]> git.saurik.com Git - wxWidgets.git/blame_incremental - src/gtk/dnd.cpp
projects / wxWidgets.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
resize fun
[wxWidgets.git] / src / gtk / dnd.cpp
... / ...
CommitLineData
1///////////////////////////////////////////////////////////////////////////////
2// Name: dnd.cpp
3// Purpose: wxDropTarget class
4// Author: Robert Roebling
5// Id: $Id$
6// Copyright: (c) 1998 Robert Roebling
7// Licence: wxWindows licence
8///////////////////////////////////////////////////////////////////////////////
9
10#ifdef __GNUG__
11#pragma implementation "dnd.h"
12#endif
13
14#include "wx/dnd.h"
15
16#if wxUSE_DRAG_AND_DROP
17
18#include "wx/window.h"
19#include "wx/app.h"
20#include "wx/gdicmn.h"
21#include "wx/intl.h"
22#include "wx/utils.h"
23
24#include "gdk/gdk.h"
25#include "gtk/gtk.h"
26#include "gdk/gdkprivate.h"
27
28#include <X11/Xlib.h>
29
30// ----------------------------------------------------------------------------
31// global
32// ----------------------------------------------------------------------------
33
34extern bool g_blockEventsOnDrag;
35
36#ifdef NEW_GTK_DND_CODE
37
38#include "gtk/gtkdnd.h"
39#include "gtk/gtkselection.h"
40
41// ----------------------------------------------------------------------------
42// "drag_leave"
43// ----------------------------------------------------------------------------
44
45static void target_drag_leave( GtkWidget *WXUNUSED(widget),
46 GdkDragContext *WXUNUSED(context),
47 guint WXUNUSED(time) )
48{
49 printf( "leave.\n" );
50}
51
52// ----------------------------------------------------------------------------
53// "drag_motion"
54// ----------------------------------------------------------------------------
55
56static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
57 GdkDragContext *context,
58 gint WXUNUSED(x),
59 gint WXUNUSED(y),
60 guint time )
61{
62 printf( "motion.\n" );
63 gdk_drag_status( context, context->suggested_action, time );
64 return TRUE;
65}
66
67// ----------------------------------------------------------------------------
68// "drag_drop"
69// ----------------------------------------------------------------------------
70
71static gboolean target_drag_drop( GtkWidget *widget,
72 GdkDragContext *context,
73 gint x,
74 gint y,
75 guint time )
76{
77 printf( "drop at: %d,%d.\n", x, y );
78
79 if (context->targets)
80 {
81 gtk_drag_get_data( widget,
82 context,
83 GPOINTER_TO_INT (context->targets->data),
84 time );
85 }
86 return FALSE;
87}
88
89// ----------------------------------------------------------------------------
90// "drag_data_received"
91// ----------------------------------------------------------------------------
92
93static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
94 GdkDragContext *context,
95 gint x,
96 gint y,
97 GtkSelectionData *data,
98 guint WXUNUSED(info),
99 guint time )
100{
101 printf( "data receive at: %d,%d.\n", x, y );
102
103 if ((data->length >= 0) && (data->format == 8))
104 {
105 wxString str = (const char*)data->data;
106 printf( "Received %s\n.", WXSTRINGCAST str );
107 gtk_drag_finish( context, TRUE, FALSE, time );
108 return;
109 }
110
111 gtk_drag_finish (context, FALSE, FALSE, time);
112}
113
114// ----------------------------------------------------------------------------
115// wxDropTarget
116// ----------------------------------------------------------------------------
117
118wxDropTarget::wxDropTarget()
119{
120}
121
122wxDropTarget::~wxDropTarget()
123{
124}
125
126void wxDropTarget::UnregisterWidget( GtkWidget *widget )
127{
128 wxCHECK_RET( widget != NULL, "unregister widget is NULL" );
129
130 gtk_drag_dest_set( widget,
