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mc/lib/skin/colors.c

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/*
Skins engine.
Work with colors
Copyright (C) 2009, 2010, 2011, 2012
The Free Software Foundation, Inc.
Written by:
Slava Zanko <slavazanko@gmail.com>, 2009
Egmont Koblinger <egmont@gmail.com>, 2010
Andrew Borodin <aborodin@vmail.ru>, 2012
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <string.h>
#include "internal.h"
#include "lib/tty/color.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 kname[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 (kname, sizeof (kname), "%s.%s", group, key);
mc_skin_color = (mc_skin_color_t *) g_hash_table_lookup (mc_skin->colors, (gpointer) kname);
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 kname[BUF_TINY];
if (group == NULL || key == NULL)
return;
if (mc_skin == NULL)
mc_skin = &mc_skin__default;
g_snprintf (kname, sizeof (kname), "%s.%s", group, key);
g_hash_table_remove (mc_skin->colors, (gpointer) kname);
}
#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 *kname;
kname = g_strdup_printf ("%s.%s", group, key);
if (kname != NULL)
{
if (g_hash_table_lookup (mc_skin->colors, (gpointer) kname) != NULL)
g_hash_table_remove (mc_skin->colors, (gpointer) kname);
g_hash_table_insert (mc_skin->colors, (gpointer) kname, (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[0] == 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;
}
tmp = mc_skin_color_get_with_defaults (group, "_default_");
mc_skin_color->fgcolor = (items_count > 0 && values[0][0]) ? g_strstrip (g_strdup (values[0])) :
(tmp != NULL) ? g_strdup (tmp->fgcolor) : NULL;
mc_skin_color->bgcolor = (items_count > 1 && values[1][0]) ? g_strstrip (g_strdup (values[1])) :
(tmp != NULL) ? g_strdup (tmp->bgcolor) : NULL;
mc_skin_color->attrs = (items_count > 2 && values[2][0]) ? g_strstrip (g_strdup (values[2])) :
(tmp != NULL) ? g_strdup (tmp->attrs) : NULL;
g_strfreev (values);
mc_skin_color->pair_index =
tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor,
mc_skin_color->attrs, 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->attrs = NULL;
mc_skin_color->pair_index =
tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor,
mc_skin_color->attrs, 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");
DISABLED_COLOR = mc_skin_color_get ("core", "disabled");
REVERSE_COLOR = mc_skin_color_get ("core", "reverse");
HEADER_COLOR = mc_skin_color_get ("core", "header");
COMMAND_MARK_COLOR = mc_skin_color_get ("core", "commandlinemark");
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");
COLOR_TITLE = mc_skin_color_get ("dialog", "dtitle");
ERROR_COLOR = mc_skin_color_get ("error", "_default_");
ERROR_FOCUS = mc_skin_color_get ("error", "errdfocus");
ERROR_HOT_NORMAL = mc_skin_color_get ("error", "errdhotnormal");
ERROR_HOT_FOCUS = mc_skin_color_get ("error", "errdhotfocus");
ERROR_TITLE = mc_skin_color_get ("error", "errdtitle");
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");
MENU_INACTIVE_COLOR = mc_skin_color_get ("menu", "menuinactive");
PMENU_ENTRY_COLOR = mc_skin_color_get ("popupmenu", "_default_");
PMENU_SELECTED_COLOR = mc_skin_color_get ("popupmenu", "menusel");
PMENU_TITLE_COLOR = mc_skin_color_get ("popupmenu", "menutitle");
BUTTONBAR_HOTKEY_COLOR = mc_skin_color_get ("buttonbar", "hotkey");
BUTTONBAR_BUTTON_COLOR = mc_skin_color_get ("buttonbar", "button");
STATUSBAR_COLOR = mc_skin_color_get ("statusbar", "_default_");
GAUGE_COLOR = mc_skin_color_get ("core", "gauge");
INPUT_COLOR = mc_skin_color_get ("core", "input");
INPUT_HISTORY_COLOR = mc_skin_color_get ("core", "inputhistory");
COMMAND_HISTORY_COLOR = mc_skin_color_get ("core", "commandhistory");
INPUT_MARK_COLOR = mc_skin_color_get ("core", "inputmark");
INPUT_UNCHANGED_COLOR = mc_skin_color_get ("core", "inputunchanged");
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");
HELP_TITLE_COLOR = mc_skin_color_get ("help", "helptitle");
VIEW_BOLD_COLOR = mc_skin_color_get ("viewer", "viewbold");
VIEW_UNDERLINED_COLOR = mc_skin_color_get ("viewer", "viewunderline");
VIEW_SELECTED_COLOR = mc_skin_color_get ("viewer", "viewselected");
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", "editlinestate");
EDITOR_BACKGROUND = mc_skin_color_get ("editor", "editbg");
EDITOR_FRAME = mc_skin_color_get ("editor", "editframe");
EDITOR_FRAME_ACTIVE = mc_skin_color_get ("editor", "editframeactive");
EDITOR_FRAME_DRAG = mc_skin_color_get ("editor", "editframedrag");
BOOK_MARK_COLOR = mc_skin_color_get ("editor", "bookmark");
BOOK_MARK_FOUND_COLOR = mc_skin_color_get ("editor", "bookmarkfound");
DFF_ADD_COLOR = mc_skin_color_get ("diffviewer", "added");
DFF_CHG_COLOR = mc_skin_color_get ("diffviewer", "changedline");
DFF_CHH_COLOR = mc_skin_color_get ("diffviewer", "changednew");
DFF_CHD_COLOR = mc_skin_color_get ("diffviewer", "changed");
DFF_DEL_COLOR = mc_skin_color_get ("diffviewer", "removed");
DFF_FOLDER_COLOR = mc_skin_color_get ("diffviewer", "folder");
DFF_ERROR_COLOR = mc_skin_color_get ("diffviewer", "error");
}
/* --------------------------------------------------------------------------------------------- */
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_global.tty.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 || groups[0] == 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->attrs);
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;
for (; *keys != NULL; 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;
}
/* --------------------------------------------------------------------------------------------- */
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