1 /* Month calendar control
2
3 *
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 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 *
24 * NOTE
25 *
26 * This code was audited for completeness against the documented features
27 * of Comctl32.dll version 6.0 on Oct. 20, 2004, by Dimitrie O. Paun.
28 *
29 * Unless otherwise noted, we believe this code to be complete, as per
30 * the specification mentioned above.
31 * If you discover missing features, or bugs, please note them below.
32 *
33 * TODO:
34 * -- MCM_[GS]ETUNICODEFORMAT
35 * -- MONTHCAL_GetMonthRange
36 * -- handle resources better (doesn't work now);
37 * -- take care of internationalization.
38 * -- keyboard handling.
39 * -- GetRange: At the moment, we copy ranges anyway, regardless of
40 * infoPtr->rangeValid; an invalid range is simply filled
41 * with zeros in SetRange. Is this the right behavior?
42 * -- search for FIXME
43 */
44
45 #include <math.h>
46 #include <stdarg.h>
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <string.h>
50
51 #include "windef.h"
52 #include "winbase.h"
53 #include "wingdi.h"
54 #include "winuser.h"
55 #include "winnls.h"
56 #include "commctrl.h"
57 #include "comctl32.h"
58 #include "uxtheme.h"
59 #include "tmschema.h"
60 #include "wine/unicode.h"
61 #include "wine/debug.h"
62
63 WINE_DEFAULT_DEBUG_CHANNEL(monthcal);
64
65 #define MC_SEL_LBUTUP 1 /* Left button released */
66 #define MC_SEL_LBUTDOWN 2 /* Left button pressed in calendar */
67 #define MC_PREVPRESSED 4 /* Prev month button pressed */
68 #define MC_NEXTPRESSED 8 /* Next month button pressed */
69 #define MC_NEXTMONTHDELAY 350 /* when continuously pressing `next */
70 /* month', wait 500 ms before going */
71 /* to the next month */
72 #define MC_NEXTMONTHTIMER 1 /* Timer ID's */
73 #define MC_PREVMONTHTIMER 2
74
75 #define countof(arr) (sizeof(arr)/sizeof(arr[0]))
76
77 typedef struct
78 {
79 HWND hwndSelf;
80 COLORREF bk;
81 COLORREF txt;
82 COLORREF titlebk;
83 COLORREF titletxt;
84 COLORREF monthbk;
85 COLORREF trailingtxt;
86 HFONT hFont;
87 HFONT hBoldFont;
88 int textHeight;
89 int textWidth;
90 int height_increment;
91 int width_increment;
92 int firstDayplace; /* place of the first day of the current month */
93 int delta; /* scroll rate; # of months that the */
94 /* control moves when user clicks a scroll button */
95 int visible; /* # of months visible */
96 int firstDay; /* Start month calendar with firstDay's day */
97 int firstDayHighWord; /* High word only used externally */
98 int monthRange;
99 MONTHDAYSTATE *monthdayState;
100 SYSTEMTIME todaysDate;
101 DWORD currentMonth;
102 DWORD currentYear;
103 int status; /* See MC_SEL flags */
104 int curSelDay; /* current selected day */
105 int firstSelDay; /* first selected day */
106 int maxSelCount;
107 SYSTEMTIME minSel;
108 SYSTEMTIME maxSel;
109 DWORD rangeValid;
110 SYSTEMTIME minDate;
111 SYSTEMTIME maxDate;
112
113 RECT title; /* rect for the header above the calendar */
114 RECT titlebtnnext; /* the `next month' button in the header */
115 RECT titlebtnprev; /* the `prev month' button in the header */
116 RECT titlemonth; /* the `month name' txt in the header */
117 RECT titleyear; /* the `year number' txt in the header */
118 RECT wdays; /* week days at top */
119 RECT days; /* calendar area */
120 RECT weeknums; /* week numbers at left side */
121 RECT todayrect; /* `today: xx/xx/xx' text rect */
122 HWND hwndNotify; /* Window to receive the notifications */
123 HWND hWndYearEdit; /* Window Handle of edit box to handle years */
124 HWND hWndYearUpDown;/* Window Handle of updown box to handle years */
125 } MONTHCAL_INFO, *LPMONTHCAL_INFO;
126
127
128 /* Offsets of days in the week to the weekday of january 1 in a leap year */
129 static const int DayOfWeekTable[] = {0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4};
130
131 static const WCHAR themeClass[] = { 'S','c','r','o','l','l','b','a','r',0 };
132
133 #define MONTHCAL_GetInfoPtr(hwnd) ((MONTHCAL_INFO *)GetWindowLongPtrW(hwnd, 0))
134
135 /* helper functions */
136
137 /* returns the number of days in any given month, checking for leap days */
138 /* january is 1, december is 12 */
139 int MONTHCAL_MonthLength(int month, int year)
140 {
141 const int mdays[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0};
142 /*Wrap around, this eases handling*/
143 if(month == 0)
144 month = 12;
145 if(month == 13)
146 month = 1;
147
148 /* if we have a leap year add 1 day to February */
149 /* a leap year is a year either divisible by 400 */
150 /* or divisible by 4 and not by 100 */
151 if(month == 2) { /* February */
152 return mdays[month - 1] + ((year%400 == 0) ? 1 : ((year%100 != 0) &&
153 (year%4 == 0)) ? 1 : 0);
154 }
155 else {
156 return mdays[month - 1];
157 }
158 }
159
160
161 /* make sure that time is valid */
162 static int MONTHCAL_ValidateTime(SYSTEMTIME time)
163 {
164 if(time.wMonth < 1 || time.wMonth > 12 ) return FALSE;
165 if(time.wDayOfWeek > 6) return FALSE;
166 if(time.wDay > MONTHCAL_MonthLength(time.wMonth, time.wYear))
167 return FALSE;
168
169 return TRUE;
170 }
171
172
173 /* Note:Depending on DST, this may be offset by a day.
