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notnotdnethack/win/curses/cursmain.c
Ron Nazarov 2060298f77
Unconditionally enable HAVE_SETLOCALE 
setlocale is standard C and POSIX.
2024-05-12 12:13:10 +01:00

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/* vim:set cin ft=c sw=4 sts=4 ts=8 et ai cino=Ls\:0t0(0 : -*- mode:c;fill-column:80;tab-width:8;c-basic-offset:4;indent-tabs-mode:nil;c-file-style:"k&r" -*-*/
#include "curses.h"
#include "hack.h"
#include "patchlevel.h"
#include "color.h"
#include "wincurs.h"
#include <locale.h>
/* Public functions for curses NetHack interface */
/* Interface definition, for windows.c */
struct window_procs curses_procs = {
"curses",
WC_ALIGN_MESSAGE | WC_ALIGN_STATUS | WC_COLOR | WC_HILITE_PET |
WC_POPUP_DIALOG | WC_SPLASH_SCREEN,
WC2_TERM_COLS | WC2_TERM_ROWS | WC2_WINDOWBORDERS | WC2_PETATTR |
WC2_GUICOLOR,
curses_init_nhwindows,
curses_player_selection,
curses_askname,
curses_get_nh_event,
curses_exit_nhwindows,
curses_suspend_nhwindows,
curses_resume_nhwindows,
curses_create_nhwindow,
curses_clear_nhwindow,
curses_display_nhwindow,
curses_destroy_nhwindow,
curses_curs,
curses_putstr,
curses_display_file,
curses_start_menu,
curses_add_menu,
curses_end_menu,
curses_select_menu,
genl_message_menu,
curses_update_inventory,
curses_mark_synch,
curses_wait_synch,
curses_cliparound,
#ifdef POSITIONBAR
donull,
#endif
curses_print_glyph,
curses_raw_print,
curses_raw_print_bold,
curses_nhgetch,
curses_nh_poskey,
curses_nhbell,
curses_doprev_message,
curses_yn_function,
curses_getlin,
curses_get_ext_cmd,
curses_number_pad,
curses_delay_output,
#ifdef CHANGE_COLOR /* only a Mac option currently */
donull,
donull,
#endif
curses_start_screen,
curses_end_screen,
genl_outrip,
curses_preference_update,
};
/* Track if we're performing an update to the permanent window.
Needed since we aren't using the normal menu functions to handle
the inventory window. */
static int inv_update = 0;
/*
init_nhwindows(int* argcp, char** argv)
-- Initialize the windows used by NetHack. This can also
create the standard windows listed at the top, but does
not display them.
-- Any commandline arguments relevant to the windowport
should be interpreted, and *argcp and *argv should
be changed to remove those arguments.
-- When the message window is created, the variable
iflags.window_inited needs to be set to TRUE. Otherwise
all plines() will be done via raw_print().
** Why not have init_nhwindows() create all of the "standard"
** windows? Or at least all but WIN_INFO? -dean
*/
void
curses_init_nhwindows(int *argcp, char **argv)
{
#ifdef PDCURSES
char window_title[BUFSZ];
#endif
setlocale(LC_CTYPE, "");
#ifdef XCURSES
base_term = Xinitscr(*argcp, argv);
#else
base_term = initscr();
#endif
if (has_colors()) {
start_color();
curses_init_nhcolors();
} else {
iflags.use_color = FALSE;
set_option_mod_status("color", SET_IN_FILE);
iflags.wc2_guicolor = FALSE;
set_wc2_option_mod_status(WC2_GUICOLOR, SET_IN_FILE);
}
noecho();
raw();
nonl(); /* don't force ^M into newline (^J); input accepts them both
* but as a command, accidental <enter> won't run South */
meta(stdscr, TRUE);
orig_cursor = curs_set(0);
keypad(stdscr, TRUE);
#ifdef NCURSES_VERSION
# ifdef __APPLE__
ESCDELAY = 25;
# else
set_escdelay(25);
# endif/* __APPLE__ */
#endif /* NCURSES_VERSION */
#ifdef PDCURSES
# ifdef DEF_GAME_NAME
# ifdef VERSION_STRING
sprintf(window_title, "%s %s", DEF_GAME_NAME, VERSION_STRING);
# else
sprintf(window_title, "%s", DEF_GAME_NAME);
# endif
/* VERSION_STRING */
# else
# ifdef VERSION_STRING
sprintf(window_title, "%s %s", "NetHack", VERSION_STRING);
# else
sprintf(window_title, "%s", "NetHack");
# endif
/* VERSION_STRING */
# endif/* DEF_GAME_NAME */
PDC_set_title(window_title);
PDC_set_blink(TRUE); /* Only if the user asks for it! */
timeout(1);
(void) getch();
timeout(-1);
#endif /* PDCURSES */
getmaxyx(base_term, term_rows, term_cols);
counting = FALSE;
curses_init_options();
if ((term_rows < 15) || (term_cols < 40)) {
panic("Terminal too small. Must be minumum 40 width and 15 height");
}
curses_create_main_windows();
curses_init_mesg_history();
curses_display_splash_window();
}
/* Do a window-port specific player type selection. If player_selection()
offers a Quit option, it is its responsibility to clean up and terminate
the process. You need to fill in pl_character[0].
*/
void
curses_player_selection(void)
{
curses_choose_character();
}
/* Ask the user for a player name. */
void
curses_askname(void)
{
curses_line_input_dialog("Who are you?", plname, PL_NSIZ);
}
/* Does window event processing (e.g. exposure events).
A noop for the tty and X window-ports.
*/
void
curses_get_nh_event(void)
{
#ifdef PDCURSES
if (is_termresized()) {
resize_term(0, 0);
getmaxyx(base_term, term_rows, term_cols);
curses_create_main_windows();
curses_last_messages();
doredraw();
}
#endif
#ifdef NCURSES_VERSION /* Is there a better way to detect ncurses? */
if (is_term_resized(term_rows, term_cols)) {
if (!isendwin()) {
endwin();
}
refresh();
getmaxyx(base_term, term_rows, term_cols);
curses_create_main_windows();
curses_last_messages();
doredraw();
}
#endif
}
/* Exits the window system. This should dismiss all windows,
except the "window" used for raw_print(). str is printed if possible.
*/
void
curses_exit_nhwindows(const char *str)
{
curses_cleanup();
curs_set(orig_cursor);
endwin();
iflags.window_inited = 0;
if (str != NULL) {
raw_print(str);
}
}
/* Prepare the window to be suspended. */
void
curses_suspend_nhwindows(const char *str)
{
endwin();
}
/* Restore the windows after being suspended. */
void
curses_resume_nhwindows(void)
{
curses_refresh_nethack_windows();
}
/* Create a window of type "type" which can be
NHW_MESSAGE (top line)
NHW_STATUS (bottom lines)
NHW_MAP (main dungeon)
NHW_MENU (inventory or other "corner" windows)
NHW_TEXT (help/text, full screen paged window)
*/
winid
curses_create_nhwindow(int type)
{
winid wid = curses_get_wid(type);
if (curses_is_menu(wid) || curses_is_text(wid)) {
curses_start_menu(wid);
curses_add_wid(wid);
}
return wid;
}
/* Clear the given window, when asked to. */
void
curses_clear_nhwindow(winid wid)
{
if (wid != NHW_MESSAGE) {
curses_clear_nhwin(wid);
}
}
/* -- Display the window on the screen. If there is data
pending for output in that window, it should be sent.
If blocking is TRUE, display_nhwindow() will not
return until the data has been displayed on the screen,
and acknowledged by the user where appropriate.
-- All calls are blocking in the tty window-port.
-- Calling display_nhwindow(WIN_MESSAGE,???) will do a
--more--, if necessary, in the tty window-port.
*/
void
curses_display_nhwindow(winid wid, boolean block)
{
menu_item *selected = NULL;
if (curses_is_menu(wid) || curses_is_text(wid)) {
curses_end_menu(wid, "");
curses_select_menu(wid, PICK_NONE, &selected);
return;
}
/* actually display the window */
wnoutrefresh(curses_get_nhwin(wid));
if (curses_window_has_border(wid)) {
WINDOW *win = curses_get_nhwin(wid);
box(win, 0, 0);
}
/* flush pending writes from other windows too */
doupdate();
if ((wid == MAP_WIN) && block) {
(void) curses_more();
}
if ((wid == MESSAGE_WIN) && block) {
if (u.uhp != -1 && program_state.gameover != 1)
(void) curses_block(TRUE);
/* don't bug player with TAB prompt on "Saving..." or endgame */
else
(void) curses_more();
}
}
/* Destroy will dismiss the window if the window has not
* already been dismissed.
