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comctl32/monthcal: Check date limits on prev/next month buttons and year UpDown control.

This commit is contained in:
Nikolay Sivov 2009-10-05 22:37:04 +04:00 committed by Alexandre Julliard
parent b8e0a33455
commit 42733f980b
1 changed files with 13 additions and 31 deletions
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44
dlls/comctl32/monthcal.c
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@ -132,6 +132,10 @@ static const WCHAR themeClass[] = { 'S','c','r','o','l','l','b','a','r',0 };
/* empty SYSTEMTIME const */
static const SYSTEMTIME st_null;
/* valid date limits */
static const SYSTEMTIME max_allowed_date = { .wYear = 9999, .wMonth = 12, .wDay = 31 };
static const SYSTEMTIME min_allowed_date = { .wYear = 1752, .wMonth = 9, .wDay = 14 };
#define MONTHCAL_GetInfoPtr(hwnd) ((MONTHCAL_INFO *)GetWindowLongPtrW(hwnd, 0))
@ -244,11 +248,8 @@ static LONG MONTHCAL_CompareSystemTime(const SYSTEMTIME *first, const SYSTEMTIME
*/
static BOOL MONTHCAL_IsDateInValidRange(const MONTHCAL_INFO *infoPtr, const SYSTEMTIME *date)
{
static const SYSTEMTIME max_date = { .wYear = 9999, .wMonth = 12, .wDay = 31 };
static const SYSTEMTIME min_date = { .wYear = 1752, .wMonth = 9, .wDay = 14 };
if((MONTHCAL_CompareSystemTime(date, &max_date) == 1) ||
(MONTHCAL_CompareSystemTime(date, &min_date) == -1)) return FALSE;
if((MONTHCAL_CompareSystemTime(date, &max_allowed_date) == 1) ||
(MONTHCAL_CompareSystemTime(date, &min_allowed_date) == -1)) return FALSE;
if(infoPtr->rangeValid & GDTR_MAX) {
if((MONTHCAL_CompareSystemTime(date, &infoPtr->maxSel) == 1)) return FALSE;
@ -1194,12 +1195,10 @@ MONTHCAL_SetRange(MONTHCAL_INFO *infoPtr, SHORT limits, SYSTEMTIME *range)
}
else
{
static const SYSTEMTIME zero;
/* reset the other limit */
if (limits & GDTR_MIN) infoPtr->maxDate = zero;
if (limits & GDTR_MAX) infoPtr->minDate = zero;
infoPtr->rangeValid &= limits & GDTR_MIN ? ~GDTR_MAX : ~GDTR_MIN ;
if (limits & GDTR_MIN) infoPtr->maxDate = st_null;
if (limits & GDTR_MAX) infoPtr->minDate = st_null;
infoPtr->rangeValid &= limits & GDTR_MIN ? ~GDTR_MAX : ~GDTR_MIN;
}
}
@ -1554,16 +1553,7 @@ static void MONTHCAL_GoToNextMonth(MONTHCAL_INFO *infoPtr)
next.wMonth = 1;
}
/* prevent max range exceeding */
if(infoPtr->rangeValid & GDTR_MAX)
{
FILETIME ft_next, ft_max;
SystemTimeToFileTime(&infoPtr->maxDate, &ft_max);
SystemTimeToFileTime(&next, &ft_next);
if (CompareFileTime(&ft_next, &ft_max) > 0) return;
}
if(!MONTHCAL_IsDateInValidRange(infoPtr, &next)) return;
infoPtr->curSel = next;
@ -1583,16 +1573,7 @@ static void MONTHCAL_GoToPrevMonth(MONTHCAL_INFO *infoPtr)
prev.wMonth = 12;
}
/* prevent min range exceeding */
if(infoPtr->rangeValid & GDTR_MIN)
{
FILETIME ft_prev, ft_min;
SystemTimeToFileTime(&infoPtr->minDate, &ft_min);
SystemTimeToFileTime(&prev, &ft_prev);
if (CompareFileTime(&ft_prev, &ft_min) < 0) return;
}
if(!MONTHCAL_IsDateInValidRange(infoPtr, &prev)) return;
infoPtr->curSel = prev;
@ -1651,7 +1632,8 @@ static void MONTHCAL_EditYear(MONTHCAL_INFO *infoPtr)
NULL, NULL, NULL);
/* attach edit box */
SendMessageW(infoPtr->hWndYearUpDown, UDM_SETRANGE, 0, MAKELONG(9999, 1753));
SendMessageW(infoPtr->hWndYearUpDown, UDM_SETRANGE, 0,
MAKELONG(max_allowed_date.wYear, min_allowed_date.wYear));
SendMessageW(infoPtr->hWndYearUpDown, UDM_SETBUDDY, (WPARAM)infoPtr->hWndYearEdit, 0);
SendMessageW(infoPtr->hWndYearUpDown, UDM_SETPOS, 0, infoPtr->curSel.wYear);
}