1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2007 Free Software Foundation
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
18 #ifndef __PSPPIRE_SELECTOR_H__
19 #define __PSPPIRE_SELECTOR_H__
23 #include <glib-object.h>
24 #include <gtk/gtkbutton.h>
25 #include <gtk/gtkaction.h>
26 #include <gtk/gtkarrow.h>
27 #include <gtk/gtktreemodel.h>
28 #include <gtk/gtktreemodelfilter.h>
32 #define PSPPIRE_SELECTOR_TYPE (psppire_selector_get_type ())
33 #define PSPPIRE_SELECTOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PSPPIRE_SELECTOR_TYPE, PsppireSelector))
34 #define PSPPIRE_SELECTOR_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
35 PSPPIRE_SELECTOR_TYPE, PsppireSelectorClass))
36 #define PSPPIRE_IS_SELECTOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
37 PSPPIRE_SELECTOR_TYPE))
38 #define PSPPIRE_IS_SELECTOR_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
39 PSPPIRE_SELECTOR_TYPE))
42 typedef struct _PsppireSelector PsppireSelector;
43 typedef struct _PsppireSelectorClass PsppireSelectorClass;
46 /* Function for appending selected items to the destination widget */
47 typedef void SelectItemsFunc (GtkTreeIter iter,
49 GtkTreeModel *source_model);
51 /* Function to determine if items may be selected */
52 typedef gboolean AllowSelectionFunc (GtkWidget *src, GtkWidget *dest);
55 /* Function to determine whether an item in MODEL, pointed to by ITER
56 is currently selected.
58 Returns TRUE if the item is currently selected, FALSE otherwise.
60 typedef gboolean FilterItemsFunc (GtkTreeModel *model,
62 PsppireSelector *selector);
64 enum psppire_selector_dir
66 PSPPIRE_SELECTOR_SOURCE_TO_DEST,
67 PSPPIRE_SELECTOR_DEST_TO_SOURCE
71 struct _PsppireSelector
79 enum psppire_selector_dir direction;
83 /* A flag indicating that the object is in the process of
84 updating its subjects.
85 (not thread safe if two threads access the same object)
91 GtkTreeModelFilter *filtered_source;
93 SelectItemsFunc *select_items;
94 FilterItemsFunc *filter;
96 AllowSelectionFunc *allow_selection;
99 struct _PsppireSelectorClass
101 GtkButtonClass parent_class;
103 /* This is a hash of Lists of FilterItemsFunc pointers, keyed by address of
105 GHashTable *source_hash;
108 GType psppire_selector_get_type (void);
109 GtkWidget* psppire_selector_new (void);
110 void psppire_selector_set_subjects (PsppireSelector *,
116 void psppire_selector_set_allow (PsppireSelector *, AllowSelectionFunc *);
119 GType psppire_selector_orientation_get_type (void) G_GNUC_CONST;
123 PSPPIRE_SELECT_SOURCE_BEFORE_DEST,
124 PSPPIRE_SELECT_SOURCE_AFTER_DEST,
125 PSPPIRE_SELECT_SOURCE_ABOVE_DEST,
126 PSPPIRE_SELECT_SOURCE_BELOW_DEST
127 } PsppireSelectorOrientation;
129 #define G_TYPE_PSPPIRE_SELECTOR_ORIENTATION \
130 (psppire_selector_orientation_get_type())
136 #endif /* __PSPPIRE_SELECTOR_H__ */