diff options
| -rw-r--r-- | indra/llwindow/lldragdropwin32.cpp | 287 | ||||
| -rw-r--r-- | indra/llwindow/lldragdropwin32.h | 8 |
2 files changed, 135 insertions, 160 deletions
diff --git a/indra/llwindow/lldragdropwin32.cpp b/indra/llwindow/lldragdropwin32.cpp index d05dbf19a5..aac68e71af 100644 --- a/indra/llwindow/lldragdropwin32.cpp +++ b/indra/llwindow/lldragdropwin32.cpp @@ -34,216 +34,183 @@ #include "linden_common.h"
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-
#include "llwindowwin32.h"
#include "llkeyboardwin32.h"
-#include "lldragdropwin32.h"
-
#include "llwindowcallbacks.h"
-
-#include <windows.h>
-#include <ole2.h>
-#include <shlobj.h>
-#include <shellapi.h>
-#include <shlwapi.h>
-
-// FIXME: this should be done in CMake
-#pragma comment( lib, "shlwapi.lib" )
+#include "lldragdropwin32.h"
class LLDragDropWin32Target:
public IDropTarget
{
public:
+ ////////////////////////////////////////////////////////////////////////////////
+ //
LLDragDropWin32Target( HWND hWnd ) :
- mWindowHandle( hWnd ),
- mRefCount( 0 )
+ mRefCount( 1 ),
+ mAppWindowHandle( hWnd ),
+ mAllowDrop( false)
{
- strcpy(szFileDropped,"");
- bDropTargetValid = false;
- bTextDropped = false;
};
- /* IUnknown methods */
- STDMETHOD_( ULONG, AddRef )( void )
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ ULONG __stdcall AddRef( void )
{
- return ++mRefCount;
+ return InterlockedIncrement( &mRefCount );
};
- STDMETHOD_( ULONG, Release )( void )
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ ULONG __stdcall Release( void )
{
- if ( --mRefCount == 0 )
+ LONG count = InterlockedDecrement( &mRefCount );
+
+ if ( count == 0 )
{
delete this;
return 0;
}
- return mRefCount;
+ else
+ {
+ return count;
+ };
};
- STDMETHOD ( QueryInterface )( REFIID iid, void ** ppvObject )
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall QueryInterface( REFIID iid, void** ppvObject )
{
if ( iid == IID_IUnknown || iid == IID_IDropTarget )
{
- *ppvObject = this;
AddRef();
+ *ppvObject = this;
return S_OK;
+ }
+ else
+ {
+ *ppvObject = 0;
+ return E_NOINTERFACE;
};
-
- *ppvObject = NULL;
- return E_NOINTERFACE;
};
-
- /* IDropTarget methods */
- STDMETHOD (DragEnter)(LPDATAOBJECT pDataObj, DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect)
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall DragEnter( IDataObject* pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect )
{
- HRESULT hr = E_INVALIDARG;
- bDropTargetValid = false;
- bTextDropped = false;
- *pdwEffect=DROPEFFECT_NONE;
-
- FORMATETC fmte = {CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
- STGMEDIUM medium;
-
- if (pDataObj && SUCCEEDED (pDataObj->GetData (&fmte, &medium)))
- {
- // We can Handle Only one File At a time !!!
- if (1 == DragQueryFile ((HDROP)medium.hGlobal,0xFFFFFFFF,NULL,0 ))
- {
- // Get the File Name
- if (DragQueryFileA((HDROP)medium.hGlobal, 0, szFileDropped,MAX_PATH))
- {
- if (!PathIsDirectoryA(szFileDropped))
- {
- char szTempFile[MAX_PATH];
- _splitpath(szFileDropped,NULL,NULL,NULL,szTempFile);
-
-// if (!stricmp(szTempFile,".lnk"))
-// {
-// if (ResolveLink(szFileDropped,szTempFile))
-// {
-// strcpy(szFileDropped,szTempFile);
-// *pdwEffect=DROPEFFECT_COPY;
-// We Want to Create a Copy
-// bDropTargetValid = true;
-// hr = S_OK;
-// }
-// }
-// else
-// {
- *pdwEffect=DROPEFFECT_COPY;
- //We Want to Create a Copy
- bDropTargetValid = true;
- hr = S_OK;
-// }
- }
- }
- }
-
- if (medium.pUnkForRelease)
- medium.pUnkForRelease->Release ();
- else
- GlobalFree (medium.hGlobal);
- }
- else
+ FORMATETC fmtetc = { CF_TEXT, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
+
+ // support CF_TEXT using a HGLOBAL?
