X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/30dea05497c1f00d72d7dbf7f2f4818dfaa0e500..16bcc879d96712f9acf4bcc1236096251a1b7586:/src/gtk/dnd.cpp diff --git a/src/gtk/dnd.cpp b/src/gtk/dnd.cpp index 2498e7c423..7ffdb34a11 100644 --- a/src/gtk/dnd.cpp +++ b/src/gtk/dnd.cpp @@ -2,8 +2,9 @@ // Name: dnd.cpp // Purpose: wxDropTarget class // Author: Robert Roebling -// Copyright: Robert Roebling -// Licence: wxWindows license +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -11,296 +12,1539 @@ #endif #include "wx/dnd.h" + +#if wxUSE_DRAG_AND_DROP + #include "wx/window.h" #include "wx/app.h" #include "wx/gdicmn.h" -#include +#include "wx/intl.h" +#include "wx/utils.h" +#include "gdk/gdk.h" +#include "gtk/gtk.h" #include "gdk/gdkprivate.h" #include +//---------------------------------------------------------------------------- +// global data +//---------------------------------------------------------------------------- + +extern bool g_blockEventsOnDrag; + +//---------------------------------------------------------------------------- +// standard icons +//---------------------------------------------------------------------------- + +/* XPM */ +static char * gv_xpm[] = { +"40 34 3 1", +" s None c None", +". c black", +"X c white", +" ", +" ", +" ...... ", +" ..XXXXXX.. ", +" .XXXXXXXXXX. ", +" .XXXXXXXXXXXX. ", +" .XXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXX. ", +" .XXX..XXXX..XXX. ", +" ....XX....XX....XX. ", +" .XXX.XXX..XXXX..XXX.... ", +" .XXXXXXXXXXXXXXXXXXX.XXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXXX. ", +" ..XXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXX... ", +" ..XXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXX.XXXXXXX. ", +" .XXXXXXX.XXXXXXX.XXXXXXX. ", +" .XXXXXXXX.XXXXXXX.XXXXXXX. ", +" .XXXXXXX...XXXXX...XXXXX. ", +" .XXXXXXX. ..... ..... ", +" ..XXXX.. ", +" .... ", +" ", +" ", +" "}; + +/* XPM */ +static char * page_xpm[] = { +/* width height ncolors chars_per_pixel */ +"32 32 5 1", +/* colors */ +" s None c None", +". c black", +"X c wheat", +"o c tan", +"O c #6699FF", +/* pixels */ +" ................... ", +" .XXXXXXXXXXXXXXXXX.. ", +" .XXXXXXXXXXXXXXXXX.o. ", +" .XXXXXXXXXXXXXXXXX.oo. ", +" .XXXXXXXXXXXXXXXXX.ooo. ", +" .XXXXXXXXXXXXXXXXX.oooo. ", +" .XXXXXXXXXXXXXXXXX....... ", +" .XXXXXOOOOOOOOOOXXXooooo. ", +" .XXXXXXXXXXXXXXXXXXooooo. ", +" .XXXXXOOOOOOOOOOXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXOOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXOOOOOOOOOOXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXOOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXOOOOOOOOOOXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXOOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXOOOOOOOXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" ......................... "}; + + +#if (GTK_MINOR_VERSION > 0) + +#include "gtk/gtkdnd.h" +#include "gtk/gtkselection.h" + + // ---------------------------------------------------------------------------- -// global +// "drag_leave" // ---------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; +static void target_drag_leave( GtkWidget *WXUNUSED(widget), + GdkDragContext *context, + guint WXUNUSED(time), + wxDropTarget *drop_target ) +{ + /* inform the wxDropTarget about the current GdkDragContext. + this is only valid for the duration of this call */ + drop_target->SetDragContext( context ); + + /* we don't need return values. this event is just for + information */ + drop_target->OnLeave(); + + /* this has to be done because GDK has no "drag_enter" event */ + drop_target->m_firstMotion = TRUE; + + /* after this, invalidate the drop_target's GdkDragContext */ + drop_target->SetDragContext( (GdkDragContext*) NULL ); +} // ---------------------------------------------------------------------------- -// wxDropTarget +// "drag_motion" +// ---------------------------------------------------------------------------- + +static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget), + GdkDragContext *context, + gint x, + gint y, + guint time, + wxDropTarget *drop_target ) +{ + /* Owen Taylor: "if the coordinates not in a drop zone, + return FALSE, otherwise call gtk_drag_status() and + return TRUE" */ + + /* inform the wxDropTarget about the current GdkDragContext. + this is only valid for the duration of this call */ + drop_target->SetDragContext( context ); + + if (drop_target->m_firstMotion) + { + /* the first "drag_motion" event substitutes a "drag_enter" event */ + drop_target->OnEnter(); + } + + /* give program a chance to react (i.e. to say no by returning FALSE) */ + bool ret = drop_target->OnMove( x, y ); + + /* we don't yet handle which "actions" (i.e. copy or move) + the target accepts. so far we simply accept the + suggested action. TODO. */ + if (ret) + gdk_drag_status( context, context->suggested_action, time ); + + /* after this, invalidate the drop_target's GdkDragContext */ + drop_target->SetDragContext( (GdkDragContext*) NULL ); + + /* this has to be done because GDK has no "drag_enter" event */ + drop_target->m_firstMotion = FALSE; + + return ret; +} + +// ---------------------------------------------------------------------------- +// "drag_drop" +// ---------------------------------------------------------------------------- + +static gboolean target_drag_drop( GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + wxDropTarget *drop_target ) +{ + /* Owen Taylor: "if the drop is not in a drop zone, + return FALSE, otherwise, if you aren't accepting + the drop, call gtk_drag_finish() with success == FALSE + otherwise call gtk_drag_data_get()" */ + +// printf( "drop.