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gnome-settings-daemon/plugins/keyboard/gsd-keyboard-manager.c
Daniel Baumann 18b565039d
Adding upstream version 48.1. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 20:20:27 +02:00

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright © 2001 Ximian, Inc.
* Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
* Written by Sergey V. Oudaltsov <svu@users.sourceforge.net>
*
* This program 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <locale.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include "gnome-settings-bus.h"
#include "gnome-settings-profile.h"
#include "gsd-keyboard-manager.h"
#include "gsd-input-helper.h"
#include "gnome-settings-daemon/gsd-enums.h"
#include "gsd-settings-migrate.h"
#define GSD_KEYBOARD_DIR "org.gnome.settings-daemon.peripherals.keyboard"
#define KEY_CLICK "click"
#define KEY_CLICK_VOLUME "click-volume"
#define KEY_BELL_VOLUME "bell-volume"
#define KEY_BELL_PITCH "bell-pitch"
#define KEY_BELL_DURATION "bell-duration"
#define KEY_BELL_MODE "bell-mode"
#define KEY_BELL_CUSTOM_FILE "bell-custom-file"
#define GNOME_DESKTOP_INTERFACE_DIR "org.gnome.desktop.interface"
#define GNOME_DESKTOP_INPUT_SOURCES_DIR "org.gnome.desktop.input-sources"
#define KEY_INPUT_SOURCES "sources"
#define KEY_KEYBOARD_OPTIONS "xkb-options"
#define INPUT_SOURCE_TYPE_XKB "xkb"
#define INPUT_SOURCE_TYPE_IBUS "ibus"
#define DEFAULT_LAYOUT "us"
#define SETTINGS_PORTED_FILE ".gsd-keyboard.settings-ported"
struct _GsdKeyboardManager
{
GsdApplication parent;
guint start_idle_id;
GSettings *settings;
GSettings *input_sources_settings;
GDBusProxy *localed;
GCancellable *cancellable;
};
static void gsd_keyboard_manager_class_init (GsdKeyboardManagerClass *klass);
static void gsd_keyboard_manager_init (GsdKeyboardManager *keyboard_manager);
static void migrate_keyboard_settings (void);
G_DEFINE_TYPE (GsdKeyboardManager, gsd_keyboard_manager, GSD_TYPE_APPLICATION)
static void
init_builder_with_sources (GVariantBuilder *builder,
GSettings *settings)
{
const gchar *type;
const gchar *id;
GVariantIter iter;
GVariant *sources;
sources = g_settings_get_value (settings, KEY_INPUT_SOURCES);
g_variant_builder_init (builder, G_VARIANT_TYPE ("a(ss)"));
g_variant_iter_init (&iter, sources);
while (g_variant_iter_next (&iter, "(&s&s)", &type, &id))
g_variant_builder_add (builder, "(ss)", type, id);
g_variant_unref (sources);
}
static gboolean
schema_is_installed (const char *schema)
{
GSettingsSchemaSource *source = NULL;
gchar **non_relocatable = NULL;
gchar **relocatable = NULL;
gboolean installed = FALSE;
source = g_settings_schema_source_get_default ();
if (!source)
return FALSE;
g_settings_schema_source_list_schemas (source, TRUE, &non_relocatable, &relocatable);
if (g_strv_contains ((const gchar * const *)non_relocatable, schema) ||
g_strv_contains ((const gchar * const *)relocatable, schema))
installed = TRUE;
g_strfreev (non_relocatable);
g_strfreev (relocatable);
return installed;
}
static void
apply_bell (GsdKeyboardManager *manager)
{
GdkDisplay *gdisplay;
GSettings *settings;
XKeyboardControl kbdcontrol;
gboolean click;
int bell_volume;
int bell_pitch;
int bell_duration;
GsdBellMode bell_mode;
int click_volume;
if (gnome_settings_is_wayland ())
return;
gdisplay = gdk_display_get_default ();
g_debug ("Applying the bell settings");
settings = manager->settings;
click = g_settings_get_boolean (settings, KEY_CLICK);
click_volume = g_settings_get_int (settings, KEY_CLICK_VOLUME);
bell_pitch = g_settings_get_int (settings, KEY_BELL_PITCH);
