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 void explorer_show_frame(HWND hwndDesktop, int cmdshow)
  66 {
  67         if (g_Globals._hMainWnd)
  68                 return;
  69
  70         g_Globals._prescan_nodes = false;
  71
  72         HMENU hMenuFrame = LoadMenu(g_Globals._hInstance, MAKEINTRESOURCE(IDM_MAINFRAME));
  73
  74          // create main window
  75         g_Globals._hMainWnd = Window::Create(WINDOW_CREATOR(MainFrame), 0,
  76                                         (LPCTSTR)(int)g_Globals._hframeClass, ResString(IDS_TITLE), WS_OVERLAPPEDWINDOW,
  77                                         CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
  78                                         0/*hwndDesktop*/, hMenuFrame);
  79
  80         ShowWindow(g_Globals._hMainWnd, cmdshow);
  81
  82         UpdateWindow(g_Globals._hMainWnd);
  83
  84          // Open the first child window after initialiszing the whole application
  85         PostMessage(g_Globals._hMainWnd, WM_OPEN_WINDOW, 0, 0);
  86 }
  87
  88
  89 static void InitInstance(HINSTANCE hinstance)
  90 {
  91         g_Globals._hInstance = hinstance;
  92
  93         setlocale(LC_COLLATE, "");      // set collating rules to local settings for compareName
  94
  95
  96          // register frame window class
  97
  98         WindowClass wcFrame(CLASSNAME_FRAME);
  99
 100         wcFrame.hIcon             = LoadIcon(hinstance, MAKEINTRESOURCE(IDI_EXPLORER));
 101         wcFrame.hCursor           = LoadCursor(0, IDC_ARROW);
 102         wcFrame.hIconSm           = (HICON)LoadImage(hinstance,
 103                                                                                          MAKEINTRESOURCE(IDI_EXPLORER),
 104                                                                                          IMAGE_ICON,
 105                                                                                          GetSystemMetrics(SM_CXSMICON),
 106                                                                                          GetSystemMetrics(SM_CYSMICON),
 107                                                                                          LR_SHARED);
 108
 109         g_Globals._hframeClass = wcFrame.Register();
 110
 111
 112          // register child windows class
 113
 114         WindowClass wcChild(CLASSNAME_CHILDWND);
 115
 116         wcChild.style             = CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW;
 117         wcChild.hCursor           = LoadCursor(0, IDC_ARROW);
 118
 119         wcChild.Register();
 120
 121
 122          // register tree windows class
 123
 124         WindowClass wcTreeChild(CLASSNAME_WINEFILETREE);
 125
 126         wcTreeChild.style         = CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW;
 127         wcTreeChild.hCursor   = LoadCursor(0, IDC_ARROW);
 128
 129         wcTreeChild.Register();
 130
 131
 132         g_Globals._cfStrFName = RegisterClipboardFormat(CFSTR_FILENAME);
 133 }
 134
 135
 136 int explorer_main(HINSTANCE hinstance, HWND hwndDesktop, int cmdshow)
 137 {
 138          // initialize COM and OLE
 139         OleInit usingCOM;
 140
 141          // initialize Common Controls library
 142         CommonControlInit usingCmnCtrl(ICC_LISTVIEW_CLASSES|ICC_TREEVIEW_CLASSES|ICC_BAR_CLASSES);
 143
 144         try {
 145                 MSG msg;
 146
 147                 InitInstance(hinstance);
 148
 149                 if (hwndDesktop)
 150                         g_Globals._desktop_mode = true;
 151
 152                 if (cmdshow != SW_HIDE) {
 153 #ifndef _ROS_   // don't maximize if being called from the ROS desktop
 154                         if (cmdshow == SW_SHOWNORMAL)
 155                                         /*TODO: read window placement from registry */
 156                                 cmdshow = SW_MAXIMIZE;
 157 #endif
 158
 159                         explorer_show_frame(hwndDesktop, cmdshow);
 160                 }
 161
 162                 while(GetMessage(&msg, 0, 0, 0)) {
 163                         if (g_Globals._hMainWnd && SendMessage(g_Globals._hMainWnd, WM_TRANSLATE_MSG, 0, (LPARAM)&msg))
 164                                 continue;
 165
 166                         TranslateMessage(&msg);
 167
 168                         try {
 169                                 DispatchMessage(&msg);
 170                         } catch(COMException& e) {
 171                                 HandleException(e, g_Globals._hMainWnd);
 172                         }
 173                 }
 174
 175                 return msg.wParam;
 176
 177         } catch(COMException& e) {
 178                 HandleException(e, g_Globals._hMainWnd);
 179         }
 180
 181         return -1;
 182 }
 183
 184
 185 int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nShowCmd)
 186 {
 187          // create desktop window and task bar only, if there is no other shell and we are
 188          // the first explorer instance
 189         BOOL startup_desktop = !IsAnyDesktopRunning();
 190
 191          // If there is given the command line option "-desktop", create desktop window anyways
 192         if (!lstrcmp(lpCmdLine,TEXT("-desktop")))
 193                 startup_desktop = TRUE;
 194
 195         if (!lstrcmp(lpCmdLine,TEXT("-noexplorer"))) {
 196                 nShowCmd = SW_HIDE;
 197                 startup_desktop = TRUE;
 198         }
 199
 200         HWND hwndDesktop = 0;
 201
 202         if (startup_desktop)
 203         {
 204                 hwndDesktop = create_desktop_window(hInstance);
 205
 206                  // Initialize the explorer bar
 207                 HWND hwndExplorerBar = InitializeExplorerBar(hInstance);
 208
 209                  // Load plugins
 210 //              LoadAvailablePlugIns(hwndExplorerBar);
 211
 212 #ifndef _DEBUG  //MF: disabled for debugging
 213                 {
 214                 char* argv[] = {""};
 215                 startup(1, argv);
 216                 }
 217 #endif
 218         }
 219
 220         int ret = explorer_main(hInstance, hwndDesktop, nShowCmd);
 221
 222 //      ReleaseAvailablePlugIns();
 223
 224         return ret;
 225 }