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