Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 238 insertions, 0 deletions

diff --git a/vcl/workben/win/dnd/atlwindow.cxx b/vcl/workben/win/dnd/atlwindow.cxx
new file mode 100644
index 000000000..61781e18f
--- /dev/null
+++ b/vcl/workben/win/dnd/atlwindow.cxx
@@ -0,0 +1,238 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/uno/Reference.h>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
+#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
+
+#include <cppuhelper/servicefactory.hxx>
+#include <rtl/string.h>
+
+#include "atlwindow.hxx"
+#include "targetlistener.hxx"
+#include "sourcelistener.hxx"
+#include <map>
+
+#include <winbase.h>
+using namespace com::sun::star::lang;
+using namespace com::sun::star::datatransfer::dnd;
+using namespace com::sun::star::datatransfer::dnd::DNDConstants;
+using namespace cppu;
+
+LRESULT APIENTRY EditSubclassProc( HWND hwnd, UINT uMsg,WPARAM wParam, LPARAM lParam) ;
+
+extern Reference< XMultiServiceFactory > MultiServiceFactory;
+DWORD WINAPI MTAFunc(LPVOID pParams);
+
+char* szSTAWin= "XDragSource::executeDrag is called from the same "
+                "OLE STA thread that created the window.";
+char* szMTAWin= "XDragSource::executeDrag is called from an MTA thread "
+                "that did not create the window.";
+
+WNDPROC wpOrigEditProc;
+
+map<HWND, HWND> mapEditToMainWnd;
+
+LRESULT AWindow::OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+    Reference<XComponent> xcompSource( m_xDragSource, UNO_QUERY);
+
+    PostQuitMessage(0);
+
+    m_xDropTarget=0;
+    m_xDragSource=0;
+
+     // Remove the subclass from the edit control.
+    ::SetWindowLong(m_hwndEdit, GWL_WNDPROC,
+                (LONG) wpOrigEditProc);
+
+    return 0;
+}
+
+LRESULT AWindow::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+    // Prepare the EDIT control
+    m_hwndEdit = CreateWindowA(
+        "EDIT",     // predefined class
+        NULL,       // no window title
+        WS_CHILD | WS_VISIBLE | WS_VSCROLL |
+            ES_LEFT | ES_MULTILINE | ES_AUTOVSCROLL,
+        0, 0, 0, 0, // set size in WM_SIZE message
+        m_hWnd,       // parent window
+        (HMENU) NULL, // edit control ID
+        (HINSTANCE) GetWindowLong( GWL_HINSTANCE),
+        NULL);
+
+    // the map is used in the window procedure for the edit window to associate the
+    // it to the right main window ( AWindow)
+    mapEditToMainWnd[m_hwndEdit]= m_hWnd;
+    // Superclass the edit window, because we want to process mouse messages
+    wpOrigEditProc = (WNDPROC) ::SetWindowLongA(m_hwndEdit,
+                GWL_WNDPROC, (LONG) EditSubclassProc);
+
+    // Add text to the window.
