#include "wx/gdicmn.h"
#endif
+#include "wx/scopeguard.h"
+
#include <gtk/gtk.h>
//----------------------------------------------------------------------------
drop_target->m_firstMotion = true;
/* after this, invalidate the drop_target's GdkDragContext */
- drop_target->SetDragContext( (GdkDragContext*) NULL );
+ drop_target->SetDragContext( NULL );
}
}
return FALSE, otherwise call gtk_drag_status() and
return TRUE" */
+#if 0
+ wxPrintf( "motion\n" );
+ GList *tmp_list;
+ for (tmp_list = context->targets; tmp_list; tmp_list = tmp_list->next)
+ {
+ wxString atom = wxString::FromAscii( gdk_atom_name (GDK_POINTER_TO_ATOM (tmp_list->data)) );
+ wxPrintf( "Atom: %s\n", atom );
+ }
+#endif
+
/* inform the wxDropTarget about the current GdkDragContext.
this is only valid for the duration of this call */
drop_target->SetDragContext( context );
if (drop_target->GetDefaultAction() == wxDragNone)
{
// use default action set by wxDropSource::DoDragDrop()
- if ( (gs_flagsForDrag & wxDrag_DefaultMove) == wxDrag_DefaultMove &&
+ if ( (gs_flagsForDrag & wxDrag_DefaultMove) == wxDrag_DefaultMove &&
(context->actions & GDK_ACTION_MOVE ) )
- {
- // move is requested by the program and allowed by GTK+ - do it, even
- // though suggested_action may be currently wxDragCopy
- result = wxDragMove;
- }
- else // use whatever GTK+ says we should
- {
- result = ConvertFromGTK(context->suggested_action);
-
- if ( (result == wxDragMove) && !(gs_flagsForDrag & wxDrag_AllowMove) )
{
- // we're requested to move but we can't
- result = wxDragCopy;
+ // move is requested by the program and allowed by GTK+ - do it, even
+ // though suggested_action may be currently wxDragCopy
+ result = wxDragMove;
+ }
+ else // use whatever GTK+ says we should
+ {
+ result = ConvertFromGTK(context->suggested_action);
+
+ if ( (result == wxDragMove) && !(gs_flagsForDrag & wxDrag_AllowMove) )
+ {
+ // we're requested to move but we can't
+ result = wxDragCopy;
+ }
}
- }
}
else if (drop_target->GetDefaultAction() == wxDragMove &&
(context->actions & GDK_ACTION_MOVE))
{
+
result = wxDragMove;
}
else
}
/* after this, invalidate the drop_target's GdkDragContext */
- drop_target->SetDragContext( (GdkDragContext*) NULL );
+ drop_target->SetDragContext( NULL );
/* this has to be done because GDK has no "drag_enter" event */
drop_target->m_firstMotion = false;
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.. */
}
/* after this, invalidate the drop_target's GdkDragContext */
- drop_target->SetDragContext( (GdkDragContext*) NULL );
+ drop_target->SetDragContext( NULL );
/* after this, invalidate the drop_target's drag widget */
- drop_target->SetDragWidget( (GtkWidget*) NULL );
+ drop_target->SetDragWidget( NULL );
/* this has to be done because GDK has no "drag_enter" event */
drop_target->m_firstMotion = true;
}
/* after this, invalidate the drop_target's drag data */
- drop_target->SetDragData( (GtkSelectionData*) NULL );
+ drop_target->SetDragData( NULL );
}
}
: wxDropTargetBase( data )
{
m_firstMotion = true;
- m_dragContext = (GdkDragContext*) NULL;
- m_dragWidget = (GtkWidget*) NULL;
- m_dragData = (GtkSelectionData*) NULL;
+ m_dragContext = NULL;
+ m_dragWidget = NULL;
+ m_dragData = NULL;
m_dragTime = 0;
}
gtk_drag_dest_set( widget,
(GtkDestDefaults) 0, /* no default behaviour */
- (GtkTargetEntry*) NULL, /* we don't supply any formats here */
+ NULL, /* we don't supply any formats here */
0, /* number of targets = 0 */
(GdkDragAction) 0 ); /* we don't supply any actions here */
{
m_waiting = true;
- m_iconWindow = (GtkWidget*) NULL;
+ m_iconWindow = NULL;
m_window = win;
m_widget = win->m_widget;
SetData( data );
- m_iconWindow = (GtkWidget*) NULL;
+ m_iconWindow = NULL;
m_window = win;
m_widget = win->m_widget;
if ( icon->GetMask() )
mask = icon->GetMask()->GetBitmap();
else
- mask = (GdkBitmap *)NULL;
+ mask = NULL;
GdkPixmap *pixmap = icon->GetPixmap();
if (g_lastMouseEvent == NULL)
return wxDragNone;
- // disabled for now
- g_blockEventsOnDrag = true;
-
- RegisterWindow();
+ GTKConnectDragSignals();
+ wxON_BLOCK_EXIT_OBJ0(*this, wxDropSource::GTKDisconnectDragSignals);
m_waiting = true;
- GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 );
+ GtkTargetList *target_list = gtk_target_list_new( NULL, 0 );
wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
m_data->GetAllFormats( array );
g_lastButtonNumber, // number of mouse button which started drag
(GdkEvent*) g_lastMouseEvent );
+ if ( !context )
+ {
+ // this can happen e.g. if gdk_pointer_grab() failed
+ return wxDragError;
+ }
+
m_dragContext = context;
PrepareIcon( action, context );
if ( m_retValue == wxDragNone )
m_retValue = wxDragCancel;
- g_blockEventsOnDrag = false;
-
- UnregisterWindow();
-
return m_retValue;
}
-void wxDropSource::RegisterWindow()
+void wxDropSource::GTKConnectDragSignals()
{
- if (!m_widget) return;
+ if (!m_widget)
+ return;
+
+ g_blockEventsOnDrag = true;
g_signal_connect (m_widget, "drag_data_get",
G_CALLBACK (source_drag_data_get), this);
}
-void wxDropSource::UnregisterWindow()
+void wxDropSource::GTKDisconnectDragSignals()
{
if (!m_widget)
return;
+ g_blockEventsOnDrag = false;
+
g_signal_handlers_disconnect_by_func (m_widget,
(gpointer) source_drag_data_get,
this);
projects / wxWidgets.git / blobdiff