131 (GtkDestDefaults) 0,
132 (GtkTargetEntry*) NULL,
133 0,
134 (GdkDragAction) 0 );
135
136 gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
137 GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
138
139 gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
140 GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this );
141
142 gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
143 GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
144
145 gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
146 GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
147}
148
149void wxDropTarget::RegisterWidget( GtkWidget *widget )
150{
151 wxCHECK_RET( widget != NULL, "register widget is NULL" );
152
153 GtkTargetEntry format;
154 format.info = 0;
155 format.flags = 0;
156 char buf[100];
157
158 int valid = 0;
159 for ( size_t i = 0; i < GetFormatCount(); i++ )
160 {
161 wxDataFormat df = GetFormat( i );
162 switch (df)
163 {
164 case wxDF_TEXT:
165 format.target = "text/plain";
166 valid++;
167 break;
168 case wxDF_FILENAME:
169 format.target = "file:ALL";
170 valid++;
171 break;
172 case wxDF_PRIVATE:
173 wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
174 strcpy( buf, WXSTRINGCAST pdt->GetID() );
175 format.target = buf;
176 valid++;
177 default:
178 break;
179 }
180 }
181
182 wxASSERT_MSG( valid != 0, "No valid DnD format supported." );
183
184 gtk_drag_dest_set( widget,
185 GTK_DEST_DEFAULT_ALL,
186 &format,
187 1,
188 (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
189
190 gtk_signal_connect( GTK_OBJECT(widget), "drag_leave",
191 GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
192
193 gtk_signal_connect( GTK_OBJECT(widget), "drag_motion",
194 GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this );
195
196 gtk_signal_connect( GTK_OBJECT(widget), "drag_drop",
197 GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
198
199 gtk_signal_connect( GTK_OBJECT(widget), "drag_data_received",
200 GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
201}
202
203// ----------------------------------------------------------------------------
204// wxTextDropTarget
205// ----------------------------------------------------------------------------
206
207bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
208{
209 OnDropText( x, y, (const char*)data );
210 return TRUE;
211}
212
213bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
214{
215 printf( "Got dropped text: %s.\n", psz );
216 printf( "At x: %d, y: %d.\n", (int)x, (int)y );
217 return TRUE;
218}
219
220size_t wxTextDropTarget::GetFormatCount() const
221{
222 return 1;
223}
224
225wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
226{
227 return wxDF_TEXT;
228}
229
230// ----------------------------------------------------------------------------
231// wxFileDropTarget
232// ----------------------------------------------------------------------------
233
234bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
235{
236 printf( "Got %d dropped files.\n", (int)nFiles );
237 printf( "At x: %d, y: %d.\n", (int)x, (int)y );
238 for (size_t i = 0; i < nFiles; i++)
239 {
240 printf( aszFiles[i] );
241 printf( "\n" );
242 }
243 return TRUE;
244}
245
246bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
247{
248 size_t number = 0;
249 size_t i;
250 char *text = (char*) data;
251 for (i = 0; i < size; i++)
252 if (text[i] == 0) number++;
253
254 if (number == 0) return TRUE;
255
256 char **files = new char*[number];
257
258 text = (char*) data;
259 for (i = 0; i < number; i++)
260 {
261 files[i] = text;
262 int len = strlen( text );
263 text += len+1;
264 }
265
266 bool ret = OnDropFiles( x, y, 1, files );
267
