explorerframe: Implement HitTest.

dlls/explorerframe/nstc.c

@@ -422,6 +422,18 @@ static void collapse_all(NSTC2Impl *This, HTREEITEM node)
     if(next) collapse_all(This, next);
 }
 
+static HTREEITEM treeitem_from_point(NSTC2Impl *This, POINT *pt, UINT *hitflag)
+{
+    TVHITTESTINFO tviht;
+    tviht.pt.x = pt->x;
+    tviht.pt.y = pt->y;
+    tviht.hItem = NULL;
+
+    SendMessageW(This->hwnd_tv, TVM_HITTEST, 0, (LPARAM)&tviht);
+    if(hitflag) *hitflag = tviht.flags;
+    return tviht.hItem;
+}
+
 /*************************************************************************
  * NamespaceTree window functions
  */
@@ -1309,8 +1321,25 @@ static HRESULT WINAPI NSTC2_fnHitTest(INameSpaceTreeControl2* iface,
                                       IShellItem **ppsiOut)
 {
     NSTC2Impl *This = (NSTC2Impl*)iface;
-    FIXME("stub, %p (%p, %p)\n", This, ppsiOut, ppt);
+    HTREEITEM hitem;
-    return E_NOTIMPL;
+    TRACE("%p (%p, %p)\n", This, ppsiOut, ppt);
+
+    if(!ppt || !ppsiOut)
+        return E_POINTER;
+
+    *ppsiOut = NULL;
+
+    hitem = treeitem_from_point(This, ppt, NULL);
+    if(hitem)
+        *ppsiOut = shellitem_from_treeitem(This, hitem);
+
+    if(*ppsiOut)
+    {
+        IShellItem_AddRef(*ppsiOut);
+        return S_OK;
+    }
+
+    return S_FALSE;
 }
 
 static HRESULT WINAPI NSTC2_fnGetItemRect(INameSpaceTreeControl2* iface,

dlls/explorerframe/tests/nstc.c

@@ -734,6 +734,7 @@ static void test_basics(void)
     HWND hwnd_tv;
     RECT rc;
     IShellItem *roots[10];
+    POINT pt;
     WCHAR curdirW[MAX_PATH];
     WCHAR buf[MAX_PATH];
     static const WCHAR testdirW[] = {'t','e','s','t','d','i','r',0};
@@ -1555,6 +1556,89 @@ static void test_basics(void)
     hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
     ok(hr == S_OK, "Got (0x%08x)\n", hr);
 
+    /*  HitTest */
+    hr = INameSpaceTreeControl_HitTest(pnstc, NULL, NULL);
+    ok(hr == E_POINTER, "Got 0x%08x\n", hr);
+    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, NULL);
+    ok(hr == E_POINTER, "Got 0x%08x\n", hr);
+    hr = INameSpaceTreeControl_HitTest(pnstc, NULL, &psi);
+    ok(hr == E_POINTER, "Got 0x%08x\n", hr);
+
+    psi = (void*)0xdeadbeef;
+    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
+    ok(hr == S_FALSE, "Got 0x%08x\n", hr);
+    ok(psi == NULL, "Got psi %p\n", psi);
+
+    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir,
+                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
+                                          NSTCRS_EXPANDED, NULL);
+    ok(hr == S_OK, "Got 0x%08x\n", hr);
+    process_msgs();
+
+    pt.x = pt.y = 0;
+    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
+    ok(hr == S_OK, "Got 0x%08x\n", hr);
+    if(SUCCEEDED(hr))
+    {
+        int cmp;
+        hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
+        ok(hr == S_OK, "Got 0x%08x\n", hr);
+        ok(!cmp, "Got cmp %d\n", cmp);
+        IShellItem_Release(psi);
+    }
+
+    pt.y += height - 1;
+    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
+    ok(hr == S_OK, "Got 0x%08x\n", hr);
+    if(SUCCEEDED(hr))
+    {
+        int cmp;
+        hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
+        ok(hr == S_OK, "Got 0x%08x\n", hr);
+        ok(!cmp, "Got cmp %d\n", cmp);
+        IShellItem_Release(psi);
+    }
+
+    pt.y += 1;
+    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
+    ok(hr == S_OK, "Got 0x%08x\n", hr);
+    if(SUCCEEDED(hr))
+    {
+        int cmp;
+        todo_wine
+        {
+            hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
+            ok(hr == S_FALSE, "Got 0x%08x\n", hr);
+            ok(cmp, "no cmp value.\n");
+            hr = IShellItem_Compare(psi, psitestdir2, SICHINT_DISPLAY, &cmp);
+            ok(hr == S_OK, "Got 0x%08x\n", hr);
+            ok(!cmp, "Got cmp %d\n", cmp);
+        }
+        IShellItem_Release(psi);
+    }
+
+    hr = INameSpaceTreeControl_GetItemRect(pnstc, psitestdir2, &rc);
+    ok(hr == S_OK, "Got 0x%08x\n", hr);
+    if(SUCCEEDED(hr))
+    {
+        MapWindowPoints(NULL, hwnd, (POINT*)&rc, 2);
+        pt.x = rc.left; pt.y = rc.top;
+
+        hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
+        ok(hr == S_OK, "Got 0x%08x\n", hr);
+        if(SUCCEEDED(hr))
+        {
+            int cmp;
+            hr = IShellItem_Compare(psi, psitestdir2, SICHINT_DISPLAY, &cmp);
+            ok(hr == S_OK, "Got 0x%08x\n", hr);
+            ok(!cmp, "Got cmp %d\n", cmp);
+            IShellItem_Release(psi);
+        }
+    }
+
+    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
+    ok(hr == S_OK, "Got 0x%08x\n", hr);
+
     IShellItem_Release(psidesktop);
     IShellItem_Release(psidesktop2);
     IShellItem_Release(psitestdir);