diff options
Diffstat (limited to 'test/demo_forms.c')
| -rw-r--r-- | test/demo_forms.c | 224 |
1 files changed, 166 insertions, 58 deletions
diff --git a/test/demo_forms.c b/test/demo_forms.c index afa4ed3..97125e3 100644 --- a/test/demo_forms.c +++ b/test/demo_forms.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 2003-2010,2011 Free Software Foundation, Inc. * + * Copyright (c) 2003-2013,2014 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -26,7 +26,7 @@ * authorization. * ****************************************************************************/ /* - * $Id: demo_forms.c,v 1.38 2011/01/15 18:15:11 tom Exp $ + * $Id: demo_forms.c,v 1.50 2014/10/10 00:38:00 tom Exp $ * * Demonstrate a variety of functions from the form library. * Thomas Dickey - 2003/4/26 @@ -70,14 +70,116 @@ set_max_field - #include <edit_field.h> +typedef struct { + char *name; + char *value; +} MY_DATA; + +static MY_DATA *my_data; + static int d_option = 0; static int j_value = 0; static int m_value = 0; static int o_value = 0; static char *t_value = 0; +static void +failed(const char *s) +{ + perror(s); + ExitProgram(EXIT_FAILURE); +} + +static void +chomp(char *value) +{ + size_t have = strlen(value); + while (have != 0 && (value[have - 1] == '\n' || value[have - 1] == '\r')) { + value[--have] = '\0'; + } +} + +static int +trimmed(const char *value) +{ + int result = (int) strlen(value); + while (result > 0 && isspace(UChar(value[result - 1]))) { + --result; + } + return result; +} + +static char * +get_data(const char *name) +{ + char *result = t_value; + if (my_data != 0) { + int n; + for (n = 0; my_data[n].name != 0; ++n) { + if (!strcmp(name, my_data[n].name)) { + result = my_data[n].value; + break; + } + } + } + return result; +} + +/* + * Read (possibly) multi-line data with name+value pairs. + */ +static void +read_data(const char *filename) +{ + FILE *fp = fopen(filename, "r"); + + if (fp != 0) { + char buffer[BUFSIZ]; + char *colon; + int more = 0; + int item = 0; + + my_data = typeCalloc(MY_DATA, (size_t) 100); /* FIXME */ + while (fgets(buffer, sizeof(buffer), fp) != 0) { + chomp(buffer); + if (more) { + if (strcmp(buffer, ".")) { + char *prior = my_data[more - 1].value; + size_t need = strlen(buffer) + 2 + strlen(prior); + char *value = typeRealloc(char, need, prior); + if (value == 0) + failed("realloc"); + strcat(value, "\n"); + strcat(value, buffer); + my_data[more - 1].value = value; + } else { + more = 0; + } + } else if (*buffer == '#') { + continue; + } else if ((colon = strchr(buffer, ':')) != 0) { + char *name; + char *value; + *colon++ = '\0'; + name = strdup(buffer); + value = strdup(colon); + if (name == 0 || value == 0) + failed("strdup"); + my_data[item].name = name; + my_data[item].value = value; + more = ++item; + } else { + failed("expected a colon"); + } + } + fclose(fp); + } else { + failed(filename); + } +} + static FIELD * -make_label(int frow, int fcol, NCURSES_CONST char *label) +make_label(const char *label, int frow, int fcol) { FIELD *f = new_field(1, (int) strlen(label), frow, fcol, 0, 0); @@ -92,13 +194,11 @@ make_label(int frow, int fcol, NCURSES_CONST char *label) * Define each field with an extra one, for reflecting "actual" text. */ static FIELD * -make_field(int