mirror of
https://github.com/reactos/wine.git
synced 2024-11-26 05:00:30 +00:00
Better support very long strings by avoiding to copy them in a fixed
size buffer (one exception partly remains: callback strings). Raise the buffer size to 512 characters. Merge the handling of item 0 and other items together in GetItemA to reduce code duplication.
This commit is contained in:
Francois Gouget
Alexandre Julliard
parent
e175445eae
commit
7e5f828b12
@ -54,7 +54,7 @@ DEFAULT_DEBUG_CHANNEL(listview)
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*/
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/* maximum size of a label */
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#define DISP_TEXT_SIZE 128
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#define DISP_TEXT_SIZE 512
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/* padding for items in list and small icon display modes */
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#define WIDTH_PADDING 12
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@ -99,6 +99,7 @@ HWND CreateEditLabel(LPCSTR text, DWORD style, INT x, INT y,
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/*
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* forward declarations
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*/
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static LRESULT LISTVIEW_GetItemA(HWND hwnd, LPLVITEMA lpLVItem, BOOL internal);
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static INT LISTVIEW_HitTestItem(HWND, LPLVHITTESTINFO);
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static INT LISTVIEW_GetCountPerRow(HWND);
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static INT LISTVIEW_GetCountPerColumn(HWND);
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@ -1777,7 +1778,7 @@ static VOID LISTVIEW_DrawSubItem(HWND hwnd, HDC hdc, INT nItem, INT nSubItem,
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lvItem.iSubItem = nSubItem;
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lvItem.cchTextMax = DISP_TEXT_SIZE;
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lvItem.pszText = szDispText;
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ListView_GetItemA(hwnd, &lvItem);
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LISTVIEW_GetItemA(hwnd, &lvItem, TRUE);
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/* set item colors */
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SetBkColor(hdc, infoPtr->clrTextBk);
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@ -1821,7 +1822,7 @@ static VOID LISTVIEW_DrawItem(HWND hwnd, HDC hdc, INT nItem, RECT rcItem)
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lvItem.iSubItem = 0;
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lvItem.cchTextMax = DISP_TEXT_SIZE;
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lvItem.pszText = szDispText;
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ListView_GetItemA(hwnd, &lvItem);
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LISTVIEW_GetItemA(hwnd, &lvItem, TRUE);
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/* state icons */
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if (infoPtr->himlState != NULL)
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@ -1942,7 +1943,7 @@ bottom=%d)\n", hwnd, hdc, nItem, rcItem.left, rcItem.top, rcItem.right,
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lvItem.iSubItem = 0;
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lvItem.cchTextMax = DISP_TEXT_SIZE;
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lvItem.pszText = szDispText;
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ListView_GetItemA(hwnd, &lvItem);
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LISTVIEW_GetItemA(hwnd, &lvItem, TRUE);
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if (lvItem.state & LVIS_SELECTED)
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{
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@ -3151,7 +3152,7 @@ static LRESULT LISTVIEW_FindItem(HWND hwnd, INT nStart,
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lvItem.iItem = nItem;
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lvItem.iSubItem = 0;
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if (ListView_GetItemA(hwnd, &lvItem) != FALSE)
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if (LISTVIEW_GetItemA(hwnd, &lvItem, TRUE) != FALSE)
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{
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if (lvItem.mask & LVIF_TEXT)
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{
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@ -3530,196 +3531,150 @@ static LRESULT LISTVIEW_GetImageList(HWND hwnd, INT nImageList)
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* PARAMETER(S):
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* [I] HWND : window handle
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* [IO] LPLVITEMA : item info
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* [I] internal : if true then we will use tricks that avoid copies
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* but are not compatible with the regular interface
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*
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* RETURN:
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* SUCCESS : TRUE
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* FAILURE : FALSE
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*/
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static LRESULT LISTVIEW_GetItemA(HWND hwnd, LPLVITEMA lpLVItem)
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static LRESULT LISTVIEW_GetItemA(HWND hwnd, LPLVITEMA lpLVItem, BOOL internal)
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{
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LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
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LONG lCtrlId = GetWindowLongA(hwnd, GWL_ID);
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BOOL bResult = FALSE;
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NMLVDISPINFOA dispInfo;
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LISTVIEW_SUBITEM *lpSubItem;
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LISTVIEW_ITEM *lpItem;
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INT* piImage;
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LPSTR* ppszText;
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HDPA hdpaSubItems;
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/* In the following:
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* lpLVItem describes the information requested by the user
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* lpItem/lpSubItem is what we have
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* dispInfo is a structure we use to request the missing
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* information from the application
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*/
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TRACE("(hwnd=%x, lpLVItem=%p)\n", hwnd, lpLVItem);
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if (lpLVItem != NULL)
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if ((lpLVItem == NULL) ||
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(lpLVItem->iItem < 0) ||
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(lpLVItem->iItem >= GETITEMCOUNT(infoPtr))
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)
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return FALSE;
