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-rw-r--r--base/dialog/calendar.c645
1 files changed, 645 insertions, 0 deletions
diff --git a/base/dialog/calendar.c b/base/dialog/calendar.c
new file mode 100644
index 000000000..92936e698
--- /dev/null
+++ b/base/dialog/calendar.c
@@ -0,0 +1,645 @@
+/*
+ * $Id: calendar.c,v 1.54 2008/06/21 12:36:41 tom Exp $
+ *
+ * calendar.c -- implements the calendar box
+ *
+ * Copyright 2001-2007,2008 Thomas E. Dickey
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License, version 2.1
+ * as published by the Free Software Foundation.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to
+ * Free Software Foundation, Inc.
+ * 51 Franklin St., Fifth Floor
+ * Boston, MA 02110, USA.
+ */
+
+#include <dialog.h>
+#include <dlg_keys.h>
+
+#include <time.h>
+
+#define ONE_DAY (60 * 60 * 24)
+
+#define MON_WIDE 4 /* width of a month-name */
+#define DAY_HIGH 6 /* maximum lines in day-grid */
+#define DAY_WIDE (8 * MON_WIDE) /* width of the day-grid */
+#define HDR_HIGH 1 /* height of cells with month/year */
+#define BTN_HIGH 1 /* height of button-row excluding margin */
+
+/* two more lines: titles for day-of-week and month/year boxes */
+#define MIN_HIGH (DAY_HIGH + 2 + HDR_HIGH + BTN_HIGH + (7 * MARGIN))
+#define MIN_WIDE (DAY_WIDE + (4 * MARGIN))
+
+typedef enum {
+ sMONTH = -3
+ ,sYEAR = -2
+ ,sDAY = -1
+} STATES;
+
+struct _box;
+
+typedef int (*BOX_DRAW) (struct _box *, struct tm *);
+
+typedef struct _box {
+ WINDOW *parent;
+ WINDOW *window;
+ int x;
+ int y;
+ int width;
+ int height;
+ BOX_DRAW box_draw;
+} BOX;
+
+static int
+days_in_month(struct tm *current, int offset /* -1, 0, 1 */ )
+{
+ static const int nominal[] =
+ {
+ 31, 28, 31, 30, 31, 30,
+ 31, 31, 30, 31, 30, 31
+ };
+ int year = current->tm_year;
+ int month = current->tm_mon + offset;
+ int result;
+
+ while (month < 0) {
+ month += 12;
+ year -= 1;
+ }
+ while (month >= 12) {
+ month -= 12;
+ year += 1;
+ }
+ result = nominal[month];
+ if (month == 1)
+ result += ((year % 4) == 0);
+ return result;
+}
+
+static int
+days_in_year(struct tm *current, int offset /* -1, 0, 1 */ )
+{
+ int year = current->tm_year + 1900 + offset;
+
+ return ((year % 4) == 0) ? 366 : 365;
+}
+
+static int
+day_cell_number(struct tm *current)
+{
+ int cell;
+ cell = current->tm_mday - ((6 + current->tm_mday - current->tm_wday) % 7);
+ if ((current->tm_mday - 1) % 7 != current->tm_wday)
+ cell += 6;
+ else
+ cell--;
+ return cell;
+}
+
+static int
+next_or_previous(int key, int two_d)
+{
+ int result = 0;
+
+ switch (key) {
+ case DLGK_GRID_UP:
+ result = two_d ? -7 : -1;
+ break;
+ case DLGK_GRID_LEFT:
+ result = -1;
+ break;
+ case DLGK_GRID_DOWN:
+ result = two_d ? 7 : 1;
+ break;
+ case DLGK_GRID_RIGHT:
+ result = 1;
+ break;
+ default:
+ beep();
+ break;
+ }
+ return result;
+}
+
+/*
+ * Draw the day-of-month selection box
+ */
+static int
+draw_day(BOX * data, struct tm *current)
+{
+#ifdef ENABLE_NLS
+ char *of_week[] =
+ {
+ nl_langinfo(ABDAY_1),
+ nl_langinfo(ABDAY_2),
+ nl_langinfo(ABDAY_3),
+ nl_langinfo(ABDAY_4),