\n" ); + + /* this seems to make a difference between not accepting + due to wrong target area and due to wrong format. let + us hope that this is not required.. */ + + /* inform the wxDropTarget about the current GdkDragContext. + this is only valid for the duration of this call */ + drop_target->SetDragContext( context ); + + /* inform the wxDropTarget about the current drag widget. + this is only valid for the duration of this call */ + drop_target->SetDragWidget( widget ); + + /* inform the wxDropTarget about the current drag time. + this is only valid for the duration of this call */ + drop_target->SetDragTime( time ); + + bool ret = drop_target->OnDrop( x, y ); + + if (!ret) + { + /* cancel the whole thing */ + gtk_drag_finish( context, + FALSE, /* no success */ + FALSE, /* don't delete data on dropping side */ + time ); + } + + /* after this, invalidate the drop_target's GdkDragContext */ + drop_target->SetDragContext( (GdkDragContext*) NULL ); + + /* after this, invalidate the drop_target's drag widget */ + drop_target->SetDragWidget( (GtkWidget*) NULL ); + + /* this has to be done because GDK has no "drag_enter" event */ + drop_target->m_firstMotion = TRUE; + + return ret; +} + +// ---------------------------------------------------------------------------- +// "drag_data_received" // ---------------------------------------------------------------------------- +static void target_drag_data_received( GtkWidget *WXUNUSED(widget), + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *data, + guint WXUNUSED(info), + guint time, + wxDropTarget *drop_target ) +{ + /* Owen Taylor: "call gtk_drag_finish() with + success == TRUE" */ + +// printf( "data received.\n" ); + + if ((data->length <= 0) || (data->format != 8)) + { + /* negative data length and non 8-bit data format + qualifies for junk */ + gtk_drag_finish (context, FALSE, FALSE, time); + + return; + } + + /* inform the wxDropTarget about the current GtkSelectionData. + this is only valid for the duration of this call */ + drop_target->SetDragData( data ); + + if (drop_target->OnData( x, y )) + { + /* tell GTK that data transfer was successfull */ + gtk_drag_finish( context, TRUE, FALSE, time ); + } + else + { + /* tell GTK that data transfer was not successfull */ + gtk_drag_finish( context, FALSE, FALSE, time ); + } + + /* after this, invalidate the drop_target's drag data */ + drop_target->SetDragData( (GtkSelectionData*) NULL ); +} + +//---------------------------------------------------------------------------- +// wxDropTarget +//---------------------------------------------------------------------------- + wxDropTarget::wxDropTarget() { -}; + m_firstMotion = TRUE; + m_dragContext = (GdkDragContext*) NULL; + m_dragWidget = (GtkWidget*) NULL; + m_dragData = (GtkSelectionData*) NULL; + m_dragTime = 0; +} wxDropTarget::~wxDropTarget() { -}; +} + +void wxDropTarget::OnEnter() +{ +} + +void wxDropTarget::OnLeave() +{ +} + +bool wxDropTarget::OnMove( int WXUNUSED(x), int WXUNUSED(y) ) +{ + return TRUE; +} + +bool wxDropTarget::OnDrop( int WXUNUSED(x), int WXUNUSED(y) ) +{ + return FALSE; +} -void wxDropTarget::Drop( GdkEvent *event, int x, int y ) +bool wxDropTarget::OnData( int WXUNUSED(x), int WXUNUSED(y) ) { - printf( "Drop data is of type %s.\n", event->dropdataavailable.data_type ); + return FALSE; +} + +bool wxDropTarget::RequestData( wxDataFormat format ) +{ + if (!m_dragContext) return FALSE; + if (!m_dragWidget) return FALSE; + + /* this should trigger an "drag_data_received" event */ + gtk_drag_get_data( m_dragWidget, + m_dragContext, + format.GetAtom(), + m_dragTime ); + + return TRUE; +} + +bool wxDropTarget::IsSupported( wxDataFormat format ) +{ + if (!m_dragContext) return FALSE; + + GList *child = m_dragContext->targets; + while (child) + { + GdkAtom formatAtom = (GdkAtom) GPOINTER_TO_INT(child->data); + +// char *name = gdk_atom_name( formatAtom ); +// if (name) printf( "Format available: %s.\n", name ); - OnDrop( x, y, (char *)event->dropdataavailable.data); -}; + if (formatAtom == format.GetAtom()) return TRUE; + child = child->next; + } + return FALSE; +} + +bool wxDropTarget::GetData( wxDataObject *data_object ) +{ + if (!m_dragData) return FALSE; + + if (m_dragData->target != data_object->GetFormat().GetAtom()) return FALSE; + + if (data_object->GetFormat().GetType() == wxDF_TEXT) + { + wxTextDataObject *text_object = (wxTextDataObject*)data_object; + text_object->SetText( (const char*)m_dragData->data ); + } else + + if (data_object->GetFormat().GetType() == wxDF_FILENAME) + { + } else + + if (data_object->GetFormat().GetType() == wxDF_PRIVATE) + { + wxPrivateDataObject *priv_object = (wxPrivateDataObject*)data_object; + priv_object->SetData( (const char*)m_dragData->data, (size_t)m_dragData->length ); + } + + return TRUE; +} + void wxDropTarget::UnregisterWidget( GtkWidget *widget ) { - if (!widget) return; + wxCHECK_RET( widget != NULL, "unregister widget is NULL" ); - gtk_widget_dnd_drop_set( widget, FALSE, NULL, 