/* $calcurse: utils.c,v 1.1.1.1 2006/07/31 21:00:03 culot Exp $ */ /* * Calcurse - text-based organizer * Copyright (c) 2004-2006 Frederic Culot * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * * Send your feedback or comments to : calcurse@culot.org * Calcurse home page : http://culot.org/calcurse * */ #include #include #include #include #include #include #include #include #include "i18n.h" #include "utils.h" #include "custom.h" #include "vars.h" /* * Print a message in the status bar. * Message texts for first line and second line are to be provided. */ void status_mesg(char *mesg_line1, char *mesg_line2) { erase_window_part(swin, 0, 0, col, 2); custom_apply_attr(swin, ATTR_HIGHEST); mvwprintw(swin, 0, 0, mesg_line1); mvwprintw(swin, 1, 0, mesg_line2); custom_remove_attr(swin, ATTR_HIGHEST); } /* * Erase part of a window */ void erase_window_part(WINDOW *win, int first_col, int first_row, int last_col, int last_row) { int c, r; for (r = first_row; r <= last_row; r++){ for (c = first_col; c <= last_col; c++){ mvwprintw(win, r, c, " "); } } wnoutrefresh(win); } /* draws a popup window */ WINDOW * popup(int pop_row, int pop_col, int pop_y, int pop_x, char *pop_lab) { char *txt_pop = _("Press any key to continue..."); char label[80]; WINDOW *popup_win; popup_win = newwin(pop_row, pop_col, pop_y, pop_x); custom_apply_attr(popup_win, ATTR_HIGHEST); box(popup_win, 0, 0); sprintf(label, "%s", pop_lab); win_show(popup_win, label); mvwprintw(popup_win, pop_row - 2, pop_col - (strlen(txt_pop) + 1), "%s", txt_pop); custom_remove_attr(popup_win, ATTR_HIGHEST); wnoutrefresh(popup_win); doupdate(); return popup_win; } /* prints in middle of a panel */ void print_in_middle(WINDOW * win, int starty, int startx, int width, char *string) { int length, x, y; float temp; if (win == NULL) win = stdscr; getyx(win, y, x); if (startx != 0) x = startx; if (starty != 0) y = starty; if (width == 0) width = 80; length = strlen(string); temp = (width - length) / 2; x = startx + (int) temp; custom_apply_attr(win, ATTR_HIGHEST); mvwprintw(win, y, x, "%s", string); custom_remove_attr(win, ATTR_HIGHEST); } /* * Getstring allows to get user input and to print it on a window, * even if noecho() is on. */ void getstring(win, colr, string, start_x, start_y) WINDOW *win; int colr; char *string; int start_x, start_y; { int ch; int charcount = 0; custom_apply_attr(win, ATTR_HIGHEST); if (start_x != -1) wmove(win, start_y, start_x); while ((ch = wgetch(win)) != '\n') { if ((ch == KEY_BACKSPACE) || (ch == 330) || (ch == 263) || (ch == 127) || (ch == CTRL('H')) ) { if (charcount > 0) { string--; charcount--; wmove(win, start_y, start_x + charcount); waddch(win, ' '); wmove(win, start_y, start_x + charcount); } } else { *string++ = ch; charcount++; waddch(win, ch); } doupdate(); } *string = 0; custom_remove_attr(win, ATTR_HIGHEST); return; } /* checks if a string is only made of digits */ int is_all_digit(char *string) { int digit, i; int all_digit; digit = 0; all_digit = 0; for (i = 0; i <= strlen(string); i++) if (isdigit(string[i]) != 