+ nl_langinfo(ABDAY_5),
+ nl_langinfo(ABDAY_6),
+ nl_langinfo(ABDAY_7)
+ };
+#else
+ static const char *const of_week[] =
+ {
+ "Dimanche",
+ "Lundi",
+ "Mardi",
+ "Mercredi",
+ "Jeudi",
+ "Vendredi",
+ "Samedi"
+ };
+#endif
+ int cell_wide = MON_WIDE;
+ int y, x, this_x = 0;
+ int save_y = 0, save_x = 0;
+ int day = current->tm_mday;
+ int mday;
+ int week;
+ int last = days_in_month(current, 0);
+ int prev = days_in_month(current, -1);
+
+ werase(data->window);
+ dlg_draw_box(data->parent,
+ data->y - MARGIN, data->x - MARGIN,
+ data->height + (2 * MARGIN), data->width + (2 * MARGIN),
+ menubox_border_attr, menubox_attr); /* border of daybox */
+
+ wattrset(data->window, menubox_attr); /* daynames headline */
+ for (x = 0; x < 7; x++) {
+ mvwprintw(data->window,
+ 0, (x + 1) * cell_wide, "%*.*s ",
+ cell_wide - 1,
+ cell_wide - 1,
+ of_week[x]);
+ }
+
+ mday = ((6 + current->tm_mday - current->tm_wday) % 7) - 7;
+ if (mday <= -7)
+ mday += 7;
+ /* mday is now in the range -6 to 0. */
+ week = (current->tm_yday + 6 + mday - current->tm_mday) / 7;
+
+ for (y = 1; mday < last; y++) {
+ wattrset(data->window, menubox_attr); /* weeknumbers headline */
+ mvwprintw(data->window,
+ y, 0,
+ "%*d ",
+ cell_wide - 1,
+ ++week);
+ for (x = 0; x < 7; x++) {
+ this_x = 1 + (x + 1) * cell_wide;
+ ++mday;
+ if (wmove(data->window, y, this_x) == ERR)
+ continue;
+ wattrset(data->window, item_attr); /* not selected days */
+ if (mday == day) {
+ wattrset(data->window, item_selected_attr); /* selected day */
+ save_y = y;
+ save_x = this_x;
+ }
+ if (mday > 0) {
+ if (mday <= last) {
+ wprintw(data->window, "%*d", cell_wide - 2, mday);
+ } else if (mday == day) {
+ wprintw(data->window, "%*d", cell_wide - 2, mday - last);
+ }
+ } else if (mday == day) {
+ wprintw(data->window, "%*d", cell_wide - 2, mday + prev);
+ }
+ }
+ wmove(data->window, save_y, save_x);
+ }
+ dlg_draw_arrows(data->parent, TRUE, TRUE,
+ data->x + ARROWS_COL,
+ data->y - 1,
+ data->y + data->height);
+
+ return 0;
+}
+
+/*
+ * Draw the month-of-year selection box
+ */
+static int
+draw_month(BOX * data, struct tm *current)
+{
+#ifdef ENABLE_NLS
+ char *months[] =
+ {
+ nl_langinfo(MON_1),
+ nl_langinfo(MON_2),
+ nl_langinfo(MON_3),
+ nl_langinfo(MON_4),
+ nl_langinfo(MON_5),
+ nl_langinfo(MON_6),
+ nl_langinfo(MON_7),
+ nl_langinfo(MON_8),
+ nl_langinfo(MON_9),
+ nl_langinfo(MON_10),
+ nl_langinfo(MON_11),
+ nl_langinfo(MON_12)
+ };
+#else
+ static const char *const months[] =
+ {
+ "Janvier",
+ "Fevrier",
+ "Mars",
+ "Avril",
+ "Mai",
+ "Juin",
+ "Juillet",
+ "Aout",
+ "Septembre",
+ "Octobre",
+ "Novembre",
+ "Decembre"
+ };
+#endif
+ int month;
+
+ month = current->tm_mon + 1;
+
+ wattrset(data->parent, dialog_attr); /* Headline "Month" */
+ (void) mvwprintw(data->parent, data->y - 2, data->x - 1, _("Mois"));
+ dlg_draw_box(data->parent,
+ data->y - 1, data->x - 1,
+ data->height + 2, data->width + 2,
+ menubox_border_attr, menubox_attr); /* borders of monthbox */
+ wattrset(data->window, item_attr); /* color the month selection */
+ mvwprintw(data->window, 0, 0, "%s", months[month - 1]);