0, FALSE ); -}; + gtk_drag_dest_unset( widget ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this ); +} void wxDropTarget::RegisterWidget( GtkWidget *widget ) { - wxString formats; - int valid = 0; + wxCHECK_RET( widget != NULL, "register widget is NULL" ); + + /* gtk_drag_dest_set() determines what default behaviour we'd like + GTK to supply. we don't want to specify out targets (=formats) + or actions in advance (i.e. not GTK_DEST_DEFAULT_MOTION and + not GTK_DEST_DEFAULT_DROP). instead we react individually to + "drag_motion" and "drag_drop" events. this makes it possible + to allow dropping on only a small area. we should set + GTK_DEST_DEFAULT_HIGHLIGHT as this will switch on the nice + highlighting if dragging over standard controls, but this + seems to be broken without the other two. */ + + gtk_drag_dest_set( widget, + (GtkDestDefaults) 0, /* no default behaviour */ + (GtkTargetEntry*) NULL, /* we don't supply any formats here */ + 0, /* number of targets = 0 */ + (GdkDragAction) 0 ); /* we don't supply any actions here */ + + gtk_signal_connect( GTK_OBJECT(widget), "drag_leave", + GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(widget), "drag_motion", + GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(widget), "drag_drop", + GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(widget), "drag_data_received", + GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this ); +} + +//------------------------------------------------------------------------- +// wxTextDropTarget +//------------------------------------------------------------------------- + +bool wxTextDropTarget::OnMove( int WXUNUSED(x), int WXUNUSED(y) ) +{ + return IsSupported( wxDF_TEXT ); +} + +bool wxTextDropTarget::OnDrop( int WXUNUSED(x), int WXUNUSED(y) ) +{ + if (IsSupported( wxDF_TEXT )) + { + RequestData( wxDF_TEXT ); + return TRUE; + } + + return FALSE; +} + +bool wxTextDropTarget::OnData( int x, int y ) +{ + wxTextDataObject data; + if (!GetData( &data )) return FALSE; + + OnDropText( x, y, data.GetText() ); + + return TRUE; +} + +//------------------------------------------------------------------------- +// wxPrivateDropTarget +//------------------------------------------------------------------------- + +wxPrivateDropTarget::wxPrivateDropTarget() +{ + m_id = wxTheApp->GetAppName(); +} + +wxPrivateDropTarget::wxPrivateDropTarget( const wxString &id ) +{ + m_id = id; +} + +bool wxPrivateDropTarget::OnMove( int WXUNUSED(x), int WXUNUSED(y) ) +{ + return IsSupported( m_id ); +} + +bool wxPrivateDropTarget::OnDrop( int WXUNUSED(x), int WXUNUSED(y) ) +{ + if (!IsSupported( m_id )) + { + RequestData( m_id ); + return FALSE; + } + + return FALSE; +} + +bool wxPrivateDropTarget::OnData( int x, int y ) +{ + if (!IsSupported( m_id )) return FALSE; + + wxPrivateDataObject data; + if (!GetData( &data )) return FALSE; + + OnDropData( x, y, data.GetData(), data.GetSize() ); + + return TRUE; +} + +//---------------------------------------------------------------------------- +// A drop target which accepts files (dragged from File Manager or Explorer) +//---------------------------------------------------------------------------- + +bool wxFileDropTarget::OnMove( int WXUNUSED(x), int WXUNUSED(y) ) +{ + return IsSupported( wxDF_FILENAME ); +} + +bool wxFileDropTarget::OnDrop( int x, int y ) +{ + if (IsSupported( wxDF_FILENAME )) + { + RequestData( wxDF_FILENAME ); + return TRUE; + } + + return FALSE; +} + +bool wxFileDropTarget::OnData( int x, int y ) +{ + wxFileDataObject data; + if (!GetData( &data )) return FALSE; + + /* get number of substrings /root/mytext.txt/0/root/myothertext.txt/0/0 */ + size_t number = 0; + size_t i; + size_t size = data.GetFiles().Length(); + char *text = WXSTRINGCAST data.GetFiles(); + for ( i = 0; i < size; i++) + if (text[i] == 0) number++; + + if (number == 0) return FALSE; + + char **files = new char*[number]; + + text = WXSTRINGCAST data.GetFiles(); + for (i = 0; i < number; i++) + { + files[i] = text; + int len = strlen( text ); + text += len+1; + } + + OnDropFiles( x, y, number, files ); + + free( files ); + + return TRUE; +} + +//---------------------------------------------------------------------------- +// "drag_data_get" +//---------------------------------------------------------------------------- + +static void +source_drag_data_get (GtkWidget *WXUNUSED(widget), + GdkDragContext *context, + GtkSelectionData *selection_data, + guint WXUNUSED(info), + guint WXUNUSED(time), + wxDropSource *drop_source ) +{ +// char *name = gdk_atom_name( selection_data->target ); +// if (name) printf( "Format requested: %s.\n", name ); + + wxNode *node = drop_source->m_data->m_dataObjects.First(); + while (node) + { + wxDataObject *data_object = (wxDataObject*) node->Data(); + if (data_object->GetFormat().GetAtom() == selection_data->target) + { + size_t data_size = data_object->GetSize(); + if (data_size > 0) + { + guchar *buffer = new guchar[data_size]; + data_object->WriteData( buffer ); + + gtk_selection_data_set( selection_data, + selection_data->target, + 8, /* 8-bit */ + buffer, + data_size ); + + free( buffer ); + + /* so far only copy, no moves. TODO. */ + drop_source->m_retValue = wxDragCopy; + + return; + } + } + + node = node->Next(); + } + + drop_source->m_retValue = wxDragCancel; +} + +//---------------------------------------------------------------------------- +// "drag_data_delete" +//---------------------------------------------------------------------------- + +static void source_drag_data_delete( GtkWidget *WXUNUSED(widget), + GdkDragContext *WXUNUSED(context), + wxDropSource *drop_source ) +{ +// printf( "Delete the data!