Re: [ros-dev] [ros-diffs] [cwittich] 67981: [DEVMGMT_NEW] enable/disable context menu items on selection change

[Ged Murphy]

I also have all the code for this, but for choosing which icons to show in the toolbar. The context menu would have been able to use this code....

-----Original Message-----
From: Ros-diffs [mailto:[e-mail]] On Behalf Of [e-mail]
Sent: 31 May 2015 10:15
To: [e-mail]
Subject: [ros-diffs] [cwittich] 67981: [DEVMGMT_NEW] enable/disable context menu items on selection change

Author: cwittich
Date: Sun May 31 09:14:29 2015
New Revision: 67981

URL: http://svn.reactos.org/svn/reactos?rev=67981&view=rev
Log:
[DEVMGMT_NEW]
enable/disable context menu items on selection change

Modified:
    trunk/reactos/base/applications/mscutils/devmgmt_new/DeviceView.cpp
    trunk/reactos/base/applications/mscutils/devmgmt_new/DeviceView.h
    trunk/reactos/base/applications/mscutils/devmgmt_new/MainWindow.cpp

Modified: trunk/reactos/base/applications/mscutils/devmgmt_new/DeviceView.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/mscutils/...
==============================================================================
--- trunk/reactos/base/applications/mscutils/devmgmt_new/DeviceView.cpp	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/mscutils/devmgmt_new/DeviceView.cpp	[iso-8859-1] Sun May 31 09:14:29 2015
@@ -110,6 +110,30 @@
     (VOID)m_Devices->Uninitialize();

return TRUE;
+}
+
+BOOL CDeviceView::HasChildItem(
+    _In_ HTREEITEM Item)
+{
+    return (TreeView_GetChild(m_hTreeView, Item) != NULL); }
+
+BOOL CDeviceView::IsRootItem(
+    _In_ HTREEITEM Item)
+{
+    return (TreeView_GetRoot(m_hTreeView) == Item); }
+
+BOOL CDeviceView::IsRootItemSelected()
+{
+    return (TreeView_GetRoot(m_hTreeView) == 
+TreeView_GetSelection(m_hTreeView));
+}
+
+VOID CDeviceView::EnableContextMenuItem(
+    _In_ UINT Id,
+    _In_ UINT Enabled)
+{
+    EnableMenuItem(m_hShortcutMenu, Id, Enabled);
 }

VOID

Modified: trunk/reactos/base/applications/mscutils/devmgmt_new/DeviceView.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/mscutils/...
==============================================================================
--- trunk/reactos/base/applications/mscutils/devmgmt_new/DeviceView.h	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/mscutils/devmgmt_new/DeviceView.h	[iso-8859-1] Sun May 31 09:14:29 2015
@@ -34,6 +34,11 @@
     BOOL Initialize();
     BOOL Uninitialize();

+    VOID EnableContextMenuItem(
+        _In_ UINT Id,
+        _In_ UINT Enabled
+        );
+    
     VOID ShowContextMenu(
         _In_ INT xPos,
         _In_ INT yPos
@@ -49,12 +54,27 @@
     VOID Refresh();
     VOID DisplayPropertySheet();
     VOID SetFocus();
-
+    
+    BOOL IsRootItemSelected();
+    
+    BOOL IsRootItem(
+        _In_ HTREEITEM Item
+        );
+    
+    BOOL HasChildItem(
+        _In_ HTREEITEM Item
+        );
+    
     VOID SetDeviceListType(ListDevices List)
     {
         m_ListDevices = List;
     }

+    ListDevices GetDeviceListType()
+    {
+        return m_ListDevices;
+    }
+    
     VOID ShowHiddenDevices(_In_ BOOL ShowHidden)
     {
         m_ShowHidden = ShowHidden;

Modified: trunk/reactos/base/applications/mscutils/devmgmt_new/MainWindow.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/mscutils/...
==============================================================================
--- trunk/reactos/base/applications/mscutils/devmgmt_new/MainWindow.cpp	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/mscutils/devmgmt_new/MainWindow.cpp	[iso-8859-1] Sun May 31 09:14:29 2015
@@ -429,7 +429,61 @@

break;
         }
-
+        
+        case TVN_SELCHANGED:
+        {
+            LPNM_TREEVIEW pnmtv = (LPNM_TREEVIEW)lParam;
+            ListDevices ListType = m_DeviceView->GetDeviceListType();
+            
+            if (ListType == DevicesByType)
+            {
+                if (!m_DeviceView->HasChildItem(pnmtv->itemNew.hItem))
+                {
+                    SendMessage(m_hToolBar,
+                                TB_SETSTATE,
+                                IDC_PROP,
+                                (LPARAM)MAKELONG(TBSTATE_ENABLED, 0));
+
+                    EnableMenuItem(GetMenu(m_hMainWnd), IDC_PROP, MF_ENABLED);
+                    m_DeviceView->EnableContextMenuItem(IDC_PROP, MF_ENABLED);
+                }
+                else
+                {
+                    SendMessage(m_hToolBar,
+                                TB_SETSTATE,
+                                IDC_PROP,
+                                (LPARAM)MAKELONG(TBSTATE_INDETERMINATE, 
+ 0));
+
+                    EnableMenuItem(GetMenu(m_hMainWnd), IDC_PROP, MF_GRAYED);
+                    m_DeviceView->EnableContextMenuItem(IDC_PROP, MF_GRAYED);
+                }
+            }
+            else if (ListType == DevicesByConnection)
+            {
+                if (m_DeviceView->IsRootItem(pnmtv->itemNew.hItem))
+                {
+                    SendMessage(m_hToolBar,
+                                TB_SETSTATE,
+                                IDC_PROP,
+                                (LPARAM)MAKELONG(TBSTATE_INDETERMINATE, 
+ 0));
+
+                    EnableMenuItem(GetMenu(m_hMainWnd), IDC_PROP, MF_GRAYED);
+                    m_DeviceView->EnableContextMenuItem(IDC_PROP, MF_GRAYED);
+                }
+                else
+                {
+                    SendMessage(m_hToolBar,
+                                TB_SETSTATE,
+                                IDC_PROP,
+                                (LPARAM)MAKELONG(TBSTATE_ENABLED, 0));
+
+                    EnableMenuItem(GetMenu(m_hMainWnd), IDC_PROP, MF_ENABLED);
+                    m_DeviceView->EnableContextMenuItem(IDC_PROP, MF_ENABLED);
+                }
+            }
+        }
+        break;
+        
         case NM_DBLCLK:
         {
             m_DeviceView->DisplayPropertySheet();
@@ -438,7 +492,18 @@

case NM_RETURN:
         {
-            m_DeviceView->DisplayPropertySheet();
+            ListDevices ListType = m_DeviceView->GetDeviceListType();
+            if (ListType == DevicesByType)
+            {
+                m_DeviceView->DisplayPropertySheet();
+            }
+            else if (ListType == DevicesByConnection)
+            {
+                if (!m_DeviceView->IsRootItemSelected())
+                {
+                    m_DeviceView->DisplayPropertySheet();
+                }
+            }    
             break;
         }
     }