diff options
Diffstat (limited to 'indra/llwindow/lldragdropwin32.cpp')
-rw-r--r-- | indra/llwindow/lldragdropwin32.cpp | 722 |
1 files changed, 361 insertions, 361 deletions
diff --git a/indra/llwindow/lldragdropwin32.cpp b/indra/llwindow/lldragdropwin32.cpp index 51c3938ebc..e08a2c2fc6 100644 --- a/indra/llwindow/lldragdropwin32.cpp +++ b/indra/llwindow/lldragdropwin32.cpp @@ -1,361 +1,361 @@ -/** - * @file lldragdrop32.cpp - * @brief Handler for Windows specific drag and drop (OS to client) code - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#if LL_WINDOWS - -#if LL_OS_DRAGDROP_ENABLED - -#include "linden_common.h" - -#include "llwindowwin32.h" -#include "llkeyboardwin32.h" -#include "llwindowcallbacks.h" -#include "lldragdropwin32.h" - -class LLDragDropWin32Target: - public IDropTarget -{ - public: - //////////////////////////////////////////////////////////////////////////////// - // - LLDragDropWin32Target( HWND hWnd ) : - mRefCount( 1 ), - mAppWindowHandle( hWnd ), - mAllowDrop(false), - mIsSlurl(false) - { - }; - - virtual ~LLDragDropWin32Target() - { - }; - - //////////////////////////////////////////////////////////////////////////////// - // - ULONG __stdcall AddRef( void ) - { - return InterlockedIncrement( &mRefCount ); - }; - - //////////////////////////////////////////////////////////////////////////////// - // - ULONG __stdcall Release( void ) - { - LONG count = InterlockedDecrement( &mRefCount ); - - if ( count == 0 ) - { - delete this; - return 0; - } - else - { - return count; - }; - }; - - //////////////////////////////////////////////////////////////////////////////// - // - HRESULT __stdcall QueryInterface( REFIID iid, void** ppvObject ) - { - if ( iid == IID_IUnknown || iid == IID_IDropTarget ) - { - AddRef(); - *ppvObject = this; - return S_OK; - } - else - { - *ppvObject = 0; - return E_NOINTERFACE; - }; - }; - - //////////////////////////////////////////////////////////////////////////////// - // - HRESULT __stdcall DragEnter( IDataObject* pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect ) - { - FORMATETC fmtetc = { CF_TEXT, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL }; - - // support CF_TEXT using a HGLOBAL? - if ( S_OK == pDataObject->QueryGetData( &fmtetc ) ) - { - mAllowDrop = true; - mDropUrl = std::string(); - mIsSlurl = false; - - STGMEDIUM stgmed; - if( S_OK == pDataObject->GetData( &fmtetc, &stgmed ) ) - { - PVOID data = GlobalLock( stgmed.hGlobal ); - mDropUrl = std::string( (char*)data ); - // XXX MAJOR MAJOR HACK! - LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLongPtr( mAppWindowHandle, GWLP_USERDATA ); - if (NULL != window_imp) - { - LLCoordGL gl_coord( 0, 0 ); - - POINT pt2; - pt2.x = pt.x; - pt2.y = pt.y; - ScreenToClient( mAppWindowHandle, &pt2 ); - - LLCoordWindow cursor_coord_window( pt2.x, pt2.y ); - MASK mask = gKeyboard->currentMask(true); - - LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( cursor_coord_window.convert(), mask, - LLWindowCallbacks::DNDA_START_TRACKING, mDropUrl ); - - switch (result) - { - case LLWindowCallbacks::DND_COPY: - *pdwEffect = DROPEFFECT_COPY; - break; - case LLWindowCallbacks::DND_LINK: - *pdwEffect = DROPEFFECT_LINK; - break; - case LLWindowCallbacks::DND_MOVE: - *pdwEffect = DROPEFFECT_MOVE; - break; - case LLWindowCallbacks::DND_NONE: - default: - *pdwEffect = DROPEFFECT_NONE; - break; - } - }; - - GlobalUnlock( stgmed.hGlobal ); - ReleaseStgMedium( &stgmed ); - }; - SetFocus( mAppWindowHandle ); - } - else - { - mAllowDrop = false; - *pdwEffect = DROPEFFECT_NONE; - }; - - return S_OK; - }; - - //////////////////////////////////////////////////////////////////////////////// - // - HRESULT __stdcall DragOver( DWORD grfKeyState, POINTL pt, DWORD* pdwEffect ) - { - if ( mAllowDrop ) - { - // XXX MAJOR MAJOR