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transmission/gtk/Utils.cc

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// This file Copyright © 2008-2022 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 <array>
#include <ctype.h> /* isxdigit() */
#include <errno.h>
#include <functional>
#include <limits.h> /* INT_MAX */
#include <giomm.h> /* g_file_trash() */
#include <glibmm/i18n.h>
#include <fmt/core.h>
#include <libtransmission/transmission.h> /* TR_RATIO_NA, TR_RATIO_INF */
#include <libtransmission/error.h>
#include <libtransmission/torrent-metainfo.h>
#include <libtransmission/utils.h> /* tr_strratio() */
#include <libtransmission/version.h> /* SHORT_VERSION_STRING */
#include <libtransmission/web-utils.h>
#include "HigWorkarea.h"
#include "Prefs.h"
#include "PrefsDialog.h"
#include "Session.h"
#include "Utils.h"
using namespace std::literals;
/***
**** UNITS
***/
int const mem_K = 1024;
char const* const mem_K_str = N_("KiB");
char const* const mem_M_str = N_("MiB");
char const* const mem_G_str = N_("GiB");
char const* const mem_T_str = N_("TiB");
int const disk_K = 1000;
char const* const disk_K_str = N_("kB");
char const* const disk_M_str = N_("MB");
char const* const disk_G_str = N_("GB");
char const* const disk_T_str = N_("TB");
int const speed_K = 1000;
char const* const speed_K_str = N_("kB/s");
char const* const speed_M_str = N_("MB/s");
char const* const speed_G_str = N_("GB/s");
char const* const speed_T_str = N_("TB/s");
/***
****
***/
Glib::ustring gtr_get_unicode_string(GtrUnicode uni)
{
switch (uni)
{
case GtrUnicode::Up:
return "\xE2\x96\xB4";
case GtrUnicode::Down:
return "\xE2\x96\xBE";
case GtrUnicode::Inf:
return "\xE2\x88\x9E";
case GtrUnicode::Bullet:
return "\xE2\x88\x99";
default:
return "err";
}
}
Glib::ustring tr_strlratio(double ratio)
{
return tr_strratio(ratio, gtr_get_unicode_string(GtrUnicode::Inf).c_str());
}
Glib::ustring tr_strlsize(guint64 bytes)
{
return bytes == 0 ? Q_("None") : tr_formatter_size_B(bytes);
}
namespace
{
std::string tr_format_future_time(time_t seconds)
{
if (auto const days_from_now = seconds / 86400U; days_from_now > 0U)
{
return fmt::format(
ngettext("{days_from_now:L} day from now", "{days_from_now:L} days from now", days_from_now),
fmt::arg("days_from_now", days_from_now));
}
if (auto const hours_from_now = (seconds % 86400U) / 3600U; hours_from_now > 0U)
{
return fmt::format(
ngettext("{hours_from_now:L} hour from now", "{hours_from_now:L} hours from now", hours_from_now),
fmt::arg("hours_from_now", hours_from_now));
}
if (auto const minutes_from_now = (seconds % 3600U) / 60U; minutes_from_now > 0U)
{
return fmt::format(
ngettext("{minutes_from_now:L} minute from now", "{minutes_from_now:L} minutes from now", minutes_from_now),
fmt::arg("minutes_from_now", minutes_from_now));
}
if (auto const seconds_from_now = seconds % 60U; seconds_from_now > 0U)
{
return fmt::format(
ngettext("{seconds_from_now:L} second from now", "{seconds_from_now:L} seconds from now", seconds_from_now),
fmt::arg("seconds_from_now", seconds_from_now));
}
return _("now");
}
std::string tr_format_past_time(time_t seconds)
{
if (auto const days_ago = seconds / 86400U; days_ago > 0U)
{
return fmt::format(ngettext("{days_ago:L} day ago", "{days_ago:L} days ago", days_ago), fmt::arg("days_ago", days_ago));
}
if (auto const hours_ago = (seconds % 86400U) / 3600U; hours_ago > 0U)
{
return fmt::format(
