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transmission/gtk/MakeDialog.cc

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// This file Copyright © Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include "MakeDialog.h"
#include "GtkCompat.h"
#include "PathButton.h"
#include "PrefsDialog.h"
#include "Session.h"
#include "Utils.h"
#include <libtransmission/transmission.h>
#include <libtransmission/error.h>
#include <libtransmission/makemeta.h>
#include <libtransmission/values.h>
#include <giomm/file.h>
#include <glibmm/convert.h>
#include <glibmm/fileutils.h>
#include <glibmm/i18n.h>
#include <glibmm/main.h>
#include <glibmm/miscutils.h>
#include <glibmm/ustring.h>
#include <glibmm/value.h>
#include <glibmm/vectorutils.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/checkbutton.h>
#include <gtkmm/entry.h>
#include <gtkmm/label.h>
#include <gtkmm/progressbar.h>
#include <gtkmm/scale.h>
#include <gtkmm/textbuffer.h>
#include <gtkmm/textview.h>
#if GTKMM_CHECK_VERSION(4, 0, 0)
#include <gtkmm/droptarget.h>
#else
#include <gdkmm/dragcontext.h>
#include <gtkmm/selectiondata.h>
#endif
#include <fmt/core.h>
#include <chrono>
#include <future>
#include <memory>
#include <string>
#include <string_view>
#include <utility>
using namespace std::literals;
using namespace libtransmission::Values;
#if GTKMM_CHECK_VERSION(4, 0, 0)
using FileListValue = Glib::Value<GSList*>;
using FileListHandler = Glib::SListHandler<Glib::RefPtr<Gio::File>>;
#endif
namespace
{
class MakeProgressDialog : public Gtk::Dialog
{
public:
MakeProgressDialog(
BaseObjectType* cast_item,
Glib::RefPtr<Gtk::Builder> const& builder,
tr_metainfo_builder& metainfo_builder,
std::future<tr_error> future,
std::string_view target,
Glib::RefPtr<Session> const& core);
~MakeProgressDialog() override;
TR_DISABLE_COPY_MOVE(MakeProgressDialog)
static std::unique_ptr<MakeProgressDialog> create(
std::string_view target,
tr_metainfo_builder& metainfo_builder,
std::future<tr_error> future,
Glib::RefPtr<Session> const& core);
[[nodiscard]] bool success() const
{
return success_;
}
private:
bool onProgressDialogRefresh();
void onProgressDialogResponse(int response);
void addTorrent();
private:
tr_metainfo_builder& builder_;
std::future<tr_error> future_;
std::string const target_;
Glib::RefPtr<Session> const core_;
bool success_ = false;
sigc::connection progress_tag_;
Gtk::Label* progress_label_ = nullptr;
Gtk::ProgressBar* progress_bar_ = nullptr;
};
} // namespace
class MakeDialog::Impl
{
public:
Impl(MakeDialog& dialog, Glib::RefPtr<Gtk::Builder> const& builder, Glib::RefPtr<Session> const& core);
~Impl() = default;
TR_DISABLE_COPY_MOVE(Impl)
private:
void onSourceToggled(Gtk::CheckButton* tb, PathButton* chooser);
void onChooserChosen(PathButton* chooser);
void onResponse(int response);
#if GTKMM_CHECK_VERSION(4, 0, 0)
bool on_drag_data_received(Glib::ValueBase const& value, double x, double y);
#else
void on_drag_data_received(
Glib::RefPtr<Gdk::DragContext> const& drag_context,
int x,
int y,
Gtk::SelectionData const& selection_data,
guint info,
guint time_);
#endif
bool set_dropped_source_path(std::string const& filename);
void updatePiecesLabel();
void setFilename(std::string_view filename);
void configurePieceSizeScale(uint32_t piece_size);
void onPieceSizeUpdated();
private:
MakeDialog& dialog_;
Glib::RefPtr<Session> const core_;
Gtk::CheckButton* file_radio_ = nullptr;
PathButton* file_chooser_ = nullptr;
Gtk::CheckButton* folder_radio_ = nullptr;
PathButton* folder_chooser_ = nullptr;
Gtk::Label* pieces_lb_ = nullptr;
Gtk::Scale* piece_size_scale_ = nullptr;
PathButton* destination_chooser_ = nullptr;
Gtk::CheckButton* comment_check_ = nullptr;
Gtk::Entry* comment_entry_ = nullptr;
Gtk::CheckButton* private_check_ = nullptr;
Gtk::CheckButton* source_check_ = nullptr;