+    if( m_isMTA)
+        ::SendMessageA(m_hwndEdit, WM_SETTEXT, 0, (LPARAM) szMTAWin);
+    else
+        ::SendMessageA(m_hwndEdit, WM_SETTEXT, 0, (LPARAM) szSTAWin);
+
+    // create the DragSource
+    Reference< XInterface> xint= MultiServiceFactory->createInstance("com.sun.star.datatransfer.dnd.OleDragSource");
+    m_xDragSource.set( xint, UNO_QUERY );
+    Reference<XInitialization> xInit( xint, UNO_QUERY);
+
+    Any ar[2];
+    ar[1]<<= (sal_uInt32)m_hWnd;
+    xInit->initialize( Sequence<Any>( ar, 2) );
+
+    //create the DropTarget
+    Reference< XInterface> xintTarget= MultiServiceFactory->createInstance("com.sun.star.datatransfer.dnd.OleDropTarget");
+    m_xDropTarget.set( xintTarget, UNO_QUERY );
+    Reference<XInitialization> xInitTarget( xintTarget, UNO_QUERY);
+
+    Any any;
+    any <<= (sal_uInt32)m_hWnd;
+    xInitTarget->initialize( Sequence<Any>( &any, 1) );
+
+    m_xDropTarget->addDropTargetListener( static_cast<XDropTargetListener*>
+        ( new DropTargetListener( m_hwndEdit)) );
+//  // make this window a drop target
+    m_xDropTarget->setActive(sal_True);
+
+    return 0;
+}
+
+// When the mouse is dragged for a second than a drag is initiated
+LRESULT AWindow::OnMouseAction(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+    if( uMsg== WM_LBUTTONDOWN)
+    {
+        SetTimer( 1, 1000);
+    }
+
+    else if( uMsg == WM_LBUTTONUP)
+    {
+        KillTimer(  1);
+    }
+
+    return 0;
+}
+
+LRESULT AWindow::OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+    USES_CONVERSION;
+    KillTimer( 1);
+    if(m_xDragSource.is())
+    {
+
+        //Get the Text out of the Edit window
+        int length= (int)::SendMessageA( m_hwndEdit, WM_GETTEXTLENGTH, 0, 0);
+        char * pBuffer= new char[length + 1];
+        ZeroMemory( pBuffer, length + 1);
+        ::SendMessageA( m_hwndEdit, WM_GETTEXT, length, (LPARAM) pBuffer);
+
+        IDataObject* pData= NULL;
+        HRESULT hr= CreateDataCache( NULL, CLSID_NULL, __uuidof(IDataObject),(void**) &pData);
+        if( pData)
+        {
+            FORMATETC format={ CF_TEXT, NULL, DVASPECT_CONTENT, -1, };
+
+            HGLOBAL mem= GlobalAlloc(GHND, length + 1 );
+            void* pMem= GlobalLock( mem);
+            memcpy( pMem, pBuffer, length+1);
+            GlobalUnlock( mem);
+
+            STGMEDIUM medium;
+            medium.tymed= TYMED_HGLOBAL;
+            medium.hGlobal= mem;
+            medium.pUnkForRelease= NULL;
+
+            pData->SetData( &format,  &medium, TRUE); // releases HGLOBAL eventually
+
+            Reference<XTransferable> xTrans= CDOTransferable::create(
+                                                MultiServiceFactory, pData);
+
+            // call XDragSource::executeDrag from an MTA
+            if( m_isMTA )
+            {
+                DWORD mtaThreadId;
+                ThreadData data;
+                data.source= m_xDragSource;
+                data.transferable= xTrans;
+
+                data.evtThreadReady= CreateEvent( NULL, FALSE, FALSE, NULL);
+
+                CloseHandle(CreateThread(NULL, 0, MTAFunc, &data, 0, &mtaThreadId));
+                // We must wait until the thread copied the ThreadData structure
+                WaitForSingleObject( data.evtThreadReady, INFINITE);
+                CloseHandle( data.evtThreadReady);
+
+            }
+            else
+            {
+                m_xDragSource->startDrag( DragGestureEvent(),
+                    ACTION_LINK|ACTION_MOVE|ACTION_COPY,
+                    0,
+                    0,
+                    xTrans,
+                    Reference<XDragSourceListener>( static_cast<XDragSourceListener*>(new DragSourceListener() ) ) );
+            }
+        }
+
+        delete[] pBuffer;
+    }
+
+    return 0;
+}
+
+LRESULT AWindow::OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+    // Make the edit control the size of the window's
+    // client area.
+    ::MoveWindow(m_hwndEdit,
+        0, 0,           // starting x- and y-coordinates
+        LOWORD(lParam), // width of client area
+        HIWORD(lParam), // height of client area
+        TRUE);          // repaint window
+
+    return 0;
+}
+LRESULT AWindow::OnFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+    ::SetFocus(m_hwndEdit);
+    return 0;
+}
+
+// Subclass procedure for EDIT window
+LRESULT APIENTRY EditSubclassProc( HWND hwnd, UINT uMsg,WPARAM wParam, LPARAM lParam)
+{
+
+    if( uMsg >= WM_MOUSEFIRST && uMsg <= WM_MOUSELAST)
+    {
+        HWND hAWindow= mapEditToMainWnd[hwnd];
+        ::SendMessage( hAWindow, uMsg, wParam, lParam);
+
+    }
+    return CallWindowProc( wpOrigEditProc, hwnd, uMsg,
+        wParam, lParam);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */