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1572 lines
47 KiB
1572 lines
47 KiB
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////////////////////////////////////////////////////////////////////////////////
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//
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// File: Desktop.cpp
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// Created: Jan 1996
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// By: Ryan Marshall (a-ryanm) and Martin Holladay (a-martih)
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//
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// Project: Resource Kit Desktop Switcher (MultiDesk)
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//
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//
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// Revision History:
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//
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// March 1997 - Add external icon capability
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//
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////////////////////////////////////////////////////////////////////////////////
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#include <windows.h>
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#include <stdio.h>
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#include <assert.h>
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#include <shellapi.h>
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#include <lmaccess.h>
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#include <lmapibuf.h>
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#include <stdlib.h>
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#include <sddl.h>
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#include "Deskspc.h"
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#include "Desktop.h"
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#include "Registry.h"
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#include "resource.h"
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#include <saifer.h>
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extern APPVARS AppMember;
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BOOL __SetDesktopScheme(PDESKTOP_SCHEME pDS);
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BOOL __GetDesktopScheme(PDESKTOP_SCHEME pDS);
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BOOL __UpdateDesktopRegistry(PDESKTOP_SCHEME pDS);
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BOOL __CopyDesktopScheme(PDESKTOP_SCHEME pDS1, PDESKTOP_SCHEME pDS2);
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HICON __LoadBuiltinIcon(UINT nIconNumber, HINSTANCE hDeskInstance);
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BOOL __CreateDefaultName(UINT DeskNum, LPTSTR DesktopName);
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Constructor for CDestop class. */
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/* */
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/*------------------------------------------------------------------------------*/
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CDesktop::CDesktop()
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{
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BeginRundown = FALSE;
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//
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// Set the default desktop
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//
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DefaultDesktop = GetThreadDesktop(GetCurrentThreadId());
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//
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// Intialize our default icons
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//
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ZeroMemory((PVOID) DefaultIconArray, (sizeof(HICON) * NUM_BUILTIN_ICONS));
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}
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Destructor for CDestop class. */
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/* */
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/*------------------------------------------------------------------------------*/
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CDesktop::~CDesktop()
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{
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UINT i;
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// Need to cleanup DesktopList; closing the hDesktop in each node
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// and then delete node memory using GlobalFree(). In addition deletion
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// must start at the end of the list sawing off last node one at a time.
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//
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GlobalFree(m_DesktopList);
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//
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// Close up our default icons
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//
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for (i = 0; i < NUM_BUILTIN_ICONS; i++)
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{
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if (DefaultIconArray[i])
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DestroyIcon(DefaultIconArray[i]);
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}
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}
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/*------------------------------------------------------------------------------*/
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/*------------------------------- PUBLIC FUNCTIONS -----------------------------*/
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/*------------------------------------------------------------------------------*/
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UINT
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CDesktop::InitializeDesktops
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(
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DispatchFnType CreateDisplayFn,
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HINSTANCE hInstance
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)
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{
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UINT ii;
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UINT RegNumOfDesktops;
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BOOL m_bFirstTime = TRUE;
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//
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// Set the hInstance and get the default icons
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//
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hDeskInstance = hInstance;
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for (ii = 0; ii < NUM_BUILTIN_ICONS; ii++)
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DefaultIconArray[ii] = __LoadBuiltinIcon(ii+1, hDeskInstance);
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//
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// Get Information from the registry.
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//
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if (Profile_GetNewContext(&RegNumOfDesktops))
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{
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m_bFirstTime = FALSE;
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}
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if ((RegNumOfDesktops > 32) || (RegNumOfDesktops < 1))
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{
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m_bFirstTime = TRUE;
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}
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//// Allocate the first node ////
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m_DesktopList = (PDESKTOP_NODE) GlobalAlloc(GMEM_FIXED, sizeof(DESKTOP_NODE));
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assert(m_DesktopList != NULL);
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//// Fill in default values for first node ////
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m_DesktopList->nextDN = NULL;
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m_DesktopList->DS.Initialized = FALSE;
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m_DesktopList->ThreadId = GetCurrentThreadId();
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m_DesktopList->bThread = TRUE;
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m_DesktopList->hWnd = NULL;
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m_DesktopList->hDesktop = GetThreadDesktop(GetCurrentThreadId());
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m_DesktopList->nIconID = 0;
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m_DesktopList->RealDesktopName[0] = TEXT('\0');
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__GetDesktopScheme(&(m_DesktopList->DS));
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//
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// Set some environ vars to init states
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//
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NumOfDesktops = 1;
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CurrentDesktop = 0;
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if (m_bFirstTime)
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{ // No old registry info, create default desktops
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//
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// Set desktop 0's name
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//
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__CreateDefaultName(1, m_DesktopList->DesktopName);
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if (DEFAULT_NUM_DESKTOPS > 1)
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{
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for (ii = 1; ii < DEFAULT_NUM_DESKTOPS; ii++)
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{
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AddDesktop(CreateDisplayFn, NULL);
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}
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}
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}
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else
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{ // Registry info present
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//
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// Set desktop 0's name
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//
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if ( !Profile_LoadDesktopContext(0,
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m_DesktopList->DesktopName,
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m_DesktopList->SaiferName,
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&m_DesktopList->nIconID) )
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{
