regedit: Use WINAPIV calling convention for variadic functions.
[wine.git] / dlls / comctl32 / monthcal.c
blobb94345c38bb76bc68d11a25c87d26759fdd6eda3
1 /*
2 * Month calendar control
4 * Copyright 1998, 1999 Eric Kohl (ekohl@abo.rhein-zeitung.de)
5 * Copyright 1999 Alex Priem (alexp@sci.kun.nl)
6 * Copyright 1999 Chris Morgan <cmorgan@wpi.edu> and
7 * James Abbatiello <abbeyj@wpi.edu>
8 * Copyright 2000 Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
9 * Copyright 2009-2011 Nikolay Sivov
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * NOTE
27 * This code was audited for completeness against the documented features
28 * of Comctl32.dll version 6.0 on Oct. 20, 2004, by Dimitrie O. Paun.
30 * Unless otherwise noted, we believe this code to be complete, as per
31 * the specification mentioned above.
32 * If you discover missing features, or bugs, please note them below.
34 * TODO:
35 * -- MCM_[GS]ETUNICODEFORMAT
36 * -- handle resources better (doesn't work now);
37 * -- take care of internationalization.
38 * -- keyboard handling.
39 * -- search for FIXME
42 #include <math.h>
43 #include <stdarg.h>
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
48 #include "windef.h"
49 #include "winbase.h"
50 #include "wingdi.h"
51 #include "winuser.h"
52 #include "winnls.h"
53 #include "commctrl.h"
54 #include "comctl32.h"
55 #include "uxtheme.h"
56 #include "vssym32.h"
57 #include "wine/unicode.h"
58 #include "wine/debug.h"
60 WINE_DEFAULT_DEBUG_CHANNEL(monthcal);
62 #define MC_SEL_LBUTUP 1 /* Left button released */
63 #define MC_SEL_LBUTDOWN 2 /* Left button pressed in calendar */
64 #define MC_PREVPRESSED 4 /* Prev month button pressed */
65 #define MC_NEXTPRESSED 8 /* Next month button pressed */
66 #define MC_PREVNEXTMONTHDELAY 350 /* when continuously pressing `next/prev
67 month', wait 350 ms before going
68 to the next/prev month */
69 #define MC_TODAYUPDATEDELAY 120000 /* time between today check for update (2 min) */
71 #define MC_PREVNEXTMONTHTIMER 1 /* Timer IDs */
72 #define MC_TODAYUPDATETIMER 2
74 #define MC_CALENDAR_PADDING 6
76 #define countof(arr) (sizeof(arr)/sizeof(arr[0]))
78 /* convert from days to 100 nanoseconds unit - used as FILETIME unit */
79 #define DAYSTO100NSECS(days) (((ULONGLONG)(days))*24*60*60*10000000)
81 enum CachedPen
83 PenRed = 0,
84 PenText,
85 PenLast
88 enum CachedBrush
90 BrushTitle = 0,
91 BrushMonth,
92 BrushBackground,
93 BrushLast
96 /* single calendar data */
97 typedef struct _CALENDAR_INFO
99 RECT title; /* rect for the header above the calendar */
100 RECT titlemonth; /* the 'month name' text in the header */
101 RECT titleyear; /* the 'year number' text in the header */
102 RECT wdays; /* week days at top */
103 RECT days; /* calendar area */
104 RECT weeknums; /* week numbers at left side */
106 SYSTEMTIME month;/* contains calendar main month/year */
107 } CALENDAR_INFO;
109 typedef struct
111 HWND hwndSelf;
112 DWORD dwStyle; /* cached GWL_STYLE */
114 COLORREF colors[MCSC_TRAILINGTEXT+1];
115 HBRUSH brushes[BrushLast];
116 HPEN pens[PenLast];
118 HFONT hFont;
119 HFONT hBoldFont;
120 int textHeight;
121 int height_increment;
122 int width_increment;
123 INT delta; /* scroll rate; # of months that the */
124 /* control moves when user clicks a scroll button */
125 int firstDay; /* Start month calendar with firstDay's day,
126 stored in SYSTEMTIME format */
127 BOOL firstDaySet; /* first week day differs from locale defined */
129 BOOL isUnicode; /* value set with MCM_SETUNICODE format */
131 MONTHDAYSTATE *monthdayState;
132 SYSTEMTIME todaysDate;
133 BOOL todaySet; /* Today was forced with MCM_SETTODAY */
134 int status; /* See MC_SEL flags */
135 SYSTEMTIME firstSel; /* first selected day */
136 INT maxSelCount;
137 SYSTEMTIME minSel; /* contains single selection when used without MCS_MULTISELECT */
138 SYSTEMTIME maxSel;
139 SYSTEMTIME focusedSel; /* date currently focused with mouse movement */
140 DWORD rangeValid;
141 SYSTEMTIME minDate;
142 SYSTEMTIME maxDate;
144 RECT titlebtnnext; /* the `next month' button in the header */
145 RECT titlebtnprev; /* the `prev month' button in the header */
146 RECT todayrect; /* `today: xx/xx/xx' text rect */
147 HWND hwndNotify; /* Window to receive the notifications */
148 HWND hWndYearEdit; /* Window Handle of edit box to handle years */
149 HWND hWndYearUpDown;/* Window Handle of updown box to handle years */
150 WNDPROC EditWndProc; /* original Edit window procedure */
152 CALENDAR_INFO *calendars;
153 SIZE dim; /* [cx,cy] - dimensions of calendars matrix, row/column count */
154 } MONTHCAL_INFO, *LPMONTHCAL_INFO;
156 static const WCHAR themeClass[] = { 'S','c','r','o','l','l','b','a','r',0 };
158 /* empty SYSTEMTIME const */
159 static const SYSTEMTIME st_null;
160 /* valid date limits */
161 static const SYSTEMTIME max_allowed_date = { /* wYear */ 9999, /* wMonth */ 12, /* wDayOfWeek */ 0, /* wDay */ 31 };
162 static const SYSTEMTIME min_allowed_date = { /* wYear */ 1752, /* wMonth */ 9, /* wDayOfWeek */ 0, /* wDay */ 14 };
164 /* Prev/Next buttons */
165 enum nav_direction
167 DIRECTION_BACKWARD,
168 DIRECTION_FORWARD
171 /* helper functions */
172 static inline INT MONTHCAL_GetCalCount(const MONTHCAL_INFO *infoPtr)
174 return infoPtr->dim.cx * infoPtr->dim.cy;
177 /* send a single MCN_SELCHANGE notification */
178 static inline void MONTHCAL_NotifySelectionChange(const MONTHCAL_INFO *infoPtr)
180 NMSELCHANGE nmsc;
182 nmsc.nmhdr.hwndFrom = infoPtr->hwndSelf;
183 nmsc.nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
184 nmsc.nmhdr.code = MCN_SELCHANGE;
185 nmsc.stSelStart = infoPtr->minSel;
186 nmsc.stSelStart.wDayOfWeek = 0;
187 if(infoPtr->dwStyle & MCS_MULTISELECT){
188 nmsc.stSelEnd = infoPtr->maxSel;
189 nmsc.stSelEnd.wDayOfWeek = 0;
191 else
192 nmsc.stSelEnd = st_null;
194 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmsc.nmhdr.idFrom, (LPARAM)&nmsc);
197 /* send a single MCN_SELECT notification */
198 static inline void MONTHCAL_NotifySelect(const MONTHCAL_INFO *infoPtr)
200 NMSELCHANGE nmsc;
202 nmsc.nmhdr.hwndFrom = infoPtr->hwndSelf;
203 nmsc.nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
204 nmsc.nmhdr.code = MCN_SELECT;
205 nmsc.stSelStart = infoPtr->minSel;
206 nmsc.stSelStart.wDayOfWeek = 0;
207 if(infoPtr->dwStyle & MCS_MULTISELECT){
208 nmsc.stSelEnd = infoPtr->maxSel;
209 nmsc.stSelEnd.wDayOfWeek = 0;
211 else
212 nmsc.stSelEnd = st_null;
214 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmsc.nmhdr.idFrom, (LPARAM)&nmsc);
217 static inline int MONTHCAL_MonthDiff(const SYSTEMTIME *left, const SYSTEMTIME *right)
219 return (right->wYear - left->wYear)*12 + right->wMonth - left->wMonth;
222 /* returns the number of days in any given month, checking for leap days */
223 /* January is 1, December is 12 */
224 int MONTHCAL_MonthLength(int month, int year)
226 const int mdays[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
227 /* Wrap around, this eases handling. Getting length only we shouldn't care
228 about year change here cause January and December have
229 the same day quantity */
230 if(month == 0)
231 month = 12;
232 else if(month == 13)
233 month = 1;
235 /* special case for calendar transition year */
236 if(month == min_allowed_date.wMonth && year == min_allowed_date.wYear) return 19;
238 /* if we have a leap year add 1 day to February */
239 /* a leap year is a year either divisible by 400 */
240 /* or divisible by 4 and not by 100 */
241 if(month == 2) { /* February */
242 return mdays[month - 1] + ((year%400 == 0) ? 1 : ((year%100 != 0) &&
243 (year%4 == 0)) ? 1 : 0);
245 else {
246 return mdays[month - 1];
250 /* compares timestamps using date part only */
251 static inline BOOL MONTHCAL_IsDateEqual(const SYSTEMTIME *first, const SYSTEMTIME *second)
253 return (first->wYear == second->wYear) && (first->wMonth == second->wMonth) &&
254 (first->wDay == second->wDay);
257 /* make sure that date fields are valid */
258 static BOOL MONTHCAL_ValidateDate(const SYSTEMTIME *time)
260 if (time->wMonth < 1 || time->wMonth > 12 )
261 return FALSE;
262 if (time->wDay == 0 || time->wDay > MONTHCAL_MonthLength(time->wMonth, time->wYear))
263 return FALSE;
265 return TRUE;
268 /* Copies timestamp part only.
270 * PARAMETERS
272 * [I] from : source date
273 * [O] to : dest date
275 static void MONTHCAL_CopyTime(const SYSTEMTIME *from, SYSTEMTIME *to)
277 to->wHour = from->wHour;
278 to->wMinute = from->wMinute;
279 to->wSecond = from->wSecond;
282 /* Copies date part only.
284 * PARAMETERS
286 * [I] from : source date
287 * [O] to : dest date
289 static void MONTHCAL_CopyDate(const SYSTEMTIME *from, SYSTEMTIME *to)
291 to->wYear = from->wYear;
292 to->wMonth = from->wMonth;
293 to->wDay = from->wDay;
294 to->wDayOfWeek = from->wDayOfWeek;
297 /* Compares two dates in SYSTEMTIME format
299 * PARAMETERS
301 * [I] first : pointer to valid first date data to compare
302 * [I] second : pointer to valid second date data to compare
304 * RETURN VALUE
306 * -1 : first < second
307 * 0 : first == second
308 * 1 : first > second
310 * Note that no date validation performed, already validated values expected.
312 LONG MONTHCAL_CompareSystemTime(const SYSTEMTIME *first, const SYSTEMTIME *second)
314 FILETIME ft_first, ft_second;
316 SystemTimeToFileTime(first, &ft_first);
317 SystemTimeToFileTime(second, &ft_second);
319 return CompareFileTime(&ft_first, &ft_second);
322 static LONG MONTHCAL_CompareMonths(const SYSTEMTIME *first, const SYSTEMTIME *second)
324 SYSTEMTIME st_first, st_second;
326 st_first = st_second = st_null;
327 MONTHCAL_CopyDate(first, &st_first);
328 MONTHCAL_CopyDate(second, &st_second);
329 st_first.wDay = st_second.wDay = 1;
331 return MONTHCAL_CompareSystemTime(&st_first, &st_second);
334 static LONG MONTHCAL_CompareDate(const SYSTEMTIME *first, const SYSTEMTIME *second)
336 SYSTEMTIME st_first, st_second;
338 st_first = st_second = st_null;
339 MONTHCAL_CopyDate(first, &st_first);
340 MONTHCAL_CopyDate(second, &st_second);
342 return MONTHCAL_CompareSystemTime(&st_first, &st_second);
345 /* Checks largest possible date range and configured one
347 * PARAMETERS
349 * [I] infoPtr : valid pointer to control data
350 * [I] date : pointer to valid date data to check
351 * [I] fix : make date fit valid range
353 * RETURN VALUE
355 * TRUE - date within largest and configured range
356 * FALSE - date is outside largest or configured range
358 static BOOL MONTHCAL_IsDateInValidRange(const MONTHCAL_INFO *infoPtr,
359 SYSTEMTIME *date, BOOL fix)
361 const SYSTEMTIME *fix_st = NULL;
363 if(MONTHCAL_CompareSystemTime(date, &max_allowed_date) == 1) {
364 fix_st = &max_allowed_date;
366 else if(MONTHCAL_CompareSystemTime(date, &min_allowed_date) == -1) {
367 fix_st = &min_allowed_date;
369 else {
370 if(infoPtr->rangeValid & GDTR_MAX) {
371 if((MONTHCAL_CompareSystemTime(date, &infoPtr->maxDate) == 1)) {
372 fix_st = &infoPtr->maxDate;
376 if(infoPtr->rangeValid & GDTR_MIN) {
377 if((MONTHCAL_CompareSystemTime(date, &infoPtr->minDate) == -1)) {
378 fix_st = &infoPtr->minDate;
383 if (fix && fix_st) {
384 date->wYear = fix_st->wYear;
385 date->wMonth = fix_st->wMonth;
388 return !fix_st;
391 /* Checks passed range width with configured maximum selection count
393 * PARAMETERS
395 * [I] infoPtr : valid pointer to control data
396 * [I] range0 : pointer to valid date data (requested bound)
397 * [I] range1 : pointer to valid date data (primary bound)
398 * [O] adjust : returns adjusted range bound to fit maximum range (optional)
400 * Adjust value computed basing on primary bound and current maximum selection
401 * count. For simple range check (without adjusted value required) (range0, range1)
402 * relation means nothing.
