lib/skin/colors.c

   1 /*
   2    Skins engine.
   3    Work with colors
   4
   5    Copyright (C) 2009-2014
   6    Free Software Foundation, Inc.
   7
   8    Written by:
   9    Slava Zanko <slavazanko@gmail.com>, 2009
  10    Egmont Koblinger <egmont@gmail.com>, 2010
  11    Andrew Borodin <aborodin@vmail.ru>, 2012
  12
  13    This file is part of the Midnight Commander.
  14
  15    The Midnight Commander is free software: you can redistribute it
  16    and/or modify it under the terms of the GNU General Public License as
  17    published by the Free Software Foundation, either version 3 of the License,
  18    or (at your option) any later version.
  19
  20    The Midnight Commander is distributed in the hope that it will be useful,
  21    but WITHOUT ANY WARRANTY; without even the implied warranty of
  22    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23    GNU General Public License for more details.
  24
  25    You should have received a copy of the GNU General Public License
  26    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  27  */
  28
  29 #include <config.h>
  30 #include <string.h>
  31
  32 #include "internal.h"
  33
  34 #include "lib/tty/color.h"
  35
  36 /*** global variables ****************************************************************************/
  37
  38 int mc_skin_color__cache[MC_SKIN_COLOR_CACHE_COUNT];
  39
  40 /*** file scope macro definitions ****************************************************************/
  41
  42 /*** file scope type declarations ****************************************************************/
  43
  44 /*** file scope variables ************************************************************************/
  45
  46 /*** file scope functions ************************************************************************/
  47
  48 static mc_skin_color_t *
  49 mc_skin_color_get_from_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
  50 {
  51     gchar kname[BUF_TINY];
  52     mc_skin_color_t *mc_skin_color;
  53
  54     if (group == NULL || key == NULL)
  55         return NULL;
  56
  57     if (mc_skin == NULL)
  58         mc_skin = &mc_skin__default;
  59
  60     g_snprintf (kname, sizeof (kname), "%s.%s", group, key);
  61     mc_skin_color = (mc_skin_color_t *) g_hash_table_lookup (mc_skin->colors, (gpointer) kname);
  62
  63     return mc_skin_color;
  64 }
  65
  66 /* --------------------------------------------------------------------------------------------- */
  67
  68 #if 0
  69 static void
  70 mc_skin_color_remove_from_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
  71 {
  72     gchar kname[BUF_TINY];
  73     if (group == NULL || key == NULL)
  74         return;
  75
  76     if (mc_skin == NULL)
  77         mc_skin = &mc_skin__default;
  78
  79     g_snprintf (kname, sizeof (kname), "%s.%s", group, key);
  80     g_hash_table_remove (mc_skin->colors, (gpointer) kname);
  81 }
  82 #endif
  83
  84 /* --------------------------------------------------------------------------------------------- */
  85
  86 static void
  87 mc_skin_color_add_to_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key,
  88                            mc_skin_color_t * mc_skin_color)
  89 {
  90     gchar *kname;
  91
  92     kname = g_strdup_printf ("%s.%s", group, key);
  93     if (kname != NULL)
  94     {
  95         if (g_hash_table_lookup (mc_skin->colors, (gpointer) kname) != NULL)
  96             g_hash_table_remove (mc_skin->colors, (gpointer) kname);
  97
  98         g_hash_table_insert (mc_skin->colors, (gpointer) kname, (gpointer) mc_skin_color);
  99     }
 100 }
 101
 102 /* --------------------------------------------------------------------------------------------- */
 103
 104 static mc_skin_color_t *