ngettext("{hours_ago:L} hour ago", "{hours_ago:L} hours ago", hours_ago),
fmt::arg("hours_ago", hours_ago));
}
if (auto const minutes_ago = (seconds % 3600U) / 60U; minutes_ago > 0U)
{
return fmt::format(
ngettext("{minutes_ago:L} minute ago", "{minutes_ago:L} minutes ago", minutes_ago),
fmt::arg("minutes_ago", minutes_ago));
}
if (auto const seconds_ago = seconds % 60U; seconds_ago > 0U)
{
return fmt::format(
ngettext("{seconds_ago:L} second ago", "{seconds_ago:L} seconds ago", seconds_ago),
fmt::arg("seconds_ago", seconds_ago));
}
return _("now");
}
} // namespace
std::string tr_format_time(time_t secs)
{
if (auto const days = secs / 86400U; days > 0U)
{
return fmt::format(ngettext("{days:L} day", "{days:L} days", days), fmt::arg("days", days));
}
if (auto const hours = (secs % 86400U) / 3600U; hours > 0U)
{
return fmt::format(ngettext("{hours:L} hour", "{hours:L} hours", hours), fmt::arg("hours", hours));
}
if (auto const minutes = (secs % 3600U) / 60U; minutes > 0U)
{
return fmt::format(ngettext("{minutes:L} minute", "{minutes:L} minutes", minutes), fmt::arg("minutes", minutes));
}
if (auto const seconds = secs % 60U; seconds > 0U)
{
return fmt::format(ngettext("{seconds:L} second", "{seconds:L} seconds", seconds), fmt::arg("seconds", seconds));
}
return _("now");
}
std::string tr_format_time_left(time_t seconds)
{
if (auto const days_left = seconds / 86400U; days_left > 0U)
{
return fmt::format(
ngettext("{days_left:L} day left", "{days_left:L} days left", days_left),
fmt::arg("days_left", days_left));
}
if (auto const hours_left = (seconds % 86400U) / 3600U; hours_left > 0U)
{
return fmt::format(
ngettext("{hours_left:L} hour left", "{hours_left:L} hours left", hours_left),
fmt::arg("hours_left", hours_left));
}
if (auto const minutes_left = (seconds % 3600U) / 60U; minutes_left > 0U)
{
return fmt::format(
ngettext("{minutes_left:L} minute left", "{minutes_left:L} minutes left", minutes_left),
fmt::arg("minutes_left", minutes_left));
}
if (auto const seconds_left = seconds % 60U; seconds_left > 0U)
{
return fmt::format(
ngettext("{seconds_left:L} second left", "{seconds_left:L} seconds left", seconds_left),
fmt::arg("seconds_left", seconds_left));
}
return _("now");
}
std::string tr_format_time_relative(time_t src, time_t dst)
{
return src < dst ? tr_format_future_time(dst - src) : tr_format_past_time(src - dst);
}
namespace
{
Gtk::Window* getWindow(Gtk::Widget* w)
{
if (w == nullptr)
{
return nullptr;
}
if (auto* const window = dynamic_cast<Gtk::Window*>(w); window != nullptr)
{
return window;
}
return static_cast<Gtk::Window*>(w->get_ancestor(Gtk::Window::get_type()));
}
} // namespace
void gtr_add_torrent_error_dialog(Gtk::Widget& child, tr_torrent* duplicate_torrent, std::string const& filename)
{
Glib::ustring secondary;
auto* win = getWindow(&child);
if (duplicate_torrent != nullptr)
{
secondary = fmt::format(
_("The torrent file '{path}' is already in use by '{torrent_name}'."),
fmt::arg("path", filename),
fmt::arg("torrent_name", tr_torrentName(duplicate_torrent)));
}
else
{
secondary = fmt::format(_("Couldn't add torrent file '{path}'"), fmt::arg("path", filename));
}
auto w = std::make_shared<Gtk::MessageDialog>(
*win,
_("Couldn't open torrent"),
false,
Gtk::MESSAGE_ERROR,
Gtk::BUTTONS_CLOSE);
w->set_secondary_text(secondary);
w->signal_response().connect([w](int /*response*/) mutable { w.reset(); });
w->show_all();
}
/* pop up the context menu if a user right-clicks.
