programs/explorer/explorer.c

   1 /*
   2  * explorer.exe
   3  *
   4  * Copyright 2004 CodeWeavers, Mike Hearn
   5  * Copyright 2005,2006 CodeWeavers, Aric Stewart
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <windows.h>
  23
  24 #include "wine/unicode.h"
  25 #include "explorer_private.h"
  26
  27 typedef struct parametersTAG {
  28     BOOL    explorer_mode;
  29     WCHAR   root[MAX_PATH];
  30     WCHAR   selection[MAX_PATH];
  31 } parameters_struct;
  32
  33
  34 static int CopyPathString(LPWSTR target, LPWSTR source)
  35 {
  36     INT i = 0;
  37
  38     while (isspaceW(*source)) source++;
  39
  40     if (*source == '\"')
  41     {
  42         source ++;
  43         while (*source != '\"') target[i++] = *source++;
  44         target[i] = 0;
  45         source ++;
  46         i+=2;
  47     }
  48     else
  49     {
  50         while (*source && !isspaceW(*source)) target[i++] = *source++;
  51         target[i] = 0;
  52     }
  53     return i;
  54 }
  55
  56
  57 static void CopyPathRoot(LPWSTR root, LPWSTR path)
  58 {
  59     LPWSTR p,p2;
  60     INT i = 0;
  61
  62     p = path;
  63     while (*p!=0)
  64         p++;
  65
  66     while (*p!='\\' && p > path)
  67         p--;
  68
  69     if (p == path)
  70         return;
  71
  72     p2 = path;
  73     while (p2 != p)
  74     {
  75         root[i] = *p2;
  76         i++;
  77         p2++;
  78     }
  79     root[i] = 0;
  80 }
  81
  82 /*
  83  * Command Line parameters are:
  84  * [/n]  Opens in single-paned view for each selected items. This is default
  85  * [/e,] Uses Windows Explorer View
  86  * [/root,object] Specifies the root level of the view
  87  * [/select,object] parent folder is opened and specified object is selected
  88  */
  89 static void ParseCommandLine(LPWSTR commandline,parameters_struct *parameters)
  90 {
  91     static const WCHAR arg_n[] = {'/','n'};
  92     static const WCHAR arg_e[] = {'/','e',','};
  93     static const WCHAR arg_root[] = {'/','r','o','o','t',','};
  94     static const WCHAR arg_select[] = {'/','s','e','l','e','c','t',','};
  95     static const WCHAR arg_desktop[] = {'/','d','e','s','k','t','o','p'};
  96
  97     LPWSTR p, p2;
  98
  99     p2 = commandline;
 100     p = strchrW(commandline,'/');
 101     while(p)
 102     {
 103         if (strncmpW(p, arg_n, sizeof(arg_n)/sizeof(WCHAR))==0)
 104         {
 105             parameters->explorer_mode = FALSE;
 106             p += sizeof(arg_n)/sizeof(WCHAR);
 107         }
 108         else if (strncmpW(p, arg_e, sizeof(arg_e)/sizeof(WCHAR))==0)
 109         {
 110             parameters->explorer_mode = TRUE;
 111             p += sizeof(arg_e)/sizeof(WCHAR);
 112         }
 113         else if (strncmpW(p, arg_root, sizeof(arg_root)/sizeof(WCHAR))==0)
 114         {
 115             p += sizeof(arg_root)/sizeof(WCHAR);
 116             p+=CopyPathString(parameters->root,p);
 117         }
 118         else if (strncmpW(p, arg_select, sizeof(arg_select)/sizeof(WCHAR))==0)
 119         {
 120             p += sizeof(arg_select)/sizeof(WCHAR);
 121             p+=CopyPathString(parameters->selection,p);
 122             if (!parameters->root[0])
 123                 CopyPathRoot(parameters->root,
 124                         parameters->selection);
 125         }
 126         else if (strncmpW(p, arg_desktop, sizeof(arg_desktop)/sizeof(WCHAR))==0)
 127         {
 128             p += sizeof(arg_desktop)/sizeof(WCHAR);
 129             manage_desktop( p );  /* the rest of the command line is handled by desktop mode */
 130         }
 131         else p++;
 132
 133         p2 = p;
 134         p = strchrW(p,'/');
 135     }
 136     if (p2 && *p2)
 137     {
 138         /* left over command line is generally the path to be opened */
 139         CopyPathString(parameters->root,p2);
 140     }
 141 }
 142
 143 int WINAPI wWinMain(HINSTANCE hinstance,
 144                     HINSTANCE previnstance,
 145                     LPWSTR cmdline,
 146                     int cmdshow)
 147 {
 148     STARTUPINFOW si;
 149     PROCESS_INFORMATION info;
 150     parameters_struct   parameters;
 151     BOOL rc;
 152     static const WCHAR winefile[] = {'\\','w','i','n','e','f','i','l','e','.','e','x','e',0};
 153     static const WCHAR space[] = {' ',0};
 154     LPWSTR winefile_commandline = NULL;
 155     DWORD len = 0;
 156
 157     memset(&parameters,0,sizeof(parameters));
 158     memset(&si,0,sizeof(STARTUPINFOW));
 159
 160     ParseCommandLine(cmdline,&parameters);
 161     len = GetSystemDirectoryW( NULL, 0 ) + sizeof(winefile)/sizeof(WCHAR);
 162
 163     if (parameters.selection[0]) len += lstrlenW(parameters.selection) + 2;
 164     else if (parameters.root[0]) len += lstrlenW(parameters.root) + 3;
 165
 166     winefile_commandline = HeapAlloc(GetProcessHeap(),0,len*sizeof(WCHAR));
 167     GetSystemDirectoryW( winefile_commandline, len );
 168     lstrcatW(winefile_commandline,winefile);
 169
 170     if (parameters.selection[0])
 171     {
 172         lstrcatW(winefile_commandline,space);
 173         lstrcatW(winefile_commandline,parameters.selection);
 174     }
 175     else if (parameters.root[0])
 176     {
 177         lstrcatW(winefile_commandline,space);
 178         lstrcatW(winefile_commandline,parameters.root);
 179         if (winefile_commandline[lstrlenW(winefile_commandline)-1]!='\\')
 180         {
 181             static const WCHAR slash[] = {'\\',0};
 182             lstrcatW(winefile_commandline,slash);
 183         }
 184     }
 185
 186     rc = CreateProcessW(NULL, winefile_commandline, NULL, NULL, FALSE, 0, NULL,
 187                         parameters.root[0] ? parameters.root:NULL, &si, &info);
 188
 189     HeapFree(GetProcessHeap(),0,winefile_commandline);
 190
 191     if (!rc)
 192         return 0;
 193
 194     CloseHandle(info.hThread);
 195     WaitForSingleObject(info.hProcess,INFINITE);
 196     CloseHandle(info.hProcess);
 197     return 0;
 198 }