*/
void
curses_destroy_nhwindow(winid wid)
{
curses_del_nhwin(wid);
}
/* Next output to window will start at (x,y), also moves
displayable cursor to (x,y). For backward compatibility,
1 <= x < cols, 0 <= y < rows, where cols and rows are
the size of window.
*/
void
curses_curs(winid wid, int x, int y)
{
curses_move_cursor(wid, x, y);
}
/*
putstr(window, attr, str)
-- Print str on the window with the given attribute. Only
printable ASCII characters (040-0126) must be supported.
Multiple putstr()s are output on separate lines.
Attributes
can be one of
ATR_NONE (or 0)
ATR_ULINE
ATR_BOLD
ATR_BLINK
ATR_INVERSE
If a window-port does not support all of these, it may map
unsupported attributes to a supported one (e.g. map them
all to ATR_INVERSE). putstr() may compress spaces out of
str, break str, or truncate str, if necessary for the
display. Where putstr() breaks a line, it has to clear
to end-of-line.
-- putstr should be implemented such that if two putstr()s
are done consecutively the user will see the first and
then the second. In the tty port, pline() achieves this
by calling more() or displaying both on the same line.
*/
void
curses_putstr(winid wid, int attr, const char *text)
{
int curses_attr = curses_convert_attr(attr);
/* We need to convert NetHack attributes to curses attributes */
curses_puts(wid, curses_attr, text);
}
/* Display the file named str. Complain about missing files
iff complain is TRUE.
*/
void
curses_display_file(const char *filename, boolean must_exist)
{
curses_view_file(filename, must_exist);
}
/* Start using window as a menu. You must call start_menu()
before add_menu(). After calling start_menu() you may not
putstr() to the window. Only windows of type NHW_MENU may
be used for menus.
*/
void
curses_start_menu(winid wid)
{
if (inv_update)
return;
curses_create_nhmenu(wid);
}
/*
add_menu(winid wid, int glyph, const anything identifier,
char accelerator, char groupacc,
int attr, char *str, boolean preselected)
-- Add a text line str to the given menu window. If identifier
is 0, then the line cannot be selected (e.g. a title).
Otherwise, identifier is the value returned if the line is
selected. Accelerator is a keyboard key that can be used
to select the line. If the accelerator of a selectable
item is 0, the window system is free to select its own
accelerator. It is up to the window-port to make the
accelerator visible to the user (e.g. put "a - " in front
of str). The value attr is the same as in putstr().
Glyph is an optional glyph to accompany the line. If
window port cannot or does not want to display it, this
is OK. If there is no glyph applicable, then this
value will be NO_GLYPH.
-- All accelerators should be in the range [A-Za-z].
-- It is expected that callers do not mix accelerator
choices. Either all selectable items have an accelerator
or let the window system pick them. Don't do both.
-- Groupacc is a group accelerator. It may be any character
outside of the standard accelerator (see above) or a
number. If 0, the item is unaffected by any group
accelerator. If this accelerator conflicts with
the menu command (or their user defined alises), it loses.
The menu commands and aliases take care not to interfere
with the default object class symbols.
-- If you want this choice to be preselected when the
menu is displayed, set preselected to TRUE.
*/
void
curses_add_menu(winid wid, int glyph, const anything * identifier,
char accelerator, char group_accel, int attr,
const char *str, boolean presel)
{
int curses_attr = curses_convert_attr(attr);
if (inv_update) {
curses_add_inv(inv_update, glyph, accelerator, curses_attr, str);
inv_update++;
return;
}
curses_add_nhmenu_item(wid, glyph, identifier, accelerator, group_accel,
curses_attr, str, presel);
}
/*
end_menu(window, prompt)
-- Stop adding entries to the menu and flushes the window
to the screen (brings to front?). Prompt is a prompt
to give the user. If prompt is NULL, no prompt will
be printed.
