04/04: [ZIPFLDR] Add 'Extract All' to individual item context menu.

[Mark Jansen]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=572976bb1458d57a97733…

commit 572976bb1458d57a97733a51a709e20f9c97c6e2
Author:     Mark Jansen <mark.jansen(a)reactos.org>
AuthorDate: Thu Aug 2 22:36:17 2018 +0200
Commit:     Mark Jansen <mark.jansen(a)reactos.org>
CommitDate: Sun Aug 5 11:54:56 2018 +0200

    [ZIPFLDR] Add 'Extract All' to individual item context menu.
---
 dll/shellext/zipfldr/CZipFolder.hpp | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/dll/shellext/zipfldr/CZipFolder.hpp b/dll/shellext/zipfldr/CZipFolder.hpp
index 74dc42107b..b541263935 100644
--- a/dll/shellext/zipfldr/CZipFolder.hpp
+++ b/dll/shellext/zipfldr/CZipFolder.hpp
@@ -356,9 +356,33 @@ public:
         switch (uMsg)
         {
         case DFM_MERGECONTEXTMENU:
-            DPRINT1("FIXME: Add menu items for DFM_MERGECONTEXTMENU\n");
+        {
+            CComQIIDPtr<I_ID(IContextMenu)> spContextMenu(psf);
+            if (!spContextMenu)
+                return E_NOINTERFACE;
+
+            QCMINFO *pqcminfo = (QCMINFO *)lParam;
+            HRESULT hr = spContextMenu->QueryContextMenu(pqcminfo->hmenu,
+                                                 pqcminfo->indexMenu,
+                                                 pqcminfo->idCmdFirst,
+                                                 pqcminfo->idCmdLast,
+                                                 CMF_NORMAL);
+            if (FAILED_UNEXPECTEDLY(hr))
+                return hr;
+
+            pqcminfo->indexMenu += HRESULT_CODE(hr);
             return S_OK;
+        }
         case DFM_INVOKECOMMAND:
+        {
+            CComQIIDPtr<I_ID(IContextMenu)> spContextMenu(psf);
+            if (!spContextMenu)
+                return E_NOINTERFACE;
+
+            CMINVOKECOMMANDINFO ici = { sizeof(ici) };
+            ici.lpVerb = MAKEINTRESOURCEA(wParam);
+            return spContextMenu->InvokeCommand(&ici);
+        }
         case DFM_INVOKECOMMANDEX:
         case DFM_GETDEFSTATICID: // Required for Windows 7 to pick a default
             return S_FALSE;