+ wmove(data->window, 0, 0);
+ return 0;
+}
+
+/*
+ * Draw the year selection box
+ */
+static int
+draw_year(BOX * data, struct tm *current)
+{
+ int year = current->tm_year + 1900;
+
+ wattrset(data->parent, dialog_attr); /* Headline "Year" */
+ (void) mvwprintw(data->parent, data->y - 2, data->x - 1, _("Année"));
+ dlg_draw_box(data->parent,
+ data->y - 1, data->x - 1,
+ data->height + 2, data->width + 2,
+ menubox_border_attr, menubox_attr); /* borders of yearbox */
+ wattrset(data->window, item_attr); /* color the year selection */
+ mvwprintw(data->window, 0, 0, "%4d", year);
+ wmove(data->window, 0, 0);
+ return 0;
+}
+
+static int
+init_object(BOX * data,
+ WINDOW *parent,
+ int x, int y,
+ int width, int height,
+ BOX_DRAW box_draw,
+ int code)
+{
+ data->parent = parent;
+ data->x = x;
+ data->y = y;
+ data->width = width;
+ data->height = height;
+ data->box_draw = box_draw;
+
+ data->window = derwin(data->parent,
+ data->height, data->width,
+ data->y, data->x);
+ if (data->window == 0)
+ return -1;
+ (void) keypad(data->window, TRUE);
+
+ dlg_mouse_setbase(getbegx(parent), getbegy(parent));
+ if (code == 'D') {
+ dlg_mouse_mkbigregion(y + 1, x + MON_WIDE, height - 1, width - MON_WIDE,
+ KEY_MAX, 1, MON_WIDE, 3);
+ } else {
+ dlg_mouse_mkregion(y, x, height, width, code);
+ }
+
+ return 0;
+}
+
+static int
+CleanupResult(int code, WINDOW *dialog, char *prompt, DIALOG_VARS * save_vars)
+{
+ if (dialog != 0)
+ dlg_del_window(dialog);
+ dlg_mouse_free_regions();
+ if (prompt != 0)
+ free(prompt);
+ dlg_restore_vars(save_vars);
+
+ return code;
+}
+
+#define DrawObject(data) (data)->box_draw(data, &current)
+
+/*
+ * Display a dialog box for entering a date
+ */
+int
+dialog_calendar(const char *title,
+ const char *subtitle,
+ int height,
+ int width,
+ int day,
+ int month,
+ int year)
+{
+ /* *INDENT-OFF* */
+ static DLG_KEYS_BINDING binding[] = {
+ ENTERKEY_BINDINGS,
+ DLG_KEYS_DATA( DLGK_ENTER, ' ' ),
+ DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ),
+ DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ),
+ DLG_KEYS_DATA( DLGK_GRID_DOWN, 'j' ),
+ DLG_KEYS_DATA( DLGK_GRID_DOWN, KEY_DOWN ),
+ DLG_KEYS_DATA( DLGK_GRID_DOWN, KEY_NPAGE ),
+ DLG_KEYS_DATA( DLGK_GRID_DOWN, DLGK_MOUSE(KEY_NPAGE) ),
+ DLG_KEYS_DATA( DLGK_GRID_LEFT, 'h' ),
+ DLG_KEYS_DATA( DLGK_GRID_LEFT, CHR_BACKSPACE ),
+ DLG_KEYS_DATA( DLGK_GRID_LEFT, CHR_PREVIOUS ),
+ DLG_KEYS_DATA( DLGK_GRID_LEFT, KEY_LEFT ),
+ DLG_KEYS_DATA( DLGK_GRID_RIGHT, 'l' ),
+ DLG_KEYS_DATA( DLGK_GRID_RIGHT, CHR_NEXT ),
+ DLG_KEYS_DATA( DLGK_GRID_RIGHT, KEY_NEXT ),
+ DLG_KEYS_DATA( DLGK_GRID_RIGHT, KEY_RIGHT ),
+ DLG_KEYS_DATA( DLGK_GRID_UP, 'k' ),
+ DLG_KEYS_DATA( DLGK_GRID_UP, KEY_PPAGE ),
+ DLG_KEYS_DATA( DLGK_GRID_UP, KEY_PREVIOUS ),
+ DLG_KEYS_DATA( DLGK_GRID_UP, KEY_UP ),
+ DLG_KEYS_DATA( DLGK_GRID_UP, DLGK_MOUSE(KEY_PPAGE) ),
+ END_KEYS_BINDING
+ };
+ /* *INDENT-ON* */
+
+#ifdef KEY_RESIZE
+ int old_height = height;
+ int old_width = width;
+#endif
+ BOX dy_box, mn_box, yr_box;
+ int fkey;
+ int key = 0;
+ int key2;
+ int step;
+ int button;
+ int result = DLG_EXIT_UNKNOWN;
