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transmission/gtk/Application.cc

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// This file Copyright © 2005-2022 Transmission authors and contributors.
// It may be used under the MIT (SPDX: MIT) license.
// License text can be found in the licenses/ folder.
#include <algorithm>
#include <cstdlib> // exit()
#include <ctime>
#include <iterator> // for std::back_inserter
#include <map>
#include <memory>
#include <sstream>
#include <string>
#include <thread>
#include <utility>
#include <vector>
#include <locale.h>
#include <signal.h>
#include <fmt/core.h>
#include <giomm.h>
#include <glib/gmessages.h>
#include <glibmm/i18n.h>
#include <libtransmission/transmission.h>
#include <libtransmission/log.h>
#include <libtransmission/rpcimpl.h>
#include <libtransmission/utils.h>
#include <libtransmission/version.h>
#include "Actions.h"
#include "Application.h"
#include "DetailsDialog.h"
#include "Dialogs.h"
#include "HigWorkarea.h"
#include "MainWindow.h"
#include "MakeDialog.h"
#include "MessageLogWindow.h"
#include "OptionsDialog.h"
#include "Prefs.h"
#include "PrefsDialog.h"
#include "RelocateDialog.h"
#include "Session.h"
#include "StatsDialog.h"
#include "SystemTrayIcon.h"
#include "Utils.h"
using namespace std::literals;
#define SHOW_LICENSE
namespace
{
auto const AppIconName = Glib::ustring("transmission"s);
char const* const LICENSE =
"Copyright 2005-2022. All code is copyrighted by the respective authors.\n"
"\n"
"Transmission can be redistributed and/or modified under the terms of the "
"\n"
"In addition, linking to and/or using OpenSSL is allowed.\n"
"\n"
"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.\n"
"\n"
"Some of Transmission's source files have more permissive licenses. "
"Those files may, of course, be used on their own under their own terms.\n";
} // namespace
class Application::Impl
{
public:
Impl(Application& app, std::string const& config_dir, bool start_paused, bool is_iconified);
TR_DISABLE_COPY_MOVE(Impl)
void open_files(std::vector<Glib::RefPtr<Gio::File>> const& files);
void on_startup();
void on_activate();
void actions_handler(Glib::ustring const& action_name);
private:
struct counts_data
{
int total_count = 0;
int queued_count = 0;
int stopped_count = 0;
};
private:
void show_details_dialog_for_selected_torrents();
void show_about_dialog();
bool refresh_actions();
void refresh_actions_soon();
void on_main_window_size_allocated(Gtk::Allocation& alloc);
bool on_main_window_focus_in(GdkEventFocus* event);
void on_drag_data_received(
Glib::RefPtr<Gdk::DragContext> const& drag_context,
gint x,
gint y,
Gtk::SelectionData const& selection_data,
guint info,
guint time_);
bool on_rpc_changed_idle(tr_rpc_callback_type type, tr_torrent_id_t torrent_id);
void placeWindowFromPrefs();
void presentMainWindow();
void hideMainWindow();
void toggleMainWindow();
bool winclose(GdkEventAny* event);
void rowChangedCB(Gtk::TreePath const& path, Gtk::TreeModel::iterator const& iter);
void app_setup();
void main_window_setup();
bool on_session_closed();
void on_app_exit();
void show_torrent_errors(Glib::ustring const& primary, std::vector<std::string>& files);
void flush_torrent_errors();
bool update_model_once();
void update_model_soon();
bool update_model_loop();
void on_core_busy(bool busy);
void on_core_error(Session::ErrorCode code, Glib::ustring const& msg);
void on_add_torrent(tr_ctor* ctor);
void on_prefs_changed(tr_quark key);
std::vector<tr_torrent_id_t> get_selected_torrent_ids() const;
tr_torrent* get_first_selected_torrent() const;
counts_data get_selected_torrent_counts() const;
void start_all_torrents();
void pause_all_torrents();
void copy_magnet_link_to_clipboard(tr_torrent* tor) const;
bool call_rpc_for_selected_torrents(std::string const& method);
void remove_selected(bool delete_files);
static tr_rpc_callback_status on_rpc_changed(
tr_session* session,
tr_rpc_callback_type type,
tr_torrent* tor,
gpointer gdata);
private:
Application& app_;
std::string config_dir_;
bool start_paused_ = false;
bool is_iconified_ = false;
bool is_closing_ = false;
Glib::RefPtr<Gtk::Builder> ui_builder_;
unsigned int activation_count_ = 0;
sigc::connection timer_;
sigc::connection update_model_soon_tag_;
sigc::connection refresh_actions_tag_;
std::unique_ptr<SystemTrayIcon> icon_;
std::unique_ptr<MainWindow> wind_;
Glib::RefPtr<Session> core_;
std::unique_ptr<MessageLogWindow> msgwin_;
std::unique_ptr<PrefsDialog> prefs_;
std::vector<std::string> error_list_;
std::vector<std::string> duplicates_list_;
std::map<std::string, std::unique_ptr<DetailsDialog>> details_;
Glib::RefPtr<Gtk::TreeSelection> sel_;
};
namespace
{
template<typename T>
void gtr_window_present(T const& window)
{
window->present(gtk_get_current_event_time());
}
/***
****
**** DETAILS DIALOGS MANAGEMENT
****
***/
std::string get_details_dialog_key(std::vector<tr_torrent_id_t> const& id_list)
