dtrans/source/win32/dnd/globals.hxx

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  19 #ifndef INCLUDED_DTRANS_SOURCE_WIN32_DND_GLOBALS_HXX
  20 #define INCLUDED_DTRANS_SOURCE_WIN32_DND_GLOBALS_HXX
  21
  22 #include <sal/config.h>
  23
  24 #include <com/sun/star/uno/Reference.hxx>
  25 #include <osl/mutex.hxx>
  26
  27 namespace com { namespace sun { namespace star { namespace datatransfer {
  28     class XTransferable;
  29 } } } }
  30
  31 #include <wtypes.h>
  32 #include <sal/types.h>
  33
  34 #define DNDSOURCE_SERVICE_NAME  "com.sun.star.datatransfer.dnd.OleDragSource"
  35 #define DNDSOURCE_IMPL_NAME  "com.sun.star.comp.datatransfer.dnd.OleDragSource_V1"
  36
  37 #define DNDTARGET_SERVICE_NAME  "com.sun.star.datatransfer.dnd.OleDropTarget"
  38 #define DNDTARGET_IMPL_NAME  "com.sun.star.comp.datatransfer.dnd.OleDropTarget_V1"
  39
  40 // This maps key states as occur as parameter, e.g. in IDropTarget::DragEnter,
  41 // IDropSource::QueryContinueDrag, to actions as are declared in
  42 // css::datatransfer::dnd::DNDConstants ( ACTION_MOVE etc).
  43 // If the grfKeyState indicates the ALt or right mousebutton then the returned
  44 // values combines all possible actions. This is because those keys and buttons are
  45 // used when the user expect a menu to appear when he drops. The menu then
  46 // contains entries, such as move, copy, link, cancel.
  47 // An odd fact is that the argument grfKeyState in IDropTarget::Drop does not
  48 // contain mouse buttons (winnt 4 SP6). That indicates that the right mouse button
  49 // is not considered relevant in a drag operation. Contrarily the file explorer
  50 // gives that button a special meaning: the user has to select the effect from
  51 // a context menu on drop.
  52 sal_Int8 dndOleKeysToAction( DWORD grfKeyState, sal_Int8 sourceActions);
  53
  54 // The function maps a windows DROPEFFECTs to actions
  55 // ( css::datatransfer::dnd::DNDConstants).
  56 // The argument can be a combination of different DROPEFFECTS,
  57 // In that case the return value is also a combination of the
  58 // appropriate actions.
  59 sal_Int8 dndOleDropEffectsToActions( DWORD dwEffect);
  60
  61 // The function maps actions ( css::datatransfer::dnd::DNDConstants)
  62 // to window DROPEFFECTs.
  63 // The argument can be a combination of different actions
  64 // In that case the return value is also a combination of the
  65 // appropriate DROPEFFECTS.
  66 DWORD dndActionsToDropEffects( sal_Int8 actions);
  67
  68 // If the argument constitutes only one action then it is mapped to the
  69 // corresponding DROPEFFECT otherwise DROPEFFECT_MOVE is returned. This is
  70 // why move is the default effect (no modifiers pressed, or right mouse button
  71 // or Alt).
  72 DWORD dndActionsToSingleDropEffect( sal_Int8 actions);
  73
  74 struct MutexDummy
  75 {
  76     osl::Mutex m_mutex;
  77 };
  78
  79 extern css::uno::Reference<css::datatransfer::XTransferable> g_XTransferable;
  80
  81 #endif
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */