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-rw-r--r--gnu/lib/libdialog/msgbox.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/gnu/lib/libdialog/msgbox.c b/gnu/lib/libdialog/msgbox.c
deleted file mode 100644
index 41d78c8..0000000
--- a/gnu/lib/libdialog/msgbox.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
- * msgbox.c -- implements the message box and info box
- *
- * AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <dialog.h>
-#include "dialog.priv.h"
-
-
-/* local prototypes */
-static int getnlines(unsigned char *buf);
-static void print_page(WINDOW *win, int height, int width, unsigned char *buf, int startline, int hscroll);
-static void print_perc(WINDOW *win, int y, int x, float p);
-
-
-/*
- * Display a message box. Program will pause and display an "OK" button
- * if the parameter 'pause' is non-zero.
- */
-int dialog_msgbox(unsigned char *title, unsigned char *prompt, int height, int width, int pause)
-{
- int i, j, x, y, key = 0;
- WINDOW *dialog;
-
- if (height < 0)
- height = strheight(prompt)+2+2*(!!pause);
- if (width < 0) {
- i = strwidth(prompt);
- j = ((title != NULL) ? strwidth(title) : 0);
- width = MAX(i,j)+4;
- }
- if (pause)
- width = MAX(width,10);
-
- if (width > COLS)
- width = COLS;
- if (height > LINES)
- height = LINES;
- /* center dialog box on screen */
- x = DialogX ? DialogX : (COLS - width)/2;
- y = DialogY ? DialogY : (LINES - height)/2;
-
-#ifdef HAVE_NCURSES
- if (use_shadow)
- draw_shadow(stdscr, y, x, height, width);
-#endif
- dialog = newwin(height, width, y, x);
- if (dialog == NULL) {
- endwin();
- fprintf(stderr, "\nnewwin(%d,%d,%d,%d) failed, maybe wrong dims\n", height,width,y,x);
- exit(1);
- }
- keypad(dialog, TRUE);
-
- draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
-
- if (title != NULL) {
- wattrset(dialog, title_attr);
- wmove(dialog, 0, (width - strlen(title))/2 - 1);
- waddch(dialog, ' ');
- waddstr(dialog, title);
- waddch(dialog, ' ');
- }
- wattrset(dialog, dialog_attr);
- wmove(dialog, 1, 2);
- print_autowrap(dialog, prompt, height-1, width-2, width, 1, 2, TRUE, FALSE);
-
- if (pause) {
- wattrset(dialog, border_attr);
- wmove(dialog, height-3, 0);
- waddch(dialog, ACS_LTEE);
- for (i = 0; i < width-2; i++)
- waddch(dialog, ACS_HLINE);
- wattrset(dialog, dialog_attr);
- waddch(dialog, ACS_RTEE);
- wmove(dialog, height-2, 1);
- for (i = 0; i < width-2; i++)
- waddch(dialog, ' ');
- display_helpline(dialog, height-1, width);
- print_button(dialog, " OK ", height-2, width/2-6, TRUE);
- wrefresh(dialog);
- while (key != ESC && key != '\n' && key != ' ' && key != '\r')
- key = wgetch(dialog);
- if (key == '\r')
- key = '\n';
- }
- else {
- key = '\n';
- wrefresh(dialog);
- }
-
- delwin(dialog);
- return (key == ESC ? -1 : 0);
-}
-/* End of dialog_msgbox() */
-
-int
-dialog_mesgbox(unsigned char *title, unsigned char *prompt, int height, int width)
-/*
- * Desc: basically the same as dialog_msgbox, but ... can use PGUP, PGDN and
- * arrowkeys to move around the text and pause is always enabled
- */
-{
- int i, j, x, y, key=0;
- int theight, startline, hscroll, max_lines;
- WINDOW *dialog;
-
- if (height < 0)
- height = strheight(prompt)+2+2;
- if (width < 0) {
- i = strwidth(prompt);
- j = ((title != NULL) ? strwidth(title) : 0);
- width = MAX(i,j)+4;
- }
- width = MAX(width,10);
-
- if (width > COLS)
- width = COLS;
- if (height > LINES)
- height = LINES;
- /* center dialog box on screen */
- x = (COLS - width)/2;
- y = (LINES - height)/2;
-
-#ifdef HAVE_NCURSES
- if (use_shadow)
- draw_shadow(stdscr, y, x, height, width);
-#endif
- dialog = newwin(height, width, y, x);
- if (dialog == NULL) {
- endwin();
- fprintf(stderr, "\nnewwin(%d,%d,%d,%d) failed, maybe wrong dims\n", height,width,y,x);
- exit(1);
- }
- keypad(dialog, TRUE);
-
- draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
-
- if (title != NULL) {
- wattrset(dialog, title_attr);
- wmove(dialog, 0, (width - strlen(title))/2 - 1);
