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wine-winehq
Commit fa93b446 authored by Chris Morgan's avatar Chris Morgan Committed by Alexandre Julliard
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Listview should scroll by at least one column, fixes bug where item

being wider than listview prevents any scrolling from occuring. Added printing of the scroll code text during tracing of scroll functions.
parent adf55c25
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Showing with 33 additions and 5 deletions
dlls/comctl32/listview.c
View file @ fa93b446
......@@ -362,7 +362,6 @@ typedef struct tagLISTVIEW_INFO
TRACE("hwndSelf=%p, rcList=%s\n", iP->hwndSelf, debugrect(&iP->rcList)); \
} while(0)
/*
* forward declarations
*/
......@@ -674,7 +673,6 @@ undo:
return text;
}
static char* debuglvhittestinfo(const LVHITTESTINFO *lpht)
{
if (lpht)
......@@ -686,6 +684,24 @@ static char* debuglvhittestinfo(const LVHITTESTINFO *lpht)
} else return "(null)";
}
/* Return the corresponding text for a given scroll value */
static inline LPCSTR debugscrollcode(int nScrollCode)
{
switch(nScrollCode)
{
case SB_LINELEFT: return "SB_LINELEFT";
case SB_LINERIGHT: return "SB_LINERIGHT";
case SB_PAGELEFT: return "SB_PAGELEFT";
case SB_PAGERIGHT: return "SB_PAGERIGHT";
case SB_THUMBPOSITION: return "SB_THUMBPOSITION";
case SB_THUMBTRACK: return "SB_THUMBTRACK";
case SB_ENDSCROLL: return "SB_ENDSCROLL";
case SB_INTERNAL: return "SB_INTERNAL";
default: return "unknown";
}
}
/******** Notification functions i************************************/
static LRESULT notify_hdr(LISTVIEW_INFO *infoPtr, INT code, LPNMHDR pnmh)
......@@ -1513,6 +1529,11 @@ static void LISTVIEW_UpdateScroll(LISTVIEW_INFO *infoPtr)
{
INT nPerCol = LISTVIEW_GetCountPerColumn(infoPtr);
horzInfo.nMax = (infoPtr->nItemCount + nPerCol - 1) / nPerCol;
/* scroll by at least one column per page */
if(horzInfo.nPage < infoPtr->nItemWidth)
horzInfo.nPage = infoPtr->nItemWidth;
horzInfo.nPage /= infoPtr->nItemWidth;
}
else if (uView == LVS_REPORT)
......@@ -1543,6 +1564,11 @@ static void LISTVIEW_UpdateScroll(LISTVIEW_INFO *infoPtr)
if (uView == LVS_REPORT)
{
vertInfo.nMax = infoPtr->nItemCount;
/* scroll by at least one page */
if(vertInfo.nPage < infoPtr->nItemHeight)
vertInfo.nPage = infoPtr->nItemHeight;
vertInfo.nPage /= infoPtr->nItemHeight;
}
else if (uView != LVS_LIST) /* LVS_ICON, or LVS_SMALLICON */
......@@ -7144,7 +7170,8 @@ static LRESULT LISTVIEW_VScroll(LISTVIEW_INFO *infoPtr, INT nScrollCode,
SCROLLINFO scrollInfo;
BOOL is_an_icon;
TRACE("(nScrollCode=%d, nScrollDiff=%d)\n", nScrollCode, nScrollDiff);
TRACE("(nScrollCode=%d(%s), nScrollDiff=%d)\n", nScrollCode,
debugscrollcode(nScrollCode), nScrollDiff);
if (infoPtr->hwndEdit) SendMessageW(infoPtr->hwndEdit, WM_KILLFOCUS, 0, 0);
......@@ -7247,7 +7274,8 @@ static LRESULT LISTVIEW_HScroll(LISTVIEW_INFO *infoPtr, INT nScrollCode,
INT nOldScrollPos, nNewScrollPos;
SCROLLINFO scrollInfo;
TRACE("(nScrollCode=%d, nScrollDiff=%d)\n", nScrollCode, nScrollDiff);
TRACE("(nScrollCode=%d(%s), nScrollDiff=%d)\n", nScrollCode,
debugscrollcode(nScrollCode), nScrollDiff);
if (infoPtr->hwndEdit) SendMessageW(infoPtr->hwndEdit, WM_KILLFOCUS, 0, 0);
......@@ -7257,7 +7285,7 @@ static LRESULT LISTVIEW_HScroll(LISTVIEW_INFO *infoPtr, INT nScrollCode,
if (!GetScrollInfo(infoPtr->hwndSelf, SB_HORZ, &scrollInfo)) return 1;
nOldScrollPos = scrollInfo.nPos;
switch (nScrollCode)
{
case SB_INTERNAL:
......
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