reactos/subsys/system/explorer/explorer.cpp

   1 /*
   2  * Copyright 2003 Martin Fuchs
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20  //
  21  // Explorer clone
  22  //
  23  // explorer.cpp
  24  //
  25  // Martin Fuchs, 23.07.2003
  26  //
  27  // Credits: Thanks to Leon Finker for his explorer window example
  28  //
  29
  30
  31 #include "utility/utility.h"
  32 #include "utility/shellclasses.h"
  33
  34 #include "explorer.h"
  35 #include "globals.h"
  36
  37 #include "explorer_intres.h"
  38 #include "externals.h"
  39
  40
  41 ExplorerGlobals g_Globals;
  42
  43
  44 ExplorerGlobals::ExplorerGlobals()
  45 {
  46         _hInstance = 0;
  47         _hframeClass = 0;
  48         _cfStrFName = 0;
  49         _hMainWnd = 0;
  50         _prescan_nodes = false;
  51         _desktop_mode = false;
  52 }
  53
  54
  55 ResString::ResString(UINT nid)
  56 {
  57         TCHAR buffer[BUFFER_LEN];
  58
  59         int len = LoadString(g_Globals._hInstance, nid, buffer, sizeof(buffer)/sizeof(TCHAR));
  60
  61         assign(buffer, len);
  62 }
  63
  64
  65 ResIcon::ResIcon(UINT nid)
  66 {
  67         _hicon = LoadIcon(g_Globals._hInstance, MAKEINTRESOURCE(nid));
  68 }
  69
  70 SmallIcon::SmallIcon(UINT nid)
  71 {
  72         _hicon = (HICON)LoadImage(g_Globals._hInstance, MAKEINTRESOURCE(nid), IMAGE_ICON, GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
  73 }
  74
  75
  76 void explorer_show_frame(HWND hwndDesktop, int cmdshow)
  77 {
  78         if (g_Globals._hMainWnd)
  79                 return;
  80
  81         g_Globals._prescan_nodes = false;
  82
  83          // create main window
  84         g_Globals._hMainWnd = MainFrame::Create();
  85
  86         ShowWindow(g_Globals._hMainWnd, cmdshow);
  87
  88         UpdateWindow(g_Globals._hMainWnd);
  89
  90          // Open the first child window after initialiszing the whole application
  91         PostMessage(g_Globals._hMainWnd, WM_OPEN_WINDOW, 0, 0);
  92 }
  93
  94
  95 static void InitInstance(HINSTANCE hInstance)
  96 {
  97         setlocale(LC_COLLATE, "");      // set collating rules to local settings for compareName
  98
  99          // register frame window class
 100         g_Globals._hframeClass = IconWindowClass(CLASSNAME_FRAME,IDI_EXPLORER);
 101
 102          // register child windows class
 103         WindowClass(CLASSNAME_CHILDWND, CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW).Register();
 104
 105          // register tree windows class
 106         WindowClass(CLASSNAME_WINEFILETREE, CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW).Register();
 107
 108         g_Globals._cfStrFName = RegisterClipboardFormat(CFSTR_FILENAME);
 109 }
 110
 111
 112 int explorer_main(HINSTANCE hInstance, HWND hwndDesktop, int cmdshow)
 113 {
 114          // initialize COM and OLE
 115         OleInit usingCOM;
 116
 117          // initialize Common Controls library
 118         CommonControlInit usingCmnCtrl(ICC_LISTVIEW_CLASSES|ICC_TREEVIEW_CLASSES|ICC_BAR_CLASSES);
 119
 120         try {
 121                 InitInstance(hInstance);
 122
 123                 if (hwndDesktop)
 124                         g_Globals._desktop_mode = true;
 125
 126                 if (cmdshow != SW_HIDE) {
 127 #ifndef _ROS_   // don't maximize if being called from the ROS desktop
 128                         if (cmdshow == SW_SHOWNORMAL)
 129                                         /*TODO: read window placement from registry */
 130                                 cmdshow = SW_MAXIMIZE;
 131 #endif
 132
 133                         explorer_show_frame(hwndDesktop, cmdshow);
 134                 }
 135
 136                 return Window::MessageLoop();
 137         } catch(COMException& e) {
 138                 HandleException(e, g_Globals._hMainWnd);
 139         }
 140
 141         return -1;
 142 }
 143
 144
 145 int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nShowCmd)
 146 {
 147          // create desktop window and task bar only, if there is no other shell and we are
 148          // the first explorer instance
 149         BOOL startup_desktop = !IsAnyDesktopRunning();
 150
 151          // If there is given the command line option "-desktop", create desktop window anyways
 152         if (!lstrcmp(lpCmdLine,TEXT("-desktop")))
 153                 startup_desktop = TRUE;
 154
 155         if (!lstrcmp(lpCmdLine,TEXT("-noexplorer"))) {
 156                 nShowCmd = SW_HIDE;
 157                 startup_desktop = TRUE;
 158         }
 159
 160         g_Globals._hInstance = hInstance;
 161
 162         HWND hwndDesktop = 0;
 163
 164         if (startup_desktop)
 165         {
 166                 hwndDesktop = create_desktop_window();
 167
 168                  // Initialize the explorer bar
 169                 HWND hwndExplorerBar = InitializeExplorerBar(hInstance);
 170
 171                  // Load plugins
 172 //              LoadAvailablePlugIns(hwndExplorerBar);
 173
 174 #ifndef _DEBUG  //MF: disabled for debugging
 175                 {
 176                 char* argv[] = {""};
 177                 startup(1, argv);
 178                 }
 179 #endif
 180         }
 181
 182         int ret = explorer_main(hInstance, hwndDesktop, nShowCmd);
 183
 184 //      ReleaseAvailablePlugIns();
 185
 186         return ret;
 187 }