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comctl32/listview: Use mask to disable change notifications. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Fabian Maurer 2018-08-26 23:27:25 +03:00 committed by Alexandre Julliard
parent 7de2754cc6
commit d8dd281652
1 changed files with 28 additions and 20 deletions
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48
dlls/comctl32/listview.c
View File

@ -211,6 +211,12 @@ typedef struct tagDELAYED_ITEM_EDIT
INT iItem;
} DELAYED_ITEM_EDIT;
enum notification_mask
{
NOTIFY_MASK_ITEM_CHANGE = 0x1,
NOTIFY_MASK_UNMASK_ALL = 0xffffffff
};
typedef struct tagLISTVIEW_INFO
{
/* control window */
@ -225,7 +231,7 @@ typedef struct tagLISTVIEW_INFO
/* notification window */
SHORT notifyFormat;
HWND hwndNotify;
BOOL bDoChangeNotify; /* send change notification messages? */
DWORD notify_mask;
UINT uCallbackMask;
/* tooltips */
@ -3507,13 +3513,13 @@ Parameters:
*/
static void LISTVIEW_ShiftFocus(LISTVIEW_INFO *infoPtr, INT focus, INT item, INT direction)
{
BOOL old_change = infoPtr->bDoChangeNotify;
DWORD old_mask = infoPtr->notify_mask & NOTIFY_MASK_ITEM_CHANGE;
infoPtr->bDoChangeNotify = FALSE;
infoPtr->notify_mask &= ~NOTIFY_MASK_ITEM_CHANGE;
focus = shift_item(infoPtr, focus, item, direction);
if (focus != infoPtr->nFocusedItem)
LISTVIEW_SetItemFocus(infoPtr, focus);
infoPtr->bDoChangeNotify = old_change;
infoPtr->notify_mask |= old_mask;
}
/**
@ -3556,8 +3562,8 @@ static BOOL LISTVIEW_AddGroupSelection(LISTVIEW_INFO *infoPtr, INT nItem)
INT nLast = max(infoPtr->nSelectionMark, nItem);
HWND hwndSelf = infoPtr->hwndSelf;
NMLVODSTATECHANGE nmlv;
DWORD old_mask;
LVITEMW item;
BOOL bOldChange;
INT i;
/* Temporarily disable change notification
@ -3565,8 +3571,9 @@ static BOOL LISTVIEW_AddGroupSelection(LISTVIEW_INFO *infoPtr, INT nItem)
* only one LVN_ODSTATECHANGED notification.
* See MSDN documentation for LVN_ITEMCHANGED.
*/
bOldChange = infoPtr->bDoChangeNotify;
if (infoPtr->dwStyle & LVS_OWNERDATA) infoPtr->bDoChangeNotify = FALSE;
old_mask = infoPtr->notify_mask & NOTIFY_MASK_ITEM_CHANGE;
if (infoPtr->dwStyle & LVS_OWNERDATA)
infoPtr->notify_mask &= ~NOTIFY_MASK_ITEM_CHANGE;
if (nFirst == -1) nFirst = nItem;
@ -3585,7 +3592,7 @@ static BOOL LISTVIEW_AddGroupSelection(LISTVIEW_INFO *infoPtr, INT nItem)
notify_hdr(infoPtr, LVN_ODSTATECHANGED, (LPNMHDR)&nmlv);
if (!IsWindow(hwndSelf))
return FALSE;
infoPtr->bDoChangeNotify = bOldChange;
infoPtr->notify_mask |= old_mask;
return TRUE;
}
@ -3604,9 +3611,9 @@ static BOOL LISTVIEW_AddGroupSelection(LISTVIEW_INFO *infoPtr, INT nItem)
static void LISTVIEW_SetGroupSelection(LISTVIEW_INFO *infoPtr, INT nItem)
{
RANGES selection;
DWORD old_mask;
LVITEMW item;
ITERATOR i;
BOOL bOldChange;
if (!(selection = ranges_create(100))) return;
@ -3656,8 +3663,9 @@ static void LISTVIEW_SetGroupSelection(LISTVIEW_INFO *infoPtr, INT nItem)
/* disable per item notifications on LVS_OWNERDATA style
FIXME: single LVN_ODSTATECHANGED should be used */
bOldChange = infoPtr->bDoChangeNotify;
