5 Copyright (C) 1994, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
6 2007, 2008, 2009, 2010, 2011
7 The Free Software Foundation, Inc.
10 Andrew Borodin <aborodin@vmail.ru>, 2009
11 Slava Zanko <slavazanko@gmail.com>, 2009
12 Egmont Koblinger <egmont@gmail.com>, 2010
14 This file is part of the Midnight Commander.
16 The Midnight Commander is free software: you can redistribute it
17 and/or modify it under the terms of the GNU General Public License as
18 published by the Free Software Foundation, either version 3 of the License,
19 or (at your option) any later version.
21 The Midnight Commander is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program. If not, see <http://www.gnu.org/licenses/>.
31 * \brief Source: color setup
39 #include <sys/types.h> /* size_t */
41 #include "lib/global.h"
46 #include "color-internal.h"
48 /*** global variables ****************************************************************************/
50 static char *tty_color_defaults__fg
= NULL
;
51 static char *tty_color_defaults__bg
= NULL
;
52 static char *tty_color_defaults__attrs
= NULL
;
54 /* Set if we are actually using colors */
55 gboolean use_colors
= FALSE
;
57 /*** file scope macro definitions ****************************************************************/
59 /*** file scope type declarations ****************************************************************/
61 /*** file scope variables ************************************************************************/
63 static GHashTable
*mc_tty_color__hashtable
= NULL
;
65 /*** file scope functions ************************************************************************/
66 /* --------------------------------------------------------------------------------------------- */
69 tty_color_free_condition_cb (gpointer key
, gpointer value
, gpointer user_data
)
71 gboolean is_temp_color
;
72 tty_color_pair_t
*mc_color_pair
;
75 is_temp_color
= user_data
!= NULL
;
76 mc_color_pair
= (tty_color_pair_t
*) value
;
77 return (mc_color_pair
->is_temp
== is_temp_color
);
80 /* --------------------------------------------------------------------------------------------- */
83 tty_color_free_all (gboolean is_temp_color
)
85 g_hash_table_foreach_remove (mc_tty_color__hashtable
, tty_color_free_condition_cb
,
86 is_temp_color
? GINT_TO_POINTER (1) : NULL
);
89 /* --------------------------------------------------------------------------------------------- */
92 tty_color_get_next_cpn_cb (gpointer key
, gpointer value
, gpointer user_data
)
95 tty_color_pair_t
*mc_color_pair
;
98 cp
= GPOINTER_TO_INT (user_data
);
99 mc_color_pair
= (tty_color_pair_t
*) value
;
101 return (cp
== mc_color_pair
->pair_index
);
104 /* --------------------------------------------------------------------------------------------- */
107 tty_color_get_next__color_pair_number (void)
109 const size_t cp_count
= g_hash_table_size (mc_tty_color__hashtable
);
112 for (cp
= 0; cp
< cp_count
; cp
++)
113 if (g_hash_table_find (mc_tty_color__hashtable
, tty_color_get_next_cpn_cb
,
114 GINT_TO_POINTER (cp
)) == NULL
)
120 /* --------------------------------------------------------------------------------------------- */
121 /*** public functions ****************************************************************************/
122 /* --------------------------------------------------------------------------------------------- */
125 tty_init_colors (gboolean disable
, gboolean force
)
127 tty_color_init_lib (disable
, force
);
128 mc_tty_color__hashtable
= g_hash_table_new_full (g_str_hash
, g_str_equal
, g_free
, g_free
);
131 /* --------------------------------------------------------------------------------------------- */
134 tty_colors_done (void)
136 tty_color_deinit_lib ();
137 g_free (tty_color_defaults__fg
);
138 g_free (tty_color_defaults__bg
);
139 g_free (tty_color_defaults__attrs
);
141 g_hash_table_destroy (mc_tty_color__hashtable
);
144 /* --------------------------------------------------------------------------------------------- */
147 tty_use_colors (void)
152 /* --------------------------------------------------------------------------------------------- */
155 tty_try_alloc_color_pair2 (const char *fg
, const char *bg
, const char *attrs
,
156 gboolean is_temp_color
)
159 tty_color_pair_t
*mc_color_pair
;
162 if (fg
== NULL
|| !strcmp (fg
, "base"))
163 fg
= tty_color_defaults__fg
;
164 if (bg
== NULL
|| !strcmp (bg
, "base"))
165 bg
= tty_color_defaults__bg
;
166 if (attrs
== NULL
|| !strcmp (attrs
, "base"))
167 attrs
= tty_color_defaults__attrs
;
169 ifg
= tty_color_get_index_by_name (fg
);
170 ibg
= tty_color_get_index_by_name (bg
);
171 attr
= tty_attr_get_bits (attrs
);
173 color_pair
= g_strdup_printf ("%d.%d.%d", ifg
, ibg
, attr
);
174 if (color_pair
== NULL
)
178 (tty_color_pair_t
*) g_hash_table_lookup (mc_tty_color__hashtable
, (gpointer
) color_pair
);
180 if (mc_color_pair
!= NULL
)
183 return mc_color_pair
->pair_index
;
186 mc_color_pair
= g_try_new0 (tty_color_pair_t
, 1);
187 if (mc_color_pair
== NULL
)
193 mc_color_pair
->is_temp
= is_temp_color
;
194 mc_color_pair
->ifg
= ifg
;
195 mc_color_pair
->ibg
= ibg
;
196 mc_color_pair
->attr
= attr
;
197 mc_color_pair
->pair_index
= tty_color_get_next__color_pair_number ();
199 tty_color_try_alloc_pair_lib (mc_color_pair
);
201 g_hash_table_insert (mc_tty_color__hashtable
, (gpointer
) color_pair
, (gpointer
) mc_color_pair
);
203 return mc_color_pair
->pair_index
;
206 /* --------------------------------------------------------------------------------------------- */
209 tty_try_alloc_color_pair (const char *fg
, const char *bg
, const char *attrs
)
211 return tty_try_alloc_color_pair2 (fg
, bg
, attrs
, TRUE
);
214 /* --------------------------------------------------------------------------------------------- */
217 tty_color_free_all_tmp (void)
219 tty_color_free_all (TRUE
);
222 /* --------------------------------------------------------------------------------------------- */
225 tty_color_free_all_non_tmp (void)
227 tty_color_free_all (FALSE
);
230 /* --------------------------------------------------------------------------------------------- */
233 tty_color_set_defaults (const char *fgcolor
, const char *bgcolor
, const char *attrs
)
235 g_free (tty_color_defaults__fg
);
236 g_free (tty_color_defaults__bg
);
237 g_free (tty_color_defaults__attrs
);
239 tty_color_defaults__fg
= (fgcolor
!= NULL
) ? g_strdup (fgcolor
) : NULL
;
240 tty_color_defaults__bg
= (bgcolor
!= NULL
) ? g_strdup (bgcolor
) : NULL
;
241 tty_color_defaults__attrs
= (attrs
!= NULL
) ? g_strdup (attrs
) : NULL
;
244 /* --------------------------------------------------------------------------------------------- */