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squeekboard/eek/eek-symbol-matrix.c
2019-08-01 20:25:01 +00:00

100 lines
3.3 KiB
C

/*
* 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;
guint 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);
// FIXME: do a deep copy over the data in EekSymbol
return retval;
}
void
eek_symbol_matrix_free (EekSymbolMatrix *matrix)
{
guint num_symbols = matrix->num_groups * matrix->num_levels;
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);
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];
}