if (infoPtr->dwStyle & LVS_OWNERDATA) infoPtr->bDoChangeNotify = FALSE;
old_mask = infoPtr->notify_mask & NOTIFY_MASK_ITEM_CHANGE;
if (infoPtr->dwStyle & LVS_OWNERDATA)
infoPtr->notify_mask &= ~NOTIFY_MASK_ITEM_CHANGE;
LISTVIEW_DeselectAllSkipItems(infoPtr, selection);
@ -3668,8 +3676,7 @@ static void LISTVIEW_SetGroupSelection(LISTVIEW_INFO *infoPtr, INT nItem)
/* this will also destroy the selection */
iterator_destroy(&i);
infoPtr->bDoChangeNotify = bOldChange;
infoPtr->notify_mask |= old_mask;
LISTVIEW_SetItemFocus(infoPtr, nItem);
}
@ -4257,7 +4264,7 @@ static BOOL set_main_item(LISTVIEW_INFO *infoPtr, const LVITEMW *lpLVItem, BOOL
and we are _NOT_ virtual (LVS_OWNERDATA), and change notifications
are enabled. Even nothing really changed we still need to send this,
in this case uChanged mask is just set to passed item mask. */
if(lpItem && !isNew && infoPtr->bDoChangeNotify)
if (lpItem && !isNew && (infoPtr->notify_mask & NOTIFY_MASK_ITEM_CHANGE))
{
HWND hwndSelf = infoPtr->hwndSelf;
@ -4350,7 +4357,8 @@ static BOOL set_main_item(LISTVIEW_INFO *infoPtr, const LVITEMW *lpLVItem, BOOL
/* send LVN_ITEMCHANGED notification */
if (lpLVItem->mask & LVIF_PARAM) nmlv.lParam = lpLVItem->lParam;
if (infoPtr->bDoChangeNotify) notify_listview(infoPtr, LVN_ITEMCHANGED, &nmlv);
if (infoPtr->notify_mask & NOTIFY_MASK_ITEM_CHANGE)
notify_listview(infoPtr, LVN_ITEMCHANGED, &nmlv);
return TRUE;
}
@ -8973,7 +8981,7 @@ static BOOL LISTVIEW_SetItemState(LISTVIEW_INFO *infoPtr, INT nItem, const LVITE
if (nItem == -1)
{
UINT oldstate = 0;
BOOL notify;
DWORD old_mask;
/* special case optimization for recurring attempt to deselect all */
if (lvItem.state == 0 && lvItem.stateMask == LVIS_SELECTED && !LISTVIEW_GetSelectedCount(infoPtr))
@ -8986,10 +8994,10 @@ static BOOL LISTVIEW_SetItemState(LISTVIEW_INFO *infoPtr, INT nItem, const LVITE
/* focus all isn't allowed */
if (lvItem.state & lvItem.stateMask & LVIS_FOCUSED) return FALSE;
notify = infoPtr->bDoChangeNotify;
old_mask = infoPtr->notify_mask & NOTIFY_MASK_ITEM_CHANGE;
if (infoPtr->dwStyle & LVS_OWNERDATA)
{
infoPtr->bDoChangeNotify = FALSE;
infoPtr->notify_mask &= ~NOTIFY_MASK_ITEM_CHANGE;
if (!(lvItem.state & LVIS_SELECTED) && LISTVIEW_GetSelectedCount(infoPtr))
oldstate |= LVIS_SELECTED;
if (infoPtr->nFocusedItem != -1) oldstate |= LVIS_FOCUSED;
@ -9003,7 +9011,7 @@ static BOOL LISTVIEW_SetItemState(LISTVIEW_INFO *infoPtr, INT nItem, const LVITE
{
NMLISTVIEW nmlv;
infoPtr->bDoChangeNotify = notify;
infoPtr->notify_mask |= old_mask;
nmlv.iItem = -1;
nmlv.iSubItem = 0;
@ -9484,7 +9492,7 @@ static LRESULT LISTVIEW_NCCreate(HWND hwnd, WPARAM wParam, const CREATESTRUCTW *
infoPtr->nHotItem = -1;
infoPtr->redraw = TRUE;
infoPtr->bNoItemMetrics = TRUE;
infoPtr->bDoChangeNotify = TRUE;
infoPtr->notify_mask = NOTIFY_MASK_UNMASK_ALL;
infoPtr->autoSpacing = TRUE;
infoPtr->iconSpacing.cx = GetSystemMetrics(SM_CXICONSPACING) - GetSystemMetrics(SM_CXICON);
infoPtr->iconSpacing.cy = GetSystemMetrics(SM_CYICONSPACING) - GetSystemMetrics(SM_CYICON);