Gtk::Entry* source_entry_ = nullptr;
std::unique_ptr<MakeProgressDialog> progress_dialog_;
Glib::RefPtr<Gtk::TextBuffer> announce_text_buffer_;
std::optional<tr_metainfo_builder> builder_;
};
bool MakeProgressDialog::onProgressDialogRefresh()
{
auto const is_done = !future_.valid() || future_.wait_for(std::chrono::seconds(0)) == std::future_status::ready;
if (is_done)
{
progress_tag_.disconnect();
}
// progress value
auto percent_done = 1.0;
auto piece_index = tr_piece_index_t{};
if (!is_done)
{
auto const [current, total] = builder_.checksum_status();
percent_done = static_cast<double>(current) / total;
piece_index = current;
}
// progress text
auto str = std::string{};
auto success = false;
auto const base = Glib::path_get_basename(builder_.top());
if (!is_done)
{
str = fmt::format(_("Creating '{path}'"), fmt::arg("path", base));
}
else
{
auto error = future_.get();
if (!error)
{
builder_.save(target_, &error);
}
if (!error)
{
str = fmt::format(_("Created '{path}'"), fmt::arg("path", base));
success = true;
}
else
{
str = fmt::format(
_("Couldn't create '{path}': {error} ({error_code})"),
fmt::arg("path", base),
fmt::arg("error", error.message()),
fmt::arg("error_code", error.code()));
}
}
gtr_label_set_text(*progress_label_, str);
/* progress bar */
if (piece_index == 0)
{
str.clear();
}
else
{
/* how much data we've scanned through to generate checksums */
str = fmt::format(
_("Scanned {file_size}"),
fmt::arg("file_size", tr_strlsize(static_cast<uint64_t>(piece_index) * builder_.piece_size())));
}
progress_bar_->set_fraction(percent_done);
progress_bar_->set_text(str);
/* buttons */
set_response_sensitive(TR_GTK_RESPONSE_TYPE(CANCEL), !is_done);
set_response_sensitive(TR_GTK_RESPONSE_TYPE(CLOSE), is_done);
set_response_sensitive(TR_GTK_RESPONSE_TYPE(ACCEPT), is_done && success);
success_ = success;
return true;
}
MakeProgressDialog::~MakeProgressDialog()
{
progress_tag_.disconnect();
}
void MakeProgressDialog::addTorrent()
{
tr_ctor* ctor = tr_ctorNew(core_->get_session());
tr_ctorSetMetainfoFromFile(ctor, target_.c_str(), nullptr);
tr_ctorSetDownloadDir(ctor, TR_FORCE, Glib::path_get_dirname(builder_.top()).c_str());
core_->add_ctor(ctor);
}
void MakeProgressDialog::onProgressDialogResponse(int response)
{
switch (response)
{
case TR_GTK_RESPONSE_TYPE(CANCEL):
case TR_GTK_RESPONSE_TYPE(DELETE_EVENT):
builder_.cancel_checksums();
close();
break;
case TR_GTK_RESPONSE_TYPE(ACCEPT):
addTorrent();
[[fallthrough]];
case TR_GTK_RESPONSE_TYPE(CLOSE):
close();
break;
default:
g_assert(0 && "unhandled response");
}
}
MakeProgressDialog::MakeProgressDialog(
BaseObjectType* cast_item,
Glib::RefPtr<Gtk::Builder> const& builder,
tr_metainfo_builder& metainfo_builder,
std::future<tr_error> future,
std::string_view target,
Glib::RefPtr<Session> const& core)
: Gtk::Dialog(cast_item)
, builder_(metainfo_builder)
, future_{ std::move(future) }
, target_(target)
, core_(core)
, progress_label_(gtr_get_widget<Gtk::Label>(builder, "progress_label"))
, progress_bar_(gtr_get_widget<Gtk::ProgressBar>(builder, "progress_bar"))
{
signal_response().connect(sigc::mem_fun(*this, &MakeProgressDialog::onProgressDialogResponse));
progress_tag_ = Glib::signal_timeout().connect_seconds(
sigc::mem_fun(*this, &MakeProgressDialog::onProgressDialogRefresh),
SECONDARY_WINDOW_REFRESH_INTERVAL_SECONDS);
onProgressDialogRefresh();
}
std::unique_ptr<MakeProgressDialog> MakeProgressDialog::create(
std::string_view target,
tr_metainfo_builder& metainfo_builder,
std::future<tr_error> future,
Glib::RefPtr<Session> const& core)
{
auto const builder = Gtk::Builder::create_from_resource(gtr_get_full_resource_path("MakeProgressDialog.ui"));
return std::unique_ptr<MakeProgressDialog>(gtr_get_widget_derived<MakeProgressDialog>(
builder,
"MakeProgressDialog",