404 * RETURN VALUE
406 * TRUE - range is shorter or equal to maximum
407 * FALSE - range is larger than maximum
409 static BOOL MONTHCAL_IsSelRangeValid(const MONTHCAL_INFO *infoPtr,
410 const SYSTEMTIME *range0,
411 const SYSTEMTIME *range1,
412 SYSTEMTIME *adjust)
414 ULARGE_INTEGER ul_range0, ul_range1, ul_diff;
415 FILETIME ft_range0, ft_range1;
416 LONG cmp;
418 SystemTimeToFileTime(range0, &ft_range0);
419 SystemTimeToFileTime(range1, &ft_range1);
421 ul_range0.u.LowPart = ft_range0.dwLowDateTime;
422 ul_range0.u.HighPart = ft_range0.dwHighDateTime;
423 ul_range1.u.LowPart = ft_range1.dwLowDateTime;
424 ul_range1.u.HighPart = ft_range1.dwHighDateTime;
426 cmp = CompareFileTime(&ft_range0, &ft_range1);
428 if(cmp == 1)
429 ul_diff.QuadPart = ul_range0.QuadPart - ul_range1.QuadPart;
430 else
431 ul_diff.QuadPart = -ul_range0.QuadPart + ul_range1.QuadPart;
433 if(ul_diff.QuadPart >= DAYSTO100NSECS(infoPtr->maxSelCount)) {
435 if(adjust) {
436 if(cmp == 1)
437 ul_range0.QuadPart = ul_range1.QuadPart + DAYSTO100NSECS(infoPtr->maxSelCount - 1);
438 else
439 ul_range0.QuadPart = ul_range1.QuadPart - DAYSTO100NSECS(infoPtr->maxSelCount - 1);
441 ft_range0.dwLowDateTime = ul_range0.u.LowPart;
442 ft_range0.dwHighDateTime = ul_range0.u.HighPart;
443 FileTimeToSystemTime(&ft_range0, adjust);
446 return FALSE;
448 else return TRUE;
451 /* Used in MCM_SETRANGE/MCM_SETSELRANGE to determine resulting time part.
452 Milliseconds are intentionally not validated. */
453 static BOOL MONTHCAL_ValidateTime(const SYSTEMTIME *time)
455 if((time->wHour > 24) || (time->wMinute > 59) || (time->wSecond > 59))
456 return FALSE;
457 else
458 return TRUE;
461 /* Note:Depending on DST, this may be offset by a day.
462 Need to find out if we're on a DST place & adjust the clock accordingly.
463 Above function assumes we have a valid data.
464 Valid for year>1752; 1 <= d <= 31, 1 <= m <= 12.
465 0 = Sunday.
468 /* Returns the day in the week
470 * PARAMETERS
471 * [i] date : input date
472 * [I] inplace : set calculated value back to date structure
474 * RETURN VALUE
475 * day of week in SYSTEMTIME format: (0 == sunday,..., 6 == saturday)
477 int MONTHCAL_CalculateDayOfWeek(SYSTEMTIME *date, BOOL inplace)
479 SYSTEMTIME st = st_null;
480 FILETIME ft;
482 MONTHCAL_CopyDate(date, &st);
484 SystemTimeToFileTime(&st, &ft);
485 FileTimeToSystemTime(&ft, &st);
487 if (inplace) date->wDayOfWeek = st.wDayOfWeek;
489 return st.wDayOfWeek;
492 /* add/subtract 'months' from date */
493 static inline void MONTHCAL_GetMonth(SYSTEMTIME *date, INT months)
495 INT length, m = date->wMonth + months;
497 date->wYear += m > 0 ? (m - 1) / 12 : m / 12 - 1;
498 date->wMonth = m > 0 ? (m - 1) % 12 + 1 : 12 + m % 12;
499 /* fix moving from last day in a month */
500 length = MONTHCAL_MonthLength(date->wMonth, date->wYear);
501 if(date->wDay > length) date->wDay = length;
502 MONTHCAL_CalculateDayOfWeek(date, TRUE);
505 /* properly updates date to point on next month */
506 static inline void MONTHCAL_GetNextMonth(SYSTEMTIME *date)
508 MONTHCAL_GetMonth(date, 1);
511 /* properly updates date to point on prev month */
512 static inline void MONTHCAL_GetPrevMonth(SYSTEMTIME *date)
514 MONTHCAL_GetMonth(date, -1);
517 /* Returns full date for a first currently visible day */
518 static void MONTHCAL_GetMinDate(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *date)
520 /* zero indexed calendar has the earliest date */
521 SYSTEMTIME st_first = infoPtr->calendars[0].month;
522 INT firstDay;
524 st_first.wDay = 1;
525 firstDay = MONTHCAL_CalculateDayOfWeek(&st_first, FALSE);
527 *date = infoPtr->calendars[0].month;
528 MONTHCAL_GetPrevMonth(date);
530 date->wDay = MONTHCAL_MonthLength(date->wMonth, date->wYear) +
531 (infoPtr->firstDay - firstDay) % 7 + 1;
533 if(date->wDay > MONTHCAL_MonthLength(date->wMonth, date->wYear))
534 date->wDay -= 7;
536 /* fix day of week */
537 MONTHCAL_CalculateDayOfWeek(date, TRUE);
540 /* Returns full date for a last currently visible day */
541 static void MONTHCAL_GetMaxDate(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *date)
543 /* the latest date is in latest calendar */
544 SYSTEMTIME st, *lt_month = &infoPtr->calendars[MONTHCAL_GetCalCount(infoPtr)-1].month;
545 INT first_day;
547 *date = *lt_month;
548 st = *lt_month;
550 /* day of week of first day of current month */
551 st.wDay = 1;
552 first_day = MONTHCAL_CalculateDayOfWeek(&st, FALSE);
554 MONTHCAL_GetNextMonth(date);
555 MONTHCAL_GetPrevMonth(&st);
557 /* last calendar starts with some date from previous month that not displayed */
558 st.wDay = MONTHCAL_MonthLength(st.wMonth, st.wYear) +
559 (infoPtr->firstDay - first_day) % 7 + 1;
560 if (st.wDay > MONTHCAL_MonthLength(st.wMonth, st.wYear)) st.wDay -= 7;
562 /* Use month length to get max day. 42 means max day count in calendar area */
563 date->wDay = 42 - (MONTHCAL_MonthLength(st.wMonth, st.wYear) - st.wDay + 1) -
564 MONTHCAL_MonthLength(lt_month->wMonth, lt_month->wYear);
566 /* fix day of week */
567 MONTHCAL_CalculateDayOfWeek(date, TRUE);
570 /* From a given point calculate the row, column and day in the calendar,
571 'day == 0' means the last day of the last month. */
572 static int MONTHCAL_GetDayFromPos(const MONTHCAL_INFO *infoPtr, POINT pt, INT calIdx)
574 SYSTEMTIME st = infoPtr->calendars[calIdx].month;
575 int firstDay, col, row;
576 RECT client;
578 GetClientRect(infoPtr->hwndSelf, &client);
580 /* if the point is outside the x bounds of the window put it at the boundary */
581 if (pt.x > client.right) pt.x = client.right;
583 col = (pt.x - infoPtr->calendars[calIdx].days.left ) / infoPtr->width_increment;
584 row = (pt.y - infoPtr->calendars[calIdx].days.top ) / infoPtr->height_increment;
586 st.wDay = 1;
587 firstDay = (MONTHCAL_CalculateDayOfWeek(&st, FALSE) + 6 - infoPtr->firstDay) % 7;
588 return col + 7 * row - firstDay;
591 /* Get day position for given date and calendar
593 * PARAMETERS
595 * [I] infoPtr : pointer to control data
596 * [I] date : date value
597 * [O] col : day column (zero based)
598 * [O] row : week column (zero based)
599 * [I] calIdx : calendar index
601 static void MONTHCAL_GetDayPos(const MONTHCAL_INFO *infoPtr, const SYSTEMTIME *date,
602 INT *col, INT *row, INT calIdx)
604 SYSTEMTIME st = infoPtr->calendars[calIdx].month;
605 INT first;
607 st.wDay = 1;
608 first = (MONTHCAL_CalculateDayOfWeek(&st, FALSE) + 6 - infoPtr->firstDay) % 7;
610 if (calIdx == 0 || calIdx == MONTHCAL_GetCalCount(infoPtr)-1) {
611 const SYSTEMTIME *cal = &infoPtr->calendars[calIdx].month;
612 LONG cmp = MONTHCAL_CompareMonths(date, &st);
614 /* previous month */
615 if (cmp == -1) {
616 *col = (first - MONTHCAL_MonthLength(date->wMonth, cal->wYear) + date->wDay) % 7;
617 *row = 0;
618 return;
621 /* next month calculation is same as for current, just add current month length */
622 if (cmp == 1)
623 first += MONTHCAL_MonthLength(cal->wMonth, cal->wYear);
626 *col = (date->wDay + first) % 7;
627 *row = (date->wDay + first - *col) / 7;
630 /* returns bounding box for day in given position in given calendar */
631 static inline void MONTHCAL_GetDayRectI(const MONTHCAL_INFO *infoPtr, RECT *r,
632 INT col, INT row, INT calIdx)
634 r->left = infoPtr->calendars[calIdx].days.left + col * infoPtr->width_increment;
635 r->right = r->left + infoPtr->width_increment;
636 r->top = infoPtr->calendars[calIdx].days.top + row * infoPtr->height_increment;
637 r->bottom = r->top + infoPtr->textHeight;
640 /* Returns bounding box for given date
642 * NOTE: when calendar index is unknown pass -1
644 static BOOL MONTHCAL_GetDayRect(const MONTHCAL_INFO *infoPtr, const SYSTEMTIME *date, RECT *r, INT calIdx)
646 INT col, row;
648 if (!MONTHCAL_ValidateDate(date))
650 SetRectEmpty(r);
651 return FALSE;
654 if (calIdx == -1)
656 INT cmp = MONTHCAL_CompareMonths(date, &infoPtr->calendars[0].month);
658 if (cmp <= 0)
659 calIdx = 0;
660 else
662 cmp = MONTHCAL_CompareMonths(date, &infoPtr->calendars[MONTHCAL_GetCalCount(infoPtr)-1].month);
663 if (cmp >= 0)
664 calIdx = MONTHCAL_GetCalCount(infoPtr)-1;
665 else
667 for (calIdx = 1; calIdx < MONTHCAL_GetCalCount(infoPtr)-1; calIdx++)
668 if (MONTHCAL_CompareMonths(date, &infoPtr->calendars[calIdx].month) == 0)
669 break;
674 MONTHCAL_GetDayPos(infoPtr, date, &col, &row, calIdx);
675 MONTHCAL_GetDayRectI(infoPtr, r, col, row, calIdx);
677 return TRUE;
680 static LRESULT
681 MONTHCAL_GetMonthRange(const MONTHCAL_INFO *infoPtr, DWORD flag, SYSTEMTIME *st)
683 INT range;
685 TRACE("flag=%d, st=%p\n", flag, st);
687 switch (flag) {
688 case GMR_VISIBLE:
690 if (st)
692 st[0] = infoPtr->calendars[0].month;
693 st[1] = infoPtr->calendars[MONTHCAL_GetCalCount(infoPtr)-1].month;
695 if (st[0].wMonth == min_allowed_date.wMonth &&
696 st[0].wYear == min_allowed_date.wYear)
698 st[0].wDay = min_allowed_date.wDay;
700 else
701 st[0].wDay = 1;
702 MONTHCAL_CalculateDayOfWeek(&st[0], TRUE);
704 st[1].wDay = MONTHCAL_MonthLength(st[1].wMonth, st[1].wYear);
705 MONTHCAL_CalculateDayOfWeek(&st[1], TRUE);
708 range = MONTHCAL_GetCalCount(infoPtr);
709 break;
711 case GMR_DAYSTATE:
713 if (st)
715 MONTHCAL_GetMinDate(infoPtr, &st[0]);
716 MONTHCAL_GetMaxDate(infoPtr, &st[1]);
718 /* include two partially visible months */
719 range = MONTHCAL_GetCalCount(infoPtr) + 2;
720 break;
722 default:
723 WARN("Unknown flag value, got %d\n", flag);
724 range = 0;
727 return range;
730 /* Focused day helper:
732 - set focused date to given value;
733 - reset to zero value if NULL passed;
734 - invalidate previous and new day rectangle only if needed.
736 Returns TRUE if focused day changed, FALSE otherwise.
738 static BOOL MONTHCAL_SetDayFocus(MONTHCAL_INFO *infoPtr, const SYSTEMTIME *st)
740 RECT r;
742 if(st)
744 /* there's nothing to do if it's the same date,
745 mouse move within same date rectangle case */
746 if(MONTHCAL_IsDateEqual(&infoPtr->focusedSel, st)) return FALSE;
748 /* invalidate old focused day */
749 if (MONTHCAL_GetDayRect(infoPtr, &infoPtr->focusedSel, &r, -1))
750 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
752 infoPtr->focusedSel = *st;
755 /* On set invalidates new day, on reset clears previous focused day. */
756 if (MONTHCAL_GetDayRect(infoPtr, &infoPtr->focusedSel, &r, -1))
757 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
759 if(!st && MONTHCAL_ValidateDate(&infoPtr->focusedSel))
760 infoPtr->focusedSel = st_null;
762 return TRUE;
765 /* draw today boundary box for specified rectangle */
766 static void MONTHCAL_Circle(const MONTHCAL_INFO *infoPtr, HDC hdc, const RECT *r)
768 HPEN old_pen = SelectObject(hdc, infoPtr->pens[PenRed]);
769 HBRUSH old_brush;
771 old_brush = SelectObject(hdc, GetStockObject(NULL_BRUSH));
772 Rectangle(hdc, r->left, r->top, r->right, r->bottom);
774 SelectObject(hdc, old_brush);
775 SelectObject(hdc, old_pen);
778 /* Draw today day mark rectangle
780 * [I] hdc : context to draw in
781 * [I] date : day to mark with rectangle
784 static void MONTHCAL_CircleDay(const MONTHCAL_INFO *infoPtr, HDC hdc,
785 const SYSTEMTIME *date)
787 RECT r;
789 MONTHCAL_GetDayRect(infoPtr, date, &r, -1);
790 MONTHCAL_Circle(infoPtr, hdc, &r);
793 static void MONTHCAL_DrawDay(const MONTHCAL_INFO *infoPtr, HDC hdc, const SYSTEMTIME *st,
794 int bold, const PAINTSTRUCT *ps)
796 static const WCHAR fmtW[] = { '%','d',0 };
797 WCHAR buf[10];
798 RECT r, r_temp;
799 COLORREF oldCol = 0;
800 COLORREF oldBk = 0;
801 INT old_bkmode, selection;
803 /* no need to check styles: when selection is not valid, it is set to zero.
