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comctl32/monthcal: Use true date comparison on multiselection, not only the day is valuable.

This commit is contained in:
Nikolay Sivov 2009-10-04 23:17:07 +04:00 committed by Alexandre Julliard
parent 1ebf42751e
commit 480f54b140
1 changed files with 98 additions and 35 deletions
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133
dlls/comctl32/monthcal.c
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@ -71,6 +71,9 @@ WINE_DEFAULT_DEBUG_CHANNEL(monthcal);
#define countof(arr) (sizeof(arr)/sizeof(arr[0]))
/* convert from days to 100 nanoseconds unit - used as FILETIME unit */
#define DAYSTO100NSECS(days) (((ULONGLONG)(days))*24*60*60*10000000)
typedef struct
{
HWND hwndSelf;
@ -97,7 +100,7 @@ typedef struct
MONTHDAYSTATE *monthdayState;
SYSTEMTIME todaysDate;
int status; /* See MC_SEL flags */
int firstSelDay; /* first selected day */
SYSTEMTIME firstSel; /* first selected day */
INT maxSelCount;
SYSTEMTIME minSel;
SYSTEMTIME maxSel;
@ -1108,7 +1111,6 @@ MONTHCAL_GetCurSel(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *curSel)
}
/* FIXME: if the specified date is not visible, make it visible */
/* FIXME: redraw? */
static LRESULT
MONTHCAL_SetCurSel(MONTHCAL_INFO *infoPtr, SYSTEMTIME *curSel)
{
@ -1126,6 +1128,7 @@ MONTHCAL_SetCurSel(MONTHCAL_INFO *infoPtr, SYSTEMTIME *curSel)
infoPtr->curSel = *curSel;
/* FIXME: it's possible to reduce rectangle here */
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
return TRUE;
@ -1181,15 +1184,28 @@ MONTHCAL_SetSelRange(MONTHCAL_INFO *infoPtr, SYSTEMTIME *range)
if(infoPtr->dwStyle & MCS_MULTISELECT)
{
SYSTEMTIME old_range[2];
/* adjust timestamps */
if(!MONTHCAL_ValidateTime(&range[0]))
MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[0]);
if(!MONTHCAL_ValidateTime(&range[1]))
MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[1]);
old_range[0] = infoPtr->minSel;
old_range[1] = infoPtr->maxSel;
infoPtr->minSel = range[0];
infoPtr->maxSel = range[1];
/* redraw if bounds changed */
/* FIXME: no actual need to redraw everything */
if(!MONTHCAL_IsDateEqual(&old_range[0], &range[0]) ||
!MONTHCAL_IsDateEqual(&old_range[1], &range[1]))
{
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
}
TRACE("[min,max]=[%d %d]\n", infoPtr->minSel.wDay, infoPtr->maxSel.wDay);
return TRUE;
}
@ -1566,7 +1582,7 @@ MONTHCAL_LButtonDown(MONTHCAL_INFO *infoPtr, LPARAM lParam)
}
case MCHT_TODAYLINK:
{
infoPtr->firstSelDay = infoPtr->todaysDate.wDay;
infoPtr->firstSel = infoPtr->todaysDate;
infoPtr->curSel = infoPtr->todaysDate;
infoPtr->minSel = infoPtr->todaysDate;
infoPtr->maxSel = infoPtr->todaysDate;
@ -1580,7 +1596,18 @@ MONTHCAL_LButtonDown(MONTHCAL_INFO *infoPtr, LPARAM lParam)
case MCHT_CALENDARDATEPREV:
case MCHT_CALENDARDATE:
{
infoPtr->firstSelDay = ht.st.wDay;
infoPtr->firstSel = ht.st;
if(infoPtr->dwStyle & MCS_MULTISELECT)
{
SYSTEMTIME st[2];
st[0] = st[1] = ht.st;
/* clear selection range */
MONTHCAL_SetSelRange(infoPtr, st);
}
infoPtr->status = MC_SEL_LBUTDOWN;
MONTHCAL_SetDayFocus(infoPtr, &ht.st);
return 0;
@ -1634,12 +1661,17 @@ MONTHCAL_LButtonUp(MONTHCAL_INFO *infoPtr, LPARAM lParam)
(hit == MCHT_CALENDARDATEPREV) ||
(hit == MCHT_CALENDARDATE))
{
SYSTEMTIME st[2], sel = infoPtr->curSel;
SYSTEMTIME sel = infoPtr->curSel;
st[0] = st[1] = ht.st;
MONTHCAL_SetSelRange(infoPtr, st);
/* will be invalidated here */
MONTHCAL_SetCurSel(infoPtr, &st[0]);
if(!(infoPtr->dwStyle & MCS_MULTISELECT))
{
SYSTEMTIME st[2];
st[0] = st[1] = ht.st;
MONTHCAL_SetSelRange(infoPtr, st);