** This probably shouldn't flush the window any more (if
** it ever did). That should be select_menu's job. -dean
*/
void
curses_end_menu(winid wid, const char *prompt)
{
if (inv_update)
return;
curses_finalize_nhmenu(wid, prompt);
}
/*
int select_menu(winid window, int how, menu_item **selected)
-- Return the number of items selected; 0 if none were chosen,
-1 when explicitly cancelled. If items were selected, then
selected is filled in with an allocated array of menu_item
structures, one for each selected line. The caller must
free this array when done with it. The "count" field
of selected is a user supplied count. If the user did
not supply a count, then the count field is filled with
-1 (meaning all). A count of zero is equivalent to not
being selected and should not be in the list. If no items
were selected, then selected is NULL'ed out. How is the
mode of the menu. Three valid values are PICK_NONE,
PICK_ONE, and PICK_N, meaning: nothing is selectable,
only one thing is selectable, and any number valid items
may selected. If how is PICK_NONE, this function should
never return anything but 0 or -1.
-- You may call select_menu() on a window multiple times --
the menu is saved until start_menu() or destroy_nhwindow()
is called on the window.
-- Note that NHW_MENU windows need not have select_menu()
called for them. There is no way of knowing whether
select_menu() will be called for the window at
create_nhwindow() time.
*/
int
curses_select_menu(winid wid, int how, menu_item ** selected)
{
if (inv_update)
return 0;
return curses_display_nhmenu(wid, how, selected);
}
void
curses_update_inventory(void)
{
/* Don't do anything if perm_invent is off unless we
changed the option. */
if (!flags.perm_invent) {
if (curses_get_nhwin(INV_WIN)) {
curses_create_main_windows();
curses_last_messages();
doredraw();
}
return;
}
/* Update inventory sidebar. NetHack uses normal menu functions
when drawing the inventory, and we don't want to change the
underlying code. So instead, track if an inventory update is
being performed with a static variable. */
inv_update = 1;
curses_update_inv();
inv_update = 0;
}
/*
mark_synch() -- Don't go beyond this point in I/O on any channel until
all channels are caught up to here. Can be an empty call
for the moment
*/
void
curses_mark_synch(void)
{
}
/*
wait_synch() -- Wait until all pending output is complete (*flush*() for
streams goes here).
-- May also deal with exposure events etc. so that the
display is OK when return from wait_synch().
*/
void
curses_wait_synch(void)
{
}
/*
cliparound(x, y)-- Make sure that the user is more-or-less centered on the
screen if the playing area is larger than the screen.
-- This function is only defined if CLIPPING is defined.
*/
void
curses_cliparound(int x, int y)
{
int sx, sy, ex, ey;
boolean redraw = curses_map_borders(&sx, &sy, &ex, &ey, x, y);
if (redraw) {
curses_draw_map(sx, sy, ex, ey);
}
}
/*
print_glyph(window, x, y, glyph)
-- Print the glyph at (x,y) on the given window. Glyphs are
integers at the interface, mapped to whatever the window-
port wants (symbol, font, color, attributes, ...there's
a 1-1 map between glyphs and distinct things on the map).
*/
void
curses_print_glyph(winid wid, xchar x, xchar y, int glyph)
{
glyph_t ch;
int color;
unsigned int bgcolor;
int attr = -1;
/* map glyph to character and color */
mapglyph(glyph, &ch, &color, &bgcolor, x, y);
if (bgcolor != NO_COLOR) {
attr = curses_color_attr(color, bgcolor);
}
if (iflags.cursesgraphics)
ch = curses_convert_glyph(ch, glyph);
curses_putch(wid, x, y, ch, color, attr);
}
/*
raw_print(str) -- Print directly to a screen, or otherwise guarantee that
the user sees str. raw_print() appends a newline to str.
It need not recognize ASCII control characters. This is
used during startup (before windowing system initialization
-- maybe this means only error startup messages are raw),
for error messages, and maybe other "msg" uses. E.g.
updating status for micros (i.e, "saving").
*/
void
curses_raw_print(const char *str)
{
puts(str);
}
/*
raw_print_bold(str)
-- Like raw_print(), but prints in bold/standout (if possible).
*/
void
curses_raw_print_bold(const char *str)
{
curses_raw_print(str);
}
/*
int nhgetch() -- Returns a single character input from the user.
-- In the tty window-port, nhgetch() assumes that tgetch()
will be the routine the OS provides to read a character.
Returned character _must_ be non-zero.
*/
int
curses_nhgetch(void)
{
int ch;
curses_prehousekeeping();
ch = curses_read_char();
curses_posthousekeeping();
return ch;
}
/*
int nh_poskey(int *x, int *y, int *mod)
-- Returns a single character input from the user or a
a positioning event (perhaps from a mouse). If the
return value is non-zero, a character was typed, else,
a position in the MAP window is returned in x, y and mod.
mod may be one of
CLICK_1 -- mouse click type 1
CLICK_2 -- mouse click type 2
The different click types can map to whatever the
hardware supports. If no mouse is supported, this
routine always returns a non-zero character.
