d6086ea663
DnD might now actually compile (but nothing else) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2055 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1099 lines
28 KiB
C++
1099 lines
28 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: dnd.cpp
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// Purpose: wxDropTarget class
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// Author: Robert Roebling
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "dnd.h"
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#endif
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#include "wx/dnd.h"
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#if wxUSE_DRAG_AND_DROP
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#include "wx/window.h"
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#include "wx/app.h"
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#include "wx/gdicmn.h"
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#include "wx/intl.h"
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#include "wx/utils.h"
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#include "gdk/gdk.h"
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#include "gtk/gtk.h"
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#include "gdk/gdkprivate.h"
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#include <X11/Xlib.h>
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// ----------------------------------------------------------------------------
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// global
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// ----------------------------------------------------------------------------
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extern bool g_blockEventsOnDrag;
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#if (GTK_MINOR_VERSION > 0)
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#include "gtk/gtkdnd.h"
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#include "gtk/gtkselection.h"
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// ----------------------------------------------------------------------------
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// "drag_leave"
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// ----------------------------------------------------------------------------
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static void target_drag_leave( GtkWidget *WXUNUSED(widget),
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GdkDragContext *context,
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guint WXUNUSED(time),
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wxDropTarget *dt )
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{
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dt->SetDragContext( context );
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dt->OnLeave();
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dt->SetDragContext( (GdkDragContext*) NULL );
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}
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// ----------------------------------------------------------------------------
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// "drag_motion"
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// ----------------------------------------------------------------------------
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static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
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GdkDragContext *context,
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gint x,
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gint y,
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guint time,
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wxDropTarget *dt )
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{
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dt->SetDragContext( context );
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if (dt->OnMove( x, y ))
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{
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gdk_drag_status( context, context->suggested_action, time );
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}
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else
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{
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gdk_drag_status( context, (GdkDragAction)0, time );
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}
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dt->SetDragContext( (GdkDragContext*) NULL );
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// "drag_drop"
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// ----------------------------------------------------------------------------
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static gboolean target_drag_drop( GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time )
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{
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printf( "drop at: %d,%d.\n", x, y );
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if (context->targets)
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{
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gtk_drag_get_data( widget,
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context,
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GPOINTER_TO_INT (context->targets->data),
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time );
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}
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return FALSE;
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}
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// ----------------------------------------------------------------------------
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// "drag_data_received"
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// ----------------------------------------------------------------------------
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static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
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GdkDragContext *context,
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gint x,
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gint y,
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GtkSelectionData *data,
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guint WXUNUSED(info),
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guint time )
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{
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printf( "data receive at: %d,%d.\n", x, y );
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if ((data->length >= 0) && (data->format == 8))
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{
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wxString str = (const char*)data->data;
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printf( "Received %s\n.", WXSTRINGCAST str );
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gtk_drag_finish( context, TRUE, FALSE, time );
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return;
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}
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gtk_drag_finish (context, FALSE, FALSE, time);
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}
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// ----------------------------------------------------------------------------
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// wxDropTarget
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// ----------------------------------------------------------------------------
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wxDropTarget::wxDropTarget()
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{
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}
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wxDropTarget::~wxDropTarget()
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{
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}
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void wxDropTarget::OnEnter()
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{
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}
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void wxDropTarget::OnLeave()
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{
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}
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bool wxDropTarget::OnMove( int x, int y )
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{
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printf( "mouse move %d %d.\n", x, y );
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return TRUE;
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}
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bool wxDropTarget::OnDrop( int x, int y )
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{
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printf( "mouse move %d %d.\n", x, y );
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return TRUE;
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}
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bool wxDropTarget::IsSupported( wxDataFormat format )
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{
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return TRUE;
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}
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bool wxDropTarget::GetData( wxDataObject *data )
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{
