Initial revision
This commit is contained in:
Frederic Culot
614
src/utils.c
Executable file
614
src/utils.c
Executable file
@@ -0,0 +1,614 @@
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/* $calcurse: utils.c,v 1.1 2006/07/31 21:00:03 culot Exp $ */
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/*
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* Calcurse - text-based organizer
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* Copyright (c) 2004-2006 Frederic Culot
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Send your feedback or comments to : calcurse@culot.org
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* Calcurse home page : http://culot.org/calcurse
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*
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*/
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#include <ncurses.h>
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#include <time.h>
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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 <stdbool.h>
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#include <sys/types.h>
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#include <math.h>
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#include "i18n.h"
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#include "utils.h"
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#include "custom.h"
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#include "vars.h"
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/*
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* Print a message in the status bar.
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* Message texts for first line and second line are to be provided.
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*/
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void status_mesg(char *mesg_line1, char *mesg_line2)
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{
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erase_window_part(swin, 0, 0, col, 2);
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custom_apply_attr(swin, ATTR_HIGHEST);
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mvwprintw(swin, 0, 0, mesg_line1);
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mvwprintw(swin, 1, 0, mesg_line2);
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custom_remove_attr(swin, ATTR_HIGHEST);
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}
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/*
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* Erase part of a window
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*/
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void erase_window_part(WINDOW *win, int first_col, int first_row,
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int last_col, int last_row)
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{
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int c, r;
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for (r = first_row; r <= last_row; r++){
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for (c = first_col; c <= last_col; c++){
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mvwprintw(win, r, c, " ");
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}
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}
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wnoutrefresh(win);
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}
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/* draws a popup window */
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WINDOW * popup(int pop_row, int pop_col,
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int pop_y, int pop_x, char *pop_lab)
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{
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char *txt_pop = _("Press any key to continue...");
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char label[80];
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WINDOW *popup_win;
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popup_win = newwin(pop_row, pop_col, pop_y, pop_x);
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custom_apply_attr(popup_win, ATTR_HIGHEST);
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box(popup_win, 0, 0);
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sprintf(label, "%s", pop_lab);
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win_show(popup_win, label);
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mvwprintw(popup_win, pop_row - 2, pop_col - (strlen(txt_pop) + 1), "%s",
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txt_pop);
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custom_remove_attr(popup_win, ATTR_HIGHEST);
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wnoutrefresh(popup_win);
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doupdate();
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return popup_win;
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}
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/* prints in middle of a panel */
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void
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print_in_middle(WINDOW * win, int starty, int startx, int width, char *string)
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{
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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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custom_apply_attr(win, ATTR_HIGHEST);
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mvwprintw(win, y, x, "%s", string);
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custom_remove_attr(win, ATTR_HIGHEST);
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}
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/*
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* Getstring allows to get user input and to print it on a window,
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* even if noecho() is on.
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*/
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void getstring(win, colr, string, start_x, start_y)
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WINDOW *win;
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int colr;
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char *string;
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int start_x, start_y;
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{
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int ch;
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int charcount = 0;
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custom_apply_attr(win, ATTR_HIGHEST);
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if (start_x != -1)
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wmove(win, start_y, start_x);
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while ((ch = wgetch(win)) != '\n') {
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if ((ch == KEY_BACKSPACE) ||
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(ch == 330) ||
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(ch == 263) ||
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(ch == 127) ||
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(ch == CTRL('H')) ) {
