113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
#include <form.h>
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void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);
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int main()
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{
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FIELD *field[3];
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FORM *my_form;
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WINDOW *my_form_win;
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int ch, rows, cols;
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/* Initialize curses */
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initscr();
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start_color();
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cbreak();
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noecho();
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keypad(stdscr, TRUE);
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/* Initialize few color pairs */
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init_pair(1, COLOR_RED, COLOR_BLACK);
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/* Initialize the fields */
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field[0] = new_field(1, 10, 6, 1, 0, 0);
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field[1] = new_field(1, 10, 8, 1, 0, 0);
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field[2] = NULL;
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/* Set field options */
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set_field_back(field[0], A_UNDERLINE);
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field_opts_off(field[0], O_AUTOSKIP); /* Don't go to next field when this */
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/* Field is filled up */
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set_field_back(field[1], A_UNDERLINE);
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field_opts_off(field[1], O_AUTOSKIP);
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/* Create the form and post it */
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my_form = new_form(field);
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/* Calculate the area required for the form */
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scale_form(my_form, &rows, &cols);
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/* Create the window to be associated with the form */
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my_form_win = newwin(rows + 4, cols + 4, 4, 4);
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keypad(my_form_win, TRUE);
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/* Set main window and sub window */
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set_form_win(my_form, my_form_win);
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set_form_sub(my_form, derwin(my_form_win, rows, cols, 2, 2));
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/* Print a border around the main window and print a title */
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box(my_form_win, 0, 0);
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print_in_middle(my_form_win, 1, 0, cols + 4, "My Form", COLOR_PAIR(1));
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post_form(my_form);
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wrefresh(my_form_win);
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mvprintw(LINES - 2, 0, "Use UP, DOWN arrow keys to switch between fields");
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refresh();
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/* Loop through to get user requests */
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while((ch = wgetch(my_form_win)) != KEY_F(1))
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{ switch(ch)
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{ case KEY_DOWN:
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/* Go to next field */
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form_driver(my_form, REQ_NEXT_FIELD);
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/* Go to the end of the present buffer */
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/* Leaves nicely at the last character */
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form_driver(my_form, REQ_END_LINE);
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break;
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case KEY_UP:
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/* Go to previous field */
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form_driver(my_form, REQ_PREV_FIELD);
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form_driver(my_form, REQ_END_LINE);
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break;
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default:
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/* If this is a normal character, it gets */
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/* Printed */
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form_driver(my_form, ch);
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break;
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}
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}
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/* Un post form and free the memory */
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unpost_form(my_form);
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free_form(my_form);
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free_field(field[0]);
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free_field(field[1]);
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endwin();
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return 0;
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}
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void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color)
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{ int length, x, y;
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float temp;
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if(win == NULL)
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win = stdscr;
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getyx(win, y, x);
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if(startx != 0)
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x = startx;
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if(starty != 0)
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y = starty;
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if(width == 0)
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width = 80;
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length = strlen(string);
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temp = (width - length)/ 2;
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x = startx + (int)temp;
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wattron(win, color);
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mvwprintw(win, y, x, "%s", string);
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wattroff(win, color);
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refresh();
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}
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