bfu.c

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	}
	if (l < di->item->gid || l > di->item->gnum) {
		msg_box(dlg->win->term, NULL, TEXT(T_BAD_NUMBER), AL_CENTER, TEXT(T_NUMBER_OUT_OF_RANGE), NULL, 1, TEXT(T_CANCEL), NULL, B_ENTER | B_ESC);
		return 1;
	}
	return 0;
}

int check_nonempty(struct dialog_data *dlg, struct dialog_item_data *di)
{
	unsigned char *p;
	for (p = di->cdata; *p; p++) if (*p > ' ') return 0;
	msg_box(dlg->win->term, NULL, TEXT(T_BAD_STRING), AL_CENTER, TEXT(T_EMPTY_STRING_NOT_ALLOWED), NULL, 1, TEXT(T_CANCEL), NULL, B_ENTER | B_ESC);
	return 1;
}

int cancel_dialog(struct dialog_data *dlg, struct dialog_item_data *di)
{
	delete_window(dlg->win);
	return 0;
}

int check_dialog(struct dialog_data *dlg)
{
	int i;
	for (i = 0; i < dlg->n; i++)
		if (dlg->dlg->items[i].type == D_CHECKBOX || dlg->dlg->items[i].type == D_FIELD || dlg->dlg->items[i].type == D_FIELD_PASS)
			if (dlg->dlg->items[i].fn && dlg->dlg->items[i].fn(dlg, &dlg->items[i])) {
				dlg->selected = i;
				draw_to_window(dlg->win, (void (*)(struct terminal *, void *))redraw_dialog_items, dlg);
				return 1;
			}
	return 0;
}

void get_dialog_data(struct dialog_data *dlg)
{
	int i;
	for (i = 0; i < dlg->n; i++)
		memcpy(dlg->dlg->items[i].data, dlg->items[i].cdata, dlg->dlg->items[i].dlen);
}

int ok_dialog(struct dialog_data *dlg, struct dialog_item_data *di)
{
	int i;
	void (*fn)(void *) = dlg->dlg->refresh;
	void *data = dlg->dlg->refresh_data;
	if (check_dialog(dlg)) return 1;
	get_dialog_data(dlg);
	if (fn) fn(data);
	i = cancel_dialog(dlg, di);
	return i;
}

void center_dlg(struct dialog_data *dlg)
{
	if (!dlg->win->term->spec->braille) {
		dlg->x = (dlg->win->term->x - dlg->xw) / 2;
		dlg->y = (dlg->win->term->y - dlg->yw) / 2;
	} else {
		dlg->x = -6;
		dlg->y = -1;
		dlg->xw = dlg->win->term->x + 12;
		dlg->yw = dlg->win->term->y + 3;
	}
}

void draw_dlg(struct dialog_data *dlg)
{
	if (!F) {
		int i, tpos;
		struct terminal *term = dlg->win->term;
		fill_area(term, dlg->x, dlg->y, dlg->xw, dlg->yw, COLOR_DIALOG);
		draw_frame(term, dlg->x + DIALOG_LEFT_BORDER, dlg->y + DIALOG_TOP_BORDER, dlg->xw - 2 * DIALOG_LEFT_BORDER, dlg->yw - 2 * DIALOG_TOP_BORDER, COLOR_DIALOG_FRAME, DIALOG_FRAME);
		i = strlen(_(dlg->dlg->title, term));
		tpos = (dlg->xw - i) / 2;
		if (term->spec->braille) tpos = 9;
		print_text(term, tpos + dlg->x - 1, dlg->y + DIALOG_TOP_BORDER, 1, " ", COLOR_DIALOG_TITLE);
		print_text(term, tpos + dlg->x, dlg->y + DIALOG_TOP_BORDER, i, _(dlg->dlg->title, term), COLOR_DIALOG_TITLE);
		print_text(term, tpos + dlg->x + i, dlg->y + DIALOG_TOP_BORDER, 1, " ", COLOR_DIALOG_TITLE);
#ifdef G
	} else {
		struct graphics_device *dev = dlg->win->term->dev;
		struct rect r;
		struct rect rt;
		unsigned char *text = _(dlg->dlg->title, dlg->win->term);
		int xtl = txtlen(text);
		int tl = xtl + 2 * G_DIALOG_TITLE_BORDER;
		int TXT_X, TXT_Y;
		if (tl > dlg->xw - 2 * G_DIALOG_LEFT_BORDER - 2 * G_DIALOG_VLINE_SPACE) tl = dlg->xw - 2 * G_DIALOG_LEFT_BORDER - 2 * G_DIALOG_VLINE_SPACE;
		TXT_X = dlg->x + (dlg->xw - tl) / 2;
		TXT_Y = dlg->y + G_DIALOG_TOP_BORDER + (G_DIALOG_HLINE_SPACE + 1) / 2 - G_BFU_FONT_SIZE / 2;
		if (TXT_Y < dlg->y) TXT_Y = dlg->y;
		if (TXT_Y < dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE + 1 - G_BFU_FONT_SIZE) TXT_Y = dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE + 1 - G_BFU_FONT_SIZE;
		set_window_pos(dlg->win, dlg->x, dlg->y, dlg->x + dlg->xw, dlg->y + dlg->yw);