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if (charcount > 0) {
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string--;
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charcount--;
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wmove(win, start_y, start_x + charcount);
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waddch(win, ' ');
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wmove(win, start_y, start_x + charcount);
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}
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} else {
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*string++ = ch;
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charcount++;
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waddch(win, ch);
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}
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doupdate();
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}
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*string = 0;
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custom_remove_attr(win, ATTR_HIGHEST);
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return;
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}
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/* checks if a string is only made of digits */
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int is_all_digit(char *string)
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{
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int digit, i;
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int all_digit;
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digit = 0;
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all_digit = 0;
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for (i = 0; i <= strlen(string); i++)
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if (isdigit(string[i]) != 0)
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digit++;
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if (digit == strlen(string))
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all_digit = 1;
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return all_digit;
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}
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/* draw panel border in color */
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void border_color(WINDOW * window, int bcolr)
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{
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int color_attr = A_BOLD;
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int no_color_attr = A_BOLD;
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if (colorize) {
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wattron(window, color_attr | COLOR_PAIR(bcolr));
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box(window, 0, 0);
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} else {
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wattron(window, no_color_attr);
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box(window, 0, 0);
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}
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if (colorize) {
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wattroff(window, color_attr | COLOR_PAIR(bcolr));
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} else {
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wattroff(window, no_color_attr);
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}
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wnoutrefresh(window);
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}
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/* draw panel border without any color */
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void border_nocolor(WINDOW * window)
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{
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int colr = 9;
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int color_attr = A_BOLD;
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int no_color_attr = A_DIM;
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if (colorize) {
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wattron(window, color_attr | COLOR_PAIR(colr));
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} else {
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wattron(window, no_color_attr);
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}
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box(window, 0, 0);
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if (colorize) {
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wattroff(window, color_attr | COLOR_PAIR(colr));
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} else {
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wattroff(window, no_color_attr);
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}
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wnoutrefresh(window);
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}
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/* prints and scroll text in a window */
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void scroller(WINDOW *win, char *mesg, int x, int y, int nb_row, int nb_col)
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{
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int x_offset = 3;
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int y_offset = 3;
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int text_len = nb_col - 2 * x_offset;
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int text_max_row = nb_row - 3;
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int nlin, i, j, k;
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int last_blank_i, last_blank_j;
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char buf[] = " ";
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char *next_mesg = _("-- Press 'N' for next page --");
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char *prev_mesg = _("-- Press 'P' for previous page --");
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int ch;
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int which_page; //first page : 0, second page : 1
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i = 0; //position in the message
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j = 0; //x position on the current line
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nlin = 1; //line number
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last_blank_j = 0;
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last_blank_i = 0;
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which_page = 0;
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while (i <= strlen(mesg)) {
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if ((i == strlen(mesg)) & (which_page == 1)) {
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// we have finished writing text and we are on second page
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custom_apply_attr(win, ATTR_HIGHEST);
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mvwprintw(win, nb_row - 2,
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nb_col - (strlen(prev_mesg) + 2), "%s",
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prev_mesg);
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custom_remove_attr(win, ATTR_HIGHEST);
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wmove(swin, 0, 0);
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wnoutrefresh(win);
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wnoutrefresh(swin);
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doupdate();
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ch = wgetch(win);
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if ( (ch == 'P') | (ch == 'p') ) {
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erase_window_part(win, y + 1, x + 3, nb_col - 2, nb_row - 2);
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nlin = 1;
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j = 0;
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i = 0;
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which_page = 0;
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} else { //erase last line and exit next-prev page mode
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for (k = 1; k < nb_col - 2; k++)
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mvwprintw(win, nb_row - 2, k, " ");
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break;
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}
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}
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if (nlin == text_max_row - 2) { // we reach the last line
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custom_apply_attr(win, ATTR_HIGHEST);
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mvwprintw(win, nb_row - 2,
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nb_col - (strlen(next_mesg) + 2), "%s",
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next_mesg);
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custom_remove_attr(win, ATTR_HIGHEST);
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wmove(swin, 0, 0);
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wnoutrefresh(win);
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wnoutrefresh(swin);
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doupdate();
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ch = wgetch(win);
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if ( (ch == 'N') | (ch == 'n') ) {
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erase_window_part(win, y + 1, x + 3, nb_col - 2, nb_row - 2);
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nlin = 1;
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j = 0;
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which_page = 1;
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} else {
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for (k = 1; k < nb_col - 2; k++)
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mvwprintw(win, nb_row - 2, k, " ");
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break;
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}
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}
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//write text
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strncpy(buf, mesg + i, 1);
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i++;
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j++;
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if ((strncmp(buf, "<EFBFBD>", 1) == 0)) { //<2F> is the character for a new line
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buf[0] = '\0';
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mvwprintw(win, x + x_offset + nlin, y + y_offset + j,
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"%s", buf);
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nlin++;
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j = 0;
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} else {
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if (j == text_len - 1) { // if we reach the terminal border
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for (k = last_blank_j; k <= text_len - 1;
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k++)
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mvwprintw(win, x + x_offset + nlin,
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y + y_offset + k, " ");
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nlin++;
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i = last_blank_i;
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j = 0;
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} else {
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if ((strncmp(buf, " ", 1) == 0)) //space between words
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{
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last_blank_j = j; //save position
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last_blank_i = i;
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}
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mvwprintw(win, x + x_offset + nlin,
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y + y_offset + j, "%s", buf);
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}
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}
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}
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wmove(swin, 0, 0);
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wnoutrefresh(win);
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wnoutrefresh(swin);
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}
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/* Draws the status bar */
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void status_bar(int which_pan, int colr, int nc_bar, int nl_bar)
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{
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int nb_item_cal, nb_item_oth;
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int len_let, len_des, spc_lad;
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int spc_bet_cal_itm, spc_bet_oth_itm;
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int len_cal_itm, len_oth_itm;
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nb_item_cal = 10; /* max item number to display in status bar */
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nb_item_cal = ceil(nb_item_cal / 2); /* two lines to display items */
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nb_item_oth = 12;
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nb_item_oth = ceil(nb_item_oth / 2);
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len_let = 3;
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len_des = 8;
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spc_lad = 1;
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spc_bet_cal_itm =
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floor((col -
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nb_item_cal * (len_let + len_des +
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spc_lad)) / nb_item_cal);
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spc_bet_oth_itm =
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floor((col -
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nb_item_oth * (len_let + len_des +
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spc_lad)) / nb_item_oth);
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len_cal_itm = len_let + spc_lad + len_des + spc_bet_cal_itm;
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len_oth_itm = len_let + spc_lad + len_des + spc_bet_oth_itm;
