reactos/subsys/system/explorer/globals.h

   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  // globals.h
  24  //
  25  // Martin Fuchs, 23.07.2003
  26  //
  27
  28
  29  /// management of file types
  30 struct FileTypeInfo {
  31         String  _classname;
  32         bool    _neverShowExt;
  33 };
  34
  35 struct FileTypeManager : public map<String, FileTypeInfo>
  36 {
  37         typedef map<String, FileTypeInfo> super;
  38
  39         const FileTypeInfo& operator[](String ext);
  40 };
  41
  42
  43 enum ICON_TYPE {
  44         IT_STATIC,
  45         IT_CACHED,
  46         IT_DYNAMIC,
  47         IT_SYSCACHE
  48 };
  49
  50 enum ICON_ID {
  51         ICID_UNKNOWN,
  52         ICID_NONE,
  53
  54         ICID_FOLDER,
  55         //ICID_DOCUMENT,
  56         ICID_APP,
  57         ICID_EXPLORER,
  58
  59         ICID_CONFIG,
  60         ICID_DOCUMENTS,
  61         ICID_FAVORITES,
  62         ICID_INFO,
  63         ICID_APPS,
  64         ICID_SEARCH,
  65         ICID_ACTION,
  66         ICID_SEARCH_DOC,
  67         ICID_PRINTER,
  68         ICID_NETWORK,
  69         ICID_COMPUTER,
  70         ICID_LOGOFF,
  71
  72         ICID_DYNAMIC
  73 };
  74
  75 struct Icon {
  76         ICON_ID _id;
  77         ICON_TYPE _itype;
  78         HICON   _hIcon;
  79
  80         Icon();
  81         Icon(ICON_ID id, UINT nid);
  82         Icon(ICON_TYPE itype, int id, HICON hIcon);
  83 };
  84
  85 struct IconCache {
  86         void    init();
  87
  88         const Icon&     extract(IExtractIcon* pExtract, LPCTSTR path, int idx);
  89         const Icon&     extract_from_file(LPCTSTR path, int idx);
  90
  91         const Icon&     add(HICON hIcon);
  92         const Icon&     add_cached(HICON hIcon, LPCTSTR path, int idx);
  93
  94         const Icon&     get_icon(int icon_id);
  95         HBITMAP get_icon_bitmap(int icon_id, HBRUSH hbrBkgnd, HDC hdc);
  96
  97         void    free_icon(int icon_id);
  98
  99 protected:
 100         typedef map<int, Icon> IconMap;
 101
 102         typedef pair<String, int> CachePair;
 103         typedef map<CachePair, ICON_ID> CacheMap;
 104
 105         static int s_next_id;
 106
 107         IconMap _icons;
 108         CacheMap _cache_map;
 109 };
 110
 111
 112  /// create a bitmap from an icon
 113 extern HBITMAP create_bitmap_from_icon(HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd);
 114
 115
 116  /// structure containing global variables of Explorer
 117 extern struct ExplorerGlobals
 118 {
 119         ExplorerGlobals();
 120
 121         void            init(HINSTANCE hInstance);
 122
 123         HINSTANCE       _hInstance;
 124         ATOM            _hframeClass;
 125         UINT            _cfStrFName;
 126         HWND            _hMainWnd;
 127         bool            _prescan_nodes;
 128         bool            _desktop_mode;
 129
 130         FILE*           _log;
 131
 132 #ifndef __MINGW32__     // SHRestricted() missing in MinGW (as of 29.10.2003)
 133         DWORD(STDAPICALLTYPE* _SHRestricted)(RESTRICTIONS);
 134 #endif
 135
 136         FileTypeManager _ftype_mgr;
 137         IconCache       _icon_cache;
 138 } g_Globals;
 139
 140
 141  /// convenient loading of string resources
 142 struct ResString : public String
 143 {
 144         ResString(UINT nid);
 145 };
 146
 147  /// convenient loading of standard (32x32) icon resources
 148 struct ResIcon
 149 {
 150         ResIcon(UINT nid);
 151
 152         operator HICON() const {return _hIcon;}
 153
 154 protected:
 155         HICON   _hIcon;
 156 };
 157
 158  /// convenient loading of small (16x16) icon resources
 159 struct SmallIcon
 160 {
 161         SmallIcon(UINT nid);
 162
 163         operator HICON() const {return _hIcon;}
 164
 165 protected:
 166         HICON   _hIcon;
 167 };
 168
 169  /// convenient loading of icon resources with specified sizes
 170 struct ResIconEx
 171 {
 172         ResIconEx(UINT nid, int w, int h);
 173
 174         operator HICON() const {return _hIcon;}
 175
 176 protected:
 177         HICON   _hIcon;
 178 };
 179
 180  /// set big and small icons out of the resources for a window
 181 extern void SetWindowIcon(HWND hwnd, UINT nid);
 182
 183  /// convenient loading of bitmap resources
 184 struct ResBitmap
 185 {
 186         ResBitmap(UINT nid);
 187         ~ResBitmap() {DeleteObject(_hBmp);}
 188
 189         operator HBITMAP() const {return _hBmp;}
 190
 191 protected:
 192         HBITMAP _hBmp;
 193 };