qulogic/libgnt

Add an option for disabling docs.

2019-10-15, Elliott Sales de Andrade
11b8909ec287
Add an option for disabling docs.
/*
* GNT - The GLib Ncurses Toolkit
*
* GNT is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This library 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.
*
* This program 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 "gntinternal.h"
#undef GNT_LOG_DOMAIN
#define GNT_LOG_DOMAIN "Colors"
#include "gntcolors.h"
#include "gntstyle.h"
#include <glib.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
static gboolean hascolors;
static int custom_type = GNT_COLORS;
static struct
{
short r, g, b;
} colors[GNT_TOTAL_COLORS];
static void
backup_colors(void)
{
short i;
for (i = 0; i < GNT_TOTAL_COLORS; i++)
{
color_content(i, &colors[i].r,
&colors[i].g, &colors[i].b);
}
}
static gboolean
can_use_custom_color(void)
{
return (gnt_style_get_bool(GNT_STYLE_COLOR, FALSE) && can_change_color());
}
static void
restore_colors(void)
{
short i;
for (i = 0; i < GNT_TOTAL_COLORS; i++)
{
init_color(i, colors[i].r,
colors[i].g, colors[i].b);
}
}
void gnt_init_colors()
{
static gboolean init = FALSE;
int defaults;
if (init)
return;
init = TRUE;
start_color();
if (!(hascolors = has_colors()))
return;
defaults = use_default_colors();
if (can_use_custom_color())
{
backup_colors();
/* Do some init_color()s */
init_color(GNT_COLOR_BLACK, 0, 0, 0);
init_color(GNT_COLOR_RED, 1000, 0, 0);
init_color(GNT_COLOR_GREEN, 0, 1000, 0);
init_color(GNT_COLOR_BLUE, 250, 250, 700);
init_color(GNT_COLOR_WHITE, 1000, 1000, 1000);
init_color(GNT_COLOR_GRAY, 699, 699, 699);
init_color(GNT_COLOR_DARK_GRAY, 256, 256, 256);
/* Now some init_pair()s */
init_pair(GNT_COLOR_NORMAL, GNT_COLOR_BLACK, GNT_COLOR_WHITE);
init_pair(GNT_COLOR_HIGHLIGHT, GNT_COLOR_WHITE, GNT_COLOR_BLUE);
init_pair(GNT_COLOR_SHADOW, GNT_COLOR_BLACK, GNT_COLOR_DARK_GRAY);
init_pair(GNT_COLOR_TITLE, GNT_COLOR_WHITE, GNT_COLOR_BLUE);
init_pair(GNT_COLOR_TITLE_D, GNT_COLOR_WHITE, GNT_COLOR_GRAY);
init_pair(GNT_COLOR_TEXT_NORMAL, GNT_COLOR_WHITE, GNT_COLOR_BLUE);
init_pair(GNT_COLOR_HIGHLIGHT_D, GNT_COLOR_BLACK, GNT_COLOR_GRAY);
init_pair(GNT_COLOR_DISABLED, GNT_COLOR_GRAY, GNT_COLOR_WHITE);
init_pair(GNT_COLOR_URGENT, GNT_COLOR_WHITE, GNT_COLOR_RED);
}
else
{
int bg;
if (defaults == OK) {
init_pair(GNT_COLOR_NORMAL, -1, -1);
bg = -1;
} else {
init_pair(GNT_COLOR_NORMAL, COLOR_BLACK, COLOR_WHITE);
bg = COLOR_WHITE;
}
init_pair(GNT_COLOR_DISABLED, COLOR_YELLOW, bg);
init_pair(GNT_COLOR_URGENT, COLOR_GREEN, bg);
init_pair(GNT_COLOR_HIGHLIGHT, COLOR_WHITE, COLOR_BLUE);
init_pair(GNT_COLOR_SHADOW, COLOR_BLACK, COLOR_BLACK);
init_pair(GNT_COLOR_TITLE, COLOR_WHITE, COLOR_BLUE);
init_pair(GNT_COLOR_TITLE_D, COLOR_WHITE, COLOR_BLACK);
init_pair(GNT_COLOR_TEXT_NORMAL, COLOR_WHITE, COLOR_BLUE);
init_pair(GNT_COLOR_HIGHLIGHT_D, COLOR_CYAN, COLOR_BLACK);
}
}
void
gnt_uninit_colors()
{
if (can_use_custom_color())
restore_colors();
}
int
gnt_colors_get_color(char *key)
{
int color;
gboolean custom = can_use_custom_color();
key = g_strstrip(key);
if (strcmp(key, "black") == 0)
color = custom ? GNT_COLOR_BLACK : COLOR_BLACK;
else if (strcmp(key, "red") == 0)
color = custom ? GNT_COLOR_RED : COLOR_RED;
else if (strcmp(key, "green") == 0)
color = custom ? GNT_COLOR_GREEN : COLOR_GREEN;
