1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
|
/*************************************************************************
*
* $RCSfile: X11_selection.hxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: pl $ $Date: 2001-02-06 10:23:58 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRUNTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc..
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _DTRANS_X11_SELECTION_HXX_
#define _DTRANS_X11_SELECTION_HXX_
#ifndef _CPPUHELPER_COMPBASE3_HXX_
#include <cppuhelper/compbase3.hxx>
#endif
#ifndef _CPPUHELPER_COMPBASE6_HXX_
#include <cppuhelper/compbase6.hxx>
#endif
#ifndef _COM_SUN_STAR_DATATRANSFER_XTRANSFERABLE_HPP_
#include <com/sun/star/datatransfer/XTransferable.hpp>
#endif
#ifndef _COM_SUN_STAR_DATATRANSFER_DND_XDROPTARGET_HPP_
#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
#endif
#ifndef _COM_SUN_STAR_DATATRANSFER_DND_XDROPTARGETDROPCONTEXT_HPP_
#include <com/sun/star/datatransfer/dnd/XDropTargetDropContext.hpp>
#endif
#ifndef _COM_SUN_STAR_DATATRANSFER_DND_XDRAGSOURCE_HPP_
#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
#endif
#ifndef _COM_SUN_STAR_DATATRANSFER_DND_XDRAGSOURCECONTEXT_HPP_
#include <com/sun/star/datatransfer/dnd/XDragSourceContext.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_XDISPLAYCONNECTION_HPP_
#include <com/sun/star/awt/XDisplayConnection.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XINITIALIZATION_HPP_
#include <com/sun/star/lang/XInitialization.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
#include <com/sun/star/lang/XServiceInfo.hpp>
#endif
#ifndef _OSL_THREAD_H_
#include <osl/thread.h>
#endif
#ifndef _OSL_CONDITION_HXX_
#include <osl/conditn.hxx>
#endif
#ifndef __SGI_STL_HASH_MAP
#include <hash_map>
#endif
#ifndef __SGI_STL_LIST
#include <list>
#endif
#include <X11/Xlib.h>
#define XDND_IMPLEMENTATION_NAME "com.sun.star.datatransfer.dnd.XdndSupport"
#define XDND_DROPTARGET_IMPLEMENTATION_NAME "com.sun.star.datatransfer.dnd.XdndDropTarget"
using namespace ::com::sun::star::uno;
namespace x11 {
// ------------------------------------------------------------------------
rtl_TextEncoding getTextPlainEncoding( const ::rtl::OUString& rMimeType );
class SelectionAdaptor
{
public:
virtual Reference< ::com::sun::star::datatransfer::XTransferable > getTransferable() = 0;
virtual void clearTransferable() = 0;
};
class DropTarget :
public ::cppu::WeakComponentImplHelper3<
::com::sun::star::datatransfer::dnd::XDropTarget,
::com::sun::star::lang::XInitialization,
::com::sun::star::lang::XServiceInfo
>
{
public:
::osl::Mutex m_aMutex;
bool m_bActive;
sal_Int8 m_nDefaultActions;
Window m_aTargetWindow;
::std::list< Reference< ::com::sun::star::datatransfer::dnd::XDropTargetListener > >
m_aListeners;
DropTarget();
virtual ~DropTarget();
// convenience functions that loop over listeners
void dragEnter( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde );
void dragExit( const ::com::sun::star::datatransfer::dnd::DropTargetEvent& dte );
void dragOver( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde );
void dropActionChanged( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde );
void drop( const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent& dtde );
// XInitialization
virtual void SAL_CALL initialize( const Sequence< Any >& args );
// XDropTarget
virtual void SAL_CALL addDropTargetListener( const Reference< ::com::sun::star::datatransfer::dnd::XDropTargetListener >& );
