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comctl32: Validate text entered in a datetime by the user.

This commit is contained in:
Vincent Povirk 2011-03-09 15:30:54 -06:00 committed by Alexandre Julliard
parent 7b0a3128fb
commit 08a4c8611b
1 changed files with 106 additions and 82 deletions
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188
dlls/comctl32/datetime.c
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@ -73,6 +73,8 @@ typedef struct
BOOL bCalDepressed; /* TRUE = cal button is depressed */
int bDropdownEnabled;
int select;
WCHAR charsEntered[4];
int nCharsEntered;
HFONT hFont;
int nrFieldsAllocated;
int nrFields;
@ -697,6 +699,13 @@ DATETIME_Refresh (DATETIME_INFO *infoPtr, HDC hdc)
/* fill if focused */
HBRUSH hbr = CreateSolidBrush (comctl32_color.clrActiveCaption);
if (infoPtr->nCharsEntered)
{
memcpy(txt, infoPtr->charsEntered, infoPtr->nCharsEntered * sizeof(WCHAR));
txt[infoPtr->nCharsEntered] = 0;
GetTextExtentPoint32W (hdc, txt, strlenW(txt), &size);
}
selection.left = 0;
selection.top = 0;
selection.right = size.cx;
@ -756,6 +765,68 @@ static int DATETIME_GetPrevDateField(const DATETIME_INFO *infoPtr, int i)
return -1;
}
static void
DATETIME_ApplySelectedField (DATETIME_INFO *infoPtr)
{
int fieldNum = infoPtr->select & DTHT_DATEFIELD;
int i, val=0;
SYSTEMTIME date = infoPtr->date;
if (infoPtr->select == -1 || infoPtr->nCharsEntered == 0)
return;
for (i=0; i<infoPtr->nCharsEntered; i++)
val = val * 10 + infoPtr->charsEntered[i] - '0';
infoPtr->nCharsEntered = 0;
switch (infoPtr->fieldspec[fieldNum]) {
case ONEDIGITYEAR:
case TWODIGITYEAR:
date.wYear = date.wYear - (date.wYear%100) + val;
break;
case INVALIDFULLYEAR:
case FULLYEAR:
date.wYear = val;
break;
case ONEDIGITMONTH:
case TWODIGITMONTH:
date.wMonth = val;
break;
case ONEDIGITDAY:
case TWODIGITDAY:
date.wDay = val;
break;
case ONEDIGIT12HOUR:
case TWODIGIT12HOUR:
case ONEDIGIT24HOUR:
case TWODIGIT24HOUR:
/* FIXME: Preserve AM/PM for 12HOUR? */
date.wHour = val;
break;
case ONEDIGITMINUTE:
case TWODIGITMINUTE:
date.wMinute = val;
break;
case ONEDIGITSECOND:
case TWODIGITSECOND:
date.wSecond = val;
break;
}
if (DATETIME_SetSystemTime(infoPtr, GDT_VALID, &date))
DATETIME_SendDateTimeChangeNotify (infoPtr);
}
static void
DATETIME_SetSelectedField (DATETIME_INFO *infoPtr, int select)
{
DATETIME_ApplySelectedField(infoPtr);
infoPtr->select = select;
infoPtr->nCharsEntered = 0;
}
static LRESULT
DATETIME_LButtonDown (DATETIME_INFO *infoPtr, INT x, INT y)
{
@ -784,7 +855,8 @@ DATETIME_LButtonDown (DATETIME_INFO *infoPtr, INT x, INT y)
if (infoPtr->fieldspec[new] == FULLDAY) return 0;
}
}
infoPtr->select = new;
DATETIME_SetSelectedField(infoPtr, new);
if (infoPtr->select == DTHT_MCPOPUP) {
RECT rcMonthCal;
@ -962,6 +1034,7 @@ DATETIME_KeyDown (DATETIME_INFO *infoPtr, DWORD vkCode)
{
int fieldNum = infoPtr->select & DTHT_DATEFIELD;
int wrap = 0;
int new;
if (!(infoPtr->haveFocus)) return 0;
if ((fieldNum==0) && (infoPtr->select)) return 0;
@ -973,40 +1046,50 @@ DATETIME_KeyDown (DATETIME_INFO *infoPtr, DWORD vkCode)
switch (vkCode) {
case VK_ADD:
case VK_UP:
infoPtr->nCharsEntered = 0;
DATETIME_IncreaseField (infoPtr, fieldNum, 1);
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case VK_SUBTRACT:
case VK_DOWN:
infoPtr->nCharsEntered = 0;
DATETIME_IncreaseField (infoPtr, fieldNum, -1);
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case VK_HOME:
infoPtr->nCharsEntered = 0;
DATETIME_IncreaseField (infoPtr, fieldNum, INT_MIN);
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case VK_END:
infoPtr->nCharsEntered = 0;
