420 lines
10 KiB
C
420 lines
10 KiB
C
/*
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* $Id: timebox.c,v 1.52 2012/07/02 09:34:04 tom Exp $
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*
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* timebox.c -- implements the timebox dialog
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*
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* Copyright 2001-2011,2012 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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#include <dlg_keys.h>
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#include <time.h>
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#define ONE_HIGH 1
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#define ONE_WIDE 2
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#define BTN_HIGH 2
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#define MIN_HIGH (ONE_HIGH + BTN_HIGH + (4 * MARGIN))
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#define MIN_WIDE ((3 * (ONE_WIDE + 2 * MARGIN)) + 2 + (2 * MARGIN))
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typedef enum {
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sHR = -3
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,sMN = -2
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,sSC = -1
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} STATES;
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struct _box;
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typedef int (*BOX_DRAW) (struct _box *, struct tm *);
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typedef struct _box {
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WINDOW *parent;
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WINDOW *window;
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int x;
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int y;
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int width;
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int height;
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int period;
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int value;
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} BOX;
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static int
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next_or_previous(int key)
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{
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int result = 0;
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switch (key) {
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case DLGK_ITEM_PREV:
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result = -1;
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break;
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case DLGK_ITEM_NEXT:
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result = 1;
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break;
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default:
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beep();
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break;
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}
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return result;
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}
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/*
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* Draw the hour-of-month selection box
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*/
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static int
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draw_cell(BOX * data)
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{
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werase(data->window);
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dlg_draw_box(data->parent,
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data->y - MARGIN, data->x - MARGIN,
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data->height + (2 * MARGIN), data->width + (2 * MARGIN),
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menubox_border_attr, menubox_border2_attr);
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(void) wattrset(data->window, item_attr);
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wprintw(data->window, "%02d", data->value);
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return 0;
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}
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static int
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init_object(BOX * data,
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WINDOW *parent,
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int x, int y,
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int width, int height,
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int period, int value,
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int code)
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{
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(void) code;
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data->parent = parent;
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data->x = x;
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data->y = y;
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data->width = width;
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data->height = height;
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data->period = period;
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data->value = value % period;
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data->window = derwin(data->parent,
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data->height, data->width,
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data->y, data->x);
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if (data->window == 0)
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return -1;
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(void) keypad(data->window, TRUE);
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dlg_mouse_setbase(getbegx(parent), getbegy(parent));
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dlg_mouse_mkregion(y, x, height, width, code);
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return 0;
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}
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static int
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CleanupResult(int code, WINDOW *dialog, char *prompt, DIALOG_VARS * save_vars)
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{
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dlg_del_window(dialog);
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dlg_mouse_free_regions();
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free(prompt);
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dlg_restore_vars(save_vars);
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return code;
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}
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#define DrawObject(data) draw_cell(data)
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/*
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* Display a dialog box for entering a date
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*/
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int
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dialog_timebox(const char *title,
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const char *subtitle,
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int height,
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int width,
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int hour,
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int minute,
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int second)
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{
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/* *INDENT-OFF* */
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static DLG_KEYS_BINDING binding[] = {
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DLG_KEYS_DATA( DLGK_DELETE_RIGHT,KEY_DC ),
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HELPKEY_BINDINGS,
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ENTERKEY_BINDINGS,
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DLG_KEYS_DATA( DLGK_ENTER, ' ' ),
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DLG_KEYS_DATA( DLGK_FIELD_FIRST,KEY_HOME ),
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DLG_KEYS_DATA( DLGK_FIELD_LAST, KEY_END ),
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DLG_KEYS_DATA( DLGK_FIELD_LAST, KEY_LL ),
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DLG_KEYS_DATA( DLGK_FIELD_NEXT, CHR_NEXT ),
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DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ),
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DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ),
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DLG_KEYS_DATA( DLGK_FIELD_PREV, CHR_BACKSPACE ),
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DLG_KEYS_DATA( DLGK_FIELD_PREV, CHR_PREVIOUS ),
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DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ),
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DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ),
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DLG_KEYS_DATA( DLGK_ITEM_NEXT, '+'),
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DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_DOWN),
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DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_NEXT),
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DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_NPAGE),
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DLG_KEYS_DATA( DLGK_ITEM_PREV, '-' ),
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DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_PPAGE ),
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DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_PREVIOUS ),
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DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_UP ),
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END_KEYS_BINDING
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};
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/* *INDENT-ON* */
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#ifdef KEY_RESIZE
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int old_height = height;
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int old_width = width;
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#endif
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BOX hr_box, mn_box, sc_box;
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int key = 0, key2, fkey;
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int button;
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int result = DLG_EXIT_UNKNOWN;
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WINDOW *dialog;
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time_t now_time = time((time_t *) 0);
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struct tm current;
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int state = dlg_default_button();
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const char **buttons = dlg_ok_labels();
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char *prompt = dlg_strclone(subtitle);
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char buffer[MAX_LEN];
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DIALOG_VARS save_vars;
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now_time = time((time_t *) 0);
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current = *localtime(&now_time);
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dlg_save_vars(&save_vars);
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dialog_vars.separate_output = TRUE;
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dlg_does_output();
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#ifdef KEY_RESIZE
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retry:
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#endif
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dlg_auto_size(title, prompt, &height, &width, 0, 0);
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height += MIN_HIGH;
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if (width < MIN_WIDE)
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width = MIN_WIDE;
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dlg_button_layout(buttons, &width);
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dlg_print_size(height, width);
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dlg_ctl_size(height, width);
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dialog = dlg_new_window(height, width,
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dlg_box_y_ordinate(height),
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dlg_box_x_ordinate(width));
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if (hour >= 24 || minute >= 60 || second >= 60) {
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return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
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}
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dlg_register_window(dialog, "timebox", binding);
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dlg_register_buttons(dialog, "timebox", buttons);