0) digit++; if (digit == strlen(string)) all_digit = 1; return all_digit; } /* draw panel border in color */ void border_color(WINDOW * window, int bcolr) { int color_attr = A_BOLD; int no_color_attr = A_BOLD; if (colorize) { wattron(window, color_attr | COLOR_PAIR(bcolr)); box(window, 0, 0); } else { wattron(window, no_color_attr); box(window, 0, 0); } if (colorize) { wattroff(window, color_attr | COLOR_PAIR(bcolr)); } else { wattroff(window, no_color_attr); } wnoutrefresh(window); } /* draw panel border without any color */ void border_nocolor(WINDOW * window) { int colr = 9; int color_attr = A_BOLD; int no_color_attr = A_DIM; if (colorize) { wattron(window, color_attr | COLOR_PAIR(colr)); } else { wattron(window, no_color_attr); } box(window, 0, 0); if (colorize) { wattroff(window, color_attr | COLOR_PAIR(colr)); } else { wattroff(window, no_color_attr); } wnoutrefresh(window); } /* prints and scroll text in a window */ void scroller(WINDOW *win, char *mesg, int x, int y, int nb_row, int nb_col) { int x_offset = 3; int y_offset = 3; int text_len = nb_col - 2 * x_offset; int text_max_row = nb_row - 3; int nlin, i, j, k; int last_blank_i, last_blank_j; char buf[] = " "; char *next_mesg = _("-- Press 'N' for next page --"); char *prev_mesg = _("-- Press 'P' for previous page --"); int ch; int which_page; //first page : 0, second page : 1 i = 0; //position in the message j = 0; //x position on the current line nlin = 1; //line number last_blank_j = 0; last_blank_i = 0; which_page = 0; while (i <= strlen(mesg)) { if ((i == strlen(mesg)) & (which_page == 1)) { // we have finished writing text and we are on second page custom_apply_attr(win, ATTR_HIGHEST); mvwprintw(win, nb_row - 2, nb_col - (strlen(prev_mesg) + 2), "%s", prev_mesg); custom_remove_attr(win, ATTR_HIGHEST); wmove(swin, 0, 0); wnoutrefresh(win); wnoutrefresh(swin); doupdate(); ch = wgetch(win); if ( (ch == 'P') | (ch == 'p') ) { erase_window_part(win, y + 1, x + 3, nb_col - 2, nb_row - 2); nlin = 1; j = 0; i = 0; which_page = 0; } else { //erase last line and exit next-prev page mode for (k = 1; k < nb_col - 2; k++) mvwprintw(win, nb_row - 2, k, " "); break; } } if (nlin == text_max_row - 2) { // we reach the last line custom_apply_attr(win, ATTR_HIGHEST); mvwprintw(win, nb_row - 2, nb_col - (strlen(next_mesg) + 2), "%s", next_mesg); custom_remove_attr(win, ATTR_HIGHEST); wmove(swin, 0, 0); wnoutrefresh(win); wnoutrefresh(swin); doupdate(); ch = wgetch(win); if ( (ch == 'N') | (ch == 'n') ) { erase_window_part(win, y + 1, x + 3, nb_col - 2, nb_row - 2); nlin = 1; j = 0; which_page = 1; } else { for (k = 1; k < nb_col - 2; k++) mvwprintw(win, nb_row - 2, k, " "); break; } } //write text strncpy(buf, mesg + i, 1); i++; j++; if ((strncmp(buf, "§", 1) == 0)) { //§ is the character for a new line buf[0] = '\0'; mvwprintw(win, x + x_offset + nlin, y + y_offset + j, "%s", buf); nlin++; j = 0; } else { if (j == text_len - 1) { // if we reach the terminal border for (k = last_blank_j; k <= text_len - 1; k++) mvwprintw(win, x + x_offset + nlin, y + y_offset + k, " "); nlin++; i = last_blank_i; j = 0; } else { if ((strncmp(buf, " ", 1) == 0)) //space between words { last_blank_j = j; //save position last_blank_i = i; } mvwprintw(win, x + x_offset + nlin, y + y_offset + j, "%s", buf); } } } wmove(swin, 0, 0); wnoutrefresh(win); wnoutrefresh(swin); } /* Draws the status bar */ void status_bar(int which_pan, int colr, int nc_bar, int nl_bar) { int nb_item_cal, nb_item_oth; int len_let, len_des, spc_lad; int spc_bet_cal_itm, spc_bet_oth_itm; int len_cal_itm, len_oth_itm; nb_item_cal = 10; /* max item number to display in status bar */ nb_item_cal = ceil(nb_item_cal / 2); /* two lines to display items */ nb_item_oth = 12; nb_item_oth = ceil(nb_item_oth / 2); len_let = 3; len_des = 8; spc_lad = 1; spc_bet_cal_itm = floor((col - nb_item_cal * (len_let + len_des + spc_lad)) / nb_item_cal); spc_bet_oth_itm = floor((col - nb_item_oth * (len_let + len_des + spc_lad)) / nb_item_oth); len_cal_itm = len_let + spc_lad + len_des + spc_bet_cal_itm; len_oth_itm = len_let + spc_lad + len_des + spc_bet_oth_itm; erase_window_part(swin, 0, 0, nc_bar, nl_bar); if (which_pan == 0) { custom_apply_attr(swin, ATTR_HIGHEST); mvwprintw(swin, 0, 0, " ?"); mvwprintw(swin, 1, 0, " Q"); mvwprintw(swin, 0, len_cal_itm, " R"); mvwprintw(swin, 1, len_cal_itm, " S"); mvwprintw(swin, 0, 2 * len_cal_itm, "H/L"); mvwprintw(swin, 1, 2 * len_cal_itm, "J/K"); mvwprintw(swin, 0, 3 * len_cal_itm, " G"); mvwprintw(swin, 1, 3 * len_cal_itm, "Tab"); mvwprintw(swin, 0, 4 * len_cal_itm, " C"); custom_remove_attr(swin, ATTR_HIGHEST); wnoutrefresh(swin); mvwprintw(swin, 0, len_let + spc_lad, _("Help")); mvwprintw(swin, 1, len_let + spc_lad, _("Quit")); mvwprintw(swin, 0, len_cal_itm + len_let + spc_lad, _("Redraw")); mvwprintw(swin, 1, len_cal_itm + len_let + spc_lad, _("Save")); mvwprintw(swin, 0, 2 * len_cal_itm + len_let + spc_lad, _("-/+1 Day")); mvwprintw(swin, 1, 2 * len_cal_itm + len_let + spc_lad, _("-/+1 Week")); mvwprintw(swin, 0, 3 * len_cal_itm + len_let + spc_lad, _("GoTo")); mvwprintw(swin, 1, 3 * len_cal_itm + len_let + spc_lad, _("Chg View")); mvwprintw(swin, 0, 4 * len_cal_itm + len_let + spc_lad, _("Config")); } else { custom_apply_attr(swin, ATTR_HIGHEST); mvwprintw(swin, 0, 0, " ?"); mvwprintw(swin, 1, 0, " Q"); mvwprintw(swin, 0, len_oth_itm, " R"); mvwprintw(swin, 1, len_oth_itm, " S"); mvwprintw(swin, 0, 2 * len_oth_itm, "J/K"); mvwprintw(swin, 1, 2 * len_oth_itm, "Tab"); mvwprintw(swin, 0, 3 * len_oth_itm, " A"); mvwprintw(swin, 1, 3 * len_oth_itm, " D"); mvwprintw(swin, 0, 4 * len_oth_itm, " G"); mvwprintw(swin, 1, 4 * len_oth_itm, " V"); mvwprintw(swin, 0, 5 * len_oth_itm, " C"); custom_remove_attr(swin, ATTR_HIGHEST); wnoutrefresh(swin); mvwprintw(swin, 0, len_let + spc_lad, _("Help")); mvwprintw(swin, 1, len_let + spc_lad, _("Quit")); mvwprintw(swin, 0, len_oth_itm + len_let + spc_lad, _("Redraw")); mvwprintw(swin, 1, len_oth_itm + len_let + spc_lad, _("Save")); mvwprintw(swin, 0, 2 * len_oth_itm + len_let + spc_lad, _("Up/Down")); 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); }