else if (strcmp(key, "blue") == 0)
color = custom ? GNT_COLOR_BLUE : COLOR_BLUE;
else if (strcmp(key, "white") == 0)
color = custom ? GNT_COLOR_WHITE : COLOR_WHITE;
else if (strcmp(key, "gray") == 0 || strcmp(key, "grey") == 0)
color = custom ? GNT_COLOR_GRAY : COLOR_YELLOW; /* eh? */
else if (strcmp(key, "darkgray") == 0 || strcmp(key, "darkgrey") == 0)
color = custom ? GNT_COLOR_DARK_GRAY : COLOR_BLACK;
else if (strcmp(key, "magenta") == 0)
color = COLOR_MAGENTA;
else if (strcmp(key, "cyan") == 0)
color = COLOR_CYAN;
else if (strcmp(key, "default") == 0)
color = -1;
else {
g_warning("Invalid color name: %s\n", key);
color = -EINVAL;
}
return color;
}
void gnt_colors_parse(GKeyFile *kfile)
{
GError *error = NULL;
gsize nkeys;
char **keys;
if (!g_key_file_has_group(kfile, "colors")) {
gnt_color_pairs_parse(kfile);
return;
}
keys = g_key_file_get_keys(kfile, "colors", &nkeys, &error);
if (error) {
gnt_warning("%s", error->message);
g_error_free(error);
error = NULL;
}
else if (nkeys)
{
gnt_init_colors();
while (nkeys--)
{
gsize len;
gchar *key = keys[nkeys];
char **list = g_key_file_get_string_list(kfile, "colors", key, &len, NULL);
if (len == 3)
{
int r = atoi(list[0]);
int g = atoi(list[1]);
int b = atoi(list[2]);
int color = -1;
key = g_ascii_strdown(key, -1);
color = gnt_colors_get_color(key);
g_free(key);
if (color == -EINVAL) {
g_strfreev(list);
continue;
}
init_color(color, r, g, b);
}
g_strfreev(list);
}
g_strfreev(keys);
}
gnt_color_pairs_parse(kfile);
}
void gnt_color_pairs_parse(GKeyFile *kfile)
{
GError *error = NULL;
gsize nkeys;
char **keys;
if (!g_key_file_has_group(kfile, "colorpairs"))
return;
keys = g_key_file_get_keys(kfile, "colorpairs", &nkeys, &error);
if (error)
{
gnt_warning("%s", error->message);
g_error_free(error);
return;
}
else if (nkeys)
gnt_init_colors();
while (nkeys--)
{
gsize len;
gchar *key = keys[nkeys];
char **list = g_key_file_get_string_list(kfile, "colorpairs", key, &len, NULL);
if (len == 2)
{
GntColorType type = 0;
gchar *fgc = g_ascii_strdown(list[0], -1);
gchar *bgc = g_ascii_strdown(list[1], -1);
int fg = gnt_colors_get_color(fgc);
int bg = gnt_colors_get_color(bgc);
g_free(fgc);
g_free(bgc);
if (fg == -EINVAL || bg == -EINVAL) {
g_strfreev(list);
continue;
}
key = g_ascii_strdown(key, -1);
if (strcmp(key, "normal") == 0)
type = GNT_COLOR_NORMAL;
else if (strcmp(key, "highlight") == 0)
type = GNT_COLOR_HIGHLIGHT;
else if (strcmp(key, "highlightd") == 0)
type = GNT_COLOR_HIGHLIGHT_D;
else if (strcmp(key, "shadow") == 0)
type = GNT_COLOR_SHADOW;
else if (strcmp(key, "title") == 0)
type = GNT_COLOR_TITLE;
else if (strcmp(key, "titled") == 0)
type = GNT_COLOR_TITLE_D;
else if (strcmp(key, "text") == 0)
type = GNT_COLOR_TEXT_NORMAL;
else if (strcmp(key, "disabled") == 0)
type = GNT_COLOR_DISABLED;
else if (strcmp(key, "urgent") == 0)
type = GNT_COLOR_URGENT;
else {
g_strfreev(list);
g_free(key);
continue;
}
g_free(key);
init_pair(type, fg, bg);
}
g_strfreev(list);
}
g_strfreev(keys);
}
int gnt_color_pair(int pair)
{
return (hascolors ? COLOR_PAIR(pair) :
((pair == GNT_COLOR_NORMAL || pair == GNT_COLOR_HIGHLIGHT_D ||
pair == GNT_COLOR_TITLE_D || pair == GNT_COLOR_DISABLED) ? 0 : (int)A_STANDOUT));
}
int gnt_color_add_pair(int fg, int bg)
{
init_pair(custom_type, fg, bg);
return custom_type++;
}