100 lines
4.2 KiB
C
100 lines
4.2 KiB
C
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/* GTK - The GIMP Toolkit
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* Copyright (C) 2015 Takao Fujiwara <takao.fujiwara1@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <glib.h>
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G_BEGIN_DECLS
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typedef struct _GtkComposeTable GtkComposeTable;
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typedef struct _GtkComposeTableCompact GtkComposeTableCompact;
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/* The layout of the data is as follows:
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*
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* The first part of the data contains rows of length max_seq_len + 1,
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* where the first element is the item of the sequence, and the
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* following elements are offsets to the data for sequences that
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* start with the first item of length 1, ..., max_seq_len.
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*
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* The second part of the data contains the rest of the sequence
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* data. It does not have a fixed stride. For each sequence, we
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* put seq[2], ..., seq[len - 1], followed by the encoded value
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* for this sequence. In particular for a sequence of length 1,
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* the offset points directly to the value.
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*
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* The values are encoded as follows:
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*
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* If the value is a single Unicode character smaller than 0x8000,
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* then we place it directly. Otherwise, we put the UTF8-encoded
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* value in the char_data array, and use offset | 0x8000 as the
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* encoded value.
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*/
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struct _GtkComposeTable
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{
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guint16 *data;
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char *char_data;
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int max_seq_len;
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int n_index_size;
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int data_size;
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int n_chars;
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int n_sequences;
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guint32 id;
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};
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GtkComposeTable * gtk_compose_table_new_with_file (const char *compose_file);
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GtkComposeTable * gtk_compose_table_parse (const char *compose_file,
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gboolean *found_include);
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GtkComposeTable * gtk_compose_table_new_with_data (const guint16 *data,
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int max_seq_len,
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int n_seqs);
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typedef void (* GtkComposeSequenceCallback) (gunichar *sequence,
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int len,
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const char *value,
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gpointer data);
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void gtk_compose_table_foreach (const GtkComposeTable *table,
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GtkComposeSequenceCallback callback,
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gpointer data);
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gboolean gtk_compose_table_check (const GtkComposeTable *table,
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const guint *compose_buffer,
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int n_compose,
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gboolean *compose_finish,
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gboolean *compose_match,
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GString *output);
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void gtk_compose_table_get_prefix (const GtkComposeTable *table,
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const guint *compose_buffer,
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int n_compose,
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int *prefix);
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gboolean gtk_check_algorithmically (const guint *compose_buffer,
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int n_compose,
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GString *output);
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guint32 gtk_compose_table_data_hash (const guint16 *data,
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int max_seq_len,
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int n_seqs);
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char * gtk_compose_table_get_x11_compose_file_dir (void);
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G_END_DECLS
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