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/*
* Copyright © 2019 Christian Rauch
* Copyright © 2024 Colin Kinloch
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "desktop-settings.h"
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <stdint.h>
#include "config.h"
static bool
get_cursor_settings_from_env(char **theme, int *size)
{
char *env_xtheme;
char *env_xsize;
env_xtheme = getenv("XCURSOR_THEME");
if (env_xtheme != NULL)
*theme = strdup(env_xtheme);
env_xsize = getenv("XCURSOR_SIZE");
if (env_xsize != NULL)
*size = atoi(env_xsize);
return env_xtheme != NULL && env_xsize != NULL;
}
#ifdef HAS_DBUS
#include <dbus/dbus.h>
static DBusMessage *
get_setting_sync(DBusConnection *const connection,
const char *key,
const char *value)
{
DBusError error;
dbus_bool_t success;
DBusMessage *message;
DBusMessage *reply;
message = dbus_message_new_method_call(
"org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.portal.Settings",
"Read");
success = dbus_message_append_args(message,
DBUS_TYPE_STRING, &key,
DBUS_TYPE_STRING, &value,
DBUS_TYPE_INVALID);
if (!success)
return NULL;
dbus_error_init(&error);
reply = dbus_connection_send_with_reply_and_block(
connection,
message,
DBUS_TIMEOUT_USE_DEFAULT,
&error);
dbus_message_unref(message);
if (dbus_error_is_set(&error)) {
dbus_error_free(&error);
return NULL;
}
dbus_error_free(&error);
return reply;
}
static bool
parse_type(DBusMessage *const reply,
const int type,
void *value)
{
DBusMessageIter iter[3];
dbus_message_iter_init(reply, &iter[0]);
if (dbus_message_iter_get_arg_type(&iter[0]) != DBUS_TYPE_VARIANT)
return false;
dbus_message_iter_recurse(&iter[0], &iter[1]);
if (dbus_message_iter_get_arg_type(&iter[1]) != DBUS_TYPE_VARIANT)
return false;
dbus_message_iter_recurse(&iter[1], &iter[2]);
if (dbus_message_iter_get_arg_type(&iter[2]) != type)
return false;
dbus_message_iter_get_basic(&iter[2], value);
return true;
}
bool
libdecor_get_cursor_settings(char **theme, int *size)
{
static const char name[] = "org.gnome.desktop.interface";
static const char key_theme[] = "cursor-theme";
static const char key_size[] = "cursor-size";
DBusError error;
DBusConnection *connection;
DBusMessage *reply;
const char *value_theme = NULL;
dbus_error_init(&error);
connection = dbus_bus_get(DBUS_BUS_SESSION, &error);
if (dbus_error_is_set(&error))
goto fallback;
reply = get_setting_sync(connection, name, key_theme);
if (!reply)
goto fallback;
if (!parse_type(reply, DBUS_TYPE_STRING, &value_theme)) {
dbus_message_unref(reply);
goto fallback;
}
*theme = strdup(value_theme);
dbus_message_unref(reply);
reply = get_setting_sync(connection, name, key_size);
if (!reply)
goto fallback;
if (!parse_type(reply, DBUS_TYPE_INT32, size)) {
dbus_message_unref(reply);
goto fallback;
}
dbus_message_unref(reply);
return true;
fallback:
return get_cursor_settings_from_env(theme, size);
}
enum libdecor_color_scheme
libdecor_get_color_scheme()
{
static const char name[] = "org.freedesktop.appearance";
static const char key_color_scheme[] = "color-scheme";
uint32_t color = 0;
DBusError error;
DBusConnection *connection;
DBusMessage *reply;
dbus_error_init(&error);
connection = dbus_bus_get(DBUS_BUS_SESSION, &error);
if (dbus_error_is_set(&error))
return 0;
reply = get_setting_sync(connection, name, key_color_scheme);
if (!reply)
return 0;
if (!parse_type(reply, DBUS_TYPE_UINT32, &color)) {
dbus_message_unref(reply);
return 0;
}
dbus_message_unref(reply);
return color;
}
#else
bool
libdecor_get_cursor_settings(char **theme, int *size)
{
return get_cursor_settings_from_env(theme, size);
}
uint32_t
libdecor_get_color_scheme()
{
return LIBDECOR_COLOR_SCHEME_DEFAULT;
}
#endif
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