174 Need to find out if we're on a DST place & adjust the clock accordingly.
175 Above function assumes we have a valid data.
176 Valid for year>1752; 1 <= d <= 31, 1 <= m <= 12.
177 0 = Sunday.
178 */
179
180 /* returns the day in the week(0 == sunday, 6 == saturday) */
181 /* day(1 == 1st, 2 == 2nd... etc), year is the year value */
182 static int MONTHCAL_CalculateDayOfWeek(DWORD day, DWORD month, DWORD year)
183 {
184 year-=(month < 3);
185
186 return((year + year/4 - year/100 + year/400 +
187 DayOfWeekTable[month-1] + day ) % 7);
188 }
189
190 /* From a given point, calculate the row (weekpos), column(daypos)
191 and day in the calendar. day== 0 mean the last day of tha last month
192 */
193 static int MONTHCAL_CalcDayFromPos(const MONTHCAL_INFO *infoPtr, int x, int y,
194 int *daypos,int *weekpos)
195 {
196 int retval, firstDay;
197 RECT rcClient;
198
199 GetClientRect(infoPtr->hwndSelf, &rcClient);
200
201 /* if the point is outside the x bounds of the window put
202 it at the boundary */
203 if (x > rcClient.right)
204 x = rcClient.right;
205
206
207 *daypos = (x - infoPtr->days.left ) / infoPtr->width_increment;
208 *weekpos = (y - infoPtr->days.top ) / infoPtr->height_increment;
209
210 firstDay = (MONTHCAL_CalculateDayOfWeek(1, infoPtr->currentMonth, infoPtr->currentYear)+6 - infoPtr->firstDay)%7;
211 retval = *daypos + (7 * *weekpos) - firstDay;
212 return retval;
213 }
214
215 /* day is the day of the month, 1 == 1st day of the month */
216 /* sets x and y to be the position of the day */
217 /* x == day, y == week where(0,0) == firstDay, 1st week */
218 static void MONTHCAL_CalcDayXY(const MONTHCAL_INFO *infoPtr, int day, int month,
219 int *x, int *y)
220 {
221 int firstDay, prevMonth;
222
223 firstDay = (MONTHCAL_CalculateDayOfWeek(1, infoPtr->currentMonth, infoPtr->currentYear) +6 - infoPtr->firstDay)%7;
224
225 if(month==infoPtr->currentMonth) {
226 *x = (day + firstDay) % 7;
227 *y = (day + firstDay - *x) / 7;
228 return;
229 }
230 if(month < infoPtr->currentMonth) {
231 prevMonth = month - 1;
232 if(prevMonth==0)
233 prevMonth = 12;
234
235 *x = (MONTHCAL_MonthLength(prevMonth, infoPtr->currentYear) - firstDay) % 7;
236 *y = 0;
237 return;
238 }
239
240 *y = MONTHCAL_MonthLength(month, infoPtr->currentYear - 1) / 7;
241 *x = (day + firstDay + MONTHCAL_MonthLength(month,
242 infoPtr->currentYear)) % 7;
243 }
244
245
246 /* x: column(day), y: row(week) */
247 static void MONTHCAL_CalcDayRect(const MONTHCAL_INFO *infoPtr, RECT *r, int x, int y)
248 {
249 r->left = infoPtr->days.left + x * infoPtr->width_increment;
250 r->right = r->left + infoPtr->width_increment;
251 r->top = infoPtr->days.top + y * infoPtr->height_increment;
252 r->bottom = r->top + infoPtr->textHeight;
253 }
254
255
256 /* sets the RECT struct r to the rectangle around the day and month */
