#ifdef NEW_GTK_DND_CODE
+#include "gtk/gtkdnd.h"
+#include "gtk/gtkselection.h"
+
+// ----------------------------------------------------------------------------
+// "drag_leave"
+// ----------------------------------------------------------------------------
+
+static void target_drag_leave( GtkWidget *WXUNUSED(widget),
+ GdkDragContext *WXUNUSED(context),
+ guint WXUNUSED(time) )
+{
+ printf( "leave.\n" );
+}
+
+// ----------------------------------------------------------------------------
+// "drag_motion"
+// ----------------------------------------------------------------------------
+
+static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
+ GdkDragContext *context,
+ gint WXUNUSED(x),
+ gint WXUNUSED(y),
+ guint time )
+{
+ printf( "motion.\n" );
+ gdk_drag_status( context, context->suggested_action, time );
+ return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// "drag_drop"
+// ----------------------------------------------------------------------------
+
+static gboolean target_drag_drop( GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time )
+{
+ printf( "drop at: %d,%d.\n", x, y );
+
+ if (context->targets)
+ {
+ gtk_drag_get_data( widget,
+ context,
+ GPOINTER_TO_INT (context->targets->data),
+ time );
+ }
+ return FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// "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 )
+{
+ printf( "data receive at: %d,%d.\n", x, y );
+
+ if ((data->length >= 0) && (data->format == 8))
+ {
+ wxString str = (const char*)data->data;
+ printf( "Received %s\n.", WXSTRINGCAST str );
+ gtk_drag_finish( context, TRUE, FALSE, time );
+ return;
+ }
+
+ gtk_drag_finish (context, FALSE, FALSE, time);
+}
+
+// ----------------------------------------------------------------------------
+// wxDropTarget
+// ----------------------------------------------------------------------------
+
wxDropTarget::wxDropTarget()
{
}
void wxDropTarget::UnregisterWidget( GtkWidget *widget )
{
- if (!widget) return;
+ wxCHECK_RET( widget != NULL, "unregister widget is NULL" );
- // TODO
+ gtk_drag_dest_set( widget,
+ (GtkDestDefaults) 0,
+ (GtkTargetEntry*) NULL,
+ 0,
+ (GdkDragAction) 0 );
+
+ 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 )
{
- if (!widget) return;
+ wxCHECK_RET( widget != NULL, "register widget is NULL" );
- wxString formats;
- int valid = 0;
+ GtkTargetEntry format;
+ format.info = 0;
+ format.flags = 0;
+ int valid = 0;
for ( size_t i = 0; i < GetFormatCount(); i++ )
{
wxDataFormat df = GetFormat( i );
switch (df)
{
case wxDF_TEXT:
- if (i > 0) formats += ";";
- formats += "text/plain";
+ format.target = "text/plain";
valid++;
break;
case wxDF_FILENAME:
- if (i > 0) formats += ";";
- formats += "file:ALL";
+ format.target = "file:ALL";
valid++;
break;
default:
}
}
- char *str = WXSTRINGCAST formats;
+ wxASSERT_MSG( valid != 0, "No valid DnD format supported." );
- // TODO
+ gtk_drag_dest_set( widget,
+ GTK_DEST_DEFAULT_ALL,
+ &format,
+ 1,
+ (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
+
+ 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 );
}
// ----------------------------------------------------------------------------
// TODO
}
-#else
+
+#else // NEW_CODE
+
+
+
+//-----------------------------------------------------------------------------
+// "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
void wxDropTarget::UnregisterWidget( GtkWidget *widget )
{
- if (!widget) return;
+ if (!widget) return;
- gtk_widget_dnd_drop_set( widget, FALSE, (gchar **) NULL, 0, FALSE );
+ 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;
+ wxString formats;
+ int valid = 0;
- for ( size_t i = 0; i < GetFormatCount(); i++ )
- {
- wxDataFormat df = GetFormat( i );
- switch (df)
+ for ( size_t i = 0; i < GetFormatCount(); i++ )
{
- case wxDF_TEXT:
- if (i > 0) formats += ";";
- formats += "text/plain";
- valid++;
- break;
- case wxDF_FILENAME:
- if (i > 0) formats += ";";
- formats += "file:ALL";
- valid++;
- break;
- default:
- break;
+ wxDataFormat df = GetFormat( i );
+ switch (df)
+ {
+ case wxDF_TEXT:
+ if (i > 0) formats += ";";
+ formats += "text/plain";
+ valid++;
+ break;
+ case wxDF_FILENAME:
+ if (i > 0) formats += ";";
+ formats += "file:ALL";
+ valid++;
+ break;
+ default:
+ break;
+ }
}
- }
- char *str = WXSTRINGCAST formats;
+ char *str = WXSTRINGCAST formats;
+
+ gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE );
- 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 );
}
// ----------------------------------------------------------------------------
bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
{
- OnDropText( x, y, (const char*)data );
- return TRUE;
+ 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;
}
wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
{
- return wxDF_TEXT;
+ return wxDF_TEXT;
}
// ----------------------------------------------------------------------------
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;
+ 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;
- char *text = (char*) data;
- for (size_t i = 0; i < size; i++)
- if (text[i] == 0) number++;
+ size_t number = 0;
+ char *text = (char*) data;
+ for (size_t i = 0; i < size; i++)
+ if (text[i] == 0) number++;
- if (number == 0) return TRUE;
+ if (number == 0) return TRUE;
- char **files = new char*[number];
+ char **files = new char*[number];
- text = (char*) data;
- for (size_t i = 0; i < number; i++)
- {
- files[i] = text;
- int len = strlen( text );
- text += len+1;
- }
+ text = (char*) data;
+ for (size_t i = 0; i < number; i++)
+ {
+ files[i] = text;
+ int len = strlen( text );
+ text += len+1;
+ }
- bool ret = OnDropFiles( x, y, 1, files );
+ bool ret = OnDropFiles( x, y, 1, files );
- free( files );
+ free( files );
- return ret;
+ return ret;
}
size_t wxFileDropTarget::GetFormatCount() const
{
- return 1;
+ return 1;
}
wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
{
- return wxDF_FILENAME;
+ return wxDF_FILENAME;
}
//-------------------------------------------------------------------------