 105 mc_skin_color_get_with_defaults (const gchar * group, const gchar * name)
 106 {
 107     mc_skin_color_t *mc_skin_color;
 108
 109     mc_skin_color = mc_skin_color_get_from_hash (NULL, group, name);
 110     if (mc_skin_color != NULL)
 111         return mc_skin_color;
 112
 113     mc_skin_color = mc_skin_color_get_from_hash (NULL, group, "_default_");
 114     if (mc_skin_color != NULL)
 115         return mc_skin_color;
 116
 117     mc_skin_color = mc_skin_color_get_from_hash (NULL, "core", "_default_");
 118     return mc_skin_color;
 119 }
 120
 121 /* --------------------------------------------------------------------------------------------- */
 122
 123 static mc_skin_color_t *
 124 mc_skin_color_get_from_ini_file (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
 125 {
 126     gsize items_count;
 127     gchar **values;
 128     mc_skin_color_t *mc_skin_color, *tmp;
 129
 130     values = mc_config_get_string_list (mc_skin->config, group, key, &items_count);
 131     if (values == NULL || values[0] == NULL)
 132     {
 133         g_strfreev (values);
 134         return NULL;
 135     }
 136
 137     mc_skin_color = g_try_new0 (mc_skin_color_t, 1);
 138     if (mc_skin_color == NULL)
 139     {
 140         g_strfreev (values);
 141         return NULL;
 142     }
 143
 144     tmp = mc_skin_color_get_with_defaults (group, "_default_");
 145     mc_skin_color->fgcolor = (items_count > 0 && values[0][0]) ? g_strstrip (g_strdup (values[0])) :
 146         (tmp != NULL) ? g_strdup (tmp->fgcolor) : NULL;
 147     mc_skin_color->bgcolor = (items_count > 1 && values[1][0]) ? g_strstrip (g_strdup (values[1])) :
 148         (tmp != NULL) ? g_strdup (tmp->bgcolor) : NULL;
 149     mc_skin_color->attrs = (items_count > 2 && values[2][0]) ? g_strstrip (g_strdup (values[2])) :
 150         (tmp != NULL) ? g_strdup (tmp->attrs) : NULL;
 151
 152     g_strfreev (values);
 153
 154     mc_skin_color->pair_index =
 155         tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor,
 156                                    mc_skin_color->attrs, FALSE);
 157
 158     return mc_skin_color;
 159 }
 160
 161 /* --------------------------------------------------------------------------------------------- */
 162
 163 static void
 164 mc_skin_color_set_default_for_terminal (mc_skin_t * mc_skin)
 165 {
 166     mc_skin_color_t *mc_skin_color;
 167     mc_skin_color = g_try_new0 (mc_skin_color_t, 1);
 168     if (mc_skin_color != NULL)
 169     {
 170         mc_skin_color->fgcolor = g_strdup ("default");
 171         mc_skin_color->bgcolor = g_strdup ("default");
 172         mc_skin_color->attrs = NULL;
 173         mc_skin_color->pair_index =
 174             tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor,
 175                                        mc_skin_color->attrs, FALSE);
 176         mc_skin_color_add_to_hash (mc_skin, "skin", "terminal_default_color", mc_skin_color);
 177     }
 178 }
 179
 180 /* --------------------------------------------------------------------------------------------- */
 181
 182 static void
 183 mc_skin_color_cache_init (void)
 184 {
 185     DEFAULT_COLOR = mc_skin_color_get ("skin", "terminal_default_color");
 186     NORMAL_COLOR = mc_skin_color_get ("core", "_default_");
 187     MARKED_COLOR = mc_skin_color_get ("core", "marked");
 188     SELECTED_COLOR = mc_skin_color_get ("core", "selected");
 189     MARKED_SELECTED_COLOR = mc_skin_color_get ("core", "markselect");
 190     DISABLED_COLOR = mc_skin_color_get ("core", "disabled");
 191     REVERSE_COLOR = mc_skin_color_get ("core", "reverse");
 192     HEADER_COLOR = mc_skin_color_get ("core", "header");
 193     COMMAND_MARK_COLOR = mc_skin_color_get ("core", "commandlinemark");
 194
 195     COLOR_NORMAL = mc_skin_color_get ("dialog", "_default_");
