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cd53325f RN |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
8339c44d EB |
21 | #include <gtk/gtk.h> |
22 | #include <glib/gi18n.h> | |
23 | #include <string.h> | |
8c060406 | 24 | #include <stdio.h> |
6af463da | 25 | #include <glib/gstdio.h> |
8339c44d | 26 | #include "preferences.h" |
29f1598c | 27 | #include "dir.h" |
8339c44d | 28 | #include "file.h" |
0da89d90 | 29 | #include "util.h" |
8339c44d | 30 | |
8339c44d EB |
31 | // TODO: STRING_LIST |
32 | // TODO: share code in file reading | |
33 | // TODO: remove hackaround in show_window | |
8339c44d EB |
34 | |
35 | #define VIKING_PREFS_FILE "viking.prefs" | |
36 | ||
8339c44d EB |
37 | static GPtrArray *params; |
38 | static GHashTable *values; | |
a5c8699d EB |
39 | gboolean loaded; |
40 | ||
41 | /************ groups *********/ | |
42 | ||
43 | static GPtrArray *groups_names; | |
44 | static GHashTable *groups_keys_to_indices; // contains gint, NULL (0) is not found, instead 1 is used for 0, 2 for 1, etc. | |
45 | ||
46 | static void preferences_groups_init() | |
47 | { | |
48 | groups_names = g_ptr_array_new(); | |
49 | groups_keys_to_indices = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, NULL ); | |
50 | } | |
51 | ||
52 | static void preferences_groups_uninit() | |
53 | { | |
54 | g_ptr_array_free ( groups_names, TRUE ); | |
55 | g_hash_table_destroy ( groups_keys_to_indices ); | |
56 | } | |
57 | ||
58 | void a_preferences_register_group ( const gchar *key, const gchar *name ) | |
59 | { | |
60 | if ( g_hash_table_lookup ( groups_keys_to_indices, key ) ) | |
24ff9c7b | 61 | g_critical("Duplicate preferences group keys"); |
a5c8699d EB |
62 | else { |
63 | g_ptr_array_add ( groups_names, g_strdup(name) ); | |
dc2c040e | 64 | g_hash_table_insert ( groups_keys_to_indices, g_strdup(key), GINT_TO_POINTER ( (gint) groups_names->len ) ); /* index + 1 */ |
a5c8699d EB |
65 | } |
66 | } | |
67 | ||
68 | /* returns -1 if not found. */ | |
69 | static gint16 preferences_groups_key_to_index( const gchar *key ) | |
70 | { | |
dc2c040e | 71 | gint index = GPOINTER_TO_INT ( g_hash_table_lookup ( groups_keys_to_indices, key ) ); |
a5c8699d EB |
72 | if ( ! index ) |
73 | return VIK_LAYER_GROUP_NONE; /* which should be -1 anyway */ | |
74 | return (gint16) (index - 1); | |
75 | } | |
76 | ||
77 | /*****************************/ | |
8339c44d | 78 | |
8339c44d EB |
79 | static gboolean preferences_load_from_file() |
80 | { | |
81 | gchar *fn = g_build_filename(a_get_viking_dir(), VIKING_PREFS_FILE, NULL); | |
8c060406 | 82 | FILE *f = g_fopen(fn, "r"); |
8339c44d EB |
83 | g_free ( fn ); |
84 | ||
85 | if ( f ) { | |
86 | gchar buf[4096]; | |
87 | gchar *key, *val; | |
88 | VikLayerTypedParamData *oldval, *newval; | |
89 | while ( ! feof (f) ) { | |
f61ca8cb JB |
90 | if (fgets(buf,sizeof(buf),f) == NULL) |
91 | break; | |
0da89d90 | 92 | if ( split_string_from_file_on_equals ( buf, &key, &val ) ) { |
8339c44d EB |
93 | // if it's not in there, ignore it |
94 | oldval = g_hash_table_lookup ( values, key ); | |
95 | if ( ! oldval ) { | |
96 | g_free(key); | |
0da89d90 | 97 | g_free(val); |
