base/shell/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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  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_RESTART,
  85         ICID_BOOKMARK,
  86     ICID_MINIMIZE,
  87     ICID_CONTROLPAN,
  88     ICID_DESKSETTING,
  89     ICID_NETCONNS,
  90     ICID_ADMIN,
  91     ICID_RECENT,
  92
  93         ICID_DYNAMIC
  94 };
  95
  96 struct Icon {
  97         Icon();
  98         Icon(ICON_ID id, UINT nid);
  99         Icon(ICON_ID id, UINT nid, int icon_size);
 100         Icon(ICON_TYPE itype, int id, HICON hIcon);
 101         Icon(ICON_TYPE itype, int id, int sys_idx);
 102
 103         operator ICON_ID() const {return _id;}
 104
 105         void    draw(HDC hdc, int x, int y, int cx, int cy, COLORREF bk_color, HBRUSH bk_brush) const;
 106         HBITMAP create_bitmap(COLORREF bk_color, HBRUSH hbrBkgnd, HDC hdc_wnd) const;
 107         int             add_to_imagelist(HIMAGELIST himl, HDC hdc_wnd, COLORREF bk_color=GetSysColor(COLOR_WINDOW), HBRUSH bk_brush=GetSysColorBrush(COLOR_WINDOW)) const;
 108
 109         int             get_sysiml_idx() const {return _itype==IT_SYSCACHE? _sys_idx: -1;}
 110         HICON   get_hicon() const {return _itype!=IT_SYSCACHE? _hicon: 0;}
 111         ICON_TYPE get_icontype() const { return _itype; }
 112
 113         bool    destroy() {if (_itype == IT_DYNAMIC) {DestroyIcon(_hicon); return true;} else return false;}
 114
 115 protected:
 116         ICON_ID _id;
 117         ICON_TYPE _itype;
 118         HICON   _hicon;
 119         int             _sys_idx;
 120 };
 121
 122 struct SysCacheIcon : public Icon {
 123         SysCacheIcon(int id, int sys_idx)
 124          :      Icon(IT_SYSCACHE, id, sys_idx) {}
 125 };
 126
 127 struct IconCache {
 128         IconCache() : _himlSys_small(0) {}
 129
 130         virtual ~IconCache();
 131         void    init();
 132
 133         const Icon&     extract(LPCTSTR path, ICONCACHE_FLAGS flags=ICF_NORMAL);
 134         const Icon&     extract(LPCTSTR path, int icon_idx, ICONCACHE_FLAGS flags=ICF_HICON);
 135         const Icon&     extract(IExtractIcon* pExtract, LPCTSTR path, int icon_idx, ICONCACHE_FLAGS flags=ICF_HICON);
 136         const Icon&     extract(LPCITEMIDLIST pidl, ICONCACHE_FLAGS flags=ICF_NORMAL);
 137
 138         const Icon&     add(HICON hIcon, ICON_TYPE type=IT_DYNAMIC);
 139         const Icon&     add(int sys_idx/*, ICON_TYPE type=IT_SYSCACHE*/);
 140
 141         const Icon&     get_icon(int icon_id);
 142
 143         HIMAGELIST get_sys_imagelist() const {return _himlSys_small;}
 144
 145         void    free_icon(int icon_id);
 146
 147 protected:
 148         static int s_next_id;
 149
 150         typedef map<int, Icon> IconMap;
 151         IconMap _icons;
 152
 153         typedef pair<String,int/*ICONCACHE_FLAGS*/> CacheKey;
 154         typedef map<CacheKey, ICON_ID> PathCacheMap;
 155         PathCacheMap _pathCache;
 156
 157         typedef pair<String,pair<int,int/*ICONCACHE_FLAGS*/> > IdxCacheKey;
 158         typedef map<IdxCacheKey, ICON_ID> IdxCacheMap;
 159         IdxCacheMap _idxCache;
 160
 161         typedef pair<ShellPath,int/*ICONCACHE_FLAGS*/> PidlCacheKey;
 162         typedef map<PidlCacheKey, ICON_ID> PidlCacheMap;
 163         PidlCacheMap _pidlcache;
 164
 165         HIMAGELIST _himlSys_small;
 166 };
 167
 168
 169 #define ICON_SIZE_SMALL         16      // GetSystemMetrics(SM_CXSMICON)
 170 #define ICON_SIZE_MIDDLE        24      // special size for start menu root icons
 171 #define ICON_SIZE_LARGE         32      // GetSystemMetrics(SM_CXICON)
 172
 173 #define STARTMENUROOT_ICON_SIZE         ICON_SIZE_MIDDLE        // ICON_SIZE_LARGE
 174
 175 #define ICON_SIZE_FROM_ICF(flags)       (flags&ICF_LARGE? ICON_SIZE_LARGE: flags&ICF_MIDDLE? ICON_SIZE_MIDDLE: ICON_SIZE_SMALL)
 176 #define ICF_FROM_ICON_SIZE(size)        (size>=ICON_SIZE_LARGE? ICF_LARGE: size>=ICON_SIZE_MIDDLE? ICF_MIDDLE: (ICONCACHE_FLAGS)0)
 177
 178
 179  /// create a bitmap from an icon
 180 extern HBITMAP create_bitmap_from_icon(HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd/*, int icon_size*/);
 181
 182  /// add icon with alpha channel to imagelist using the specified background color
 183 extern int ImageList_AddAlphaIcon(HIMAGELIST himl, HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd);
 184