+ if ( S_OK == pDataObject->QueryGetData( &fmtetc ) )
{
- fmte.cfFormat = CF_TEXT;
- fmte.ptd = NULL;
- fmte.dwAspect = DVASPECT_CONTENT;
- fmte.lindex = -1;
- fmte.tymed = TYMED_HGLOBAL;
-
- // Does the drag source provide CF_TEXT ?
- if (NOERROR == pDataObj->QueryGetData(&fmte))
- {
- bDropTargetValid = true;
- bTextDropped = true;
- *pdwEffect=DROPEFFECT_COPY;
- hr = S_OK;
- }
- }
- return hr;
+ mAllowDrop = true;
+ *pdwEffect = DROPEFFECT_COPY;
+ SetFocus( mAppWindowHandle );
+ }
+ else
+ {
+ mAllowDrop = false;
+ *pdwEffect = DROPEFFECT_NONE;
+ };
+ return S_OK;
};
- STDMETHOD (DragOver)(DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect)
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall DragOver( DWORD grfKeyState, POINTL pt, DWORD* pdwEffect )
{
- HRESULT hr = S_OK;
- if (bDropTargetValid)
- *pdwEffect=DROPEFFECT_COPY;
+ if ( mAllowDrop )
+ {
+ *pdwEffect = DROPEFFECT_COPY;
+ }
+ else
+ {
+ *pdwEffect = DROPEFFECT_NONE;
+ };
- return hr;
+ return S_OK;
};
- STDMETHOD (DragLeave)(void)
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall DragLeave( void )
{
- HRESULT hr = S_OK;
- strcpy(szFileDropped,"");
- return hr;
+ return S_OK;
};
- STDMETHOD (Drop)(LPDATAOBJECT pDataObj, DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect)
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall Drop( IDataObject* pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect )
{
- HRESULT hr = S_OK;
- if (bDropTargetValid)
+ if ( mAllowDrop )
{
- *pdwEffect=DROPEFFECT_COPY;
-
- FORMATETC fmte;
- STGMEDIUM medium;
+ // construct a FORMATETC object
+ FORMATETC fmtetc = { CF_TEXT, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
- if (bTextDropped)
+ // do we have text?
+ if( S_OK == pDataObject->QueryGetData( &fmtetc ) )
{
- fmte.cfFormat = CF_TEXT;
- fmte.ptd = NULL;
- fmte.dwAspect = DVASPECT_CONTENT;
- fmte.lindex = -1;
- fmte.tymed = TYMED_HGLOBAL;
-
- hr = pDataObj->GetData(&fmte, &medium);
- HGLOBAL hText = medium.hGlobal;
- LPSTR lpszText = (LPSTR)GlobalLock(hText);
-
- LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLong(mWindowHandle, GWL_USERDATA);
- if (NULL != window_imp)
+ STGMEDIUM stgmed;
+ if( S_OK == pDataObject->GetData( &fmtetc, &stgmed ) )
{
- LLCoordGL gl_coord( 0, 0 );
-
- POINT pt2;
- pt2.x = pt.x;
- pt2.y = pt.y;
- ScreenToClient( mWindowHandle, &pt2 );
-
- LLCoordWindow cursor_coord_window( pt2.x, pt2.y );
- window_imp->convertCoords(cursor_coord_window, &gl_coord);
- llinfos << "### (Drop) URL is: " << lpszText << llendl;
- llinfos << "### raw coords are: " << pt.x << " x " << pt.y << llendl;
- llinfos << "### window coords are: " << pt2.x << " x " << pt2.y << llendl;
- llinfos << "### GL coords are: " << gl_coord.mX << " x " << gl_coord.mY << llendl;
- llinfos << llendl;
-
- MASK mask = gKeyboard->currentMask(TRUE);
- window_imp->completeDropRequest( gl_coord, mask, std::string( lpszText ) );
+ // note: data is in an HGLOBAL - not 'regular' memory
+ PVOID data = GlobalLock( stgmed.hGlobal );
+
+ // window impl stored in Window data (neat!)
+ LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLong( mAppWindowHandle, GWL_USERDATA );
+ if ( NULL != window_imp )
+ {
+ LLCoordGL gl_coord( 0, 0 );
+
+ POINT pt_client;
+ pt_client.x = pt.x;
+ pt_client.y = pt.y;
+ ScreenToClient( mAppWindowHandle, &pt_client );
+
+ LLCoordWindow cursor_coord_window( pt_client.x, pt_client.y );
+ window_imp->convertCoords(cursor_coord_window, &gl_coord);
+ llinfos << "### (Drop) URL is: " << data << llendl;
+ llinfos << "### raw coords are: " << pt.x << " x " << pt.y << llendl;
+ llinfos << "### client coords are: " << pt_client.x << " x " << pt_client.y << llendl;
+ llinfos << "### GL coords are: " << gl_coord.mX << " x " << gl_coord.mY << llendl;
+ llinfos << llendl;
+
+ // no keyboard modifier option yet but we could one day
+ MASK mask = gKeyboard->currentMask( TRUE );
+
+ // actually do the drop
+ window_imp->completeDropRequest( gl_coord, mask, std::string( (char*)data ) );
+ };
+
+ GlobalUnlock( stgmed.hGlobal );
+
+ ReleaseStgMedium( &stgmed );
};
+ };
- GlobalUnlock(hText);
- ReleaseStgMedium(&medium);
- }
+ *pdwEffect = DROPEFFECT_COPY;
}
- return hr;
+ else
+ {
+ *pdwEffect = DROPEFFECT_NONE;
+ };
+
+ return S_OK;
};
-
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
private:
- ULONG mRefCount;
- HWND mWindowHandle;
- char szFileDropped[1024];
- bool bDropTargetValid;
- bool bTextDropped;
+ LONG mRefCount;
+ HWND mAppWindowHandle;
+ bool mAllowDrop;
friend class LLWindowWin32;
};
+////////////////////////////////////////////////////////////////////////////////
+//
LLDragDropWin32::LLDragDropWin32() :
mDropTarget( NULL ),
mDropWindowHandle( NULL )
@@ -251,19 +218,23 @@ LLDragDropWin32::LLDragDropWin32() : {
}
+////////////////////////////////////////////////////////////////////////////////
+//
LLDragDropWin32::~LLDragDropWin32()
{
}
+////////////////////////////////////////////////////////////////////////////////
+//
bool LLDragDropWin32::init( HWND hWnd )
{
- if (NOERROR != OleInitialize(NULL))
+ if ( NOERROR != OleInitialize( NULL ) )
return FALSE;
mDropTarget = new LLDragDropWin32Target( hWnd );
if ( mDropTarget )
{
- HRESULT result = CoLockObjectExternal( mDropTarget, TRUE, TRUE );
+ HRESULT result = CoLockObjectExternal( mDropTarget, TRUE, FALSE );
if ( S_OK == result )
{
result = RegisterDragDrop( hWnd, mDropTarget );
@@ -287,12 +258,14 @@ bool LLDragDropWin32::init( HWND hWnd ) return true;
}
+////////////////////////////////////////////////////////////////////////////////
+//
void LLDragDropWin32::reset()
{
if ( mDropTarget )
{
- CoLockObjectExternal( mDropTarget, FALSE, TRUE );
RevokeDragDrop( mDropWindowHandle );
+ CoLockObjectExternal( mDropTarget, FALSE, TRUE );
mDropTarget->Release();
};
diff --git a/indra/llwindow/lldragdropwin32.h b/indra/llwindow/lldragdropwin32.h index 6137e5eb65..624f4ad24b 100644 --- a/indra/llwindow/lldragdropwin32.h +++ b/indra/llwindow/lldragdropwin32.h @@ -33,10 +33,10 @@ #ifndef LL_LLDRAGDROP32_H
#define LL_LLDRAGDROP32_H
+#if LL_WINDOWS
+
#include <windows.h>
#include <ole2.h>
-#include <shlobj.h>
-#include <shlwapi.h>
class LLDragDropWin32
{
@@ -52,4 +52,6 @@ class LLDragDropWin32 HWND mDropWindowHandle;
};
-#endif
+#endif // LL_WINDOWS
+
+#endif // LL_LLDRAGDROP32_H
|