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hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, lpLVItem->iItem);
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if (hdpaSubItems == NULL)
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return FALSE;
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lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0);
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if (lpItem == NULL)
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return FALSE;
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ZeroMemory(&dispInfo, sizeof(NMLVDISPINFOA));
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if (lpLVItem->iSubItem == 0)
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{
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if ((lpLVItem->iItem >= 0) && (lpLVItem->iItem < GETITEMCOUNT(infoPtr)))
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piImage=&lpItem->iImage;
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ppszText=&lpItem->pszText;
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if ((infoPtr->uCallbackMask != 0) && (lpLVItem->mask & LVIF_STATE))
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{
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dispInfo.item.mask |= LVIF_STATE;
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dispInfo.item.stateMask = infoPtr->uCallbackMask;
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}
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}
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else
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{
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lpSubItem = LISTVIEW_GetSubItemPtr(hdpaSubItems, lpLVItem->iSubItem);
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if (lpSubItem != NULL)
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{
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ZeroMemory(&dispInfo, sizeof(NMLVDISPINFOA));
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hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, lpLVItem->iItem);
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if (hdpaSubItems != NULL)
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{
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lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0);
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if (lpItem != NULL)
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{
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bResult = TRUE;
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if (lpLVItem->iSubItem == 0)
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{
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if ((lpItem->iImage == I_IMAGECALLBACK) &&
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(lpLVItem->mask & LVIF_IMAGE))
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{
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dispInfo.item.mask |= LVIF_IMAGE;
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}
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if ((lpItem->pszText == LPSTR_TEXTCALLBACKA) &&
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(lpLVItem->mask & LVIF_TEXT))
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{
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dispInfo.item.mask |= LVIF_TEXT;
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ZeroMemory(lpLVItem->pszText, sizeof(CHAR)*lpLVItem->cchTextMax);
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dispInfo.item.pszText = lpLVItem->pszText;
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dispInfo.item.cchTextMax = lpLVItem->cchTextMax;
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}
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if ((infoPtr->uCallbackMask != 0) && (lpLVItem->mask & LVIF_STATE))
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{
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dispInfo.item.mask |= LVIF_STATE;
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dispInfo.item.stateMask = infoPtr->uCallbackMask;
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}
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if (dispInfo.item.mask != 0)
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{
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dispInfo.hdr.hwndFrom = hwnd;
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dispInfo.hdr.idFrom = lCtrlId;
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dispInfo.hdr.code = LVN_GETDISPINFOA;
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dispInfo.item.iItem = lpLVItem->iItem;
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dispInfo.item.iSubItem = 0;
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dispInfo.item.lParam = lpItem->lParam;
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ListView_Notify(GetParent(hwnd), lCtrlId, &dispInfo);
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}
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if (dispInfo.item.mask & LVIF_IMAGE)
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{
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lpLVItem->iImage = dispInfo.item.iImage;
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}
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else if (lpLVItem->mask & LVIF_IMAGE)
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{
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lpLVItem->iImage = lpItem->iImage;
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}
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if (dispInfo.item.mask & LVIF_TEXT)
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{
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if (dispInfo.item.mask & LVIF_DI_SETITEM)
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{
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Str_SetPtrA(&lpItem->pszText, dispInfo.item.pszText);
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}
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strncpy(lpLVItem->pszText, dispInfo.item.pszText, lpLVItem->cchTextMax);
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lpLVItem->pszText[lpLVItem->cchTextMax-1]='\0';
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}
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else if (lpLVItem->mask & LVIF_TEXT)
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{
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strncpy(lpLVItem->pszText, lpItem->pszText, lpLVItem->cchTextMax);
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lpLVItem->pszText[lpLVItem->cchTextMax-1]='\0';
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}
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if (dispInfo.item.mask & LVIF_STATE)
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{
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lpLVItem->state = lpItem->state;
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lpLVItem->state &= ~dispInfo.item.stateMask;
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lpLVItem->state |= (dispInfo.item.state &
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dispInfo.item.stateMask);
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}
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else if (lpLVItem->mask & LVIF_STATE)
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{
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lpLVItem->state = lpItem->state & lpLVItem->stateMask;
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}
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if (lpLVItem->mask & LVIF_PARAM)