 196     COLOR_FOCUS = mc_skin_color_get ("dialog", "dfocus");
 197     COLOR_HOT_NORMAL = mc_skin_color_get ("dialog", "dhotnormal");
 198     COLOR_HOT_FOCUS = mc_skin_color_get ("dialog", "dhotfocus");
 199     COLOR_TITLE = mc_skin_color_get ("dialog", "dtitle");
 200
 201     ERROR_COLOR = mc_skin_color_get ("error", "_default_");
 202     ERROR_FOCUS = mc_skin_color_get ("error", "errdfocus");
 203     ERROR_HOT_NORMAL = mc_skin_color_get ("error", "errdhotnormal");
 204     ERROR_HOT_FOCUS = mc_skin_color_get ("error", "errdhotfocus");
 205     ERROR_TITLE = mc_skin_color_get ("error", "errdtitle");
 206
 207     MENU_ENTRY_COLOR = mc_skin_color_get ("menu", "_default_");
 208     MENU_SELECTED_COLOR = mc_skin_color_get ("menu", "menusel");
 209     MENU_HOT_COLOR = mc_skin_color_get ("menu", "menuhot");
 210     MENU_HOTSEL_COLOR = mc_skin_color_get ("menu", "menuhotsel");
 211     MENU_INACTIVE_COLOR = mc_skin_color_get ("menu", "menuinactive");
 212
 213     PMENU_ENTRY_COLOR = mc_skin_color_get ("popupmenu", "_default_");
 214     PMENU_SELECTED_COLOR = mc_skin_color_get ("popupmenu", "menusel");
 215     PMENU_TITLE_COLOR = mc_skin_color_get ("popupmenu", "menutitle");
 216
 217     BUTTONBAR_HOTKEY_COLOR = mc_skin_color_get ("buttonbar", "hotkey");
 218     BUTTONBAR_BUTTON_COLOR = mc_skin_color_get ("buttonbar", "button");
 219
 220     STATUSBAR_COLOR = mc_skin_color_get ("statusbar", "_default_");
 221
 222     GAUGE_COLOR = mc_skin_color_get ("core", "gauge");
 223     INPUT_COLOR = mc_skin_color_get ("core", "input");
 224     INPUT_HISTORY_COLOR = mc_skin_color_get ("core", "inputhistory");
 225     COMMAND_HISTORY_COLOR = mc_skin_color_get ("core", "commandhistory");
 226     INPUT_MARK_COLOR = mc_skin_color_get ("core", "inputmark");
 227     INPUT_UNCHANGED_COLOR = mc_skin_color_get ("core", "inputunchanged");
 228
 229     HELP_NORMAL_COLOR = mc_skin_color_get ("help", "_default_");
 230     HELP_ITALIC_COLOR = mc_skin_color_get ("help", "helpitalic");
 231     HELP_BOLD_COLOR = mc_skin_color_get ("help", "helpbold");
 232     HELP_LINK_COLOR = mc_skin_color_get ("help", "helplink");
 233     HELP_SLINK_COLOR = mc_skin_color_get ("help", "helpslink");
 234     HELP_TITLE_COLOR = mc_skin_color_get ("help", "helptitle");
 235
 236     VIEW_NORMAL_COLOR = mc_skin_color_get ("viewer", "_default_");
 237     VIEW_BOLD_COLOR = mc_skin_color_get ("viewer", "viewbold");
 238     VIEW_UNDERLINED_COLOR = mc_skin_color_get ("viewer", "viewunderline");
 239     VIEW_SELECTED_COLOR = mc_skin_color_get ("viewer", "viewselected");
 240
 241     EDITOR_NORMAL_COLOR = mc_skin_color_get ("editor", "_default_");
 242     EDITOR_BOLD_COLOR = mc_skin_color_get ("editor", "editbold");
 243     EDITOR_MARKED_COLOR = mc_skin_color_get ("editor", "editmarked");
 244     EDITOR_WHITESPACE_COLOR = mc_skin_color_get ("editor", "editwhitespace");
 245     EDITOR_RIGHT_MARGIN_COLOR = mc_skin_color_get ("editor", "editrightmargin");
 246     LINE_STATE_COLOR = mc_skin_color_get ("editor", "editlinestate");
 247     EDITOR_BACKGROUND = mc_skin_color_get ("editor", "editbg");
 248     EDITOR_FRAME = mc_skin_color_get ("editor", "editframe");
 249     EDITOR_FRAME_ACTIVE = mc_skin_color_get ("editor", "editframeactive");
 250     EDITOR_FRAME_DRAG = mc_skin_color_get ("editor", "editframedrag");
 251
 252     BOOK_MARK_COLOR = mc_skin_color_get ("editor", "bookmark");
 253     BOOK_MARK_FOUND_COLOR = mc_skin_color_get ("editor", "bookmarkfound");
 254
 255     DFF_ADD_COLOR = mc_skin_color_get ("diffviewer", "added");
 256     DFF_CHG_COLOR = mc_skin_color_get ("diffviewer", "changedline");
 257     DFF_CHH_COLOR = mc_skin_color_get ("diffviewer", "changednew");
 258     DFF_CHD_COLOR = mc_skin_color_get ("diffviewer", "changed");