if the row they right-click on isn't selected, select it. */
bool on_tree_view_button_pressed(
Gtk::TreeView* view,
GdkEventButton* event,
std::function<void(GdkEventButton*)> const& callback)
{
if (event->type == GDK_BUTTON_PRESS && event->button == 3)
{
Gtk::TreeModel::Path path;
auto const selection = view->get_selection();
if (view->get_path_at_pos((int)event->x, (int)event->y, path) && !selection->is_selected(path))
{
selection->unselect_all();
selection->select(path);
}
if (callback)
{
callback(event);
}
return true;
}
return false;
}
/* if the user clicked in an empty area of the list,
* clear all the selections. */
bool on_tree_view_button_released(Gtk::TreeView* view, GdkEventButton* event)
{
if (Gtk::TreeModel::Path path; !view->get_path_at_pos((int)event->x, (int)event->y, path))
{
view->get_selection()->unselect_all();
}
return false;
}
bool gtr_file_trash_or_remove(std::string const& filename, tr_error** error)
{
bool trashed = false;
bool result = true;
g_return_val_if_fail(!filename.empty(), false);
auto const file = Gio::File::create_for_path(filename);
if (gtr_pref_flag_get(TR_KEY_trash_can_enabled))
{
try
{
trashed = file->trash();
}
catch (Glib::Error const& e)
{
g_message("Unable to trash file \"%s\": %s", filename.c_str(), e.what().c_str());
tr_error_set(error, e.code(), e.what().raw());
}
}
if (!trashed)
{
try
{
file->remove();
}
catch (Glib::Error const& e)
{
g_message("Unable to delete file \"%s\": %s", filename.c_str(), e.what().c_str());
tr_error_clear(error);
tr_error_set(error, e.code(), e.what().raw());
result = false;
}
}
return result;
}
Glib::ustring gtr_get_help_uri()
{
static auto const uri = gtr_sprintf("https://transmissionbt.com/help/gtk/%d.%dx", MAJOR_VERSION, MINOR_VERSION / 10);
return uri;
}
void gtr_open_file(std::string const& path)
{
gtr_open_uri(Gio::File::create_for_path(path)->get_uri());
}
void gtr_open_uri(Glib::ustring const& uri)
{
if (!uri.empty())
{
bool opened = false;
if (!opened)
{
try
{
opened = Gio::AppInfo::launch_default_for_uri(uri);
}
catch (Glib::Error const&)
{
}
}
if (!opened)
{
try
{
Glib::spawn_async({}, std::vector<std::string>{ "xdg-open", uri }, Glib::SPAWN_SEARCH_PATH);
opened = true;
}
catch (Glib::SpawnError const&)
{
}
}
if (!opened)
{
g_message("Unable to open \"%s\"", uri.c_str());
}
}
}
/***
****
***/
namespace
{
class EnumComboModelColumns : public Gtk::TreeModelColumnRecord
{
public:
EnumComboModelColumns()
{
add(value);
add(label);
}
Gtk::TreeModelColumn<int> value;
Gtk::TreeModelColumn<Glib::ustring> label;
};
EnumComboModelColumns const enum_combo_cols;
} // namespace
void gtr_combo_box_set_active_enum(Gtk::ComboBox& combo_box, int value)
{
auto const& column = enum_combo_cols.value;
/* do the value and current value match? */
if (auto const iter = combo_box.get_active(); iter)
{
if (iter->get_value(column) == value)
{
return;
}
}
/* find the one to select */
for (auto const& row : combo_box.get_model()->children())
{
if (row.get_value(column) == value)
{
combo_box.set_active(row);
return;
}
}
}
Gtk::ComboBox* gtr_combo_box_new_enum(std::vector<std::pair<Glib::ustring, int>> const& items)
