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Fix problems with listview notification.

This commit is contained in:
Gerard Patel 2002-01-29 17:51:00 +00:00 committed by Alexandre Julliard
parent a24551e638
commit 815997ffe0
1 changed files with 95 additions and 39 deletions
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134
dlls/comctl32/listview.c
View File

@ -292,7 +292,7 @@ static inline BOOL notify(HWND self, INT code, LPNMHDR pnmh)
pnmh->idFrom = GetWindowLongW(self, GWL_ID);
pnmh->code = code;
return (BOOL)SendMessageW(GetParent(self), WM_NOTIFY,
(WPARAM)pnmh->code, (LPARAM)pnmh);
(WPARAM)pnmh->idFrom, (LPARAM)pnmh);
}
static inline BOOL hdr_notify(HWND self, INT code)
@ -306,46 +306,102 @@ static inline BOOL listview_notify(HWND self, INT code, LPNMLISTVIEW plvnm)
return notify(self, code, (LPNMHDR)plvnm);
}
static BOOL dispinfo_notifyT(HWND self, INT code, LPNMLVDISPINFOW pdi, BOOL isW)
static int tabNotification[] = {
LVN_BEGINLABELEDITW, LVN_BEGINLABELEDITA,
LVN_ENDLABELEDITW, LVN_ENDLABELEDITA,
LVN_GETDISPINFOW, LVN_GETDISPINFOA,
LVN_SETDISPINFOW, LVN_SETDISPINFOA,
LVN_ODFINDITEMW, LVN_ODFINDITEMA,
LVN_GETINFOTIPW, LVN_GETINFOTIPA,
0
};
static int get_ansi_notification(INT unicodeNotificationCode)
{
int *pTabNotif = tabNotification;
while (*pTabNotif && (unicodeNotificationCode != *pTabNotif++));
if (*pTabNotif) return *pTabNotif;
ERR("unknown notification %x\n", unicodeNotificationCode);
return unicodeNotificationCode;
}
/*
Send notification. depends on dispinfoW having same
structure as dispinfoA.
self : listview handle
notificationCode : *Unicode* notification code
pdi : dispinfo structure (can be unicode or ansi)
isW : TRUE if dispinfo is Unicode
*/
static BOOL dispinfo_notifyT(HWND self, INT notificationCode, LPNMLVDISPINFOW pdi, BOOL isW)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongW(self, 0);
BOOL bResult = FALSE;
NMLVDISPINFOW diw;
BOOL convertToAnsi = FALSE, convertToUnicode = FALSE;
INT realNotifCode;
INT cchTempBufMax = 0, savCchTextMax = 0;
LPWSTR pszTempBuf = NULL, savPszText = NULL;
TRACE("(self=%x, code=%x, pdi=%p, isW=%d)\n", self, code, pdi, isW);
TRACE("(self=%x, code=%x, pdi=%p, isW=%d)\n", self, notificationCode, pdi, isW);
TRACE(" notifyFormat=%s\n",
infoPtr->notifyFormat == NFR_UNICODE ? "NFR_UNICODE" :
infoPtr->notifyFormat == NFR_ANSI ? "NFR_ANSI" : "(not set)");
if (isW && infoPtr->notifyFormat == NFR_UNICODE)
return notify(self, code, (LPNMHDR)pdi);
if (!isW && infoPtr->notifyFormat == NFR_ANSI)
return notify(self, code, (LPNMHDR)pdi);
if (!is_textT(pdi->item.pszText, isW))
return notify(self, code, (LPNMHDR)pdi);
if (isW && *pdi->item.pszText == 0)
return notify(self, code, (LPNMHDR)pdi);
if (!isW && *((LPCSTR)pdi->item.pszText) == 0)
{
*pdi->item.pszText = 0; /* make sure we have enough zeros... */
return notify(self, code, (LPNMHDR)pdi);
}
if (infoPtr->notifyFormat == 0)
return FALSE;
TRACE(" we have to convert the text to the correct format\n");
ZeroMemory(&diw, sizeof(diw));
memcpy(&diw, pdi, sizeof(diw));
diw.item.cchTextMax = isW ?
WideCharToMultiByte(CP_ACP, 0, pdi->item.pszText, -1, NULL, 0, NULL, NULL) :
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pdi->item.pszText, -1, NULL, 0);
diw.item.pszText = HeapAlloc(GetProcessHeap(), 0, (isW ? sizeof(WCHAR) : sizeof(CHAR)) * diw.item.cchTextMax);
if (!diw.item.pszText) return FALSE;
if (isW)
WideCharToMultiByte(CP_ACP, 0, pdi->item.pszText, -1, (LPSTR)diw.item.pszText, diw.item.cchTextMax, NULL, NULL);
if (infoPtr->notifyFormat == NFR_ANSI)
realNotifCode = get_ansi_notification(notificationCode);
else
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pdi->item.pszText, -1, diw.item.pszText, diw.item.cchTextMax);
TRACE(" text=%s\n", debugstr_t(diw.item.pszText, isW));
bResult = notify(self, code, (LPNMHDR)&diw);
HeapFree(GetProcessHeap(), 0, diw.item.pszText);
realNotifCode = notificationCode;
if (is_textT(pdi->item.pszText, isW))
{
if (isW && infoPtr->notifyFormat == NFR_ANSI)
convertToAnsi = TRUE;
if (!isW && infoPtr->notifyFormat == NFR_UNICODE)
convertToUnicode = TRUE;
}
if (convertToAnsi || convertToUnicode)
{
TRACE(" we have to convert the text to the correct format\n");
if (notificationCode != LVN_GETDISPINFOW)
{ /* length of existing text */
cchTempBufMax = convertToUnicode ?