268 free( files );
269
270 return ret;
271}
272
273size_t wxFileDropTarget::GetFormatCount() const
274{
275 return 1;
276}
277
278wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
279{
280 return wxDF_FILENAME;
281}
282
283//-------------------------------------------------------------------------
284// wxDropSource
285//-------------------------------------------------------------------------
286
287wxDropSource::wxDropSource( wxWindow *win )
288{
289 g_blockEventsOnDrag = TRUE;
290
291 m_window = win;
292 m_widget = win->m_widget;
293 if (win->m_wxwindow) m_widget = win->m_wxwindow;
294
295 m_data = (wxDataObject *) NULL;
296 m_retValue = wxDragCancel;
297
298 m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
299 m_goaheadCursor = wxCursor( wxCURSOR_HAND );
300}
301
302wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
303{
304 g_blockEventsOnDrag = TRUE;
305
306 m_window = win;
307 m_widget = win->m_widget;
308 if (win->m_wxwindow) m_widget = win->m_wxwindow;
309 m_retValue = wxDragCancel;
310
311 m_data = &data;
312
313 m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
314 m_goaheadCursor = wxCursor( wxCURSOR_HAND );
315}
316
317void wxDropSource::SetData( wxDataObject &data )
318{
319 m_data = &data;
320}
321
322wxDropSource::~wxDropSource(void)
323{
324// if (m_data) delete m_data;
325
326 g_blockEventsOnDrag = FALSE;
327}
328
329wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
330{
331 wxASSERT_MSG( m_data, "wxDragSource: no data" );
332
333 if (!m_data) return (wxDragResult) wxDragNone;
334 if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone;
335
336 RegisterWindow();
337
338 // TODO
339
340 UnregisterWindow();
341
342 g_blockEventsOnDrag = FALSE;
343
344 return m_retValue;
345}
346
347void wxDropSource::RegisterWindow(void)
348{
349 if (!m_data) return;
350
351 wxString formats;
352
353 wxDataFormat df = m_data->GetPreferredFormat();
354
355 switch (df)
356 {
357 case wxDF_TEXT:
358 formats += "text/plain";
359 break;
360 case wxDF_FILENAME:
361 formats += "file:ALL";
362 break;
363 default:
364 break;
365 }
366
367 char *str = WXSTRINGCAST formats;
368
369 // TODO
370}
371
372void wxDropSource::UnregisterWindow(void)
373{
374 if (!m_widget) return;
375
376 // TODO
377}
378
379
380#else // NEW_CODE
381
382GtkWidget *shape_create_icon ( const wxIcon &shape,
383 gint x,
384 gint y,
385 gint px,
386 gint py,
387 gint window_type);
388
389/* XPM */
390static char * gv_xpm[] = {
391"40 34 3 1",
392" s None c None",
393". c black",
394"X c white",
395" ",
396" ",
397" ...... ",
398" ..XXXXXX.. ",
399" .XXXXXXXXXX. ",
400" .XXXXXXXXXXXX. ",
401" .XXXXXXXXXXXX. ",
402" .XXXXXXXXXXXXXX. ",
403" .XXX..XXXX..XXX. ",
404" ....XX....XX....XX. ",
405" .XXX.XXX..XXXX..XXX.... ",
406" .XXXXXXXXXXXXXXXXXXX.XXX. ",
407" .XXXXXXXXXXXXXXXXXXXXXXXX. ",
408" .XXXXXXXXXXXXXXXXXXXXXXXX. ",
409" ..XXXXXXXXXXXXXXXXXXXXXX. ",
410" .XXXXXXXXXXXXXXXXXX... ",
411" ..XXXXXXXXXXXXXXXX. ",
412" .XXXXXXXXXXXXXXXX. ",
413" .XXXXXXXXXXXXXXXX. ",
414" .XXXXXXXXXXXXXXXXX. ",
415" .XXXXXXXXXXXXXXXXX. ",
416" .XXXXXXXXXXXXXXXXXX. ",
417" .XXXXXXXXXXXXXXXXXXX. ",
418" .XXXXXXXXXXXXXXXXXXXXX. ",
419" .XXXXXXXXXXXXXX.XXXXXXX. ",
420" .XXXXXXX.XXXXXXX.XXXXXXX. ",
421" .XXXXXXXX.XXXXXXX.XXXXXXX. ",
422" .XXXXXXX...XXXXX...XXXXX. ",
423" .XXXXXXX. ..... ..... ",
424" ..XXXX.. ",
425" .... ",
426" ",
427" ",
428" "};
429
430/* XPM */
431static char * page_xpm[] = {
432/* width height ncolors chars_per_pixel */
433"32 32 5 1",
434/* colors */
435" s None c None",
436". c black",
437"X c wheat",
438"o c tan",
439"O c #6699FF",
440/* pixels */
441" ................... ",
442" .XXXXXXXXXXXXXXXXX.. ",
