From da777d3eddb887ca326ec140dd0dd53f869f302d Mon Sep 17 00:00:00 2001 From: Mohammed Sadiq Date: Sat, 12 Nov 2022 15:32:17 +1100 Subject: datetime: Add cc-tz-item --- panels/datetime/cc-tz-item.c | 285 +++++++++++++++++++++++++++++++++++++++++++ panels/datetime/cc-tz-item.h | 40 ++++++ panels/datetime/meson.build | 1 + 3 files changed, 326 insertions(+) create mode 100644 panels/datetime/cc-tz-item.c create mode 100644 panels/datetime/cc-tz-item.h diff --git a/panels/datetime/cc-tz-item.c b/panels/datetime/cc-tz-item.c new file mode 100644 index 000000000..4c4cd17d9 --- /dev/null +++ b/panels/datetime/cc-tz-item.c @@ -0,0 +1,285 @@ +/* -*- mode: c; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* + * Copyright 2022 Purism SPC + * Copyright 2022 Mohammed Sadiq + * + * 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 3 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 . + * + * Author(s): + * Mohammed Sadiq + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "cc-tz-item" + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#define GNOME_DESKTOP_USE_UNSTABLE_API +#include +#include + +#include "cc-tz-item.h" + +#define DEFAULT_TZ "Europe/London" +#define GETTEXT_PACKAGE_TIMEZONES GETTEXT_PACKAGE "-timezones" + +struct _CcTzItem +{ + GObject parent_instance; + + GSettings *desktop_settings; + GTimeZone *tz; + GnomeWallClock *wall_clock; + + TzLocation *tz_location; + TzInfo *tz_info; + + char *name; + char *country; + char *time; + char *offset; /* eg: UTC+530 */ + char *zone; +}; + +G_DEFINE_TYPE (CcTzItem, cc_tz_item, G_TYPE_OBJECT) + +enum { + PROP_0, + PROP_COUNTRY, + PROP_NAME, + PROP_OFFSET, + PROP_TIME, + PROP_ZONE, + N_PROPS +}; + +static GParamSpec *properties[N_PROPS]; + +/* Adapted from cc-datetime-panel.c */ +static void +generate_city_name (CcTzItem *self, + TzLocation *loc) +{ + g_auto(GStrv) split_translated = NULL; + gint length; + + /* Load the translation for it */ + self->zone = g_strdup (dgettext (GETTEXT_PACKAGE_TIMEZONES, loc->zone)); + g_strdelimit (self->zone, "_", ' '); + split_translated = g_regex_split_simple ("[\\x{2044}\\x{2215}\\x{29f8}\\x{ff0f}/]", + self->zone, + 0, 0); + + length = g_strv_length (split_translated); + self->country = gnome_get_country_from_code (loc->country, NULL); + self->name = g_strdup (split_translated[length-1]); +} + +static const char * +tz_item_get_time (CcTzItem *self) +{ + g_autoptr(GDateTime) now = NULL; + GDesktopClockFormat format; + + g_assert (CC_IS_TZ_ITEM (self)); + + if (self->time) + return self->time; + + now = g_date_time_new_now (self->tz); + format = g_settings_get_enum (self->desktop_settings, "clock-format"); + + self->time = gnome_wall_clock_string_for_datetime (self->wall_clock, now, format, TRUE, FALSE, FALSE); + + return self->time; +} + +static void +tz_item_clock_changed_cb (CcTzItem *self) +{ + gboolean had_time; + + g_assert (CC_IS_TZ_ITEM (self)); + + had_time = !!self->time; + + /* Clear the time, so that it'll be re-created when asked for one */ + g_clear_pointer (&self->time, g_free); + + if (had_time) + g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TIME]); +} + +static void +cc_tz_item_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + CcTzItem *self = (CcTzItem *)object; + + switch (prop_id) + { + case PROP_COUNTRY: + g_value_set_string (value, self->country); + break; + + case PROP_NAME: + g_value_set_string (value, self->name); + break; + + case PROP_OFFSET: + g_value_set_string (value, self->offset); + break; + + case PROP_TIME: + g_value_set_string (value, tz_item_get_time (self)); + break; + + case PROP_ZONE: + g_value_set_string (value, self->zone); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +cc_tz_item_finalize (GObject *object) +{ + CcTzItem *self = (CcTzItem *)object; + + g_clear_object (&self->desktop_settings); + g_clear_object (&self->wall_clock); + + g_clear_pointer (&self->tz, g_time_zone_unref); + g_clear_pointer (&self->tz_info, tz_info_free); + + g_clear_pointer (&self->name, g_free); + g_clear_pointer (&self->country, g_free); + g_clear_pointer (&self->time, g_free); + g_clear_pointer (&self->offset, g_free); + g_clear_pointer (&self->zone, g_free); + + G_OBJECT_CLASS (cc_tz_item_parent_class)->finalize (object); +} + +static void +cc_tz_item_class_init (CcTzItemClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->get_property = cc_tz_item_get_property; + object_class->finalize = cc_tz_item_finalize; + + properties[PROP_COUNTRY] = + g_param_spec_string ("country", + "Timezone Country", + "Timezone Country", + NULL, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + properties[PROP_NAME] = + g_param_spec_string ("name", + "Timezone Name", + "Timezone Name", + NULL, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + properties[PROP_OFFSET] = + g_param_spec_string ("offset", + "Timezone offset", + "Timezone offset", + NULL, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + properties[PROP_TIME] = + g_param_spec_string ("time", + "Timezone time", + "Timezone time", + NULL, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + properties[PROP_ZONE] = + g_param_spec_string ("zone", + "Timezone zone", + "Timezone zone", + NULL, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + g_object_class_install_properties (object_class, N_PROPS, properties); +} + +static void +cc_tz_item_init (CcTzItem *self) +{ + self->desktop_settings = g_settings_new ("org.gnome.desktop.interface"); + self->wall_clock = gnome_wall_clock_new (); + + g_signal_connect_object (self->wall_clock, "notify::clock", + G_CALLBACK (tz_item_clock_changed_cb), + self, + G_CONNECT_SWAPPED); + g_signal_connect_object (self->desktop_settings, "changed::clock-format", + G_CALLBACK (tz_item_clock_changed_cb), + self, + G_CONNECT_SWAPPED); +} + +CcTzItem * +cc_tz_item_new (TzLocation *location) +{ + CcTzItem *self; + GString *offset; + + g_return_val_if_fail (location, NULL); + + self = g_object_new (CC_TYPE_TZ_ITEM, NULL); + self->tz_location = location; + self->tz_info = tz_info_from_location (location); + generate_city_name (self, location); + + self->tz = g_time_zone_new_offset (self->tz_info->utc_offset); + + offset = g_string_new (g_time_zone_get_identifier (self->tz)); + /* Strip the seconds, eg: +05:30:00 -> +05:30 */ + g_string_set_size (offset, offset->len - 3); + /* eg: +05:30 -> +0530*/ + g_string_replace (offset, ":", "", 0); + + /* If the timezone is UTC remove the time, which will always be [+]0000 */ + if (g_str_has_suffix (offset->str, "0000")) + g_string_set_size (offset, 0); + + /* eg: +0530 -> UTC+0530 */ + g_string_prepend (offset, "UTC"); + + self->offset = g_string_free (offset, FALSE); + + return self; +} + +TzLocation * +cc_tz_item_get_location (CcTzItem *self) +{ + g_return_val_if_fail (CC_IS_TZ_ITEM (self), NULL); + + return self->tz_location; +} diff --git a/panels/datetime/cc-tz-item.h b/panels/datetime/cc-tz-item.h new file mode 100644 index 000000000..e4bc28369 --- /dev/null +++ b/panels/datetime/cc-tz-item.h @@ -0,0 +1,40 @@ +/* -*- mode: c; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* + * Copyright 2022 Purism SPC + * Copyright 2022 Mohammed Sadiq + * + * 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 3 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 . + * + * Author(s): + * Mohammed Sadiq + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#pragma once + +#include + +#include "tz.h" + +G_BEGIN_DECLS + +#define CC_TYPE_TZ_ITEM (cc_tz_item_get_type ()) + +G_DECLARE_FINAL_TYPE (CcTzItem, cc_tz_item, CC, TZ_ITEM, GObject) + +CcTzItem *cc_tz_item_new (TzLocation *location); +TzLocation *cc_tz_item_get_location (CcTzItem *self); + +G_END_DECLS diff --git a/panels/datetime/meson.build b/panels/datetime/meson.build index bbaae9982..66a8965c1 100644 --- a/panels/datetime/meson.build +++ b/panels/datetime/meson.build @@ -39,6 +39,7 @@ resources = gnome.compile_resources( sources = files( 'cc-datetime-panel.c', 'cc-timezone-map.c', + 'cc-tz-item.c', 'date-endian.c', 'tz.c' ) -- cgit v1.2.1