-/*
- PSPPIRE --- A Graphical User Interface for PSPP
- Copyright (C) 2004 Free Software Foundation
- Written by John Darrington
-
- 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
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- 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. */
-
-
-#include <string.h>
-#include <stdlib.h>
-
-#include "psppire-object.h"
-#include "psppire-case-array.h"
-
-#include <gtksheet/gtkextra-marshal.h>
-
-#include <data/case.h>
-
-/* --- prototypes --- */
-static void psppire_case_array_class_init (PsppireCaseArrayClass *class);
-static void psppire_case_array_init (PsppireCaseArray *case_array);
-static void psppire_case_array_finalize (GObject *object);
-
-
-/* --- variables --- */
-static GObjectClass *parent_class = NULL;
-
-enum {CASE_CHANGED,
- CASE_INSERTED,
- CASES_DELETED,
- n_SIGNALS};
-
-static guint signal[n_SIGNALS];
-
-
-/* --- functions --- */
-/**
- * psppire_case_array_get_type:
- * @returns: the type ID for accelerator groups.
- */
-GType
-psppire_case_array_get_type (void)
-{
- static GType object_type = 0;
-
- if (!object_type)
- {
- static const GTypeInfo object_info = {
- sizeof (PsppireCaseArrayClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) psppire_case_array_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (PsppireCaseArray),
- 0, /* n_preallocs */
- (GInstanceInitFunc) psppire_case_array_init,
- };
-
- object_type = g_type_register_static (G_TYPE_PSPPIRE_OBJECT, "PsppireCaseArray",
- &object_info, 0);
- }
-
- return object_type;
-}
-
-
-static void
-psppire_case_array_class_init (PsppireCaseArrayClass *class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (class);
-
- parent_class = g_type_class_peek_parent (class);
-
- object_class->finalize = psppire_case_array_finalize;
-
- signal[CASE_CHANGED] =
- g_signal_new ("case_changed",
- G_TYPE_FROM_CLASS(class),
- G_SIGNAL_RUN_FIRST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__INT,
- G_TYPE_NONE,
- 1,
- G_TYPE_INT);
-
-
- signal[CASE_INSERTED] =
- g_signal_new ("case_inserted",
- G_TYPE_FROM_CLASS(class),
- G_SIGNAL_RUN_FIRST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__INT,
- G_TYPE_NONE,
- 1,
- G_TYPE_INT);
-
-
- signal[CASES_DELETED] =
- g_signal_new ("cases_deleted",
- G_TYPE_FROM_CLASS(class),
- G_SIGNAL_RUN_FIRST,
- 0,
- NULL, NULL,
- gtkextra_VOID__INT_INT,
- G_TYPE_NONE,
- 2,
- G_TYPE_INT,
- G_TYPE_INT);
-}
-
-static void
-psppire_case_array_finalize (GObject *object)
-{
- PsppireCaseArray *ca = PSPPIRE_CASE_ARRAY (object);
-
- gint i;
- for (i = 0 ; i < ca->size; ++i )
- case_destroy(&ca->cases[i]);
-
- g_free (ca->cases);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static void
-psppire_case_array_init (PsppireCaseArray *ca)
-{
- ca->cases = 0;
- ca->size = 0;
-}
-
-/**
- * psppire_case_array_new:
- * @returns: a new #PsppireCaseArray object
- *
- * Creates a new #PsppireCaseArray.