\n" ); + + drop_source->m_retValue = wxDragMove; +} + +//---------------------------------------------------------------------------- +// "drag_begin" +//---------------------------------------------------------------------------- + +static void source_drag_begin( GtkWidget *WXUNUSED(widget), + GdkDragContext *WXUNUSED(context), + wxDropSource *WXUNUSED(drop_source) ) +{ +// printf( "drag_begin.\n" ); +} + +//---------------------------------------------------------------------------- +// "drag_end" +//---------------------------------------------------------------------------- + +static void source_drag_end( GtkWidget *WXUNUSED(widget), + GdkDragContext *WXUNUSED(context), + wxDropSource *drop_source ) +{ +// printf( "drag_end.\n" ); + + drop_source->m_waiting = FALSE; +} + +//--------------------------------------------------------------------------- +// wxDropSource +//--------------------------------------------------------------------------- + +wxDropSource::wxDropSource( wxWindow *win, const wxIcon &go, const wxIcon &stop ) +{ + g_blockEventsOnDrag = TRUE; + m_waiting = TRUE; + + m_window = win; + m_widget = win->m_widget; + if (win->m_wxwindow) m_widget = win->m_wxwindow; + + m_data = (wxDataBroker*) NULL; + m_retValue = wxDragCancel; + + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); + m_goaheadCursor = wxCursor( wxCURSOR_HAND ); + + m_goIcon = go; + if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm ); + m_stopIcon = stop; + if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm ); +} + +wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go, const wxIcon &stop ) +{ + m_waiting = TRUE; - for ( uint i = 0; i < GetFormatCount(); i++ ) - { - wxDataFormat df = GetFormat( i ); - switch (df) + m_window = win; + m_widget = win->m_widget; + if (win->m_wxwindow) m_widget = win->m_wxwindow; + m_retValue = wxDragCancel; + + if (data) + { + m_data = new wxDataBroker(); + m_data->Add( data ); + } + else { - case wxDF_TEXT: - if (i > 0) formats += ";"; - formats += "text/plain"; - valid++; - break; - case wxDF_FILENAME: - if (i > 0) formats += ";"; - formats += "url:any"; - valid++; - break; - default: - break; - }; - } - - char *str = WXSTRINGCAST formats; - - gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE ); -}; + m_data = (wxDataBroker*) NULL; + } + + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); + m_goaheadCursor = wxCursor( wxCURSOR_HAND ); + + m_goIcon = go; + if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm ); + m_stopIcon = stop; + if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm ); +} + +wxDropSource::wxDropSource( wxDataBroker *data, wxWindow *win ) +{ + m_window = win; + m_widget = win->m_widget; + if (win->m_wxwindow) m_widget = win->m_wxwindow; + m_retValue = wxDragCancel; + + m_data = data; + + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); + m_goaheadCursor = wxCursor( wxCURSOR_HAND ); +} + +void wxDropSource::SetData( wxDataObject *data ) +{ + if (m_data) delete m_data; + + if (data) + { + m_data = new wxDataBroker(); + m_data->Add( data ); + } + else + { + m_data = (wxDataBroker*) NULL; + } +} + +void wxDropSource::SetData( wxDataBroker *data ) +{ + if (m_data) delete m_data; + + m_data = data; +} + +wxDropSource::~wxDropSource(void) +{ + if (m_data) delete m_data; + + g_blockEventsOnDrag = FALSE; +} + +wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) +{ + wxASSERT_MSG( m_data, "wxDragSource: no data" ); + + if (!m_data) return (wxDragResult) wxDragNone; + + g_blockEventsOnDrag = TRUE; + + RegisterWindow(); + + m_waiting = TRUE; + + GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 ); + gtk_target_list_add( target_list, gdk_atom_intern( "STRING", FALSE ), 0, 0 ); + + GdkEventMotion event; + event.window = m_widget->window; + int x = 0; + int y = 0; + GdkModifierType state; + gdk_window_get_pointer( event.window, &x, &y, &state ); + event.x = x; + event.y = y; + event.state = state; + + /* GTK wants to know which button was pressed which caused the dragging */ + int button_number = 0; + if (event.state & GDK_BUTTON1_MASK) button_number = 1; + else if (event.state & GDK_BUTTON2_MASK) button_number = 2; + else if (event.state & GDK_BUTTON3_MASK) button_number = 3; + + /* don't start dragging if no button is down */ + if (button_number) + { + GdkDragContext *context = gtk_drag_begin( m_widget, + target_list, + GDK_ACTION_COPY, + button_number, /* number of mouse button which started drag */ + (GdkEvent*) &event ); + + wxMask *mask = m_goIcon.GetMask(); + GdkBitmap *bm = (GdkBitmap *) NULL; + if (mask) bm = mask->GetBitmap(); + GdkPixmap *pm = m_goIcon.GetPixmap(); + + gtk_drag_set_icon_pixmap( context, + gtk_widget_get_colormap( m_widget ), + pm, + bm, + 0, + 0 ); + + gdk_flush(); + + while (m_waiting) wxYield(); + } + + g_blockEventsOnDrag = FALSE; + + UnregisterWindow(); + + return m_retValue; +} + +void wxDropSource::RegisterWindow() +{ + if (!m_widget) return; + + gtk_signal_connect( GTK_OBJECT(m_widget), "drag_data_get", + GTK_SIGNAL_FUNC (source_drag_data_get), (gpointer) this); + gtk_signal_connect (GTK_OBJECT(m_widget), "drag_data_delete", + GTK_SIGNAL_FUNC (source_drag_data_delete), (gpointer) this ); + gtk_signal_connect (GTK_OBJECT(m_widget), "drag_begin", + GTK_SIGNAL_FUNC (source_drag_begin), (gpointer) this ); + gtk_signal_connect (GTK_OBJECT(m_widget), "drag_end", + GTK_SIGNAL_FUNC (source_drag_end), (gpointer) this ); + +} + +void wxDropSource::UnregisterWindow() +{ + if (!m_widget) return; + + gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), + GTK_SIGNAL_FUNC(source_drag_data_get), (gpointer) this ); + gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), + GTK_SIGNAL_FUNC(source_drag_data_delete), (gpointer) this ); + gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), + GTK_SIGNAL_FUNC(source_drag_begin), (gpointer) this ); + gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), + GTK_SIGNAL_FUNC(source_drag_end), (gpointer) this ); +} + + +#else // NEW_CODE + +//---------------------------------------------------------------------------- +// forward +//---------------------------------------------------------------------------- + +GtkWidget *shape_create_icon ( const wxIcon &shape, + gint x, + gint y, + gint px, + gint py, + gint window_type); + +//----------------------------------------------------------------------------- +// globals +//----------------------------------------------------------------------------- + +wxDropSource *gs_currentDropSource = (wxDropSource*) NULL; + +//----------------------------------------------------------------------------- +// "drop_enter_event" +//----------------------------------------------------------------------------- + +static void gtk_target_enter_callback( GtkWidget *WXUNUSED(widget), + GdkEventDropEnter *WXUNUSED(event), + wxDropTarget *target ) +{ + if (target) + target->OnEnter(); +} + +//----------------------------------------------------------------------------- +// "drop_leave_event" +//----------------------------------------------------------------------------- + +static void gtk_target_leave_callback( GtkWidget *WXUNUSED(widget), + GdkEventDropLeave *WXUNUSED(event), + wxDropTarget *target ) +{ + if (target) + target->OnLeave(); +} + +//----------------------------------------------------------------------------- +// "drop_data_available_event" +//----------------------------------------------------------------------------- + +static void gtk_target_callback( GtkWidget *widget, + GdkEventDropDataAvailable *event, + wxDropTarget *target ) +{ + if (target) + { + int x = 0; + int y = 0; + gdk_window_get_pointer( widget->window, &x, &y, (GdkModifierType *) NULL ); +/* + printf( "Drop data is of type %s.\n", event->data_type ); +*/ + target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes ); + } + +/* + g_free (event->data); + g_free (event->data_type); +*/ +} + +// ---------------------------------------------------------------------------- +// wxDropTarget +// ---------------------------------------------------------------------------- + +wxDropTarget::wxDropTarget() +{ + m_format = (wxDataFormat*) NULL; +} + +wxDropTarget::~wxDropTarget() +{ + if (m_format) delete m_format; +} + +wxDataFormat &wxDropTarget::GetFormat(size_t n) const +{ + return (*m_format); +} + +void wxDropTarget::UnregisterWidget( GtkWidget *widget ) +{ + if (!widget) return; + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this ); + + gtk_widget_dnd_drop_set( widget, FALSE, (gchar **) NULL, 0, FALSE ); +} + +void wxDropTarget::RegisterWidget( GtkWidget *widget ) +{ + wxString formats; + int valid = 0; + + for ( size_t i = 0; i < GetFormatCount(); i++ ) + { + switch (GetFormat(i).GetType()) + { + case wxDF_TEXT: + { + if (i > 0) formats += ";"; + formats += "text/plain"; + valid++; + break; + } + case wxDF_FILENAME: + { + if (i > 0) formats += ";"; + formats += "file:ALL"; + valid++; + break; + } + case wxDF_PRIVATE: + { + if (i > 0) formats += ";"; + wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this; + formats += pdt->GetId(); + valid++; + break; + } + default: + break; + } + } + + char *str = WXSTRINGCAST formats; + + gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE ); + + gtk_signal_connect( GTK_OBJECT(widget), "drop_data_available_event", + GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(widget), "drop_enter_event", + GTK_SIGNAL_FUNC(gtk_target_enter_callback), (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(widget), "drop_leave_event", + GTK_SIGNAL_FUNC(gtk_target_leave_callback), (gpointer) this ); +} // ---------------------------------------------------------------------------- // wxTextDropTarget // ---------------------------------------------------------------------------- -bool wxTextDropTarget::OnDrop( long x, long y, const void *pData ) +wxTextDropTarget::wxTextDropTarget() { - OnDropText( x, y, (const char*)pData ); - return TRUE; -}; + m_format = new wxDataFormat( wxDF_TEXT ); +} + +bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) ) +{ + OnDropText( x, y, (const char*)data ); + return TRUE; +} bool wxTextDropTarget::OnDropText( long x, long y, const char *psz ) { - printf( "Got dropped text: %s.\n", psz ); - printf( "At x: %d, y: %d.\n", (int)x, (int)y ); - return TRUE; -}; +/* + printf( "Got dropped text: %s.