Move EekSymbolMatrix code from eek-types.[ch] to eek-symbol-matrix.[ch].

eek/eek-symbol-matrix.c

@@ -0,0 +1,105 @@
+/* 
+ * Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
+ * Copyright (C) 2011 Red Hat, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include "eek-symbol-matrix.h"
+
+EekSymbolMatrix *
+eek_symbol_matrix_new (gint num_groups,
+                       gint num_levels)
+{
+    EekSymbolMatrix *matrix = g_slice_new (EekSymbolMatrix);
+
+    matrix->num_groups = num_groups;
+    matrix->num_levels = num_levels;
+    matrix->data = g_slice_alloc0 (sizeof (EekSymbol *) *
+                                   num_groups * num_levels);
+    return matrix;
+}
+
+EekSymbolMatrix *
+eek_symbol_matrix_copy (const EekSymbolMatrix *matrix)
+{
+    EekSymbolMatrix *retval;
+    gint i, num_symbols = matrix->num_groups * matrix->num_levels;
+
+    retval = g_slice_dup (EekSymbolMatrix, matrix);
+    retval->data = g_slice_copy (sizeof (EekSymbol *) * num_symbols,
+                                 matrix->data);
+    for (i = 0; i < num_symbols; i++)
+        if (retval->data[i])
+            g_object_ref (retval->data[i]);
+    return retval;
+}
+
+void
+eek_symbol_matrix_free (EekSymbolMatrix *matrix)
+{
+    gint i, num_symbols = matrix->num_groups * matrix->num_levels;
+    for (i = 0; i < num_symbols; i++)
+        if (matrix->data[i])
+            g_object_unref (matrix->data[i]);
+    g_slice_free1 (sizeof (EekSymbol *) * num_symbols, matrix->data);
+    g_slice_free (EekSymbolMatrix, matrix);
+}
+
+GType
+eek_symbol_matrix_get_type (void)
+{
+    static GType our_type = 0;
+
+    if (our_type == 0)
+        our_type =
+            g_boxed_type_register_static ("EekSymbolMatrix",
+                                          (GBoxedCopyFunc)eek_symbol_matrix_copy,
+                                          (GBoxedFreeFunc)eek_symbol_matrix_free);
+    return our_type;
+}
+
+void
+eek_symbol_matrix_set_symbol (EekSymbolMatrix *matrix,
+                              gint             group,
+                              gint             level,
+                              EekSymbol       *symbol)
+{
+    g_return_if_fail (group >= 0 && group < matrix->num_groups);
+    g_return_if_fail (level >= 0 && level < matrix->num_levels);
+    g_return_if_fail (EEK_IS_SYMBOL(symbol));
+    matrix->data[group * matrix->num_levels + level] = g_object_ref (symbol);
+}
+
+/**
+ * eek_symbol_matrix_get_symbol:
+ * @matrix: an #EekSymbolMatrix
+ * @group: group index of @matrix
+ * @level: level index of @matrix
+ *
+ * Get an #EekSymbol stored in the cell selected by (@group, @level)
+ * in @matrix.
+ *
+ * Return value: (transfer none): an #EekSymbol.
+ */
+EekSymbol *
+eek_symbol_matrix_get_symbol (EekSymbolMatrix *matrix,
+                              gint             group,
+                              gint             level)
+{
+    g_return_val_if_fail (group >= 0 && group < matrix->num_groups, NULL);
+    g_return_val_if_fail (level >= 0 && level < matrix->num_levels, NULL);
+    return matrix->data[group * matrix->num_levels + level];
+}