Change "union value" to dynamically allocate long strings.

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

diff --git a/src/ui/gui/psppire-data-store.h b/src/ui/gui/psppire-data-store.h
index 508f0cd68800079360ea483743b658e672bc5ce8..610b6b45071bfb48a457aa7d841d98a81f394353 100644 (file)
--- a/src/ui/gui/psppire-data-store.h
+++ b/src/ui/gui/psppire-data-store.h
@@ -1,12 +1,9 @@
-/* psppire-data-store.h
- 
-   PSPPIRE --- A Graphical User Interface for PSPP
-   Copyright (C) 2006  Free Software Foundation
-   Written by John Darrington
+/* PSPPIRE - a graphical user interface for PSPP.
+   Copyright (C) 2006, 2009  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,
@@ -15,35 +12,38 @@
    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_DATA_STORE_H__
 #define __PSPPIRE_DATA_STORE_H__
 
-#include "gsheetmodel.h"
 #include "psppire-dict.h"
-#include "psppire-case-array.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+#define FIRST_CASE_NUMBER 1
+
+
+G_BEGIN_DECLS
 
 #define GTK_TYPE_DATA_STORE           (psppire_data_store_get_type ())
 
-#define PSPPIRE_DATA_STORE(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+#define PSPPIRE_DATA_STORE(obj)        \
+                     (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
                                                                    GTK_TYPE_DATA_STORE, PsppireDataStore))
 
-#define PSPPIRE_DATA_STORE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), \
+#define PSPPIRE_DATA_STORE_CLASS(klass) \
+                     (G_TYPE_CHECK_CLASS_CAST ((klass), \
                                                                 GTK_TYPE_DATA_STORE, \
                                                                  PsppireDataStoreClass))
 
-#define PSPPIRE_IS_DATA_STORE(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_DATA_STORE))
 
-#define PSPPIRE_IS_DATA_STORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_DATA_STORE))
+#define PSPPIRE_IS_DATA_STORE(obj) \
+                    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_DATA_STORE))
+
+#define PSPPIRE_IS_DATA_STORE_CLASS(klass) \
+                     (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_DATA_STORE))
 
-#define PSPPIRE_DATA_STORE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+#define PSPPIRE_DATA_STORE_GET_CLASS(obj) \
+                     (G_TYPE_INSTANCE_GET_CLASS ((obj), \
                                                                   GTK_TYPE_DATA_STORE, \
                                                                   PsppireDataStoreClass))
 
@@ -52,50 +52,87 @@ typedef struct _PsppireDataStoreClass  PsppireDataStoreClass;
 
 struct dictionary;
 
+
+enum dict_signal_handler {
+  VARIABLE_INSERTED,
+  VARIABLE_CHANGED,
+  VARIABLE_DELETED,
+  SIZE_CHANGED,
+  n_dict_signals
+};
+
+
+struct datasheet;
+struct casereader;
+
 struct _PsppireDataStore
 {
   GObject parent;
 
   /*< private >*/
+  gboolean dispose_has_run ;
   PsppireDict *dict;
-  PsppireCaseArray *cases;
-  PangoFontDescription *font_desc;
+  struct datasheet *datasheet;
+
   gboolean show_labels;
 
-  /* Geometry */
-  gint margin_width;
+  //  gint cf_handler_id [n_cf_signals];
+  gint dict_handler_id [n_dict_signals];
 };
 
 struct _PsppireDataStoreClass
 {
   GObjectClass parent_class;
-
-  /* Padding for future expansion */
-  void (*_gtk_reserved1) (void);
-  void (*_gtk_reserved2) (void);
-  void (*_gtk_reserved3) (void);
-  void (*_gtk_reserved4) (void);
 };
 
 
-inline GType psppire_data_store_get_type (void) G_GNUC_CONST;
-PsppireDataStore *psppire_data_store_new     (PsppireDict *dict, PsppireCaseArray *cases);
+GType psppire_data_store_get_type (void) G_GNUC_CONST;
+PsppireDataStore *psppire_data_store_new     (PsppireDict *dict);
+
+
+void psppire_data_store_set_reader (PsppireDataStore *ds,
+                                   struct casereader *reader);
+
+void psppire_data_store_set_dictionary (PsppireDataStore *data_store,
+                                       PsppireDict *dict);
+
+void psppire_data_store_show_labels (PsppireDataStore *store,
+                                    gboolean show_labels);
+
+void psppire_data_store_clear (PsppireDataStore *data_store);
+
+gboolean psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn);
+
+
+gboolean psppire_data_store_delete_cases (PsppireDataStore *ds, casenumber first, casenumber count);
+
+
+struct casereader * psppire_data_store_get_reader (PsppireDataStore *ds);
+
+gchar * psppire_data_store_get_string (PsppireDataStore *ds,
+                                      casenumber row, glong column);
+
+gboolean psppire_data_store_set_string (PsppireDataStore *ds,
+                                       const gchar *text,
+                                       glong row, glong column);
+
+
+gboolean psppire_data_store_filtered (PsppireDataStore *ds,
+                                     glong row);
 
-void psppire_data_store_set_dictionary(PsppireDataStore *data_store, PsppireDict *dict);
-void psppire_data_store_set_font(PsppireDataStore *store, PangoFontDescription *fd);
 
-void psppire_data_store_show_labels(PsppireDataStore *store, gboolean show_labels);
+casenumber psppire_data_store_get_case_count (const PsppireDataStore *ds);
+size_t psppire_data_store_get_value_count (const PsppireDataStore *ds);
+const struct caseproto *psppire_data_store_get_proto (const PsppireDataStore *);
 
+\f
 
-struct file_handle;
+struct ccase *psppire_data_store_get_case (const PsppireDataStore *ds,
+                                           casenumber casenum);
 
-void psppire_data_store_create_system_file(PsppireDataStore *store,
-                                  struct file_handle *handle);
 
 
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
 
+G_END_DECLS
 
 #endif /* __PSPPIRE_DATA_STORE_H__ */