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
  22  //
  23  // globals.h
  24  //
  25  // Martin Fuchs, 23.07.2003
  26  //
  27
  28
  29 #include "utility/xmlstorage.h"
  30
  31 using namespace XMLStorage;
  32
  33 #include "taskbar/favorites.h"
  34
  35
  36  /// management of file types
  37 struct FileTypeInfo {
  38         String  _classname;
  39         String  _displayname;
  40         bool    _neverShowExt;
  41 };
  42
  43 struct FileTypeManager : public map<String, FileTypeInfo>
  44 {
  45         typedef map<String, FileTypeInfo> super;
  46
  47         const FileTypeInfo& operator[](String ext);
  48
  49         static bool is_exe_file(LPCTSTR ext);
  50
  51         LPCTSTR set_type(struct Entry* entry, bool dont_hide_ext=false);
  52 };
  53
  54
  55 enum ICON_TYPE {
  56         IT_STATIC,
  57         IT_CACHED,
  58         IT_DYNAMIC,
  59         IT_SYSCACHE
  60 };
  61
  62 enum ICON_ID {
  63         ICID_UNKNOWN,
  64         ICID_NONE,
  65
  66         ICID_FOLDER,
  67         //ICID_DOCUMENT,
  68         ICID_APP,
  69         ICID_EXPLORER,
  70
  71         ICID_CONFIG,
  72         ICID_DOCUMENTS,
  73         ICID_FAVORITES,
  74         ICID_INFO,
  75         ICID_APPS,
  76         ICID_SEARCH,
  77         ICID_ACTION,
  78         ICID_SEARCH_DOC,
  79         ICID_PRINTER,
  80         ICID_NETWORK,
  81         ICID_COMPUTER,
  82         ICID_LOGOFF,
  83         ICID_BOOKMARK,
  84
  85         ICID_DYNAMIC
  86 };
  87
  88 struct Icon {
  89         Icon();
  90         Icon(ICON_ID id, UINT nid);
  91         Icon(ICON_TYPE itype, int id, HICON hIcon);
  92         Icon(ICON_TYPE itype, int id, int sys_idx);
  93
  94         operator ICON_ID() const {return _id;}
  95
  96         void    draw(HDC hdc, int x, int y, int cx, int cy, COLORREF bk_color, HBRUSH bk_brush) const;
  97         HBITMAP create_bitmap(COLORREF bk_color, HBRUSH hbrBkgnd, HDC hdc_wnd) const;
  98         int             add_to_imagelist(HIMAGELIST himl, HDC hdc_wnd, COLORREF bk_color=GetSysColor(COLOR_WINDOW), HBRUSH bk_brush=GetSysColorBrush(COLOR_WINDOW)) const;
  99
 100         int             get_sysiml_idx() const {return _itype==IT_SYSCACHE? _sys_idx: -1;}
 101
 102         bool    destroy() {if (_itype == IT_DYNAMIC) {DestroyIcon(_hicon); return true;} else return false;}
 103
 104 protected:
 105         ICON_ID _id;
 106         ICON_TYPE _itype;
 107         HICON   _hicon;
 108         int             _sys_idx;
 109 };
 110
 111 struct SysCacheIcon : public Icon {
 112         SysCacheIcon(int id, int sys_idx)
 113          :      Icon(IT_SYSCACHE, id, sys_idx) {}
 114 };
 115
 116 struct IconCache {
 117         IconCache() : _himlSys(0) {}
 118
 119         void    init();
 120
 121         const Icon&     extract(const String& path);
 122         const Icon&     extract(LPCTSTR path, int idx);
 123         const Icon&     extract(IExtractIcon* pExtract, LPCTSTR path, int idx);
 124
 125         const Icon&     add(HICON hIcon, ICON_TYPE type=IT_DYNAMIC);
 126         const Icon&     add(int sys_idx/*, ICON_TYPE type=IT_SYSCACHE*/);
 127
 128         const Icon&     get_icon(int icon_id);
 129         HIMAGELIST get_sys_imagelist() const {return _himlSys;}
 130
 131         void    free_icon(int icon_id);
 132
 133 protected:
 134         static int s_next_id;
 135
 136         typedef map<int, Icon> IconMap;
 137         IconMap _icons;
 138
 139         typedef map<String, ICON_ID> PathMap;
 140         PathMap _pathMap;
 141
 142         typedef pair<String, int> CachePair;
 143         typedef map<CachePair, ICON_ID> PathIdxMap;
 144         PathIdxMap _pathIdxMap;
 145
 146         HIMAGELIST _himlSys;
 147 };
 148
 149
 150  /// create a bitmap from an icon
 151 extern HBITMAP create_bitmap_from_icon(HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd);
 152
 153  /// add icon with alpha channel to imagelist using the specified background color
 154 extern int ImageList_AddAlphaIcon(HIMAGELIST himl, HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd);
 155
 156  /// retrieve icon from window
 157 extern HICON get_window_icon_small(HWND hwnd);
 158 extern HICON get_window_icon_big(HWND hwnd, bool allow_from_class=true);
 159
 160
 161  /// desktop management
 162 #ifdef _USE_HDESK
 163
 164 typedef auto_ptr<struct DesktopThread> DesktopThreadPtr;
 165
 166 struct Desktop
 167 {
 168         HDESK   _hdesktop;
 169 //      HWINSTA _hwinsta;
 170         DesktopThreadPtr _pThread;
 171         WindowHandle _hwndDesktop;
 172
 173         Desktop(HDESK hdesktop=0/*, HWINSTA hwinsta=0*/);
 174         ~Desktop();
 175 };
 176
 177 typedef auto_ptr<Desktop> DesktopPtr;
 178 typedef DesktopPtr DesktopRef;
 179
 180  /// Thread class for additional desktops
 181 struct DesktopThread : public Thread
 182 {
 183         DesktopThread(Desktop& desktop)
 184          :      _desktop(desktop)
 185         {
 186         }
 187
 188         int     Run();
 189
 190 protected:
 191         Desktop&        _desktop;
 192 };
 193
 194 #else
 195
 196 typedef pair<HWND, DWORD> MinimizeStruct;
 197
 198 struct Desktop
 199 {
 200         set<HWND> _windows;
 201         WindowHandle _hwndForeground;
 202         list<MinimizeStruct> _minimized;
 203 };
 204 typedef Desktop DesktopRef;
 205
 206 #endif
 207
 208
 209 #define DESKTOP_COUNT   4
 210
 211 struct Desktops : public vector<DesktopRef>
 212 {
 213         Desktops();
 214         ~Desktops();
 215
 216         void    init();
 217         void    SwitchToDesktop(int idx);
 218         void    ToggleMinimize();
 219
 220 #ifdef _USE_HDESK
 221         DesktopRef& get_current_Desktop() {return (*this)[_current_desktop];}
 222 #endif
 223
 224         int             _current_desktop;
 225 };
 226
 227
 228  /// structure containing global variables of Explorer
 229 extern struct ExplorerGlobals
 230 {
 231         ExplorerGlobals();
 232
 233         void    init(HINSTANCE hInstance);
 234
 235         void    read_persistent();
 236         void    write_persistent();
 237
 238         XMLPos  get_cfg();
 239         XMLPos  get_cfg(const char* path);
 240
 241         HINSTANCE       _hInstance;
 242         UINT            _cfStrFName;
 243
 244 #ifndef ROSSHELL
 245         ATOM            _hframeClass;
 246         HWND            _hMainWnd;
 247         bool            _desktop_mode;
 248         bool            _prescan_nodes;
 249 #endif
 250
 251         FILE*           _log;
 252
 253 #ifndef __MINGW32__     // SHRestricted() missing in MinGW (as of 29.10.2003)
 254         DWORD(STDAPICALLTYPE* _SHRestricted)(RESTRICTIONS);
 255 #endif
 256
 257         FileTypeManager _ftype_mgr;
 258         IconCache       _icon_cache;
 259
 260         HWND            _hwndDesktopBar;
 261         HWND            _hwndShellView;
 262         HWND            _hwndDesktop;
 263
 264         Desktops        _desktops;
 265
 266         XMLDoc          _cfg;
 267         String          _cfg_dir;
 268         String          _cfg_path;
 269
 270         Favorites       _favorites;
 271         String          _favorites_path;
 272 } g_Globals;
 273
 274
 275  /// convenient loading of string resources
 276 struct ResString : public String
 277 {
 278         ResString(UINT nid);
 279 };
 280
 281  /// convenient loading of standard (32x32) icon resources
 282 struct ResIcon
 283 {
 284         ResIcon(UINT nid);
 285
 286         operator HICON() const {return _hicon;}
 287
 288 protected:
 289         HICON   _hicon;
 290 };
 291
 292  /// convenient loading of small (16x16) icon resources
 293 struct SmallIcon
 294 {
 295         SmallIcon(UINT nid);
 296
 297         operator HICON() const {return _hicon;}
 298
 299 protected:
 300         HICON   _hicon;
 301 };
 302
 303  /// convenient loading of icon resources with specified sizes
 304 struct ResIconEx
 305 {
 306         ResIconEx(UINT nid, int w, int h);
 307
 308         operator HICON() const {return _hicon;}
 309
 310 protected:
 311         HICON   _hicon;
 312 };
 313
 314  /// set big and small icons out of the resources for a window
 315 extern void SetWindowIcon(HWND hwnd, UINT nid);
 316
 317  /// convenient loading of bitmap resources
 318 struct ResBitmap
 319 {
 320         ResBitmap(UINT nid);
 321         ~ResBitmap() {DeleteObject(_hBmp);}
 322
 323         operator HBITMAP() const {return _hBmp;}
 324
 325 protected:
 326         HBITMAP _hBmp;
 327 };