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_SHUTDOWN,
  84         ICID_BOOKMARK,
  85     ICID_MINIMIZE,
  86     ICID_CONTROLPAN,
  87     ICID_DESKSETTING,
  88     ICID_NETCONNS,
  89     ICID_ADMINISTRATION,
  90
  91         ICID_DYNAMIC
  92 };
  93
  94 struct Icon {
  95         Icon();
  96         Icon(ICON_ID id, UINT nid);
  97         Icon(ICON_TYPE itype, int id, HICON hIcon);
  98         Icon(ICON_TYPE itype, int id, int sys_idx);
  99
 100         operator ICON_ID() const {return _id;}
 101
 102         void    draw(HDC hdc, int x, int y, int cx, int cy, COLORREF bk_color, HBRUSH bk_brush) const;
 103         HBITMAP create_bitmap(COLORREF bk_color, HBRUSH hbrBkgnd, HDC hdc_wnd) const;
 104         int             add_to_imagelist(HIMAGELIST himl, HDC hdc_wnd, COLORREF bk_color=GetSysColor(COLOR_WINDOW), HBRUSH bk_brush=GetSysColorBrush(COLOR_WINDOW)) const;
 105
 106         int             get_sysiml_idx() const {return _itype==IT_SYSCACHE? _sys_idx: -1;}
 107         HICON   get_hicon() const {return _itype!=IT_SYSCACHE? _hicon: 0;}
 108
 109         bool    destroy() {if (_itype == IT_DYNAMIC) {DestroyIcon(_hicon); return true;} else return false;}
 110
 111 protected:
 112         ICON_ID _id;
 113         ICON_TYPE _itype;
 114         HICON   _hicon;
 115         int             _sys_idx;
 116 };
 117
 118 struct SysCacheIcon : public Icon {
 119         SysCacheIcon(int id, int sys_idx)
 120          :      Icon(IT_SYSCACHE, id, sys_idx) {}
 121 };
 122
 123 struct IconCache {
 124         IconCache() : _himlSys_small(0) {}
 125
 126         void    init();
 127
 128         const Icon&     extract(LPCTSTR path, ICONCACHE_FLAGS flags=ICF_NORMAL);
 129         const Icon&     extract(LPCTSTR path, int idx, ICONCACHE_FLAGS flags=ICF_HICON);
 130         const Icon&     extract(IExtractIcon* pExtract, LPCTSTR path, int idx, ICONCACHE_FLAGS flags=ICF_HICON);
 131
 132         const Icon&     add(HICON hIcon, ICON_TYPE type=IT_DYNAMIC);
 133         const Icon&     add(int sys_idx/*, ICON_TYPE type=IT_SYSCACHE*/);
 134
 135         const Icon&     get_icon(int icon_id);
 136
 137         HIMAGELIST get_sys_imagelist() const {return _himlSys_small;}
 138
 139         void    free_icon(int icon_id);
 140
 141 protected:
 142         static int s_next_id;
 143
 144         typedef map<int, Icon> IconMap;
 145         IconMap _icons;
 146
 147         typedef pair<String,int/*ICONCACHE_FLAGS*/> CacheKey;
 148         typedef map<CacheKey, ICON_ID> PathCacheMap;
 149         PathCacheMap _pathCache;
 150
 151         typedef pair<String,pair<int,int/*ICONCACHE_FLAGS*/> > IdxCacheKey;
 152         typedef map<IdxCacheKey, ICON_ID> IdxCacheMap;
 153         IdxCacheMap _idxCache;
 154
 155         HIMAGELIST _himlSys_small;
 156 };
 157
 158
 159 #define ICON_SIZE_X             GetSystemMetrics(large_icons? SM_CXICON: SM_CXSMICON)
 160 #define ICON_SIZE_Y             GetSystemMetrics(large_icons? SM_CYICON: SM_CYSMICON)
 161
 162
 163  /// create a bitmap from an icon
 164 extern HBITMAP create_bitmap_from_icon(HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd/*, bool large_icons*/);
 165
 166  /// add icon with alpha channel to imagelist using the specified background color
 167 extern int ImageList_AddAlphaIcon(HIMAGELIST himl, HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd);
 168
 169  /// retrieve icon from window
 170 extern HICON get_window_icon_small(HWND hwnd);
 171 extern HICON get_window_icon_big(HWND hwnd, bool allow_from_class=true);
 172
 173
 174  /// desktop management
 175 #ifdef _USE_HDESK
 176
 177 typedef auto_ptr<struct DesktopThread> DesktopThreadPtr;
 178
 179 struct Desktop
 180 {
 181         HDESK   _hdesktop;
 182 //      HWINSTA _hwinsta;
 183         DesktopThreadPtr _pThread;
 184         WindowHandle _hwndDesktop;
 185