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erase_window_part(swin, 0, 0, nc_bar, nl_bar);
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if (which_pan == 0) {
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custom_apply_attr(swin, ATTR_HIGHEST);
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mvwprintw(swin, 0, 0, " ?");
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mvwprintw(swin, 1, 0, " Q");
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mvwprintw(swin, 0, len_cal_itm, " R");
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mvwprintw(swin, 1, len_cal_itm, " S");
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mvwprintw(swin, 0, 2 * len_cal_itm, "H/L");
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mvwprintw(swin, 1, 2 * len_cal_itm, "J/K");
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mvwprintw(swin, 0, 3 * len_cal_itm, " G");
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mvwprintw(swin, 1, 3 * len_cal_itm, "Tab");
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mvwprintw(swin, 0, 4 * len_cal_itm, " C");
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custom_remove_attr(swin, ATTR_HIGHEST);
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wnoutrefresh(swin);
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mvwprintw(swin, 0, len_let + spc_lad, _("Help"));
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mvwprintw(swin, 1, len_let + spc_lad, _("Quit"));
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mvwprintw(swin, 0, len_cal_itm + len_let + spc_lad,
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_("Redraw"));
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mvwprintw(swin, 1, len_cal_itm + len_let + spc_lad, _("Save"));
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mvwprintw(swin, 0, 2 * len_cal_itm + len_let + spc_lad,
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_("-/+1 Day"));
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mvwprintw(swin, 1, 2 * len_cal_itm + len_let + spc_lad,
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_("-/+1 Week"));
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mvwprintw(swin, 0, 3 * len_cal_itm + len_let + spc_lad,
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_("GoTo"));
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mvwprintw(swin, 1, 3 * len_cal_itm + len_let + spc_lad,
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_("Chg View"));
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mvwprintw(swin, 0, 4 * len_cal_itm + len_let + spc_lad,
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||||
_("Config"));
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||||
} else {
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custom_apply_attr(swin, ATTR_HIGHEST);
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mvwprintw(swin, 0, 0, " ?");
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mvwprintw(swin, 1, 0, " Q");
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mvwprintw(swin, 0, len_oth_itm, " R");
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mvwprintw(swin, 1, len_oth_itm, " S");
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mvwprintw(swin, 0, 2 * len_oth_itm, "J/K");
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mvwprintw(swin, 1, 2 * len_oth_itm, "Tab");
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||||
mvwprintw(swin, 0, 3 * len_oth_itm, " A");
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||||
mvwprintw(swin, 1, 3 * len_oth_itm, " D");
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mvwprintw(swin, 0, 4 * len_oth_itm, " G");
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mvwprintw(swin, 1, 4 * len_oth_itm, " V");
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mvwprintw(swin, 0, 5 * len_oth_itm, " C");
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||||
custom_remove_attr(swin, ATTR_HIGHEST);
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wnoutrefresh(swin);
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||||
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||||
mvwprintw(swin, 0, len_let + spc_lad, _("Help"));
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||||
mvwprintw(swin, 1, len_let + spc_lad, _("Quit"));
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mvwprintw(swin, 0, len_oth_itm + len_let + spc_lad,
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_("Redraw"));
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mvwprintw(swin, 1, len_oth_itm + len_let + spc_lad, _("Save"));
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||||
mvwprintw(swin, 0, 2 * len_oth_itm + len_let + spc_lad,
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||||
_("Up/Down"));
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||||
mvwprintw(swin, 1, 2 * len_oth_itm + len_let + spc_lad,
|
||||
_("Chg View"));
|
||||
mvwprintw(swin, 0, 3 * len_oth_itm + len_let + spc_lad,
|
||||
_("Add Item"));
|
||||
mvwprintw(swin, 1, 3 * len_oth_itm + len_let + spc_lad,
|
||||
_("Del Item"));
|
||||
mvwprintw(swin, 0, 4 * len_oth_itm + len_let + spc_lad,
|
||||
_( "GoTo"));
|
||||
mvwprintw(swin, 1, 4 * len_oth_itm + len_let + spc_lad,
|
||||
_("View"));
|
||||
mvwprintw(swin, 0, 5 * len_oth_itm + len_let + spc_lad,
|
||||
_("Config"));
|
||||
}
|
||||
wnoutrefresh(swin);
|
||||
}
|
||||
|
||||
long date2sec(unsigned year, unsigned month, unsigned day, unsigned hour,
|
||||
unsigned min)
|
||||
{
|
||||
struct tm start, *lt;
|
||||
time_t tstart, t;
|
||||
|
||||
t = time(NULL);
|
||||
lt = localtime(&t);
|
||||
start = *lt;
|
||||
|
||||
start.tm_mon = month;
|
||||
start.tm_mday = day;
|
||||
start.tm_year = year;
|
||||
start.tm_hour = hour;
|
||||
start.tm_min = min;
|
||||
start.tm_sec = 0;
|
||||
start.tm_isdst = -1;
|
||||
start.tm_year -= 1900;
|
||||
start.tm_mon--;
|
||||
tstart = mktime(&start);
|
||||
if (tstart == -1) {
|
||||
fputs(_("FATAL ERROR in date2sec: failure in mktime\n"), stderr);
|
||||
fprintf(stderr, "%u %u %u %u %u\n", year, month, day, hour, min);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
return tstart;
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns the date in seconds from year 1900.
|
||||
* If no date is entered, current date is chosen.
|
||||
*/
|
||||
long
|
||||
get_sec_date(int year, int month, int day)
|
||||
{
|
||||
struct tm *ptrtime;
|
||||
time_t timer;
|
||||
long long_date;
|
||||
char current_day[3], current_month[3] ,current_year[5];
|
||||
|
||||
if (year == 0 && month == 0 && day == 0) {
|
||||
timer = time(NULL);
|
||||
ptrtime = localtime(&timer);
|
||||
strftime(current_day, 3, "%d", ptrtime);
|
||||
strftime(current_month, 3, "%m", ptrtime);
|
||||
strftime(current_year, 5, "%Y", ptrtime);
|
||||
month = atoi(current_month);
|
||||
day = atoi(current_day);
|
||||
year = atoi(current_year);
|
||||
|
||||
}
|
||||
long_date = date2sec(year, month, day, 0, 0);
|
||||
return long_date;
|
||||
}
|
||||
|
||||
long min2sec(unsigned minutes)
|
||||
{
|
||||
return minutes * 60;
|
||||
}
|
||||
|
||||
/*
|
||||
* Checks if a time has a good format.
|
||||
* The format could be either HH:MM or H:MM or MM, and we should have:
|
||||
* 0 <= HH <= 24 and 0 <= MM < 999.
|
||||
* This function returns 1 if the entered time is correct and in
|
||||
* [h:mm] or [hh:mm] format, and 2 if the entered time is correct and entered
|
||||
* in [mm] format.