- */
-PsppireCaseArray*
-psppire_case_array_new (gint capacity, gint width)
-{
- PsppireCaseArray *ca = g_object_new (G_TYPE_PSPPIRE_CASE_ARRAY, NULL);
-
- ca->capacity = capacity;
- ca->width = width;
-
- ca->cases = g_new0(struct ccase, capacity);
-
- return ca;
-}
-
-
-void
-psppire_case_array_resize(PsppireCaseArray *ca, gint new_size)
-{
- gint c;
-
- for (c = 0 ; c < ca->size ; ++c )
- case_resize(&ca->cases[c], ca->width, new_size);
-
- ca->width = new_size;
-}
-
-
-/* Append a case to the case array. If FILL_CASE_FUNC is not NULL,
- * then use it to populate the case */
-inline gboolean
-psppire_case_array_append_case(PsppireCaseArray *ca,
- psppire_case_array_fill_case_func fill_case_func,
- gpointer aux)
-{
- return psppire_case_array_insert_case(ca, ca->size, fill_case_func, aux);
-}
-
-
-gboolean
-psppire_case_array_iterate_case(PsppireCaseArray *ca,
- psppire_case_array_use_case_func use_case_func,
- gpointer aux)
-{
- gint i;
- g_return_val_if_fail(ca->size < ca->capacity, FALSE);
-
- for (i = 0 ; i < ca->size ; ++i )
- {
- if ( !use_case_func(&ca->cases[i], aux))
- return FALSE;
- }
-
- return TRUE;
-}
-
-
-/* Insert a new case before case POSN.
- * If FILL_CASE_FUNC is not NULL, then use it to populate the new case */
-gboolean
-psppire_case_array_insert_case(PsppireCaseArray *ca, gint posn,
- psppire_case_array_fill_case_func fill_case_func,
- gpointer aux)
-
-{
- gint i;
-
- g_return_val_if_fail(posn >= 0, FALSE);
- g_return_val_if_fail(posn <= ca->size, FALSE);
-
- g_return_val_if_fail(ca->size < ca->capacity, FALSE);
-
- for(i = ca->size; i > posn ; --i)
- case_move(&ca->cases[i], &ca->cases[i - 1]);
-
- case_create(&ca->cases[posn], ca->width);
-
- if ( fill_case_func && !fill_case_func(&ca->cases[posn], aux))
- return FALSE;
-
- ca->size++;
- g_signal_emit(ca, signal[CASE_INSERTED], 0, posn);
-
- return TRUE;
-}
-
-void
-psppire_case_array_delete_cases(PsppireCaseArray *ca, gint first, gint n_cases)
-{
- gint i;
-
- g_return_if_fail(n_cases > 0);
- g_return_if_fail(first >= 0);
- g_return_if_fail(first + n_cases < ca->size);
-
-
- /* FIXME: Is this right ?? */
- for ( i = first; i < first + n_cases ; ++i )
- case_destroy(&ca->cases[i]);
-
- for ( ; i < ca->size; ++i )
- case_move(&ca->cases[i - n_cases], &ca->cases[i]);
-
- ca->size -= n_cases;
- g_signal_emit(ca, signal[CASES_DELETED], 0, first, n_cases);
-}
-
-
-gint
-psppire_case_array_get_n_cases(const PsppireCaseArray *ca)
-{
- return ca->size;
-}
-
-/* Clears the contents of CA */
-void
-psppire_case_array_clear(PsppireCaseArray *ca)
-{
- gint c;
- for (c = 0 ; c < ca->size ; ++c )
- case_destroy(&ca->cases[c]);
-
- ca->size = 0;
-
- g_signal_emit(ca, signal[CASES_DELETED], 0, 0, c);
-}
-
-/* Return the IDXth value from case C */
-const union value *
-psppire_case_array_get_value(const PsppireCaseArray *ca, gint c, gint idx)
-{
- g_return_val_if_fail(c < ca->size, NULL);
-
- return case_data(&ca->cases[c], idx);
-}
-
-
-/* Set the IDXth value of case C using FF and DATA */
-void
-psppire_case_array_set_value(PsppireCaseArray *ca, gint c, gint idx,
- value_fill_func_t ff,
- gpointer data)
-{
- struct ccase *cc ;
- union value *val ;
- gboolean changed ;
-
- g_return_if_fail(c < ca->size);
-
- cc = &ca->cases[c];
-
- val = case_data_rw(cc, idx);
-
- changed = ff(val, data);
-
- case_unshare(cc);
-
- if ( changed )
- g_signal_emit(ca, signal[CASE_CHANGED], 0, c);
-
-}
projects / pspp-builds.git / commitdiff