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return FALSE;
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}
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void wxDropTarget::UnregisterWidget( GtkWidget *widget )
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{
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wxCHECK_RET( widget != NULL, "unregister widget is NULL" );
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gtk_drag_dest_set( widget,
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(GtkDestDefaults) 0,
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(GtkTargetEntry*) NULL,
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0,
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(GdkDragAction) 0 );
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gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
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GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
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gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
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GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this );
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gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
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GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
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gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
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GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
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}
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void wxDropTarget::RegisterWidget( GtkWidget *widget )
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{
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wxCHECK_RET( widget != NULL, "register widget is NULL" );
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GtkTargetEntry format;
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format.info = 0;
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format.flags = 0;
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char buf[100];
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strcpy( buf, "text/plain" );
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gtk_drag_dest_set( widget,
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GTK_DEST_DEFAULT_ALL,
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&format,
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1,
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(GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
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gtk_signal_connect( GTK_OBJECT(widget), "drag_leave",
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GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
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gtk_signal_connect( GTK_OBJECT(widget), "drag_motion",
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GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this );
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gtk_signal_connect( GTK_OBJECT(widget), "drag_drop",
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GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
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gtk_signal_connect( GTK_OBJECT(widget), "drag_data_received",
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GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
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}
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//-------------------------------------------------------------------------
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// wxTextDropTarget
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//-------------------------------------------------------------------------
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bool wxTextDropTarget::OnMove( int WXUNUSED(x), int WXUNUSED(y) )
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{
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return IsSupported( wxDF_TEXT ); // same as "TEXT"
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}
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bool wxTextDropTarget::OnDrop( int x, int y )
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{
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if (!IsSupported( wxDF_TEXT )) return FALSE;
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wxTextDataObject data;
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if (!GetData( &data )) return FALSE;
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return OnDropText( x, y, data.GetText() );
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}
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//-------------------------------------------------------------------------
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// wxPrivateDropTarget
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//-------------------------------------------------------------------------
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wxPrivateDropTarget::wxPrivateDropTarget()
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{
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m_id = wxTheApp->GetAppName();
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}
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wxPrivateDropTarget::wxPrivateDropTarget( const wxString &id )
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{
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m_id = id;
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}
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bool wxPrivateDropTarget::OnMove( int WXUNUSED(x), int WXUNUSED(y) )
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{
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return IsSupported( m_id );
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}
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bool wxPrivateDropTarget::OnDrop( int x, int y )
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{
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if (!IsSupported( m_id )) return FALSE;
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wxPrivateDataObject data;
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if (!GetData( &data )) return FALSE;
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return OnDropData( x, y, data.GetData(), data.GetSize() );
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}
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//----------------------------------------------------------------------------
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// A drop target which accepts files (dragged from File Manager or Explorer)
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//----------------------------------------------------------------------------
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bool wxFileDropTarget::OnMove( int WXUNUSED(x), int WXUNUSED(y) )
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{
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return IsSupported( wxDF_FILENAME ); // same as "file:ALL"
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}
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bool wxFileDropTarget::OnDrop( int x, int y )
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{
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if (!IsSupported( wxDF_FILENAME )) return FALSE;
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wxFileDataObject data;
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if (!GetData( &data )) return FALSE;
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/* get number of substrings /root/mytext.txt/0/root/myothertext.txt/0/0 */
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size_t number = 0;
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size_t i;
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size_t size = data.GetFiles().Length();
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char *text = WXSTRINGCAST data.GetFiles();
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for ( i = 0; i < size; i++)
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if (text[i] == 0) number++;
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if (number == 0) return TRUE;
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char **files = new char*[number];
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text = WXSTRINGCAST data.GetFiles();
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for (i = 0; i < number; i++)
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{
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files[i] = text;
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int len = strlen( text );
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text += len+1;
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}
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bool ret = OnDropFiles( x, y, number, files );
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free( files );
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return ret;
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}
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//-------------------------------------------------------------------------
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// wxDropSource
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//-------------------------------------------------------------------------