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__CreateDefaultName(1, m_DesktopList->DesktopName);
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m_DesktopList->nIconID = 0;
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}
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for (ii = 1; ii < RegNumOfDesktops; ii++)
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{
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TCHAR DesktopName[MAX_NAME_LENGTH];
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TCHAR SaiferName[MAX_NAME_LENGTH];
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UINT nIconID;
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AddDesktop(CreateDisplayFn, NULL);
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//// Place registry info into the node for this desktop ////
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if (Profile_LoadDesktopContext(ii,
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DesktopName,
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SaiferName,
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&nIconID) )
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{
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// Successfully got all info from registry
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SetDesktopName(ii, DesktopName);
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SetDesktopIconID(ii, nIconID);
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SetSaiferName(ii, SaiferName);
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}
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else
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{
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// Could not get all info from registry
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__CreateDefaultName(ii+1, DesktopName);
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SetDesktopName(ii, DesktopName);
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SetDesktopIconID(ii, ii);
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SetSaiferName(ii, TEXT(""));
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}
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if (!GetRegColorStruct(ii))
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DuplicateDefaultScheme(ii);
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} // End for loop
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}
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return NumOfDesktops;
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}
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Access the default desktop handle. */
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/* */
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/* Returns: The default desktop handle. */
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/* */
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/*------------------------------------------------------------------------------*/
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HDESK CDesktop::GetDefaultDesktop(VOID) const
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{
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return DefaultDesktop;
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}
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Access the number of desktops. */
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/* */
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/* Returns: The number of desktops. */
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/* */
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/*------------------------------------------------------------------------------*/
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UINT CDesktop::GetNumDesktops(VOID) const
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{
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return NumOfDesktops;
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}
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Determine the currently active desktop. */
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/* */
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/* Returns: The active desktop. */
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/* */
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/*------------------------------------------------------------------------------*/
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UINT CDesktop::GetActiveDesktop(VOID) const
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{
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return CurrentDesktop;
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}
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Creates a new desktop. */
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/* */
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/* Returns: The index number of the newly created desktop. Zero if error. */
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/* */
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/*------------------------------------------------------------------------------*/
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UINT CDesktop::AddDesktop
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(
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DispatchFnType CreateDisplayFn,
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LPSECURITY_ATTRIBUTES lpSA,
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UINT uTemplate
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)
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{
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PDESKTOP_NODE pCurrentNode;
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TCHAR szMessage[MAX_PATH];
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PTHREAD_DATA pData;
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HDESK hDesktop;
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LUID UniqueId;
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UINT i;
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TCHAR UniqueDesktopName[MAX_NAME_LENGTH];
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//// Create Desktop ////
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if (AllocateLocallyUniqueId(&UniqueId))
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{
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wsprintf(UniqueDesktopName, TEXT("%d"), UniqueId.LowPart);
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hDesktop = CreateDesktop(
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UniqueDesktopName,
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NULL,
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NULL,
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0,
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MAXIMUM_ALLOWED,
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lpSA);
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if (hDesktop == NULL)
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{
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if (GetLastError() == ERROR_NOT_ENOUGH_MEMORY)
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{
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wsprintf(szMessage, TEXT("Not enough memory to create destkop.\n\nError: %d\n"), GetLastError());
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MessageBox(NULL, szMessage, TEXT("MultiDesk Desktop Not Created"), MB_TASKMODAL | MB_ICONEXCLAMATION | MB_OK);
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}
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return 0;
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}
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}
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else
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{
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return 0;
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}
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//// Walk the desktop node list to find end
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//// Then add new node to end of list
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i = 1;
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pCurrentNode = m_DesktopList;
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while (pCurrentNode)
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{
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if ( !pCurrentNode->nextDN ) // Found end of list; let's add new node
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{
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NumOfDesktops++;
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pCurrentNode->nextDN = (PDESKTOP_NODE) GlobalAlloc(GMEM_FIXED, sizeof(DESKTOP_NODE));
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pCurrentNode = pCurrentNode->nextDN;
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pCurrentNode->hDesktop = hDesktop;
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pCurrentNode->hWnd = NULL;
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pCurrentNode->nextDN = NULL;
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pCurrentNode->ThreadId = 0;
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pCurrentNode->DS.Initialized = FALSE;
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if ( 0 == uTemplate )
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{
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__CopyDesktopScheme(&(m_DesktopList->DS), &(pCurrentNode->DS));
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}
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else
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{
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DESKTOP_NODE * pNode;
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pNode = GetDesktopNode(uTemplate);
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if ( pNode->DS.Initialized )
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{
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__CopyDesktopScheme(&(pNode->DS), &(pCurrentNode->DS));
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}
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else
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{
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__CopyDesktopScheme(&(m_DesktopList->DS), &(pCurrentNode->DS));
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}
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}
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lstrcpy(pCurrentNode->RealDesktopName, UniqueDesktopName);
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__CreateDefaultName(NumOfDesktops, pCurrentNode->DesktopName);
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pCurrentNode->SaiferName[0] = TEXT('\0');
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pCurrentNode->lpSA = lpSA;
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pCurrentNode->nIconID = i;
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pCurrentNode->bThread = TRUE;
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pCurrentNode->bShellStarted = FALSE;
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//// Alllocate THREAD_DATA struct and fill in.