{
auto tmp = id_list;
std::sort(tmp.begin(), tmp.end());
std::ostringstream gstr;
for (auto const id : tmp)
{
gstr << id << ' ';
}
return gstr.str();
}
} // namespace
std::vector<tr_torrent_id_t> Application::Impl::get_selected_torrent_ids() const
{
std::vector<tr_torrent_id_t> ids;
sel_->selected_foreach([&ids](auto const& /*path*/, auto const& iter)
{ ids.push_back(iter->get_value(torrent_cols.torrent_id)); });
return ids;
}
void Application::Impl::show_details_dialog_for_selected_torrents()
{
auto const ids = get_selected_torrent_ids();
auto const key = get_details_dialog_key(ids);
auto dialog_it = details_.find(key);
if (dialog_it == details_.end())
{
auto dialog = DetailsDialog::create(*wind_, core_);
dialog->set_torrents(ids);
dialog->signal_hide().connect([this, key]() { details_.erase(key); });
dialog_it = details_.try_emplace(key, std::move(dialog)).first;
dialog_it->second->show();
}
gtr_window_present(dialog_it->second);
}
/****
*****
***** ON SELECTION CHANGED
*****
****/
Application::Impl::counts_data Application::Impl::get_selected_torrent_counts() const
{
counts_data counts;
sel_->selected_foreach(
[&counts](auto const& /*path*/, auto const& iter)
{
++counts.total_count;
auto const activity = iter->get_value(torrent_cols.activity);
if (activity == TR_STATUS_DOWNLOAD_WAIT || activity == TR_STATUS_SEED_WAIT)
{
++counts.queued_count;
}
if (activity == TR_STATUS_STOPPED)
{
++counts.stopped_count;
}
});
return counts;
}
bool Application::Impl::refresh_actions()
{
if (!is_closing_)
{
size_t const total = core_->get_torrent_count();
size_t const active = core_->get_active_torrent_count();
auto const torrent_count = core_->get_model()->children().size();
bool has_selection;
auto const sel_counts = get_selected_torrent_counts();
has_selection = sel_counts.total_count > 0;
gtr_action_set_sensitive("select-all", torrent_count != 0);
gtr_action_set_sensitive("deselect-all", torrent_count != 0);
gtr_action_set_sensitive("pause-all-torrents", active != 0);
gtr_action_set_sensitive("start-all-torrents", active != total);
gtr_action_set_sensitive("torrent-stop", (sel_counts.stopped_count < sel_counts.total_count));
gtr_action_set_sensitive("torrent-start", (sel_counts.stopped_count) > 0);
gtr_action_set_sensitive("torrent-start-now", (sel_counts.stopped_count + sel_counts.queued_count) > 0);
gtr_action_set_sensitive("torrent-verify", has_selection);
gtr_action_set_sensitive("remove-torrent", has_selection);
gtr_action_set_sensitive("delete-torrent", has_selection);
gtr_action_set_sensitive("relocate-torrent", has_selection);
gtr_action_set_sensitive("queue-move-top", has_selection);
gtr_action_set_sensitive("queue-move-up", has_selection);
gtr_action_set_sensitive("queue-move-down", has_selection);
gtr_action_set_sensitive("queue-move-bottom", has_selection);
gtr_action_set_sensitive("show-torrent-properties", has_selection);
gtr_action_set_sensitive("open-torrent-folder", sel_counts.total_count == 1);
gtr_action_set_sensitive("copy-magnet-link-to-clipboard", sel_counts.total_count == 1);
bool canUpdate = false;
sel_->selected_foreach(
[&canUpdate](auto const& /*path*/, auto const& iter)
{
auto const* tor = static_cast<tr_torrent const*>(iter->get_value(torrent_cols.torrent));
canUpdate = canUpdate || tr_torrentCanManualUpdate(tor);
});
gtr_action_set_sensitive("torrent-reannounce", canUpdate);
}
refresh_actions_tag_.disconnect();
return false;
}
void Application::Impl::refresh_actions_soon()
{
if (!is_closing_ && !refresh_actions_tag_.connected())
{
refresh_actions_tag_ = Glib::signal_idle().connect(sigc::mem_fun(*this, &Impl::refresh_actions));
}
}
/***
****
***/
namespace
{
bool has_magnet_link_handler()
{
return bool{ Gio::AppInfo::get_default_for_uri_scheme("magnet") };
}
void register_magnet_link_handler()
{
std::string const content_type = "x-scheme-handler/magnet";
try
{
auto const app = Gio::AppInfo::create_from_commandline(
"transmission-gtk",
"transmission-gtk",
Gio::APP_INFO_CREATE_SUPPORTS_URIS);
app->set_as_default_for_type(content_type);
}
catch (Gio::Error const& e)
{
auto const msg = fmt::format(
_("Couldn't register Transmission as a {content_type} handler: {error} ({error_code})"),
fmt::arg("content_type", content_type),
fmt::arg("error", e.what()),
fmt::arg("error_code", e.code()));
g_warning("%s", msg.c_str());
}
}
void ensure_magnet_handler_exists()
{
if (!has_magnet_link_handler())
{
register_magnet_link_handler();
}
}
} // namespace
void Application::Impl::on_main_window_size_allocated(Gtk::Allocation& /*alloc*/)
{
auto const gdk_window = wind_->get_window();
bool const is_maximized = gdk_window != nullptr && (gdk_window->get_state() & Gdk::WINDOW_STATE_MAXIMIZED) != 0;
gtr_pref_int_set(TR_KEY_main_window_is_maximized, is_maximized);
if (!is_maximized)
{
int x;
int y;
int w;
int h;
wind_->get_position(x, y);
