| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dataobj.cpp |
| 3 | // Purpose: wxDataObject class |
| 4 | // Author: Julian Smart |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Julian Smart |
| 7 | // Licence: wxWindows licence |
| 8 | /////////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 11 | #pragma implementation "dataobj.h" |
| 12 | #endif |
| 13 | |
| 14 | // For compilers that support precompilation, includes "wx.h". |
| 15 | #include "wx/wxprec.h" |
| 16 | |
| 17 | #include "wx/defs.h" |
| 18 | |
| 19 | #if wxUSE_CLIPBOARD |
| 20 | |
| 21 | #include "wx/dataobj.h" |
| 22 | #include "wx/app.h" |
| 23 | #include "wx/utils.h" |
| 24 | |
| 25 | #ifdef __VMS__ |
| 26 | #pragma message disable nosimpint |
| 27 | #endif |
| 28 | #include <Xm/Xm.h> |
| 29 | #ifdef __VMS__ |
| 30 | #pragma message enable nosimpint |
| 31 | #endif |
| 32 | |
| 33 | #include "wx/motif/private.h" |
| 34 | |
| 35 | //------------------------------------------------------------------------- |
| 36 | // global data |
| 37 | //------------------------------------------------------------------------- |
| 38 | |
| 39 | Atom g_textAtom = 0; |
| 40 | Atom g_bitmapAtom = 0; |
| 41 | Atom g_fileAtom = 0; |
| 42 | |
| 43 | //------------------------------------------------------------------------- |
| 44 | // wxDataFormat |
| 45 | //------------------------------------------------------------------------- |
| 46 | |
| 47 | wxDataFormat::wxDataFormat() |
| 48 | { |
| 49 | // do *not* call PrepareFormats() from here for 2 reasons: |
| 50 | // |
| 51 | // 1. we will have time to do it later because some other Set function |
| 52 | // must be called before we really need them |
| 53 | // |
| 54 | // 2. doing so prevents us from declaring global wxDataFormats because |
| 55 | // calling PrepareFormats (and thus gdk_atom_intern) before GDK is |
| 56 | // initialised will result in a crash |
| 57 | m_type = wxDF_INVALID; |
| 58 | m_format = (Atom) 0; |
| 59 | } |
| 60 | |
| 61 | wxDataFormat::wxDataFormat( wxDataFormatId type ) |
| 62 | { |
| 63 | PrepareFormats(); |
| 64 | SetType( type ); |
| 65 | } |
| 66 | |
| 67 | wxDataFormat::wxDataFormat( const wxChar *id ) |
| 68 | { |
| 69 | PrepareFormats(); |
| 70 | SetId( id ); |
| 71 | } |
| 72 | |
| 73 | wxDataFormat::wxDataFormat( const wxString &id ) |
| 74 | { |
| 75 | PrepareFormats(); |
| 76 | SetId( id ); |
| 77 | } |
| 78 | |
| 79 | wxDataFormat::wxDataFormat( NativeFormat format ) |
| 80 | { |
| 81 | PrepareFormats(); |
| 82 | SetId( format ); |
| 83 | } |
| 84 | |
| 85 | void wxDataFormat::SetType( wxDataFormatId type ) |
| 86 | { |
| 87 | PrepareFormats(); |
| 88 | m_type = type; |
| 89 | |
| 90 | if (m_type == wxDF_TEXT) |
| 91 | m_format = g_textAtom; |
| 92 | else |
| 93 | if (m_type == wxDF_BITMAP) |
| 94 | m_format = g_bitmapAtom; |
| 95 | else |
| 96 | if (m_type == wxDF_FILENAME) |
| 97 | m_format = g_fileAtom; |
| 98 | else |
| 99 | { |
| 100 | wxFAIL_MSG( wxT("invalid dataformat") ); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | wxDataFormatId wxDataFormat::GetType() const |
| 105 | { |
| 106 | return m_type; |
| 107 | } |
| 108 | |
| 109 | wxString wxDataFormat::GetId() const |
| 110 | { |
| 111 | char *t = XGetAtomName ((Display*) wxGetDisplay(), m_format); |
| 112 | wxString ret( t ); // this will convert from ascii to Unicode |
| 113 | if (t) |
| 114 | XFree( t ); |
| 115 | return ret; |
| 116 | } |
| 117 | |
| 118 | void wxDataFormat::SetId( NativeFormat format ) |
| 119 | { |
| 120 | PrepareFormats(); |
| 121 | m_format = format; |
| 122 | |
| 123 | if (m_format == g_textAtom) |
| 124 | m_type = wxDF_TEXT; |
| 125 | else |
| 126 | if (m_format == g_bitmapAtom) |
| 127 | m_type = wxDF_BITMAP; |
| 128 | else |
| 129 | if (m_format == g_fileAtom) |
| 130 | m_type = wxDF_FILENAME; |
| 131 | else |
| 132 | m_type = wxDF_PRIVATE; |
| 133 | } |
| 134 | |
| 135 | void wxDataFormat::SetId( const wxChar *id ) |
| 136 | { |
| 137 | PrepareFormats(); |
| 138 | m_type = wxDF_PRIVATE; |
| 139 | wxString tmp( id ); |
| 140 | m_format = XInternAtom( wxGlobalDisplay(), |
| 141 | tmp.mbc_str(), False ); |
| 142 | } |
| 143 | |
| 144 | void wxDataFormat::PrepareFormats() |
| 145 | { |
| 146 | if (!g_textAtom) |
| 147 | g_textAtom = XInternAtom( wxGlobalDisplay(), "STRING", False ); |
| 148 | if (!g_bitmapAtom) |
| 149 | g_bitmapAtom = XInternAtom( wxGlobalDisplay(), "PIXMAP", False ); |
| 150 | if (!g_fileAtom) |
| 151 | g_fileAtom = XInternAtom( wxGlobalDisplay(), "file:ALL", False ); |
| 152 | } |
| 153 | |
| 154 | // ---------------------------------------------------------------------------- |
| 155 | // wxDataObject |
| 156 | // ---------------------------------------------------------------------------- |
| 157 | |
| 158 | wxDataObject::~wxDataObject() |
| 159 | { |
| 160 | } |
| 161 | |
| 162 | // ---------------------------------------------------------------------------- |
| 163 | // wxBitmapDataObject |
| 164 | // ---------------------------------------------------------------------------- |
| 165 | |
| 166 | size_t wxBitmapDataObject::GetDataSize() const |
| 167 | { |
| 168 | return sizeof(Pixmap); |
| 169 | } |
| 170 | |
| 171 | bool wxBitmapDataObject::GetDataHere(void* buf) const |
| 172 | { |
| 173 | if( !GetBitmap().Ok() ) |
| 174 | return false; |
| 175 | |
| 176 | (*(Pixmap*)buf) = (Pixmap)GetBitmap().GetDrawable(); |
| 177 | |
| 178 | return true; |
| 179 | } |
| 180 | |
| 181 | bool wxBitmapDataObject::SetData(size_t len, const void* buf) |
| 182 | { |
| 183 | if( len != sizeof(Pixmap) ) |
| 184 | return false; |
| 185 | |
| 186 | WXPixmap pixmap = (WXPixmap)*(Pixmap*)buf; |
| 187 | |
| 188 | m_bitmap.Create( pixmap ); |
| 189 | |
| 190 | return true; |
| 191 | } |
| 192 | |
| 193 | #endif // wxUSE_CLIPBOARD |