virtual void SAL_CALL removeDropTargetListener( const Reference< ::com::sun::star::datatransfer::dnd::XDropTargetListener >& );
virtual sal_Bool SAL_CALL isActive();
virtual void SAL_CALL setActive( sal_Bool active );
virtual sal_Int8 SAL_CALL getDefaultActions();
virtual void SAL_CALL setDefaultActions( sal_Int8 actions );
// XServiceInfo
virtual ::rtl::OUString SAL_CALL getImplementationName();
virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName );
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString >
SAL_CALL getSupportedServiceNames();
};
class SelectionManager :
public ::cppu::WeakComponentImplHelper6<
::com::sun::star::datatransfer::dnd::XDropTargetDropContext,
::com::sun::star::datatransfer::dnd::XDragSource,
::com::sun::star::datatransfer::dnd::XDragSourceContext,
::com::sun::star::lang::XInitialization,
::com::sun::star::awt::XEventHandler,
::com::sun::star::lang::XServiceInfo
>,
public SelectionAdaptor
{
// for INCR type selection transfer
// INCR protocol is used if the data cannot
// be transported at once but in parts
// IncrementalTransfer holds the bytes to be transmitted
// as well a the current position
// INCR triggers the delivery of the next part by deleting the
// property used to transfer the data
struct IncrementalTransfer
{
Sequence< sal_Int8 >
m_aData;
int m_nBufferPos;
Window m_aRequestor;
Atom m_aProperty;
Atom m_aTarget;
int m_nFormat;
int m_nTransferStartTime;
IncrementalTransfer( const Sequence< sal_Int8 >& rData, Window aRequestor, Atom aProperty, Atom aTarget, int nFormat );
};
// a struct to hold the data associated with a selection
struct Selection
{
enum State
{
Inactive, WaitingForResponse, WaitingForData, IncrementalTransfer
};
State m_eState;
SelectionAdaptor* m_pAdaptor;
Atom m_aAtom;
::osl::Condition m_aDataArrived;
Sequence< sal_Int8 >
m_aData;
Sequence< ::com::sun::star::datatransfer::DataFlavor >
m_aTypes;
// this is used for caching
// m_aTypes is invalid after 2 seconds
int m_nLastTimestamp;
bool m_bHaveUTF16;
Selection() : m_eState( Inactive ),
m_pAdaptor( NULL ),
m_aAtom( None ),
m_nLastTimestamp( 0 ),
m_bHaveUTF16( false )
{}
};
// a struct to hold data associated with a XDropTarget
struct DropTargetEntry
{
DropTarget* m_pTarget;
Window m_aRootWindow;
DropTargetEntry() : m_pTarget( NULL ), m_aRootWindow( None ) {}
DropTargetEntry( DropTarget* pTarget ) :
m_pTarget( pTarget ),
m_aRootWindow( None )
{}
DropTargetEntry( const DropTargetEntry& rEntry ) :
m_pTarget( rEntry.m_pTarget ),
m_aRootWindow( rEntry.m_aRootWindow )
{}
~DropTargetEntry() {}
DropTarget* operator->() const { return m_pTarget; }
DropTargetEntry& operator=(const DropTargetEntry& rEntry)
{ m_pTarget = rEntry.m_pTarget; m_aRootWindow = rEntry.m_aRootWindow; return *this; }
};
// internal data
Display* m_pDisplay;
oslThread m_aThread;
Window m_aWindow;
Reference< ::com::sun::star::awt::XDisplayConnection >
m_xDisplayConnection;
// members used for Xdnd
// drop only
// contains the XdndEnterEvent of a drop action running
// with one of our targets. The data.l[0] member
// (conatining the drag source window) is set
// to None while that is not the case
XClientMessageEvent m_aDropEnterEvent;
// set to false on XdndEnter
// set to true on first XdndPosition or XdndLeave
bool m_bDropEnterSent;
Window m_aCurrentDropWindow;
// time code of XdndDrop
Time m_nDropTime;
sal_Int8 m_nLastDropAction;
// XTransferable for Xdnd with foreign drag source
Reference< ::com::sun::star::datatransfer::XTransferable >
m_xDropTransferable;
int m_nLastX, m_nLastY;
// drag only