HACK! - LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLongPtr( mAppWindowHandle, GWLP_USERDATA ); - if (NULL != window_imp) - { - LLCoordGL gl_coord( 0, 0 ); - - POINT pt2; - pt2.x = pt.x; - pt2.y = pt.y; - ScreenToClient( mAppWindowHandle, &pt2 ); - - LLCoordWindow cursor_coord_window( pt2.x, pt2.y ); - MASK mask = gKeyboard->currentMask(true); - - LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( cursor_coord_window.convert(), mask, - LLWindowCallbacks::DNDA_TRACK, mDropUrl ); - - switch (result) - { - case LLWindowCallbacks::DND_COPY: - *pdwEffect = DROPEFFECT_COPY; - break; - case LLWindowCallbacks::DND_LINK: - *pdwEffect = DROPEFFECT_LINK; - break; - case LLWindowCallbacks::DND_MOVE: - *pdwEffect = DROPEFFECT_MOVE; - break; - case LLWindowCallbacks::DND_NONE: - default: - *pdwEffect = DROPEFFECT_NONE; - break; - } - }; - } - else - { - *pdwEffect = DROPEFFECT_NONE; - }; - - return S_OK; - }; - - //////////////////////////////////////////////////////////////////////////////// - // - HRESULT __stdcall DragLeave( void ) - { - // XXX MAJOR MAJOR HACK! - LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLongPtr( mAppWindowHandle, GWLP_USERDATA ); - if (NULL != window_imp) - { - LLCoordGL gl_coord( 0, 0 ); - MASK mask = gKeyboard->currentMask(true); - window_imp->completeDragNDropRequest( gl_coord, mask, LLWindowCallbacks::DNDA_STOP_TRACKING, mDropUrl ); - }; - return S_OK; - }; - - //////////////////////////////////////////////////////////////////////////////// - // - HRESULT __stdcall Drop( IDataObject* pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect ) - { - if ( mAllowDrop ) - { - // window impl stored in Window data (neat!) - LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLongPtr( mAppWindowHandle, GWLP_USERDATA ); - if ( NULL != window_imp ) - { - 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 ); - LLCoordGL gl_coord(cursor_coord_window.convert()); - LL_INFOS() << "### (Drop) URL is: " << mDropUrl << LL_ENDL; - LL_INFOS() << "### raw coords are: " << pt.x << " x " << pt.y << LL_ENDL; - LL_INFOS() << "### client coords are: " << pt_client.x << " x " << pt_client.y << LL_ENDL; - LL_INFOS() << "### GL coords are: " << gl_coord.mX << " x " << gl_coord.mY << LL_ENDL; - LL_INFOS() << LL_ENDL; - - // no keyboard modifier option yet but we could one day - MASK mask = gKeyboard->currentMask( true ); - - // actually do the drop - LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( gl_coord, mask, - LLWindowCallbacks::DNDA_DROPPED, mDropUrl ); - - switch (result) - { - case LLWindowCallbacks::DND_COPY: - *pdwEffect = DROPEFFECT_COPY; - break; - case LLWindowCallbacks::DND_LINK: - *pdwEffect = DROPEFFECT_LINK; - break; - case LLWindowCallbacks::DND_MOVE: - *pdwEffect = DROPEFFECT_MOVE; - break; - case LLWindowCallbacks::DND_NONE: - default: - *pdwEffect = DROPEFFECT_NONE; - break; - } - }; - } - else - { - *pdwEffect = DROPEFFECT_NONE; - }; - - return S_OK; - }; - - //////////////////////////////////////////////////////////////////////////////// - // - private: - LONG mRefCount; - HWND mAppWindowHandle; - bool mAllowDrop; - std::string mDropUrl; - bool mIsSlurl; - friend class LLWindowWin32; -}; - -//////////////////////////////////////////////////////////////////////////////// -// -LLDragDropWin32::LLDragDropWin32() : - mDropTarget( NULL ), - mDropWindowHandle( NULL ) - -{ -} - -//////////////////////////////////////////////////////////////////////////////// -// -LLDragDropWin32::~LLDragDropWin32() -{ -} - -//////////////////////////////////////////////////////////////////////////////// -// -bool LLDragDropWin32::init( HWND hWnd ) -{ - if ( NOERROR != OleInitialize( NULL ) ) - return false; - - mDropTarget = new LLDragDropWin32Target( hWnd ); - if ( mDropTarget ) - { - HRESULT result = CoLockObjectExternal( mDropTarget, TRUE, FALSE ); - if ( S_OK == result ) - { - result = RegisterDragDrop( hWnd, mDropTarget ); - if ( S_OK != result ) - { - // RegisterDragDrop failed - return false; - }; - - // all ok - mDropWindowHandle = hWnd; - } - else - { - // Unable to lock OLE object - return false; - }; - }; - - // success - return true; -} - -//////////////////////////////////////////////////////////////////////////////// -// -void LLDragDropWin32::reset() -{ - if ( mDropTarget ) - { - RevokeDragDrop( mDropWindowHandle ); - CoLockObjectExternal( mDropTarget, FALSE, TRUE ); - mDropTarget->Release(); - }; - - OleUninitialize(); -} - -#endif // LL_OS_DRAGDROP_ENABLED - -#endif // LL_WINDOWS - +/**
+ * @file lldragdrop32.cpp
+ * @brief Handler for Windows specific drag and drop (OS to client) code
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#if LL_WINDOWS
+
+#if LL_OS_DRAGDROP_ENABLED
+
+#include "linden_common.h"
+
+#include "llwindowwin32.h"
+#include "llkeyboardwin32.h"
+#include "llwindowcallbacks.h"
+#include "lldragdropwin32.h"
+
+class LLDragDropWin32Target:
+ public IDropTarget
+{
+ public:
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ LLDragDropWin32Target( HWND hWnd ) :
+ mRefCount( 1 ),
+ mAppWindowHandle( hWnd ),
+ mAllowDrop(false),
+ mIsSlurl(false)
+ {
+ };
+
+ virtual ~LLDragDropWin32Target()
+ {
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ ULONG __stdcall AddRef( void )
+ {
+ return InterlockedIncrement( &mRefCount );
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ ULONG __stdcall Release( void )
+ {
+ LONG count = InterlockedDecrement( &mRefCount );
+
+ if ( count == 0 )
+ {
+ delete this;
+ return 0;
+ }
+ else
+ {
+ return count;
+ };
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall QueryInterface( REFIID iid, void** ppvObject )
+ {
+ if ( iid == IID_IUnknown || iid == IID_IDropTarget )
+ {
+ AddRef();
+ *ppvObject = this;
+ return S_OK;
+ }
+ else
+ {
+ *ppvObject = 0;
+ return E_NOINTERFACE;
+ };
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall DragEnter( IDataObject* pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect )
+ {
+ FORMATETC fmtetc = { CF_TEXT, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
+
+ // support CF_TEXT using a HGLOBAL?
+ if ( S_OK == pDataObject->QueryGetData( &fmtetc ) )
+ {
+ mAllowDrop = true;
+ mDropUrl = std::string();
+ mIsSlurl = false;
+
+ STGMEDIUM stgmed;
+ if( S_OK == pDataObject->GetData( &fmtetc, &stgmed ) )
+ {
+ PVOID data = GlobalLock( stgmed.hGlobal );
+ mDropUrl = std::string( (char*)data );
+ // XXX MAJOR MAJOR HACK!
+ LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLongPtr( mAppWindowHandle, GWLP_USERDATA );
+ if (NULL != window_imp)
+ {
+ LLCoordGL gl_coord( 0, 0 );
+
+ POINT pt2;
+ pt2.x = pt.x;
+ pt2.y = pt.y;
+ ScreenToClient( mAppWindowHandle, &pt2 );
+
+ LLCoordWindow cursor_coord_window( pt2.x, pt2.y );
+ MASK mask = gKeyboard->currentMask(true);
+
+ LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( cursor_coord_window.convert(), mask,
+ LLWindowCallbacks::DNDA_START_TRACKING, mDropUrl );
+
+ switch (result)
+ {
+ case LLWindowCallbacks::DND_COPY:
+ *pdwEffect = DROPEFFECT_COPY;
+ break;
+ case LLWindowCallbacks::DND_LINK:
+ *pdwEffect = DROPEFFECT_LINK;
+ break;
+ case LLWindowCallbacks::DND_MOVE:
+ *pdwEffect = DROPEFFECT_MOVE;
+ break;
+ case LLWindowCallbacks::DND_NONE:
+ default:
+ *pdwEffect = DROPEFFECT_NONE;
+ break;
+ }
+ };
+
+ GlobalUnlock( stgmed.hGlobal );
+ ReleaseStgMedium( &stgmed );
+ };
+ SetFocus( mAppWindowHandle );
+ }
+ else
+ {
+ mAllowDrop = false;
+ *pdwEffect = DROPEFFECT_NONE;
+ };
+
+ return S_OK;
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall DragOver( DWORD grfKeyState, POINTL pt, DWORD* pdwEffect )
+ {
+ if ( mAllowDrop )
+ {
+ // XXX MAJOR MAJOR HACK!
+ LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLongPtr( mAppWindowHandle, GWLP_USERDATA );
+ if (NULL != window_imp)
+ {
+ LLCoordGL gl_coord( 0, 0 );
+
+ POINT pt2;
+ pt2.x = pt.x;
+ pt2.y = pt.y;
+ ScreenToClient( mAppWindowHandle, &pt2 );
+
+ LLCoordWindow cursor_coord_window( pt2.x, pt2.y );
+ MASK mask = gKeyboard->currentMask(true);
+
+ LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( cursor_coord_window.convert(), mask,
+ LLWindowCallbacks::DNDA_TRACK, mDropUrl );
+
+ switch (result)
+ {
+ case LLWindowCallbacks::DND_COPY:
+ *pdwEffect = DROPEFFECT_COPY;
+ break;
+ case LLWindowCallbacks::DND_LINK:
+ *pdwEffect = DROPEFFECT_LINK;
+ break;
+ case LLWindowCallbacks::DND_MOVE:
+ *pdwEffect = DROPEFFECT_MOVE;
+ break;
+ case LLWindowCallbacks::DND_NONE:
+ default:
+ *pdwEffect = DROPEFFECT_NONE;
+ break;
+ }
+ };
+ }
+ else
+ {
+ *pdwEffect = DROPEFFECT_NONE;
+ };
+
+ return S_OK;
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall DragLeave( void )
+ {
+ // XXX MAJOR MAJOR HACK!
+ LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLongPtr( mAppWindowHandle, GWLP_USERDATA );
+ if (NULL != window_imp)
+ {
+ LLCoordGL gl_coord( 0, 0 );
+ MASK mask = gKeyboard->currentMask(true);
+ window_imp->completeDragNDropRequest( gl_coord, mask, LLWindowCallbacks::DNDA_STOP_TRACKING, mDropUrl );
+ };
+ return S_OK;
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ HRESULT __stdcall Drop( IDataObject* pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect )
+ {
+ if ( mAllowDrop )
+ {
+ // window impl stored in Window data (neat!)
+ LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLongPtr( mAppWindowHandle, GWLP_USERDATA );
+ if ( NULL != window_imp )
+ {
+ 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 );
+ LLCoordGL gl_coord(cursor_coord_window.convert());
+ LL_INFOS() << "### (Drop) URL is: " << mDropUrl << LL_ENDL;
+ LL_INFOS() << "### raw coords are: " << pt.x << " x " << pt.y << LL_ENDL;
+ LL_INFOS() << "### client coords are: " << pt_client.x << " x " << pt_client.y << LL_ENDL;
+ LL_INFOS() << "### GL coords are: " << gl_coord.mX << " x " << gl_coord.mY << LL_ENDL;
+ LL_INFOS() << LL_ENDL;
+
+ // no keyboard modifier option yet but we could one day
+ MASK mask = gKeyboard->currentMask( true );
+
+ // actually do the drop
+ LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( gl_coord, mask,
+ LLWindowCallbacks::DNDA_DROPPED, mDropUrl );
+
+ switch (result)
+ {
+ case LLWindowCallbacks::DND_COPY:
+ *pdwEffect = DROPEFFECT_COPY;
+ break;
+ case LLWindowCallbacks::DND_LINK:
+ *pdwEffect = DROPEFFECT_LINK;
+ break;
+ case LLWindowCallbacks::DND_MOVE:
+ *pdwEffect = DROPEFFECT_MOVE;
+ break;
+ case LLWindowCallbacks::DND_NONE:
+ default:
+ *pdwEffect = DROPEFFECT_NONE;
+ break;
+ }
+ };
+ }
+ else
+ {
+ *pdwEffect = DROPEFFECT_NONE;
+ };
+
+ return S_OK;
+ };
+
+ ////////////////////////////////////////////////////////////////////////////////
+ //
+ private:
+ LONG mRefCount;
+ HWND mAppWindowHandle;
+ bool mAllowDrop;
+ std::string mDropUrl;
+ bool mIsSlurl;
+ friend class LLWindowWin32;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+//
+LLDragDropWin32::LLDragDropWin32() :
+ mDropTarget( NULL ),
+ mDropWindowHandle( NULL )
+
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+LLDragDropWin32::~LLDragDropWin32()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+bool LLDragDropWin32::init( HWND hWnd )
+{
+ if ( NOERROR != OleInitialize( NULL ) )
+ return false;
+
+ mDropTarget = new LLDragDropWin32Target( hWnd );
+ if ( mDropTarget )
+ {
+ HRESULT result = CoLockObjectExternal( mDropTarget, TRUE, FALSE );
+ if ( S_OK == result )
+ {
+ result = RegisterDragDrop( hWnd, mDropTarget );
+ if ( S_OK != result )
+ {
+ // RegisterDragDrop failed
+ return false;
+ };
+
+ // all ok
+ mDropWindowHandle = hWnd;
+ }
+ else
+ {
+ // Unable to lock OLE object
+ return false;
+ };
+ };
+
+ // success
+ return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+void LLDragDropWin32::reset()
+{
+ if ( mDropTarget )
+ {
+ RevokeDragDrop( mDropWindowHandle );
+ CoLockObjectExternal( mDropTarget, FALSE, TRUE );
+ mDropTarget->Release();
+ };
+
+ OleUninitialize();
+}
+
+#endif // LL_OS_DRAGDROP_ENABLED
+
+#endif // LL_WINDOWS
+
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