 186         Desktop(HDESK hdesktop=0/*, HWINSTA hwinsta=0*/);
 187         ~Desktop();
 188 };
 189
 190 typedef auto_ptr<Desktop> DesktopPtr;
 191 typedef DesktopPtr DesktopRef;
 192
 193  /// Thread class for additional desktops
 194 struct DesktopThread : public Thread
 195 {
 196         DesktopThread(Desktop& desktop)
 197          :      _desktop(desktop)
 198         {
 199         }
 200
 201         int     Run();
 202
 203 protected:
 204         Desktop&        _desktop;
 205 };
 206
 207 #else
 208
 209 typedef pair<HWND, DWORD> MinimizeStruct;
 210
 211 struct Desktop
 212 {
 213         set<HWND> _windows;
 214         WindowHandle _hwndForeground;
 215         list<MinimizeStruct> _minimized;
 216 };
 217 typedef Desktop DesktopRef;
 218
 219 #endif
 220
 221
 222 #define DESKTOP_COUNT   4
 223
 224 struct Desktops : public vector<DesktopRef>
 225 {
 226         Desktops();
 227         ~Desktops();
 228
 229         void    init();
 230         void    SwitchToDesktop(int idx);
 231         void    ToggleMinimize();
 232
 233 #ifdef _USE_HDESK
 234         DesktopRef& get_current_Desktop() {return (*this)[_current_desktop];}
 235 #endif
 236
 237         int             _current_desktop;
 238 };
 239
 240
 241  /// structure containing global variables of Explorer
 242 extern struct ExplorerGlobals
 243 {
 244         ExplorerGlobals();
 245
 246         void    init(HINSTANCE hInstance);
 247
 248         void    read_persistent();
 249         void    write_persistent();
 250
 251         XMLPos  get_cfg();
 252         XMLPos  get_cfg(const char* path);
 253
 254         HINSTANCE       _hInstance;
 255         UINT            _cfStrFName;
 256
 257 #ifndef ROSSHELL
 258         ATOM            _hframeClass;
 259         HWND            _hMainWnd;
 260         bool            _desktop_mode;
 261         bool            _prescan_nodes;
 262 #endif
 263
 264         FILE*           _log;
 265
 266 #ifndef __MINGW32__     // SHRestricted() missing in MinGW (as of 29.10.2003)
 267         DWORD(STDAPICALLTYPE* _SHRestricted)(RESTRICTIONS);
 268 #endif
 269
 270         FileTypeManager _ftype_mgr;
 271         IconCache       _icon_cache;
 272
 273         HWND            _hwndDesktopBar;
 274         HWND            _hwndShellView;
 275         HWND            _hwndDesktop;
 276
 277         Desktops        _desktops;
 278
 279         XMLDoc          _cfg;
 280         String          _cfg_dir;
 281         String          _cfg_path;
 282
 283         Favorites       _favorites;
 284         String          _favorites_path;
 285 } g_Globals;
 286
 287
 288  /// convenient loading of string resources
 289 struct ResString : public String
 290 {
 291         ResString(UINT nid);
 292 };
 293
 294  /// convenient loading of standard (32x32) icon resources
 295 struct ResIcon
 296 {
 297         ResIcon(UINT nid);
 298
 299         operator HICON() const {return _hicon;}
 300
 301 protected:
 302         HICON   _hicon;
 303 };
 304
 305  /// convenient loading of small (16x16) icon resources
 306 struct SmallIcon
 307 {
 308         SmallIcon(UINT nid);
 309
 310         operator HICON() const {return _hicon;}
 311
 312 protected:
 313         HICON   _hicon;
 314 };
 315
 316  /// convenient loading of icon resources with specified sizes
 317 struct ResIconEx
 318 {
 319         ResIconEx(UINT nid, int w, int h);
 320
 321         operator HICON() const {return _hicon;}
 322
 323 protected:
 324         HICON   _hicon;
 325 };
 326
 327  /// set big and small icons out of the resources for a window
 328 extern void SetWindowIcon(HWND hwnd, UINT nid);
 329
 330  /// convenient loading of bitmap resources
 331 struct ResBitmap
 332 {
 333         ResBitmap(UINT nid);
 334         ~ResBitmap() {DeleteObject(_hBmp);}
 335
 336         operator HBITMAP() const {return _hBmp;}
 337
 338 protected:
 339         HBITMAP _hBmp;
 340 };