Add all the necessary bits to use color if the terminal allows it.
You can now specify separate attributes for selected/not selected cases individually for each field and also an attr for the form as a whole so you can now have colored backgrounds for the form and different coloured fields etc. Update the example. Change the copyright to a BSD style one.
This commit is contained in:
paul
parent
f5db704703
commit
98c415953e
@ -1,5 +1,10 @@
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Colors example {
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pair = red, yellow
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pair = blue, white
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}
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Field Title {
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attributes = A_BOLD
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attributes = COLOR_PAIR(2)
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text = "A Simple Demo"
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}
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@ -37,13 +42,13 @@ Field field7 {
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Field field8 {
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width = 6
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attributes = A_BOLD|A_REVERSE
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action = "EXIT"
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function = exit_form
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}
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Field field9 {
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attributes = A_BOLD|A_REVERSE
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attributes = COLOR_PAIR(1)
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highlight = COLOR_PAIR(1)|A_BOLD
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action = "CANCEL"
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function = cancel_form
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}
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@ -80,6 +85,8 @@ Link cancel as field9 {
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Form example at 0,0 {
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height = 24
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width = 80
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colortable = example
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attributes = COLOR_PAIR(1)
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Field Title at 0,30
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@ -1,24 +1,46 @@
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/*
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* Copyright (c) 1995 Paul Richards.
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/*-
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* Copyright (c) 1995
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* Paul Richards. All rights reserved.
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*
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Paul Richards.
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* 4. The name Paul Richards may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This software may be used, modified, copied, distributed, and
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* sold, in both source and binary form provided that the above
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* copyright and these terms are retained, verbatim, as the first
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* lines of this file. Under no circumstances is the author
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* responsible for the proper functioning of this software, nor does
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* the author assume any responsibility for damages incurred with
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* its use.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <forms.h>
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#include <ncurses.h>
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#include "internal.h"
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unsigned int keymap[] = {
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unsigned int f_keymap[] = {
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KEY_UP, /* F_UP */
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KEY_DOWN, /* F_DOWN */
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9, /* F_RIGHT */
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@ -28,8 +50,9 @@ unsigned int keymap[] = {
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KEY_RIGHT, /* F_CRIGHT */
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KEY_HOME, /* F_CHOME */
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KEY_END, /* F_CEND */
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263, /* F_CBS */
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330 /* F_CDEL */
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263, /* F_CBS */
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330, /* F_CDEL */
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10 /* F_ACCEPT */
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};
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int done=0;
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@ -39,7 +62,15 @@ initfrm(struct form *form)
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{
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struct field *field = &form->field[0];
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int i;
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if (has_colors()) {
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start_color();
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if (form->color_table)
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for (i=0; form->color_table[i].f != -1; i++) {
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init_pair(i+1, form->color_table[i].f, form->color_table[i].b);
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}
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}
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cbreak();
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noecho();
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@ -52,6 +83,7 @@ initfrm(struct form *form)
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keypad(form->window, TRUE);
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while (field->type != F_END) {
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if (field->type == F_INPUT) {
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field->field.input->input = malloc(field->field.input->limit);
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@ -81,6 +113,7 @@ initfrm(struct form *form)
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form->no_fields++;
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field = &form->field[form->no_fields];
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}
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form->current_field = form->start_field;
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show_form(form);
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return (OK);
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}
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@ -104,12 +137,14 @@ endfrm(struct form *form)
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int
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update_form(struct form *form)
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{
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int selattr;
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show_form(form);
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if (form->current_field == -1)
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return (F_CANCEL);
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wattrset(form->window, form->field[form->current_field].selattr);
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switch (form->field[form->current_field].type) {
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case F_MENU:
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field_menu(form);
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@ -125,6 +160,7 @@ update_form(struct form *form)
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print_status("Error, current field is invalid");
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return (F_CANCEL);
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}
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wattrset(form->window, 0);
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return (done);
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}
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@ -133,9 +169,15 @@ static void
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show_form(struct form *form)
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{
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int i;
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int y, x;
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wattrset(form->window, form->attr);
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for (y = 0; y < form->height; y++)
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for (x = 0; x < form->width; x++)
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mvwaddch(form->window, y, x, ' ');
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for (i=0; i < form->no_fields; i++) {
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wattrset(form->window, 0);
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wattrset(form->window, form->field[i].attr);
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wmove(form->window, form->field[i].y, form->field[i].x);
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switch (form->field[i].type) {
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case F_TEXT:
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@ -155,6 +197,7 @@ show_form(struct form *form)
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break;
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}
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}
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wattrset(form->window, 0);
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wrefresh(form->window);
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}
