Miguel de Icaza
5ba51e992d
1999-11-14 Miguel de Icaza <miguel@gnu.org> * e-table-header-item.c (is_pointer_on_division): Add resizing capabilities. * e-table-sorted.c: Finish implementation. 1999-11-13 Miguel de Icaza <miguel@gnu.org> * e-table-sorted.c: Implement e-table-sorted object. 1999-11-12 Miguel de Icaza <miguel@gnu.org> * e-table-header-item.c: Make the thing configurable. * e-table-header-item.h: Add font field, location, height. svn path=/trunk/; revision=1388
91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
/*
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* E-table-sorted.c: Implements a table that sorts another table
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*
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* Author:
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* Miguel de Icaza (miguel@gnu.org)
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*
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* (C) 1999 Helix Code, Inc.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include "e-util.h"
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#include "e-table-sorted.h"
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#define PARENT_TYPE E_TABLE_MODEL_TYPE
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static ETableModelClass *ets_parent_class;
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static void
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ets_destroy (GtkObject *object)
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{
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ETableSorted *ets = E_TABLE_SORTED (object);
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gtk_object_unref (GTK_OBJECT (ets->source));
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gtk_object_unref (GTK_OBJECT (ets->header));
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free (ets->map_table);
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GTK_OBJECT_CLASS (ets_parent_class)->destroy (object);
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}
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static void
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ets_class_init (GtkObjectClass *klass)
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{
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ets_parent_class = gtk_type_class (PARENT_TYPE);
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klass->destroy = ets_destroy;
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}
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E_MAKE_TYPE(e_table_sorted, "ETableSorted", ETableSorted, ets_class_init, NULL, PARENT_TYPE);
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static ETableSorted *sort_ets;
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static int
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my_sort (const void *a, const void *b)
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{
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GCompareFunc comp;
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const int *ia = (const int *) a;
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const int *ib = (const int *) b;
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void *va, *vb;
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va = e_table_model_value_at (sort_ets->source, sort_ets->sort_idx, *ia);
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vb = e_table_model_value_at (sort_ets->source, sort_ets->sort_idx, *ib);
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comp = sort_ets->sort_col->compare;
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return (*comp) (va, vb);
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}
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ETableModel *
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e_table_sorted_new (ETableModel *source, ETableHeader *header, short sort_field)
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{
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ETableSorted *ets = gtk_type_new (E_TABLE_SORTED_TYPE);
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const int nvals = e_table_model_row_count (source);
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unsigned int *buffer;
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int i;
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buffer = malloc (sizeof (unsigned int *) * nvals);
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if (buffer = NULL)
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return NULL;
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ets->map_table = buffer;
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ets->n_map = nvals;
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ets->source = source;
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ets->header = header;
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ets->sort_col = e_table_header_get_column (header, sort_field);
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ets->sort_idx = sort_field;
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gtk_object_ref (GTK_OBJECT (source));
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gtk_object_ref (GTK_OBJECT (header));
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/* Init */
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for (i = 0; i < nvals; i++)
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ets->map_table [i] = i;
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/* Sort */
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g_assert (sort_ets == NULL);
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sort_ets = ets;
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qsort (ets->map_table, nvals, sizeof (unsigned int), my_sort);
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sort_ets = NULL;
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return (ETableModel *) ets;
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}
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