wind_->get_size(w, h);
gtr_pref_int_set(TR_KEY_main_window_x, x);
gtr_pref_int_set(TR_KEY_main_window_y, y);
gtr_pref_int_set(TR_KEY_main_window_width, w);
gtr_pref_int_set(TR_KEY_main_window_height, h);
}
}
/***
**** listen to changes that come from RPC
***/
bool Application::Impl::on_rpc_changed_idle(tr_rpc_callback_type type, tr_torrent_id_t torrent_id)
{
switch (type)
{
case TR_RPC_SESSION_CLOSE:
gtr_action_activate("quit");
break;
case TR_RPC_TORRENT_ADDED:
if (auto* tor = core_->find_torrent(torrent_id); tor != nullptr)
{
core_->add_torrent(tor, true);
}
break;
case TR_RPC_TORRENT_REMOVING:
core_->remove_torrent(torrent_id, false);
break;
case TR_RPC_TORRENT_TRASHING:
core_->remove_torrent(torrent_id, true);
break;
case TR_RPC_SESSION_CHANGED:
{
tr_variant tmp;
tr_variant* newval;
tr_variant* oldvals = gtr_pref_get_all();
tr_quark key;
std::vector<tr_quark> changed_keys;
auto const* const session = core_->get_session();
tr_variantInitDict(&tmp, 100);
tr_sessionGetSettings(session, &tmp);
for (int i = 0; tr_variantDictChild(&tmp, i, &key, &newval); ++i)
{
bool changed;
if (tr_variant const* oldval = tr_variantDictFind(oldvals, key); oldval == nullptr)
{
changed = true;
}
else
{
auto const a = tr_variantToStr(oldval, TR_VARIANT_FMT_BENC);
auto const b = tr_variantToStr(newval, TR_VARIANT_FMT_BENC);
changed = a != b;
}
if (changed)
{
changed_keys.push_back(key);
}
}
tr_sessionGetSettings(session, oldvals);
for (auto const changed_key : changed_keys)
{
core_->signal_prefs_changed().emit(changed_key);
}
tr_variantClear(&tmp);
break;
}
case TR_RPC_TORRENT_CHANGED:
case TR_RPC_TORRENT_MOVED:
case TR_RPC_TORRENT_STARTED:
case TR_RPC_TORRENT_STOPPED:
case TR_RPC_SESSION_QUEUE_POSITIONS_CHANGED:
/* nothing interesting to do here */
break;
default:
g_assert_not_reached();
}
return false;
}
tr_rpc_callback_status Application::Impl::on_rpc_changed(
tr_session* /*session*/,
tr_rpc_callback_type type,
tr_torrent* tor,
gpointer gdata)
{
auto* impl = static_cast<Impl*>(gdata);
auto const torrent_id = tr_torrentId(tor);
Glib::signal_idle().connect([impl, type, torrent_id]() { return impl->on_rpc_changed_idle(type, torrent_id); });
return TR_RPC_NOREMOVE;
}
/***
**** signal handling
***/
namespace
{
sig_atomic_t global_sigcount = 0;
gpointer sighandler_cbdata = nullptr;
void signal_handler(int sig)
{
if (++global_sigcount > 1)
{
signal(sig, SIG_DFL);
raise(sig);
}
else if (sig == SIGINT || sig == SIGTERM)
{
g_message(_("Got signal %d; trying to shut down cleanly. Do it again if it gets stuck."), sig);
gtr_actions_handler("quit", sighandler_cbdata);
}
}
} // namespace
/****
*****
*****
****/
void Application::on_startup()
{
Gtk::Application::on_startup();
impl_->on_startup();
}
void Application::Impl::on_startup()
{
Gtk::IconTheme::get_default()->add_resource_path(gtr_get_full_resource_path("icons"s));
Gtk::Window::set_default_icon_name(AppIconName);
tr_session* session;
::signal(SIGINT, signal_handler);
::signal(SIGTERM, signal_handler);
sighandler_cbdata = this;
/* ensure the directories are created */
if (auto const str = gtr_pref_string_get(TR_KEY_download_dir); !str.empty())
{
(void)g_mkdir_with_parents(str.c_str(), 0777);
}
if (auto const str = gtr_pref_string_get(TR_KEY_incomplete_dir); !str.empty())
{
(void)g_mkdir_with_parents(str.c_str(), 0777);
}
/* initialize the libtransmission session */
session = tr_sessionInit(config_dir_.c_str(), true, gtr_pref_get_all());
gtr_pref_flag_set(TR_KEY_alt_speed_enabled, tr_sessionUsesAltSpeed(session));
gtr_pref_int_set(TR_KEY_peer_port, tr_sessionGetPeerPort(session));
core_ = Session::create(session);
/* init the ui manager */
ui_builder_ = Gtk::Builder::create_from_resource(gtr_get_full_resource_path("transmission-ui.xml"s));
auto const actions = gtr_actions_init(ui_builder_, this);
app_.set_menubar(gtr_action_get_object<Gio::Menu>("main-window-menu"));
/* create main window now to be a parent to any error dialogs */
wind_ = MainWindow::create(app_, actions, core_);
wind_->signal_size_allocate().connect(sigc::mem_fun(*this, &Impl::on_main_window_size_allocated));
app_.hold();
app_setup();
tr_sessionSetRPCCallback(session, &Impl::on_rpc_changed, this);
/* check & see if it's time to update the blocklist */
if (gtr_pref_flag_get(TR_KEY_blocklist_enabled) && gtr_pref_flag_get(TR_KEY_blocklist_updates_enabled))
{
int64_t const last_time = gtr_pref_int_get(TR_KEY_blocklist_date);
int const SECONDS_IN_A_WEEK = 7 * 24 * 60 * 60;
time_t const now = time(nullptr);
if (last_time + SECONDS_IN_A_WEEK < now)
{
core_->blocklist_update();
}
}
/* if there's no magnet link handler registered, register us */
ensure_magnet_handler_exists();
}
void Application::on_activate()
{
Gtk::Application::on_activate();
impl_->on_activate();
}
void Application::Impl::on_activate()
{
activation_count_++;
/* GApplication emits an 'activate' signal when bootstrapping the primary.
