transmission/gtk/PathButton.cc

267 lines
6.4 KiB
C++

// This file Copyright © 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 <vector>
#include <glibmm.h>
#include <glibmm/i18n.h>
#include "PathButton.h"
class PathButton::Impl
{
public:
Impl(PathButton& widget);
TR_DISABLE_COPY_MOVE(Impl)
#if GTKMM_CHECK_VERSION(4, 0, 0)
std::string const& get_filename() const;
void set_filename(std::string const& value);
void set_shortcut_folders(std::list<std::string> const& value);
void add_filter(Glib::RefPtr<Gtk::FileFilter> const& value);
Glib::Property<Gtk::FileChooser::Action>& property_action();
Glib::Property<Glib::ustring>& property_title();
sigc::signal<void()>& signal_selection_changed();
#endif
private:
#if GTKMM_CHECK_VERSION(4, 0, 0)
void show_dialog();
void update();
void update_mode();
#endif
private:
PathButton& widget_;
#if GTKMM_CHECK_VERSION(4, 0, 0)
Glib::Property<Gtk::FileChooser::Action> action_;
Glib::Property<Glib::ustring> title_;
sigc::signal<void()> selection_changed_;
Gtk::Image* const image_ = nullptr;
Gtk::Label* const label_ = nullptr;
Gtk::Image* const mode_ = nullptr;
std::string current_file_;
std::list<std::string> shortcut_folders_;
std::vector<Glib::RefPtr<Gtk::FileFilter>> filters_;
#endif
};
PathButton::Impl::Impl(PathButton& widget)
: widget_(widget)
#if GTKMM_CHECK_VERSION(4, 0, 0)
, action_(widget, "action", Gtk::FileChooser::Action::OPEN)
, title_(widget, "title", {})
, image_(Gtk::make_managed<Gtk::Image>())
, label_(Gtk::make_managed<Gtk::Label>())
, mode_(Gtk::make_managed<Gtk::Image>())
#endif
{
#if GTKMM_CHECK_VERSION(4, 0, 0)
action_.get_proxy().signal_changed().connect([this]() { update_mode(); });
label_->set_ellipsize(Pango::EllipsizeMode::END);
label_->set_hexpand(true);
label_->set_halign(Gtk::Align::START);
auto* const layout = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::HORIZONTAL, 5);
layout->append(*image_);
layout->append(*label_);
layout->append(*Gtk::make_managed<Gtk::Separator>(Gtk::Orientation::VERTICAL));
layout->append(*mode_);
widget_.set_child(*layout);
widget_.signal_clicked().connect(sigc::mem_fun(*this, &Impl::show_dialog));
update();
update_mode();
#endif
}
#if GTKMM_CHECK_VERSION(4, 0, 0)
std::string const& PathButton::Impl::get_filename() const
{
return current_file_;
}
void PathButton::Impl::set_filename(std::string const& value)
{
current_file_ = value;
update();
selection_changed_.emit();
}
void PathButton::Impl::set_shortcut_folders(std::list<std::string> const& value)
{
shortcut_folders_ = value;
}
void PathButton::Impl::add_filter(Glib::RefPtr<Gtk::FileFilter> const& value)
{
filters_.push_back(value);
}
Glib::Property<Gtk::FileChooser::Action>& PathButton::Impl::property_action()
{
return action_;
}
Glib::Property<Glib::ustring>& PathButton::Impl::property_title()
{
return title_;
}
sigc::signal<void()>& PathButton::Impl::signal_selection_changed()
{
return selection_changed_;
}
void PathButton::Impl::show_dialog()
{
auto const title = title_.get_value();
auto dialog = std::make_shared<Gtk::FileChooserDialog>(!title.empty() ? title : _("Select a File"), action_.get_value());
dialog->set_transient_for(*static_cast<Gtk::Window*>(widget_.get_root()));
dialog->add_button(_("_Cancel"), Gtk::ResponseType::CANCEL);
dialog->add_button(_("_Open"), Gtk::ResponseType::ACCEPT);
dialog->set_modal(true);
if (!current_file_.empty())
{
dialog->set_file(Gio::File::create_for_path(current_file_));
}
for (auto const& folder : shortcut_folders_)
{
dialog->remove_shortcut_folder(Gio::File::create_for_path(folder));
dialog->add_shortcut_folder(Gio::File::create_for_path(folder));
}
for (auto const& filter : filters_)
{
dialog->add_filter(filter);
}
dialog->signal_response().connect(
[this, dialog](int response) mutable
{
if (response == Gtk::ResponseType::ACCEPT)
{
set_filename(dialog->get_file()->get_path());
selection_changed_.emit();
}
dialog.reset();
});
dialog->show();
}
void PathButton::Impl::update()
{
if (!current_file_.empty())
{
auto const file = Gio::File::create_for_path(current_file_);
try
{
image_->set(file->query_info()->get_icon());
}
catch (Glib::Error const&)
{
image_->set_from_icon_name("image-missing");
}
label_->set_text(file->get_basename());
}
else
{
image_->set_from_icon_name("image-missing");
label_->set_text(_("(None)"));
}
widget_.set_tooltip_text(current_file_);
}
void PathButton::Impl::update_mode()
{
mode_->set_from_icon_name(
action_.get_value() == Gtk::FileChooser::Action::SELECT_FOLDER ? "folder-open-symbolic" : "document-open-symbolic");
}
#endif
PathButton::PathButton()
: Glib::ObjectBase(typeid(PathButton))
, impl_(std::make_unique<Impl>(*this))
{
}
PathButton::PathButton(BaseObjectType* cast_item, Glib::RefPtr<Gtk::Builder> const& /*builder*/)
: Glib::ObjectBase(typeid(PathButton))
, BaseWidgetType(cast_item)
, impl_(std::make_unique<Impl>(*this))
{
}
PathButton::~PathButton() = default;
void PathButton::set_shortcut_folders(std::list<std::string> const& value)
{
#if GTKMM_CHECK_VERSION(4, 0, 0)
impl_->set_shortcut_folders(value);
#else
for (auto const& folder : value)
{
remove_shortcut_folder(folder);
add_shortcut_folder(folder);
}
#endif
}
#if GTKMM_CHECK_VERSION(4, 0, 0)
std::string PathButton::get_filename() const
{
return impl_->get_filename();
}
void PathButton::set_filename(std::string const& value)
{
impl_->set_filename(value);
}
void PathButton::add_filter(Glib::RefPtr<Gtk::FileFilter> const& value)
{
impl_->add_filter(value);
}
Glib::PropertyProxy<Gtk::FileChooser::Action> PathButton::property_action()
{
return impl_->property_action().get_proxy();
}
Glib::PropertyProxy<Glib::ustring> PathButton::property_title()
{
return impl_->property_title().get_proxy();
}
sigc::signal<void()>& PathButton::signal_selection_changed()
{
return impl_->signal_selection_changed();
}
#endif