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 #include <locale.h>
  42
  43
  44 ExplorerGlobals g_Globals;
  45
  46
  47 ExplorerGlobals::ExplorerGlobals()
  48 {
  49         _hInstance = 0;
  50         _hframeClass = 0;
  51         _cfStrFName = 0;
  52         _hMainWnd = 0;
  53         _prescan_nodes = false;
  54         _desktop_mode = false;
  55 }
  56
  57
  58 ResString::ResString(UINT nid)
  59 {
  60         TCHAR buffer[BUFFER_LEN];
  61
  62         int len = LoadString(g_Globals._hInstance, nid, buffer, sizeof(buffer)/sizeof(TCHAR));
  63
  64         assign(buffer, len);
  65 }
  66
  67
  68 ResIcon::ResIcon(UINT nid)
  69 {
  70         _hIcon = LoadIcon(g_Globals._hInstance, MAKEINTRESOURCE(nid));
  71 }
  72
  73 SmallIcon::SmallIcon(UINT nid)
  74 {
  75         _hIcon = (HICON)LoadImage(g_Globals._hInstance, MAKEINTRESOURCE(nid), IMAGE_ICON, GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
  76 }
  77
  78
  79 ResBitmap::ResBitmap(UINT nid)
  80 {
  81         _hBmp = LoadBitmap(g_Globals._hInstance, MAKEINTRESOURCE(nid));
  82 }
  83
  84
  85 void explorer_show_frame(HWND hwndDesktop, int cmdshow)
  86 {
  87         if (g_Globals._hMainWnd)
  88                 return;
  89
  90         g_Globals._prescan_nodes = false;
  91
  92          // create main window
  93         HWND hMainFrame = MainFrame::Create();
  94
  95         if (hMainFrame) {
  96                 g_Globals._hMainWnd = hMainFrame;
  97
  98                 ShowWindow(hMainFrame, cmdshow);
  99                 UpdateWindow(hMainFrame);
 100
 101                  // Open the first child window after initializing the whole application
 102                 PostMessage(hMainFrame, PM_OPEN_WINDOW, TRUE/*mode_explore*/, 0);
 103         }
 104 }
 105
 106
 107 static void InitInstance(HINSTANCE hInstance)
 108 {
 109         setlocale(LC_COLLATE, "");      // set collating rules to local settings for compareName
 110
 111          // register frame window class
 112         g_Globals._hframeClass = IconWindowClass(CLASSNAME_FRAME,IDI_EXPLORER);
 113
 114          // register child windows class
 115         WindowClass(CLASSNAME_CHILDWND, CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW).Register();
 116
 117          // register tree windows class
 118         WindowClass(CLASSNAME_WINEFILETREE, CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW).Register();
 119
 120         g_Globals._cfStrFName = RegisterClipboardFormat(CFSTR_FILENAME);
 121 }
 122
 123
 124 int explorer_main(HINSTANCE hInstance, HWND hwndDesktop, int cmdshow)
 125 {
 126          // initialize COM and OLE
 127         OleInit usingCOM;
 128
 129          // initialize Common Controls library
 130         CommonControlInit usingCmnCtrl;
 131
 132         try {
 133                 InitInstance(hInstance);
 134         } catch(COMException& e) {
 135                 HandleException(e, g_Globals._hMainWnd);
 136                 return -1;
 137         }
 138
 139         if (hwndDesktop)
 140                 g_Globals._desktop_mode = true;
 141
 142         if (cmdshow != SW_HIDE) {
 143 #ifndef _ROS_   // don't maximize if being called from the ROS desktop
 144                 if (cmdshow == SW_SHOWNORMAL)
 145                                 /*TODO: read window placement from registry */
 146                         cmdshow = SW_MAXIMIZE;
 147 #endif
 148
 149                 explorer_show_frame(hwndDesktop, cmdshow);
 150         }
 151
 152         return Window::MessageLoop();
 153 }
 154
 155
 156 int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nShowCmd)
 157 {
 158          // create desktop window and task bar only, if there is no other shell and we are
 159          // the first explorer instance
 160         BOOL startup_desktop = !IsAnyDesktopRunning();
 161
 162          // If there is given the command line option "-desktop", create desktop window anyways
 163         if (!lstrcmp(lpCmdLine,TEXT("-desktop")))
 164                 startup_desktop = TRUE;
 165
 166         if (!lstrcmp(lpCmdLine,TEXT("-noexplorer"))) {
 167                 nShowCmd = SW_HIDE;
 168                 startup_desktop = TRUE;
 169         }
 170
 171         g_Globals._hInstance = hInstance;
 172
 173         HWND hwndDesktop = 0;
 174
 175         if (startup_desktop)
 176         {
 177                 hwndDesktop = DesktopWindow::Create();
 178
 179 #ifndef _DEBUG  //MF: disabled for debugging
 180                 {
 181                 char* argv[] = {""};
 182                 startup(1, argv);
 183                 }
 184 #endif
 185         }
 186
 187         int ret = explorer_main(hInstance, hwndDesktop, nShowCmd);
 188
 189         return ret;
 190 }