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Sweden-Number/programs/explorer/explorer.c

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/*
* explorer.exe
*
* Copyright 2004 CodeWeavers, Mike Hearn
* Copyright 2005,2006 CodeWeavers, Aric Stewart
* Copyright 2011 Jay Yang
*
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "wine/unicode.h"
#include "wine/debug.h"
#include "explorer_private.h"
#include "resource.h"
#include <initguid.h>
#include <windows.h>
#include <shobjidl.h>
#include <shlobj.h>
WINE_DEFAULT_DEBUG_CHANNEL(explorer);
#define EXPLORER_INFO_INDEX 0
#define DEFAULT_WIDTH 640
#define DEFAULT_HEIGHT 480
static const WCHAR EXPLORER_CLASS[] = {'W','I','N','E','_','E','X','P','L','O','R','E','R','\0'};
HINSTANCE explorer_hInstance;
typedef struct parametersTAG {
BOOL explorer_mode;
WCHAR root[MAX_PATH];
WCHAR selection[MAX_PATH];
} parameters_struct;
typedef struct
{
IExplorerBrowser *browser;
} explorer_info;
static void make_explorer_window(IShellFolder* startFolder)
{
RECT explorerRect;
HWND window;
FOLDERSETTINGS fs;
explorer_info *info;
HRESULT hres;
WCHAR explorer_title[100];
LoadStringW(explorer_hInstance,IDS_EXPLORER_TITLE,explorer_title,
sizeof(explorer_title)/sizeof(WCHAR));
info = HeapAlloc(GetProcessHeap(),0,sizeof(explorer_info));
if(!info)
{
WINE_ERR("Could not allocate a explorer_info struct\n");
return;
}
hres = CoCreateInstance(&CLSID_ExplorerBrowser,NULL,CLSCTX_INPROC_SERVER,
&IID_IExplorerBrowser,(LPVOID*)&info->browser);
if(!SUCCEEDED(hres))
{
WINE_ERR("Could not obtain an instance of IExplorerBrowser\n");
HeapFree(GetProcessHeap(),0,info);
return;
}
window = CreateWindowW(EXPLORER_CLASS,explorer_title,WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,CW_USEDEFAULT,DEFAULT_WIDTH,
DEFAULT_HEIGHT,NULL,NULL,explorer_hInstance,NULL);
fs.ViewMode = FVM_DETAILS;
fs.fFlags = FWF_AUTOARRANGE;
explorerRect.left = 0;
explorerRect.top = 0;
explorerRect.right = DEFAULT_WIDTH;
explorerRect.bottom = DEFAULT_HEIGHT;
IExplorerBrowser_Initialize(info->browser,window,&explorerRect,&fs);
IExplorerBrowser_SetOptions(info->browser,EBO_SHOWFRAMES);
SetWindowLongPtrW(window,EXPLORER_INFO_INDEX,(LONG_PTR)info);
IExplorerBrowser_BrowseToObject(info->browser,(IUnknown*)startFolder,
SBSP_ABSOLUTE);
ShowWindow(window,SW_SHOWDEFAULT);
UpdateWindow(window);
}
static void update_window_size(explorer_info *info, int height, int width)
{
RECT new_rect;
new_rect.left = 0;
new_rect.top = 0;
new_rect.right = width;
new_rect.bottom = height;
IExplorerBrowser_SetRect(info->browser,NULL,new_rect);
}
static void do_exit(int code)
{
OleUninitialize();
ExitProcess(code);
}
static LRESULT CALLBACK explorer_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
explorer_info *info
= (explorer_info*)GetWindowLongPtrW(hwnd,EXPLORER_INFO_INDEX);
IExplorerBrowser *browser = NULL;
if(info)
browser = info->browser;
switch(uMsg)
{
case WM_DESTROY:
IExplorerBrowser_Release(browser);
HeapFree(GetProcessHeap(),0,info);
PostQuitMessage(0);
break;
case WM_QUIT:
do_exit(wParam);
case WM_SIZE:
update_window_size(info,HIWORD(lParam),LOWORD(lParam));
break;
default:
return DefWindowProcW(hwnd,uMsg,wParam,lParam);
}
return 0;
}
static void register_explorer_window_class(void)
{
WNDCLASSEXW window_class;
window_class.cbSize = sizeof(WNDCLASSEXW);
window_class.style = 0;
window_class.cbClsExtra = 0;
window_class.cbWndExtra = sizeof(LONG_PTR);
window_class.lpfnWndProc = explorer_wnd_proc;
window_class.hInstance = explorer_hInstance;
window_class.hIcon = NULL;
window_class.hCursor = NULL;
window_class.hbrBackground = NULL;
window_class.lpszMenuName = NULL;