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{
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lpLVItem->lParam = lpItem->lParam;
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}
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if (lpLVItem->mask & LVIF_INDENT)
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{
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lpLVItem->iIndent = lpItem->iIndent;
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}
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}
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else
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{
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lpSubItem = LISTVIEW_GetSubItemPtr(hdpaSubItems,
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lpLVItem->iSubItem);
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if (lpSubItem != NULL)
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{
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if ((lpSubItem->iImage == I_IMAGECALLBACK) &&
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(lpLVItem->mask & LVIF_IMAGE))
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{
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dispInfo.item.mask |= LVIF_IMAGE;
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}
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if ((lpSubItem->pszText == LPSTR_TEXTCALLBACKA) &&
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(lpLVItem->mask & LVIF_TEXT))
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{
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dispInfo.item.mask |= LVIF_TEXT;
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ZeroMemory(lpLVItem->pszText,
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sizeof(CHAR)*lpLVItem->cchTextMax);
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dispInfo.item.pszText = lpLVItem->pszText;
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dispInfo.item.cchTextMax = lpLVItem->cchTextMax;
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}
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}
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else
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{
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if (lpLVItem->mask & LVIF_IMAGE)
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{
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dispInfo.item.mask |= LVIF_IMAGE;
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}
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if (lpLVItem->mask & LVIF_TEXT)
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{
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dispInfo.item.mask |= LVIF_TEXT;
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ZeroMemory(lpLVItem->pszText,
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sizeof(CHAR)*lpLVItem->cchTextMax);
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dispInfo.item.pszText = lpLVItem->pszText;
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dispInfo.item.cchTextMax = lpLVItem->cchTextMax;
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}
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}
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if (dispInfo.item.mask != 0)
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{
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dispInfo.hdr.hwndFrom = hwnd;
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dispInfo.hdr.idFrom = lCtrlId;
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dispInfo.hdr.code = LVN_GETDISPINFOA;
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dispInfo.item.iItem = lpLVItem->iItem;
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dispInfo.item.iSubItem = lpLVItem->iSubItem;
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dispInfo.item.lParam = lpItem->lParam;
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ListView_Notify(GetParent(hwnd), lCtrlId, &dispInfo);
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}
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if (dispInfo.item.mask & LVIF_IMAGE)
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{
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lpLVItem->iImage = dispInfo.item.iImage;
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}
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else if (lpLVItem->mask & LVIF_IMAGE)
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{
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lpLVItem->iImage = lpItem->iImage;
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}
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if (dispInfo.item.mask & LVIF_TEXT)
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{
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if (dispInfo.item.mask & LVIF_DI_SETITEM)
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{
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if (lpSubItem)
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Str_SetPtrA(&lpSubItem->pszText, dispInfo.item.pszText);
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}
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strncpy(lpLVItem->pszText, dispInfo.item.pszText, lpLVItem->cchTextMax);
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lpLVItem->pszText[lpLVItem->cchTextMax-1]='\0';
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}
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else if (lpLVItem->mask & LVIF_TEXT)
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{
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strncpy(lpLVItem->pszText, lpSubItem->pszText, lpLVItem->cchTextMax);
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lpLVItem->pszText[lpLVItem->cchTextMax-1]='\0';
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}
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}
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}
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}
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piImage=&lpItem->iImage;
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ppszText=&lpItem->pszText;
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}
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else
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{
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piImage=NULL;
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ppszText=NULL;
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}
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}
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return bResult;
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if ((lpLVItem->mask & LVIF_IMAGE) &&
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((piImage==NULL) || (*piImage == I_IMAGECALLBACK)))
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{
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dispInfo.item.mask |= LVIF_IMAGE;
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}
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if ((lpLVItem->mask & LVIF_TEXT) &&
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((ppszText==NULL) || (*ppszText == LPSTR_TEXTCALLBACKA)))
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{
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dispInfo.item.mask |= LVIF_TEXT;
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dispInfo.item.pszText = lpLVItem->pszText;
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dispInfo.item.cchTextMax = lpLVItem->cchTextMax;
