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/**
* @file
* Configuration file handling functions
*/
/*
* Copyright (C) 2012 Otto-von-Guericke-Universität Magdeburg
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gdk/gdk.h>
#include "experiment-player.h"
static inline void set_default_string(const gchar *group_name, const gchar *key,
const gchar *string);
static const gchar *get_group_by_actor(const gchar *actor);
static GKeyFile *keyfile;
static gchar *filename = NULL;
void
config_init_key_file(void)
{
keyfile = g_key_file_new();
/* may fail if no serialized configuration exists */
g_key_file_load_from_data_dirs(keyfile, CONFIG_KEY_FILE, &filename,
G_KEY_FILE_KEEP_COMMENTS, NULL);
if (filename == NULL)
filename = g_build_filename(g_get_user_data_dir(),
CONFIG_KEY_FILE, NULL);
/* initialize defaults */
set_default_string("Directories", "Quick-Open", DEFAULT_QUICKOPEN_DIR);
set_default_string("Directories", "Formats", DEFAULT_FORMATS_DIR);
#ifdef DEFAULT_INTERACTIVE_FORMAT_FONT
set_default_string("Wizard Transcript", "Default-Format-Font",
DEFAULT_INTERACTIVE_FORMAT_FONT);
set_default_string("Proband Transcript", "Default-Format-Font",
DEFAULT_INTERACTIVE_FORMAT_FONT);
#endif
#ifdef DEFAULT_INTERACTIVE_FORMAT_FGCOLOR
set_default_string("Wizard Transcript", "Default-Format-Text-Color",
DEFAULT_INTERACTIVE_FORMAT_FGCOLOR);
set_default_string("Proband Transcript", "Default-Format-Text-Color",
DEFAULT_INTERACTIVE_FORMAT_FGCOLOR);
#endif
#ifdef DEFAULT_INTERACTIVE_FORMAT_BGCOLOR
set_default_string("Wizard Transcript", "Default-Format-BG-Color",
DEFAULT_INTERACTIVE_FORMAT_BGCOLOR);
set_default_string("Proband Transcript", "Default-Format-BG-Color",
DEFAULT_INTERACTIVE_FORMAT_BGCOLOR);
#endif
}
static inline void
set_default_string(const gchar *group_name, const gchar *key,
const gchar *string)
{
if (!g_key_file_has_key(keyfile, group_name, key, NULL))
g_key_file_set_string(keyfile, group_name, key, string);
}
void
config_set_quickopen_directory(const gchar *dir)
{
g_key_file_set_string(keyfile, "Directories", "Quick-Open", dir);
}
gchar *
config_get_quickopen_directory(void)
{
return g_key_file_get_string(keyfile, "Directories", "Quick-Open", NULL);
}
void
config_set_formats_directory(const gchar *dir)
{
g_key_file_set_string(keyfile, "Directories", "Formats", dir);
}
gchar *
config_get_formats_directory(void)
{
return g_key_file_get_string(keyfile, "Directories", "Formats", NULL);
}
static const gchar *
get_group_by_actor(const gchar *actor)
{
static gchar group[255];
g_snprintf(group, sizeof(group), "%s Transcript", actor);
return group;
}
/** @private */
void
config_generic_set_transcript_font(const gchar *actor, const gchar *key,
const PangoFontDescription *font)
{
const gchar *group = get_group_by_actor(actor);
if (font == NULL) {
g_key_file_remove_key(keyfile, group, key, NULL);
} else {
gchar *font_name = pango_font_description_to_string(font);
g_key_file_set_string(keyfile, group, key, font_name);
g_free(font_name);
}
}
/** @private */
PangoFontDescription *
config_generic_get_transcript_font(const gchar *actor, const gchar *key)
{
gchar *font_name;
PangoFontDescription *font_desc = NULL;
font_name = g_key_file_get_string(keyfile, get_group_by_actor(actor),
key, NULL);
if (font_name != NULL) {
font_desc = pango_font_description_from_string(font_name);
g_free(font_name);
}
return font_desc;
}
/** @private */
void
config_generic_set_transcript_color(const gchar *actor, const gchar *key,
const GdkColor *color)
{
const gchar *group = get_group_by_actor(actor);
if (color == NULL) {
g_key_file_remove_key(keyfile, group, key, NULL);
} else {
gchar *color_name = gdk_color_to_string(color);
g_key_file_set_string(keyfile, group, key, color_name);
g_free(color_name);
}
}
/** @private */
gboolean
config_generic_get_transcript_color(const gchar *actor, const gchar *key,
GdkColor *color)
{
gchar *color_name;
color_name = g_key_file_get_string(keyfile, get_group_by_actor(actor),
key, NULL);
if (color_name == NULL)
return FALSE;
gdk_color_parse(color_name, color);
g_free(color_name);
return TRUE;
}
void
config_set_transcript_alignment(const gchar *actor, PangoAlignment alignment)
{
static gchar **values = NULL;
if (values == NULL) {
gchar *possible_values;
pango_parse_enum(PANGO_TYPE_ALIGNMENT, "", NULL,
FALSE, &possible_values);
values = g_strsplit(possible_values, "/", 0);
g_free(possible_values);
}
g_key_file_set_string(keyfile, get_group_by_actor(actor),
"Widget-Alignment", values[alignment]);
}
PangoAlignment
config_get_transcript_alignment(const gchar *actor)
{
gchar *value;
gint alignment = (gint)PANGO_ALIGN_LEFT;
value = g_key_file_get_string(keyfile, get_group_by_actor(actor),
"Widget-Alignment", NULL);
if (value == NULL)
return PANGO_ALIGN_LEFT;
pango_parse_enum(PANGO_TYPE_ALIGNMENT, value, &alignment, FALSE, NULL);
g_free(value);
return (PangoAlignment)alignment;
}
void
config_save_key_file(void)
{
gchar *data;
gsize length;
FILE *file;
data = g_key_file_to_data(keyfile, &length, NULL);
file = g_fopen(filename, "w");
if (file != NULL) {
fwrite(data, (size_t)length, 1, file);
fclose(file);
}
g_free(data);
}
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