443" .XXXXXXXXXXXXXXXXX.o. ",
444" .XXXXXXXXXXXXXXXXX.oo. ",
445" .XXXXXXXXXXXXXXXXX.ooo. ",
446" .XXXXXXXXXXXXXXXXX.oooo. ",
447" .XXXXXXXXXXXXXXXXX....... ",
448" .XXXXXOOOOOOOOOOXXXooooo. ",
449" .XXXXXXXXXXXXXXXXXXooooo. ",
450" .XXXXXOOOOOOOOOOXXXXXXXX. ",
451" .XXXXXXXXXXXXXXXXXXXXXXX. ",
452" .XXXXXXXOOOOOOOOOXXXXXXX. ",
453" .XXXXXXXXXXXXXXXXXXXXXXX. ",
454" .XXXXXXOOOOOOOOOOXXXXXXX. ",
455" .XXXXXXXXXXXXXXXXXXXXXXX. ",
456" .XXXXXOOOOOOOOOOXXXXXXXX. ",
457" .XXXXXXXXXXXXXXXXXXXXXXX. ",
458" .XXXXXXXOOOOOOOOOXXXXXXX. ",
459" .XXXXXXXXXXXXXXXXXXXXXXX. ",
460" .XXXXXXOOOOOOOOOOXXXXXXX. ",
461" .XXXXXXXXXXXXXXXXXXXXXXX. ",
462" .XXXXXOOOOOOOOOOXXXXXXXX. ",
463" .XXXXXXXXXXXXXXXXXXXXXXX. ",
464" .XXXXXXOOOOOOOOOOXXXXXXX. ",
465" .XXXXXXXXXXXXXXXXXXXXXXX. ",
466" .XXXXXOOOOOOOXXXXXXXXXXX. ",
467" .XXXXXXXXXXXXXXXXXXXXXXX. ",
468" .XXXXXXXXXXXXXXXXXXXXXXX. ",
469" .XXXXXXXXXXXXXXXXXXXXXXX. ",
470" .XXXXXXXXXXXXXXXXXXXXXXX. ",
471" .XXXXXXXXXXXXXXXXXXXXXXX. ",
472" ......................... "};
473
474
475//-----------------------------------------------------------------------------
476// globals
477//-----------------------------------------------------------------------------
478
479wxDropSource *gs_currentDropSource = (wxDropSource*) NULL;
480
481//-----------------------------------------------------------------------------
482// "drop_enter_event"
483//-----------------------------------------------------------------------------
484
485static void gtk_target_enter_callback( GtkWidget *WXUNUSED(widget),
486 GdkEventDropEnter *WXUNUSED(event),
487 wxDropTarget *target )
488{
489 if (target)
490 target->OnEnter();
491}
492
493//-----------------------------------------------------------------------------
494// "drop_leave_event"
495//-----------------------------------------------------------------------------
496
497static void gtk_target_leave_callback( GtkWidget *WXUNUSED(widget),
498 GdkEventDropLeave *WXUNUSED(event),
499 wxDropTarget *target )
500{
501 if (target)
502 target->OnLeave();
503}
504
505//-----------------------------------------------------------------------------
506// "drop_data_available_event"
507//-----------------------------------------------------------------------------
508
509static void gtk_target_callback( GtkWidget *widget,
510 GdkEventDropDataAvailable *event,
511 wxDropTarget *target )
512{
513 if (target)
514 {
515 int x = 0;
516 int y = 0;
517 gdk_window_get_pointer( widget->window, &x, &y, (GdkModifierType *) NULL );
518/*
519 printf( "Drop data is of type %s.\n", event->data_type );
520*/
521 target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes );
522 }
523
524/*
525 g_free (event->data);
526 g_free (event->data_type);
527*/
528}
529
530// ----------------------------------------------------------------------------
531// wxDropTarget
532// ----------------------------------------------------------------------------
533
534wxDropTarget::wxDropTarget()
535{
536 m_format = (wxDataFormat*) NULL;
537}
538
539wxDropTarget::~wxDropTarget()
540{
541 if (m_format) delete m_format;
542}
543
544wxDataFormat &wxDropTarget::GetFormat(size_t n) const
545{
546 return (*m_format);
547}
548
549void wxDropTarget::UnregisterWidget( GtkWidget *widget )
550{
551 if (!widget) return;
552
553 gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
554 GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this );
555
556 gtk_widget_dnd_drop_set( widget, FALSE, (gchar **) NULL, 0, FALSE );
557}
558
559void wxDropTarget::RegisterWidget( GtkWidget *widget )
560{
561 wxString formats;
562 int valid = 0;
563
564 for ( size_t i = 0; i < GetFormatCount(); i++ )
565 {
566 switch (GetFormat(i).GetType())