frow, int fcol, int rows, int cols) +make_field(const char *label, int frow, int fcol, int rows, int cols) { FIELD *f = new_field(rows, cols, frow, fcol, o_value, 1); if (f) { - FieldAttrs *ptr; - set_field_back(f, A_UNDERLINE); /* * If -j and -d options are combined, -j loses. It is documented in @@ -108,8 +208,8 @@ make_field(int frow, int fcol, int rows, int cols) set_field_just(f, j_value); if (d_option) { if (has_colors()) { - set_field_fore(f, COLOR_PAIR(2)); - set_field_back(f, A_UNDERLINE | COLOR_PAIR(3)); + set_field_fore(f, (chtype) COLOR_PAIR(2)); + set_field_back(f, (A_UNDERLINE | (chtype) COLOR_PAIR(3))); } else { set_field_fore(f, A_BOLD); } @@ -121,17 +221,7 @@ make_field(int frow, int fcol, int rows, int cols) set_max_field(f, m_value); } - /* - * The userptr is used in edit_field.c's inactive_field(). - */ - ptr = (FieldAttrs *) field_userptr(f); - if (ptr == 0) { - ptr = typeCalloc(FieldAttrs, 1); - ptr->background = field_back(f); - } - set_field_userptr(f, (void *) ptr); - if (t_value) - set_field_buffer(f, 0, t_value); + init_edit_field(f, get_data(label)); } return (f); } @@ -153,10 +243,10 @@ display_form(FORM * f) set_form_sub(f, derwin(w, rows, cols, 1, 2)); box(w, 0, 0); keypad(w, TRUE); - } - if (post_form(f) != E_OK) - wrefresh(w); + if (post_form(f) != E_OK) + wrefresh(w); + } } static void @@ -257,7 +347,7 @@ show_current_field(WINDOW *win, FORM * form) int currow, curcol; if (has_colors()) { - wbkgd(win, COLOR_PAIR(1)); + wbkgd(win, (chtype) COLOR_PAIR(1)); } werase(win); form_getyx(form, currow, curcol); @@ -309,25 +399,28 @@ show_current_field(WINDOW *win, FORM * form) } waddch(win, ' '); - (void) wattrset(win, field_fore(field)); + (void) wattrset(win, AttrArg(field_fore(field), 0)); waddstr(win, "fore"); - wattroff(win, field_fore(field)); + wattroff(win, (int) field_fore(field)); waddch(win, '/'); - (void) wattrset(win, field_back(field)); + (void) wattrset(win, AttrArg(field_back(field), 0)); waddstr(win, "back"); - wattroff(win, field_back(field)); + wattroff(win, (int) field_back(field)); - wprintw(win, ", pad '%c'", - field_pad(field)); + wprintw(win, ", pad '%c'", field_pad(field)); waddstr(win, "\n"); for (nbuf = 0; nbuf <= 2; ++nbuf) { if ((buffer = field_buffer(field, nbuf)) != 0) { wprintw(win, "buffer %d:", nbuf); (void) wattrset(win, A_REVERSE); - waddstr(win, buffer); + if (nbuf) { + waddnstr(win, buffer, trimmed(buffer)); + } else { + waddstr(win, buffer); + } wattroff(win, A_REVERSE); waddstr(win, "\n"); } @@ -341,11 +434,12 @@ demo_forms(void) { WINDOW *w; FORM *form; - FIELD *f[100]; /* FIXME memset to zero */ + FIELD *f[100]; /* will memset to zero */ int finished = 0, c; unsigned n = 0; int pg; WINDOW *also; + const char *fname; #ifdef NCURSES_MOUSE_VERSION mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0); @@ -363,66 +457,76 @@ demo_forms(void) for (pg = 0; pg < 4; ++pg) { char label[80]; sprintf(label, "Sample Form Page %d", pg + 1); - f[n++] = make_label(0, 15, label); + f[n++] = make_label(label, 0, 15); set_new_page(f[n - 1], TRUE); switch (pg) { default: - f[n++] = make_label(2, 0, "Last Name"); - f[n++] = make_field(3, 0, 1, 18); + fname = "Last Name"; + f[n++] = make_label(fname, 2, 0); + f[n++] = make_field(fname, 3, 