metainfo_builder,
std::move(future),
target,
core));
}
void MakeDialog::Impl::onResponse(int response)
{
if (response == TR_GTK_RESPONSE_TYPE(CLOSE) || response == TR_GTK_RESPONSE_TYPE(DELETE_EVENT))
{
dialog_.close();
return;
}
if (response != TR_GTK_RESPONSE_TYPE(ACCEPT) || !builder_.has_value())
{
return;
}
// destination file
auto const dir = destination_chooser_->get_filename();
auto const base = Glib::path_get_basename(builder_->top());
auto const target = fmt::format("{:s}/{:s}.torrent", dir, base);
// build the announce list
auto trackers = tr_announce_list{};
trackers.parse(announce_text_buffer_->get_text(false).raw());
builder_->set_announce_list(std::move(trackers));
// comment
if (comment_check_->get_active())
{
builder_->set_comment(comment_entry_->get_text().raw());
}
// source
if (source_check_->get_active())
{
builder_->set_source(source_entry_->get_text().raw());
}
builder_->set_private(private_check_->get_active());
// build the .torrent
progress_dialog_ = MakeProgressDialog::create(target, *builder_, builder_->make_checksums(), core_);
progress_dialog_->set_transient_for(dialog_);
gtr_window_on_close(
*progress_dialog_,
[this]()
{
auto const success = progress_dialog_->success();
progress_dialog_.reset();
if (success)
{
dialog_.close();
}
});
progress_dialog_->show();
}
/***
****
***/
void MakeDialog::Impl::updatePiecesLabel()
{
auto gstr = Glib::ustring();
if (!builder_.has_value() || std::empty(builder_->top()))
{
gstr += _("No source selected");
piece_size_scale_->set_visible(false);
}
else
{
gstr += fmt::format(
ngettext("{total_size} in {file_count:L} file", "{total_size} in {file_count:L} files", builder_->file_count()),
fmt::arg("total_size", tr_strlsize(builder_->total_size())),
fmt::arg("file_count", builder_->file_count()));
gstr += ' ';
gstr += fmt::format(
ngettext(
"({piece_count} BitTorrent piece @ {piece_size})",
"({piece_count} BitTorrent pieces @ {piece_size})",
builder_->piece_count()),
fmt::arg("piece_count", builder_->piece_count()),
fmt::arg("piece_size", Memory{ builder_->piece_size(), Memory::Units::Bytes }.to_string()));
}
pieces_lb_->set_text(gstr);
}
void MakeDialog::Impl::configurePieceSizeScale(uint32_t piece_size)
{
// the below lower & upper bounds would allow piece size selection between approx 1KiB - 64MiB
auto adjustment = Gtk::Adjustment::create(log2(piece_size), 10, 26, 1.0, 1.0);
piece_size_scale_->set_adjustment(adjustment);
piece_size_scale_->set_visible(true);
}
void MakeDialog::Impl::setFilename(std::string_view filename)
{
builder_.reset();
if (!filename.empty())
{
builder_.emplace(filename);
configurePieceSizeScale(builder_->piece_size());
}
updatePiecesLabel();
}
void MakeDialog::Impl::onChooserChosen(PathButton* chooser)
{
setFilename(chooser->get_filename());
}
void MakeDialog::Impl::onSourceToggled(Gtk::CheckButton* tb, PathButton* chooser)
{
if (tb->get_active())
{
onChooserChosen(chooser);
}
}
bool MakeDialog::Impl::set_dropped_source_path(std::string const& filename)
{
if (Glib::file_test(filename, TR_GLIB_FILE_TEST(IS_DIR)))
{
/* a directory was dragged onto the dialog... */
folder_radio_->set_active(true);
folder_chooser_->set_filename(filename);
return true;
}
if (Glib::file_test(filename, TR_GLIB_FILE_TEST(IS_REGULAR)))
{
/* a file was dragged on to the dialog... */
file_radio_->set_active(true);
file_chooser_->set_filename(filename);
return true;
}
return false;
}
#if GTKMM_CHECK_VERSION(4, 0, 0)
bool MakeDialog::Impl::on_drag_data_received(Glib::ValueBase const& value, double /*x*/, double /*y*/)
{
if (G_VALUE_HOLDS(value.gobj(), GDK_TYPE_FILE_LIST))
{
FileListValue files_value;
files_value.init(value.gobj());
if (auto const files = FileListHandler::slist_to_vector(files_value.get(), Glib::OwnershipType::OWNERSHIP_NONE);
!files.empty())
{