* Ordinarily we handle that by presenting the main window, but if the user
* started Transmission minimized, ignore that initial signal... */
if (is_iconified_ && activation_count_ == 1)
{
return;
}
gtr_action_activate("present-main-window");
}
void Application::Impl::open_files(std::vector<Glib::RefPtr<Gio::File>> const& files)
{
bool const do_start = gtr_pref_flag_get(TR_KEY_start_added_torrents) && !start_paused_;
bool const do_prompt = gtr_pref_flag_get(TR_KEY_show_options_window);
bool const do_notify = true;
core_->add_files(files, do_start, do_prompt, do_notify);
}
void Application::on_open(std::vector<Glib::RefPtr<Gio::File>> const& files, Glib::ustring const& hint)
{
Gtk::Application::on_open(files, hint);
impl_->open_files(files);
}
namespace
{
std::string get_application_id(std::string const& config_dir)
{
struct stat sb = {};
(void)::stat(config_dir.c_str(), &sb);
return fmt::format("com.transmissionbt.transmission_{}_{}", sb.st_dev, sb.st_ino);
}
} // namespace
Application::Application(std::string const& config_dir, bool start_paused, bool is_iconified)
: Gtk::Application(get_application_id(config_dir), Gio::APPLICATION_HANDLES_OPEN)
, impl_(std::make_unique<Impl>(*this, config_dir, start_paused, is_iconified))
{
}
Application::~Application() = default;
Application::Impl::Impl(Application& app, std::string const& config_dir, bool start_paused, bool is_iconified)
: app_(app)
, config_dir_(config_dir)
, start_paused_(start_paused)
, is_iconified_(is_iconified)
{
}
void Application::Impl::on_core_busy(bool busy)
{
wind_->set_busy(busy);
}
void Application::Impl::app_setup()
{
if (is_iconified_)
{
gtr_pref_flag_set(TR_KEY_show_notification_area_icon, true);
}
gtr_actions_set_core(core_);
/* set up core handlers */
core_->signal_busy().connect(sigc::mem_fun(*this, &Impl::on_core_busy));
core_->signal_add_error().connect(sigc::mem_fun(*this, &Impl::on_core_error));
core_->signal_add_prompt().connect(sigc::mem_fun(*this, &Impl::on_add_torrent));
core_->signal_prefs_changed().connect(sigc::mem_fun(*this, &Impl::on_prefs_changed));
/* add torrents from command-line and saved state */
core_->load(start_paused_);
core_->torrents_added();
/* set up main window */
main_window_setup();
/* set up the icon */
on_prefs_changed(TR_KEY_show_notification_area_icon);
/* start model update timer */
timer_ = Glib::signal_timeout().connect_seconds(
sigc::mem_fun(*this, &Impl::update_model_loop),
MAIN_WINDOW_REFRESH_INTERVAL_SECONDS);
update_model_once();
/* either show the window or iconify it */
if (!is_iconified_)
{
wind_->show();
gtr_action_set_toggled("toggle-main-window", true);
}
else
{
wind_->set_skip_taskbar_hint(icon_ != nullptr);
is_iconified_ = false; // ensure that the next toggle iconifies
gtr_action_set_toggled("toggle-main-window", false);
}
if (!gtr_pref_flag_get(TR_KEY_user_has_given_informed_consent))
{
Gtk::MessageDialog w(
*wind_,
_("Transmission is a file sharing program. When you run a torrent, its data will be "
"made available to others by means of upload. Any content you share is your sole responsibility."),
false,
Gtk::MESSAGE_OTHER,
Gtk::BUTTONS_NONE,
true);
w.add_button(_("_Cancel"), Gtk::RESPONSE_REJECT);
w.add_button(_("I _Agree"), Gtk::RESPONSE_ACCEPT);
w.set_default_response(Gtk::RESPONSE_ACCEPT);
if (w.run() == Gtk::RESPONSE_ACCEPT)
{
// only show it once
gtr_pref_flag_set(TR_KEY_user_has_given_informed_consent, true);
}
else
{
exit(0);
}
}
}
void Application::Impl::placeWindowFromPrefs()
{
wind_->resize((int)gtr_pref_int_get(TR_KEY_main_window_width), (int)gtr_pref_int_get(TR_KEY_main_window_height));
wind_->move((int)gtr_pref_int_get(TR_KEY_main_window_x), (int)gtr_pref_int_get(TR_KEY_main_window_y));
}
void Application::Impl::presentMainWindow()
{
gtr_action_set_toggled("toggle-main-window", true);
if (is_iconified_)
{
is_iconified_ = false;
wind_->set_skip_taskbar_hint(false);
}
if (!wind_->get_visible())
{