257 /* day is the day value of the month(1 == 1st), month is the month */
258 /* value(january == 1, december == 12) */
259 static inline void MONTHCAL_CalcPosFromDay(const MONTHCAL_INFO *infoPtr,
260 int day, int month, RECT *r)
261 {
262 int x, y;
263
264 MONTHCAL_CalcDayXY(infoPtr, day, month, &x, &y);
265 MONTHCAL_CalcDayRect(infoPtr, r, x, y);
266 }
267
268
269 /* day is the day in the month(1 == 1st of the month) */
270 /* month is the month value(1 == january, 12 == december) */
271 static void MONTHCAL_CircleDay(const MONTHCAL_INFO *infoPtr, HDC hdc, int day, int month)
272 {
273 HPEN hRedPen = CreatePen(PS_SOLID, 2, RGB(255, 0, 0));
274 HPEN hOldPen2 = SelectObject(hdc, hRedPen);
275 POINT points[13];
276 int x, y;
277 RECT day_rect;
278
279
280 MONTHCAL_CalcPosFromDay(infoPtr, day, month, &day_rect);
281
282 x = day_rect.left;
283 y = day_rect.top;
284
285 points[0].x = x;
286 points[0].y = y - 1;
287 points[1].x = x + 0.8 * infoPtr->width_increment;
288 points[1].y = y - 1;
289 points[2].x = x + 0.9 * infoPtr->width_increment;
290 points[2].y = y;
291 points[3].x = x + infoPtr->width_increment;
292 points[3].y = y + 0.5 * infoPtr->height_increment;
293
294 points[4].x = x + infoPtr->width_increment;
295 points[4].y = y + 0.9 * infoPtr->height_increment;
296 points[5].x = x + 0.6 * infoPtr->width_increment;
297 points[5].y = y + 0.9 * infoPtr->height_increment;
298 points[6].x = x + 0.5 * infoPtr->width_increment;
299 points[6].y = y + 0.9 * infoPtr->height_increment; /* bring the bottom up just
300 a hair to fit inside the day rectangle */
301
302 points[7].x = x + 0.2 * infoPtr->width_increment;
303 points[7].y = y + 0.8 * infoPtr->height_increment;
304 points[8].x = x + 0.1 * infoPtr->width_increment;
305 points[8].y = y + 0.8 * infoPtr->height_increment;
306 points[9].x = x;
307 points[9].y = y + 0.5 * infoPtr->height_increment;
308
309 points[10].x = x + 0.1 * infoPtr->width_increment;
310 points[10].y = y + 0.2 * infoPtr->height_increment;
311 points[11].x = x + 0.2 * infoPtr->width_increment;
312 points[11].y = y + 0.3 * infoPtr->height_increment;
313 points[12].x = x + 0.4 * infoPtr->width_increment;
314 points[12].y = y + 0.2 * infoPtr->height_increment;
315
316 PolyBezier(hdc, points, 13);
317 DeleteObject(hRedPen);
318 SelectObject(hdc, hOldPen2);
319 }
320
321
322 static void MONTHCAL_DrawDay(const MONTHCAL_INFO *infoPtr, HDC hdc, int day, int month,
323 int x, int y, int bold)
324 {
325 static const WCHAR fmtW[] = { '%','d',0 };
326 WCHAR buf[10];
327 RECT r;
328 static int haveBoldFont, haveSelectedDay = FALSE;
329 HBRUSH hbr;
330 COLORREF oldCol = 0;
331 COLORREF oldBk = 0;
332
333 wsprintfW(buf, fmtW, day);
334
335 /* No need to check styles: when selection is not valid, it is set to zero.
336 * 1<day<31, so everything is OK.