		restrict_clip_area(dev, &r, TXT_X, TXT_Y, TXT_X + tl, TXT_Y + G_BFU_FONT_SIZE);
		rt.x1 = TXT_X;
		rt.x2 = TXT_X + tl;
		rt.y1 = TXT_Y;
		rt.y2 = TXT_Y + G_BFU_FONT_SIZE;
		if (xtl > tl) g_print_text(drv, dev, TXT_X, TXT_Y, bfu_style_wb, text, NULL);
		else {
			drv->fill_area(dev, TXT_X, TXT_Y, TXT_X + (tl - xtl) / 2, TXT_Y + G_BFU_FONT_SIZE, bfu_fg_color);
			g_print_text(drv, dev, TXT_X + (tl - xtl) / 2, TXT_Y, bfu_style_wb, text, NULL);
			drv->fill_area(dev, TXT_X + (tl - xtl) / 2 + xtl, TXT_Y, TXT_X + tl, TXT_Y + G_BFU_FONT_SIZE, bfu_fg_color);
		}
		drv->set_clip_area(dev, &r);

		drv->draw_hline(dev, dlg->x + G_DIALOG_LEFT_BORDER, dlg->y + G_DIALOG_TOP_BORDER, TXT_X, bfu_fg_color);
		drv->draw_hline(dev, dlg->x + G_DIALOG_LEFT_BORDER + G_DIALOG_VLINE_SPACE, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE, TXT_X, bfu_fg_color);
		drv->draw_hline(dev, TXT_X + tl, dlg->y + G_DIALOG_TOP_BORDER, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER, bfu_fg_color);
		drv->draw_hline(dev, TXT_X + tl, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - G_DIALOG_VLINE_SPACE, bfu_fg_color);
		drv->draw_hline(dev, dlg->x + G_DIALOG_LEFT_BORDER, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - 1, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER, bfu_fg_color);
		drv->draw_hline(dev, dlg->x + G_DIALOG_LEFT_BORDER + G_DIALOG_VLINE_SPACE, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - G_DIALOG_HLINE_SPACE - 1, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - G_DIALOG_VLINE_SPACE, bfu_fg_color);

		drv->draw_vline(dev, dlg->x + G_DIALOG_LEFT_BORDER, dlg->y + G_DIALOG_TOP_BORDER + 1, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - 1, bfu_fg_color);
		drv->draw_vline(dev, dlg->x + G_DIALOG_LEFT_BORDER + G_DIALOG_VLINE_SPACE, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE + 1, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - G_DIALOG_HLINE_SPACE - 1, bfu_fg_color);
		drv->draw_vline(dev, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - 1, dlg->y + G_DIALOG_TOP_BORDER + 1, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - 1, bfu_fg_color);
		drv->draw_vline(dev, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - G_DIALOG_VLINE_SPACE - 1, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE + 1, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - G_DIALOG_HLINE_SPACE - 1, bfu_fg_color);