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#else // NEW_CODE
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GtkWidget *shape_create_icon ( const wxIcon &shape,
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gint x,
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gint y,
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gint px,
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gint py,
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gint window_type);
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/* XPM */
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static char * gv_xpm[] = {
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"40 34 3 1",
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" s None c None",
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". c black",
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"X c white",
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" ",
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" ",
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" ...... ",
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" ..XXXXXX.. ",
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" .XXXXXXXXXX. ",
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" .XXXXXXXXXXXX. ",
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" .XXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXX. ",
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" .XXX..XXXX..XXX. ",
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" ....XX....XX....XX. ",
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" .XXX.XXX..XXXX..XXX.... ",
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" .XXXXXXXXXXXXXXXXXXX.XXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXXX. ",
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" ..XXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXX... ",
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" ..XXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXX.XXXXXXX. ",
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" .XXXXXXX.XXXXXXX.XXXXXXX. ",
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" .XXXXXXXX.XXXXXXX.XXXXXXX. ",
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" .XXXXXXX...XXXXX...XXXXX. ",
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" .XXXXXXX. ..... ..... ",
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" ..XXXX.. ",
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" .... ",
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" ",
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" ",
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" "};
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/* XPM */
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static char * page_xpm[] = {
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/* width height ncolors chars_per_pixel */
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"32 32 5 1",
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/* colors */
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" s None c None",
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". c black",
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"X c wheat",
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"o c tan",
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"O c #6699FF",
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/* pixels */
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" ................... ",
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" .XXXXXXXXXXXXXXXXX.. ",
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" .XXXXXXXXXXXXXXXXX.o. ",
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" .XXXXXXXXXXXXXXXXX.oo. ",
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" .XXXXXXXXXXXXXXXXX.ooo. ",
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" .XXXXXXXXXXXXXXXXX.oooo. ",
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" .XXXXXXXXXXXXXXXXX....... ",
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" .XXXXXOOOOOOOOOOXXXooooo. ",
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" .XXXXXXXXXXXXXXXXXXooooo. ",
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" .XXXXXOOOOOOOOOOXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXOOOOOOOOOXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXOOOOOOOOOOXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXOOOOOOOOOOXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXOOOOOOOOOXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXOOOOOOOOOOXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXOOOOOOOOOOXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXOOOOOOOOOOXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXOOOOOOOXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" .XXXXXXXXXXXXXXXXXXXXXXX. ",
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" ......................... "};
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//-----------------------------------------------------------------------------
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// globals
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//-----------------------------------------------------------------------------
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wxDropSource *gs_currentDropSource = (wxDropSource*) NULL;
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//-----------------------------------------------------------------------------
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// "drop_enter_event"
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//-----------------------------------------------------------------------------
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static void gtk_target_enter_callback( GtkWidget *WXUNUSED(widget),
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GdkEventDropEnter *WXUNUSED(event),
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wxDropTarget *target )
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{
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if (target)
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target->OnEnter();
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}
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//-----------------------------------------------------------------------------
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// "drop_leave_event"
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//-----------------------------------------------------------------------------
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static void gtk_target_leave_callback( GtkWidget *WXUNUSED(widget),
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GdkEventDropLeave *WXUNUSED(event),
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wxDropTarget *target )
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{
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if (target)
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target->OnLeave();
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}
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//-----------------------------------------------------------------------------
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// "drop_data_available_event"
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//-----------------------------------------------------------------------------
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static void gtk_target_callback( GtkWidget *widget,
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GdkEventDropDataAvailable *event,
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wxDropTarget *target )
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{
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if (target)
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{
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int x = 0;
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int y = 0;
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gdk_window_get_pointer( widget->window, &x, &y, (GdkModifierType *) NULL );
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/*
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printf( "Drop data is of type %s.\n", event->data_type );
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*/
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target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes );
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}
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/*
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g_free (event->data);
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g_free (event->data_type);
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*/
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}
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// ----------------------------------------------------------------------------
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// wxDropTarget
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// ----------------------------------------------------------------------------
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wxDropTarget::wxDropTarget()
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{
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m_format = (wxDataFormat*) NULL;
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}
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wxDropTarget::~wxDropTarget()
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{
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if (m_format) delete m_format;
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}
