X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fdemo_forms.c;h=97125e396e5fc0720069a08117ef9a6075588b32;hp=03965aaf43f02ee50243465bd0b6b97baac20659;hb=21c8ffa0edf2e389f3f674f0c08009002c6f357d;hpb=a8987e73ec254703634802b4f7ee30d3a485524d diff --git a/test/demo_forms.c b/test/demo_forms.c index 03965aaf..97125e39 100644 --- a/test/demo_forms.c +++ b/test/demo_forms.c @@ -1,36 +1,47 @@ +/**************************************************************************** + * 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 * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ /* - * $Id: demo_forms.c,v 1.3 2003/05/03 22:08:20 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 */ /* -TYPE_ALNUM - TYPE_ENUM - -TYPE_INTEGER - -TYPE_IPV4 - -TYPE_NUMERIC - TYPE_REGEXP - -data_ahead - -data_behind - dup_field - -dynamic_field_info - -field_arg - -field_back - -field_count - -field_fore - field_init - field_just - -field_opts_on - -field_pad - -field_status - field_term - -field_type - form_init - form_opts - form_opts_off - form_opts_on - -form_page - form_request_by_name - form_term - form_userptr - @@ -40,11 +51,7 @@ link_fieldtype - move_field - new_page - pos_form_cursor - -set_current_field - -set_field_fore - set_field_init - -set_field_pad - -set_field_status - set_field_term - set_fieldtype_arg - set_fieldtype_choice - @@ -63,14 +70,122 @@ set_max_field - #include +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, strlen(label), frow, fcol, 0, 0); + FIELD *f = new_field(1, (int) strlen(label), frow, fcol, 0, 0); if (f) { set_field_buffer(f, 0, label); - set_field_opts(f, field_opts(f) & ~O_ACTIVE); + set_field_opts(f, (int) ((unsigned) field_opts(f) & ~O_ACTIVE)); } return (f); } @@ -79,13 +194,34 @@ 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, 0, 1); + FIELD *f = new_field(rows, cols, frow, fcol, o_value, 1); if (f) { set_field_back(f, A_UNDERLINE); - set_field_userptr(f, (void *) 0); + /* + * If -j and -d options are combined, -j loses. It is documented in + * "Character User Interface Programming", page 12-15 that setting + * O_STATIC off makes the form library ignore justification. + */ + set_field_just(f, j_value); + if (d_option) { + if (has_colors()) { + 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); + } + /* + * The field_opts_off() call dumps core with Solaris curses, + * but that is a known bug in Solaris' form library -TD + */ + field_opts_off(f, O_STATIC); + set_max_field(f, m_value); + } + + init_edit_field(f, get_data(label)); } return (f); } @@ -107,10 +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 @@ -126,17 +262,73 @@ erase_form(FORM * f) delwin(w); } +static void +show_insert_mode(bool insert_mode) +{ + MvAddStr(5, 57, (insert_mode + ? "form_status: insert " + : "form_status: overlay")); +} + +#define O_SELECTABLE (O_ACTIVE | O_VISIBLE) + +static FIELD * +another_field(FORM * form, FIELD * field) +{ + FIELD **f = form_fields(form); + FIELD *result = 0; + int n; + + for (n = 0; f[n] != 0; ++n) { + if (f[n] != field) { + result = f[n]; + field_opts_on(result, O_SELECTABLE); + break; + } + } + return result; +} + static int my_form_driver(FORM * form, int c) { + static bool insert_mode = TRUE; + FIELD *field; + switch (c) { - case EDIT_FIELD('q'): + case MY_QUIT: if (form_driver(form, REQ_VALIDATION) == E_OK) return (TRUE); break; - case EDIT_FIELD('h'): + case MY_HELP: help_edit_field(); break; + case MY_EDT_MODE: + if ((field = current_field(form)) != 