include/wx/artprov.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        artprov.h
   3 // Purpose:     wxArtProvider class
   4 // Author:      Vaclav Slavik
   5 // Modified by:
   6 // Created:     18/03/2002
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vaclav Slavik
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_ARTPROV_H_
  13 #define _WX_ARTPROV_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "artprov.h"
  17 #endif
  18
  19 #include "wx/string.h"
  20 #include "wx/bitmap.h"
  21 #include "wx/icon.h"
  22
  23 class WXDLLEXPORT wxArtProvidersList;
  24 class WXDLLEXPORT wxArtProviderCache;
  25
  26 // ----------------------------------------------------------------------------
  27 // Types
  28 // ----------------------------------------------------------------------------
  29
  30 typedef wxString wxArtClient;
  31 typedef wxString wxArtID;
  32
  33 // ----------------------------------------------------------------------------
  34 // Art clients
  35 // ----------------------------------------------------------------------------
  36
  37 #define wxART_TOOLBAR                       _T("toolbar_C")
  38 #define wxART_MENU                          _T("menu_C")
  39 #define wxART_FRAME_ICON                    _T("frame_icon_C")
  40
  41 #define wxART_CMN_DIALOG                    _T("cmn_dialog_C")
  42 #define wxART_HELP_BROWSER                  _T("help_browser_C")
  43
  44 #define wxART_OTHER                         _T("other_C")
  45
  46 // ----------------------------------------------------------------------------
  47 // Art IDs
  48 // ----------------------------------------------------------------------------
  49
  50 #define wxART_ADD_BOOKMARK             _T("add_bookmark")
  51 #define wxART_DEL_BOOKMARK             _T("del_bookmark")
  52 #define wxART_HELP_SIDE_PANEL          _T("help_side_panel")
  53 #define wxART_HELP_SETTINGS            _T("help_settings")
  54 #define wxART_HELP_BOOK                _T("help_book")
  55 #define wxART_HELP_FOLDER              _T("help_folder")
  56 #define wxART_HELP_PAGE                _T("help_page")
  57 #define wxART_GO_BACK                  _T("go_back")
  58 #define wxART_GO_FORWARD               _T("go_forward")
  59 #define wxART_GO_UP                    _T("go_up")
  60 #define wxART_GO_DOWN                  _T("go_down")
  61 #define wxART_GO_TO_PARENT             _T("go_to_parent")
  62 #define wxART_FILE_OPEN                _T("file_open")
  63 #define wxART_PRINT                    _T("print")
  64 #define wxART_HELP                     _T("help")
  65 #define wxART_TIP                      _T("tip")
  66
  67 // ----------------------------------------------------------------------------
  68 // wxArtProvider class
  69 // ----------------------------------------------------------------------------
  70
  71 class WXDLLEXPORT wxArtProvider : public wxObject
  72 {
  73 public:
  74     // Add new provider to the top of providers stack.
  75     static void PushProvider(wxArtProvider *provider);
  76
  77     // Remove latest added provider and delete it.
  78     static bool PopProvider();
  79
  80     // Remove provider. The provider must have been added previously!
  81     // The provider is _not_ deleted.
  82     static bool RemoveProvider(wxArtProvider *provider);
  83
  84     // Query the providers for bitmap with given ID and return it. Return
  85     // wxNullBitmap if no provider provides it.
  86     static wxBitmap GetBitmap(const wxArtID& id,
  87                               const wxArtClient& client = wxART_OTHER,
  88                               const wxSize& size = wxDefaultSize);
  89
  90     // Query the providers for icon with given ID and return it. Return
  91     // wxNullIcon if no provider provides it.
  92     static wxIcon GetIcon(const wxArtID& id,
  93                           const wxArtClient& client = wxART_OTHER,
  94                           const wxSize& size = wxDefaultSize);
  95
  96     // Destroy caches & all providers
  97     static void CleanUpProviders();
  98
  99 protected:
 100     // Derived classes must override this method to create requested
 101     // art resource. This method is called only once per instance's
 102     // lifetime for each requested wxArtID.
 103     virtual wxBitmap CreateBitmap(const wxArtID& WXUNUSED(id),
 104                                   const wxArtClient& WXUNUSED(client),
 105                                   const wxSize& WXUNUSED(size))
 106     {
 107         wxFAIL_MSG(_T("pure virtual method wxArtProvider::CreateBitmap called!"));
 108         return wxNullBitmap;
 109     }
 110
 111 private:
 112     // list of providers:
 113     static wxArtProvidersList *sm_providers;
 114     // art resources cache (so that CreateXXX is not called that often):
 115     static wxArtProviderCache *sm_cache;
 116
 117     DECLARE_ABSTRACT_CLASS(wxArtProvider)
 118 };
 119
 120
 121 #endif // _WX_ARTPROV_H_