567 {
568 case wxDF_TEXT:
569 {
570 if (i > 0) formats += ";";
571 formats += "text/plain";
572 valid++;
573 break;
574 }
575 case wxDF_FILENAME:
576 {
577 if (i > 0) formats += ";";
578 formats += "file:ALL";
579 valid++;
580 break;
581 }
582 case wxDF_PRIVATE:
583 {
584 if (i > 0) formats += ";";
585 wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
586 formats += pdt->GetId();
587 valid++;
588 break;
589 }
590 default:
591 break;
592 }
593 }
594
595 char *str = WXSTRINGCAST formats;
596
597 gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE );
598
599 gtk_signal_connect( GTK_OBJECT(widget), "drop_data_available_event",
600 GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this );
601
602 gtk_signal_connect( GTK_OBJECT(widget), "drop_enter_event",
603 GTK_SIGNAL_FUNC(gtk_target_enter_callback), (gpointer) this );
604
605 gtk_signal_connect( GTK_OBJECT(widget), "drop_leave_event",
606 GTK_SIGNAL_FUNC(gtk_target_leave_callback), (gpointer) this );
607}
608
609// ----------------------------------------------------------------------------
610// wxTextDropTarget
611// ----------------------------------------------------------------------------
612
613wxTextDropTarget::wxTextDropTarget()
614{
615 m_format = new wxDataFormat( wxDF_TEXT );
616}
617
618bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
619{
620 OnDropText( x, y, (const char*)data );
621 return TRUE;
622}
623
624bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
625{
626/*
627 printf( "Got dropped text: %s.\n", psz );
628 printf( "At x: %d, y: %d.\n", (int)x, (int)y );
629*/
630 return TRUE;
631}
632
633size_t wxTextDropTarget::GetFormatCount() const
634{
635 return 1;
636}
637
638// ----------------------------------------------------------------------------
639// wxPrivateDropTarget
640// ----------------------------------------------------------------------------
641
642wxPrivateDropTarget::wxPrivateDropTarget()
643{
644 m_id = wxTheApp->GetAppName();
645 m_format = new wxDataFormat( m_id );
646}
647
648void wxPrivateDropTarget::SetId( const wxString& id )
649{
650 m_id = id;
651 m_format->SetId( id );
652}
653
654size_t wxPrivateDropTarget::GetFormatCount() const
655{
656 return 1;
657}
658
659// ----------------------------------------------------------------------------
660// wxFileDropTarget
661// ----------------------------------------------------------------------------
662
663wxFileDropTarget::wxFileDropTarget()
664{
665 m_format = new wxDataFormat( wxDF_FILENAME );
666}
667
668bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
669{
670 printf( "Got %d dropped files.\n", (int)nFiles );
671 printf( "At x: %d, y: %d.\n", (int)x, (int)y );
672
673 for (size_t i = 0; i < nFiles; i++)
674 {
675 printf( aszFiles[i] );
676 printf( "\n" );
677 }
678
679 return TRUE;
680}
681
682bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
683{
684 size_t number = 0;
685 size_t i;
686 char *text = (char*) data;
687 for ( i = 0; i < size; i++)
688 if (text[i] == 0) number++;
689
690 if (number == 0) return TRUE;
691
692 char **files = new char*[number];
693
694 text = (char*) data;
695 for (i = 0; i < number; i++)
696 {
697 files[i] = text;
698 int len = strlen( text );
699 text += len+1;
700 }
701
702 bool ret = OnDropFiles( x, y, 1, files );
703
704 free( files );
705
706 return ret;
707}
708
709size_t wxFileDropTarget::GetFormatCount() const
710{
711 return 1;
712}
713
714//-------------------------------------------------------------------------
715// wxDropSource
716//-------------------------------------------------------------------------
717
718static void
719shape_motion (GtkWidget *widget,
720 GdkEventMotion * /*event*/);
