all", commandWidgetClass, form,
args, num_args);
XtAddCallback(all, XtNcallback, menu_all, (XtPointer) wp);
XtSetArg(args[0], XtNwidth, &lblwidth[2]);
XtGetValues(lblwidget[2] = all, args, ONE);
if (lblwidth[2] > maxlblwidth)
maxlblwidth = lblwidth[2];
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfromVert), label); num_args++;
XtSetArg(args[num_args], nhStr(XtNfromHoriz), all); num_args++;
XtSetArg(args[num_args], nhStr(XtNsensitive), sens); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
none = XtCreateManagedWidget("none", commandWidgetClass, form,
args, num_args);
XtAddCallback(none, XtNcallback, menu_none, (XtPointer) wp);
XtSetArg(args[0], XtNwidth, &lblwidth[3]);
XtGetValues(lblwidget[3] = none, args, ONE);
if (lblwidth[3] > maxlblwidth)
maxlblwidth = lblwidth[3];
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfromVert), label); num_args++;
XtSetArg(args[num_args], nhStr(XtNfromHoriz), none); num_args++;
XtSetArg(args[num_args], nhStr(XtNsensitive), sens); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
invert = XtCreateManagedWidget("invert", commandWidgetClass, form,
args, num_args);
XtAddCallback(invert, XtNcallback, menu_invert, (XtPointer) wp);
XtSetArg(args[0], XtNwidth, &lblwidth[4]);
XtGetValues(lblwidget[4] = invert, args, ONE);
if (lblwidth[4] > maxlblwidth)
maxlblwidth = lblwidth[4];
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfromVert), label); num_args++;
XtSetArg(args[num_args], nhStr(XtNfromHoriz), invert); num_args++;
XtSetArg(args[num_args], nhStr(XtNsensitive), how != PICK_NONE); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
search = XtCreateManagedWidget("search", commandWidgetClass, form,
args, num_args);
XtAddCallback(search, XtNcallback, menu_search, (XtPointer) wp);
XtSetArg(args[0], XtNwidth, &lblwidth[5]);
XtGetValues(lblwidget[5] = search, args, ONE);
if (lblwidth[5] > maxlblwidth)
maxlblwidth = lblwidth[5];
/* make all buttons be the same width */
{
int i;
XtSetArg(args[0], XtNwidth, maxlblwidth);
for (i = 0; i < 6; ++i)
if (lblwidth[i] < maxlblwidth)
XtSetValues(lblwidget[i], args, ONE);
}
return all;
}
static void
menu_create_entries(wp, curr_menu)
struct xwindow *wp;
struct menu *curr_menu;
{
x11_menu_item *curr;
int menulineidx = 0;
Widget prevlinewidget;
int how = wp->menu_information->how;
Arg args[15];
Cardinal num_args;
for (curr = curr_menu->base; curr; curr = curr->next) {
char tmpbuf[BUFSZ];
Widget linewidget;
String str = (String) curr->str;
int attr = ATR_NONE;
int color = NO_COLOR;
boolean canpick = (how != PICK_NONE && curr->identifier.a_void);
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNlabel), str); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainTop); num_args++;
XtSetArg(args[num_args], nhStr(XtNborderWidth), 0); num_args++;
XtSetArg(args[num_args], nhStr(XtNvertDistance), 0); num_args++;
if (!iflags.use_menu_color
|| !get_menu_coloring(curr->str, &color, &attr))
attr = curr->attr;
if (color != NO_COLOR) {
if (attr != ATR_INVERSE)
XtSetArg(args[num_args], nhStr(XtNforeground),
get_nhcolor(wp, color).pixel); num_args++;
}
/* TODO: ATR_DIM, ATR_ULINE, ATR_BLINK */
if (attr == ATR_INVERSE) {
XtSetArg(args[num_args], nhStr(XtNforeground),
get_nhcolor(wp, CLR_BLACK).pixel); num_args++;
XtSetArg(args[num_args], nhStr(XtNbackground),
get_nhcolor(wp, color).pixel); num_args++;
}
if (menulineidx) {
XtSetArg(args[num_args], nhStr(XtNfromVert), prevlinewidget); num_args++;