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dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
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dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
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dlg_draw_title(dialog, title);
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dlg_draw_helpline(dialog, FALSE);
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(void) wattrset(dialog, dialog_attr);
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dlg_print_autowrap(dialog, prompt, height, width);
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/* compute positions of hour, month and year boxes */
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memset(&hr_box, 0, sizeof(hr_box));
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memset(&mn_box, 0, sizeof(mn_box));
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memset(&sc_box, 0, sizeof(sc_box));
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if (init_object(&hr_box,
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dialog,
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(width - MIN_WIDE + 1) / 2 + MARGIN,
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(height - MIN_HIGH + MARGIN),
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ONE_WIDE,
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ONE_HIGH,
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24,
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hour >= 0 ? hour : current.tm_hour,
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'H') < 0
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|| DrawObject(&hr_box) < 0) {
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return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
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}
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mvwprintw(dialog, hr_box.y, hr_box.x + ONE_WIDE + MARGIN, ":");
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if (init_object(&mn_box,
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dialog,
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hr_box.x + (ONE_WIDE + 2 * MARGIN + 1),
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hr_box.y,
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hr_box.width,
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hr_box.height,
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60,
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minute >= 0 ? minute : current.tm_min,
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'M') < 0
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|| DrawObject(&mn_box) < 0) {
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return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
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}
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mvwprintw(dialog, mn_box.y, mn_box.x + ONE_WIDE + MARGIN, ":");
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if (init_object(&sc_box,
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dialog,
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mn_box.x + (ONE_WIDE + 2 * MARGIN + 1),
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mn_box.y,
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mn_box.width,
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mn_box.height,
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60,
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second >= 0 ? second : current.tm_sec,
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'S') < 0
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|| DrawObject(&sc_box) < 0) {
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return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
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}
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dlg_trace_win(dialog);
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while (result == DLG_EXIT_UNKNOWN) {
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BOX *obj = (state == sHR ? &hr_box
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: (state == sMN ? &mn_box :
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(state == sSC ? &sc_box : 0)));
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button = (state < 0) ? 0 : state;
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dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
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if (obj != 0)
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dlg_set_focus(dialog, obj->window);
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key = dlg_mouse_wgetch(dialog, &fkey);
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if (dlg_result_key(key, fkey, &result))
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break;
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if ((key2 = dlg_char_to_button(key, buttons)) >= 0) {
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result = key2;
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} else {
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/* handle function-keys */
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if (fkey) {
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switch (key) {
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case DLGK_MOUSE('H'):
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state = sHR;
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break;
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case DLGK_MOUSE('M'):
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state = sMN;
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break;
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case DLGK_MOUSE('S'):
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state = sSC;
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break;
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case DLGK_ENTER:
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result = dlg_ok_buttoncode(button);
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break;
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case DLGK_FIELD_PREV:
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state = dlg_prev_ok_buttonindex(state, sHR);
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break;
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case DLGK_FIELD_NEXT:
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state = dlg_next_ok_buttonindex(state, sHR);
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break;
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case DLGK_FIELD_FIRST:
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if (obj != 0) {
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obj->value = 0;
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(void) DrawObject(obj);
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}
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break;
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case DLGK_FIELD_LAST:
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if (obj != 0) {
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switch (state) {
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case sHR:
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obj->value = 23;
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break;
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case sMN:
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case sSC:
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obj->value = 59;
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break;
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}
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(void) DrawObject(obj);
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}
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break;
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case DLGK_DELETE_RIGHT:
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if (obj != 0) {
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obj->value /= 10;
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(void) DrawObject(obj);
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}
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break;
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#ifdef KEY_RESIZE
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case KEY_RESIZE:
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/* reset data */
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height = old_height;
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width = old_width;
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hour = hr_box.value;
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minute = mn_box.value;
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second = sc_box.value;
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/* repaint */
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dlg_clear();
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dlg_del_window(dialog);
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refresh();
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dlg_mouse_free_regions();
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goto retry;
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#endif
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default:
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if (is_DLGK_MOUSE(key)) {
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result = dlg_ok_buttoncode(key - M_EVENT);
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if (result < 0)
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result = DLG_EXIT_OK;
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} else if (obj != 0) {
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int step = next_or_previous(key);
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if (step != 0) {
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obj->value += step;
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while (obj->value < 0)
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obj->value += obj->period;
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obj->value %= obj->period;
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(void) DrawObject(obj);
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}
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}
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break;
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}
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} else if (isdigit(key)) {
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if (obj != 0) {
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int digit = (key - '0');
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int value = (obj->value * 10) + digit;
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if (value < obj->period) {
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obj->value = value;
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(void) DrawObject(obj);
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} else {
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beep();
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}
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}
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} else {
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beep();
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}
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}
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}
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#define DefaultFormat(dst, src) \
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sprintf(dst, "%02d:%02d:%02d", \
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hr_box.value, mn_box.value, sc_box.value)
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#if defined(HAVE_STRFTIME)
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if (dialog_vars.time_format != 0) {
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size_t used;
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time_t now = time((time_t *) 0);
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struct tm *parts = localtime(&now);
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parts->tm_sec = sc_box.value;
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parts->tm_min = mn_box.value;
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parts->tm_hour = hr_box.value;
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used = strftime(buffer,
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sizeof(buffer) - 1,
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dialog_vars.time_format,
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parts);
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if (used == 0 || *buffer == '\0')
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DefaultFormat(buffer, hr_box);
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} else
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#endif
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DefaultFormat(buffer, hr_box);
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dlg_add_result(buffer);
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dlg_add_separator();
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return CleanupResult(result, dialog, prompt, &save_vars);
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}
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