337 */
338
339 MONTHCAL_CalcDayRect(infoPtr, &r, x, y);
340
341 if((day>=infoPtr->minSel.wDay) && (day<=infoPtr->maxSel.wDay)
342 && (month==infoPtr->currentMonth)) {
343 HRGN hrgn;
344 RECT r2;
345
346 TRACE("%d %d %d\n",day, infoPtr->minSel.wDay, infoPtr->maxSel.wDay);
347 TRACE("%s\n", wine_dbgstr_rect(&r));
348 oldCol = SetTextColor(hdc, infoPtr->monthbk);
349 oldBk = SetBkColor(hdc, infoPtr->trailingtxt);
350 hbr = GetSysColorBrush(COLOR_GRAYTEXT);
351 hrgn = CreateEllipticRgn(r.left, r.top, r.right, r.bottom);
352 FillRgn(hdc, hrgn, hbr);
353
354 /* FIXME: this may need to be changed now b/c of the other
355 drawing changes 11/3/99 CMM */
356 r2.left = r.left - 0.25 * infoPtr->textWidth;
357 r2.top = r.top;
358 r2.right = r.left + 0.5 * infoPtr->textWidth;
359 r2.bottom = r.bottom;
360 if(haveSelectedDay) FillRect(hdc, &r2, hbr);
361 haveSelectedDay = TRUE;
362 } else {
363 haveSelectedDay = FALSE;
364 }
365
366 /* need to add some code for multiple selections */
367
368 if((bold) &&(!haveBoldFont)) {
369 SelectObject(hdc, infoPtr->hBoldFont);
370 haveBoldFont = TRUE;
371 }
372 if((!bold) &&(haveBoldFont)) {
373 SelectObject(hdc, infoPtr->hFont);
374 haveBoldFont = FALSE;
375 }
376
377 if(haveSelectedDay) {
378 SetTextColor(hdc, oldCol);
379 SetBkColor(hdc, oldBk);
380 }
381
382 SetBkMode(hdc,TRANSPARENT);
383 DrawTextW(hdc, buf, -1, &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE );
384
385 /* draw a rectangle around the currently selected days text */
386 if((day==infoPtr->curSelDay) && (month==infoPtr->currentMonth))
387 DrawFocusRect(hdc, &r);
388 }
389
390
391 static void paint_button (const MONTHCAL_INFO *infoPtr, HDC hdc, BOOL btnNext,
392 BOOL pressed, RECT* r)
393 {
394 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
395
396 if (theme)
397 {
398 static const int states[] = {
399 /* Prev button */
400 ABS_LEFTNORMAL, ABS_LEFTPRESSED, ABS_LEFTDISABLED,
401 /* Next button */
402 ABS_RIGHTNORMAL, ABS_RIGHTPRESSED, ABS_RIGHTDISABLED
403 };
404 int stateNum = btnNext ? 3 : 0;
405 if (pressed)
406 stateNum += 1;
407 else
408 {
409 DWORD dwStyle = GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE);
410 if (dwStyle & WS_DISABLED) stateNum += 2;
411 }
412 DrawThemeBackground (theme, hdc, SBP_ARROWBTN, states[stateNum], r, NULL);
413 }
414 else
415 {
416 int style = btnNext ? DFCS_SCROLLRIGHT : DFCS_SCROLLLEFT;
417 if (pressed)
418 style |= DFCS_PUSHED;
419 else
420 {
421 DWORD dwStyle = GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE);
422 if (dwStyle & WS_DISABLED) style |= DFCS_INACTIVE;
423 }
424
425 DrawFrameControl(hdc, r, DFC_SCROLL, style);
426 }
427 }
428
429
430 static void MONTHCAL_Refresh(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
431 {
432 static const WCHAR todayW[] = { 'T','o','d','a','y',':',0 };
433 static const WCHAR fmt1W[] = { '%','s',' ','%','l','d',0 };
434 static const WCHAR fmt2W[] = { '%','s',' ','%','s',0 };
435 static const WCHAR fmt3W[] = { '%','d',0 };
436 RECT *title=&infoPtr->title;
437 RECT *prev=&infoPtr->titlebtnprev;
438 RECT *next=&infoPtr->titlebtnnext;
439 RECT *titlemonth=&infoPtr->titlemonth;
440 RECT *titleyear=&infoPtr->titleyear;
441 RECT dayrect;
442 RECT *days=&dayrect;
443 RECT rtoday;
444 int i, j, m, mask, day, firstDay, weeknum, weeknum1,prevMonth;
445 int textHeight = infoPtr->textHeight;
446 SIZE size;
447 HBRUSH hbr;
448 HFONT currentFont;
449 WCHAR buf[20];
450 WCHAR buf1[20];
451 WCHAR buf2[32];
452 COLORREF oldTextColor, oldBkColor;
453 DWORD dwStyle = GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE);
454 RECT rcTemp;
455 RECT rcDay; /* used in MONTHCAL_CalcDayRect() */
456 SYSTEMTIME localtime;
457 int startofprescal;
458
459 oldTextColor = SetTextColor(hdc, GetSysColor(COLOR_WINDOWTEXT));
460
461 /* fill background */
462 hbr = CreateSolidBrush (infoPtr->bk);
463 FillRect(hdc, &ps->rcPaint, hbr);
464 DeleteObject(hbr);
465
466 /* draw header */
467 if(IntersectRect(&rcTemp, &(ps->rcPaint), title))
468 {
469 hbr = CreateSolidBrush(infoPtr->titlebk);
470 FillRect(hdc, title, hbr);
471 DeleteObject(hbr);
472 }
473
474 /* if the previous button is pressed draw it depressed */
475 if(IntersectRect(&rcTemp, &(ps->rcPaint), prev))
476 paint_button (infoPtr, hdc, FALSE, infoPtr->status & MC_PREVPRESSED, prev);
477
478 /* if next button is depressed draw it depressed */
479 if(IntersectRect(&rcTemp, &(ps->rcPaint), next))
480 paint_button (infoPtr, hdc, TRUE, infoPtr->status & MC_NEXTPRESSED, next);
481
482 oldBkColor = SetBkColor(hdc, infoPtr->titlebk);
483 SetTextColor(hdc, infoPtr->titletxt);
484 currentFont = SelectObject(hdc, infoPtr->hBoldFont);
485
486 GetLocaleInfoW( LOCALE_USER_DEFAULT,LOCALE_SMONTHNAME1+infoPtr->currentMonth -1,
487 buf1,countof(buf1));
488 wsprintfW(buf, fmt1W, buf1, infoPtr->currentYear);
489
490 if(IntersectRect(&rcTemp, &(ps->rcPaint), title))
491 {
492 DrawTextW(hdc, buf, strlenW(buf), title,
493 DT_CENTER | DT_VCENTER | DT_SINGLELINE);
494 }
495
496 /* titlemonth left/right contained rect for whole titletxt('June 1999')
497 * MCM_HitTestInfo wants month & year rects, so prepare these now.
