src/msw/artmsw.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/artmsw.cpp
   3 // Purpose:     stock wxArtProvider instance with native MSW stock icons
   4 // Author:      Vaclav Slavik
   5 // Modified by:
   6 // Created:     2008-10-15
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vaclav Slavik, 2008
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ---------------------------------------------------------------------------
  13 // headers
  14 // ---------------------------------------------------------------------------
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #if defined(__BORLANDC__)
  20     #pragma hdrstop
  21 #endif
  22
  23 #include "wx/artprov.h"
  24 #include "wx/image.h"
  25 #include "wx/msw/wrapwin.h"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // wxWindowsArtProvider
  30 // ----------------------------------------------------------------------------
  31
  32 class wxWindowsArtProvider : public wxArtProvider
  33 {
  34 protected:
  35     virtual wxBitmap CreateBitmap(const wxArtID& id, const wxArtClient& client,
  36                                   const wxSize& size);
  37 };
  38
  39 static wxBitmap CreateFromStdIcon(const char *iconName,
  40                                   const wxArtClient& client)
  41 {
  42     wxIcon icon(iconName);
  43     wxBitmap bmp;
  44     bmp.CopyFromIcon(icon);
  45
  46 #if wxUSE_IMAGE
  47     // The standard native message box icons are in message box size (32x32).
  48     // If they are requested in any size other than the default or message
  49     // box size, they must be rescaled first.
  50     if ( client != wxART_MESSAGE_BOX && client != wxART_OTHER )
  51     {
  52         const wxSize size = wxArtProvider::GetNativeSizeHint(client);
  53         if ( size != wxDefaultSize )
  54         {
  55             wxImage img = bmp.ConvertToImage();
  56             img.Rescale(size.x, size.y);
  57             bmp = wxBitmap(img);
  58         }
  59     }
  60 #endif // wxUSE_IMAGE
  61
  62     return bmp;
  63 }
  64
  65 wxBitmap wxWindowsArtProvider::CreateBitmap(const wxArtID& id,
  66                                             const wxArtClient& client,
  67                                             const wxSize& WXUNUSED(size))
  68 {
  69     // handle message box icons specially (wxIcon ctor treat these names
  70     // as special cases via wxICOResourceHandler::LoadIcon):
  71     const char *name = NULL;
  72     if ( id == wxART_ERROR )
  73         name = "wxICON_ERROR";
  74     else if ( id == wxART_INFORMATION )
  75         name = "wxICON_INFORMATION";
  76     else if ( id == wxART_WARNING )
  77         name = "wxICON_WARNING";
  78     else if ( id == wxART_QUESTION )
  79         name = "wxICON_QUESTION";
  80
  81     if ( name )
  82         return CreateFromStdIcon(name, client);
  83
  84     // for anything else, fall back to generic provider:
  85     return wxNullBitmap;
  86 }
  87
  88 // ----------------------------------------------------------------------------
  89 // wxArtProvider::InitNativeProvider()
  90 // ----------------------------------------------------------------------------
  91
  92 /*static*/ void wxArtProvider::InitNativeProvider()
  93 {
  94     Push(new wxWindowsArtProvider);
  95 }
  96
  97 // ----------------------------------------------------------------------------
  98 // wxArtProvider::GetNativeSizeHint()
  99 // ----------------------------------------------------------------------------
 100
 101 /*static*/
 102 wxSize wxArtProvider::GetNativeSizeHint(const wxArtClient& client)
 103 {
 104     if ( client == wxART_TOOLBAR )
 105     {
 106         return wxSize(24, 24);
 107     }
 108     else if ( client == wxART_MENU )
 109     {
 110         return wxSize(16, 16);
 111     }
 112     else if ( client == wxART_FRAME_ICON )
 113     {
 114         return wxSize(::GetSystemMetrics(SM_CXSMICON),
 115                       ::GetSystemMetrics(SM_CYSMICON));
 116     }
 117     else if ( client == wxART_CMN_DIALOG ||
 118               client == wxART_MESSAGE_BOX )
 119     {
 120         return wxSize(::GetSystemMetrics(SM_CXICON),
 121                       ::GetSystemMetrics(SM_CYICON));
 122     }
 123     else if (client == wxART_BUTTON)
 124     {
 125         return wxSize(16, 16);
 126     }
 127
 128     return wxDefaultSize;
 129 }