bell_duration = g_settings_get_int (settings, KEY_BELL_DURATION);
bell_mode = g_settings_get_enum (settings, KEY_BELL_MODE);
bell_volume = (bell_mode == GSD_BELL_MODE_ON) ? 50 : 0;
/* as percentage from 0..100 inclusive */
if (click_volume < 0) {
click_volume = 0;
} else if (click_volume > 100) {
click_volume = 100;
}
kbdcontrol.key_click_percent = click ? click_volume : 0;
kbdcontrol.bell_percent = bell_volume;
kbdcontrol.bell_pitch = bell_pitch;
kbdcontrol.bell_duration = bell_duration;
gdk_x11_display_error_trap_push (gdisplay);
XChangeKeyboardControl (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
KBKeyClickPercent | KBBellPercent | KBBellPitch | KBBellDuration,
&kbdcontrol);
XSync (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), FALSE);
gdk_x11_display_error_trap_pop_ignored (gdisplay);
}
static void
apply_all_settings (GsdKeyboardManager *manager)
{
apply_bell (manager);
}
static void
settings_changed (GSettings *settings,
const char *key,
GsdKeyboardManager *manager)
{
if (g_strcmp0 (key, KEY_CLICK) == 0||
g_strcmp0 (key, KEY_CLICK_VOLUME) == 0 ||
g_strcmp0 (key, KEY_BELL_PITCH) == 0 ||
g_strcmp0 (key, KEY_BELL_DURATION) == 0 ||
g_strcmp0 (key, KEY_BELL_MODE) == 0) {
g_debug ("Bell setting '%s' changed, applying bell settings", key);
apply_bell (manager);
} else if (g_strcmp0 (key, KEY_BELL_CUSTOM_FILE) == 0){
g_debug ("Ignoring '%s' setting change", KEY_BELL_CUSTOM_FILE);
} else {
g_warning ("Unhandled settings change, key '%s'", key);
}
}
static void
get_sources_from_xkb_config (GsdKeyboardManager *manager)
{
GVariantBuilder builder;
GVariant *v;
gint i, n;
gchar **layouts = NULL;
gchar **variants = NULL;
v = g_dbus_proxy_get_cached_property (manager->localed, "X11Layout");
if (v) {
const gchar *s = g_variant_get_string (v, NULL);
if (*s)
layouts = g_strsplit (s, ",", -1);
g_variant_unref (v);
}
init_builder_with_sources (&builder, manager->input_sources_settings);
if (!layouts) {
g_variant_builder_add (&builder, "(ss)", INPUT_SOURCE_TYPE_XKB, DEFAULT_LAYOUT);
goto out;
}
v = g_dbus_proxy_get_cached_property (manager->localed, "X11Variant");
if (v) {
const gchar *s = g_variant_get_string (v, NULL);
if (*s)
variants = g_strsplit (s, ",", -1);
g_variant_unref (v);
}
if (variants && variants[0])
n = MIN (g_strv_length (layouts), g_strv_length (variants));
else
n = g_strv_length (layouts);
for (i = 0; i < n && layouts[i][0]; ++i) {
gchar *id;
if (variants && variants[i] && variants[i][0])
id = g_strdup_printf ("%s+%s", layouts[i], variants[i]);
else
id = g_strdup (layouts[i]);
g_variant_builder_add (&builder, "(ss)", INPUT_SOURCE_TYPE_XKB, id);
g_free (id);
}
out:
g_settings_set_value (manager->input_sources_settings, KEY_INPUT_SOURCES, g_variant_builder_end (&builder));
g_strfreev (layouts);
g_strfreev (variants);
}
static void
get_options_from_xkb_config (GsdKeyboardManager *manager)
{
GVariant *v;
gchar **options = NULL;
v = g_dbus_proxy_get_cached_property (manager->localed, "X11Options");
if (v) {
const gchar *s = g_variant_get_string (v, NULL);
if (*s)
options = g_strsplit (s, ",", -1);
g_variant_unref (v);
}
if (!options)
return;
g_settings_set_strv (manager->input_sources_settings, KEY_KEYBOARD_OPTIONS, (const gchar * const*) options);
g_strfreev (options);
}
static void
convert_libgnomekbd_options (GSettings *settings)
{
GPtrArray *opt_array;
GSettings *libgnomekbd_settings;
gchar **options, **o;
if (!schema_is_installed ("org.gnome.libgnomekbd.keyboard"))
return;
opt_array = g_ptr_array_new_with_free_func (g_free);
libgnomekbd_settings = g_settings_new ("org.gnome.libgnomekbd.keyboard");