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wxDataFormat &wxDropTarget::GetFormat(size_t n) const
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{
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return (*m_format);
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}
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void wxDropTarget::UnregisterWidget( GtkWidget *widget )
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{
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if (!widget) return;
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gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
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GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this );
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gtk_widget_dnd_drop_set( widget, FALSE, (gchar **) NULL, 0, FALSE );
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}
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void wxDropTarget::RegisterWidget( GtkWidget *widget )
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{
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wxString formats;
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int valid = 0;
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for ( size_t i = 0; i < GetFormatCount(); i++ )
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{
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switch (GetFormat(i).GetType())
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{
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case wxDF_TEXT:
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{
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if (i > 0) formats += ";";
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formats += "text/plain";
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valid++;
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break;
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}
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case wxDF_FILENAME:
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{
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if (i > 0) formats += ";";
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formats += "file:ALL";
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valid++;
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break;
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}
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case wxDF_PRIVATE:
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{
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if (i > 0) formats += ";";
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wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
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formats += pdt->GetId();
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valid++;
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break;
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}
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default:
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break;
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}
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}
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char *str = WXSTRINGCAST formats;
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gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE );
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gtk_signal_connect( GTK_OBJECT(widget), "drop_data_available_event",
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GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this );
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gtk_signal_connect( GTK_OBJECT(widget), "drop_enter_event",
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GTK_SIGNAL_FUNC(gtk_target_enter_callback), (gpointer) this );
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gtk_signal_connect( GTK_OBJECT(widget), "drop_leave_event",
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GTK_SIGNAL_FUNC(gtk_target_leave_callback), (gpointer) this );
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}
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|
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// ----------------------------------------------------------------------------
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// wxTextDropTarget
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// ----------------------------------------------------------------------------
|
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|
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wxTextDropTarget::wxTextDropTarget()
|
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{
|
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m_format = new wxDataFormat( wxDF_TEXT );
|
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}
|
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|
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bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
|
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{
|
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OnDropText( x, y, (const char*)data );
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return TRUE;
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}
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|
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bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
|
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{
|
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/*
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printf( "Got dropped text: %s.\n", psz );
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printf( "At x: %d, y: %d.\n", (int)x, (int)y );
|
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*/
|
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return TRUE;
|
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}
|
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|
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size_t wxTextDropTarget::GetFormatCount() const
|
|
{
|
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return 1;
|
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}
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|
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// ----------------------------------------------------------------------------
|
|
// wxPrivateDropTarget
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxPrivateDropTarget::wxPrivateDropTarget()
|
|
{
|
|
m_id = wxTheApp->GetAppName();
|
|
m_format = new wxDataFormat( m_id );
|
|
}
|
|
|
|
void wxPrivateDropTarget::SetId( const wxString& id )
|
|
{
|
|
m_id = id;
|
|
m_format->SetId( id );
|
|
}
|
|
|
|
size_t wxPrivateDropTarget::GetFormatCount() const
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxFileDropTarget
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxFileDropTarget::wxFileDropTarget()
|
|
{
|
|
m_format = new wxDataFormat( wxDF_FILENAME );
|
|
}
|
|
|
|
bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
|
|
{
|
|
printf( "Got %d dropped files.\n", (int)nFiles );
|
|
printf( "At x: %d, y: %d.\n", (int)x, (int)y );
|
|
|
|
for (size_t i = 0; i < nFiles; i++)
|
|
{
|
|
printf( aszFiles[i] );
|
|
printf( "\n" );
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
|
|
{
|
|
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;
|
|
}
|
|
|
|
size_t wxFileDropTarget::GetFormatCount() const
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// wxDropSource
|
|
//-------------------------------------------------------------------------
|
|
|
|
static void
|
|
shape_motion (GtkWidget *widget,
|
|
GdkEventMotion * /*event*/);
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// "drag_request_event"
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void gtk_drag_callback( GtkWidget *widget, GdkEventDragRequest *event, wxDropSource *source )
|
|
{
|
|
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;
|
|
|
|
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 )
|
|
{
|
|
g_blockEventsOnDrag = TRUE;
|
|
|
|
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
|
|
{
|
|
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 )
|
|
{
|
|
g_blockEventsOnDrag = TRUE;
|
|
|
|
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) )
|
|
{
|
|
if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone;
|
|
if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone;
|
|
|
|
wxASSERT_MSG( m_data, "wxDragSource: no data" );
|
|
|
|
if (!m_data) return (wxDragResult) wxDragNone;
|
|
|
|
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);
|
|
|
|
|
|
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;
|
|
|
|
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 );
|
|
|
|
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() );
|
|
|
|
gdk_dnd.dnd_grabbed = TRUE;
|
|
gdk_dnd.drag_really = 1;
|
|
|
|
int x = 0;
|
|
int y = 0;
|
|
wxGetMousePosition( &x, &y );
|
|
|
|
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;
|
|
|
|
UnregisterWindow();
|
|
|
|
g_blockEventsOnDrag = FALSE;
|
|
|
|
return m_retValue;
|
|
}
|
|
|
|
void wxDropSource::RegisterWindow(void)
|
|
{
|
|
if (!m_data) return;
|
|
|
|
wxString formats;
|
|
|
|
wxNode *node = m_data->m_dataObjects.First();
|
|
while (node)
|
|
{
|
|
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;
|
|
|
|
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 );
|
|
}
|
|
|
|
void wxDropSource::UnregisterWindow(void)
|
|
{
|
|
if (!m_widget) return;
|
|
|
|
gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 );
|
|
|
|
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
|