placeWindowFromPrefs();
gtr_widget_set_visible(*wind_, true);
}
gtr_window_present(wind_);
wind_->get_window()->raise();
}
void Application::Impl::hideMainWindow()
{
gtr_action_set_toggled("toggle-main-window", false);
wind_->set_skip_taskbar_hint(true);
gtr_widget_set_visible(*wind_, false);
is_iconified_ = true;
}
void Application::Impl::toggleMainWindow()
{
if (is_iconified_)
{
presentMainWindow();
}
else
{
hideMainWindow();
}
}
bool Application::Impl::winclose(GdkEventAny* /*event*/)
{
if (icon_ != nullptr)
{
gtr_action_activate("toggle-main-window");
}
else
{
on_app_exit();
}
return true; /* don't propagate event further */
}
void Application::Impl::rowChangedCB(Gtk::TreePath const& path, Gtk::TreeModel::iterator const& /*iter*/)
{
if (sel_->is_selected(path))
{
refresh_actions_soon();
}
}
void Application::Impl::on_drag_data_received(
Glib::RefPtr<Gdk::DragContext> const& drag_context,
gint /*x*/,
gint /*y*/,
Gtk::SelectionData const& selection_data,
guint /*info*/,
guint time_)
{
if (auto const uris = selection_data.get_uris(); !uris.empty())
{
auto files = std::vector<Glib::RefPtr<Gio::File>>();
files.reserve(uris.size());
std::transform(uris.begin(), uris.end(), std::back_inserter(files), &Gio::File::create_for_uri);
open_files(files);
}
else
{
auto const text = gtr_str_strip(selection_data.get_text());
if (!text.empty())
{
core_->add_from_url(text);
}
}
drag_context->drag_finish(true, false, time_);
}
void Application::Impl::main_window_setup()
{
// g_assert(nullptr == cbdata->wind);
// cbdata->wind = wind;
sel_ = wind_->get_selection();
sel_->signal_changed().connect(sigc::mem_fun(*this, &Impl::refresh_actions_soon));
refresh_actions_soon();
auto const model = core_->get_model();
model->signal_row_changed().connect(sigc::mem_fun(*this, &Impl::rowChangedCB));
wind_->signal_delete_event().connect(sigc::mem_fun(*this, &Impl::winclose));
refresh_actions();
/* register to handle URIs that get dragged onto our main window */
wind_->drag_dest_set(Gtk::DEST_DEFAULT_ALL, Gdk::ACTION_COPY);
wind_->drag_dest_add_uri_targets();
wind_->drag_dest_add_text_targets(); /* links dragged from browsers are text */
wind_->signal_drag_data_received().connect(sigc::mem_fun(*this, &Impl::on_drag_data_received));
}
bool Application::Impl::on_session_closed()
{
details_.clear();
prefs_.reset();
wind_.reset();
core_.reset();
icon_.reset();
error_list_.clear();
duplicates_list_.clear();
app_.release();
return false;
}
void Application::Impl::on_app_exit()
{
if (is_closing_)
{
return;
}
is_closing_ = true;
/* stop the update timer */
timer_.disconnect();
/* stop the refresh-actions timer */
refresh_actions_tag_.disconnect();
auto* c = static_cast<Gtk::Container*>(wind_.get());
c->remove(*static_cast<Gtk::Bin*>(c)->get_child());
auto* p = Gtk::make_managed<Gtk::Grid>();
p->set_column_spacing(GUI_PAD_BIG);
p->set_halign(Gtk::ALIGN_CENTER);
p->set_valign(Gtk::ALIGN_CENTER);
c->add(*p);
auto* icon = Gtk::make_managed<Gtk::Image>("network-workgroup", Gtk::ICON_SIZE_DIALOG);
p->attach(*icon, 0, 0, 1, 2);
auto* top_label = Gtk::make_managed<Gtk::Label>();
top_label->set_markup(fmt::format(FMT_STRING("<b>{:s}</b>"), _("Closing Connections…")));
top_label->set_halign(Gtk::ALIGN_START);
top_label->set_valign(Gtk::ALIGN_CENTER);
p->attach(*top_label, 1, 0, 1, 1);
auto* bottom_label = Gtk::make_managed<Gtk::Label>(_("Sending upload/download totals to tracker…"));
bottom_label->set_halign(Gtk::ALIGN_START);
bottom_label->set_valign(Gtk::ALIGN_CENTER);
p->attach(*bottom_label, 1, 1, 1, 1);
auto* button = Gtk::make_managed<Gtk::Button>(_("_Quit Now"), true);
button->set_margin_top(GUI_PAD);
button->set_halign(Gtk::ALIGN_START);
button->set_valign(Gtk::ALIGN_END);
button->signal_clicked().connect([]() { ::exit(0); });
p->attach(*button, 1, 2, 1, 1);
p->show_all();
button->grab_focus();
/* clear the UI */
core_->clear();
/* ensure the window is in its previous position & size.