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pData = (PTHREAD_DATA)GlobalAlloc(GMEM_FIXED, sizeof(THREAD_DATA));
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pData->hDesktop = hDesktop;
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pData->hDefaultDesktop = DefaultDesktop;
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pData->CreateDisplayFn = CreateDisplayFn;
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lstrcpy(pData->RealDesktopName, UniqueDesktopName);
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//// Start the thread to run this desktop ////
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HANDLE hThread;
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hThread = CreateThread(NULL,
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0,
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(LPTHREAD_START_ROUTINE)ThreadInit,
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(LPVOID)pData,
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0,
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&(pCurrentNode->ThreadId));
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CloseHandle(hThread);
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}
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i++;
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pCurrentNode = pCurrentNode->nextDN;
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}
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return NumOfDesktops;
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}
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Returns pointer to desktop node given number of desktop. */
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/* */
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/*------------------------------------------------------------------------------*/
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DESKTOP_NODE *CDesktop::GetDesktopNode( UINT uNode )
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{
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DESKTOP_NODE * pNode = NULL;
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DESKTOP_NODE * pWalker = m_DesktopList;
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UINT uNumDesktops = GetNumDesktops();
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UINT ii;
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if ( uNode < uNumDesktops )
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{
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for ( ii = 0; ii < uNode; ii++ )
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{
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pWalker = pWalker->nextDN;
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}
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pNode = pWalker;
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}
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return pNode;
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}
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Save scheme settings of current desktop to desktop node */
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/* */
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/*------------------------------------------------------------------------------*/
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BOOL
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CDesktop::SaveCurrentDesktopScheme()
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{
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DESKTOP_NODE * pNodeWalker;
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UINT ii;
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BOOL rVal = FALSE;
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ii = 0;
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pNodeWalker = m_DesktopList;
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while (pNodeWalker)
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{
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if (ii == CurrentDesktop)
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{
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__GetDesktopScheme(&(pNodeWalker->DS));
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rVal = TRUE;
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}
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ii++;
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pNodeWalker = pNodeWalker->nextDN;
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}
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return rVal;
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}
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Removes an old desktop. */
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/* */
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/* Returns: The number of remaining desktops. Zero if error. */
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/* User GetLastError() to retrieve error information. */
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/* */
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/*------------------------------------------------------------------------------*/
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UINT CDesktop::RemoveDesktop(UINT DesktopNumber)
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{
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PDESKTOP_NODE pCurrentNode;
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PDESKTOP_NODE pPreviousNode;
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BOOL Found;
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UINT ii;
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UINT rValue = 0;
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//
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// Return an error if trying to delete desktop zero.
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//
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if ((DesktopNumber == 0) || (NumOfDesktops == 1))
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{
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SetLastError(ERROR_CANNOT_DELETE_DESKTOP_ZERO);
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return 0;
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}
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//
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// Return an error if an invalid desktop number
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//
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if (DesktopNumber > (NumOfDesktops - 1))
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{
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SetLastError(ERROR_INVALID_DESKTOP_NUMBER);
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return 0;
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}
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//
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// If we are deleting the active desktop. Switch to desktop zero.
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//
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if (DesktopNumber == CurrentDesktop)
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{
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if (!ActivateDesktop(0))
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{
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SetLastError(ERROR_CANNOT_DELETE_ACTIVE_DESKTOP);
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return FALSE;
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}
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}
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//
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// Find the data structure; walk the linked list of desktops
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//
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Found = FALSE;
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ii = 1;
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pPreviousNode = m_DesktopList;
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pCurrentNode = m_DesktopList->nextDN;
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while (pCurrentNode && (!Found))
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{
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if (DesktopNumber == ii)
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{
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//
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// Full Context desktop
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//
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if (pCurrentNode->bThread)
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{
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PostThreadMessage(pCurrentNode->ThreadId, WM_KILL_APPS, (WPARAM) pCurrentNode->hDesktop, (LPARAM) pCurrentNode->hWnd);
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Sleep(100);
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rValue = SUCCESS_THREAD_TERMINATION;
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}
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else
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{
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//
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// BUGBUG: Kill all virtual apps
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//
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rValue = SUCCESS_VIRTUAL_MOVE;
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}
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NumOfDesktops--;
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pPreviousNode->nextDN = pCurrentNode->nextDN;
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GlobalFree(pCurrentNode); // Destroy Node of removed desktop!!!