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@ -164,8 +207,6 @@ disp_text(struct form *form, int index)
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struct field *field = &form->field[index];
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wattron(form->window, field->attr);
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if (print_string(form->window, field->y, field->x,
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field->width, field->field.text->text) == ERR)
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print_status("Illegal scroll in print_string");
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@ -177,8 +218,6 @@ disp_input(struct form *form, int index)
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struct field *field = &form->field[index];
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wattron(form->window, field->attr);
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if (field->field.input->lbl_flag) {
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if (print_string(form->window, field->y, field->x,
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field->width, field->field.input->label) == ERR)
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@ -187,7 +226,6 @@ disp_input(struct form *form, int index)
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if (print_string(form->window, field->y, field->x,
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field->width, field->field.input->input) == ERR)
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print_status("Illegal scroll in print_string");
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}
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static void
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@ -195,8 +233,6 @@ disp_menu(struct form *form, int index)
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{
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struct field *field = &form->field[index];
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wattron(form->window, field->attr);
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if (print_string(form->window, field->y, field->x,
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field->width,
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field->field.menu->options[field->field.menu->selected]) == ERR)
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@ -208,14 +244,10 @@ disp_action(struct form *form, int index)
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{
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struct field *field = &form->field[index];
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wattron(form->window, field->attr);
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if (print_string(form->window, field->y, field->x,
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field->width,
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field->field.action->text) == ERR)
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print_status("Illegal scroll in print_string");
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}
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static void
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@ -226,7 +258,6 @@ field_action(struct form *form)
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int ch;
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for (;;) {
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wattron(form->window, F_SELATTR);
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disp_action(form, form->current_field);
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wmove(form->window, field->y, field->x);
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ch = wgetch(form->window);
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@ -247,7 +278,6 @@ field_menu(struct form *form)
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int ch;
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for (;;) {
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wattron(form->window, F_SELATTR);
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disp_menu(form, form->current_field);
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wmove(form->window, field->y, field->x);
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switch (ch = wgetch(form->window)) {
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@ -367,7 +397,6 @@ field_input(struct form *form)
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#define CURSPOS ((len < field->width) ? len : field->width)
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len = strlen(field->field.input->input);
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wattron(form->window, F_SELATTR);
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disp_input(form, form->current_field);
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cursor = CURSPOS;
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@ -1,15 +1,35 @@
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/*
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* Copyright (c) 1995 Paul Richards.
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/*-
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* Copyright (c) 1995
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* Paul Richards. All rights reserved.
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*
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Paul Richards.
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* 4. The name Paul Richards may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This software may be used, modified, copied, distributed, and
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* sold, in both source and binary form provided that the above
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* copyright and these terms are retained, verbatim, as the first
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* lines of this file. Under no circumstances is the author
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* responsible for the proper functioning of this software, nor does
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* the author assume any responsibility for damages incurred with
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* its use.
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*/
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#include <ncurses.h>
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@ -26,14 +46,22 @@
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#define F_DONE 1
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#define F_CANCEL -1
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struct col_pair {
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int f;
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int b;
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};
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struct form {
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int no_fields;
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int start_field;
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int current_field;
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struct field *field;
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int height;
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int width;
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int y;
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int x;
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int attr;
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struct col_pair *color_table;
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WINDOW *window;
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};
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@ -68,6 +96,7 @@ struct field {
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int x;
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int width;
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int attr;
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int selattr;
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int next;
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int up;
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int down;
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@ -12,18 +12,18 @@
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* its use.
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*/
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#define F_UP keymap[0]
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#define F_DOWN keymap[1]
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#define F_RIGHT keymap[2]
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#define F_LEFT keymap[3]
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#define F_NEXT keymap[4]
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#define F_CLEFT keymap[5]
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#define F_CRIGHT keymap[6]
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#define F_CHOME keymap[7]
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#define F_CEND keymap[8]
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#define F_CBS keymap[9]
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#define F_CDEL keymap[10]
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#define F_ACCEPT F_NEXT
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#define F_UP f_keymap[0]
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#define F_DOWN f_keymap[1]
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#define F_RIGHT f_keymap[2]
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#define F_LEFT f_keymap[3]
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#define F_NEXT f_keymap[4]
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#define F_CLEFT f_keymap[5]
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#define F_CRIGHT f_keymap[6]
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#define F_CHOME f_keymap[7]
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#define F_CEND f_keymap[8]
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#define F_CBS f_keymap[9]
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#define F_CDEL f_keymap[10]
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#define F_ACCEPT f_keymap[11]
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/* Private function declarations */
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static void show_form(struct form *);
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