* this seems to be necessary because changing the main window's
* child seems to unset the size */
placeWindowFromPrefs();
/* shut down libT */
/* since tr_sessionClose () is a blocking function,
* delegate its call to another thread here... when it's done,
* punt the GUI teardown back to the GTK+ thread */
std::thread(
[this, session = core_->close()]()
{
tr_sessionClose(session);
Glib::signal_idle().connect(sigc::mem_fun(*this, &Impl::on_session_closed));
})
.detach();
}
void Application::Impl::show_torrent_errors(Glib::ustring const& primary, std::vector<std::string>& files)
{
std::ostringstream s;
auto const leader = files.size() > 1 ? gtr_get_unicode_string(GtrUnicode::Bullet) : "";
for (auto const& f : files)
{
s << leader << ' ' << f << '\n';
}
Gtk::MessageDialog w(*wind_, primary, false, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_CLOSE);
w.set_secondary_text(s.str());
w.run();
files.clear();
}
void Application::Impl::flush_torrent_errors()
{
if (!error_list_.empty())
{
show_torrent_errors(
ngettext("Couldn't add corrupt torrent", "Couldn't add corrupt torrents", error_list_.size()),
error_list_);
}
if (!duplicates_list_.empty())
{
show_torrent_errors(
ngettext("Couldn't add duplicate torrent", "Couldn't add duplicate torrents", duplicates_list_.size()),
duplicates_list_);
}
}
void Application::Impl::on_core_error(Session::ErrorCode code, Glib::ustring const& msg)
{
switch (code)
{
case Session::ERR_ADD_TORRENT_ERR:
error_list_.push_back(Glib::path_get_basename(msg));
break;
case Session::ERR_ADD_TORRENT_DUP:
duplicates_list_.push_back(msg);
break;
case Session::ERR_NO_MORE_TORRENTS:
flush_torrent_errors();
break;
default:
g_assert_not_reached();
break;
}
}
bool Application::Impl::on_main_window_focus_in(GdkEventFocus* /*event*/)
{
if (wind_ != nullptr)
{
wind_->set_urgency_hint(false);
}
return false;
}
void Application::Impl::on_add_torrent(tr_ctor* ctor)
{
auto w = std::shared_ptr<OptionsDialog>(
OptionsDialog::create(*wind_, core_, std::unique_ptr<tr_ctor, decltype(&tr_ctorFree)>(ctor, &tr_ctorFree)));
w->signal_hide().connect([w]() mutable { w.reset(); });
w->signal_focus_in_event().connect(sigc::mem_fun(*this, &Impl::on_main_window_focus_in));
if (wind_ != nullptr)
{
wind_->set_urgency_hint(true);
}
w->show();
}
void Application::Impl::on_prefs_changed(tr_quark const key)
{
auto* tr = core_->get_session();
switch (key)
{
case TR_KEY_encryption:
tr_sessionSetEncryption(tr, static_cast<tr_encryption_mode>(gtr_pref_int_get(key)));
break;
case TR_KEY_default_trackers:
tr_sessionSetDefaultTrackers(tr, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_download_dir:
tr_sessionSetDownloadDir(tr, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_message_level:
tr_logSetLevel(static_cast<tr_log_level>(gtr_pref_int_get(key)));
break;
case TR_KEY_peer_port:
tr_sessionSetPeerPort(tr, gtr_pref_int_get(key));
break;
case TR_KEY_blocklist_enabled:
tr_blocklistSetEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_blocklist_url:
tr_blocklistSetURL(tr, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_show_notification_area_icon:
if (bool const show = gtr_pref_flag_get(key); show && icon_ == nullptr)
{
icon_ = std::make_unique<SystemTrayIcon>(*wind_, core_);
}
else if (!show && icon_ != nullptr)
{
icon_.reset();
}
break;
case TR_KEY_speed_limit_down_enabled:
tr_sessionLimitSpeed(tr, TR_DOWN, gtr_pref_flag_get(key));
break;
case TR_KEY_speed_limit_down:
tr_sessionSetSpeedLimit_KBps(tr, TR_DOWN, gtr_pref_int_get(key));
break;
case TR_KEY_speed_limit_up_enabled:
tr_sessionLimitSpeed(tr, TR_UP, gtr_pref_flag_get(key));
break;
case TR_KEY_speed_limit_up:
tr_sessionSetSpeedLimit_KBps(tr, TR_UP, gtr_pref_int_get(key));
break;
case TR_KEY_ratio_limit_enabled:
tr_sessionSetRatioLimited(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_ratio_limit:
tr_sessionSetRatioLimit(tr, gtr_pref_double_get(key));
break;
case TR_KEY_idle_seeding_limit:
tr_sessionSetIdleLimit(tr, gtr_pref_int_get(key));
break;
case TR_KEY_idle_seeding_limit_enabled:
tr_sessionSetIdleLimited(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_port_forwarding_enabled:
tr_sessionSetPortForwardingEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_pex_enabled:
tr_sessionSetPexEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_rename_partial_files:
tr_sessionSetIncompleteFileNamingEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_download_queue_size:
tr_sessionSetQueueSize(tr, TR_DOWN, gtr_pref_int_get(key));
break;
case TR_KEY_queue_stalled_minutes:
tr_sessionSetQueueStalledMinutes(tr, gtr_pref_int_get(key));
break;
case TR_KEY_dht_enabled:
tr_sessionSetDHTEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_utp_enabled:
tr_sessionSetUTPEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_lpd_enabled:
tr_sessionSetLPDEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_rpc_port:
tr_sessionSetRPCPort(tr, gtr_pref_int_get(key));
break;
case TR_KEY_rpc_enabled:
tr_sessionSetRPCEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_rpc_whitelist:
tr_sessionSetRPCWhitelist(tr, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_rpc_whitelist_enabled:
tr_sessionSetRPCWhitelistEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_rpc_username:
tr_sessionSetRPCUsername(tr, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_rpc_password:
tr_sessionSetRPCPassword(tr, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_rpc_authentication_required:
tr_sessionSetRPCPasswordEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_alt_speed_up:
tr_sessionSetAltSpeed_KBps(tr, TR_UP, gtr_pref_int_get(key));
break;
case TR_KEY_alt_speed_down:
tr_sessionSetAltSpeed_KBps(tr, TR_DOWN, gtr_pref_int_get(key));
break;
case TR_KEY_alt_speed_enabled:
{
bool const b = gtr_pref_flag_get(key);
tr_sessionUseAltSpeed(tr, b);
gtr_action_set_toggled(tr_quark_get_string(key), b);
break;
}
case TR_KEY_alt_speed_time_begin:
tr_sessionSetAltSpeedBegin(tr, gtr_pref_int_get(key));
break;
case TR_KEY_alt_speed_time_end:
tr_sessionSetAltSpeedEnd(tr, gtr_pref_int_get(key));
break;
case TR_KEY_alt_speed_time_enabled:
tr_sessionUseAltSpeedTime(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_alt_speed_time_day:
tr_sessionSetAltSpeedDay(tr, static_cast<tr_sched_day>(gtr_pref_int_get(key)));
break;
case TR_KEY_peer_port_random_on_start:
tr_sessionSetPeerPortRandomOnStart(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_incomplete_dir:
tr_sessionSetIncompleteDir(tr, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_incomplete_dir_enabled:
tr_sessionSetIncompleteDirEnabled(tr, gtr_pref_flag_get(key));
break;
case TR_KEY_script_torrent_done_enabled:
tr_sessionSetScriptEnabled(tr, TR_SCRIPT_ON_TORRENT_DONE, gtr_pref_flag_get(key));
break;
case TR_KEY_script_torrent_done_filename:
tr_sessionSetScript(tr, TR_SCRIPT_ON_TORRENT_DONE, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_script_torrent_done_seeding_enabled:
tr_sessionSetScriptEnabled(tr, TR_SCRIPT_ON_TORRENT_DONE_SEEDING, gtr_pref_flag_get(key));
break;
case TR_KEY_script_torrent_done_seeding_filename:
tr_sessionSetScript(tr, TR_SCRIPT_ON_TORRENT_DONE_SEEDING, gtr_pref_string_get(key).c_str());
break;
case TR_KEY_start_added_torrents:
tr_sessionSetPaused(tr, !gtr_pref_flag_get(key));
break;
case TR_KEY_trash_original_torrent_files:
tr_sessionSetDeleteSource(tr, gtr_pref_flag_get(key));
break;
default:
break;
}
}
bool Application::Impl::update_model_once()
{
/* update the torrent data in the model */
core_->update();
/* refresh the main window's statusbar and toolbar buttons */
if (wind_ != nullptr)
{
wind_->refresh();
}
/* update the actions */
refresh_actions();
/* update the status tray icon */
if (icon_ != nullptr)
{
icon_->refresh();
}
update_model_soon_tag_.disconnect();
return false;
}
void Application::Impl::update_model_soon()
{
if (!update_model_soon_tag_.connected())
{
update_model_soon_tag_ = Glib::signal_idle().connect(sigc::mem_fun(*this, &Impl::update_model_once));
}
}
bool Application::Impl::update_model_loop()
{
bool const done = global_sigcount != 0;
if (!done)
{
update_model_once();
}
return !done;
}
void Application::Impl::show_about_dialog()
{
auto const uri = Glib::ustring("https://transmissionbt.com/");
auto const authors = std::vector<Glib::ustring>({
"Charles Kerr (Backend; GTK+)",
"Mitchell Livingston (Backend; macOS)",
"Mike Gelfand",
});
Gtk::AboutDialog d;
d.set_authors(authors);
d.set_comments(_("A fast and easy BitTorrent client"));
d.set_copyright(_("Copyright © The Transmission Project"));
d.set_logo_icon_name(AppIconName);
d.set_name(Glib::get_application_name());
/* Translators: translate "translator-credits" as your name
to have it appear in the credits in the "About"
dialog */
d.set_translator_credits(_("translator-credits"));
d.set_version(LONG_VERSION_STRING);
d.set_website(uri);
d.set_website_label(uri);
#ifdef SHOW_LICENSE
d.set_license(LICENSE);
d.set_wrap_license(true);
#endif
d.set_transient_for(*wind_);
d.run();
}
bool Application::Impl::call_rpc_for_selected_torrents(std::string const& method)
{
tr_variant top;
tr_variant* args;
tr_variant* ids;
bool invoked = false;
auto* session = core_->get_session();
tr_variantInitDict(&top, 2);
tr_variantDictAddStrView(&top, TR_KEY_method, method);
args = tr_variantDictAddDict(&top, TR_KEY_arguments, 1);
ids = tr_variantDictAddList(args, TR_KEY_ids, 0);
sel_->selected_foreach(
[ids](auto const& /*path*/, auto const& iter)
{
auto const* const tor = static_cast<tr_torrent*>(iter->get_value(torrent_cols.torrent));
tr_variantListAddInt(ids, tr_torrentId(tor));
});
if (tr_variantListSize(ids) != 0)
{
tr_rpc_request_exec_json(session, &top, nullptr, nullptr);
invoked = true;
}
tr_variantClear(&top);
return invoked;
}
void Application::Impl::remove_selected(bool delete_files)
{
auto l = std::vector<tr_torrent_id_t>{};
sel_->selected_foreach([&l](auto const& /*path*/, auto const& iter)
{ l.push_back(iter->get_value(torrent_cols.torrent_id)); });
if (!l.empty())
{
gtr_confirm_remove(*wind_, core_, l, delete_files);
}
}
void Application::Impl::start_all_torrents()
{
auto* session = core_->get_session();
