1971864966
break mixed form dialogs in conjunction with the FreeBSD termcap, making the bsdinstall partition editor Add dialog, among other things, completely nonfunctional. This restores dialog 20110707.
261 lines
6.2 KiB
C
261 lines
6.2 KiB
C
/*
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* $Id: arrows.c,v 1.36 2011/06/27 09:13:56 tom Exp $
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*
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* arrows.c -- draw arrows to indicate end-of-range for lists
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*
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* Copyright 2000-2010,2011 Thomas E. Dickey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License, version 2.1
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to
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* Free Software Foundation, Inc.
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* 51 Franklin St., Fifth Floor
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* Boston, MA 02110, USA.
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*/
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#include <dialog.h>
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#ifdef USE_WIDE_CURSES
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#if defined(CURSES_WACS_ARRAY) && !defined(CURSES_WACS_SYMBOLS)
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/* workaround for NetBSD 5.1 curses */
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#undef WACS_DARROW
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#undef WACS_UARROW
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#define WACS_DARROW &(CURSES_WACS_ARRAY['.'])
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#define WACS_UARROW &(CURSES_WACS_ARRAY['-'])
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#endif
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#define add_acs(win, code) wadd_wch(win, W ## code)
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#else
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#define add_acs(win, code) waddch(win, dlg_boxchar(code))
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#endif
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/* size of decorations */
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#define ON_LEFT 4
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#define ON_RIGHT 3
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#ifdef HAVE_COLOR
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static chtype
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merge_colors(chtype foreground, chtype background)
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{
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chtype result = foreground;
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if ((foreground & A_COLOR) != (background & A_COLOR)) {
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short fg_f, bg_f;
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short fg_b, bg_b;
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short fg_pair = (short) PAIR_NUMBER(foreground);
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short bg_pair = (short) PAIR_NUMBER(background);
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if (pair_content(fg_pair, &fg_f, &bg_f) != ERR
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&& pair_content(bg_pair, &fg_b, &bg_b) != ERR) {
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result &= ~A_COLOR;
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result |= dlg_color_pair(fg_f, bg_b);
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}
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}
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return result;
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}
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#else
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#define merge_colors(f,b) (f)
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#endif
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/*
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* If we have help-line text, e.g., from "--hline", draw it between the other
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* decorations at the bottom of the dialog window.
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*/
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void
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dlg_draw_helpline(WINDOW *win, bool decorations)
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{
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int cur_x, cur_y;
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int bottom;
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if (dialog_vars.help_line != 0
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&& (bottom = getmaxy(win) - 1) > 0) {
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chtype attr = A_NORMAL;
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const int *cols = dlg_index_columns(dialog_vars.help_line);
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int other = decorations ? (ON_LEFT + ON_RIGHT) : 0;
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int avail = (getmaxx(win) - other - 2);
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int limit = dlg_limit_columns(dialog_vars.help_line, avail, 0);
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if (limit > 0) {
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getyx(win, cur_y, cur_x);
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other = decorations ? ON_LEFT : 0;
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(void) wmove(win, bottom, other + (avail - limit) / 2);
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waddch(win, '[');
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dlg_print_text(win, dialog_vars.help_line, cols[limit], &attr);
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waddch(win, ']');
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wmove(win, cur_y, cur_x);
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}
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}
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}
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void
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dlg_draw_arrows2(WINDOW *win,
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int top_arrow,
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int bottom_arrow,
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int x,
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int top,
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int bottom,
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chtype attr,
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chtype borderattr)
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{
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chtype save = dlg_get_attrs(win);
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int cur_x, cur_y;
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int limit_x = getmaxx(win);
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bool draw_top = TRUE;
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getyx(win, cur_y, cur_x);
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/*
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* If we're drawing a centered title, do not overwrite with the arrows.
