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curses menu: support backspace/delete for counts

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Have curses call the core get_count() routine instead rolling its
own so that backspace and delete are supported.  That part was
trivial to accomplish.  Unfortunately it brought the disappearing
menu phenomenon back so it became more complicated overall.
This commit is contained in:
PatR
2021-06-06 05:54:53 -07:00
parent 0280006d76
commit 41eecdf6b3
8 changed files with 48 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files
win/curses/cursdial.c
+22 -12
View File
@@ -23,18 +23,19 @@ extern char erase_char, kill_char;
/* Dialog windows for curses interface */
WINDOW *activemenu = NULL; /* for count_window refresh handling */
/* Private declarations */
typedef struct nhmi {
winid wid; /* NetHack window id */
glyph_info glyphinfo; /* holds menu glyph and additional glyph info */
glyph_info glyphinfo; /* holds menu glyph and additional info */
anything identifier; /* Value returned if item selected */
char accelerator; /* Character used to select item from menu */
char group_accel; /* Group accelerator for menu item, if any */
char accelerator; /* Character used to select item from menu */
char group_accel; /* Group accelerator for menu item, if any */
int attr; /* Text attributes for item */
const char *str; /* Text of menu item */
boolean presel; /* Whether menu item should be preselected */
boolean presel; /* Whether menu item should be preselected */
boolean selected; /* Whether item is currently selected */
unsigned itemflags;
int page_num; /* Display page number for entry */
@@ -269,6 +270,8 @@ curses_character_input_dialog(const char *prompt, const char *choices,
if (iflags.wc_popup_dialog /*|| curses_stupid_hack*/) {
askwin = curses_create_window(prompt_width, prompt_height, UP);
activemenu = askwin;
for (count = 0; count < prompt_height; count++) {
linestr = curses_break_str(askstr, maxwidth, count + 1);
mvwaddstr(askwin, count + 1, 1, linestr);
@@ -321,11 +324,14 @@ curses_character_input_dialog(const char *prompt, const char *choices,
if (digit(answer)) {
if (accept_count) {
if (answer != '0') {
yn_number = curses_get_count(answer - '0');
touchwin(askwin);
refresh();
}
yn_number = curses_get_count(answer);
if (iflags.wc_popup_dialog) {
curses_count_window(NULL);
touchwin(askwin);
wrefresh(askwin);
}
}
answer = '#';
break;
}
@@ -1434,7 +1440,7 @@ static int
menu_get_selections(WINDOW *win, nhmenu *menu, int how)
{
int curletter, menucmd;
int count = -1;
long count = -1L;
int count_letter = '\0';
int curpage = !menu->bottom_heavy ? 1 : menu->num_pages;
int num_selected = 0;
@@ -1442,6 +1448,7 @@ menu_get_selections(WINDOW *win, nhmenu *menu, int how)
char selectors[256];
nhmenu_item *menu_item_ptr = menu->entries;
activemenu = win;
menu_display_page(menu, win, curpage, selectors);
while (!dismiss) {
@@ -1496,10 +1503,10 @@ menu_get_selections(WINDOW *win, nhmenu *menu, int how)
/*FALLTHRU*/
default:
if (isdigit(curletter)) {
count = curses_get_count(curletter - '0');
count = curses_get_count(curletter);
/* after count, we know some non-digit is already pending */
curletter = getch();
count_letter = (count > 0) ? curletter : '\0';
count_letter = (count > 0L) ? curletter : '\0';
/* remove the count wind (erases last line of message wind) */
curses_count_window(NULL);
@@ -1513,8 +1520,10 @@ menu_get_selections(WINDOW *win, nhmenu *menu, int how)
dismiss = curs_nonselect_menu_action(win, (void *) menu, how,
curletter, &curpage,
selectors, &num_selected);
if (num_selected == -1)
if (num_selected == -1) {
activemenu = NULL;
return -1;
}
}
menu_item_ptr = menu->entries;
@@ -1569,6 +1578,7 @@ menu_get_selections(WINDOW *win, nhmenu *menu, int how)
}
}
activemenu = NULL;
return num_selected;
}
win/curses/cursmesg.c
+4
View File
@@ -460,6 +460,10 @@ curses_count_window(const char *count_text)
mvwprintw(countwin, 0, 0, "%s", count_text);
wrefresh(countwin);
if (activemenu) {
touchwin(activemenu);
wrefresh(activemenu);
}
}
/* Gets a "line" (buffer) of input. */
win/curses/cursmisc.c
+10 -15
View File
@@ -691,30 +691,25 @@ curses_rtrim(char *str)
/* Read numbers until non-digit is encountered, and return number
in int form. */
int
long
curses_get_count(int first_digit)
{
long current_count = first_digit;
int current_char;
long current_count = 0L;
current_char = curses_read_char();
while (isdigit(current_char)) {
current_count = (current_count * 10) + (current_char - '0');
if (current_count > LARGEST_INT) {
current_count = LARGEST_INT;
}
custompline(SUPPRESS_HISTORY, "Count: %ld", current_count);
current_char = curses_read_char();
}
/* use core's count routine; we have the first digit; if any more
are typed, get_count() will send "Count:123" to the message window;
curses's message window will display that in count window instead */
current_char = get_count(NULL, (char) first_digit,
/* 0L => no limit on value unless it wraps
* to negative;
* FALSE => suppress from message history */
0L, &current_count, FALSE);
ungetch(current_char);
if (current_char == '\033') { /* Cancelled with escape */
current_count = -1;
}
return current_count;
}
win/curses/cursmisc.h
+1 -1
View File
@@ -25,7 +25,7 @@ void curses_prehousekeeping(void);
void curses_posthousekeeping(void);
void curses_view_file(const char *filename, boolean must_exist);
void curses_rtrim(char *str);
int curses_get_count(int first_digit);
long curses_get_count(int first_digit);
int curses_convert_attr(int attr);
int curses_read_attrs(const char *attrs);
char *curses_fmt_attrs(char *);
win/curses/curswins.c
+2
View File
@@ -152,6 +152,8 @@ curses_destroy_win(WINDOW *win)
werase(win);
wrefresh(win);
delwin(win);
if (win == activemenu)
activemenu = NULL;
curses_refresh_nethack_windows();
}