 185  /// retrieve icon from window
 186 extern HICON get_window_icon_small(HWND hwnd);
 187 extern HICON get_window_icon_big(HWND hwnd, bool allow_from_class=true);
 188
 189
 190  /// desktop management
 191 #ifdef _USE_HDESK
 192
 193 typedef auto_ptr<struct DesktopThread> DesktopThreadPtr;
 194
 195 struct Desktop
 196 {
 197         HDESK   _hdesktop;
 198 //      HWINSTA _hwinsta;
 199         DesktopThreadPtr _pThread;
 200         WindowHandle _hwndDesktop;
 201
 202         Desktop(HDESK hdesktop=0/*, HWINSTA hwinsta=0*/);
 203         ~Desktop();
 204 };
 205
 206 typedef auto_ptr<Desktop> DesktopPtr;
 207 typedef DesktopPtr DesktopRef;
 208
 209  /// Thread class for additional desktops
 210 struct DesktopThread : public Thread
 211 {
 212         DesktopThread(Desktop& desktop)
 213          :      _desktop(desktop)
 214         {
 215         }
 216
 217         int     Run();
 218
 219 protected:
 220         Desktop&        _desktop;
 221 };
 222
 223 #else
 224
 225 typedef pair<HWND, DWORD> MinimizeStruct;
 226
 227 struct Desktop
 228 {
 229         set<HWND> _windows;
 230         WindowHandle _hwndForeground;
 231         list<MinimizeStruct> _minimized;
 232 };
 233 typedef Desktop DesktopRef;
 234
 235 #endif
 236
 237
 238 #define DESKTOP_COUNT   2
 239
 240 struct Desktops : public vector<DesktopRef>
 241 {
 242         Desktops();
 243         ~Desktops();
 244
 245         void    init();
 246         void    SwitchToDesktop(int idx);
 247         void    ToggleMinimize();
 248
 249 #ifdef _USE_HDESK
 250         DesktopRef& get_current_Desktop() {return (*this)[_current_desktop];}
 251 #endif
 252
 253         int             _current_desktop;
 254 };
 255
 256
 257  /// structure containing global variables of Explorer
 258 extern struct ExplorerGlobals
 259 {
 260         ExplorerGlobals();
 261
 262         void    init(HINSTANCE hInstance);
 263
 264         void    read_persistent();
 265         void    write_persistent();
 266
 267         XMLPos  get_cfg();
 268         XMLPos  get_cfg(const char* path);
 269
 270         HINSTANCE       _hInstance;
 271         UINT            _cfStrFName;
 272
 273 #ifndef ROSSHELL
 274         ATOM            _hframeClass;
 275         HWND            _hMainWnd;
 276         bool            _desktop_mode;
 277         bool            _prescan_nodes;
 278 #endif
 279
 280         FILE*           _log;
 281
 282 #ifndef __MINGW32__     // SHRestricted() missing in MinGW (as of 29.10.2003)
 283         DWORD(STDAPICALLTYPE* _SHRestricted)(RESTRICTIONS);
 284 #endif
 285
 286         FileTypeManager _ftype_mgr;
 287         IconCache       _icon_cache;
 288
 289         HWND            _hwndDesktopBar;
 290         HWND            _hwndShellView;
 291         HWND            _hwndDesktop;
 292
 293         Desktops        _desktops;
 294
 295         XMLDoc          _cfg;
 296         String          _cfg_dir;
 297         String          _cfg_path;
 298
 299         Favorites       _favorites;
 300         String          _favorites_path;
 301 } g_Globals;
 302
 303
 304  /// convenient loading of string resources
 305 struct ResString : public String
 306 {
 307         ResString(UINT nid);
 308 };
 309
 310  /// convenient loading of standard (32x32) icon resources
 311 struct ResIcon
 312 {
 313         ResIcon(UINT nid);
 314
 315         operator HICON() const {return _hicon;}
 316
 317 protected:
 318         HICON   _hicon;
 319 };
 320
 321  /// convenient loading of small (16x16) icon resources
 322 struct SmallIcon
 323 {
 324         SmallIcon(UINT nid);
 325
 326         operator HICON() const {return _hicon;}
 327
 328 protected:
 329         HICON   _hicon;
 330 };
 331
 332  /// convenient loading of icon resources with specified sizes
 333 struct ResIconEx
 334 {
 335         ResIconEx(UINT nid, int w, int h);
 336
 337         operator HICON() const {return _hicon;}
 338
 339 protected:
 340         HICON   _hicon;
 341 };
 342
 343  /// set big and small icons out of the resources for a window
 344 extern void SetWindowIcon(HWND hwnd, UINT nid);
 345
 346  /// convenient loading of bitmap resources
 347 struct ResBitmap
 348 {
 349         ResBitmap(UINT nid);
 350         ~ResBitmap() {DeleteObject(_hBmp);}
 351
 352         operator HBITMAP() const {return _hBmp;}
 353
 354 protected:
 355         HBITMAP _hBmp;
 356 };