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*/
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if (dialog_vars.title) {
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int have = (limit_x - dlg_count_columns(dialog_vars.title)) / 2;
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int need = x + 5;
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if (need > have)
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draw_top = FALSE;
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}
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if (draw_top) {
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(void) wmove(win, top, x);
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if (top_arrow) {
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wattrset(win, merge_colors(uarrow_attr, attr));
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(void) add_acs(win, ACS_UARROW);
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(void) waddstr(win, "(-)");
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} else {
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wattrset(win, attr);
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(void) whline(win, dlg_boxchar(ACS_HLINE), ON_LEFT);
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}
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}
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mouse_mkbutton(top, x - 1, 6, KEY_PPAGE);
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(void) wmove(win, bottom, x);
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if (bottom_arrow) {
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wattrset(win, merge_colors(darrow_attr, attr));
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(void) add_acs(win, ACS_DARROW);
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(void) waddstr(win, "(+)");
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} else {
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wattrset(win, borderattr);
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(void) whline(win, dlg_boxchar(ACS_HLINE), ON_LEFT);
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}
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mouse_mkbutton(bottom, x - 1, 6, KEY_NPAGE);
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(void) wmove(win, cur_y, cur_x);
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wrefresh(win);
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wattrset(win, save);
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}
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void
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dlg_draw_scrollbar(WINDOW *win,
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long first_data,
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long this_data,
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long next_data,
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long total_data,
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int left,
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int right,
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int top,
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int bottom,
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chtype attr,
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chtype borderattr)
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{
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char buffer[80];
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int percent;
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int len;
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int oldy, oldx, maxy, maxx;
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chtype save = dlg_get_attrs(win);
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int top_arrow = (first_data != 0);
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int bottom_arrow = (next_data < total_data);
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getyx(win, oldy, oldx);
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getmaxyx(win, maxy, maxx);
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dlg_draw_helpline(win, TRUE);
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if (bottom_arrow || top_arrow || dialog_state.use_scrollbar) {
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percent = (!total_data
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? 100
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: (int) ((next_data * 100)
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/ total_data));
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if (percent < 0)
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percent = 0;
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else if (percent > 100)
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percent = 100;
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wattrset(win, position_indicator_attr);
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(void) sprintf(buffer, "%d%%", percent);
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(void) wmove(win, bottom, right - 7);
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(void) waddstr(win, buffer);
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if ((len = dlg_count_columns(buffer)) < 4) {
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wattrset(win, border_attr);
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whline(win, dlg_boxchar(ACS_HLINE), 4 - len);
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}
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}
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#define BARSIZE(num) (int) (((all_high * (num)) + all_high - 1) / total_data)
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if (dialog_state.use_scrollbar) {
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int all_high = (bottom - top - 1);
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if (total_data > 0 && all_high > 0) {
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int bar_high;
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int bar_y;
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bar_high = BARSIZE(next_data - this_data);
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if (bar_high <= 0)
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bar_high = 1;
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if (bar_high < all_high) {
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wmove(win, top + 1, right);
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wattrset(win, save);
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wvline(win, ACS_VLINE | A_REVERSE, all_high);
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bar_y = BARSIZE(this_data);
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if (bar_y > all_high - bar_high)
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bar_y = all_high - bar_high;
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wmove(win, top + 1 + bar_y, right);
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wattrset(win, position_indicator_attr);
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wattron(win, A_REVERSE);
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wvline(win, ACS_BLOCK, bar_high);
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}
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}
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}
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dlg_draw_arrows2(win,
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top_arrow,
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bottom_arrow,
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left + ARROWS_COL,
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top,
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bottom,
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attr,
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borderattr);
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wattrset(win, save);
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wmove(win, oldy, oldx);
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}
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void
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dlg_draw_arrows(WINDOW *win,
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int top_arrow,
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int bottom_arrow,
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int x,
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int top,
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int bottom)
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{
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dlg_draw_helpline(win, TRUE);
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dlg_draw_arrows2(win,
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top_arrow,
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bottom_arrow,
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x,
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top,
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bottom,
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menubox_attr,
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menubox_border_attr);
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}
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