		drv->fill_area(dev, dlg->x, dlg->y, TXT_X, dlg->y + G_DIALOG_TOP_BORDER, bfu_bg_color);
		drv->fill_area(dev, TXT_X, dlg->y, TXT_X + tl, TXT_Y, bfu_bg_color);
		drv->fill_area(dev, TXT_X + tl, dlg->y, dlg->x + dlg->xw, dlg->y + G_DIALOG_TOP_BORDER, bfu_bg_color);
		drv->fill_area(dev, dlg->x, dlg->y + G_DIALOG_TOP_BORDER, dlg->x + G_DIALOG_LEFT_BORDER, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER, bfu_bg_color);
		drv->fill_area(dev, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER, dlg->y + G_DIALOG_TOP_BORDER, dlg->x + dlg->xw, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER, bfu_bg_color);
		drv->fill_area(dev, dlg->x, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER, dlg->x + dlg->xw, dlg->y + dlg->yw, bfu_bg_color);

		drv->fill_area(dev, dlg->x + G_DIALOG_LEFT_BORDER + 1, dlg->y + G_DIALOG_TOP_BORDER + 1, TXT_X, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE, bfu_bg_color);
		drv->fill_area(dev, TXT_X + tl, dlg->y + G_DIALOG_TOP_BORDER + 1, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - 1, dlg->y + G_DIALOG_TOP_BORDER + + G_DIALOG_HLINE_SPACE, bfu_bg_color);
		drv->fill_area(dev, dlg->x + G_DIALOG_LEFT_BORDER + 1, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE, dlg->x + G_DIALOG_LEFT_BORDER + G_DIALOG_VLINE_SPACE, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - G_DIALOG_HLINE_SPACE, bfu_bg_color);
		drv->fill_area(dev, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - G_DIALOG_VLINE_SPACE, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - 1, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - G_DIALOG_HLINE_SPACE, bfu_bg_color);
		drv->fill_area(dev, dlg->x + G_DIALOG_LEFT_BORDER + 1, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - G_DIALOG_HLINE_SPACE, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - 1, dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - 1, bfu_bg_color);
		
		/*
		drv->fill_area(dev, dlg->x + G_DIALOG_LEFT_BORDER + G_DIALOG_VLINE_SPACE + 1, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE + 1, TXT_X, TXT_Y + G_BFU_FONT_SIZE, bfu_bg_color);
		drv->fill_area(dev, TXT_X + tl, dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE + 1, dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - G_DIALOG_VLINE_SPACE - 1, TXT_Y + G_BFU_FONT_SIZE, bfu_bg_color);
		*/
		dlg->s = init_rect_set();
		dlg->rr.x1 = dlg->x + G_DIALOG_LEFT_BORDER + G_DIALOG_VLINE_SPACE + 1;
		dlg->rr.x2 = dlg->x + dlg->xw - G_DIALOG_LEFT_BORDER - G_DIALOG_VLINE_SPACE - 1;
		/*dlg->rr.y1 = TXT_Y + G_BFU_FONT_SIZE;*/
		dlg->rr.y1 = dlg->y + G_DIALOG_TOP_BORDER + G_DIALOG_HLINE_SPACE + 1;
		dlg->rr.y2 = dlg->y + dlg->yw - G_DIALOG_TOP_BORDER - G_DIALOG_HLINE_SPACE - 1;
		add_to_rect_set(&dlg->s, &dlg->rr);
		exclude_rect_from_set(&dlg->s, &rt);
		restrict_clip_area(dev, &dlg->r, dlg->rr.x1, dlg->rr.y1, dlg->rr.x2, dlg->rr.y2);
#endif
	}
}

void max_text_width(struct terminal *term, unsigned char *text, int *width, int align)
{
	if (term->spec->braille) *width = term->x;
	text = _(text, term);
	do {
		int c = 0;
		while (*text && *text != '\n') {
			if (!F) text++, c++;
#ifdef G
			else {
				int u;
				GET_UTF_8(text, u);
				c += g_char_width(align & AL_MONO ? bfu_style_wb_mono : bfu_style_wb, u);
			}
#endif
		}
		if (c > *width) *width = c;
	} while (*(text++));
}