tr_variant request;
tr_variantInitDict(&request, 1);
tr_variantDictAddStrView(&request, TR_KEY_method, "torrent-start"sv);
tr_rpc_request_exec_json(session, &request, nullptr, nullptr);
tr_variantClear(&request);
}
void Application::Impl::pause_all_torrents()
{
auto* session = core_->get_session();
tr_variant request;
tr_variantInitDict(&request, 1);
tr_variantDictAddStrView(&request, TR_KEY_method, "torrent-stop"sv);
tr_rpc_request_exec_json(session, &request, nullptr, nullptr);
tr_variantClear(&request);
}
tr_torrent* Application::Impl::get_first_selected_torrent() const
{
tr_torrent* tor = nullptr;
Glib::RefPtr<Gtk::TreeModel> m;
if (auto const l = sel_->get_selected_rows(m); !l.empty())
{
if (auto iter = m->get_iter(l.front()); iter)
{
tor = static_cast<tr_torrent*>(iter->get_value(torrent_cols.torrent));
}
}
return tor;
}
void Application::Impl::copy_magnet_link_to_clipboard(tr_torrent* tor) const
{
auto const magnet = tr_torrentGetMagnetLink(tor);
auto const display = wind_->get_display();
GdkAtom selection;
Glib::RefPtr<Gtk::Clipboard> clipboard;
/* this is The Right Thing for copy/paste... */
selection = GDK_SELECTION_CLIPBOARD;
clipboard = Gtk::Clipboard::get_for_display(display, selection);
clipboard->set_text(magnet);
/* ...but people using plain ol' X need this instead */
selection = GDK_SELECTION_PRIMARY;
clipboard = Gtk::Clipboard::get_for_display(display, selection);
clipboard->set_text(magnet);
}
void gtr_actions_handler(Glib::ustring const& action_name, gpointer user_data)
{
static_cast<Application::Impl*>(user_data)->actions_handler(action_name);
}
void Application::Impl::actions_handler(Glib::ustring const& action_name)
{
bool changed = false;
if (action_name == "open-torrent-from-url")
{
auto w = std::shared_ptr<TorrentUrlChooserDialog>(TorrentUrlChooserDialog::create(*wind_, core_));
w->signal_hide().connect([w]() mutable { w.reset(); });
w->show();
}
else if (action_name == "open-torrent")
{
auto w = std::shared_ptr<TorrentFileChooserDialog>(TorrentFileChooserDialog::create(*wind_, core_));
w->signal_hide().connect([w]() mutable { w.reset(); });
w->show();
}
else if (action_name == "show-stats")
{
auto dialog = std::shared_ptr<StatsDialog>(StatsDialog::create(*wind_, core_));
dialog->signal_hide().connect([dialog]() mutable { dialog.reset(); });
dialog->show();
}
else if (action_name == "donate")
{
gtr_open_uri("https://transmissionbt.com/donate/");
}
else if (action_name == "pause-all-torrents")
{
pause_all_torrents();
}
else if (action_name == "start-all-torrents")
{
start_all_torrents();
}
else if (action_name == "copy-magnet-link-to-clipboard")
{
tr_torrent* tor = get_first_selected_torrent();
if (tor != nullptr)
{
copy_magnet_link_to_clipboard(tor);
}
}
else if (action_name == "relocate-torrent")
{
auto const ids = get_selected_torrent_ids();
if (!ids.empty())
{
auto w = std::shared_ptr<RelocateDialog>(RelocateDialog::create(*wind_, core_, ids));
w->signal_hide().connect([w]() mutable { w.reset(); });
w->show();
}
}
else if (
action_name == "torrent-start" || action_name == "torrent-start-now" || action_name == "torrent-stop" ||
action_name == "torrent-reannounce" || action_name == "torrent-verify" || action_name == "queue-move-top" ||
action_name == "queue-move-up" || action_name == "queue-move-down" || action_name == "queue-move-bottom")
{
changed = call_rpc_for_selected_torrents(action_name);
}
else if (action_name == "open-torrent-folder")
{
sel_->selected_foreach([this](auto const& /*path*/, auto const& iter)
{ core_->open_folder(iter->get_value(torrent_cols.torrent_id)); });
}
else if (action_name == "show-torrent-properties")
{
show_details_dialog_for_selected_torrents();
}
else if (action_name == "new-torrent")
{
auto w = std::shared_ptr<MakeDialog>(MakeDialog::create(*wind_, core_));
w->signal_hide().connect([w]() mutable { w.reset(); });
w->show();
}
else if (action_name == "remove-torrent")
{
remove_selected(false);
}
else if (action_name == "delete-torrent")
{
remove_selected(true);
}
else if (action_name == "quit")
{
on_app_exit();
}
else if (action_name == "select-all")
{
sel_->select_all();
}
else if (action_name == "deselect-all")
{
sel_->unselect_all();
}
else if (action_name == "edit-preferences")
{
if (prefs_ == nullptr)
{
prefs_ = PrefsDialog::create(*wind_, core_);
prefs_->signal_hide().connect([this]() { prefs_.reset(); });
}
gtr_window_present(prefs_);
}
else if (action_name == "toggle-message-log")
{
if (msgwin_ == nullptr)
{
msgwin_ = MessageLogWindow::create(*wind_, core_);
msgwin_->signal_hide().connect([this]() { msgwin_.reset(); });
msgwin_->show();
}
else
{
msgwin_->hide();
}
}
else if (action_name == "show-about-dialog")
{
show_about_dialog();
}
else if (action_name == "help")
{
gtr_open_uri(gtr_get_help_uri());
}
else if (action_name == "toggle-main-window")
{
toggleMainWindow();
}
else if (action_name == "present-main-window")
{
presentMainWindow();
}
else
{
g_error("Unhandled action: %s", action_name.c_str());
}
if (changed)
{
update_model_soon();
}
}
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