804 1 < day < 31, so everything is OK */
805 MONTHCAL_GetDayRect(infoPtr, st, &r, -1);
806 if(!IntersectRect(&r_temp, &(ps->rcPaint), &r)) return;
808 if ((MONTHCAL_CompareDate(st, &infoPtr->minSel) >= 0) &&
809 (MONTHCAL_CompareDate(st, &infoPtr->maxSel) <= 0))
811 TRACE("%d %d %d\n", st->wDay, infoPtr->minSel.wDay, infoPtr->maxSel.wDay);
812 TRACE("%s\n", wine_dbgstr_rect(&r));
813 oldCol = SetTextColor(hdc, infoPtr->colors[MCSC_MONTHBK]);
814 oldBk = SetBkColor(hdc, infoPtr->colors[MCSC_TRAILINGTEXT]);
815 FillRect(hdc, &r, infoPtr->brushes[BrushTitle]);
817 selection = 1;
819 else
820 selection = 0;
822 SelectObject(hdc, bold ? infoPtr->hBoldFont : infoPtr->hFont);
824 old_bkmode = SetBkMode(hdc, TRANSPARENT);
825 wsprintfW(buf, fmtW, st->wDay);
826 DrawTextW(hdc, buf, -1, &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE );
827 SetBkMode(hdc, old_bkmode);
829 if (selection)
831 SetTextColor(hdc, oldCol);
832 SetBkColor(hdc, oldBk);
836 static void MONTHCAL_PaintButton(MONTHCAL_INFO *infoPtr, HDC hdc, enum nav_direction button)
838 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
839 RECT *r = button == DIRECTION_FORWARD ? &infoPtr->titlebtnnext : &infoPtr->titlebtnprev;
840 BOOL pressed = button == DIRECTION_FORWARD ? infoPtr->status & MC_NEXTPRESSED :
841 infoPtr->status & MC_PREVPRESSED;
842 if (theme)
844 static const int states[] = {
845 /* Prev button */
846 ABS_LEFTNORMAL, ABS_LEFTPRESSED, ABS_LEFTDISABLED,
847 /* Next button */
848 ABS_RIGHTNORMAL, ABS_RIGHTPRESSED, ABS_RIGHTDISABLED
850 int stateNum = button == DIRECTION_FORWARD ? 3 : 0;
851 if (pressed)
852 stateNum += 1;
853 else
855 if (infoPtr->dwStyle & WS_DISABLED) stateNum += 2;
857 DrawThemeBackground (theme, hdc, SBP_ARROWBTN, states[stateNum], r, NULL);
859 else
861 int style = button == DIRECTION_FORWARD ? DFCS_SCROLLRIGHT : DFCS_SCROLLLEFT;
862 if (pressed)
863 style |= DFCS_PUSHED;
864 else
866 if (infoPtr->dwStyle & WS_DISABLED) style |= DFCS_INACTIVE;
869 DrawFrameControl(hdc, r, DFC_SCROLL, style);
873 /* paint a title with buttons and month/year string */
874 static void MONTHCAL_PaintTitle(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps, INT calIdx)
876 static const WCHAR mmmmW[] = {'M','M','M','M',0};
877 static const WCHAR mmmW[] = {'M','M','M',0};
878 static const WCHAR mmW[] = {'M','M',0};
879 static const WCHAR fmtyearW[] = {'%','l','d',0};
880 static const WCHAR fmtmmW[] = {'%','0','2','d',0};
881 static const WCHAR fmtmW[] = {'%','d',0};
882 RECT *title = &infoPtr->calendars[calIdx].title;
883 const SYSTEMTIME *st = &infoPtr->calendars[calIdx].month;
884 WCHAR monthW[80], strW[80], fmtW[80], yearW[6] /* valid year range is 1601-30827 */;
885 int yearoffset, monthoffset, shiftX;
886 SIZE sz;
888 /* fill header box */
889 FillRect(hdc, title, infoPtr->brushes[BrushTitle]);
891 /* month/year string */
892 SetBkColor(hdc, infoPtr->colors[MCSC_TITLEBK]);
893 SetTextColor(hdc, infoPtr->colors[MCSC_TITLETEXT]);
894 SelectObject(hdc, infoPtr->hBoldFont);
896 /* draw formatted date string */
897 GetDateFormatW(LOCALE_USER_DEFAULT, DATE_YEARMONTH, st, NULL, strW, countof(strW));
898 DrawTextW(hdc, strW, strlenW(strW), title, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
900 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SYEARMONTH, fmtW, countof(fmtW));
901 wsprintfW(yearW, fmtyearW, st->wYear);
903 /* month is trickier as it's possible to have different format pictures, we'll
904 test for M, MM, MMM, and MMMM */
905 if (strstrW(fmtW, mmmmW))
906 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SMONTHNAME1+st->wMonth-1, monthW, countof(monthW));
907 else if (strstrW(fmtW, mmmW))
908 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SABBREVMONTHNAME1+st->wMonth-1, monthW, countof(monthW));
909 else if (strstrW(fmtW, mmW))
910 wsprintfW(monthW, fmtmmW, st->wMonth);
911 else
912 wsprintfW(monthW, fmtmW, st->wMonth);
914 /* update hit boxes */
915 yearoffset = 0;
916 while (strW[yearoffset])
918 if (!strncmpW(&strW[yearoffset], yearW, strlenW(yearW)))
919 break;
920 yearoffset++;
923 monthoffset = 0;
924 while (strW[monthoffset])
926 if (!strncmpW(&strW[monthoffset], monthW, strlenW(monthW)))
927 break;
928 monthoffset++;
931 /* for left limits use offsets */
932 sz.cx = 0;
933 if (yearoffset)
934 GetTextExtentPoint32W(hdc, strW, yearoffset, &sz);
935 infoPtr->calendars[calIdx].titleyear.left = sz.cx;
937 sz.cx = 0;
938 if (monthoffset)
939 GetTextExtentPoint32W(hdc, strW, monthoffset, &sz);
940 infoPtr->calendars[calIdx].titlemonth.left = sz.cx;
942 /* for right limits use actual string parts lengths */
943 GetTextExtentPoint32W(hdc, &strW[yearoffset], strlenW(yearW), &sz);
944 infoPtr->calendars[calIdx].titleyear.right = infoPtr->calendars[calIdx].titleyear.left + sz.cx;
946 GetTextExtentPoint32W(hdc, monthW, strlenW(monthW), &sz);
947 infoPtr->calendars[calIdx].titlemonth.right = infoPtr->calendars[calIdx].titlemonth.left + sz.cx;
949 /* Finally translate rectangles to match center aligned string,
950 hit rectangles are relative to title rectangle before translation. */
951 GetTextExtentPoint32W(hdc, strW, strlenW(strW), &sz);
952 shiftX = (title->right - title->left - sz.cx) / 2 + title->left;
953 OffsetRect(&infoPtr->calendars[calIdx].titleyear, shiftX, 0);
954 OffsetRect(&infoPtr->calendars[calIdx].titlemonth, shiftX, 0);
957 static void MONTHCAL_PaintWeeknumbers(const MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps, INT calIdx)
959 const SYSTEMTIME *date = &infoPtr->calendars[calIdx].month;
960 static const WCHAR fmt_weekW[] = { '%','d',0 };
961 INT mindays, weeknum, weeknum1, startofprescal;
962 INT i, prev_month;
963 SYSTEMTIME st;
964 WCHAR buf[80];
965 HPEN old_pen;
966 RECT r;
968 if (!(infoPtr->dwStyle & MCS_WEEKNUMBERS)) return;
970 MONTHCAL_GetMinDate(infoPtr, &st);
971 startofprescal = st.wDay;
972 st = *date;
974 prev_month = date->wMonth - 1;
975 if(prev_month == 0) prev_month = 12;
978 Rules what week to call the first week of a new year:
979 LOCALE_IFIRSTWEEKOFYEAR == 0 (e.g US?):
980 The week containing Jan 1 is the first week of year
981 LOCALE_IFIRSTWEEKOFYEAR == 2 (e.g. Germany):
982 First week of year must contain 4 days of the new year
983 LOCALE_IFIRSTWEEKOFYEAR == 1 (what countries?)
984 The first week of the year must contain only days of the new year
986 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IFIRSTWEEKOFYEAR, buf, countof(buf));
987 weeknum = atoiW(buf);
988 switch (weeknum)
990 case 1: mindays = 6;
991 break;
992 case 2: mindays = 3;
993 break;
994 case 0: mindays = 0;
995 break;
996 default:
997 WARN("Unknown LOCALE_IFIRSTWEEKOFYEAR value %d, defaulting to 0\n", weeknum);
998 mindays = 0;
1001 if (date->wMonth == 1)
1003 /* calculate all those exceptions for January */
1004 st.wDay = st.wMonth = 1;
1005 weeknum1 = MONTHCAL_CalculateDayOfWeek(&st, FALSE);
1006 if ((infoPtr->firstDay - weeknum1) % 7 > mindays)
1007 weeknum = 1;
1008 else
1010 weeknum = 0;
1011 for(i = 0; i < 11; i++)
1012 weeknum += MONTHCAL_MonthLength(i+1, date->wYear - 1);
1014 weeknum += startofprescal + 7;
1015 weeknum /= 7;
1016 st.wYear -= 1;
1017 weeknum1 = MONTHCAL_CalculateDayOfWeek(&st, FALSE);
1018 if ((infoPtr->firstDay - weeknum1) % 7 > mindays) weeknum++;
1021 else
1023 weeknum = 0;
1024 for(i = 0; i < prev_month - 1; i++)
1025 weeknum += MONTHCAL_MonthLength(i+1, date->wYear);
1027 weeknum += startofprescal + 7;
1028 weeknum /= 7;
1029 st.wDay = st.wMonth = 1;
1030 weeknum1 = MONTHCAL_CalculateDayOfWeek(&st, FALSE);
1031 if ((infoPtr->firstDay - weeknum1) % 7 > mindays) weeknum++;
1034 r = infoPtr->calendars[calIdx].weeknums;
1036 /* erase whole week numbers area */
1037 FillRect(hdc, &r, infoPtr->brushes[BrushMonth]);
1038 SetTextColor(hdc, infoPtr->colors[MCSC_TITLEBK]);
1040 /* reduce rectangle to one week number */
1041 r.bottom = r.top + infoPtr->height_increment;
1043 for(i = 0; i < 6; i++) {
1044 if((i == 0) && (weeknum > 50))
1046 wsprintfW(buf, fmt_weekW, weeknum);
1047 weeknum = 0;
1049 else if((i == 5) && (weeknum > 47))
1051 wsprintfW(buf, fmt_weekW, 1);
1053 else
1054 wsprintfW(buf, fmt_weekW, weeknum + i);
1056 DrawTextW(hdc, buf, -1, &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
1057 OffsetRect(&r, 0, infoPtr->height_increment);
1060 /* line separator for week numbers column */
1061 old_pen = SelectObject(hdc, infoPtr->pens[PenText]);
1062 MoveToEx(hdc, infoPtr->calendars[calIdx].weeknums.right, infoPtr->calendars[calIdx].weeknums.top + 3 , NULL);
1063 LineTo(hdc, infoPtr->calendars[calIdx].weeknums.right, infoPtr->calendars[calIdx].weeknums.bottom);
1064 SelectObject(hdc, old_pen);
1067 /* bottom today date */
1068 static void MONTHCAL_PaintTodayTitle(const MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
1070 static const WCHAR fmt_todayW[] = { '%','s',' ','%','s',0 };
1071 WCHAR buf_todayW[30], buf_dateW[20], buf[80];
1072 RECT text_rect, box_rect;
1073 HFONT old_font;
1074 INT col;
1076 if(infoPtr->dwStyle & MCS_NOTODAY) return;
1078 LoadStringW(COMCTL32_hModule, IDM_TODAY, buf_todayW, countof(buf_todayW));
1079 col = infoPtr->dwStyle & MCS_NOTODAYCIRCLE ? 0 : 1;
1080 if (infoPtr->dwStyle & MCS_WEEKNUMBERS) col--;
1081 /* label is located below first calendar last row */
1082 MONTHCAL_GetDayRectI(infoPtr, &text_rect, col, 6, infoPtr->dim.cx * infoPtr->dim.cy - infoPtr->dim.cx);
1083 box_rect = text_rect;
1085 GetDateFormatW(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &infoPtr->todaysDate, NULL,
1086 buf_dateW, countof(buf_dateW));
1087 old_font = SelectObject(hdc, infoPtr->hBoldFont);
1088 SetTextColor(hdc, infoPtr->colors[MCSC_TEXT]);
1090 wsprintfW(buf, fmt_todayW, buf_todayW, buf_dateW);
1091 DrawTextW(hdc, buf, -1, &text_rect, DT_CALCRECT | DT_LEFT | DT_VCENTER | DT_SINGLELINE);
1092 DrawTextW(hdc, buf, -1, &text_rect, DT_LEFT | DT_VCENTER | DT_SINGLELINE);
1094 if(!(infoPtr->dwStyle & MCS_NOTODAYCIRCLE)) {
1095 OffsetRect(&box_rect, -infoPtr->width_increment, 0);
1096 MONTHCAL_Circle(infoPtr, hdc, &box_rect);
1099 SelectObject(hdc, old_font);
1102 /* today mark + focus */
1103 static void MONTHCAL_PaintFocusAndCircle(const MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
1105 /* circle today date if only it's in fully visible month */
1106 if (!(infoPtr->dwStyle & MCS_NOTODAYCIRCLE))
1108 INT i;
1110 for (i = 0; i < MONTHCAL_GetCalCount(infoPtr); i++)
1111 if (!MONTHCAL_CompareMonths(&infoPtr->todaysDate, &infoPtr->calendars[i].month))
1113 MONTHCAL_CircleDay(infoPtr, hdc, &infoPtr->todaysDate);
1114 break;