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Found = TRUE;
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}
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else
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{ // Advance along list of nodes
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ii++;
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pPreviousNode = pCurrentNode;
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pCurrentNode = pCurrentNode->nextDN;
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}
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} // End while LOOP
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return rValue;
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}
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|
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/*------------------------------------------------------------------------------*/
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/* */
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/* Purpose: Kill all programs on a desktop. */
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/* */
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/*------------------------------------------------------------------------------*/
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static BOOL CALLBACK __EnumWindowsForClose(HWND hWnd, LPARAM lParam)
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{
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TCHAR szClass[MAX_NAME_LENGTH];
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HWND hDesktopWnd;
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//
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// Make sure that it isn't the desktop window
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//
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hDesktopWnd = (HWND) lParam;
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if (hDesktopWnd == hWnd)
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{
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return TRUE;
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}
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GetClassName(hWnd, szClass, MAX_NAME_LENGTH);
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if (szClass[0] == TEXT('#'))
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{
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return TRUE;
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|
}
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|
|
|
//
|
|
// Send a close message to the app
|
|
//
|
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PostMessage(hWnd, WM_CLOSE, (WPARAM) WM_NO_CLOSE, 0);
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return TRUE;
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}
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|
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static BOOL CALLBACK __EnumWindowsForQuit(HWND hWnd, LPARAM lParam)
|
|
{
|
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TCHAR szClass[MAX_NAME_LENGTH];
|
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HWND hDesktopWnd;
|
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//
|
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// Make sure that it isn't the desktop window
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//
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hDesktopWnd = (HWND) lParam;
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if (hDesktopWnd == hWnd) return TRUE;
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|
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//
|
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// Extract the Class Name
|
|
//
|
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GetClassName(hWnd, szClass, MAX_NAME_LENGTH);
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if (szClass[0] == TEXT('#')) return TRUE;
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|
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//
|
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// Send a quit message to the app
|
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//
|
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PostMessage(hWnd, WM_QUIT, (WPARAM) WM_NO_CLOSE, 0);
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return TRUE;
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}
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|
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BOOL CDesktop::KillAppsOnDesktop(HDESK hDesk, HWND hWnd)
|
|
{
|
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HWND hDesktopWnd;
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|
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hDesktopWnd = GetDesktopWindow();
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|
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EnumDesktopWindows(hDesk, (WNDENUMPROC) __EnumWindowsForClose, (LPARAM) hDesktopWnd);
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Sleep(0);
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EnumDesktopWindows(hDesk, (WNDENUMPROC) __EnumWindowsForQuit, (LPARAM) hDesktopWnd);
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return TRUE;
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|
}
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Switches to an existing desktop. */
|
|
/* */
|
|
/* Returns: The index number of the newly created desktop. Zero if error. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL
|
|
CDesktop::ActivateDesktop(UINT DesktopNumber)
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
BOOL Success;
|
|
UINT i;
|
|
PROCESS_INFORMATION pi;
|
|
STARTUPINFO sui;
|
|
TCHAR szShellPath[MAX_PATH + 1];
|
|
|
|
//
|
|
// Return immediately if trying to switch to ourself.
|
|
//
|
|
if (CurrentDesktop == DesktopNumber)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
//// Save desktop scheme for current desktop ////
|
|
|
|
SaveCurrentDesktopScheme();
|
|
|
|
//
|
|
// Active the new desktop
|
|
//
|
|
i = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (i == DesktopNumber)
|
|
{
|
|
Success = SwitchDesktop(pCurrentNode->hDesktop);
|
|
if (Success)
|
|
{
|
|
CurrentDesktop = i;
|
|
|
|
// Start Explorer if necessary - skipping 0 == default desktop
|
|
|
|
if (!pCurrentNode->bShellStarted && CurrentDesktop != 0)
|
|
{
|
|
HANDLE hToken = NULL;
|
|
|
|
|
|
lstrcpy(szShellPath, TEXT("EXPLORER.EXE"));
|
|
ZeroMemory((PVOID)&sui, sizeof(sui));
|
|
|
|
sui.lpDesktop = pCurrentNode->RealDesktopName;
|
|
sui.cb = sizeof(sui);
|
|
sui.lpReserved = NULL;
|
|
sui.lpTitle = NULL;
|
|
sui.dwFlags = STARTF_USESHOWWINDOW;
|
|
sui.wShowWindow = SW_SHOW;
|
|
sui.cbReserved2 = 0;
|
|
sui.cbReserved2 = NULL;
|
|
|
|
#if 1
|
|
if (pCurrentNode->SaiferName[0] != TEXT('\0'))
|
|
{
|
|
HAUTHZOBJECT hAuthzObj;
|
|
if (CreateCodeAuthzObject(
|
|
AUTHZSCOPE_HKCU, pCurrentNode->SaiferName,
|
|
AUTHZ_OPENEXISTING, &hAuthzObj) ||
|
|
CreateCodeAuthzObject(
|
|
AUTHZSCOPE_HKLM, pCurrentNode->SaiferName,
|
|
AUTHZ_OPENEXISTING, &hAuthzObj))
|
|
{
|
|
if (ComputeAccessTokenFromCodeAuthzObject(
|
|
hAuthzObj,
|
|
NULL, // source token
|
|
&hToken, // target token
|
|
0)) // no flags
|
|
{
|
|
// We successfully got the Restricted Token
|
|
// to use, so it had better be non-null.
