mc/lib/skin/colors.c

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/*
Skins engine.
Work with colors
Copyright (C) 2009 The Free Software Foundation, Inc.
Written by:
Slava Zanko <slavazanko@gmail.com>, 2009.
This file is part of the Midnight Commander.
The Midnight Commander 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 2 of the
License, or (at your option) any later version.
The Midnight Commander 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
*/
#include <config.h>
#include <string.h>
#include "internal.h"
#include "lib/tty/color.h"
#include "src/args.h"
/*** global variables ****************************************************************************/
int mc_skin_color__cache[MC_SKIN_COLOR_CACHE_COUNT];
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/*** file scope functions ************************************************************************/
static mc_skin_color_t *
mc_skin_color_get_from_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
{
gchar key_name[BUF_TINY];
mc_skin_color_t *mc_skin_color;
if (group == NULL || key == NULL)
return NULL;
if (mc_skin == NULL)
mc_skin = &mc_skin__default;
g_snprintf (key_name, sizeof (key_name), "%s.%s", group, key);
mc_skin_color = (mc_skin_color_t *) g_hash_table_lookup (mc_skin->colors, (gpointer) key_name);
return mc_skin_color;
}
/* --------------------------------------------------------------------------------------------- */
#if 0
static void
mc_skin_color_remove_from_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
{
gchar key_name[BUF_TINY];
if (group == NULL || key == NULL)
return;
if (mc_skin == NULL)
mc_skin = &mc_skin__default;
g_snprintf (key_name, sizeof (key_name), "%s.%s", group, key);
g_hash_table_remove (mc_skin->colors, (gpointer) key_name);
}
#endif
/* --------------------------------------------------------------------------------------------- */
static void
mc_skin_color_add_to_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key,
mc_skin_color_t * mc_skin_color)
{
gchar *key_name;
key_name = g_strdup_printf ("%s.%s", group, key);
if (key_name == NULL)
return;
if (g_hash_table_lookup (mc_skin->colors, (gpointer) key_name) != NULL)
g_hash_table_remove (mc_skin->colors, (gpointer) key_name);
g_hash_table_insert (mc_skin->colors, (gpointer) key_name, (gpointer) mc_skin_color);
}
/* --------------------------------------------------------------------------------------------- */
static mc_skin_color_t *
mc_skin_color_get_with_defaults (const gchar * group, const gchar * name)
{
mc_skin_color_t *mc_skin_color;
mc_skin_color = mc_skin_color_get_from_hash (NULL, group, name);
if (mc_skin_color != NULL)
return mc_skin_color;
mc_skin_color = mc_skin_color_get_from_hash (NULL, group, "_default_");
if (mc_skin_color != NULL)
return mc_skin_color;
mc_skin_color = mc_skin_color_get_from_hash (NULL, "core", "_default_");
return mc_skin_color;
}
/* --------------------------------------------------------------------------------------------- */
static mc_skin_color_t *
mc_skin_color_get_from_ini_file (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
{
gsize items_count;
gchar **values;
mc_skin_color_t *mc_skin_color, *tmp;
values = mc_config_get_string_list (mc_skin->config, group, key, &items_count);
if (values == NULL || *values == NULL) {
if (values != NULL)
g_strfreev (values);
return NULL;
}
mc_skin_color = g_try_new0 (mc_skin_color_t, 1);
if (mc_skin_color == NULL) {
g_strfreev (values);
return NULL;
}
switch (items_count) {
case 0:
tmp = mc_skin_color_get_with_defaults (group, "_default_");
if (tmp) {
mc_skin_color->fgcolor = g_strdup (tmp->fgcolor);
mc_skin_color->bgcolor = g_strdup (tmp->bgcolor);
} else {
g_strfreev (values);
g_free (mc_skin_color);
return NULL;
}
break;
case 1:
mc_skin_color->fgcolor = (values[0]) ? g_strstrip (g_strdup (values[0])) : NULL;
tmp = mc_skin_color_get_with_defaults (group, "_default_");
mc_skin_color->bgcolor = (tmp != NULL) ? g_strdup (tmp->bgcolor) : NULL;
break;
case 2:
mc_skin_color->fgcolor = (values[0]) ? g_strstrip (g_strdup (values[0])) : NULL;
mc_skin_color->bgcolor = (values[1]) ? g_strstrip (g_strdup (values[1])) : NULL;
break;
}
g_strfreev (values);
mc_skin_color->pair_index =
tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor, FALSE);
return mc_skin_color;
}
/* --------------------------------------------------------------------------------------------- */
static void
mc_skin_color_set_default_for_terminal (mc_skin_t * mc_skin)
{
mc_skin_color_t *mc_skin_color;
mc_skin_color = g_try_new0 (mc_skin_color_t, 1);
if (mc_skin_color != NULL) {
mc_skin_color->fgcolor = g_strdup ("default");
mc_skin_color->bgcolor = g_strdup ("default");
mc_skin_color->pair_index =
tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor, FALSE);
mc_skin_color_add_to_hash (mc_skin, "skin", "terminal_default_color", mc_skin_color);
}
}