*/
int
curses_nh_poskey(int *x, int *y, int *mod)
{
int key = curses_nhgetch();
#ifdef NCURSES_MOUSE_VERSION
/* Mouse event if mouse_support is true */
if (key == KEY_MOUSE) {
key = curses_get_mouse(x, y, mod);
}
#endif
return key;
}
/*
nhbell() -- Beep at user. [This will exist at least until sounds are
redone, since sounds aren't attributable to windows anyway.]
*/
void
curses_nhbell(void)
{
beep();
}
/*
doprev_message()
-- Display previous messages. Used by the ^P command.
-- On the tty-port this scrolls WIN_MESSAGE back one line.
*/
int
curses_doprev_message(void)
{
curses_prev_mesg();
return 0;
}
/*
char yn_function(const char *ques, const char *choices, char default)
-- Print a prompt made up of ques, choices and default.
Read a single character response that is contained in
choices or default. If choices is NULL, all possible
inputs are accepted and returned. This overrides
everything else. The choices are expected to be in
lower case. Entering ESC always maps to 'q', or 'n',
in that order, if present in choices, otherwise it maps
to default. Entering any other quit character (SPACE,
RETURN, NEWLINE) maps to default.
-- If the choices string contains ESC, then anything after
it is an acceptable response, but the ESC and whatever
follows is not included in the prompt.
-- If the choices string contains a '#' then accept a count.
Place this value in the global "yn_number" and return '#'.
-- This uses the top line in the tty window-port, other
ports might use a popup.
*/
char
curses_yn_function(const char *question, const char *choices, char def)
{
return (char) curses_character_input_dialog(question, choices, def);
}
/*
getlin(const char *ques, char *input)
-- Prints ques as a prompt and reads a single line of text,
up to a newline. The string entered is returned without the
newline. ESC is used to cancel, in which case the string
"\033\000" is returned.
-- getlin() must call flush_screen(1) before doing anything.
-- This uses the top line in the tty window-port, other
ports might use a popup.
*/
void
curses_getlin(const char *question, char *input)
{
curses_line_input_dialog(question, input, BUFSZ);
}
/*
int get_ext_cmd(void)
-- Get an extended command in a window-port specific way.
An index into extcmdlist[] is returned on a successful
selection, -1 otherwise.
*/
int
curses_get_ext_cmd(void)
{
return curses_ext_cmd();
}
/*
number_pad(state)
-- Initialize the number pad to the given state.
*/
void
curses_number_pad(int state)
{
}
/*
delay_output() -- Causes a visible delay of 50ms in the output.
Conceptually, this is similar to wait_synch() followed
by a nap(50ms), but allows asynchronous operation.
*/
void
curses_delay_output(int delay)
{
/* refreshing the whole display is a waste of time,
* but that's why we're here */
static int length[] = { 0, 10, 50 };
refresh();
napms(length[delay]);
}
/*
start_screen() -- Only used on Unix tty ports, but must be declared for
completeness. Sets up the tty to work in full-screen
graphics mode. Look at win/tty/termcap.c for an
example. If your window-port does not need this function
just declare an empty function.
*/
void
curses_start_screen(void)
{
}
/*
end_screen() -- Only used on Unix tty ports, but must be declared for
completeness. The complement of start_screen().
*/
void
curses_end_screen(void)
{
}
/*
outrip(winid, int)
-- The tombstone code. If you want the traditional code use
genl_outrip for the value and check the #if in rip.c.
*/
void
curses_outrip(winid wid, int how)
{
}
/*
preference_update(preference)
-- The player has just changed one of the wincap preference
settings, and the NetHack core is notifying your window
port of that change. If your window-port is capable of
dynamically adjusting to the change then it should do so.
Your window-port will only be notified of a particular
change if it indicated that it wants to be by setting the
corresponding bit in the wincap mask.
*/
void
curses_preference_update(const char *pref)
{
if ((strcmp(pref, "align_status") == 0) ||
(strcmp(pref, "align_message") == 0)) {
curses_create_main_windows();
curses_last_messages();
doredraw();
}
}
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