0) { + set_current_field(form, another_field(form, field)); + if ((unsigned) field_opts(field) & O_EDIT) { + field_opts_off(field, O_EDIT); + set_field_status(field, 0); + } else { + field_opts_on(field, O_EDIT); + } + set_current_field(form, field); + } + break; + case MY_INS_MODE: + /* there should be a form_status() function, but there is none */ + if (!insert_mode) { + if (form_driver(form, REQ_INS_MODE) == E_OK) { + insert_mode = TRUE; + } + } else { + if (form_driver(form, REQ_OVL_MODE) == E_OK) { + insert_mode = FALSE; + } + } + show_insert_mode(insert_mode); + refresh(); + break; default: beep(); break; @@ -151,14 +343,26 @@ show_current_field(WINDOW *win, FORM * form) FIELDTYPE *type; char *buffer; int nbuf; + int field_rows, field_cols, field_max; + int currow, curcol; if (has_colors()) { - wbkgd(win, COLOR_PAIR(1)); + wbkgd(win, (chtype) COLOR_PAIR(1)); } werase(win); - wprintw(win, "Cursor: %d,%d\n", form->currow, form->curcol); + form_getyx(form, currow, curcol); + wprintw(win, "Cursor: %d,%d", currow, curcol); + if (data_ahead(form)) + waddstr(win, " ahead"); + if (data_behind(form)) + waddstr(win, " behind"); + waddch(win, '\n'); if ((field = current_field(form)) != 0) { - wprintw(win, "Field %d:", field_index(field)); + wprintw(win, "Page %d%s, Field %d/%d%s:", + form_page(form), + new_page(field) ? "*" : "", + field_index(field), field_count(form), + field_arg(field) ? "(arg)" : ""); if ((type = field_type(field)) != 0) { if (type == TYPE_ALNUM) waddstr(win, "ALNUM"); @@ -168,6 +372,10 @@ show_current_field(WINDOW *win, FORM * form) waddstr(win, "ENUM"); else if (type == TYPE_INTEGER) waddstr(win, "INTEGER"); +#ifdef NCURSES_VERSION + else if (type == TYPE_IPV4) + waddstr(win, "IPV4"); +#endif else if (type == TYPE_NUMERIC) waddstr(win, "NUMERIC"); else if (type == TYPE_REGEXP) @@ -175,12 +383,44 @@ show_current_field(WINDOW *win, FORM * form) else waddstr(win, "other"); } + + if ((unsigned) field_opts(field) & O_EDIT) + waddstr(win, " editable"); + else + waddstr(win, " readonly"); + + if (field_status(field)) + waddstr(win, " modified"); + + if (dynamic_field_info(field, &field_rows, &field_cols, &field_max) + != ERR) { + wprintw(win, " size %dx%d (max %d)", + field_rows, field_cols, field_max); + } + + waddch(win, ' '); + (void) wattrset(win, AttrArg(field_fore(field), 0)); + waddstr(win, "fore"); + wattroff(win, (int) field_fore(field)); + + waddch(win, '/'); + + (void) wattrset(win, AttrArg(field_back(field), 0)); + waddstr(win, "back"); + wattroff(win, (int) field_back(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); - wattrset(win, A_REVERSE); - waddstr(win, buffer); + (void) wattrset(win, A_REVERSE); + if (nbuf) { + waddnstr(win, buffer, trimmed(buffer)); + } else { + waddstr(win, buffer); + } wattroff(win, A_REVERSE); waddstr(win, "\n"); } @@ -194,77 +434,197 @@ demo_forms(void) { WINDOW *w; FORM *form; - FIELD *f[100]; + 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); +#endif help_edit_field(); - mvaddstr(4, 57, "Forms Entry Test"); + MvAddStr(4, 57, "Forms Entry Test"); + show_insert_mode(TRUE); refresh(); /* describe the form */ - for (pg = 0; pg < 3; ++pg) { + memset(f, 0, sizeof(f)); + 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); - f[n++] = make_label(2, 0, "Last Name"); - f[n++] = make_field(3, 0, 1, 18); - set_field_type(f[n - 1], TYPE_ALPHA, 1); + switch (pg) { + default: + 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); + + 