comctl32/listview: Fix focus index update when item is deleted.
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0c67e653c0
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6227bbcff7
dlls/comctl32
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@ -3447,7 +3447,6 @@ static inline BOOL LISTVIEW_SetItemFocus(LISTVIEW_INFO *infoPtr, INT nItem)
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return oldFocus != infoPtr->nFocusedItem;
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}
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/* Helper function for LISTVIEW_ShiftIndices *only* */
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static INT shift_item(const LISTVIEW_INFO *infoPtr, INT nShiftItem, INT nItem, INT direction)
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{
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if (nShiftItem < nItem) return nShiftItem;
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@ -3459,6 +3458,24 @@ static INT shift_item(const LISTVIEW_INFO *infoPtr, INT nShiftItem, INT nItem, I
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return min(nShiftItem, infoPtr->nItemCount - 1);
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}
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/* This function updates focus index.
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Parameters:
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focus : current focus index
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item : index of item to be added/removed
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direction : add/remove flag
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*/
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static void LISTVIEW_ShiftFocus(LISTVIEW_INFO *infoPtr, INT focus, INT item, INT direction)
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{
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BOOL old_change = infoPtr->bDoChangeNotify;
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infoPtr->bDoChangeNotify = FALSE;
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focus = shift_item(infoPtr, focus, item, direction);
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if (focus != infoPtr->nFocusedItem)
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LISTVIEW_SetItemFocus(infoPtr, focus);
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infoPtr->bDoChangeNotify = old_change;
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}
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/**
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* DESCRIPTION:
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* Updates the various indices after an item has been inserted or deleted.
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@ -3473,14 +3490,13 @@ static INT shift_item(const LISTVIEW_INFO *infoPtr, INT nShiftItem, INT nItem, I
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*/
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static void LISTVIEW_ShiftIndices(LISTVIEW_INFO *infoPtr, INT nItem, INT direction)
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{
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INT nNewFocus;
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BOOL bOldChange;
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/* temporarily disable change notification while shifting items */
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bOldChange = infoPtr->bDoChangeNotify;
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infoPtr->bDoChangeNotify = FALSE;
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TRACE("Shifting %iu, %i steps\n", nItem, direction);
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TRACE("Shifting %i, %i steps\n", nItem, direction);
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ranges_shift(infoPtr->selectionRanges, nItem, direction, infoPtr->nItemCount);
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@ -3488,10 +3504,6 @@ static void LISTVIEW_ShiftIndices(LISTVIEW_INFO *infoPtr, INT nItem, INT directi
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infoPtr->nSelectionMark = shift_item(infoPtr, infoPtr->nSelectionMark, nItem, direction);
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nNewFocus = shift_item(infoPtr, infoPtr->nFocusedItem, nItem, direction);
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if (nNewFocus != infoPtr->nFocusedItem)
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LISTVIEW_SetItemFocus(infoPtr, nNewFocus);
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/* But we are not supposed to modify nHotItem! */
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infoPtr->bDoChangeNotify = bOldChange;
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@ -5664,6 +5676,7 @@ static BOOL LISTVIEW_DeleteItem(LISTVIEW_INFO *infoPtr, INT nItem)
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{
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LVITEMW item;
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const BOOL is_icon = (infoPtr->uView == LV_VIEW_SMALLICON || infoPtr->uView == LV_VIEW_ICON);
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INT focus = infoPtr->nFocusedItem;
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TRACE("(nItem=%d)\n", nItem);
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@ -5714,6 +5727,7 @@ static BOOL LISTVIEW_DeleteItem(LISTVIEW_INFO *infoPtr, INT nItem)
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infoPtr->nItemCount--;
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LISTVIEW_ShiftIndices(infoPtr, nItem, -1);
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LISTVIEW_ShiftFocus(infoPtr, focus, nItem, -1);
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/* now is the invalidation fun */
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if (!is_icon)
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@ -7721,6 +7735,7 @@ static INT LISTVIEW_InsertItemT(LISTVIEW_INFO *infoPtr, const LVITEMW *lpLVItem,
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/* shift indices first so they don't get tangled */
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LISTVIEW_ShiftIndices(infoPtr, nItem, 1);
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LISTVIEW_ShiftFocus(infoPtr, infoPtr->nFocusedItem, nItem, 1);
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/* set the item attributes */
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if (lpLVItem->mask & (LVIF_GROUPID|LVIF_COLUMNS))
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@ -7787,6 +7802,7 @@ static INT LISTVIEW_InsertItemT(LISTVIEW_INFO *infoPtr, const LVITEMW *lpLVItem,
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undo:
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LISTVIEW_ShiftIndices(infoPtr, nItem, -1);
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LISTVIEW_ShiftFocus(infoPtr, infoPtr->nFocusedItem, nItem, -1);
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DPA_DeletePtr(infoPtr->hdpaItems, nItem);
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infoPtr->nItemCount--;
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fail:
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@ -63,6 +63,8 @@ static LVITEMA g_itema;
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static BOOL g_disp_A_to_W;
