Ensure that only one set of callbacks exist.

[pspp-builds.git] / src / ui / gui / psppire-selector.h

diff --git a/src/ui/gui/psppire-selector.h b/src/ui/gui/psppire-selector.h
index 7ba88a96af881c9bdc96328840a892e78d1cc7a4..8e033ae4bd0a67dad28474c21fea41f05d2564cc 100644 (file)
--- a/src/ui/gui/psppire-selector.h
+++ b/src/ui/gui/psppire-selector.h
@@ -1,10 +1,9 @@
-/*
-   PSPPIRE --- A Graphical User Interface for PSPP
+/* PSPPIRE - a graphical user interface for PSPP.
    Copyright (C) 2007  Free Software Foundation
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -13,10 +12,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA.
-*/
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 
 #ifndef __PSPPIRE_SELECTOR_H__
@@ -26,6 +22,7 @@
 #include <glib.h>
 #include <glib-object.h>
 #include <gtk/gtkbutton.h>
+#include <gtk/gtkaction.h>
 #include <gtk/gtkarrow.h>
 #include <gtk/gtktreemodel.h>
 #include <gtk/gtktreemodelfilter.h>
@@ -49,7 +46,11 @@ typedef struct _PsppireSelectorClass  PsppireSelectorClass;
 /* Function for appending selected items to the destination widget */
 typedef void SelectItemsFunc (GtkTreeIter iter,
                              GtkWidget *dest,
-                             GtkTreeModel *source_model);
+                             GtkTreeModel *source_model,
+                             gpointer data);
+
+/* Function to determine if items may be selected */
+typedef gboolean AllowSelectionFunc (GtkWidget *src, GtkWidget *dest);
 
 
 /* Function to determine whether an item in MODEL, pointed to by ITER
@@ -74,16 +75,35 @@ struct _PsppireSelector
 
   /* <private> */
   GtkWidget *arrow;
+  GtkAction *action;
+
+  gboolean dispose_has_run;
 
   enum psppire_selector_dir direction;
+
   GtkWidget *source;
   GtkWidget *dest;
 
+  /* A flag indicating that the object is in the process of
+     updating its subjects.
+     (not thread safe if two threads access the same object)
+  */
+  gboolean selecting;
+
+  gint orientation;
 
   GtkTreeModelFilter *filtered_source;
 
   SelectItemsFunc *select_items;
+  gpointer select_user_data;
+
   FilterItemsFunc *filter;
+
+  AllowSelectionFunc *allow_selection;
+
+  gulong row_activate_id ;
+
+  gulong source_select_id ;
 };
 
 struct _PsppireSelectorClass
@@ -97,11 +117,36 @@ struct _PsppireSelectorClass
 
 GType      psppire_selector_get_type        (void);
 GtkWidget* psppire_selector_new             (void);
-void       psppire_selector_set_subjects    (PsppireSelector *,
-                                            GtkWidget *,
-                                            GtkWidget *,
-                                            SelectItemsFunc *,
-                                            FilterItemsFunc * );
+
+
+/* Set FILTER_FUNC for this selector */
+void psppire_selector_set_filter_func (PsppireSelector *selector,
+                                      FilterItemsFunc *filter_func);
+
+/* Set SELECT_FUNC for this selector */
+void psppire_selector_set_select_func (PsppireSelector *selector,
+                                      SelectItemsFunc *select_func,
+                                      gpointer user_data);
+
+
+void psppire_selector_set_allow (PsppireSelector *, AllowSelectionFunc *);
+
+
+GType psppire_selector_orientation_get_type (void) G_GNUC_CONST;
+
+
+typedef enum {
+  PSPPIRE_SELECT_SOURCE_BEFORE_DEST,
+  PSPPIRE_SELECT_SOURCE_AFTER_DEST,
+  PSPPIRE_SELECT_SOURCE_ABOVE_DEST,
+  PSPPIRE_SELECT_SOURCE_BELOW_DEST
+} PsppireSelectorOrientation;
+
+#define PSPPIRE_TYPE_SELECTOR_ORIENTATION \
+  (psppire_selector_orientation_get_type())
+
+
+
 G_END_DECLS
 
 #endif /* __PSPPIRE_SELECTOR_H__ */