8339c44d EB |
98 | continue; |
99 | } | |
100 | ||
101 | // otherwise change it (you know the type!) | |
102 | // if it's a string list do some funky stuff ... yuck... not yet. | |
103 | if ( oldval->type == VIK_LAYER_PARAM_STRING_LIST ) | |
24ff9c7b | 104 | g_critical ( "Param strings not implemented in preferences"); // fake it |
8339c44d | 105 | |
176e0989 | 106 | newval = vik_layer_data_typed_param_copy_from_string ( oldval->type, val ); |
8339c44d EB |
107 | g_hash_table_insert ( values, key, newval ); |
108 | ||
a5c8699d | 109 | g_free(key); |
0da89d90 | 110 | g_free(val); |
8339c44d EB |
111 | // change value |
112 | } | |
113 | } | |
114 | fclose(f); | |
8c060406 | 115 | f = NULL; |
8339c44d EB |
116 | return TRUE; |
117 | } | |
118 | return FALSE; | |
119 | } | |
120 | ||
121 | static void preferences_run_setparam ( gpointer notused, guint16 i, VikLayerParamData data, VikLayerParam *params ) | |
122 | { | |
123 | if ( params[i].type == VIK_LAYER_PARAM_STRING_LIST ) | |
24ff9c7b | 124 | g_critical ( "Param strings not implemented in preferences"); //fake it |
176e0989 | 125 | g_hash_table_insert ( values, (gchar *)(params[i].name), vik_layer_typed_param_data_copy_from_data(params[i].type, data) ); |
8339c44d EB |
126 | } |
127 | ||
45e2a963 RN |
128 | /* Allow preferences to be manipulated externally */ |
129 | void a_preferences_run_setparam ( VikLayerParamData data, VikLayerParam *params ) | |
130 | { | |
131 | preferences_run_setparam (NULL, 0, data, params); | |
132 | } | |
133 | ||
153af709 | 134 | static VikLayerParamData preferences_run_getparam ( gpointer notused, guint16 i, gboolean notused2 ) |
8339c44d EB |
135 | { |
136 | VikLayerTypedParamData *val = (VikLayerTypedParamData *) g_hash_table_lookup ( values, ((VikLayerParam *)g_ptr_array_index(params,i))->name ); | |
137 | g_assert ( val != NULL ); | |
138 | if ( val->type == VIK_LAYER_PARAM_STRING_LIST ) | |
24ff9c7b | 139 | g_critical ( "Param strings not implemented in preferences"); //fake it |
8339c44d EB |
140 | return val->data; |
141 | } | |
142 | ||
143 | /* TRUE on success */ | |
45e2a963 | 144 | gboolean a_preferences_save_to_file() |
8339c44d EB |
145 | { |
146 | gchar *fn = g_build_filename(a_get_viking_dir(), VIKING_PREFS_FILE, NULL); | |
147 | ||
148 | // TODO: error checking | |
8c060406 | 149 | FILE *f = g_fopen(fn, "w"); |
3e9ca23e GS |
150 | /* Since preferences files saves OSM login credentials, |
151 | * it'll be better to store it in secret. | |
152 | */ | |
153 | g_chmod(fn, 0600); | |
8339c44d EB |
154 | g_free ( fn ); |
155 | ||
156 | if ( f ) { | |
157 | VikLayerParam *param; | |
158 | VikLayerTypedParamData *val; | |
159 | int i; | |
160 | for ( i = 0; i < params->len; i++ ) { | |
161 | param = (VikLayerParam *) g_ptr_array_index(params,i); | |
162 | val = (VikLayerTypedParamData *) g_hash_table_lookup ( values, param->name ); | |
163 | g_assert ( val != NULL ); | |
164 | file_write_layer_param ( f, param->name, val->type, val->data ); | |
165 | } | |
166 | fclose(f); | |
8c060406 | 167 | f = NULL; |
8339c44d EB |
168 | return TRUE; |
169 | } | |
170 | ||
171 | return FALSE; | |
172 | } | |
173 | ||
174 | ||