- waddch(dialog, ' ');
- waddstr(dialog, title);
- waddch(dialog, ' ');
- }
-
- wattrset(dialog, border_attr);
- wmove(dialog, height-3, 0);
- waddch(dialog, ACS_LTEE);
- for (i = 0; i < width-2; i++)
- waddch(dialog, ACS_HLINE);
- wattrset(dialog, dialog_attr);
- waddch(dialog, ACS_RTEE);
- wmove(dialog, height-2, 1);
- for (i = 0; i < width-2; i++)
- waddch(dialog, ' ');
- display_helpline(dialog, height-1, width);
- print_button(dialog, " OK ", height-2, width/2-6, TRUE);
- wattrset(dialog, dialog_attr);
-
- theight = height - 4;
- startline = 0;
- hscroll = 0;
- max_lines = getnlines(prompt);
- print_page(dialog, theight, width, prompt, startline, hscroll);
- print_perc(dialog, height-3, width-9, (float) (startline+theight)/max_lines);
- wmove(dialog, height-2, width/2-3);
- wrefresh(dialog);
- while ((key != ESC) && (key != '\n') && (key != '\r') && (key != ' ')) {
- key = wgetch(dialog);
- switch(key) {
- case KEY_HOME:
- startline=0;
- hscroll=0;
- break;
- case KEY_END:
- startline = max_lines - theight;
- if (startline < 0) startline = 0;
- break;
- case '\020': /* ^P */
- case KEY_UP:
- if (startline > 0) startline--;
- break;
- case '\016': /* ^N */
- case KEY_DOWN:
- if (startline < max_lines - theight) startline++;
- break;
- case KEY_RIGHT:
- hscroll+=5;
- break;
- case KEY_LEFT:
- if (hscroll > 0) hscroll-=5;
- if (hscroll < 0) hscroll =0;
- break;
- case KEY_PPAGE:
- if (startline - height > 0) {
- startline -= theight;
- } else {
- startline = 0;
- }
- break;
- case KEY_NPAGE:
- if (startline + theight < max_lines - theight) {
- startline += theight;
- } else {
- startline = max_lines - theight;
- if (startline < 0) startline = 0;
- }
- break;
- case KEY_F(1):
- case '?':
- display_helpfile();
- break;
- }
- print_page(dialog, theight, width, prompt, startline, hscroll);
- print_perc(dialog, height-3, width-9, (float) (startline+theight)/max_lines);
- wmove(dialog, height-2, width/2-3);
- wrefresh(dialog);
- }
-
- delwin(dialog);
- return (key == ESC ? -1 : 0);
-
-} /* dialog_mesgbox() */
-
-static void
-print_perc(WINDOW *win, int y, int x, float p)
-/*
- * Desc: print p as a percentage at the coordinates (y,x)
- */
-{
- char ps[10];
-
- if (p>1.0) p=1.0;
- sprintf(ps, "(%3d%%)", (int) (p*100));
- wmove(win, y, x);
- waddstr(win, ps);
-
- return;
-} /* print_perc() */
-
-static int
-getnlines(unsigned char *buf)
-/*
- * Desc: count the # of lines in <buf>
- */
-{
- int i = 0;
-
- if (*buf)
- i++;
- while (*buf) {
- if (*buf == '\n' || *buf == '\r')
- i++;
- buf++;
- }
- return(i);
-} /* getlines() */
-
-
-unsigned char *
-getline(unsigned char *buf, int n)
-/*
- * Desc: return a pointer to the n'th line in <buf> or NULL if its
- * not there
- */
-{
- int i;
-
- if (n<0) {
- return(NULL);
- }
-
- i=0;
- while (*buf && i<n) {
- if (*buf == '\n' || *buf == '\r') {
- i++;
- }
- buf++;
- }
- if (i<n) {
- return(NULL);
- } else {
- return(buf);
- }
-} /* getline() */
-
-static void
-print_page(WINDOW *win, int height, int width, unsigned char *buf, int startline, int hscroll)
-/*
- * Desc: Print a page of text in the current window, starting at line <startline>
- * with a <horizontal> scroll of hscroll from buffer <buf>
- */
-{
- int i, j;
- unsigned char *b;
-
- b = getline(buf, startline);
- for (i=0; i<height; i++) {
- /* clear line */
- wmove(win, 1+i, 1);
- for (j=0; j<width-2; j++) waddnstr(win, " ", 1);
- wmove(win, 1+i, 1);
- j = 0;
- /* scroll to the right */
- while (*b && (*b != '\n') && (*b != '\r') && (j<hscroll)) {
- b++;
- j++;
- }
- /* print new line */
- j = 0;
- while (*b && (*b != '\n') && (*b != '\r') && (j<width-2)) {
- waddnstr(win, b, 1);
- if (*b != '\t') { /* check for tabs */
- j++;
- } else {
- j = ((int) (j+1)/8 + 1) * 8 - 1;
- }
- b++;
- }
- while (*b && (*b != '\n') && (*b != '\r')) b++;
- if (*b) b++; /* skip over '\n', if it exists */
- }
-} /* print_page() */
-
-
-
-
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