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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /vcl/workben/win/dnd/atlwindow.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/workben/win/dnd/atlwindow.cxx')
-rw-r--r--vcl/workben/win/dnd/atlwindow.cxx238
1 files changed, 238 insertions, 0 deletions
diff --git a/vcl/workben/win/dnd/atlwindow.cxx b/vcl/workben/win/dnd/atlwindow.cxx
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+++ b/vcl/workben/win/dnd/atlwindow.cxx
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+/* -*- 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: */