void min_text_width(struct terminal *term, unsigned char *text, int *width, int align)
{
	if (term->spec->braille) *width = term->x;
	text = _(text, term);
	do {
		int c = 0;
		while (*text && *text != '\n' && *text != ' ') {
			if (!F) text++, c++;
#ifdef G
			else {
				int u;
				GET_UTF_8(text, u);
				c += g_char_width(align & AL_MONO ? bfu_style_wb_mono : bfu_style_wb, u);
			}
#endif
		}
		if (c > *width) *width = c;
	} while (*(text++));
}

int dlg_format_text(struct dialog_data *dlg, struct terminal *term, unsigned char *text, int x, int *y, int w, int *rw, int co, int align)
{
	int xx = x;
#ifdef G
	unsigned char *tx2;
#endif
	text = _(text, dlg->win->term);
	if (dlg->win->term->spec->braille && !(align & AL_NOBRLEXP)) w = dlg->win->term->x;
	if (!F) do {
		unsigned char *tx;
		unsigned char *tt = text;
		int s;
		xx = x;
		do {
			while (*text && *text != '\n' && *text != ' ') {
				text++, xx++;
			}
			tx = ++text;
			xx++;
			if (*(text - 1) != ' ') break;
			while (*tx && *tx != '\n' && *tx != ' ') tx++;
		} while (tx - text + xx - x <= w);
		s = (align & AL_MASK) == AL_CENTER && !dlg->win->term->spec->braille ? (w - (xx - 1 - x)) / 2 : 0;
		if (s < 0) s = 0;
		while (tt < text - 1) {
			if (s >= w) {
				s = 0, (*y)++;
				if (rw) *rw = w;
				rw = NULL;
			}
			if (term) set_char(term, x + s, *y, co | *tt);
			s++, tt++;
		}
		if (rw && xx - 1 - x > *rw) *rw = xx - 1 - x;
		(*y)++;
	} while (*(text - 1));
#ifdef G
	else if ((tx2 = strchr(text, '\n'))) {
		unsigned char *txt = stracpy(text);
		unsigned char *tx1 = txt;
		tx2 += txt - text;
		do {
			*tx2 = 0;
			dlg_format_text(dlg, term, tx1, x, y, w, rw, co, align);
			tx1 = tx2 + 1;
		} while ((tx2 = strchr(tx1, '\n')));
		dlg_format_text(dlg, term, tx1, x, y, w, rw, co, align);
		mem_free(txt);
	} else {
		int www;
		unsigned char *txt;
		struct wrap_struct ww;
		int r;
		ww.style = align & AL_MONO ? bfu_style_bw_mono : bfu_style_bw;
		ww.width = w;
		new_ln:
		ww.text = text;
		ww.pos = 0;
		ww.last_wrap = NULL;
		ww.last_wrap_obj = NULL;
		r = g_wrap_text(&ww);
		if (!r) {
			txt = memacpy(text, ww.last_wrap - text);
			www = g_text_width(ww.style, txt);
			if (!term) mem_free(txt);
			text = ww.last_wrap;
			if (*text == ' ') text++;
			else if (term) add_to_strn(&txt, "-");
		} else {
			www = ww.pos;
			txt = text;
		}
		if (term) {
			int xx = (align & AL_MASK) == AL_CENTER ? x + (w - www) / 2 : x;
			g_print_text(drv, dlg->win->term->dev, xx, *y, ww.style, txt, NULL);
			if (dlg->s) exclude_from_set(&dlg->s, xx, *y, xx + www, *y + G_BFU_FONT_SIZE);
			if (!r) mem_free(txt);
		}
		if (www > w) www = w;
		if (rw && www > *rw) *rw = www;
		*y += G_BFU_FONT_SIZE;
		if (!r) goto new_ln;
	}
#endif
	return xx - x;
}