/* --------------------------------------------------------------------------------------------- */
static void
mc_skin_color_cache_init (void)
{
DEFAULT_COLOR = mc_skin_color_get ("skin", "terminal_default_color");
NORMAL_COLOR = mc_skin_color_get ("core", "_default_");
MARKED_COLOR = mc_skin_color_get ("core", "marked");
SELECTED_COLOR = mc_skin_color_get ("core", "selected");
MARKED_SELECTED_COLOR = mc_skin_color_get ("core", "markselect");
REVERSE_COLOR = mc_skin_color_get ("core", "reverse");
COLOR_NORMAL = mc_skin_color_get ("dialog", "_default_");
COLOR_FOCUS = mc_skin_color_get ("dialog", "dfocus");
COLOR_HOT_NORMAL = mc_skin_color_get ("dialog", "dhotnormal");
COLOR_HOT_FOCUS = mc_skin_color_get ("dialog", "dhotfocus");
ERROR_COLOR = mc_skin_color_get ("error", "_default_");
ERROR_HOT_NORMAL = mc_skin_color_get ("error", "errdhotnormal");
ERROR_HOT_FOCUS = mc_skin_color_get ("error", "errdhotfocus");
MENU_ENTRY_COLOR = mc_skin_color_get ("menu", "_default_");
MENU_SELECTED_COLOR = mc_skin_color_get ("menu", "menusel");
MENU_HOT_COLOR = mc_skin_color_get ("menu", "menuhot");
MENU_HOTSEL_COLOR = mc_skin_color_get ("menu", "menuhotsel");
GAUGE_COLOR = mc_skin_color_get ("core", "gauge");
INPUT_COLOR = mc_skin_color_get ("core", "input");
HELP_NORMAL_COLOR = mc_skin_color_get ("help", "_default_");
HELP_ITALIC_COLOR = mc_skin_color_get ("help", "helpitalic");
HELP_BOLD_COLOR = mc_skin_color_get ("help", "helpbold");
HELP_LINK_COLOR = mc_skin_color_get ("help", "helplink");
HELP_SLINK_COLOR = mc_skin_color_get ("help", "helpslink");
VIEW_UNDERLINED_COLOR = mc_skin_color_get ("viewer", "viewunderline");
EDITOR_NORMAL_COLOR = mc_skin_color_get ("editor", "_default_");
EDITOR_BOLD_COLOR = mc_skin_color_get ("editor", "editbold");
EDITOR_MARKED_COLOR = mc_skin_color_get ("editor", "editmarked");
EDITOR_WHITESPACE_COLOR = mc_skin_color_get ("editor", "editwhitespace");
EDITOR_RIGHT_MARGIN_COLOR = mc_skin_color_get ("editor", "editrightmargin");
LINE_STATE_COLOR = mc_skin_color_get ("editor", "linestate");
BOOK_MARK_COLOR = mc_skin_color_get ("editor", "bookmark");
BOOK_MARK_FOUND_COLOR = mc_skin_color_get ("editor", "bookmarkfound");
BUTTONBAR_HOTKEY_COLOR = mc_skin_color_get ("buttonbar", "hotkey");
BUTTONBAR_BUTTON_COLOR = mc_skin_color_get ("buttonbar", "button");
}
/* --------------------------------------------------------------------------------------------- */
static gboolean
mc_skin_color_check_inisection (const gchar * group)
{
return !((strcasecmp ("skin", group) == 0)
|| (strcasecmp ("lines", group) == 0)
|| (strncasecmp ("widget-", group, 7) == 0));
}
/* --------------------------------------------------------------------------------------------- */
static void
mc_skin_color_check_bw_mode (mc_skin_t * mc_skin)
{
gchar **groups, **orig_groups;
if ( tty_use_colors () && !mc_args__disable_colors)
return;
orig_groups = groups = mc_config_get_groups (mc_skin->config, NULL);
if (groups == NULL)
return;
for (; *groups != NULL; groups++) {
if (mc_skin_color_check_inisection (*groups))
mc_config_del_group (mc_skin->config, *groups);
}
g_strfreev (orig_groups);
mc_skin_hardcoded_blackwhite_colors (mc_skin);
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
gboolean
mc_skin_color_parse_ini_file (mc_skin_t * mc_skin)
{
gsize items_count;
gchar **groups, **orig_groups;
gchar **keys, **orig_keys;
mc_skin_color_t *mc_skin_color;
mc_skin_color_check_bw_mode (mc_skin);
orig_groups = groups = mc_config_get_groups (mc_skin->config, &items_count);
if (groups == NULL)
return FALSE;
if (*groups == NULL) {
g_strfreev (groups);
return FALSE;
}
/* as first, need to set up default colors */
mc_skin_color_set_default_for_terminal (mc_skin);
mc_skin_color = mc_skin_color_get_from_ini_file (mc_skin, "core", "_default_");
if (mc_skin_color == NULL)
return FALSE;
tty_color_set_defaults (mc_skin_color->fgcolor, mc_skin_color->bgcolor);
mc_skin_color_add_to_hash (mc_skin, "core", "_default_", mc_skin_color);
for (; *groups != NULL; groups++) {
if (!mc_skin_color_check_inisection (*groups))
continue;
orig_keys = keys = mc_config_get_keys (mc_skin->config, *groups, &items_count);
if (keys == NULL)
continue;
if(*keys == NULL) {
g_strfreev (keys);
continue;
}
for (; *keys; keys++) {
mc_skin_color = mc_skin_color_get_from_ini_file (mc_skin, *groups, *keys);
if (mc_skin_color != NULL)
mc_skin_color_add_to_hash (mc_skin, *groups, *keys, mc_skin_color);
}
g_strfreev (orig_keys);
}
g_strfreev (orig_groups);
mc_skin_color_cache_init ();
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
int
mc_skin_color_get (const gchar * group, const gchar * name)
{
mc_skin_color_t *mc_skin_color;
mc_skin_color = mc_skin_color_get_with_defaults (group, name);
return (mc_skin_color != NULL) ? mc_skin_color->pair_index : 0;
}
/* --------------------------------------------------------------------------------------------- */