1118 if (!MONTHCAL_IsDateEqual(&infoPtr->focusedSel, &st_null))
1120 RECT r;
1121 MONTHCAL_GetDayRect(infoPtr, &infoPtr->focusedSel, &r, -1);
1122 DrawFocusRect(hdc, &r);
1126 /* months before first calendar month and after last calendar month */
1127 static void MONTHCAL_PaintLeadTrailMonths(const MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
1129 INT mask, index;
1130 UINT length;
1131 SYSTEMTIME st_max, st;
1133 if (infoPtr->dwStyle & MCS_NOTRAILINGDATES) return;
1135 SetTextColor(hdc, infoPtr->colors[MCSC_TRAILINGTEXT]);
1137 /* draw prev month */
1138 MONTHCAL_GetMinDate(infoPtr, &st);
1139 mask = 1 << (st.wDay-1);
1140 /* December and January both 31 days long, so no worries if wrapped */
1141 length = MONTHCAL_MonthLength(infoPtr->calendars[0].month.wMonth - 1,
1142 infoPtr->calendars[0].month.wYear);
1143 index = 0;
1144 while(st.wDay <= length)
1146 MONTHCAL_DrawDay(infoPtr, hdc, &st, infoPtr->monthdayState[index] & mask, ps);
1147 mask <<= 1;
1148 st.wDay++;
1151 /* draw next month */
1152 st = infoPtr->calendars[MONTHCAL_GetCalCount(infoPtr)-1].month;
1153 st.wDay = 1;
1154 MONTHCAL_GetNextMonth(&st);
1155 MONTHCAL_GetMaxDate(infoPtr, &st_max);
1156 mask = 1;
1157 index = MONTHCAL_GetMonthRange(infoPtr, GMR_DAYSTATE, 0)-1;
1158 while(st.wDay <= st_max.wDay)
1160 MONTHCAL_DrawDay(infoPtr, hdc, &st, infoPtr->monthdayState[index] & mask, ps);
1161 mask <<= 1;
1162 st.wDay++;
1166 static int get_localized_dayname(const MONTHCAL_INFO *infoPtr, unsigned int day, WCHAR *buff, unsigned int count)
1168 LCTYPE lctype;
1170 if (infoPtr->dwStyle & MCS_SHORTDAYSOFWEEK)
1171 lctype = LOCALE_SSHORTESTDAYNAME1 + day;
1172 else
1173 lctype = LOCALE_SABBREVDAYNAME1 + day;
1175 return GetLocaleInfoW(LOCALE_USER_DEFAULT, lctype, buff, count);
1178 /* paint a calendar area */
1179 static void MONTHCAL_PaintCalendar(const MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps, INT calIdx)
1181 const SYSTEMTIME *date = &infoPtr->calendars[calIdx].month;
1182 INT i, j;
1183 UINT length;
1184 RECT r, fill_bk_rect;
1185 SYSTEMTIME st;
1186 WCHAR buf[80];
1187 HPEN old_pen;
1188 int mask;
1190 /* fill whole days area - from week days area to today note rectangle */
1191 fill_bk_rect = infoPtr->calendars[calIdx].wdays;
1192 fill_bk_rect.bottom = infoPtr->calendars[calIdx].days.bottom +
1193 (infoPtr->todayrect.bottom - infoPtr->todayrect.top);
1195 FillRect(hdc, &fill_bk_rect, infoPtr->brushes[BrushMonth]);
1197 /* draw line under day abbreviations */
1198 old_pen = SelectObject(hdc, infoPtr->pens[PenText]);
1199 MoveToEx(hdc, infoPtr->calendars[calIdx].days.left + 3,
1200 infoPtr->calendars[calIdx].title.bottom + infoPtr->textHeight + 1, NULL);
1201 LineTo(hdc, infoPtr->calendars[calIdx].days.right - 3,
1202 infoPtr->calendars[calIdx].title.bottom + infoPtr->textHeight + 1);
1203 SelectObject(hdc, old_pen);
1205 infoPtr->calendars[calIdx].wdays.left = infoPtr->calendars[calIdx].days.left =
1206 infoPtr->calendars[calIdx].weeknums.right;
1208 /* draw day abbreviations */
1209 SelectObject(hdc, infoPtr->hFont);
1210 SetBkColor(hdc, infoPtr->colors[MCSC_MONTHBK]);
1211 SetTextColor(hdc, infoPtr->colors[MCSC_TITLEBK]);
1212 /* rectangle to draw a single day abbreviation within */
1213 r = infoPtr->calendars[calIdx].wdays;
1214 r.right = r.left + infoPtr->width_increment;
1216 i = infoPtr->firstDay;
1217 for(j = 0; j < 7; j++) {
1218 get_localized_dayname(infoPtr, (i + j + 6) % 7, buf, countof(buf));
1219 DrawTextW(hdc, buf, strlenW(buf), &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
1220 OffsetRect(&r, infoPtr->width_increment, 0);
1223 /* draw current month */
1224 SetTextColor(hdc, infoPtr->colors[MCSC_TEXT]);
1225 st = *date;
1226 st.wDay = 1;
1227 mask = 1;
1228 length = MONTHCAL_MonthLength(date->wMonth, date->wYear);
1229 while(st.wDay <= length)
1231 MONTHCAL_DrawDay(infoPtr, hdc, &st, infoPtr->monthdayState[calIdx+1] & mask, ps);
1232 mask <<= 1;
1233 st.wDay++;
1237 static void MONTHCAL_Refresh(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
1239 COLORREF old_text_clr, old_bk_clr;
1240 HFONT old_font;
1241 INT i;
1243 old_text_clr = SetTextColor(hdc, comctl32_color.clrWindowText);
1244 old_bk_clr = GetBkColor(hdc);
1245 old_font = GetCurrentObject(hdc, OBJ_FONT);
1247 for (i = 0; i < MONTHCAL_GetCalCount(infoPtr); i++)
1249 RECT *title = &infoPtr->calendars[i].title;
1250 RECT r;
1252 /* draw title, redraw all its elements */
1253 if (IntersectRect(&r, &(ps->rcPaint), title))
1254 MONTHCAL_PaintTitle(infoPtr, hdc, ps, i);
1256 /* draw calendar area */
1257 UnionRect(&r, &infoPtr->calendars[i].wdays, &infoPtr->todayrect);
1258 if (IntersectRect(&r, &(ps->rcPaint), &r))
1259 MONTHCAL_PaintCalendar(infoPtr, hdc, ps, i);
1261 /* week numbers */
1262 MONTHCAL_PaintWeeknumbers(infoPtr, hdc, ps, i);
1265 /* partially visible months */
1266 MONTHCAL_PaintLeadTrailMonths(infoPtr, hdc, ps);
1268 /* focus and today rectangle */
1269 MONTHCAL_PaintFocusAndCircle(infoPtr, hdc, ps);
1271 /* today at the bottom left */
1272 MONTHCAL_PaintTodayTitle(infoPtr, hdc, ps);
1274 /* navigation buttons */
1275 MONTHCAL_PaintButton(infoPtr, hdc, DIRECTION_BACKWARD);
1276 MONTHCAL_PaintButton(infoPtr, hdc, DIRECTION_FORWARD);
1278 /* restore context */
1279 SetBkColor(hdc, old_bk_clr);
1280 SelectObject(hdc, old_font);
1281 SetTextColor(hdc, old_text_clr);
1284 static LRESULT
1285 MONTHCAL_GetMinReqRect(const MONTHCAL_INFO *infoPtr, RECT *rect)
1287 TRACE("rect %p\n", rect);
1289 if(!rect) return FALSE;
1291 *rect = infoPtr->calendars[0].title;
1292 rect->bottom = infoPtr->calendars[0].days.bottom + infoPtr->todayrect.bottom -
1293 infoPtr->todayrect.top;
1295 AdjustWindowRect(rect, infoPtr->dwStyle, FALSE);
1297 /* minimal rectangle is zero based */
1298 OffsetRect(rect, -rect->left, -rect->top);
1300 TRACE("%s\n", wine_dbgstr_rect(rect));
1302 return TRUE;
1305 static COLORREF
1306 MONTHCAL_GetColor(const MONTHCAL_INFO *infoPtr, UINT index)
1308 TRACE("%p, %d\n", infoPtr, index);
1310 if (index > MCSC_TRAILINGTEXT) return -1;
1311 return infoPtr->colors[index];
1314 static LRESULT
1315 MONTHCAL_SetColor(MONTHCAL_INFO *infoPtr, UINT index, COLORREF color)
1317 enum CachedBrush type;
1318 COLORREF prev;
1320 TRACE("%p, %d: color %08x\n", infoPtr, index, color);
1322 if (index > MCSC_TRAILINGTEXT) return -1;
1324 prev = infoPtr->colors[index];
1325 infoPtr->colors[index] = color;
1327 /* update cached brush */
1328 switch (index)
1330 case MCSC_BACKGROUND:
1331 type = BrushBackground;
1332 break;
1333 case MCSC_TITLEBK:
1334 type = BrushTitle;
1335 break;
1336 case MCSC_MONTHBK:
1337 type = BrushMonth;
1338 break;
1339 default:
1340 type = BrushLast;
1343 if (type != BrushLast)
1345 DeleteObject(infoPtr->brushes[type]);
1346 infoPtr->brushes[type] = CreateSolidBrush(color);
1349 /* update cached pen */
1350 if (index == MCSC_TEXT)
1352 DeleteObject(infoPtr->pens[PenText]);
1353 infoPtr->pens[PenText] = CreatePen(PS_SOLID, 1, infoPtr->colors[index]);
1356 InvalidateRect(infoPtr->hwndSelf, NULL, index == MCSC_BACKGROUND);
1357 return prev;
1360 static LRESULT
1361 MONTHCAL_GetMonthDelta(const MONTHCAL_INFO *infoPtr)
1363 TRACE("\n");
1365 if(infoPtr->delta)
1366 return infoPtr->delta;
1368 return MONTHCAL_GetMonthRange(infoPtr, GMR_VISIBLE, NULL);
1372 static LRESULT
1373 MONTHCAL_SetMonthDelta(MONTHCAL_INFO *infoPtr, INT delta)
1375 INT prev = infoPtr->delta;
1377 TRACE("delta %d\n", delta);
1379 infoPtr->delta = delta;
1380 return prev;
1384 static inline LRESULT
1385 MONTHCAL_GetFirstDayOfWeek(const MONTHCAL_INFO *infoPtr)
1387 int day;
1389 /* convert from SYSTEMTIME to locale format */
1390 day = (infoPtr->firstDay >= 0) ? (infoPtr->firstDay+6)%7 : infoPtr->firstDay;
1392 return MAKELONG(day, infoPtr->firstDaySet);
1396 /* Sets the first day of the week that will appear in the control
1399 * PARAMETERS:
1400 * [I] infoPtr : valid pointer to control data
1401 * [I] day : day number to set as new first day (0 == Monday,...,6 == Sunday)
1404 * RETURN VALUE:
1405 * Low word contains previous first day,
1406 * high word indicates was first day forced with this message before or is
1407 * locale defined (TRUE - was forced, FALSE - wasn't).
1409 * FIXME: this needs to be implemented properly in MONTHCAL_Refresh()
1410 * FIXME: we need more error checking here
1412 static LRESULT
1413 MONTHCAL_SetFirstDayOfWeek(MONTHCAL_INFO *infoPtr, INT day)
1415 LRESULT prev = MONTHCAL_GetFirstDayOfWeek(infoPtr);
1416 int new_day;
1418 TRACE("%d\n", day);
1420 if(day == -1)
1422 WCHAR buf[80];
1424 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IFIRSTDAYOFWEEK, buf, countof(buf));
1425 TRACE("%s %d\n", debugstr_w(buf), strlenW(buf));
1427 new_day = atoiW(buf);
1429 infoPtr->firstDaySet = FALSE;
1431 else if(day >= 7)
1433 new_day = 6; /* max first day allowed */
1434 infoPtr->firstDaySet = TRUE;
1436 else
1438 /* Native behaviour for that case is broken: invalid date number >31
1439 got displayed at (0,0) position, current month starts always from
1440 (1,0) position. Should be implemented here as well only if there's
1441 nothing else to do. */
1442 if (day < -1)
1443 FIXME("No bug compatibility for day=%d\n", day);
1445 new_day = day;
1446 infoPtr->firstDaySet = TRUE;
1449 /* convert from locale to SYSTEMTIME format */
1450 infoPtr->firstDay = (new_day >= 0) ? (++new_day) % 7 : new_day;
1452 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1454 return prev;
1457 static LRESULT
1458 MONTHCAL_GetMaxTodayWidth(const MONTHCAL_INFO *infoPtr)
1460 return(infoPtr->todayrect.right - infoPtr->todayrect.left);
1463 static LRESULT
1464 MONTHCAL_SetRange(MONTHCAL_INFO *infoPtr, SHORT limits, SYSTEMTIME *range)
1466 FILETIME ft_min, ft_max;
1468 TRACE("%x %p\n", limits, range);
1470 if ((limits & GDTR_MIN && !MONTHCAL_ValidateDate(&range[0])) ||
1471 (limits & GDTR_MAX && !MONTHCAL_ValidateDate(&range[1])))
1472 return FALSE;
1474 infoPtr->rangeValid = 0;
1475 infoPtr->minDate = infoPtr->maxDate = st_null;
1477 if (limits & GDTR_MIN)
1479 if (!MONTHCAL_ValidateTime(&range[0]))
1480 MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[0]);
1482 infoPtr->minDate = range[0];
1483 infoPtr->rangeValid |= GDTR_MIN;
1485 if (limits & GDTR_MAX)
1487 if (!MONTHCAL_ValidateTime(&range[1]))
1488 MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[1]);
1490 infoPtr->maxDate = range[1];
1491 infoPtr->rangeValid |= GDTR_MAX;
1494 /* Only one limit set - we are done */
1495 if ((infoPtr->rangeValid & (GDTR_MIN | GDTR_MAX)) != (GDTR_MIN | GDTR_MAX))
1496 return TRUE;
1498 SystemTimeToFileTime(&infoPtr->maxDate, &ft_max);