0, 1, 18); set_field_type(f[n - 1], TYPE_ALPHA, 1); - f[n++] = make_label(2, 20, "First Name"); - f[n++] = make_field(3, 20, 1, 12); + fname = "First Name"; + f[n++] = make_label(fname, 2, 20); + f[n++] = make_field(fname, 3, 20, 1, 12); set_field_type(f[n - 1], TYPE_ALPHA, 1); - f[n++] = make_label(2, 34, "Middle Name"); - f[n++] = make_field(3, 34, 1, 12); + fname = "Middle Name"; + f[n++] = make_label(fname, 2, 34); + f[n++] = make_field(fname, 3, 34, 1, 12); set_field_type(f[n - 1], TYPE_ALPHA, 1); break; case 1: - f[n++] = make_label(2, 0, "Last Name"); - f[n++] = make_field(3, 0, 1, 18); + fname = "Last Name"; + f[n++] = make_label(fname, 2, 0); + f[n++] = make_field(fname, 3, 0, 1, 18); set_field_type(f[n - 1], TYPE_ALPHA, 1); - f[n++] = make_label(2, 20, "First Name"); - f[n++] = make_field(3, 20, 1, 12); + fname = "First Name"; + f[n++] = make_label(fname, 2, 20); + f[n++] = make_field(fname, 3, 20, 1, 12); set_field_type(f[n - 1], TYPE_ALPHA, 1); - f[n++] = make_label(2, 34, "MI"); - f[n++] = make_field(3, 34, 1, 1); + fname = "MI"; + f[n++] = make_label(fname, 2, 34); + f[n++] = make_field(fname, 3, 34, 1, 1); set_field_pad(f[n - 1], '?'); set_field_type(f[n - 1], TYPE_ALPHA, 1); break; case 2: - f[n++] = make_label(2, 0, "Host Name"); - f[n++] = make_field(3, 0, 1, 18); + fname = "Host Name"; + f[n++] = make_label(fname, 2, 0); + f[n++] = make_field(fname, 3, 0, 1, 24); set_field_type(f[n - 1], TYPE_ALNUM, 1); #ifdef NCURSES_VERSION - f[n++] = make_label(2, 20, "IP Address"); - f[n++] = make_field(3, 20, 1, 12); + fname = "IP Address"; + f[n++] = make_label(fname, 2, 26); + f[n++] = make_field(fname, 3, 26, 1, 16); set_field_type(f[n - 1], TYPE_IPV4, 1); #endif break; case 3: - f[n++] = make_label(2, 0, "Four digits"); - f[n++] = make_field(3, 0, 1, 18); + fname = "Four digits"; + f[n++] = make_label(fname, 2, 0); + f[n++] = make_field(fname, 3, 0, 1, 18); set_field_type(f[n - 1], TYPE_INTEGER, 4, 0, 0); - f[n++] = make_label(2, 20, "Numeric"); - f[n++] = make_field(3, 20, 1, 12); + fname = "Numeric"; + f[n++] = make_label(fname, 2, 20); + f[n++] = make_field(fname, 3, 20, 1, 12); set_field_type(f[n - 1], TYPE_NUMERIC, 3, -10000.0, 100000000.0); break; } - f[n++] = make_label(5, 0, "Comments"); - f[n++] = make_field(6, 0, 4, 46); - set_field_buffer(f[n - 1], 0, "HELLO\nWORLD!"); - set_field_buffer(f[n - 1], 1, "Hello\nWorld!"); + fname = "Comments"; + f[n++] = make_label(fname, 5, 0); + f[n++] = make_field(fname, 6, 0, 4, 46); + init_edit_field(f[n - 1], get_data(fname)); } f[n] = (FIELD *) 0; @@ -471,7 +575,7 @@ usage(void) { static const char *tbl[] = { - "Usage: demo_forms [options]" + "Usage: demo_forms [options] [data file]" ,"" ," -d make fields dynamic" ," -j value justify (1=left, 2=center, 3=right)" @@ -517,6 +621,9 @@ main(int argc, char *argv[]) } } + while (optind < argc) { + read_data(argv[optind++]); + } initscr(); cbreak(); @@ -531,7 +638,7 @@ main(int argc, char *argv[]) init_pair(1, COLOR_WHITE, COLOR_BLUE); init_pair(2, COLOR_GREEN, COLOR_BLACK); init_pair(3, COLOR_CYAN, COLOR_BLACK); - bkgd(COLOR_PAIR(1)); + bkgd((chtype) COLOR_PAIR(1)); refresh(); } @@ -540,6 +647,7 @@ main(int argc, char *argv[]) endwin(); ExitProgram(EXIT_SUCCESS); } + #else int main(void) |