{
auto store = Gtk::ListStore::create(enum_combo_cols);
for (auto const& [label, value] : items)
{
auto const iter = store->append();
(*iter)[enum_combo_cols.value] = value;
(*iter)[enum_combo_cols.label] = label;
}
auto w = Gtk::make_managed<Gtk::ComboBox>(static_cast<Glib::RefPtr<Gtk::TreeModel> const&>(store));
auto* r = Gtk::make_managed<Gtk::CellRendererText>();
w->pack_start(*r, true);
w->add_attribute(r->property_text(), enum_combo_cols.label);
return w;
}
int gtr_combo_box_get_active_enum(Gtk::ComboBox const& combo_box)
{
int value = 0;
if (auto const iter = combo_box.get_active(); iter)
{
iter->get_value(0, value);
}
return value;
}
Gtk::ComboBox* gtr_priority_combo_new()
{
return gtr_combo_box_new_enum({
{ _("High"), TR_PRI_HIGH },
{ _("Normal"), TR_PRI_NORMAL },
{ _("Low"), TR_PRI_LOW },
});
}
/***
****
***/
auto const ChildHiddenKey = Glib::Quark("gtr-child-hidden");
void gtr_widget_set_visible(Gtk::Widget& w, bool b)
{
/* toggle the transient children, too */
if (auto const* const window = dynamic_cast<Gtk::Window*>(&w); window != nullptr)
{
for (auto* const l : Gtk::Window::list_toplevels())
{
if (l->get_transient_for() != window)
{
continue;
}
if (l->get_visible() == b)
{
continue;
}
if (b && l->get_data(ChildHiddenKey) != nullptr)
{
l->steal_data(ChildHiddenKey);
gtr_widget_set_visible(*l, true);
}
else if (!b)
{
l->set_data(ChildHiddenKey, GINT_TO_POINTER(1));
gtr_widget_set_visible(*l, false);
}
}
}
w.set_visible(b);
}
void gtr_dialog_set_content(Gtk::Dialog& dialog, Gtk::Widget& content)
{
auto* vbox = dialog.get_content_area();
vbox->pack_start(content, true, true, 0);
content.show_all();
}
/***
****
***/
void gtr_unrecognized_url_dialog(Gtk::Widget& parent, Glib::ustring const& url)
{
auto* window = getWindow(&parent);
Glib::ustring gstr;
auto w = std::make_shared<Gtk::MessageDialog>(
*window,
fmt::format(_("Unsupported URL: '{url}'"), fmt::arg("url", url)),
false /*use markup*/,
Gtk::MESSAGE_ERROR,
Gtk::BUTTONS_CLOSE,
true /*modal*/);
gstr += fmt::format(_("Transmission doesn't know how to use '{url}'"), fmt::arg("url", url));
if (tr_magnet_metainfo{}.parseMagnet(url.raw()))
{
gstr += "\n \n";
gstr += _("This magnet link appears to be intended for something other than BitTorrent.");
}
w->set_secondary_text(gstr);
w->signal_response().connect([w](int /*response*/) mutable { w.reset(); });
w->show();
}
/***
****
***/
void gtr_paste_clipboard_url_into_entry(Gtk::Entry& entry)
{
for (auto const& str : { Gtk::Clipboard::get(GDK_SELECTION_PRIMARY)->wait_for_text(),
Gtk::Clipboard::get(GDK_SELECTION_CLIPBOARD)->wait_for_text() })
{
auto const sv = tr_strvStrip(str.raw());
if (!sv.empty() && (tr_urlIsValid(sv) || tr_magnet_metainfo{}.parseMagnet(sv)))
{
entry.set_text(str);
return;
}
}
}
/***
****
***/
void gtr_label_set_text(Gtk::Label& lb, Glib::ustring const& newstr)
{
if (lb.get_text() != newstr)
{
lb.set_text(newstr);
}
}
std::string gtr_get_full_resource_path(std::string const& rel_path)
{
static auto const BasePath = "/com/transmissionbt/transmission/"s;
return BasePath + rel_path;
}
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