|
||||
*/
|
||||
int check_time(char *string)
|
||||
{
|
||||
int ok = 0;
|
||||
char hour[] = " ";
|
||||
char minutes[] = " ";
|
||||
|
||||
if ( // format test [MM]
|
||||
((strlen(string) == 2) || (strlen(string) == 3)) &
|
||||
(isdigit(string[0]) != 0) &
|
||||
(isdigit(string[1]) != 0)
|
||||
) { // check if we have a valid time
|
||||
strncpy(minutes, string, 2);
|
||||
if ( atoi(minutes) >= 0)
|
||||
ok = 2;
|
||||
}
|
||||
|
||||
else if ( // format test [H:MM]
|
||||
(strlen(string) == 4) &
|
||||
(isdigit(string[0]) != 0) &
|
||||
(isdigit(string[2]) != 0) &
|
||||
(isdigit(string[3]) != 0) & (string[1] == ':')
|
||||
) { // check if we have a valid time
|
||||
strncpy(hour, string, 1);
|
||||
strncpy(minutes, string + 2, 2);
|
||||
if ((atoi(hour) <= 24) & (atoi(hour) >=
|
||||
0) & (atoi(minutes) <
|
||||
60) & (atoi(minutes) >= 0))
|
||||
ok = 1;
|
||||
}
|
||||
|
||||
else if ( //format test [HH:MM]
|
||||
(strlen(string) == 5) &
|
||||
(isdigit(string[0]) != 0) &
|
||||
(isdigit(string[1]) != 0) &
|
||||
(isdigit(string[3]) != 0) &
|
||||
(isdigit(string[4]) != 0) & (string[2] == ':')
|
||||
) { // check if we have a valid time
|
||||
strncpy(hour, string, 2);
|
||||
strncpy(minutes, string + 3, 2);
|
||||
if ((atoi(hour) <= 24) & (atoi(hour) >=
|
||||
0) & (atoi(minutes) <
|
||||
60) & (atoi(minutes) >= 0))
|
||||
ok = 1;
|
||||
}
|
||||
|
||||
return ok;
|
||||
}
|
||||
|
||||
/*
|
||||
* Display a scroll bar when there are so many items that they
|
||||
* can not be displayed inside the corresponding panel.
|
||||
*/
|
||||
void draw_scrollbar(WINDOW *win, int y, int x, int length,
|
||||
int bar_top, int bar_bottom, bool hilt)
|
||||
{
|
||||
mvwvline(win, bar_top, x, ACS_VLINE, bar_bottom - bar_top);
|
||||
if (hilt)
|
||||
custom_apply_attr(win, ATTR_HIGHEST);
|
||||
wattron(win, A_REVERSE);
|
||||
mvwvline(win, y, x, ' ', length);
|
||||
wattroff(win, A_REVERSE);
|
||||
if (hilt)
|
||||
custom_remove_attr(win, ATTR_HIGHEST);
|
||||
}
|
||||
|
||||
/*
|
||||
* Print an item (either an appointment, event, or todo) in a
|
||||
* popup window. This is useful if an item description is too
|
||||
* long to fit in its corresponding panel window.
|
||||
*/
|
||||
void item_in_popup(char *saved_a_start, char *saved_a_end, char *msg,
|
||||
char *pop_title)
|
||||
{
|
||||
WINDOW *popup_win;
|
||||
|
||||
popup_win = popup(row - 4, col - 2, 1, 1, pop_title);
|
||||
if (strncmp(pop_title, _("Appointment"), 11) == 0) {
|
||||
mvwprintw(popup_win, 4, 4, " - %s -> %s",
|
||||
saved_a_start, saved_a_end);
|
||||
}
|
||||
scroller(popup_win, msg, 1, 1, row - 4, col - 2);
|
||||
wmove(swin, 0, 0);
|
||||
doupdate();
|
||||
wgetch(popup_win);
|
||||
delwin(popup_win);
|
||||
}
|
||||
|
||||
/* Show the window with a border and a label */
|
||||
void win_show(WINDOW * win, char *label)
|
||||
{
|
||||
int startx, starty, height, width;
|
||||
|
||||
getbegyx(win, starty, startx);
|
||||
getmaxyx(win, height, width);
|
||||
|
||||
box(win, 0, 0);
|
||||
mvwaddch(win, 2, 0, ACS_LTEE);
|
||||
mvwhline(win, 2, 1, ACS_HLINE, width - 2);
|
||||
mvwaddch(win, 2, width - 1, ACS_RTEE);
|
||||
|
||||
print_in_middle(win, 1, 0, width, label);
|
||||
}
|
||||
|
||||
/*
|
||||
* Print an item description in the corresponding panel window.
|
||||
*/
|
||||
void display_item(WINDOW *win, int incolor, char *msg, int len,
|
||||
int y, int x)
|
||||
{
|
||||
char buf[len];
|
||||
|
||||
if (incolor == 0)
|
||||
custom_apply_attr(win, ATTR_HIGHEST);
|
||||
if (strlen(msg) < len) {
|
||||
mvwprintw(win, y, x, "%s", msg);
|
||||
} else {
|
||||
strncpy(buf, msg, len - 1);
|
||||
buf[len - 1] = '\0';
|
||||
mvwprintw(win, y, x, "%s...", buf);
|
||||
}
|
||||
if (incolor == 0)
|
||||
custom_remove_attr(win, ATTR_HIGHEST);
|
||||
}
|
||||
Reference in New Issue
Block a user