498 *(no, we can't draw them separately; the whole text is centered)
499 */
500 GetTextExtentPoint32W(hdc, buf, strlenW(buf), &size);
501 titlemonth->left = title->right / 2 + title->left / 2 - size.cx / 2;
502 titleyear->right = title->right / 2 + title->left / 2 + size.cx / 2;
503 GetTextExtentPoint32W(hdc, buf1, strlenW(buf1), &size);
504 titlemonth->right = titlemonth->left + size.cx;
505 titleyear->left = titlemonth->right;
506
507 /* draw month area */
508 rcTemp.top=infoPtr->wdays.top;
509 rcTemp.left=infoPtr->wdays.left;
510 rcTemp.bottom=infoPtr->todayrect.bottom;
511 rcTemp.right =infoPtr->todayrect.right;
512 if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcTemp))
513 {
514 hbr = CreateSolidBrush(infoPtr->monthbk);
515 FillRect(hdc, &rcTemp, hbr);
516 DeleteObject(hbr);
517 }
518
519 /* draw line under day abbreviations */
520
521 MoveToEx(hdc, infoPtr->days.left + 3, title->bottom + textHeight + 1, NULL);
522 LineTo(hdc, infoPtr->days.right - 3, title->bottom + textHeight + 1);
523
524 prevMonth = infoPtr->currentMonth - 1;
525 if(prevMonth == 0) /* if currentMonth is january(1) prevMonth is */
526 prevMonth = 12; /* december(12) of the previous year */
527
528 infoPtr->wdays.left = infoPtr->days.left = infoPtr->weeknums.right;
529 /* draw day abbreviations */
530
531 SelectObject(hdc, infoPtr->hFont);
532 SetBkColor(hdc, infoPtr->monthbk);
533 SetTextColor(hdc, infoPtr->trailingtxt);
534
535 /* copy this rect so we can change the values without changing */
536 /* the original version */
537 days->left = infoPtr->wdays.left;
538 days->right = days->left + infoPtr->width_increment;
539 days->top = infoPtr->wdays.top;
540 days->bottom = infoPtr->wdays.bottom;
541
542 i = infoPtr->firstDay;
543
544 for(j=0; j<7; j++) {
545 GetLocaleInfoW( LOCALE_USER_DEFAULT,LOCALE_SABBREVDAYNAME1 + (i+j+6)%7, buf, countof(buf));
546 DrawTextW(hdc, buf, strlenW(buf), days, DT_CENTER | DT_VCENTER | DT_SINGLELINE );
547 days->left+=infoPtr->width_increment;
548 days->right+=infoPtr->width_increment;
549 }
550
551 /* draw day numbers; first, the previous month */
552
553 firstDay = MONTHCAL_CalculateDayOfWeek(1, infoPtr->currentMonth, infoPtr->currentYear);
554
555 day = MONTHCAL_MonthLength(prevMonth, infoPtr->currentYear) +
556 (infoPtr->firstDay + 7 - firstDay)%7 + 1;
557 if (day > MONTHCAL_MonthLength(prevMonth, infoPtr->currentYear))
558 day -=7;
559 startofprescal = day;
560 mask = 1<<(day-1);
561
562 i = 0;
563 m = 0;
564 while(day <= MONTHCAL_MonthLength(prevMonth, infoPtr->currentYear)) {
565 MONTHCAL_CalcDayRect(infoPtr, &rcDay, i, 0);
566 if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcDay))
567 {
568 MONTHCAL_DrawDay(infoPtr, hdc, day, prevMonth, i, 0,
569 infoPtr->monthdayState[m] & mask);
570 }
571
572 mask<<=1;
573 day++;
574 i++;
575 }
576
577 /* draw `current' month */
578
579 day = 1; /* start at the beginning of the current month */
580
581 infoPtr->firstDayplace = i;
582 SetTextColor(hdc, infoPtr->txt);
583 m++;
584 mask = 1;
585
586 /* draw the first week of the current month */
587 while(i<7) {
588 MONTHCAL_CalcDayRect(infoPtr, &rcDay, i, 0);
589 if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcDay))
590 {
591
592 MONTHCAL_DrawDay(infoPtr, hdc, day, infoPtr->currentMonth, i, 0,
593 infoPtr->monthdayState[m] & mask);
594
595 if((infoPtr->currentMonth==infoPtr->todaysDate.wMonth) &&
596 (day==infoPtr->todaysDate.wDay) &&
597 (infoPtr->currentYear == infoPtr->todaysDate.wYear)) {
598 if(!(dwStyle & MCS_NOTODAYCIRCLE))
599 MONTHCAL_CircleDay(infoPtr, hdc, day, infoPtr->currentMonth);
600 }
601 }
602
603 mask<<=1;
604 day++;
605 i++;
606 }
607
608 j = 1; /* move to the 2nd week of the current month */
609 i = 0; /* move back to sunday */
610 while(day <= MONTHCAL_MonthLength(infoPtr->currentMonth, infoPtr->currentYear)) {
611 MONTHCAL_CalcDayRect(infoPtr, &rcDay, i, j);
612 if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcDay))
613 {
614 MONTHCAL_DrawDay(infoPtr, hdc, day, infoPtr->currentMonth, i, j,
615 infoPtr->monthdayState[m] & mask);
616
617 if((infoPtr->currentMonth==infoPtr->todaysDate.wMonth) &&
618 (day==infoPtr->todaysDate.wDay) &&
619 (infoPtr->currentYear == infoPtr->todaysDate.wYear))
620 if(!(dwStyle & MCS_NOTODAYCIRCLE))
621 MONTHCAL_CircleDay(infoPtr, hdc, day, infoPtr->currentMonth);
622 }
623 mask<<=1;
624 day++;
625 i++;
626 if(i>6) { /* past saturday, goto the next weeks sunday */
627 i = 0;
628 j++;
629 }
630 }
631
632 /* draw `next' month */
633
634 day = 1; /* start at the first day of the next month */
635 m++;
636 mask = 1;
637
638 SetTextColor(hdc, infoPtr->trailingtxt);
639 while((i<7) &&(j<6)) {
640 MONTHCAL_CalcDayRect(infoPtr, &rcDay, i, j);
641 if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcDay))
642 {
643 MONTHCAL_DrawDay(infoPtr, hdc, day, infoPtr->currentMonth + 1, i, j,
644 infoPtr->monthdayState[m] & mask);
645 }
646
647 mask<<=1;
648 day++;
649 i++;
650 if(i==7) { /* past saturday, go to next week's sunday */
651 i = 0;
652 j++;
653 }
654 }
655 SetTextColor(hdc, infoPtr->txt);
656
657
658 /* draw `today' date if style allows it, and draw a circle before today's
659 * date if necessary */
660
661 if(!(dwStyle & MCS_NOTODAY)) {
662 if(!(dwStyle & MCS_NOTODAYCIRCLE)) {
663 /*day is the number of days from nextmonth we put on the calendar */
664 MONTHCAL_CircleDay(infoPtr, hdc,
665 day+MONTHCAL_MonthLength(infoPtr->currentMonth,infoPtr->currentYear),
666 infoPtr->currentMonth);
667 }
668 if (!LoadStringW(COMCTL32_hModule,IDM_TODAY,buf1,countof(buf1)))
669 {
670 WARN("Can't load resource\n");
671 strcpyW(buf1, todayW);
672 }
673 MONTHCAL_CalcDayRect(infoPtr, &rtoday, 1, 6);
674 MONTHCAL_CopyTime(&infoPtr->todaysDate,&localtime);
675 GetDateFormatW(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&localtime,NULL,buf2,countof(buf2));
676 wsprintfW(buf, fmt2W, buf1, buf2);
677 SelectObject(hdc, infoPtr->hBoldFont);
678
679 DrawTextW(hdc, buf, -1, &rtoday, DT_CALCRECT | DT_LEFT | DT_VCENTER | DT_SINGLELINE);
680 if(IntersectRect(&rcTemp, &(ps->rcPaint), &rtoday))
681 {
682 DrawTextW(hdc, buf, -1, &rtoday, DT_LEFT | DT_VCENTER | DT_SINGLELINE);
683 }
684 SelectObject(hdc, infoPtr->hFont);
685 }
686
687 /*eventually draw week numbers*/
688 if(dwStyle & MCS_WEEKNUMBERS) {
689 /* display weeknumbers*/
690 int mindays;
691
692 /* Rules what week to call the first week of a new year:
693 LOCALE_IFIRSTWEEKOFYEAR == 0 (e.g US?):
694 The week containing Jan 1 is the first week of year
695 LOCALE_IFIRSTWEEKOFYEAR == 2 (e.g. Germany):
696 First week of year must contain 4 days of the new year
697 LOCALE_IFIRSTWEEKOFYEAR == 1 (what contries?)
698 The first week of the year must contain only days of the new year
699 */
700 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IFIRSTWEEKOFYEAR, buf, countof(buf));
701 weeknum = atoiW(buf);
702 switch (weeknum)
703 {
704 case 1: mindays = 6;
705 break;
706 case 2: mindays = 3;
707 break;
708 case 0:
709 default:
710 mindays = 0;
711 }
712 if (infoPtr->currentMonth < 2)
713 {
714 /* calculate all those exceptions for january */
715 weeknum1=MONTHCAL_CalculateDayOfWeek(1,1,infoPtr->currentYear);
716 if ((infoPtr->firstDay +7 - weeknum1)%7 > mindays)
717 weeknum =1;
718 else
719 {
720 weeknum = 0;
721 for(i=0; i<11; i++)
722 weeknum+=MONTHCAL_MonthLength(i+1, infoPtr->currentYear-1);
723 weeknum +=startofprescal+ 7;
724 weeknum /=7;
725 weeknum1=MONTHCAL_CalculateDayOfWeek(1,1,infoPtr->currentYear-1);
726 if ((infoPtr->firstDay + 7 - weeknum1)%7 > mindays)
727 weeknum++;
728 }
729 }
730 else
731 {
732 weeknum = 0;
733 for(i=0; i<prevMonth-1; i++)
734 weeknum+=MONTHCAL_MonthLength(i+1, infoPtr->currentYear);
735 weeknum +=startofprescal+ 7;
736 weeknum /=7;
737 weeknum1=MONTHCAL_CalculateDayOfWeek(1,1,infoPtr->currentYear);
738 if ((infoPtr->firstDay + 7 - weeknum1)%7 > mindays)
739 weeknum++;
740 }
741 days->left = infoPtr->weeknums.left;
742 days->right = infoPtr->weeknums.right;
743 days->top = infoPtr->weeknums.top;
744 days->bottom = days->top +infoPtr->height_increment;
745 for(i=0; i<6; i++) {
746 if((i==0)&&(weeknum>50))
747 {
748 wsprintfW(buf, fmt3W, weeknum);
749 weeknum=0;
750 }
751 else if((i==5)&&(weeknum>47))
752 {
753 wsprintfW(buf, fmt3W, 1);
754 }
755 else
756 wsprintfW(buf, fmt3W, weeknum + i);
757 DrawTextW(hdc, buf, -1, days, DT_CENTER | DT_VCENTER | DT_SINGLELINE );
758 days->top+=infoPtr->height_increment;
759 days->bottom+=infoPtr->height_increment;
760 }
761
762 MoveToEx(hdc, infoPtr->weeknums.right, infoPtr->weeknums.top + 3 , NULL);
763 LineTo(hdc, infoPtr->weeknums.right, infoPtr->weeknums.bottom );
764
765 }
766 /* currentFont was font at entering Refresh */
767
768 SetBkColor(hdc, oldBkColor);
769 SelectObject(hdc, currentFont);
770 SetTextColor(hdc, oldTextColor);
771 }
772
773
774 static LRESULT
775 MONTHCAL_GetMinReqRect(const MONTHCAL_INFO *infoPtr, LPARAM lParam)
776 {
777 LPRECT lpRect = (LPRECT) lParam;
778
779 TRACE("rect %p\n", lpRect);
780
781 /* validate parameters */
782
783 if((infoPtr==NULL) ||(lpRect == NULL) ) return FALSE;
784
785 lpRect->left = infoPtr->title.left;
786 lpRect->top = infoPtr->title.top;
787 lpRect->right = infoPtr->title.right;
788 lpRect->bottom = infoPtr->todayrect.bottom;
789 AdjustWindowRect(lpRect, GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE), FALSE);
790
791 TRACE("%s\n", wine_dbgstr_rect(lpRect));
792
793 return TRUE;
794 }
795
796
797 static LRESULT
798 MONTHCAL_GetColor(const MONTHCAL_INFO *infoPtr, WPARAM wParam)
799 {
800 TRACE("\n");
801
802 switch((int)wParam) {
803 case MCSC_BACKGROUND:
804 return infoPtr->bk;
805 case MCSC_TEXT:
806 return infoPtr->txt;
807 case MCSC_TITLEBK:
808 return infoPtr->titlebk;
809 case MCSC_TITLETEXT:
810 return infoPtr->titletxt;
811 case MCSC_MONTHBK:
812 return infoPtr->monthbk;
813 case MCSC_TRAILINGTEXT:
814 return infoPtr->trailingtxt;
815 }
816