DATETIME_IncreaseField (infoPtr, fieldNum, INT_MAX);
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case VK_LEFT:
new = infoPtr->select;
do {
if (infoPtr->select == 0) {
infoPtr->select = infoPtr->nrFields - 1;
if (new == 0) {
new = new - 1;
wrap++;
} else {
infoPtr->select--;
new--;
}
} while ((infoPtr->fieldspec[infoPtr->select] & DT_STRING) && (wrap<2));
} while ((infoPtr->fieldspec[new] & DT_STRING) && (wrap<2));
if (new != infoPtr->select)
DATETIME_SetSelectedField(infoPtr, new);
break;
case VK_RIGHT:
new = infoPtr->select;
do {
infoPtr->select++;
if (infoPtr->select==infoPtr->nrFields) {
infoPtr->select = 0;
new++;
if (new==infoPtr->nrFields) {
new = 0;
wrap++;
}
} while ((infoPtr->fieldspec[infoPtr->select] & DT_STRING) && (wrap<2));
} while ((infoPtr->fieldspec[new] & DT_STRING) && (wrap<2));
if (new != infoPtr->select)
DATETIME_SetSelectedField(infoPtr, new);
break;
}
@ -1022,80 +1105,20 @@ DATETIME_Char (DATETIME_INFO *infoPtr, WPARAM vkCode)
int fieldNum = infoPtr->select & DTHT_DATEFIELD;
if (vkCode >= '0' && vkCode <= '9') {
int num = vkCode-'0';
int newDays;
int maxChars;
int fieldSpec;
/* this is a somewhat simplified version of what Windows does */
SYSTEMTIME *date = &infoPtr->date;
switch (infoPtr->fieldspec[fieldNum]) {
case ONEDIGITYEAR:
case TWODIGITYEAR:
date->wYear = date->wYear - (date->wYear%100) +
(date->wYear%10)*10 + num;
MONTHCAL_CalculateDayOfWeek(date, TRUE);
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case INVALIDFULLYEAR:
case FULLYEAR:
/* reset current year initialy */
date->wYear = ((date->wYear/1000) ? 0 : 1)*(date->wYear%1000)*10 + num;
MONTHCAL_CalculateDayOfWeek(date, TRUE);
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case ONEDIGITMONTH:
case TWODIGITMONTH:
if ((date->wMonth%10) > 1 || num > 2)
date->wMonth = num;
else
date->wMonth = (date->wMonth%10)*10+num;
MONTHCAL_CalculateDayOfWeek(date, TRUE);
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case ONEDIGITDAY:
case TWODIGITDAY:
newDays = (date->wDay%10)*10+num;
if (newDays > MONTHCAL_MonthLength(date->wMonth, date->wYear))
date->wDay = num;
else
date->wDay = newDays;
MONTHCAL_CalculateDayOfWeek(date, TRUE);
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case ONEDIGIT12HOUR:
case TWODIGIT12HOUR:
if ((date->wHour%10) > 1 || num > 2)
date->wHour = num;
else
date->wHour = (date->wHour%10)*10+num;
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case ONEDIGIT24HOUR:
case TWODIGIT24HOUR:
if ((date->wHour%10) > 2)
date->wHour = num;
else if ((date->wHour%10) == 2 && num > 3)
date->wHour = num;
else
date->wHour = (date->wHour%10)*10+num;
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case ONEDIGITMINUTE:
case TWODIGITMINUTE:
if ((date->wMinute%10) > 5)
date->wMinute = num;
else
date->wMinute = (date->wMinute%10)*10+num;
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
case ONEDIGITSECOND:
case TWODIGITSECOND:
if ((date->wSecond%10) > 5)
date->wSecond = num;
else
date->wSecond = (date->wSecond%10)*10+num;
DATETIME_SendDateTimeChangeNotify (infoPtr);
break;
}
infoPtr->charsEntered[infoPtr->nCharsEntered++] = vkCode;
fieldSpec = infoPtr->fieldspec[fieldNum];
if (fieldSpec == INVALIDFULLYEAR || fieldSpec == FULLYEAR)
maxChars = 4;
else
maxChars = 2;
if (maxChars == infoPtr->nCharsEntered)
DATETIME_ApplySelectedField(infoPtr);
}
return 0;
}
@ -1133,6 +1156,7 @@ DATETIME_KillFocus (DATETIME_INFO *infoPtr, HWND lostFocus)
if (infoPtr->haveFocus) {
DATETIME_SendSimpleNotify (infoPtr, NM_KILLFOCUS);
infoPtr->haveFocus = 0;
DATETIME_SetSelectedField (infoPtr, -1);
}
InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);