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Implement implement header callback support (HDN_GETDISPINFO notification): 

- better factorisation
- unicode fixes
This commit is contained in:
Raphael Junqueira 2005-11-15 16:54:41 +00:00 committed by Alexandre Julliard
parent dfc8305918
commit e3d53b4722
1 changed files with 139 additions and 17 deletions
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138
dlls/comctl32/header.c
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@ -601,6 +601,95 @@ HEADER_SendHeaderNotify (HWND hwnd, UINT code, INT iItem, INT mask)
(WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
}
/**
* Send Disp Info notification.
* depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
* (so we handle the two cases only doing a specific cast for pszText).
*
* @param hwnd : hwnd header container handler
* @param mask : notification mask (usually HDI_TEXT or HDI_IMAGE)
* @param pDispInfo : NMHDDISPINFO structure (can be unicode or ansi)
* @param isW : TRUE if dispinfo is Unicode
*/
static BOOL
HEADER_SendHeaderDispInfoNotify(HWND hwnd, INT iItem, INT mask, LPHDITEMW phdi, HEADER_ITEM* lpItem, BOOL isW)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
BOOL ret;
BOOL convertToAnsi = FALSE;
BOOL convertToUnicode = FALSE;
BOOL isUnicodeNotify = FALSE;
NMHDDISPINFOW dispInfo;
if (mask & HDI_TEXT)
{
convertToAnsi = (isW && infoPtr->nNotifyFormat == NFR_ANSI);
convertToUnicode = (!isW && infoPtr->nNotifyFormat == NFR_UNICODE);
}
isUnicodeNotify = (isW && !convertToAnsi);
memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
dispInfo.hdr.hwndFrom = hwnd;
dispInfo.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
if (isUnicodeNotify || convertToUnicode)
{
dispInfo.hdr.code = HDN_GETDISPINFOW;
}
else
{
dispInfo.hdr.code = HDN_GETDISPINFOA;
}
dispInfo.iItem = iItem;
dispInfo.mask = mask;
/*
dispInfo.pszText = Alloc(sizeof(WCHAR) * 260);
dispInfo.cchTextMax = 260;
*/
ret = (BOOL) SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
(WPARAM) dispInfo.hdr.idFrom,
(LPARAM) &dispInfo);
TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
dispInfo.mask,
(isUnicodeNotify ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
(void*) dispInfo.lParam);
if (dispInfo.mask & HDI_DI_SETITEM)
{
if (dispInfo.mask & HDI_IMAGE)
{
lpItem->iImage = dispInfo.iImage;
}
if (dispInfo.mask & HDI_TEXT)
{
if (isUnicodeNotify || convertToUnicode)
Str_SetPtrW(&lpItem->pszText, (LPCWSTR)dispInfo.pszText);
else /*if (convertToAnsi || !isW)*/
Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)dispInfo.pszText);
}
FIXME("NMHDDISPINFO returns with flags HDI_DI_SETITEM\n");
}
if (NULL != phdi)
{
if ((phdi->mask & mask) & HDI_IMAGE)
{
phdi->iImage = dispInfo.iImage;
}
if ((phdi->mask & mask) & HDI_TEXT)
{
if (isUnicodeNotify)
Str_GetPtrW ((LPCWSTR)dispInfo.pszText, phdi->pszText, phdi->cchTextMax);
else if (convertToUnicode)
Str_GetPtrWtoA ((LPCWSTR)dispInfo.pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
else /*if (!isW) */
Str_GetPtrA ((LPCSTR)dispInfo.pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
}
}
return ret;
}
static BOOL
HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
@ -743,17 +832,24 @@ HEADER_GetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
phdi->lParam = (lpItem != NULL) ? lpItem->lParam : 0;
if (phdi->mask & HDI_IMAGE)
{
phdi->iImage = (lpItem != NULL) ? lpItem->iImage : 0;
if (lpItem->iImage == I_IMAGECALLBACK)
{
HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_IMAGE, phdi, lpItem, bUnicode);
}
}
if (phdi->mask & HDI_ORDER)
phdi->iOrder = (lpItem != NULL) ? lpItem->iOrder : 0;
if (phdi->mask & HDI_TEXT)
{
if (lpItem == NULL)
*phdi->pszText = 0;
if (lpItem == NULL) *phdi->pszText = 0; /* null pointer check */
else if (lpItem->pszText == LPSTR_TEXTCALLBACKW) /* covers == TEXTCALLBACKA too */
phdi->pszText = LPSTR_TEXTCALLBACKW;
{
HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_TEXT, phdi, lpItem, bUnicode);
}
else
{
if (bUnicode)
@ -936,20 +1032,33 @@ HEADER_InsertItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
lpItem->lParam = phdi->lParam;
if (phdi->mask & HDI_IMAGE)
{
if (phdi->iImage != I_IMAGECALLBACK)
{
lpItem->iImage = phdi->iImage;
}
else
{
lpItem->iImage = phdi->iImage;
HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_IMAGE, NULL, lpItem, bUnicode);
}
}
if (phdi->mask & HDI_TEXT)
{
if (!phdi->pszText) /* null pointer check */
phdi->pszText = '\0';
if (!phdi->pszText) phdi->pszText = '\0'; /* null pointer check */
if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
{
if (bUnicode)
Str_SetPtrW(&lpItem->pszText, phdi->pszText);
else
Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)phdi->pszText);
}
else
lpItem->pszText = LPSTR_TEXTCALLBACKW;
{
lpItem->pszText = phdi->pszText;
HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_TEXT, NULL, lpItem, bUnicode);
}
lpItem->fmt |= HDF_STRING;
}
@ -1058,7 +1167,17 @@ HEADER_SetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
lpItem->cxy = phdi->cxy;
if (phdi->mask & HDI_IMAGE)
{
if (phdi->iImage != I_IMAGECALLBACK)
{
lpItem->iImage = phdi->iImage;
}
else
{
lpItem->iImage = phdi->iImage;
HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_IMAGE, NULL, lpItem, bUnicode);
}
}
if (phdi->mask & HDI_TEXT)
{
@ -1078,7 +1197,10 @@ HEADER_SetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
}
}
else
lpItem->pszText = LPSTR_TEXTCALLBACKW;
{
lpItem->pszText = phdi->pszText;
HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_TEXT, NULL, lpItem, bUnicode);
}
}
if (phdi->mask & HDI_ORDER)