721
722//-----------------------------------------------------------------------------
723// "drag_request_event"
724//-----------------------------------------------------------------------------
725
726void gtk_drag_callback( GtkWidget *widget, GdkEventDragRequest *event, wxDropSource *source )
727{
728 wxDataBroker *data = source->m_data;
729
730 if (!data) return;
731
732 wxNode *node = data->m_dataObjects.First();
733 {
734 wxDataObject *dobj = (wxDataObject*) node->Data();
735
736 if ((strcmp(event->data_type,"file:ALL") == 0) &&
737 (dobj->GetFormat().GetType() == wxDF_FILENAME))
738 {
739 wxFileDataObject *file_object = (wxFileDataObject*) dobj;
740
741 wxString text = file_object->GetFiles();
742
743 char *s = WXSTRINGCAST text;
744
745 gtk_widget_dnd_data_set( widget,
746 (GdkEvent*)event,
747 (unsigned char*) s,
748 (int) text.Length()+1 );
749
750 source->m_retValue = wxDragCopy;
751
752 return;
753 }
754
755 if ((strcmp(event->data_type,"text/plain") == 0) &&
756 (dobj->GetFormat().GetType() == wxDF_TEXT))
757 {
758 wxTextDataObject *text_object = (wxTextDataObject*) dobj;
759
760 wxString text = text_object->GetText();
761
762 char *s = WXSTRINGCAST text;
763
764 gtk_widget_dnd_data_set( widget,
765 (GdkEvent*)event,
766 (unsigned char*) s,
767 (int) text.Length()+1 );
768
769 source->m_retValue = wxDragCopy;
770
771 return;
772 }
773
774 if (dobj->GetFormat().GetType() == wxDF_PRIVATE)
775 {
776 wxPrivateDataObject *pdo = (wxPrivateDataObject*) dobj;
777
778 if (pdo->GetId() == event->data_type)
779 {
780 gtk_widget_dnd_data_set( widget,
781 (GdkEvent*)event,
782 (unsigned char*) pdo->GetData(),
783 (int) pdo->GetSize() );
784
785 source->m_retValue = wxDragCopy;
786
787 return;
788 }
789 }
790
791 node = node->Next();
792 }
793}
794
795wxDropSource::wxDropSource( wxWindow *win, const wxIcon &go, const wxIcon &stop )
796{
797 g_blockEventsOnDrag = TRUE;
798
799 m_window = win;
800 m_widget = win->m_widget;
801 if (win->m_wxwindow) m_widget = win->m_wxwindow;
802
803 m_data = (wxDataBroker*) NULL;
804 m_retValue = wxDragCancel;
805
806 m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
807 m_goaheadCursor = wxCursor( wxCURSOR_HAND );
808
809 m_goIcon = go;
810 if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
811 m_stopIcon = stop;
812 if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm );
813}
814
815wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go, const wxIcon &stop )
816{
817 g_blockEventsOnDrag = TRUE;
818
819 m_window = win;
820 m_widget = win->m_widget;
821 if (win->m_wxwindow) m_widget = win->m_wxwindow;
822 m_retValue = wxDragCancel;
823
824 if (data)
825 {
826 m_data = new wxDataBroker();
827 m_data->Add( data );
828 }
829 else
830 {
831 m_data = (wxDataBroker*) NULL;
832 }
833
834 m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
835 m_goaheadCursor = wxCursor( wxCURSOR_HAND );
836
837 m_goIcon = go;
838 if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
839 m_stopIcon = stop;
840 if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm );
841}
842
843wxDropSource::wxDropSource( wxDataBroker *data, wxWindow *win )
844{
845 g_blockEventsOnDrag = TRUE;
846
847 m_window = win;
848 m_widget = win->m_widget;
849 if (win->m_wxwindow) m_widget = win->m_wxwindow;
850 m_retValue = wxDragCancel;
851
852 m_data = data;
853
854 m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
855 m_goaheadCursor = wxCursor( wxCURSOR_HAND );
856}
857
858void wxDropSource::SetData( wxDataObject *data )
859{
860 if (m_data) delete m_data;
861
862 if (data)
863 {
864 m_data = new wxDataBroker();
865 m_data->Add( data );
866 }
867 else
868 {
869 m_data = (wxDataBroker*) NULL;
