reactos/base/shell/explorer/explorer.cpp

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/*
* ReactOS Explorer
*
* Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "precomp.h"
#include <browseui_undoc.h>
HINSTANCE hExplorerInstance;
HANDLE hProcessHeap;
HKEY hkExplorer = NULL;
BOOL bExplorerIsShell = FALSE;
class CExplorerModule : public CComModule
{
public:
};
BEGIN_OBJECT_MAP(ObjectMap)
END_OBJECT_MAP()
CExplorerModule gModule;
CAtlWinModule gWinModule;
static VOID InitializeAtlModule(HINSTANCE hInstance, BOOL bInitialize)
{
if (bInitialize)
{
gModule.Init(ObjectMap, hInstance, NULL);
}
else
{
gModule.Term();
}
}
#if !WIN7_DEBUG_MODE
static BOOL
SetShellReadyEvent(IN LPCWSTR lpEventName)
{
HANDLE hEvent;
hEvent = OpenEventW(EVENT_MODIFY_STATE, FALSE, lpEventName);
if (hEvent != NULL)
{
SetEvent(hEvent);
CloseHandle(hEvent);
return TRUE;
}
return FALSE;
}
static VOID
HideMinimizedWindows(IN BOOL bHide)
{
MINIMIZEDMETRICS mm;
mm.cbSize = sizeof(mm);
if (!SystemParametersInfoW(SPI_GETMINIMIZEDMETRICS, sizeof(mm), &mm, 0))
{
ERR("SystemParametersInfoW failed with %lu\n", GetLastError());
return;
}
if (bHide)
mm.iArrange |= ARW_HIDE;
else
mm.iArrange &= ~ARW_HIDE;
if (!SystemParametersInfoW(SPI_SETMINIMIZEDMETRICS, sizeof(mm), &mm, 0))
ERR("SystemParametersInfoW failed with %lu\n", GetLastError());
}
#endif
#if !WIN7_COMPAT_MODE
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static INT
StartWithCommandLine(IN HINSTANCE hInstance)
{
BOOL b = FALSE;
EXPLORER_CMDLINE_PARSE_RESULTS parseResults = { 0 };
if (SHExplorerParseCmdLine(&parseResults))
b = SHCreateFromDesktop(&parseResults);
if (parseResults.strPath)
SHFree(parseResults.strPath);
if (parseResults.pidlPath)
ILFree(parseResults.pidlPath);
if (parseResults.pidlRoot)
ILFree(parseResults.pidlRoot);
return b;
}
#endif
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static INT
StartWithDesktop(IN HINSTANCE hInstance)
{
InitializeAtlModule(hInstance, TRUE);
if (RegOpenKeyW(HKEY_CURRENT_USER,
L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer",
&hkExplorer) != ERROR_SUCCESS)
{
WCHAR Message[256];
LoadStringW(hInstance, IDS_STARTUP_ERROR, Message, _countof(Message));
MessageBox(NULL, Message, NULL, MB_ICONERROR);
return 1;
}
hExplorerInstance = hInstance;
hProcessHeap = GetProcessHeap();
g_TaskbarSettings.Load();
InitCommonControls();
OleInitialize(NULL);
#if !WIN7_COMPAT_MODE
/* Initialize shell dde support */
_ShellDDEInit(TRUE);
#endif
/* Initialize shell icons */
FileIconInit(TRUE);
/* Initialize CLSID_ShellWindows class */
_WinList_Init();
CComPtr<ITrayWindow> Tray;
CreateTrayWindow(&Tray);
#if !WIN7_DEBUG_MODE
/* This not only hides the minimized window captions in the bottom
left screen corner, but is also needed in order to receive
HSHELL_* notification messages (which are required for taskbar
buttons to work right) */
HideMinimizedWindows(TRUE);
HANDLE hShellDesktop = NULL;
if (Tray != NULL)
hShellDesktop = DesktopCreateWindow(Tray);
/* WinXP: Notify msgina to hide the welcome screen */
if (!SetShellReadyEvent(L"msgina: ShellReadyEvent"))
SetShellReadyEvent(L"Global\\msgina: ShellReadyEvent");
if (DoStartStartupItems(Tray))
{
ProcessStartupItems();
DoFinishStartupItems();
}
#endif
if (Tray != NULL)
{
TrayMessageLoop(Tray);
#if !WIN7_DEBUG_MODE
HideMinimizedWindows(FALSE);
#endif
}
#if !WIN7_DEBUG_MODE
if (hShellDesktop != NULL)
DesktopDestroyShellWindow(hShellDesktop);
#endif
OleUninitialize();
RegCloseKey(hkExplorer);
hkExplorer = NULL;
InitializeAtlModule(hInstance, FALSE);
return 0;
}
INT WINAPI
_tWinMain(IN HINSTANCE hInstance,
IN HINSTANCE hPrevInstance,
IN LPTSTR lpCmdLine,
IN INT nCmdShow)
{
/*
* Set our shutdown parameters: we want to shutdown the very last,
* but before any TaskMgr instance (which has a shutdown level of 1).
*/
SetProcessShutdownParameters(2, 0);
InitRSHELL();
TRACE("Explorer starting... Command line: %S\n", lpCmdLine);
#if !WIN7_COMPAT_MODE
if (GetShellWindow() == NULL)
bExplorerIsShell = TRUE;
if (!bExplorerIsShell)
{
return StartWithCommandLine(hInstance);
}
#else
bExplorerIsShell = TRUE;
#endif
return StartWithDesktop(hInstance);
}