window_class.lpszClassName = EXPLORER_CLASS;
window_class.hIconSm = NULL;
RegisterClassExW(&window_class);
}
static IShellFolder* get_starting_shell_folder(parameters_struct* params)
{
IShellFolder* desktop,*folder;
LPITEMIDLIST root_pidl;
HRESULT hres;
SHGetDesktopFolder(&desktop);
if (!params->root[0])
{
return desktop;
}
hres = IShellFolder_ParseDisplayName(desktop,NULL,NULL,
params->root,NULL,
&root_pidl,NULL);
if(FAILED(hres))
{
return desktop;
}
hres = IShellFolder_BindToObject(desktop,root_pidl,NULL,
&IID_IShellFolder,
(void**)&folder);
if(FAILED(hres))
{
return desktop;
}
IShellFolder_Release(desktop);
return folder;
}
static int copy_path_string(LPWSTR target, LPWSTR source)
{
INT i = 0;
while (isspaceW(*source)) source++;
if (*source == '\"')
{
source ++;
while (*source != '\"') target[i++] = *source++;
target[i] = 0;
source ++;
i+=2;
}
else
{
while (*source && !isspaceW(*source)) target[i++] = *source++;
target[i] = 0;
}
return i;
}
static void copy_path_root(LPWSTR root, LPWSTR path)
{
LPWSTR p,p2;
INT i = 0;
p = path;
while (*p!=0)
p++;
while (*p!='\\' && p > path)
p--;
if (p == path)
return;
p2 = path;
while (p2 != p)
{
root[i] = *p2;
i++;
p2++;
}
root[i] = 0;
}
/*
* Command Line parameters are:
* [/n] Opens in single-paned view for each selected items. This is default
* [/e,] Uses Windows Explorer View
* [/root,object] Specifies the root level of the view
* [/select,object] parent folder is opened and specified object is selected
*/
static void parse_command_line(LPWSTR commandline,parameters_struct *parameters)
{
static const WCHAR arg_n[] = {'/','n'};
static const WCHAR arg_e[] = {'/','e',','};
static const WCHAR arg_root[] = {'/','r','o','o','t',','};
static const WCHAR arg_select[] = {'/','s','e','l','e','c','t',','};
static const WCHAR arg_desktop[] = {'/','d','e','s','k','t','o','p'};
LPWSTR p, p2;
p2 = commandline;
p = strchrW(commandline,'/');
while(p)
{
if (strncmpW(p, arg_n, sizeof(arg_n)/sizeof(WCHAR))==0)
{
parameters->explorer_mode = FALSE;
p += sizeof(arg_n)/sizeof(WCHAR);
}
else if (strncmpW(p, arg_e, sizeof(arg_e)/sizeof(WCHAR))==0)
{
parameters->explorer_mode = TRUE;
p += sizeof(arg_e)/sizeof(WCHAR);
}
else if (strncmpW(p, arg_root, sizeof(arg_root)/sizeof(WCHAR))==0)
{
p += sizeof(arg_root)/sizeof(WCHAR);
p+=copy_path_string(parameters->root,p);
}
else if (strncmpW(p, arg_select, sizeof(arg_select)/sizeof(WCHAR))==0)
{
p += sizeof(arg_select)/sizeof(WCHAR);
p+=copy_path_string(parameters->selection,p);
if (!parameters->root[0])
copy_path_root(parameters->root,
parameters->selection);
}
else if (strncmpW(p, arg_desktop, sizeof(arg_desktop)/sizeof(WCHAR))==0)
{
p += sizeof(arg_desktop)/sizeof(WCHAR);
manage_desktop( p ); /* the rest of the command line is handled by desktop mode */
}
else p++;
p2 = p;
p = strchrW(p,'/');
}
if (p2 && *p2)
{
/* left over command line is generally the path to be opened */
copy_path_string(parameters->root,p2);
}
}
int WINAPI wWinMain(HINSTANCE hinstance,
HINSTANCE previnstance,
LPWSTR cmdline,
int cmdshow)
{
parameters_struct parameters;
HRESULT hres;
MSG msg;
IShellFolder *folder;
memset(&parameters,0,sizeof(parameters));
explorer_hInstance = hinstance;
parse_command_line(cmdline,&parameters);
hres = OleInitialize(NULL);
if(!SUCCEEDED(hres))
{
WINE_ERR("Could not initialize COM\n");
ExitProcess(EXIT_FAILURE);
}
register_explorer_window_class();
folder = get_starting_shell_folder(&parameters);
make_explorer_window(folder);
IShellFolder_Release(folder);
while(GetMessageW( &msg, NULL, 0, 0 ) != 0)
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
return 0;
}
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