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); + + 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: + 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); + + 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); + + 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: + 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 + 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: + 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, "First Name"); - f[n++] = make_field(3, 20, 1, 12); - set_field_type(f[n - 1], TYPE_ALPHA, 1); + 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); - f[n++] = make_label(2, 34, "Middle Name"); - f[n++] = make_field(3, 34, 1, 12); - set_field_type(f[n - 1], TYPE_ALPHA, 1); + break; + } - f[n++] = make_label(5, 0, "Comments"); - f[n++] = make_field(6, 0, 4, 46); + 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; + f[n] = (FIELD *) 0; - form = new_form(f); + if ((form = new_form(f)) != 0) { - display_form(form); + display_form(form); - w = form_win(form); - also = newwin(getmaxy(stdscr) - getmaxy(w), COLS, getmaxy(w), 0); - show_current_field(also, form); + w = form_win(form); + also = newwin(getmaxy(stdscr) - getmaxy(w), COLS, getmaxy(w), 0); + show_current_field(also, form); - while (!finished) { - switch (edit_field(form, &c)) { - case E_OK: - break; - case E_UNKNOWN_COMMAND: - finished = my_form_driver(form, c); - break; - default: - beep(); - break; + while (!finished) { + switch (edit_field(form, &c)) { + case E_OK: + break; + case E_UNKNOWN_COMMAND: + finished = my_form_driver(form, c); + break; + default: + beep(); + break; + } + show_current_field(also, form); } - show_current_field(also, form); - } - erase_form(form); + erase_form(form); - free_form(form); - for (c = 0; f[c] != 0; c++) + free_form(form); + } + for (c = 0; f[c] != 0; c++) { + void *ptr = field_userptr(f[c]); + free(ptr); free_field(f[c]); + } noraw(); nl(); + +#ifdef NCURSES_MOUSE_VERSION + mousemask(0, (mmask_t *) 0); +#endif +} + +static void +usage(void) +{ + static const char *tbl[] = + { + "Usage: demo_forms [options] [data file]" + ,"" + ," -d make fields dynamic" + ," -j value justify (1=left, 2=center, 3=right)" + ," -m value set maximum size of dynamic fields" + ," -o value specify number of offscreen rows in new_field()" + ," -t value specify text to fill fields initially" + }; + unsigned int j; + for (j = 0; j < SIZEOF(tbl); ++j) + fprintf(stderr, "%s\n", tbl[j]); + exit(EXIT_FAILURE); } int -main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) +main(int argc, char *argv[]) { + int ch; + + setlocale(LC_ALL, ""); + + while ((ch = getopt(argc, argv, "dj:m:o:t:")) != -1) { + switch (ch) { + case 'd': + d_option = TRUE; + break; + case 'j': + j_value = atoi(optarg); + if (j_value < NO_JUSTIFICATION + || j_value > JUSTIFY_RIGHT) + usage(); + break; + case 'm': + m_value = atoi(optarg); + break; + case 'o': + o_value = atoi(optarg); + break; + case 't': + t_value = optarg; + break; + default: + usage(); + + } + } + while (optind < argc) { + read_data(argv[optind++]); + } + initscr(); cbreak(); noecho(); @@ -276,15 +636,18 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) if (has_colors()) { start_color(); init_pair(1, COLOR_WHITE, COLOR_BLUE); - bkgd(COLOR_PAIR(1)); + init_pair(2, COLOR_GREEN, COLOR_BLACK); + init_pair(3, COLOR_CYAN, COLOR_BLACK); + bkgd((chtype) COLOR_PAIR(1)); refresh(); } demo_forms(); endwin(); - return EXIT_SUCCESS; + ExitProgram(EXIT_SUCCESS); } + #else int main(void)