// None if no Dnd action is running with us as source
Window m_aDropWindow;
// either m_aDropWindow or its XdndProxy
Window m_aDropProxy;
// XTransferable for Xdnd when we are drag source
Reference< ::com::sun::star::datatransfer::XTransferable >
m_xDragSourceTransferable;
Reference< ::com::sun::star::datatransfer::dnd::XDragSourceListener >
m_xDragSourceListener;
// root coordinates
int m_nLastDragX, m_nLastDragY;
Sequence< ::com::sun::star::datatransfer::DataFlavor >
m_aDragFlavors;
// the rectangle the pointer must leave until a new XdndPosition should
// be sent. empty unless the drop target told to fill
int m_nNoPosX, m_nNoPosY, m_nNoPosWidth, m_nNoPosHeight;
int m_nDragButton;
sal_Int8 m_nUserDragAction;
sal_Int8 m_nSourceActions;
bool m_bDropSuccess;
bool m_bDropSent;
time_t m_nDropTimeout;
bool m_bWaitingForPrimaryConversion;
// drag cursors
Cursor m_aMoveCursor;
Cursor m_aCopyCursor;
Cursor m_aLinkCursor;
Cursor m_aNoneCursor;
Cursor m_aCurrentCursor;
// drag and drop
int m_nCurrentProtocolVersion;
::std::hash_map< Window, DropTargetEntry >
m_aDropTargets;
// some special atoms that are needed often
Atom m_nCLIPBOARDAtom;
Atom m_nTARGETSAtom;
Atom m_nTEXTAtom;
Atom m_nINCRAtom;
Atom m_nXdndAware;
Atom m_nXdndEnter;
Atom m_nXdndLeave;
Atom m_nXdndPosition;
Atom m_nXdndStatus;
Atom m_nXdndDrop;
Atom m_nXdndFinished;
Atom m_nXdndSelection;
Atom m_nXdndTypeList;
Atom m_nXdndProxy;
Atom m_nXdndActionCopy;
Atom m_nXdndActionMove;
Atom m_nXdndActionLink;
Atom m_nXdndActionAsk;
Atom m_nXdndActionPrivate;
// caching for atoms
::std::hash_map< Atom, ::rtl::OUString >
m_aAtomToString;
::std::hash_map< ::rtl::OUString, Atom, ::rtl::OUStringHash >
m_aStringToAtom;
// the registered selections
::std::hash_map< Atom, Selection* >
m_aSelections;
// IncrementalTransfers in progress
::std::hash_map< Window, ::std::list< IncrementalTransfer > >
m_aIncrementals;
// do not use X11 multithreading capabilities
// since this leads to deadlocks in different Xlib implentations
// (XFree as well as Xsun) use an own mutex instead
::osl::Mutex m_aMutex;
// currently this service supports only one display
// this should be changed to a hash_map indexed by the
// display name in the future
static SelectionManager* m_pInstance;
SelectionManager();
~SelectionManager();
SelectionAdaptor* getAdaptor( Atom selection );
// handle various events
void handleSelectionRequest( XSelectionRequestEvent& rRequest );
void handleSendPropertyNotify( XPropertyEvent& rNotify );
void handleReceivePropertyNotify( XPropertyEvent& rNotify );
void handleSelectionNotify( XSelectionEvent& rNotify );
void handleDragEvent( XEvent& rMessage );
void handleDropEvent( XClientMessageEvent& rMessage );
// dnd helpers
void sendDragStatus( Atom nDropAction );
void sendDropPosition( bool bForce, Time eventTime );
bool updateDragAction( int modifierState );
int getXdndVersion( Window aWindow, Window& rProxy );
Cursor createCursor( const char* pPointerData, const char* pMaskData, int width, int height, int hotX, int hotY );
// coordinates on root window
void updateDragWindow( int nX, int nY, Window aRoot );
bool getPasteData( Atom selection, Atom type, Sequence< sal_Int8 >& rData );
// returns true if conversion was successful
bool convertData( const Reference< ::com::sun::star::datatransfer::XTransferable >& xTransferable,
const ::rtl::OUString& rType,
Sequence< sal_Int8 >& rData );
// thread dispatch loop
static void run( void* );
void dispatchEvent( int millisec );
void handleXEvent( XEvent& rEvent );
public:
static SelectionManager& get();
Display * getDisplay() { return m_pDisplay; };
Window getWindow() { return m_aWindow; };
void registerHandler( Atom selection, SelectionAdaptor& rAdaptor );
void deregisterHandler( Atom selection );
bool requestOwnership( Atom selection );
Atom getAtom( const ::rtl::OUString& rString );
const ::rtl::OUString& getString( Atom nAtom );
// type conversion
Atom convertTypeToNative( const ::rtl::OUString& rType, Atom selection, int& rFormat );
::rtl::OUString convertTypeFromNative( Atom nType, Atom selection );
Reference< ::com::sun::star::datatransfer::dnd::XDropTarget >
registerDropTarget( Window aWindow );
void deregisterDropTarget( const Reference< ::com::sun::star::datatransfer::dnd::XDropTarget >& xTarget );
// methods for transferable
bool getPasteDataTypes( Atom selection, Sequence< ::com::sun::star::datatransfer::DataFlavor >& rTypes );
bool getPasteData( Atom selection, const ::rtl::OUString& rType, Sequence< sal_Int8 >& rData );
// for XDropTarget to register/deregister itself
void registerDropTarget( Window aWindow, DropTarget* pTarget );
void deregisterDropTarget( Window aWindow );
// XDropTargetDragContext
virtual void SAL_CALL accept( sal_Int8 dragOperation );
virtual void SAL_CALL reject();
virtual Sequence< ::com::sun::star::datatransfer::DataFlavor >
SAL_CALL getCurrentDataFlavors();
virtual sal_Bool SAL_CALL isDataFlavorSupported( const ::com::sun::star::datatransfer::DataFlavor& df );
// XDropTargetDropContext
virtual void SAL_CALL dropComplete( sal_Bool success );
// XServiceInfo
virtual ::rtl::OUString SAL_CALL getImplementationName();
virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName );
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString >
SAL_CALL getSupportedServiceNames();
// XInitialization
virtual void SAL_CALL initialize( const Sequence< Any >& arguments );
// XEventHandler
virtual sal_Bool SAL_CALL handleEvent( const Any& event );
// XDragSource
virtual sal_Bool SAL_CALL isDragImageSupported();
virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction );
virtual void SAL_CALL executeDrag(
const ::com::sun::star::datatransfer::dnd::DragGestureEvent& trigger,
sal_Int8 sourceActions, sal_Int32 cursor, sal_Int32 image,
const Reference< ::com::sun::star::datatransfer::XTransferable >& transferable,
const Reference< ::com::sun::star::datatransfer::dnd::XDragSourceListener >& listener
);
// XDragSourceContext
virtual sal_Int32 SAL_CALL getCurrentCursor();
virtual void SAL_CALL setCursor( sal_Int32 cursor );
virtual void SAL_CALL setImage( sal_Int32 image );
virtual void SAL_CALL transferablesFlavorsChanged();
// SelectionAdaptor for XdndSelection Drag (we are drag source)
virtual Reference< ::com::sun::star::datatransfer::XTransferable > getTransferable();
virtual void clearTransferable();
};
// ------------------------------------------------------------------------
::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL Xdnd_getSupportedServiceNames();
::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL Xdnd_createInstance(
const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > & xMultiServiceFactory);
::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL Xdnd_dropTarget_getSupportedServiceNames();
::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL Xdnd_dropTarget_createInstance(
const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > & xMultiServiceFactory);
// ------------------------------------------------------------------------
}
#endif
|