/* will be invalidated here */
MONTHCAL_SetCurSel(infoPtr, &st[0]);
}
/* send MCN_SELCHANGE only if new date selected */
if (!MONTHCAL_IsDateEqual(&sel, &ht.st))
@ -1691,8 +1723,8 @@ static LRESULT
MONTHCAL_MouseMove(MONTHCAL_INFO *infoPtr, LPARAM lParam)
{
MCHITTESTINFO ht;
SYSTEMTIME old_focused;
int selday, hit;
SYSTEMTIME old_focused, st_ht;
INT hit;
RECT r;
if(!(infoPtr->status & MC_SEL_LBUTDOWN)) return 0;
@ -1711,47 +1743,78 @@ MONTHCAL_MouseMove(MONTHCAL_INFO *infoPtr, LPARAM lParam)
return 0;
}
selday = ht.st.wDay;
st_ht = ht.st;
old_focused = infoPtr->focusedSel;
MONTHCAL_SetDayFocus(infoPtr, &ht.st);
MONTHCAL_CalcPosFromDay(infoPtr, ht.st.wDay, ht.st.wMonth, &r);
if(infoPtr->dwStyle & MCS_MULTISELECT) {
SYSTEMTIME selArray[2];
SYSTEMTIME st[2];
FILETIME ft_ht, ft_first;
ULARGE_INTEGER ul_ht, ul_first, ul_diff;
int i;
LONG cmp;
MONTHCAL_GetSelRange(infoPtr, selArray);
i = 0;
if(infoPtr->firstSelDay==selArray[0].wDay) i=1;
TRACE("oldRange:%d %d %d %d\n", infoPtr->firstSelDay, selArray[0].wDay, selArray[1].wDay, i);
if(infoPtr->firstSelDay==selArray[1].wDay) {
/* 1st time we get here: selArray[0]=selArray[1]) */
/* if we're still at the first selected date, return */
if(infoPtr->firstSelDay==selday) goto done;
if(selday<infoPtr->firstSelDay) i = 0;
MONTHCAL_GetSelRange(infoPtr, st);
i = MONTHCAL_IsDateEqual(&infoPtr->firstSel, &st[0]) ? 1 : 0;
SystemTimeToFileTime(&st_ht, &ft_ht);
SystemTimeToFileTime(&infoPtr->firstSel, &ft_first);
cmp = CompareFileTime(&ft_ht, &ft_first);
if(MONTHCAL_IsDateEqual(&infoPtr->firstSel, &st[1])) {
/* If we're still at the first selected date and range is empty, return.
If range isn't empty we should change range to a singel firstSel */
if(MONTHCAL_IsDateEqual(&infoPtr->firstSel, &st_ht) &&
MONTHCAL_IsDateEqual(&st[0], &st[1])) goto done;
/* new selected date is earlier */
if(cmp == -1) i = 0;
}
if(abs(infoPtr->firstSelDay - selday) >= infoPtr->maxSelCount) {
if(selday>infoPtr->firstSelDay)
selday = infoPtr->firstSelDay + infoPtr->maxSelCount;
ul_ht.LowPart = ft_ht.dwLowDateTime;
ul_ht.HighPart = ft_ht.dwHighDateTime;
ul_first.LowPart = ft_first.dwLowDateTime;
ul_first.HighPart = ft_first.dwHighDateTime;
/* new selected date is later */
if(cmp == 1)
ul_diff.QuadPart = ul_ht.QuadPart - ul_first.QuadPart;
else
ul_diff.QuadPart = -ul_ht.QuadPart + ul_first.QuadPart;
if(ul_diff.QuadPart >= DAYSTO100NSECS(infoPtr->maxSelCount)) {
if(cmp == 1)
ul_ht.QuadPart = ul_first.QuadPart + DAYSTO100NSECS(infoPtr->maxSelCount - 1);
else
selday = infoPtr->firstSelDay - infoPtr->maxSelCount;
ul_ht.QuadPart = ul_first.QuadPart - DAYSTO100NSECS(infoPtr->maxSelCount - 1);
ft_ht.dwLowDateTime = ul_ht.LowPart;
ft_ht.dwHighDateTime = ul_ht.HighPart;
FileTimeToSystemTime(&ft_ht, &st_ht);
}
if(selArray[i].wDay!=selday) {
TRACE("newRange:%d %d %d %d\n", infoPtr->firstSelDay, selArray[0].wDay, selArray[1].wDay, i);
if(!MONTHCAL_IsDateEqual(&st[i], &st_ht)) {
FILETIME ft_range0, ft_range1;
selArray[i].wDay = selday;
st[i] = st_ht;
if(selArray[0].wDay>selArray[1].wDay) {
DWORD tempday;
tempday = selArray[1].wDay;
selArray[1].wDay = selArray[0].wDay;
selArray[0].wDay = tempday;
SystemTimeToFileTime(&st[0], &ft_range0);
SystemTimeToFileTime(&st[1], &ft_range1);
/* swap bounds if needed */
if(CompareFileTime(&ft_range0, &ft_range1) == 1) {
SYSTEMTIME swap = st[1];
st[1] = st[0];
st[0] = swap;
}
MONTHCAL_SetSelRange(infoPtr, selArray);
MONTHCAL_CopyTime(&infoPtr->todaysDate, &st[0]);
MONTHCAL_CopyTime(&infoPtr->todaysDate, &st[1]);
MONTHCAL_SetSelRange(infoPtr, st);
}
}