870 }
871}
872
873void wxDropSource::SetData( wxDataBroker *data )
874{
875 if (m_data) delete m_data;
876
877 m_data = data;
878}
879
880wxDropSource::~wxDropSource(void)
881{
882 if (m_data) delete m_data;
883
884 g_blockEventsOnDrag = FALSE;
885}
886
887wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
888{
889 if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone;
890 if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone;
891
892 wxASSERT_MSG( m_data, "wxDragSource: no data" );
893
894 if (!m_data) return (wxDragResult) wxDragNone;
895
896 static GtkWidget *drag_icon = (GtkWidget*) NULL;
897 static GtkWidget *drop_icon = (GtkWidget*) NULL;
898
899 GdkPoint hotspot_1 = {0,-5 };
900
901 if (!drag_icon)
902 {
903 drag_icon = shape_create_icon ( m_stopIcon,
904 440, 140, 0,0, GTK_WINDOW_POPUP);
905
906 gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy",
907 GTK_SIGNAL_FUNC(gtk_widget_destroyed),
908 &drag_icon);
909
910 gtk_widget_hide (drag_icon);
911 }
912
913 GdkPoint hotspot_2 = {-5,-5};
914
915 if (!drop_icon)
916 {
917 drop_icon = shape_create_icon ( m_goIcon,
918 440, 140, 0,0, GTK_WINDOW_POPUP);
919
920 gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy",
921 GTK_SIGNAL_FUNC(gtk_widget_destroyed),
922 &drop_icon);
923
924 gtk_widget_hide (drop_icon);
925 }
926
927
928 gdk_dnd_set_drag_shape( drag_icon->window,
929 &hotspot_1,
930 drop_icon->window,
931 &hotspot_2);
932
933
934 GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
935
936 RegisterWindow();
937
938 gdk_dnd.drag_perhaps = TRUE;
939
940 gdk_dnd.dnd_drag_start.x = 5;
941 gdk_dnd.dnd_drag_start.y = 5;
942 gdk_dnd.real_sw = wp;
943
944 if (gdk_dnd.drag_startwindows)
945 {
946 g_free( gdk_dnd.drag_startwindows );
947 gdk_dnd.drag_startwindows = (GdkWindow **) NULL;
948 }
949 gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0;
950
951 XWindowAttributes dnd_winattr;
952 XGetWindowAttributes( gdk_display, wp->xwindow, &dnd_winattr );
953 wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask;
954
955 gdk_dnd_drag_addwindow( m_widget->window );
956
957 GdkEventDragBegin ev;
958 ev.type = GDK_DRAG_BEGIN;
959 ev.window = m_widget->window;
960 ev.u.allflags = 0;
961 ev.u.flags.protocol_version = DND_PROTOCOL_VERSION;
962
963 gdk_event_put( (GdkEvent*)&ev );
964
965 XGrabPointer( gdk_display, wp->xwindow, False,
966 ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
967 GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime );
968
969 gdk_dnd_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() );
970
971 gdk_dnd.dnd_grabbed = TRUE;
972 gdk_dnd.drag_really = 1;
973
974 int x = 0;
975 int y = 0;
976 wxGetMousePosition( &x, &y );
977
978 gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
979
980 gs_currentDropSource = this;
981
982 while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
983
984 gs_currentDropSource = (wxDropSource*) NULL;
985
986 UnregisterWindow();
987
988 g_blockEventsOnDrag = FALSE;
989
990 return m_retValue;
991}
992
993void wxDropSource::RegisterWindow(void)
994{
995 if (!m_data) return;
996
997 wxString formats;
998
999 wxNode *node = m_data->m_dataObjects.First();
1000 while (node)
1001 {
1002 wxDataObject* dobj = (wxDataObject*) node->Data();
1003
1004 switch (dobj->GetFormat().GetType())
1005 {
1006 case wxDF_TEXT:
1007 {
1008 formats += "text/plain";
1009 break;
1010 }
1011 case wxDF_FILENAME:
1012 {
1013 formats += "file:ALL";
1014 break;
1015 }
1016 case wxDF_PRIVATE:
1017 {
1018 wxPrivateDataObject* pdo = (wxPrivateDataObject*) m_data;
1019 formats += pdo->GetId();
1020 break;
1021 }
1022 default:
1023 break;
1024 }
1025 node = node->Next();
1026 }
