diff options
Diffstat (limited to 'indra/llwindow/lldragdropwin32.cpp')
| -rw-r--r-- | indra/llwindow/lldragdropwin32.cpp | 592 |
1 files changed, 296 insertions, 296 deletions
diff --git a/indra/llwindow/lldragdropwin32.cpp b/indra/llwindow/lldragdropwin32.cpp index 0d1a47408b..b164eb9579 100644 --- a/indra/llwindow/lldragdropwin32.cpp +++ b/indra/llwindow/lldragdropwin32.cpp @@ -5,21 +5,21 @@ * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ @@ -35,268 +35,268 @@ #include "llwindowcallbacks.h" #include "lldragdropwin32.h" -class LLDragDropWin32Target: - public IDropTarget +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; + 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 ) + mDropTarget( NULL ), + mDropWindowHandle( NULL ) { } @@ -311,48 +311,48 @@ 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; + 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(); + if ( mDropTarget ) + { + RevokeDragDrop( mDropWindowHandle ); + CoLockObjectExternal( mDropTarget, FALSE, TRUE ); + mDropTarget->Release(); + }; + + OleUninitialize(); } #endif // LL_OS_DRAGDROP_ENABLED |