xref: /dragonfly/contrib/dialog/timebox.c (revision e0eb7cf0)
1 /*
2  * $Id: timebox.c,v 1.67 2020/03/27 20:26:21 tom Exp $
3  *
4  *  timebox.c -- implements the timebox dialog
5  *
6  *  Copyright 2001-2019,2020   Thomas E. Dickey
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU Lesser General Public License, version 2.1
10  *  as published by the Free Software Foundation.
11  *
12  *  This program is distributed in the hope that it will be useful, but
13  *  WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  *  Lesser General Public License for more details.
16  *
17  *  You should have received a copy of the GNU Lesser General Public
18  *  License along with this program; if not, write to
19  *	Free Software Foundation, Inc.
20  *	51 Franklin St., Fifth Floor
21  *	Boston, MA 02110, USA.
22  */
23 
24 #include <dlg_internals.h>
25 #include <dlg_keys.h>
26 
27 #include <time.h>
28 
29 #define ONE_HIGH 1
30 #define ONE_WIDE 2
31 #define BTN_HIGH 2
32 
33 #define MIN_HIGH (ONE_HIGH + BTN_HIGH + (4 * MARGIN))
34 #define MIN_WIDE ((3 * (ONE_WIDE + 2 * MARGIN)) + 2 + (2 * MARGIN))
35 
36 typedef enum {
37     sHR = -3
38     ,sMN = -2
39     ,sSC = -1
40 } STATES;
41 
42 struct _box;
43 
44 typedef struct _box {
45     WINDOW *parent;
46     WINDOW *window;
47     int x;
48     int y;
49     int width;
50     int height;
51     int period;
52     int value;
53 } BOX;
54 
55 static int
56 next_or_previous(int key)
57 {
58     int result = 0;
59 
60     switch (key) {
61     case DLGK_ITEM_PREV:
62 	result = -1;
63 	break;
64     case DLGK_ITEM_NEXT:
65 	result = 1;
66 	break;
67     default:
68 	beep();
69 	break;
70     }
71     return result;
72 }
73 /*
74  * Draw the hour-of-month selection box
75  */
76 static int
77 draw_cell(BOX * data)
78 {
79     werase(data->window);
80     dlg_draw_box(data->parent,
81 		 data->y - MARGIN, data->x - MARGIN,
82 		 data->height + (2 * MARGIN), data->width + (2 * MARGIN),
83 		 menubox_border_attr, menubox_border2_attr);
84 
85     dlg_attrset(data->window, item_attr);
86     wprintw(data->window, "%02d", data->value);
87     return 0;
88 }
89 
90 static int
91 init_object(BOX * data,
92 	    WINDOW *parent,
93 	    int x, int y,
94 	    int width, int height,
95 	    int period, int value,
96 	    int code)
97 {
98     (void) code;
99 
100     data->parent = parent;
101     data->x = x;
102     data->y = y;
103     data->width = width;
104     data->height = height;
105     data->period = period;
106     data->value = value % period;
107 
108     data->window = derwin(data->parent,
109 			  data->height, data->width,
110 			  data->y, data->x);
111     if (data->window == 0)
112 	return -1;
113     (void) keypad(data->window, TRUE);
114 
115     dlg_mouse_setbase(getbegx(parent), getbegy(parent));
116     dlg_mouse_mkregion(y, x, height, width, code);
117 
118     return 0;
119 }
120 
121 static int
122 CleanupResult(int code, WINDOW *dialog, char *prompt, DIALOG_VARS * save_vars)
123 {
124     dlg_del_window(dialog);
125     dlg_mouse_free_regions();
126     free(prompt);
127     dlg_restore_vars(save_vars);
128 
129     return code;
130 }
131 
132 #define DrawObject(data) draw_cell(data)
133 
134 /*
135  * Display a dialog box for entering a date
136  */
137 int
138 dialog_timebox(const char *title,
139 	       const char *subtitle,
140 	       int height,
141 	       int width,
142 	       int hour,
143 	       int minute,
144 	       int second)
145 {
146     /* *INDENT-OFF* */
147     static DLG_KEYS_BINDING binding[] = {
148 	DLG_KEYS_DATA( DLGK_DELETE_RIGHT,KEY_DC ),
149 	HELPKEY_BINDINGS,
150 	ENTERKEY_BINDINGS,
151 	TOGGLEKEY_BINDINGS,
152 	DLG_KEYS_DATA( DLGK_FIELD_FIRST,KEY_HOME ),
153 	DLG_KEYS_DATA( DLGK_FIELD_LAST, KEY_END ),
154 	DLG_KEYS_DATA( DLGK_FIELD_LAST, KEY_LL ),
155 	DLG_KEYS_DATA( DLGK_FIELD_NEXT, CHR_NEXT ),
156 	DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ),
157 	DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ),
158 	DLG_KEYS_DATA( DLGK_FIELD_PREV, CHR_BACKSPACE ),
159 	DLG_KEYS_DATA( DLGK_FIELD_PREV, CHR_PREVIOUS ),
160 	DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ),
161 	DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ),
162 	DLG_KEYS_DATA( DLGK_ITEM_NEXT,  '+'),
163 	DLG_KEYS_DATA( DLGK_ITEM_NEXT,  KEY_DOWN),
164 	DLG_KEYS_DATA( DLGK_ITEM_NEXT,  KEY_NEXT),
165 	DLG_KEYS_DATA( DLGK_ITEM_NEXT,  KEY_NPAGE),
166 	DLG_KEYS_DATA( DLGK_ITEM_PREV,  '-' ),
167 	DLG_KEYS_DATA( DLGK_ITEM_PREV,  KEY_PPAGE ),
168 	DLG_KEYS_DATA( DLGK_ITEM_PREV,  KEY_PREVIOUS ),
169 	DLG_KEYS_DATA( DLGK_ITEM_PREV,  KEY_UP ),
170 	END_KEYS_BINDING
171     };
172     /* *INDENT-ON* */
173 
174 #ifdef KEY_RESIZE
175     int old_height = height;
176     int old_width = width;
177 #endif
178     BOX hr_box, mn_box, sc_box;
179     int key, fkey;
180     int button;
181     int result = DLG_EXIT_UNKNOWN;
182     WINDOW *dialog;
183     time_t now_time;
184     struct tm current;
185     int state = dlg_default_button();
186     const char **buttons = dlg_ok_labels();
187     char *prompt;
188     char buffer[MAX_LEN];
189     DIALOG_VARS save_vars;
190 
191     DLG_TRACE(("# timebox args:\n"));
192     DLG_TRACE2S("title", title);
193     DLG_TRACE2S("message", subtitle);
194     DLG_TRACE2N("height", height);
195     DLG_TRACE2N("width", width);
196     DLG_TRACE2N("hour", hour);
197     DLG_TRACE2N("minute", minute);
198     DLG_TRACE2N("second", second);
199 
200     now_time = time((time_t *) 0);
201     current = *localtime(&now_time);
202 
203     dlg_save_vars(&save_vars);
204     dialog_vars.separate_output = TRUE;
205 
206     dlg_does_output();
207 
208 #ifdef KEY_RESIZE
209   retry:
210 #endif
211 
212     prompt = dlg_strclone(subtitle);
213     dlg_auto_size(title, prompt, &height, &width, MIN_HIGH, MIN_WIDE);
214 
215     dlg_button_layout(buttons, &width);
216     dlg_print_size(height, width);
217     dlg_ctl_size(height, width);
218 
219     dialog = dlg_new_window(height, width,
220 			    dlg_box_y_ordinate(height),
221 			    dlg_box_x_ordinate(width));
222 
223     if (hour >= 24 || minute >= 60 || second >= 60) {
224 	return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
225     }
226 
227     dlg_register_window(dialog, "timebox", binding);
228     dlg_register_buttons(dialog, "timebox", buttons);
229 
230     dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
231     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
232     dlg_draw_title(dialog, title);
233     dlg_draw_helpline(dialog, FALSE);
234 
235     dlg_attrset(dialog, dialog_attr);
236     dlg_print_autowrap(dialog, prompt, height, width);
237 
238     /* compute positions of hour, month and year boxes */
239     memset(&hr_box, 0, sizeof(hr_box));
240     memset(&mn_box, 0, sizeof(mn_box));
241     memset(&sc_box, 0, sizeof(sc_box));
242 
243     if (init_object(&hr_box,
244 		    dialog,
245 		    (width - MIN_WIDE + 1) / 2 + MARGIN,
246 		    (height - MIN_HIGH + MARGIN),
247 		    ONE_WIDE,
248 		    ONE_HIGH,
249 		    24,
250 		    hour >= 0 ? hour : current.tm_hour,
251 		    'H') < 0
252 	|| DrawObject(&hr_box) < 0) {
253 	return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
254     }
255 
256     mvwprintw(dialog, hr_box.y, hr_box.x + ONE_WIDE + MARGIN, ":");
257     if (init_object(&mn_box,
258 		    dialog,
259 		    hr_box.x + (ONE_WIDE + 2 * MARGIN + 1),
260 		    hr_box.y,
261 		    hr_box.width,
262 		    hr_box.height,
263 		    60,
264 		    minute >= 0 ? minute : current.tm_min,
265 		    'M') < 0
266 	|| DrawObject(&mn_box) < 0) {
267 	return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
268     }
269 
270     mvwprintw(dialog, mn_box.y, mn_box.x + ONE_WIDE + MARGIN, ":");
271     if (init_object(&sc_box,
272 		    dialog,
273 		    mn_box.x + (ONE_WIDE + 2 * MARGIN + 1),
274 		    mn_box.y,
275 		    mn_box.width,
276 		    mn_box.height,
277 		    60,
278 		    second >= 0 ? second : current.tm_sec,
279 		    'S') < 0
280 	|| DrawObject(&sc_box) < 0) {
281 	return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
282     }
283 
284     dlg_trace_win(dialog);
285     while (result == DLG_EXIT_UNKNOWN) {
286 	BOX *obj = (state == sHR ? &hr_box
287 		    : (state == sMN ? &mn_box :
288 		       (state == sSC ? &sc_box : 0)));
289 	int key2;
290 
291 	button = (state < 0) ? 0 : state;
292 	dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
293 	if (obj != 0)
294 	    dlg_set_focus(dialog, obj->window);
295 
296 	key = dlg_mouse_wgetch(dialog, &fkey);
297 	if (dlg_result_key(key, fkey, &result)) {
298 	    if (!dlg_button_key(result, &button, &key, &fkey))
299 		break;
300 	}
301 
302 	if ((key2 = dlg_char_to_button(key, buttons)) >= 0) {
303 	    result = key2;
304 	} else {
305 	    /* handle function-keys */
306 	    if (fkey) {
307 		switch (key) {
308 		case DLGK_MOUSE('H'):
309 		    state = sHR;
310 		    break;
311 		case DLGK_MOUSE('M'):
312 		    state = sMN;
313 		    break;
314 		case DLGK_MOUSE('S'):
315 		    state = sSC;
316 		    break;
317 		case DLGK_TOGGLE:
318 		case DLGK_ENTER:
319 		    result = dlg_ok_buttoncode(button);
320 		    break;
321 		case DLGK_FIELD_PREV:
322 		    state = dlg_prev_ok_buttonindex(state, sHR);
323 		    break;
324 		case DLGK_FIELD_NEXT:
325 		    state = dlg_next_ok_buttonindex(state, sHR);
326 		    break;
327 		case DLGK_FIELD_FIRST:
328 		    if (obj != 0) {
329 			obj->value = 0;
330 			(void) DrawObject(obj);
331 		    }
332 		    break;
333 		case DLGK_FIELD_LAST:
334 		    if (obj != 0) {
335 			switch (state) {
336 			case sHR:
337 			    obj->value = 23;
338 			    break;
339 			case sMN:
340 			case sSC:
341 			    obj->value = 59;
342 			    break;
343 			}
344 			(void) DrawObject(obj);
345 		    }
346 		    break;
347 		case DLGK_DELETE_RIGHT:
348 		    if (obj != 0) {
349 			obj->value /= 10;
350 			(void) DrawObject(obj);
351 		    }
352 		    break;
353 #ifdef KEY_RESIZE
354 		case KEY_RESIZE:
355 		    dlg_will_resize(dialog);
356 		    /* reset data */
357 		    height = old_height;
358 		    width = old_width;
359 		    hour = hr_box.value;
360 		    minute = mn_box.value;
361 		    second = sc_box.value;
362 		    /* repaint */
363 		    free(prompt);
364 		    _dlg_resize_cleanup(dialog);
365 		    goto retry;
366 #endif
367 		default:
368 		    if (is_DLGK_MOUSE(key)) {
369 			result = dlg_ok_buttoncode(key - M_EVENT);
370 			if (result < 0)
371 			    result = DLG_EXIT_OK;
372 		    } else if (obj != 0) {
373 			int step = next_or_previous(key);
374 			if (step != 0) {
375 			    obj->value += step;
376 			    while (obj->value < 0)
377 				obj->value += obj->period;
378 			    obj->value %= obj->period;
379 			    (void) DrawObject(obj);
380 			}
381 		    }
382 		    break;
383 		}
384 	    } else if (isdigit(key)) {
385 		if (obj != 0) {
386 		    int digit = (key - '0');
387 		    int value = (obj->value * 10) + digit;
388 		    if (value < obj->period) {
389 			obj->value = value;
390 			(void) DrawObject(obj);
391 		    } else {
392 			beep();
393 		    }
394 		}
395 	    } else if (key > 0) {
396 		beep();
397 	    }
398 	}
399     }
400 
401 #define DefaultFormat(dst, src) \
402 	sprintf(dst, "%02d:%02d:%02d", \
403 		hr_box.value, mn_box.value, sc_box.value)
404 
405 #if defined(HAVE_STRFTIME)
406     if (dialog_vars.time_format != 0) {
407 	size_t used;
408 	time_t now = time((time_t *) 0);
409 	struct tm *parts = localtime(&now);
410 
411 	parts->tm_sec = sc_box.value;
412 	parts->tm_min = mn_box.value;
413 	parts->tm_hour = hr_box.value;
414 	used = strftime(buffer,
415 			sizeof(buffer) - 1,
416 			dialog_vars.time_format,
417 			parts);
418 	if (used == 0 || *buffer == '\0')
419 	    DefaultFormat(buffer, hr_box);
420     } else
421 #endif
422 	DefaultFormat(buffer, hr_box);
423 
424     dlg_add_result(buffer);
425     AddLastKey();
426 
427     return CleanupResult(result, dialog, prompt, &save_vars);
428 }
429