void max_buttons_width(struct terminal *term, struct dialog_item_data *butt, int n, int *width)
{
	int w = gf_val(-2, -G_DIALOG_BUTTON_SPACE);
	int i;
	if (term->spec->braille) *width = term->x;
	for (i = 0; i < n; i++) w += txtlen(_((butt++)->item->text, term)) + gf_val(6, G_DIALOG_BUTTON_SPACE + txtlen(G_DIALOG_BUTTON_L) + txtlen(G_DIALOG_BUTTON_R));
	if (w > *width) *width = w;
}

void min_buttons_width(struct terminal *term, struct dialog_item_data *butt, int n, int *width)
{
	int i;
	if (term->spec->braille) *width = term->x;
	for (i = 0; i < n; i++) {
		int w = txtlen(_((butt++)->item->text, term)) + gf_val(4, txtlen(G_DIALOG_BUTTON_L G_DIALOG_BUTTON_R));
		if (w > *width) *width = w;
	}
}

void dlg_format_buttons(struct dialog_data *dlg, struct terminal *term, struct dialog_item_data *butt, int n, int x, int *y, int w, int *rw, int align)
{
	int i1 = 0;
	if (dlg->win->term->spec->braille) w = dlg->win->term->x;
	while (i1 < n) {
		int i2 = i1 + 1;
		int mw;
		while (i2 < n) {
			mw = 0;
			max_buttons_width(dlg->win->term, butt + i1, i2 - i1 + 1, &mw);
			if (mw <= w) i2++;
			else break;
		}
		mw = 0;
		max_buttons_width(dlg->win->term, butt + i1, i2 - i1, &mw);
		if (rw && mw > *rw) if ((*rw = mw) > w) *rw = w;
		if (term) {
			int i;
			int p = x + ((align & AL_MASK) == AL_CENTER ? (w - mw) / 2 : 0);
			for (i = i1; i < i2; i++) {
				butt[i].x = p;
				butt[i].y = *y;
				p += (butt[i].l = txtlen(_(butt[i].item->text, dlg->win->term)) + gf_val(4, txtlen(G_DIALOG_BUTTON_L G_DIALOG_BUTTON_R))) + gf_val(2, G_DIALOG_BUTTON_SPACE);
			}
		}
		*y += gf_val(2, G_BFU_FONT_SIZE * 2);
		i1 = i2;
	}
}

void dlg_format_checkbox(struct dialog_data *dlg, struct terminal *term, struct dialog_item_data *chkb, int x, int *y, int w, int *rw, unsigned char *text)
{
	int k = gf_val(4, txtlen(G_DIALOG_CHECKBOX_L G_DIALOG_CHECKBOX_X G_DIALOG_CHECKBOX_R) + G_DIALOG_CHECKBOX_SPACE);
	if (term) {
		chkb->x = x;
		chkb->y = *y;
	}
	if (rw) *rw -= k;
	dlg_format_text(dlg, term, text, x + k, y, w - k, rw, COLOR_DIALOG_CHECKBOX_TEXT, AL_LEFT | AL_NOBRLEXP);
	if (rw) *rw += k;
}

void dlg_format_checkboxes(struct dialog_data *dlg, struct terminal *term, struct dialog_item_data *chkb, int n, int x, int *y, int w, int *rw, unsigned char **texts)
{
	if (dlg->win->term->spec->braille) w = dlg->win->term->x;
	while (n) {
		dlg_format_checkbox(dlg, term, chkb, x, y, w, rw, texts[0]);
		texts++; chkb++; n--;
	}
}

void checkboxes_width(struct terminal *term, unsigned char **texts, int *w, void (*fn)(struct terminal *, unsigned char *, int *, int))
{
	int k = gf_val(4, txtlen(G_DIALOG_CHECKBOX_L G_DIALOG_CHECKBOX_X G_DIALOG_CHECKBOX_R) + G_DIALOG_CHECKBOX_SPACE);
	while (texts[0]) {
		*w -= k;
		fn(term, _(texts[0], term), w, 0);
		*w += k;
		texts++;
	}
}

void dlg_format_field(struct dialog_data *dlg, struct terminal *term, struct dialog_item_data *item, int x, int *y, int w, int *rw, int align)
{
	if (dlg->win->term->spec->braille) w = dlg->win->