} else {
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
}
XtSetArg(args[num_args], XtNtranslations,
menu_entry_translation_table); num_args++;
menulineidx++;
Sprintf(tmpbuf, "menuline_%s", (canpick) ? "command" : "label");
curr->w = linewidget = XtCreateManagedWidget(tmpbuf,
canpick
? commandWidgetClass
: labelWidgetClass,
wp->w, args, num_args);
if (attr == ATR_BOLD) {
load_boldfont(wp, curr->w);
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfont),
wp->boldfs); num_args++;
XtSetValues(curr->w, args, num_args);
}
if (canpick)
XtAddCallback(linewidget, XtNcallback, menu_select,
(XtPointer) curr);
prevlinewidget = linewidget;
}
}
static void
destroy_menu_entry_widgets(wp)
struct xwindow *wp;
{
WidgetList wlist;
Cardinal numchild;
Arg args[5];
Cardinal num_args;
x11_menu_item *curr;
struct menu_info_t *menu_info;
if (!wp || !wp->w)
return;
menu_info = wp->menu_information;
num_args = 0;
XtSetArg(args[num_args], XtNchildren, &wlist); num_args++;
XtSetArg(args[num_args], XtNnumChildren, &numchild); num_args++;
XtGetValues(wp->w, args, num_args);
XtUnmanageChildren(wlist, numchild);
for (curr = menu_info->curr_menu.base; curr; curr = curr->next)
if (curr->w)
XtDestroyWidget(curr->w);
}
static void
move_menu(src_menu, dest_menu)
struct menu *src_menu, *dest_menu;
{
free_menu(dest_menu); /* toss old menu */
*dest_menu = *src_menu; /* make new menu current */
/* leave no dangling ptrs */
reset_menu_to_default(src_menu);
}
static void
free_menu_line_entries(mp)
struct menu *mp;
{
/* We're not freeing menu entry widgets here, but let XtDestroyWidget()
on the parent widget take care of that */
while (mp->base) {
mp->last = mp->base;
mp->base = mp->base->next;
free((genericptr_t) mp->last->str);
free((genericptr_t) mp->last);
}
}
static void
free_menu(mp)
struct menu *mp;
{
free_menu_line_entries(mp);
if (mp->query)
free((genericptr_t) mp->query);
if (mp->gacc)
free((genericptr_t) mp->gacc);
reset_menu_to_default(mp);
}
static void
reset_menu_to_default(mp)
struct menu *mp;
{
mp->base = mp->last = (x11_menu_item *) 0;
mp->query = (const char *) 0;
mp->gacc = (const char *) 0;
mp->count = 0;
mp->curr_selector = 'a'; /* first accelerator */
}
static void
clear_old_menu(wp)
struct xwindow *wp;
{
struct menu_info_t *menu_info = wp->menu_information;
free_menu(&menu_info->curr_menu);
free_menu(&menu_info->new_menu);
if (menu_info->is_up) {
nh_XtPopdown(wp->popup);
menu_info->is_up = FALSE;
XtDestroyWidget(wp->popup);
wp->w = wp->popup = (Widget) 0;
}
}
void
create_menu_window(wp)
struct xwindow *wp;
{
wp->type = NHW_MENU;
wp->menu_information =
(struct menu_info_t *) alloc(sizeof(struct menu_info_t));
(void) memset((genericptr_t) wp->menu_information, '\0',
sizeof(struct menu_info_t));
reset_menu_to_default(&wp->menu_information->curr_menu);
reset_menu_to_default(&wp->menu_information->new_menu);
reset_menu_count(wp->menu_information);
wp->w = wp->popup = (Widget) 0;
wp->menu_information->permi_x = -1;
wp->menu_information->permi_y = -1;
wp->menu_information->permi_w = -1;
wp->menu_information->permi_h = -1;
}
void
destroy_menu_window(wp)
struct xwindow *wp;
{
clear_old_menu(wp); /* this will also destroy the widgets */
free((genericptr_t) wp->menu_information);
wp->menu_information = (struct menu_info_t *) 0;
wp->type = NHW_NONE; /* allow re-use */
}
/*winmenu.c*/
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