|
|
assert(hToken != NULL);
|
|
}
|
|
CloseCodeAuthzObject(hAuthzObj);
|
|
}
|
|
if (hToken == NULL)
|
|
{
|
|
CurrentDesktop = 0;
|
|
SwitchDesktop(m_DesktopList->hDesktop);
|
|
PostThreadMessage(m_DesktopList->ThreadId, WM_THREAD_SCHEME_UPDATE, 0, 0);
|
|
Message(TEXT("The SAIFER Object Name specified for this "
|
|
"desktop could not be successfully found or instantianted."));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (hToken != NULL) {
|
|
Success = CreateProcessAsUser(
|
|
hToken,
|
|
NULL,
|
|
szShellPath,
|
|
NULL,
|
|
NULL,
|
|
FALSE,
|
|
CREATE_DEFAULT_ERROR_MODE | CREATE_SEPARATE_WOW_VDM,
|
|
NULL,
|
|
NULL,
|
|
&sui,
|
|
&pi);
|
|
CloseHandle(hToken);
|
|
}
|
|
else
|
|
#endif
|
|
Success = CreateProcess(
|
|
NULL,
|
|
szShellPath,
|
|
NULL,
|
|
NULL,
|
|
FALSE,
|
|
CREATE_DEFAULT_ERROR_MODE | CREATE_SEPARATE_WOW_VDM,
|
|
NULL,
|
|
NULL,
|
|
&sui,
|
|
&pi);
|
|
|
|
pCurrentNode->bShellStarted = Success;
|
|
|
|
if (Success) {
|
|
CloseHandle(pi.hThread);
|
|
CloseHandle(pi.hProcess);
|
|
} else {
|
|
CurrentDesktop = 0;
|
|
SwitchDesktop(m_DesktopList->hDesktop);
|
|
PostThreadMessage(m_DesktopList->ThreadId, WM_THREAD_SCHEME_UPDATE, 0, 0);
|
|
Message(TEXT("The Windows shell could not be successfully launched."));
|
|
return FALSE;
|
|
}
|
|
|
|
}
|
|
|
|
PostThreadMessage(pCurrentNode->ThreadId, WM_THREAD_SCHEME_UPDATE, 0, 0);
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
} // End while LOOP
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Sets a desktop name. (Rename) */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::SetDesktopName(UINT DesktopNumber, LPCTSTR DesktopName)
|
|
{
|
|
UINT i;
|
|
BOOL Found;
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
//
|
|
// Verify valid string.
|
|
//
|
|
if ((!DesktopName) || (lstrlen(DesktopName) > MAX_NAME_LENGTH))
|
|
return FALSE;
|
|
|
|
//
|
|
// Change the name in our data structure.
|
|
//
|
|
i = 0;
|
|
Found = FALSE;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode && !Found)
|
|
{
|
|
if (i == DesktopNumber)
|
|
{
|
|
lstrcpy(pCurrentNode->DesktopName, DesktopName);
|
|
Found = TRUE;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return Found;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets a desktop name. (Rename) */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::GetDesktopName(UINT DesktopNumber, LPTSTR DesktopName, UINT size) const
|
|
{
|
|
UINT i;
|
|
BOOL Found;
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
//
|
|
// Get the name from our data structure.
|
|
//
|
|
i = 0;
|
|
Found = FALSE;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode && !Found)
|
|
{
|
|
if (i == DesktopNumber)
|
|
{
|
|
if ((UINT) lstrlen(pCurrentNode->DesktopName) > size) return FALSE;
|
|
|
|
lstrcpy(DesktopName, pCurrentNode->DesktopName);
|
|
Found = TRUE;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return Found;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Sets a desktop SAIFER authorization object name. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::SetSaiferName(UINT DesktopNumber, LPCTSTR SaiferName)
|
|
{
|
|
UINT i;
|
|
BOOL Found;
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
//
|
|
// Verify valid string.
|
|
//
|
|
if ((!SaiferName) || (lstrlen(SaiferName) > MAX_NAME_LENGTH))
|
|
return FALSE;
|
|
|
|
//
|
|
// Change the name in our data structure.
|
|
//
|
|
i = 0;
|
|
Found = FALSE;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode && !Found)
|
|
{
|
|
if (i == DesktopNumber)
|
|
{
|
|
lstrcpy(pCurrentNode->SaiferName, SaiferName);
|
|
Found = TRUE;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return Found;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets a desktop SAIFER authorization object name. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::GetSaiferName(UINT DesktopNumber, LPTSTR SaiferName, UINT size) const
|
|
{
|
|
UINT i;
|
|
BOOL Found;
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
//
|
|
// Get the name from our data structure.
|
|
//
|
|
i = 0;
|
|
Found = FALSE;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode && !Found)
|
|
{
|
|
if (i == DesktopNumber)
|
|
{
|
|
if ((UINT) lstrlen(pCurrentNode->SaiferName) > size) return FALSE;
|
|
|
|
lstrcpy(SaiferName, pCurrentNode->SaiferName);
|
|
Found = TRUE;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return Found;
|
|
}
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets the icon for a particular desktop */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
HICON CDesktop::GetDesktopIcon(UINT nDesktopNumber) const
|
|
{
|
|
UINT i;
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
//
|
|
// Get the name from our data structure.