options = g_settings_get_strv (libgnomekbd_settings, "options");
for (o = options; *o; ++o) {
gchar **strv;
strv = g_strsplit (*o, "\t", 2);
if (strv[0] && strv[1])
g_ptr_array_add (opt_array, g_strdup (strv[1]));
g_strfreev (strv);
}
g_ptr_array_add (opt_array, NULL);
g_settings_set_strv (settings, KEY_KEYBOARD_OPTIONS, (const gchar * const*) opt_array->pdata);
g_strfreev (options);
g_object_unref (libgnomekbd_settings);
g_ptr_array_free (opt_array, TRUE);
}
static void
convert_libgnomekbd_layouts (GSettings *settings)
{
GVariantBuilder builder;
GSettings *libgnomekbd_settings;
gchar **layouts, **l;
if (!schema_is_installed ("org.gnome.libgnomekbd.keyboard"))
return;
init_builder_with_sources (&builder, settings);
libgnomekbd_settings = g_settings_new ("org.gnome.libgnomekbd.keyboard");
layouts = g_settings_get_strv (libgnomekbd_settings, "layouts");
for (l = layouts; *l; ++l) {
gchar *id;
gchar **strv;
strv = g_strsplit (*l, "\t", 2);
if (strv[0] && !strv[1])
id = g_strdup (strv[0]);
else if (strv[0] && strv[1])
id = g_strdup_printf ("%s+%s", strv[0], strv[1]);
else
id = NULL;
if (id)
g_variant_builder_add (&builder, "(ss)", INPUT_SOURCE_TYPE_XKB, id);
g_free (id);
g_strfreev (strv);
}
g_settings_set_value (settings, KEY_INPUT_SOURCES, g_variant_builder_end (&builder));
g_strfreev (layouts);
g_object_unref (libgnomekbd_settings);
}
static void
maybe_convert_old_settings (GSettings *settings)
{
GVariant *sources;
gchar **options;
gchar *stamp_dir_path = NULL;
gchar *stamp_file_path = NULL;
GError *error = NULL;
stamp_dir_path = g_build_filename (g_get_user_data_dir (), PACKAGE_NAME, NULL);
if (g_mkdir_with_parents (stamp_dir_path, 0755)) {
g_warning ("Failed to create directory %s: %s", stamp_dir_path, g_strerror (errno));
goto out;
}
stamp_file_path = g_build_filename (stamp_dir_path, "input-sources-converted", NULL);
if (g_file_test (stamp_file_path, G_FILE_TEST_EXISTS))
goto out;
sources = g_settings_get_value (settings, KEY_INPUT_SOURCES);
if (g_variant_n_children (sources) < 1) {
convert_libgnomekbd_layouts (settings);
}
g_variant_unref (sources);
options = g_settings_get_strv (settings, KEY_KEYBOARD_OPTIONS);
if (g_strv_length (options) < 1)
convert_libgnomekbd_options (settings);
g_strfreev (options);
if (!g_file_set_contents (stamp_file_path, "", 0, &error)) {
g_warning ("%s", error->message);
g_error_free (error);
}
out:
g_free (stamp_file_path);
g_free (stamp_dir_path);
}
static void
maybe_create_initial_settings (GsdKeyboardManager *manager)
{
GSettings *settings;
GVariant *sources;
GVariant *options;
settings = manager->input_sources_settings;
if (g_getenv ("RUNNING_UNDER_GDM"))
return;
maybe_convert_old_settings (settings);
/* if we still don't have anything do some educated guesses */
sources = g_settings_get_value (settings, KEY_INPUT_SOURCES);
if (g_variant_n_children (sources) < 1)
get_sources_from_xkb_config (manager);
g_variant_unref (sources);
options = g_settings_get_user_value (settings, KEY_KEYBOARD_OPTIONS);
if (options == NULL)
get_options_from_xkb_config (manager);
g_variant_unref (options);
}
static void
localed_proxy_ready (GObject *source,
GAsyncResult *res,
gpointer data)
{
GsdKeyboardManager *manager = data;
GDBusProxy *proxy;
GError *error = NULL;
proxy = g_dbus_proxy_new_finish (res, &error);
if (!proxy) {
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
g_error_free (error);
return;
}
g_warning ("Failed to contact localed: %s", error->message);
g_error_free (error);
}
manager->localed = proxy;
maybe_create_initial_settings (manager);
}
static gboolean
start_keyboard_idle_cb (GsdKeyboardManager *manager)
{