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/* dispinfo data sent with LVN_LVN_ENDLABELEDIT */
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static NMLVDISPINFO g_editbox_disp_info;
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/* when this is set focus will be tested on LVN_DELETEITEM */
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static BOOL g_focus_test_LVN_DELETEITEM;
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static HWND subclass_editbox(HWND hwndListview);
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@ -454,6 +456,16 @@ static LRESULT WINAPI parent_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LP
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"buffer size %d\n", dispinfo->item.cchTextMax);
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}
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break;
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case LVN_DELETEITEM:
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if (g_focus_test_LVN_DELETEITEM)
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{
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NMLISTVIEW *nmlv = (NMLISTVIEW*)lParam;
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UINT state;
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state = SendMessageA(((NMHDR*)lParam)->hwndFrom, LVM_GETITEMSTATE, nmlv->iItem, LVIS_FOCUSED);
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ok(state == 0, "got state %x\n", state);
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}
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break;
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case NM_HOVER:
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if (g_block_hover) return 1;
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break;
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@ -5291,6 +5303,61 @@ static void test_imagelists(void)
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DestroyWindow(hwnd);
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}
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static void test_deleteitem(void)
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{
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LVITEMA item;
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UINT state;
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HWND hwnd;
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BOOL ret;
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hwnd = create_listview_control(LVS_REPORT);
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insert_item(hwnd, 0);
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insert_item(hwnd, 0);
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insert_item(hwnd, 0);
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insert_item(hwnd, 0);
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insert_item(hwnd, 0);
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g_focus_test_LVN_DELETEITEM = TRUE;
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/* delete focused item (not the last index) */
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item.stateMask = LVIS_FOCUSED;
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item.state = LVIS_FOCUSED;
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ret = SendMessageA(hwnd, LVM_SETITEMSTATE, 2, (LPARAM)&item);
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ok(ret == TRUE, "got %d\n", ret);
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ret = SendMessageA(hwnd, LVM_DELETEITEM, 2, 0);
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ok(ret == TRUE, "got %d\n", ret);
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/* next item gets focus */
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state = SendMessageA(hwnd, LVM_GETITEMSTATE, 2, LVIS_FOCUSED);
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ok(state == LVIS_FOCUSED, "got %x\n", state);
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/* focus last item and delete it */
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item.stateMask = LVIS_FOCUSED;
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item.state = LVIS_FOCUSED;
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ret = SendMessageA(hwnd, LVM_SETITEMSTATE, 3, (LPARAM)&item);
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ok(ret == TRUE, "got %d\n", ret);
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ret = SendMessageA(hwnd, LVM_DELETEITEM, 3, 0);
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ok(ret == TRUE, "got %d\n", ret);
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/* new last item gets focus */
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state = SendMessageA(hwnd, LVM_GETITEMSTATE, 2, LVIS_FOCUSED);
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ok(state == LVIS_FOCUSED, "got %x\n", state);
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/* focus first item and delete it */
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item.stateMask = LVIS_FOCUSED;
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item.state = LVIS_FOCUSED;
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ret = SendMessageA(hwnd, LVM_SETITEMSTATE, 0, (LPARAM)&item);
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ok(ret == TRUE, "got %d\n", ret);
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ret = SendMessageA(hwnd, LVM_DELETEITEM, 0, 0);
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ok(ret == TRUE, "got %d\n", ret);
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/* new first item gets focus */
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state = SendMessageA(hwnd, LVM_GETITEMSTATE, 0, LVIS_FOCUSED);
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ok(state == LVIS_FOCUSED, "got %x\n", state);
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g_focus_test_LVN_DELETEITEM = FALSE;
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DestroyWindow(hwnd);
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}
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START_TEST(listview)
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{
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HMODULE hComctl32;
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@ -5358,6 +5425,7 @@ START_TEST(listview)
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test_dispinfo();
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test_LVM_SETITEMTEXT();
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test_imagelists();
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test_deleteitem();
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if (!load_v6_module(&ctx_cookie, &hCtx))
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{
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@ -5387,6 +5455,7 @@ START_TEST(listview)
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test_scrollnotify();
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test_LVS_EX_TRANSPARENTBKGND();
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test_LVS_EX_HEADERINALLVIEWS();
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test_deleteitem();
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unload_v6_module(ctx_cookie, hCtx);
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