175 | void a_preferences_show_window(GtkWindow *parent) { | |
176 | //VikLayerParamData *a_uibuilder_run_dialog ( GtkWindow *parent, VikLayerParam \*params, // guint16 params_count, gchar **groups, guint8 groups_count, // VikLayerParamData *params_defaults ) | |
177 | // TODO: THIS IS A MAJOR HACKAROUND, but ok when we have only a couple preferences. | |
178 | gint params_count = params->len; | |
179 | VikLayerParam *contiguous_params = g_new(VikLayerParam,params_count); | |
180 | int i; | |
181 | for ( i = 0; i < params->len; i++ ) { | |
182 | contiguous_params[i] = *((VikLayerParam*)(g_ptr_array_index(params,i))); | |
183 | } | |
a5c8699d | 184 | loaded = TRUE; |
8339c44d | 185 | preferences_load_from_file(); |
13fde155 | 186 | if ( a_uibuilder_properties_factory ( _("Preferences"), parent, contiguous_params, params_count, |
a5c8699d | 187 | (gchar **) groups_names->pdata, groups_names->len, // groups, groups_count, // groups? what groups?! |
153af709 | 188 | (gboolean (*) (gpointer,guint16,VikLayerParamData,gpointer,gboolean)) preferences_run_setparam, |
8339c44d EB |
189 | NULL /* not used */, contiguous_params, |
190 | preferences_run_getparam, NULL /* not used */ ) ) { | |
45e2a963 | 191 | a_preferences_save_to_file(); |
8339c44d EB |
192 | } |
193 | g_free ( contiguous_params ); | |
194 | } | |
195 | ||
a5c8699d | 196 | void a_preferences_register(VikLayerParam *pref, VikLayerParamData defaultval, const gchar *group_key ) |
8339c44d EB |
197 | { |
198 | /* copy value */ | |
a5c8699d EB |
199 | VikLayerParam *newpref = g_new(VikLayerParam,1); |
200 | *newpref = *pref; | |
176e0989 | 201 | VikLayerTypedParamData *newval = vik_layer_typed_param_data_copy_from_data(pref->type, defaultval); |
a5c8699d EB |
202 | if ( group_key ) |
203 | newpref->group = preferences_groups_key_to_index ( group_key ); | |
8339c44d | 204 | |
a5c8699d | 205 | g_ptr_array_add ( params, newpref ); |
8339c44d EB |
206 | g_hash_table_insert ( values, (gchar *)pref->name, newval ); |
207 | } | |
208 | ||
209 | void a_preferences_init() | |
210 | { | |
a5c8699d EB |
211 | preferences_groups_init(); |
212 | ||
8339c44d EB |
213 | /* not copied */ |
214 | params = g_ptr_array_new (); | |
215 | ||
216 | /* key not copied (same ptr as in pref), actual param data yes */ | |
176e0989 | 217 | values = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, vik_layer_typed_param_data_free); |
8339c44d | 218 | |
a5c8699d | 219 | loaded = FALSE; |
8339c44d EB |
220 | } |
221 | ||
222 | void a_preferences_uninit() | |
223 | { | |
a5c8699d EB |
224 | preferences_groups_uninit(); |
225 | ||
226 | g_ptr_array_free ( params, TRUE ); | |
8339c44d EB |
227 | g_hash_table_destroy ( values ); |
228 | } | |
229 | ||
230 | ||
231 | ||
232 | VikLayerParamData *a_preferences_get(const gchar *key) | |
233 | { | |
a5c8699d EB |
234 | if ( ! loaded ) { |
235 | /* since we can't load the file in a_preferences_init (no params registered yet), | |
236 | * do it once before we get the first key. */ | |
237 | preferences_load_from_file(); | |
238 | loaded = TRUE; | |
239 | } | |
8339c44d EB |
240 | return g_hash_table_lookup ( values, key ); |
241 | } |