|
|
//
|
|
i = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (i == nDesktopNumber)
|
|
{
|
|
assert(pCurrentNode->nIconID >= 0 && pCurrentNode->nIconID < NUM_BUILTIN_ICONS);
|
|
return DefaultIconArray[pCurrentNode->nIconID];
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets the icon ID for a particular desktop */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
UINT CDesktop::GetDesktopIconID(UINT nDesktopNumber) const
|
|
{
|
|
UINT i;
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
//
|
|
// Get the name from our data structure.
|
|
//
|
|
i = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (i == nDesktopNumber)
|
|
{
|
|
return pCurrentNode->nIconID;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Sets the Desktop Icon */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::SetDesktopIconID(UINT DesktopNumber, UINT nIconID)
|
|
{
|
|
UINT i;
|
|
BOOL Found;
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
//
|
|
// Change the name in our data structure.
|
|
//
|
|
i = 0;
|
|
Found = FALSE;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode && !Found)
|
|
{
|
|
if (i == DesktopNumber)
|
|
{
|
|
pCurrentNode->nIconID = nIconID;
|
|
Found = TRUE;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return Found;
|
|
}
|
|
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Sets the threads main window. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::SetThreadWindow(DWORD ThreadId, HWND hWnd)
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (pCurrentNode->ThreadId == ThreadId)
|
|
{
|
|
pCurrentNode->hWnd = hWnd;
|
|
}
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets the threads main window. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
HWND CDesktop::GetThreadWindow(DWORD ThreadId) const
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (pCurrentNode->ThreadId == ThreadId)
|
|
{
|
|
return pCurrentNode->hWnd;
|
|
}
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets the desktop id of a given thread. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
UINT CDesktop::GetThreadDesktopID(DWORD ThreadId) const
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
UINT i;
|
|
|
|
i = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (pCurrentNode->ThreadId == ThreadId)
|
|
{
|
|
return i;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets the threads main window. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
HWND CDesktop::GetWindowDesktop(UINT DesktopNumber) const
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
UINT i;
|
|
|
|
i = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (DesktopNumber == i)
|
|
{
|
|
return pCurrentNode->hWnd;
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets the real desktop name. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::GetRealDesktopName(HWND hWnd, LPTSTR szRealDesktopName) const
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (pCurrentNode->hWnd == hWnd)
|
|
{
|
|
if (pCurrentNode->RealDesktopName[0])
|
|
lstrcpy(szRealDesktopName, pCurrentNode->RealDesktopName);
|
|
else
|
|
szRealDesktopName[0] = TEXT('\0');
|
|
}
|
|
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Evaluate the setting of a desktop scheme. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::FindSchemeAndSet(VOID)
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
UINT i;
|
|
|
|
if (!BeginRundown)
|
|
{
|
|
i = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (i == CurrentDesktop)
|
|
{
|
|
if (pCurrentNode->ThreadId == GetCurrentThreadId())
|
|
{
|
|
//
|
|
// Set the desktop scheme
|
|
//
|
|
return __SetDesktopScheme(&(pCurrentNode->DS));
|
|
}
|
|
}
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Set the desktop scheme to that of desktop 1
|
|
//
|
|
__SetDesktopScheme(&(m_DesktopList->DS));
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Copies the scheme from desktop 0 to desktop n. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::DuplicateDefaultScheme(UINT DesktopNumber)
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
BOOL Success = FALSE;
|
|
UINT i;
|
|
|
|
i = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (i == DesktopNumber)
|
|
Success = __CopyDesktopScheme(&(m_DesktopList->DS), &(pCurrentNode->DS));
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets the color struct from registry for desktop n. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::GetRegColorStruct(UINT DesktopNumber)
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
