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Support for LVM_SUBITEMHITTEST; check for out-of-bounds subitem index 

in LISTVIEW_GetSubItemRect.
This commit is contained in:
Paul Rupe 2002-06-10 22:47:41 +00:00 committed by Alexandre Julliard
parent e73d3c444b
commit 21fbb40cb7
1 changed files with 61 additions and 14 deletions
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75
dlls/comctl32/listview.c
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@ -6081,17 +6081,15 @@ flags, LPRECT lprc)
} }
else else
{ {
int top = min(((LISTVIEW_INFO *)GetWindowLongW(hwnd, 0))->nColumnCount,
nSubItem - 1);
LISTVIEW_GetItemRect(hwnd,nItem,lprc); LISTVIEW_GetItemRect(hwnd,nItem,lprc);
count = 0; for (count = 0; count < top; count++)
while (count<(nSubItem-1))
{
lprc->left += LISTVIEW_GetColumnWidth(hwnd,count); lprc->left += LISTVIEW_GetColumnWidth(hwnd,count);
count ++;
}
lprc->right = LISTVIEW_GetColumnWidth(hwnd,(nSubItem-1)) + lprc->right = LISTVIEW_GetColumnWidth(hwnd,(nSubItem-1)) +
lprc->left; lprc->left;
} }
return TRUE; return TRUE;
} }
@ -6549,8 +6547,8 @@ static INT LISTVIEW_SuperHitTestItem(HWND hwnd, LPLV_INTHIT lpInt, BOOL subitem)
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongW(hwnd, 0); LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongW(hwnd, 0);
LONG lStyle = GetWindowLongW(hwnd, GWL_STYLE); LONG lStyle = GetWindowLongW(hwnd, GWL_STYLE);
UINT uView = lStyle & LVS_TYPEMASK; UINT uView = lStyle & LVS_TYPEMASK;
INT i,topindex,bottomindex; INT i,j,topindex,bottomindex;
RECT rcItem; RECT rcItem,rcSubItem;
DWORD xterm, yterm, dist; DWORD xterm, yterm, dist;
TRACE("(hwnd=%x, x=%ld, y=%ld)\n", hwnd, lpInt->ht.pt.x, lpInt->ht.pt.y); TRACE("(hwnd=%x, x=%ld, y=%ld)\n", hwnd, lpInt->ht.pt.x, lpInt->ht.pt.y);
@ -6576,6 +6574,7 @@ static INT LISTVIEW_SuperHitTestItem(HWND hwnd, LPLV_INTHIT lpInt, BOOL subitem)
{ {
if (PtInRect(&rcItem, lpInt->ht.pt)) if (PtInRect(&rcItem, lpInt->ht.pt))
{ {
rcSubItem = rcItem;
rcItem.left = LVIR_ICON; rcItem.left = LVIR_ICON;
if (LISTVIEW_GetItemRect(hwnd, i, &rcItem)) if (LISTVIEW_GetItemRect(hwnd, i, &rcItem))
{ {
@ -6583,8 +6582,7 @@ static INT LISTVIEW_SuperHitTestItem(HWND hwnd, LPLV_INTHIT lpInt, BOOL subitem)
{ {
lpInt->ht.flags = LVHT_ONITEMICON; lpInt->ht.flags = LVHT_ONITEMICON;
lpInt->ht.iItem = i; lpInt->ht.iItem = i;
if (subitem) lpInt->ht.iSubItem = 0; goto set_subitem;
return i;
} }
} }
@ -6595,14 +6593,28 @@ static INT LISTVIEW_SuperHitTestItem(HWND hwnd, LPLV_INTHIT lpInt, BOOL subitem)
{ {
lpInt->ht.flags = LVHT_ONITEMLABEL; lpInt->ht.flags = LVHT_ONITEMLABEL;
lpInt->ht.iItem = i; lpInt->ht.iItem = i;
if (subitem) lpInt->ht.iSubItem = 0; goto set_subitem;
return i;
} }
} }
lpInt->ht.flags = LVHT_ONITEMSTATEICON; lpInt->ht.flags = LVHT_ONITEMSTATEICON;
lpInt->ht.iItem = i; lpInt->ht.iItem = i;
if (subitem) lpInt->ht.iSubItem = 0; set_subitem:
if (subitem)
{
lpInt->ht.iSubItem = 0;
rcSubItem.right = rcSubItem.left;
for (j = 0; j < infoPtr->nColumnCount; j++)
{
rcSubItem.left = rcSubItem.right;
rcSubItem.right += LISTVIEW_GetColumnWidth(hwnd, j);
if (PtInRect(&rcSubItem, lpInt->ht.pt))
{
lpInt->ht.iSubItem = j;
break;
}
}
}
return i; return i;
} }
else else
@ -6697,6 +6709,40 @@ static LRESULT LISTVIEW_HitTest(HWND hwnd, LPLVHITTESTINFO lpHitTestInfo)
return nItem; return nItem;
} }
/***
* DESCRIPTION:
* Determines which listview subitem is located at the specified position.
*
* PARAMETER(S):
* [I] HWND : window handle
* [IO} LPLVHITTESTINFO : hit test information
*
* RETURN:
* SUCCESS : item index
* FAILURE : -1
*/
static LRESULT LISTVIEW_SubItemHitTest(HWND hwnd, LPLVHITTESTINFO lpHitTestInfo)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongW(hwnd, 0);
INT nItem = -1;
lpHitTestInfo->flags = 0;
if (infoPtr->rcList.left > lpHitTestInfo->pt.x)
lpHitTestInfo->flags = LVHT_TOLEFT;
else if (infoPtr->rcList.right < lpHitTestInfo->pt.x)
lpHitTestInfo->flags = LVHT_TORIGHT;
if (infoPtr->rcList.top > lpHitTestInfo->pt.y)
lpHitTestInfo->flags |= LVHT_ABOVE;
else if (infoPtr->rcList.bottom < lpHitTestInfo->pt.y)
lpHitTestInfo->flags |= LVHT_BELOW;
if (lpHitTestInfo->flags == 0)
nItem = LISTVIEW_HitTestItem(hwnd, lpHitTestInfo, TRUE);
return nItem;
}
/*** /***
* DESCRIPTION: * DESCRIPTION:
* Inserts a new column. * Inserts a new column.
@ -9644,7 +9690,8 @@ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
case LVM_SORTITEMS: case LVM_SORTITEMS:
return LISTVIEW_SortItems(hwnd, (PFNLVCOMPARE)lParam, (LPARAM)wParam); return LISTVIEW_SortItems(hwnd, (PFNLVCOMPARE)lParam, (LPARAM)wParam);
/* case LVM_SUBITEMHITTEST: */ case LVM_SUBITEMHITTEST:
return LISTVIEW_SubItemHitTest(hwnd, (LPLVHITTESTINFO)lParam);
case LVM_UPDATE: case LVM_UPDATE:
return LISTVIEW_Update(hwnd, (INT)wParam); return LISTVIEW_Update(hwnd, (INT)wParam);