dtrans/source/win32/dnd/globals.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_dtrans.hxx"
  33 #include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
  34
  35 #include "globals.hxx"
  36
  37 //--> TRA
  38 #include <com/sun/star/datatransfer/XTransferable.hpp>
  39
  40 // used as shortcut when drag-source and drop-target are the same
  41 ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > g_XTransferable;
  42
  43 //<-- TRA
  44
  45 using namespace com::sun::star::datatransfer::dnd::DNDConstants;
  46
  47 sal_Int8 dndOleKeysToAction( DWORD grfKeyState, sal_Int8 nSourceActions)
  48 {
  49     sal_Int8 ret= 0;
  50
  51     // no MK_ALT, MK_CONTROL, MK_SHIFT
  52     if( !(grfKeyState & MK_CONTROL) &&
  53         !(grfKeyState & MK_ALT)    &&
  54         !(grfKeyState & MK_RBUTTON) &&
  55         !(grfKeyState & MK_SHIFT))
  56     {
  57         if( nSourceActions & ACTION_MOVE )
  58         {
  59             ret= ACTION_DEFAULT | ACTION_MOVE;
  60         }
  61
  62         else if( nSourceActions & ACTION_COPY )
  63         {
  64             ret= ACTION_COPY;
  65         }
  66
  67         else if( nSourceActions & ACTION_LINK )
  68         {
  69             ret= ACTION_LINK;
  70         }
  71
  72         else
  73             ret = 0;
  74     }
  75     else if( grfKeyState & MK_SHIFT &&
  76             !(grfKeyState & MK_CONTROL))
  77     {
  78         ret= ACTION_MOVE;
  79     }
  80     else if ( grfKeyState & MK_CONTROL &&
  81               !(grfKeyState & MK_SHIFT) )
  82     {
  83         ret= ACTION_COPY;
  84     }
  85     else if ( grfKeyState & MK_CONTROL &&
  86               grfKeyState & MK_SHIFT)
  87     {
  88         ret= ACTION_LINK;
  89     }
  90     else if ( grfKeyState & MK_RBUTTON |
  91               grfKeyState & MK_ALT)
  92     {
  93         ret= ACTION_COPY_OR_MOVE | ACTION_LINK;
  94     }
  95     return ret;
  96 }
  97
  98
  99 sal_Int8 dndOleDropEffectsToActions( DWORD dwEffect)
 100 {
 101     sal_Int8 ret= ACTION_NONE;
 102     if( dwEffect & DROPEFFECT_COPY)
 103         ret |= ACTION_COPY;
 104     if( dwEffect & DROPEFFECT_MOVE)
 105         ret |= ACTION_MOVE;
 106     if( dwEffect & DROPEFFECT_LINK)
 107         ret |= ACTION_LINK;
 108
 109     return ret;
 110 }
 111
 112 DWORD dndActionsToDropEffects( sal_Int8 actions)
 113 {
 114     DWORD ret= DROPEFFECT_NONE;
 115     if( actions & ACTION_MOVE)
 116         ret |= DROPEFFECT_MOVE;
 117     if( actions & ACTION_COPY)
 118         ret |= DROPEFFECT_COPY;
 119     if( actions & ACTION_LINK)
 120         ret |= DROPEFFECT_LINK;
 121     if( actions & ACTION_DEFAULT)
 122         ret |= DROPEFFECT_COPY;
 123     return ret;
 124 }
 125
 126 DWORD dndActionsToSingleDropEffect( sal_Int8 actions)
 127 {
 128     DWORD effects= dndActionsToDropEffects( actions);
 129
 130     sal_Int8 countEffect= 0;
 131
 132     if( effects & DROPEFFECT_MOVE)
 133         countEffect++;
 134     if( effects & DROPEFFECT_COPY)
 135         countEffect++;
 136     if( effects & DROPEFFECT_LINK)
 137         countEffect++;
 138
 139     // DROPEFFECT_MOVE is the default effect
 140     DWORD retVal= countEffect > 1 ? DROPEFFECT_MOVE : effects;
 141     return retVal;
 142 }