+ WINDOW *dialog;
+ time_t now_time = time((time_t *) 0);
+ struct tm current;
+ int state = dlg_defaultno_button();
+ const char **buttons = dlg_ok_labels();
+ char *prompt = dlg_strclone(subtitle);
+ int longest;
+ int mincols;
+ char buffer[MAX_LEN];
+ DIALOG_VARS save_vars;
+
+ dlg_save_vars(&save_vars);
+ dialog_vars.separate_output = TRUE;
+
+ dlg_does_output();
+
+ now_time = time((time_t *) 0);
+ current = *localtime(&now_time);
+ if (day < 0)
+ day = current.tm_mday;
+ if (month < 0)
+ month = current.tm_mon + 1;
+ if (year < 0)
+ year = current.tm_year + 1900;
+
+ /* compute a struct tm that matches the day/month/year parameters */
+ if (((year -= 1900) > 0) && (year < 200)) {
+ /* ugly, but I'd like to run this on older machines w/o mktime -TD */
+ for (;;) {
+ if (year > current.tm_year) {
+ now_time += ONE_DAY * days_in_year(&current, 0);
+ } else if (year < current.tm_year) {
+ now_time -= ONE_DAY * days_in_year(&current, -1);
+ } else if (month > current.tm_mon + 1) {
+ now_time += ONE_DAY * days_in_month(&current, 0);
+ } else if (month < current.tm_mon + 1) {
+ now_time -= ONE_DAY * days_in_month(&current, -1);
+ } else if (day > current.tm_mday) {
+ now_time += ONE_DAY;
+ } else if (day < current.tm_mday) {
+ now_time -= ONE_DAY;
+ } else {
+ break;
+ }
+ current = *localtime(&now_time);
+ }
+ }
+
+ dlg_button_sizes(buttons, FALSE, &longest, &mincols);
+ mincols += (0 * MARGIN) + (dlg_button_count(buttons) * 3) - 1;
+ if (mincols < MIN_WIDE)
+ mincols = MIN_WIDE;
+
+#ifdef KEY_RESIZE
+ retry:
+#endif
+
+ dlg_auto_size(title, prompt, &height, &width, 0, mincols);
+ height += MIN_HIGH - 1;
+ if (width < MIN_WIDE)
+ width = MIN_WIDE;
+ dlg_print_size(height, width);
+ dlg_ctl_size(height, width);
+
+ dialog = dlg_new_window(height, width,
+ dlg_box_y_ordinate(height),
+ dlg_box_x_ordinate(width));
+ dlg_register_window(dialog, "calendar", binding);
+ dlg_register_buttons(dialog, "calendar", buttons);
+
+ /* mainbox */
+ dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
+ dlg_draw_bottom_box(dialog);
+ dlg_draw_title(dialog, title);
+
+ wattrset(dialog, dialog_attr); /* text mainbox */
+ dlg_print_autowrap(dialog, prompt, height, width);
+
+ /* compute positions of day, month and year boxes */
+ memset(&dy_box, 0, sizeof(dy_box));
+ memset(&mn_box, 0, sizeof(mn_box));
+ memset(&yr_box, 0, sizeof(yr_box));
+
+ if (init_object(&dy_box,
+ dialog,
+ (width - DAY_WIDE) / 2,
+ 1 + (height - (DAY_HIGH + BTN_HIGH + (5 * MARGIN))),
+ DAY_WIDE,
+ DAY_HIGH + 1,
+ draw_day,
+ 'D') < 0
+ || DrawObject(&dy_box) < 0) {
+ return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
+ }
+
+ if (init_object(&mn_box,
+ dialog,
+ dy_box.x,
+ dy_box.y - (HDR_HIGH + 2 * MARGIN),
+ (DAY_WIDE / 2) - MARGIN,
+ HDR_HIGH,
+ draw_month,
+ 'M') < 0
+ || DrawObject(&mn_box) < 0) {
+ return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
+ }
+
+ if (init_object(&yr_box,
+ dialog,
+ dy_box.x + mn_box.width + 2,
+ mn_box.y,
+ mn_box.width,
+ mn_box.height,
+ draw_year,
+ 'Y') < 0
+ || DrawObject(&yr_box) < 0) {
