2 PSPPIRE --- A Graphical User Interface for PSPP
3 Copyright (C) 2004 Free Software Foundation
4 Written by John Darrington
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 #include "psppire-object.h"
26 #include "psppire-case-array.h"
27 #include "gtkextra-marshal.h"
31 /* --- prototypes --- */
32 static void psppire_case_array_class_init (PsppireCaseArrayClass *class);
33 static void psppire_case_array_init (PsppireCaseArray *case_array);
34 static void psppire_case_array_finalize (GObject *object);
37 /* --- variables --- */
38 static GObjectClass *parent_class = NULL;
45 static guint signal[n_SIGNALS];
48 /* --- functions --- */
50 * psppire_case_array_get_type:
51 * @returns: the type ID for accelerator groups.
54 psppire_case_array_get_type (void)
56 static GType object_type = 0;
60 static const GTypeInfo object_info = {
61 sizeof (PsppireCaseArrayClass),
63 (GBaseFinalizeFunc) NULL,
64 (GClassInitFunc) psppire_case_array_class_init,
65 NULL, /* class_finalize */
66 NULL, /* class_data */
67 sizeof (PsppireCaseArray),
69 (GInstanceInitFunc) psppire_case_array_init,
72 object_type = g_type_register_static (G_TYPE_PSPPIRE_OBJECT, "PsppireCaseArray",
81 psppire_case_array_class_init (PsppireCaseArrayClass *class)
83 GObjectClass *object_class = G_OBJECT_CLASS (class);
85 parent_class = g_type_class_peek_parent (class);
87 object_class->finalize = psppire_case_array_finalize;
89 signal[CASE_CHANGED] =
90 g_signal_new ("case_changed",
91 G_TYPE_FROM_CLASS(class),
95 g_cclosure_marshal_VOID__INT,
101 signal[CASE_INSERTED] =
102 g_signal_new ("case_inserted",
103 G_TYPE_FROM_CLASS(class),
107 g_cclosure_marshal_VOID__INT,
113 signal[CASES_DELETED] =
114 g_signal_new ("cases_deleted",
115 G_TYPE_FROM_CLASS(class),
119 gtkextra_VOID__INT_INT,
127 psppire_case_array_finalize (GObject *object)
129 PsppireCaseArray *ca = PSPPIRE_CASE_ARRAY (object);
132 for (i = 0 ; i < ca->size; ++i )
133 case_destroy(&ca->cases[i]);
137 G_OBJECT_CLASS (parent_class)->finalize (object);
141 psppire_case_array_init (PsppireCaseArray *ca)
148 * psppire_case_array_new:
149 * @returns: a new #PsppireCaseArray object
151 * Creates a new #PsppireCaseArray.
154 psppire_case_array_new (gint capacity, gint width)
156 PsppireCaseArray *ca = g_object_new (G_TYPE_PSPPIRE_CASE_ARRAY, NULL);
158 ca->capacity = capacity;
161 ca->cases = g_new0(struct ccase, capacity);
168 psppire_case_array_resize(PsppireCaseArray *ca, gint new_size)
172 for (c = 0 ; c < ca->size ; ++c )
173 case_resize(&ca->cases[c], ca->width, new_size);
175 ca->width = new_size;
178 /* FIXME: add_case and insert_case need to be merged/refactored */
180 psppire_case_array_add_case(PsppireCaseArray *ca,
181 psppire_case_array_fill_case_func fill_case_func,
184 g_return_val_if_fail(ca->size < ca->capacity, FALSE);
186 case_create(&ca->cases[ca->size], ca->width);
188 if ( !fill_case_func(&ca->cases[ca->size], aux))
193 g_signal_emit(ca, signal[CASE_INSERTED], 0, ca->size - 1);
200 psppire_case_array_iterate_case(PsppireCaseArray *ca,
201 psppire_case_array_use_case_func use_case_func,
205 g_return_val_if_fail(ca->size < ca->capacity, FALSE);
207 for (i = 0 ; i < ca->size ; ++i )
209 if ( !use_case_func(&ca->cases[i], aux))
218 psppire_case_array_insert_case(PsppireCaseArray *ca, gint posn)
220 g_return_if_fail(posn >= 0);
221 g_return_if_fail(posn <= ca->size);
223 g_assert(ca->size + 1 <= ca->capacity);
227 for(i = ca->size; i > posn ; --i)
228 case_move(&ca->cases[i], &ca->cases[i - 1]);
230 case_create(&ca->cases[posn], ca->width);
233 g_signal_emit(ca, signal[CASE_INSERTED], 0, posn);
237 psppire_case_array_delete_cases(PsppireCaseArray *ca, gint first, gint n_cases)
239 g_return_if_fail(n_cases > 0);
240 g_return_if_fail(first >= 0);
241 g_return_if_fail(first + n_cases < ca->size);
245 /* FIXME: Is this right ?? */
246 for ( i = first; i < first + n_cases ; ++i )
247 case_destroy(&ca->cases[i]);
249 for ( ; i < ca->size; ++i )
250 case_move(&ca->cases[i - n_cases], &ca->cases[i]);
253 g_signal_emit(ca, signal[CASES_DELETED], 0, first, n_cases);
258 psppire_case_array_get_n_cases(const PsppireCaseArray *ca)
263 /* Clears the contents of CA */
265 psppire_case_array_clear(PsppireCaseArray *ca)
268 for (c = 0 ; c < ca->size ; ++c )
269 case_destroy(&ca->cases[c]);
273 g_signal_emit(ca, signal[CASES_DELETED], 0, 0, c);
276 /* Return the IDXth value from case C */
278 psppire_case_array_get_value(const PsppireCaseArray *ca, gint c, gint idx)
280 g_return_val_if_fail(c < ca->size, NULL);
282 return case_data(&ca->cases[c], idx);
286 /* Set the IDXth value of case C using FF and DATA */
288 psppire_case_array_set_value(PsppireCaseArray *ca, gint c, gint idx,
289 value_fill_func_t ff,
292 g_return_if_fail(c < ca->size);
294 struct ccase *cc = &ca->cases[c];
296 union value *val = case_data_rw(cc, idx);
298 gboolean changed = ff(val, data);
303 g_signal_emit(ca, signal[CASE_CHANGED], 0, c);