return set_dropped_source_path(files.front()->get_path());
}
}
return false;
}
#else
void MakeDialog::Impl::on_drag_data_received(
Glib::RefPtr<Gdk::DragContext> const& drag_context,
int /*x*/,
int /*y*/,
Gtk::SelectionData const& selection_data,
guint /*info*/,
guint time_)
{
bool success = false;
if (auto const uris = selection_data.get_uris(); !uris.empty())
{
success = set_dropped_source_path(Glib::filename_from_uri(uris.front()));
}
drag_context->drag_finish(success, false, time_);
}
#endif
MakeDialog::MakeDialog(
BaseObjectType* cast_item,
Glib::RefPtr<Gtk::Builder> const& builder,
Gtk::Window& parent,
Glib::RefPtr<Session> const& core)
: Gtk::Dialog(cast_item)
, impl_(std::make_unique<Impl>(*this, builder, core))
{
set_transient_for(parent);
}
MakeDialog::~MakeDialog() = default;
std::unique_ptr<MakeDialog> MakeDialog::create(Gtk::Window& parent, Glib::RefPtr<Session> const& core)
{
auto const builder = Gtk::Builder::create_from_resource(gtr_get_full_resource_path("MakeDialog.ui"));
return std::unique_ptr<MakeDialog>(gtr_get_widget_derived<MakeDialog>(builder, "MakeDialog", parent, core));
}
MakeDialog::Impl::Impl(MakeDialog& dialog, Glib::RefPtr<Gtk::Builder> const& builder, Glib::RefPtr<Session> const& core)
: dialog_(dialog)
, core_(core)
, file_radio_(gtr_get_widget<Gtk::CheckButton>(builder, "source_file_radio"))
, file_chooser_(gtr_get_widget_derived<PathButton>(builder, "source_file_button"))
, folder_radio_(gtr_get_widget<Gtk::CheckButton>(builder, "source_folder_radio"))
, folder_chooser_(gtr_get_widget_derived<PathButton>(builder, "source_folder_button"))
, pieces_lb_(gtr_get_widget<Gtk::Label>(builder, "source_size_label"))
, piece_size_scale_(gtr_get_widget<Gtk::Scale>(builder, "piece_size_scale"))
, destination_chooser_(gtr_get_widget_derived<PathButton>(builder, "destination_button"))
, comment_check_(gtr_get_widget<Gtk::CheckButton>(builder, "comment_check"))
, comment_entry_(gtr_get_widget<Gtk::Entry>(builder, "comment_entry"))
, private_check_(gtr_get_widget<Gtk::CheckButton>(builder, "private_check"))
, source_check_(gtr_get_widget<Gtk::CheckButton>(builder, "source_check"))
, source_entry_(gtr_get_widget<Gtk::Entry>(builder, "source_entry"))
, announce_text_buffer_(gtr_get_widget<Gtk::TextView>(builder, "trackers_view")->get_buffer())
{
dialog_.signal_response().connect(sigc::mem_fun(*this, &Impl::onResponse));
destination_chooser_->set_filename(Glib::get_user_special_dir(TR_GLIB_USER_DIRECTORY(DESKTOP)));
folder_radio_->signal_toggled().connect([this]() { onSourceToggled(folder_radio_, folder_chooser_); });
folder_chooser_->signal_selection_changed().connect([this]() { onChooserChosen(folder_chooser_); });
file_radio_->signal_toggled().connect([this]() { onSourceToggled(file_radio_, file_chooser_); });
file_chooser_->signal_selection_changed().connect([this]() { onChooserChosen(file_chooser_); });
pieces_lb_->set_markup(fmt::format("<i>{:s}</i>", _("No source selected")));
piece_size_scale_->set_visible(false);
piece_size_scale_->signal_value_changed().connect([this]() { onPieceSizeUpdated(); });
#if GTKMM_CHECK_VERSION(4, 0, 0)
auto drop_controller = Gtk::DropTarget::create(GDK_TYPE_FILE_LIST, Gdk::DragAction::COPY);
drop_controller->signal_drop().connect(sigc::mem_fun(*this, &Impl::on_drag_data_received), false);
dialog_.add_controller(drop_controller);
#else
dialog_.drag_dest_set(Gtk::DEST_DEFAULT_ALL, Gdk::ACTION_COPY);
dialog_.drag_dest_add_uri_targets();
dialog_.signal_drag_data_received().connect(sigc::mem_fun(*this, &Impl::on_drag_data_received));
#endif
}
void MakeDialog::Impl::onPieceSizeUpdated()
{
if (builder_)
{
builder_->set_piece_size(static_cast<uint32_t>(std::pow(2, piece_size_scale_->get_value())));
updatePiecesLabel();
}
}
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