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}
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if (dispInfo.item.mask != 0)
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{
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/* We don't have all the requested info, query the application */
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dispInfo.hdr.hwndFrom = hwnd;
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dispInfo.hdr.idFrom = lCtrlId;
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dispInfo.hdr.code = LVN_GETDISPINFOA;
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dispInfo.item.iItem = lpLVItem->iItem;
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dispInfo.item.iSubItem = lpLVItem->iSubItem;
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dispInfo.item.lParam = lpItem->lParam;
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ListView_Notify(GetParent(hwnd), lCtrlId, &dispInfo);
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}
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if (dispInfo.item.mask & LVIF_IMAGE)
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{
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lpLVItem->iImage = dispInfo.item.iImage;
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}
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else if (lpLVItem->mask & LVIF_IMAGE)
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{
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lpLVItem->iImage = *piImage;
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}
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if (dispInfo.item.mask & LVIF_TEXT)
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{
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if ((dispInfo.item.mask & LVIF_DI_SETITEM) && (ppszText != NULL))
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{
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Str_SetPtrA(ppszText, dispInfo.item.pszText);
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}
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/* Here lpLVItem->pszText==dispInfo.item.pszText so a copy is unnecessary */
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}
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else if (lpLVItem->mask & LVIF_TEXT)
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{
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if (internal==TRUE)
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{
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lpLVItem->pszText=*ppszText;
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} else {
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lstrcpynA(lpLVItem->pszText, *ppszText, lpLVItem->cchTextMax);
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}
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}
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if (lpLVItem->iSubItem == 0)
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{
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if (dispInfo.item.mask & LVIF_STATE)
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{
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lpLVItem->state = lpItem->state;
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lpLVItem->state &= ~dispInfo.item.stateMask;
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lpLVItem->state |= (dispInfo.item.state & dispInfo.item.stateMask);
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}
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else if (lpLVItem->mask & LVIF_STATE)
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{
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lpLVItem->state = lpItem->state & lpLVItem->stateMask;
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}
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if (lpLVItem->mask & LVIF_PARAM)
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{
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lpLVItem->lParam = lpItem->lParam;
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}
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if (lpLVItem->mask & LVIF_INDENT)
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{
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lpLVItem->iIndent = lpItem->iIndent;
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}
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}
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return TRUE;
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}
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/* LISTVIEW_GetItemW */
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@ -4207,7 +4162,7 @@ static INT LISTVIEW_GetLabelWidth(HWND hwnd, INT nItem)
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lvItem.iItem = nItem;
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lvItem.cchTextMax = DISP_TEXT_SIZE;
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lvItem.pszText = szDispText;
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if (ListView_GetItemA(hwnd, &lvItem) != FALSE)
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if (LISTVIEW_GetItemA(hwnd, &lvItem, TRUE) != FALSE)
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{
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nLabelWidth = ListView_GetStringWidthA(hwnd, lvItem.pszText);
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}
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@ -4268,7 +4223,7 @@ static LRESULT LISTVIEW_GetItemState(HWND hwnd, INT nItem, UINT uMask)
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lvItem.iItem = nItem;
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lvItem.stateMask = uMask;
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lvItem.mask = LVIF_STATE;
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if (ListView_GetItemA(hwnd, &lvItem) != FALSE)
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if (LISTVIEW_GetItemA(hwnd, &lvItem, TRUE) != FALSE)
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{
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uState = lvItem.state;
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}
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@ -4301,7 +4256,7 @@ static LRESULT LISTVIEW_GetItemTextA(HWND hwnd, INT nItem, LPLVITEMA lpLVItem)
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{
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lpLVItem->mask = LVIF_TEXT;
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lpLVItem->iItem = nItem;
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if (ListView_GetItemA(hwnd, lpLVItem) != FALSE)
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if (LISTVIEW_GetItemA(hwnd, lpLVItem, FALSE) != FALSE)
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{
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nLength = lstrlenA(lpLVItem->pszText);
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}
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@ -7085,7 +7040,7 @@ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
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/* case LVM_GETISEARCHSTRING: */
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case LVM_GETITEMA:
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return LISTVIEW_GetItemA(hwnd, (LPLVITEMA)lParam);
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return LISTVIEW_GetItemA(hwnd, (LPLVITEMA)lParam, FALSE);
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/* case LVM_GETITEMW: */
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