gnome_settings_profile_start (NULL);
g_debug ("Starting keyboard manager");
manager->settings = g_settings_new (GSD_KEYBOARD_DIR);
manager->input_sources_settings = g_settings_new (GNOME_DESKTOP_INPUT_SOURCES_DIR);
manager->cancellable = g_cancellable_new ();
g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.locale1",
"/org/freedesktop/locale1",
"org.freedesktop.locale1",
manager->cancellable,
localed_proxy_ready,
manager);
if (!gnome_settings_is_wayland ()) {
/* apply current settings before we install the callback */
g_debug ("Started the keyboard plugin, applying all settings");
apply_all_settings (manager);
g_signal_connect (G_OBJECT (manager->settings), "changed",
G_CALLBACK (settings_changed), manager);
}
gnome_settings_profile_end (NULL);
manager->start_idle_id = 0;
return FALSE;
}
static void
gsd_keyboard_manager_startup (GApplication *app)
{
GsdKeyboardManager *manager = GSD_KEYBOARD_MANAGER (app);
gnome_settings_profile_start (NULL);
manager->start_idle_id = g_idle_add ((GSourceFunc) start_keyboard_idle_cb, manager);
g_source_set_name_by_id (manager->start_idle_id, "[gnome-settings-daemon] start_keyboard_idle_cb");
G_APPLICATION_CLASS (gsd_keyboard_manager_parent_class)->startup (app);
gnome_settings_profile_end (NULL);
}
static void
gsd_keyboard_manager_shutdown (GApplication *app)
{
GsdKeyboardManager *manager = GSD_KEYBOARD_MANAGER (app);
g_debug ("Stopping keyboard manager");
g_cancellable_cancel (manager->cancellable);
g_clear_object (&manager->cancellable);
g_clear_object (&manager->settings);
g_clear_object (&manager->input_sources_settings);
g_clear_object (&manager->localed);
g_clear_handle_id (&manager->start_idle_id, g_source_remove);
G_APPLICATION_CLASS (gsd_keyboard_manager_parent_class)->shutdown (app);
}
static void
gsd_keyboard_manager_class_init (GsdKeyboardManagerClass *klass)
{
GApplicationClass *application_class = G_APPLICATION_CLASS (klass);
application_class->startup = gsd_keyboard_manager_startup;
application_class->shutdown = gsd_keyboard_manager_shutdown;
}
static void
gsd_keyboard_manager_init (GsdKeyboardManager *manager)
{
migrate_keyboard_settings ();
}
static GVariant *
reset_gtk_im_module (GVariant *variant,
GVariant *old_default,
GVariant *new_default)
{
return NULL;
}
static void
migrate_keyboard_settings (void)
{
GsdSettingsMigrateEntry entries[] = {
{ "repeat", "repeat", NULL },
{ "repeat-interval", "repeat-interval", NULL },
{ "delay", "delay", NULL },
{ "remember-numlock-state", "remember-numlock-state", NULL },
};
g_autofree char *filename = NULL;
gsd_settings_migrate_check ("org.gnome.settings-daemon.peripherals.keyboard.deprecated",
"/org/gnome/settings-daemon/peripherals/keyboard/",
"org.gnome.desktop.peripherals.keyboard",
"/org/gnome/desktop/peripherals/keyboard/",
entries, G_N_ELEMENTS (entries));
/* In prior versions to GNOME 42, the gtk-im-module setting was
* owned by gsd-keyboard. Reset it once before giving it back
* to the user.
*/
filename = g_build_filename (g_get_user_config_dir (),
SETTINGS_PORTED_FILE,
NULL);
if (!g_file_test (filename, G_FILE_TEST_EXISTS)) {
GsdSettingsMigrateEntry im_entry[] = {
{ "gtk-im-module", "gtk-im-module", reset_gtk_im_module },
};
g_autoptr(GError) error = NULL;
gsd_settings_migrate_check ("org.gnome.desktop.interface",
"/org/gnome/desktop/interface/",
"org.gnome.desktop.interface",
"/org/gnome/desktop/interface/",
im_entry, G_N_ELEMENTS (im_entry));
if (!g_file_set_contents (filename, "", -1, &error))
g_warning ("Error migrating gtk-im-module: %s", error->message);
}
}
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