1027
1028 char *str = WXSTRINGCAST formats;
1029
1030 gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 );
1031
1032 gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event",
1033 GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this );
1034}
1035
1036void wxDropSource::UnregisterWindow(void)
1037{
1038 if (!m_widget) return;
1039
1040 gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 );
1041
1042 gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
1043}
1044
1045
1046/*
1047 * Shaped Windows
1048 */
1049static GdkWindow *root_win = (GdkWindow*) NULL;
1050
1051typedef struct _cursoroffset {gint x,y;} CursorOffset;
1052
1053static void
1054shape_pressed (GtkWidget *widget, GdkEventButton *event)
1055{
1056 CursorOffset *p;
1057
1058 /* ignore double and triple click */
1059 if (event->type != GDK_BUTTON_PRESS)
1060 return;
1061
1062 p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT(widget));
1063 p->x = (int) event->x;
1064 p->y = (int) event->y;
1065
1066 gtk_grab_add (widget);
1067 gdk_pointer_grab (widget->window, TRUE,
1068 (GdkEventMask)
1069 (GDK_BUTTON_RELEASE_MASK |
1070 GDK_BUTTON_MOTION_MASK |
1071 GDK_POINTER_MOTION_HINT_MASK),
1072 (GdkWindow*)NULL,
1073 (GdkCursor*) NULL, 0);
1074}
1075
1076
1077static void
1078shape_released (GtkWidget *widget)
1079{
1080 gtk_grab_remove (widget);
1081 gdk_pointer_ungrab (0);
1082}
1083
1084static void
1085shape_motion (GtkWidget *widget,
1086 GdkEventMotion * /*event*/ )
1087{
1088 gint xp, yp;
1089 CursorOffset * p;
1090 GdkModifierType mask;
1091
1092 p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT (widget));
1093
1094 /*
1095 * Can't use event->x / event->y here
1096 * because I need absolute coordinates.
1097 */
1098
1099 gdk_window_get_pointer (root_win, &xp, &yp, &mask);
1100 gtk_widget_set_uposition (widget, xp - p->x, yp - p->y);
1101
1102 if (gs_currentDropSource) gs_currentDropSource->GiveFeedback( wxDragCopy, FALSE );
1103}
1104
1105GtkWidget *
1106shape_create_icon (const wxIcon &shape,
1107 gint x,
1108 gint y,
1109 gint px,
1110 gint py,
1111 gint window_type)
1112{
1113 /*
1114 * GDK_WINDOW_TOPLEVEL works also, giving you a title border
1115 */
1116 GtkWidget *window = gtk_window_new ((GtkWindowType)window_type);
1117
1118 GtkWidget *fixed = gtk_fixed_new ();
1119 gtk_widget_set_usize (fixed, 100,100);
1120 gtk_container_add (GTK_CONTAINER (window), fixed);
1121 gtk_widget_show (fixed);
1122
1123 gtk_widget_set_events (window,
1124 gtk_widget_get_events (window) |
1125 GDK_BUTTON_MOTION_MASK |
1126 GDK_POINTER_MOTION_HINT_MASK |
1127 GDK_BUTTON_PRESS_MASK);
1128
1129 gtk_widget_realize (window);
1130
1131 GdkBitmap *mask = (GdkBitmap*) NULL;
1132 if (shape.GetMask()) mask = shape.GetMask()->GetBitmap();
1133
1134 GtkWidget *pixmap = gtk_pixmap_new (shape.GetPixmap(), mask);
1135 gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py);
1136 gtk_widget_show (pixmap);
1137
1138 gtk_widget_shape_combine_mask (window, mask, px,py);
1139
1140
1141 gtk_signal_connect (GTK_OBJECT (window), "button_press_event",
1142 GTK_SIGNAL_FUNC (shape_pressed),NULL);
1143 gtk_signal_connect (GTK_OBJECT (window), "button_release_event",
1144 GTK_SIGNAL_FUNC (shape_released),NULL);
1145 gtk_signal_connect (GTK_OBJECT (window), "motion_notify_event",
1146 GTK_SIGNAL_FUNC (shape_motion),NULL);
1147
1148 CursorOffset*icon_pos = g_new (CursorOffset, 1);
1149 gtk_object_set_user_data(GTK_OBJECT(window), icon_pos);
1150
1151 gtk_widget_set_uposition (window, x, y);
1152 gtk_widget_show (window);
1153
1154 return window;
1155}
1156
1157#endif
1158 // NEW_GTK_DND_CODE
1159
1160#endif
1161
1162 // wxUSE_DRAG_AND_DROP
wxWidgets (Impactor)