817 return -1;
818 }
819
820
821 static LRESULT
822 MONTHCAL_SetColor(MONTHCAL_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
823 {
824 int prev = -1;
825
826 TRACE("%ld: color %08lx\n", wParam, lParam);
827
828 switch((int)wParam) {
829 case MCSC_BACKGROUND:
830 prev = infoPtr->bk;
831 infoPtr->bk = (COLORREF)lParam;
832 break;
833 case MCSC_TEXT:
834 prev = infoPtr->txt;
835 infoPtr->txt = (COLORREF)lParam;
836 break;
837 case MCSC_TITLEBK:
838 prev = infoPtr->titlebk;
839 infoPtr->titlebk = (COLORREF)lParam;
840 break;
841 case MCSC_TITLETEXT:
842 prev=infoPtr->titletxt;
843 infoPtr->titletxt = (COLORREF)lParam;
844 break;
845 case MCSC_MONTHBK:
846 prev = infoPtr->monthbk;
847 infoPtr->monthbk = (COLORREF)lParam;
848 break;
849 case MCSC_TRAILINGTEXT:
850 prev = infoPtr->trailingtxt;
851 infoPtr->trailingtxt = (COLORREF)lParam;
852 break;
853 }
854
855 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
856 return prev;
857 }
858
859
860 static LRESULT
861 MONTHCAL_GetMonthDelta(const MONTHCAL_INFO *infoPtr)
862 {
863 TRACE("\n");
864
865 if(infoPtr->delta)
866 return infoPtr->delta;
867 else
868 return infoPtr->visible;
869 }
870
871
872 static LRESULT
873 MONTHCAL_SetMonthDelta(MONTHCAL_INFO *infoPtr, WPARAM wParam)
874 {
875 int prev = infoPtr->delta;
876
877 TRACE("delta %ld\n", wParam);
878
879 infoPtr->delta = (int)wParam;
880 return prev;
881 }
882
883
884 static LRESULT
885 MONTHCAL_GetFirstDayOfWeek(const MONTHCAL_INFO *infoPtr)
886 {
887 return MAKELONG(infoPtr->firstDay, infoPtr->firstDayHighWord);
888 }
889
890
891 /* sets the first day of the week that will appear in the control */
892 /* 0 == Sunday, 6 == Saturday */
893 /* FIXME: this needs to be implemented properly in MONTHCAL_Refresh() */
894 /* FIXME: we need more error checking here */
895 static LRESULT
896 MONTHCAL_SetFirstDayOfWeek(MONTHCAL_INFO *infoPtr, LPARAM lParam)
897 {
898 int prev = MAKELONG(infoPtr->firstDay, infoPtr->firstDayHighWord);
899 int localFirstDay;
900 WCHAR buf[40];
901
902 TRACE("day %ld\n", lParam);
903
904 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IFIRSTDAYOFWEEK, buf, countof(buf));
905 TRACE("%s %d\n", debugstr_w(buf), strlenW(buf));
906
907 localFirstDay = atoiW(buf);
908
909 if(lParam == -1)
910 {
911 infoPtr->firstDay = localFirstDay;
912 infoPtr->firstDayHighWord = FALSE;
913 }
914 else if(lParam >= 7)
915 {
916 infoPtr->firstDay = localFirstDay;
917 infoPtr->firstDayHighWord = TRUE;
918 }
919 else
920 {
921 infoPtr->firstDay = lParam;
922 infoPtr->firstDayHighWord = TRUE;
923 }
924
925 return prev;
926 }
927
928
929 static LRESULT
930 MONTHCAL_GetMonthRange(const MONTHCAL_INFO *infoPtr)
931 {
932 TRACE("\n");
933
934 return infoPtr->monthRange;
935 }
936
937
938 static LRESULT
939 MONTHCAL_GetMaxTodayWidth(const MONTHCAL_INFO *infoPtr)
940 {
941 return(infoPtr->todayrect.right - infoPtr->todayrect.left);
942 }
943
944
945 static LRESULT
946 MONTHCAL_SetRange(MONTHCAL_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
947 {
948 SYSTEMTIME *lprgSysTimeArray=(SYSTEMTIME *)lParam;
949 FILETIME ft_min, ft_max;
950
951 TRACE("%lx %lx\n", wParam, lParam);
952
953 if ((wParam & GDTR_MIN && !MONTHCAL_ValidateTime(lprgSysTimeArray[0])) ||
954 (wParam & GDTR_MAX && !MONTHCAL_ValidateTime(lprgSysTimeArray[1])))
955 return FALSE;
956
957 if (wParam & GDTR_MIN)
958 {
959 MONTHCAL_CopyTime(&lprgSysTimeArray[0], &infoPtr->minDate);
960 infoPtr->rangeValid |= GDTR_MIN;
961 }
962 if (wParam & GDTR_MAX)
963 {
964