BOOL Success = FALSE;
|
|
UINT i;
|
|
|
|
i = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
while (pCurrentNode)
|
|
{
|
|
if (i == DesktopNumber)
|
|
Success = GetDesktopSchemeRegistry(DesktopNumber, &(pCurrentNode->DS));
|
|
|
|
i++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Save off the schemes to the registry. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::RegSaveSettings(VOID)
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
UINT ii;
|
|
|
|
//
|
|
// Set Global settings
|
|
//
|
|
Profile_SetNewContext(NumOfDesktops);
|
|
|
|
//
|
|
// Dump settings desktop by desktop
|
|
//
|
|
ii = 0;
|
|
pCurrentNode = m_DesktopList;
|
|
|
|
while (pCurrentNode)
|
|
{
|
|
Profile_SaveDesktopContext(ii,
|
|
pCurrentNode->DesktopName,
|
|
pCurrentNode->SaiferName,
|
|
pCurrentNode->nIconID);
|
|
SetDesktopSchemeRegistry(ii, &(pCurrentNode->DS));
|
|
|
|
ii++;
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Destroy the windows one by one. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::RunDown(VOID)
|
|
{
|
|
PDESKTOP_NODE pCurrentNode;
|
|
BOOL Success;
|
|
|
|
BeginRundown = TRUE;
|
|
|
|
//
|
|
// Set desktop schemes to that of desktop 1
|
|
//
|
|
pCurrentNode = m_DesktopList->nextDN;
|
|
while (pCurrentNode)
|
|
{
|
|
//
|
|
// Set the desktop scheme
|
|
//
|
|
PostThreadMessage(pCurrentNode->ThreadId, WM_THREAD_SCHEME_UPDATE, 0, 0);
|
|
pCurrentNode = pCurrentNode->nextDN;
|
|
}
|
|
|
|
//
|
|
// Remove the desktops
|
|
//
|
|
while (NumOfDesktops > 1)
|
|
{
|
|
Success = RemoveDesktop(NumOfDesktops - 1);
|
|
}
|
|
|
|
//
|
|
// Flush to registry
|
|
//
|
|
__UpdateDesktopRegistry(&(m_DesktopList->DS));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Create a default desktop name. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
static BOOL __CreateDefaultName(UINT DeskNum, LPTSTR DesktopName)
|
|
{
|
|
wsprintf(DesktopName, TEXT("Desktop %d"), DeskNum);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Gets the default icons. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
static HICON __LoadBuiltinIcon(UINT nIconNumber, HINSTANCE hDeskInstance)
|
|
{
|
|
UINT resid;
|
|
|
|
assert(NUM_BUILTIN_ICONS == 27);
|
|
switch(nIconNumber)
|
|
{
|
|
case 1: resid = IDI_WIN_ICON01; break;
|
|
case 2: resid = IDI_WIN_ICON02; break;
|
|
case 3: resid = IDI_WIN_ICON03; break;
|
|
case 4: resid = IDI_WIN_ICON04; break;
|
|
case 5: resid = IDI_WIN_ICON05; break;
|
|
case 6: resid = IDI_WIN_ICON06; break;
|
|
case 7: resid = IDI_WIN_ICON07; break;
|
|
case 8: resid = IDI_WIN_ICON08; break;
|
|
case 9: resid = IDI_WIN_ICON09; break;
|
|
case 10: resid = IDI_WIN_ICON10; break;
|
|
case 11: resid = IDI_WIN_ICON11; break;
|
|
case 12: resid = IDI_WIN_ICON12; break;
|
|
case 13: resid = IDI_WIN_ICON13; break;
|
|
case 14: resid = IDI_WIN_ICON14; break;
|
|
case 15: resid = IDI_WIN_ICON15; break;
|
|
case 16: resid = IDI_WIN_ICON16; break;
|
|
case 17: resid = IDI_WIN_ICON17; break;
|
|
case 18: resid = IDI_WIN_ICON18; break;
|
|
case 19: resid = IDI_WIN_ICON19; break;
|
|
case 20: resid = IDI_WIN_ICON20; break;
|
|
case 21: resid = IDI_WIN_ICON21; break;
|
|
case 22: resid = IDI_WIN_ICON22; break;
|
|
case 23: resid = IDI_WIN_ICON23; break;
|
|
case 24: resid = IDI_WIN_ICON24; break;
|
|
case 25: resid = IDI_WIN_ICON25; break;
|
|
case 26: resid = IDI_WIN_ICON26; break;
|
|
case 27: resid = IDI_WIN_ICON27; break;
|
|
default: return NULL;
|
|
}
|
|
|
|
return LoadIcon(hDeskInstance, MAKEINTRESOURCE(resid));
|
|
}
|
|
|
|
HICON CDesktop::GetBuiltinIcon(UINT nIconNumber) const
|
|
{
|
|
if (nIconNumber < NUM_BUILTIN_ICONS)
|
|
return DefaultIconArray[nIconNumber];
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Purpose: Create a new desktop. */
|
|
/* */
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
VOID ThreadInit(LPVOID hData)
|
|
{
|
|
USEROBJECTFLAGS uof;
|
|
PTHREAD_DATA ptd;
|
|
BOOL Success;
|
|
DWORD Err;
|
|
|
|
//
|
|
// Passed-in data
|
|
//
|
|
ptd = (THREAD_DATA*)hData;
|
|
|
|
//
|
|
// Inheiritance and flags
|
|
//
|
|
uof.fInherit = TRUE;
|
|
uof.fReserved = FALSE;
|
|
uof.dwFlags = DF_ALLOWOTHERACCOUNTHOOK;
|
|
|
|
Success = SetUserObjectInformation (ptd->hDesktop,
|
|
UOI_FLAGS,
|
|
(LPVOID)&uof,
|
|
sizeof(uof));
|
|
|
|
//
|
|
// Assign the thread to its desktop
|
|
//
|
|
Success = SetThreadDesktop(ptd->hDesktop);
|
|
Err = GetLastError();
|
|
|
|
//
|
|
// Begin the Display dialog and start the shell.
