[EXPLORER_NEW]

- Do not allow multiple "Taskbar and Start Menu Properties" windows. Based on patch by Edijs Kolesnikovičs & Grégori Macário Harbs.
CORE-6885 #resolve

svn path=/trunk/; revision=58217

reactos/base/shell/explorer-new/precomp.h

@@ -269,8 +269,8 @@ ProcessStartupItems(VOID);
  * trayprop.h
  */
 
-HWND
+VOID
-DisplayTrayProperties(ITrayWindow *Tray);
+DisplayTrayProperties(IN HWND hwndOwner);
 
 /*
  * desktop.c

reactos/base/shell/explorer-new/trayprop.c

@@ -361,38 +361,26 @@ InitPropSheetPage(PROPSHEETPAGE *psp,
 }
 
 
-HWND
+VOID
-DisplayTrayProperties(ITrayWindow *Tray)
+DisplayTrayProperties(IN HWND hwndOwner)
 {
-    PPROPSHEET_INFO pPropInfo;
+    PROPSHEET_INFO propInfo;
     PROPSHEETHEADER psh;
     PROPSHEETPAGE psp[5];
     TCHAR szCaption[256];
 
-    pPropInfo = HeapAlloc(hProcessHeap,
-                          HEAP_ZERO_MEMORY,
-                          sizeof(PROPSHEET_INFO));
-    if (!pPropInfo)
-    {
-        return NULL;
-    }
-
     if (!LoadString(hExplorerInstance,
                     IDS_TASKBAR_STARTMENU_PROP_CAPTION,
                     szCaption,
                     sizeof(szCaption) / sizeof(szCaption[0])))
     {
-        HeapFree(hProcessHeap,
+        return;
-                 0,
-                 pPropInfo);
-
-        return NULL;
     }
 
     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
     psh.dwSize = sizeof(PROPSHEETHEADER);
     psh.dwFlags =  PSH_PROPSHEETPAGE | PSH_PROPTITLE;
-    psh.hwndParent = NULL;
+    psh.hwndParent = hwndOwner;
     psh.hInstance = hExplorerInstance;
     psh.hIcon = NULL;
     psh.pszCaption = szCaption;
@@ -400,18 +388,11 @@ DisplayTrayProperties(ITrayWindow *Tray)
     psh.nStartPage = 0;
     psh.ppsp = psp;
 
-    InitPropSheetPage(&psp[0], IDD_TASKBARPROP_TASKBAR, TaskbarPageProc, (LPARAM)pPropInfo);
+    InitPropSheetPage(&psp[0], IDD_TASKBARPROP_TASKBAR, TaskbarPageProc, (LPARAM)&propInfo);
-    InitPropSheetPage(&psp[1], IDD_TASKBARPROP_STARTMENU, StartMenuPageProc, (LPARAM)pPropInfo);
+    InitPropSheetPage(&psp[1], IDD_TASKBARPROP_STARTMENU, StartMenuPageProc, (LPARAM)&propInfo);
-    InitPropSheetPage(&psp[2], IDD_TASKBARPROP_NOTIFICATION, NotificationPageProc, (LPARAM)pPropInfo);
+    InitPropSheetPage(&psp[2], IDD_TASKBARPROP_NOTIFICATION, NotificationPageProc, (LPARAM)&propInfo);
-    InitPropSheetPage(&psp[3], IDD_TASKBARPROP_TOOLBARS, ToolbarsPageProc, (LPARAM)pPropInfo);
+    InitPropSheetPage(&psp[3], IDD_TASKBARPROP_TOOLBARS, ToolbarsPageProc, (LPARAM)&propInfo);
-    InitPropSheetPage(&psp[4], IDD_TASKBARPROP_ADVANCED, AdvancedSettingsPageProc, (LPARAM)pPropInfo);
+    InitPropSheetPage(&psp[4], IDD_TASKBARPROP_ADVANCED, AdvancedSettingsPageProc, (LPARAM)&propInfo);
 
     PropertySheet(&psh);
-
-    HeapFree(hProcessHeap,
-             0,
-             pPropInfo);
-
-    // FIXME: return the HWND
-    return NULL;
 }

reactos/base/shell/explorer-new/traywnd.c

@@ -92,7 +92,7 @@ typedef struct
     IMenuPopup *StartMenuPopup;
     HBITMAP hbmStartMenu;
 
-    HWND hWndTrayProperties;
+    HWND hwndTrayPropertiesOwner;
     HWND hwndRunFileDlgOwner;
 } ITrayWindowImpl;
 
@@ -1750,19 +1750,56 @@ ITrayWIndowImpl_GetCaptionFonts(IN OUT ITrayWindow *iface,
     return This->hCaptionFont;
 }
 
+static DWORD WINAPI
+TrayPropertiesThread(IN OUT PVOID pParam)
+{
+    ITrayWindowImpl *This = pParam;
+    HWND hwnd;
+    RECT posRect;
+
+    GetWindowRect(This->hwndStart, &posRect);
+    hwnd = CreateWindowEx(0,
+                          WC_STATIC,
+                          NULL,
+                          WS_OVERLAPPED | WS_DISABLED | WS_CLIPSIBLINGS | WS_BORDER | SS_LEFT,
+                          posRect.left,
+                          posRect.top,
+                          posRect.right - posRect.left,
+                          posRect.bottom - posRect.top,
+                          NULL,
+                          NULL,
+                          NULL,
+                          NULL);
+
+    This->hwndTrayPropertiesOwner = hwnd;
+
+    DisplayTrayProperties(hwnd);
+
+    This->hwndTrayPropertiesOwner = NULL;
+    DestroyWindow(hwnd);
+
+    return 0;
+}
+
 static HWND STDMETHODCALLTYPE
 ITrayWindowImpl_DisplayProperties(IN OUT ITrayWindow *iface)
 {
     ITrayWindowImpl *This = impl_from_ITrayWindow(iface);
+    HWND hTrayProp;
 
-    if (This->hWndTrayProperties != NULL)
+    if (This->hwndTrayPropertiesOwner)
     {
-        BringWindowToTop(This->hWndTrayProperties);
+        hTrayProp = GetLastActivePopup(This->hwndTrayPropertiesOwner);
-        return This->hWndTrayProperties;
+        if (hTrayProp != NULL &&
+            hTrayProp != This->hwndTrayPropertiesOwner)
+        {
+            SetForegroundWindow(hTrayProp);
+            return NULL;
+        }
     }
 
-    This->hWndTrayProperties = DisplayTrayProperties(ITrayWindow_from_impl(This));
+    CloseHandle(CreateThread(NULL, 0, TrayPropertiesThread, This, 0, NULL));
-    return This->hWndTrayProperties;
+    return NULL;
 }
 
 static VOID
@@ -2015,7 +2052,7 @@ RunFileDlgThread(IN OUT PVOID pParam)
 }
 
 static void
-ITrayWindowImpl_ShowRunFileDlg(IN ITrayWindowImpl *This)
+ITrayWindowImpl_DisplayRunFileDlg(IN ITrayWindowImpl *This)
 {
     HWND hRunDlg;
     if (This->hwndRunFileDlgOwner)
@@ -2551,7 +2588,7 @@ HandleTrayContextMenu:
 
                         case IDM_RUN:
                         {
-                            ITrayWindowImpl_ShowRunFileDlg(This);
+                            ITrayWindowImpl_DisplayRunFileDlg(This);
                             break;
                         }
 
@@ -2798,7 +2835,7 @@ TrayMessageLoop(IN OUT ITrayWindow *Tray)
             switch (Msg.wParam)
             {
                 case IDHK_RUN: /* Win+R */
-                    ITrayWindowImpl_ShowRunFileDlg(This);
+                    ITrayWindowImpl_DisplayRunFileDlg(This);
                     break;
             }
         }