diff options
Diffstat (limited to 'lib/libforms/forms.c')
-rw-r--r-- | lib/libforms/forms.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/lib/libforms/forms.c b/lib/libforms/forms.c deleted file mode 100644 index 2c2a87a..0000000 --- a/lib/libforms/forms.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - * Copyright (c) 1995 - * Paul Richards. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer, - * verbatim and that no modifications are made prior to this - * point in the file. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Paul Richards. - * 4. The name Paul Richards may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -#include <strhash.h> -#include <ctype.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ncurses.h> -#include <forms.h> -#include <err.h> - -#include "internal.h" - -extern FILE *yyin; -hash_table *root_table, *cbind; -OBJECT *cur_obj; -int done; - -/* Default attribute commands */ -struct attr_cmnd attr_cmnds[] = { - {"box", ATTR_BOX }, - {"center", ATTR_CENTER }, - {"right", ATTR_RIGHT } -}; - -/* Internal bindings */ - -struct intbind { - char *key; - void *addr; -}; - -struct intbind internal_bindings[] = { - {"draw_box", &draw_box}, - {"draw_shadow", &draw_shadow} -}; - -/* Bind the internal function addresses */ - -void -bind_internals(hash_table *table) -{ - int i; - - for (i=0; i < (sizeof internal_bindings)/(sizeof (struct intbind)); i++) - if (bind_tuple(table, internal_bindings[i].key, - TT_FUNC, internal_bindings[i].addr) == ST_ERROR) - errx(-1, "Failed to bind internal tuples"); -} - -/* - * Find the default device and open a display on it. - */ - -DISPLAY * -default_open(DISPLAY *display) -{ - /* XXX -- not implemented, just calls ncurses */ - return (ncurses_open(display)); - -} - -int -load_objects(const char *filename) -{ - FILE *fd; - - root_table = hash_create(0); - if (!root_table) - errx(-1, "Failed to allocate root bindings table"); - - cbind = root_table; - - bind_internals(root_table); - - if (!(fd = fopen(filename, "r"))) { - warn("Couldn't open file %s", filename); - return (ST_ERROR); - } - - yyin = fd; - yyparse(); - - if (fclose(fd)) { - warn("Couldn't close file %s", filename); - return (ST_ERROR); - } - - return (ST_OK); -} - -int -start_object(char *objname) -{ - TUPLE *tuple; - OBJECT *object; - - tuple = get_tuple(root_table, objname, TT_OBJ_INST); - if (!tuple) - return (ST_NOBIND); - - object = (OBJECT *)tuple->addr; - cur_obj = object; - - set_display(object->display); - - cur_obj->status |= O_VISIBLE; - - while (!done) { - hash_traverse(root_table, &display_tuples, root_table); - hash_traverse(root_table, &refresh_displays, root_table); - process_object(cur_obj); - } - return (ST_DONE); -} - -int -call_function(char *func, OBJECT *obj) -{ - TUPLE *tuple; - - tuple = tuple_search(obj, func, TT_FUNC); - if (!tuple) - return (0); - - (*tuple->addr)(obj); - return (1); -} - -set_display(DISPLAY *display) -{ - switch (display->type) { - case DT_NCURSES: - ncurses_set_display(display); - break; - default: - break; - } -} - -void -display_object(OBJECT *obj) -{ - switch(obj->display->type) { - case DT_NCURSES: - ncurses_display_object(obj); - break; - default: - break; - } -} - -void -process_object(OBJECT *obj) -{ - TUPLE *tuple; - - /* Call user routine, if there is one. */ - if (obj->UserProcFunc) - if (call_function(obj->UserProcFunc, obj)) - return; - - /* Find the first non-compound object or a default override */ - while (obj->type == OT_COMPOUND) { - tuple = tuple_search(obj, obj->object.compound->defobj, TT_OBJ_INST); - obj = (OBJECT *)tuple->addr; - } - cur_obj = obj; - - switch(obj->display->type) { - case DT_NCURSES: - ncurses_process_object(obj); - break; - default: - break; - } -} - -int -refresh_displays(char *key, void *data, void *arg) -{ - TUPLE *tuple = (TUPLE *)data; - DISPLAY *display; - - if (tuple->type == TT_DISPLAY) - display = (DISPLAY *)tuple->addr; - switch (display->type) { - case DT_NCURSES: - ncurses_refresh_display(display); - break; - default: - break; - } - - return (1); -} - -int -display_tuples(char *key, void *data, void *arg) -{ - TUPLE *tuple = (TUPLE *)data; - OBJECT *obj; - void (* fn)(); - - switch(tuple->type) { - case TT_OBJ_INST: - obj = (OBJECT *)tuple->addr; - - /* Call user routine, if there is one. */ - if (obj->UserDrawFunc) { - if (!call_function(obj->UserDrawFunc, obj)) - display_object(obj); - } else - display_object(obj); - - /* Display sub-objects */ - if (obj->bind) - hash_traverse(obj->bind, &display_tuples, 0); - break; - default: - break; - } - return (1); -} - -AttrType -parse_default_attributes(char *string) -{ - int i; - - for (i=0; i < (sizeof attr_cmnds) / (sizeof (struct attr_cmnd)); i++) - if (!strcmp(string, attr_cmnds[i].attr_name)) - return (attr_cmnds[i].attr_type); - return (ATTR_UNKNOWN); -} |