+ return CleanupResult(DLG_EXIT_ERROR, dialog, prompt, &save_vars);
+ }
+
+ while (result == DLG_EXIT_UNKNOWN) {
+ BOX *obj = (state == sDAY ? &dy_box
+ : (state == sMONTH ? &mn_box :
+ (state == sYEAR ? &yr_box : 0)));
+
+ button = (state < 0) ? 0 : state;
+ dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
+ if (obj != 0)
+ dlg_set_focus(dialog, obj->window);
+
+ key = dlg_mouse_wgetch(dialog, &fkey);
+ if (dlg_result_key(key, fkey, &result))
+ break;
+
+ if (fkey && (key >= DLGK_MOUSE(KEY_MIN) && key <= DLGK_MOUSE(KEY_MAX))) {
+ key = dlg_lookup_key(dialog, key - M_EVENT, &fkey);
+ }
+
+ if ((key2 = dlg_char_to_button(key, buttons)) >= 0) {
+ result = key2;
+ } else if (fkey) {
+ /* handle function-keys */
+ switch (key) {
+ case DLGK_MOUSE('D'):
+ state = sDAY;
+ break;
+ case DLGK_MOUSE('M'):
+ state = sMONTH;
+ break;
+ case DLGK_MOUSE('Y'):
+ state = sYEAR;
+ break;
+ case DLGK_ENTER:
+ result = dlg_ok_buttoncode(button);
+ break;
+ case DLGK_FIELD_PREV:
+ state = dlg_prev_ok_buttonindex(state, sMONTH);
+ break;
+ case DLGK_FIELD_NEXT:
+ state = dlg_next_ok_buttonindex(state, sMONTH);
+ break;
+#ifdef KEY_RESIZE
+ case KEY_RESIZE:
+ /* reset data */
+ height = old_height;
+ width = old_width;
+ /* repaint */
+ dlg_clear();
+ dlg_del_window(dialog);
+ refresh();
+ dlg_mouse_free_regions();
+ goto retry;
+#endif
+ default:
+ step = 0;
+ key2 = -1;
+ if (is_DLGK_MOUSE(key)) {
+ if ((key2 = dlg_ok_buttoncode(key - M_EVENT)) >= 0) {
+ result = key2;
+ break;
+ } else if (key >= DLGK_MOUSE(KEY_MAX)) {
+ state = sDAY;
+ obj = &dy_box;
+ key2 = 1;
+ step = (key
+ - DLGK_MOUSE(KEY_MAX)
+ - day_cell_number(&current));
+ }
+ }
+ if (obj != 0) {
+ if (key2 < 0)
+ step = next_or_previous(key, (obj == &dy_box));
+ if (step != 0) {
+ struct tm old = current;
+
+ /* see comment regarding mktime -TD */
+ if (obj == &dy_box) {
+ now_time += ONE_DAY * step;
+ } else if (obj == &mn_box) {
+ if (step > 0)
+ now_time += ONE_DAY *
+ days_in_month(&current, 0);
+ else
+ now_time -= ONE_DAY *
+ days_in_month(&current, -1);
+ } else if (obj == &yr_box) {
+ if (step > 0)
+ now_time += (ONE_DAY
+ * days_in_year(&current, 0));
+ else
+ now_time -= (ONE_DAY
+ * days_in_year(&current, -1));
+ }
+
+ current = *localtime(&now_time);
+
+ if (obj != &dy_box
+ && (current.tm_mday != old.tm_mday
+ || current.tm_mon != old.tm_mon
+ || current.tm_year != old.tm_year))
+ DrawObject(&dy_box);
+ if (obj != &mn_box && current.tm_mon != old.tm_mon)
+ DrawObject(&mn_box);
+ if (obj != &yr_box && current.tm_year != old.tm_year)
+ DrawObject(&yr_box);
+ (void) DrawObject(obj);
+ }
+ } else if (state >= 0) {
+ if (next_or_previous(key, FALSE) < 0)
+ state = dlg_prev_ok_buttonindex(state, sMONTH);
+ else if (next_or_previous(key, FALSE) > 0)
+ state = dlg_next_ok_buttonindex(state, sMONTH);
+ }
+ break;
+ }
+ }
+ }
+
+ sprintf(buffer, "%02d/%02d/%0d",
+ current.tm_mday, current.tm_mon + 1, current.tm_year + 1900);
+ dlg_add_result(buffer);
+ dlg_add_separator();
+
+ return CleanupResult(result, dialog, prompt, &save_vars);
+}
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