1499 SystemTimeToFileTime(&infoPtr->minDate, &ft_min);
1501 if (CompareFileTime(&ft_min, &ft_max) >= 0)
1503 if ((limits & (GDTR_MIN | GDTR_MAX)) == (GDTR_MIN | GDTR_MAX))
1505 /* Native swaps limits only when both limits are being set. */
1506 SYSTEMTIME st_tmp = infoPtr->minDate;
1507 infoPtr->minDate = infoPtr->maxDate;
1508 infoPtr->maxDate = st_tmp;
1510 else
1512 /* reset the other limit */
1513 if (limits & GDTR_MIN) infoPtr->maxDate = st_null;
1514 if (limits & GDTR_MAX) infoPtr->minDate = st_null;
1515 infoPtr->rangeValid &= limits & GDTR_MIN ? ~GDTR_MAX : ~GDTR_MIN;
1519 return TRUE;
1523 static LRESULT
1524 MONTHCAL_GetRange(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *range)
1526 TRACE("%p\n", range);
1528 if (!range) return 0;
1530 range[1] = infoPtr->maxDate;
1531 range[0] = infoPtr->minDate;
1533 return infoPtr->rangeValid;
1537 static LRESULT
1538 MONTHCAL_SetDayState(const MONTHCAL_INFO *infoPtr, INT months, MONTHDAYSTATE *states)
1540 TRACE("%p %d %p\n", infoPtr, months, states);
1542 if (!(infoPtr->dwStyle & MCS_DAYSTATE)) return 0;
1543 if (months != MONTHCAL_GetMonthRange(infoPtr, GMR_DAYSTATE, 0)) return 0;
1545 memcpy(infoPtr->monthdayState, states, months*sizeof(MONTHDAYSTATE));
1547 return 1;
1550 static LRESULT
1551 MONTHCAL_GetCurSel(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *curSel)
1553 TRACE("%p\n", curSel);
1554 if(!curSel) return FALSE;
1555 if(infoPtr->dwStyle & MCS_MULTISELECT) return FALSE;
1557 *curSel = infoPtr->minSel;
1558 TRACE("%d/%d/%d\n", curSel->wYear, curSel->wMonth, curSel->wDay);
1559 return TRUE;
1562 static LRESULT
1563 MONTHCAL_SetCurSel(MONTHCAL_INFO *infoPtr, SYSTEMTIME *curSel)
1565 SYSTEMTIME prev = infoPtr->minSel, selection;
1566 INT diff;
1567 WORD day;
1569 TRACE("%p\n", curSel);
1570 if(!curSel) return FALSE;
1571 if(infoPtr->dwStyle & MCS_MULTISELECT) return FALSE;
1573 if(!MONTHCAL_ValidateDate(curSel)) return FALSE;
1574 /* exit earlier if selection equals current */
1575 if (MONTHCAL_IsDateEqual(&infoPtr->minSel, curSel)) return TRUE;
1577 selection = *curSel;
1578 selection.wHour = selection.wMinute = selection.wSecond = selection.wMilliseconds = 0;
1579 MONTHCAL_CalculateDayOfWeek(&selection, TRUE);
1581 if(!MONTHCAL_IsDateInValidRange(infoPtr, &selection, FALSE)) return FALSE;
1583 /* scroll calendars only if we have to */
1584 diff = MONTHCAL_MonthDiff(&infoPtr->calendars[MONTHCAL_GetCalCount(infoPtr)-1].month, curSel);
1585 if (diff <= 0)
1587 diff = MONTHCAL_MonthDiff(&infoPtr->calendars[0].month, curSel);
1588 if (diff > 0) diff = 0;
1591 if (diff != 0)
1593 INT i;
1595 for (i = 0; i < MONTHCAL_GetCalCount(infoPtr); i++)
1596 MONTHCAL_GetMonth(&infoPtr->calendars[i].month, diff);
1599 /* we need to store time part as it is */
1600 selection = *curSel;
1601 MONTHCAL_CalculateDayOfWeek(&selection, TRUE);
1602 infoPtr->minSel = infoPtr->maxSel = selection;
1604 /* if selection is still in current month, reduce rectangle */
1605 day = prev.wDay;
1606 prev.wDay = curSel->wDay;
1607 if (MONTHCAL_IsDateEqual(&prev, curSel))
1609 RECT r_prev, r_new;
1611 prev.wDay = day;
1612 MONTHCAL_GetDayRect(infoPtr, &prev, &r_prev, -1);
1613 MONTHCAL_GetDayRect(infoPtr, curSel, &r_new, -1);
1615 InvalidateRect(infoPtr->hwndSelf, &r_prev, FALSE);
1616 InvalidateRect(infoPtr->hwndSelf, &r_new, FALSE);
1618 else
1619 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1621 return TRUE;
1625 static LRESULT
1626 MONTHCAL_GetMaxSelCount(const MONTHCAL_INFO *infoPtr)
1628 return infoPtr->maxSelCount;
1632 static LRESULT
1633 MONTHCAL_SetMaxSelCount(MONTHCAL_INFO *infoPtr, INT max)
1635 TRACE("%d\n", max);
1637 if(!(infoPtr->dwStyle & MCS_MULTISELECT)) return FALSE;
1638 if(max <= 0) return FALSE;
1640 infoPtr->maxSelCount = max;
1642 return TRUE;
1646 static LRESULT
1647 MONTHCAL_GetSelRange(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *range)
1649 TRACE("%p\n", range);
1651 if(!range) return FALSE;
1653 if(infoPtr->dwStyle & MCS_MULTISELECT)
1655 range[1] = infoPtr->maxSel;
1656 range[0] = infoPtr->minSel;
1657 TRACE("[min,max]=[%d %d]\n", infoPtr->minSel.wDay, infoPtr->maxSel.wDay);
1658 return TRUE;
1661 return FALSE;
1665 static LRESULT
1666 MONTHCAL_SetSelRange(MONTHCAL_INFO *infoPtr, SYSTEMTIME *range)
1668 SYSTEMTIME old_range[2];
1669 INT diff;
1671 TRACE("%p\n", range);
1673 if(!range || !(infoPtr->dwStyle & MCS_MULTISELECT)) return FALSE;
1675 /* adjust timestamps */
1676 if(!MONTHCAL_ValidateTime(&range[0])) MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[0]);
1677 if(!MONTHCAL_ValidateTime(&range[1])) MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[1]);
1679 /* maximum range exceeded */
1680 if(!MONTHCAL_IsSelRangeValid(infoPtr, &range[0], &range[1], NULL)) return FALSE;
1682 old_range[0] = infoPtr->minSel;
1683 old_range[1] = infoPtr->maxSel;
1685 /* swap if min > max */
1686 if(MONTHCAL_CompareSystemTime(&range[0], &range[1]) <= 0)
1688 infoPtr->minSel = range[0];
1689 infoPtr->maxSel = range[1];
1691 else
1693 infoPtr->minSel = range[1];
1694 infoPtr->maxSel = range[0];
1697 diff = MONTHCAL_MonthDiff(&infoPtr->calendars[MONTHCAL_GetCalCount(infoPtr)-1].month, &infoPtr->maxSel);
1698 if (diff < 0)
1700 diff = MONTHCAL_MonthDiff(&infoPtr->calendars[0].month, &infoPtr->maxSel);
1701 if (diff > 0) diff = 0;
1704 if (diff != 0)
1706 INT i;
1708 for (i = 0; i < MONTHCAL_GetCalCount(infoPtr); i++)
1709 MONTHCAL_GetMonth(&infoPtr->calendars[i].month, diff);
1712 /* update day of week */
1713 MONTHCAL_CalculateDayOfWeek(&infoPtr->minSel, TRUE);
1714 MONTHCAL_CalculateDayOfWeek(&infoPtr->maxSel, TRUE);
1716 /* redraw if bounds changed */
1717 /* FIXME: no actual need to redraw everything */
1718 if(!MONTHCAL_IsDateEqual(&old_range[0], &range[0]) ||
1719 !MONTHCAL_IsDateEqual(&old_range[1], &range[1]))
1721 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1724 TRACE("[min,max]=[%d %d]\n", infoPtr->minSel.wDay, infoPtr->maxSel.wDay);
1725 return TRUE;
1729 static LRESULT
1730 MONTHCAL_GetToday(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *today)
1732 TRACE("%p\n", today);
1734 if(!today) return FALSE;
1735 *today = infoPtr->todaysDate;
1736 return TRUE;
1739 /* Internal helper for MCM_SETTODAY handler and auto update timer handler
1741 * RETURN VALUE
1743 * TRUE - today date changed
1744 * FALSE - today date isn't changed
1746 static BOOL
1747 MONTHCAL_UpdateToday(MONTHCAL_INFO *infoPtr, const SYSTEMTIME *today)
1749 RECT rect;
1751 if (MONTHCAL_IsDateEqual(today, &infoPtr->todaysDate))
1752 return FALSE;
1754 /* Invalidate old and new today day rectangle, and today label. */
1755 if (MONTHCAL_GetDayRect(infoPtr, &infoPtr->todaysDate, &rect, -1))
1756 InvalidateRect(infoPtr->hwndSelf, &rect, FALSE);
1758 if (MONTHCAL_GetDayRect(infoPtr, today, &rect, -1))
1759 InvalidateRect(infoPtr->hwndSelf, &rect, FALSE);
1761 infoPtr->todaysDate = *today;
1763 InvalidateRect(infoPtr->hwndSelf, &infoPtr->todayrect, FALSE);
1764 return TRUE;
1767 /* MCM_SETTODAT handler */
1768 static LRESULT
1769 MONTHCAL_SetToday(MONTHCAL_INFO *infoPtr, const SYSTEMTIME *today)
1771 TRACE("%p\n", today);
1773 if (today)
1775 /* remember if date was set successfully */
1776 if (MONTHCAL_UpdateToday(infoPtr, today)) infoPtr->todaySet = TRUE;
1779 return 0;
1782 /* returns calendar index containing specified point, or -1 if it's background */
1783 static INT MONTHCAL_GetCalendarFromPoint(const MONTHCAL_INFO *infoPtr, const POINT *pt)
1785 RECT r;
1786 INT i;
1788 for (i = 0; i < MONTHCAL_GetCalCount(infoPtr); i++)
1790 /* whole bounding rectangle allows some optimization to compute */
1791 r.left = infoPtr->calendars[i].title.left;
1792 r.top = infoPtr->calendars[i].title.top;
1793 r.bottom = infoPtr->calendars[i].days.bottom;
1794 r.right = infoPtr->calendars[i].days.right;
1796 if (PtInRect(&r, *pt)) return i;
1799 return -1;
1802 static inline UINT fill_hittest_info(const MCHITTESTINFO *src, MCHITTESTINFO *dest)
1804 dest->uHit = src->uHit;
1805 dest->st = src->st;
1807 if (dest->cbSize == sizeof(MCHITTESTINFO))
1808 memcpy(&dest->rc, &src->rc, sizeof(MCHITTESTINFO) - MCHITTESTINFO_V1_SIZE);
1810 return src->uHit;
1813 static LRESULT
1814 MONTHCAL_HitTest(const MONTHCAL_INFO *infoPtr, MCHITTESTINFO *lpht)
1816 MCHITTESTINFO htinfo;
1817 SYSTEMTIME *ht_month;
1818 INT day, calIdx;
1820 if(!lpht || lpht->cbSize < MCHITTESTINFO_V1_SIZE) return -1;
1822 htinfo.st = st_null;
1824 /* we should preserve passed fields if hit area doesn't need them */
1825 if (lpht->cbSize == sizeof(MCHITTESTINFO))
1826 memcpy(&htinfo.rc, &lpht->rc, sizeof(MCHITTESTINFO) - MCHITTESTINFO_V1_SIZE);
1828 /* guess in what calendar we are */
1829 calIdx = MONTHCAL_GetCalendarFromPoint(infoPtr, &lpht->pt);
1830 if (calIdx == -1)
1832 if (PtInRect(&infoPtr->todayrect, lpht->pt))
1834 htinfo.uHit = MCHT_TODAYLINK;
1835 htinfo.rc = infoPtr->todayrect;
1837 else
1838 /* outside of calendar area? What's left must be background :-) */
1839 htinfo.uHit = MCHT_CALENDARBK;
1841 return fill_hittest_info(&htinfo, lpht);
1844 /* are we in the header? */
1845 if (PtInRect(&infoPtr->calendars[calIdx].title, lpht->pt)) {
1846 /* FIXME: buttons hittesting could be optimized cause maximum
1847 two calendars have buttons */
1848 if (calIdx == 0 && PtInRect(&infoPtr->titlebtnprev, lpht->pt))
1850 htinfo.uHit = MCHT_TITLEBTNPREV;
1851 htinfo.rc = infoPtr->titlebtnprev;
1853 else if (PtInRect(&infoPtr->titlebtnnext, lpht->pt))
1855 htinfo.uHit = MCHT_TITLEBTNNEXT;
1856 htinfo.rc = infoPtr->titlebtnnext;
1858 else if (PtInRect(&infoPtr->calendars[calIdx].titlemonth, lpht->pt))
1860 htinfo.uHit = MCHT_TITLEMONTH;
1861 htinfo.rc = infoPtr->calendars[calIdx].titlemonth;
1862 htinfo.iOffset = calIdx;
1864 else if (PtInRect(&infoPtr->calendars[calIdx].titleyear, lpht->pt))
1866 htinfo.uHit = MCHT_TITLEYEAR;
1867 htinfo.rc = infoPtr->calendars[calIdx].titleyear;
1868 htinfo.iOffset = calIdx;
1870 else
1872 htinfo.uHit = MCHT_TITLE;
1873 htinfo.rc = infoPtr->calendars[calIdx].title;
1874 htinfo.iOffset = calIdx;
1877 return fill_hittest_info(&htinfo, lpht);
1880 ht_month = &infoPtr->calendars[calIdx].month;
1881 /* days area (including week days and week numbers) */
1882 day = MONTHCAL_GetDayFromPos(infoPtr, lpht->pt, calIdx);
1883 if (PtInRect(&infoPtr->calendars[calIdx].wdays, lpht->pt))
1885 htinfo.uHit = MCHT_CALENDARDAY;
1886 htinfo.iOffset = calIdx;
1887 htinfo.st.wYear = ht_month->wYear;
1888 htinfo.st.wMonth = (day < 1) ? ht_month->wMonth -1 : ht_month->wMonth;
1889 htinfo.st.wDay = (day < 1) ?
1890 MONTHCAL_MonthLength(ht_month->wMonth-1, ht_month->wYear) - day : day;
1892 MONTHCAL_GetDayPos(infoPtr, &htinfo.st, &htinfo.iCol, &htinfo.iRow, calIdx);
1894 else if(PtInRect(&infoPtr->calendars[calIdx].weeknums, lpht->pt))
1896 htinfo.uHit = MCHT_CALENDARWEEKNUM;
1897 htinfo.st.wYear = ht_month->wYear;
1898 htinfo.iOffset = calIdx;
1900 if (day < 1)
1902 htinfo.st.wMonth = ht_month->wMonth - 1;
1903 htinfo.st.wDay = MONTHCAL_MonthLength(ht_month->wMonth-1, ht_month->wYear) - day;
1905 else if (day > MONTHCAL_MonthLength(ht_month->wMonth, ht_month->wYear))
1907 htinfo.st.wMonth = ht_month->wMonth + 1;
1908 htinfo.st.wDay = day - MONTHCAL_MonthLength(ht_month->wMonth, ht_month->wYear);
1910 else
1912 htinfo.st.wMonth = ht_month->wMonth;
1913 htinfo.st.wDay = day;
1916 else if(PtInRect(&infoPtr->calendars[calIdx].days, lpht->pt))
1918 htinfo.iOffset = calIdx;
1919 htinfo.st.wDay = ht_month->wDay;
1920 htinfo.st.wYear = ht_month->wYear;
1921 htinfo.st.wMonth = ht_month->wMonth;
1922 /* previous month only valid for first calendar */
1923 if (day < 1 && calIdx == 0)
1925 htinfo.uHit = MCHT_CALENDARDATEPREV;
1926 MONTHCAL_GetPrevMonth(&htinfo.st);
1927 htinfo.st.wDay = MONTHCAL_MonthLength(htinfo.st.wMonth, htinfo.st.wYear) + day;
1929 /* next month only valid for last calendar */
1930 else if (day > MONTHCAL_MonthLength(ht_month->wMonth, ht_month->wYear) &&
1931 calIdx == MONTHCAL_GetCalCount(infoPtr)-1)
1933 htinfo.uHit = MCHT_CALENDARDATENEXT;
1934 MONTHCAL_GetNextMonth(&htinfo.st);
1935 htinfo.st.wDay = day - MONTHCAL_MonthLength(ht_month->wMonth, ht_month->wYear);
1937 /* multiple calendars case - blank areas for previous/next month */
1938 else if (day < 1 || day > MONTHCAL_MonthLength(ht_month->wMonth, ht_month->wYear))
1940 htinfo.uHit = MCHT_CALENDARBK;
1942 else
1944 htinfo.uHit = MCHT_CALENDARDATE;
1945 htinfo.st.wDay = day;
1948 MONTHCAL_GetDayPos(infoPtr, &htinfo.st, &htinfo.iCol, &htinfo.iRow, calIdx);
1949 MONTHCAL_GetDayRectI(infoPtr, &htinfo.rc, htinfo.iCol, htinfo.iRow, calIdx);
1950 /* always update day of week */
1951 MONTHCAL_CalculateDayOfWeek(&htinfo.st, TRUE);
1954 return fill_hittest_info(&htinfo, lpht);
1957 /* MCN_GETDAYSTATE notification helper */
1958 static void MONTHCAL_NotifyDayState(MONTHCAL_INFO *infoPtr)
1960 MONTHDAYSTATE *state;
1961 NMDAYSTATE nmds;
1963 if (!(infoPtr->dwStyle & MCS_DAYSTATE)) return;
1965 nmds.nmhdr.hwndFrom = infoPtr->hwndSelf;
1966 nmds.nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
1967 nmds.nmhdr.code = MCN_GETDAYSTATE;
1968 nmds.cDayState = MONTHCAL_GetMonthRange(infoPtr, GMR_DAYSTATE, 0);
1969 nmds.prgDayState = state = Alloc(nmds.cDayState * sizeof(MONTHDAYSTATE));
1971 MONTHCAL_GetMinDate(infoPtr, &nmds.stStart);
1972 nmds.stStart.wDay = 1;
1974 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmds.nmhdr.idFrom, (LPARAM)&nmds);
1975 memcpy(infoPtr->monthdayState, nmds.prgDayState,
1976 MONTHCAL_GetMonthRange(infoPtr, GMR_DAYSTATE, 0)*sizeof(MONTHDAYSTATE));
1978 Free(state);
1981 /* no valid range check performed */
1982 static void MONTHCAL_Scroll(MONTHCAL_INFO *infoPtr, INT delta, BOOL keep_selection)
1984 INT i, selIdx = -1;
1986 for(i = 0; i < MONTHCAL_GetCalCount(infoPtr); i++)
1988 /* save selection position to shift it later */
1989 if (selIdx == -1 && MONTHCAL_CompareMonths(&infoPtr->minSel, &infoPtr->calendars[i].month) == 0)
1990 selIdx = i;
1992 MONTHCAL_GetMonth(&infoPtr->calendars[i].month, delta);
1995 if (keep_selection)
1996 return;
1998 /* selection is always shifted to first calendar */
1999 if (infoPtr->dwStyle & MCS_MULTISELECT)
2001 SYSTEMTIME range[2];
2003 MONTHCAL_GetSelRange(infoPtr, range);
2004 MONTHCAL_GetMonth(&range[0], delta - selIdx);
2005 MONTHCAL_GetMonth(&range[1], delta - selIdx);
2006 MONTHCAL_SetSelRange(infoPtr, range);
2008 else
2010 SYSTEMTIME st = infoPtr->minSel;
2012 MONTHCAL_GetMonth(&st, delta - selIdx);
2013 MONTHCAL_SetCurSel(infoPtr, &st);
2017 static void MONTHCAL_GoToMonth(MONTHCAL_INFO *infoPtr, enum nav_direction direction)
2019 INT delta = infoPtr->delta ? infoPtr->delta : MONTHCAL_GetCalCount(infoPtr);
2020 BOOL keep_selection;
2021 SYSTEMTIME st;
2023 TRACE("%s\n", direction == DIRECTION_BACKWARD ? "back" : "fwd");
2025 /* check if change allowed by range set */
2026 if(direction == DIRECTION_BACKWARD)
2028 st = infoPtr->calendars[0].month;
2029 MONTHCAL_GetMonth(&st, -delta);
2031 else
2033 st = infoPtr->calendars[MONTHCAL_GetCalCount(infoPtr)-1].month;
2034 MONTHCAL_GetMonth(&st, delta);
2037 if(!MONTHCAL_IsDateInValidRange(infoPtr, &st, FALSE)) return;
2039 keep_selection = infoPtr->dwStyle & MCS_NOSELCHANGEONNAV;
2040 MONTHCAL_Scroll(infoPtr, direction == DIRECTION_BACKWARD ? -delta : delta, keep_selection);
2041 MONTHCAL_NotifyDayState(infoPtr);
2042 if (!keep_selection)
2043 MONTHCAL_NotifySelectionChange(infoPtr);
2046 static LRESULT
2047 MONTHCAL_RButtonUp(MONTHCAL_INFO *infoPtr, LPARAM lParam)
2049 HMENU hMenu;
2050 POINT menupoint;
2051 WCHAR buf[32];
2053 hMenu = CreatePopupMenu();
2054 LoadStringW(COMCTL32_hModule, IDM_GOTODAY, buf, countof(buf));
2055 AppendMenuW(hMenu, MF_STRING|MF_ENABLED, 1, buf);
2056 menupoint.x = (short)LOWORD(lParam);
2057 menupoint.y = (short)HIWORD(lParam);
2058 ClientToScreen(infoPtr->hwndSelf, &menupoint);
2059 if( TrackPopupMenu(hMenu, TPM_RIGHTBUTTON | TPM_NONOTIFY | TPM_RETURNCMD,
2060 menupoint.x, menupoint.y, 0, infoPtr->hwndSelf, NULL))
2062 if (infoPtr->dwStyle & MCS_MULTISELECT)
2064 SYSTEMTIME range[2];
2066 range[0] = range[1] = infoPtr->todaysDate;
2067 MONTHCAL_SetSelRange(infoPtr, range);
2069 else
2070 MONTHCAL_SetCurSel(infoPtr, &infoPtr->todaysDate);
2072 MONTHCAL_NotifySelectionChange(infoPtr);
2073 MONTHCAL_NotifySelect(infoPtr);
2076 return 0;
2079 /***
2080 * DESCRIPTION:
2081 * Subclassed edit control windproc function
2083 * PARAMETER(S):
2084 * [I] hwnd : the edit window handle
2085 * [I] uMsg : the message that is to be processed
2086 * [I] wParam : first message parameter
2087 * [I] lParam : second message parameter
2090 static LRESULT CALLBACK EditWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
2092 MONTHCAL_INFO *infoPtr = (MONTHCAL_INFO *)GetWindowLongPtrW(GetParent(hwnd), 0);
2094 TRACE("(hwnd=%p, uMsg=%x, wParam=%lx, lParam=%lx)\n",
2095 hwnd, uMsg, wParam, lParam);
2097 switch (uMsg)
2099 case WM_GETDLGCODE:
2100 return DLGC_WANTARROWS | DLGC_WANTALLKEYS;
2102 case WM_DESTROY:
2104 WNDPROC editProc = infoPtr->EditWndProc;
2105 infoPtr->EditWndProc = NULL;
2106 SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (DWORD_PTR)editProc);
2107 return CallWindowProcW(editProc, hwnd, uMsg, wParam, lParam);
2110 case WM_KILLFOCUS:
2111 break;
2113 case WM_KEYDOWN:
2114 if ((VK_ESCAPE == (INT)wParam) || (VK_RETURN == (INT)wParam))
2115 break;
2117 default:
2118 return CallWindowProcW(infoPtr->EditWndProc, hwnd, uMsg, wParam, lParam);
2121 SendMessageW(infoPtr->hWndYearUpDown, WM_CLOSE, 0, 0);
2122 SendMessageW(hwnd, WM_CLOSE, 0, 0);
2123 return 0;
2126 /* creates updown control and edit box */
2127 static void MONTHCAL_EditYear(MONTHCAL_INFO *infoPtr, INT calIdx)
2129 RECT *rc = &infoPtr->calendars[calIdx].titleyear;
2130 RECT *title = &infoPtr->calendars[calIdx].title;
2132 infoPtr->hWndYearEdit =
2133 CreateWindowExW(0, WC_EDITW, 0, WS_VISIBLE | WS_CHILD | ES_READONLY,
2134 rc->left + 3, (title->bottom + title->top - infoPtr->textHeight) / 2,
2135 rc->right - rc->left + 4,
2136 infoPtr->textHeight, infoPtr->hwndSelf,
2137 NULL, NULL, NULL);
2139 SendMessageW(infoPtr->hWndYearEdit, WM_SETFONT, (WPARAM)infoPtr->hBoldFont, TRUE);
2141 infoPtr->hWndYearUpDown =
2142 CreateWindowExW(0, UPDOWN_CLASSW, 0,
2143 WS_VISIBLE | WS_CHILD | UDS_SETBUDDYINT | UDS_NOTHOUSANDS | UDS_ARROWKEYS,
2144 rc->right + 7, (title->bottom + title->top - infoPtr->textHeight) / 2,
2145 18, infoPtr->textHeight, infoPtr->hwndSelf,
2146 NULL, NULL, NULL);
2148 /* attach edit box */
2149 SendMessageW(infoPtr->hWndYearUpDown, UDM_SETRANGE, 0,
2150 MAKELONG(max_allowed_date.wYear, min_allowed_date.wYear));
2151 SendMessageW(infoPtr->hWndYearUpDown, UDM_SETBUDDY, (WPARAM)infoPtr->hWndYearEdit, 0);
2152 SendMessageW(infoPtr->hWndYearUpDown, UDM_SETPOS, 0, infoPtr->calendars[calIdx].month.wYear);
2154 /* subclass edit box */
2155 infoPtr->EditWndProc = (WNDPROC)SetWindowLongPtrW(infoPtr->hWndYearEdit,
2156 GWLP_WNDPROC, (DWORD_PTR)EditWndProc);
2158 SetFocus(infoPtr->hWndYearEdit);
2161 static LRESULT
2162 MONTHCAL_LButtonDown(MONTHCAL_INFO *infoPtr, LPARAM lParam)
2164 MCHITTESTINFO ht;
2165 DWORD hit;
2167 /* Actually we don't need input focus for calendar, this is used to kill
2168 year updown and its buddy edit box */
2169 if (IsWindow(infoPtr->hWndYearUpDown))
2171 SetFocus(infoPtr->hwndSelf);
2172 return 0;
2175 SetCapture(infoPtr->hwndSelf);
2177 ht.cbSize = sizeof(MCHITTESTINFO);
2178 ht.pt.x = (short)LOWORD(lParam);
2179 ht.pt.y = (short)HIWORD(lParam);
2181 hit = MONTHCAL_HitTest(infoPtr, &ht);
2183 TRACE("%x at %s\n", hit, wine_dbgstr_point(&ht.pt));
2185 switch(hit)
2187 case MCHT_TITLEBTNNEXT:
2188 MONTHCAL_GoToMonth(infoPtr, DIRECTION_FORWARD);
2189 infoPtr->status = MC_NEXTPRESSED;
2190 SetTimer(infoPtr->hwndSelf, MC_PREVNEXTMONTHTIMER, MC_PREVNEXTMONTHDELAY, 0);
2191 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2192 return 0;
2194 case MCHT_TITLEBTNPREV:
2195 MONTHCAL_GoToMonth(infoPtr, DIRECTION_BACKWARD);
2196 infoPtr->status = MC_PREVPRESSED;
2197 SetTimer(infoPtr->hwndSelf, MC_PREVNEXTMONTHTIMER, MC_PREVNEXTMONTHDELAY, 0);
2198 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2199 return 0;
2201 case MCHT_TITLEMONTH:
2203 HMENU hMenu = CreatePopupMenu();
2204 WCHAR buf[32];
2205 POINT menupoint;
2206 INT i;
2208 for (i = 0; i < 12; i++)
2210 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SMONTHNAME1+i, buf, countof(buf));
2211 AppendMenuW(hMenu, MF_STRING|MF_ENABLED, i + 1, buf);
2213 menupoint.x = ht.pt.x;
2214 menupoint.y = ht.pt.y;
2215 ClientToScreen(infoPtr->hwndSelf, &menupoint);
2216 i = TrackPopupMenu(hMenu,TPM_LEFTALIGN | TPM_NONOTIFY | TPM_RIGHTBUTTON | TPM_RETURNCMD,
2217 menupoint.x, menupoint.y, 0, infoPtr->hwndSelf, NULL);
2219 if ((i > 0) && (i < 13) && infoPtr->calendars[ht.iOffset].month.wMonth != i)
2221 INT delta = i - infoPtr->calendars[ht.iOffset].month.wMonth;
2222 SYSTEMTIME st;
2224 /* check if change allowed by range set */
2225 st = delta < 0 ? infoPtr->calendars[0].month :
2226 infoPtr->calendars[MONTHCAL_GetCalCount(infoPtr)-1].month;
2227 MONTHCAL_GetMonth(&st, delta);
2229 if (MONTHCAL_IsDateInValidRange(infoPtr, &st, FALSE))
2231 MONTHCAL_Scroll(infoPtr, delta, FALSE);
2232 MONTHCAL_NotifyDayState(infoPtr);
2233 MONTHCAL_NotifySelectionChange(infoPtr);
2234 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2237 return 0;
2239 case MCHT_TITLEYEAR:
2241 MONTHCAL_EditYear(infoPtr, ht.iOffset);
2242 return 0;
2244 case MCHT_TODAYLINK:
2246 if (infoPtr->dwStyle & MCS_MULTISELECT)
2248 SYSTEMTIME range[2];
2250 range[0] = range[1] = infoPtr->todaysDate;
2251 MONTHCAL_SetSelRange(infoPtr, range);
2253 else
2254 MONTHCAL_SetCurSel(infoPtr, &infoPtr->todaysDate);
2256 MONTHCAL_NotifySelectionChange(infoPtr);
2257 MONTHCAL_NotifySelect(infoPtr);
2258 return 0;
2260 case MCHT_CALENDARDATENEXT:
2261 case MCHT_CALENDARDATEPREV:
2262 case MCHT_CALENDARDATE:
2264 SYSTEMTIME st[2];
2266 MONTHCAL_CopyDate(&ht.st, &infoPtr->firstSel);
2268 st[0] = st[1] = ht.st;
2269 /* clear selection range */
2270 MONTHCAL_SetSelRange(infoPtr, st);
2272 infoPtr->status = MC_SEL_LBUTDOWN;
2273 MONTHCAL_SetDayFocus(infoPtr, &ht.st);
2274 return 0;
2278 return 1;
2282 static LRESULT
2283 MONTHCAL_LButtonUp(MONTHCAL_INFO *infoPtr, LPARAM lParam)
2285 NMHDR nmhdr;
2286 MCHITTESTINFO ht;
2287 DWORD hit;
2289 TRACE("\n");
2291 if(infoPtr->status & (MC_PREVPRESSED | MC_NEXTPRESSED)) {
2292 RECT *r;
2294 KillTimer(infoPtr->hwndSelf, MC_PREVNEXTMONTHTIMER);
2295 r = infoPtr->status & MC_PREVPRESSED ? &infoPtr->titlebtnprev : &infoPtr->titlebtnnext;
2296 infoPtr->status &= ~(MC_PREVPRESSED | MC_NEXTPRESSED);
2298 InvalidateRect(infoPtr->hwndSelf, r, FALSE);
2301 ReleaseCapture();
2303 /* always send NM_RELEASEDCAPTURE notification */
2304 nmhdr.hwndFrom = infoPtr->hwndSelf;
2305 nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
2306 nmhdr.code = NM_RELEASEDCAPTURE;
2307 TRACE("Sent notification from %p to %p\n", infoPtr->hwndSelf, infoPtr->hwndNotify);
2309 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmhdr.idFrom, (LPARAM)&nmhdr);
2311 if(!(infoPtr->status & MC_SEL_LBUTDOWN)) return 0;
2313 ht.cbSize = sizeof(MCHITTESTINFO);
2314 ht.pt.x = (short)LOWORD(lParam);
2315 ht.pt.y = (short)HIWORD(lParam);
2316 hit = MONTHCAL_HitTest(infoPtr, &ht);
2318 infoPtr->status = MC_SEL_LBUTUP;
2319 MONTHCAL_SetDayFocus(infoPtr, NULL);
2321 if((hit & MCHT_CALENDARDATE) == MCHT_CALENDARDATE)
2323 SYSTEMTIME sel = infoPtr->minSel;
2325 /* will be invalidated here */
2326 MONTHCAL_SetCurSel(infoPtr, &ht.st);
2328 /* send MCN_SELCHANGE only if new date selected */
2329 if (!MONTHCAL_IsDateEqual(&sel, &ht.st))
2330 MONTHCAL_NotifySelectionChange(infoPtr);
2332 MONTHCAL_NotifySelect(infoPtr);
2335 return 0;
2339 static LRESULT
2340 MONTHCAL_Timer(MONTHCAL_INFO *infoPtr, WPARAM id)
2342 TRACE("%ld\n", id);
2344 switch(id) {
2345 case MC_PREVNEXTMONTHTIMER:
2346 if(infoPtr->status & MC_NEXTPRESSED) MONTHCAL_GoToMonth(infoPtr, DIRECTION_FORWARD);
2347 if(infoPtr->status & MC_PREVPRESSED) MONTHCAL_GoToMonth(infoPtr, DIRECTION_BACKWARD);
2348 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2349 break;
2350 case MC_TODAYUPDATETIMER:
2352 SYSTEMTIME st;
2354 if(infoPtr->todaySet) return 0;
2356 GetLocalTime(&st);
2357 MONTHCAL_UpdateToday(infoPtr, &st);
2359 /* notification sent anyway */
2360 MONTHCAL_NotifySelectionChange(infoPtr);
2362 return 0;
2364 default:
2365 ERR("got unknown timer %ld\n", id);
2366 break;
2369 return 0;
2373 static LRESULT
2374 MONTHCAL_MouseMove(MONTHCAL_INFO *infoPtr, LPARAM lParam)
2376 MCHITTESTINFO ht;
2377 SYSTEMTIME st_ht;
2378 INT hit;
2379 RECT r;
2381 if(!(infoPtr->status & MC_SEL_LBUTDOWN)) return 0;
2383 ht.cbSize = sizeof(MCHITTESTINFO);
2384 ht.pt.x = (short)LOWORD(lParam);
2385 ht.pt.y = (short)HIWORD(lParam);
2386 ht.iOffset = -1;
2388 hit = MONTHCAL_HitTest(infoPtr, &ht);
2390 /* not on the calendar date numbers? bail out */
2391 TRACE("hit:%x\n",hit);
2392 if((hit & MCHT_CALENDARDATE) != MCHT_CALENDARDATE)
2394 MONTHCAL_SetDayFocus(infoPtr, NULL);
2395 return 0;
2398 st_ht = ht.st;
2400 /* if pointer is over focused day still there's nothing to do */
2401 if(!MONTHCAL_SetDayFocus(infoPtr, &ht.st)) return 0;
2403 MONTHCAL_GetDayRect(infoPtr, &ht.st, &r, ht.iOffset);
2405 if(infoPtr->dwStyle & MCS_MULTISELECT) {
2406 SYSTEMTIME st[2];
2408 MONTHCAL_GetSelRange(infoPtr, st);
2410 /* If we're still at the first selected date and range is empty, return.
2411 If range isn't empty we should change range to a single firstSel */
2412 if(MONTHCAL_IsDateEqual(&infoPtr->firstSel, &st_ht) &&
2413 MONTHCAL_IsDateEqual(&st[0], &st[1])) goto done;
2415 MONTHCAL_IsSelRangeValid(infoPtr, &st_ht, &infoPtr->firstSel, &st_ht);
2417 st[0] = infoPtr->firstSel;
2418 /* we should overwrite timestamp here */
2419 MONTHCAL_CopyDate(&st_ht, &st[1]);
2421 /* bounds will be swapped here if needed */
2422 MONTHCAL_SetSelRange(infoPtr, st);
2424 return 0;
2427 done:
2429 /* FIXME: this should specify a rectangle containing only the days that changed
2430 using InvalidateRect */
2431 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2433 return 0;
2437 static LRESULT
2438 MONTHCAL_Paint(MONTHCAL_INFO *infoPtr, HDC hdc_paint)
2440 HDC hdc;
2441 PAINTSTRUCT ps;
2443 if (hdc_paint)
2445 GetClientRect(infoPtr->hwndSelf, &ps.rcPaint);
2446 hdc = hdc_paint;
2448 else
2449 hdc = BeginPaint(infoPtr->hwndSelf, &ps);
2451 MONTHCAL_Refresh(infoPtr, hdc, &ps);
2452 if (!hdc_paint) EndPaint(infoPtr->hwndSelf, &ps);
2453 return 0;
2456 static LRESULT
2457 MONTHCAL_EraseBkgnd(const MONTHCAL_INFO *infoPtr, HDC hdc)
2459 RECT rc;
2461 if (!GetClipBox(hdc, &rc)) return FALSE;
2463 FillRect(hdc, &rc, infoPtr->brushes[BrushBackground]);
2465 return TRUE;
2468 static LRESULT
2469 MONTHCAL_PrintClient(MONTHCAL_INFO *infoPtr, HDC hdc, DWORD options)
2471 FIXME("Partial Stub: (hdc=%p options=0x%08x)\n", hdc, options);
2473 if ((options & PRF_CHECKVISIBLE) && !IsWindowVisible(infoPtr->hwndSelf))
2474 return 0;
2476 if (options & PRF_ERASEBKGND)
2477 MONTHCAL_EraseBkgnd(infoPtr, hdc);
2479 if (options & PRF_CLIENT)
2480 MONTHCAL_Paint(infoPtr, hdc);
2482 return 0;
2485 static LRESULT
2486 MONTHCAL_SetFocus(const MONTHCAL_INFO *infoPtr)
2488 TRACE("\n");
2490 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2492 return 0;
2495 /* sets the size information */
2496 static void MONTHCAL_UpdateSize(MONTHCAL_INFO *infoPtr)
2498 static const WCHAR O0W[] = { '0','0',0 };
2499 RECT *title=&infoPtr->calendars[0].title;
2500 RECT *prev=&infoPtr->titlebtnprev;
2501 RECT *next=&infoPtr->titlebtnnext;
2502 RECT *titlemonth=&infoPtr->calendars[0].titlemonth;
2503 RECT *titleyear=&infoPtr->calendars[0].titleyear;
2504 RECT *wdays=&infoPtr->calendars[0].wdays;
2505 RECT *weeknumrect=&infoPtr->calendars[0].weeknums;
2506 RECT *days=&infoPtr->calendars[0].days;
2507 RECT *todayrect=&infoPtr->todayrect;
2509 INT xdiv, dx, dy, i, j, x, y, c_dx, c_dy;
2510 WCHAR buff[80];
2511 TEXTMETRICW tm;
2512 INT day_width;
2513 RECT client;
2514 HFONT font;
2515 SIZE size;
2516 HDC hdc;
2518 GetClientRect(infoPtr->hwndSelf, &client);
2520 hdc = GetDC(infoPtr->hwndSelf);
2521 font = SelectObject(hdc, infoPtr->hFont);
2523 /* get the height and width of each day's text */
2524 GetTextMetricsW(hdc, &tm);
2525 infoPtr->textHeight = tm.tmHeight + tm.tmExternalLeading + tm.tmInternalLeading;
2527 /* find widest day name for current locale and font */
2528 day_width = 0;
2529 for (i = 0; i < 7; i++)
2531 SIZE sz;
2533 if (get_localized_dayname(infoPtr, i, buff, countof(buff)))
2535 GetTextExtentPoint32W(hdc, buff, lstrlenW(buff), &sz);
2536 if (sz.cx > day_width) day_width = sz.cx;
2538 else /* locale independent fallback on failure */
2540 static const WCHAR sunW[] = { 'S','u','n' };
2541 GetTextExtentPoint32W(hdc, sunW, countof(sunW), &sz);
2542 day_width = sz.cx;
2543 break;
2547 day_width += 2;
2549 /* recalculate the height and width increments and offsets */
2550 size.cx = 0;
2551 GetTextExtentPoint32W(hdc, O0W, 2, &size);
2553 /* restore the originally selected font */
2554 SelectObject(hdc, font);
2555 ReleaseDC(infoPtr->hwndSelf, hdc);
2557 xdiv = (infoPtr->dwStyle & MCS_WEEKNUMBERS) ? 8 : 7;
2559 infoPtr->width_increment = max(day_width, size.cx * 2 + 4);
2560 infoPtr->height_increment = infoPtr->textHeight;
2562 /* calculate title area */
2563 title->top = 0;
2564 title->bottom = 3 * infoPtr->height_increment / 2;
2565 title->left = 0;
2566 title->right = infoPtr->width_increment * xdiv;
2568 /* set the dimensions of the next and previous buttons and center */
2569 /* the month text vertically */
2570 prev->top = next->top = title->top + 4;
2571 prev->bottom = next->bottom = title->bottom - 4;
2572 prev->left = title->left + 4;
2573 prev->right = prev->left + (title->bottom - title->top);
2574 next->right = title->right - 4;
2575 next->left = next->right - (title->bottom - title->top);
2577 /* titlemonth->left and right change based upon the current month
2578 and are recalculated in refresh as the current month may change
2579 without the control being resized */
2580 titlemonth->top = titleyear->top = title->top + (infoPtr->height_increment)/2;
2581 titlemonth->bottom = titleyear->bottom = title->bottom - (infoPtr->height_increment)/2;
2583 /* week numbers */
2584 weeknumrect->left = 0;
2585 weeknumrect->right = infoPtr->dwStyle & MCS_WEEKNUMBERS ? prev->right : 0;
2587 /* days abbreviated names */
2588 wdays->left = days->left = weeknumrect->right;
2589 wdays->right = days->right = wdays->left + 7 * infoPtr->width_increment;
2590 wdays->top = title->bottom;
2591 wdays->bottom = wdays->top + infoPtr->height_increment;
2593 days->top = weeknumrect->top = wdays->bottom;
2594 days->bottom = weeknumrect->bottom = days->top + 6 * infoPtr->height_increment;
2596 todayrect->left = 0;
2597 todayrect->right = title->right;
2598 todayrect->top = days->bottom;
2599 todayrect->bottom = days->bottom + infoPtr->height_increment;
2601 /* compute calendar count, update all calendars */
2602 x = (client.right + MC_CALENDAR_PADDING) / (title->right - title->left + MC_CALENDAR_PADDING);
2603 /* today label affects whole height */
2604 if (infoPtr->dwStyle & MCS_NOTODAY)
2605 y = (client.bottom + MC_CALENDAR_PADDING) / (days->bottom - title->top + MC_CALENDAR_PADDING);
2606 else
2607 y = (client.bottom - todayrect->bottom + todayrect->top + MC_CALENDAR_PADDING) /
2608 (days->bottom - title->top + MC_CALENDAR_PADDING);
2610 /* TODO: ensure that count is properly adjusted to fit 12 months constraint */
2611 if (x == 0) x = 1;
2612 if (y == 0) y = 1;
2614 if (x*y != MONTHCAL_GetCalCount(infoPtr))
2616 infoPtr->dim.cx = x;
2617 infoPtr->dim.cy = y;
2618 infoPtr->calendars = ReAlloc(infoPtr->calendars, MONTHCAL_GetCalCount(infoPtr)*sizeof(CALENDAR_INFO));
2620 infoPtr->monthdayState = ReAlloc(infoPtr->monthdayState,
2621 MONTHCAL_GetMonthRange(infoPtr, GMR_DAYSTATE, 0)*sizeof(MONTHDAYSTATE));
2622 MONTHCAL_NotifyDayState(infoPtr);
2624 /* update pointers that we'll need */
2625 title = &infoPtr->calendars[0].title;
2626 wdays = &infoPtr->calendars[0].wdays;
2627 days = &infoPtr->calendars[0].days;
2630 for (i = 1; i < MONTHCAL_GetCalCount(infoPtr); i++)
2632 /* set months */
2633 infoPtr->calendars[i] = infoPtr->calendars[0];
2634 MONTHCAL_GetMonth(&infoPtr->calendars[i].month, i);
2637 /* offset all rectangles to center in client area */
2638 c_dx = (client.right - x * title->right - MC_CALENDAR_PADDING * (x-1)) / 2;
2639 c_dy = (client.bottom - y * todayrect->bottom - MC_CALENDAR_PADDING * (y-1)) / 2;
2641 /* if calendar doesn't fit client area show it at left/top bounds */
2642 if (title->left + c_dx < 0) c_dx = 0;
2643 if (title->top + c_dy < 0) c_dy = 0;
2645 for (i = 0; i < y; i++)
2647 for (j = 0; j < x; j++)
2649 dx = j*(title->right - title->left + MC_CALENDAR_PADDING) + c_dx;
2650 dy = i*(days->bottom - title->top + MC_CALENDAR_PADDING) + c_dy;
2652 OffsetRect(&infoPtr->calendars[i*x+j].title, dx, dy);
2653 OffsetRect(&infoPtr->calendars[i*x+j].titlemonth, dx, dy);
2654 OffsetRect(&infoPtr->calendars[i*x+j].titleyear, dx, dy);
2655 OffsetRect(&infoPtr->calendars[i*x+j].wdays, dx, dy);
2656 OffsetRect(&infoPtr->calendars[i*x+j].weeknums, dx, dy);
2657 OffsetRect(&infoPtr->calendars[i*x+j].days, dx, dy);
2661 OffsetRect(prev, c_dx, c_dy);
2662 OffsetRect(next, (x-1)*(title->right - title->left + MC_CALENDAR_PADDING) + c_dx, c_dy);
2664 i = infoPtr->dim.cx * infoPtr->dim.cy - infoPtr->dim.cx;
2665 todayrect->left = infoPtr->calendars[i].title.left;
2666 todayrect->right = infoPtr->calendars[i].title.right;
2667 todayrect->top = infoPtr->calendars[i].days.bottom;
2668 todayrect->bottom = infoPtr->calendars[i].days.bottom + infoPtr->height_increment;
2670 TRACE("dx=%d dy=%d client[%s] title[%s] wdays[%s] days[%s] today[%s]\n",
2671 infoPtr->width_increment,infoPtr->height_increment,
2672 wine_dbgstr_rect(&client),
2673 wine_dbgstr_rect(title),
2674 wine_dbgstr_rect(wdays),
2675 wine_dbgstr_rect(days),
2676 wine_dbgstr_rect(todayrect));
2679 static LRESULT MONTHCAL_Size(MONTHCAL_INFO *infoPtr, int Width, int Height)
2681 TRACE("(width=%d, height=%d)\n", Width, Height);
2683 MONTHCAL_UpdateSize(infoPtr);
2684 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2686 return 0;
2689 static LRESULT MONTHCAL_GetFont(const MONTHCAL_INFO *infoPtr)
2691 return (LRESULT)infoPtr->hFont;
2694 static LRESULT MONTHCAL_SetFont(MONTHCAL_INFO *infoPtr, HFONT hFont, BOOL redraw)
2696 HFONT hOldFont;
2697 LOGFONTW lf;
2699 if (!hFont) return 0;
2701 hOldFont = infoPtr->hFont;
2702 infoPtr->hFont = hFont;
2704 GetObjectW(infoPtr->hFont, sizeof(lf), &lf);
2705 lf.lfWeight = FW_BOLD;
2706 infoPtr->hBoldFont = CreateFontIndirectW(&lf);
2708 MONTHCAL_UpdateSize(infoPtr);
2710 if (redraw)
2711 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2713 return (LRESULT)hOldFont;
2716 /* update theme after a WM_THEMECHANGED message */
2717 static LRESULT theme_changed (const MONTHCAL_INFO* infoPtr)
2719 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
2720 CloseThemeData (theme);
2721 OpenThemeData (infoPtr->hwndSelf, themeClass);
2722 return 0;
2725 static INT MONTHCAL_StyleChanged(MONTHCAL_INFO *infoPtr, WPARAM wStyleType,
