reactos/subsys/system/explorer/globals.h

   1 /*
   2  * Copyright 2003, 2004 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, lean version
  22  //
  23  // globals.h
  24  //
  25  // Martin Fuchs, 23.07.2003
  26  //
  27
  28
  29  /// management of file types
  30 struct FileTypeInfo {
  31         String  _classname;
  32         String  _displayname;
  33         bool    _neverShowExt;
  34 };
  35
  36 struct FileTypeManager : public map<String, FileTypeInfo>
  37 {
  38         typedef map<String, FileTypeInfo> super;
  39
  40         const FileTypeInfo& operator[](String ext);
  41
  42         static bool is_exe_file(LPCTSTR ext);
  43
  44         LPCTSTR set_type(struct Entry* entry, bool dont_hide_ext=false);
  45 };
  46
  47
  48 enum ICON_TYPE {
  49         IT_STATIC,
  50         IT_CACHED,
  51         IT_DYNAMIC,
  52         IT_SYSCACHE
  53 };
  54
  55 enum ICON_ID {
  56         ICID_UNKNOWN,
  57         ICID_NONE,
  58
  59         ICID_FOLDER,
  60         //ICID_DOCUMENT,
  61         ICID_APP,
  62         ICID_EXPLORER,
  63
  64         ICID_CONFIG,
  65         ICID_DOCUMENTS,
  66         ICID_FAVORITES,
  67         ICID_INFO,
  68         ICID_APPS,
  69         ICID_SEARCH,
  70         ICID_ACTION,
  71         ICID_SEARCH_DOC,
  72         ICID_PRINTER,
  73         ICID_NETWORK,
  74         ICID_COMPUTER,
  75         ICID_LOGOFF,
  76
  77         ICID_DYNAMIC
  78 };
  79
  80 struct Icon {
  81         Icon();
  82         Icon(ICON_ID id, UINT nid);
  83         Icon(ICON_TYPE itype, int id, HICON hIcon);
  84         Icon(ICON_TYPE itype, int id, int sys_idx);
  85
  86         operator ICON_ID() const {return _id;}
  87
  88         void    draw(HDC hdc, int x, int y, int cx, int cy, COLORREF bk_color, HBRUSH bk_brush) const;
  89         HBITMAP create_bitmap(COLORREF bk_color, HBRUSH hbrBkgnd, HDC hdc_wnd) const;
  90
  91         int             get_sysiml_idx() const {return _itype==IT_SYSCACHE? _sys_idx: -1;}
  92
  93         bool    destroy() {if (_itype == IT_DYNAMIC) {DestroyIcon(_hicon); return true;} else return false;}
  94
  95 protected:
  96         ICON_ID _id;
  97         ICON_TYPE _itype;
  98         HICON   _hicon;
  99         int             _sys_idx;
 100 };
 101
 102 struct SysCacheIcon : public Icon {
 103         SysCacheIcon(int id, int sys_idx)
 104          :      Icon(IT_SYSCACHE, id, sys_idx) {}
 105 };
 106
 107 struct IconCache {
 108         IconCache() : _himlSys(0) {}
 109
 110         void    init();
 111
 112         const Icon&     extract(const String& path);
 113         const Icon&     extract(LPCTSTR path, int idx);
 114         const Icon&     extract(IExtractIcon* pExtract, LPCTSTR path, int idx);
 115
 116         const Icon&     add(HICON hIcon, ICON_TYPE type=IT_DYNAMIC);
 117         const Icon&     add(int sys_idx/*, ICON_TYPE type=IT_SYSCACHE*/);
 118
 119         const Icon&     get_icon(int icon_id);
 120         HIMAGELIST get_sys_imagelist() const {return _himlSys;}
 121
 122         void    free_icon(int icon_id);
 123
 124 protected:
 125         static int s_next_id;
 126
 127         typedef map<int, Icon> IconMap;
 128         IconMap _icons;
 129
 130         typedef map<String, ICON_ID> PathMap;
 131         PathMap _pathMap;
 132
 133         typedef pair<String, int> CachePair;
 134         typedef map<CachePair, ICON_ID> PathIdxMap;
 135         PathIdxMap _pathIdxMap;
 136
 137         HIMAGELIST _himlSys;
 138 };
 139
 140
 141  /// create a bitmap from an icon
 142 extern HBITMAP create_bitmap_from_icon(HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd);
 143
 144
 145  /// desktop management
 146
 147 typedef pair<HWND, DWORD> MinimizeStruct;
 148
 149 struct Desktop
 150 {
 151         set<HWND> _windows;
 152         WindowHandle _hwndForeground;
 153         list<MinimizeStruct> _minimized;
 154 };
 155 typedef Desktop DesktopRef;
 156
 157
 158 #define DESKTOP_COUNT   4
 159
 160 struct Desktops : public vector<DesktopRef>
 161 {
 162         Desktops();
 163         ~Desktops();
 164
 165         void    init();
 166         void    SwitchToDesktop(int idx);
 167         void    ToggleMinimize();
 168
 169         int             _current_desktop;
 170 };
 171
 172
 173  /// structure containing global variables of Explorer
 174 extern struct ExplorerGlobals
 175 {
 176         ExplorerGlobals();
 177
 178         void            init(HINSTANCE hInstance);
 179
 180         HINSTANCE       _hInstance;
 181         UINT            _cfStrFName;
 182
 183 #ifndef ROSSHELL
 184         ATOM            _hframeClass;
 185         HWND            _hMainWnd;
 186         bool            _desktop_mode;
 187         bool            _prescan_nodes;
 188 #endif
 189
 190         FILE*           _log;
 191
 192 #ifndef __MINGW32__     // SHRestricted() missing in MinGW (as of 29.10.2003)
 193         DWORD(STDAPICALLTYPE* _SHRestricted)(RESTRICTIONS);
 194 #endif
 195
 196         FileTypeManager _ftype_mgr;
 197         IconCache       _icon_cache;
 198
 199         HWND            _hwndDesktopBar;
 200         HWND            _hwndShellView;
 201         HWND            _hwndDesktop;
 202
 203         Desktops        _desktops;
 204 } g_Globals;
 205
 206
 207  /// convenient loading of string resources
 208 struct ResString : public String
 209 {
 210         ResString(UINT nid);
 211 };
 212
 213  /// convenient loading of standard (32x32) icon resources
 214 struct ResIcon
 215 {
 216         ResIcon(UINT nid);
 217
 218         operator HICON() const {return _hicon;}
 219
 220 protected:
 221         HICON   _hicon;
 222 };
 223
 224  /// convenient loading of small (16x16) icon resources
 225 struct SmallIcon
 226 {
 227         SmallIcon(UINT nid);
 228
 229         operator HICON() const {return _hicon;}
 230
 231 protected:
 232         HICON   _hicon;
 233 };
 234
 235  /// convenient loading of icon resources with specified sizes
 236 struct ResIconEx
 237 {
 238         ResIconEx(UINT nid, int w, int h);
 239
 240         operator HICON() const {return _hicon;}
 241
 242 protected:
 243         HICON   _hicon;
 244 };
 245
 246  /// set big and small icons out of the resources for a window
 247 extern void SetWindowIcon(HWND hwnd, UINT nid);
 248
 249  /// convenient loading of bitmap resources
 250 struct ResBitmap
 251 {
 252         ResBitmap(UINT nid);
 253         ~ResBitmap() {DeleteObject(_hBmp);}
 254
 255         operator HBITMAP() const {return _hBmp;}
 256
 257 protected:
 258         HBITMAP _hBmp;
 259 };