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
  33 #include "explorer.h"
  34 #include "desktop/desktop.h"
  35
  36 #include "globals.h"
  37 #include "externals.h"
  38
  39 #include "explorer_intres.h"
  40
  41
  42 ExplorerGlobals g_Globals;
  43
  44
  45 ExplorerGlobals::ExplorerGlobals()
  46 {
  47         _hInstance = 0;
  48         _hframeClass = 0;
  49         _cfStrFName = 0;
  50         _hMainWnd = 0;
  51         _prescan_nodes = false;
  52         _desktop_mode = false;
  53 }
  54
  55
  56 ResString::ResString(UINT nid)
  57 {
  58         TCHAR buffer[BUFFER_LEN];
  59
  60         int len = LoadString(g_Globals._hInstance, nid, buffer, sizeof(buffer)/sizeof(TCHAR));
  61
  62         assign(buffer, len);
  63 }
  64
  65
  66 ResIcon::ResIcon(UINT nid)
  67 {
  68         _hIcon = LoadIcon(g_Globals._hInstance, MAKEINTRESOURCE(nid));
  69 }
  70
  71 SmallIcon::SmallIcon(UINT nid)
  72 {
  73         _hIcon = (HICON)LoadImage(g_Globals._hInstance, MAKEINTRESOURCE(nid), IMAGE_ICON, GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
  74 }
  75
  76
  77 ResBitmap::ResBitmap(UINT nid)
  78 {
  79         _hBmp = LoadBitmap(g_Globals._hInstance, MAKEINTRESOURCE(nid));
  80 }
  81
  82
  83 void explorer_show_frame(HWND hwndDesktop, int cmdshow)
  84 {
  85         if (g_Globals._hMainWnd)
  86                 return;
  87
  88         g_Globals._prescan_nodes = false;
  89
  90          // create main window
  91         g_Globals._hMainWnd = MainFrame::Create();
  92
  93         ShowWindow(g_Globals._hMainWnd, cmdshow);
  94
  95         UpdateWindow(g_Globals._hMainWnd);
  96
  97          // Open the first child window after initialiszing the whole application
  98         PostMessage(g_Globals._hMainWnd, PM_OPEN_WINDOW, 0, 0);
  99 }
 100
 101
 102 static void InitInstance(HINSTANCE hInstance)
 103 {
 104         setlocale(LC_COLLATE, "");      // set collating rules to local settings for compareName
 105
 106          // register frame window class
 107         g_Globals._hframeClass = IconWindowClass(CLASSNAME_FRAME,IDI_EXPLORER);
 108
 109          // register child windows class
 110         WindowClass(CLASSNAME_CHILDWND, CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW).Register();
 111
 112          // register tree windows class
 113         WindowClass(CLASSNAME_WINEFILETREE, CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW).Register();
 114
 115         g_Globals._cfStrFName = RegisterClipboardFormat(CFSTR_FILENAME);
 116 }
 117
 118
 119 int explorer_main(HINSTANCE hInstance, HWND hwndDesktop, int cmdshow)
 120 {
 121          // initialize COM and OLE
 122         OleInit usingCOM;
 123
 124          // initialize Common Controls library
 125         CommonControlInit usingCmnCtrl;
 126
 127         try {
 128                 InitInstance(hInstance);
 129         } catch(COMException& e) {
 130                 HandleException(e, g_Globals._hMainWnd);
 131                 return -1;
 132         }
 133
 134         if (hwndDesktop)
 135                 g_Globals._desktop_mode = true;
 136
 137         if (cmdshow != SW_HIDE) {
 138 #ifndef _ROS_   // don't maximize if being called from the ROS desktop
 139                 if (cmdshow == SW_SHOWNORMAL)
 140                                 /*TODO: read window placement from registry */
 141                         cmdshow = SW_MAXIMIZE;
 142 #endif
 143
 144                 explorer_show_frame(hwndDesktop, cmdshow);
 145         }
 146
 147         return Window::MessageLoop();
 148 }
 149
 150
 151 int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nShowCmd)
 152 {
 153          // create desktop window and task bar only, if there is no other shell and we are
 154          // the first explorer instance
 155         BOOL startup_desktop = !IsAnyDesktopRunning();
 156
 157          // If there is given the command line option "-desktop", create desktop window anyways
 158         if (!lstrcmp(lpCmdLine,TEXT("-desktop")))
 159                 startup_desktop = TRUE;
 160
 161         if (!lstrcmp(lpCmdLine,TEXT("-noexplorer"))) {
 162                 nShowCmd = SW_HIDE;
 163                 startup_desktop = TRUE;
 164         }
 165
 166         g_Globals._hInstance = hInstance;
 167
 168         HWND hwndDesktop = 0;
 169
 170         if (startup_desktop)
 171         {
 172                 hwndDesktop = DesktopWindow::Create();
 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         return ret;
 185 }