\n", psz ); + printf( "At x: %d, y: %d.\n", (int)x, (int)y ); +*/ + return TRUE; +} size_t wxTextDropTarget::GetFormatCount() const { - return 1; + return 1; +} + +// ---------------------------------------------------------------------------- +// wxPrivateDropTarget +// ---------------------------------------------------------------------------- + +wxPrivateDropTarget::wxPrivateDropTarget() +{ + m_id = wxTheApp->GetAppName(); + m_format = new wxDataFormat( m_id ); } -wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const +void wxPrivateDropTarget::SetId( const wxString& id ) { - return wxDF_TEXT; + m_id = id; + m_format->SetId( id ); +} + +size_t wxPrivateDropTarget::GetFormatCount() const +{ + return 1; } // ---------------------------------------------------------------------------- // wxFileDropTarget // ---------------------------------------------------------------------------- -bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const WXUNUSED(aszFiles)[] ) +wxFileDropTarget::wxFileDropTarget() { - printf( "Got %d dropped files.\n", (int)nFiles ); - printf( "At x: %d, y: %d.\n", (int)x, (int)y ); - return TRUE; -} + m_format = new wxDataFormat( wxDF_FILENAME ); +} -bool wxFileDropTarget::OnDrop(long x, long y, const void *WXUNUSED(pData) ) +bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] ) { - char *str = "/this/is/a/path.txt"; + printf( "Got %d dropped files.\n", (int)nFiles ); + printf( "At x: %d, y: %d.\n", (int)x, (int)y ); - return OnDropFiles(x, y, 1, &str ); + for (size_t i = 0; i < nFiles; i++) + { + printf( aszFiles[i] ); + printf( "\n" ); + } + + return TRUE; } -size_t wxFileDropTarget::GetFormatCount() const +bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size ) { - return 1; + size_t number = 0; + size_t i; + char *text = (char*) data; + for ( i = 0; i < size; i++) + if (text[i] == 0) number++; + + if (number == 0) return TRUE; + + char **files = new char*[number]; + + text = (char*) data; + for (i = 0; i < number; i++) + { + files[i] = text; + int len = strlen( text ); + text += len+1; + } + + bool ret = OnDropFiles( x, y, 1, files ); + + free( files ); + + return ret; } -wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const +size_t wxFileDropTarget::GetFormatCount() const { - return wxDF_FILENAME; + return 1; } //------------------------------------------------------------------------- // wxDropSource //------------------------------------------------------------------------- +static void +shape_motion (GtkWidget *widget, + GdkEventMotion * /*event*/); + +//----------------------------------------------------------------------------- +// "drag_request_event" //----------------------------------------------------------------------------- -// drag request -void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source ) +void gtk_drag_callback( GtkWidget *widget, GdkEventDragRequest *event, wxDropSource *source ) { - printf( "Data requested for dropping.\n" ); - - wxDataObject *data = source->m_data; - - uint size = data->GetDataSize(); - char *ptr = new char[size]; - data->GetDataHere( ptr ); - - gtk_widget_dnd_data_set( widget, event, ptr, size ); + wxDataBroker *data = source->m_data; + + if (!data) return; + + wxNode *node = data->m_dataObjects.First(); + { + wxDataObject *dobj = (wxDataObject*) node->Data(); + + if ((strcmp(event->data_type,"file:ALL") == 0) && + (dobj->GetFormat().GetType() == wxDF_FILENAME)) + { + wxFileDataObject *file_object = (wxFileDataObject*) dobj; + + wxString text = file_object->GetFiles(); + + char *s = WXSTRINGCAST text; + + gtk_widget_dnd_data_set( widget, + (GdkEvent*)event, + (unsigned char*) s, + (int) text.Length()+1 ); + + source->m_retValue = wxDragCopy; + + return; + } + + if ((strcmp(event->data_type,"text/plain") == 0) && + (dobj->GetFormat().GetType() == wxDF_TEXT)) + { + wxTextDataObject *text_object = (wxTextDataObject*) dobj; + + wxString text = text_object->GetText(); + + char *s = WXSTRINGCAST text; + + gtk_widget_dnd_data_set( widget, + (GdkEvent*)event, + (unsigned char*) s, + (int) text.Length()+1 ); + + source->m_retValue = wxDragCopy; + + return; + } + + if (dobj->GetFormat().GetType() == wxDF_PRIVATE) + { + wxPrivateDataObject *pdo = (wxPrivateDataObject*) dobj; + + if (pdo->GetId() == event->data_type) + { + gtk_widget_dnd_data_set( widget, + (GdkEvent*)event, + (unsigned char*) pdo->GetData(), + (int) pdo->GetSize() ); + + source->m_retValue = wxDragCopy; + + return; + } + } + + node = node->Next(); + } +} + +wxDropSource::wxDropSource( wxWindow *win, const wxIcon &go, const wxIcon &stop ) +{ + g_blockEventsOnDrag = TRUE; - delete ptr; + m_window = win; + m_widget = win->m_widget; + if (win->m_wxwindow) m_widget = win->m_wxwindow; - source->m_retValue = wxDropSource::Copy; -}; + m_data = (wxDataBroker*) NULL; + m_retValue = wxDragCancel; + + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); + m_goaheadCursor = wxCursor( wxCURSOR_HAND ); + + m_goIcon = go; + if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm ); + m_stopIcon = stop; + if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm ); +} -wxDropSource::wxDropSource( wxWindow *win ) +wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go, const wxIcon &stop ) { - g_blockEventsOnDrag = TRUE; + g_blockEventsOnDrag = TRUE; - m_window = win; - m_widget = win->m_widget; - if (win->m_wxwindow) m_widget = win->m_wxwindow; + m_window = win; + m_widget = win->m_widget; + if (win->m_wxwindow) m_widget = win->m_wxwindow; + m_retValue = wxDragCancel; - m_data = NULL; - m_retValue = Cancel; + if (data) + { + m_data = new wxDataBroker(); + m_data->Add( data ); + } + else + { + m_data = (wxDataBroker*) NULL; + } - m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); - m_goaheadCursor = wxCursor( wxCURSOR_HAND ); -}; + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); + m_goaheadCursor = wxCursor( wxCURSOR_HAND ); + + m_goIcon = go; + if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm ); + m_stopIcon = stop; + if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm ); +} -wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win ) +wxDropSource::wxDropSource( wxDataBroker *data, wxWindow *win ) { - g_blockEventsOnDrag = TRUE; + g_blockEventsOnDrag = TRUE; - m_window = win; - m_widget = win->m_widget; - if (win->m_wxwindow) m_widget = win->m_wxwindow; - m_retValue = Cancel; + m_window = win; + m_widget = win->m_widget; + if (win->m_wxwindow) m_widget = win->m_wxwindow; + m_retValue = wxDragCancel; - m_data = &data; + m_data = data; + + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); + m_goaheadCursor = wxCursor( wxCURSOR_HAND ); +} - m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); - m_goaheadCursor = wxCursor( wxCURSOR_HAND ); -}; +void wxDropSource::SetData( wxDataObject *data ) +{ + if (m_data) delete m_data; + + if (data) + { + m_data = new wxDataBroker(); + m_data->Add( data ); + } + else + { + m_data = (wxDataBroker*) NULL; + } +} -void wxDropSource::SetData( wxDataObject &data ) +void wxDropSource::SetData( wxDataBroker *data ) { - m_data = &data; -}; + if (m_data) delete m_data; + + m_data = data; +} wxDropSource::~wxDropSource(void) { -// if (m_data) delete m_data; + if (m_data) delete m_data; - g_blockEventsOnDrag = FALSE; -}; + g_blockEventsOnDrag = FALSE; +} -wxDropSource::DragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) +wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) { - if (gdk_dnd.dnd_grabbed) return None; - if (gdk_dnd.drag_really) return None; + if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone; + if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone; - wxASSERT_MSG( data, "wxDragSource: no data" ); + wxASSERT_MSG( m_data, "wxDragSource: no data" ); - if (!m_data) return None; - if (m_data->GetDataSize() == 0) return None; + if (!m_data) return (wxDragResult) wxDragNone; - GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window; + static GtkWidget *drag_icon = (GtkWidget*) NULL; + static GtkWidget *drop_icon = (GtkWidget*) NULL; + + GdkPoint hotspot_1 = {0,-5 }; + + if (!drag_icon) + { + drag_icon = shape_create_icon ( m_stopIcon, + 440, 140, 0,0, GTK_WINDOW_POPUP); + + gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy", + GTK_SIGNAL_FUNC(gtk_widget_destroyed), + &drag_icon); + + gtk_widget_hide (drag_icon); + } + + GdkPoint hotspot_2 = {-5,-5}; + + if (!drop_icon) + { + drop_icon = shape_create_icon ( m_goIcon, + 440, 140, 0,0, GTK_WINDOW_POPUP); + + gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy", + GTK_SIGNAL_FUNC(gtk_widget_destroyed), + &drop_icon); + + gtk_widget_hide (drop_icon); + } + + + gdk_dnd_set_drag_shape( drag_icon->window, + &hotspot_1, + drop_icon->window, + &hotspot_2); - RegisterWindow(); - gdk_dnd.drag_perhaps = TRUE; + GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window; + + RegisterWindow(); + + gdk_dnd.drag_perhaps = TRUE; - gdk_dnd.dnd_drag_start.x = 5; - gdk_dnd.dnd_drag_start.y = 5; - gdk_dnd.real_sw = wp; + gdk_dnd.dnd_drag_start.x = 5; + gdk_dnd.dnd_drag_start.y = 5; + gdk_dnd.real_sw = wp; - if (gdk_dnd.drag_startwindows) - { - g_free( gdk_dnd.drag_startwindows ); - gdk_dnd.drag_startwindows = NULL; - }; - gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0; - - XWindowAttributes dnd_winattr; - XGetWindowAttributes( gdk_display, wp->xwindow, &dnd_winattr ); - wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask; - - gdk_dnd_drag_addwindow( m_widget->window ); - - GdkEventDragBegin ev; - ev.type = GDK_DRAG_BEGIN; - ev.window = m_widget->window; - ev.u.allflags = 0; - ev.u.flags.protocol_version = DND_PROTOCOL_VERSION; - - gdk_event_put( (GdkEvent*)&ev ); - - XGrabPointer( gdk_display, wp->xwindow, False, - ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask, - GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime ); - - gdk_dnd_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() ); + if (gdk_dnd.drag_startwindows) + { + g_free( gdk_dnd.drag_startwindows ); + gdk_dnd.drag_startwindows = (GdkWindow **) NULL; + } + gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0; + + XWindowAttributes dnd_winattr; + XGetWindowAttributes( gdk_display, wp->xwindow, &dnd_winattr ); + wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask; + + gdk_dnd_drag_addwindow( m_widget->window ); - gdk_dnd.dnd_grabbed = TRUE; - gdk_dnd.drag_really = 1; + GdkEventDragBegin ev; + ev.type = GDK_DRAG_BEGIN; + ev.window = m_widget->window; + ev.u.allflags = 0; + ev.u.flags.protocol_version = DND_PROTOCOL_VERSION; - int x = 0; - int y = 0; - gdk_window_get_pointer( m_widget->window, &x, &y, NULL ); + gdk_event_put( (GdkEvent*)&ev ); - gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE ); + XGrabPointer( gdk_display, wp->xwindow, False, + ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask, + GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime ); + + gdk_dnd_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() ); - while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield(); + gdk_dnd.dnd_grabbed = TRUE; + gdk_dnd.drag_really = 1; - UnregisterWindow(); + int x = 0; + int y = 0; + wxGetMousePosition( &x, &y ); - g_blockEventsOnDrag = FALSE; + gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE ); + + gs_currentDropSource = this; + + while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield(); + + gs_currentDropSource = (wxDropSource*) NULL; - return m_retValue; -}; + UnregisterWindow(); + + g_blockEventsOnDrag = FALSE; + + return m_retValue; +} void wxDropSource::RegisterWindow(void) { - if (!m_data) return; + if (!m_data) return; - wxString formats; + wxString formats; - wxDataFormat df = m_data->GetPreferredFormat(); - - switch (df) + wxNode *node = m_data->m_dataObjects.First(); + while (node) { - case wxDF_TEXT: - formats += "text/plain"; - break; - case wxDF_FILENAME: - formats += "url:any"; - break; - default: - break; + wxDataObject* dobj = (wxDataObject*) node->Data(); + + switch (dobj->GetFormat().GetType()) + { + case wxDF_TEXT: + { + formats += "text/plain"; + break; + } + case wxDF_FILENAME: + { + formats += "file:ALL"; + break; + } + case wxDF_PRIVATE: + { + wxPrivateDataObject* pdo = (wxPrivateDataObject*) m_data; + formats += pdo->GetId(); + break; + } + default: + break; + } + node = node->Next(); } - char *str = WXSTRINGCAST formats; + char *str = WXSTRINGCAST formats; - gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 ); + gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 ); - gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event", - GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this ); -}; + gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event", + GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this ); +} void wxDropSource::UnregisterWindow(void) { - if (!m_widget) return; + if (!m_widget) return; - gtk_widget_dnd_drag_set( m_widget, FALSE, NULL, 0 ); + gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 ); - gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this ); -}; + gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this ); +} + + +/* + * Shaped Windows + */ +static GdkWindow *root_win = (GdkWindow*) NULL; + +typedef struct _cursoroffset {gint x,y;} CursorOffset; + +static void +shape_pressed (GtkWidget *widget, GdkEventButton *event) +{ + CursorOffset *p; + + /* ignore double and triple click */ + if (event->type != GDK_BUTTON_PRESS) + return; + + p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT(widget)); + p->x = (int) event->x; + p->y = (int) event->y; + + gtk_grab_add (widget); + gdk_pointer_grab (widget->window, TRUE, + (GdkEventMask) + (GDK_BUTTON_RELEASE_MASK | + GDK_BUTTON_MOTION_MASK | + GDK_POINTER_MOTION_HINT_MASK), + (GdkWindow*)NULL, + (GdkCursor*) NULL, 0); +} + + +static void +shape_released (GtkWidget *widget) +{ + gtk_grab_remove (widget); + gdk_pointer_ungrab (0); +} + +static void +shape_motion (GtkWidget *widget, + GdkEventMotion * /*event*/ ) +{ + gint xp, yp; + CursorOffset * p; + GdkModifierType mask; + + p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT (widget)); + + /* + * Can't use event->x / event->y here + * because I need absolute coordinates. + */ + + gdk_window_get_pointer (root_win, &xp, &yp, &mask); + gtk_widget_set_uposition (widget, xp - p->x, yp - p->y); + + if (gs_currentDropSource) gs_currentDropSource->GiveFeedback( wxDragCopy, FALSE ); +} + +GtkWidget * +shape_create_icon (const wxIcon &shape, + gint x, + gint y, + gint px, + gint py, + gint window_type) +{ + /* + * GDK_WINDOW_TOPLEVEL works also, giving you a title border + */ + GtkWidget *window = gtk_window_new ((GtkWindowType)window_type); + + GtkWidget *fixed = gtk_fixed_new (); + gtk_widget_set_usize (fixed, 100,100); + gtk_container_add (GTK_CONTAINER (window), fixed); + gtk_widget_show (fixed); + + gtk_widget_set_events (window, + gtk_widget_get_events (window) | + GDK_BUTTON_MOTION_MASK | + GDK_POINTER_MOTION_HINT_MASK | + GDK_BUTTON_PRESS_MASK); + + gtk_widget_realize (window); + + GdkBitmap *mask = (GdkBitmap*) NULL; + if (shape.GetMask()) mask = shape.GetMask()->GetBitmap(); + + GtkWidget *pixmap = gtk_pixmap_new (shape.GetPixmap(), mask); + gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py); + gtk_widget_show (pixmap); + + gtk_widget_shape_combine_mask (window, mask, px,py); + + + gtk_signal_connect (GTK_OBJECT (window), "button_press_event", + GTK_SIGNAL_FUNC (shape_pressed),NULL); + gtk_signal_connect (GTK_OBJECT (window), "button_release_event", + GTK_SIGNAL_FUNC (shape_released),NULL); + gtk_signal_connect (GTK_OBJECT (window), "motion_notify_event", + GTK_SIGNAL_FUNC (shape_motion),NULL); + + CursorOffset*icon_pos = g_new (CursorOffset, 1); + gtk_object_set_user_data(GTK_OBJECT(window), icon_pos); + + gtk_widget_set_uposition (window, x, y); + gtk_widget_show (window); + + return window; +} + +#endif + // NEW_GTK_DND_CODE + +#endif + + // wxUSE_DRAG_AND_DROP \ No newline at end of file