|
|
//
|
|
ptd->CreateDisplayFn();
|
|
|
|
//
|
|
// End the thread
|
|
//
|
|
SetThreadDesktop(ptd->hDefaultDesktop);
|
|
Success = CloseDesktop(ptd->hDesktop);
|
|
GlobalFree(ptd);
|
|
|
|
return;
|
|
}
|
|
|
|
/*------------------------------------------------------------------------------*/
|
|
/*----------------------------- PROTECTED FUNCTIONS ----------------------------*/
|
|
/*------------------------------------------------------------------------------*/
|
|
|
|
BOOL CDesktop::GetDesktopSchemeRegistry(UINT DesktopNumber, PDESKTOP_SCHEME pDS)
|
|
{
|
|
BOOL bSuccess = FALSE;
|
|
|
|
assert(pDS);
|
|
|
|
bSuccess = Profile_LoadScheme(DesktopNumber, pDS);
|
|
|
|
pDS->Initialized = bSuccess;
|
|
return bSuccess;
|
|
}
|
|
|
|
BOOL CDesktop::SetDesktopSchemeRegistry(UINT DesktopNumber, PDESKTOP_SCHEME pDS)
|
|
{
|
|
BOOL bSuccess = FALSE;
|
|
|
|
assert(pDS);
|
|
if (!pDS->Initialized) return FALSE;
|
|
|
|
bSuccess = Profile_SaveScheme(DesktopNumber, pDS);
|
|
|
|
return bSuccess;
|
|
}
|
|
|
|
|
|
static BOOL __SetDesktopScheme(PDESKTOP_SCHEME pDS)
|
|
{
|
|
//
|
|
// Check if structure has been filled in
|
|
//
|
|
assert(pDS);
|
|
if (!pDS->Initialized) return FALSE;
|
|
|
|
//
|
|
// Structure has info - Lets update the desktop scheme
|
|
//
|
|
Reg_SetSysColors(pDS->dwColor);
|
|
Reg_SetWallpaper(pDS->szWallpaper, pDS->szTile);
|
|
Reg_SetPattern(pDS->szPattern);
|
|
Reg_SetScreenSaver(pDS->szScreenSaver, pDS->szSecure, pDS->szTimeOut, pDS->szActive);
|
|
|
|
//
|
|
// Now invalidate the Wallpaper and Pattern
|
|
//
|
|
SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, pDS->szWallpaper, SPIF_SENDCHANGE);
|
|
SystemParametersInfo(SPI_SETDESKPATTERN, 0, pDS->szPattern, SPIF_SENDCHANGE);
|
|
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL __GetDesktopScheme(PDESKTOP_SCHEME pDS)
|
|
{
|
|
//
|
|
// Read the color settings from the desktop and fill in the structure
|
|
//
|
|
assert(pDS);
|
|
|
|
if (Reg_GetSysColors(pDS->dwColor) &&
|
|
Reg_GetWallpaper(pDS->szWallpaper, pDS->szTile) &&
|
|
Reg_GetPattern(pDS->szPattern) &&
|
|
Reg_GetScreenSaver(pDS->szScreenSaver, pDS->szSecure, pDS->szTimeOut, pDS->szActive))
|
|
{
|
|
//
|
|
// Structure filled!
|
|
//
|
|
pDS->Initialized = TRUE;
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static BOOL __UpdateDesktopRegistry(PDESKTOP_SCHEME pDS)
|
|
{
|
|
|
|
//
|
|
// Update the registry
|
|
//
|
|
assert(pDS);
|
|
Reg_UpdateColorRegistry(pDS->dwColor);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static BOOL __CopyDesktopScheme(PDESKTOP_SCHEME pDS1, PDESKTOP_SCHEME pDS2)
|
|
{
|
|
|
|
UINT i;
|
|
|
|
//
|
|
// Copy the contents of pDS1 into pDS2
|
|
//
|
|
assert(pDS2 != NULL);
|
|
assert(pDS1 != NULL);
|
|
|
|
if (!pDS1->Initialized)
|
|
{
|
|
pDS2->Initialized = FALSE;
|
|
return FALSE;
|
|
}
|
|
|
|
//
|
|
// Copy the strings over
|
|
//
|
|
lstrcpy(pDS2->szWallpaper, pDS1->szWallpaper);
|
|
lstrcpy(pDS2->szTile, pDS1->szTile);
|
|
lstrcpy(pDS2->szPattern, pDS1->szPattern);
|
|
lstrcpy(pDS2->szScreenSaver, pDS1->szScreenSaver);
|
|
lstrcpy(pDS2->szSecure, pDS1->szSecure);
|
|
lstrcpy(pDS2->szTimeOut, pDS1->szTimeOut);
|
|
lstrcpy(pDS2->szActive, pDS1->szActive);
|
|
|
|
//
|
|
// Copy the colors over
|
|
//
|
|
for (i = 0; i < NUM_COLOR_ELEMENTS; i++)
|
|
{
|
|
pDS2->dwColor[i] = pDS1->dwColor[i];
|
|
}
|
|
|
|
pDS2->Initialized = TRUE;
|
|
return TRUE;
|
|
}
|
|
|