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comctl32/monthcal: Fix the way a first day of week is handled.

This commit is contained in:
Nikolay Sivov 2009-10-08 00:45:05 +04:00 committed by Alexandre Julliard
parent bd58b130ba
commit c8f35a136d
3 changed files with 54 additions and 30 deletions
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2
dlls/comctl32/comctl32.h
View File

@ -231,7 +231,7 @@ extern void UPDOWN_Unregister(void);
int MONTHCAL_MonthLength(int month, int year);
int MONTHCAL_CalculateDayOfWeek(DWORD day, DWORD month, DWORD year);
int MONTHCAL_CalculateDayOfWeek(WORD day, WORD month, WORD year);
extern void THEMING_Initialize(void);
extern void THEMING_Uninitialize(void);

2
dlls/comctl32/datetime.c
View File

@ -88,7 +88,7 @@ typedef struct
/* in monthcal.c */
extern int MONTHCAL_MonthLength(int month, int year);
extern int MONTHCAL_CalculateDayOfWeek(DWORD day, DWORD month, DWORD year);
extern int MONTHCAL_CalculateDayOfWeek(WORD day, WORD month, WORD year);
/* this list of defines is closely related to `allowedformatchars' defined
* in datetime.c; the high nibble indicates the `base type' of the format

80
dlls/comctl32/monthcal.c
View File

@ -97,8 +97,10 @@ typedef struct
INT delta; /* scroll rate; # of months that the */
/* control moves when user clicks a scroll button */
int visible; /* # of months visible */
int firstDay; /* Start month calendar with firstDay's day */
int firstDayHighWord; /* High word only used externally */
int firstDay; /* Start month calendar with firstDay's day,
stored in SYSTEMTIME format */
BOOL firstDaySet; /* first week day differs from locale defined */
int monthRange;
MONTHDAYSTATE *monthdayState;
SYSTEMTIME todaysDate;
@ -177,10 +179,12 @@ static inline void MONTHCAL_NotifySelect(const MONTHCAL_INFO *infoPtr)
int MONTHCAL_MonthLength(int month, int year)
{
const int mdays[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0};
/*Wrap around, this eases handling*/
/* Wrap around, this eases handling. Getting length only we shouldn't care
about year change here cause January and December have
the same day quantity */
if(month == 0)
month = 12;
if(month == 13)
else if(month == 13)
month = 1;
/* if we have a leap year add 1 day to February */
@ -372,9 +376,17 @@ static void MONTHCAL_CopyDate(const SYSTEMTIME *from, SYSTEMTIME *to)
0 = Sunday.
*/
/* returns the day in the week(0 == sunday, 6 == saturday) */
/* day(1 == 1st, 2 == 2nd... etc), year is the year value */
int MONTHCAL_CalculateDayOfWeek(DWORD day, DWORD month, DWORD year)
/* Returns the day in the week
*
* PARAMETERS
* [i] day : day of month [1, 31]
* [I] month : month number [1, 12]
* [I] year : year value
*
* RETURN VALUE
* day of week in SYSTEMTIME format: (0 == sunday,..., 6 == saturday)
*/
int MONTHCAL_CalculateDayOfWeek(WORD day, WORD month, WORD year)
{
year-=(month < 3);
@ -751,14 +763,14 @@ static void MONTHCAL_Refresh(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT
dayrect.right += infoPtr->width_increment;
}
/* draw day numbers; first, the previous month */
/* draw day numbers; first, the previous month */
firstDay = MONTHCAL_CalculateDayOfWeek(1, infoPtr->curSel.wMonth, infoPtr->curSel.wYear);
day = MONTHCAL_MonthLength(prevMonth, infoPtr->curSel.wYear) +
(infoPtr->firstDay + 7 - firstDay)%7 + 1;
day = MONTHCAL_MonthLength(prevMonth, infoPtr->curSel.wYear) +
(infoPtr->firstDay - firstDay)%7 + 1;
if (day > MONTHCAL_MonthLength(prevMonth, infoPtr->curSel.wYear))
day -=7;
day -= 7;
startofprescal = day;
mask = 1<<(day-1);
@ -921,7 +933,7 @@ static void MONTHCAL_Refresh(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT
{
/* calculate all those exceptions for january */
weeknum1 = MONTHCAL_CalculateDayOfWeek(1, 1, infoPtr->curSel.wYear);
if ((infoPtr->firstDay + 7 - weeknum1) % 7 > mindays)
if ((infoPtr->firstDay - weeknum1) % 7 > mindays)
weeknum = 1;
else
{
@ -932,7 +944,7 @@ static void MONTHCAL_Refresh(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT
weeknum += startofprescal + 7;
weeknum /= 7;
weeknum1 = MONTHCAL_CalculateDayOfWeek(1, 1, infoPtr->curSel.wYear - 1);
if ((infoPtr->firstDay + 7 - weeknum1) % 7 > mindays) weeknum++;
if ((infoPtr->firstDay - weeknum1) % 7 > mindays) weeknum++;
}
}
else
@ -944,7 +956,7 @@ static void MONTHCAL_Refresh(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT
weeknum += startofprescal + 7;
weeknum /= 7;
weeknum1 = MONTHCAL_CalculateDayOfWeek(1, 1, infoPtr->curSel.wYear);
if ((infoPtr->firstDay + 7 - weeknum1) % 7 > mindays) weeknum++;
if ((infoPtr->firstDay - weeknum1) % 7 > mindays) weeknum++;
}
dayrect = infoPtr->weeknums;
@ -1089,10 +1101,15 @@ MONTHCAL_SetMonthDelta(MONTHCAL_INFO *infoPtr, INT delta)
}
static LRESULT
static inline LRESULT
MONTHCAL_GetFirstDayOfWeek(const MONTHCAL_INFO *infoPtr)
{
return MAKELONG(infoPtr->firstDay, infoPtr->firstDayHighWord);
int day;
/* convert from SYSTEMTIME to locale format */
day = (infoPtr->firstDay >= 0) ? (infoPtr->firstDay+6)%7 : infoPtr->firstDay;
return MAKELONG(day, infoPtr->firstDaySet);
}
@ -1115,34 +1132,42 @@ MONTHCAL_GetFirstDayOfWeek(const MONTHCAL_INFO *infoPtr)
static LRESULT
MONTHCAL_SetFirstDayOfWeek(MONTHCAL_INFO *infoPtr, INT day)
{
int prev = MAKELONG(infoPtr->firstDay, infoPtr->firstDayHighWord);
LRESULT prev = MONTHCAL_GetFirstDayOfWeek(infoPtr);
int new_day;
TRACE("day %d\n", day);
TRACE("%d\n", day);
if(day == -1)
{
int localFirstDay;
WCHAR buf[80];
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IFIRSTDAYOFWEEK, buf, countof(buf));
TRACE("%s %d\n", debugstr_w(buf), strlenW(buf));
localFirstDay = atoiW(buf);
new_day = atoiW(buf);
infoPtr->firstDay = localFirstDay;
infoPtr->firstDayHighWord = FALSE;
infoPtr->firstDaySet = FALSE;
}
else if(day >= 7)
{
infoPtr->firstDay = 6; /* max first day allowed */
infoPtr->firstDayHighWord = TRUE;
new_day = 6; /* max first day allowed */
infoPtr->firstDaySet = TRUE;
}
else
{
infoPtr->firstDay = day;
infoPtr->firstDayHighWord = TRUE;
/* Native behaviour for that case is broken: invalid date number >31
got displayed at (0,0) position, current month starts always from
(1,0) position. Should be implemnted here as well. */
if (day < -1)
FIXME("No bug compatibility for day=%d\n", day);
new_day = day;
infoPtr->firstDaySet = TRUE;
}
/* convert from locale to SYSTEMTIME format */
infoPtr->firstDay = (new_day >= 0) ? (++new_day) % 7 : new_day;
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
return prev;
@ -2248,7 +2273,6 @@ MONTHCAL_Create(HWND hwnd, LPCREATESTRUCTW lpcs)
/* FIXME: calculate systemtime ->> localtime(substract timezoneinfo) */
GetLocalTime(&infoPtr->todaysDate);
infoPtr->firstDayHighWord = FALSE;
MONTHCAL_SetFirstDayOfWeek(infoPtr, -1);
infoPtr->maxSelCount = (infoPtr->dwStyle & MCS_MULTISELECT) ? 7 : 1;