2726 const STYLESTRUCT *lpss)
2728 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
2729 wStyleType, lpss->styleOld, lpss->styleNew);
2731 if (wStyleType != GWL_STYLE) return 0;
2733 infoPtr->dwStyle = lpss->styleNew;
2735 /* make room for week numbers */
2736 if ((lpss->styleNew ^ lpss->styleOld) & (MCS_WEEKNUMBERS | MCS_SHORTDAYSOFWEEK))
2737 MONTHCAL_UpdateSize(infoPtr);
2739 return 0;
2742 static INT MONTHCAL_StyleChanging(MONTHCAL_INFO *infoPtr, WPARAM wStyleType,
2743 STYLESTRUCT *lpss)
2745 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
2746 wStyleType, lpss->styleOld, lpss->styleNew);
2748 /* block MCS_MULTISELECT change */
2749 if ((lpss->styleNew ^ lpss->styleOld) & MCS_MULTISELECT)
2751 if (lpss->styleOld & MCS_MULTISELECT)
2752 lpss->styleNew |= MCS_MULTISELECT;
2753 else
2754 lpss->styleNew &= ~MCS_MULTISELECT;
2757 /* block MCS_DAYSTATE change */
2758 if ((lpss->styleNew ^ lpss->styleOld) & MCS_DAYSTATE)
2760 if (lpss->styleOld & MCS_DAYSTATE)
2761 lpss->styleNew |= MCS_DAYSTATE;
2762 else
2763 lpss->styleNew &= ~MCS_DAYSTATE;
2766 return 0;
2769 /* FIXME: check whether dateMin/dateMax need to be adjusted. */
2770 static LRESULT
2771 MONTHCAL_Create(HWND hwnd, LPCREATESTRUCTW lpcs)
2773 MONTHCAL_INFO *infoPtr;
2775 /* allocate memory for info structure */
2776 infoPtr = Alloc(sizeof(MONTHCAL_INFO));
2777 SetWindowLongPtrW(hwnd, 0, (DWORD_PTR)infoPtr);
2779 if (infoPtr == NULL) {
2780 ERR("could not allocate info memory!\n");
2781 return 0;
2784 infoPtr->hwndSelf = hwnd;
2785 infoPtr->hwndNotify = lpcs->hwndParent;
2786 infoPtr->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
2787 infoPtr->dim.cx = infoPtr->dim.cy = 1;
2788 infoPtr->calendars = Alloc(sizeof(CALENDAR_INFO));
2789 if (!infoPtr->calendars) goto fail;
2790 infoPtr->monthdayState = Alloc(3*sizeof(MONTHDAYSTATE));
2791 if (!infoPtr->monthdayState) goto fail;
2793 /* initialize info structure */
2794 /* FIXME: calculate systemtime ->> localtime(subtract timezoneinfo) */
2796 GetLocalTime(&infoPtr->todaysDate);
2797 MONTHCAL_SetFirstDayOfWeek(infoPtr, -1);
2799 infoPtr->maxSelCount = (infoPtr->dwStyle & MCS_MULTISELECT) ? 7 : 1;
2801 infoPtr->colors[MCSC_BACKGROUND] = comctl32_color.clrWindow;
2802 infoPtr->colors[MCSC_TEXT] = comctl32_color.clrWindowText;
2803 infoPtr->colors[MCSC_TITLEBK] = comctl32_color.clrActiveCaption;
2804 infoPtr->colors[MCSC_TITLETEXT] = comctl32_color.clrWindow;
2805 infoPtr->colors[MCSC_MONTHBK] = comctl32_color.clrWindow;
2806 infoPtr->colors[MCSC_TRAILINGTEXT] = comctl32_color.clrGrayText;
2808 infoPtr->brushes[BrushBackground] = CreateSolidBrush(infoPtr->colors[MCSC_BACKGROUND]);
2809 infoPtr->brushes[BrushTitle] = CreateSolidBrush(infoPtr->colors[MCSC_TITLEBK]);
2810 infoPtr->brushes[BrushMonth] = CreateSolidBrush(infoPtr->colors[MCSC_MONTHBK]);
2812 infoPtr->pens[PenRed] = CreatePen(PS_SOLID, 1, RGB(255, 0, 0));
2813 infoPtr->pens[PenText] = CreatePen(PS_SOLID, 1, infoPtr->colors[MCSC_TEXT]);
2815 infoPtr->minSel = infoPtr->todaysDate;
2816 infoPtr->maxSel = infoPtr->todaysDate;
2817 infoPtr->calendars[0].month = infoPtr->todaysDate;
2818 infoPtr->isUnicode = TRUE;
2820 /* setup control layout and day state data */
2821 MONTHCAL_UpdateSize(infoPtr);
2823 /* today auto update timer, to be freed only on control destruction */
2824 SetTimer(infoPtr->hwndSelf, MC_TODAYUPDATETIMER, MC_TODAYUPDATEDELAY, 0);
2826 OpenThemeData (infoPtr->hwndSelf, themeClass);
2828 return 0;
2830 fail:
2831 Free(infoPtr->monthdayState);
2832 Free(infoPtr->calendars);
2833 Free(infoPtr);
2834 return 0;
2837 static LRESULT
2838 MONTHCAL_Destroy(MONTHCAL_INFO *infoPtr)
2840 INT i;
2842 /* free month calendar info data */
2843 Free(infoPtr->monthdayState);
2844 Free(infoPtr->calendars);
2845 SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
2847 CloseThemeData (GetWindowTheme (infoPtr->hwndSelf));
2849 for (i = 0; i < BrushLast; i++) DeleteObject(infoPtr->brushes[i]);
2850 for (i = 0; i < PenLast; i++) DeleteObject(infoPtr->pens[i]);
2852 Free(infoPtr);
2853 return 0;
2857 * Handler for WM_NOTIFY messages
2859 static LRESULT
2860 MONTHCAL_Notify(MONTHCAL_INFO *infoPtr, NMHDR *hdr)
2862 /* notification from year edit updown */
2863 if (hdr->code == UDN_DELTAPOS)
2865 NMUPDOWN *nmud = (NMUPDOWN*)hdr;
2867 if (hdr->hwndFrom == infoPtr->hWndYearUpDown && nmud->iDelta)
2869 /* year value limits are set up explicitly after updown creation */
2870 MONTHCAL_Scroll(infoPtr, 12 * nmud->iDelta, FALSE);
2871 MONTHCAL_NotifyDayState(infoPtr);
2872 MONTHCAL_NotifySelectionChange(infoPtr);
2875 return 0;
2878 static inline BOOL
2879 MONTHCAL_SetUnicodeFormat(MONTHCAL_INFO *infoPtr, BOOL isUnicode)
2881 BOOL prev = infoPtr->isUnicode;
2882 infoPtr->isUnicode = isUnicode;
2883 return prev;
2886 static inline BOOL
2887 MONTHCAL_GetUnicodeFormat(const MONTHCAL_INFO *infoPtr)
2889 return infoPtr->isUnicode;
2892 static LRESULT WINAPI
2893 MONTHCAL_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
2895 MONTHCAL_INFO *infoPtr = (MONTHCAL_INFO *)GetWindowLongPtrW(hwnd, 0);
2897 TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hwnd, uMsg, wParam, lParam);
2899 if (!infoPtr && (uMsg != WM_CREATE))
2900 return DefWindowProcW(hwnd, uMsg, wParam, lParam);
2901 switch(uMsg)
2903 case MCM_GETCURSEL:
2904 return MONTHCAL_GetCurSel(infoPtr, (LPSYSTEMTIME)lParam);
2906 case MCM_SETCURSEL:
2907 return MONTHCAL_SetCurSel(infoPtr, (LPSYSTEMTIME)lParam);
2909 case MCM_GETMAXSELCOUNT:
2910 return MONTHCAL_GetMaxSelCount(infoPtr);
2912 case MCM_SETMAXSELCOUNT:
2913 return MONTHCAL_SetMaxSelCount(infoPtr, wParam);
2915 case MCM_GETSELRANGE:
2916 return MONTHCAL_GetSelRange(infoPtr, (LPSYSTEMTIME)lParam);
2918 case MCM_SETSELRANGE:
2919 return MONTHCAL_SetSelRange(infoPtr, (LPSYSTEMTIME)lParam);
2921 case MCM_GETMONTHRANGE:
2922 return MONTHCAL_GetMonthRange(infoPtr, wParam, (SYSTEMTIME*)lParam);
2924 case MCM_SETDAYSTATE:
2925 return MONTHCAL_SetDayState(infoPtr, (INT)wParam, (LPMONTHDAYSTATE)lParam);
2927 case MCM_GETMINREQRECT:
2928 return MONTHCAL_GetMinReqRect(infoPtr, (LPRECT)lParam);
2930 case MCM_GETCOLOR:
2931 return MONTHCAL_GetColor(infoPtr, wParam);
2933 case MCM_SETCOLOR:
2934 return MONTHCAL_SetColor(infoPtr, wParam, (COLORREF)lParam);
2936 case MCM_GETTODAY:
2937 return MONTHCAL_GetToday(infoPtr, (LPSYSTEMTIME)lParam);
2939 case MCM_SETTODAY:
2940 return MONTHCAL_SetToday(infoPtr, (LPSYSTEMTIME)lParam);
2942 case MCM_HITTEST:
2943 return MONTHCAL_HitTest(infoPtr, (PMCHITTESTINFO)lParam);
2945 case MCM_GETFIRSTDAYOFWEEK:
2946 return MONTHCAL_GetFirstDayOfWeek(infoPtr);
2948 case MCM_SETFIRSTDAYOFWEEK:
2949 return MONTHCAL_SetFirstDayOfWeek(infoPtr, (INT)lParam);
2951 case MCM_GETRANGE:
2952 return MONTHCAL_GetRange(infoPtr, (LPSYSTEMTIME)lParam);
2954 case MCM_SETRANGE:
2955 return MONTHCAL_SetRange(infoPtr, (SHORT)wParam, (LPSYSTEMTIME)lParam);
2957 case MCM_GETMONTHDELTA:
2958 return MONTHCAL_GetMonthDelta(infoPtr);
2960 case MCM_SETMONTHDELTA:
2961 return MONTHCAL_SetMonthDelta(infoPtr, wParam);
2963 case MCM_GETMAXTODAYWIDTH:
2964 return MONTHCAL_GetMaxTodayWidth(infoPtr);
2966 case MCM_SETUNICODEFORMAT:
2967 return MONTHCAL_SetUnicodeFormat(infoPtr, (BOOL)wParam);
2969 case MCM_GETUNICODEFORMAT:
2970 return MONTHCAL_GetUnicodeFormat(infoPtr);
2972 case MCM_GETCALENDARCOUNT:
2973 return MONTHCAL_GetCalCount(infoPtr);
2975 case WM_GETDLGCODE:
2976 return DLGC_WANTARROWS | DLGC_WANTCHARS;
2978 case WM_RBUTTONUP:
2979 return MONTHCAL_RButtonUp(infoPtr, lParam);
2981 case WM_LBUTTONDOWN:
2982 return MONTHCAL_LButtonDown(infoPtr, lParam);
2984 case WM_MOUSEMOVE:
2985 return MONTHCAL_MouseMove(infoPtr, lParam);
2987 case WM_LBUTTONUP:
2988 return MONTHCAL_LButtonUp(infoPtr, lParam);
2990 case WM_PAINT:
2991 return MONTHCAL_Paint(infoPtr, (HDC)wParam);
2993 case WM_PRINTCLIENT:
2994 return MONTHCAL_PrintClient(infoPtr, (HDC)wParam, (DWORD)lParam);
2996 case WM_ERASEBKGND:
2997 return MONTHCAL_EraseBkgnd(infoPtr, (HDC)wParam);
2999 case WM_SETFOCUS:
3000 return MONTHCAL_SetFocus(infoPtr);
3002 case WM_SIZE:
3003 return MONTHCAL_Size(infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
3005 case WM_NOTIFY:
3006 return MONTHCAL_Notify(infoPtr, (NMHDR*)lParam);
3008 case WM_CREATE:
3009 return MONTHCAL_Create(hwnd, (LPCREATESTRUCTW)lParam);
3011 case WM_SETFONT:
3012 return MONTHCAL_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
3014 case WM_GETFONT:
3015 return MONTHCAL_GetFont(infoPtr);
3017 case WM_TIMER:
3018 return MONTHCAL_Timer(infoPtr, wParam);
3020 case WM_THEMECHANGED:
3021 return theme_changed (infoPtr);
3023 case WM_DESTROY:
3024 return MONTHCAL_Destroy(infoPtr);
3026 case WM_SYSCOLORCHANGE:
3027 COMCTL32_RefreshSysColors();
3028 return 0;
3030 case WM_STYLECHANGED:
3031 return MONTHCAL_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
3033 case WM_STYLECHANGING:
3034 return MONTHCAL_StyleChanging(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
3036 default:
3037 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
3038 ERR( "unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
3039 return DefWindowProcW(hwnd, uMsg, wParam, lParam);
3044 void
3045 MONTHCAL_Register(void)
3047 WNDCLASSW wndClass;
3049 ZeroMemory(&wndClass, sizeof(WNDCLASSW));
3050 wndClass.style = CS_GLOBALCLASS;
3051 wndClass.lpfnWndProc = MONTHCAL_WindowProc;
3052 wndClass.cbClsExtra = 0;
3053 wndClass.cbWndExtra = sizeof(MONTHCAL_INFO *);
3054 wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
3055 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
3056 wndClass.lpszClassName = MONTHCAL_CLASSW;
3058 RegisterClassW(&wndClass);
3062 void
3063 MONTHCAL_Unregister(void)
3065 UnregisterClassW(MONTHCAL_CLASSW, NULL);