 259     DFF_DEL_COLOR = mc_skin_color_get ("diffviewer", "removed");
 260     DFF_ERROR_COLOR = mc_skin_color_get ("diffviewer", "error");
 261 }
 262
 263 /* --------------------------------------------------------------------------------------------- */
 264
 265 static gboolean
 266 mc_skin_color_check_inisection (const gchar * group)
 267 {
 268     return !((strcasecmp ("skin", group) == 0)
 269              || (strcasecmp ("lines", group) == 0) || (strncasecmp ("widget-", group, 7) == 0));
 270 }
 271
 272 /* --------------------------------------------------------------------------------------------- */
 273
 274 static void
 275 mc_skin_color_check_bw_mode (mc_skin_t * mc_skin)
 276 {
 277     gchar **groups, **orig_groups;
 278
 279     if (tty_use_colors () && !mc_global.tty.disable_colors)
 280         return;
 281
 282     orig_groups = groups = mc_config_get_groups (mc_skin->config, NULL);
 283
 284     if (groups == NULL)
 285         return;
 286
 287     for (; *groups != NULL; groups++)
 288     {
 289         if (mc_skin_color_check_inisection (*groups))
 290             mc_config_del_group (mc_skin->config, *groups);
 291     }
 292     g_strfreev (orig_groups);
 293     mc_skin_hardcoded_blackwhite_colors (mc_skin);
 294 }
 295
 296 /* --------------------------------------------------------------------------------------------- */
 297 /*** public functions ****************************************************************************/
 298 /* --------------------------------------------------------------------------------------------- */
 299
 300 gboolean
 301 mc_skin_color_parse_ini_file (mc_skin_t * mc_skin)
 302 {
 303     gsize items_count;
 304     gchar **groups, **orig_groups;
 305     gchar **keys, **orig_keys;
 306     mc_skin_color_t *mc_skin_color;
 307
 308     mc_skin_color_check_bw_mode (mc_skin);
 309
 310     orig_groups = groups = mc_config_get_groups (mc_skin->config, &items_count);
 311     if (groups == NULL || groups[0] == NULL)
 312     {
 313         g_strfreev (groups);
 314         return FALSE;
 315     }
 316
 317     /* as first, need to set up default colors */
 318     mc_skin_color_set_default_for_terminal (mc_skin);
 319     mc_skin_color = mc_skin_color_get_from_ini_file (mc_skin, "core", "_default_");
 320     if (mc_skin_color == NULL)
 321         return FALSE;
 322
 323     tty_color_set_defaults (mc_skin_color->fgcolor, mc_skin_color->bgcolor, mc_skin_color->attrs);
 324     mc_skin_color_add_to_hash (mc_skin, "core", "_default_", mc_skin_color);
 325
 326     for (; *groups != NULL; groups++)
 327     {
 328         if (!mc_skin_color_check_inisection (*groups))
 329             continue;
 330
 331         orig_keys = keys = mc_config_get_keys (mc_skin->config, *groups, &items_count);
 332         if (keys == NULL)
 333             continue;
 334
 335         for (; *keys != NULL; keys++)
 336         {
 337             mc_skin_color = mc_skin_color_get_from_ini_file (mc_skin, *groups, *keys);
 338             if (mc_skin_color != NULL)
 339                 mc_skin_color_add_to_hash (mc_skin, *groups, *keys, mc_skin_color);
 340         }
 341         g_strfreev (orig_keys);
 342     }
 343     g_strfreev (orig_groups);
 344
 345     mc_skin_color_cache_init ();
 346     return TRUE;
 347 }
 348
 349 /* --------------------------------------------------------------------------------------------- */
 350
 351 int
 352 mc_skin_color_get (const gchar * group, const gchar * name)
 353 {
 354     mc_skin_color_t *mc_skin_color;
 355
 356     mc_skin_color = mc_skin_color_get_with_defaults (group, name);
 357
 358     return (mc_skin_color != NULL) ? mc_skin_color->pair_index : 0;
 359 }
 360
 361 /* --------------------------------------------------------------------------------------------- */