WideCharToMultiByte(CP_ACP, 0, pdi->item.pszText, -1, NULL, 0, NULL, NULL) :
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pdi->item.pszText, -1, NULL, 0);
}
else
cchTempBufMax = pdi->item.cchTextMax;
pszTempBuf = HeapAlloc(GetProcessHeap(), 0,
(convertToUnicode ? sizeof(WCHAR) : sizeof(CHAR)) * cchTempBufMax);
if (!pszTempBuf) return FALSE;
if (convertToUnicode)
WideCharToMultiByte(CP_ACP, 0, pdi->item.pszText, -1, (LPSTR) pszTempBuf,
cchTempBufMax, NULL, NULL);
else
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pdi->item.pszText, -1,
pszTempBuf, cchTempBufMax);
TRACE(" text=%s\n", debugstr_t(pszTempBuf, convertToUnicode));
savCchTextMax = pdi->item.cchTextMax;
savPszText = pdi->item.pszText;
pdi->item.pszText = pszTempBuf;
pdi->item.cchTextMax = cchTempBufMax;
}
bResult = notify(self, realNotifCode, (LPNMHDR)pdi);
if (convertToUnicode || convertToAnsi)
{ /* convert back result */
TRACE(" returned text=%s\n", debugstr_t(pdi->item.pszText, convertToUnicode));
if (convertToUnicode) /* note : pointer can be changed by app ! */
WideCharToMultiByte(CP_ACP, 0, pdi->item.pszText, -1, (LPSTR) savPszText,
savCchTextMax, NULL, NULL);
else
MultiByteToWideChar(CP_ACP, 0, (LPSTR) pdi->item.pszText, -1,
savPszText, savCchTextMax);
pdi->item.pszText = savPszText; /* restores our buffer */
pdi->item.cchTextMax = savCchTextMax;
HeapFree(GetProcessHeap(), 0, pszTempBuf);
}
return bResult;
}
@ -4224,7 +4280,7 @@ static HWND LISTVIEW_EditLabelT(HWND hwnd, INT nItem, BOOL isW)
dispInfo.item.iImage = lpItem->iImage;
dispInfo.item.lParam = lpItem->lParam;
if (dispinfo_notifyT(hwnd, isW ? LVN_BEGINLABELEDITW : LVN_BEGINLABELEDITA, &dispInfo, isW))
if (dispinfo_notifyT(hwnd, LVN_BEGINLABELEDITW, &dispInfo, isW))
return 0;
rect.left = LVIR_LABEL;
@ -4967,7 +5023,7 @@ static LRESULT LISTVIEW_GetItemT(HWND hwnd, LPLVITEMW lpLVItem, BOOL internal, B
if (lpLVItem->mask & ~LVIF_STATE)
{
memcpy(&dispInfo.item, lpLVItem, sizeof(LVITEMW));
dispinfo_notifyT(hwnd, LVN_GETDISPINFOT(isW), &dispInfo, isW);
dispinfo_notifyT(hwnd, LVN_GETDISPINFOW, &dispInfo, isW);
memcpy(lpLVItem, &dispInfo.item, sizeof(LVITEMW));
TRACE(" getdispinfo(1):lpLVItem=%s\n", debuglvitem_t(lpLVItem, isW));
}
@ -5023,7 +5079,9 @@ static LRESULT LISTVIEW_GetItemT(HWND hwnd, LPLVITEMW lpLVItem, BOOL internal, B
dispInfo.item.pszText = lpLVItem->pszText;
dispInfo.item.cchTextMax = lpLVItem->cchTextMax;
if (dispInfo.item.pszText && lpLVItem->cchTextMax > 0)
*dispInfo.item.pszText = 0;
*dispInfo.item.pszText = '\0';
if (dispInfo.item.pszText && (*ppszText == NULL))
*dispInfo.item.pszText = '\0';
}
if (dispInfo.item.mask != 0)
@ -5032,7 +5090,7 @@ static LRESULT LISTVIEW_GetItemT(HWND hwnd, LPLVITEMW lpLVItem, BOOL internal, B
dispInfo.item.iItem = lpLVItem->iItem;
dispInfo.item.iSubItem = lpLVItem->iSubItem;
dispInfo.item.lParam = lpItem->lParam;
dispinfo_notifyT(hwnd, LVN_GETDISPINFOT(isW), &dispInfo, isW);
dispinfo_notifyT(hwnd, LVN_GETDISPINFOW, &dispInfo, isW);
TRACE(" getdispinfo(2):lpLVItem=%s\n", debuglvitem_t(&dispInfo.item, isW));
}
@ -5069,8 +5127,6 @@ static LRESULT LISTVIEW_GetItemT(HWND hwnd, LPLVITEMW lpLVItem, BOOL internal, B
if (lpLVItem->pszText != dispInfo.item.pszText)
textcpynT(lpLVItem->pszText, isW, dispInfo.item.pszText, isW, lpLVItem->cchTextMax);
if (*ppszText == NULL)
*lpLVItem->pszText = '\0';
}
else if (lpLVItem->mask & LVIF_TEXT)
{